WO2017103232A1 - Système de chambre de combustion et système de turbine à gaz - Google Patents

Système de chambre de combustion et système de turbine à gaz Download PDF

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Publication number
WO2017103232A1
WO2017103232A1 PCT/EP2016/081613 EP2016081613W WO2017103232A1 WO 2017103232 A1 WO2017103232 A1 WO 2017103232A1 EP 2016081613 W EP2016081613 W EP 2016081613W WO 2017103232 A1 WO2017103232 A1 WO 2017103232A1
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WO
WIPO (PCT)
Prior art keywords
flame tube
combustion chamber
chamber device
gas discharge
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2016/081613
Other languages
German (de)
English (en)
Inventor
Thomas Baumann
Josip Kutnjak
Tobias KLEINHANS
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Duerr Systems AG
Original Assignee
Duerr Systems AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Duerr Systems AG filed Critical Duerr Systems AG
Priority to DE112016005836.5T priority Critical patent/DE112016005836A5/de
Publication of WO2017103232A1 publication Critical patent/WO2017103232A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/42—Continuous combustion chambers using liquid or gaseous fuel characterised by the arrangement or form of the flame tubes or combustion chambers
    • F23R3/60—Support structures; Attaching or mounting means

Definitions

  • the present invention relates to a combustion chamber device, in particular a combustion chamber device of a gas turbine device.
  • the present invention has for its object to provide a combustion chamber device which is easy to manufacture and allows reliable operation.
  • a combustion chamber device for combustion of fuel with oxidizer comprising:
  • a burner head for supplying fuel and / or oxidizer to a combustion chamber of the combustion chamber device
  • a flame tube connecting to the burner head along a main flow direction of the fuel and / or the oxidizer and surrounding the combustion chamber;
  • the gas discharge preferably directly adjoins the flame tube and / or is directly connected to the flame tube.
  • the gas discharge of the discharge of incurred in the combustion chamber exhaust gas from the combustion chamber is used.
  • the gas discharge is preferably a connection of the combustion chamber device to an annular space of a gas turbine device.
  • the exhaust gas from the combustion chamber can be supplied to a turbine of the gas turbine apparatus.
  • the gas outlet forms a gap or leads to a gap, which in particular is connected upstream of an annular space of a gas turbine apparatus and, for example, serves for exhaust gas purification.
  • the gas discharge is in particular a volute.
  • the flame tube and / or the gas discharge is coupled by means of at least one spring device resiliently with a housing of the combustion chamber device and / or with the combustion head.
  • Flame tube and / or the gas discharge by means of one or more perpendicular to the main flow direction acting spring devices is resiliently coupled to the housing of the combustion chamber device and / or to the burner head.
  • a spring device acting perpendicular to the main flow direction is in particular designed so that a resilient, in particular resiliently compensating, relative movement of the components coupled to one another in a direction perpendicular to the main flow direction is possible.
  • Flame tube and / or the gas discharge by means of one or more parallel to the main flow direction acting spring devices is resiliently coupled to the housing of the combustion chamber device and / or to the burner head.
  • a spring device acting parallel to the main flow direction is in this case designed in particular such that a resilient relative movement of the associated - - Coupled with each other components in a direction parallel to the main flow direction is possible.
  • the flame tube is formed in two parts and comprises an outer flame tube and an inner flame tube.
  • the outer flame tube and the inner flame tube are preferably connected to each other.
  • the outer flame tube surrounds the inner flame tube in
  • the outer flame tube is coupled to the housing of the combustion chamber device by means of a spring device, which acts in particular parallel to the main flow direction. Due to the connection between the outer flame tube and the inner flame tube, the inner flame tube forming the actual combustion chamber wall is then preferably also resiliently coupled to the housing of the combustion chamber device.
  • the combustion chamber device comprises at least one support device for supporting the flame tube and / or the gas discharge.
  • At least one supporting device is or preferably comprises a spring device or resilient elements.
  • the supporting device comprises at least one spring device acting perpendicular to the main flow direction.
  • a plurality of spring devices acting perpendicular to the main flow direction are provided for forming the support device.
  • the support device comprises at least one support element, by means of which the flame tube and / or the gas discharge is preferably supported or supported resiliently against the direction of gravity.
  • the flame tube and / or the gas outlet are preferably movable in one or more directions perpendicular to the direction of gravity relative to the support member.
  • the support element may be formed, for example, as a support plate which is essentially T-shaped in cross-section or longitudinal section and which acts on the bottom side of the flame tube and / or the gas outlet on the flame tube or on the gas outlet at the bottom side of the gravity direction and the flame tube and / or the gas discharge is supported against the direction of gravity.
  • the at least one support element, the flame tube and / or the gas outlet preferably comprise a bearing device for facilitating a relative movement of the flame tube and / or the gas outlet relative to the at least one support element in one or more directions perpendicular to the direction of gravity.
  • the at least one support element preferably serves exclusively for supporting against the direction of gravity while retaining all further degrees of freedom of movement of the flame tube and / or the gas discharge.
  • the support device preferably serves to absorb weight forces of the flame tube and / or the gas discharge.
  • the bearing device comprises a coating, in particular a ceramic coating.
  • the coating is preferably formed and / or arranged on the at least one support element, on the flame tube and / or on the gas discharge.
  • the bearing device comprises a roller bearing, for example a ball bearing.
  • a support element of the support device has one or more receptacles for one or more rolling elements.
  • the flame tube and / or the gas outlet are preferably located on the one or more rolling elements and are thereby preferably particularly friction-free and wear-resistant and thermally insulated supported on the support element.
  • the coating and / or the WälzSystemlagerung is in particular arranged between the support member on the one hand and the flame tube and / or the gas discharge on the other.
  • At least one support element of the support device is arranged and / or formed such that the support element acts on the flame tube, in particular on an end region of the flame tube facing the gas discharge.
  • a distance of the support member which acts on the flame tube, from the gas discharge less than about half of a
  • Overall length of the flame tube in particular less than about one third of a total length of the flame tube, for example less than about one quarter of a total length of the flame tube.
  • the combustion chamber device comprises a plurality of spring devices for coupling the flame tube and / or the gas discharge to the burner head and / or the housing of the combustion chamber device.
  • at least one spring device can act perpendicular to the main flow direction in order in particular to be able to absorb a weight force of the flame tube and / or the gas discharge.
  • At least one spring device can act parallel to the main flow direction, in particular in order to be able to compensate for pressure fluctuations occurring during operation of the combustion chamber device.
  • a weight of the flame tube and / or the gas discharge to at least about 50%, in particular at least about 75%, for example at least about 85%, in particular about 90%, absorbable.
  • a size deviation and / or size variation of the gas discharge and / or combustion chamber occurring due to thermal heating and / or production inaccuracies can preferably be compensated.
  • the flame tube comprises one or more stiffening elements, for example stiffening ribs.
  • the flame tube and / or the gas discharge are supported by means of a plurality of support elements, in particular in order to ensure a uniform mechanical load.
  • the combustion chamber device comprises at least one suspension device for suspending the flame tube and / or the gas outlet.
  • At least one suspension device is preferably a spring device or comprises a spring device.
  • the suspension device comprises at least one suspension element, by means of which the flame tube and / or the gas outlet are preferably suspended or suspended resiliently against the direction of gravity.
  • the suspension element may comprise, for example, a hook clamped by means of a spring element, which acts with respect to the direction of gravity from above on a correspondingly arranged, formed and / or formed counterpart, which is arranged and / or formed on the flame tube.
  • the flame tube and / or the gas outlet is preferably movable in one or more directions perpendicular to the direction of gravity relative to the housing.
  • the suspension element preferably moves with the flame tube and / or the gas outlet, in particular it can be provided that the suspension element is pivotable and / or arranged, in particular a movement of the flame tube and / or the gas discharge in one or more perpendicular to the direction of gravity To enable directions.
  • the at least one suspension element comprises, for example, a receiving rod, a hook and / or an eyelet. - -
  • a corresponding counterpart which is arranged and / or formed on the flame tube and / or on the gas outlet, is for example an eyelet and / or a hook.
  • the at least one suspension element is fixed resiliently and / or pivotably on a housing of the combustion chamber device.
  • the at least one suspension element is coupled or can be coupled by means of a hook connection and / or latching connection to the flame tube and / or the gas discharge.
  • the burner head preferably forms an upstream end of the combustion chamber with respect to the main flow direction.
  • a coupling section, connecting section and / or overlapping section of the flame tube and the gas outlet preferably forms an end of the combustion chamber arranged downstream with respect to the main flow direction.
  • the flame tube is immovably connected to the burner head, in particular fixed thereto, by means of a fixing device, at least along the main flow direction.
  • a relative movement of the flame tube relative to the burner head along the main flow direction is then preferably effectively prevented.
  • the flame tube and the gas outlet may have an overlapping section extending essentially parallel to the main flow direction.
  • the flame tube and the gas outlet are preferably movable relative to one another in the overlapping section, in particular displaceable relative to one another. - -
  • the flame tube and the gas outlet are preferably telescopically or nestable.
  • the flame tube can be pushed or plugged into the gas outlet.
  • Flame tube is slidable or pluggable.
  • An annular gap can form between the flame tube and the gas outlet in the area of the overlap section. This is preferably to be dimensioned as small as possible. For example, this can be provided for tilting between the burner head and the flame tube and / or the gas discharge.
  • the flame tube and / or the gas outlet preferably have an overlapping section of the flame tube and / or the gas outlet
  • Substantially cylindrical and / or mutually parallel walls Preferably, the shape of the flame tube and / or the gas discharge in the region of the overlap section does not hinder a relative movement of the flame tube relative to the gas discharge.
  • a compensating element and / or a sealing element is arranged in an overlapping section of the flame tube and / or the gas outlet, in particular between the flame tube and the gas outlet.
  • the sealing element and / or the compensating element may for example comprise a spring device, in particular a disc spring device and / or a ring spring device.
  • the combustion chamber device comprises a sealing element and / or a compensating element, which is formed by a slotted and / or radially resilient annular element.
  • a sealing element and / or a compensating element may be formed from a sheet metal strip, which is formed by slitting and forming, in particular folding, and then rolling onto a cylindrical element, for example the flame tube and / or the gas discharge.
  • the wound sheet metal strip may preferably be fixed in itself.
  • the slots in the sheet-metal strip are preferably formed and / or arranged such that when the cylindrical element is wrapped several times with the sheet-metal strip, the slots of different layers (windings) are arranged offset from one another. In this way, in particular a sealing effect can be optimized.
  • the combustion chamber device comprises a sealing element and / or a compensating element, which tapers on one side, in particular substantially conically tapers.
  • the sealing element and / or compensating element is in particular a sheet metal element.
  • the sealing element and / or the compensation element is arranged between the flame tube and the gas outlet.
  • the flame tube and the gas discharge are coupled together by means of a spring device.
  • the spring device preferably acts substantially parallel to the main flow direction.
  • the spring device acts substantially perpendicular to the main flow direction, for example annularly in the radial direction.
  • the spring device is a tension spring device, by means of which the flame tube and the gas outlet can be pulled towards one another.
  • the spring device may comprise, for example, a resilient element to train on spring.
  • the spring element is formed from a ceramic material or comprises a ceramic material. Such a spring element is preferably loadable on pressure.
  • the spring device comprises a tension spring device, which comprises, for example, a cylinder and a piston and a pressure element which is resiliently arranged therebetween.
  • each flame tube part forms an immediate boundary (combustion chamber wall) of the combustion chamber.
  • the two flame tube parts are movable relative to each other, in particular displaceable. - -
  • a first flame tube part is preferably fixed to the burner head.
  • a second flame tube part is preferably fixed to the gas outlet.
  • a fixing is preferably to be understood as a fixing that is immovable in at least one direction, in particular in order to avoid a relative movement along the main flow direction.
  • a flame tube part arranged downstream with respect to the main flow direction has passage openings through which fuel and / or oxidizer can be supplied to the combustion chamber from an environment, in particular sheathing, of the combustion chamber.
  • a length expansion of the components and / or a movement of the gas outlet, in particular due to thermal expansion, can be compensated by means of a sliding seat in the flame tube.
  • the passage openings are preferably arranged on an end region of the second flame tube part facing the first flame tube part.
  • the complete process air is introduced via the burner head and the passage openings, in particular while avoiding a false flow via the connection between the flame tube and the gas outlet.
  • the complete process air with a certain residence time in the combustion chamber can be heated to an increased temperature. - Ratur be brought to ultimately a reliable cleaning of
  • a sealing element for example a cross-sectionally C- or V-shaped sealing ring arranged. In this way, preferably an undesirable outflow or inflow of gas can be prevented.
  • the combustion chamber device according to the invention is particularly suitable for use in a gas turbine apparatus.
  • the present invention therefore also relates to a gas turbine apparatus comprising one or more combustor devices according to the invention.
  • the gas turbine device according to the invention preferably has one or more of the features and / or advantages described in connection with the combustion chamber device according to the invention.
  • the gas turbine device comprises a plurality of combustion chamber devices and that the gas discharges of the combustion chamber devices open into an annular space of the gas turbine device arranged upstream of a turbine of the gas turbine device.
  • Combustion chamber device comprises at least one support device for supporting the flame tube and / or the gas discharge, wherein the
  • Supporting the flame tube is supported with respect to a longitudinal center axis of the flame tube both in the radial direction and in the axial direction.
  • the support device comprises one or more support elements, by means of which the flame tube and / or the gas discharge in the radial direction to the outside and / or in the axial direction - - are supported along the main flow direction and / or against the main flow direction.
  • the one or more support elements are preferably aligned obliquely to the axial direction and / or obliquely to the radial direction.
  • a plurality of support elements are arranged distributed along the circumferential direction of the flame tube on the outside thereof and / or attack that results in a uniform support in all directions perpendicular to the main flow direction and / or parallel to the main flow direction.
  • the directions of action (support directions) of all support elements are aligned obliquely to the longitudinal central axis of the flame tube and in particular enclose an angle of at least about 30 °, for example at least about 40 °, with the longitudinal central axis.
  • the angle is further preferably at most about 75 °, for example at most about 60 °. In particular, it may be provided that the angle is approximately 45 °.
  • angles for all support elements are identical or at least approximately identical.
  • a plurality of support elements have directions of action (support directions) which enclose different angles with the longitudinal central axis of the flame tube.
  • the flame tube preferably comprises one or more projections and / or recesses, which in particular abutment sections and / or attack surfaces. - - form sections for applying or attacking one or more support elements.
  • the combustion chamber device comprises one or more spring elements designed as leaf spring elements for the resilient mounting of the flame tube and / or the gas discharge on a housing of the combustion chamber device.
  • the leaf spring elements are in particular at one end to the
  • one or more leaf spring elements are firmly bonded to the flame tube only at one end and rest against the housing, in particular the thermal insulation of the housing, by a clamping action at the other end.
  • a long flame tube is understood in particular to mean a flame tube whose length-diameter ratio [length / diameter of the flame tube] is greater than or equal to 2, but at least greater than 1.75.
  • the length-diameter ratio of the flame tube is at most about 20,
  • a cross-sectional length ratio [surface area of cross section / length] of the flame tube is preferably at most about 80, more preferably at most about 60, for example, at most about 50.
  • Determination of the cross-sectional length ratio is preferably the number value of the cross-sectional area in square millimeters (mm 2 ) divided by the numerical value of the length in millimeters (mm).
  • the cross-sectional length ratio of the flame tube is at least approximately 5, for example at least approximately 10, in particular at least approximately 20.
  • FIG. 1 shows a schematic longitudinal section through a first embodiment of a combustion chamber device in which a flame tube is coupled to a housing of the combustion chamber device by means of a spring device acting parallel to the main flow direction;
  • FIG. 2 shows a schematic representation of a second embodiment of a combustion chamber device corresponding to FIG. 1, in which a support device for supporting the flame tube is provided;
  • Fig. 3 shows a schematic cross section through the flame tube
  • FIG. 4 shows a schematic section corresponding to FIG. 1 through a third embodiment of a combustion chamber device, FIG. in which a supporting device and at least two spring devices acting parallel to the main flow direction are provided for coupling the flame tube to the housing of the combustion chamber device;
  • FIG. 5 shows a schematic representation corresponding to FIG. 4 of a fourth embodiment of a combustion chamber device in which a support device with two support elements is provided;
  • FIG. 6 shows a schematic cross section through a fifth embodiment of a combustion chamber device, in which a supporting device is provided with a roller bearing;
  • FIG. 7 shows a schematic longitudinal section through a sixth embodiment of a combustion chamber device, in which a suspension device for resilient suspension of the flame tube is provided;
  • FIG. 8 a of FIG. 1 shows a corresponding schematic longitudinal section through a seventh embodiment of a combustion chamber device, in which the flame tube and the gas outlet are displaceable in an overlapping section relative to one another; a schematic perspective view of a Ringfed device for connecting the flame tube with the gas discharge;
  • FIG. 11 shows a schematic representation of a ninth embodiment of a combustion chamber device corresponding to FIG. 1, in which a two-part flame tube is provided;
  • FIG. 12 shows a schematic longitudinal section through a tenth embodiment of a combustion chamber device, in which a spring device, in particular a tension spring device, is provided for the resilient coupling of the flame tube to the gas outlet; a schematic representation corresponding to FIG. 12 of an eleventh embodiment of a combustion chamber device, in which a spring device, in particular a compression spring device, is provided for coupling the flame tube to the housing; a schematic longitudinal section through an embodiment of a tension spring device, in which a pressure-loaded spring element is provided; a corresponding schematic representation of a twelfth embodiment of a combustion chamber device with an alternative variant of a tension spring device; a schematic perspective view of a cylinder of the tension spring device of Fig. 15; a schematic side view of the tension spring device of FIG. 15;
  • FIG. 18 is an enlarged view of an eyelet member of the tension spring device of FIG. 15;
  • FIG. - - A schematic perspective view of a portion of a formed from two sheet metal parts Ringfedervoriques; a schematic plan view of a sheet metal element for producing an alternative annular spring element of a ring spring device; a schematic cross section through an arranged on a flame tube ring spring element of FIG. 20; a schematic representation of a thirteenth embodiment of a combustion chamber device, wherein an overlapping portion of the flame tube and the gas discharge is provided with a compensation element; a schematic perspective, partially sectional view of the overlapping portion of the flame tube and the gas discharge including the compensating element according to the thirteenth embodiment of the combustion chamber device shown in Figure 22.
  • FIG. 18 is an enlarged view of an eyelet member of the tension spring device of FIG. 15;
  • FIG. - - A schematic perspective view of a portion of a formed from two sheet metal parts Ringfedervoriques; a schematic plan view of a sheet metal element for producing an
  • FIG. 2 shows a representation of a fourteenth embodiment of a combustion chamber device in which an axially and radially acting support device for supporting the flame tube is provided; a schematic longitudinal section through a fifteenth embodiment of a combustion chamber device in which leaf spring elements are provided for the radial support of the flame tube; and - -
  • FIG. 26 shows a schematic cross section through the combustion chamber device from FIG. 25th
  • FIG. 1 illustrates a combustor device 100 as a whole as used in a gas turbine engine 102.
  • the combustion chamber device 100 comprises a housing 104, in which a burner head 106, a flame tube 108 and a gas outlet 110 are arranged.
  • the flame tube 108 surrounds a combustion chamber 112 of the combustion chamber device 100.
  • the combustion chamber 112 is formed, for example, substantially circular cylindrical.
  • fuel and / or oxidizer can be fed to the combustion chamber 112.
  • the fuel and / or the oxidizer can be passed through the combustion chamber 112 in a main flow direction 114.
  • the burner head 106 preferably forms an upstream end of the combustion chamber 112 with respect to the main flow direction 114.
  • a downstream of the main flow direction 114 disposed downstream end of the combustion chamber 112 is preferably at the same time with respect to the main flow direction 114 downstream end of the flame At this end of the flame tube 108, this adjoins the gas outlet 110.
  • Flame tube 108 facing the end of the gas outlet 110 are preferably formed and arranged rotationally symmetrical about a common axis of symmetry 116.
  • the flame tube 108 and the gas outlet 110 are preferably formed in sections complementary to each other, so that the flame tube 108 and the gas outlet 110 can be applied to each other.
  • the flame tube 108 and the gas outlet 110 are formed in a coupling section 118 or overlapping section 120 in sections opposite to each other.
  • the flame tube 108 is bent radially inwards with respect to the axis of symmetry 116 and that a part of the gas discharge line 116 bent correspondingly radially outwards can be applied to the flame tube 108.
  • the flame tube 108 of the first embodiment of the combustion chamber device 100 is preferably formed in two parts.
  • the flame tube 108 comprises an inner flame tube 122, which forms a combustion chamber wall 124 delimiting the combustion chamber 112.
  • an outer flame tube 126 is provided, which is the inner
  • Flame tube 122 surrounds substantially cylindrical shell-shaped and
  • annular gap 128 is preferably formed between the inner flame tube 122 and the outer flame tube 126.
  • connecting elements 130 are the innermost connecting elements
  • Flame tube 122 and the outer flame tube 126 preferably connected to each other with little play.
  • the combustion chamber device 100 preferably further comprises a spring device 132, by means of which the flame tube 108 is resiliently coupled to the housing 104 or can be coupled.
  • the spring device 132 in particular comprises at least one spring element 134.
  • the flame tube 108 is coupled in a spring-like manner to the housing 104 parallel to the main flow direction 114.
  • the flame tube 108 is thus resiliently arranged parallel to the main flow direction 114 in the housing 104 and movable.
  • the spring device 132 may preferably be a thermally induced expansion of the flame tube 108 and / or the gas discharge 110th
  • a second embodiment of a combustion chamber device 100 shown in FIGS. 2 and 3 differs from that shown in FIG. 1, essentially in that the combustion chamber device 100 comprises a spring device 132 acting perpendicular to the main flow direction 114.
  • the spring device 132 is part of a supporting device 136.
  • the support device 136 comprises a support element 138, with which the flame tube 108 is supported against a direction of gravity 140. - -
  • the support element 138 thus receives in particular a weight of the flame tube 108.
  • the flame tube 108 is in the in Figs. 2 and 3 illustrated second embodiment of the combustion chamber device 100 preferably integrally formed.
  • the support member 138 is thus in particular in a respect to the
  • Gravity direction 140 lower portion of the combustion chamber wall 124 forming the flame tube 108.
  • the flame tube 108 in cross section, for example, circular.
  • the support member 138 preferably has a T-shaped cross-section.
  • the flame tube 108 is thus preferably supported only in the direction of gravity 140.
  • a movement of the flame tube 108 in all perpendicular to the direction of gravity 140 directions is preferably not affected by the support member 138.
  • the supporting device 136 comprises a bearing device 142.
  • the bearing device 142 preferably serves for the thermally optimized and / or friction-optimized mounting of the flame tube 108 on the support element 138.
  • the bearing device 142 comprises or is formed by a coating 144, in particular a ceramic coating 144. - -
  • the coating 144 is applied and / or formed in particular on the support element 138.
  • An abutment section 146 in which the support element 138 engages the flame tube 108 is preferably arranged on an end region 148 of the flame tube 108 facing the gas discharge 110. In this way, by means of the support member 138 and a support of the gas discharge 110 take place.
  • the support member 138 may be formed, for example, as a punch 150.
  • An end of the support element 138 facing away from the flame tube 108 is preferably receivable in a cylinder device and coupled to a spring element 134 which can be loaded, for example, by pressure.
  • Weight of the flame tube 108 and / or the gas discharge 110 can be realized.
  • FIG. 2 and 3 illustrated second embodiment of a combustion chamber device 100 in structure and function with the in FIG. 1, so that reference is made to the above description thereof.
  • a third embodiment of a combustion chamber device 100 shown in FIG. 4 differs from that shown in FIGS. 2 and 3 essentially in that, in addition to the spring device 132, which is part of the support device 136, at least two spring devices 132 acting parallel to the main flow direction 114 are provided. - -
  • the in Fig. 4 illustrated third embodiment of a combustion chamber device 100 in terms of structure and function with the in Figs. 2 and 3 illustrated second embodiment, so that reference is made to the above description thereof in this regard.
  • a fourth embodiment of a combustion chamber device 100 shown in FIG. 5 differs from that shown in FIG. 4, essentially in that the combustion chamber device 100 comprises two support devices 136 for supporting the flame tube 108. In this way, in particular a uniform mechanical loading of the flame tube 108 and / or the support devices 136 can be made possible.
  • the fourth embodiment of the combustion chamber device shown in FIG. 5 is identical in construction and function to the one shown in FIG. 4, so that reference is made to the above description thereof.
  • a fifth embodiment of a combustion chamber device 100 shown in FIG. 6 differs from that shown in FIGS. 2 and 3 illustrated essentially by the fact that the support device 136 comprises a designed as WälzSystemlagerung 152 bearing device 142 includes.
  • the rolling element bearing 152 in particular comprises a plurality of rolling elements 154, for example balls 156, in particular ceramic balls.
  • the rolling elements 154 are arranged in particular in receiving areas 158 of the support element 138. - -
  • the in Fig. 6 illustrated fifth embodiment of a combustion chamber device 100 in structure and function with the in Figs. 2 and 3 illustrated second embodiment, so that reference is made to the above description thereof in this regard.
  • a sixth embodiment of a combustion chamber device 100 shown in FIG. 7 differs from that shown in FIGS. 2 and 3 illustrated essentially by the fact that instead of a support device 136, a suspension device 160 is provided.
  • the flame tube 108 can be received suspended in the housing 104.
  • the suspension device 160 includes a suspension member 162 which engages the fire tube 108.
  • the suspension member 162 includes, for example, a hook 164 which engages an eyelet 166 disposed and / or formed on the fire tube 108.
  • the suspension member 162 further includes a receiving bar 168 which projects into a spring housing 170 of the suspension device 160.
  • the spring housing 170 is in particular placed on an upper side of the housing 104 of the combustion chamber device 100 and serves to receive a spring element 134. - -
  • the suspension element 162 is arranged resiliently on the housing 104 in a direction perpendicular to the main flow direction 114.
  • the receiving rod 168 is formed for example T-shaped, so that the spring element 134 can attack, for example, with respect to the direction of gravity from below it.
  • the suspension element 162 is in particular pivotally mounted in order to enable a movement of the flame tube 108, in particular parallel to the main flow direction 114.
  • suspension element 162 is provided with an additional joint. As a result, an even greater mobility of the flame tube 108 can be made possible.
  • the in Fig. 7 illustrated sixth embodiment of a combustion chamber device 100 in structure and function with the in Figs. 2 and 3 illustrated second embodiment, so that reference is made to the above description thereof in this regard.
  • a seventh embodiment of a combustion chamber device 100 shown in FIG. 8 essentially differs from the first embodiment shown in FIG. 1 in that the flame tube 108 is formed in one piece and fixed to the burner head 106 by means of a fixing device 184.
  • the fixing device 184 comprises in particular one or more fixing elements 186, for example one or more pins 188.
  • the flame tube 108 is thus fixedly movable relative to the burner head 106 fixed thereto. For example, a tilt - - admitted, while at best a very small axial, lateral play is given.
  • the flame tube 108 and the gas outlet 110 comprise an overlapping section 120, which allows a relative movement of the flame tube 108 relative to the gas outlet 110.
  • the flame tube 108 can be inserted or pushed into the gas outlet 110.
  • the flame tube 108 includes an insertion portion 190, which is insertable into a corresponding receiving portion 192 of the gas discharge 110.
  • the gas discharge 110 comprises the insertion portion 190 and hereby in a receiving portion 192 of the flame tube 108 is inserted (not shown in the drawings).
  • FIGS. 9 and 10 differs from the seventh embodiment shown in FIG. 8 essentially in that a spring device 132 is provided in the overlapping section 120.
  • the spring device 132 is formed in particular from the flame tube 108.
  • the flame tube 108 is provided at its end facing the gas outlet 110 with a plurality of notches 194 or slots 196 and formed such that annular radially outwardly or inwardly protruding bulges 198 are formed. - -
  • the flame tube 108 can in particular be resiliently applied to the gas discharge 110.
  • FIGS. 9 and 10 the eighth embodiment of a combustion chamber device 100 shown in FIGS. 9 and 10 is identical in construction and function to that shown in FIG. 8 illustrated seventh embodiment, so that reference is made to the above description thereof in this regard.
  • a ninth embodiment of a combustion chamber device 100 shown in FIG. 11 differs from that shown in FIG. 8 illustrated seventh embodiment essentially in that the flame tube 108 is formed in two parts.
  • a first flame tube part 200 is fixed to the burner head 106 by means of a fixing device 184.
  • a second flame tube part 202 is fixed to the gas discharge 110 by means of a fixing device 184.
  • the first flame tube part 200 and the second flame tube part 202 are displaceable relative to each other.
  • an overlapping section 120 is preferably provided, in which the first flame tube part 200 and the second flame tube part 202 overlap.
  • the first flame tube part 200 is inserted or pushed into the second flame tube part 202.
  • a sealing element 204 is preferably arranged between the second flame tube part 202 and the gas outlet 110. - -
  • this can be used to prevent undesired gas leakage at the connection point between the second flame tube part 202 and the gas outlet 110.
  • the second flame tube part 202 is preferably provided with one or more passage openings 206.
  • the passage openings 206 serve, in particular, to supply fuel and / or oxidant from an environment 208 of the flame tube 108 to the combustion chamber 112.
  • the passage openings 206 in particular form secondary air holes 210 of the combustion chamber device 100.
  • the passage openings 206 are at one of the first
  • Flammrohrteil 200 facing end portion of the second flame tube part 202 arranged. In this way, a uniform mixing of the supplied fuel and / or oxidizer can be achieved with the already arranged in the combustion chamber 112 gas before it is removed via the exhaust discharge 110.
  • a tenth embodiment of a combustion chamber device 100 shown in FIG. 12 differs from that shown in FIG. 1 essentially in that the flame tube 108 and the gas outlet 110 are resiliently coupled to one another by means of a spring device 132. - -
  • the spring device 132 is designed in particular as a tension spring device 212 and serves to pull the flame tube 108 and the gas outlet 110 toward one another, in particular to ensure reliable contact on the coupling section 118 and / or overlap section 120.
  • the spring device 132 is preferably designed such that a spring element 134 of the spring device 132 is subjected to pressure when the flame tube 108 and the gas outlet 110 are moved away from each other.
  • FIG. 12 the in Fig.
  • the tenth embodiment of the combustion chamber apparatus 100 shown in FIG. 12 is identical in construction and function to the first embodiment shown in FIG. 1, so that reference is made to the above description thereof.
  • FIG. 13 differs from that shown in FIG. 12, substantially in that the spring device 132 couples the flame tube 108 to the housing 104.
  • the spring device 132 is preferably designed as a pressure spring device 214, so that the flame tube 108 can be pressed by means of the spring device 132 in particular against the gas discharge 110.
  • a tension spring device 212 in which a pressure-loaded spring element 134 is provided. - -
  • the spring element 134 is arranged in particular in a cylinder 216.
  • a piston rod 220 of the piston 218 protrudes on one side of the cylinder 216 out of this, which is arranged opposite from a side of the cylinder 216, on which a cylinder rod 222 is arranged and / or formed.
  • the piston rod 220 and the cylinder rod 222 thus project away from each other in different directions.
  • the spring element 134 is arranged between the piston 218 and the cylinder 216 such that this spring element 134 is subjected to pressure when the cylinder rod 222 and the piston rod 220 are pulled apart, that is to say subjected to tension.
  • the piston rod 220 may include a notch 224.
  • the spring device 132 can be locked in particular in a prestressed state, for example by the piston rod 220 being pulled out of the cylinder 216 until the notch 224 is accessible and can be locked with a suitable locking element outside the cylinder 216.
  • the embodiment of a spring device 132 shown in FIG. 14 is particularly suitable for use in high-temperature applications, in which the spring element 134 is formed, for example, from a ceramic material.
  • the spring element 134 which is loaded exclusively on pressure and nevertheless allows a tensile loading of the spring device 132.
  • An encapsulation of the ceramic spring element is preferably implement, since this case the fragments are included in the encapsulation at destruction.
  • a twelfth embodiment of a combustion chamber device 100 shown in FIGS. 15 to 18 differs from that shown in FIG. 12 illustrated tenth embodiment substantially in that a substantially the in FIG. 14 illustrated embodiment corresponding tension spring device 212 is provided.
  • the tension spring device 212 in this case comprises, for example, a circular cylindrical cylinder 216 (see FIG. 16).
  • the piston rod 220 and the cylinder rod 222 are preferably provided at the opposite ends, each with an eyelet element 226.
  • the spring device 132 can be easily and securely fixed to the flame tube 108 or to the gas outlet 110.
  • Fig. 16 it can be seen, is a passage 228, through which the piston rod 220 of the piston 218 is guided out of the cylinder 216 to the outside, for example, slit-shaped.
  • the eye element 226 of the piston rod 220 can be passed through the passage 228 in order to be able to easily assemble the spring device 132.
  • a ring spring device 230 can be used, for example, in the overlapping section 120 between the flame tube 108 and the gas discharge 110.
  • the annular spring device 230 preferably comprises two or more annular sheet metal elements 240, which are conically shaped, for example, in sections and each have a plurality of slots 196, so that in each case a plurality of tabs 236 of each sheet metal element 240 are formed.
  • the sheet metal elements 240 are in particular inserted into one another and / or arranged and / or aligned relative to one another such that the slots 196 - - One sheet metal element 240 of the tabs 236 of the other
  • Sheet metal element 240 are covered.
  • the ring spring device 230 according to FIGS. 20 and 21 comprises a
  • Ring spring element 232 which can be produced for example from a metal strip 234 (see FIG. 20).
  • the sheet-metal strip 234 is provided in particular on one side with slots 196 several times, so that a plurality of tabs 236 are formed.
  • the sheet metal strip 234 and / or the tabs 236 are bent or bent, for example, to form bulges 198.
  • the sheet metal strip 234 is wound around a cylindrical element, for example the flame tube 108, and fixed in place, for example, by spot welding.
  • the metal strip 234 is preferably dimensioned so that it can be wound around the cylindrical element several times.
  • the dimensioning and / or arrangement of the slots 196 and / or the tabs 236 is preferably selected so that the tabs 236 of a winding cover the slots 196 of a previous and / or subsequent winding. In this way, in particular a good sealing effect of the ring spring device 230 can be made possible.
  • Fig. 21 can be seen, preferably several, for example, four or five windings are provided.
  • the ring spring devices 230 illustrated in FIGS. 19 to 21 in particular act outward in the radial direction. - -
  • the ring spring device 230 may serve as a compensation element 238 for compensating a relative movement of the flame tube 108 relative to the gas discharge 110.
  • a thirteenth embodiment of a combustion chamber device 100 shown in FIGS. 22 and 23 differs from that shown in FIGS. 9 and 10 essentially in that a substantially cone-shaped compensation element 238 is provided between the flame tube 108 and the gas discharge 110.
  • This compensating element 238 may be formed, for example, by a conically shaped sheet-metal element 240.
  • the in Figs. 22 and 23 illustrated thirteenth embodiment of a combustion chamber device 100 in structure and function with the in Figs. 9 and 10, so that reference is made to the above description thereof.
  • FIG. 24 illustrated fourteenth embodiment of a
  • Combustion chamber device 100 differs from that shown in FIGS. 2 and 3 essentially in that the supporting device 136 supports the flame tube 108 with respect to a longitudinal central axis 300 of the flame tube 108 both in the radial direction 302 and in the axial direction 304.
  • the support device 136 comprises one or more support elements 138 with which the flame tube 108 is supported in the radial direction 302 towards the outside and counter to the main flow direction 114.
  • the directions of action (support directions) of all support elements 138 preferably close at least with the longitudinal central axis 300
  • this angle ⁇ (alpha) is at least about 30 °, in particular at least about 40 °, and / or at most about 75 °, in particular at most about 60 °.
  • this angle ⁇ (alpha) is approximately 45 °.
  • a plurality of support elements 138 to be provided whose directions of action (support directions) include different angles ⁇ (alpha) with the longitudinal central axis 300.
  • the flame tube 108 preferably includes one or more abutment portions 146 and / or engagement portions 312 against which the one or more support members 138 abut and / or engage.
  • each support member 138 has a facing end facing end of each support member 138 and the associated
  • the abutment section 146 and / or the engagement section 312 are preferably at least approximately and / or at least in sections
  • one or more support elements 138 slide along the surface of the flame tube 108 and / or the gas outlet 110 during a movement of the flame tube 108 and / or the gas outlet 110, in particular in the circumferential direction 306 and / or in a tangential direction.
  • connection of the one or more support elements 138 to the flame tube 108 and / or the gas discharge 110 may be provided such that a movement compensation by tilting a punch 150 of the support member 138 within the respective spring device 132 is made possible.
  • the in Fig. 24 shows a fourteenth embodiment of a combustion chamber device 100 in terms of structure and function with the in Figs. 2 and 3 illustrated second embodiment, so that reference is made to the above description thereof in this regard.
  • FIGS. 25 and 26 illustrated fifteenth embodiment of a combustion chamber device 100 differs from that shown in FIG. 24
  • the flame tube 108 instead of relatively complex support elements 138 relatively simple, formed as a leaf spring elements 314 support members 138 for receiving and / or storage of the flame tube 108 in the radial direction 302 includes.
  • a support of the flame tube 108 in the axial direction 304 is not provided in this embodiment, but by appropriate training and / or connection of the leaf spring elements 314 quite different
  • support elements 138 may preferably be a direct
  • Expansion of about 10 mm in the axial direction 304 can be reduced to about 3 mm.
  • a force-transmitting, stable outer heat shield can thereby be dispensed with.
  • the ring spring device 230 may be disposed between the flame tube 108 and the gas exhaust 110 of the seventh embodiment of the combustion chamber device 100 shown in FIG.
  • a supporting device 136 according to the second embodiment shown in FIGS. 2 and 3 and / or a suspension device 160 according to the sixth embodiment shown in FIG. 7 may be provided.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)

Abstract

L'invention vise à proposer un système de chambre de combustion qui soit facile à fabriquer et permette un fonctionnement fiable. À cet effet, le système de chambre de combustion comprend : une tête de brûleur servant à alimenter une chambre de combustion du système de chambre de combustion en combustible et/ou en oxydant ; un tube à flamme qui prolonge la tête de brûleur dans une direction principale d'écoulement du combustible et/ou de l'oxydant et entoure la chambre de combustion ; et une évacuation de gaz qui prolonge le tube à flamme dans la direction principale d'écoulement.
PCT/EP2016/081613 2015-12-18 2016-12-16 Système de chambre de combustion et système de turbine à gaz Ceased WO2017103232A1 (fr)

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DE112016005836.5T DE112016005836A5 (de) 2015-12-18 2016-12-16 Brennkammervorrichtung und Gasturbinenvorrichtung

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DE102015226079.8 2015-12-18
DE102015226079.8A DE102015226079A1 (de) 2015-12-18 2015-12-18 Brennkammervorrichtung und Gasturbinenvorrichtung

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Publication number Priority date Publication date Assignee Title
DE102018104543A1 (de) * 2018-02-28 2019-08-29 Deutsches Zentrum für Luft- und Raumfahrt e.V. Brennkammersystem und Mikrogasturbinenanordnung

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JPH01111148U (fr) * 1988-01-20 1989-07-26
US20050050902A1 (en) * 2003-08-28 2005-03-10 Nuovo Pignone Holdings Spa Fixing system of a flame pipe or liner
DE102012100520A1 (de) * 2011-01-25 2012-07-26 General Electric Company Halterung zwischen dem Übergangsstück und der Prallhülse in einer Brennkammer

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CA1195513A (fr) * 1981-10-26 1985-10-22 Daniel E. Carl Chambre de combustion a zone de preparation de carburant liquide lourd pour turbine
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JP2002071136A (ja) * 2000-08-28 2002-03-08 Hitachi Ltd 燃焼器ライナ
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US2509503A (en) * 1946-02-12 1950-05-30 Lucas Ltd Joseph Combustion chamber for prime movers
JPH01111148U (fr) * 1988-01-20 1989-07-26
US20050050902A1 (en) * 2003-08-28 2005-03-10 Nuovo Pignone Holdings Spa Fixing system of a flame pipe or liner
DE102012100520A1 (de) * 2011-01-25 2012-07-26 General Electric Company Halterung zwischen dem Übergangsstück und der Prallhülse in einer Brennkammer

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DE102015226079A1 (de) 2017-06-22

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