EP0124549B1 - Mit einem fluiden brennstoff gespeister brenner - Google Patents

Mit einem fluiden brennstoff gespeister brenner Download PDF

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Publication number
EP0124549B1
EP0124549B1 EP83903374A EP83903374A EP0124549B1 EP 0124549 B1 EP0124549 B1 EP 0124549B1 EP 83903374 A EP83903374 A EP 83903374A EP 83903374 A EP83903374 A EP 83903374A EP 0124549 B1 EP0124549 B1 EP 0124549B1
Authority
EP
European Patent Office
Prior art keywords
fan
flame tube
cover
oil burner
burner according
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.)
Expired - Lifetime
Application number
EP83903374A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0124549A1 (de
Inventor
Jürgen Schilling
Horst Reichmann
Wolfgang Henche
Thomas Pieper
Bernd Braun
Hans Ludowisy
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.)
Vaillant BV
Original Assignee
Vaillant Austria GmbH
Cofrabel NV
Joh Vaillant GmbH and Co
Vaillant GmbH
Vaillant SARL
Vaillant Ltd
Schonewelle BV
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
Priority claimed from DE19828235312 external-priority patent/DE8235312U1/de
Priority claimed from DE19838306221 external-priority patent/DE8306221U1/de
Priority claimed from DE19838308544 external-priority patent/DE8308544U1/de
Priority claimed from DE19838318419 external-priority patent/DE8318419U1/de
Priority claimed from DE19838319776 external-priority patent/DE8319776U1/de
Priority to AT83903374T priority Critical patent/ATE53905T1/de
Priority to EP86100524A priority patent/EP0213258B2/de
Application filed by Vaillant Austria GmbH, Cofrabel NV, Joh Vaillant GmbH and Co, Vaillant GmbH, Vaillant SARL, Vaillant Ltd, Schonewelle BV filed Critical Vaillant Austria GmbH
Publication of EP0124549A1 publication Critical patent/EP0124549A1/de
Publication of EP0124549B1 publication Critical patent/EP0124549B1/de
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • F23C7/008—Flow control devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/001—Spraying nozzle combined with forced draft fan in one unit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/02—Regulating fuel supply conjointly with air supply
    • F23N1/025—Regulating fuel supply conjointly with air supply using electrical or electromechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
    • F23N5/187—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using electrical or electromechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2210/00—Noise abatement
    • F23D2210/101—Noise abatement using noise dampening material

Definitions

  • the present invention relates to an oil blowing burner according to the first part of claim 1.
  • Such fan burners are known for the fuels gas and oil. They have a flame tube, within which a fuel nozzle is mounted, which inputs the fuel centrally into the flame tube, where an annular air supply duct is arranged between the flame tube and the nozzle and is fed by a blower.
  • a certain length of the flame tube is essential to achieve a uniform air distribution in the annular space in front of the fuel nozzle.
  • the blower since the blower has been axially mounted on the side facing away from the heat exchanger of the burner, the overall length of the burner / blower unit results from the addition of the overall lengths of the two parts. As the heat exchanger dimensions become smaller, this leads to an unreasonable size.
  • the present invention has for its object to make the required overall length of the combination between flame tube and blower as short as possible and at the same time to provide a pre-regulation of the air flow.
  • FIGS. 1 to 8 of the drawing represent schematic cross sections through a burner in different variants.
  • a compact unit 3 consisting of a burner 4 and a blower 5, is flanged to a housing 1 of a heat source 2 according to FIG. 1, which has a heat exchanger (not shown).
  • the burner 4 protruding into the heat source 2 consists in its interior of a fuel supply 7 arranged concentrically to its axis of symmetry 6 in the form of a tube, which is connected to a gas line and oil pump, not shown.
  • an oil preheater 8 is arranged in the course of the pipeline 7.
  • the pipe 7 ends at its end facing the heat source 1 with a fuel nozzle 9.
  • the nozzle or the preheater and the pipe are mounted on the inner jacket of a flame tube 11 via three regularly spaced web plates 10, which-deep into the housing 1 of the heat source 2 protrudes.
  • the flame tube is constructed concentrically to the axis 6 and, like the tube, the preheater 8 and the nozzle 9, is a cylinder component.
  • a baffle plate 13 is arranged, which has a central recess 14.
  • An ignition electrode 15 is directed into the space between the recess 14 and the nozzle 9.
  • the flame tube is surrounded on its rear end 16 facing away from the heat source 1 by a housing 17 which is part of the structural unit 3.
  • a cylindrical annular space 18 is formed, in which, in the extension of the flame tube 11, a sleeve 19 can be displaced on the flame tube in the direction of the axis 6.
  • the flame tube 11 is provided at its rear end 16 with recesses 27 which are distributed radially over the jacket.
  • the outer casing 22 of the housing 17 contains a housing screw 23 of the blower 5, the central axis 24 of which is parallel and at a distance from the axis 6.
  • the housing is a radial fan with a fan wheel 25, the axis of which is equally aligned with the axis 24.
  • the housing 17 is covered on the side facing away from the heat source 1 by a housing cover 22 which is recessed in a pot-shaped manner.
  • the inner wall of the pot faces both the annular space 18 and the interior 21.
  • the sleeve 19 is mounted in this lid interior, and the servomotor 20 for the sleeve is also attached to the lid. The sleeve accordingly receives both a part of the annular space 18 and a part of the central interior of the flame tube 11.
  • a cross-flow blower can also be used.
  • the axis 24 of the motor or that of the roller then used would be parallel to the axis 6 and at a distance from it.
  • the air from the housing screw 23 of the blower 5 is first passed into the recessed cover, which has an inner radius that is considerably larger than the outer radius of the flame tube.
  • the combustion shaft then enters the interior of the flame tube, which is of sufficient length due to this construction. Part of the homogenization of the air vortex occurs in the interior of the recessed cover so that the length of the flame tube is sufficient to even out the air flow.
  • the unit 3 is roughly cuboid in shape and serves as an air duct for the blower inside.
  • the assembly has two large opposite sides, of which the side 27 forms the front, which faces the housing 1 of the heat source, while the rear 28 is the side on which the cover 22 and the motor blower 5 are arranged.
  • Cover 22 and blower 5 with drive motor protrude beyond the rear 28, while the front end of the flame tube, which projects into the housing 2 of the heat source 1, protrudes beyond the front 29.
  • Figure 2 of the drawing shows an oil burner in a basic cross-sectional view.
  • the oil burner 101 essentially consists of a flame tube 103 arranged in a housing 102 inclined by 3 ° at the mouth 104 of which a baffle plate 105 is arranged.
  • a fan 106 is further accommodated in the housing 102, which has a fan wheel 107 which is fastened to an actuating shaft 108 which is acted upon by an electric motor 109.
  • the motor is connected to a network 110, not shown, via a speed control device 111, which is connected to the motor via an active line 112.
  • An oil pump 113 is arranged on the shaft 108 of the motor 109, the housing 114 of which is fed by a fuel supply line 115 and the pressure connection of which is connected via an oil supply line 116 to an oil nozzle 17 arranged in the interior of the flame tube.
  • the flame tube 103 is open at its end 118 arranged inside the housing 102 on the inlet side. With this open end, an inlet 119 in the housing communicates with the inlet 118 via the fan wheel and an air duct 120.
  • An ignition electrode 121 which is connected via a line 122 to a monitoring and ignition device, is arranged in the interior of the flame tube in the annular space between the oil nozzle or line 116 and the inner jacket of the flame tube.
  • a pressure measuring connection 123 is connected in the form of a tube which almost extends vertically from the jacket and is led to a transducer 124, which is connected via a measured value line 125 to a pressure regulator.
  • An atmospheric pressure transmitter 130 is also connected to the pressure regulator via a line 129.
  • a control line 131 leads from the pressure regulator to the speed control device 111.
  • the actual value transmitter 130 for the atmospheric pressure can either be arranged in the combustion chamber, into which the flame of the oil burner strikes through the mouth 104. However, this actual encoder can also be arranged in the boiler installation room or in another room.
  • the setpoint value transmitter 128 can either be adjusted manually or is assigned to a heating controller, so that a specific setpoint value results for the fuel throughput as well as for the air throughput and thus for the air pressure value as the setpoint value in accordance with the desired heating output.
  • This difference signal is compared with the nominal value signal from the nominal value transmitter 128 which is present via the line 127, and as a result of the control deviation, the voltage supply from the network 110 via the line 112 for the line 131 and the speed control device 111 Motor 109 changed so that the control deviation is reduced.
  • the controller can be a proportional or an integral or a PI controller.
  • this pressure regulator is used, for example, for hot water central heating, which usually has an outside temperature-dependent flow temperature setting, the setpoint value for the burner's output results from the outside temperature signal.
  • a signal for a specific fuel throughput is branched off from this target value, which leads via the drive motor 109 to a specific fuel delivery rate of the oil pump 13.
  • this target value also serves as the target value for the air pressure present in the interior 132. This air pressure is kept constant by the pressure regulator at its guided setpoint. The heating power is therefore the reference variable for the pressure regulator 126.
  • FIG. 3 shows the first possible form of mounting the sleeve 419 on the outer jacket 431 of the flame tube 411.
  • Wuh rend the flame tube is a hollow cylinder which is constructed concentrically to the axis 406, the sleeve 419 is divided into two sleeve halves 432 and 433, which form two parting lines 434 and 435 between them.
  • the two parting joints are covered by cover elements 436 and 437, which have cylinder curvature, the curvature of the inner jacket of these covers corresponding to the outer jacket of the sleeve halves.
  • Cover 436 is connected to half 433 by means of a weld 438
  • cover 437 is connected to half 432 by means of a weld 438.
  • a hook 440 and 441 is attached, in each of which a tension spring 442 or 443 is suspended.
  • the abutment for the springs forms a second hook 444 or 445, which is attached to the other half 432 or 433.
  • the springs which are quite powerful in their tensile force, endeavor to place the two halves 432 and 433 of the sleeve firmly on the outer jacket 431 of the flame tube 411, so that there is no gap for leakage air between the outer jacket of the flame tube and the inner jacket of the sleeve or the sleeve halves can.
  • parting lines 434 and 435 cannot be drained off to the outside, since the parting lines are themselves covered by the inner jacket of cover elements 436 and 437.
  • the resilient pressure of the sleeve halves on the outer jacket of the flame tube also ensures compensation for any out-of-roundness.
  • the sleeve 419 does not form the external parts, rather the sleeve is applied to the inner jacket 446 of the flame tube 441. The outer jacket 431 of the flame tube is thus exposed.
  • the flame tube is also provided with recesses 427 which are more or less covered by the sleeve 419.
  • the inner sleeve halves 432 and 433 in the exemplary embodiment according to FIG. 4 have projections 447, 448, 449 and 450, which are located on either side of a parting line 434 and 435, respectively.
  • a compression spring 451 or 452 which strives to press the sleeve halves 432 and 433 against the inner jacket 446 of the flame tube 411 in the idle state, is clamped between two mutually opposite lugs 447, 448 and 449, 450.
  • a flame tube 509 which consists of two parts 510 and 511 and which are divided in a radial plane 521, projects through the recess 506 with an end 508 on the side of the burner mouth.
  • the front end 510 of the flame tube is frustoconical, the smaller diameter of the cone forming the end on the burner side.
  • connection of the two parts 510 and 511 of the burner tube is direct, with one end of the cylinder tube being cylindrical and inserted into the other end.
  • the front end can be plugged onto the rear end or vice versa.
  • FIG. 6 instead of widening the front end of the burner tube, as in FIG. 5, by welding a jacket section 513 to the inner jacket of the front burner tube and attaching the rear end to it.
  • the radial joint plane 512 can be designed as an oblique opening, or it can be designed according to FIG. 8 so that both ends 510 and 511 are weakened in their inside and outside diameters and so that the plug connection is established.
  • a sleeve 528 slides on the outer jacket of the flame tube, which sleeve can be moved in the axial direction by a servomotor (not shown) and can be covered more or less with the recesses 529.
  • the housing element 502 has the recess 506, but this is provided with a relatively strong collar.
  • the burner end 508 of the flame tube is supported on this collar; the collar and flame tube can be connected by means of a screw.
  • the flange of the cover no longer needs to be loosened, it is therefore welded to the side wall.
  • the cover has a central recess with a circular shape, which corresponds approximately in diameter to the free interior of the flame tube.
  • This recess can be covered by a flange which has approximately the shape of a cylindrical disk and which is fastened to the outside of the cover.
  • a flange which has approximately the shape of a cylindrical disk and which is fastened to the outside of the cover.
  • For fastening supply serve three screws not shown. These screws are arranged on a circular ring offset from other screws. In the area of the other screws, the flange has bulges to cover the screws that hold the flame tube on the inside of the cover.
  • the screws that hold the flange on the outside of the cover are loosened. Now all elements up to the burner assembly can be pulled out of the interior of the flame tube to the rear, since the recess in the lid base is now exposed. This means that all elements of the burner unit are exposed for service purposes.
  • the invention in this embodiment is accordingly based on the knowledge that the flame tube can be installed in the housing, that it is only necessary to connect all the elements of the burner unit that are to be made freely accessible for service purposes with a flange cover and the actual cover with a recess to provide that when removing the flange, the entire burner assembly can be pulled out of the interior of the flame tube.
  • a fuel supply line as a central component, possibly with an oil heater, a fuel nozzle 516, an ignition electrode 517 and a baffle plate 518. These parts are all attached to the fuel supply line 515, the fuel supply line itself passing through and covering a cover 519 attached to it.
  • the cover is a pot-shaped component with a flange 520 projecting upwards, which is fastened to the outside of the side wall 504 and covers the recess 507.
  • the rear end 511 of the flame tube is attached to a cover plate 521, which in turn is attached to the inside of the cover 519.
  • the cover 519 which is detachably fastened, for example via a screw 523 passing through the hole 522, is removed by loosening these connections.
  • the flame tube separates in the region of the radial plane 512, and the rear end 511 of the flame tube is removed with the cover and the elements 515 to 518.
  • the front end 510 of the flame tube remains connected to the side wall 502. After removing the burner element, the space behind the baffle plate 518 is freely accessible from all sides for service purposes.
  • the flame tube itself is formed in one piece, its front or burner-side end is likewise conical, and its rear end has an outwardly bent flange which has holes through which three screws engage, which fasten to the bottom of the pot-like cover are.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP83903374A 1982-10-29 1983-10-22 Mit einem fluiden brennstoff gespeister brenner Expired - Lifetime EP0124549B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP86100524A EP0213258B2 (de) 1982-10-29 1983-10-22 Ölgebläsebrenner mit einem Gehäuse
AT83903374T ATE53905T1 (de) 1982-10-29 1983-10-22 Mit einem fluiden brennstoff gespeister brenner.

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
DE8230410U 1982-10-29
DE8230410 1982-10-29
DE8235312U 1982-12-16
DE19828235312 DE8235312U1 (de) 1982-12-16 1982-12-16 Mit einem fluiden brennstoff gespeister brenner
DE8305799U 1983-02-26
DE8305799 1983-02-26
DE8306221U 1983-03-04
DE19838306221 DE8306221U1 (de) 1983-03-04 1983-03-04 Mit einem fluiden brennstoff gespeister brenner
DE8308544U 1983-03-19
DE19838308544 DE8308544U1 (de) 1983-03-19 1983-03-19 Geblaesebrenner
DE19838318419 DE8318419U1 (de) 1983-06-22 1983-06-22 Geblaesebrenner
DE8318419U 1983-06-22
DE19838319776 DE8319776U1 (de) 1983-07-06 1983-07-06 Geblaesebrenner
DE8319776U 1983-07-06

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP86100524.7 Division-Into 1986-01-16

Publications (2)

Publication Number Publication Date
EP0124549A1 EP0124549A1 (de) 1984-11-14
EP0124549B1 true EP0124549B1 (de) 1990-05-02

Family

ID=27561612

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83903374A Expired - Lifetime EP0124549B1 (de) 1982-10-29 1983-10-22 Mit einem fluiden brennstoff gespeister brenner

Country Status (6)

Country Link
US (1) US4998877A (it)
EP (1) EP0124549B1 (it)
CA (1) CA1227738A (it)
DE (2) DE3381520D1 (it)
IT (1) IT1169613B (it)
WO (1) WO1984001809A1 (it)

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Publication number Priority date Publication date Assignee Title
DE3347204C2 (de) * 1983-12-27 1990-08-02 Max Weishaupt Gmbh, 7959 Schwendi Luftansauggehäuse für einen Gebläsebrenner
IT1288866B1 (it) * 1996-03-22 1998-09-25 F I M Fonderia Ind Meccanich E Bruciatore perfezionato per generatore di calore
US6126436A (en) * 1998-08-31 2000-10-03 International Comfort Products Corporation (Usa) Sound enhancing burner enclosure for furnace
EP1582808A1 (fr) * 2004-03-30 2005-10-05 Ceb S.A. Brûleur à air soufflé comprenant une volute de ventilation inclinée par rapport à une tête de combustion
EP1582809A3 (fr) * 2004-03-30 2006-04-19 Compagnie Europeenne de Bruleurs S.A. Bruleur à air soufflé comprenant un carter de turbine de ventilation et un diffuseur inclinés par rapport à une tete de combustion
KR20060087071A (ko) * 2005-01-28 2006-08-02 주식회사 경동네트웍 풍량센서를 이용한 오일 버너의 적정 공연비 제어 시스템및 그 제어방법
US20080264407A1 (en) * 2007-04-30 2008-10-30 Bramhall Marcus E Ovens, burner tube assemblies, and methods for delivering air to a gas power burner
DE102011117736A1 (de) 2011-11-07 2013-05-08 Honeywell Technologies Sarl Verfahren zum Betreiben eines Gasbrenners
US20240181502A1 (en) * 2021-09-03 2024-06-06 Lg Energy Solution, Ltd. Foreign Matter Removal Device
US20240344695A1 (en) * 2023-04-13 2024-10-17 Honeywell International Inc. Adjustable burner nozzle for multiple fuels

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US2084708A (en) * 1935-03-30 1937-06-22 Silent Glow Oil Burner Corp Apparatus for burning liquid fuel
US2358982A (en) * 1942-11-16 1944-09-26 Carnegie Illinois Steel Corp Adjustable mounting for liquid fuel burners
FR1272148A (fr) * 1960-08-11 1961-09-22 Dispositif pour arrêter l'air lorsqu'un brûleur est lui-même arrêté
DE1806936A1 (de) * 1967-11-03 1969-06-04 Perfecta Silenta Ab Vorrichtung bei oel- oder gasbeheizten Heizkesseln
US3748085A (en) * 1972-03-10 1973-07-24 J Poepsel Furnace silencers
FR2178484A5 (it) * 1972-03-30 1973-11-09 Vervialle Jean
FR2341099A1 (fr) * 1976-02-10 1977-09-09 Mitsubishi Heavy Ind Ltd Bruleur, notamment pour combustibles liquides ou gazeux et foyers industriels
US4236578A (en) * 1978-05-04 1980-12-02 Condar, Co. Heat exchange enhancement structure

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2084708A (en) * 1935-03-30 1937-06-22 Silent Glow Oil Burner Corp Apparatus for burning liquid fuel
US2358982A (en) * 1942-11-16 1944-09-26 Carnegie Illinois Steel Corp Adjustable mounting for liquid fuel burners
FR1272148A (fr) * 1960-08-11 1961-09-22 Dispositif pour arrêter l'air lorsqu'un brûleur est lui-même arrêté
DE1806936A1 (de) * 1967-11-03 1969-06-04 Perfecta Silenta Ab Vorrichtung bei oel- oder gasbeheizten Heizkesseln
US3748085A (en) * 1972-03-10 1973-07-24 J Poepsel Furnace silencers
FR2178484A5 (it) * 1972-03-30 1973-11-09 Vervialle Jean
FR2341099A1 (fr) * 1976-02-10 1977-09-09 Mitsubishi Heavy Ind Ltd Bruleur, notamment pour combustibles liquides ou gazeux et foyers industriels
US4236578A (en) * 1978-05-04 1980-12-02 Condar, Co. Heat exchange enhancement structure

Also Published As

Publication number Publication date
IT1169613B (it) 1987-06-03
DE3381520D1 (de) 1990-06-07
DE3382224D1 (de) 1991-04-25
IT8323460A1 (it) 1985-04-26
US4998877A (en) 1991-03-12
IT8323460A0 (it) 1983-10-26
WO1984001809A1 (fr) 1984-05-10
CA1227738A (en) 1987-10-06
EP0124549A1 (de) 1984-11-14

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