EP3198214A1 - Bloc en nid d'abeilles et éléments échangeurs de chaleur fabriqués à partir de celui-ci, notamment pour épurateurs de gaz de fumée de centrales électriques - Google Patents

Bloc en nid d'abeilles et éléments échangeurs de chaleur fabriqués à partir de celui-ci, notamment pour épurateurs de gaz de fumée de centrales électriques

Info

Publication number
EP3198214A1
EP3198214A1 EP15780777.7A EP15780777A EP3198214A1 EP 3198214 A1 EP3198214 A1 EP 3198214A1 EP 15780777 A EP15780777 A EP 15780777A EP 3198214 A1 EP3198214 A1 EP 3198214A1
Authority
EP
European Patent Office
Prior art keywords
honeycomb block
less
heat exchanger
honeycomb
plastic material
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.)
Granted
Application number
EP15780777.7A
Other languages
German (de)
English (en)
Other versions
EP3198214B1 (fr
Inventor
Michael Schlipf
Katja Widmann
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.)
ElringKlinger AG
Original Assignee
ElringKlinger 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 ElringKlinger AG filed Critical ElringKlinger AG
Priority to PL15780777T priority Critical patent/PL3198214T3/pl
Publication of EP3198214A1 publication Critical patent/EP3198214A1/fr
Application granted granted Critical
Publication of EP3198214B1 publication Critical patent/EP3198214B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D19/00—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium
    • F28D19/04—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier
    • F28D19/041—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier with axial flow through the intermediate heat-transfer medium
    • F28D19/042—Rotors; Assemblies of heat absorbing masses
    • F28D19/044—Rotors; Assemblies of heat absorbing masses shaped in sector form, e.g. with baskets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/06—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes composite, e.g. polymers with fillers or fibres

Definitions

  • the invention relates to a honeycomb block, in particular for the production of heat exchanger elements for flue gas cleaning systems of power plants, wherein the honeycomb block comprises a body made of a plastic material integrally formed with a plurality of mutually parallel flow channels, which are separated by channel walls, and a heat exchanger element under Use of honeycomb blocks according to the invention is made.
  • honeycomb blocks of the type mentioned and heat exchanger elements produced therefrom for use in flue gas purification systems of power plants are known for example from DE 195 12 351 Cl.
  • the honeycomb blocks disclosed therein are produced from a polytetrafluoroethylene regenerate alone or in admixture with another plastic and optionally contain fillers.
  • honeycomb blocks are sufficiently heat resistant and resistant to the corrosive components contained in the flue gases, but the mechanical strength is usually too low to use them economically. In addition, conditions are necessary in the production, which make the manufacturing process as such expensive.
  • Heat exchanger elements of such honeycomb blocks are provided in particular for use in so-called Ljungström heat exchangers. These are mainly used in coal-fired or gas-fired power plants in flue gas desulphurisation plants (REA). In addition to REA use, Ljungström heat exchangers in power plants are also used to preheat the combustion air (LUVO) or to additionally heat the flue gases for optimum reaction conditions in the Selective Catalytic Removal (SCR) modules.
  • REA flue gas desulphurisation plants
  • pure and raw gas flows are directed in opposite directions through a rotor, which is equipped with the heat exchanger elements. By doing Area in which raw or flue gas flows through the rotor, the heat exchanger elements are heated, the raw or flue gas cools down. In the region in which clean gas flows through the rotor in the reverse flow direction, the heat exchanger elements release energy to the clean gas, the temperature of which rises while the heat exchanger elements cool down again.
  • the object of the invention is to propose a honeycomb block from which economically heat exchanger elements with sufficiently good mechanical properties can be obtained. Shafts can be made that meet the above requirements.
  • the virgin polytetrafluoroethylene (PTFE) in an amount of about 80 wt .-% or more and optionally a non-PTFE high-performance polymer in a proportion of about 20 wt .-% or surprisingly, it is surprisingly possible to produce honeycomb blocks not only under considerably less demanding production conditions than the honeycomb blocks described in DE 195 12 351 C1, but the honeycomb blocks according to the invention also have mechanical strength values, in particular for tear strength and elongation at break, which considerably above those of conventionally manufactured honeycomb blocks. The same applies to heat exchanger elements produced from the honeycomb blocks according to the invention.
  • a virgin PTFE having a melting enthalpy of about 40 J / g or more is used as the plastic.
  • the density of preferred PTFE materials is about 2.1 g / cm 3 or more.
  • the virgin PTFE to be used according to the invention may have a co-monomer content of about 1% by weight or less, preferably about 0.1% by weight or less.
  • Virgin PTFE materials having such a co-monomer content are typically weldable without the addition of foreign material (e.g., PFA).
  • Typical co-monomers are hexafluoropropylene, perfluoroalkyl vinyl ether, perfluoro (2,2-dimethyl-l, 3-dioxole) and chlorotrifluoroethylene.
  • D 50 average primary particle size
  • Sintered PTFE which also includes PTFE Regenerate, can only be obtained with particle sizes of about 400 pm or greater due to the lower crystallinity compared to virginal PTFE.
  • the primary particle size is referred to above since particle agglomerates of virgin PTFE with significantly larger particle sizes can also be processed, provided that the particle agglomerates decompose into their primary particles under the processing conditions.
  • particle agglomerates with particle sizes of 100 pm to 3000 pm can be used if they decompose into the primary particles at about 150 bar or less.
  • Suitable fillers include both non-metallic and metallic fillers, which can also be used in a mixture. Not only particulate fillers but also fibrous fillers come into question as fillers. In particular, both the thermal conductivity and the heat capacity of the plastic materials to be used according to the invention and optionally also the mechanical properties of the honeycomb block according to the invention can be optimized with the fillers.
  • the plastic material contains a non-metallic filler and / or a metallic filler, wherein the average particle size D 50 of the respective filler is preferably about 100 pm or less.
  • the particle size of the fillers in view of the desired uniform distribution in the plastic material about 2 ⁇ to about 300 ⁇ , preferably about 2 ⁇ to about 150 ⁇ , amount.
  • the ratio of the average particle size D 50 of the primary particles of the plastic or of the plastics to the mean particle size D 50 of the fillers is preferably in the range from about 1: 2 to about 2: 1.
  • the non-metallic filler is present in a proportion of up to about 80 wt .-%, more preferably in a proportion of up to about 40 wt .-%, in certain embodiments, more preferably of up to about 35 wt .-% contained in the plastic material. Due to its higher density, proportions of up to about 90% by weight, preferably up to approx.
  • the total volume fraction of the fillers in the plastic material may be at most about 90% by volume, but should preferably be about 50% by volume or less, more preferably about 40% by volume or less.
  • the plastic material processed into the honeycomb block has a tensile strength of about 10 N / mm 2 or more, measured according to ISO 12086-2 with a strip-shaped test piece with a cross section of 1 ⁇ 5 mm 2 .
  • the tensile strength of the plastic material of the honeycomb block in these strip-shaped specimens is preferably 15 N / mm 2 or more, more preferably about 20 N / mm 2 or more, still more preferably about 25 N / mm 2 or more.
  • the tear strength will be about 35 N / mm 2 or less. Within the range of tear strengths defined above, higher values are achieved with plastic materials without fillers, and lower values with plastic materials with fillers.
  • the elongation at break of the plastic material processed to the honeycomb block measured according to ISO 12086-2 on a strip-shaped test specimen having a cross-section of 1 ⁇ 5 mm 2 , is about 80% or more, in particular approx. 100% or more, more preferably about 150% or more, most preferably about 200% or more.
  • honeycomb blocks are available with very cleanable surfaces, for which purpose the average roughness Ra of the surfaces of the honeycomb block, measured according to DIN EN ISO 1302 in the longitudinal direction of the honeycomb block channels, about 10 pm or less, preferably about 5 ⁇ or less.
  • the surface roughness Rz of the surfaces of the honeycomb block measured according to DIN EN ISO 1302 in the longitudinal direction of the flow channels of the honeycomb body, about 50 ⁇ or less, especially about 40 ⁇ or less, preferably about 30 ⁇ or less , most preferably about 20 ⁇ or less.
  • honeycomb blocks according to the invention preferably have a plastic material with a thermal conductivity of about 0.3 W / (m ⁇ K) or more.
  • honeycomb blocks according to the invention preferably have a plastic material with a heat capacity of about 0.9 J / (g ⁇ K) or more.
  • thermal conductivity and the heat capacity promote effective heat exchange between the heat exchanger elements formed from the honeycomb block and the flue gas flowing through, as well as the storage capacity of the heat exchanger element.
  • honeycomb blocks In the geometry of the honeycomb blocks according to the invention a variety of configurations are possible.
  • the flow channels have a polygonal, in particular a square or hexagonal, cross section.
  • the channel walls of the flow channels of the honeycomb block preferably have a thickness of about 0.8 mm to about 2 mm, more preferably up to about 1.6 mm.
  • the open cross-sectional area of the flow channels of a honeycomb block preferably sums up to about 75% or more of the base area of the honeycomb block.
  • honeycomb blocks of the present invention can be used either as such or in their geometry by cutting adapted as a heat exchanger element.
  • the heat exchanger elements which serve the assembly of a rotor, are typically required in several different dimensions of their bases.
  • the honeycomb blocks can be produced economically as units with a base of, for example, 440 mm x 450 mm and a height (corresponding to the flow channel length) of 150 mm.
  • the dimensions of the base are, for example, 510 mm x 525 mm at a height of 250 mm.
  • the flow channel geometry may, for example, have a hexagonal cross section with an edge length of approximately 7.2 mm.
  • a heat exchanger element in the respective required geometry can be produced in a simple manner using two or more honeycomb blocks according to the invention.
  • the two or more honeycomb blocks can be connected one behind the other in the longitudinal direction of the flow channels for varying the flow channel length.
  • the flow channels of the honeycomb blocks are preferably aligned in this case.
  • spacers can be placed between the honeycomb bodies, which ensure a sufficient gas flow in the case of flow channels which are not aligned.
  • These can be z. B. be mounted in the corner regions of the honeycomb body.
  • the connection of the spacer with the honeycomb body can be done mechanically, for example by means of positive and non-positive, or cohesively, for example by welding or gluing. If it is desired to increase the base area, the honeycomb blocks are connected with the flow channels in parallel side by side to form a heat exchanger element.
  • connection of the honeycomb blocks to a heat exchanger element which can be handled as a whole can be effected mechanically, for example by means of a positive or non-positive connection, or cohesively, for example by gluing or welding.
  • the heat exchanger element can also be adapted in this case in its geometry to the requirements by cutting or Zusägen and in particular in a plane perpendicular to the longitudinal direction of the flow channels are wedge-shaped.
  • honeycomb structures which have been severed during the blanking of the honeycomb blocks or honeycomb structures can readily be connected to a honeycomb block in the manner already described in order to produce further heat exchanger elements.
  • Figure 1 is a schematic representation of a coal power plant with a flue gas cleaning system
  • Figure 2 is a schematic representation of a rotor for receiving inventive heat exchanger element
  • Figure 3 is a schematic representation of a honeycomb block according to the invention
  • Figure 4 is a schematic representation of a plurality of interconnected honeycomb blocks of a larger heat exchanger element of Figure 3;
  • Figure 5 is a schematic representation of a wedge-shaped in its base geometry of the invention heat exchanger element.
  • Figures 6A and 6B are photographic illustrations of samples of material after
  • FIG. 1 shows a schematic representation of a coal power plant 10 with a burner 12 and a flue gas cleaning system 14.
  • the burner 12 comprises a boiler 16 with a combustion chamber 18, the coal via a fuel supply line 20 coal in ground form and via a supply line 22 combustion air is supplied. Above the combustion chamber 18 is in the boiler 16 a
  • Steam generator 24 is arranged, in which for the operation of a steam turbine 26 water vapor is generated.
  • the steam turbine 26 drives a power generator, not shown.
  • the flue gas produced during the combustion of the coal in the combustion chamber 18 is discharged from the boiler 16 via a flue gas line 28.
  • the combustion air is passed via the supply line 22 before feeding into the combustion chamber 18 of the boiler 16 via a heat exchanger 30 and heated there by the flue gas fed via the flue gas line 28.
  • the heat exchanger has a supply air region 32 and a flue gas region 34.
  • a rotor 36 is equipped with a heat storage and -transmission medium available that absorbs heat from the flue gas passed through there in the flue gas region 34 and emits the heat to the passing therethrough combustion air when passing the opposite supply air.
  • the temperature of the flue gas sinks during passage through the heat exchanger 30, for example, from about 250 ° C to about 160 ° C, while the temperature of the supply air of ambient temperature, for example, increased to about 150 ° C.
  • the diameter of the rotor 36 is often in the range of 5 m to 25 m, depending on the required heat exchanger capacity.
  • the weight of a fully loaded with a heat storage and -transmission medium rotor can be 1000 tons or more depending on the size, especially when only a conventional medium based on enamelled steel sheets is used.
  • the cooled flue gas is fed to dedusting through line 29 to an electrostatic particle separator, hereinafter referred to as ESP unit 44 for short.
  • the treated (largely dusted) flue gas via a line 48 a regenerative heat exchanger 50, also called REGA- VO supplied, in which the processed flue gas, for example, from about 160 ° C to a temperature of about 90 ° C or lower is cooled further.
  • a regenerative heat exchanger 50 also called REGA- VO supplied, in which the processed flue gas, for example, from about 160 ° C to a temperature of about 90 ° C or lower is cooled further.
  • the heat exchanger 50 contains a rotor 52 equipped with a heat storage and transfer medium, which receives the heat emitted by the dedusted flue gas, passed through a first region 54 of the heat exchanger 50 and then via the line 62 of a flue gas desulphurisation system 64 is supplied.
  • the temperature of the dedusted flue gas drops when passing through the first region 54 of the heat exchanger 50 from, for example, about 150 ° C to about 85 to about 90 ° C.
  • the desulfurized flue gas coming from the flue gas desulphurisation system 64 still has a temperature in the range of, for example, about 40 to about 50 ° C. and is conducted via the line 66 through a second region 56 of the heat exchanger 50 in countercurrent to the flue gas which has not yet been desulfurized and heated to about 90 to about 100 ° C.
  • a line 68 leads the desulfurized, reheated flue gas to the chimney 70.
  • the flue gas has a sufficiently large buoyancy to get out of the chimney into the atmosphere.
  • REA flue gas desulphurisation plant
  • SCR catalytic denitrification
  • Ljungström gas preheaters are used as heat exchangers, which are equipped with a rotor 36 and 52, the heat transport from the flue gas area to the supply air or from the first to the second Take over the area of the respective heat exchanger 30 and 50, respectively.
  • Such a rotor is shown schematically in FIG. 2 in the form of the disc-shaped rotor 100, whose diameter may be 20 m or more.
  • the volume of the disc-shaped rotor 100 is bounded by a cylindrical outer wall 102 and divided into a plurality of chambers 104, 105, 106, 107, 108, 109 with a substantially trapezoidal plan.
  • the division takes place on the one hand by means of a plurality of radially extending partitions 110, 112 and other on the one hand by means of concentric with the outer wall formed cylinder walls 114, 115, 116, 117, 118, 119th
  • the chambers 104, 105, 106, 107, 108, 109 can be equipped with replaceable, size-adapted heat exchanger elements 130, which are formed from honeycomb blocks according to the invention.
  • Such honeycomb blocks or heat exchanger elements are interspersed with a plurality of flow channels which extend parallel to the axial direction of the rotor 100.
  • FIG. 3 shows a honeycomb block 150 according to the invention with a multiplicity of flow channels 152 aligned parallel to one another, which are separated from one another by flow channel walls 154.
  • the cross-sectional area of the flow channels 152 is hexagonal. With a flow channel wall thickness of 1.2 mm, a free cross section for the passage of gases through the honeycomb block 150 results from a distance between the opposing flow channel walls of 14.3 mm (expansion of the channel walls approximately 7.2 mm) about 83% based on the base area of the honeycomb block 150.
  • the specific surface area is about 150 m 2 / m 3 .
  • Another embodiment with a footprint of 525 mm x 510 mm at a height of 250 mm has a weight of about 34 kg (Inoflon 230 PTFE virginal agglomerated).
  • a filler in the form of a graphite- or carbon-based heat-conducting pigment in the context of a Compounding distributed homogeneously can be given.
  • the resulting in the compounding and then agglomerated particles have a lower bulk density than the agglomerated virgin PTFE. Because of this, weights of about 11 kg and about 28 kg are then obtained in the honeycomb blocks in the above sizes.
  • the heat exchanger elements are often not manufactured in one piece, but it is depending on the required size several, for example two or four, cuboid honeycomb blocks connected to each other, in particular welded together, and then the heat exchanger elements are produced by cutting into the required wedge shape.
  • a honeycomb body 200 is shown by way of example, which was obtained by welding four honeycomb blocks 202, 204, 206 and 208, wherein at the mutually contacting side walls of the individual honeycomb blocks 202, 204, 206 and 208 PFA films (eg from PFA 6515NZ, film thickness 50 ⁇ m, manufacturer Novoflon principless GmbH, Siegsdorf) were used in order to achieve a secure and mechanically load-bearing connection of the honeycomb blocks with each other.
  • PFA films eg from PFA 6515NZ, film thickness 50 ⁇ m, manufacturer Novoflon principless GmbH, Siegsdorf
  • honeycomb blocks 202, 204, 206 and 208 with the dimensions 440 mm x 450 mm honeycomb body 200 with the dimensions 870 mm x 880 mm can be achieved.
  • honeycomb blocks 202, 204, 206 and 208 of the size 510 mm x 525 mm we obtain in this way honeycomb body 200 with the dimensions 1020 mm x 1030 mm.
  • FIG. 5 schematically shows the blank of a cuboid honeycomb block or honeycomb body 250 to a heat exchanger element 252 with a trapezoidal base surface, as is typically the case in the rotors 30, 50 described in connection with FIG. 1 or in connection with FIG described rotor 100 is used as a heat exchanger element 130 or used there in the rotor chambers and for cleaning inline there remains or for off-line cleaning can be replaced again.
  • the honeycomb block parts separated in the blank can be further used and connected to other honeycomb blocks to heat exchanger elements, for. B. stick or weld.
  • the heat exchanger elements must be regularly cleaned due to the entry of corrosive gases and ash particles through the flue gas - even in its treated, dedusted form, so that the simple and safe handling of these elements on the one hand, but also the simple cleaning of the honeycomb on the other hand is of great importance.
  • the heat resistance of the PTFE material is also important in view of the temperatures of the flue gases occurring at the heat exchangers, for example about 250 ° C.
  • the parameters of the heat capacity and the thermal conductivity of the heat storage and transfer media used are of crucial importance.
  • the present invention also addresses these issues by selecting the plastic materials and optionally the fillers for making the heat exchanger elements or the honeycomb blocks made for making them.
  • honeycomb blocks The tools that were used in the inventive and comparative examples for the production of honeycomb blocks, are comparable to those recommended in DE 195 12 351 Cl for the second variant of the production of honeycomb blocks.
  • Suitable conditions for the processing of the inventively used and conventional plastic materials into honeycomb blocks with dimensions mentioned in connection with the description of FIG. 3, which are also used in examples 1 to 5 according to the invention and the comparative examples described below, are as follows:
  • samples having the dimensions 1 mm ⁇ 5 mm in cross-section and a length of 60 mm were taken from the honeycomb blocks and subjected to the test method according to ISO 12086-2.
  • the free clamping length during the test was 23 mm.
  • the surface roughness values Ra and Rz were determined according to DIN EN ISO 1302 on wall surfaces of the obtained honeycomb blocks in the longitudinal direction of the flow channels.
  • the particle size D 50 of the agglomerates achieved in this case can be, for example, in the range from about 1 to about 3 mm. Due to the thus formed agglomerates, which have a lower bulk density than the agglomerated virgin PTFE, results in a lower filling weight of the mold and consequently a lower specific gravity of the honeycomb blocks of about 300 kg / m 3 , although the agglomerate particles during pressing (pressing pressure of for example about 120 bar) disintegrate. This sintered material will also be referred to below as PTFE (black).
  • the heat exchanger elements according to the invention based on the material PTFE (white) or PTFE (black), can be compared to the use of heat storage and transfer media made of steel or enamelled steel in the so-called cold end layer achieve heat capacities that are more than twice as large at the same time significantly reduced specific weight, which is reflected not only in the handling of the media themselves, but also in the maintenance of the heat exchanger overall in economic benefits.
  • the plastic material used is an agglomerated virgin PTFE (Inoflon 230).
  • Figures 6A and 6B show two material samples in different magnification in comparison, wherein in the case of Figure 6A, the material sample based on a mixture of Inoflon 510 (presintered PTFE) having a particle size D 50 of about 400 pm and a proportion of 3 wt .-% of a réelleleitpigments (Timrex C-therm TM002) having a particle size D 50 in the range of about pm was prepared 38 while in the case of Figure 6B an inventive composite material sample on the basis of a mixture of virgin non-agglomerated PTFE (Inoflon 640 ) was obtained with a primary particle size D 50 of about 25 pm and also 3 wt .-% of the same perennialleitpigments.
  • Inoflon 640 an inventive composite material sample on the basis of a mixture of virgin non-agglomerated PTFE
  • a hollow cylindrical specimen having an outer diameter of 75 mm and an inner diameter of 40 mm was pressed at a pressure of about 250 bar, then sintered at a temperature of about 380 ° C for 240 min. Cooling from about 380 ° C to room temperature was carried out at a cooling rate of about 1 ° C / min, according to the specifications of the test standard ASTM D 4894.
  • the mechanical properties of the sample based on PTFE regrind are so insufficient that no heat exchanger elements that can be used in the long term during operation of a rotor can be produced.
  • This is of particular importance because, as such, the PTFE materials would allow very long service life of the heat exchanger elements due to their chemical inertness.
  • these extremely long service lives for example 15 years or more, can be guaranteed with the honeycomb blocks according to the invention or the heat exchanger elements produced therefrom.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Filtering Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un bloc en nid d'abeilles qui est destiné en particulier à la fabrication d'éléments échangeurs de chaleur d'épurateurs de gaz de fumée de centrales électriques, le bloc en nid d'abeilles comportant un corps qui est fabriqué d'une seule pièce à partir d'une matériau en matières plastiques et qui est pourvu d'une pluralité de conduits d'écoulement parallèles entre eux et séparés les uns des autres par des parois, dans le but d'améliorer les propriétés mécaniques et donc le caractère pratique en raison du fait que le matériau en matières plastiques comporte une matière plastique qui contient du polytétrafluoroéthylène vierge (PTFE) à un pourcentage d'environ 80 % en poids ou plus et éventuellement un polymère de haute performance, différent du PTFE, à un pourcentage d'environ 20 % en poids ou moins.
EP15780777.7A 2014-09-26 2015-09-23 Bloc en nid d'abeilles et éléments échangeurs de chaleur fabriqués à partir de celui-ci, notamment pour épurateurs de gaz de fumée de centrales électriques Active EP3198214B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15780777T PL3198214T3 (pl) 2014-09-26 2015-09-23 Blok komórkowy i wytworzone z niego elementy wymiennika ciepła, zwłaszcza dla instalacji do oczyszczania spalin z elektrowni

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014114052.4A DE102014114052A1 (de) 2014-09-26 2014-09-26 Wabenblock und hieraus hergestellte Wärmetauscherelemente, insbesondere für Rauchgasreinigungsanlagen von Kraftwerken
PCT/EP2015/071854 WO2016046257A1 (fr) 2014-09-26 2015-09-23 Bloc en nid d'abeilles et éléments échangeurs de chaleur fabriqués à partir de celui-ci, notamment pour épurateurs de gaz de fumée de centrales électriques

Publications (2)

Publication Number Publication Date
EP3198214A1 true EP3198214A1 (fr) 2017-08-02
EP3198214B1 EP3198214B1 (fr) 2019-01-02

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EP (1) EP3198214B1 (fr)
CN (1) CN106716038A (fr)
DE (1) DE102014114052A1 (fr)
PL (1) PL3198214T3 (fr)
TR (1) TR201903555T4 (fr)
WO (1) WO2016046257A1 (fr)

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DE102016102506A1 (de) * 2015-12-22 2017-06-22 Elringklinger Ag Packung und Kolonne umfassend eine oder mehrere Packungen
CN109404936A (zh) * 2018-10-26 2019-03-01 青岛福轮科技有限公司 一种烟气处理系统及处理方法

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DE8419655U1 (de) 1984-06-30 1984-09-27 Balcke-Dürr AG, 4030 Ratingen Regenerativ-waermeaustauscher
DE19512351C1 (de) 1995-04-01 1996-11-14 Poehlmann Klaus Ernst Wabenblock aus wärmebeständigem Speichermaterial für Wärmetauscher
DE102004023027A1 (de) * 2004-05-06 2005-12-08 Babcock Borsig Service Gmbh Verfahren zum Korrosionsschutz eines Wärmetauscheteils und Wärmetauscherteil
JP4533115B2 (ja) * 2004-12-03 2010-09-01 三井・デュポンフロロケミカル株式会社 フッ素樹脂成形方法及びフッ素樹脂成形品
DE102009018636A1 (de) * 2009-04-17 2010-10-21 Elringklinger Ag Polymercompound sowie Bauteile, hergestellt unter Verwendung des Compounds
CN104654864A (zh) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 一种用于化学蓄热的蜂窝块
CN104654872A (zh) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 一种用于高温热能的蜂窝块及其制造方法

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EP3198214B1 (fr) 2019-01-02
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CN106716038A (zh) 2017-05-24
PL3198214T3 (pl) 2019-06-28

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