WO2014129176A1 - 触媒反応器及び触媒反応器の製造方法 - Google Patents
触媒反応器及び触媒反応器の製造方法 Download PDFInfo
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- WO2014129176A1 WO2014129176A1 PCT/JP2014/000824 JP2014000824W WO2014129176A1 WO 2014129176 A1 WO2014129176 A1 WO 2014129176A1 JP 2014000824 W JP2014000824 W JP 2014000824W WO 2014129176 A1 WO2014129176 A1 WO 2014129176A1
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- corrugated fin
- corrugated
- side bar
- catalyst carrier
- vertical wall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/248—Reactors comprising multiple separated flow channels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/248—Reactors comprising multiple separated flow channels
- B01J19/249—Plate-type reactors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
- B23K1/0012—Brazing heat exchangers
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- 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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0006—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the plate-like or laminated conduits being enclosed within a pressure vessel
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- 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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0062—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements
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- 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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0062—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements
- F28D9/0068—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements with means for changing flow direction of one heat exchange medium, e.g. using deflecting zones
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/30—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means being attachable to the element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
- F28F3/10—Arrangements for sealing the margins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/24—Stationary reactors without moving elements inside
- B01J2219/2401—Reactors comprising multiple separate flow channels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/24—Stationary reactors without moving elements inside
- B01J2219/2401—Reactors comprising multiple separate flow channels
- B01J2219/245—Plate-type reactors
- B01J2219/2451—Geometry of the reactor
- B01J2219/2453—Plates arranged in parallel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/24—Stationary reactors without moving elements inside
- B01J2219/2401—Reactors comprising multiple separate flow channels
- B01J2219/245—Plate-type reactors
- B01J2219/2451—Geometry of the reactor
- B01J2219/2456—Geometry of the plates
- B01J2219/2458—Flat plates, i.e. plates which are not corrugated or otherwise structured, e.g. plates with cylindrical shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/24—Stationary reactors without moving elements inside
- B01J2219/2401—Reactors comprising multiple separate flow channels
- B01J2219/245—Plate-type reactors
- B01J2219/2451—Geometry of the reactor
- B01J2219/2456—Geometry of the plates
- B01J2219/2459—Corrugated plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/24—Stationary reactors without moving elements inside
- B01J2219/2401—Reactors comprising multiple separate flow channels
- B01J2219/245—Plate-type reactors
- B01J2219/2461—Heat exchange aspects
- B01J2219/2465—Two reactions in indirect heat exchange with each other
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
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- B01J2219/2469—Feeding means
- B01J2219/247—Feeding means for the reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/24—Stationary reactors without moving elements inside
- B01J2219/2401—Reactors comprising multiple separate flow channels
- B01J2219/245—Plate-type reactors
- B01J2219/2476—Construction materials
- B01J2219/2477—Construction materials of the catalysts
- B01J2219/2479—Catalysts coated on the surface of plates or inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/24—Stationary reactors without moving elements inside
- B01J2219/2401—Reactors comprising multiple separate flow channels
- B01J2219/245—Plate-type reactors
- B01J2219/2476—Construction materials
- B01J2219/2483—Construction materials of the plates
- B01J2219/2485—Metals or alloys
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/24—Stationary reactors without moving elements inside
- B01J2219/2401—Reactors comprising multiple separate flow channels
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- B01J2219/2476—Construction materials
- B01J2219/2483—Construction materials of the plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
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- B01J2219/2491—Other constructional details
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- B01J2219/2496—Means for assembling modules together, e.g. casings, holders, fluidic connectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/24—Stationary reactors without moving elements inside
- B01J2219/2401—Reactors comprising multiple separate flow channels
- B01J2219/245—Plate-type reactors
- B01J2219/2491—Other constructional details
- B01J2219/2498—Additional structures inserted in the channels, e.g. plates, catalyst holding meshes
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- 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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0022—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for chemical reactors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2240/00—Spacing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/04—Fastening; Joining by brazing
- F28F2275/045—Fastening; Joining by brazing with particular processing steps, e.g. by allowing displacement of parts during brazing or by using a reservoir for storing brazing material
Definitions
- the technology disclosed herein relates to a catalyst reactor having a structure in which a catalyst carrier is inserted into each channel partitioned by corrugated fins, and a method for manufacturing the catalyst reactor.
- Patent Document 1 describes a catalytic reactor using a plate fin type heat exchanger structure.
- corrugated fins are arranged in a passage defined by a tube plate, and fixed by brazing to form a core, and a catalyst carrier is inserted into each of a plurality of channels defined by the corrugated fins.
- the catalytic reaction is performed when the fluid flows in the channel.
- the term “catalytic reactor” and the term “core” may be used synonymously.
- the side portion of the passage defined by the facing tube plates is constituted by side bars arranged between the tube plates.
- the end of the corrugated fin adjacent to the side bar may be formed by cutting in the middle of the upper wall or the lower wall constituting the peak or valley of the corrugated fin. However, if cutting is performed at this position, the end of the corrugated fin may enter between the tube plate and the side bar when the tube plate, the corrugated fin and the side bar are laminated and brazed. is there.
- the end of the corrugated fin is not cut and formed in the middle of the upper wall or the lower wall of the corrugated fin. For example, as shown in FIG. It is considered to cut and form in the middle of the side wall connecting the valley. By doing so, since the end portion of the corrugated fin comes into contact with at least the side wall surface of the side bar, the end portion of the corrugated fin is prevented from entering between the tube plate and the side bar.
- Patent Document 2 when brazing the corrugated fins 211, 221 and the like, the end portions (that is, the side walls 2113, 2213) of the side bar 24 and the corrugated fins 211, 221 are the core 2
- the side wall 2213 of the corrugated fin 221 is bent inside the passage due to the influence of thermal deformation during brazing, or the side wall 2113 of the corrugated fin 211 is vertically moved.
- the lower wall 2112 may bend upward so as to be displaced.
- the stress accumulated when cutting the end portions of the corrugated fins 211 and 221 may be released during brazing, and the end portions of the corrugated fins 211 and 221 may be deformed.
- Such deformation is not particularly problematic in a plate fin type heat exchanger, but the cross-sectional shape of the channel formed between the side bar 24 and the side walls 2113 and 2213 of the corrugated fins 211 and 221 Due to the irregular shape, the catalyst reactor has a problem that it is difficult to properly insert and arrange, for example, the catalyst carriers 215 and 225 configured in a rod shape in the channel.
- a space where no catalyst carrier is present is created. This is because the resistance of the channel is relatively low, which causes a drift in which the flow rate of the channel is relatively increased.
- the fluid flows in a space where there is no catalyst carrier. As a result, the deterioration of performance is caused such that the catalyst 2 passes through the core 2 without a catalytic reaction.
- the technology disclosed herein has been made in view of such a point, and the object of the technology is a catalytic reaction configured by inserting a catalyst carrier into each of a plurality of channels partitioned by corrugated fins.
- the channel formed between the end portion of the corrugated fin and the side bar is to ensure a cross-section into which the catalyst carrier can be inserted, and to avoid degradation of the performance of the catalyst reactor.
- the technology disclosed herein relates to a catalytic reactor, the catalytic reactor facing a first direction at a predetermined interval, and a tube plate configured to partition a passage through which a fluid flows.
- a corrugated fin that is brazed and fixed in the passage defined by the tube plate and configured to partition the passage into a plurality of channels in a second direction orthogonal to the first direction.
- Side bars that are brazed and fixed between the tube plates and that form side walls of the passage adjacent to an end of the corrugated fin in the second direction, and a plurality of the channels defined by the corrugated fins.
- a catalyst carrier that is inserted in each channel and extends along the channel.
- the corrugated fins are laterally fixed to the tube plates facing each other in the first direction by brazing, and in the second direction at a predetermined equal pitch corresponding to the dimensions of the catalyst carrier.
- An end of the corrugated fin in the second direction is provided in the middle of the horizontal wall, and the vertical wall of the corrugated fin adjacent to the side bar is the side wall. It arrange
- the end in the second direction (that is, the direction orthogonal to the first direction where the tube plates face each other) is provided in the middle of the horizontal wall.
- the vertical wall of the corrugated fin adjacent to the side bar is arranged so as to ensure a space in which the catalyst carrier can be inserted between the side bar and the vertical wall of the corrugated fin.
- the end portion in the second direction of the corrugated fin is brazed and fixed to the tube plate between the side bar and the vertical wall of the corrugated fin.
- the end portion is deformed so as to be separated from the tube plate, and the cross-sectional shape of the channel formed between the side bar and the vertical wall of the corrugated fin is prevented from being distorted.
- a catalyst carrier as designed can be inserted and disposed in an adjacent channel. Therefore, this catalyst reactor ensures a predetermined performance because the fluid passing through the catalyst reactor always performs a catalytic reaction.
- the interval between the side bar and the vertical wall of the corrugated fins may be set to an interval different from the predetermined pitch of the corrugated fins. That is, it may be wider or narrower than the predetermined pitch.
- a catalyst carrier having a size corresponding to the interval is inserted into a channel formed between the side bar and the vertical wall of the corrugated fin. This catalyst carrier is different in size from the catalyst carrier inserted in the other channel.
- the interval between the side bar and the vertical wall of the corrugated fin is set to the same interval as the predetermined pitch of the corrugated fin, and between the side bar and the vertical wall of the corrugated fin.
- a catalyst carrier having the same dimensions as the catalyst carrier inserted between the vertical walls of the corrugated fins may be inserted.
- This manufacturing method includes a step of cutting a corrugated fin of a predetermined size by cutting a corrugated fin including a horizontal wall and a vertical wall at an intermediate position of the horizontal wall, and the cut corrugated fin is a tube whose horizontal wall is a tube.
- the spacer may be anything that is not brazed to the side bars, corrugated fins, and tube plate during brazing, and may be, for example, an elongated rod made of ceramic.
- the spacer is removed, and the catalyst is loaded in the removed space (that is, the channel formed by the side bar and the vertical wall of the corrugated fin). Insert the body.
- the spacer has a cross-sectional dimension comparable to that of the catalyst carrier. By doing so, the catalyst carrier can be surely inserted and arranged. In this way, a catalyst carrier having a predetermined shape can be inserted and arranged in all the channels, so that a high-performance catalyst reactor is manufactured.
- the corrugated fins may be brazed with their ends arranged in a non-contact state with respect to the side bars. By doing so, it is reliably avoided that the end portion of the corrugated fin is pushed by the side bar due to the influence of heat during brazing. As a result, the end of the corrugated fin (that is, the end of the side wall that contacts the tube plate) is securely brazed and fixed to the tube plate between the side bar and the vertical wall of the corrugated fin. Is done. This prevents the cross-sectional shape of the channel formed between the side bar and the vertical wall of the corrugated fin from becoming distorted, and the predetermined shape of the catalyst carrier is securely inserted into the channel. Make it possible to do. As a result, a high performance catalytic reactor is produced.
- the catalyst carrier is also inserted and arranged in the channel formed between the side bar and the vertical wall of the corrugated fin to ensure the performance of the catalyst reactor.
- a catalyst carrier having a predetermined shape is surely inserted and arranged in a channel formed between the side bar and the vertical wall of the corrugated fin. And a high-performance catalytic reactor can be manufactured.
- FIG. 2 is a cross-sectional view taken along the line II-II in FIG.
- FIG. 3 is a view corresponding to FIG. 2 showing a structure at the time of manufacturing a catalytic reactor. It is a figure corresponding to FIG. 2 which illustrates the structure of the catalyst reactor at the time of manufacturing with the conventional manufacturing method.
- FIG. 1 schematically shows a configuration of a catalytic reactor 1 according to the embodiment
- FIG. 2 shows a part of a II-II cross section of FIG.
- the vertical direction in FIG. 1 is referred to as the X direction
- the horizontal direction is referred to as the Z direction
- the direction orthogonal to the paper surface is referred to as the Y direction.
- “upper” and “lower” in the following description may not correspond to the upper and lower in an actual catalytic reactor.
- the catalytic reactor 1 basically has a core 2 having the same structure as a plate fin type heat exchanger.
- the core 2 includes a plurality of first passages 21 through which a first fluid flows and a plurality of second passages 22 through which a second fluid flows, with a tube plate 23 interposed therebetween. It is configured by alternately laminating in the Y direction as one direction (in FIG. 2, only one first passage 21 and one second passage 22 are shown). Side portions in the Z direction as the second direction in the first passage 21 and the second passage 22 are partitioned by side bars 24.
- the first fluid flows into the first passage 21 from the upper end surface of the core 2 and flows downward in the core 2 as indicated by solid arrows in FIG. It is configured to flow out in the direction.
- the second fluid flows from the lower end surface of the core 2 and flows upward in the core 2, and then flows out from the side surface at the upper end portion of the core 2 in the Z direction.
- the core 2 is configured in a counterflow type in which the first fluid and the second fluid flow in the X direction.
- the configuration of the core 2 is not limited to this, and may be a parallel flow type in which the flow directions of the first fluid and the second fluid are set in parallel with each other, or the flow directions of the first fluid and the second fluid may be different. It is good also as a crossflow type
- Corrugated fins 211 are disposed in each first passage 21 in the core 2 as shown in FIG.
- the corrugated fins 211 divide the first passages 21 into a plurality of channels that are aligned in the Z direction and extend in the X direction.
- corrugated fins 221 are also arranged in each second passage 22, and each second passage 22 is also lined up in the Z direction and partitioned into a plurality of channels extending in the X direction by the corrugated fins 221. Has been.
- the corrugated fins 211 and 221 arranged in the first passage 21 and the second passage 22 are upper walls 2111, 2112, and lower walls 2112, 2212 that are in contact with the tube plate 23, upper walls 2111, 2111, and lower walls 2112, Side walls 2113 and 2213 extending straight in the Y direction are configured to connect 2212 to each other.
- the upper walls 2111, 2111, and the lower walls 2112, 2212 correspond to horizontal walls, and the side walls 2113, 2213 correspond to vertical walls.
- each channel defined by the upper walls 2111, 2112, or the lower walls 2112, 2212, the two side walls 2113, 2213, and the tube plate 23 has a substantially rectangular cross-sectional shape. Have.
- the cross-sectional shape of the channel is not limited to this shape.
- a distributor fin 212 cut out in a triangular shape is disposed on the outflow side corresponding to the lower end of the core 2, as conceptually shown in FIG.
- the distributor fin 212 changes the flow direction in the first passage 21 from downward in the X direction to horizontal in the Z direction (leftward in FIG. 1).
- a triangular distributor fin 222 is disposed on the outflow side corresponding to the upper end portion of the core 2, so that the flow direction in the second passage 22 is X The direction is changed from the upward direction to the horizontal direction in the Z direction (rightward direction in FIG. 1).
- the upper end surface of the core 2 becomes the first fluid inflow surface 31, and the side surface in the lower portion of the core 2 becomes the first fluid outflow surface 32.
- the lower end surface of the core 2 becomes the inflow surface 33 of the second fluid, and the side surface in the upper part of the core 2 becomes the outflow surface 34 of the second fluid.
- the inflow header tank 41 for distributing and flowing the first fluid to each channel of each first passage 21 is attached to the inflow surface 31 of the first fluid with respect to the core 2.
- An inflow nozzle 411 through which the first fluid flows is attached to the inflow header tank 41.
- an outflow header tank 42 is attached for collecting and outflowing the first fluid that has passed through each channel of each first passage 21.
- An outflow nozzle 421 through which the first fluid flows out is attached to the outflow header tank 42.
- An inflow header tank 43 is attached to the inflow surface 33 of the second fluid, and an outflow header tank 44 is attached to the outflow surface 34 of the second fluid.
- the inflow header tank 43 and the outflow header tank 44 for the second fluid have the same configuration as the inflow header tank 41 and the outflow header tank 42 for the first fluid, and the inflow nozzle 431 and the outflow nozzle 441 are attached to the second fluid inflow header tank 43 and the outflow header tank 44, respectively.
- the first corrugated fin 211 in the first passage 21 is configured such that the upper end and the lower end thereof are orthogonal to the fluid flow direction (that is, the X direction).
- a second corrugated fin 213 is arranged between the first corrugated fin 211 and the distributor fin 212.
- the second corrugated fin 213 is a fin cut out in a triangular shape, and, like the first corrugated fin 211, the first passage 21 is formed into a plurality of channels arranged in the Z direction. It is configured to partition. By disposing the second corrugated fin 213 so as to face the first corrugated fin 211, each channel in the first passage 21 is continuous in the X direction.
- the first corrugated fin 221 in the second passage 22 is also configured such that the upper end and the lower end thereof are orthogonal to the fluid flow direction (that is, the X direction), and detailed illustration is omitted.
- a second corrugated fin 223 cut out in a triangular shape is disposed between the first corrugated fin 221 and the distributor fin 222.
- a catalyst carrier 215 is inserted into each channel in the first passage 21.
- the catalyst carrier 215 has a rectangular bar shape extending in the X direction and having a cross section corresponding to the cross section shape of the channel, from one end of the first corrugated fin 211. It extends over the entire area up to the other end (refer to “Catalyst insertion region of the first passage” in FIG. 1. In FIG. 1, only one catalyst carrier 215 is shown for easy understanding. Yes.)
- a rectangular bar-shaped catalyst carrier 225 extending in the X direction is inserted into each channel (see FIG. 2).
- the catalyst carrier 225 extends over the entire region from one end to the other end of the first corrugated fin 221 (see “catalyst insertion region of the second passage” in FIG. 1). In the region where the catalyst insertion region of the first passage 21 and the catalyst insertion region of the second passage 22 overlap, interaction of two catalytic reactions can be expected.
- the shape of the catalyst carriers 215 and 225 may be a cross-sectional shape corresponding to the cross-sectional shape of the channel, and illustration is omitted.
- the cross-sectional shape of the channel is a trapezoidal shape, for example, If the cross-sectional shape of the bodies 215 and 225 is also trapezoidal and the cross-sectional shape of the channel is, for example, a square shape, the cross-sectional shape of the catalyst carrier 215 and 225 may be a square shape.
- the ends of the first corrugated fins 211 and 221 are formed by cutting in the middle of the lower walls 2112 and 2212. Instead of cutting in the middle of the lower walls 2112, 2212, it may be cut in the middle of the upper walls 2111, 2112. The end of the first corrugated fin 221 cut in the middle of the lower walls 2112 and 2212 is not in contact with the side bar 24.
- the end portions 2114 and 2214 of the first corrugated fin 211 are located between the side bar 24 and the side walls 2113 and 2213 adjacent to the side bar 24 in the first corrugated fins 211 and 221 with respect to the tube plate 23.
- the brazing is fixed.
- the distance between the side bar 24 and the side walls 2113 and 2213 of the first corrugated fins 211 and 221 adjacent thereto is set to a predetermined distance.
- This predetermined interval is an interval at which the catalyst carriers 215 and 225 can be inserted.
- the distance between the side bar 24 and the side walls 2113 and 2213 is set to be the same as or substantially the same as the pitch of the side walls 2113 and 2213 in the first corrugated fins 211 and 221. Yes.
- the channels formed between the side bar 24 and the side walls 2113 and 2213 are also respectively included in the plurality of channels partitioned in the Z direction by the side walls 2113 and 2213 of the first corrugated fins 211 and 221.
- the catalyst carriers 215 and 225 having the same dimensions as the catalyst carriers 215 and 225 to be inserted can be inserted.
- corrugated fins 211, 212, 213, 221, 222, and 223 are created by cutting corrugated fins into predetermined shapes, respectively.
- the ends thereof are connected to the upper walls 2111, 2111, or the lower walls 2112, 2212 as described above. Cut at an intermediate position.
- a predetermined distance is secured between the side bar 24 and the side walls 2113 and 2213 of the corrugated fins 211 and 221 adjacent to the intermediate positions of the upper walls 2111, 2112, or the lower walls 2112, 2212.
- the cut corrugated fins 211 and 221 may be appropriately set as positions where the ends of the corrugated fins 211 and 221 are not in contact with the side bar 24.
- the separately prepared tube plate 23 and side bar 24 and corrugated fins 211, 212, 213, 221, 222, and 223 are stacked in a predetermined order.
- spacers 216 and 226 having a predetermined cross-sectional shape are inserted between the side bar 24 and the side walls 2113 and 2213 of the first corrugated fins 211 and 221 adjacent thereto.
- the spacers 216 and 226 regulate the distance between the side bar 24 and the side walls 2113 and 2213 of the first corrugated fins 211 and 221 adjacent to the side bar 24 to ensure a predetermined distance. Is for.
- the predetermined interval corresponds to an interval in which the catalyst carrier 215 can be inserted in the illustrated example.
- the spacers 216 and 226 have an elliptical cross-sectional shape, but the cross-sectional shape of the spacers 216 and 226 is not limited to this, and may be an appropriate shape such as a rectangular shape. It is possible to adopt a shape.
- the spacers 216 and 226 are also made of a material that is not brazed to a corrugated fin or the like during brazing, and is made of, for example, an elongated rod made of ceramic.
- first corrugated fins 211 and 221 are set so that the ends thereof are not in contact with the side bar 24.
- An interval between the end of the first corrugated fins 211 and 221 and the side bar 24 can be set to an appropriate interval.
- the tube plate 23, the side bar 24, and the corrugated fins 211, 212, 213, 221, 222, and 223 are fixed to each other by brazing.
- the end portions 2114 and 2214 of the first corrugated fins 211 and 221 are placed on the tube plate 23 between the side bar 24 and the side walls 2113 and 2213 of the first corrugated fins 211 and 221 adjacent thereto. It is fixed by brazing.
- the core 2 is completed.
- the spacers 216 and 226 are removed, and the channel formed between the side bar 24 and the side walls 2113 and 2213 of the first corrugated fins 211 and 221 adjacent thereto, and the first corrugated Separately prepared catalyst carriers 215 and 225 are inserted into the respective channels formed between the side walls 2113 and 2213 of the fins 211 and 221. That is, the catalyst carrier 215 in the first passage 21 is a channel that opens to the inflow surface 31 in a state where the inflow surface 31 of the first fluid that is the upper end surface of the core 2 is exposed before the header tank 41 is attached. Is inserted into each one.
- the catalyst carrier 225 in the second passage 22 opens to the inflow surface 33 in a state where the inflow surface 33 of the second fluid that is the lower end surface of the core 2 is exposed before the header tank 43 is attached. Inserted into each channel.
- the catalyst carriers 215 and 225 are not fixed in the channel. Therefore, the header tanks 41 and 43 attached to the core 2 are removed, and the inflow surface 31 and the inflow surface of the core 2 are removed. By exposing 33, replacement can be performed easily.
- the header tanks 41, 42, 43, 44 are attached to the core 2 by welding. Thus, the catalytic reactor 1 is completed.
- the Z-direction ends of the first corrugated fins 211 and 221 constituting the catalyst insertion region are connected to the lower walls 2112, 2212 or the upper walls 2111, 2111, respectively.
- a predetermined distance is secured as a distance between the side bar 24 and the side walls 2113 and 2213 of the corrugated fins 211 and 221.
- the end portions of the corrugated fins 211 and 221 are fixed to the tube plate 23 by brazing between the side bar 24 and the side walls 2113 and 2213 of the corrugated fins 211 and 221 adjacent thereto.
- the channel formed between the side bar 24 and the side walls 2113 and 2213 of the corrugated fins 211 and 221 can have a predetermined cross-sectional shape, and the catalyst carrier 215, 225 can be reliably inserted.
- catalyst carriers 215 and 225 having a predetermined shape are inserted into all channels in the core 2. Therefore, the catalytic reaction is reliably performed on the fluid passing through the core 2, and the performance of the catalytic reactor 1 is ensured.
- the spacers 216 and 226 when the core 2 is manufactured by brazing, a predetermined distance is provided between the side bar 24 and the side walls 2113 and 2213 of the first corrugated fins 211 and 221 adjacent thereto. Can be ensured. At the same time, the end portions 2114 and 2214 of the first corrugated fins 211 and 221 are reliably prevented from entering between the side bar 24 and the tube plate 23.
- the ends of the first corrugated fins 211 and 221 are not in contact with the side bar 24, so that the ends of the first corrugated fins 211 and 221 are affected by heat. It is reliably avoided that the parts 2114 and 2214 are pushed by the side bar 24. As a result, the end portions 2114 and 2214 of the first corrugated fins 211 and 221 are securely brazed to the tube plate 23 between the side bar 24 and the side walls 2113 and 2213 of the first corrugated fins 211 and 221. It becomes possible to fix.
- the catalyst carriers 215 and 225 are inserted into the channel.
- the side walls 2113 and 2213 of the first corrugated fins 211 and 221 are arranged side by side at a predetermined pitch in the Z direction, and each extends so as to connect the tube plates 23 and 23 to each other in the stacking direction. It functions as a strength member that resists internal and external pressure. For this reason, when the side walls 2113 and 2213 of the first corrugated fins 211 and 221 adjacent to the side bar 24 are arranged so as to be separated from each other, the strength is lowered at this location.
- the cross-sectional shape of the catalyst carrier 215 inserted therein is relatively small.
- the channel resistance of the channel is smaller than the channel resistance of other channels.
- the difference in flow path resistance between the channels may cause a drift in which the flow rate of some of the channels is relatively increased, and may reduce the performance of the catalytic reactor 1.
- the distance between the side bar 24 and the side walls 2113 and 2213 of the corrugated fins 211 is set so as not to cause a decrease in strength of the core 2 and corresponds to the dimensions of the catalyst carriers 215 and 225 inserted into the channels. It is desirable to set. As an example, as shown in FIG. 2 and the like, the distance between the side bar 24 and the side walls 2113 and 2213 of the first corrugated fins 211 and 221 adjacent to the side bar 24 is set between the side walls 2113 and 2213 of the corrugated fins 211 and 221. The same interval as the pitch. By doing so, there is an advantage that the catalyst carriers 215 and 225 having the same dimensions can be inserted into all the channels.
- the distance between the side bar 24 and the side walls 2113 and 2213 of the corrugated fins 211 can be made wider or narrower than the pitch between the side walls 2113 and 2213 of the corrugated fins 211 and 221.
- the catalytic reactor disclosed herein is a high-performance catalytic reactor in which a catalyst carrier is securely inserted into a channel formed between a side bar and a vertical wall of a corrugated fin. Since it is comprised, it is useful as a catalytic reactor utilized for various processes.
- first passage 211 first corrugated fin 2111 upper wall (horizontal wall) 2112 Lower wall (horizontal wall) 2113 Side wall (vertical wall) 2114 (corrugated fin) end 215 catalyst carrier 216 spacer 22 second passage 221 first corrugated fin 2211 upper wall (lateral wall) 2212 Lower wall (horizontal wall) 2213 Side wall (vertical wall) 2214 (corrugated fin) end 225 catalyst carrier 226 spacer 23 tube plate 24 side bar
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- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
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Abstract
Description
21 第1通路
211 第1のコルゲートフィン
2111 上壁(横壁)
2112 下壁(横壁)
2113 側壁(縦壁)
2114 (コルゲートフィンの)端部
215 触媒担持体
216 スペーサ
22 第2通路
221 第1のコルゲートフィン
2211 上壁(横壁)
2212 下壁(横壁)
2213 側壁(縦壁)
2214 (コルゲートフィンの)端部
225 触媒担持体
226 スペーサ
23 チューブプレート
24 サイドバー
Claims (4)
- 所定の間隔を開けて第1方向に向かい合うと共に、その間に流体が流れる通路を区画するように構成されたチューブプレートと、
前記チューブプレートによって区画された前記通路内でろう付け固定されかつ、前記第1方向に直交する第2方向について、前記通路内を複数のチャンネルに区画するように構成されたコルゲートフィンと、
向かい合った前記チューブプレートの間でろう付け固定されかつ、前記コルゲートフィンの前記第2方向の端部に隣接して前記通路の側壁を構成するサイドバーと、
前記コルゲートフィンによって区画された複数の前記チャンネルのそれぞれに挿入されて、当該チャンネルに沿って延びるように構成された触媒担持体と、を備え、
前記コルゲートフィンは、前記第1方向に向かい合った前記チューブプレートのそれぞれに対してろう付け固定される横壁と、前記第2方向に、前記触媒担持体の寸法に対応する所定の等ピッチで配置された縦壁とを含んで構成され、
前記コルゲートフィンの前記第2方向の端は、前記横壁の途中に設けられており、
前記サイドバーに隣接する前記コルゲートフィンの縦壁は、当該サイドバーとコルゲートフィンの縦壁との間に触媒担持体が挿入可能な間隔を確保するように配置され、
前記コルゲートフィンの前記第2方向の端部は、前記サイドバーと前記コルゲートフィンの縦壁との間において、前記チューブプレートに、ろう付け固定されている触媒反応器。 - 請求項1に記載の触媒反応器において、
前記サイドバーと前記コルゲートフィンの縦壁との間隔は、前記コルゲートフィンの、前記所定のピッチと同じ間隔に設定されており、前記サイドバーと前記コルゲートフィンの縦壁との間には、前記コルゲートフィンの縦壁同士の間に挿入される触媒担持体と同寸法の触媒担持体が挿入されている触媒反応器。 - 横壁と縦壁とを含んだコルゲートフィンについて、横壁の途中位置で切断することにより、所定の大きさのコルゲートフィンを切り出す工程と、
前記切り出したコルゲートフィンを、その横壁がチューブプレートに当接する向きで当該チューブプレートによって挟み込むと共に、チューブプレート同士の間で、前記コルゲートフィンの端部の縦壁に隣接するようにサイドバーを配置し、これらをろう付けする工程と、
前記ろう付けを行う際に、前記サイドバーと、それに隣接する前記コルゲートフィンの縦壁との間に所定の間隔を確保するように、スペーサを介在する工程と、
前記ろう付けの終了後に、前記コルゲートフィンの縦壁同士の間に形成されたチャンネル内に触媒担持体を挿入すると共に、前記スペーサを取り除いた前記サイドバーと前記コルゲートフィンの縦壁との間に形成されたチャンネル内に、触媒担持体を挿入する工程と、を備えている触媒反応器の製造方法。 - 請求項3に記載の触媒反応器の製造方法において、
前記ろう付け工程においては、前記コルゲートフィンを、その端が前記サイドバーに対して非接触の状態に配置して、ろう付けを行う触媒反応器の製造方法。
Priority Applications (5)
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EP14753642.9A EP2942101A4 (en) | 2013-02-22 | 2014-02-18 | CATALYTIC REACTOR AND METHOD FOR PRODUCING THE CATALYTIC REACTOR |
EA201591551A EA201591551A1 (ru) | 2013-02-22 | 2014-02-18 | Каталитический реактор и способ его изготовления |
US14/769,435 US20160001256A1 (en) | 2013-02-22 | 2014-02-18 | Catalytic reactor and method for manufacturing catalytic reactor |
CN201480007873.3A CN104994950A (zh) | 2013-02-22 | 2014-02-18 | 催化剂反应器及催化剂反应器的制造方法 |
BR112015019193A BR112015019193A2 (pt) | 2013-02-22 | 2014-02-18 | reator catalítico e método para a fabricação de um reator catalítico |
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JP2013033775A JP2014161777A (ja) | 2013-02-22 | 2013-02-22 | 触媒反応器及び触媒反応器の製造方法 |
JP2013-033775 | 2013-02-22 |
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US (1) | US20160001256A1 (ja) |
EP (1) | EP2942101A4 (ja) |
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US10124452B2 (en) * | 2013-08-09 | 2018-11-13 | Hamilton Sundstrand Corporation | Cold corner flow baffle |
PL3517878T3 (pl) * | 2018-01-25 | 2021-05-04 | Air Products And Chemicals, Inc. | Dystrybutor dla płytowo-żebrowego wymiennika ciepła |
FR3088996B1 (fr) * | 2018-11-26 | 2020-12-25 | Air Liquide | Procédé de fabrication d’un échangeur comprenant une zone à supporter et échangeur fabriqué par un tel procédé |
CN114390946A (zh) * | 2019-11-13 | 2022-04-22 | 株式会社Ihi | 将填充部件插入反应装置中的夹具 |
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- 2014-02-18 CN CN201480007873.3A patent/CN104994950A/zh active Pending
- 2014-02-18 EA EA201591551A patent/EA201591551A1/ru unknown
- 2014-02-18 BR BR112015019193A patent/BR112015019193A2/pt not_active IP Right Cessation
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EP2942101A1 (en) | 2015-11-11 |
US20160001256A1 (en) | 2016-01-07 |
EP2942101A4 (en) | 2016-01-27 |
CN104994950A (zh) | 2015-10-21 |
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