EP2069703B1 - Échangeur de chaleur - Google Patents

Échangeur de chaleur Download PDF

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Publication number
EP2069703B1
EP2069703B1 EP07786074A EP07786074A EP2069703B1 EP 2069703 B1 EP2069703 B1 EP 2069703B1 EP 07786074 A EP07786074 A EP 07786074A EP 07786074 A EP07786074 A EP 07786074A EP 2069703 B1 EP2069703 B1 EP 2069703B1
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EP
European Patent Office
Prior art keywords
heat exchanger
tubes
tube
modules
rows
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Not-in-force
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EP07786074A
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German (de)
English (en)
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EP2069703A1 (fr
Inventor
Ralf Landmann
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.)
Grenzebach BSH GmbH
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Grenzebach BSH GmbH
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Publication of EP2069703A1 publication Critical patent/EP2069703A1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F28D7/163—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing

Definitions

  • the invention relates to a heat exchanger with a tube bundle heat exchanger unit according to the preamble of claim 1, which is used for the thermal treatment of a substance.
  • the substance to be treated may be a fluid, i. H. a gas or a liquid, or a fluidized or free-flowing solid.
  • a shell-and-tube heat exchanger for bulk goods is, for example, a shaft cooler, which is also called a return cooler or contact cooler.
  • a heat exchanger has devices for supplying and / or removing the heating or cooling medium, referred to below as working medium.
  • a generic heat exchanger, a well cooler, is from the EP 0 934 498 B known.
  • the horizontally extending tubes of its tube bundle heat exchanger unit, ie its cooling unit, are arranged in several, mutually superposed rows of tubes, in successive rows of tubes offset from one another.
  • the tubes are aligned through the rows of tubes obliquely to the vertical and thus obliquely to the rows of tubes themselves.
  • the tubes are provided with a device for supplying working fluid and at the other end with a device for its removal. In operation, the bulk material flows along the cooling surfaces formed by the tubes from top to bottom through the heat exchanger unit.
  • the tubes are subdivided into a plurality of tube bundles lying one above the other, each tube bundle being connected to a device for feeding and a device for removing working medium.
  • Heat exchangers with an arrangement of the tubes in tube bundles can be used in a variety of industrial processes.
  • the area of the volumetric flow of the substance to be treated is determined by the total, free flow surface of a row of pipes, which depends on the cross section and the number of their tubes.
  • the throughput of the working fluid in which several tube bundles are connected in parallel in the direction of the working medium, the throughput of the working fluid, but not the throughput of the substance to be treated, can be increased.
  • the object of the invention is to develop a heat exchanger according to the preamble of claim 1, which can be easily adapted to a wide variety of services.
  • a heat exchanger unit of a heat exchanger according to the invention is provided with one or more heat exchanger Mödulen each having an equal number N of tubes.
  • the devices for the supply and / or removal of working fluid at both ends of the tubes of a heat exchanger module each have a connecting device with a tube plate.
  • the tube plate is formed at its edge in a waveform which is predetermined by the outer tubes.
  • the waveform on the side surfaces of a heat exchanger module results from the pipes arranged offset in rows of tubes.
  • the wave form of the tube plate is designed in such a way that, when joining two heat exchanger modules, at least the tubesheets of the two heat exchanger modules mesh tooth-shaped.
  • the waveform may be characterized by more linear rises and drops, e.g. Tooth-shaped with pointed or rounded teeth, and / or by more asymptotic increases and decreases, e.g. B. sinusoidal, and / or those with different radii, be formed.
  • the tubes of adjacent rows of tubes protrude into the interstices of the rows of tubes.
  • This particularly dense arrangement of the tubes improves the intensive heat exchange and leads to an even more compact design.
  • a heat exchanger unit composed of a plurality of heat exchanger modules therefore has an arrangement of the tubes extending uniformly over the heat exchanger modules. That is, both the arrangement of the tubes in successive rows of tubes offset from each other and the alignment of the tubes through the rows of tubes obliquely to the rows of tubes continues from one heat exchanger module to the next. There are no lanes formed in the flow due to different pipe distances. At the transition between your heat exchanger modules no solid walls are needed.
  • the common alignment lines allow easy cleaning of the pipes. Possible cleaning directions are indicated by the arrows D in FIG. 1 indicated.
  • the heat exchanger modules can also be connected in series via their connecting devices.
  • the connecting devices can form deflections for the working medium, so that the heat exchanger modules can be flowed through depending on the number of deflections with a different amount of working fluid.
  • the connecting devices may be box-shaped according to claim 2 and each in addition to the tube plate have a frame and possibly a lid.
  • a lid may be provided with one or more nozzles for the supply and / or removal of working fluid.
  • Connecting devices on outer sides of a heat exchanger unit may have covers. Connected in series connecting devices can be connected without a lid on their frames.
  • a frame may be formed wave-shaped at least in an adjoining the tube plate area.
  • the frame may be divided according to claim 3 in a subsequent to the tube plate wave-shaped frame and a flange frame with a small cross-sectional area and smooth walls.
  • a transverse frame may be provided, on the outer edge of the wavy frame and on the inner edge of the flange frame may be attached.
  • the reduction in cross-section of the frame in the region of the flange frame has the advantage that straight side edges can be provided for the flange frame itself and a cover.
  • the reduction in cross-section provides space for fasteners for connecting the heat exchanger modules.
  • the lid of the flange frame may have a running at the top, the straight side edges forming cover flange to which the lid can be attached.
  • the wavy frame may e.g. be designed as a corrugated sheet metal frame. This is a simple component for generating the desired waveform.
  • the connecting devices according to claim 4 pipe elbow and optionally have pipe socket.
  • the pipe elbows and pipe sockets are attached to the tube plates in such a way that the tubes open into the elbows and into the pipe sockets.
  • outer, possibly also middle, pipes are connected to pipe sockets. All the tubes of one of the connecting devices of a heat exchanger module can be connected by means of elbows.
  • a connecting device can according to claim 5 have at least one extending between two rows of tubes, wavy bulkhead plate.
  • partition plates chambers can be formed in the connecting devices and the tubes of a heat exchanger module are supplied differently with working fluid. Ie. Through the baffle plates multiple internal deflections of the working fluid can be formed in the heat exchanger module, thereby adjusting the flow rate of the working fluid.
  • the tubes may be arranged according to claim 6 such that they are aligned through the rows of tubes at an angle of 45 ° to the rows of tubes.
  • a heat exchanger module can also be tilted by 90 ° with this arrangement of the tubes connected to other heat exchanger modules. This increases the versatility of the heat exchanger.
  • the heat exchanger modules may according to claim 7 have an aspect ratio of 1: 2. This allows a heat exchanger z. B. to provide with three heat exchanger modules, wherein two are joined together at their longer sides of the cross section and the third, tilted at 90 °, is joined to the shorter sides of the cross section of the first two heat exchanger modules.
  • a heat exchanger according to the invention can additionally have a heat exchanger module with a number N / 2 of tubes and / or a heat exchanger module with a number N / 4 of tubes.
  • the heat exchanger module with N tubes can be provided as a cuboid standard module, which can be aligned in two directions rotated by 90 ° to each other.
  • the short side of the cross section is half as long as the longer side of the cross section.
  • One or more standard modules which may be arranged in a heat exchanger unit in any orientation next to each other, one above the other and / or behind each other, may be supplemented by such special modules with N / 2 tubes and / or N / 4 tubes.
  • the number N of tubes may be, for example, 50 to 1000 tubes.
  • the heat exchanger modules may according to claim 9 alternatively have an aspect ratio of 1: 3.
  • the heat exchanger modules may also be used as standard modules with other aspect ratios, e.g. be of 1: 2.5, be formed and possibly be composed with appropriate special modules to a heat exchanger unit.
  • the tubes of the heat exchanger modules according to claim 11 can extend horizontally. These heat exchangers can be used for the heat treatment of bulk material.
  • the cross-section of the tubes may be of any desired design, e.g. round, polygonal, oval or rectangular, possibly existing horizontally extending curves or edges are aligned upward.
  • the corresponding devices can have, in addition to the connecting devices according to claim 12, one or more outer tube arrangements.
  • the outer pipe arrangements can be constructed as tubular columns, the pipe columns having pipe elements and compensators connected to the connecting apparatuses.
  • the tubular elements may be formed as T-pieces, for example.
  • the tube columns are each supported as a whole by a respective compensator at their ends.
  • An inventive heat exchanger of a first example is designed as a heat exchanger for bulk material. It has a tube bundle heat exchanger unit whose tubes 2 are arranged in three heat exchanger modules 1. Two of the heat exchanger modules 1 are vertically aligned, i. the longer sides of their cross-section are vertical, and arranged side by side. The third horizontally oriented heat exchanger module 1 is arranged transversely above the other two. Its longer sides are horizontal.
  • Each heat exchanger module 1 has a certain number N of horizontally extending tubes 2.
  • the cross section of the tubes 2 is round.
  • the tubes 2 are in several, superimposed rows of tubes 3, in successive rows of tubes 3 offset from each other, arranged. They are arranged through the rows of tubes 3 obliquely to the vertical aligned. In this example, the tubes are arranged so close that the tubes 2 adjacent rows of tubes 3 protrude into the interstices of the tube rows 3.
  • the number N of tubes 2 of each heat exchanger module 1 is 144. These 144 tubes 2 are split parallel to the longer side of the cross section of the heat exchanger module 1 on twelve superimposed rows of tubes 3, each with twelve tubes 2. At the same time, the tubes 2 are divided parallel to the shorter side in twenty-four rows of tubes 3, each with six tubes 2.
  • the distance of the rows of tubes 3 is chosen so that the tubes 2 are aligned through the rows of tubes 3 at an angle of 45 ° to the horizontal and also to the vertical. They are arranged in superimposed vertically extending rows of tubes 3 in the same way offset from each other as in superimposed, horizontal 3. That is, the distances between the next tubes 2 different pipe rows 3 are the same in all directions.
  • the heat exchanger modules 1 can be arranged arbitrarily vertically and horizontally, wherein the alignment of the tubes 2 continues from a heat exchanger module 1 to the next.
  • the same arrangement of the tubes 2 and the described division of the tubes 2 on the rows of tubes 3 results in that the shorter side of the cross section is half as long as the longer side. That means the aspect ratio is 1: 2.
  • Devices of the heat exchanger unit for the supply and / or removal of working fluid have connecting devices 4, which are respectively arranged at both ends of the heat exchanger modules 1.
  • the connecting devices 4 are in this example box-shaped, in particular cuboid, formed.
  • Each connecting device 4 has a tube plate 5, a frame and a cover 6.
  • the tube plate 5 is provided with openings 5a for the tubes 2.
  • the tube plate 5 is formed at its edge and at least one subsequent to the tube plate 5, wavy frame 7 in a predetermined by the outer tubes 2 waveform.
  • the waveform is such that when joining two heat exchanger modules 1, the outer tubes 2, the tube plate 5 and the wave-shaped frame 7 of the two heat exchanger modules 1 mesh tooth-shaped.
  • the waveform is formed by a common zig-zag shape of the edge of the tube plate 5 and the wave-shaped frame 7.
  • the frame is divided into the wave-shaped frame 7 and a flange frame 8 having a smaller cross-sectional area.
  • the wave-shaped frame 7 is connected to the flange frame 8 via a cross-section reducing transverse frame 9, wherein the wave-shaped frame 7 are fixed to the outside and the flange frame 8 inside the transverse frame 9.
  • the wave-shaped frame 7 is formed as a frame with zigzag-shaped walls and the flange frame 8 as a frame with smooth walls.
  • the flange frame 8 has a circumferential at its upper edge outer flange 10 to which the lid 6 is attached.
  • the lid 6 has two nozzles 11 for the supply and / or discharge of working fluid, which are arranged along a center line parallel to the longer side of the lid 6 centrally in the respective half.
  • the heat exchanger unit in each case has an outer wall 12 which, at least in the region of Pipe plates 5 is formed to match the waveform.
  • the waveform is such that the outer wall 12 engages tooth-shaped in the tube plates 5.
  • the outer walls 12 of this example are in total, d. H. in the region of the tube plates 5 and in the region of the outer tubes 2, wavy.
  • the outer walls 12 in the region of the tube plates 5 a wave-shaped portion, for.
  • a plane section e.g. a smooth sheet.
  • the outer walls 12 may be formed as double walls with an insulating layer between the two walls of the double wall. They can be hinged and hinged. You can also have doors.
  • the tubes may have a square cross section and be aligned with their edges upwards.
  • An arrangement of tubes with upwardly directed edges is in the already cited EP 0 934 498 B1 described.
  • the lateral outer tubes 2 of the heat exchanger modules 1 may be provided with removable side plates.
  • Such side plates are also in the EP 0 934 498 B1 described.
  • the side panels are arranged on the upper curves or edges or outer lateral surfaces and extend over the entire length of the tubes 2 between the connecting devices 4.
  • the side plates extend the alignment lines outwards or run parallel to them. They have a height which is 1.2 to 5 times, in particular 1.5 to 4 times, the average distance of the tubes along the alignment lines.
  • these side plates can additionally be used.
  • heat exchanger modules 1 can be arranged one behind the other.
  • three further heat exchanger modules 1 can be connected behind that of this example by connecting the cover flanges 10 of the corresponding connecting devices 4 to one another. In this case, the cover 6 are omitted for these connecting devices 4.
  • the heat exchanger may comprise a heat exchanger module 1 with a number of N / 2 tubes.
  • a half upper heat exchanger module ie a Heat exchanger module with a number of N / 2, ie 72, pipes 2 needed.
  • a heat exchanger module with a number of N / 4, ie 36, tubes 2 could be used.
  • the supply of a substance to be treated from above and the removal of the treated substance downwards are indicated by arrows A and B.
  • As a work tool z. As water, steam or thermal oil can be used.
  • the supply and possibly the removal of working fluid are indicated by arrows C.
  • a heat exchanger according to the invention as in the EP 0 934 498 B1 Chute cooler described be constructed with a supply unit and a trigger unit.
  • This shaft cooler is hereby incorporated by reference.
  • Example 2 corresponds to Example 1 except for the following features:
  • each extending between two rows of tubes 3 bulkhead plates 13 are provided.
  • FIG. 3 shows possible arrangements of bulkheads 13 in front and / or rear connecting devices 4.
  • bulkheads 13 may be arranged, which extend in the middle parallel to the longer side of the cross section and thus horizontally.
  • the bulkhead plates 13 each extend from the tube plate 5 to the lid 6 of the connecting device 4 and terminate at the sides with the frame. For this purpose, the sides have a step at the transition from the wave-shaped frame 7 to the flange frame 8.
  • the partition plates 13 extend undulating between the openings 5a, into which the tubes 2 of two adjacent rows of tubes 3 open, d. H. its waveform is given by the tubes 2 of these rows of tubes 3.
  • the connecting devices 4 are divided into chambers 14 and thereby formed deflections for the working fluid.
  • Example 3 corresponds to Example 2 except for the following features:
  • the heat exchanger unit comprises a heat exchanger module 1 for operation; in which the working medium is redirected in three ways.
  • a heat exchanger module 1 for operation; in which the working medium is redirected in three ways.
  • two partition plates 13a are arranged for this purpose, and a partition plate 13b is arranged in the rear connection device 4.
  • the front connecting device 4 is divided by the two partition plates 13a into a chamber 14 in the lower quarter, a middle chamber 14 and a chamber 14 in the upper quarter of the connecting device 4.
  • the rear connecting device 4 is divided by the bulkhead plate 13b into a lower and an equal upper chamber 14.
  • FIG. 5 To-see lid 6 of the front connection device 4 of this heat exchanger module 1 is provided with two nozzles 11 for supplying and / or discharge of working fluid, which are each arranged in the outer quarters of the lid 6.
  • a rear cover 6 is formed as a cover 6 without nozzle 11.
  • nozzle 11 of a rear cover 6 may be provided with blind flanges.
  • working means are introduced through the lower nozzle 11 in the front, lower chamber 14, flow through the tubes 2 of the lower quarter of all tubes 2, are deflected in the rear, lower chamber 14, through the next higher quarter of the tubes 2 flow back, are deflected in the front, middle chamber 14, flow through the next higher quarter, are deflected in the rear, upper chamber 14, back flow through the upper quarter of the tubes 2 and through the upper port 11 from the front, upper chamber 14 are discharged.
  • This heat exchanger unit according to the invention corresponds to that of Example 1 except for the following features:
  • the heat exchanger modules 1 are provided with connecting devices 4, which in addition to the tube plates 5 pipe elbow 15 and pipe socket 16.
  • the pipe elbows 15 and the pipe sockets 16 are fastened to the pipes 2 protruding somewhat from the pipe plates 5, namely welded, so that the pipes 2 open through the openings 5a into the pipe elbows 15 and into the pipe sockets 16.
  • the heat exchanger module 1 shown in the front connecting device 4 of the twenty-four stacked rows of tubes 3 of six tubes 2 the bottom, two middle and the top row of tubes 3 are provided with pipe socket 16.
  • the six tubes 2 of the remaining rows of tubes 3 are connected in each case via elbows 15 with those of a next row 3.
  • In this example are in the rear connecting device 4 all tubes 2 in rows connected by elbows 15.
  • the pipe socket 16 of the lower of the two middle rows of tubes 3 may be connected to those of the upper of the middle rows of tubes 3.
  • the working fluid can flow through the entire heat exchanger module 1 in rows, in comparison to the o. G.
  • Alternative half of the work equipment is used.
  • the heat exchanger unit of Example 5 corresponds to that of Example 1 except for the following features: It has five heat exchanger modules 1, wherein each two vertically oriented heat exchanger modules 1 side by side, the pairs one above the other and the fifth heat exchanger module 1 arranged horizontally above are.
  • the devices for the supply and / or discharge of working fluid have, in addition to the heat exchanger modules 1 associated connection devices 4, outer pipe arrangements, which are each formed as two on both sides of the heat exchanger modules 1 extending tubular columns.
  • the tube columns comprise tube elements and compensators 17 connected to the connection devices 4.
  • the tube elements are designed as double T-pieces 18 and double T-pieces 19, with the two connections of the double T-pieces 18 in series one behind the other and the two connections of the double tee 19 are arranged parallel to each other.
  • the tube columns have at their lower and at their upper end and in the region between the heat exchanger modules 1 compensators 17.
  • the tube columns are each supported as a whole via a respective compensator 17 at their ends. This arrangement of the tube columns with compensators 17 relieve the nozzle 11 of shear forces generated by the internal pressure of the working fluid.
  • left tubular column comprises from bottom to top connected together a compensator 17 and a double tee 18 in front of the lower left heat exchanger module 1, a compensator 17 and a double tee 18 with a another port 18a before the middle, left heat exchanger module 1, a Compensator 17, one half of a double tee 19 in front of the upper heat exchanger module 1 and a compensator 17.
  • the double T-pieces 18 and the two-piece tee 19 are to the nozzle 11 of the cover 6 of the corresponding heat exchanger modules 1 connected.
  • a bulkhead plate 20 is installed, which shuts off the flow path of the working fluid, if necessary, except for a small opening for venting.
  • a bulkhead plate 20 is also installed.
  • Another bulkhead 20 is installed at the lower left end of the dual T-piece 19.
  • the right front tubular column is constructed the same, except that it has a second double tee 18 without further connection 18a and the dual T-piece 19 has no bulkhead 20 at its lower right end.
  • the rear pillars of the pipe in FIG. 7 can be seen in the right side view, correspond to the right, front tube column except for the arrangement of the bulkhead plates 20, which at an upper end and at the two lower ends of the double tee 19 and at the lower ends of the lower double-T Pieces 18 are located.
  • the two front pipe columns are open at their lower ends, so that can be connected to these supplies for work equipment. They are closed at the top.
  • the rear tube columns are closed at their lower ends by the bulkhead plates 20.
  • One of the rear pipe columns is open at its top end, so that except for the connection 18a also to a rear pipe column, a discharge for work equipment can be connected.
  • the working fluid is supplied from below through the front tubular columns and passed through the lower double tees 18 of the front tubular columns to the nozzle 11 and the connecting devices 4 from the front through the tubes 2 of the lower two heat exchanger modules 1.
  • the working fluid from the tubes 2 is guided via the connecting devices 4 in the rear tubular columns.
  • the working fluid is deflected via the first and second double tees 18 and guided via the rear connecting devices 4 through the two middle heat exchanger modules 1 and their front connecting devices 4 in the front tubular columns.
  • a partial flow of the working fluid is discharged through the port 18a of the double tee 18 of the right front tubular column.
  • the other partial flow is passed through the upper heat exchanger module 1 and its connecting devices 4 and discharged through the open upper end of the double T-piece 19 of the rear tubular columns.
  • the working medium without internal deflection is guided in total through the heat exchanger modules 1, with two parallel-connected heat exchanger modules 1 are connected in series. Half of the working fluid is then led out of the heat exchanger unit, the other half of the working fluid is passed through the upper, transverse heat exchanger module 1.
  • the heat exchanger unit of Example 6 corresponds to that of Example 5 except for the following features: It is designed for half of the working medium that can be used in Example 5. For this purpose, one-time internal deflections are provided for the working fluid as it flows through the lower and middle heat exchanger modules 1.
  • the heat exchanger unit has two similarly constructed front tubular columns.
  • the tubular columns are each provided with two superimposed double T-pieces 18, which are each divided by a bulkhead plate 20, and each a simple T-piece 21 provided at the upper ends of the two tubular columns.
  • the arrangement of the compensator 17 corresponds to that of Example 5.
  • the front connecting devices 4 of the lower four heat exchanger modules 1 comprise centrally arranged, horizontally extending partition plates 13.
  • the corresponding rear connecting devices 4 are provided with lids 6 without connecting pieces 11.
  • the rear connecting device 4 of the upper, transverse heat exchanger module 1 has, like that of Example 5, a lid 6 with two nozzles 11.
  • the heat exchanger unit of Example 7 corresponds to that of Example 6 except for the following features: It is designed for a quarter of the working medium used in Example 5. For this purpose, three internal deflections for the working fluid in flowing through the lower and middle heat exchanger modules 1 are provided.
  • the heat exchanger unit has two front tubular columns whose tube elements and compensators 17 have smaller diameters than those of Examples 5 and 6.
  • the front tubular columns have from bottom to top each a double tee 22, a double tee 22 with cross connections 22a for a horizontal connection of the two tubular columns and a simple tee 23.
  • the double tees 22 are each subdivided between the T-terminals by a bulkhead plate 20, wherein the bulkhead plates 20 of the upper double T-pieces 22 are arranged below the crossing terminals 22a.
  • Another bulkhead 20 closes the connection between the double tee 22 and the simple tee 23 of the left column tube.
  • compensators 24 are provided for the compensation of forces in the horizontal direction at the horizontal connection of the two tubular columns.
  • a compensator 24 is provided as a connection between the intersection terminals 22a of the double tees 22 of the two pipe columns and two more at the free intersection terminals 22a, d. H. at supported ends of the horizontal connection, arranged.
  • the front connecting devices 4 of the lower and middle heat exchanger modules 1 are provided with two horizontally extending partition plates 13 and lids 6 with two stubs 11.
  • the rear connecting devices 4 are provided with a horizontally extending bulkhead plate 13 and with lids 6 without nozzle 11.
  • the bulkhead plates 13 of the front connecting devices 4 extend in the wavy frame 7 and go within the connecting device 4 at the transition to the flange frame 8 in rectangular, to the ceiling 6 abutting distribution plates 25 on. They form with these a stepped guide of the working fluid from the nozzle 11 to the tubes 2 or from the tubes 2 to the nozzle 11, so that only the corresponding quarter of the tubes 2 is connected to the nozzle 11.
  • This arrangement with distribution plates 25 allows an arrangement of the nozzle 11 in the middle of the respective upper or lower half of the heat exchanger modules. 1
  • the front connecting device 4 of the upper, fifth heat exchanger module 1 has a centrally arranged, horizontally extending bulkhead plate 13, a distribution plate 26 and a lid with two nozzles 27 of larger diameter.
  • the two connecting pieces 27 are also each arranged in the middle of the respective half of the cherries (2004) module 1 and connected to the right and the left column tube.
  • the distribution plate 26 has a horizontally extending in the flange frame 8 and diagonal section which abuts the ceiling 6. This section is followed by two vertical triangular cover sections. These cover sections connect the horizontal section with the bulkhead plate 13, which extends in the wavy frame 7. The cover sections abut the transverse frame 9. The distribution plate 26 and the bulkhead plate 13 form a guide for the working medium to or from the tubes 2 of the corresponding half of the upper heat exchanger module 1.
  • Verteilbleche 25, 26 allows the use of sufficiently large nozzle 11, in particular larger nozzle 27, as well as an aligned arrangement of the nozzle 11, 27 for the two tubular columns.
  • one half of the working fluid is performed.
  • the two halves of the working fluid are brought together, in which the working fluid from the left tubular column via the connection between the two tubular columns, d. H. via the cross-connections 22b and the compensator 24, is guided in the right column tube.
  • the entire working fluid is supplied to the upper heat exchanger module 1 through the corresponding thicker, right nozzle 27 and passed through the distribution plate 26 in the lower chamber 14 formed by the partition plate 13.
  • the working medium flows through the tubes 2 of the lower half is deflected in the rear connecting device 4, flows through the tubes 2 of the upper half, is passed through the partition plate 26 and the distribution plate 26 in the front connecting device 4 to the nozzle 27 and leaves the upper heat exchanger module 1.
  • the distribution plate 26 may have a horizontal portion which extends in steps through the flange frame 8 and which abuts the ceiling 6.
  • This horizontal section consists of two side panels and a central section.
  • the middle part extends parallel to the shorter sides of the cross section through the middle.
  • At the middle part close to the two side parts, which extend along the longer sides of the cross section.
  • the side parts may be formed by the flange frame 8.
  • the horizontal section is followed by two vertically extending square cover sections.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
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  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
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Claims (12)

  1. Échangeur de chaleur comprenant une unité d'échangeur thermique à faisceau tubulaire comprenant des tubes (2) qui sont disposés en étant décalés les uns des autres dans des séries de tubes successives (3) et en alignement à travers les séries de tubes (3) en inclinaison par rapport aux séries de tubes (3), et des dispositifs pour l'alimentation et/ou l'évacuation de substances actives aux extrémités des tubes (2), comprenant un ou plusieurs modules d'échangeurs thermiques (1) possédant respectivement un nombre égal N de tubes (2),
    dans lequel les dispositifs pour l'alimentation et/ou l'évacuation de substances actives aux deux extrémités des tubes (2) d'un module d'échangeur thermique (1) présentent respectivement un dispositif de liaison (4) comprenant une plaque tubulaire (5),
    caractérisé en ce que la plaque tubulaire (5) est réalisée, à l'endroit de son bord, pour prendre une forme ondulée prédéfinie par les tubes externes (2), de telle sorte que lors de l'assemblage de deux modules d'échangeurs thermiques (1) les plaques tubulaires (5) des deux modules d'échangeurs thermiques (1) viennent s'engrener l'une dans l'autre à la manière de dents.
  2. Échangeur de chaleur selon la revendication 1, caractérisé en ce que les dispositifs de liaison (4) sont réalisés en forme de boîtes et présentent respectivement, en plus de la plaque tubulaire (5), un cadre et le cas échéant un couvercle (6), le cadre étant réalisé pour prendre une forme ondulée, au moins dans une zone adjacente à la plaque tubulaire (5).
  3. Échangeur de chaleur selon la revendication 2, caractérisé en ce que le cadre est subdivisé en un cadre (7) de forme ondulée et en un cadre à bride (8) possédant une aire de section inférieure et des parois lisses.
  4. Échangeur de chaleur selon la revendication 1, caractérisé en ce que les dispositifs de liaison (4) présentent des raccords coudés (15) et, le cas échéant des tubulures (16).
  5. Échangeur de chaleur selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'on prévoit, dans le dispositif de liaison (4), respectivement au moins une tôle de forme ondulée (13) faisant office de cloison, s'étendant entre deux séries de tubes (3).
  6. Échangeur de chaleur selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les tubes (2) sont disposés en alignement à travers les séries (3) en formant un angle de 45° par rapport aux séries de tubes (3).
  7. Échangeur de chaleur selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les modules d'échangeurs thermiques (1) présentent un rapport largeur/hauteur de 1:2.
  8. Échangeur de chaleur selon la revendication 7, caractérisé en outre par au moins un module d'échangeur thermique possédant un nombre N/2 de tubes (2) et/ou au moins un module d'échangeur thermique possédant un nombre N/4 de tubes (2).
  9. Échangeur de chaleur selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les modules d'échangeurs thermiques (1) présentent un rapport largeur/hauteur de 1:3.
  10. Échangeur de chaleur selon la revendication 9, caractérisé en outre par au moins un module d'échangeur thermique possédant un nombre 2 N/3 de tubes (2) et/ou au moins un module d'échangeur thermique possédant un nombre N/3 de tubes (2).
  11. Échangeur de chaleur selon l'une quelconque des revendications 1 à 10, caractérisé en ce que les tubes (2) des modules d'échangeurs thermiques (1) s'étendent à l'horizontale, leurs arêtes ou leurs arrondis s'étendant en direction horizontale étant le cas échéant orientés vers le haut.
  12. Échangeur de chaleur selon l'une quelconque des revendications 1 à 11, dans lequel les dispositifs pour l'alimentation et/ou l'évacuation de substances actives présentent des agencements tubulaires externes, caractérisé en ce que les agencements tubulaires externes sont réalisés sous la forme de colonnes tubulaires, les colonnes tubulaires présentant des éléments tubulaires et des compensateurs (17) raccordés aux dispositifs de liaison (4).
EP07786074A 2006-09-26 2007-07-14 Échangeur de chaleur Not-in-force EP2069703B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006045807A DE102006045807A1 (de) 2006-09-26 2006-09-26 Wärmetauscher
PCT/EP2007/006272 WO2008037309A1 (fr) 2006-09-26 2007-07-14 échangeur de chaleur

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EP2069703A1 EP2069703A1 (fr) 2009-06-17
EP2069703B1 true EP2069703B1 (fr) 2010-01-27

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AT (1) ATE456779T1 (fr)
DE (2) DE102006045807A1 (fr)
WO (1) WO2008037309A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009036119A1 (de) 2009-08-05 2011-02-10 Uhde Gmbh Verfahren und Vorrichtung zur Kühlung eines feinkörnigen Feststoffes bei gleichzeitigem Austausch des darin enthaltenen Lückenraumgases
HUE053086T2 (hu) * 2016-08-14 2021-06-28 Dallmann Eng & Service Szilárdanyag-hõcserélõ modul

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Publication number Priority date Publication date Assignee Title
DE7923973U1 (de) * 1980-01-17 Hausmann, Karl-Heinrich, Prof. Dr.- Ing., 5100 Aachen Rohrwärmetauscher
US3889642A (en) * 1973-08-31 1975-06-17 Automation Ind Inc Modular cast iron fin tube boiler
NL8403934A (nl) * 1984-12-24 1986-07-16 Gen Electric Warmtewisselaar.
WO1998017959A1 (fr) * 1996-10-23 1998-04-30 Babcock-Bsh Gmbh Refroidisseur de puits
DE10042746A1 (de) * 2000-08-31 2002-03-28 Degussa Verfahren und Vorrichtung zum Durchführen von Reaktionen in einem Reaktor mit spaltförmigen Reaktionsräumen
ITTO20010401A1 (it) * 2001-04-27 2002-10-27 Magneti Marelli Climat Srl Scambiatore di calore di materiale plastico.
ITBO20020266A1 (it) * 2002-05-07 2003-11-07 Roberto Padovani Dispositivo scambiatore di calore e relativo metodo di realizzazione

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EP2069703A1 (fr) 2009-06-17
DE102006045807A1 (de) 2008-04-03
WO2008037309A1 (fr) 2008-04-03
DE502007002768D1 (de) 2010-03-18
ATE456779T1 (de) 2010-02-15

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