EP2304370B1 - Jeu d adaptation pour un échangeur de chaleur à faisceau tubulaire - Google Patents
Jeu d adaptation pour un échangeur de chaleur à faisceau tubulaire Download PDFInfo
- Publication number
- EP2304370B1 EP2304370B1 EP08773495A EP08773495A EP2304370B1 EP 2304370 B1 EP2304370 B1 EP 2304370B1 EP 08773495 A EP08773495 A EP 08773495A EP 08773495 A EP08773495 A EP 08773495A EP 2304370 B1 EP2304370 B1 EP 2304370B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate
- heat exchanger
- plates
- conversion set
- tube bundle
- 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.)
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 23
- 238000012546 transfer Methods 0.000 claims abstract description 57
- 238000003466 welding Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005984 hydrogenation reaction Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Images
Classifications
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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
- F28D9/0012—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 apparatus having an annular form
-
- 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
- F28D9/0031—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 paired plates touching each other
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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
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
-
- 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
- F28F9/005—Other auxiliary members within casings, e.g. internal filling means or sealing means
-
- 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
- F28F2275/06—Fastening; Joining by welding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2280/00—Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
- F28F2280/02—Removable elements
Definitions
- the invention relates to a conversion kit for a cylinder housing having a tube bundle heat exchanger.
- Tube bundle heat exchangers are frequently used in industrial process plants.
- a shell-and-tube heat exchanger usually consists of an outer shell and an inner shell and an inner shell, i. arranged in the housing, tube bundle. Between these two separate rooms, the exchange of process heat takes place. The heat from a first hot heat transfer medium is absorbed by a second heat transfer medium to be heated, whereby the energy transfer is realized.
- Tube bundle heat exchangers are very stable and therefore also suitable for use in applications with high pressures, for example in hydrogenation plants in which a pressure of over 300 bar can prevail. The pressure differences occurring in these applications between the heat transfer medium flowing in the housing and the second heat transfer medium flowing in the tubes, so far only allowed the use of Rohrbündel Anlagen (2004).
- tube bundle heat exchangers Disadvantage of tube bundle heat exchangers is that due to the laminar flow in the tubes and the relatively large wall thickness of the tubes, this can be 2 to 3 mm, only low heat transfer coefficients and thus a low efficiency of Tube bundle heat exchanger can be achieved. Therefore, large heat exchange surfaces are needed, whereby the shell and tube heat exchangers are relatively large and heavy and thus also very expensive. In addition, due to incomplete heat transfer from the hot heat transfer medium to the heat transfer medium to be heated, the energy costs of the plants increase.
- the plate heat exchange unit can absorb the forces acting during operation of the heat exchanger by the cage construction of the two holding plates and the traction means arranged between them, which is designed as a flow direction sensor plate. As a result, a pressing apart of the heat exchanger plates of the plate pack is avoided when pressurized. Therefore, the plate heat exchanger unit can be used as such in existing shell and tube heat exchanger housing replace the usual tube bundles. The pressure jacket of conventional plate heat exchanger, which usually absorbs the forces occurring, is therefore no longer needed. As a result, a simple installation of the plate heat exchanger unit in the existing housing of the tube bundle heat exchanger is possible.
- the modified tube bundle heat exchanger thus allows improved heat transfer, since with the help of the heat exchanger plates, a larger exchange surface is achieved and due to the smaller wall thickness of the heat exchanger plates, this is usually 0.6 to 1 mm, improved heat transfer is possible. This also makes it possible to save on the energy costs of the system.
- a variation of the heat transfer surface of the existing heat exchanger is further possible by the diameter of the heat exchanger plates used and the number of heat exchanger plates used are selected accordingly. As a result, enlargement, reduction or uniformity of the heat transfer surface in comparison to the original existing Rohrtaündel Anlagen (2004) is possible.
- the traction means Due to the special design of the traction means as flow direction sensor plate, the traction means have a dual function. On the one hand, they take on, as described above, occurring during operation of the heat exchanger forces, on the other hand, they prevent the occurrence of by-pass flows in the housing of the tube bundle heat exchanger. Thus, the plate heat exchanger unit has only a few components and can be manufactured relatively easily.
- This plate heat exchanger comprises a plate pack, which is inserted in a pressure-stable housing, wherein the plate pack and the housing are adapted to each other.
- the plate pack has interconnected heat exchanger plates and is bounded on both sides by package clamping plates.
- the plate pack is braced by at least four clamping bolts, which extend between the package clamping plates and are welded to them.
- the side plates On two sides of the plate pack side plates are mounted, which bear against the circumference of the plate pack and at their ends have U-shaped angled portions which are sealingly supported against the inner diameter of the housing, so that the shell-side heat transfer medium can not flow laterally between the housing and plate pack, but must flow between the heat exchanger plates.
- the side plates In order to allow the insertion of the plate pack in the housing, the side plates must not be made too thick, so that the bends can yield. If the plate pack is inserted into the housing, the bends between the plate pack and the housing are braced and sealed. Due to the small thickness, the side plates can absorb no forces, but have only a flow and sealing function. As already stated, the height of the operating pressure is not defined. However, it can be assumed that the side plates in high-pressure applications with a pressure of over 250 bar, as is the case for example in hydrogenation plants, deform and can no longer fulfill the Strömungsleitauf inter.
- the holding plates are substantially circular and each have at its edge a recess for the flow guidance of a flowing through the housing of the tube bundle heat exchanger, ie a housing-side heat transfer medium.
- a housing-side heat transfer medium Through the recess in the retaining plates, the flow of the housing-side heat transfer medium steered in the desired direction.
- the heat exchanger is designed to be suitable, then the recesses of the two holding plates of a plate heat exchanger unit are arranged on opposite sides of the plate pack, so that the housing-side heat transfer medium flows in on one side next to the heat exchanger plates, must flow through the plate pack and flows out again on the opposite side. But it is also possible a different flow guidance, in particular a multi-flow control is conceivable.
- the recess at the edge of the retaining plates is ring-segment-shaped. This allows a very simple design of the holding plates.
- the ring-segment-shaped recess in each holding plate an angle of about 90 °. This results in an opening angle of 90 °, through which the jacket or housing-side heat transfer medium flows into the plate pack, which is well suited for many applications.
- the outer diameter of the holding plates is greater than the outer diameter of the heat exchanger plates of the plate package and corresponds approximately to the inner diameter of the housing of the tube bundle heat exchanger.
- the holding plates bear against the inside of the housing with the major part of their circumference.
- a flow path for the housing-side heat transfer medium is formed. Since the diameter of the holding plates approximately corresponds to the inner diameter of the housing, the heat exchanger plate unit can be easily inserted into the existing housing. It is a good centering of the plate heat exchanger unit in the housing possible.
- a sealing effect is achieved between the holding plates and the housing, so that the housing-side heat transfer medium flows mainly through the recesses of the holding plates and thus the desired flow guidance is achieved.
- the center axis of the at least one through hole in each holding plate is inclined and forms an angle with the center axis of the corresponding holding plate, so that the opening of the through hole on the inside of the holding plate is arranged closer to the edge of the holding plate as the opening of the through hole on the outside of the holding plate. It is thereby achieved that there is more space on the outside of each retaining plate for connection to another plate unit or to the already existing connections for the tube bundle heat exchanger.
- an inner side of the at least one flow direction sensor plate bears against the outer diameter of the plate package and terminates an outer side of the at least one flow direction sensor plate with the outer diameter of the holding plates.
- the at least one flow direction sensor plate is thus formed so that it fills the space between the plate pack and the inside of the housing so that it blocks a by-pass flow laterally past the plate pack.
- the at least one flow direction sensor plate also supported on the inside of the housing, whereby a better positioning of the plate heat exchanger unit is made possible in the housing.
- the flow direction sensor plate has a thickness of at least 5 mm. This ensures that the flow direction sensor plate has the desired strength to absorb the tensile forces that occur at a high pressure application with a pressure of at least 300 bar, for example in hydrogenation.
- At least one further flow direction sensor plate is provided, wherein the two flow direction sensor plates are arranged on opposite sides of the plate package.
- two flow channels for the housing-side heat transfer medium are formed, a feed channel and a discharge channel.
- a first flange is arranged on the through hole of each holding plate and a further flange is provided on each holding plate.
- a first tube welding end is arranged on the through hole of each holding plate and a further tube welding end is provided on each holding plate.
- the tube welding ends can then be connected to existing connections of the tube bundle heat exchanger for the supply and removal of heat transfer media by a welded joint is attached. As a result, a secure connection is possible, there must be no seals, such as in a flange, are used.
- each support plate on the inside of each support plate, a support plate is arranged and each support plate is connected by means of the support plate with the outermost heat exchanger plate of the plate package.
- the production of the plate package is facilitated and allows a better connection between the relatively thick plate and the very thin heat exchanger plate.
- the conversion kit comprises at least two plate heat exchanger units, which are connected to each other by means of the flanges or tube welding ends, wherein the holding plates and the flanges or pipe welding ends are designed so that they support the weight of the plate heat exchanger units can.
- a plurality of plate heat exchanger units can be used in the already existing shell and tube heat exchanger housing.
- the plate heat exchanger units can then be used with smaller heat exchange surfaces, i. H. be formed with a smaller number of heat exchanger plates, whereby the individual plate heat exchanger units have a higher stability.
- the plate heat exchanger units are supported on each other at two points, whereby a buckling and thus wedging the plate heat exchanger units is avoided in the housing.
- a good flow guidance of the housing-side heat transfer medium is possible.
- the heat exchange surface of the existing heat exchanger can be easily increased or decreased by adding or removing individual plate heat exchanger units.
- the housing of the tube bundle heat exchanger is a high-pressure housing for a pressure range of up to over 300 bar.
- Fig. 1 shows a side view of a plate heat exchanger unit 1.
- the plate heat exchanger unit 1 comprises a plate package 2, which has at least two heat exchanger plates 3.
- the plate pack 2 comprises a multiplicity of heat exchanger plates 3.
- Each heat exchanger plate 3 has at least one through-hole 4, preferably two through-holes 4. This is for example in Fig. 2 to see.
- Two heat exchanger plates 3 are connected to each other along their through holes 4, preferably welded. The resulting plate pairs are welded together along the circumference of the heat exchanger plates 3, so that the plate package 2 is formed.
- the thickness of the heat exchanger plates 3 is about 0.6 to about 1 mm. But it is also conceivable to use thicker or thinner heat exchanger plates.
- the respective outer heat exchanger plate 3 is connected to a support plate 5, preferably welded.
- the heat exchanger plates 3 are preferably circular, the support plates 5 are annular and have the same outer diameter as the heat exchanger plates 3.
- the support plates 5 are thicker than the heat exchanger plates 3rd
- the support plates 5 are in turn connected to retaining plates 6. Also, the connection between the support plates 5 and the holding plates 6 is preferably a welded connection.
- the thickness of the support plates 5 is between the thickness of the support plates 6 and the thickness of the heat exchanger plates 3, there are good welds between the heat exchanger plates, respectively 3 and the support plates 5 and between the support plates 5 and the holding plates 6 possible.
- Each of the holding plates 6 has at least one through hole 7.
- the heat exchanger plates 3 are welded together in pairs along their through holes 4.
- the through-holes 7 of the holding plates 6 communicate with the through-hole 4 of the heat exchanger plates 3 arranged adjacent to the holding plates 6, so that through these through-holes 4 and 7 a through-channel is formed for a heat transfer medium flowing through the plate pack 2, ie a plate-side.
- each through-hole 7 of each holding plate 6 runs obliquely and forms an angle with the center axis 9 of the plate heat exchanger unit 1 and thus also with the center axis of the corresponding holding plate 6.
- the openings of the through holes 7 on the inside of each holding plate 6, so the side of the holding plate 6, which faces the plate pack 2, further arranged on the edge of the holding plate 6 as the openings of the through holes 7 of the holding plate 6, which on the outside of the Holding plate 6 are formed.
- the through-holes 7 of the two holding plates 6 of a plate heat exchanger unit 1 are arranged on opposite sides of the plate pack 2, so that the flow of the plate-side heat transfer medium in the plate pack 2 is deflected.
- the heat exchanger plates 3 preferably embossments. By means of these embossings, a turbulent flow of the heat transfer media is generated, which improves the heat transfer.
- first flanges 10 are attached.
- the first flanges 10 are welded to the holding plates 6.
- a second flange 11 is further attached, which is arranged symmetrically to the first, connected to the through hole 7 of the holding plate 6 flange 10.
- the flanges 10, 11 are arranged on the outside of the holding plates 6.
- the outer diameter of the holding plates 6 is larger than the outer diameter of the heat exchanger plates 3 and the outer diameter of the support plates 5.
- the outer diameter of the holding plates 6 is approximately equal to the inner diameter of the housing of the tube bundle heat exchanger or is slightly smaller than the inner diameter of the housing of the tube bundle heat exchanger, in which Plate heat exchanger unit 1 is used.
- the holding plates 6 are substantially circular, but at one point of their circumference have a recess 13 at the edge.
- Fig. 1 is the recess 13 of the left holding plate 6 disposed at the top of the plate heat exchanger unit, the right holding plate 6 is arranged so that its recess 13 faces downward.
- At least one flow direction sensor plate 12 extends between the two holding plates 6.
- the flow direction transmitter plate 12 is connected to two holding plates 6, preferably welded.
- the at least one flow direction sensor plate 12 and the two holding plates 6 form a cage construction for the plate pack 2.
- the flow direction sensor plate 12 is designed as a traction means, so that the flow direction sensor plate 12 can absorb tensile forces and transmitted to the holding plates 6.
- a first heat transfer medium flows through the plate pack 2.
- pressure is exerted on the heat exchanger plates 3, which presses them apart.
- the resulting forces are absorbed by the flow direction sensor plate 12 and the holding plates 6, so that the plate heat exchanger unit 1 can also be operated under pressure, without the need for a separate, pressure-resistant heat exchanger housing is required.
- Fig. 2 shows a section through the plate heat exchanger unit 1 from Fig. 1 along the lines II-II.
- each heat exchanger plate 3 has at least one through-hole 4, preferably two through-holes 4.
- the heat exchanger plates 3 are connected in pairs along the through holes 4, preferably welded, so that a first flow channel is formed in the interior of the plate package 2.
- the plate heat exchanger unit 1 has two flow direction sensor plates 12 which are symmetrical to each other on two sides of the plate package 2 are arranged.
- Each flow direction transducer plate 12 extends around a portion of the circumference of the plate pack 2, wherein the inside of the flow direction transducer plates 12 rests on the outer diameter of the plate pack 2 and the outer side preferably closes with the outer diameter of the holding plate 6.
- the housing-side heat transfer medium in the area in which the flow direction sensor plates 12 are arranged not laterally flow past the plate pack 2.
- the flow direction sensor plates 12 are connected to the two holding plates 6, that the recesses 13 are arranged in the holding plates 6 where there are no flow direction sensor plates 12.
- each holding plate 6 is substantially circular, wherein the outer diameter of each holding plate 6 is adapted to the inner diameter of the housing of the Rohbündel Anlagen (2004), in which the plate heat exchanger unit 1 is to be used.
- each retaining plate 6 has a recess 13.
- This recess 13 is substantially ring segment-shaped. But it would also be possible to form the recess 13 differently.
- the ring-segment-shaped recess 13 extends over an angle of 90 °. It is also possible that the recess 13 extends over a smaller angle or a larger angle.
- Each holding plate 6 also has a respective through hole 7 with an oblique central axis, wherein the opening of the through hole 7 on the inside of the holding plate 6 is closer to the edge of the holding plate 6 than the opening of the through hole 7 on the outside of the holding plate 6.
- Inside here designates the side of each holding plate 6, which faces the plate pack 3, the outer side of each holding plate 6 is correspondingly the side facing away from the plate package 2 side of the holding plate 6.
- a circular recess 14 is disposed on the outside of the holding plate 6, in the a flange or a Rohsch heatende can be used.
- Fig. 4 shows a section through the holding plate 6 along the line IV-IV Fig. 3 ,
- the central axis 8 of the through hole 7 of each plate 6 is oblique.
- a second circular recess 14 for attachment of another flange or a similar device is provided.
- this recess 14 does not extend over the entire thickness of the holding plates 6.
- Each plate heat exchanger unit 1 is pressure resistant up to 25 bar or 40 bar depending on the design, since the holding plates 6 and the at least one flow direction sensor plate 12 and the two flow direction transducer plates 12 form a cage around the plate package 2 and so avoid pressing apart the heat exchanger plates 3, if this with Pressure are applied. Therefore, each plate heat exchanger unit 1 is adapted to be inserted into existing housings, such as shell and tube heat exchangers, and to replace the originally contained tube bundle unit. Tube bundle heat exchangers are usually relatively long to achieve the desired heat transfer area. It is therefore possible to connect a plurality of plate heat exchanger units 1 with each other, and to use the resulting composite in an existing jacket or in an existing housing of a shell and tube heat exchanger.
- FIG. 5 is the connection of two above-described plate heat exchanger units 1 a, 1b shown.
- each holding plate 6a, 6b of a plate heat exchanger unit 1 a, 1 b has at least one through hole 7 a, 7 b, which is connected to a flange 10 a, 10 b.
- a second flange 11a, 11b is provided on each holding plate 6a, 6b, which is symmetrical to the first flange 10a. 10b is arranged.
- the two plate heat exchanger units 1 a; 1 b are now arranged so that in each case two first flanges 10 a; 10b and two second flanges 11a; 11 b opposite.
- the passageway of the first plate heat exchange unit 1a formed through the through holes 7a of the holding plates 6a and through the through holes 4a of the heat exchange plates 3a is connected to the corresponding through passage of the second plate heat exchange unit 1b.
- the two second flanges 11a; 11b in addition to the holding plates 6a; 6b are arranged, are arranged opposite to each other.
- the flange pairs 10a; 10b; 11a; 11b are connected together, preferably by a screw connection.
- a seal is arranged, so that a tight connection is formed.
- the plate heat exchanger units 1 a; 1 b vertically inserted into the plate heat exchanger housing.
- the upper plate heat exchanger unit 1 b is supported by the two pairs of flanges 10 a, 10 b; 11a, 11b at the bottom plate heat exchanger unit 1 a from. Due to the symmetrical arrangement of the flanges 10a, 11a, 10b, 11b, a uniform support is ensured, a buckling of the upper plate heat exchanger unit 1b is avoided.
- Fig. 6 is a section through a housing 15 of a shell and tube heat exchanger shown in the above-described, interconnected plate heat exchanger units 1 are used.
- the plate heat exchanger units 1 are, as in Fig. 5 shown connected to each other via their flanges 10, 11. It is also possible to fix pipe welding ends to the holding plates 6 instead of the flanges and to connect the plate heat exchanger units 1 via the pipe welding ends. In each case, the tube welding ends of a first plate heat exchanger unit 1 are welded together with the tube welding ends of a second plate heat exchanger unit 1.
- the plate heat exchange units 1 are connected to each other such that through the through holes 7 of the holding plates 6 and the through holes 4 in the heat exchanger plates 3, a first flow channel is formed, through which a first plate-side heat transfer medium flows.
- the flange 10 of the first or lowermost plate heat exchanger unit 1 is connected to the existing inflow of the Rohrüündel Anlagen (2004) for the first heat transfer medium.
- the flange 10 of the last or top plate heat exchanger unit 1 is connected to the existing connection of the tube bundle heat exchanger for the exit of the first heat transfer medium.
- a second flow channel for a second, housing-side heat transfer medium is formed. This second heat transfer medium is passed through the existing connections of the shell-and-tube heat exchanger into and out of the housing 15.
- each plate heat exchanger unit 1 are substantially circular, with their diameter being adapted to the inner diameter of the housing 15 of the tube bundle heat exchanger.
- the outer diameter of each holding plate 6 substantially corresponds to the inner diameter of the housing 15 of the tube bundle heat exchanger or is slightly smaller than the inner diameter of the housing 15. If the plate heat exchanger units 1 are inserted into the housing 15 of the tube bundle heat exchanger, then the holding plates 6 on the inside of the housing 15. Thereby, the plate heat exchange units 1 are centered and supported in the housing 15, the insertion is facilitated.
- a flow channel for the flowing through the housing 15 second heat transfer medium is formed.
- the housing-side heat transfer medium is introduced into or adjacent to an end face of the housing 15 of the tube bundle heat exchanger in the housing 15. Since the retaining plate 6 of the first plate heat exchanger unit 1 rests with its circumference on the housing 15, the heat transfer medium can only flow past the retaining plate 6 through the recess 13.
- the housing-side heat transfer medium then flows through the plate pack 2, whereby a heat transfer between the housing-side heat transfer medium and the heat transfer medium flowing through the plate pack 2 takes place.
- each plate heat exchange unit 1 is preferably arranged so as to be rotated 180 ° with respect to the first holding plate 6 so that the recess 13 of the first holding plate 6 and the recess 13 of the second holding plate 6 are arranged on opposite sides of the plate package 2 ,
- the housing-side heat transfer medium thus enters the housing 15 on one side of the plate pack 2, flows through the plate pack 2, emerges again on the opposite side and is forwarded there via the recess 13 of the second holding plate 6 into the subsequent plate heat exchanger unit 1.
- the housing-side heat transfer medium can not flow laterally past the plate pack 2, but must flow through the plate pack 2.
- the flow direction transducer plates 12 thus have two functions. On the one hand, they prevent the formation of by-pass flows in the housing-side heat transfer medium, which flow laterally past the plate pack 2 past the inside of the housing 15.
- the flow direction transducer plates 12 are designed to be resistant to tensile stress, so that they can absorb the tensile forces arising during operation of the plate heat exchange unit 1 and transfer them to the holding plates 6.
- the flow direction transducer plates 12 have a thickness of at least 5 mm, so that the desired strength is achieved.
- the plate heat exchange units 1 Due to the cage construction of the plate heat exchanger units 1, these are also for the high pressure area, ie depending on the design for pressure ranges from 150 to about 300 bar, can be used.
- the plate heat exchange units 1 can therefore be used in high-pressure jackets of tube bundle heat exchangers, which are used for example in hydrogenation plants.
- the housing 15 of the tube bundle heat exchanger is designed so that it is pressure-stable to at least 300 bar.
- the differential pressure between the housing-side heat transfer medium and the plate-side heat transfer medium is usually in the range of about 25 bar.
- Fig. 6 the individual plate heat exchanger units 1 are connected in series. But it can also be provided that the plate heat exchanger units 1 are connected in parallel. For this purpose, further pipelines must be provided in the interior of the housing 15 of the tube bundle heat exchanger. It is also a combination of a series and a parallel connection of the individual plate heat exchanger units 1 possible.
- the diameter of the retaining plates, the heat exchanger plates and the support plates can be adapted to existing housing inner diameter.
- the outer diameter of the holding plates 6 preferably corresponds to the inner diameter of the housing 15, the diameter of the heat exchanger plates 3 can be arbitrarily smaller than the inner diameter of the housing 15.
- the heat transfer area of the plate heat exchange units 1 can be further changed by the number of heat exchanger plates in the plate pack of the plate heat exchange unit. It is also possible to insert only a smaller number of plate heat exchanger units in an existing housing, so that the heat exchange surface of an existing shell and tube heat exchanger can be reduced, increased or kept constant when replacing the tube bundle unit by one or more plate heat exchanger units.
- Fig. 6 the frontal cover of the tube bundle heat exchanger are not shown.
- the housing 15 is closed at the end face with the already existing, constructed for the tube bundle heat exchanger covers.
- the tube bundle heat exchangers are operated vertically.
- the arranged in the housing 15 plate heat exchanger units 1 are then based on the flanges 10 and 11 from each other.
- the lowest plate heat exchanger unit 1 is attached to a support.
- the other plate heat exchanger units rely on the lowest plate heat exchanger unit and are not additionally attached to thermal expansion to enable.
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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)
Claims (15)
- Jeu d'adaptation pour un échangeur de chaleur à faisceau tubulaire comportant un carter cylindrique (15), avec au moins une unité d'échange de chaleur à plaques (1) destinée à remplacer l'unité de faisceau tubulaire et comprenant au moins les éléments de construction suivantes :un paquet de plaques (2) avec au moins deux plaques d'échange de chaleur (3) qui présentent chacune au moins un trou de passage (4) et qui sont soudées ensemble, par paires, le long de leur circonférence ou le long de la circonférence des trous de passage (4),deux plaques de fixation (6) avec chacune un trou de passage (7), étant précisé qu'une plaque de fixation (6) est disposée à chaque extrémité du paquet de plaques (2) et est reliée à la plaque d'échange de chaleur (3) extérieure du paquet de plaques (2), etau moins un moyen de traction qui s'étend dans le sens longitudinal entre les plaques de fixation (6) et qui est relié aux deux plaques de fixation (6), de sorte que les deux plaques de fixation (6) et le moyen de traction (12) forment une cage, autour du paquet de plaques (2), qui reçoit les forces apparaissant dans le paquet de plaques (2) en état de fonctionnement de l'unité d'échange de chaleur à plaques (1), étant précisé que le diamètre extérieur de l'unité d'échange de chaleur à plaques (1) est adapté au diamètre intérieur du carter cylindrique (15) de l'échangeur de chaleur à faisceau tubulaire, lequel moyen de traction s'étend sur une partie au moins de la circonférence du paquet de plaques (2),caractérisé en ce que le moyen de traction est conçu comme une tôle génératrice de sens d'écoulement (12).
- Jeu d'adaptation selon la revendication 1, caractérisé en ce que les plaques de fixation (6) sont globalement circulaires et présentent sur leur bord un évidement (13) pour guider l'écoulement d'un agent caloporteur qui traverse le carter (15) de l'échangeur de chaleur à faisceau tubulaire.
- Jeu d'adaptation selon la revendication 2, caractérisé en ce que l'évidement (13) prévu sur le bord des plaques de fixation (6) a la forme d'un segment d'anneau.
- Jeu d'adaptation selon la revendication 3, caractérisé en ce que l'évidement en forme de segment d'anneau (13) prévu dans chaque plaque de fixation (6) couvre un angle d'environ 90°.
- Jeu d'adaptation selon l'une des revendications 1 à 4, caractérisé en ce que le diamètre extérieur des plaques de fixation (6) est plus grand que le diamètre extérieur des plaques d'échange de chaleur (3) du paquet de plaques (2) et correspond à peu près au diamètre intérieur du carter (15) de l'échangeur de chaleur à faisceau tubulaire.
- Jeu d'adaptation selon l'une des revendications 1 à 5, caractérisé en ce qu'un axe médian (8) du ou des trous de passage (7) de chaque plaque de fixation (6) s'étend en biais et définit avec l'axe médian (9) de la plaque de fixation (6) correspondante un angle, de sorte que l'ouverture du trou de passage (7) sur le côté intérieur de la plaque de fixation (6) est disposée plus près du bord de ladite plaque (6) que l'ouverture du trou de passage (7) sur le côté extérieur de la plaque (6).
- Jeu d'adaptation selon l'une des revendications 1 à 6, caractérisé en ce qu'un côté intérieur de la ou des tôles génératrices de sens d'écoulement (12) est appliqué contre le diamètre extérieur du paquet de plaques (2) et un côté extérieur de la ou des tôles génératrices de sens d'écoulement (12) est bordé par le diamètre extérieur des plaques de fixation (6).
- Jeu d'adaptation selon l'une des revendications 1 à 7, caractérisé en ce que la tôle génératrice de sens d'écoulement (12) présente une épaisseur d'au moins 5 mm.
- Jeu d'adaptation selon l'une des revendications 1 à 8, caractérisé en ce qu'il est prévu au moins une autre tôle génératrice de sens d'écoulement (12), étant précisé que les deux tôles génératrices de sens d'écoulement (12) sont disposées sur des côtés opposés du paquet de plaques (2).
- Jeu d'adaptation selon l'une des revendications 1 à 9, caractérisé en ce qu'une première bride (10) est disposée sur le trou de passage (7) de chaque plaque de fixation (6) et il est prévu sur chaque plaque de fixation (6) une autre bride (11).
- Jeu d'adaptation selon l'une des revendications 1 à 9, caractérisé en ce qu'une première extrémité soudée de tuyau est disposée au niveau du trou de passage (7) de chaque plaque de fixation (6) et une autre extrémité soudée de tuyau est prévue sur chaque plaque de fixation (6).
- Jeu d'adaptation selon l'une des revendications 1 à 11, caractérisé en ce qu'une plaque de support (5) est disposée sur le côté intérieur de chaque plaque de fixation (6), et chaque plaque de fixation (6) est reliée à l'aide de ladite plaque de fixation (5) à la plaque d'échangeur de chaleur (3) extérieure du paquet de plaques (2).
- Jeu d'adaptation selon l'une des revendications 1 à 12, caractérisé en ce qu'il comprend au moins deux unités d'échange de chaleur à plaques (1) qui sont reliées à l'aide des brides (10, 11) ou des extrémités soudées de tuyau, étant précisé que les plaques de fixation (6) et les brides (10, 11) ou les extrémités soudées de tuyau sont conçues pour pouvoir supporter le poids des unités d'échange de chaleur à plaques (1).
- Jeu d'adaptation selon l'une des revendications 1 à 13, caractérisé en ce que le carter (15) de l'échangeur de chaleur à faisceau tubulaire est un carter haute pression pour une plage de pression d'au moins 150 bar.
- Utilisation d'une unité d'échange de chaleur à plaques (1) qui comporte au moins les éléments de construction suivantes :un paquet de plaques (2) avec au moins deux plaques d'échange de chaleur (3) qui présentent chacune au moins un trou de passage (4) et qui sont soudées ensemble, par paires, le long de leur circonférence ou le long de la circonférence des trous de passage (4),deux plaques de fixation (6) avec chacune un trou de passage (7), étant précisé qu'une plaque de fixation (6) est disposée à chaque extrémité du paquet de plaques (2) et est reliée à la plaque d'échange de chaleur (3) extérieure du paquet de plaques (2), etau moins un moyen de traction qui s'étend dans le sens longitudinal entre les plaques de fixation (6) et qui est relié aux deux plaques de fixation (6), de sorte que les deux plaques de fixation (6) et le moyen de traction (12) forment une cage, autour du paquet de plaques (2), qui reçoit les forces apparaissant dans le paquet de plaques (2) en état de fonctionnement de l'unité d'échange de chaleur à plaques (1), étant précisé que le diamètre extérieur de l'unité d'échange de chaleur à plaques (1) est adapté à un diamètre intérieur d'un carter cylindrique (15) d'un échangeur de chaleur à faisceau tubulaire et que le moyen de traction est conçu comme une tôle génératrice de sens d'écoulement (12) qui s'étend sur une partie au moins de la circonférence du paquet de plaques (2),dans le carter cylindrique (15) de l'échangeur de chaleur à faisceau tubulaire pour remplacer l'unité de faisceau tubulaire.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2008/004905 WO2009152830A1 (fr) | 2008-06-18 | 2008-06-18 | Jeu d’adaptation pour un échangeur de chaleur à faisceau tubulaire |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2304370A1 EP2304370A1 (fr) | 2011-04-06 |
EP2304370B1 true EP2304370B1 (fr) | 2013-01-09 |
Family
ID=40549881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08773495A Active EP2304370B1 (fr) | 2008-06-18 | 2008-06-18 | Jeu d adaptation pour un échangeur de chaleur à faisceau tubulaire |
Country Status (4)
Country | Link |
---|---|
US (1) | US9080815B2 (fr) |
EP (1) | EP2304370B1 (fr) |
CA (1) | CA2728106A1 (fr) |
WO (1) | WO2009152830A1 (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9285172B2 (en) | 2009-04-29 | 2016-03-15 | Westinghouse Electric Company Llc | Modular plate and shell heat exchanger |
FR2962207B1 (fr) * | 2010-06-30 | 2015-10-23 | Valeo Systemes Thermiques | Couvercle d'echangeur de chaleur et echangeur de chaleur comprenant un tel couvercle |
EP2527775A1 (fr) * | 2011-05-25 | 2012-11-28 | Alfa Laval Corporate AB | Plaque d'échangeur thermique pour échangeur thermique de type plaque et enveloppe |
DE102011054810A1 (de) * | 2011-10-26 | 2013-05-02 | Jurii Parfenov | Plattenwärmetauscher |
BR112014016949B1 (pt) * | 2012-01-12 | 2021-05-11 | Westinghouse Electric Company Llc | trocador de calor, e, método para reparar, inspecionar, limpar ou melhorar um trocador de calor |
US10281221B2 (en) | 2012-07-18 | 2019-05-07 | Fab Tek Logic, Llc | Removable heatsink fin assembly |
US9605909B2 (en) | 2012-07-18 | 2017-03-28 | Fab Tek Logic, Llc | Removable radiator fin assembly |
EP2901071B1 (fr) * | 2012-09-18 | 2016-08-17 | Basf Se | Procédé et dispositif de chauffer de gaz naturel |
FR2998953A1 (fr) * | 2012-11-30 | 2014-06-06 | Jean-Claude Geay | Echangeur a plaques modulaire. |
DE102014002801B4 (de) * | 2014-02-26 | 2017-10-05 | Modine Manufacturing Co. | Gelöteter Wärmetauscher |
PL3112787T3 (pl) | 2015-07-01 | 2018-04-30 | Alfa Laval Corporate Ab | Płytowy wymiennik ciepła |
KR101733934B1 (ko) * | 2016-10-26 | 2017-05-08 | 서진욱 | 디스크 번들타입의 판형 열교환기 |
DK179767B1 (da) * | 2017-11-22 | 2019-05-14 | Danfoss A/S | Varmeoverføringsplade til plade-og-skal-varmeveksler og plade-og-skal-varmeveksler med samme |
US11035626B2 (en) * | 2018-09-10 | 2021-06-15 | Hamilton Sunstrand Corporation | Heat exchanger with enhanced end sheet heat transfer |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB191505976A (en) | 1915-04-21 | 1915-09-09 | Unit Engineering Company Ltd | Improvements in Apparatus for Heating and Cooling Liquids and for like purposes. |
GB580368A (en) | 1944-01-01 | 1946-09-05 | Separator Ab | Improvements in or relating to plate heat exchangers |
US4260013A (en) * | 1979-08-10 | 1981-04-07 | Hisaka Works, Limited | Plate type heat exchanger |
SE502638C2 (sv) | 1994-05-18 | 1995-11-27 | Tetra Laval Holdings & Finance | Plattvärmeväxlare med permanent sammanfogade moduler |
ATE258673T1 (de) | 1996-05-22 | 2004-02-15 | Apv Thermotech Gmbh | Hybrid-plattenwärmetauscher |
FI114738B (fi) * | 2000-08-23 | 2004-12-15 | Vahterus Oy | Levyrakenteinen lämmönvaihdin |
JP4190289B2 (ja) * | 2001-02-28 | 2008-12-03 | 昭和電工株式会社 | 熱交換器 |
US7004237B2 (en) * | 2001-06-29 | 2006-02-28 | Delaware Capital Formation, Inc. | Shell and plate heat exchanger |
FI113695B (fi) * | 2001-10-09 | 2004-05-31 | Vahterus Oy | Hitsattu levyrakenteinen lämmönvaihdin |
FI20030527A0 (fi) * | 2003-04-08 | 2003-04-08 | Vahterus Oy | Levylämmönvaihdin ja virtauksen ohjainlevy |
DE102004004895B3 (de) | 2004-01-30 | 2005-06-16 | Pressko Ag | Wärmeübertrager aus runden profilierten Wärmeübertragungsplatten |
ITBO20040636A1 (it) | 2004-10-15 | 2005-01-15 | Teclab S C R L | Recuperatore di calore per la condensazione dei fumi |
US8453721B2 (en) * | 2007-01-31 | 2013-06-04 | Tranter, Inc. | Seals for a stacked-plate heat exchanger |
-
2008
- 2008-06-18 WO PCT/EP2008/004905 patent/WO2009152830A1/fr active Application Filing
- 2008-06-18 CA CA2728106A patent/CA2728106A1/fr not_active Abandoned
- 2008-06-18 EP EP08773495A patent/EP2304370B1/fr active Active
- 2008-06-18 US US12/999,884 patent/US9080815B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US9080815B2 (en) | 2015-07-14 |
CA2728106A1 (fr) | 2009-12-23 |
EP2304370A1 (fr) | 2011-04-06 |
US20110139400A1 (en) | 2011-06-16 |
WO2009152830A1 (fr) | 2009-12-23 |
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