CN112595151A - Shell-and-tube multipass heat exchanger - Google Patents
Shell-and-tube multipass heat exchanger Download PDFInfo
- Publication number
- CN112595151A CN112595151A CN202011607653.8A CN202011607653A CN112595151A CN 112595151 A CN112595151 A CN 112595151A CN 202011607653 A CN202011607653 A CN 202011607653A CN 112595151 A CN112595151 A CN 112595151A
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- CN
- China
- Prior art keywords
- flange
- sealing
- ring
- medium
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 85
- 239000007788 liquid Substances 0.000 claims description 30
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 2
- 230000035882 stress Effects 0.000 description 11
- 238000005192 partition Methods 0.000 description 9
- 239000012530 fluid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- WPPDFTBPZNZZRP-UHFFFAOYSA-N aluminum copper Chemical compound [Al].[Cu] WPPDFTBPZNZZRP-UHFFFAOYSA-N 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F11/00—Arrangements for sealing leaky tubes and conduits
-
- 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
- F28F9/007—Auxiliary supports for elements
-
- 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
- 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
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/06—Arrangements for sealing elements into header boxes or end plates by dismountable joints
- F28F9/12—Arrangements for sealing elements into header boxes or end plates by dismountable joints by flange-type connections
Landscapes
- 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)
Abstract
The invention discloses a shell-and-tube multipass heat exchanger, which comprises a first flange, a second flange with a medium cavity and a sealing assembly for axially and hermetically connecting the first flange and the second flange, wherein the medium cavity comprises a plurality of tube boxes which are arranged on the second flange and mutually separated, a plurality of heat exchange pipelines for communicating two adjacent tube boxes are arranged on the first flange, the sealing assembly comprises an inner supporting ring, an outer supporting ring and a sealing ring arranged between the inner supporting ring and the outer supporting ring, a medium introducing hole is formed in the inner supporting ring, and a hollow inner cavity of the sealing ring is communicated with one tube box, so that a high-temperature and high-pressure medium is filled in the hollow inner cavity. According to the shell-and-tube multi-pass heat exchanger, the temperatures of all the circumferential parts of the sealing ring are equal, the stress is uniform, the sealing assembly has a self-tightening function, axial uncoordinated deformation caused by different temperatures can be compensated, and the continuous and effective sealing is ensured.
Description
Technical Field
The invention relates to a shell-and-tube multi-pass heat exchanger.
Background
The heat exchanger is widely applied to the fields of nuclear power, petrifaction and the like, is mainly used for realizing equipment for transferring partial heat of hot fluid to cold fluid by cold and hot, and is used for improving heat exchange efficiency, improving heat transfer performance and increasing the flow of the fluid in a pipe so as to improve the heat transfer performance, a plurality of partition plates are arranged in a barrel at intervals to form a multi-pipe-pass heat exchanger, such as 2 pipe passes, 4 pipe passes, 6 pipe passes, 8 pipe passes and the like.
In the traditional method, a flange is mostly sealed by adopting a winding pad, a cladding pad and other sealing pads, in the working process, the temperatures of the flange parts corresponding to multiple passes from an inlet to an outlet are inconsistent due to the objective temperature difference between the passes, so that the internal thermal stress of the flange is formed, the axial deformation of each circumferential node of the flange is inconsistent, the local loss of the sealing working stress of different circumferential nodes of the sealing pad is caused, and the sealing leakage is caused.
Disclosure of Invention
The invention aims to provide a shell-and-tube multi-pass heat exchanger with better sealing performance.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a shell-and-tube multipass heat exchanger, includes first flange, the second flange that has the medium chamber, and is used for first flange with axial sealing connection's seal assembly between the second flange, the medium chamber is including setting up on the second flange and a plurality of pipe boxes of mutual separation each other, be provided with on the first flange and communicate adjacent two many heat transfer pipelines of pipe box, seal assembly includes inner support ring, outer support ring, and sets up inner support ring with sealing ring between the outer support ring, wherein, the hole is introduced to the medium has been seted up on the inner support ring, the hole is introduced to the medium runs through inner wall of inner support ring with the lateral wall, the sealing ring has the cavity inner chamber, the built-in has the spring that is the ring form in the cavity inner chamber, the intercommunication has on the inboard week portion of sealing ring the open slot of cavity inner chamber, the medium introducing holes are one or more, all the medium introducing holes are communicated with the same channel box, and the hollow inner cavity is communicated through the medium introducing holes and the open grooves.
Preferably, the inner support ring comprises a ring body with an inner hole and at least one rib fixedly arranged on the ring body, the inner hole of the ring body is divided into a plurality of cavities which are not communicated with each other by all the ribs, and the tube boxes correspond to the cavities in number and position one to one.
Preferably, a plurality of partition plates are arranged in the medium cavity, all the partition plates divide the medium cavity into a plurality of the pipe boxes, and the ribs are connected between the partition plates and the first flange in a sealing manner.
Preferably, the height of the rib is consistent with that of the ring body, and two end faces in the height direction are respectively flush.
Preferably, the pipe box comprises a liquid inlet pipe box, a liquid outlet pipe box and an intermediate pipe box, the medium sequentially passes through the liquid inlet pipe box, the intermediate pipe box and the liquid outlet pipe box along the input direction, and the medium introducing hole is communicated with the liquid inlet pipe box.
Further preferably, the second flange is further provided with a medium inlet communicated with the liquid inlet pipe box and a medium outlet communicated with the liquid outlet pipe box.
Preferably, the notch of the open slot extends through along the circumferential direction of the sealing ring, and the outer circumferential part of the spring is abutted against the inner cavity wall of the hollow inner cavity.
Further preferably, the cross section of the sealing ring is in a C-shaped structure.
Preferably, the outer peripheral portion of the seal ring is a clearance fit with the inner peripheral portion of the outer support ring.
Further preferably, a mounting protrusion is formed on the first flange, a mounting groove is formed on the second flange, the sealing component is disposed in the mounting groove, the mounting protrusion is fittingly inserted into the mounting groove and tightly pressed on the sealing component, and sealing layers are disposed on both axial end surfaces of the inner support ring, so that the inner support ring is sealingly connected between the mounting groove and the mounting protrusion.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the shell-and-tube multi-pass heat exchanger, a tube pass medium in one tube box is filled in the hollow inner cavity of the sealing ring through the medium introducing hole and the open slot on the inner side periphery of the sealing ring, so that the temperature of each part of the periphery of the sealing ring is the same, the sealing ring is extruded from inside to outside, and the self-tightening stress of the sealing ring is formed by matching the elasticity of the sealing ring and the elasticity of the spring, so that the self-tightening function of the sealing assembly is realized, the sealing between the first flange and the second flange is tighter, and the sealing effect is continuous and effective.
Drawings
FIG. 1 is a schematic structural view of a specific embodiment of a shell-and-tube multipass heat exchanger of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at B;
FIG. 4 is an enlarged view of a portion of FIG. 2 at C;
FIG. 5 is a schematic structural view of a seal assembly in the shell-and-tube multipass heat exchanger of the present invention;
FIG. 6 is a partial cross-sectional view taken at D-D of FIG. 5;
fig. 7 is a partial cross-sectional view taken at E-E of fig. 5.
Wherein: 1. a first flange; 11. a heat exchange conduit; 12. mounting a boss; 13. a cooling medium chamber; 14. a through hole;
2. a second flange; 21. A pipe box; 211. a liquid inlet pipe box; 212. a liquid outlet pipe box; 213a, 213b, 213c, an intermediate header; 22. mounting grooves; 23. a partition plate;
3. a seal assembly; 31. an inner support ring; 311. a medium introduction hole; 312. an inner sidewall; 313. an outer sidewall; 314. a sealing layer; 315. a ring body; 316. ribs; 317. a bore; 32. an outer support ring; 33. a seal ring; 331. a hollow interior cavity; 332. an open slot; 34. a spring.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the specific embodiments.
Referring to the figures, a shell-and-tube multipass heat exchanger is shown, which comprises a first flange 1, a second flange 2 with a medium cavity, and a sealing assembly 3 for axially sealing connection between the first flange 1 and the second flange 2, wherein the first flange 1 can be also called a multi-cavity cooler and is provided with a cooling cylinder with a plurality of cooling cavities at the upper part and a flange connecting part closed at the bottom end part of the cooling cylinder; the second flange 2 may also be referred to as an autoclave with a flange connection, and for convenience of reference herein, will be referred to simply as the first flange 1 and the second flange 2, respectively.
The medium cavity comprises a plurality of pipe boxes 21 which are arranged on the second flange 2 and are mutually separated, and a plurality of heat exchange pipelines 11 which are communicated with two adjacent pipe boxes 21 are arranged on the first flange 1. Specifically, referring to fig. 1 and 2, a plurality of partition plates 23 are provided in the medium chamber, and all of the partition plates 23 divide the medium chamber into a plurality of header tanks 21. Specifically, in the 8-tube-pass shell-and-tube heat exchanger shown in this embodiment, the tube box 21 includes a liquid inlet tube box 211, a liquid outlet tube box 212, and three intermediate tube boxes 213a, 213b, and 213c, the medium passes through the liquid inlet tube box 211, the intermediate tube box 213a, the intermediate tube box 213b, the intermediate tube box 213c, and the liquid outlet tube box 212 in sequence along the input direction, and the medium introducing hole 311 is communicated with the liquid inlet tube box 211; the second flange 2 is further provided with a medium inlet 2a communicated with the liquid inlet pipe box 211 and a medium outlet 2b communicated with the liquid outlet pipe box 212.
The upper portion of the first flange 1 is provided with a cooling medium cavity 13, the heat exchange pipelines 11 are located in the cooling medium cavity 13, the first flange 1 is further provided with through holes 14, the number of the through holes 14 is the same as that of the heat exchange pipelines 11, the heat exchange pipelines 11 and the through holes 14 are correspondingly connected with each other so as to be communicated with the pipe boxes 21, and high-temperature media in the pipe boxes 21 are cooled through heat exchange when passing through the cooling medium cavity 13 through the heat exchange pipelines 11. Specifically, the specific flow direction of the high-temperature and high-pressure medium refers to the flow direction of the process medium in the attached figure 1.
Referring to fig. 5 to 7, the sealing assembly 3 includes an inner support ring 31, an outer support ring 32, and a sealing ring 33 disposed between the inner support ring 31 and the outer support ring 32, wherein the inner support ring 31 is provided with a medium introducing hole 311, the medium introducing hole 311 penetrates through an inner sidewall 312 and an outer sidewall 313 of the inner support ring 31, the sealing ring 33 has a hollow inner cavity 331, an annular spring 34 is disposed in the hollow inner cavity 331, an inner peripheral portion of the sealing ring 33 is provided with an open slot 332 communicating with the hollow inner cavity 331, and one of the channel boxes 21 communicates with the hollow inner cavity 331 through the medium introducing hole 311 and the open slot 332.
Specifically, the inner support ring 31 includes a ring body 315 having an inner hole, and at least one rib 316 fixedly disposed on the ring body 315, sealing layers 314 are fixedly disposed on both end surfaces of the inner support ring 31 in the height direction, the inner hole of the ring body 315 is divided into a plurality of cavities 317 that are not communicated with each other by all the ribs 316, and the number and positions of the tube boxes 21 and the cavities 317 are in one-to-one correspondence. In this embodiment, the number and arrangement of the ribs 316 and the partition plates 23 are the same from the top view, so as to ensure that the number and positions of the cavities 317 and the tube boxes 21 are corresponding, that is, 5 cavities 317 are correspondingly provided.
The medium introduction hole 311 is located on the ring body 315, and the medium introduction hole 311 extends in the radial direction of the inner support ring 31; the sealing layer 314 is a flexible graphite layer or a soft metal layer and is used for sealing connection between the partition plate 23 and the first flange 1, so that a plurality of cavities 317 can be isolated, and media among the cavities 317 are prevented from being exchanged; the ribs 316 have a height corresponding to the height of the ring body 315, and both end faces are flush in the height direction. In the present embodiment, the medium introducing hole 311 is provided with one and only communicates with one of the cavities 317. Of course, in other embodiments, there may be more than one medium inlet 311, but all medium inlets 311 need to be connected to the same bore 317.
The sealing ring 33 is made of metal or nonmetal materials and has certain strength, the outer surface of the sealing ring 33 can be coated with soft materials such as silver, aluminum copper and the like, the notch of the opening groove 332 of the sealing ring 33 penetrates and extends along the circumferential direction of the sealing ring 33, namely, the cross section of the sealing ring 33 is in a C-shaped structure, so that the sealing ring 33 has certain elasticity, namely, the sealing ring 33 can provide certain sealing stress in the working process; the opening groove 332 is communicated with the medium introducing hole 311, the spring 34 is bent into a ring shape by a cylindrical spring, the spring 34 itself has a gap structure, so that a pressure medium can enter the hollow inner cavity 331 of the sealing ring 33 through the medium introducing hole 311, the pressure medium presses the hollow inner cavity 331 to provide a sealing stress required by the sealing assembly 3, and the outer peripheral part of the spring 34 abuts against the inner cavity wall of the hollow inner cavity 331, so that the spring 34 can also provide a certain sealing stress, and thus, the self-tightening sealing assembly can form multiple sealing stresses; the outer peripheral portion of the seal ring 33 is clearance-fitted to the inner peripheral portion of the outer support ring 32.
Referring to fig. 1 to 4, a mounting protrusion 12 is formed on the first flange 1, a mounting groove 22 is formed on the second flange 2, the sealing member 3 is disposed in the mounting groove 22, the mounting protrusion 12 is fittingly inserted into the mounting groove 22 and pressed against the sealing member 3, the first flange 1 and the second flange 2 are axially connected by bolts, and sealing layers 314 are disposed on both side axial end surfaces of the inner support ring 31 such that the inner support ring 31 is sealingly connected between the mounting groove 22 and the mounting protrusion 12.
The sealing principle of the shell-and-tube multi-pass heat exchanger of the embodiment is as follows:
the first flange 1 and the second flange 2 are axially connected through bolts, the sealing assembly 3 is arranged in the mounting groove 22, the mounting protrusion 12 is inserted into the mounting groove 22 to press the sealing assembly 3 in the mounting groove 22, and the sealing ring 33 is in contact with the first flange 1 and the second flange 2 to form initial sealing stress. After the heat exchanger starts to operate, a medium under pressure in the liquid inlet pipe box 211 enters the hollow inner cavity of the sealing ring 33 through the medium introducing hole 311 and the open slot 332, and with the increase of the working temperature and the pressure, the medium in the sealing ring 33 generates a self-tightening stress Fa from inside to outside, and under the action of the self-tightening stress Fa, the contact stress Fg on the contact surfaces of the sealing ring 33 and the two flanges is gradually increased, so that self-tightening sealing is realized.
In this embodiment, the tube-pass thermal fluid medium enters the liquid inlet channel 211 from the medium inlet 2a, enters the liquid outlet channel 212 after multi-pass heat exchange, and finally flows out from the medium outlet 2 b. The temperature of the tube pass hot fluid medium is gradually reduced in the process of flowing through the liquid inlet tube box 211, the middle tube box 213a, the middle tube cavity 213b, the middle tube cavity 213c and the liquid outlet tube box 212, the temperatures of the different tube boxes 21 in the circumferential direction are different, specifically, the temperatures of the joints of the first flange 1 and the second flange 2 with the liquid inlet tube box 211 are the highest, the temperature of the joints with the liquid outlet tube box 212 is the lowest, and the temperatures of the joints with the middle tube box 213a, the middle tube box 213b and the middle tube box 213c are gradually reduced, so that the thermal expansion of joint elements such as bolts and flanges is different, the generated deformation is inconsistent, and the sealing stress of the sealing assembly 3 is. And through the self-tightening function of the sealing ring 33, sufficient displacement compensation can be formed on each node in the circumferential direction in the axial direction, so that the continuous and effective sealing is ensured.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a shell-and-tube multipass heat exchanger, includes first flange, has the second flange of medium chamber, and is used for first flange with axial sealing connection's seal assembly between the second flange, the medium chamber is including setting up on the second flange and a plurality of pipe casees of mutual separation each other, be provided with on the first flange and communicate adjacent two many heat transfer pipelines of pipe case, its characterized in that: the sealing assembly comprises an inner supporting ring, an outer supporting ring and a sealing ring arranged between the inner supporting ring and the outer supporting ring, wherein a medium introducing hole is formed in the inner supporting ring and penetrates through the inner side wall and the outer side wall of the inner supporting ring, the sealing ring is provided with a hollow inner cavity, a circular ring-shaped spring is arranged in the hollow inner cavity, an open groove communicated with the hollow inner cavity is formed in the periphery of the inner side of the sealing ring, one or more medium introducing holes are formed in the medium introducing hole, all the medium introducing holes are communicated with the same pipe box, and the hollow inner cavity is communicated with the medium introducing hole and the open groove.
2. A shell-and-tube multipass heat exchanger according to claim 1, characterized in that: the inner support ring comprises a ring body with an inner hole and at least one rib fixedly arranged on the ring body, the inner hole of the ring body is divided into a plurality of cavities which are not communicated by all the ribs, and the tube boxes correspond to the cavities in number and position one to one.
3. A shell-and-tube multipass heat exchanger according to claim 2, characterized in that: the medium cavity is internally provided with a plurality of clapboards, all the clapboards divide the medium cavity into a plurality of pipe boxes, and the ribs are connected between the clapboards and the first flange in a sealing manner.
4. A shell-and-tube multipass heat exchanger according to claim 2, characterized in that: the height of the ribs is consistent with that of the ring body, and two end faces in the height direction are respectively flush.
5. A shell-and-tube multipass heat exchanger according to claim 1, characterized in that: the pipe box comprises a liquid inlet pipe box, a liquid outlet pipe box and an intermediate pipe box, wherein a medium sequentially passes through the liquid inlet pipe box, the intermediate pipe box and the liquid outlet pipe box along the input direction, and a medium introducing hole is communicated with the liquid inlet pipe box.
6. A shell and tube multipass heat exchanger according to claim 5, characterized in that: the second flange is also provided with a medium inlet communicated with the liquid inlet pipe box and a medium outlet communicated with the liquid outlet pipe box.
7. A shell-and-tube multipass heat exchanger according to claim 1, characterized in that: the notch of the open slot penetrates and extends along the circumferential direction of the sealing ring, and the outer side periphery of the spring is attached to the inner side cavity wall of the hollow inner cavity.
8. A shell and tube multipass heat exchanger according to claim 7, characterized in that: the cross section of the sealing ring is of a C-shaped structure.
9. A shell-and-tube multipass heat exchanger according to claim 1, characterized in that: the outer peripheral portion of the seal ring is in clearance fit with the inner peripheral portion of the outer support ring.
10. A shell and tube multipass heat exchanger according to any one of claims 1 to 9, characterized in that: the sealing device comprises a first flange, a second flange and a sealing component, wherein a mounting bulge is formed on the first flange, a mounting groove is formed on the second flange, the sealing component is arranged in the mounting groove, the mounting bulge is inserted in the mounting groove in a matched mode and tightly pressed on the sealing component, and sealing layers are arranged on the end faces of two sides of the inner supporting ring, so that the inner supporting ring is connected between the mounting groove and the mounting bulge in a sealing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607653.8A CN112595151B (en) | 2020-12-30 | 2020-12-30 | Shell-and-tube type multipass heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607653.8A CN112595151B (en) | 2020-12-30 | 2020-12-30 | Shell-and-tube type multipass heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112595151A true CN112595151A (en) | 2021-04-02 |
| CN112595151B CN112595151B (en) | 2024-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011607653.8A Active CN112595151B (en) | 2020-12-30 | 2020-12-30 | Shell-and-tube type multipass heat exchanger |
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| Country | Link |
|---|---|
| CN (1) | CN112595151B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110999A (en) * | 2014-08-01 | 2014-10-22 | 张家港化工机械股份有限公司 | Inlet side tube box for titanium composite plate multi-tube-pass heat exchanger |
| CN204255148U (en) * | 2014-11-13 | 2015-04-08 | 连云港凯帝重工科技有限公司 | There is the shell-and-tube heat exchanger of annular pass partition |
| RU2557154C1 (en) * | 2014-06-18 | 2015-07-20 | Артем Борисович Касимовский | Dismountable heat exchanger |
| WO2018054643A1 (en) * | 2016-09-26 | 2018-03-29 | Mahle International Gmbh | Heat exchanger |
| CN214371907U (en) * | 2020-12-30 | 2021-10-08 | 苏州宝骅密封科技股份有限公司 | Shell-and-tube multipass heat exchanger |
-
2020
- 2020-12-30 CN CN202011607653.8A patent/CN112595151B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2557154C1 (en) * | 2014-06-18 | 2015-07-20 | Артем Борисович Касимовский | Dismountable heat exchanger |
| CN104110999A (en) * | 2014-08-01 | 2014-10-22 | 张家港化工机械股份有限公司 | Inlet side tube box for titanium composite plate multi-tube-pass heat exchanger |
| CN204255148U (en) * | 2014-11-13 | 2015-04-08 | 连云港凯帝重工科技有限公司 | There is the shell-and-tube heat exchanger of annular pass partition |
| WO2018054643A1 (en) * | 2016-09-26 | 2018-03-29 | Mahle International Gmbh | Heat exchanger |
| CN214371907U (en) * | 2020-12-30 | 2021-10-08 | 苏州宝骅密封科技股份有限公司 | Shell-and-tube multipass heat exchanger |
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| Publication number | Publication date |
|---|---|
| CN112595151B (en) | 2024-07-16 |
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