CN112595151B - Shell-and-tube type multipass heat exchanger - Google Patents
Shell-and-tube type multipass heat exchanger Download PDFInfo
- Publication number
- CN112595151B CN112595151B CN202011607653.8A CN202011607653A CN112595151B CN 112595151 B CN112595151 B CN 112595151B CN 202011607653 A CN202011607653 A CN 202011607653A CN 112595151 B CN112595151 B CN 112595151B
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- China
- Prior art keywords
- flange
- sealing
- ring
- medium
- heat exchanger
- 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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Links
- 238000007789 sealing Methods 0.000 claims abstract description 86
- 239000007788 liquid Substances 0.000 claims description 30
- 238000005192 partition Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000035882 stress Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 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
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 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
- 238000000926 separation method Methods 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
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 type multipass heat exchanger, which comprises a first flange, a second flange with a medium cavity and a sealing assembly, wherein the sealing assembly is used for axially sealing connection between the first flange and the second flange, the medium cavity comprises a plurality of tube boxes which are arranged on the second flange and are mutually separated, a plurality of heat exchange pipelines which are communicated with 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 which is arranged between the inner supporting ring and the outer supporting ring, the inner supporting ring is provided with a medium introducing hole, a hollow inner cavity of the sealing ring is communicated with one tube box, and a hollow inner cavity is filled with high-temperature high-pressure medium. According to the shell-and-tube type multipass heat exchanger, the temperatures of all the circumferential positions of the sealing ring are equal, the stress is uniform, the sealing assembly has a self-tightening function, the axial uncoordinated deformation caused by different temperatures can be compensated, and the sealing is ensured to be continuous and effective.
Description
Technical Field
The invention relates to a shell-and-tube type multipass heat exchanger.
Background
The heat exchanger is widely applied to the fields of nuclear power, petrochemical industry and the like, is mainly used for realizing equipment for transferring and exchanging part of heat of hot fluid to cold fluid by cold and hot, and is used for improving heat exchange efficiency, improving heat transfer performance, increasing the flow process of the fluid in a tube so as to improve the heat transfer performance, and a plurality of baffle plates are arranged in a cylinder at intervals to form a multi-tube-pass heat exchanger, such as 2 tube passes, 4 tube passes, 6 tube passes, 8 tube passes and the like.
In the traditional method, the flange is sealed by adopting sealing gaskets such as a winding gasket, a cladding gasket and the like, in the working process, due to temperature difference objectively existing between procedures, the temperature of the flange part corresponding to multiple procedures from an inlet to an outlet is inconsistent, the internal thermal stress of the flange is formed, the axial deformation of each node in the circumferential direction of the flange is inconsistent, the local defect of the sealing working stress of different nodes in the circumferential direction of the sealing gasket is caused, so that the sealing leakage is caused, and the more the tube passes are, the more the leakage is easy to occur.
Disclosure of Invention
The invention aims to provide a shell-and-tube type multipass heat exchanger with more excellent sealing performance.
In order to achieve the above purpose, the invention adopts the following technical scheme: 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 axial sealing connection's between first flange with the sealing component 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 intercommunication two adjacent a plurality of heat transfer pipeline of pipe casees, sealing component includes inner support ring, outer support ring, and sets up the sealing ring between inner support ring and the outer support ring, wherein, set up the medium introduction hole on the inner support ring, the medium introduction hole runs through inner wall of inner support ring with the lateral wall, the sealing ring has the cavity inner chamber, be built-in the cavity inner chamber has the spring that is the ring form, have the intercommunication on the inboard week portion of sealing ring the cavity inner chamber, the medium introduction hole has one or more, all the medium introduction hole with same pipe casees intercommunication, and pass through medium introduction hole and cavity opening intercommunication.
Preferably, the inner support ring comprises a ring body with an inner hole and at least one rib fixedly arranged on the ring body, all ribs divide the inner hole of the ring body into a plurality of cavities which are not communicated with each other, and the pipe boxes are in one-to-one correspondence with the number and the positions of the cavities.
Preferably, a plurality of partition plates are arranged in the medium cavity, all the partition plates divide the medium cavity into a plurality of pipe boxes, and the ribs are connected between the partition plates and the first flange in a sealing manner.
Preferably, the height of the ribs is identical to the height of the ring body, and the two end surfaces in the height direction are respectively flush.
Preferably, the pipe box comprises a liquid inlet pipe box, a liquid outlet pipe box and a middle pipe box, wherein the medium sequentially passes through the liquid inlet pipe box, the middle pipe box and the liquid outlet pipe box along the input direction, and the medium introducing hole is mutually 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 groove extends through the circumference of the sealing ring, and the outer circumference 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 in clearance fit with the inner peripheral portion of the outer support ring.
Further preferably, the first flange is formed with a mounting protrusion, the second flange is formed with a mounting groove, the sealing assembly is arranged in the mounting groove, the mounting protrusion is fittingly inserted in the mounting groove and is pressed on the sealing assembly, and sealing layers are arranged on two side shaft end faces of the inner support ring, so that the inner support ring is connected between the mounting groove and the mounting protrusion in a sealing manner.
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 side medium in one tube box fills the hollow inner cavity of the sealing ring through the medium introduction hole and the opening groove at the inner peripheral part of the sealing ring, so that the sealing ring is extruded from inside to outside at the same circumferential temperature, 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 view of a shell-and-tube multi-pass heat exchanger according to an embodiment 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 view of the seal assembly of the shell and tube multi-pass 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 pipeline; 12. mounting the bulge; 13. a cooling medium chamber; 14. a through hole;
2. A second flange; 21. A tube box; 211. a liquid inlet pipe box; 212. a liquid outlet pipe box; 213a, 213b, 213c, intermediate pipe box; 22. a mounting groove; 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. and (3) a spring.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.
Referring to the drawings, a shell-and-tube multipass heat exchanger is shown, comprising a first flange 1, a second flange 2 with a medium cavity, and a sealing assembly 3 for axial sealing connection between the first flange 1 and the second flange 2, wherein the first flange 1 can also be called a multichamber cooler, which is provided with a cooling cylinder with a plurality of cooling chambers at the upper part and a flange connection part sealed at the bottom end part of the cooling cylinder; the second flange 2 may also be referred to as an autoclave having a flange connection, and is herein abbreviated as first flange 1, second flange 2, respectively, for ease of reference.
The medium chamber comprises a plurality of tube 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 tube boxes 21 are arranged on the first flange 1. Specifically, referring to fig. 1 and 2, a plurality of partitions 23 are provided in the medium chamber, and all of the partitions 23 divide the medium chamber into a plurality of tube boxes 21. Specifically, in the 8-tube side shell-and-tube heat exchanger shown in the present embodiment, the tube box 21 includes one liquid inlet tube box 211, one liquid outlet tube box 212, and three intermediate tube boxes 213a, 213b, 213c, and the medium sequentially 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 the input direction, and the medium introduction hole 311 is communicated with the liquid inlet tube box 211; the second flange 2 is further provided with a medium inlet 2a communicating with the liquid inlet pipe box 211 and a medium outlet 2b communicating with the liquid outlet pipe box 212.
The upper part of the first flange 1 is provided with a cooling medium cavity 13, the heat exchange pipeline 11 is positioned in the cooling medium cavity 13, the first flange 1 is also 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 each pipe box 21, and high-temperature medium in the pipe boxes 21 exchanges heat through the heat exchange pipeline 11 when passing through the cooling medium cavity 13 so as to realize cooling. Specifically, the specific flow direction of the high-temperature high-pressure medium refers to the flow direction of the tube side medium in fig. 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 introduction hole 311, the medium introduction hole 311 penetrates through an inner side wall 312 and an outer side wall 313 of the inner support ring 31, the sealing ring 33 has a hollow cavity 331, a ring-shaped spring 34 is disposed in the hollow cavity 331, an opening groove 332 communicating with the hollow cavity 331 is disposed on an inner circumference of the sealing ring 33, and one of the tube boxes 21 communicates with the hollow cavity 331 through the medium introduction hole 311 and the opening groove 332.
Specifically, the inner support ring 31 includes a ring body 315 having an inner hole, at least one rib 316 fixedly disposed on the ring body 315, sealing layers 314 are fixedly disposed on two end surfaces of the inner support ring 31 in the height direction, all the ribs 316 divide the inner hole of the ring body 315 into a plurality of non-communicating cavities 317, and the number and positions of the tube box 21 and the cavities 317 are in one-to-one correspondence. In this embodiment, the number and arrangement of ribs 316 and baffles 23 are the same from a top view, so as to ensure that the number and positions of bores 317 and tube boxes 21 are corresponding, i.e. 5 bores 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 for sealing connection between the separator 23 and the first flange 1, so that the plurality of cavities 317 can be isolated, and medium exchange between the cavities 317 is prevented; the ribs 316 are of a height consistent with the height of the ring 315 and are flush with the two end faces in the height direction. In the present embodiment, the medium introduction hole 311 is provided with one and communicates with only one of the bores 317. Of course, in other embodiments, a plurality of medium introduction holes 311 may be provided, but all of the medium introduction holes 311 need to communicate with the same bore 317.
The sealing ring 33 is made of metal or nonmetal material 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, and the notch of the opening groove 332 of the sealing ring 33 extends along the circumferential direction of the sealing ring 33 in a penetrating way, 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, in the working process, the sealing ring 33 can provide certain sealing stress; the open 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 has a gap structure, so that a pressure medium can enter the hollow cavity 331 of the sealing ring 33 through the medium introducing hole 311, the pressure medium presses the hollow cavity 331 to provide the sealing stress required by the sealing assembly 3, the outer peripheral part of the spring 34 is tightly attached to the inner cavity wall of the hollow cavity 331, so that the spring 34 can also provide a certain sealing stress, and the self-tightening sealing assembly can form multiple sealing stresses; the outer peripheral portion of the seal ring 33 is in clearance fit with the inner peripheral portion of the outer support ring 32.
Referring to fig. 1 to 4, a mounting protrusion 12 is formed on a first flange 1, a mounting groove 22 is formed on a second flange 2, a sealing assembly 3 is disposed in the mounting groove 22, the mounting protrusion 12 is fittingly inserted in the mounting groove 22 and pressed against the sealing assembly 3, the first flange 1 and the second flange 2 are axially connected by bolts, and sealing layers 314 are disposed on both side shaft end surfaces of an 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 type multi-pass heat exchanger of the embodiment is specifically 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, the sealing assembly 3 is pressed in the mounting groove 22, and the sealing ring 33 is contacted with the first flange 1 and the second flange 2 to form initial sealing stress. After the heat exchanger starts to operate, a pressurized medium in the liquid inlet pipe box 211 enters the hollow inner cavity of the sealing ring 33 through the medium introduction hole 311 and the open groove 332, and as the working temperature and the pressure are increased, the medium in the sealing ring 33 generates 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 side hot fluid medium enters the liquid inlet tube box 211 from the medium inlet 2a, enters the liquid outlet tube box 212 after multi-pass heat exchange, and finally flows out from the medium outlet 2 b. The temperature of the tube side hot fluid medium gradually decreases 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 in the circumferential directions of different tube boxes 21 are different, specifically, the temperature at the joint of the first flange 1 and the second flange 2 with the liquid inlet tube box 211 is highest, the temperature at the joint of the liquid outlet tube box 212 is lowest, the temperature at the joint of the middle tube box 213a, the middle tube box 213b and the middle tube box 213c is gradually reduced, the thermal expansion of joint elements such as bolts, flanges and the like is different, the generated deformation is inconsistent, and the sealing stress of the sealing assembly 3 is uneven. By the self-tightening function of the seal ring 33, sufficient displacement compensation can be formed in the axial direction of each circumferential node, thereby ensuring continuous and effective sealing.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (8)
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 partition each other, be provided with on the first flange intercommunication two adjacent a plurality of heat transfer pipeline of pipe casees, its characterized in that: the sealing component 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 the inner supporting ring is provided with a medium introducing hole, the medium introducing hole 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 ring-shaped spring is arranged in the hollow inner cavity, the inner circumference of the sealing ring is provided with an opening groove communicated with the hollow inner cavity, one or more medium introducing holes are arranged, all the medium introducing holes are communicated with the same pipe box and are communicated with the hollow inner cavity through the medium introducing hole and the opening groove,
The inner support ring comprises a ring body with an inner hole, at least one rib fixedly arranged on the ring body, all ribs divide the inner hole of the ring body into a plurality of cavities which are not communicated with each other, the pipe boxes are in one-to-one correspondence with the number and the positions of the cavities, each pipe box comprises a liquid inlet pipe box, a liquid outlet pipe box and a middle pipe box, media sequentially pass through the liquid inlet pipe box, the middle pipe box and the liquid outlet pipe box along the input direction, and the media introduction holes are communicated with the liquid inlet pipe boxes.
2. The shell and tube multipass heat exchanger of claim 1, wherein: the medium cavity is internally provided with a plurality of partition boards, all the partition boards divide the medium cavity into a plurality of pipe boxes, and the ribs are connected between the partition boards and the first flange in a sealing mode.
3. The shell and tube multipass heat exchanger of claim 1, wherein: the height of the ribs is consistent with that of the ring body, and two end faces in the height direction are respectively flush.
4. The shell and tube multipass heat exchanger of claim 1, wherein: and 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.
5. The shell and tube multipass heat exchanger of claim 1, wherein: the notch of the open slot extends along the circumferential direction of the sealing ring in a penetrating way, and the outer peripheral part of the spring is tightly attached to the inner cavity wall of the hollow inner cavity.
6. The shell and tube multipass heat exchanger of claim 5, wherein: the cross section of the sealing ring is of a C-shaped structure.
7. The shell and tube multipass heat exchanger of claim 1, wherein: the outer peripheral portion of the seal ring is in clearance fit with the inner peripheral portion of the outer support ring.
8. The shell and tube multipass heat exchanger of any of claims 1-7, wherein: the first flange is provided with a mounting protrusion, the second flange is provided with a mounting groove, the sealing assembly is arranged in the mounting groove, the mounting protrusion is fittingly inserted in the mounting groove and is tightly pressed on the sealing assembly, and sealing layers are arranged on the end faces of two side shafts of the inner support ring, so that the inner support ring is connected between the mounting groove and the mounting protrusion 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 CN112595151A (en) | 2021-04-02 |
| CN112595151B true CN112595151B (en) | 2024-07-16 |
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Family Applications (1)
| 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 |
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| CN (1) | CN112595151B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (4)
| 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 |
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2020
- 2020-12-30 CN CN202011607653.8A patent/CN112595151B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN112595151A (en) | 2021-04-02 |
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