CN114136124A - Sanitary-grade microporous heat exchanger based on 3D printing - Google Patents
Sanitary-grade microporous heat exchanger based on 3D printing Download PDFInfo
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- CN114136124A CN114136124A CN202111488121.1A CN202111488121A CN114136124A CN 114136124 A CN114136124 A CN 114136124A CN 202111488121 A CN202111488121 A CN 202111488121A CN 114136124 A CN114136124 A CN 114136124A
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- Prior art keywords
- sanitary
- cooling water
- tree
- heat exchanger
- printing
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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
- 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
- F28D7/08—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 otherwise bent, e.g. in a serpentine or zig-zag
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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
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
- F28F21/083—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys from stainless steel
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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
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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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)
Abstract
The invention relates to the field of heat exchangers, in particular to a sanitary-grade microporous heat exchanger based on 3D printing, which comprises a columnar shell, wherein a cooling water joint assembly communicated with the interior of the shell is arranged on the outer wall of the shell; the upper end and the lower extreme of casing are equipped with entry health chuck and export health chuck respectively, be equipped with arborescent pipeline in the casing. In the invention, fluid materials enter the tree-shaped pipeline from the feeding channel and finally flow out from the discharging channel; simultaneously in cooling water gets into the casing from the cooling water joint subassembly, fully contact with the outer wall of arborescent pipeline, absorb the heat, realize the heat transfer function, the heat transfer area is fully enlarged in arborescent pipeline's design, promotes heat exchange efficiency. Compared with traditional heat exchange equipment, the tree-shaped pipeline is orderly in structure and small in space volume on the premise of ensuring the heat exchange efficiency, and has great advantages in the field of micropore heat dissipation.
Description
Technical Field
The invention relates to the field of heat exchangers, in particular to a sanitary microporous heat exchanger based on 3D printing.
Background
In engineering, a device that transfers the heat of one fluid to another fluid in a certain heat transfer manner is called a heat exchanger, also called a heat exchanger. The heat exchanger is an indispensable device for realizing heat exchange and transfer in the chemical production process. In petroleum, chemical, light industry, pharmaceutical, energy and other industrial production, it is often used to heat a low temperature fluid or cool a high temperature fluid, vaporize a liquid into a vapor or condense a vapor into a liquid.
The traditional heat exchanger is usually formed by installing sectional materials in a welding mode, a bolt connecting mode and the like, and the problems of difficult welding, complex structure, easy leakage and large volume are difficult to overcome. The tube bundle and the shell have to be increasingly complicated to improve the heat transfer performance, which puts high demands on the production process and increases the difficulty, so that in the field of micro-porous heat exchangers, a design which can overcome the above disadvantages and easily achieve high heat transfer efficiency of production has yet to be developed.
Disclosure of Invention
In view of this, the invention aims to provide a sanitary-grade microporous heat exchanger based on 3D printing, which mainly has the advantages of ordered structure, small volume, high-efficiency heat exchange and the like.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a sanitary-grade microporous heat exchanger based on 3D printing comprises a columnar shell, wherein a cooling water joint assembly communicated with the interior of the shell is arranged on the outer wall of the shell; an inlet sanitary chuck and an outlet sanitary chuck are respectively arranged at the upper end and the lower end of the shell, a tree-shaped pipeline is arranged in the shell, the upper end and the lower end of the tree-shaped pipeline are respectively connected with the inlet sanitary chuck and the outlet sanitary chuck, and a space between the inner wall of the shell and the outer wall of the tree-shaped pipeline is a heat exchange gap; the inlet sanitary chuck is provided with a feeding channel communicated with the tree-shaped pipeline, and the outlet sanitary chuck is provided with a discharging channel communicated with the tree-shaped pipeline.
Compared with the prior art, the invention has the advantages that:
fluid materials enter the tree-shaped pipeline from the feeding channel and finally flow out from the discharging channel; simultaneously in cooling water gets into the casing from the cooling water joint subassembly, fully contact with the outer wall of arborescent pipeline, absorb the heat, realize the heat transfer function, the heat transfer area is fully enlarged in arborescent pipeline's design, promotes heat exchange efficiency.
Compared with traditional heat exchange equipment, the tree-shaped pipeline is orderly in structure and small in space volume on the premise of ensuring the heat exchange efficiency, and has great advantages in the field of micropore heat dissipation.
The fluid material can be through crossing and reposition of redundant personnel many times under arborescent pipeline's effect, can promote the reynolds number of fluid, optimizes the flow state of fluid material, makes the fluid material be in the turbulent flow state, and the heat exchange efficiency of turbulent flow state can reach the multiple of ordinary laminar flow state, promotes heat exchange efficiency by a wide margin.
Further, arborescent pipeline includes the arborescent tube coupling that a plurality of connected gradually in vertical direction, arborescent tube coupling is including the junction pipe, and connect in the bleeder at the upper and lower both ends of junction pipe, the junction pipe is the single tube, the bleeder assembles the structure in one end for a plurality of single tubes, the end that assembles of bleeder with the junction pipe intercommunication, through crossing and shunting the fluid material many times, makes the fluid material be in the turbulent state, improves heat exchange efficiency.
Furthermore, the lateral pipe comprises an inclined part and a vertical part, the inclined part takes the converging end of the lateral pipe as a central annular array to be distributed and radially inclined, and the inclined part distributed in the array can uniformly divide the fluid material into multiple parts, so that the material can be divided more orderly, and heat exchange is facilitated.
Furthermore, the connection mode of every two connected tree-shaped pipe sections is that the respective junction pipes are connected or the respective branch pipes are connected, so that the tree-shaped pipelines can be combined into different lengths according to actual requirements.
Furthermore, the cooling water joint assembly comprises a cooling water inlet joint and a cooling water outlet joint, the cooling water inlet joint and the cooling water outlet joint are communicated with the heat exchange gap, and the cooling water inlet joint is located below the cooling water outlet joint, so that cooling water can be filled in a space between the shell and the tree-shaped pipeline, and the heat exchange effect is ensured.
Furthermore, the cooling water inlet joint/the cooling water outlet joint is a pagoda joint or a chuck joint, and is stable to mount and wide in application range.
Further, the heat exchanger is the integral type 3D printing structure, specifically is the 3D printing of selective laser sintering technology, simplifies the process, simplifies the structure.
Furthermore, the heat exchanger is made of sanitary 316L stainless steel and is high in corrosion resistance.
Furthermore, the number of the tree-shaped pipelines is four, and the tree-shaped pipelines are arranged in parallel, so that heat exchange can be carried out on more materials at the same time, and the tree-shaped pipelines are suitable for a large-flow heat exchanger.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is a schematic diagram of the tree pipeline of FIG. 1;
FIG. 3 is a schematic cross-sectional view of FIG. 1;
fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.
Reference numerals: 1. a tree-like pipeline; 11. a tree-like pipe section; 11a, a junction pipe; 11b, a branch pipe; b1, inclined part; b2, vertical part; 2. a housing; 21. a heat exchange gap; 22. an inlet sanitary cartridge; 22a, a feed channel; 23. an outlet sanitary cartridge; 23a, a discharge channel; 31. a cooling water inlet joint; 32. and cooling the water outlet joint.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.
Example 1:
the embodiment provides a sanitary-grade microporous heat exchanger based on 3D printing, which is shown in fig. 1 and includes a cylindrical housing 2, an inlet sanitary chuck 22 and an outlet sanitary chuck 23 are respectively disposed at the upper end and the lower end of the housing 2, a tree-shaped pipeline 1 is disposed in the housing 2, and the upper end and the lower end of the tree-shaped pipeline 1 are respectively connected to the inlet sanitary chuck 22 and the outlet sanitary chuck 23; be equipped with the intercommunication on the entry health chuck 22 the feedstock channel 22a of tree-like pipeline 1, be equipped with the intercommunication on the export health chuck 23 the discharging channel 23a of tree-like pipeline 1 in the heat exchanger heat transfer process, the fluid material passes through feedstock channel 22a gets into in the tree-like pipeline 1 flow in the tree-like pipeline 1 and with heat transfer to the pipe wall, pass through afterwards discharging pipeline 23a flows.
The inner wall of casing 2 with space between the outer wall of arborescent pipeline 1 is heat transfer clearance 21, be equipped with the intercommunication on the outer wall of casing 2 the cooling water swivel subassembly in heat transfer clearance 21, the cooling water swivel subassembly includes cooling water supply connector 31 and cooling water connectors 32, cooling water supply connector 31 is located cooling water connectors 32 below heat exchanger heat transfer in-process, the cooling water passes through cooling water supply connector 31 gets into in the heat transfer clearance 21, the cooling water is filled up heat transfer clearance 21 is followed again cooling water connectors 32 flows out, and the cooling water absorbs arborescent pipeline 1's heat is in order to realize the heat transfer.
In this embodiment, the cooling water inlet joint 31 and the cooling water outlet joint 32 are both pagoda joints or chuck joints, and are stably installed and have a wide application range.
And, the heat exchanger formula structure as an organic whole, form through 3D printing, specifically for the 3D of metal layer powder selectivity laser sintering technology prints, and the material of chooseing for use is sanitary-grade 316L stainless steel, and corrosion resistance is strong, and is rigid connection between each part, compares in common connection methods such as welding, assembly, and this structure obtains very big simplification, has reduced the process.
Referring to fig. 2, the tree-shaped pipeline 1 includes a plurality of tree-shaped pipe sections 11 connected in a vertical direction, the tree-shaped pipe sections 11 include junction pipes 11a and branch pipes 11b connected to upper and lower ends of the junction pipes 11a, the junction pipes 11a are single pipes, in this embodiment, the branch pipes 11b preferably include a plurality of branch single pipes, one end of each branch single pipe is converged at one pipe orifice, the convergence end of the branch pipe 11b is communicated with the junction pipe 11a, and each tree-shaped pipe section 11 is communicated.
And the branch pipe 11b comprises an inclined part b1 and a vertical part b2, the inclined part b1 is distributed and inclined radially in an annular array by taking the converging end of the branch pipe 11b as a center, and the inclined part b1 distributed in the array can uniformly divide the fluid material into multiple parts, so that the material is divided more orderly, and heat exchange is facilitated.
Wherein, per two interconnect's dendriform tube coupling 1's connected mode is individual the junction pipe 11a links to each other or individual the lateral pipe 11b links to each other, in the in-service use demand, can make up dendriform pipeline 1 into different length, dendriform pipeline 1 contains dendriform tube coupling 11's quantity, and corresponding the quantity of lateral pipe 11b with the holistic heat exchange efficiency of heat exchanger becomes positive correlation, but considers 3D printing process's ultimate dimension, flow resistance, pipe wall intensity, dendriform pipeline 1 should not be overlength, dendriform tube coupling 11 and the quantity of lateral pipe 11b should not be too much.
Referring to fig. 3, the fluid material enters the branch pipes 11b of the tree-like pipeline 1 from the feeding channel 22a, is downwardly converged into the junction pipe 11a to form impact, is uniformly distributed into the branch pipes 11b of the next section, is repeatedly converged and distributed for multiple times, and finally flows out from the discharging channel 23 a; multiple times of intersection and diversion can improve the Reynolds number of fluid, optimize the flow state of fluid materials, enable the fluid materials to be in a turbulent flow state, and the heat exchange efficiency of the turbulent flow state can reach multiple times of that of a common laminar flow state. In addition, the complicated surface shape of the tree-shaped pipeline 1 can greatly increase the heat exchange area, so that the heat exchange efficiency is further improved.
It should be added that the number of the feeding channel 22a and the discharging channel 23a is the same as that of the branch pipes 11b, and the pipe diameters are the same, and the pipe diameter in this embodiment is preferably phi 0.5-2 mm according to different flow requirements.
Example 2:
the present embodiment provides a sanitary-grade microporous heat exchanger based on 3D printing, as shown in fig. 4, including the housing 2, the tree-shaped pipe 1, the inlet sanitary chuck 22, the outlet sanitary chuck 23, the cooling water inlet connector 31 and the cooling water outlet connector 32 in embodiment 1, the present embodiment is different from embodiment 1 in that the tree-shaped pipe 1 is multi-row, preferably four-row, the upper and lower ends of the four-row tree-shaped pipe 1 are respectively connected to the inlet sanitary chuck 22 and the outlet sanitary chuck 23, and the feeding channels 22a on the inlet sanitary chuck 22 and the discharging channels 23a on the outlet sanitary chuck 23 are the same in number and are communicated with the branch pipes 11b one by one.
Compared with a single-row tree-shaped pipeline 1, the multi-row tree-shaped pipeline 1 can exchange heat for more materials at the same time, and is suitable for a large-flow heat exchanger.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all technical solutions formed by equivalent substitutions or equivalent transformations fall within the scope of the present invention.
Claims (9)
1. The sanitary-grade microporous heat exchanger based on 3D printing is characterized by comprising a cylindrical shell (2), wherein a cooling water joint assembly communicated with the interior of the shell (2) is arranged on the outer wall of the shell (2); an inlet sanitary chuck (22) and an outlet sanitary chuck (23) are respectively arranged at the upper end and the lower end of the shell (2), a tree-shaped pipeline (1) is arranged in the shell (2), the upper end and the lower end of the tree-shaped pipeline (1) are respectively connected to the inlet sanitary chuck (22) and the outlet sanitary chuck (23), and a space between the inner wall of the shell (2) and the outer wall of the tree-shaped pipeline (1) is a heat exchange gap (21); be equipped with the intercommunication on entry health chuck (22) feedstock channel (22 a) of arborescent pipeline (1), be equipped with the intercommunication on export health chuck (23) feedstock channel (23 a) of arborescent pipeline (1).
2. The sanitary-grade microporous heat exchanger based on 3D printing is characterized in that the tree-shaped pipeline (1) comprises a plurality of tree-shaped pipe sections (11) which are sequentially connected in the vertical direction, the tree-shaped pipe sections (11) comprise junction pipes (11 a) and branch pipes (11 b) which are connected to the upper end and the lower end of the junction pipes (11 a), the junction pipes (11 a) are single pipes, the branch pipes (11 b) are structures in which a plurality of single pipes are converged at one end, and the convergence ends of the branch pipes (11 b) are communicated with the junction pipes (11 a).
3. 3D printing-based sanitary-grade microporous heat exchanger according to claim 2, characterized in that the branch pipes (11 b) comprise inclined parts (b 1) and vertical parts (b 2), the inclined parts (b 1) are radially inclined distributed in an annular array centered on the converging end of the branch pipes (11 b).
4. 3D printing-based sanitary-grade microporous heat exchanger according to claim 3, characterized in that every two interconnected tree-like pipe sections (1) are connected in such a way that the respective junction pipes (11 a) are connected or the respective branch pipes (11 b) are connected.
5. The sanitary-grade microporous heat exchanger based on 3D printing is characterized in that the cooling water joint assembly comprises a cooling water inlet joint (31) and a cooling water outlet joint (32), the cooling water inlet joint (31) and the cooling water outlet joint (32) are both communicated with the heat exchange gap (21), and the cooling water inlet joint (31) is located below the cooling water outlet joint (32).
6. Sanitary microporous heat exchanger based on 3D printing according to claim 5, characterised in that the cooling water inlet/outlet connection (31, 32) is a pagoda or chuck connection.
7. 3D printing-based sanitary-grade microporous heat exchanger according to claim 1, characterized in that the heat exchanger is of an integrated 3D printing structure, in particular 3D printing by a selective laser sintering process.
8. The sanitary-grade microporous heat exchanger based on 3D printing according to claim 7, wherein the heat exchanger is sanitary-grade 316L stainless steel.
9. 3-printing-based sanitary-grade microporous heat exchanger according to one of claims 1 to 8, characterized in that the number of the tree-like pipes (1) is four, and each tree-like pipe (1) is arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111488121.1A CN114136124A (en) | 2021-12-08 | 2021-12-08 | Sanitary-grade microporous heat exchanger based on 3D printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111488121.1A CN114136124A (en) | 2021-12-08 | 2021-12-08 | Sanitary-grade microporous heat exchanger based on 3D printing |
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| Publication Number | Publication Date |
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| CN114136124A true CN114136124A (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111488121.1A Pending CN114136124A (en) | 2021-12-08 | 2021-12-08 | Sanitary-grade microporous heat exchanger based on 3D printing |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846467A (en) * | 2010-04-28 | 2010-09-29 | 东南大学 | Shell-tube heat exchanger |
| CN102080937A (en) * | 2011-01-28 | 2011-06-01 | 东南大学 | I-shaped tree type cross flow heat exchanger |
| CN105258533A (en) * | 2015-11-17 | 2016-01-20 | 中国科学院上海高等研究院 | Shell-and-tube heat exchanger of fractal structure |
| CN205957770U (en) * | 2016-08-19 | 2017-02-15 | 新奥（中国）燃气投资有限公司 | Heat exchanger |
| CN106767018A (en) * | 2016-11-30 | 2017-05-31 | 中国科学院上海高等研究院 | Couple the fractal fork structure heat exchanger of jacket type |
| KR20170089597A (en) * | 2016-01-27 | 2017-08-04 | 박천수 | The heat exchangers using a 3D printer |
| CN109579575A (en) * | 2018-11-16 | 2019-04-05 | 大连海事大学 | Divide shape channel printed circuit sheet heat exchanger |
| CN111780608A (en) * | 2020-07-14 | 2020-10-16 | 北京石油化工学院 | Dividing wall type heat exchanger based on hollow ball complex channel |
| CN113154922A (en) * | 2021-04-27 | 2021-07-23 | 西安交通大学 | Bionic phase-change energy-storage steam cavity module |
-
2021
- 2021-12-08 CN CN202111488121.1A patent/CN114136124A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846467A (en) * | 2010-04-28 | 2010-09-29 | 东南大学 | Shell-tube heat exchanger |
| CN102080937A (en) * | 2011-01-28 | 2011-06-01 | 东南大学 | I-shaped tree type cross flow heat exchanger |
| CN105258533A (en) * | 2015-11-17 | 2016-01-20 | 中国科学院上海高等研究院 | Shell-and-tube heat exchanger of fractal structure |
| KR20170089597A (en) * | 2016-01-27 | 2017-08-04 | 박천수 | The heat exchangers using a 3D printer |
| CN205957770U (en) * | 2016-08-19 | 2017-02-15 | 新奥（中国）燃气投资有限公司 | Heat exchanger |
| CN106767018A (en) * | 2016-11-30 | 2017-05-31 | 中国科学院上海高等研究院 | Couple the fractal fork structure heat exchanger of jacket type |
| CN109579575A (en) * | 2018-11-16 | 2019-04-05 | 大连海事大学 | Divide shape channel printed circuit sheet heat exchanger |
| CN111780608A (en) * | 2020-07-14 | 2020-10-16 | 北京石油化工学院 | Dividing wall type heat exchanger based on hollow ball complex channel |
| CN113154922A (en) * | 2021-04-27 | 2021-07-23 | 西安交通大学 | Bionic phase-change energy-storage steam cavity module |
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