CN211782915U - High-efficiency heat exchanger - Google Patents
High-efficiency heat exchanger Download PDFInfo
- Publication number
- CN211782915U CN211782915U CN202020272142.4U CN202020272142U CN211782915U CN 211782915 U CN211782915 U CN 211782915U CN 202020272142 U CN202020272142 U CN 202020272142U CN 211782915 U CN211782915 U CN 211782915U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- tube bundle
- tube
- heat exchanger
- end plate
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a high-efficiency heat exchanger, which belongs to the technical field of heat energy exchange equipment and comprises a cylinder and a heat exchange tube bundle arranged in the cylinder, wherein the heat exchange tube bundle comprises an end plate, a plurality of heat exchange tubes are integrally arranged on the end plate, and the end plate of the heat exchange tube bundle is connected with the cylinder; the heat exchange tubes are arranged on the end plate in a dense tube bundle, and a heat exchange gap is formed between every two adjacent heat exchange tubes; the heat exchange tube comprises an inner tube positioned inside the heat exchange tube bundle and an outer tube positioned outside the heat exchange tube bundle, and the inner tube is of a continuously bent tubular structure. The heat exchange gap is matched with the inner pipe of the continuous bending tubular structure, so that the heat exchange contact area is increased, and the sufficient heat exchange contact is realized, thereby achieving the purpose of improving the heat exchange efficiency on the basis of not changing the inner structure of the pipe bundle.
Description
Technical Field
The utility model belongs to the technical field of heat energy exchange equipment technique and specifically relates to a high-efficient heat exchanger is related to.
Background
A heat exchanger is a device that transfers part of the heat of a hot fluid to a cold fluid, also called a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, particularly the heat exchanger in chemical industry can be used as a heater, a cooler, a condenser, a reboiler and the like, and the application is very wide.
The prior Chinese patent with the publication number of CN208075627U discloses an S-shaped heat exchanger, which comprises a cylinder, a heat transfer tube bundle and a tube pass joint, wherein the cylinder is a mechanism with openings at two ends, the side walls of the two ends of the cylinder are respectively provided with a connecting tube inlet and a connecting tube outlet, and the connecting tube inlet and the connecting tube outlet are communicated with an inner cavity of the cylinder. The heat transfer tube bundle comprises a plurality of heat transfer tubes, foam metal is arranged in the heat transfer tubes, and the foam metal is matched with the heat transfer tubes and is fixedly connected in the heat transfer tubes. Tube side structure fixed connection is at the both ends of barrel, and heat transfer tube bank sets up in the inner chamber of barrel, and heat transfer tube bank's both ends respectively with tube hole sealing connection, through the mode that sets up foam metal in heat transfer tube bank to reach the velocity of flow that reduces the fluid, increase liquid heat exchange efficiency, reduce the purpose of heat loss.
The mode of arranging the foam metal in the heat transfer tube bundle to improve the liquid heat exchange efficiency needs to change the original tube bundle internal structure, and the processing and manufacturing process of adding the foam metal in the tube bundle is complex, and the prior art has the improvement part.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a high-efficient heat exchanger through increasing heat transfer area of contact, realizes the mode of abundant heat transfer contact simultaneously, reaches the purpose that improves the heat exchange efficiency on the basis that does not change the tube bank inner structure.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a high-efficiency heat exchanger comprises a cylinder and a heat exchange tube bundle arranged in the cylinder, wherein the heat exchange tube bundle comprises an end plate, a plurality of heat exchange tubes are integrally arranged on the end plate, and the end plate of the heat exchange tube bundle is connected with the cylinder; the heat exchange tubes are arranged on the end plate in a dense tube bundle, and a heat exchange gap is formed between every two adjacent heat exchange tubes; the heat exchange tube comprises an inner tube and an outer tube, wherein the inner tube is located inside the heat exchange tube bundle, the outer tube is located outside the heat exchange tube bundle, and the inner tube is of a continuous bending tubular structure.
Through adopting above-mentioned technical scheme, outside liquid can get into to heat exchanger tube bank's inside via the heat transfer clearance to realize abundant heat transfer operation, increased heat exchanger tube bank's heat transfer area of contact simultaneously to a certain extent, and only set up heat exchanger tube bank's inner tube into the tubular structure of buckling in succession, the maximum structural change that has reduced heat exchanger tube bank when increasing heat transfer area of contact. The heat exchange gap is matched with the inner pipe of the continuous bending tubular structure, so that the heat exchange contact area is increased, and the sufficient heat exchange contact is realized, thereby achieving the purpose of improving the heat exchange efficiency on the basis of not changing the inner structure of the pipe bundle.
The present invention may be further configured in a preferred embodiment as: the heat exchange tube bundle is arranged to be a linear tube bundle, and the heat exchange tubes of the linear tube bundle extend linearly from the liquid inlet of the cylinder to the liquid outlet of the cylinder.
Through adopting above-mentioned technical scheme, set up heat exchange tube bundle into the linearity tube bundle, the linearity tube bundle is applicable to the lower heat transfer operation of temperature demand.
The present invention may be further configured in a preferred embodiment as: the heat exchange tube bundle is set as a circulating tube bundle, and the heat exchange tubes of the circulating tube bundle extend from the liquid inlet of the cylinder to the liquid outlet of the cylinder and then are bent reversely to extend to the liquid inlet of the cylinder.
Through adopting above-mentioned technical scheme, set up heat exchange tube bundle into circulating tube bundle of buckling, circulating tube bundle is applicable to the higher heat transfer operation of temperature demand.
The present invention may be further configured in a preferred embodiment as: the heat exchange tube bundle comprises a plurality of groups of integrated tube bundles, each integrated tube bundle comprises an installation plate and a plurality of heat exchange tubes arranged on the installation plate, and the installation plates of the integrated tube bundles are fixed on the end plates; an intermediate gap is formed between the adjacent integrated tube bundles, and the distance value of the intermediate gap is 5-10 times that of the heat exchange gap.
By adopting the technical scheme, the installation plate and the heat exchange tube are installed to form the integrated tube bundle, and then the integrated tube bundle and the end plate form the heat exchange tube bundle, namely the heat exchange tube bundle is formed by adopting a modularized installation mode, so that the assembly convenience and the production and processing simplicity are better; in the assembled heat exchange tube bundle, the intermediate gap between the adjacent integrated tube bundles is 5-10 times of the heat exchange gap between the adjacent heat exchange tubes, so that liquid outside the heat exchange tube bundle can quickly and stably flow into the heat exchange tube bundle through the intermediate gap, and the aim of improving the heat exchange sufficiency of the heat exchange tube bundle is further fulfilled.
The present invention may be further configured in a preferred embodiment as: the end plate is provided with mounting holes, and the mounting plates of the tube bundle are clamped and locked at the corresponding mounting holes.
Through adopting above-mentioned technical scheme, adopt the mounting means of joint earlier then locking, compare in simple welding operation, have better installation convenience.
The present invention may be further configured in a preferred embodiment as: the heat exchange tube bundle further comprises a fixing plate, the heat exchange tubes penetrate through the fixing plate and are welded and fixed with the fixing plate, and the heat exchange tubes are adjacent to the fixing plate and are arranged at equal intervals.
Through adopting above-mentioned technical scheme, equidistant welding of heat exchange tube arranges the fixed plate to reach the purpose that improves heat exchange tube bank structural strength and stability in use.
The present invention may be further configured in a preferred embodiment as: be connected with the reinforcement member between end plate and the fixed plate, just the reinforcement member is extended to set up by the direction of the inlet of barrel towards its liquid outlet.
Through adopting above-mentioned technical scheme, adopt stiffener welded connection fixed end plate and fixed plate to and fixed plate, reach the purpose that further improves heat exchanger tube bank structural strength and stability in use.
The present invention may be further configured in a preferred embodiment as: the outer edge of the fixing plate is uniformly provided with clamping openings, and the reinforcing rod pieces are clamped in the corresponding clamping openings and are welded and fixed.
Through adopting above-mentioned technical scheme, evenly set up a plurality of joint opening at the outer border of fixed plate, the operation personnel can be according to the fixed stiffener of joint opening installation of actual demand selection suitable position, have better installation operation convenience and flexibility.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the heat exchange gap is matched with the inner pipe of the continuous bent tubular structure, so that the heat exchange contact area is increased, the full heat exchange contact is realized, and the purpose of improving the heat exchange efficiency on the basis of not changing the inner structure of the pipe bundle is achieved;
2. the fixing plate, the reinforcing rod piece and the end plate are matched to achieve the purposes of improving the structural strength and the use stability of the heat exchange tube bundle and improving the convenience of installation operation;
3. the heat exchange gaps and the middle gaps are arranged, and the size of the distance value of the middle gaps is limited, so that the purpose of improving the heat exchange sufficiency is achieved.
Drawings
FIG. 1 is a schematic diagram of the general structure of a high-efficiency heat exchanger in the first embodiment;
FIG. 2 is a schematic longitudinal sectional view of a high efficiency heat exchanger according to a first embodiment;
FIG. 3 is a schematic structural diagram of a heat exchange tube bundle in the first embodiment;
FIG. 4 is a schematic view of a connection structure for showing the end plate and the mounting plate;
FIG. 5 is a schematic view of a mid-gap configuration of a heat exchange tube bundle, primarily for use in illustrating a first embodiment;
FIG. 6 is a schematic structural view of the inner tube in the first embodiment;
FIG. 7 is a schematic view of the structure of the fixing plate;
FIG. 8 is a schematic view of the overall structure of a high-efficiency heat exchanger according to the second embodiment;
FIG. 9 is a schematic structural view of a heat exchange tube bundle in the second embodiment;
FIG. 10 is a schematic structural view of the inner tube in the second embodiment.
In the figure, 1, a cylinder; 11. a liquid inlet; 12. a liquid outlet; 13. an open structure; 14. sealing the end; 2. a heat exchange tube bundle; 21. an inner tube; 22. an outer tube; 3. an end plate; 4. a heat exchange pipe; 5. a pipe shell interlayer; 6. an integrated tube bundle; 61. mounting a plate; 611. mounting holes; 7. a heat exchange gap; 8. a middle gap; 9. a fixing plate; 91. a reinforcing bar member; 92. and clamping the opening.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1 and 2, a high-efficiency heat exchanger includes a cylindrical body 1 having a cylindrical tubular structure, a heat exchange tube bundle 2 having a cylindrical tubular structure is installed in the cylindrical body 1, and referring to fig. 2 and 3, the heat exchange tube bundle 2 includes an end plate 3 and a plurality of heat exchange tubes 4 fixed on the end plate 3, and the heat exchange tubes 4 are connected and fixed with the cylindrical body 1 through the end plate 3. The heat exchange tube bundle 2 is arranged in the cylinder 1, and a tube shell interlayer 5 is formed between the heat exchange tube bundle 2 and the cylinder 1; two liquids for heat exchange in the cylinder 1, one liquid flows in the tube-shell interlayer 5 and is called as a shell-side fluid, the other liquid flows in the heat exchange tube bundle 2 and is called as a tube-side fluid, and the shell-side fluid and the tube-side fluid have temperature difference, so that heat transfer can be completed in the cylinder 1.
As shown in fig. 2 and fig. 3, in this embodiment, the cylinder 1 has a linear pipeline structure, two ends of a cylinder body of the cylinder 1 respectively extend upwards to form a liquid inlet 11 and a liquid outlet 12, and the liquid inlet 11 and the liquid outlet 12 of the cylinder 1 are both communicated with an external pipeline, so as to realize the circulation flow of the shell-side fluid. The heat exchange tube bundle 2 in the cylinder 1 is also a linear tube bundle, and the heat exchange tubes 4 forming the linear tube bundle extend linearly from the liquid inlet 11 to the liquid outlet 12 of the cylinder 1; the left end and the right end of the cylinder body 1 are both provided with the opening structures 13 and are connected with the external pipeline, so that the left end and the right end of the heat exchange tube bundle 2 can be respectively communicated with the external pipeline through the opening structures 13 at the left end and the right end of the cylinder body 1, and the circulating flow of tube side fluid is realized.
Referring to fig. 3 and 4, the heat exchange tube bundle 2 includes end plates 3 at two ends and a plurality of groups of integrated tube bundles 6 installed between the two end plates 3, each group of integrated tube bundles 6 includes a plurality of heat exchange tubes 4, mounting plates 61 are welded at two ends of each heat exchange tube 4, a plurality of mounting holes 611 are formed in the mounting plates 61 in advance according to the design arrangement of the heat exchange tubes 4, and the heat exchange tubes 4 and the corresponding mounting holes 611 are communicated and welded and fixed in a penetrating manner. The multiple groups of the tube bundles 6 consisting of the two mounting plates 61 and the plurality of heat exchange tubes 4 are mounted on the two end plates 3, and finally the tube body 1 and the heat exchange tube bundles 2 are fixedly connected through the end plates 3, so that the assembly operation of the heat exchanger is completed.
The heat exchange tube bundle 2 constructed as shown in fig. 3 and 4 is explained as an example: the end plate 3 is a disc-shaped plate structure, two mounting holes 611 are symmetrically formed in the end plate 3, and the mounting plates 61 of the tube bundle 6 are clamped in the corresponding mounting holes 611 and welded and fixed. The mounting plate 61 is a semicircular plate structure, and the heat exchange tubes 4 on the mounting plate 61 are arranged in a dense tube bundle, namely, the number of the heat exchange tubes 4 at the semicircular diameter side gradually transited to the mounting plate 61 from the outer side edge of the mounting plate 61 is gradually increased.
Referring to fig. 3 and 5, heat exchange gaps 7 are formed between adjacent heat exchange tubes 4, and after the tube bundles 6 are mounted on the two end plates 3, intermediate gaps 8 are formed between the adjacent tube bundles 6, and the distance value of the intermediate gaps 8 needs to be 5-10 times of the distance value of the heat exchange gaps 7, so that the shell-side fluid can smoothly flow into the heat exchange tube bundles 2 through the intermediate gaps 8 with large distances, and simultaneously can flow into the groups of the tube bundles 6 through the heat exchange gaps 7 with small distances, thereby achieving the purpose of achieving sufficient heat exchange operation. Referring to fig. 3 and 6, the heat exchanger comprises an inner tube 21 inside and an outer tube 22 outside, wherein the inner tube 21 is a continuous bent tubular structure, which is similar to a serpentine tube structure, i.e., the portions of each of the bundles of integration tubes 6 close to each other inside are continuous bent tubular structures, and after the bundles of integration tubes 6 are assembled to form the heat exchanger bundle 2, the inner core of the heat exchanger bundle 2 is formed by the heat exchanger tubes 4 of the continuous bent tubular structures.
Referring to fig. 3 and 7, for the purpose of structural strength and stability of the heat exchange tube bundle 2, fixing plates 9 are further connected to the heat exchange tube bundle 2, and the fixing plates 9 are arranged at equal intervals; the fixing plate 9 is a circular plate structure or an arc-shaped plate structure, the heat exchange tubes 4 of each group of the integrated tube bundles 6 of the heat exchange tube bundle 2 penetrate through the fixing plate 9 and are welded and fixed, a reinforcing rod member 91 is connected between the fixing plates 9 or between the fixing plate 9 and the end plate 3 in a penetrating and locking manner, and the reinforcing rod member 91 extends along the linear direction of the liquid inlet 11 of the cylinder 1 towards the liquid outlet 12 of the cylinder. In order to facilitate the installation and fixation of the reinforcing rod member 91 by the operating personnel, the outer edge of the fixing plate 9 is uniformly provided with clamping notches 92, and the reinforcing rod member 91 is clamped in the corresponding clamping notches 92 and is welded and fixed.
Example two:
with reference to fig. 8 and 9, a high-efficiency heat exchanger differs from the first embodiment in that: the heat exchange tube bundle 2 in this embodiment is a circulating tube bundle, and the heat exchange tubes 4 of the circulating tube bundle are U-shaped, that is, the heat exchange tubes 4 extend from the liquid inlet 11 of the barrel 1 to the liquid outlet 12 along a straight line, and then are bent reversely and extend to the liquid inlet 11 of the barrel 1 along a straight line, and the two ends of the heat exchange tubes 4 of the U-shaped structure respectively penetrate through the corresponding mounting plates 61. In this embodiment, one end of the cylinder 1 is provided with a sealing head 14, and the other end is provided with an opening structure 13, i.e. both ends of the heat exchange tube 4 are respectively communicated with two external independent pipelines from one end of the opening structure 13 of the cylinder 1. As shown in fig. 10, the inner tube 21 in this embodiment is a heat exchange tube 4 of a continuous bent structure of an approximately U shape.
The utility model is further explained by combining the specific principle as follows:
firstly, the heat exchange tubes 4 are matched with the mounting plates 61 to form the integrated tube bundles 6, and then each group of integrated tube bundles 6 is matched with the end plates 3 to form the main structure of the heat exchange tube bundle 2, in the process, the middle gaps 8 formed between the adjacent integrated tube bundles 6 are matched with the heat exchange gaps 7 formed between the adjacent heat exchange tubes 4 to realize the sufficient heat exchange contact of the heat exchange tube bundle 2; secondly, the inner tube 21 of the heat exchange tube bundle 2 is manufactured by adopting a continuous bending tubular structure to replace the original linear inner tube 21 or the U-shaped inner tube 21, so as to achieve the purpose of improving the heat exchange contact area of the heat exchange tube 4. The efficient heat exchanger comprehensively improves two modes of heat exchange contact sufficiency and heat exchange contact area, and achieves the purpose of improving heat exchange efficiency.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a high-efficient heat exchanger, is including barrel (1) and set up heat exchanger tube bank (2) in barrel (1), its characterized in that: the heat exchange tube bundle (2) comprises an end plate (3), a plurality of heat exchange tubes (4) are integrally installed on the end plate (3), and the end plate (3) of the heat exchange tube bundle (2) is connected with the cylinder body (1); the heat exchange tubes (4) are arranged on the end plate (3) in a dense tube bundle, and a heat exchange gap (7) is formed between every two adjacent heat exchange tubes (4); the heat exchange tube (4) comprises an inner tube (21) located inside the heat exchange tube bundle (2) and an outer tube (22) located outside the heat exchange tube bundle (2), and the inner tube (21) is of a continuous bending tubular structure.
2. A high efficiency heat exchanger as claimed in claim 1, wherein: the heat exchange tube bundle (2) is arranged to be a linear tube bundle, and the heat exchange tubes (4) of the linear tube bundle extend linearly from the liquid inlet (11) of the cylinder body (1) to the liquid outlet (12) of the cylinder body in the direction.
3. A high efficiency heat exchanger as claimed in claim 1, wherein: the heat exchange tube bundle (2) is set as a circulating tube bundle, and the heat exchange tubes (4) of the circulating tube bundle extend from the liquid inlet (11) of the cylinder body (1) to the liquid outlet (12) of the cylinder body and then reversely bend and extend to the liquid inlet (11) of the cylinder body (1).
4. A high efficiency heat exchanger as claimed in claim 1, wherein: the heat exchange tube bundle (2) comprises a plurality of groups of integrated tube bundles (6), each integrated tube bundle (6) comprises an installation plate (61) and a plurality of heat exchange tubes (4) arranged on the installation plate (61), and the installation plates (61) of the integrated tube bundles (6) are fixed on the end plates (3); an intermediate gap (8) is formed between the adjacent integrated tube bundles (6), and the distance value of the intermediate gap (8) is 5-10 times that of the heat exchange gap (7).
5. A high efficiency heat exchanger as claimed in claim 4, wherein: the end plate (3) is provided with mounting holes (611), and the mounting plates (61) of the tube bundles (6) are clamped and locked at the corresponding mounting holes (611).
6. A high efficiency heat exchanger as claimed in any one of claims 1 to 5, wherein: the heat exchange tube bundle (2) further comprises a fixing plate (9), the heat exchange tubes (4) penetrate through the fixing plate (9) and are fixedly welded with the fixing plate (9), and the fixing plate (9) is arranged adjacently and equidistantly.
7. A high efficiency heat exchanger as claimed in claim 6, wherein: be connected with between end plate (3) and fixed plate (9) and strengthen member (91), just strengthen member (91) and extend the setting by inlet (11) of barrel (1) towards the direction of its liquid outlet (12).
8. A high efficiency heat exchanger as claimed in claim 7, wherein: the outer edge of the fixing plate (9) is uniformly provided with clamping openings (92), and the reinforcing rod piece (91) is clamped in the corresponding clamping openings (92) and is welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020272142.4U CN211782915U (en) | 2020-03-06 | 2020-03-06 | High-efficiency heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020272142.4U CN211782915U (en) | 2020-03-06 | 2020-03-06 | High-efficiency heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211782915U true CN211782915U (en) | 2020-10-27 |
Family
ID=72940089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020272142.4U Expired - Fee Related CN211782915U (en) | 2020-03-06 | 2020-03-06 | High-efficiency heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211782915U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116099323A (en) * | 2023-03-17 | 2023-05-12 | 李爽 | Organic waste gas adsorption and filtration treatment system and treatment method |
-
2020
- 2020-03-06 CN CN202020272142.4U patent/CN211782915U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116099323A (en) * | 2023-03-17 | 2023-05-12 | 李爽 | Organic waste gas adsorption and filtration treatment system and treatment method |
| CN116099323B (en) * | 2023-03-17 | 2023-12-29 | 江苏国彩环保科技有限公司 | Organic waste gas adsorption and filtration treatment system and treatment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101566437B (en) | Composite sleeve double-helix heat exchanger | |
| US20150300746A1 (en) | Heat exchanger tube and heat exchanger employing the same | |
| CN103954153B (en) | The pure reverse stream pipe shell heat exchanger of multipaths | |
| CN103221773A (en) | Heat exchanger assembly and method | |
| US20130299132A1 (en) | Heat exchanger assembly and method of manufacturing therefor | |
| WO2017114107A1 (en) | Double-row bent type heat exchanger and manufacturing method therefor | |
| CN101363694A (en) | Shell-pipe head exchanger by double helix flowing of fluid medium in or out of heat exchange tube | |
| CN211782915U (en) | High-efficiency heat exchanger | |
| JP3052121B2 (en) | Heat exchanger | |
| US9234711B2 (en) | Coil and heat exchanger with the same | |
| CN110567298B (en) | Nested formula spiral baffling board and heat exchanger | |
| CN205843436U (en) | A kind of heat exchanger of thermal source Multi-class propagation | |
| CN105202948A (en) | Reverse flow type spiral baffle plate U-shaped pipe bundle heat exchanger | |
| CN109974509A (en) | A kind of baffle plate component | |
| CN212645450U (en) | Horizontal stacked multi-tube pass heat exchanger | |
| CN113513932B (en) | Heat exchanger and system thereof | |
| CN212030284U (en) | Modular salt melting sleeve heat exchanger structure with expansion joint | |
| CN213902024U (en) | Shell and tube heat exchanger | |
| CN210833155U (en) | Tube box coupling U-shaped heat exchange tube type multi-tube pass heat exchanger | |
| CN210346409U (en) | Double-flow-channel shell-and-tube heat exchanger | |
| CN113566606A (en) | Fixed tube sheet type three-strand flow heat exchanger | |
| CN116907239B (en) | Air cooler tube bundle | |
| KR102123760B1 (en) | A heat exchanger having partition tubes for improving heat exchange performance | |
| CN111336841A (en) | Enclosed stack type micro-channel heat exchanger | |
| CN217275737U (en) | Heat exchanger and heat exchange assembly thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 |