CN117213303A - Shell-and-tube heat exchanger with adjustable heat exchange area - Google Patents
Shell-and-tube heat exchanger with adjustable heat exchange area Download PDFInfo
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- CN117213303A CN117213303A CN202311430337.1A CN202311430337A CN117213303A CN 117213303 A CN117213303 A CN 117213303A CN 202311430337 A CN202311430337 A CN 202311430337A CN 117213303 A CN117213303 A CN 117213303A
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- 239000012530 fluid Substances 0.000 claims abstract description 99
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 230000001105 regulatory effect Effects 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 238000005192 partition Methods 0.000 claims description 17
- 230000000694 effects Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The application relates to a shell-and-tube heat exchanger with an adjustable heat exchange area, and belongs to the technical field of heat exchangers. Comprises a shell, a tube bundle, a baffle plate, a first adjusting plate, a second adjusting plate and a water pressure feedback plate; the shell comprises a sealing cover, a baffle plate is arranged in the shell, the inner side wall of the sealing cover, the baffle plate, the first adjusting plate, the second adjusting plate and the water pressure feedback plate jointly enclose a sealed flow adjusting cavity, and a driving element for driving the flow adjusting cavity to expand and contract is arranged in the flow adjusting cavity; the baffle, the second adjusting plate, the water pressure feedback plate and the tube plate jointly enclose a water flow backflushing cavity. When the flow regulating cavity is increased, the water pressure feedback plate, the first regulating plate and the second regulating plate are driven to rotate towards the inside of the first fluid distributing cavity, the volume of the first fluid distributing cavity is reduced, the purpose of regulating the heat exchanger is achieved, and meanwhile, the first regulating plate and the second regulating plate cover part of the tube bundles, so that the heat exchange area of the heat exchanger is reduced, and the flow and the heat exchange area of the heat exchanger can be mutually matched.
Description
Technical Field
The application belongs to the technical field of heat exchangers, and particularly relates to a shell-and-tube heat exchanger with an adjustable heat exchange area.
Background
The heat exchange area of the existing fixed tube-plate heat exchanger is fixed, and in the actual use process, if the fixed tube-plate heat exchanger is adopted to cool oil, the high-temperature oil is usually only required to be cooled to a certain temperature, and the relative performance of the oil can be influenced by the too high or the too low temperature. When the temperature difference of the two heat exchange fluids is constant with the heat exchange area of the heat exchanger, the larger the flow of the heat exchange fluid is, the worse the cooling effect is, otherwise, if the flow of the heat exchange fluid is too small, the too much cooling of the heat exchange fluid is caused, and the operation stability of related equipment is not facilitated.
Disclosure of Invention
In order to solve the problems, the application provides a shell-and-tube heat exchanger with an adjustable heat exchange area, which effectively solves the technical problem that heat exchange fluid is too high or too low in temperature after passing through the heat exchanger due to the fact that the heat exchange area of the heat exchanger is fixed.
In order to achieve the above purpose, the application is implemented according to the following technical scheme:
in one embodiment of the present application, a shell-and-tube heat exchanger with an adjustable heat exchange area includes:
the shell comprises a main body and sealing covers which are detachably arranged at two ends of the main body, wherein an inner cavity of the sealing cover is a first fluid distribution cavity and a first fluid convergence cavity, and the inner cavity of the main body is a heat exchange cavity; the first fluid distribution cavity and the heat exchange cavity, the heat exchange cavity and the first fluid convergence cavity are respectively separated by a tube plate;
the tube bundles are arranged in the heat exchange cavity at intervals, and two ends of the tube bundles are respectively communicated with the first fluid distribution cavity and the first fluid convergence cavity;
the baffle plate is arranged in the first fluid distribution cavity, the baffle plates are installed in the sealing cover at intervals, one end, close to the tube plate, of the baffle plate is abutted to the tube plate, and the tube plate is respectively provided with a plurality of water inlet areas;
one end of the first adjusting plate is hinged with the partition plate, and the other end of the first adjusting plate extends towards the direction of the tube plate;
the second adjusting plate is slidably mounted on the first adjusting plate, and one end, close to the tube plate, of the second adjusting plate is abutted against the tube plate; and
The water pressure feedback plate is hinged with the sealing cover at one end and is hinged with the second adjusting plate at the other end;
the inner side wall of the sealing cover, the partition plate, the first regulating plate, the second regulating plate and the water pressure feedback plate jointly enclose a sealed flow regulating cavity, and a driving element for driving the flow regulating cavity to expand and contract is arranged in the flow regulating cavity; the partition plate, the second adjusting plate, the water pressure feedback plate and the tube plate jointly enclose a water flow backflushing cavity, and the water flow backflushing cavity can be communicated with the tube bundle.
In some embodiments, the length of the partition is smaller than the length of the first fluid distribution chamber, and a first fluid inlet pipe communicated with the first fluid distribution chamber is arranged at one end of the shell away from the partition.
In some embodiments, the driving element is an airbag connected to an air tank for adjusting a volume-to-internal pressure variation relationship of the airbag through a communication pipe.
In some embodiments, the communicating pipe is provided with a pressure sensor, the pressure sensor is connected with the first controller, the main body is provided with a second fluid inflow pipe and a second fluid outflow pipe, the second fluid inflow pipe is provided with a valve, and the valve is electrically connected with the first controller.
In some embodiments, the inner sidewall of the cover is configured with a recess that matches the position of the balloon.
In some embodiments, the hydraulic feedback plate is arcuate.
In some embodiments, the driving element is a resilient element, one end of which is connected to the second adjustment plate and the other end of which is connected to the cover.
In some embodiments, the elastic element is a spring or torsion spring.
In some embodiments, a first sealing groove is respectively configured on the side wall of the first adjusting plate, the side wall of the second adjusting plate and the side wall of the water pressure feedback plate, and a first sealing gasket is embedded in the first sealing groove; the side surface of the first adjusting plate, which is close to the second adjusting plate, is provided with a second sealing groove in an embedded manner.
In some embodiments, the driving element is an electric telescopic rod, and the electric telescopic rod is electrically connected with the second controller.
The application has the beneficial effects that:
according to the application, the flow regulating cavity capable of expanding towards the inside of the first fluid distribution cavity is arranged in the first fluid distribution cavity, when the flow regulating cavity is increased, the water pressure feedback plate is driven to rotate towards the inside of the first fluid distribution cavity, so that the first regulating plate and the second regulating plate are driven to rotate towards the inside of the first fluid distribution cavity, the volume of the first fluid distribution cavity is reduced, the purpose of regulating the heat exchanger is achieved, meanwhile, the first regulating plate and the second regulating plate cover part of the tube bundle, so that the heat exchange area of the heat exchanger is reduced, the flow and the heat exchange area of the heat exchanger can be mutually matched, and the temperature of the first fluid after passing through the heat exchanger can be effectively ensured to be within a set range.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a heat exchanger according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a main structure of an embodiment of the present application;
FIG. 3 is a schematic view of a cover according to an embodiment of the present application;
FIG. 4 is a schematic view of a bulkhead mounting according to an embodiment of the application;
FIG. 5 is a schematic cross-sectional view of an embodiment of the present application;
FIG. 6 is a schematic view of an airbag installation in accordance with an embodiment of the present application;
FIG. 7 is a schematic view of an embodiment of the application in which the elastic element is installed;
FIG. 8 is a schematic view of an embodiment of the application in which an electric telescopic rod is installed;
FIG. 9 is a first controller control block diagram according to an embodiment of the present application;
in the figure, 1, a shell; 101. a main body; 102. a cover; 103. a recess; 2. a first fluid distribution chamber; 3. a heat exchange cavity; 4. a first fluid collection chamber; 5. a tube sheet; 6. a tube bundle; 7. a partition plate; 8. a water inlet area; 9. a first adjustment plate; 10. a second adjusting plate; 11. a water pressure feedback plate; 12. a flow regulating chamber; 13. a driving element; 131. an air bag; 132. an elastic element; 133. an electric telescopic rod; 14. a water flow recoil cavity; 15. a valve; 16. a gas storage tank; 17. a pressure sensor; 18. a first controller; 19. a second fluid inflow tube; 20. a second fluid outflow tube.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present application more apparent, preferred embodiments of the present application will be described in detail below with reference to the accompanying drawings, so as to facilitate understanding of the skilled person.
The shell-and-tube heat exchanger is a dividing wall type heat exchanger taking the wall surface of a tube bundle enclosed in a shell as a heat transfer surface, the heat exchange area is the sum of the surface areas of all the tube bundles, the heat exchange area is generally determined by the total number of the tube bundles, and in the actual use process, the corresponding fluid is only required to be cooled to a certain range. When the temperature difference of the two heat exchange fluids is constant, the larger the flow of the heat exchange fluid is, the larger the heat exchange area is needed to cool the corresponding heat exchange fluid to the set temperature, otherwise, the smaller heat exchange area is needed, the phenomenon that the heat exchange fluid is too low in temperature to influence the stable operation of related equipment is avoided, and the energy waste is reduced. Therefore, a heat exchanger with an adjustable heat exchange area is needed.
Referring to fig. 1 to 5, in one embodiment of the present application, there is provided a shell-and-tube heat exchanger with an adjustable heat exchange area, including: a shell 1, a tube bundle 6, a first adjusting plate 9, a second adjusting plate 10 and a water pressure feedback plate 11; the housing 1 has a hollow rectangular parallelepiped shape or a hollow cylindrical shape. The shell 1 comprises a main body 101 and sealing covers 102 which are detachably arranged at two ends of the main body 101, wherein the inner cavity of the sealing cover 102 is a first fluid distribution cavity 2 and a first fluid convergence cavity 4, and the inner cavity of the main body 101 is a heat exchange cavity 3; the first fluid distribution cavity 2 and the heat exchange cavity 3, the heat exchange cavity 3 and the first fluid convergence cavity 4 are respectively separated by a tube plate 5; the tube bundles 6 are arranged in the heat exchange cavity 3 at intervals, and two ends of the tube bundles 6 respectively penetrate through the tube plates 5, so that two ends of the tube bundles 6 are respectively communicated with the first fluid distribution cavity 2 and the first fluid convergence cavity 4; the baffle 7 is arranged in the first fluid distribution chamber 2, the baffle 7 is installed in the sealing cover 102 at intervals, one end of the baffle 7, which is close to the tube plate 5, is abutted against the tube plate 5, and then the tube plate 5 is respectively provided with a plurality of water inlet areas 8.
When in use, the second fluid flows in the heat exchange cavity 3, and the first fluid is led into the first fluid distribution cavity 2 for distribution through a pipeline; the first fluid is distributed to different water inlet areas 8 in the first fluid distribution cavity 2, and then flows into the tube bundles 6 corresponding to the water inlet areas 8, so that the heat exchange cavity 3 is subjected to heat convection with the second fluid, and the temperature of the first fluid is increased or reduced; the first fluid flows out of the tube bundle 6 and is converged into the first fluid converging cavity 4, and finally is led out through a pipeline.
One end of the first adjusting plate 9 is hinged with the partition plate 7, the other end extends towards the direction of the tube plate 5, and the length of the first adjusting plate 9 is slightly smaller than the distance between the hinge point of the first adjusting plate 9 and the tube plate 5; the second regulating plate 10 is slidably mounted on the first regulating plate 9, and is used as an extension of the first regulating plate 9, one end of the second regulating plate 10, which is close to the tube plate 5, is abutted against the tube plate 5, so that a flow guide surface is formed in the first fluid distribution cavity 2, when the first regulating plate 9 rotates towards the inside of the first fluid distribution cavity 2, the size of the first fluid distribution cavity 2, which can pass through the first fluid, is reduced, and then the purpose of regulating the flow of the heat exchanger is achieved, meanwhile, the first regulating plate 9 and the second regulating plate 10 cover part of the tube bundles 6, and then the heat exchange area of the heat exchanger is reduced, so that the flow and the heat exchange area of the heat exchanger can be mutually matched, and the technical problem that the heat exchange fluid is too high or too low in temperature after passing through the heat exchanger due to the fact that the heat exchange area of the heat exchanger is fixed is solved.
Compared with the design that the piston block extends into the first fluid distribution cavity 2, the size of the first fluid distribution cavity 2 is reduced, the whole structure is smaller, and the miniaturization of the heat exchanger is facilitated; simultaneously, the first adjusting plate 9 and the second adjusting plate 10 lean against the tube plate 5, and the first fluid flowing back to the water flow backflushing cavity 14 from the first fluid converging cavity 4 counteracts part of pressure, so that the second adjusting plate 10 is not easy to slide relative to the tube plate 5, the stress of the driving element 13 is reduced, and the driving element 13 is effectively protected.
One end of the water pressure feedback plate 11 is hinged with the cover 102, and the other end is hinged with the second regulating plate 10. Wherein, the inner side wall of the cover 102, the partition plate 7, the first adjusting plate 9, the second adjusting plate 10 and the water pressure feedback plate 11 jointly enclose a closed flow adjusting cavity 12, a driving element 13 for driving the flow adjusting cavity 12 to expand and contract is arranged in the flow adjusting cavity 12, and the partition plate 7, the second adjusting plate 10, the water pressure feedback plate 11 and the tube plate 5 jointly enclose a water flow backflushing cavity 14. When the flow of the heat exchanger needs to be reduced, the driving element 13 drives the water pressure feedback plate 11 to rotate towards the inside of the first fluid distribution cavity 2, and then drives the first adjusting plate 9 and the second adjusting plate 10 to rotate towards the inside of the first fluid distribution cavity 2, so that the purposes of reducing the flow and the heat exchange area of the heat exchanger are achieved; on the contrary, the driving element 13 drives the water pressure feedback plate 11 to rotate towards the outside of the first fluid distribution cavity 2, so that the flow and heat exchange area of the heat exchanger are increased.
In some embodiments, the length of the partition 7 is smaller than the length of the first fluid distribution chamber 2, and the end of the housing 1 remote from the partition 7 is provided with a first fluid inlet pipe communicating with the first fluid distribution chamber 2, so that a part of the chamber is reserved on the side of the partition 7, which is close to the first fluid inlet pipe, for the circulation of the first fluid, and the first fluid can flow into different water inlet areas 8.
In some embodiments, as shown in fig. 1 to 6 and 9, the driving element 13 is an air bag 131, when in use, the air bag 131 is inflated by filling air, so that the hydraulic feedback plate 11 is driven to expand towards the inside of the first fluid distribution chamber 2, the first adjusting plate 9 and the second adjusting plate 10 are driven to synchronously expand towards the inside of the first fluid distribution chamber 2, thereby reducing the size of the first fluid distribution chamber 2, achieving the purpose of adjusting the flow and heat exchange area of the heat exchanger, and meanwhile, a worker can control the expansion amount of the first adjusting plate 9 and the second adjusting plate 10 towards the inside of the first fluid distribution chamber 2 by controlling the air pressure in the air bag 131, so that the flow of the heat exchanger can reach the set parameters.
When the pressure of the first fluid is increased due to external factors, the pressure in the first fluid converging cavity 4 is also increased, and then the water flow recoil cavity 14 communicated through the tube bundle 6 is also increased, so that the water pressure feedback plate 11 is extruded, the air bag 131 is reduced, the first regulating plate 9, the second regulating plate 10 and the water pressure feedback plate 11 synchronously rotate outwards, the flow of the first fluid is automatically increased, the water pressure in the heat exchanger is reduced, and the problem of damage to internal elements of the heat exchanger caused by abrupt change of the external water pressure is effectively avoided.
The air bag 131 is connected with the air storage tank 16 for adjusting the relation between the volume of the air bag 131 and the internal pressure change through the communicating pipe, as known by the Kelarong equation, PV= (M/M) RT, the relation between the air pressure and the volume change is inversely proportional, the volume of the flow regulating cavity 12 is increased through the mode of externally hanging the air storage tank 16, when the pressure of the first fluid is increased due to external factors, the volume of the flow regulating cavity 12 can be changed to a greater extent, the effect of an amplifier is achieved, and the protection effect on the heat exchanger is effectively increased.
In some embodiments, the communicating pipe is provided with a pressure sensor 17, the pressure sensor 17 is connected with the first controller 18, the main body 101 is provided with a second fluid inflow pipe 19 and a second fluid outflow pipe 20, the second fluid inflow pipe 19 is provided with a valve 15, the valve 15 is electrically connected with the first controller 18, the pressure sensor 17 detects the air pressure on the communicating pipe in real time and transmits the air pressure to the first controller 18, and when the air pressure increases or decreases, the controller also controls the opening degree of the valve 15 accordingly, so that the flow of the first fluid is matched with the flow of the second fluid, and the waste of resources is effectively reduced.
In some embodiments, the inner side wall of the cover 102 is configured with a recess 103 (not shown in the drawings) matching the position of the air bag 131, and when the air bag 131 is contracted to the minimum, the air bag 131 is hidden in the recess 103, so that the first adjusting plate 9 and the second adjusting plate 10 can be attached to the side wall of the cover 102, and the inner wall of the cover 102 is relatively flat, which is beneficial for the first fluid to circulate in the first fluid distribution chamber 2 at a high flow rate.
In some embodiments, the hydraulic feedback plate 11 is arc-shaped, and is matched with the deformation trend when the air bag 131 is inflated, so that the air bag 131 can be attached to the flow feedback plate to the greatest extent when inflated, and the force conduction between the air bag 131 and the hydraulic feedback plate 11 is more stable.
In some embodiments, as shown in fig. 1 to 5 and 7, the driving element 13 is an elastic element 132, such as a spring, a torsion spring, etc., one end of the elastic element 132 is connected with the second adjusting plate 10, and the other end is connected with the cover 102, so that the heat exchanger is suitable for use in different pressure ranges by selecting the elastic element 132 with different elasticity, when the pressure of the first fluid connected in changes, the heat exchanger automatically adjusts the corresponding flow and heat exchange area, and the adjusting principle is as shown above, which is not repeated here, so as to effectively ensure that the flow and heat exchange area of the heat exchanger are matched.
In some embodiments, a first sealing groove (not shown in the drawings) is respectively configured on the side wall of the first adjusting plate 9, the side wall of the second adjusting plate 10 and the side wall of the water pressure feedback plate 11, and a first sealing gasket (not shown in the drawings) is embedded in the first sealing groove (not shown in the drawings); the side of the first adjusting plate 9, which is close to the second adjusting plate 10, is provided with a second sealing groove (not shown in the drawing), a second sealing gasket (not shown in the drawing) is embedded in the second sealing groove, and the flow adjusting cavity 12 is sealed into a closed cavity through the sealing gasket, so that the first fluid is prevented from flowing into the flow adjusting cavity 12.
In some embodiments, as shown in fig. 1 to 5 and 8, the driving element 13 is an electric telescopic rod 133, and the electric telescopic rod 133 is electrically connected to a second controller, and when in operation, the second controller drives the water pressure feedback plate 11 to rotate by controlling the electric telescopic rod 133 to extend or shorten, so as to achieve the purpose of controlling the flow and heat exchange area of the heat exchanger.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the application, and that, although the application has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the application as defined by the appended claims; the size of the drawing is irrelevant to the specific real object, and the real object size can be changed arbitrarily.
Claims (10)
1. A shell and tube heat exchanger with an adjustable heat exchange area, comprising:
the shell comprises a main body and sealing covers which are detachably arranged at two ends of the main body, wherein an inner cavity of the sealing cover is a first fluid distribution cavity and a first fluid convergence cavity, and the inner cavity of the main body is a heat exchange cavity; the first fluid distribution cavity and the heat exchange cavity, the heat exchange cavity and the first fluid convergence cavity are respectively separated by a tube plate;
the tube bundles are arranged in the heat exchange cavity at intervals, and two ends of the tube bundles are respectively communicated with the first fluid distribution cavity and the first fluid convergence cavity;
the baffle plate is arranged in the first fluid distribution cavity, the baffle plates are installed in the sealing cover at intervals, one end, close to the tube plate, of the baffle plate is abutted to the tube plate, and the tube plate is respectively provided with a plurality of water inlet areas;
one end of the first adjusting plate is hinged with the partition plate, and the other end of the first adjusting plate extends towards the direction of the tube plate;
the second adjusting plate is slidably mounted on the first adjusting plate, and one end, close to the tube plate, of the second adjusting plate is abutted against the tube plate; and
The water pressure feedback plate is hinged with the sealing cover at one end and is hinged with the second adjusting plate at the other end;
the inner side wall of the sealing cover, the partition plate, the first regulating plate, the second regulating plate and the water pressure feedback plate jointly enclose a sealed flow regulating cavity, and a driving element for driving the flow regulating cavity to expand and contract is arranged in the flow regulating cavity; the partition plate, the second adjusting plate, the water pressure feedback plate and the tube plate jointly enclose a water flow backflushing cavity, and the water flow backflushing cavity can be communicated with the tube bundle.
2. The heat exchanger of claim 1, wherein:
the length of the partition plate is smaller than that of the first fluid distribution cavity, and one end of the shell, which is far away from the partition plate, is provided with a first fluid ingress pipe communicated with the first fluid distribution cavity.
3. The heat exchanger of claim 2, wherein:
the driving element is an air bag, and the air bag is connected with an air storage tank for adjusting the volume and the internal pressure change relation of the air bag through a communicating pipe.
4. A heat exchanger according to claim 3, wherein:
the communicating pipe is provided with a pressure sensor, the pressure sensor is connected with the first controller, the main body is provided with a second fluid inflow pipe and a second fluid outflow pipe, the second fluid inflow pipe is provided with a valve, and the valve is electrically connected with the first controller.
5. The heat exchanger of claim 4, wherein:
the inner side wall of the sealing cover is provided with a concave matched with the air bag in position.
6. The heat exchanger of claim 5, wherein:
the water pressure feedback plate is arc-shaped.
7. The heat exchanger of claim 2, wherein:
the driving element is an elastic element, one end of the elastic element is connected with the second adjusting plate, and the other end of the elastic element is connected with the sealing cover.
8. The heat exchanger of claim 7, wherein:
the elastic element is a spring or torsion spring.
9. The heat exchanger of claim 8, wherein:
a first sealing groove is respectively formed in the side wall of the first adjusting plate, the side wall of the second adjusting plate and the side wall of the water pressure feedback plate, and a first sealing gasket is embedded in the first sealing groove; the side surface of the first adjusting plate, which is close to the second adjusting plate, is provided with a second sealing groove in an embedded manner.
10. The heat exchanger of claim 2, wherein:
the driving element is an electric telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311430337.1A CN117213303A (en) | 2023-10-31 | 2023-10-31 | Shell-and-tube heat exchanger with adjustable heat exchange area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311430337.1A CN117213303A (en) | 2023-10-31 | 2023-10-31 | Shell-and-tube heat exchanger with adjustable heat exchange area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117213303A true CN117213303A (en) | 2023-12-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311430337.1A Withdrawn CN117213303A (en) | 2023-10-31 | 2023-10-31 | Shell-and-tube heat exchanger with adjustable heat exchange area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117213303A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117704876A (en) * | 2024-02-05 | 2024-03-15 | 山东汉华工业设备有限公司 | Heat exchanger unit for recovering heat energy of process cooling water in semiconductor industry |
| CN118189692A (en) * | 2024-05-16 | 2024-06-14 | 淄博天元化工有限公司 | Heat exchanger |
| CN118242911A (en) * | 2024-05-27 | 2024-06-25 | 靖江市双杰高效换热器制造有限公司 | Shell-and-tube heat exchanger with adjustable heat exchange area |
-
2023
- 2023-10-31 CN CN202311430337.1A patent/CN117213303A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117704876A (en) * | 2024-02-05 | 2024-03-15 | 山东汉华工业设备有限公司 | Heat exchanger unit for recovering heat energy of process cooling water in semiconductor industry |
| CN117704876B (en) * | 2024-02-05 | 2024-04-09 | 山东汉华工业设备有限公司 | Heat exchanger unit for recovering heat energy of process cooling water in semiconductor industry |
| CN118189692A (en) * | 2024-05-16 | 2024-06-14 | 淄博天元化工有限公司 | Heat exchanger |
| CN118189692B (en) * | 2024-05-16 | 2024-07-16 | 淄博天元化工有限公司 | Heat exchanger |
| CN118242911A (en) * | 2024-05-27 | 2024-06-25 | 靖江市双杰高效换热器制造有限公司 | Shell-and-tube heat exchanger with adjustable heat exchange area |
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Application publication date: 20231212 |
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| WW01 | Invention patent application withdrawn after publication |