CN117168023A - Component-controllable brazing plate type split liquid condenser - Google Patents
Component-controllable brazing plate type split liquid condenser Download PDFInfo
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- CN117168023A CN117168023A CN202311137101.9A CN202311137101A CN117168023A CN 117168023 A CN117168023 A CN 117168023A CN 202311137101 A CN202311137101 A CN 202311137101A CN 117168023 A CN117168023 A CN 117168023A
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- 239000007788 liquid Substances 0.000 title claims abstract description 34
- 238000005219 brazing Methods 0.000 title claims abstract description 15
- 239000003507 refrigerant Substances 0.000 claims abstract description 67
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The application discloses a brazing plate type split liquid condenser with controllable components, which is formed by alternately arranging and welding a plurality of working medium flow passage plates (10) and a plurality of refrigerant flow passage plates (20). The working medium flow passage consists of a first-pass flow passage (11), an intermediate flow passage (12) and a second-pass flow passage (14); the gas working medium enters the liquid-separating condenser through the working medium inlet (1) to be divided into a plurality of strands, then enters the first-pass flow passage (11) of the working medium flow passage respectively, is cooled by the refrigerant to a two-phase state of gas-liquid coexistence, the liquid working medium is converged through the working medium first outlet (3) and discharged from the external communicating pipe (2), the gas working medium enters the second-pass flow passage (14) after passing through the middle flow passage (12), and is discharged from the working medium second outlet (4) after being cooled by the refrigerant. The application can realize the high-efficiency separation of gas and liquid and the accurate control of the dryness of the working medium at the first outlet of the working medium, thereby realizing the controllability of the components of the two working mediums obtained by the separation of the liquid-separating condenser.
Description
Technical Field
The application belongs to the technical field of mixed working medium condensation, and particularly relates to a brazing sheet type split liquid condenser with controllable components.
Background
The component regulation and control method can improve the operation flexibility and the full-working-condition performance of the thermodynamic cycle, for example, for refrigeration/heat pump cycle, the coordination of the refrigerating capacity/heating capacity and the operation efficiency can be realized by adjusting the operation components of the cycle working medium, and then the efficient operation under different requirements is realized; for the organic Rankine cycle, by adjusting the operation components of the circulating working medium, the heat exchange process of the working medium in different operation environments can be kept to have good heat matching, so that the efficient operation under all working conditions is realized.
The component liquid condenser can realize the regulation and control of components of working media in the condensation process, and has the functions of condensation heat dissipation and component adjustment. However, the traditional liquid-separating condenser can only perform passive component regulation and control, and can not realize active regulation and control of components for two working media obtained at the outlet of the liquid-separating condenser, so that the component requirements under the full working condition operation of thermodynamic cycle are difficult to meet, and the gain effect on thermodynamic cycle is limited.
Disclosure of Invention
The application aims to provide a brazing plate type component liquid condenser with controllable components, so as to solve the problem that the existing component liquid condenser cannot realize active adjustment and control of the components, and meet the requirements of the components of working media under the full working condition of thermodynamic cycle.
In order to achieve the above purpose, the present application adopts the following technical scheme:
a brazing plate type split liquid condenser with controllable components is formed by alternately arranging and welding a plurality of working medium flow passage plates 10 and a plurality of refrigerant flow passage plates 20;
the working medium flow passage plate 10 consists of a working medium inlet 1, a first-pass flow passage 11, a working medium first outlet 3, a middle flow passage 12, a second-pass inlet 13, a second-pass flow passage 14 and a working medium second outlet 4 of the working medium flow passage plate 10;
the refrigerant flow plate 20 is composed of a first refrigerant inlet 7, a first refrigerant flow 22, a first refrigerant outlet 8, a second refrigerant inlet 5, a second refrigerant flow 21, a second refrigerant outlet 6 and an intermediate flow 12 of the refrigerant flow plate 20.
Compared with the prior art, the application has the following advantages and technical effects:
according to the application, in the technology of the brazing plate type heat exchanger, through the split and range distribution of working media, the small-flow gas-liquid separation of the working media is realized, and the uniformity and the high efficiency of the gas-liquid separation process can be ensured; meanwhile, the application can realize the accurate control of the dryness of the working medium at the gas-liquid separation position through the independent control of the refrigerant diversion, thereby realizing the controllability of the components of the two working media obtained by the separation of the liquid-liquid condenser.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present application;
FIG. 2 is a schematic view of the structure of an embodiment of the present application;
FIG. 3 is a schematic view of the structure of the cold runner plate of the present application;
FIG. 4 is a schematic flow diagram of a working fluid on a working fluid flow channel plate according to the present application;
FIG. 5 is a schematic diagram of the flow of refrigerant over a refrigerant flow channel plate in accordance with the present application.
In the figure: 1. a working medium inlet; 2. an external communicating pipe; 3. a working medium first outlet; 4. a working medium second outlet; 5. a second refrigerant inlet; 6. a second refrigerant outlet; 7. a first refrigerant inlet; 8. a first refrigerant outlet; 10. working medium runner plate pieces; 11. a first path flow path; 12. an intermediate flow passage; 13. a second pass inlet; 14. a second path flow path; 20. refrigerant runner plate; 21. a second refrigerant flow path; 22. a first refrigerant flow passage; 151. a first lower baffle; 152. a second lower baffle; 153. a first right baffle; 154. a first upper baffle; 155. an upper support plate; 156. a first left baffle; 157. a third lower baffle; 158. a lower support plate; 171. a second right baffle; 172. a second left baffle; 173. a second upper baffle; 174. and a fourth lower baffle.
The bold lines in the figure indicate that they have height and the normal lines indicate that they do not have height.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-5, the embodiment provides a brazing plate type split liquid condenser with controllable components, which is formed by alternately arranging and welding a plurality of working medium flow passage plates 10 and a plurality of refrigerant flow passage plates 20. The liquid separation condenser shown in fig. 1 is formed by combining 4 layers of working medium flow passage plates and 5 layers of refrigerant flow passage plates. The working medium flow passage plate 10 consists of a working medium inlet 1, a first-pass flow passage 11, a working medium first outlet 3, an intermediate flow passage 12, a second-pass inlet 13, a second-pass flow passage 14 and a working medium second outlet 4 on the working medium flow passage plate 10. The refrigerant flow plate 20 is composed of a first refrigerant inlet 7, a first refrigerant flow 22, a first refrigerant outlet 8, a second refrigerant inlet 5, a second refrigerant flow 21, a second refrigerant outlet 6 and an intermediate flow 12 on the refrigerant flow plate 20.
In a normal working flow, a gas working medium enters a liquid-separating condenser through a working medium inlet 1 and is divided into a plurality of strands, and then enters a first-pass flow passage 11 of a working medium flow passage respectively, and is cooled by a refrigerant to a gas-liquid coexisting two-phase state, wherein the liquid working medium is converged through a working medium first outlet 3 and is discharged through an external communicating pipe 2, the gas working medium enters a second-pass flow passage 14 through an intermediate flow passage 12, and is cooled by another strand of refrigerant and then is discharged through a working medium second outlet 4.
The ripple angle of the working medium runner plate 10 is 120 degrees, and the direction is vertically downward. The ripple angle of the refrigerant flow passage plate 20 is 120 degrees, and the direction is vertically upward.
The middle runner 12 has different structures on the working medium runner plate 10 and the refrigerant runner plate 20; on the working fluid flow channel plate 10, the middle flow channel 12 is surrounded by a first lower baffle 151, a second lower baffle 152, a first right baffle 153, a first upper baffle 154, an upper support plate 155, a first left baffle 156, a third lower baffle 157 and a lower support plate 158; on the refrigerant flow plate 20, the intermediate flow passage 12 is surrounded by a second right baffle 171, a second upper baffle 173, a second left baffle 172, and a fourth lower baffle 174.
For the middle flow channel 12 on the working medium flow channel plate 10, the first lower baffle 151 is in a 60-degree arc shape, the upper end point of the first lower baffle 151 is tangent to the lower end point of the second lower baffle 152, and the lower end point of the first lower baffle 151 is flush with the right end point of the working medium first outlet 3 in the vertical direction. The second lower baffle 152 has a 60 ° circular arc shape, and an upper end thereof is tangent to a lower end of the first right baffle 153. The first upper baffle 154 has a 30 ° circular arc shape, and its lower end is tangent to the first right baffle 153 and its upper end is connected to the upper support plate 155. The lower extension line of the upper support plate 155 coincides with the first left baffle 156. The third lower baffle 157 is in the shape of a 90 arc with its upper end tangent to the first left baffle 156. The lower support plate 158 is connected to the third lower baffle 157, and its upper extension coincides with the first right baffle 153.
For the intermediate flow channel 12 on the refrigerant flow channel plate 20, the second upper baffle 173 has the same structural parameters as the first upper baffle 154; the fourth lower baffle 174 has the same structural parameters as the third lower baffle 157; the upper part of the second right baffle 171 has the same structural parameters as the first right baffle 153, and the lower end point thereof intersects with the lower end surface of the refrigerant flow passage plate 20; the lower portion of the second left baffle 172 has the same structural parameters as the first left baffle 156, and its upper end intersects the lower end surface of the refrigerant flow channel plate 20.
The pipe diameters of the working medium inlet 1 and the working medium second outlet 4 are the same, and are 1/2 of the pipe diameter of the working medium first outlet 3. The first refrigerant inlet 7, the first refrigerant outlet 8, the second refrigerant inlet 5 and the second refrigerant outlet 6 have the same pipe diameter. On the refrigerant runner plate 20 at the outermost layer of the liquid separation condenser, the external communicating pipe 2 is tangent to the first working medium outlet 3 at the lowest point, and the external communicating pipe 2 has the same pipe diameter as the second working medium outlet 4.
For the middle flow channel 12 on the working medium flow channel plate 10, the first lower baffle 151 can promote the gas working medium to move upwards at the working medium first outlet 3 to enter the middle flow channel 12; the second lower baffle 152 may further restrict upward movement of gaseous working fluid into the intermediate flow channel 12; because the pipe diameter of the external communicating pipe 2 is 1/2 of the pipe diameter of the working medium first outlet 3, liquid working medium can form liquid seal at the external communicating pipe 2 first, so that the escape of gas working medium is prevented. On the other hand, the first lower baffle 151, the second lower baffle 152, the third lower baffle 157, the first left baffle 156, the working medium first outlet 3 and the external communicating pipe 2 together form a gas-liquid separation local structure, the space of the cavity is large, the design is in accordance with hydrodynamics, fluid can flow upwards along the third lower baffle 157 after entering the cavity, in the flowing process, liquid can form backflow along the first lower baffle 151 due to the gravity factor, the gas density is small, and the gas density is small due to the gravity effect and can be thrown into the middle runner 12 due to the centrifugal effect. Therefore, the design of the structure makes the gas-liquid separation process more efficient. The flow vector distribution diagram is shown in fig. 4 and 5.
For the whole gas-liquid separator, the diameter of the working medium first outlet 3 is larger, the gas working medium can be further communicated with each other through the working medium first outlet 3, and the mixing of the gas working medium can be uniform due to the larger space volume and the structure layout of the communication with each other, so that the gas-liquid separation process is more uniform.
The bold lines in fig. 2, 3, 4, 5 indicate that the contour line has a certain height, i.e. the thickness of the runner plate; the normal lines in the figure (except the corrugated plate lines) indicate that they are flush with the runner plate and do not have height.
The size parameters of the working medium runner plates 10 and the refrigerant runner plates 20 are determined by the operation parameters and the working medium types in specific application scenes. The split condenser is formed by brazing and welding two plates, so that the design and processing cost of the grinding tool can be reduced in the large-scale batch production process, and the split condenser is favorable for further marketing of the application.
In the description of the present application, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
The above embodiments are only illustrative of the preferred embodiments of the present application and are not intended to limit the scope of the present application, and various modifications and improvements made by those skilled in the art to the technical solutions of the present application should fall within the protection scope defined by the claims of the present application without departing from the design spirit of the present application.
Claims (6)
1. The brazing plate type split liquid condenser with controllable components is characterized by comprising a plurality of working medium runner plates (10) and a plurality of refrigerant runner plates (20) which are alternately arranged and welded;
the working medium flow passage plate (10) consists of a working medium inlet (1), a first-pass flow passage (11), a working medium first outlet (3), an intermediate flow passage (12) of the working medium flow passage plate (10), a second-pass inlet (13), a second-pass flow passage (14) and a working medium second outlet (4);
the refrigerant flow plate (20) consists of a first refrigerant inlet (7), a first refrigerant flow channel (22), a first refrigerant outlet (8), a second refrigerant inlet (5), a second refrigerant flow channel (21), a second refrigerant outlet (6) and an intermediate flow channel (12) of the refrigerant flow plate (20).
2. A composition-controlled brazing sheet type split liquid condenser according to claim 1 wherein:
the working medium runner plate (10) is provided with waves, the wave angle of the waves is 120 degrees, and the direction is vertically downward;
the intermediate flow channel (12) of the working medium flow channel plate (10) and the intermediate flow channel (12) of the refrigerant flow channel plate (20) have different structures; on a working medium runner plate (10), an intermediate runner (12) is surrounded by a first lower baffle plate (151), a second lower baffle plate (152), a first right baffle plate (153), a first upper baffle plate (154), an upper support plate (155), a first left baffle plate (156), a third lower baffle plate (157) and a lower support plate (158); on the refrigerant flow passage plate (20), the middle flow passage (12) is surrounded by a second right baffle (171), a second upper baffle (173), a second left baffle (172) and a fourth lower baffle (174);
the refrigerant flow passage plate (20) is provided with waves, the wave angle of the waves is 120 degrees, and the direction of the waves is vertically upward.
3. A composition-controlled brazing sheet type split liquid condenser according to claim 2 wherein:
for the middle runner (12) on the working medium runner plate (10), the first lower baffle (151) is in a 60-degree arc shape, the upper end point of the first lower baffle (151) is tangent with the lower end point of the second lower baffle (152), the lower end point of the first lower baffle (151) is in a level with the right end point of the first working medium outlet (3) in the vertical direction, the second lower baffle (152) is in a 60-degree arc shape, the upper end point of the second lower baffle is tangent with the lower end point of the first right baffle (153), the first upper baffle (154) is in a 30-degree arc shape, the lower end point of the first upper baffle is tangent with the first right baffle (153), the upper end point of the first upper baffle is connected with the upper support plate (155), the lower extension line of the upper support plate (155) is coincident with the first left baffle (156), the third lower baffle (157) is in a 90-degree arc shape, the upper end point of the lower support plate (158) is connected with the third lower baffle (157), and the upper extension line of the lower baffle is coincident with the first right baffle (153).
4. A composition-controlled brazing sheet type split liquid condenser according to claim 2 wherein:
for the middle flow channel (12) on the refrigerant flow channel plate (20), the structural parameters of the second upper baffle plate (173) and the first upper baffle plate (154) are the same; the fourth lower baffle (174) has the same structural parameters as the third lower baffle (157); the upper part of the second right baffle plate (171) has the same structural parameters as the first right baffle plate (153), and the lower end point of the second right baffle plate is intersected with the lower end surface of the refrigerant flow passage plate (20); the lower part of the second left baffle (172) has the same structural parameters as the first left baffle (156), and the upper end point of the second left baffle is intersected with the lower end surface of the refrigerant flow passage plate (20).
5. A composition-controlled brazing sheet type split liquid condenser according to claim 1 wherein:
the pipe diameters of the working medium inlet (1) and the working medium second outlet (4) are the same, and are 1/2 of the pipe diameter of the working medium first outlet (3);
the first refrigerant inlet (7), the first refrigerant outlet (8), the second refrigerant inlet (5) and the second refrigerant outlet (6) have the same pipe diameter;
on the refrigerant runner plate (20) at the outermost layer of the liquid separation condenser, an external communicating pipe (2) is tangent to a working medium first outlet (3) at the lowest point, and the pipe diameter of the external communicating pipe (2) is the same as that of a working medium second outlet (4).
6. A composition-controlled brazing sheet type split liquid condenser according to claim 1 wherein:
the size parameters of the working medium flow passage plate (10) and the refrigerant flow passage plate (20) are determined by the operation parameters and the working medium types in specific application scenes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311137101.9A CN117168023A (en) | 2023-09-05 | 2023-09-05 | Component-controllable brazing plate type split liquid condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311137101.9A CN117168023A (en) | 2023-09-05 | 2023-09-05 | Component-controllable brazing plate type split liquid condenser |
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| Publication Number | Publication Date |
|---|---|
| CN117168023A true CN117168023A (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311137101.9A Pending CN117168023A (en) | 2023-09-05 | 2023-09-05 | Component-controllable brazing plate type split liquid condenser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117979662A (en) * | 2024-03-29 | 2024-05-03 | 苏州元脑智能科技有限公司 | Two-phase cold plate liquid cooling system and control method |
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2023
- 2023-09-05 CN CN202311137101.9A patent/CN117168023A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117979662A (en) * | 2024-03-29 | 2024-05-03 | 苏州元脑智能科技有限公司 | Two-phase cold plate liquid cooling system and control method |
| CN117979662B (en) * | 2024-03-29 | 2024-06-07 | 苏州元脑智能科技有限公司 | Two-phase cold plate liquid cooling system and control method |
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