CN117213112A - Cross-flow heat exchange type condenser - Google Patents
Cross-flow heat exchange type condenser Download PDFInfo
- Publication number
- CN117213112A CN117213112A CN202311156391.1A CN202311156391A CN117213112A CN 117213112 A CN117213112 A CN 117213112A CN 202311156391 A CN202311156391 A CN 202311156391A CN 117213112 A CN117213112 A CN 117213112A
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- Prior art keywords
- condenser
- heat exchange
- air inlet
- baffle plate
- cross
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- 239000007788 liquid Substances 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000005192 partition Methods 0.000 claims description 7
- 239000003507 refrigerant Substances 0.000 description 31
- 239000013526 supercooled liquid Substances 0.000 description 5
- 238000004781 supercooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the technical field of condensers, and discloses a cross-flow heat exchange type condenser, which comprises: the condenser comprises a condenser body, wherein the top of the condenser body is connected with an air inlet, the bottom of the condenser body is connected with a liquid outlet, the inner wall of the condenser body is provided with a plurality of baffle plates, the distance between every two adjacent baffle plates is sequentially reduced from the direction from the air inlet to the liquid outlet, one side, which is close to the air inlet, of each baffle plate is provided with an air inlet distribution baffle plate, two ends of the condenser body are respectively provided with a heat exchange tube support plate, and one heat exchange tube support plate is far away from the surface of the condenser body and is provided with a liquid guide component. According to the cross-flow heat exchange type condenser, the air inlet distribution baffle plate and the baffle plates are arranged, the air inlet distribution baffle plate is arranged below the air inlet, and the air inlet distribution baffle plate is arranged on the upper portion of the section of condenser main body in front of the first baffle plate, so that the occupied space in the condenser is reduced, and the utilization rate of the internal heat exchange distribution pipe is improved.
Description
Technical Field
The invention relates to the technical field of condensers, in particular to a cross-flow heat exchange type condenser.
Background
The condenser in the evaporation device cools the secondary steam by using cooling water, and can be divided into two types, namely an indirect type condenser and a direct type condenser, wherein the indirect type condenser is also called a surface type condenser and comprises a shell and tube type condenser, a coil type condenser, a plate type condenser and the like.
The length of the distributing plate at the top inlet of the traditional shell-and-tube condenser is equal to that of the cylinder of the condenser, a large amount of space inside the cylinder of the container is occupied, and a certain space is reserved at the bottom of the condenser below the supercooling region of the condensed liquid to enable the supercooled liquid to flow axially; this is also the region that does not produce heat transfer, has lost effective space, has reduced the quantity of cloth pipe.
Disclosure of Invention
In view of the shortcomings of the prior art, the present invention provides a condenser in the form of cross-flow heat exchange that solves the problems noted in the background above.
The invention provides the following technical scheme: a condenser in the form of a cross-flow heat exchanger comprising: the condenser comprises a condenser body, wherein the top of the condenser body is connected with an air inlet, the bottom of the condenser body is connected with a liquid outlet, the inner wall of the condenser body is provided with a plurality of baffle plates, the distance between every two adjacent baffle plates is sequentially reduced from the direction from the air inlet to the liquid outlet, one side, which is close to the air inlet, of each baffle plate is provided with an air inlet distribution baffle plate, two ends of the condenser body are respectively provided with a heat exchange tube support plate, and one heat exchange tube support plate is far away from the surface of the condenser body and is provided with a liquid guide component.
Preferably, the baffle plate is in a long plate shape, and the top end and the bottom end of the baffle plate are respectively connected with the inner wall of the condenser main body.
Preferably, a space is formed between the side surface of the baffle plate and the inner wall of the condenser main body to form a flow passage through which the water supply flows.
Preferably, the liquid guide assembly comprises a first pipe box, and a water inlet and a water outlet are respectively arranged on the surface of the first pipe box.
Preferably, a partition plate is arranged on the inner wall of the first pipe box, and the partition plate is positioned between the water inlet and the first water outlet.
Preferably, a second pipe box is arranged on the surface of the heat exchange pipe supporting plate far away from the liquid guide assembly, and a second water outlet is arranged on the surface of the second pipe box.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the cross-flow heat exchange type condenser, the air inlet distribution baffle plate and the baffle plates are arranged, the air inlet distribution baffle plate is arranged below the air inlet, and the air inlet distribution baffle plate is arranged on the upper portion of the section of condenser main body in front of the first baffle plate, so that the occupied space in the condenser is reduced, and the utilization rate of the internal heat exchange distribution pipe is improved.
2. According to the condenser in the cross flow heat exchange mode, the distance between adjacent baffle plates is sequentially reduced from the air inlet to the liquid outlet, refrigerant flows forward in a cross mode under the action of the baffle plates, a certain pressure drop is generated, in order to keep the pressure of each cross section consistent, the flow speed is consistent, the distance between the baffle plates is different, the distance between the adjacent baffle plates is maximum, the distance between the adjacent baffle plates is minimum, overheated refrigerant steam enters the condenser through the inlet, firstly passes through the distribution baffle plate and enters the heat exchange tube bundle of the front section of the first baffle plate, then flows forward evenly through the cross bypass of the baffle plates under the pushing of the pressure and the flow speed, the design distance of the baffle plates is reduced, the stability and consistency of the whole flow speed are kept, and the liquid level of the lower part tends to be horizontal.
3. According to the cross-flow heat exchange type condenser, the baffle plate is in a long plate shape, so that a flow channel for water supply flow is formed by the separation between the side surface of the baffle plate and the inner wall of the condenser main body, a flow area of supercooled liquid refrigerant is not required to be additionally reserved at the bottom to enable the liquid refrigerant to flow from one end to the other end, a heat exchange tube bundle can be arranged in the flow area of the cold liquid refrigerant, the flow of the liquid refrigerant in the supercooling area is not influenced, and the tube distribution utilization rate in the condenser barrel is increased.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic side sectional view of the present invention;
FIG. 3 is a schematic diagram of the flow direction of the gaseous refrigerant and the liquid refrigerant according to the present invention.
In the figure: 1. a condenser main body; 2. an air inlet; 3. a liquid outlet; 4. a baffle plate; 5. an intake air distribution baffle; 6. a heat exchange tube support plate; 7. a liquid guiding component; 71. a first tube box; 72. a water inlet; 73. a first water outlet; 8. a partition plate; 9. a second tube box; 10. and a second water outlet.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, a condenser in the form of a cross-flow heat exchanger, comprising: the condenser main body 1, the top of the condenser main body 1 is connected with the air inlet 2, the bottom of the condenser main body 1 is connected with the liquid outlet 3, the inner wall of the condenser main body 1 is provided with a plurality of baffle plates 4, the distance between adjacent baffle plates 4 is sequentially reduced from the air inlet 2 to the liquid outlet 3, one side of the baffle plates 4 close to the air inlet 2 is provided with an air inlet distribution baffle plate 5, two ends of the condenser main body 1 are provided with heat exchange tube support plates 6, one surface of one heat exchange tube support plate 6 far away from the condenser main body 1 is provided with a liquid guide component 7, the air inlet distribution baffle plate 5 and a plurality of baffle plates 4 are arranged, the air inlet distribution baffle plate 5 is arranged below the air inlet 2, the upper part of the section of the condenser main body 1 in front of the first baffle plate 4 is provided with the air inlet distribution baffle plate 5, the space occupied by the inside is reduced, the utilization ratio of the internal heat exchange tube distribution is improved, the distance between adjacent baffle plates 4 is sequentially reduced from the air inlet 2 to the liquid outlet 3, the refrigerant flows forward in a crossed way under the action of the baffle plates 4, a certain pressure drop is generated, in order to keep the pressure of each crossed section consistent, the flow velocity is consistent, the distance between the baffle plates 4 is different, the distance between the adjacent baffle plates 4 is maximum, the distance between the adjacent baffle plates 4 is minimum, the refrigerant steam in an overheat state enters the condenser through the inlet, firstly passes through the distribution baffle plate and enters the heat exchange tube bundle in front of the first baffle plate 4, then flows uniformly forwards through the crossed winding of the baffle plates 4 under the pushing of the pressure and the flow velocity, the designed distance of the baffle plates 4 is reduced, the stability and the consistency of the whole flow velocity are kept, the lower liquid level is enabled to be horizontal, the heat exchange tube is fixedly supported through the heat exchange tube support plate 6, the baffle plate 4 is installed on the surface of the heat exchange tube.
The baffle plate 4 is in a long plate shape, the top end and the bottom end of the baffle plate 4 are respectively connected with the inner wall of the condenser main body 1, a flow channel for water supply flow is formed by the side surface of the baffle plate 4 and the inner wall of the condenser main body 1 at intervals, different liquid level differences are not needed to be formed by filling of the refrigerant at the bottom, the flow of the liquid refrigerant at the bottom is promoted, the filling amount is relatively small, a flow area of the supercooled liquid refrigerant is not needed to be reserved additionally to flow the liquid refrigerant from one end to the other end, a heat exchange tube bundle can be arranged in the flow area of the supercooled liquid refrigerant, the flow of the liquid refrigerant in the supercooling area is not influenced, the utilization rate of a tube in the condenser cylinder is increased, further, the gaseous refrigerant A1 is subjected to cross disturbance and integrally and horizontally flows, the condensed liquid refrigerant A2 flows downwards, only half of the surface of the liquid refrigerant on the heat exchange tube surface is in a wet state under the pushing of the transverse gaseous refrigerant, the liquid retention rate is relatively low, the heat exchange area is increased, and the heat exchange efficiency is improved.
The liquid guide assembly 7 comprises a first pipe box 71, a water inlet 72 and a first water outlet 73 are respectively arranged on the surface of the first pipe box 71, a partition plate 8 is arranged on the inner wall of the first pipe box 71, the partition plate 8 is positioned between the water inlet 72 and the first water outlet 73, a second pipe box 9 is arranged on the surface of a heat exchange pipe supporting plate 6 which is far away from the liquid guide assembly 7, a second water outlet 10 is arranged on the surface of the second pipe box 9, and the condenser main body 1 can be respectively injected and discharged through the water inlet 72 and the first water outlet 73 and also can be respectively injected and discharged through the water inlet 72 and the second water outlet 10.
An air inlet distribution baffle 5 and a plurality of baffles 4 are arranged, the air inlet distribution baffle 5 is arranged below the air inlet 2, the upper part of the section of condenser main body 1 in front of the first baffle 4 is provided with the air inlet distribution baffle 5, the space occupied by the inside is reduced, the utilization rate of internal heat exchange tubes is improved, the spacing between adjacent baffles 4 is sequentially reduced from the air inlet 2 to the liquid outlet 3, the refrigerant is crossed and flows forward under the action of the baffles 4, a certain pressure drop is generated, the pressure of each crossed section is kept consistent, the flow speed is kept consistent, the spacing of the baffles 4 is different, the spacing between the adjacent baffles 4 is the largest, the spacing between the adjacent baffles 4 is the smallest, the refrigerant steam in a overheat state enters the condenser through the inlet, passes through the distribution baffle and enters the section of heat exchange tube bundle in front of the first baffle 4, then the liquid refrigerant flows forward and evenly through the cross-winding flow of the baffle plate 4 under the pushing of pressure and flow velocity, the design interval through the baffle plate 4 is reduced, the stability and consistency of the overall flow velocity are kept, the liquid level at the lower part tends to be horizontal, the baffle plate 4 is in a long plate shape, a space is arranged between the side surface of the baffle plate 4 and the inner wall of the condenser main body 1 to form a flow channel for water supply flow, the bottom is not required to be filled with excessive refrigerant to form different liquid level differences to promote the flow of the liquid refrigerant at the bottom, the filling amount is relatively less, a flow area of supercooled liquid refrigerant is not required to be additionally reserved to enable the liquid refrigerant to flow from one end to the other end, a heat exchange tube bundle can be arranged in the flow area of the cold liquid refrigerant, the flow of the supercooled area is not influenced, and the tube distribution utilization rate of the inside the condenser cylinder is increased.
Referring to fig. 3, under the action of the baffle plate 4, the gaseous refrigerant A1 will cross-disturb and flow horizontally as a whole, the condensed liquid refrigerant A2 flows downward, only half of the liquid surface of the heat exchange tube is in a wet state under the pushing of the transverse gaseous refrigerant, and the liquid retention rate is lower, so the heat exchange area is increased, and the heat exchange efficiency is improved.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A condenser in the form of a cross-flow heat exchanger comprising: the condenser is characterized in that the top of the condenser main body (1) is connected with an air inlet (2), the bottom of the condenser main body (1) is connected with a liquid outlet (3), the inner wall of the condenser main body (1) is provided with a plurality of baffle plates (4), the distance between the baffle plates (4) is sequentially reduced from the air inlet (2) to the liquid outlet (3), one side, close to the air inlet (2), of the baffle plates (4) is provided with an air inlet distribution baffle plate (5), two ends of the condenser main body (1) are respectively provided with a heat exchange tube support plate (6), and one heat exchange tube support plate (6) is far away from the surface of the condenser main body (1) and is provided with a liquid guide component (7).
2. A condenser in the form of cross-flow heat exchange according to claim 1, characterized in that the baffle plate (4) is in the form of a long plate, and that the top and bottom ends of the baffle plate (4) are connected to the inner wall of the condenser body (1), respectively.
3. A condenser in the form of cross-flow heat exchange according to claim 2, characterized in that the side of the baffle (4) is spaced from the inner wall of the condenser body (1) to form a flow channel for the flow of water supply.
4. A condenser in the form of cross-flow heat exchange according to claim 1, characterized in that the liquid guiding assembly (7) comprises a first tube box (71), the surface of the first tube box (71) being provided with a water inlet (72) and a first water outlet (73), respectively.
5. A condenser in the form of cross-flow heat exchange according to claim 4, characterized in that the inner wall of the first tube box (71) is provided with a partition plate (8), and that the partition plate (8) is located between the water inlet (72) and the first water outlet (73).
6. A condenser in the form of cross-flow heat exchange according to claim 1, characterized in that the surface of the heat exchange tube support plate (6) remote from the liquid guiding assembly (7) is provided with a second tube box (9), the surface of the second tube box (9) being provided with a second water outlet (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311156391.1A CN117213112A (en) | 2023-09-08 | 2023-09-08 | Cross-flow heat exchange type condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311156391.1A CN117213112A (en) | 2023-09-08 | 2023-09-08 | Cross-flow heat exchange type condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117213112A true CN117213112A (en) | 2023-12-12 |
Family
ID=89043564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311156391.1A Pending CN117213112A (en) | 2023-09-08 | 2023-09-08 | Cross-flow heat exchange type condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117213112A (en) |
-
2023
- 2023-09-08 CN CN202311156391.1A patent/CN117213112A/en active Pending
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