CN220931819U - Stable plate heat exchanger and heat exchange equipment - Google Patents
Stable plate heat exchanger and heat exchange equipment Download PDFInfo
- Publication number
- CN220931819U CN220931819U CN202322265279.3U CN202322265279U CN220931819U CN 220931819 U CN220931819 U CN 220931819U CN 202322265279 U CN202322265279 U CN 202322265279U CN 220931819 U CN220931819 U CN 220931819U
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- plate
- end plate
- heat exchanger
- medium inlet
- medium outlet
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- 230000006835 compression Effects 0.000 claims abstract description 15
- 238000007906 compression Methods 0.000 claims abstract description 15
- 238000010926 purge Methods 0.000 claims description 24
- 238000011010 flushing procedure Methods 0.000 claims description 22
- 238000004140 cleaning Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000005406 washing Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 2
- 208000031361 Hiccup Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model belongs to the technical field of heat exchange components of nuclear power stations, and particularly relates to a stable plate type heat exchanger and heat exchange equipment. The stable plate type heat exchanger comprises a first end plate, a second end plate, a supporting seat, a plurality of plates and a plurality of screws, wherein the supporting seat comprises a supporting plate and a guide rail connected with the supporting plate, and the first end plate and the second end plate are installed on the guide rail at intervals; the screw is connected with the first end plate and the second end plate, and a plurality of plates are arranged between the first end plate and the second end plate; the stable plate heat exchanger further comprises a compression assembly, the compression assembly comprises an elastic piece and an adjusting piece arranged on the supporting plate, two opposite ends of the elastic piece are respectively abutted against the adjusting piece and the second end plate, and the adjusting piece is used for adjusting the compression force of the elastic piece on the second end plate. In the utility model, the stable plate heat exchanger has better stability.
Description
Technical Field
The utility model belongs to the technical field of heat exchange components of nuclear power stations, and particularly relates to a stable plate type heat exchanger and heat exchange equipment.
Background
The plate heat exchanger consists of two end plates and a plurality of plates clamped between the two short diffusion plates, and has the advantages of compact volume, high heat transfer efficiency and the like. Thin rectangular channels are formed between the various plates through which heat is exchanged. The plate heat exchanger is ideal equipment for liquid-liquid and liquid-vapor heat exchange. The heat exchanger has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, wide application, long service life and the like. Under the same pressure loss, the heat transfer coefficient is 3-5 times higher than that of the tubular heat exchanger, the occupied area is one third of that of the tubular heat exchanger, and the heat recovery rate can be up to more than 90%.
In the prior art, a plate is clamped between two end plates, and the two end plates are fixed by bolts; in the long-term use process of the plate heat exchanger, nuts on bolts are easy to loosen, so that the clamping force of the end plates to the plates is reduced, the sealing performance of the plate heat exchanger is affected, and the plate heat exchanger is easy to leak after a long time.
Disclosure of utility model
The utility model provides a stable plate heat exchanger, aiming at the technical problem of accidents of leakage of a plate heat exchanger container in the prior art.
In view of the above technical problems, an embodiment of the present utility model provides a stable plate heat exchanger, including a first end plate, a second end plate, a support base, a plurality of plates, and a plurality of screws, wherein the support base includes a support plate and a guide rail connecting the support plate, and the first end plate and the second end plate are mounted on the guide rail at intervals; the screws connect the first end plate and the second end plate, and a plurality of the plates are arranged between the first end plate and the second end plate; the plate is provided with a cold source channel and a heat source channel, the first end plate is provided with a cold medium inlet, a cold medium outlet, a heat medium inlet and a heat medium outlet, the cold medium inlet and the cold medium outlet are communicated with the cold source channel, and the heat medium inlet and the heat medium outlet are communicated with the heat source channel;
The stable plate heat exchanger further comprises a compression assembly, the compression assembly comprises an elastic piece and an adjusting piece arranged on the supporting plate, two opposite ends of the elastic piece are respectively abutted to the adjusting piece and the second end plate, and the adjusting piece is used for adjusting the compression force of the elastic piece to the second end plate.
Optionally, be equipped with first through-hole in the backup pad, be equipped with first internal thread on the inner wall of first through-hole, be equipped with first external screw thread on the outer wall of regulating part, regulating part pass through threaded connection first internal thread with first external screw thread peg graft in the first through-hole, just one end of regulating part pass first through-hole and with the elastic component butt.
Optionally, a groove is formed in one end, facing the second end plate, of the adjusting piece, and one end, away from the second end plate, of the elastic piece is inserted into the groove.
Optionally, the elastic component is the spring, be equipped with the projection on the face of second end plate towards the backup pad, the projection is pegged graft in the spring is kept away from in the hole of regulating part one end.
Optionally, the first end plate is fixedly installed on the guide rail, a sliding groove is formed in the second end plate, and the second end plate is slidably installed on the guide rail through the sliding groove.
Optionally, the first end plate, the guide rail, and the support plate are integrally formed structural members.
Optionally, a first flange is arranged at one end of the cold medium inlet far away from the plate, and a second flange is arranged at one end of the cold medium outlet far away from the plate;
And a third flange is arranged at one end of the heat medium inlet, which is far away from the plate, and a fourth flange is arranged at one end of the heat medium outlet, which is far away from the plate.
The utility model also provides a heat exchange device which comprises an online cleaning device and the stable plate heat exchanger, wherein the online cleaning device comprises a flushing component and a purging component;
When the flushing component is communicated with the cold medium inlet, the cold medium outlet, the hot medium inlet or the hot medium outlet, the flushing component is used for flushing the stable plate type heat exchanger by high-pressure water;
When the purging component is communicated with the cold medium inlet, the cold medium outlet, the hot medium inlet or the hot medium outlet, the purging component is used for purging the stable plate type heat exchanger.
Optionally, the flushing assembly comprises a high-pressure pump, a liquid tank and a first interface, wherein an inlet of the high-pressure pump is communicated with the liquid tank, and an outlet of the high-pressure tank is selectively communicated with the cold medium inlet, the cold medium outlet, the hot medium inlet and the hot medium outlet through the first interface.
Optionally, the purge assembly further includes a high pressure air pump and a second interface, the high pressure air pump selectively communicating the cold medium inlet, the cold medium outlet, the hot medium inlet, and the hot medium outlet through the second interface.
In the utility model, the compressing assembly comprises an elastic piece and an adjusting piece arranged on the supporting plate, wherein two opposite ends of the elastic piece are respectively abutted against the adjusting piece and the second end plate; the elastic piece is compressed between the adjusting piece and the second end plate, so that the elastic piece always has a pressing force towards the first end plate, and the pressing force of the first end plate and the second end plate on the plate is increased; when the nut on the screw rod is loosened, the elastic piece enables the second end plate to always keep the pressing force on the plate, stability and service life of the stable plate type heat exchanger are guaranteed, and the problem of heat exchanger leakage caused by loosening of the nut on the screw rod is avoided. In addition, the compression amount of the elastic member can be adjusted by the adjusting member, thereby adjusting the pressing force of the elastic member to the second end plate.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of a stable plate heat exchanger according to an embodiment of the present utility model;
Fig. 2 is a schematic view of a stable plate heat exchanger according to another embodiment of the present utility model.
Reference numerals in the specification are as follows:
1. A first end plate; 11. a cold medium inlet; 12. a cold medium outlet; 13. a thermal medium inlet; 14. a thermal medium outlet; 15. a first flange; 16. a second flange; 17. a third flange; 18. a fourth flange; 2. a second end plate; 21. a convex column; 3. a support base; 31. a support plate; 32. a guide rail; 4. a plate; 5. a screw; 6. a compression assembly; 61. an elastic member; 62. an adjusting member.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It is to be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", "middle", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.
As shown in fig. 1 and 2, an embodiment of the present utility model provides a stable plate heat exchanger, which includes a first end plate 1, a second end plate 2, a support seat 3, a plurality of plates 4, and a plurality of screws 5, wherein the support seat 3 includes a support plate 31 and a guide rail 32 connected to the support plate 31, and the first end plate 1 and the second end plate 2 are installed on the guide rail 32 at intervals; the screws 5 connect the first end plate 1 and the second end plate 2, and a plurality of the plates 4 are installed between the first end plate 1 and the second end plate 2; a cold source channel (not shown in the figure) and a heat source channel (not shown in the figure) are arranged on the plate 4, a cold medium inlet 11, a cold medium outlet 12, a heat medium inlet 13 and a heat medium outlet 14 are arranged on the first end plate 1, the cold medium inlet 11 and the cold medium outlet 12 are communicated with the cold source channel, and the heat medium inlet 13 and the heat medium outlet 14 are communicated with the heat source channel; it will be appreciated that the number of plates 4 may be designed according to the actual requirements, a plurality of plates 4 being compressed between the first end plate 1 and the second end plate 2 by the screws 5. In the present utility model, the assembly relationship among the first end plate 1, the second end plate 2, the supporting seat 3, the plate 4 and the screw 5 is a conventional technical design for those skilled in the art, and will not be described herein.
The stable plate heat exchanger further comprises a compression assembly 6, the compression assembly 6 comprises an elastic piece 61 and an adjusting piece 62 arranged on the supporting plate 31, two opposite ends of the elastic piece 61 are respectively abutted against the adjusting piece 62 and the second end plate 2, and the adjusting piece 62 is used for adjusting the compression force of the elastic piece 61 to the second end plate 2. It will be appreciated that the elastic member 61 includes, but is not limited to, a spring, a leaf spring, etc., and the adjustment member 62 includes, but is not limited to, a nut, a pneumatic cylinder, a hydraulic cylinder, etc., and the elastic member 61 is compressed between the adjustment member 62 and the second end plate 2.
In the present utility model, the compressing assembly 6 includes an elastic member 61 and an adjusting member 62 mounted on the supporting plate 31, and opposite ends of the elastic member 61 respectively abut against the adjusting member 62 and the second end plate 2; the elastic member 61 is compressed between the adjusting member 62 and the second end plate 2, so that the elastic member 61 always has a pressing force against the second end plate 2 toward the first end plate 1, increasing the pressing force of the first end plate 1 and the second end plate 2 against the plate 4; when the nut on the screw 5 is loosened, the elastic piece 61 enables the second end plate 2 to always keep the pressing force on the plate 4, stability and service life of the stable plate type heat exchanger are guaranteed, and the problem of heat exchanger leakage caused by loosening of the nut on the screw 5 is avoided. In addition, the compression amount of the elastic member 61 can be adjusted by the adjusting member 62, thereby adjusting the pressing force of the elastic member 61 against the second end plate 2.
In an embodiment, the support plate 31 is provided with a first through hole, a first internal thread (not shown in the drawing) is provided on an inner wall of the first through hole, a first external thread (not shown in the drawing) is provided on an outer wall of the adjusting member 62, the adjusting member 62 is inserted into the first through hole through the first internal thread and the first external thread which are in threaded connection, and one end of the adjusting member 62 passes through the first through hole and abuts against the elastic member 61. It will be appreciated that the adjusting member 62 corresponds to a bolt, and by rotating the adjusting member 62, the length of the adjusting member 62 passing through the supporting plate 31 can be adjusted, thereby achieving the effect of adjusting the pre-tightening force of the elastic member 61. In this embodiment, the adjusting member 62 is simple in operation for adjusting the elastic member 61.
In one embodiment, as shown in fig. 1, a groove is formed on an end of the adjusting member 62 facing the second end plate 2, and an end of the elastic member 61 away from the second end plate 2 is inserted into the groove. It will be appreciated that the elastic member 61 has one end inserted into the groove of the adjusting member 62, ensuring the stability of the connection of the adjusting member 62 to the elastic member 61.
In an embodiment, as shown in fig. 1 and 2, the elastic member 61 is a spring, a plate surface of the second end plate 2 facing the supporting plate 31 is provided with a protruding column 21, and the protruding column 21 is inserted into an inner hole of an end of the spring away from the adjusting member 62. As will be appreciated, the projection 21 is inserted into the internal hole of the spring, and the end of the spring remote from the second end plate 2 is inserted into the recess of the adjustment member 62, thereby ensuring the stability of the mounting of the elastic member 61 between the second end plate 2 and the support plate 31.
In an embodiment, as shown in fig. 1 and 2, the first end plate 1 is fixedly mounted on the guide rail 32, a chute is provided on the second end plate 2, and the second end plate 2 is slidably mounted on the guide rail 32 through the chute. It will be appreciated that the guide rail 32 is provided on top of the support plate 31, and that the guide rail 32 is connected between the support plate 31 and the first end plate 1, and that the second end plate 2 slides on the guide rail 32 through the slide groove, so that the distance between the first end plate 1 and the second end plate 2 can be adjusted. Preferably, the first end plate 1, the guide rail 32, and the support plate 31 are integrally formed. In this embodiment, the support plate 31 and the first end plate 1 are two opposite outer plates of the stable plate heat exchanger, and are both in a fixed state, so that the external environment is prevented from disturbing the second end plate 2 and the plate 4, and the service life of the stable plate heat exchanger is prolonged.
In one embodiment, as shown in fig. 1, a first flange 15 is disposed at an end of the cold medium inlet 11 away from the plate 4, and a second flange 16 is disposed at an end of the cold medium outlet 12 away from the plate 4; as will be appreciated, the design of the first flange 15 facilitates the communication of the external piping to the cold medium inlet 11; the design of the second flange 16 facilitates the communication of the external piping to the cold medium outlet 12.
The end of the thermal medium inlet 13 remote from the plate 4 is provided with a third flange 17 and the end of the thermal medium outlet 14 remote from the plate 4 is provided with a fourth flange 18. As will be appreciated, the design of the third flange 17 facilitates the communication of external pipes to the thermal medium inlet 13; the fourth flange 18 is designed to facilitate external piping to the thermal medium outlet 14.
Another embodiment of the present utility model further provides a heat exchange apparatus, including an online cleaning device (not shown in the figure) and the above-mentioned stable plate heat exchanger, where the online cleaning device includes a flushing component and a purging component; it will be appreciated that the flushing assembly may be an on-line flushing device of a nuclear power plant and the purging assembly may be an on-line purging device of a nuclear power plant.
When the flushing assembly is communicated with the cold medium inlet 11, the cold medium outlet 12, the hot medium inlet 13 or the hot medium outlet 14, the flushing assembly is used for flushing the stable plate heat exchanger with high-pressure water; it will be appreciated that the flushing assembly may be in selective communication with the cold medium inlet 11, the cold medium outlet 12, the hot medium inlet 13 and the hot medium outlet 14. When the flushing component is communicated with the cold medium inlet 11 or the cold medium outlet 12, the flushing component performs high-pressure water washing on the cold medium channel in the stable plate heat exchanger on line; when the flushing assembly is communicated with the heat medium inlet 13 or the heat medium outlet 14, the flushing assembly performs high-pressure water washing on the heat medium channel in the stable plate type heat exchanger on line.
The purge assembly is used to purge the stable plate heat exchanger when the purge assembly communicates with the cold medium inlet 11, the cold medium outlet 12, the hot medium inlet 13 or the hot medium outlet 14. It will be appreciated that the purge assembly may selectively communicate the cold medium inlet 11, the cold medium outlet 12, the hot medium inlet 13 and the hot medium outlet 14. When the purging component is communicated with the cold medium inlet 11 or the cold medium outlet 12, the purging component performs high-pressure purging on the cold medium channel in the stable plate type heat exchanger on line; when the purging component is communicated with the heat medium inlet 13 or the heat medium outlet 14, the purging component performs high-pressure purging on the heat medium channel in the stable plate type heat exchanger on line.
According to the utility model, the online cleaning device can perform online high-pressure water washing and high-pressure blowing on the stable plate type heat exchanger, so that all the plates 4 can be cleaned without disassembling the stable plate type heat exchanger, and the cleaning efficiency and the cleaning convenience of the stable plate type heat exchanger are improved.
In an embodiment, the flushing assembly comprises a high pressure pump, a liquid tank and a first interface, wherein an inlet of the high pressure pump is communicated with the liquid tank, and an outlet of the high pressure tank is selectively communicated with the cold medium inlet 11, the cold medium outlet 12, the hot medium inlet 13 and the hot medium outlet 14 through the first interface. It will be appreciated that the first interface may selectively communicate the cold medium inlet 11, the cold medium outlet 12, the hot medium inlet 13 and the hot medium outlet 14 through pipes; the hiccup can store clear water, cleaning liquid and the like.
In an embodiment, the purge assembly further comprises a high pressure air pump and a second interface through which the high pressure air pump selectively communicates the cold medium inlet 11, the cold medium outlet 12, the hot medium inlet 13, and the hot medium outlet 14. It will be appreciated that the second interface may selectively communicate the cold medium inlet 11, the cold medium outlet 12, the hot medium inlet 13 and the hot medium outlet 14 through pipes.
The above embodiments of the stabilizing plate heat exchanger of the present utility model are only examples, and are not intended to limit the present utility model, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. The stable plate type heat exchanger is characterized by comprising a first end plate, a second end plate, a supporting seat, a plurality of plates and a plurality of screws, wherein the supporting seat comprises a supporting plate and a guide rail connected with the supporting plate, and the first end plate and the second end plate are installed on the guide rail at intervals; the screws connect the first end plate and the second end plate, and a plurality of the plates are arranged between the first end plate and the second end plate; the plate is provided with a cold source channel and a heat source channel, the first end plate is provided with a cold medium inlet, a cold medium outlet, a heat medium inlet and a heat medium outlet, the cold medium inlet and the cold medium outlet are communicated with the cold source channel, and the heat medium inlet and the heat medium outlet are communicated with the heat source channel;
The stable plate heat exchanger further comprises a compression assembly, the compression assembly comprises an elastic piece and an adjusting piece arranged on the supporting plate, two opposite ends of the elastic piece are respectively abutted to the adjusting piece and the second end plate, and the adjusting piece is used for adjusting the compression force of the elastic piece to the second end plate.
2. The stabilized plate heat exchanger of claim 1 wherein the support plate is provided with a first through hole, a first internal thread is provided on an inner wall of the first through hole, a first external thread is provided on an outer wall of the adjusting member, the adjusting member is inserted into the first through hole through the first internal thread and the first external thread which are in threaded connection, and one end of the adjusting member passes through the first through hole and abuts against the elastic member.
3. The stabilized plate heat exchanger of claim 2 wherein the adjustment member has a recess at an end thereof facing the second end plate, and wherein the resilient member has an end thereof facing away from the second end plate inserted into the recess.
4. A plate heat exchanger according to claim 3, wherein the elastic member is a spring, and the second end plate is provided with a projection on the plate surface facing the support plate, and the projection is inserted into an inner hole of the end of the spring away from the adjusting member.
5. The stabilized plate heat exchanger of claim 1 wherein the first end plate is fixedly mounted to the rail and the second end plate is provided with a chute through which the second end plate is slidably mounted to the rail.
6. The stabilized plate heat exchanger of claim 5 wherein the first end plate, the rail, and the support plate are integrally formed as a structural member.
7. The stabilized plate heat exchanger of claim 1 wherein the cold medium inlet has a first flange at an end remote from the plate and the cold medium outlet has a second flange at an end remote from the plate;
And a third flange is arranged at one end of the heat medium inlet, which is far away from the plate, and a fourth flange is arranged at one end of the heat medium outlet, which is far away from the plate.
8. A heat exchange apparatus comprising an on-line cleaning device and a stable plate heat exchanger according to any one of claims 1 to 7, the on-line cleaning device comprising a flushing assembly and a purging assembly;
When the flushing component is communicated with the cold medium inlet, the cold medium outlet, the hot medium inlet or the hot medium outlet, the flushing component is used for flushing the stable plate type heat exchanger by high-pressure water;
When the purging component is communicated with the cold medium inlet, the cold medium outlet, the hot medium inlet or the hot medium outlet, the purging component is used for purging the stable plate type heat exchanger.
9. The heat exchange apparatus of claim 8 wherein the flushing assembly comprises a high pressure pump, a liquid tank, and a first interface, an inlet of the high pressure pump being in communication with the liquid tank, an outlet of the high pressure tank being in selective communication with the cold medium inlet, the cold medium outlet, the hot medium inlet, and the hot medium outlet through the first interface.
10. The heat exchange apparatus of claim 8 wherein the purge assembly further comprises a high pressure air pump and a second interface through which the high pressure air pump selectively communicates the cold medium inlet, the cold medium outlet, the hot medium inlet, and the hot medium outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322265279.3U CN220931819U (en) | 2023-08-22 | 2023-08-22 | Stable plate heat exchanger and heat exchange equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322265279.3U CN220931819U (en) | 2023-08-22 | 2023-08-22 | Stable plate heat exchanger and heat exchange equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220931819U true CN220931819U (en) | 2024-05-10 |
Family
ID=90963267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322265279.3U Active CN220931819U (en) | 2023-08-22 | 2023-08-22 | Stable plate heat exchanger and heat exchange equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220931819U (en) |
-
2023
- 2023-08-22 CN CN202322265279.3U patent/CN220931819U/en active Active
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