CN216815096U - Indirect air cooling system and air cooling radiator thereof - Google Patents
Indirect air cooling system and air cooling radiator thereof Download PDFInfo
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- CN216815096U CN216815096U CN202123233560.6U CN202123233560U CN216815096U CN 216815096 U CN216815096 U CN 216815096U CN 202123233560 U CN202123233560 U CN 202123233560U CN 216815096 U CN216815096 U CN 216815096U
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Abstract
The utility model discloses an indirect air cooling system and an air cooling radiator thereof, comprising: the radiator body is divided into a plurality of layers which are mutually isolated along the height direction and are used for laying the laying cavity of the circulating pipeline. The height of the radiator main body is layered, so that the height of a pipe bundle of a circulating pipeline in each layer of laid cavity can be reduced, the flow resistance of the water side is greatly reduced, the power consumption of the circulating water pump is obviously reduced, and the cooling performance is effectively improved.
Description
Technical Field
The utility model relates to the technical field of power generation and cooling, in particular to an indirect air cooling system and an air cooling radiator thereof.
Background
The indirect air cooling system has obvious water saving advantage and is widely applied and popularized in thermal power stations, nuclear power stations and solar power stations.
The indirect air cooling system comprises an air cooling tower and an air cooling radiator. The indirect air cooling system is applied to the thermal power station specifically: the exhaust steam discharged by the steam turbine enters a condenser and is cooled by cooling water of an air cooling radiator of the indirect air cooling system; the cooled exhaust steam returns to the boiler to realize cyclic utilization; and cooling water with the increased temperature after cooling enters an air cooling tower of the indirect air cooling system, the temperature is reduced through natural ventilation, and then the cooling water enters the condenser again to cool the exhaust steam, so that the cyclic utilization is realized.
The cold end indirect air cooling system of its configuration belongs to big heat radiating area's indirect air cooling equipment, and the air cooling radiator is up to 30m and even is higher than 30m, causes the inside water resistance of tube bank too high to increase circulating water consumption or reduce air cooling system cooling performance etc..
Therefore, how to reduce the flow resistance of the water in the tube bundle in the radiator to reduce the energy consumption of the circulating water and improve the cooling performance is a problem to be solved urgently by the people in the technical field.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides an air-cooling radiator of an indirect air-cooling system, which reduces the water flow resistance of the inner pipe bundle of the radiator to reduce the energy consumption of the circulating water and improve the cooling performance. In addition, the utility model also needs to provide an indirect air cooling system with the air cooling radiator.
In order to achieve the purpose, the utility model provides the following technical scheme:
an air-cooled radiator of an indirect air-cooled system, comprising: the radiator comprises a radiator main body and a circulating pipeline, wherein the radiator main body is divided into a plurality of layers which are mutually isolated along the height direction and used for laying the laying cavity of the circulating pipeline.
Preferably, in the above-mentioned air cooling radiator, the circulation pipeline passes through the heat extraction of unit cold junction condenser, just the circulation pipeline with unit cold junction condenser one-to-one.
Preferably, in the above air-cooled radiator, the laying cavity has the same height, and the water inlet and the water outlet of the circulation pipeline in the laying cavity are both located on the lower bottom surface of the laying cavity.
Preferably, in the above air-cooled radiator, the radiator main body has two layers of the laying cavities, and the laying cavities correspond to the circulation pipelines one to one, and all the circulation pipelines are connected in parallel.
Preferably, in the above air-cooled radiator, the circulation line has a connected grid structure, and the liquid flow channel of the circulation line is in a reciprocating U-shape.
The utility model provides an indirect air cooling system, includes the cooling tower and fixes the air cooling radiator that the cooling tower bottom and arrange along circumference for the simultaneous cooling of first unit and second unit in the steam turbine room, wherein, the air cooling radiator be above-mentioned arbitrary air cooling radiator.
Preferably, in the above indirect air cooling system, the air cooling radiators are a plurality of and equally divided into two groups, and the two groups of air cooling radiators respectively radiate the heat of the first unit and the second unit, and the air cooling radiators corresponding to the first unit and the second unit are arranged at intervals.
The utility model provides an air cooling radiator of an indirect air cooling system, which can reduce the height of a pipe bundle of a circulating pipeline in each layer of laying cavity by layering the height of a radiator main body, thereby greatly reducing the flow resistance of a water side, obviously reducing the power consumption of a circulating water pump and effectively improving the cooling performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of an indirect air cooling system disclosed in an embodiment of the present invention;
fig. 2 is a schematic structural view of an air-cooling radiator of the indirect air-cooling system disclosed in the embodiment of the utility model;
fig. 3 is a distribution diagram of spaced air-cooled radiators of an indirect air-cooling system disclosed in an embodiment of the present invention.
Detailed Description
The utility model discloses an air cooling radiator of an indirect air cooling system, which reduces the water flow resistance of an inner pipe bundle of the radiator so as to reduce the energy consumption of circulating water and improve the cooling performance. In addition, the utility model also discloses an indirect air cooling system with the air cooling radiator.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the present application discloses an air-cooled radiator of an indirect air-cooled system, which includes a radiator main body 2 and a circulation pipeline, wherein the radiator main body 2 is divided into multiple layers of laying cavities along a height direction, and the laying cavities are used for laying the circulation pipeline to realize a heat dissipation function of the air-cooled radiator. Because highly layering with the radiator main part in this scheme to can reduce the height of the pipe bundle of the circulation pipeline in every layer laying cavity, and then reduce the water side flow resistance by a wide margin, make the circulating water pump consumption obviously descend, effectively promote cooling performance.
In a preferred embodiment, the circulation pipeline rejects heat through the unit cold end condenser, and the circulation pipeline corresponds to the unit cold end condenser one to one. With circulating line and unit cold junction condenser one-to-one in this application to the independent forced air cooling of coolant liquid to circulating line, with improvement cooling rate and improvement cooling performance. In practice, all the circulating pipelines and the condenser at the cold end of the same unit can be subjected to air cooling heat exchange.
The height of laying the cavity disclosed in this application is all the same to the import and the export of laying the circulation pipeline in the cavity all are located this lower bottom surface of laying the cavity. The height of laying the cavity is limited, different heights can be set as required in practice, the laying cavity is set to be the same height, the height of the tube bundle of the circulating pipeline on each layer can be guaranteed to be the same, and then the flow resistance of the water side is guaranteed to be the same, namely, the flow resistance of the whole water side is reduced. The water inlet and the water outlet of the circulating pipeline are both arranged on the lower bottom surface of the laying cavity body so as to be convenient for operation, and control valves can be arranged at the inlet and the outlet of the circulating pipeline in practice and are controlled by a controller.
In a specific embodiment, the radiator body 2 is provided with two layers, that is, two layers of laying cavities, and a circulation pipeline is provided in each layer of laying cavity. Specifically, radiator main part 2 includes independent upper heat dissipation cavity 21 and lower floor's heat dissipation cavity 22, and all circulation pipeline in radiator main part 2 are all parallelly connected to realize that every coolant liquid of laying the cavity circulates alone, and connect same water supply inlet and return water mouth, so that carry out simultaneous control to radiator main part 2's circulation pipeline simultaneously.
The circulation pipeline that discloses in this application is the grid structure of intercommunication to circulation pipeline's liquid flow way is reciprocal U type, and is specific, and air cooling radiator lower part has two mouths of a river, one advances one, and the inside is 160 root canals, connects through upper and lower header, and 80 root canal water up-flows, and the rethread is other 80 root canals down-flows after through last header. Through the setting, the liquid flow of the circulating pipeline is increased, so that the heat exchange effect is improved. It will be understood by those skilled in the art that the specific shape of the liquid flow channel in the circulation pipeline can be set according to different needs and is within the protection scope.
In addition, this application still discloses indirect air cooling system, including cooling tower 1 with fix at cooling tower 1 bottom and along the air cooling radiator 2 of circumference arrangement for the cooling simultaneously of first unit and second unit in the steam turbine room, wherein, this air cooling radiator 2 is the air cooling radiator that the above-mentioned embodiment disclosed, consequently, the indirect air cooling system who has this air cooling radiator 2 also has all above-mentioned technological effects, and no longer the repeated description herein one by one.
The air-cooled radiators 2 of each sector are provided with independent water inlets and water outlets, and second unit hot water distribution pipelines, second unit cold water collecting pipelines, first unit hot water distribution pipelines and first unit cold water collecting pipelines are arranged at intervals from inside to outside along a circular ring shape surrounded by the air-cooled radiators 2; the water inlets 31 and the water outlets 32 of the first unit sector 1, the first unit sector 2, the first unit sector 3, the first unit sector 4 and the first unit sector 5 which are spaced apart are communicated with the first unit hot water distribution pipeline and the first unit cold water collecting pipeline through the water inlet and outlet pipelines, so that hot water in the first unit hot water distribution pipeline can simultaneously enter the air-cooled radiators 2 of the sectors corresponding to the first unit, and flows back to the first unit cold water collecting pipeline for collection after heat dissipation; the distribution of the air-cooled radiators 2 in each sector of the second unit and the connection of the pipelines are the same as the connection distribution of the first unit, and it should be noted that: the water inlets 41 and the water outlets 42 of the sectors 1, 2, 3, 4 and 5 of the second unit which are spaced apart are communicated with the hot water distribution pipeline of the second unit and the cold water collecting pipeline of the second unit through water inlet and outlet pipelines, and the rest parts are referred to the first unit, which is not described herein.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. An air-cooled radiator of an indirect air-cooled system, comprising: radiator main part and circulating line, radiator main part (2) divide into the multilayer mutual isolation and are used for laying along the direction of height circulating line's the cavity of laying.
2. An air-cooled radiator as claimed in claim 1, wherein the circulation lines discharge heat through unit cold end condensers, and the circulation lines correspond to the unit cold end condensers one to one.
3. The air-cooled radiator of claim 2, wherein the laying cavities are all the same in height, and the water inlet and the water outlet of the circulation pipeline in the laying cavities are both located on the lower bottom surfaces of the laying cavities.
4. An air-cooled radiator according to claim 2, wherein the radiator main body has two layers of the laying cavities, and the laying cavities correspond to the circulation pipelines one by one, and all the circulation pipelines are connected in parallel.
5. An air-cooled radiator as set forth in claim 1, wherein the circulation line is of a connected lattice structure, and the liquid flow path of the circulation line is of a reciprocating U-shape.
6. An indirect air-cooling system comprising a cooling tower and air-cooling radiators fixed to the bottom of the cooling tower and arranged circumferentially for simultaneous cooling of a first unit and a second unit in a steam turbine room, wherein the air-cooling radiators are as defined in any one of claims 1 to 5.
7. The indirect air-cooling system of claim 6, wherein the air-cooling radiators are plural and divided into two groups, the two groups of air-cooling radiators radiate heat from the first unit and the second unit, respectively, and the corresponding air-cooling radiators of the first unit and the second unit are arranged at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123233560.6U CN216815096U (en) | 2021-12-21 | 2021-12-21 | Indirect air cooling system and air cooling radiator thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123233560.6U CN216815096U (en) | 2021-12-21 | 2021-12-21 | Indirect air cooling system and air cooling radiator thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216815096U true CN216815096U (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123233560.6U Active CN216815096U (en) | 2021-12-21 | 2021-12-21 | Indirect air cooling system and air cooling radiator thereof |
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| CN (1) | CN216815096U (en) |
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2021
- 2021-12-21 CN CN202123233560.6U patent/CN216815096U/en active Active
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