CN102297609B - Indirect cooling system of common cooling tower - Google Patents
Indirect cooling system of common cooling tower Download PDFInfo
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- CN102297609B CN102297609B CN2011102178522A CN201110217852A CN102297609B CN 102297609 B CN102297609 B CN 102297609B CN 2011102178522 A CN2011102178522 A CN 2011102178522A CN 201110217852 A CN201110217852 A CN 201110217852A CN 102297609 B CN102297609 B CN 102297609B
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- air cooling
- heat radiator
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Abstract
The invention discloses an indirect cooling system of a common cooling tower, which solves the problems that in a traditional system, water consumption is high, more auxiliary power is consumed, occupied area is large, and the noise pollution is generated. The indirect cooling system of the common cooling tower is characterized in that a main engine air cooling radiator sector (4) and an auxiliary engine air cooling radiator sector (8) are vertically arranged on the periphery of a natural ventilation cooling tower (9) by taking the center of the tower as the center; the water outlet pipe of a main turbine condenser (1) is communicated with the water inlet of the main engine air cooling radiator sector (4) through a main engine water circulating pump (2) and a main engine water circulating valve (3) in sequence; the water outlet of the main engine air cooling radiator sector (4) is communicated with the water inlet pipe of the main turbine condenser (1); the water outlet pipe of an auxiliary engine cooler (5) is communicated with the water inlet of the auxiliary engine air cooling radiator sector (8) through an auxiliary engine water circulating pump (6) and an auxiliary engine water circulating valve (7) in sequence; and the water outlet of the auxiliary engine air cooling radiator sector (8) is communicated with the water inlet pipe of the auxiliary engine cooler (5). The centralized arrangement and management of the cooling system are realized.
Description
Technical field
The present invention relates to a kind of thermal power plant indirect air cooling set auxiliary machinery water quench system; Be that the air cooling heat radiator of subsidiary engine cooling system and the air cooling heat radiator of Turbo-generator Set exhaust steam in steam turbine cooling system are merged layout; A shared gravity-flow ventilation indirect air cooling cooling tower has changed the arrangement of existing indirect air cooling set auxiliary machinery cooling system.
Background technology
The maximum characteristics of power plant's air cooling technique are economized on water exactly; These characteristics to the rational deployment of power plant, enlarge the capacity of founding the factory with limited water resource when building thermal power plant in the water-deficient area; Alleviate the contradiction of striving water, keep the local economy sustainable development to have important effect with local industrial or agricultural, life.The subsidiary engine cooling water system is a system important in the power plant, and the arrangement of its indirect air cooling heat radiator plays important effect to the cost and the safety and economic operation of this system.The thermal power plant indirect air cooling unit of having gone into operation and having built at present; The form of subsidiary engine cooling water system and layout mainly contain three kinds: the open circulation cooling of band induced cooling tower; The closed cycle cooling of band devaporizer and the indirect air cooling cooling of band induced cooling tower; The form that all is rectangle is arranged in fixing distolateral near the steamer machine room.Preceding two kinds exist water consumption big, and it is many to consume station service, take up an area of the problem of many and noise pollution; The latter exists the consumption station service many, takes up an area of the problem of many and noise pollution.
Summary of the invention
The invention provides a kind of indirect cooling system of shared cooling tower, solved existing system exist water consumption big, consume that station service is many, occupation of land is many, the problem of noise pollution.
The present invention overcomes the above problems through following scheme:
A kind of indirect cooling system of shared cooling tower; Comprise main steam turbine condenser, subsidiary engine cooler and cooling stack; Is that the center of circle vertically is furnished with main frame air cooling heat radiator sector and subsidiary engine air cooling heat radiator sector in described cooling stack neighboring with the tower center; The outlet pipe of main steam turbine condenser is communicated with the water inlet of main frame air cooling heat radiator sector through main frame water circulating pump and main frame recirculated water valve successively; The delivery port of main frame air cooling heat radiator sector is communicated with the oral siphon of main steam turbine condenser; The outlet pipe of subsidiary engine cooler is communicated with the water inlet of subsidiary engine air cooling heat radiator sector through subsidiary engine water circulating pump and subsidiary engine recirculated water valve successively, and the delivery port of subsidiary engine air cooling heat radiator sector is communicated with the oral siphon of subsidiary engine cooler.
Described main frame air cooling heat radiator sector is connected with the main frame expansion tank, and subsidiary engine air cooling heat radiator sector is connected with the subsidiary engine expansion tank.
A kind of indirect cooling system of shared cooling tower; Comprise main steam turbine condenser, subsidiary engine cooler and cooling stack; Be that center of circle horizontal arrangement has main frame air cooling heat radiator sector and subsidiary engine air cooling heat radiator sector with the tower center on the scaoffold in described cooling stack; The outlet pipe of main steam turbine condenser is communicated with the water inlet of main frame air cooling heat radiator sector through main frame water circulating pump and main frame recirculated water valve successively; The delivery port of main frame air cooling heat radiator sector is communicated with the oral siphon of main steam turbine condenser; The outlet pipe of subsidiary engine cooler is communicated with the water inlet of subsidiary engine air cooling heat radiator sector through subsidiary engine water circulating pump and subsidiary engine recirculated water valve successively, and the delivery port of subsidiary engine air cooling heat radiator sector is communicated with the oral siphon of subsidiary engine cooler.
Described main frame air cooling heat radiator sector is connected with the main frame expansion tank, and subsidiary engine air cooling heat radiator sector is connected with the subsidiary engine expansion tank.
The present invention is with the shared gravity-flow ventilation indirect air cooling cooling tower of the air cooling heat radiator of main and auxiliaries; Change the subsidiary engine water cooling mode, reduced water consumption, power consumption, reduced extra occupation of land, noise pollution; And make the cooling system centralized arrangement, be convenient to operation and management.
Description of drawings
Fig. 1 is air cooling heat radiator vertical arrangement sketch map outside tower
Fig. 2 is air cooling heat radiator level or small angle inclination arrangement sketch map in tower.
Specific embodiment
A kind of indirect cooling system of shared cooling tower; Comprise main steam turbine condenser 1, subsidiary engine cooler 5 and cooling stack 9; Is that the center of circle vertically is furnished with main frame air cooling heat radiator sector 4 and subsidiary engine air cooling heat radiator sector 8 in described cooling stack 9 neighborings with the tower center; The outlet pipe of main steam turbine condenser 1 is communicated with the water inlet of main frame air cooling heat radiator sector 4 through main frame water circulating pump 2 and main frame recirculated water valve 3 successively; The delivery port of main frame air cooling heat radiator sector 4 is communicated with the oral siphon of main steam turbine condenser 1; The outlet pipe of subsidiary engine cooler 5 is communicated with the water inlet of subsidiary engine air cooling heat radiator sector 8 through subsidiary engine water circulating pump 6 and subsidiary engine recirculated water valve 7 successively, and the delivery port of subsidiary engine air cooling heat radiator sector 8 is communicated with the oral siphon of subsidiary engine cooler 5.
Described main frame air cooling heat radiator sector 4 is connected with main frame expansion tank 10, and subsidiary engine air cooling heat radiator sector 8 is connected with subsidiary engine expansion tank 11.
A kind of indirect cooling system of shared cooling tower; Comprise main steam turbine condenser 1, subsidiary engine cooler 5 and cooling stack 9; Be that center of circle horizontal arrangement has main frame air cooling heat radiator sector 4 and subsidiary engine air cooling heat radiator sector 8 with the tower center on the scaoffold in described cooling stack 9; The outlet pipe of main steam turbine condenser 1 is communicated with the water inlet of main frame air cooling heat radiator sector 4 through main frame water circulating pump 2 and main frame recirculated water valve 3 successively; The delivery port of main frame air cooling heat radiator sector 4 is communicated with the oral siphon of main steam turbine condenser 1; The outlet pipe of subsidiary engine cooler 5 is communicated with the water inlet of subsidiary engine air cooling heat radiator sector 8 through subsidiary engine water circulating pump 6 and subsidiary engine recirculated water valve 7 successively, and the delivery port of subsidiary engine air cooling heat radiator sector 8 is communicated with the oral siphon of subsidiary engine cooler 5.
Described main frame air cooling heat radiator sector 4 is connected with main frame expansion tank 10, and subsidiary engine air cooling heat radiator sector 8 is connected with subsidiary engine expansion tank 11.
The steam discharge merging of main steam turbine steam discharge and feed pump turbine enters main steam turbine condenser 1; The indirect air cooling system cooling is adopted in the steam discharge cooling; Main frame recirculated water gets into main steam turbine condenser 1 through main frame water circulating pump 2, main frame recirculated water valve 3, main frame air cooling heat radiator sector 4, forms closed cycle.Subsidiary engine cooler 5 also adopts the indirect air cooling system cooling, and subsidiary engine recirculated water gets into subsidiary engine cooler 5 through subsidiary engine water circulating pump 6, subsidiary engine recirculated water valve 7, subsidiary engine air cooling heat radiator sector 8, forms closed cycle.The shared cooling stack 9 of the air cooling heat radiator sector of main and auxiliaries; The air cooling heat radiator sector of main and auxiliaries adopts and vertically is arranged in the arrangement of tower around outer, also can the employing level or small angle inclination be arranged in the arrangement of scaoffold in the tower.
The main frame indirect air cooling system uses main frame expansion tank 10 to carry out pressure stability and regulates, and the subsidiary engine indirect air cooling system uses subsidiary engine expansion tank 11 to carry out pressure stability and regulates.The present invention is applicable to thermal power plant indirect air cooling unit.
Claims (4)
1. the indirect cooling system of a shared cooling tower; Comprise main steam turbine condenser (1), subsidiary engine cooler (5) and cooling stack (9); It is characterized in that; Is that the center of circle vertically is furnished with main frame air cooling heat radiator sector (4) and subsidiary engine air cooling heat radiator sector (8) in described cooling stack (9) neighboring with the tower center; The outlet pipe of main steam turbine condenser (1) passes through main frame water circulating pump (2) successively and main frame recirculated water valve (3) is communicated with the water inlet of main frame air cooling heat radiator sector (4); The delivery port of main frame air cooling heat radiator sector (4) is communicated with the oral siphon of main steam turbine condenser (1); The outlet pipe of subsidiary engine cooler (5) passes through subsidiary engine water circulating pump (6) successively and subsidiary engine recirculated water valve (7) is communicated with the water inlet of subsidiary engine air cooling heat radiator sector (8), and the delivery port of subsidiary engine air cooling heat radiator sector (8) is communicated with the oral siphon of subsidiary engine cooler (5).
2. the indirect cooling system of a kind of shared cooling tower according to claim 1 is characterized in that, described main frame air cooling heat radiator sector (4) is connected with main frame expansion tank (10),
Subsidiary engine air cooling heat radiator sector (8) is connected with subsidiary engine expansion tank (11).
3. the indirect cooling system of a shared cooling tower; Comprise main steam turbine condenser (1), subsidiary engine cooler (5) and cooling stack (9); It is characterized in that; Be that center of circle horizontal arrangement has main frame air cooling heat radiator sector (4) and subsidiary engine air cooling heat radiator sector (8) with the tower center on the scaoffold in described cooling stack (9); The outlet pipe of main steam turbine condenser (1) passes through main frame water circulating pump (2) successively and main frame recirculated water valve (3) is communicated with the water inlet of main frame air cooling heat radiator sector (4); The delivery port of main frame air cooling heat radiator sector (4) is communicated with the oral siphon of main steam turbine condenser (1); The outlet pipe of subsidiary engine cooler (5) passes through subsidiary engine water circulating pump (6) successively and subsidiary engine recirculated water valve (7) is communicated with the water inlet of subsidiary engine air cooling heat radiator sector (8), and the delivery port of subsidiary engine air cooling heat radiator sector (8) is communicated with the oral siphon of subsidiary engine cooler (5).
4. the indirect cooling system of a kind of shared cooling tower according to claim 3 is characterized in that, described main frame air cooling heat radiator sector (4) is connected with main frame expansion tank (10),
Subsidiary engine air cooling heat radiator sector (8) is connected with subsidiary engine expansion tank (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102178522A CN102297609B (en) | 2011-08-01 | 2011-08-01 | Indirect cooling system of common cooling tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102178522A CN102297609B (en) | 2011-08-01 | 2011-08-01 | Indirect cooling system of common cooling tower |
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| Publication Number | Publication Date |
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| CN102297609A CN102297609A (en) | 2011-12-28 |
| CN102297609B true CN102297609B (en) | 2012-11-21 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103791732B (en) * | 2013-08-09 | 2015-12-23 | 华能国际电力股份有限公司 | Thermal power plant main process equipment, auxiliary equipment cooling device and cooling means |
| CN107462084B (en) * | 2017-07-28 | 2019-07-30 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of composite structure of host machine cooling system and subsidiary engine cooling system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1066920A (en) * | 1991-05-18 | 1992-12-09 | 林文钦 | High efficient power saving combined cooling water tower |
| DE4202069A1 (en) * | 1992-01-25 | 1993-07-29 | Balcke Duerr Ag | NATURAL TRAIN COOLING TOWER |
| US5435382A (en) * | 1993-06-16 | 1995-07-25 | Baltimore Aircoil Company, Inc. | Combination direct and indirect closed circuit evaporative heat exchanger |
| DE60135308D1 (en) * | 2000-02-23 | 2008-09-25 | Schlom Leslie | HEAT EXCHANGER FOR COOLING AND USE IN THE PRE-COOLER OF TURBINE AIR PREPARATION |
| CN1428585A (en) * | 2001-12-25 | 2003-07-09 | 郝志刚 | Cooling tower, its production method and application |
| CN2569079Y (en) * | 2002-07-25 | 2003-08-27 | 任世瑶 | Environmental protection superlow noise cooling tower |
| CN102305555B (en) * | 2011-08-01 | 2012-10-10 | 山西省电力勘测设计院 | Parameter determination method of indirect air cooling tower with horizontally arranged radiator |
| CN202216577U (en) * | 2011-08-01 | 2012-05-09 | 山西省电力勘测设计院 | Indirect cooling system sharing cooling tower |
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Address after: 030001 Yingze street, Shanxi, No. 255, No. Patentee after: Co., Ltd of Chinese energy construction group Shanxi Electric Power Exploration & Design Institute Address before: 030001 Yingze street, Shanxi, No. 255, No. Patentee before: CEEC Shanxi Electric Power Exploration & Design Institute |