CN202216572U - Direct air cooling system with peak cooling device - Google Patents
Direct air cooling system with peak cooling device Download PDFInfo
- Publication number
- CN202216572U CN202216572U CN2011202759009U CN201120275900U CN202216572U CN 202216572 U CN202216572 U CN 202216572U CN 2011202759009 U CN2011202759009 U CN 2011202759009U CN 201120275900 U CN201120275900 U CN 201120275900U CN 202216572 U CN202216572 U CN 202216572U
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- Prior art keywords
- spike
- direct air
- peak
- condenser
- air cooling
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Abstract
The utility model discloses a direct air cooling system with a peak cooling device, which is used for solving the problem that the conventional direct air cooling system has high running back pressure in summer. The direct air cooling system comprises a main steam exhaust pipeline (2) arranged between a steam exhaust device (1) of a main steam turbine and a direct air cooling condenser (3), wherein a condensed water pipeline (4) is arranged between the direct air cooling condenser (3) and a host machine hot well (5); the main steam exhaust pipeline (2) is communicated with one end of a peak exhaust pipeline (6); the other end of the peak exhaust pipeline (6) is communicated with a peak condenser (8); the peak exhaust pipeline (6) is provided with an electric steam exhaust butterfly valve (7); a peak condensed water pipeline (9) is arranged between the peak condenser (8) and the host machine hot well (5); and a ventilation wet cooling tower (12) is communicated with the water inlet of the peak condenser (8) through a peak cooling circulating water inlet pipeline (10). Due to the adoption of the direct air cooling system, the aim of lowering the back pressure of an air cooling unit in summer is fulfilled.
Description
Technical field
The present invention relates to a kind of thermal power plant direct air cooling system, in direct air cooling system, set up spike cooling system in summer, reduced the existing direct air cooling system operation back pressure in summer.
Background technology
Built many air coolings power station in the rich coal of northern China water-deficient area, these early stage Direct Air-Cooled power stations of building were because coal price was very low at that time; The air cooling apparatus price of import is expensive again; Consider that from economic angle the summer of unit institute optimal design, full carbuncle on the back was pressed all than higher, in addition along with these equipment are passed service time; It is serious that the fouling of air cooling heat radiator also becomes; Also caused direct air cooling system summer operation back pressure high, these factors have directly caused the coal consumption of unit high, and the thermal efficiency is low and less economical.
Summary of the invention
The invention provides a kind of direct air cooling system that has peak cooling device, the coal consumption that has solved the high unit that is brought of existing direct air cooling system summer operation back pressure is high, the low and less economical problem of the thermal efficiency.
The present invention overcomes the above problems through following scheme:
A kind of direct air cooling system that has peak cooling device; Comprise main steam turbine steam exhaust device, direct air cooled condenser and main frame hot well; Be provided with main blow-off line between main steam turbine steam exhaust device and the direct air cooled condenser; Between direct air cooled condenser and main frame hot well, be provided with condensing water conduit, described main blow-off line is communicated with an end of spike blow-off line, and the other end of spike blow-off line is communicated with the spike condenser; The spike blow-off line is provided with electronic steam discharge butterfly valve; Between spike condenser and main frame hot well, be provided with the spike condensing water conduit, the clammy tower that ventilates is communicated with the water inlet of spike condenser through spike cool cycles inlet pipeline, and the delivery port of spike condenser is communicated with the clammy tower that ventilates through spike cool cycles outlet pipeline.
The clammy tower of said ventilation is the clammy tower of nature or mechanical draft.
Described electronic steam discharge butterfly valve is opened when summer, the unit operation back pressure was high, when unit spring and autumn operation back pressure is low, closes, and plays the effect of parallel running summer, plays the effect with direct air cooling system and spike cooling system partition winter.
The present invention has reduced the displacement that gets into direct air cooling system, and then reduces the thermic load of direct air cooling system, reaches to reduce the Direct Air-cooled Unit purpose that summer, full carbuncle on the back was pressed.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Specific embodiment
A kind of direct air cooling system that has peak cooling device; Comprise main steam turbine steam exhaust device 1, direct air cooled condenser 3 and main frame hot well 5; Be provided with main blow-off line 2 between main steam turbine steam exhaust device 1 and the direct air cooled condenser 3; Between direct air cooled condenser 3 and main frame hot well 5, be provided with condensing water conduit 4, described main blow-off line 2 is communicated with an end of spike blow-off line 6, and the other end of spike blow-off line 6 is communicated with spike condenser 8; Spike blow-off line 6 is provided with electronic steam discharge butterfly valve 7; Between spike condenser 8 and main frame hot well 5, be provided with spike condensing water conduit 9, the clammy tower 12 that ventilates is communicated with the water inlet of spike condenser 8 through spike cool cycles inlet pipeline 10, and the delivery port of spike condenser 8 is communicated with the clammy tower 12 that ventilates through spike cool cycles outlet pipeline 11.
The clammy tower 12 of said ventilation is clammy towers of nature or mechanical draft.
The exhaust steam in steam turbine that comes out from main steam turbine steam exhaust device 1 passes through direct air cooling system master blow-off line 2; One the tunnel gets in the direct air cooled condenser 3; Carry out surface heat exchanging with air, the exhaust steam condensation is after direct air cooling system condensing water conduit 4, get into main frame hot well 5.
Another road exhaust steam from Direct Air-Cooled master blow-off line 2 with condensation behind the spike cooling circulating water system surface heat exchanging, gets into main frame hot wells 5 through spike condensing water conduit 9 in spike blow-off line 6, entering spike condenser 8.Wherein the spike cooling circulating water system gets into spike condenser 8 by spike cool cycles inlet channel 10; Flow out from spike cool cycles outlet conduit 11; In nature or the clammy tower 12 of mechanical draft, dispel the heat, backwater gets into spike cool cycles inlet channel 10 again, recycles.
Spike blow-off line 6 is provided with electronic steam discharge butterfly valve 7, when summer, the unit operation back pressure was high, opens, and when spring and autumn unit operation back pressure is low, closes, and plays the effect with direct air cooling system and spike cooling system partition.Compare with water spray spike cooling systems such as existing employing nozzle atomizations, can reduce water content consumption.
Claims (2)
1. direct air cooling system that has peak cooling device; Comprise main steam turbine steam exhaust device (1), direct air cooled condenser (3) and main frame hot well (5); Be provided with main blow-off line (2) between main steam turbine steam exhaust device (1) and the direct air cooled condenser (3); Between direct air cooled condenser (3) and main frame hot well (5), be provided with condensing water conduit (4); It is characterized in that described main blow-off line (2) is communicated with an end of spike blow-off line (6), the other end of spike blow-off line (6) is communicated with spike condenser (8); Spike blow-off line (6) is provided with electronic steam discharge butterfly valve (7); Between spike condenser (8) and main frame hot well (5), be provided with spike condensing water conduit (9), the clammy tower (12) that ventilates is communicated with the water inlet of spike condenser (8) through spike cool cycles inlet pipeline (10), and the delivery port of spike condenser (8) is communicated with the clammy tower (12) that ventilates through spike cool cycles outlet pipeline (11).
2. a kind of direct air cooling system that has peak cooling device according to claim 1 is characterized in that, the clammy tower of said ventilation (12) is the clammy tower of nature or mechanical draft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202759009U CN202216572U (en) | 2011-08-01 | 2011-08-01 | Direct air cooling system with peak cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202759009U CN202216572U (en) | 2011-08-01 | 2011-08-01 | Direct air cooling system with peak cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202216572U true CN202216572U (en) | 2012-05-09 |
Family
ID=46015822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202759009U Expired - Lifetime CN202216572U (en) | 2011-08-01 | 2011-08-01 | Direct air cooling system with peak cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202216572U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337933A (en) * | 2011-08-17 | 2012-02-01 | 山西漳山发电有限责任公司 | Cooling system of thermal power plant |
| CN105840251A (en) * | 2016-04-26 | 2016-08-10 | 哈尔滨工业大学 | Wide-adaptability air cooling system based on exhaust steam diversion |
-
2011
- 2011-08-01 CN CN2011202759009U patent/CN202216572U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337933A (en) * | 2011-08-17 | 2012-02-01 | 山西漳山发电有限责任公司 | Cooling system of thermal power plant |
| CN105840251A (en) * | 2016-04-26 | 2016-08-10 | 哈尔滨工业大学 | Wide-adaptability air cooling system based on exhaust steam diversion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CEEC SHANXI ELECTRIC POWER EXPLORATION + DESIGN IN Free format text: FORMER NAME: SHANXI ELECTRIC POWER EXPLORATION + DESIGN INSTITUTE |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 030001 Yingze street, Shanxi, No. 255, No. Patentee after: CEEC Shanxi Electric Power Exploration & Design Institute Address before: 030001 Yingze street, Shanxi, No. 255, No. Patentee before: Shanxi Electric Power Exploration & Design Institute |
|
| C56 | Change in the name or address of the patentee |
Owner name: CHINA ENERGY ENGINEERING GROUP SHANXI ELECTRIC POW Free format text: FORMER NAME: CEEC SHANXI ELECTRIC POWER EXPLORATION + DESIGN INSTITUTE |
|
| CP01 | Change in the name or title of a patent holder |
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 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120509 |