CN202165132U - Automatic condensed water discharge system for water feed pump turbine of direct air cooling unit - Google Patents
Automatic condensed water discharge system for water feed pump turbine of direct air cooling unit Download PDFInfo
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- CN202165132U CN202165132U CN2011202058988U CN201120205898U CN202165132U CN 202165132 U CN202165132 U CN 202165132U CN 2011202058988 U CN2011202058988 U CN 2011202058988U CN 201120205898 U CN201120205898 U CN 201120205898U CN 202165132 U CN202165132 U CN 202165132U
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- feed pump
- pump turbine
- turbine
- water
- steam
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Abstract
The utility model discloses an automatic condensed water discharge system for a water feed pump turbine of a direct air cooling unit, aiming at solving the problems of being complicated in the system, high in investment, complicated in control logic as well as high in operation and maintenance cost. The automatic condensed water discharge system comprises the water feed pump turbine (2), a condenser (5) of the water feed pump turbine, and a main turbine steam exhaust device (9), wherein the condenser (5) of the water feed pump turbine is fixed above the main turbine steam exhaust device (9); the water feed pump turbine (2) is communicated with steam of doing work by a steam pipeline (1); the water feed pump turbine (2) is communicated with the condenser (5) of the water feed pump turbine by a steam exhaust pipeline (4) of the water feed pump turbine; a condensed water pipeline (7) is arranged between the condenser (5) of the water feed pump turbine and the main turbine steam exhaust device (9); and the condensed water pipeline (7) is respectively provided with an outlet shutoff valve (6) and a water seal device (8). Therefore, the automatic condensed water discharge system achieves the aim of simplifying the system, saving investment, reducing throttle loss and saving energy.
Description
Technical field
The present invention relates to the condensate system of a kind of thermal power plant Direct Air-cooled Unit feed pump turbine (wet type); Be that the feed pump turbine condensate pump is cancelled; The water of condensation of feed pump turbine (wet type) directly gets into the main steam turbine steam exhaust device through water seal arrangement, has changed the water of condensation mode of movement of feed pump turbine (wet type).
Background technique
At present; When Direct Air-cooled Unit adopts the steam feed pump water supply modes; Feed pump turbine steam discharge major part has adopted the wet type recirculating cooling water system that carries vapour condenser; Steam discharge (exhaust steam) after the drive water pump steam turbine acting its carry condense into water in the vapour condenser after, through the feed pump turbine condensate pump that is provided with in addition it is squeezed into the main steam turbine steam exhaust device.This system can satisfy the requirement of Direct Air-cooled Unit safe and stable operation, but system complex, initial cost is big, and control logic is complicated, and operation and maintenance cost is high, and personnel cost is high.
Summary of the invention
The invention provides a kind of Direct Air-cooled Unit feed pump turbine water of condensation from heat-extraction system, it is complicated to have solved existing system, and initial cost is big, and control logic is complicated, the problem that operation and maintenance cost is high.
The present invention overcomes the above problems through following scheme:
A kind of Direct Air-cooled Unit feed pump turbine water of condensation is from heat-extraction system; The vapour condenser and the main steam turbine steam exhaust device that comprise feed pump turbine, feed pump turbine; The vapour condenser of described feed pump turbine is fixedly installed on the top of main steam turbine steam exhaust device; Feed pump turbine is through steam line and acting vapor communication; The vapour condenser of feed pump turbine and feed pump turbine is communicated with through the blow-off line of feed pump turbine, between the vapour condenser of feed pump turbine and main steam turbine steam exhaust device, is provided with condensate line, on condensate line, is respectively arranged with outlet shut-off valve and water seal arrangement.
Parallel connection is provided with bypass conduit on the water seal arrangement that is provided with on the described condensate line; Bypass conduit is provided with by-pass valve, and the height difference between the highest water level of the lowest water level of the vapour condenser of described feed pump turbine and main steam turbine steam exhaust device is a 7-8 rice.
Direct Air-cooled Unit feed pump turbine (clammy) cancellation feed pump turbine condensate pump reaches simplified system, reduces investment outlay, reduces the purpose of restriction loss, energy saving.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Specific embodiment
A kind of Direct Air-cooled Unit feed pump turbine water of condensation is from heat-extraction system; The vapour condenser 5 and the main steam turbine steam exhaust device 9 that comprise feed pump turbine 2, feed pump turbine; The vapour condenser 5 of described feed pump turbine is fixedly installed on the top of main steam turbine steam exhaust device 9; Feed pump turbine 2 is through steam line 1 and acting vapor communication; The vapour condenser 5 of feed pump turbine 2 and feed pump turbine is communicated with through the blow-off line 4 of feed pump turbine, between the vapour condenser 5 of feed pump turbine and main steam turbine steam exhaust device 9, is provided with condensate line 7, on condensate line 7, is respectively arranged with outlet shut-off valve 6 and water seal arrangement 8.
Parallel connection is provided with bypass conduit 10 on the water seal arrangement 8 that is provided with on the described condensate line 7; Bypass conduit 10 is provided with by-pass valve 11, and the height difference between the lowest water level of the vapour condenser 5 of described feed pump turbine and the highest water level of main steam turbine steam exhaust device 9 is a 7-8 rice.
Steam is through steam line 1,2 actings of entering feed pump turbine; It is boiler pump water that feed pump turbine drives boiler feed pump 3; Exhaust steam after the acting becomes water of condensation through vapour condenser 5 coolings that feed pump turbine blow-off line 4, entering feed pump turbine carry, and water of condensation gets into turbine discharge device 9 through outlet shut-off valve 6, condensate line 7, water seal arrangement 8 from arranging.When water seal arrangement 8 lost efficacy, water of condensation can be passed through bypass conduit 10, by-pass valve 11 gets into main steam turbine steam exhaust device 9.
Claims (2)
1. a Direct Air-cooled Unit feed pump turbine water of condensation is from heat-extraction system; The vapour condenser (5) and the main steam turbine steam exhaust device (9) that comprise feed pump turbine (2), feed pump turbine; It is characterized in that; The vapour condenser of described feed pump turbine (5) is fixedly installed on the top of main steam turbine steam exhaust device (9); Feed pump turbine (2) is through steam line (1) and acting vapor communication; The vapour condenser (5) of feed pump turbine (2) and feed pump turbine is communicated with through the blow-off line (4) of feed pump turbine, between the vapour condenser (5) of feed pump turbine and main steam turbine steam exhaust device (9), is provided with condensate line (7), on condensate line (7), is respectively arranged with outlet shut-off valve (6) and water seal arrangement (8).
2. a kind of Direct Air-cooled Unit feed pump turbine water of condensation according to claim 1 is from heat-extraction system; It is characterized in that; Go up parallel connection at the last water seal arrangement (8) that is provided with of described condensate line (7) and be provided with bypass conduit (10); Bypass conduit (10) is provided with by-pass valve (11), and the height difference between the highest water level of the lowest water level of the vapour condenser of described feed pump turbine (5) and main steam turbine steam exhaust device (9) is a 7-8 rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202058988U CN202165132U (en) | 2011-06-18 | 2011-06-18 | Automatic condensed water discharge system for water feed pump turbine of direct air cooling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202058988U CN202165132U (en) | 2011-06-18 | 2011-06-18 | Automatic condensed water discharge system for water feed pump turbine of direct air cooling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202165132U true CN202165132U (en) | 2012-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202058988U Expired - Lifetime CN202165132U (en) | 2011-06-18 | 2011-06-18 | Automatic condensed water discharge system for water feed pump turbine of direct air cooling unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN202165132U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322307A (en) * | 2011-06-18 | 2012-01-18 | 山西省电力勘测设计院 | Condensed water automatic discharging system of water-feeding pump steam turbine of direct air cooling unit |
| CN102777875A (en) * | 2012-08-01 | 2012-11-14 | 中广核工程有限公司 | Steam converter system of nuclear power plant |
| CN114165826A (en) * | 2022-02-11 | 2022-03-11 | 中国能源建设集团山西省电力勘测设计院有限公司 | Steam extraction and heat supply operation method of cogeneration unit when heat load is low |
-
2011
- 2011-06-18 CN CN2011202058988U patent/CN202165132U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322307A (en) * | 2011-06-18 | 2012-01-18 | 山西省电力勘测设计院 | Condensed water automatic discharging system of water-feeding pump steam turbine of direct air cooling unit |
| CN102777875A (en) * | 2012-08-01 | 2012-11-14 | 中广核工程有限公司 | Steam converter system of nuclear power plant |
| CN114165826A (en) * | 2022-02-11 | 2022-03-11 | 中国能源建设集团山西省电力勘测设计院有限公司 | Steam extraction and heat supply operation method of cogeneration unit when heat load is low |
| CN114165826B (en) * | 2022-02-11 | 2022-05-10 | 中国能源建设集团山西省电力勘测设计院有限公司 | Steam extraction and heat supply operation method of cogeneration unit under low heat load |
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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 |
|
| CP03 | Change of name, title or address |
Address after: 030001 Yingze street, Shanxi, No. 255, No. Patentee after: CEEC Shanxi Electric Power Exploration & Design Institute Address before: 030001 No. 255, Yingze Avenue, Yingze District, Shanxi, Taiyuan 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: 20120314 |