CN102322307A - Condensed water automatic discharging system of water-feeding pump steam turbine of direct air cooling unit - Google Patents
Condensed water automatic discharging system of water-feeding pump steam turbine of direct air cooling unit Download PDFInfo
- Publication number
- CN102322307A CN102322307A CN201110164116A CN201110164116A CN102322307A CN 102322307 A CN102322307 A CN 102322307A CN 201110164116 A CN201110164116 A CN 201110164116A CN 201110164116 A CN201110164116 A CN 201110164116A CN 102322307 A CN102322307 A CN 102322307A
- Authority
- CN
- China
- Prior art keywords
- water
- feed pump
- steam turbine
- turbine
- feeding pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a condensed water automatic discharging system of a water-feeding pump steam turbine of a direct air cooling unit, which solves the problems of complex system, high investment, complex control logic and high operation and maintenance cost in the prior art. The system comprises a water-feeding pump steam turbine (2), a condenser (5) of the water-feeding pump steam turbine and a steam discharging device (9) of a main steam turbine. The condenser (5) of the water-feeding pump steam turbine is fixedly arranged above the steam discharging device (9) of the main steam turbine. The water-feeding pump steam turbine (2) is communicated with acting steam through a steam pipeline (1). The water-feeding pump steam turbine (2) is communicated with the condenser (5) of the water-feeding pump steam turbine through a steam discharging pipeline (4) of the water-feeding pump steam turbine. A condensed water pipeline (7) is arranged between the condenser (5) of the water-feeding pump steam turbine and the steam discharging device (9) of the main steam turbine. An outlet shutoff valve (6) and a water sealing device (8) are respectively arranged on the condensed water pipeline (7). The purposes of simplifying the system, saving investment, reducing throttle loss and saving energy can be achieved.
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 |
|---|---|---|---|
| CN201110164116A CN102322307A (en) | 2011-06-18 | 2011-06-18 | Condensed water automatic discharging system of water-feeding pump steam turbine of direct air cooling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110164116A CN102322307A (en) | 2011-06-18 | 2011-06-18 | Condensed water automatic discharging system of water-feeding pump steam turbine of direct air cooling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102322307A true CN102322307A (en) | 2012-01-18 |
Family
ID=45450120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110164116A Pending CN102322307A (en) | 2011-06-18 | 2011-06-18 | Condensed water automatic discharging system of water-feeding pump steam turbine of direct air cooling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102322307A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883366A (en) * | 2014-04-11 | 2014-06-25 | 大唐韩城第二发电有限责任公司 | Small steam turbine condensate system of air cooling unit |
| CN105065069A (en) * | 2015-08-14 | 2015-11-18 | 江苏永钢集团有限公司 | Condensed water extracting device of turbine generator set |
| CN106523046A (en) * | 2016-10-10 | 2017-03-22 | 中广核工程有限公司 | Steam turbine drainage system and treatment method for condensation water |
| CN113758299A (en) * | 2021-09-08 | 2021-12-07 | 大唐陕西发电有限公司 | Water outlet system and method for small condenser of direct air-cooling thermal power generating unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61152914A (en) * | 1984-12-27 | 1986-07-11 | Toshiba Corp | Starting of thermal power plant |
| CN1164609A (en) * | 1997-01-31 | 1997-11-12 | 许建壮 | Composite condensate heating power system for turbogenerator |
| CN101560967A (en) * | 2009-05-31 | 2009-10-21 | 中国电力工程顾问集团西南电力设计院 | Drainage system of feed pump turbine arranged at low position |
| CN101852105A (en) * | 2010-05-25 | 2010-10-06 | 山西省电力勘测设计院 | Steam exhaust direct-discharge system of feed pump turbine of direct air-cooling unit |
| CN202165132U (en) * | 2011-06-18 | 2012-03-14 | 山西省电力勘测设计院 | Automatic condensed water discharge system for water feed pump turbine of direct air cooling unit |
-
2011
- 2011-06-18 CN CN201110164116A patent/CN102322307A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61152914A (en) * | 1984-12-27 | 1986-07-11 | Toshiba Corp | Starting of thermal power plant |
| CN1164609A (en) * | 1997-01-31 | 1997-11-12 | 许建壮 | Composite condensate heating power system for turbogenerator |
| CN101560967A (en) * | 2009-05-31 | 2009-10-21 | 中国电力工程顾问集团西南电力设计院 | Drainage system of feed pump turbine arranged at low position |
| CN101852105A (en) * | 2010-05-25 | 2010-10-06 | 山西省电力勘测设计院 | Steam exhaust direct-discharge system of feed pump turbine of direct air-cooling unit |
| CN202165132U (en) * | 2011-06-18 | 2012-03-14 | 山西省电力勘测设计院 | Automatic condensed water discharge system for water feed pump turbine of direct air cooling unit |
Non-Patent Citations (1)
| Title |
|---|
| 司派友等: "空冷机组汽动给水泵运行方式的探讨", 《华北电力技术》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883366A (en) * | 2014-04-11 | 2014-06-25 | 大唐韩城第二发电有限责任公司 | Small steam turbine condensate system of air cooling unit |
| CN103883366B (en) * | 2014-04-11 | 2015-12-09 | 大唐韩城第二发电有限责任公司 | A kind of little steam turbine condensate system of Air-cooled Unit |
| CN105065069A (en) * | 2015-08-14 | 2015-11-18 | 江苏永钢集团有限公司 | Condensed water extracting device of turbine generator set |
| CN106523046A (en) * | 2016-10-10 | 2017-03-22 | 中广核工程有限公司 | Steam turbine drainage system and treatment method for condensation water |
| CN113758299A (en) * | 2021-09-08 | 2021-12-07 | 大唐陕西发电有限公司 | Water outlet system and method for small condenser of direct air-cooling thermal power generating unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202195714U (en) | Power plant steam-water system with waste steam heat transfer system | |
| CN102322307A (en) | Condensed water automatic discharging system of water-feeding pump steam turbine of direct air cooling unit | |
| CN203848705U (en) | Exhausted steam recycling system | |
| CN208793048U (en) | A kind of efficient power station heating system of the absorption heat pump of integrated steam condenser | |
| CN202165132U (en) | Automatic condensed water discharge system for water feed pump turbine of direct air cooling unit | |
| CN201202499Y (en) | Working apparatus of steam water turbine | |
| CN103953961A (en) | High back pressure and heat pump combined heat supply system for air cooling unit | |
| CN203336572U (en) | Bypass economizer used for comprehensive utilization of flue gas waste heat | |
| CN104482579B (en) | Air-cooled Unit double-backpressure circulating water heating | |
| CN202970813U (en) | Condensate system of direct air-cooling unit water feed pump turbine | |
| CN202991157U (en) | Raw water heating system using waste steam of direct air-cooling turbine for heating | |
| CN206190337U (en) | Little quick -witted condenser and host computer condenser combination formula condensing system based on arrange side by side | |
| CN202349998U (en) | Condensed water and water supply deoxidizing system for thermal power plant | |
| CN203421669U (en) | Comprehensive heat utilization system of boiler tail | |
| CN209485103U (en) | Low-pressure heater | |
| CN204962682U (en) | High -efficient multi -functional steam engine | |
| CN107726878B (en) | Natural ventilation direct air cooling system | |
| CN203298279U (en) | Flash and condensing device preventing air from entering | |
| CN201916007U (en) | Energy-saving shaft seal heater system | |
| CN202108548U (en) | Clamminess water supply pump steam turbine water condensation system used for direct air cooling unit | |
| CN204806369U (en) | Energy -saving thermal de aeration ware | |
| CN204901728U (en) | Heat hydrophobous fiery power boiler waste heat recovery system of discharging fume | |
| CN209782597U (en) | Closed type exhaust steam recovery complete equipment | |
| CN204345766U (en) | The two back pressure circulating water heating system of Air-cooled Unit | |
| CN203477894U (en) | Steam delivery device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120118 |