EP2520855A4 - Feed water and drainage system for medium pressure heater in power plant - Google Patents
Feed water and drainage system for medium pressure heater in power plantInfo
- Publication number
- EP2520855A4 EP2520855A4 EP10840402.1A EP10840402A EP2520855A4 EP 2520855 A4 EP2520855 A4 EP 2520855A4 EP 10840402 A EP10840402 A EP 10840402A EP 2520855 A4 EP2520855 A4 EP 2520855A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- power plant
- feed water
- drainage system
- medium pressure
- pressure heater
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/003—Feed-water heater systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/28—Feed-water heaters, i.e. economisers or like preheaters for direct heat transfer, e.g. by mixing water and steam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D11/00—Feed-water supply not provided for in other main groups
- F22D11/02—Arrangements of feed-water pumps
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Jet Pumps And Other Pumps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200910266839 CN102116469B (en) | 2009-12-30 | 2009-12-30 | Water supply and drainage system for medium-pressure heater of power plant |
PCT/CN2010/075272 WO2011079613A1 (en) | 2009-12-30 | 2010-07-20 | Feed water and drainage system for medium pressure heater in power plant |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2520855A1 EP2520855A1 (en) | 2012-11-07 |
EP2520855A4 true EP2520855A4 (en) | 2016-01-27 |
Family
ID=44215352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10840402.1A Withdrawn EP2520855A4 (en) | 2009-12-30 | 2010-07-20 | Feed water and drainage system for medium pressure heater in power plant |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2520855A4 (en) |
CN (1) | CN102116469B (en) |
WO (1) | WO2011079613A1 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102519033B (en) * | 2011-12-19 | 2014-01-15 | 中国电力工程顾问集团西北电力设计院 | Supercritical/super-supercritical unit heating drain recovery method |
CN102537934A (en) * | 2012-01-07 | 2012-07-04 | 山东泓奥电力科技有限公司 | Intelligent heater utilizing superheat degree of industrial extraction steam |
CN102818252B (en) * | 2012-09-07 | 2015-03-11 | 中国电力工程顾问集团华东电力设计院 | Regenerative system of power station single reheating set and power station |
CN102809142B (en) * | 2012-09-07 | 2015-03-11 | 中国电力工程顾问集团华东电力设计院 | Heat recovery system for secondary reheating unit in power plant and power plant |
CN203395907U (en) * | 2013-04-19 | 2014-01-15 | 冯伟忠 | Gradual flow type high-pressure drainage system with drainage pump |
CN203395908U (en) * | 2013-04-19 | 2014-01-15 | 冯伟忠 | Improved water supply, heat regeneration and water drainage system with medium-pressure heaters and water drainage pump |
GB2519129A (en) * | 2013-10-10 | 2015-04-15 | Ide Technologies Ltd | Pumping Apparatus |
CN104533550B (en) * | 2014-11-03 | 2016-06-01 | 章礼道 | The Double reheat steam turbine ultra-high pressure cylinder that all feedwater backheat is drawn gas can be provided |
CN104533554B (en) * | 2014-11-03 | 2016-09-28 | 章礼道 | A kind of new and effective water supply heat back system for single reheat unit |
CN105423398B (en) * | 2015-12-29 | 2018-04-06 | 华电郑州机械设计研究院有限公司 | One kind series connection heat supply network draining system |
CN106402839A (en) * | 2016-08-30 | 2017-02-15 | 山东电力工程咨询院有限公司 | Dual-boosting boiler water feed system for power station units |
CN109812797A (en) * | 2019-03-11 | 2019-05-28 | 大唐桂冠合山发电有限公司 | Low-pressure heater draining system |
CN110285406A (en) * | 2019-07-19 | 2019-09-27 | 西安交通大学 | A kind of Power Plant Feedwater pump hierarchical arrangement system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0997613A1 (en) * | 1998-05-14 | 2000-05-03 | YYL Corporation | Power generator |
US6422017B1 (en) * | 1998-09-03 | 2002-07-23 | Ashraf Maurice Bassily | Reheat regenerative rankine cycle |
EP1553264A2 (en) * | 2004-01-09 | 2005-07-13 | Siemens Westinghouse Power Corporation | Improved rankine cycle and steam power plant utilizing the same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11311402A (en) * | 1998-04-30 | 1999-11-09 | Mitsubishi Heavy Ind Ltd | Steam plant |
CN2736651Y (en) * | 2004-09-28 | 2005-10-26 | 王汝武 | Safe energy-saving power plant boiler water supply high-pressure heating system |
JP4959156B2 (en) * | 2004-11-29 | 2012-06-20 | 三菱重工業株式会社 | Heat recovery equipment |
CN100354504C (en) * | 2005-12-28 | 2007-12-12 | 上海电力学院 | Multi-grade using backheating drain residual heat generator of thermal power generator set |
CN101571280B (en) * | 2009-06-11 | 2010-09-22 | 河北理工大学 | Multi-pressure and multi-inlet generating waste heat boiler |
CN201652318U (en) * | 2009-12-30 | 2010-11-24 | 中国电力工程顾问集团华东电力设计院 | Water supply and drainage system of medium-pressure heater of power station |
-
2009
- 2009-12-30 CN CN 200910266839 patent/CN102116469B/en active Active
-
2010
- 2010-07-20 EP EP10840402.1A patent/EP2520855A4/en not_active Withdrawn
- 2010-07-20 WO PCT/CN2010/075272 patent/WO2011079613A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0997613A1 (en) * | 1998-05-14 | 2000-05-03 | YYL Corporation | Power generator |
US6422017B1 (en) * | 1998-09-03 | 2002-07-23 | Ashraf Maurice Bassily | Reheat regenerative rankine cycle |
EP1553264A2 (en) * | 2004-01-09 | 2005-07-13 | Siemens Westinghouse Power Corporation | Improved rankine cycle and steam power plant utilizing the same |
Non-Patent Citations (1)
Title |
---|
See also references of WO2011079613A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2520855A1 (en) | 2012-11-07 |
WO2011079613A1 (en) | 2011-07-07 |
CN102116469A (en) | 2011-07-06 |
CN102116469B (en) | 2013-06-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20120730 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR |
|
DAX | Request for extension of the european patent (deleted) | ||
RA4 | Supplementary search report drawn up and despatched (corrected) |
Effective date: 20160107 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F22D 11/00 20060101AFI20151222BHEP |
|
17Q | First examination report despatched |
Effective date: 20190125 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20190605 |