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 plant

Info

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Withdrawn
Application number
EP10840402.1A
Other languages
German (de)
French (fr)
Other versions
EP2520855A1 (en
Inventor
Songlin Shen
Renjie Chen
Gangye Shi
Yongjian Ye
Lei Lin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHINA POWER ENGINEERING CONSULTING GROUP Corp EAST CHINA ELECTRIC POWER INSTITUTE
CHINA POWER ENGINEERING CONSULTING GROUP CORP EAST CHINA ELECTRIC POWER INST
Original Assignee
CHINA POWER ENGINEERING CONSULTING GROUP Corp EAST CHINA ELECTRIC POWER INSTITUTE
CHINA POWER ENGINEERING CONSULTING GROUP CORP EAST CHINA ELECTRIC POWER INST
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHINA POWER ENGINEERING CONSULTING GROUP Corp EAST CHINA ELECTRIC POWER INSTITUTE, CHINA POWER ENGINEERING CONSULTING GROUP CORP EAST CHINA ELECTRIC POWER INST filed Critical CHINA POWER ENGINEERING CONSULTING GROUP Corp EAST CHINA ELECTRIC POWER INSTITUTE
Publication of EP2520855A1 publication Critical patent/EP2520855A1/en
Publication of EP2520855A4 publication Critical patent/EP2520855A4/en
Withdrawn legal-status Critical Current

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)
EP10840402.1A 2009-12-30 2010-07-20 Feed water and drainage system for medium pressure heater in power plant Withdrawn EP2520855A4 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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