CN1106906A - 将供水引入-联合循环发电站的配置 - Google Patents
将供水引入-联合循环发电站的配置 Download PDFInfo
- Publication number
- CN1106906A CN1106906A CN94119703A CN94119703A CN1106906A CN 1106906 A CN1106906 A CN 1106906A CN 94119703 A CN94119703 A CN 94119703A CN 94119703 A CN94119703 A CN 94119703A CN 1106906 A CN1106906 A CN 1106906A
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- CN
- China
- Prior art keywords
- pump
- pressure
- low
- water
- pump pipeline
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
- F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
- F01K23/106—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle with water evaporated or preheated at different pressures in exhaust boiler
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Water Supply & Treatment (AREA)
- Jet Pumps And Other Pumps (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Control Of Turbines (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Reciprocating Pumps (AREA)
Abstract
本发明涉及一种用以将供水引入一蒸汽发生器
内,最好是引入带有至少一个废热锅炉的联合循环发
电站的废热锅炉内的配置,它带有一高压系统和一低
压系统,从至少一个供水容器(10)分别向这两个系统
供水,并且供水泵管线(26到31)被构成是三重重复
的,且具有带驱动电机(35)的泵(32,33),一个用于低
压系统的泵(32)和一个用于高压系统的泵(33)有一
个共同的驱动电机(35)。
Description
本发明涉及一种配置,用以将供水引入一蒸汽发生器,最好是引入带有至少一个废热锅炉的联合循环发电站的废热锅炉内,它带有一高压系统和一低压系统,从至少一个供水容器分别向这两个系统供水并且其供水泵管线被分别构造成是三层重复的,该供水泵管线具有带驱动电机的泵。
对于采用蒸汽作为蒸汽涡轮机的驱动介质来说,通常已知将供水引入一蒸汽发生器,供水在其内蒸发。如果需要则在其内过度过热。然后将之供给到相关的蒸汽涡轮机。为引入供水,也已知设置用以从一供水容器或类似的供水箱输送供水的泵。
在联合循环发电站设备中,通常设置至少两个以特定方式供给供水的废热锅炉。通常将废热锅炉构造成所谓的两压力废热锅炉,即带有不同压力等级的管道系统的锅炉。在废热锅炉中这些管道系统由安装在其中的蒸发器和过度加热器相应延续。
正如在其它发电站设备中,对每个压力系统是以三重重复方式将供水引入这样一个两压力废热锅炉内,即通过采用三个相互独立的泵。每个泵都通常设计成最大输出量的50%,这样在任何一个泵单元失效的情况下,一个泵单元通常被留作预备。
相应于不同的压力级别,即120 bar的高压和16 bar的低压,对于高压泵规定采用中压电机作为马达驱动,而低压泵则采用低压电机驱动,而与中压电机相比低压电机具有比较不利的效率。
基于该现有技术,本发明的目的是提供一种设计简单的配置,其中可最有利地利用泵的可用驱动动力。
在本发明中该目的是通过权利要求1的特征部分特征实现的。本发明为一个高压系统的泵和一个低压系统的泵设置了一共用的驱动电机。换句话说,只需要过去所要求的电机的一半。关于更良好的动力输出,根据本发明的一有利扩展,设置了通常被构成为中压电机的驱动电机。这是较为可能的并即使在低压泵情况下也不会产生不利状况。
根据本发明一最佳实施例,设置了单独一个供水容器,其上设置有供水泵管线。各供水管道在供水泵管线的上游分别并最好设置一过滤装置,从流动方向看,在过滤装置之后,三个供水管道(为重复目的而设)中的每一个都分成一高压泵管线和一低压泵管线。
在本发明的另一最佳实施例中,各高压泵管线连接于一高压收集管道,各低压泵管线连接于一低压收集管道,它们分别导向废热锅炉。
本发明的这些和其它最佳实施例是附属权利要求的主题。
借助于附图所示的实施例,现在详细解释并描述本发明,本发明的最佳实施例和特殊的优点。
单一的附图示出了一个带脱气器12,蒸汽预热装置14,一喷雾连接装置16和一安全阀18的供水容器10。供水容器10具有三个供水吸取管道出口20,22和24,一个过滤装置21,23和25连接于各个供水吸取管道出口22,20和24。
沿流动方向看,在过滤装置21,23和25的下游,供水管道20,22和24分别分成一个高压泵管线26,28和30以及一个低压泵管线27,29和31。每个泵管线26到31都装有一个与压力级别匹配的泵32,33,它们分别连接于一个驱动电机35并由后者驱动。
在压力端,各高压和低压泵管线26到31都分别连接于一收集管道36,37,收集管道36,37与压力级别相应并导向废热锅炉(这里未详细示出)。此外,收集管道38,39被连接于压力端泵管线26到31,收集管道38,39也同样与压力级别相关并用以补偿零排量。
该图所示配置的特殊优点在于:除了因对电机及相关电力供给和控制的需求小而可节省投资外,由于采用了更有利的中压电机以驱动两个低压和高压泵,所以,也降低了操作成本。
Claims (6)
1、一种用以将供水引入一蒸汽发生器内,最好是引入带有至少一个废热锅炉的联合循环发电站的废热锅炉内的配置,它带有一高压系统和一低压系统,从至少一个供水容器(10)分别向这两个系统供水,并且供水泵管线(26到31)被构成是三重重复的,且具有带驱动电机(35)的泵(32,33),其特征在于一个用于低压系统的泵(32)和一个用于高压系统的泵(33)有一个共同的驱动电机(35)。
2、如权利要求1所述的配置,其特征在于驱动电机被构成为中压电机。
3、如权利要求2所述的配置,其特征在于设置单独一个供水容器(10),供水管道(20,22,24)与之连接。
4、如前述权利要求之一所述的配置,其特征在于各供水管道(20,22,24)具有一个连接于供水泵管线(26到31)上游的过滤装置(21,23,25)。
5、如权利要求4所述的配置,其特征在于从流动方向看,在过滤装置(21,23,25)之后各供水管道(20,22,24)被分成一低压泵管线(26,28,30)和一高压泵管线(27,29,31)。
6、如前述权利要求之一所述的配置,其特征在于各低压泵管线(26,28,30)连接于一低压收集管道(36),各高压泵管线(27,29,31)则连接于高压泵管线(37),它们分别导向至少一个废热锅炉。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4342003A DE4342003A1 (de) | 1993-12-09 | 1993-12-09 | Anordnung für die Speisewassereinspeisung in einem Kombikraftwerk |
DEP4342003.6 | 1993-12-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1106906A true CN1106906A (zh) | 1995-08-16 |
Family
ID=6504581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN94119703A Pending CN1106906A (zh) | 1993-12-09 | 1994-12-08 | 将供水引入-联合循环发电站的配置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5519998A (zh) |
EP (1) | EP0657626B1 (zh) |
JP (1) | JPH07217816A (zh) |
CN (1) | CN1106906A (zh) |
AT (1) | ATE155549T1 (zh) |
DE (2) | DE4342003A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101839471A (zh) * | 2010-04-16 | 2010-09-22 | 河南蓝马啤酒有限公司 | 啤酒生产中冷却热水再利用系统 |
CN102353037A (zh) * | 2011-08-30 | 2012-02-15 | 上海申能临港燃机发电有限公司 | 联合循环发电机组的给水系统 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106195998A (zh) * | 2016-08-31 | 2016-12-07 | 无锡华光锅炉股份有限公司 | 一种余热锅炉高压系统上水结构 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2013976A1 (en) * | 1970-03-24 | 1971-12-23 | Kraftwerk Union Ag | Emergency water feed system - for nuclear energy steam raising plant esp boiling water reactors |
US3774579A (en) * | 1971-02-17 | 1973-11-27 | Hitachi Ltd | Method and apparatus for restarting boiler feed-water pump system |
JPS5399103A (en) * | 1977-02-08 | 1978-08-30 | Toshiba Corp | Boiler feed water pump controller |
DE2740530C3 (de) * | 1977-09-08 | 1980-03-13 | Kraftwerk Union Ag, 4330 Muelheim | Einrichtung zur Vermeidung von speisewasserseitigen Thermoschocks im Hochdruckteil von Dampfkraftwerken |
JPS60201008A (ja) * | 1984-03-26 | 1985-10-11 | Hitachi Ltd | プラント運転制御方法及びその装置 |
ES2083627T3 (es) * | 1991-07-17 | 1996-04-16 | Siemens Ag | Procedimiento para la operacion de una instalacion de turbina de gas y vapor e instalacion para la realizacion del procedimiento. |
US5215448A (en) * | 1991-12-26 | 1993-06-01 | Ingersoll-Dresser Pump Company | Combined boiler feed and condensate pump |
DE4302486A1 (de) * | 1993-01-29 | 1994-08-04 | Abb Patent Gmbh | Verfahren und Vorrichtung zum Betrieb des Wasser-Dampf-Kreislaufs eines Wärmekraftwerkes |
-
1993
- 1993-12-09 DE DE4342003A patent/DE4342003A1/de not_active Withdrawn
-
1994
- 1994-12-03 AT AT94119097T patent/ATE155549T1/de not_active IP Right Cessation
- 1994-12-03 DE DE59403388T patent/DE59403388D1/de not_active Revoked
- 1994-12-03 EP EP94119097A patent/EP0657626B1/de not_active Revoked
- 1994-12-08 CN CN94119703A patent/CN1106906A/zh active Pending
- 1994-12-08 JP JP6305086A patent/JPH07217816A/ja active Pending
- 1994-12-09 US US08/353,123 patent/US5519998A/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101839471A (zh) * | 2010-04-16 | 2010-09-22 | 河南蓝马啤酒有限公司 | 啤酒生产中冷却热水再利用系统 |
CN101839471B (zh) * | 2010-04-16 | 2012-10-17 | 河南蓝马啤酒有限公司 | 啤酒生产中冷却热水再利用系统 |
CN102353037A (zh) * | 2011-08-30 | 2012-02-15 | 上海申能临港燃机发电有限公司 | 联合循环发电机组的给水系统 |
Also Published As
Publication number | Publication date |
---|---|
JPH07217816A (ja) | 1995-08-18 |
EP0657626B1 (de) | 1997-07-16 |
ATE155549T1 (de) | 1997-08-15 |
EP0657626A1 (de) | 1995-06-14 |
DE59403388D1 (de) | 1997-08-21 |
DE4342003A1 (de) | 1995-06-14 |
US5519998A (en) | 1996-05-28 |
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