CN105408590A - 用于蒸汽轮机的涡轮机凝汽器 - Google Patents
用于蒸汽轮机的涡轮机凝汽器 Download PDFInfo
- Publication number
- CN105408590A CN105408590A CN201480042241.0A CN201480042241A CN105408590A CN 105408590 A CN105408590 A CN 105408590A CN 201480042241 A CN201480042241 A CN 201480042241A CN 105408590 A CN105408590 A CN 105408590A
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- Prior art keywords
- steam
- turbo machine
- vapour condenser
- turbine
- condenser
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- 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
- F01K9/00—Plants characterised by condensers arranged or modified to co-operate with the engines
- F01K9/04—Plants characterised by condensers arranged or modified to co-operate with the engines with dump valves to by-pass stages
-
- 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
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
-
- 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
- F01K9/00—Plants characterised by condensers arranged or modified to co-operate with the engines
- F01K9/003—Plants characterised by condensers arranged or modified to co-operate with the engines condenser cooling circuits
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Control Of Turbines (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
本发明涉及一种涡轮机凝汽器,所述涡轮机凝汽器具有:具有用于将出自蒸汽轮机的废蒸汽液化的凝汽器管的区域;通过凝汽器壁构成的用于容纳废蒸汽的空间;和用于将旁路蒸汽(D)导入到涡轮机凝汽器(2)的所述空间中的旁路蒸汽导入装置(1),其中旁路蒸汽导入装置(1)包括伸入到涡轮机凝汽器(2)中的环形的喷嘴(4),所述喷嘴的出口端具有不均匀的边缘(R)。
Description
技术领域
本发明涉及一种根据权利要求1的前序部分的涡轮机凝汽器。
背景技术
涡轮机凝汽器用于液化蒸汽轮机的废蒸汽。为了在具有组合的燃气轮机和蒸汽轮机的设施中能够满足能量需求的负载峰值,当今,这种设施大部分时间仅在燃气轮机最小负载下运转。因此,在需要时,能够非常快地加速燃气轮机。
但是,此外,燃气轮机在最小负载下产生的废热必须引出,这经由在燃气轮机的下游设置的废热蒸汽发生器来进行。但是,因为在废热蒸汽发生器中产生的蒸汽不能够经由在下游设置的蒸汽轮机和发电机转换成电流,所以这些过剩蒸汽在绕过蒸汽轮机的条件下经由旁路蒸汽导入装置直接引导到涡轮机凝汽器中。
在此,这种旁路蒸汽导入装置通常配设有用于调节旁路蒸汽量的旁路阀、用于旁路蒸汽的膨胀的作为节流装置的多孔笼、和用于冷却旁路蒸汽的喷水装置。但在,在这种旁路蒸汽导入装置中要节流的热梯度通常是非常大的。因此,在旁路阀的上游的蒸汽压强通常为小于45bar,而涡轮机凝汽器中的反压能够以大约0.1bar给出。如果现在具有高的压强水平的所述旁路蒸汽流从旁路蒸汽装置进入到具有明显更低的蒸汽压强水平的涡轮机凝汽器中,那么在流入的旁路蒸汽的边缘区域中得到高的速度梯度。因此,突然的膨胀引起,根据压力梯度在局部产生极超声速的流场。此外,存在下述风险:受到撞击的构件、例如邻接的涡轮机叶片、凝汽器管或凝汽器壁被激发至振动。两者都导致:在设施运行时,声发射增加进而可能超过规定的最大值。
发明内容
本发明的目的是,提供一种涡轮机凝汽器,所述涡轮机凝汽器能够实现减少的声发射。
所述目的通过具有权利要求1的特征的涡轮发电机来实现。
由于在蒸汽从旁路蒸汽导入装置进入到涡轮机凝汽器中的进口区域中设有在出口端处具有不均匀的边缘的环形的喷嘴,在进入的旁路蒸汽流的横截面之上出现改进的混匀进而在流入到涡轮机凝汽器中的旁路蒸汽的边缘区域中出现更低的速度梯度。因此,通过不均匀地构成的边缘减小通常刚好在流入的旁路蒸汽的边缘区域中占优势的高的速度梯度,所述高的速度梯度在进入到涡轮凝汽器中时由于与之关联的高的压力梯度能够引起强烈的紊流。规则地或也不规则地在位于旁路蒸汽导入装置的出流的端部处的边缘之上安置的***部和/或凹陷部引起,旁路蒸汽在离开时已经局部地改变进而在其横截面之上更好地混匀。这引起速度梯度的减小进而更弱地构成的紊流。因为所述紊流基本上有助于声发射,因此通过改进的混匀和速度梯度的由此引起的减小在流入的旁路蒸汽的边缘区域中能够有效地减少声发射。
优选地,喷嘴的边缘区域以具有锯齿状的或齿状的出口边缘的锯齿形尾缘喷嘴(Chevron-Düse)的形式构成。由此,在流入的旁路蒸汽的总的横截面之上得到尤其有效的混匀,因此均匀的速度梯度的因此得到的减小引起声发射的尤其有效的减少。
本发明的其他有利的改进方案在从属权利要求中推出。
具体实施方式
现在,本发明应当根据附图来示例性地阐述。所述附图示意地示出涡轮机凝汽器的下述区域,在所述区域中,将旁路蒸汽D从旁路蒸汽导入装置1引入到涡轮机凝汽器2中。经由作为节流装置的所谓的分配管3——或更普遍为多孔笼——将旁路蒸汽D导入到涡轮机凝汽器中。随后,在多孔笼3的出口处,旁路蒸汽D以高的速度穿过孔(在附图中通过短线标明)流动到涡轮机凝汽器2中。由此,刚好在流入的旁路蒸汽D的边缘区域中得到尤其高的速度梯度。
根据本发明,现在,在进口区域中,在此处描述的实施例中,在下游在旁路蒸汽导入装置1的多孔笼3之后设置有环形的喷嘴4,所述喷嘴的指向涡轮机凝汽器2的边缘锯齿状地——类似于皇冠地——构成。例如,不均匀的边缘的这种实施方式例如从航空发动机构造中以名称锯齿形尾缘喷嘴(Chevron-Düse)已知。通过借助于锯齿Z不均匀地构成的边缘,尤其在导入的旁路蒸汽的边缘区域中占优势的高的速度梯度在流入的旁路蒸汽的环周之上局部地中断进而局部地改变。现在,所述在边缘区域中的横截面之上不再均匀的速度梯度引起不均匀的混匀进而引起声发射的有效的减少。因此,在运行状态中也能够遵守根据设施的地点所要求的声发射极限,在所述运行状态中,设施仅在燃气轮机最小负载下运行。
根据锯齿的或齿的所选择的形状和设置,边缘构成为能够具有***部和/或凹陷部,所述***部和/或凹陷部以在边缘的环周之上均匀地或也不均匀地分布的方式设置。在此,锯齿或齿能够具有任意形状,例如三角形或梯形,并且也在需要时朝向喷嘴的轴线A的方向弯曲。在此,始终重要的是:尽可能有效地防止旁路蒸汽射流与周围的蒸汽在涡轮机凝汽器2中的尽可能均匀的紊流混合,所述紊流混合能够引起强烈的宽频噪声进而引起高的声发射。
即使本发明在上述实施例中仅结合具有凝汽器管和位于其上的作为用于容纳出自邻接的蒸汽轮机的废蒸汽的过渡空间的凝汽器圆顶的“下排式”涡轮机凝汽器来描述,本发明原则上仍能够在任何类型的涡轮机凝汽器中使用。因此,用于导入蒸汽的喷嘴的根据本发明的构成方案也能够在轴流式涡轮机凝汽器、侧向设置的“单侧排气式”凝汽器或也在双侧侧向设置的“双侧排气式”凝汽器中作为凝汽器连接装置使用。
Claims (4)
1.一种用于蒸汽轮机的涡轮机凝汽器(2),所述涡轮机凝汽器具有:具有用于将出自所述蒸汽轮机的废蒸汽液化的凝汽器管的区域、通过凝汽器壁构成的用于容纳所述废蒸汽的空间、和用于将旁路蒸汽(D)导入到所述涡轮机凝汽器(2)的所述空间中的旁路蒸汽导入装置(1),
其特征在于,
所述旁路蒸汽导入装置(1)包括伸入到所述涡轮机凝汽器(2)中的环形的喷嘴(4),所述喷嘴的出口端具有不均匀的边缘(R)。
2.根据权利要求1所述的涡轮机凝汽器,
其特征在于,
所述边缘(R)构成为锯齿状的或齿状的出口边缘。
3.根据权利要求2所述的涡轮机凝汽器,
其特征在于,
所述边缘(R)具有在环周之上同式样地分布的锯齿(Z)或齿。
4.根据权利要求3所述的涡轮机凝汽器,
其特征在于,
所述边缘(R)的所述锯齿(Z)或齿至少部分地朝向所述喷嘴的轴线方向(A)倾斜。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13178234.4 | 2013-07-26 | ||
EP20130178234 EP2829693A1 (de) | 2013-07-26 | 2013-07-26 | Turbinenkondensator für eine Dampfturbine |
PCT/EP2014/065349 WO2015011006A2 (de) | 2013-07-26 | 2014-07-17 | Turbinenkondensator für eine dampfturbine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN105408590A true CN105408590A (zh) | 2016-03-16 |
Family
ID=48874209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201480042241.0A Pending CN105408590A (zh) | 2013-07-26 | 2014-07-17 | 用于蒸汽轮机的涡轮机凝汽器 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20160169053A1 (zh) |
EP (2) | EP2829693A1 (zh) |
JP (1) | JP2016525668A (zh) |
KR (1) | KR20160030319A (zh) |
CN (1) | CN105408590A (zh) |
RU (1) | RU2016106663A (zh) |
WO (1) | WO2015011006A2 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3251651A3 (de) * | 2016-05-31 | 2018-05-23 | JK-Holding GmbH | Vorrichtung für trockene wasserstrahlmassage |
US10731513B2 (en) * | 2017-01-31 | 2020-08-04 | Control Components, Inc. | Compact multi-stage condenser dump device |
EP3591179A1 (de) * | 2018-07-03 | 2020-01-08 | Siemens Aktiengesellschaft | Umleitdampfeinführung |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3799256A (en) * | 1971-11-18 | 1974-03-26 | P Gaines | Apparatus for transferring heat |
JPS5595085A (en) * | 1979-01-10 | 1980-07-18 | Tlv Co Ltd | Condenser |
US20040177613A1 (en) * | 2003-03-12 | 2004-09-16 | Depenning Charles Lawrence | Noise abatement device and method for air-cooled condensing systems |
US20070025078A1 (en) * | 2005-07-30 | 2007-02-01 | Articchoke Enterprises Llc | Blade-thru condenser and heat dissipation system thereof |
CN101033917A (zh) * | 2006-11-29 | 2007-09-12 | 辽宁光宇热能技术发展有限公司 | 一种管壳式汽水换热器 |
CN202329265U (zh) * | 2011-10-16 | 2012-07-11 | 黄远华 | 蒸汽回收*** |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2353195A (en) * | 1940-08-03 | 1944-07-11 | Sims Alfred William | Mixing fluids of different temperatures and densities |
WO1997032113A1 (en) * | 1994-08-29 | 1997-09-04 | Ranotor Utvecklings Ab | Steam engine plant comprising a condenser system |
US6481208B1 (en) * | 2001-10-01 | 2002-11-19 | Holtec International | External steam dump |
-
2013
- 2013-07-26 EP EP20130178234 patent/EP2829693A1/de not_active Withdrawn
-
2014
- 2014-07-17 EP EP14739830.9A patent/EP2994621A2/de not_active Withdrawn
- 2014-07-17 US US14/905,592 patent/US20160169053A1/en not_active Abandoned
- 2014-07-17 WO PCT/EP2014/065349 patent/WO2015011006A2/de active Application Filing
- 2014-07-17 JP JP2016528440A patent/JP2016525668A/ja active Pending
- 2014-07-17 RU RU2016106663A patent/RU2016106663A/ru unknown
- 2014-07-17 CN CN201480042241.0A patent/CN105408590A/zh active Pending
- 2014-07-17 KR KR1020167004645A patent/KR20160030319A/ko not_active Application Discontinuation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3799256A (en) * | 1971-11-18 | 1974-03-26 | P Gaines | Apparatus for transferring heat |
JPS5595085A (en) * | 1979-01-10 | 1980-07-18 | Tlv Co Ltd | Condenser |
US20040177613A1 (en) * | 2003-03-12 | 2004-09-16 | Depenning Charles Lawrence | Noise abatement device and method for air-cooled condensing systems |
US20070025078A1 (en) * | 2005-07-30 | 2007-02-01 | Articchoke Enterprises Llc | Blade-thru condenser and heat dissipation system thereof |
CN101033917A (zh) * | 2006-11-29 | 2007-09-12 | 辽宁光宇热能技术发展有限公司 | 一种管壳式汽水换热器 |
CN202329265U (zh) * | 2011-10-16 | 2012-07-11 | 黄远华 | 蒸汽回收*** |
Non-Patent Citations (1)
Title |
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朱锡佳: "低马赫数下锯齿形尾缘喷嘴的启动声学特性研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
Also Published As
Publication number | Publication date |
---|---|
WO2015011006A3 (de) | 2015-03-26 |
US20160169053A1 (en) | 2016-06-16 |
JP2016525668A (ja) | 2016-08-25 |
RU2016106663A (ru) | 2017-08-31 |
WO2015011006A2 (de) | 2015-01-29 |
KR20160030319A (ko) | 2016-03-16 |
EP2994621A2 (de) | 2016-03-16 |
EP2829693A1 (de) | 2015-01-28 |
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