公开(公告)号：US09091183B2

公开(公告)日：2015-07-28

申请号：US13475816

申请日：2012-05-18

申请人： Hussam Zebian ,  Alexander Mitsos

发明人： Hussam Zebian ,  Alexander Mitsos

IPC分类号： F01K7/34 ,  F01K27/00 ,  F01K13/00 ,  F01K13/02 ,  F01K7/22 ,  F01K7/40 ,  F01K17/06 ,  F22D1/32 ,  F01K25/08 ,  F01K7/24

CPC分类号： F01K7/38 ,  F01K7/22 ,  F01K7/24 ,  F01K7/40 ,  F01K13/02 ,  F01K17/06 ,  F01K19/00 ,  F01K25/08 ,  F05D2200/34 ,  F05D2220/31 ,  F05D2260/221 ,  F05D2260/606 ,  F05D2270/20 ,  F05D2270/301 ,  F05D2270/303 ,  F05D2270/3061 ,  F05D2270/66 ,  F22D1/32 ,  F22D1/325 ,  G06F17/10 ,  G06F17/50 ,  Y02E20/18

摘要： Systems and methods are disclosed herein that generally involve a double pinch criterion for optimization of regenerative Rankine cycles. In some embodiments, operating variables such as bleed extraction pressure and bleed flow rate are selected such that a double pinch is obtained in a feedwater heater, thereby improving the efficiency of the Rankine cycle. In particular, a first pinch point is obtained at the onset of condensation of the bleed and a second pinch point is obtained at the exit of the bleed from the feedwater heater. The minimal approach temperature at the first pinch point can be approximately equal to the minimal approach temperature at the second pinch point. Systems that employ regenerative Rankine cycles, methods of operating such systems, and methods of optimizing the operation of such systems are disclosed herein in connection with the double pinch criterion.

摘要翻译： 本文公开的系统和方法通常涉及用于优化再生兰金循环的双重捏合标准。 在一些实施例中，选择诸如排气提取压力和排出流量的操作变量，使得在给水加热器中获得双夹点，从而提高兰金循环的效率。 特别地，在出血冷凝开始时获得第一夹点，并且在从给水加热器排出的出口获得第二夹点。 第一夹点处的最小进近温度可以近似等于第二夹点处的最小进近温度。 本文结合双重捏合标准公开了采用再生兰金循环的系统，操作这种系统的方法以及优化这种系统的操作的方法。

公开(公告)号：US20140130499A1

公开(公告)日：2014-05-15

申请号：US14131499

申请日：2012-06-14

申请人： Carsten Graeber ,  Thomas Loeper ,  Michael Wechsung

发明人： Carsten Graeber ,  Thomas Loeper ,  Michael Wechsung

IPC分类号： F01K7/44 ,  F01K13/02 ,  F01K7/34 ,  F22D1/32

CPC分类号： F01K7/44 ,  F01K7/34 ,  F01K7/40 ,  F01K13/02 ,  F22D1/32 ,  F22D1/325

摘要： A steam turbine installation that has a steam turbine, a steam generator and a feed water pre-heating unit operated by process steam is provided. The steam turbine has an overload bypass line with which main steam can be fed to the feed water pre-heating unit between the steam turbine input and the extraction point during overload operation of the steam turbine, wherein the feed water pre-heating unit has an auxiliary extraction line that is connected to the overload bypass line in such a way that process steam can be extracted from the steam turbine during partial load operation of the steam turbine and added to the feed water pre-heating unit for the additional pre-heating of feed water.

摘要翻译： 提供了一种具有蒸汽轮机，蒸汽发生器和由过程蒸汽操作的给水预热单元的蒸汽轮机设备。 蒸汽轮机具有过载旁通管线，在蒸汽轮机的过载运行期间，主蒸汽可以在蒸汽涡轮机输入和提取点之间供给到给水预热单元，其中给水预热单元具有 辅助抽出管线，其连接到过载旁路管线，使得可以在蒸汽轮机的部分负荷运行期间从蒸汽涡轮机提取过程蒸汽并将其添加到给水预热单元以用于附加预热 给水。

公开(公告)号：US20120272649A1

公开(公告)日：2012-11-01

申请号：US13387033

申请日：2010-07-30

申请人： Thoralf Berndt ,  Qiurong Chen

发明人： Thoralf Berndt ,  Qiurong Chen

IPC分类号： F01K13/00 ,  F22D1/32 ,  F22B29/08

CPC分类号： F01K7/22 ,  F01K7/34 ,  F01K13/02 ,  F22B29/00 ,  F22D1/325

摘要： The invention relates to a method for operating a forced-flow steam generator operating at variable pressure and at a steam temperature above 650° C. and reducing the minimum forced-flow load of the forced-flow steam generator, wherein the forced-flow steam generator is incorporated in the water-/steam-conducting working medium circuit of a power plant and the economizer of the forced-flow steam generator comprises at least one high-pressure pre-heater and/or a heat transfer system for pre-heating the working medium, the at least one high-pressure pre-heater and/or the heat transfer system being arranged upstream as viewed in the working medium circuit direction, wherein if a predetermined partial load point (LT) is exceeded, the heat absorption of the working medium within at least one high-pressure pre-heater and/or the heat transfer system is reduced in such a way that the temperature of the water/steam working medium at the outlet of the economizer is below the boiling point relative to the corresponding economizer outlet by a predetermined temperature difference (TD), and a forced-flow steam generator for performing the method.

摘要翻译： 本发明涉及一种用于操作在可变压力和高于650℃的蒸汽温度下操作并且降低强制流量蒸汽发生器的最小强制流量负载的强制流量蒸汽发生器的方法，其中强制流动蒸汽 发电机被并入发电厂的水/蒸汽工作介质回路中，而强制流量蒸汽发生器的节能器包括至少一个高压预热器和/或用于预热的热传递系统 工作介质，所述至少一个高压预热器和/或所述传热系统在所述工作介质回路方向上观察时被布置在上游，其中如果超过预定的部分负载点（LT），则所述热吸收 在至少一个高压预热器和/或传热系统内的工作介质减少，使得节能器出口处的水/蒸汽工作介质的温度低于沸点相关度 通过预定温度差（TD）到相应的节能器出口，以及用于执行该方法的强制流量蒸汽发生器。

公开(公告)号：US20110314819A1

公开(公告)日：2011-12-29

申请号：US12825597

申请日：2010-06-29

申请人： Mahendhra Muthuramalingam ,  Veerappan Muthaiah ,  Raub Warfield Smith

发明人： Mahendhra Muthuramalingam ,  Veerappan Muthaiah ,  Raub Warfield Smith

IPC分类号： F01K7/34

CPC分类号： F02C6/18 ,  F01K7/34 ,  F01K7/38 ,  F01K23/10 ,  F22D1/32 ,  F22D1/325 ,  Y02E20/16

摘要： A system is disclosed including a low pressure steam turbine; an air-cooled condenser (ACC) in fluid connection with the low pressure (LP) steam turbine, the ACC for receiving a portion of steam from an exhaust of the LP steam turbine; a feedwater heater in fluid connection with the low pressure steam turbine via a conduit, the feedwater heater for receiving a portion of supply steam from the LP steam turbine; and a condensate pump in fluid connection with the ACC and the feedwater heater, the condensate pump for receiving condensate fluid from the ACC and drain fluid from the feedwater heater.

摘要翻译： 公开了一种包括低压蒸汽轮机的系统; 与低压（LP）蒸汽轮机流体连接的空气冷却冷凝器（ACC），ACC用于接收来自LP汽轮机的排气的一部分蒸汽; 经由管道与所述低压蒸汽轮机流体连接的给水加热器，所述给水加热器用于接收来自所述LP汽轮机的供应蒸汽的一部分; 以及与ACC和给水加热器流体连接的冷凝水泵，用于接收来自ACC的冷凝液和来自给水加热器的排出流体的冷凝水泵。

公开(公告)号：US20110220326A1

公开(公告)日：2011-09-15

申请号：US13045204

申请日：2011-03-10

申请人： Amir AMINI

发明人： Amir AMINI

IPC分类号： F28D15/02

CPC分类号： F22D1/325 ,  F22B3/04

摘要： Aspects relate to an energy recovery unit comprising a vessel having a condensate inlet and a condensate outlet and a fluid feed line defining a fluid path. First and second heat exchangers are located within the vessel and are arranged to transfer heat from flash vapor and condensate respectively, to fluid in the fluid feed line. The energy recovery unit can be used to recover waste energy from condensate and flash steam and use it to pre-heat process water, such as boiler feed water.

摘要翻译： 方面涉及能量回收单元，其包括具有冷凝物入口和冷凝物出口的容器以及限定流体路径的流体供给管线。 第一和第二热交换器位于容器内并且被布置成将来自闪蒸汽和冷凝物的热量分配到流体供给管线中的流体。 能量回收单元可用于从冷凝水和闪蒸蒸汽中回收废能，并将其用于预热加工水，如锅炉给水。

公开(公告)号：US4878457A

公开(公告)日：1989-11-07

申请号：US258827

申请日：1988-10-17

申请人： Martin Bekedam

发明人： Martin Bekedam

IPC分类号： F22D1/32

CPC分类号： F22D1/325

摘要： A heat exchange system for steam returning from industrial processors to a pressurized receiver for return to a boiler with recovery of the thermal energy in the spent steam wherein the flow of water from a flash condenser connected to processor traps is regulated by the level of water in a water sink in the flash condenser for maximizing heat exchange and minimizing flash steam loss.

摘要翻译： 一种用于从工业处理器返回到加压接收器的蒸汽的热交换系统，用于返回到锅炉中，其中回收了蒸汽中的热能，其中来自连接到处理器阱的闪光冷凝器的水流由水的水位调节 在闪光冷凝器中的水槽，以最大限度地提高热交换并最大限度地减少闪蒸蒸汽损失。

公开(公告)号：US4637350A

公开(公告)日：1987-01-20

申请号：US781903

申请日：1985-09-30

申请人： Youshun Horibe ,  Yoshikuni Ohshima ,  Toyohiko Masuda

发明人： Youshun Horibe ,  Yoshikuni Ohshima ,  Toyohiko Masuda

IPC分类号： F22D11/00 ,  F22D1/28 ,  F22D1/32

CPC分类号： F22D1/325

摘要： A system for recovering drain which recovers two or more flows or drain of different temperatures, which is applied to a generating plant provided with feed-water heaters in which drain is recovered into a condensation system downstream from a condenser through a drain tank by a drain pump and which comprises a high temperature recovered drain inlet, which is at high temperature and contains much flush steam, and a low temperature drain inlet. The high temperature recovered drain inlet is positioned at a lower part and the low temperature side drain inlet is positioned above the former. This system effects efficient degassing of drain which has high content of dissolved oxygen and efficient control of dissolved oxygen.

摘要翻译： 一种用于回收排出物的系统，其回收两个或更多个不同温度的流或排出物，其被施加到具有供水加热器的发电厂，其中排水通过排水口从冷凝器下游回收到冷凝器下游的冷凝系统 泵，其包括高温回收的排水入口，其处于高温并且包含大量冲洗蒸汽和低温排放入口。 高温回收排水入口位于下部，低温侧排水入口位于前者的上方。 该系统对溶解氧含量高，有效控制溶解氧的排水有效脱气。

公开(公告)号：US20230287808A1

公开(公告)日：2023-09-14

申请号：US18198586

申请日：2023-05-17

申请人： PINTAIL POWER LLC

发明人： William M. CONLON

IPC分类号： F01K23/10 ,  F01K13/02 ,  F01K3/18 ,  F22D1/32 ,  F22B1/06

CPC分类号： F01K23/101 ,  F01K13/02 ,  F01K3/186 ,  F22D1/325 ,  F22B1/06

摘要： The invention relates generally to methods and apparatus for start-up and control of liquid salt energy storage combined cycle systems.

公开(公告)号：US20170074504A1

公开(公告)日：2017-03-16

申请号：US15307700

申请日：2015-03-27

申请人： GENERAL ELECTRIC TECHNOLOGY GMBH

发明人： Paul DROUVOT ,  Torbjorn STENSTROM ,  Klara BERG

IPC分类号： F22D1/32

CPC分类号： F22D1/325 ,  F22B37/025 ,  F22D1/003 ,  F22D1/12 ,  Y02E20/16

摘要： A preheating system for preheating fluid medium to be fed into the HRSG is disclosed. The system includes a feed line and a recirculation line. The feed line is adapted to feed the fluid medium to a Low Pressure Economizer (LPE) of the HRSG. The feed line is adapted to be adjoined to an inlet of the LPE, and an outlet of the LPE enables therefrom the flow of the fluid medium in further portion of the HRSG. The recirculation line is adapted to be connected between the outlet and the inlet of the LPE, in parallel to LPE to recirculate the fluid medium to the LPE. A particular method of preheating using such a system is equally disclosed.

摘要翻译： 公开了一种用于预热送入HRSG的流体介质的预热系统。 该系统包括进料管线和再循环管线。 进料管线适于将流体介质供给HRSG的低压节能器（LPE）。 进料管线适于邻接LPE的入口，并且LPE的出口使得流体介质在HRSG的另外部分中的流动。 再循环管线适于连接在LPE的出口和入口之间，与LPE平行，以将流体介质再循环到LPE。 同样公开了使用这种系统预热的特定方法。

公开(公告)号：US09322298B2

公开(公告)日：2016-04-26

申请号：US14131499

申请日：2012-06-14

申请人： Carsten Graeber ,  Thomas Loeper ,  Michael Wechsung

发明人： Carsten Graeber ,  Thomas Loeper ,  Michael Wechsung

IPC分类号： F01K7/34 ,  F01K7/38 ,  F01K7/40 ,  F22D1/32 ,  F01K7/44 ,  F01K13/02

CPC分类号： F01K7/44 ,  F01K7/34 ,  F01K7/40 ,  F01K13/02 ,  F22D1/32 ,  F22D1/325

摘要： A steam turbine installation that has a steam turbine, a steam generator and a feed water pre-heating unit operated by process steam is provided. The steam turbine has an overload bypass line with which main steam can be fed to the feed water pre-heating unit between the steam turbine input and the extraction point during overload operation of the steam turbine, wherein the feed water pre-heating unit has an auxiliary extraction line that is connected to the overload bypass line in such a way that process steam can be extracted from the steam turbine during partial load operation of the steam turbine and added to the feed water pre-heating unit for the additional pre-heating of feed water.

摘要翻译： 提供了一种具有蒸汽轮机，蒸汽发生器和由过程蒸汽操作的给水预热单元的蒸汽轮机设备。 蒸汽轮机具有过载旁通管线，在蒸汽轮机的过载运行期间，主蒸汽可以在蒸汽涡轮机输入和提取点之间供给到给水预热单元，其中给水预热单元具有 辅助抽出管线，其连接到过载旁路管线，使得可以在蒸汽轮机的部分负荷运行期间从蒸汽涡轮机提取过程蒸汽并将其添加到给水预热单元以用于附加预热 给水。