Steam Generator
    1.
    发明申请
    Steam Generator 失效
    蒸汽发生器

    公开(公告)号:US20070227469A1

    公开(公告)日:2007-10-04

    申请号:US11689007

    申请日:2007-03-21

    申请人: Christoph Ruchti

    发明人: Christoph Ruchti

    IPC分类号: F22B1/18 F01K7/34

    摘要: A steam generator has a pressure casing formed in the shape of a drum. The longitudinal axis of this pressure casing is oriented horizontally or largely horizontally. A hollow tube (1) is formed in such a way that at least two hollow tube sections (1′) are provided, preferably a plurality of hollow tube sections which extend predominantly parallel to each other, and which are arranged in stack-form vertically or vertically offset above each other, and which in each case are interconnected in pairs at an end section, wherein this hollow tube is located in the vertical direction above the feed section (8).

    摘要翻译: 蒸汽发生器具有形成为滚筒形状的压力壳体。 该压力壳体的纵向轴线水平或大大水平地定向。 中空管(1)形成为至少提供两个中空管部分(1'),优选地,多个中空管部分主要彼此平行延伸,并且以垂直方式排列成堆 或彼此垂直偏移,并且在每种情况下在端部处成对地互连,其中该中空管位于进料部分(8)上方的垂直方向上。

    Cleaning of the water/steam circuit in a once-through forced-flow steam
generator
    3.
    发明授权
    Cleaning of the water/steam circuit in a once-through forced-flow steam generator 失效
    在一次通过的强制流量蒸汽发生器中清洁水/蒸汽回路

    公开(公告)号:US5840130A

    公开(公告)日:1998-11-24

    申请号:US747404

    申请日:1996-11-12

    摘要: In a combined gas/steam power plant with a once-through forced-flow steam generator, a separation bottle (25) is connected between the evaporator (22) and the superheater (23). To clean the water/steam circuit, in the full-load or the part-load mode, a larger quantity of water than necessary is conveyed through the economizer (21) and the evaporator (22) via a feed pump (20). The quantity of water is selected such that wet steam passes into the separation bottle (25). This water fraction, together with all the impurities contained therein, is separated in the separation bottle and is drawn off via a clarifying line (29). Overfeeding can be regulated in such a way that the fresh steam temperature corresponds to the nominal value of the respective load point. When cleaning of the water/steam circuit is intended in the full-load mode, and without overfeeding the system, steam from a stage of incomplete evaporation can be extracted out of the evaporator and led into the separation bottle. During cold starting, the supercooled water passing via the evaporator (22) into the separation bottle (25) and, later, the water separated from the generated wet steam, are discarded via the clarifying line (29) until the desired purity in the water/steam circuit is reached.

    摘要翻译: 在具有一次性强制流量蒸汽发生器的组合式气体/蒸汽动力装置中,分离瓶(25)连接在蒸发器(22)和过热器(23)之间。 为了清洁水/蒸汽回路,在全负荷或部分负荷模式下,需要较大量的水通过供给泵(20)经过节能器(21)和蒸发器(22)输送。 选择水的量使得湿蒸汽进入分离瓶(25)。 该水分与其中含有的所有杂质一起在分离瓶中分离,并通过澄清管线(29)排出。 可以以新鲜蒸汽温度对应于相应负载点的标称值的方式来调节过量供给。 当全水负荷模式下清洗水/蒸汽回路时,不会过量供给系统,蒸发器不完全蒸发的蒸汽可以从蒸发器中抽出并进入分离瓶。 在冷启动期间,通过蒸发器(22)进入分离瓶(25)的过冷水以及随后从产生的湿蒸汽分离出的水通过澄清管线(29)被丢弃,直到在水中所需的纯度 /蒸汽回路。

    Method for feed water control in waste heat steam generators
    4.
    发明授权
    Method for feed water control in waste heat steam generators 失效
    废热蒸汽发生器给水控制方法

    公开(公告)号:US5771846A

    公开(公告)日:1998-06-30

    申请号:US620331

    申请日:1996-03-22

    申请人: Christoph Ruchti

    发明人: Christoph Ruchti

    CPC分类号: F22D5/32 F22B35/007

    摘要: In a method for feed water control in waste heat steam generators, in particular drum boilers with a circulating pump (9) and drum boilers with natural circulation employed in combination power plants, wherein, by a three-component control by means of a superordinated level regulator (13) and a flow-through regulator (14) subordinated to the level regulator (13), the set value (S.sub.in) of the flow-through regulator (14) is displaced by the level regulator (13) in such a way that the level in the drum (6) is always regulated to the set value (S), regardless of interfering effects, the flow-through regulator (14) for the feed water flow (m.sub.s) is guided by the heat amount (Q.sub.AG) in the exhaust gas flow. The output signal of the flow-through regulator (14) for the feed water flow (m.sub.s) is limited, wherein as the function of the heat amount (Q.sub.AG) in the exhaust gas flow a selection is made between a limit value (m.sub.1) for the start-up operation and a limit value (m.sub.2) for normal control operation and the switch from (m.sub.1) to (m.sub.2) takes place via a time function element (16) with an idle time (T).

    摘要翻译: 在用于组合发电厂的废热蒸汽发生器,特别是具有循环泵(9)的鼓式锅炉和具有自然循环的鼓式锅炉的废热蒸汽发生器中的给水控制方法中,其中,通过以上级别的三分量控制 调节器(13)和从属于电平调节器(13)的流通调节器(14),流通调节器(14)的设定值(Sin)以这种方式被电平调节器(13)置换 无论干扰效果如何,鼓(6)中的水平总是被调节到设定值(S),用于给水流(+ E,点m + EE s)的流通调节器(14)被引导 通过废气流中的热量(+ E,点Q + EE AG)。 用于给水流量(ms)的流通调节器(14)的输出信号被限制,其中随着排气中的热量(+ E,点Q + EE AG)的功能的选择被做出 用于启动操作的极限值(+ E,点m + EE 1)和用于正常控制操作的极限值(+ E,点m + EE 2)和从(+ E,点m + EE 1)到(+ E,点m + EE 2)经由具有空闲时间(T)的时间函数元素(16)发生。

    Combined-cycle power plant having a once-through cooler
    5.
    发明授权
    Combined-cycle power plant having a once-through cooler 有权
    具有直通式冷却器的联合循环发电厂

    公开(公告)号:US08516787B2

    公开(公告)日:2013-08-27

    申请号:US13408140

    申请日:2012-02-29

    IPC分类号: F01K23/10

    CPC分类号: F01K23/10 F22B1/18 Y02E20/16

    摘要: A method involves operating a combined-cycle power plant (10), which has a gas turbine (11) with a compressor (12) and a turbine (13), a heat recovery steam generator (17) which is connected downstream to the gas turbine (11) and is for producing steam in a water/steam cycle, and also at least one once-through cooler (21), through which flows compressed air which is compressed in the compressor (12) and intended for cooling the gas turbine (11), and, cooling down, converts feed-water (24) which is fed from the heat recovery steam generator (17) into steam, and discharges the steam to the heat recovery steam generator (17). The combined-cycle power plant is switched between a first operating mode, in which only the gas turbine cycle is used for power generation, and a second operating mode, in which the gas turbine cycle and the water/steam cycle are used for power generation.

    摘要翻译: 一种方法包括操作联合循环发电厂(10),其具有带有压缩机(12)和涡轮机(13)的燃气轮机(11),热回收蒸汽发生器(17),其连接在气体的下游 涡轮机(11),用于在水/蒸汽循环中产生蒸汽,以及至少一个直通式冷却器(21),流经压缩机(12)压缩并用于冷却燃气轮机的压缩空气 (11),并且冷却将从所述热回收蒸汽发生器(17)供给的给水(24)转换成蒸汽,并将所述蒸汽排出到所述热回收蒸汽发生器(17)。 联合循环发电厂在仅将燃气轮机循环用于发电的第一操作模式和将燃气轮机循环和水/蒸汽循环用于发电的第二操作模式之间切换 。

    Cooling air cooler for power plants
    7.
    发明授权
    Cooling air cooler for power plants 失效
    电厂冷却空气冷却器

    公开(公告)号:US5797259A

    公开(公告)日:1998-08-25

    申请号:US725230

    申请日:1996-10-03

    摘要: The cooling air cooler (10) for power plants of combined operation is designed as a helix steam generator which works on the countercurrent principle and is located in a vertically arranged cylindrical pressure vessel (23) and the spirally coiled tubes (30) of which fill the space between an inner (26) and an outer (41) jacket tube, water (12) being capable of being supplied to the tubes (30) via a conduit (32) and steam (14) being capable of being discharged from the tubes (30) via a conduit (33), the evaporating water (12) flowing through the helix from the bottom upward and the cooling air (11), capable of being supplied by the compressor (1) via an inflow conduit (24), flowing through the helix from the top downward, and the air (11) experiencing deflection before reaching an outflow conduit (25) at the lowest point in the pressure vessel (23) after flowing out of the helix. When the power plant is operating normally, the steam (14) generated in the cooling air cooler (10) is guided to the steam turbine (17) via the waste-heat boiler (15). For operating situations where the gas turbine works alone, water injection into the air (11) to be cooled or a supply of the steam (14) generated in the cooler (10) into the cooled air (13) is provided.

    摘要翻译: 用于组合操作的发电厂的冷却空气冷却器(10)被设计为螺旋蒸汽发生器,其以逆流原理工作,并且位于垂直布置的圆柱形压力容器(23)中,并且螺旋盘管(30)填充 内部(26)和外部(41)套管之间的空间,能够经由导管(32)和蒸汽(14)供应到管(30)的水(12)能够从 通过管道(33)连接管(30),蒸发水(12)从底部向上流过螺旋,冷却空气(11)能够经由流入管道(24)由压缩机(1)供应, 从顶部向下流动通过螺旋,并且空气(11)在流出螺旋之后到达压力容器(23)中的最低点处的流出管道(25)之前经历偏转。 当发电厂正常运行时,在冷却空气冷却器(10)中产生的蒸汽(14)通过废热锅炉(15)引导到蒸汽轮机(17)。 对于燃气轮机单独工作的操作情况,提供注入要冷却的空气(11)中的水或将冷却器(10)中产生的蒸汽(14)供应到冷却空气(13)中。

    Power plant with CO2 capture
    8.
    发明授权
    Power plant with CO2 capture 有权
    电厂采集二氧化碳

    公开(公告)号:US08408006B2

    公开(公告)日:2013-04-02

    申请号:US13161325

    申请日:2011-06-15

    IPC分类号: F02C3/34 F02C6/18 F01K23/10

    摘要: A method is provided for operating a combined cycle power plant including a CO2 capture system and flue gas recirculation system. The method includes controlling a flue gas recirculation rate and a re-cooling temperature of the recirculated flue gases, depending on load, to optimize the overall plant efficiency including the CO2 capture system. Also provided is a combined cycle power plant including a CO2 capture system and flue gas recirculation system. The plant being configured to carry out a method in which a flue gas recirculation rate and a re-cooling temperature of recirculated flue gases is controlled depending on load to optimize the overall plant efficiency including the CO2 capture system.

    摘要翻译: 提供了一种用于操作包括CO 2捕获系统和烟道气再循环系统的联合循环发电厂的方法。 该方法包括根据负载控制烟道气再循环速率和再循环烟道气的再冷却温度,以优化包括CO 2捕集系统在内的整个设备效率。 还提供了包括CO 2捕集系统和烟道气再循环系统的联合循环发电厂。 该设备被配置为执行一种方法,其中根据负载控制再循环烟道气的烟道气再循环速率和再冷却温度,以优化整个设备效率,包括CO 2捕获系统。

    COMBINED-CYCLE POWER PLANT
    9.
    发明申请
    COMBINED-CYCLE POWER PLANT 有权
    组合式电厂

    公开(公告)号:US20120167546A1

    公开(公告)日:2012-07-05

    申请号:US13408140

    申请日:2012-02-29

    IPC分类号: F01K23/10 F02C7/00

    CPC分类号: F01K23/10 F22B1/18 Y02E20/16

    摘要: A method involves operating a combined-cycle power plant (10), which has a gas turbine (11) with a compressor (12) and a turbine (13), a heat recovery steam generator (17) which is connected downstream to the gas turbine (11) and is for producing steam in a water/steam cycle, and also at least one once-through cooler (21), through which flows compressed air which is compressed in the compressor (12) and intended for cooling the gas turbine (11), and, cooling down, converts feed-water (24) which is fed from the heat recovery steam generator (17) into steam, and discharges the steam to the heat recovery steam generator (17). The combined-cycle power plant is switched between a first operating mode, in which only the gas turbine cycle is used for power generation, and a second operating mode, in which the gas turbine cycle and the water/steam cycle are used for power generation.

    摘要翻译: 一种方法包括操作联合循环发电厂(10),其具有带有压缩机(12)和涡轮机(13)的燃气轮机(11),热回收蒸汽发生器(17),其连接在气体的下游 涡轮机(11),用于在水/蒸汽循环中产生蒸汽,以及至少一个直通式冷却器(21),流经压缩机(12)压缩并用于冷却燃气轮机的压缩空气 (11),并且冷却将从所述热回收蒸汽发生器(17)供给的给水(24)转换成蒸汽,并将所述蒸汽排出到所述热回收蒸汽发生器(17)。 联合循环发电厂在仅将燃气轮机循环用于发电的第一操作模式和将燃气轮机循环和水/蒸汽循环用于发电的第二操作模式之间切换 。

    POWER PLANT WITH CO2 CAPTURE
    10.
    发明申请
    POWER PLANT WITH CO2 CAPTURE 有权
    电厂与二氧化碳捕获

    公开(公告)号:US20110302922A1

    公开(公告)日:2011-12-15

    申请号:US13161325

    申请日:2011-06-15

    IPC分类号: F01K13/00

    摘要: A method is provided for operating a combined cycle power plant including a CO2 capture system and flue gas recirculation system. The method includes controlling a flue gas recirculation rate and a re-cooling temperature of the recirculated flue gases, depending on load, to optimize the overall plant efficiency including the CO2 capture system. Also provided is a combined cycle power plant including a CO2 capture system and flue gas recirculation system. The plant being configured to carry out a method in which a flue gas recirculation rate and a re-cooling temperature of recirculated flue gases is controlled depending on load to optimize the overall plant efficiency including the CO2 capture system.

    摘要翻译: 提供了一种用于操作包括CO 2捕获系统和烟道气再循环系统的联合循环发电厂的方法。 该方法包括根据负载控制烟道气再循环速率和再循环烟道气的再冷却温度,以优化包括CO 2捕集系统在内的整个设备效率。 还提供了包括CO 2捕集系统和烟道气再循环系统的联合循环发电厂。 该设备被配置为执行一种方法,其中根据负载控制再循环烟道气的烟道气再循环速率和再冷却温度,以优化整个设备效率,包括CO 2捕获系统。