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    • 5. 发明公开
    • DRAIN RECOVERY DEVICE
    • ABFLUSSRÜCKGEWINNUNGSVORRICHTUNG
    • EP3147564A1
    • 2017-03-29
    • EP15789690.3
    • 2015-04-17
    • TLV Co., Ltd.
    • YANO, TakujiHIDA, Yasuhira
    • F22D11/00F22D11/06
    • F22D5/30F01K13/02F22D1/28F22D11/00F22D11/06
    • In a drain recovery section including a recovery tank to which drain generated in a steam-using device is collected and from which the drain is supplied to a boiler, pressure decrease in the boiler under a high load can be suppressed. A drain recovery section 10 includes: a recovery tank 21 in which drain generated by condensation of steam in a steam-using device 4 is stored and from which water stored in the recovery tank 21 is supplied to a boiler 2; and a control unit 40 that controls an amount of water supply from the recovery tank 21 to the boiler 2 to prevent the water level of water in the recovery tank 21 from decreasing below a predetermined tank reference water level. When the load of the boiler 2 increases to a predetermined load, the control unit 40 reduces the tank reference water level by a predetermined amount.
    • 在排水回收部分,其包括回收罐,收集在蒸汽使用装置中产生的排水并将排水供给到锅炉的回收罐,能够抑制高负荷下的锅炉的压力下降。 排水回收部分10包括:回收罐21,其中存储通过蒸汽使用装置4中的蒸汽冷凝产生的排水,并将储存在回收罐21中的水供应到锅炉2; 以及控制单元40,其控制从回收罐21到锅炉2的供水量,以防止回收罐21中的水的水位降低到低于预定的罐参考水位。 当锅炉2的负荷增加到预定的负荷时,控制单元40将罐参考水位降低预定量。
    • 10. 发明公开
    • FEED WATER AND DRAINAGE SYSTEM FOR MEDIUM PRESSURE HEATER IN POWER PLANT
    • 瑞士食品公司FÜREINEN MITTELDRUCKHEIZER EINES KRAFTWERKS
    • EP2520855A1
    • 2012-11-07
    • EP10840402.1
    • 2010-07-20
    • China Power Engineering Consulting Group Corporation East China Electric Power Institute
    • SHEN, SonglinCHEN, RenjieSHI, GangyeYE, YongjianLIN, Lei
    • F22D11/00
    • F22D1/003F22D1/28F22D11/02
    • A feedwater and draining system for medium-pressure heaters used in a power plant comprises a feedwater piping (100) and a boiler feedwater pump unit (200) provided on the feedwater piping (100).The boiler feedwater pump unit (200) includes a low-pressure boiler feedwater pump (203) and a high-pressure boiler feedwater pump (204) provided along the upstream and the downstream of the feedwater piping (100). A medium-pressure feedwater heater unit (300) comprising one or more feedwater heaters is provided between the low-pressure boiler feedwater pump (203) and the high-pressure boiler feedwater pump (204).A generator set and a power plant equipment comprising the feedwater and draining system for the medium-pressure heater are provided. The feedwater and draining system for the medium-pressure heater is low in cost, high in efficiency of thermodynamic system and more environment-friendly.
    • 一种用于发电厂的中压加热器的给水和排水系统,包括给水管道(100)和设在给水管道(100)上的锅炉给水泵单元(200)。锅炉给水泵单元(200)包括一个 低压锅炉给水泵(203)和沿着给水管道(100)的上游和下游设置的高压锅炉给水泵(204)。 在低压锅炉给水泵(203)和高压锅炉给水泵(204)之间设置有包括一个或多个给水加热器的中压给水加热器单元(300)。一种发电机组和一个发电厂设备,包括 提供了中压加热器的给水和排水系统。 中压加热器的给水排水系统成本低,热力系统效率高,环保性更强。