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    • 5. 发明专利
    • Air-conditioning method of gas turbine power plant in desert
    • 气体涡轮发电厂在沙漠中的空调方法
    • JPS59128922A
    • 1984-07-25
    • JP216183
    • 1983-01-12
    • Hitachi Ltd
    • HOSHINA SHIYOUICHIIMAI TETSUHORI MICHIOMATSUSHIMA HIKOJI
    • F02C7/18F02C6/00
    • PURPOSE: To aim at improvements in an operation environment, by blowing off cold air in a direction toward a smokestack from air outlets at both side walls of a building, through plural air outlets, while inhaling hot air back ventilation from a suction port neaby the floor surface.
      CONSTITUTION: An air conditioner 3 is installed outdoors, then cooling air is led into an air outlet 8 by way of a feed duct 4 and released inside a room. The air warmed up inside the room is taken into the air conditioner 3 and turns to feed air again after being mixed with the outside air. According to this method, air conditioning for a workspace of about 1W2m on the floor of a gas turbine room can be performed, and in combination with a natural draft effect in and around a smokestack, such exhaust 11 as in a fairly higher temperature than that of the outside air taken in is discharged out of a roof fan 6, thereby conducing to a reduction in air cooling load.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:为了改善操作环境,通过从建筑物两侧壁的出风口向烟囱方向吹出冷空气,通过多个空气出口,同时从吸入口吸入热空气回流通 地板表面。 构成:将空气调节器3安装在室外,然后将冷却空气通过供给管道4引导到出风口8,并在室内释放。 将室内暖气的空气送入空调机3中,并与外部空气混合后再转动进给空气。 根据该方法,可以在燃气轮机室的地板上进行大约1-2m的工作空间的空调,并且结合在烟囱内和其周围的自然牵伸效应,这样的排气11在相当高的温度 被吸入的外部空气被排出屋顶风扇6,从而导致空气冷却负荷的降低。
    • 6. 发明专利
    • Water washing system for turbine and main axial-flow compressor of gas turbine
    • 涡轮风力发电系统及气动涡轮压缩机主轴流动压缩机
    • JPS5960036A
    • 1984-04-05
    • JP16852782
    • 1982-09-29
    • Hitachi Eng Co LtdHitachi Ltd
    • HORI MICHIOUSE SHINJI
    • F02C7/30F01D25/00
    • F01D25/002F04D29/5846F04D29/705
    • PURPOSE:To enable to use cooling water discharged at the time of periodic inspection as washing water, by connecting a water washing system for a compressor and a turbine and a cooling water system for the turbine with each other. CONSTITUTION:A washing water supply pipe 14 and a return pipe 15 are connected to the opposite sides of a pump 12 of a cooling water system consisting of a cooling-water tank 11, a pump 12 and a lubricating oil cooler 13. When washing water is not necessary, water is used as cooling water by closing valves 4, 16 and opening valves 17, 18. At the time of water washing, on the other hand, water is used as washing water by closing the valves 17, 18 and opening the valves 4, 16.
    • 目的:使用定期检查时排出的冷却水作为洗涤水,通过连接压缩机和涡轮机的水洗系统和涡轮机的冷却水系统。 构成:洗涤水供给管14和返回管15连接到由冷却水箱11,泵12和润滑油冷却器13组成的冷却水系统的泵12的相对侧。当清洗水 不需要通过关闭阀门4,16和打开阀17,18而将水用作冷却水。另外,在水洗时,通过关闭阀门17,18和打开水来将水用作洗涤水 阀门4,16。
    • 8. 发明专利
    • Self-cleaning type air intake method of gas turbine
    • 自清洁型空气吸入式方法
    • JPS6158927A
    • 1986-03-26
    • JP18054484
    • 1984-08-31
    • Hitachi Eng Co LtdHitachi Ltd
    • USE SHINJIHORI MICHIO
    • F02C7/052F02C7/143
    • F02C7/143F02C7/052
    • PURPOSE:To suitably cool bled and compressed air which purify an air intake port filter by cooling the compressed bleed air by air which flows into a compressor. CONSTITUTION:Compressed air 23 which is bled from the main axial flow compressor 9 of a gas turbine is let through a fin tube piping 21 having a cooling function and then carried into a inlet duct 8 via a pressure regulating valve 22. When a solenoid valve 15 is opened, bled and compressed air 23 which has been cooled by inflow air 7 inside the inlet duct 8 flows into a filter element 20. The air will then be purified. By such operation, the bled and compressed air can be cooled suitably.
    • 目的:适当地冷却通过冷却流入压缩机的空气压缩的排放空气来净化进气口过滤器的排气和压缩空气。 构成:从燃气轮机的主轴流压缩机9排出的压缩空气23通过具有冷却功能的翅片管配管21,然后经由压力调节阀22被输送到入口管道8中。当电磁阀 15被打开,流出并且已经通过入口管8内的流入空气7冷却的压缩空气23流入过滤器元件20中。然后将空气净化。 通过这种操作,可以适当地冷却流出和压缩的空气。
    • 9. 发明专利
    • Heat-insulating structure for outside of exhaust duct of gas turbine
    • 燃气轮机排气外绝热结构
    • JPS58211533A
    • 1983-12-09
    • JP9498082
    • 1982-06-04
    • Hitachi Eng Co LtdHitachi Ltd
    • USE SHINJIHORI MICHIO
    • F01D25/08F02C7/00
    • F02C7/00
    • PURPOSE:To improve a heat-insulating effect by compact constitution by forming an air layer, which can be ventilated, between the inner plate and sheath plate of the exhaust duct of the gas turbine and each forming an air suction hole to the bottom of the sheath plate and an air exhaust hole to the upper section of the side surface of the sheath plate. CONSTITUTION:A heat-insulating material 18 is set up outside the inner plate 19 of the exhaust duct of the gas turbine, the sheath plates 16 of the exhaust duct are mounted outside the heat-insulating material 18 at regular intervals, and the air layer, which can be ventilated, is formed between both 18 and 16. The air suction holes 22 are formed to the bottoms of the sheath plates 16, and the air exhaust holes are formed to the upper sections of the side surfaces of the sheath plates 16. Accordingly, the temperatures of the heat-insulating material 18 and the sheath plates 16 of the exhaust duct rise, and air is flowed as shown in the arrow 17 from the arrow 20 by a natural convection when air in the air layer expands, and the heat-insulating material 18 is cooled. Heat transmission to the sheath plates 16 from the heat-insulating material 18 is inhibited, and a temperature rise of the sheath plate 16 is reduced.
    • 目的:通过在燃气轮机的排气管的内板和护套板之间形成通风的空气层,通过紧凑的构造来提高绝热效果,并且在空气吸入孔的底部形成空气吸入孔 护套板和排气孔连接到护板的侧面的上部。 构成:将隔热材料18设置在燃气轮机的排气管的内板19的外侧,排气管的护板16以规定间隔安装在绝热材料18的外侧,空气层 可以通气,形成在18和16之间。空气吸入孔22形成在护板16的底部,并且排气孔形成在护套板16的侧表面的上部 因此,当空气层中的空气膨胀时,排气管道的绝热材料18和护板16的温度升高,并且如箭头17所示的空气由箭头20所示的自然对流流动, 绝热材料18被冷却。 从隔热材料18向护套板16的热传递被抑制,并且护板16的温度上升降低。
    • 10. 发明专利
    • WATER INJECTION LINE
    • JPS56148627A
    • 1981-11-18
    • JP5044780
    • 1980-04-18
    • HITACHI LTD
    • HORI MICHIO
    • F02C3/30
    • PURPOSE:To increase the output power of a gas turbine and raise its efficiency, by cooling at air the inlet side to a compressor with injecting cool water in a water injection line to a gas turbine combustor. CONSTITUTION:Water stored in a water storage tank 1 passes through a feed water piping 2 and strainer 3 to reach a pump 4, and is increased its pressure to pass through a water control valve 5 and reach an evaporative cooler 6 provided in an inlet housing 7. Here the water performs heat exchanging operation with air sucked from both sides of the inlet housing 7, then the suction air is cooled by the water. The water, which has completed the heat exchanging operation with the air, is collected to a collector in a lower part of the evaporative cooler 6 then boosted to required pressure by a water injection pump 9 to pass through a filter 11 and 14, flowmeter 12, shut-off valve 13, flow control valve 15, feed stop valve 16 and the like, thus reach a nozzle 19 finally injected into a combustor 20.