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    • 8. 发明专利
    • Waste heat recovery apparatus protected from corrosion by sox
    • 由SOX腐蚀保护的废热回收装置
    • JPS5741589A
    • 1982-03-08
    • JP11510980
    • 1980-08-20
    • Snow Brand Milk Prod Co LtdSuzuki Kinzoku Kogyo Kk
    • NAKAMOTO TAKASHINAKAYAMA HITOYOTANEDA KOUZOUHONDA ICHIROUTAKASU SHIGETOSHI
    • F28F19/00F28D15/00F28D15/02
    • PURPOSE: To maintain the temperature of waste gas at a given value and prevent the condensation of SO
      x by controlling the number of effective heat pipes whose heat radiating section is positioned in a feed water heating section according to the temperature of waste gas.
      CONSTITUTION: A waste heat recovery apparatus 1 set inside a combustion waste gas duct consists of a heat receiving section 11 in which heat is received and released through a large number of heat pipes 14 and a feed water heating section 12 in which three water compartments 12aW12c are formed by two partition walls 13. And, water supply pipes 6aW6c are each connected to the water compartments 12aW12c through a circulation pump P
      1 and a flow regulating valve V
      1 , and also overflow pipes 7aW7c are connected to the upper parts of the water compartments. And, automatic water feed valves 6Va and 6Vb inside the water supply pipes 6a and 6b and automatic water discharge valves 8Va and 8Vb inside discharge pipes 8a and 8b are controlled according to the temperature of waste gas in order to maintain the temperature of the waste gas at more than the dew point of SO
      x . Thus, the corrosion of apparatus by condensation of SO
      x can be prevented.
      COPYRIGHT: (C)1982,JPO&Japio
    • 目的:为了将废气温度保持在一定值,通过根据废气的温度控制散热段位于给水加热段中的有效热管的数量,防止SOx冷凝。 构成:设置在燃烧废气管道内的废热回收装置1由热接收部11构成,热接收部11通过大量热管14和给水加热部12接收和释放热量,在该热供给部11中,三个水隔室12a -12c由两个分隔壁13形成。并且,供水管6a-6c分别通过循环泵P1和流量调节阀V1连接到水隔间12a-12c,并且溢流管7a-7c连接到 水隔间的上部。 并且,根据废气的温度来控制排水管8a,8b内的供水管6a,6b内的自动给水阀6Va,6Vb以及废气的温度 超过了SOx的露点。 因此,可以防止SOx的冷凝对装置的腐蚀。