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    • 5. 发明授权
    • Regenerative heating apparatus
    • 再生加热装置
    • US4676744A
    • 1987-06-30
    • US770282
    • 1985-08-28
    • George WrayTrevor WardJames H. Goodfellow
    • George WrayTrevor WardJames H. Goodfellow
    • F23D11/24F23C3/00F23C7/02F23D14/22F23M5/02F27D17/00
    • F23D14/22F23C3/00F23C7/02F23M5/025Y02E20/348
    • The regenerative heating apparatus (FIG. 1) comprises a pair of regenerators 51a and 51b arranged so that in use while one is being heated by waste gas, the other is preheating air for the combustion of fuel. A reversing valve 58 is connected to each lower end 91a and 91b of the regenerators 51a and 51b, the valve 58 connecting the regenerators 51a and 51b to an inlet 99 for receiving air and an outlet 100 for discharge of the waste gas. The reversing valve 58 is reversible to connect one regenerator to the inlet and the other regenerator to the outlet. Each regenerator incorporates at its upper end a burner (B1 and B2) with as shown in FIG. 2 a body having a passage 2 formed with openings 3 and 4. The opening 4 serves to receive air for combustion when its regenerator is preheating air or to discharge waste gas to the regenerator while the opening 3 serves to supply combusted fuel and air to the furnace 90 or to receive waste gas from the furnace 90. Each burner has an assembly 5 for injecting fuel and air into the passage 2 and the fuel and air first mix in a nozzle 31 with the fuel being ignited by an electrode 47. The fuel is combusted in a precombustion chamber 32 before entering the main combustion chamber 16. The fuel is partially or fully precombusted irrespective of the mode in which the burner is operating to avoid prepurging with or re-ignition between regenerator operating cycles.
    • 再生加热装置(图1)包括一对再生器51a和51b,其被布置为使得在使用中被废气加热时,另一个是用于燃料燃烧的预热空气。 再生阀58连接到再生器51a和51b的每个下端91a和91b,将再生器51a和51b连接到用于接收空气的入口99的阀58和用于排放废气的出口100。 换向阀58是可逆的,以将一个再生器连接到入口,另一个再生器连接到出口。 每个再生器在其上端并入有如图1所示的燃烧器(B1和B2)。 2具有形成有开口3和4的通道2的主体。开口4用于在其再生器预热空气或者将废气排放到再生器时接收用于燃烧的空气,同时开口3用于将燃烧的燃料和空气供应到 炉90或用于接收来自炉90的废气。每个燃烧器具有用于将燃料和空气喷射到通道2中的组件5,并且燃料和空气首先在喷嘴31中混合,燃料被电极47点燃。燃料 在进入主燃烧室16之前在预燃室32中燃烧。燃料部分或完全预燃,而与燃烧器操作的模式无关,以避免在再生器操作循环之间进行再次点火。