论文部分内容阅读
1985年 GIFA 铸造展览会上展出的 KET型热交换器,可将冲天炉送风温度预热至900℃。这是美国设计的,第一次在欧洲使用。奥地利一家铸造厂将它配套在一座熔化率10～14t/h 的冲天炉上。这种热交换器是通过陶瓷丸循环往复完成热交交换过程(见图)。从冲天炉烟囱出来的废气经燃烧室燃烧成为高温气体,由管道通入热交换室中,然后上升。氧化铝陶瓷丸从上部加热分配盘降落,与上升的高温气体相遇发生热交换。然后废气排出。被加热的陶瓷丸通过漏孔进入热交换室下部。冷风从管道进入,上升,通过下分配盘产生热交换使丸变冷,送风被预
KET-type heat exchangers on display at the 1985 GIFA Casting Fair preheated the blast furnace blast temperature to 900 ° C. This was designed by the United States and was first used in Europe. A foundry in Austria matched it with a cupola with a melting rate of 10-14 t / h. This heat exchanger through the ceramic pellets cycle back and forth to complete the heat exchange process (see photo). Exhaust gas from the cupola chimney burns into the high-temperature gas in the combustion chamber, enters the heat exchange chamber through the pipe, and then rises. Alumina ceramic pellets fall from the upper heating distribution plate and encounter heat with rising hot gases. Then exhaust emissions. The heated ceramic pellets enter the lower part of the heat exchange chamber through the leaks. Cold air enters from the pipe, rises, heat exchanges through the lower distribution plate to chill the pellets, and the blast is pre-conditioned