美国麦克葵·派弗斯公司所属柏林铸造厂在冲天炉加装热交换器的送风系统后,在节约燃料和焦炭方面获得显著效果。该厂生产球墨铸铁件和灰铸铁件,产品包括液压阀的阀体、风冷式发动机的气缸、气缸盖及气缸体等。厂内设有电炉多台及一台用焦炭作燃料的5号水冷冲天炉,生产能力为日产铸铁100吨。 The U.S. foundry in Berlin, owned by Michaepersparf, has achieved significant results in fuel savings and coke after the heat exchangers have been installed in the cupola. The plant produces ductile iron castings and gray iron castings, including hydraulic valve body, air-cooled engine cylinder, cylinder head and cylinder block. The factory has multiple electric furnace and a coke for fuel No. 5 water-cooled cupola, production capacity of 100 tons of Nissan cast iron.