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湖南省桃江县第一钢铁厂的职工在厂党委的领导和支持下修建了一座价廉(全部建炉费用3649元)且长寿的管式热风炉。此炉自1957年7月初至1958年9月末共连续工作了15个月的时间,除靠近燃烧室的一排管子拆除外,其余的管子仍在正常工作。其经验介绍如下:1.铸铁管用1#铸造铁铸成,是木炭冶炼的优质生铁。2.炉壁内衬用白泥砖砌成,白泥砖的成份为当地出产的白泥和石英砂,配料比为1∶1。有时石英砂可到60%,木模成型后将其置于无阳光处,使之阴干,至水份蒸发50%以上,
Workers in the First Steel Plant in Taojiang County, Hunan Province, constructed a long-lived tubular hot blast stove at an affordable cost (total building cost of 3649 yuan) under the leadership and support of the factory party committee. The furnace had been in continuous operation for 15 months from the beginning of July 1957 to the end of September 1958 except for the removal of a row of tubes near the combustion chamber. The remaining tubes were still working properly. The experience is introduced as follows: 1 cast iron cast iron cast 1 #, is a high-quality pig iron smelting charcoal. 2. Furnace lining lined with white mud brick, white mud brick ingredients for the local production of white mud and quartz sand, ingredients ratio of 1: 1. Sometimes quartz sand can be 60%, wood molding will be placed in the sun-free, so that dry, to the water evaporation of more than 50%