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我厂有两座冲天爐,一座3.5吨,一座5吨。冲天爐的数据見附表,两座爐子都配有外热式热风爐,进爐时的热风温度和250℃左右。两座冲天爐隔日輪换开爐。为了适应劳动組織、鑄件和熔化速度,必須将5吨爐内径改小成为3.5吨爐,因此該爐的爐衬較厚。
I plant has two cupola, a 3.5 tons, a 5 tons. Cupola data see schedule, two stoves are equipped with an external hot stove, hot air temperature into the furnace and about 250 ℃. Two cupola furnace next day to open the furnace. In order to adapt to the labor organization, casting and melting speed, the 5-tonne furnace must be reduced to a 3.5-tonne furnace so the furnace lining is thick.