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分析了可拆式螺旋板换热器平盖的载荷，导出了锥壳加强平盖的工程设计公式，并用国外引进的同类换热器进行了验算，说明本文公式简便实用，符合工程实际情况。
The load of the flat cover of the removable spiral plate heat exchanger was analyzed and the engineering design formula of the reinforced flat cover of the conical shell was deduced. The heat exchanger of the same kind imported from abroad was checked, which shows that the formula in this paper is simple and practical and accords with the actual engineering conditions.