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对聚酯装置中热媒循环泵的选型进行探讨分析,发现在4个位号采用普通离心泵代替热媒屏蔽泵,能够满足装置安全运行需要,降低产品能耗,每年可节电约39万kW·h,且节省设备投资和设备维修费用。
Based on the analysis of the selection of heat medium circulating pump in the polyester plant, it was found that replacing the heat medium shielded pump with the ordinary centrifugal pump at the 4-digit position can meet the requirement of safe operation of the plant and reduce the energy consumption of the product, saving about 39 Million kW · h, and save equipment investment and equipment maintenance costs.