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定量分析电厂水环式真空泵密封水温度对凝汽器压力的影响,并利用等效焓降法得到凝汽器压力与单元机组效率的关系,从而得到真空泵密封水温度和单元机组经济性的定量关系。实例计算表明,可通过降低真空泵密封水的温度提高机组效率,为机组的进一步节能提供了理论依据。
The influence of the sealing water temperature of the water ring vacuum pump on the condenser pressure was quantitatively analyzed and the relationship between the condenser pressure and the unit efficiency was obtained by the equivalent enthalpy reduction method to get the quantitative value of the sealing water temperature and unit economy of the vacuum pump relationship. The example calculation shows that the efficiency of the unit can be improved by lowering the temperature of the sealed water in the vacuum pump, which provides a theoretical basis for further energy saving of the unit.