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一、引言宁波舜龙电业有限公司原有二台青岛汽轮机厂生产的C6-3.43/0.49和一台南京汽轮机厂生产的C12-3.43/0.49汽轮机。厂用汽最高压力为0.49Mpa(A)。2001年因热用户供热压力提高的要求,将三台机组抽汽压力由原来的0.49Mpa(A)改造提高到0.98Mpa(A)。改造后实际运行抽汽压力为1.0Mpa(A)左右。因厂用汽均由机组工业抽汽供给,因此机组改
I. INTRODUCTION Ningbo Shunlong Electric Co., Ltd. originally had C6-3.43 / 0.49 produced by Qingdao Turbine Factory and C12-3.43 / 0.49 turbine produced by Nanjing Turbine Factory. The maximum pressure of the plant steam 0.49Mpa (A). In 2001 due to heat users to increase the pressure on heating requirements, the extraction unit steam pressure from 0.49Mpa (A) improved to 0.98Mpa (A). After the transformation of the actual operation extraction pressure of 1.0Mpa (A) or so. Due to the factory steam supply by the industrial extraction unit, so the unit changed