CAJ | 학술논문

对某厂300MW机组循环水的低温余热通过吸收式热泵进行回收,不同的循环水温度对热泵的设计方案有着很大的影响.该设计中循环水进出热泵温差为7℃,热泵进口处循环水温度为31~35℃,采暖抽汽压力约为0.3MPa,驱动蒸汽用汽量为270t/h,热网水经热泵加热后温度从43℃升至74℃,热泵余热回收量为131MW,热泵总的制热量约为318MW.
대모엄300MW궤조순배수적저온여열통과흡수식열빙진행회수,불동적순배수온도대열빙적설계방안유착흔대적영향.해설계중순배수진출열빙온차위7℃,열빙진구처순배수온도위31~35℃,채난추기압력약위0.3MPa,구동증기용기량위270t/h,열망수경열빙가열후온도종43℃승지74℃,열빙여열회수량위131MW,열빙총적제열량약위318MW.
Low temperature waste heat of 300MW unit circulating water in a plant was recycled through the ab-sorption heatpump,circulating water of different temperature has great influence on the design scheme of heat pump.In this design, the temperature difference of heat pump import for the circulating wateris 7℃,the heatpump circulating water inlet temperature is 31~35℃,heating extraction steam pressure is about 0.3MPa,steam consump-tion for the steam driving is 270t/h,The temperature of hot topwater after heating by heat pump increases from 43℃ to 74℃,heat recovery capacity of the heat pumpis 131tMo,the whole heating capacity of the heat pump is about 318MW.