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HEAT PUMP-REINFORCED SALINITY-GRADIENT POWER GENERATION DEVICE USING THE VAPOR-PRESSURE DIFFERENCE ENERGY METHOD UNDER POSITIVE TEMPERATURE DIFFERENCE
HEAT PUMP-REINFORCED SALINITY-GRADIENT POWER GENERATION DEVICE USING THE VAPOR-PRESSURE DIFFERENCE ENERGY METHOD UNDER POSITIVE TEMPERATURE DIFFERENCE
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机译：在正温度差下采用蒸气压差能量法的热泵强化盐度发电装置
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摘要
Disclosed is a heat pump-reinforced salt-concentration-differential power generation device using a vapour differential pressure energy method under a positive temperature difference. The power generation device comprises a heat pump heating and circulating device and a salt-concentration-differential power generation device using the vapour differential pressure energy method. The heat pump heating and circulating device comprises a condenser (7), a heat pump pipeline (9), a throttle valve (10), an evaporator (12) and a compressor (22). The salt-concentration-differential power generation device using the vapour differential pressure energy method comprises a low-pressure container (11), a high-pressure container (8), an expander (23), a differential pressure gauge (24) and an expander pipeline (11). By the heat pump heating and circulating, heat is absorbed from a concentrated solution so as to lower the temperature of the concentrated solution, the heat is released to a dilute solution so as to increase the temperature of the dilute solution, so that the inverse temperature difference generated by heat absorption through evaporation of water from the dilute solution and heat release through condensation of vapour in the concentrated solution is effectively offset. The positive temperature difference is maintained and enlarged, a positive saturated vapour differential pressure is in turn maintained and enlarged, thereby facilitating the expander (23) to do work. The energy utilization efficiency is high, the loss is small, the cost is cheap, the applicability is good, and the machining is simple and convenient.
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