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| Low-temperature Circulating Water Waste Heat Recovery Heating Technology |
| LIU Yan |
| Hebei Energy Engineering Design Corporation Ltd., Shijiazhuang, 050031,China |
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Abstract Power plant cooling water heat belong to low-grade heat source， released directly to the environment under normal circumstances， thereby causing a huge waste of energy. As the technology matures and the rapid development of heat pump，a gangue power plant planed to use a lithium bromide absorption heat pump to recover the low temperature heat energy for heating. According to the actual development of local heating load,the current projects proposed maximum design heat load was 80 MW, two additional absorption heat pump connected in parallel,and the heating capacity was both 20 MW, two additional heating network heaters connected in parallel, the heat transfer connected both 20 MW. Through the comparison and analysis of the important data of before after the transformation, the heat pump heating technology had significant economic and social benefits.
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