HEAT-AND-COLD FEED SYSTEM HEAT PUMPING PLANT Russian patent published in 2009 - IPC F24D11/02 F28D1/00 

FIELD: engines and pumps, heating.

SUBSTANCE: heat-and-cold feed system heat pumping plant (HCPP) comprises heat pumping equipment, heat accumulation system, system to collect low-potential heat power of the Earth soil surface layers and system to recover secondary heat sources representing ventilation heat emissions. Note here that the heat pump evaporators are connected, along the heat carrier motion, in the hydraulic circuit of the said low-potential heat collection system directly ahead of the soil heat exchangers. The system to recover secondary heat sources representing ventilation heat emissions is connected in the hydraulic circuit of the said low-potential heat collection system behind the said soil heat exchangers and ahead of the heat pump evaporators. Note here that the hydraulic circuit of the said low-potential heat collection system incorporates cold feed or conditioning system connected in parallel therein, while the system to recover secondary heat sources can be use a cooling tower to equalise the system heat balance. Note also that HCPP can perform cold feed from both heat pumps and cold accumulated in soil. Mind that the heat accumulation system comprises two temperature stages of accumulation, i.e. low-temperature one fed from heat pumps and high-temperatures one fed from power sources.

EFFECT: higher efficiency.

3 dwg