Sea water ground energy heat pump system and method for extracting sea water ground energy
A heat pump system, seawater ground technology, applied in the field of non-combustion heat-geothermal energy generation and utilization, can solve the problems of high cost, limited development and utilization of seawater geothermal energy technology, and high operating cost, and achieves low cost, high efficiency, The effect of low operating costs
Active Publication Date: 2009-06-03
EVER SOURCE SCI & TECH DEV GRP CO LTD
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Problems solved by technology
This system can only extract low-temperature seawater from heat-collecting wells, and deep-sea water intake must be used to extract higher-temperature seawater. This requires the construction of deep-sea underwater projects, which are obviously expensive and high in operating costs, thus limiting The development and utilization of seawater ground energy technology
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[0020] It can be seen from Fig. 1 that the seawater ground energy heat pump system of the present invention includes a ground energy collection device, a closed heat transfer loop, a heat pump and an output device connected in series; The pipe 3, the first circulating pump 7, the B control valve 6, the second heat exchanger energy output coil 5, and the A control valve 4 are sequentially connected in series with pipelines; the heat pump 1 includes the second heat exchanger energy input plate The pipe 13 (i.e. the evaporator), the compressor 14, the third heat exchanger energy output coil 16 (i.e. the condenser) and the expansion valve 15 are sequentially connected in series with pipelines, and the energy input coil 13 and the energy output coil 5 are coupled with each other to form the second heat exchanger, while the energy output coil 16 and the energy input coil 17 are coupled with each other to form the third heat exchanger. The output device consists of the third heat exc...
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The invention relates to a seawater geothermal energy heat pump system and the method thereof for extracting seawater geothermal energy. The system comprises a geothermal energy collecting device, a closed type thermal transmission loop, a heat pump and an output device which are connected in series in the mode of the coupled heat transfer; wherein, the geothermal energy collecting device comprises a heat-collecting well pipe built in the sand beach where the ocean tide happens and a sealing well lid is arranged at the upper end of the heat-collecting well pipe; a submersible pump arranged in the heat-collecting well pipe is extended out from the well lid so as to be communicated with one end of an energy output coil of a first heat exchanger while the other end of the energy output coil drives the seawater after being put into the heat exchange to flow back to the sea. The method is that the heat-collecting wells and the dams are built in the sand beach zone between the average low tide line of the ocean tide and the utmost upper boundary line that the wave effects can reach. The invention is characterized in that the natural environment-friendly geothermal energy in the seawater is extracted so as to be respectively used for the heating and refrigeration, thus creating the benefits for the human beings. The system has no complicated deep-level underground hydraulic construction, has low cost, low running cost and high efficiency and is safe and reliable.
Description
technical field [0001] The invention relates to a generation and utilization technology of non-combustion heat-geothermal energy, specifically, a seawater geothermal energy collection device designed, a seawater geothermal energy heat pump system with air conditioning function composed of heat pumps, radiators, etc., and a device for extracting seawater geothermal energy method. Background technique [0002] Utilizing seawater, a natural geothermal energy, to serve human beings is a topic with huge economic benefits. On April 5, 2004, CN1755294A disclosed the inventor's Chinese patent of "low-grade energy extraction system for rivers, lakes and seas". For the heat pump, the second closed heat transfer circuit and the cooling device, there are 2 sets of 8 control valves between the first and second closed heat transfer circuits, so that the cooling device can obtain high-temperature heat energy from the heat pump condenser as required, or Obtain low-temperature cold air fro...
Claims
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IPC IPC(8): F25B30/06F24J3/06F24V50/00
CPCF24V50/00
Inventor 徐生恒
Owner EVER SOURCE SCI & TECH DEV GRP CO LTD