WO2009059482A1 - Systeme de thermopompe d'energie du sol activee par l'eau de la mer et procede permettant d'obtenir l'energie du sol grace a l'eau de la mer - Google Patents

Systeme de thermopompe d'energie du sol activee par l'eau de la mer et procede permettant d'obtenir l'energie du sol grace a l'eau de la mer Download PDF

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Publication number
WO2009059482A1
WO2009059482A1 PCT/CN2007/071034 CN2007071034W WO2009059482A1 WO 2009059482 A1 WO2009059482 A1 WO 2009059482A1 CN 2007071034 W CN2007071034 W CN 2007071034W WO 2009059482 A1 WO2009059482 A1 WO 2009059482A1
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WO
WIPO (PCT)
Prior art keywords
heat
energy
seawater
pipe
well pipe
Prior art date
Application number
PCT/CN2007/071034
Other languages
English (en)
Chinese (zh)
Inventor
Shengheng Xu
Original Assignee
Shengheng Xu
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shengheng Xu filed Critical Shengheng Xu
Priority to PCT/CN2007/071034 priority Critical patent/WO2009059482A1/fr
Priority to TW096147402A priority patent/TW200925417A/zh
Publication of WO2009059482A1 publication Critical patent/WO2009059482A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/06—Heat pumps characterised by the source of low potential heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/04—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using pressure differences or thermal differences occurring in nature
    • F03G7/05—Ocean thermal energy conversion, i.e. OTEC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T10/30—Geothermal collectors using underground reservoirs for accumulating working fluids or intermediate fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/02—Heat pumps of the compression type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/10—Geothermal energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

Definitions

  • the invention relates to a technology for generating and utilizing non-combustion heat-geothermal energy, in particular to design a seawater geothermal heat collecting device, a seawater heat pump system with air conditioning function composed of a heat pump and a radiator, and a seawater energy extracting function. method. Background technique
  • CN1755294A discloses a Chinese patent of the "Jianghe Lake Sea Low-grade Energy Extraction System" of the present inventor, which discloses an energy harvesting device sequentially connected by a coupled heat exchange, a first closed heat transfer circuit, a heat pump, a second closed heat transfer circuit and a heat sink, wherein two sets of eight control valves are provided between the first and second closed heat transfer circuits, and the heat sink is subjected to high temperature heat energy from the heat pump condenser as needed, or The low temperature cold air is taken from the heat pump evaporator to form a geothermal air conditioning system.
  • the heat pump is composed of an evaporator, a compressor, a condenser and an expansion valve which are in parallel with each other, and the evaporator is coupled with the energy output coil of the first closed heat transfer circuit, and the energy of the condenser and the second closed heat transfer circuit Input coil coupling.
  • the energy collecting device comprises a heat exchanger and a circuit formed by a water pump and a heat collector disposed in the heat collecting well, and the heat collecting well is installed on the land; the heat collector comprises a siphon pipe, a drain pipe and a vacuum system.
  • the system can only extract low-temperature seawater from the heat collecting wells.
  • To extract high-temperature seawater it is necessary to adopt deep-sea water-removing methods. This requires deep seawater engineering construction, which is obviously expensive and has high operating costs.
  • the development and utilization of seawater energy technology is accomplished by the water pump and a heat collector disposed in the heat collecting well, and the heat collecting well is installed on the land; the heat collector comprises a siphon pipe, a drain pipe and a vacuum system.
  • the system can only extract low-temperature seawater from the heat collecting wells.
  • To extract high-temperature seawater it is necessary to adopt deep-sea water-removing methods. This requires deep seawater engineering construction, which is obviously expensive and has high operating costs.
  • the technical problem to be solved by the present invention is to provide a seawater heat pump system which is high in thermal efficiency, safe and reliable, low in cost, and low in operating cost.
  • Another object of the present invention is to provide a method for extracting the energy of seawater, which utilizes the high tide, the seawater flow during the ebb tide and the heat exchange of the beach, extracts the geothermal heat, and effectively ensures the normal operation of the ground energy heat pump system.
  • the seawater energy heat pump system of the present invention comprises a ground energy collecting device, a closed heat transfer circuit, a heat pump and an output device which are sequentially connected together by a coupling heat exchange method;
  • the closed heat transfer circuit is input from the first heat exchanger energy input disk
  • the tube, the first circulating pump, the B control valve, the second heat exchanger energy output coil and the A control valve are connected in series;
  • the output device is composed of the third heat exchanger energy input coil, the I control valve, the H control valve
  • the second circulating pump, the radiator and the G control valve are connected in series;
  • a C, D, E, F control valve is further arranged between the closed heat transfer circuit and the output device, wherein the ground energy collecting device comprises a building
  • the collecting well pipe in the beach where the tide occurs, the upper end of the collecting well pipe is provided with a sealed manhole cover, and the submersible pump placed therein is connected through the pipe through the manhole cover and the end of the first heat exchanger energy output coil, the energy output coil
  • the seawater energy heat pump system of the present invention has a gravel layer at the lower port of the heat collecting well pipe.
  • seawater energy heat pump system of the present invention wherein a dam is built around the upper portion of the heat collecting well pipe.
  • the method for extracting the energy of seawater according to the present invention comprises the following steps: 1) selecting the location of the building energy harvesting device in the beach zone between the average low tide line of the tide and the uppermost line that can be achieved by the wave action;
  • the heat exchange method is adopted, and the heat energy output from the energy output coil is extracted by the heat pump for the user to use.
  • the method of the present invention for extracting the energy of seawater, wherein the well pipe building in steps 1) to 3) is above the depression of the rock layer at the bottom of the sand beach.
  • the seawater energy heat pump system and the method for extracting the seawater energy of the present invention utilize the heat energy in the seawater after the seawater flows and the beach exchange heat in the high tide and the low tide, that is, the seawater temperature extracted in winter is higher than the sea temperature, and the seawater extracted in summer The temperature is lower than the sea temperature, and the design and construction of the seawater energy heat pump system is used to extract this vast natural environmental energy resource in seawater, which is used for heating and cooling, respectively, for the benefit of civilization.
  • the system has no complicated deep groundwater construction, low cost, low operating cost, high efficiency, safety and reliability.
  • FIG. 1 is a schematic view showing the structure principle of a seawater energy heat pump system according to the present invention. detailed description
  • the seawater energy heat pump system of the present invention comprises a ground energy collecting device, a closed circulating heat exchange circuit, a heat pump and an output device which are sequentially connected together by a coupling heat exchange method;
  • the closed loop heat exchange circuit includes a heat exchanger energy input coil 3, a first circulation pump 7, a B control valve 6, a second heat exchanger energy output coil 5, and an A control valve 4 are sequentially connected by a pipeline in series;
  • the heat pump 1 includes The two heat exchanger energy input coils 13 (ie, the evaporator), the compressor 14, the third heat exchanger energy output coil 16 (ie, the condenser) and the expansion valve 15 are sequentially connected in series by a pipe, and the energy input disk
  • the tube 13 and the energy output coil 5 are coupled to each other to form a second heat exchanger, and the energy output coil 16 and the energy input coil 17 are coupled to each other to form a third heat exchanger.
  • the output device comprises a third heat exchanger energy output coil 17, an I control valve 26, an H control valve 23, a second circulation pump 25, a radiator 2 and a G control valve 22 which are sequentially connected in series by a pipeline; 26 is connected between the outlet of the third heat exchanger energy output coil 17 and the H control valve 23; the second circulating pump 25 is connected between the H control valve 23 and the radiator 2; in the closed loop heat exchange circuit and output A C-control valve 18, a D-control valve 19, an E-control valve 20 and an F-control valve 2 1 for commutation are connected between the devices, the position of which is shown in Fig. 1, and CN 1755294A "the low grade of rivers and lakes" in the prior art.
  • the energy extraction system is the same.
  • the energy output coil 8 is coupled to the energy input coil 3 to form a first heat exchanger.
  • the collecting device comprises a collecting well pipe 10 built in a beach where sea tides occur, the upper port of which is located above the high tide water level, and a sealing manhole cover 24 is provided, the pipe wall blocks the seawater flowing into the pipe, and the lower port stands on the gravel layer 12 , and the upper part is constructed
  • the dam body 9 securely fixes the heat collecting well on the beach.
  • the submersible pump 1 1 placed in the heat collecting well communicates through the well cover 24 with one end of the first heat exchanger energy output coil 8 in the seawater heat pump system installed on the ground, and the other end of the energy output coil 8
  • the seawater after heat exchange returns to the sea.
  • the invention utilizes this principle to design a building seawater energy collecting device, a closed heat transfer circuit, a heat pump and an output device, and constitutes a geothermal air conditioning system utilizing seawater energy to achieve the purpose of heating or cooling, when needed By adding some auxiliary equipment, you can also provide people with hot water and drinking water for living.
  • the working principle of the collecting device of the seawater energy heat pump system of the invention the collecting well in the beach area building energy collecting device between the average low tide line of the tide tide and the uppermost line which can be reached by the wave action, that is to say the sea water in the area
  • the beach was flooded during the high tide, and the beach was exposed to the water at low tide.
  • the bottom of the well is connected to the seawater through the beach and gravel layer.
  • the water level in the well is consistent with the seawater. When the tide is high, the water level in the well rises, and the water level decreases when the tide is low. That is to say, the extracted seawater is not directly taken from the sea, but the seawater. Sea water flowing through the beach for heat exchange.
  • the seawater here is only used as a medium for heat.
  • the surface sea water temperature is high, the sea water is cooled by the beach, and the heat released from the heat pump condenser is more absorbed, so that the heat exchange efficiency is higher, thereby improving the working efficiency of the heat pump system and achieving the purpose of summer cooling.
  • the seawater returns to the sea after heat exchange through the heat exchanger.
  • the working process of the geothermal air conditioning system is as described in the invention patent of "Lianghehuhai low grade energy extraction system": In winter, A, B, G, H, I control valves 4, 6, 22, 23, 26 are opened, C, D, E, F control valves 18, 19, 20, 2 1 are closed, and the submersible pump 1 1 continuously extracts the seawater that has absorbed heat from the beach and absorbs heat, and enters the heat-increasing temperature in the heat collecting well from the bottom, The energy output coil 8 of the first heat exchanger releases heat, and the heat is transferred to the energy input coil 13 of the second heat exchanger through the closed heat cycle circuit (ie, the heat pump evaporator), and is lifted by the heat pump and then passed through the third The output coil 16 of the heat exchanger (ie the heat pump condenser) is passed to the radiator 2 for release to heat the room.
  • the closed heat cycle circuit ie, the heat pump evaporator
  • the submersible pump 1 1 extracts the cooled seawater, thus closing, B, G, H control valves 4, 6, 22, 23, open C, D, E, F, I control valves 18, 19, 20, 2 1, 26
  • the first heat exchanger energy input coil 3 indirectly absorbs the heat released by the third heat exchanger energy output coil 16 (condenser) through the third heat exchanger energy input coil 17, and exchanges it to the first heat exchanger
  • the energy output coil 8 is sent back to the sea; and the cryogenic liquid flowing in the second heat exchanger energy output coil 5 coupled to the second heat exchanger energy input coil 13 (evaporator) acts on the second circulation pump 25.
  • the lower E-control valve 20 is sent to the radiator 2 to release cold air into the room to achieve the purpose of cooling.
  • the seawater energy heat pump system and the method for extracting seawater energy of the present invention utilize natural energy which is widely present in seawater and beaches, and is inexhaustible for heating or cooling.

Abstract

L'invention concerne un système de thermopompe d'énergie du sol activée par l'eau de la mer et un procédé permettant d'obtenir cette énergie. Le système selon l'invention comprend un dispositif collecteur d'énergie du sol, un circuit de transfert de chaleur fermé, une thermopompe (1) et un dispositif de sortie, connectés en série dans cet ordre. Le dispositif collecteur d'énergie du sol comprend un tuyau de puits collecteur de chaleur (10) situé sur la plage où se produit la marée, l'extrémité supérieure du tuyau (10) étant pourvue d'un couvercle d'étanchéité de puits (24). Une pompe submersible (11) contenue dans le tuyau est reliée à une extrémité du premier tuyau hélicoïdal de sortie d'énergie d'échangeur de chaleur (8) par le passage de tuyau et le couvercle de puits, l'autre extrémité du tuyau hélicoïdal de sortie d'énergie renvoyant vers la mer l'eau ayant permis l'échange de chaleur. Le puits collecteur de chaleur et la digue sont situés sur la plage, entre la ligne de la marée descendante moyenne et l'endroit le plus éloigné atteint par les vagues.
PCT/CN2007/071034 2007-11-08 2007-11-08 Systeme de thermopompe d'energie du sol activee par l'eau de la mer et procede permettant d'obtenir l'energie du sol grace a l'eau de la mer WO2009059482A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2007/071034 WO2009059482A1 (fr) 2007-11-08 2007-11-08 Systeme de thermopompe d'energie du sol activee par l'eau de la mer et procede permettant d'obtenir l'energie du sol grace a l'eau de la mer
TW096147402A TW200925417A (en) 2007-11-08 2007-12-12 Ocean geothermal heat pump system and method for pumping sea water geoheat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2007/071034 WO2009059482A1 (fr) 2007-11-08 2007-11-08 Systeme de thermopompe d'energie du sol activee par l'eau de la mer et procede permettant d'obtenir l'energie du sol grace a l'eau de la mer

Publications (1)

Publication Number Publication Date
WO2009059482A1 true WO2009059482A1 (fr) 2009-05-14

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PCT/CN2007/071034 WO2009059482A1 (fr) 2007-11-08 2007-11-08 Systeme de thermopompe d'energie du sol activee par l'eau de la mer et procede permettant d'obtenir l'energie du sol grace a l'eau de la mer

Country Status (2)

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TW (1) TW200925417A (fr)
WO (1) WO2009059482A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104501463A (zh) * 2014-12-18 2015-04-08 河南润恒节能技术开发有限公司 水源热泵中央空调水源井内外一体焊接式同井回灌装置
CN109601469A (zh) * 2019-01-29 2019-04-12 山东中瑞新能源科技有限公司 一种海水养殖用沙滩埋管制冷供冷系统及运行方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104153946B (zh) * 2013-05-14 2017-07-14 国家电网公司 一种综合利用风能和海水热能的冷热电水多联产系统
CN108224848A (zh) * 2018-02-28 2018-06-29 徐生恒 兼用空气能和地能的热泵空调系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02125975A (ja) * 1988-11-02 1990-05-14 Nec Corp 海洋温度差発電方式
CN2438968Y (zh) * 2000-08-18 2001-07-11 徐生恒 利用江河湖海水作能源的液体冷热源装置
CN1339678A (zh) * 2000-08-18 2002-03-13 徐生恒 利用江河湖海水作能源的液体冷热源系统
US20040022584A1 (en) * 2001-03-19 2004-02-05 Sherman Martin T. Tidal irrigation and electrical system (TIES)
CN2740968Y (zh) * 2004-09-30 2005-11-16 徐生恒 江河湖海能量提取系统

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02125975A (ja) * 1988-11-02 1990-05-14 Nec Corp 海洋温度差発電方式
CN2438968Y (zh) * 2000-08-18 2001-07-11 徐生恒 利用江河湖海水作能源的液体冷热源装置
CN1339678A (zh) * 2000-08-18 2002-03-13 徐生恒 利用江河湖海水作能源的液体冷热源系统
US20040022584A1 (en) * 2001-03-19 2004-02-05 Sherman Martin T. Tidal irrigation and electrical system (TIES)
CN2740968Y (zh) * 2004-09-30 2005-11-16 徐生恒 江河湖海能量提取系统

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104501463A (zh) * 2014-12-18 2015-04-08 河南润恒节能技术开发有限公司 水源热泵中央空调水源井内外一体焊接式同井回灌装置
CN109601469A (zh) * 2019-01-29 2019-04-12 山东中瑞新能源科技有限公司 一种海水养殖用沙滩埋管制冷供冷系统及运行方法
CN109601469B (zh) * 2019-01-29 2024-02-20 山东中瑞新能源科技有限公司 一种海水养殖用沙滩埋管制冷供冷系统及运行方法

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Publication number Publication date
TW200925417A (en) 2009-06-16
TWI343450B (fr) 2011-06-11

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