CN203518337U - Efficient buried pipe heat exchange system of ground source heat pump central air conditioner - Google Patents

Efficient buried pipe heat exchange system of ground source heat pump central air conditioner Download PDF

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Publication number
CN203518337U
CN203518337U CN201320704491.9U CN201320704491U CN203518337U CN 203518337 U CN203518337 U CN 203518337U CN 201320704491 U CN201320704491 U CN 201320704491U CN 203518337 U CN203518337 U CN 203518337U
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CN
China
Prior art keywords
valve
ground
central air
buried pipe
water pump
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Expired - Fee Related
Application number
CN201320704491.9U
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Chinese (zh)
Inventor
苗为佳
张文
袁晓利
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SHANDONG JIAYUAN AIR CONDITIONER EQUIPMENT Co Ltd
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SHANDONG JIAYUAN AIR CONDITIONER EQUIPMENT Co Ltd
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Priority to CN201320704491.9U priority Critical patent/CN203518337U/en
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Publication of CN203518337U publication Critical patent/CN203518337U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/10Geothermal energy

Abstract

The utility model discloses an efficient buried pipe heat exchange system of a ground source heat pump central air conditioner, and belongs to the field of central air conditioner equipment. The efficient buried pipe heat exchange system comprises a cold-hot water unit, a buried pipe heat exchanger, multiple water pumps, multiple valves and a central air conditioner. The efficient buried pipe heat exchange system is characterized by further comprising an auxiliary cooling device and an auxiliary heat collection device, wherein the cold-hot water unit comprises a compressor, a condenser, a throttle valve and an evaporator. Compared with the prior art, the efficient buried pipe heat exchange system organically combines a ground source heat pump technology with a soil heat storage technology, balances winter and summer load, and reduces occupied area of a buried pipe and initial mounting cost.

Description

The efficient buried pipe heat exchange system of ground-source heat pump central air-conditioning
Technical field
The utility model relates to a kind of central air-conditioning, particularly the efficient buried pipe heat exchange system of a kind of ground-source heat pump central air-conditioning.
Background technology
Earth source heat pump (GSHP:Ground Source Heat Pump) has comprised use soil, underground water and the surface water system as thermal source and low-temperature receiver, be a kind of operational system of mechanical vapour compression refrigeration circulation, this system enters heat surface layer or absorbs heat from surface layer.Earth source heat pump mainly contains vertically pipe laying soil earth-source hot-pump system, flatly pipe laying soil earth-source hot-pump system, underground water earth-source hot-pump system, surface water source heat pump system.
Compare with traditional air-conditioning system, the underground heat that earth-source hot-pump system is used, as low-temperature receiver and the thermal source of air-conditioning, has been saved the consumption to non-renewable energy resources, also has greater advantage aspect energy consumption cost and maintenance cost simultaneously.But there is following defect in GSHP in actual use: 1. the load unbalanced ground temperature that causes changes the summer in winter; 2. the floor space of buried tube heat exchanger is larger; The complexity of 3. mating between system and auxiliary thermal source or cooling tower has strengthened design and operation difficulty; 4. initial cost is larger.
Wherein, the load unbalanced extensively existence among reality of summer in winter, often the heat/cold of underground storage is often not enough to mate the hot/cold load of central air-conditioning, causes heat supply/refrigeration not enough.And utilize solar energy, industrial waste heat, waste heat and the long-term or short-term storage of cold at a low price, be to solve load unbalanced good approach can significantly reduce regional C0 thus 2, NOx, SOx and CFC discharge capacity and balance electrical network peak load, play the effect of peak load cutting.
Utility model content
Technical assignment of the present utility model is for above the deficiencies in the prior art, provides a kind of and can solve the efficient buried pipe heat exchange system of load unbalanced ground-source heat pump central air-conditioning.
The technical scheme in the invention for solving the technical problem is: the efficient buried pipe heat exchange system of a kind of ground-source heat pump central air-conditioning, comprise hot and cold water unit, ground heat exchanger 9, a plurality of water pump, a plurality of valve and central air-conditioning 10, it is characterized in that: also comprise radiator cooler 7, auxiliary heat collector 8; Described hot and cold water unit comprises compressor 1, condenser 2, choke valve 3, evaporimeter 4, and its annexation is: compressor 1, condenser 2, choke valve 3, evaporimeter 4 orders are connected to form series loop; Evaporimeter 4, water pump 6, valve 16, radiator cooler 7, valve 15 are connected to form series loop; Ground heat exchanger 9, valve 25, valve 20, condenser 2, valve 19, water pump 5, valve 21, valve 24, valve 26 orders are connected to form series loop; Between water pump 6 and valve 16, there is a branch road to be connected to the pipeline between valve 12 and valve 24 by valve 13; Between ground heat exchanger 9 and valve 25, there is a branch road to be connected the pipeline between evaporimeter 4 and water pump 6 by valve 17; Between ground heat exchanger 9 and valve 26, there is a branch road to be connected the pipeline between valve 15 and evaporimeter 4 by valve 18; Between evaporimeter 4 and valve 18, there is a branch road to be connected with the pipeline between water pump 5 and valve 11 by valve 14; Between valve 25 and valve 20, there is a branch road to be connected with the pipeline between valve 19 and water pump 5 entrances by valve 23; Water pump 5 outlets, valve 11, central air-conditioning 10, valve 12, valve 24, valve 26 orders are connected; Water pump 5 outlets, valve 21, valve 27, auxiliary heat collector 8, valve 28, valve 26, ground heat exchanger 9 orders are connected; Ground heat exchanger 9, valve 26, valve 22, valve 25, ground heat exchanger 9 are connected to form series loop.
Above-mentioned radiator cooler is closed cooling tower.
Above-mentioned supplementary set hot charging is set to solar panels, or remaining heat trap.
Above-mentioned valve is magnetic valve, and electromagnetic valve circuit connects automaton.
Above-mentioned automaton is TPC4-4TD type timing routine controller.
Compared with prior art, the utlity model has following outstanding beneficial effect:
1, the problem that source heat pump technology exists in promoting in combination and the advantage of underground energy-accumulation technology, ground source heat pump technology and soil thermal storage technology are organically combined, make full use of soil and store energy greatly and the advantage of ground coupled heat pump system, energy storage equipment is transferred in the ground heat exchanger system of earth-source hot-pump system, ground heat exchanger and energy storage equipment are united two into one, respectively get the chief, complementary it is short;
2, reduced heat pump supplementary energy, balance electrical network peak load, plays the effect of peak load cutting, is the very effective approach of loading in the summer in balance winter, improves the service life of system;
3, utilize radiator cooler, auxiliary heat collector, when guaranteeing cold/fuel factor, reduce the size and capacity of buried tube heat exchanger, reduce the floor space of pipe laying;
4, ground heat exchanger double cold-storage device of doing when summer operation, the double regenerative apparatus of doing while moving in the winter time, unites two into one accumulation of energy (cold/heat) device with buried tube heat exchanger, system is simplified, and has reduced and has just dressed up this.
Accompanying drawing explanation
Fig. 1 is that structure of the present utility model forms schematic diagram.
The specific embodiment
Below in conjunction with specification drawings and specific embodiments, the utility model is further illustrated.
As shown in Figure 1, the utility model comprises that hot and cold water unit, ground heat exchanger 9, radiator cooler 7, auxiliary heat collector 8, a plurality of water pump, a plurality of valve and central air-conditioning 10 form, and realize accumulation of energy, cooling and the heat supply function of integrated system by the switching of outside water loops.
Described hot and cold water unit comprises compressor 1, condenser 2, choke valve 3, evaporimeter 4, its annexation as shown in Figure 1: compressor 1, condenser 2, choke valve 3, evaporimeter 4 orders are connected to form series loop; Evaporimeter 4, water pump 6, valve 16, radiator cooler 7, valve 15 are connected to form series loop; Ground heat exchanger 9, valve 25, valve 20, condenser 2, valve 19, water pump 5, valve 21, valve 24, valve 26 orders are connected to form series loop; Between water pump 6 and valve 16, there is a branch road to be connected to the pipeline between valve 12 and valve 24 by valve 13; Between ground heat exchanger 9 and valve 25, there is a branch road to be connected the pipeline between evaporimeter 4 and water pump 6 by valve 17; Between ground heat exchanger 9 and valve 26, there is a branch road to be connected the pipeline between valve 15 and evaporimeter 4 by valve 18; Between evaporimeter 4 and valve 18, there is a branch road to be connected with the pipeline between water pump 5 and valve 11 by valve 14; Between valve 25 and valve 20, there is a branch road to be connected with the pipeline between valve 19 and water pump 5 entrances by valve 23; Water pump 5 outlets, valve 11, central air-conditioning 10, valve 12, valve 24, valve 26 orders are connected; Water pump 5 outlets, valve 21, valve 27, auxiliary heat collector 8, valve 28, valve 26, ground heat exchanger 9 orders are connected; Ground heat exchanger 9, valve 26, valve 22, valve 25, ground heat exchanger 9 are connected to form series loop.
Wherein said radiator cooler is closed cooling tower, and described supplementary set hot charging is set to solar panels, or remaining heat trap.
Described valve is magnetic valve, and electromagnetic valve circuit connects automaton.Automaton described in the present embodiment is TPC4-4TD timing routine controller.
Its operating process is: when summer, moved daytime, owing to now belonging to electric power peak period, unit is suitable, and to keep away peak out of service, now opens water pump 5, valve 11, valve 12, valve 23, valve 24, valve 25, valve 26, and all the other valves are all closed, now working media circulates with pipe laying soil around and carries out heat exchange in ground heat exchanger 9-valve 25-valve 23-water pump 5-valve 11-valve 12-valve 24-valve 26-ground heat exchanger 9, and the cold storing in soil is extracted to 10 uses of supply central air-conditioning, and when summer, moved night, utilize night electrical network valley power to prepare cold, valve-off 2, valve 12, valve 13, valve 14, valve 17, valve 18, valve 22, valve 23, valve 27, valve 28, other valves and water pump are opened, radiator cooler enters heat extraction circulation, it is evaporimeter 4-valve 15-radiator cooler 7-valve 16-water pump 6-evaporimeter 4, the charge cycle of ground heat exchanger 9 is condenser 2-valve 19-water pump 5-valve 21-valve 24-valve 26-ground heat exchanger 9-valve 25-valve 20 – condensers 2, by radiator cooler 7 and ground heat exchanger 9 cold-storages, cold is partly or entirely stored in underground.
And during winter operation, open water pump 5, water pump 6, valve 11, valve 12, valve 21, valve 23, valve 24, valve 25, valve 26, valve 27, valve 28, remaining valve is all closed.Working media by auxiliary heat collector 8-valve 28-valve 26-ground heat exchanger 9-valve 25-valve 23-water pump 5-valve 21-valve 27-auxiliary heat collector 8 flows, to assist the collected solar energy of heat collector or industrial exhaust heat, used heat is partly or entirely stored in underground by ground heat exchanger 9, then via ground heat exchanger 9-valve 25-valve 23-water pump 5-valve 11-central air-conditioning 10-valve 12-valve 24-valve 26 – ground heat exchanger 9 processes, the heat extraction storing in soil is out heated.
It should be noted that; particular of the present utility model have been described in detail the utility model; for a person skilled in the art, the various apparent change of in the situation that not deviating from spirit and scope of the present utility model, it being carried out is all within protection domain of the present utility model.

Claims (5)

1. the efficient buried pipe heat exchange system of ground-source heat pump central air-conditioning, comprise hot and cold water unit, ground heat exchanger (9), a plurality of water pump, a plurality of valve and central air-conditioning (10), it is characterized in that: also comprise radiator cooler (7), auxiliary heat collector (8); Described hot and cold water unit comprises compressor (1), condenser (2), choke valve (3), evaporimeter (4), and its annexation is: compressor (1), condenser (2), choke valve (3), evaporimeter (4) order are connected to form series loop; Evaporimeter (4), water pump (6), valve (16), radiator cooler (7), valve (15) are connected to form series loop; Ground heat exchanger (9), valve (25), valve (20), condenser (2), valve (19), water pump (5), valve (21), valve (24), valve (26) order are connected to form series loop; Between water pump (6) and valve (16), there is a branch road to be connected to the pipeline between valve (12) and valve (24) by valve (13); Between ground heat exchanger (9) and valve (25), there is a branch road to be connected the pipeline between evaporimeter (4) and water pump (6) by valve (17); Between ground heat exchanger (9) and valve (26), there is a branch road to be connected the pipeline between valve (15) and evaporimeter (4) by valve (18); Between evaporimeter (4) and valve (18), there is a branch road to be connected with the pipeline between water pump (5) and valve (11) by valve (14); Between valve (25) and valve (20), there is a branch road to be connected with the pipeline between valve (19) and water pump (5) entrance by valve (23); Water pump (5) outlet, valve (11), central air-conditioning (10), valve (12), valve (24), valve (26) order are connected; Water pump (5) outlet, valve (21), valve (27), auxiliary heat collector (8), valve (28), valve (26), ground heat exchanger (9) order are connected; Ground heat exchanger (9), valve (26), valve (22), valve (25), ground heat exchanger (9) are connected to form series loop.
2. the efficient buried pipe heat exchange system of ground-source heat pump central air-conditioning according to claim 1, is characterized in that: described radiator cooler (7) is closed cooling tower.
3. the efficient buried pipe heat exchange system of ground-source heat pump central air-conditioning according to claim 1, is characterized in that: described auxiliary heat collector (8) is solar panels, or remaining heat trap.
4. the efficient buried pipe heat exchange system of ground-source heat pump central air-conditioning according to claim 1, is characterized in that: described valve is magnetic valve, and electromagnetic valve circuit connects automaton.
5. the efficient buried pipe heat exchange system of ground-source heat pump central air-conditioning according to claim 4, is characterized in that: described automaton is TPC4-4TD timing routine controller.
CN201320704491.9U 2013-11-08 2013-11-08 Efficient buried pipe heat exchange system of ground source heat pump central air conditioner Expired - Fee Related CN203518337U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103925726A (en) * 2014-04-29 2014-07-16 挪信能源技术(上海)有限公司 Embedded type high-temperature heat pump unit
CN104833121A (en) * 2015-05-13 2015-08-12 中核通辽铀业有限责任公司 Method for utilizing geothermal energy of solution in in-situ-leaching uranium mining process
CN106322813A (en) * 2016-11-15 2017-01-11 北京中科华誉热泵设备制造有限公司 Energy-saving compound heat pump system
CN106352571A (en) * 2016-08-30 2017-01-25 湖南中大经纬地热开发科技有限公司 Geothermal utilization system based on complex rock-soil layer

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103925726A (en) * 2014-04-29 2014-07-16 挪信能源技术(上海)有限公司 Embedded type high-temperature heat pump unit
CN103925726B (en) * 2014-04-29 2015-12-16 挪信能源技术(上海)有限公司 A kind of buried tubular type high temperature heat pump unit
CN104833121A (en) * 2015-05-13 2015-08-12 中核通辽铀业有限责任公司 Method for utilizing geothermal energy of solution in in-situ-leaching uranium mining process
CN106352571A (en) * 2016-08-30 2017-01-25 湖南中大经纬地热开发科技有限公司 Geothermal utilization system based on complex rock-soil layer
CN106352571B (en) * 2016-08-30 2018-08-24 湖南中大经纬地热开发科技有限公司 Terrestrial heat utilization system based on complicated ground stratum
CN106322813A (en) * 2016-11-15 2017-01-11 北京中科华誉热泵设备制造有限公司 Energy-saving compound heat pump system
CN106322813B (en) * 2016-11-15 2022-05-27 北京中科华誉热泵设备制造有限公司 Energy-saving combined type heat pump system

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140402

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CF01 Termination of patent right due to non-payment of annual fee