CN104329762A - System for directly supplying heat for soil heat exchanger by utilizing air heat energy - Google Patents

System for directly supplying heat for soil heat exchanger by utilizing air heat energy Download PDF

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Publication number
CN104329762A
CN104329762A CN201410694049.1A CN201410694049A CN104329762A CN 104329762 A CN104329762 A CN 104329762A CN 201410694049 A CN201410694049 A CN 201410694049A CN 104329762 A CN104329762 A CN 104329762A
Authority
CN
China
Prior art keywords
heat exchanger
electronic valve
way electronic
soil
air
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201410694049.1A
Other languages
Chinese (zh)
Inventor
朱建章
邹志胜
孙兆军
黄保民
程雅丽
钟燕
李桂萍
高小明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Third Railway Survey and Design Institute Group Corp
Original Assignee
Third Railway Survey and Design Institute Group Corp
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 Third Railway Survey and Design Institute Group Corp filed Critical Third Railway Survey and Design Institute Group Corp
Priority to CN201410694049.1A priority Critical patent/CN104329762A/en
Publication of CN104329762A publication Critical patent/CN104329762A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/001Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems in which the air treatment in the central station takes place by means of a heat-pump or by means of a reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F25B29/003Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/272Solar heating or cooling
    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal

Abstract

The invention provides a system for directly supplying heat for a soil heat exchanger by utilizing air heat energy. The system comprises a water source heat pump unit and an air heat energy supplying device, wherein the water source heat pump unit comprises a compressor, a four-way valve, an indoor side heat exchanger and a water cooling heat exchanger; the air heat energy supplying device comprises an air cooling heat exchanger, an electric two-way valve, a soil heat exchanger and a circulation water pump; and the serial running of any two of the soil heat exchanger, the air cooling heat exchanger and the water cooling heat exchanger can be realized via the opening and closing combination of the electric two-way valve. According to the invention, by the switching combination of the electric two-way valve on an antifreezing water solution pipeline, different running modes are realized; the problem that a conventional ground-source heat pump system cannot be used normally caused by soil heat unbalance because of unbalanced building cooling and heating load is solved; the initial investment of a solar combined ground-source heat pump system is also lowered greatly; and a practical, energy-saving and environment-friendly heat supplying system is provided for houses in cold areas in north.

Description

A kind of air heat energy that utilizes is for the system of the direct concurrent heating of soil heat exchanger
Technical field
The present invention relates to a kind of earth-source hot-pump system, particularly relate to a kind of air heat energy that utilizes for the system of the direct concurrent heating of soil heat exchanger.
Background technology
At the heating districts of north major part without municipal thermal source, due to environmental requirement, prohibit the use middle and small burn coal boiler, some areas oil burning boiler also prohibits the use, and in northern most area, due to soil initial temperature and summer air themperature lower, building air conditioning thermic load is large more than cooling load of air-condition, even some house only has heat supply (single heating type) demand, therefore, except the mode of Boiler heating, the solar energy composite ground source heat pump system of current some areas application, also due to the problem that system investments is excessive, is also not suitable for the heating in such region.
Other environment-friendly type heating system can only be adopted for there being building in the above region of heating demand, the ultralow temperature air-cooled heat pump unit and ultralow temperature variable refrigerant volume system that can be applicable to more than-30 DEG C are being studied by current You Jijia enterprise, but during temperature, heating efficiency is very low below-15 DEG C, and accelerate along with the further descending system thermal efficiency decay of temperature, research and development difficulty is very large, does not also have molded test product to occur at present.
Summary of the invention
For above-mentioned problems of the prior art, the invention provides a kind of air heat energy that utilizes for the system of the direct concurrent heating of soil heat exchanger.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of air heat energy that utilizes is for the system of the direct concurrent heating of soil heat exchanger, comprise water source heat pump units and air heat energy heat patching device, wherein water source heat pump units comprises compressor, cross valve, indoor heat exchanger and water cooling heat exchanger, by refrigerant tubing, compressor, cross valve, indoor heat exchanger and water cooling heat exchanger is connected into closed cycle loop; Air heat energy heat patching device comprises air cooling heat exchanger, two-way electronic valve, soil heat exchanger and water circulating pump, by anti-freeze water solution pipeline, soil heat exchanger, air cooling heat exchanger and water cooling heat exchanger are connected into close loop, combined by the opening and closing of two-way electronic valve, realize both series operations arbitrarily in soil heat exchanger, air cooling heat exchanger and water cooling heat exchanger; Anti-freeze water solution pipeline arranges water circulating pump, in anti-freeze water solution pipeline, fills anti-freeze water solution.
Described anti-freeze water solution pipeline is provided with six two-way electronic valves, open the first two-way electronic valve, the 3rd two-way electronic valve and the 5th two-way electronic valve, and when closing the second two-way electronic valve, the 4th two-way electronic valve and the 6th two-way electronic valve, air cooling heat exchanger and soil heat exchanger form serial loop; Open the first two-way electronic valve, the 4th two-way electronic valve and the 6th two-way electronic valve, and when closing the second two-way electronic valve, the 3rd two-way electronic valve and the 5th two-way electronic valve, air cooling heat exchanger and water cooling heat exchanger form serial loop; Open the second two-way electronic valve, the 5th two-way electronic valve and the 6th two-way electronic valve, and when closing the first two-way electronic valve, the 3rd two-way electronic valve and the 4th two-way electronic valve, soil heat exchanger and water cooling heat exchanger form serial loop.
Advantage of the present invention and beneficial effect are:
The air heat energy that utilizes of the present invention is for the system of the direct concurrent heating of soil heat exchanger, air cooling heat exchanger, water cooling heat exchanger and soil heat exchanger are arranged in series, by the switching combining of two-way electronic valve on anti-freeze water solution pipeline, realize different operational modes, when excessive season, air themperature was higher than the soil moisture, soil heat exchanger and air cooling heat exchanger series operation, make the air heat energy of collection add in soil.When winter air temperature is higher than critical-temperature, air cooling heat exchanger and water cooling heat exchanger series operation, extract heat and heat from air.When winter air temperature is lower than critical-temperature, water cooling heat exchanger and soil heat exchanger series operation, extract heat and heat from soil.This addresses the problem source heat pump system routinely, cause Soil Thermal unbalance because Building Cooling load is unbalanced and make the problem that system cannot normally use, also significantly reduce the initial investment of solar energy composite ground source heat pump system, the house for north cold area provides the heating system of a kind of practicality and energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is that the air heat energy that utilizes of the present invention is for the structural representation of the direct concurrent heating system of soil heat exchanger.
Critical piece symbol description in figure:
1: compressor 2: cross valve
3: water cooling heat exchanger 4: electric expansion valve
5: refrigerant tubing 6: indoor heat exchanger
7: air cooling heat exchanger 8: anti-freeze water solution pipeline
9: the first two-way electronic valve 10: the second two-way electronic valves
11: the three two-way electronic valve 12: the four two-way electronic valves
13: the five two-way electronic valves 14: water circulating pump
15: the six two-way electronic valves 16: soil heat exchanger.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is further described.
Fig. 1 is that the air heat energy that utilizes of the present invention is for the structural representation of the system of the direct concurrent heating of soil heat exchanger.As shown in Figure 1, the air heat energy that utilizes of the present invention, for the system of the direct concurrent heating of soil heat exchanger, comprises water source heat pump units and air heat energy heat patching device.Water source heat pump units comprises compressor 1, cross valve 2, indoor heat exchanger 6 and water cooling heat exchanger 3, by refrigerant tubing 5, compressor 1, cross valve 2, indoor heat exchanger 6 and water cooling heat exchanger 3 is connected into closed cycle loop.Refrigerant tubing 5 is provided with electric expansion valve 4.Air heat energy heat patching device comprises air cooling heat exchanger 7, two-way electronic valve, soil heat exchanger 16 and water circulating pump 14, by anti-freeze water solution pipeline 8, soil heat exchanger 16, air cooling heat exchanger 7 and water cooling heat exchanger 3 is connected into close loop.
Anti-freeze water solution pipeline 8 is provided with multiple two-way electronic valve, comprises the first two-way electronic valve 9, second two-way electronic valve 10, the 3rd two-way electronic valve 11, the 4th two-way electronic valve 12, the 5th two-way electronic valve 13, the 6th two-way electronic valve 15.Open the first two-way electronic valve 9, the 3rd two-way electronic valve 11 and the 5th two-way electronic valve 13, and when closing the second two-way electronic valve 10, the 4th two-way electronic valve 12 and the 6th two-way electronic valve 16, air cooling heat exchanger 7 and soil heat exchanger 16 form serial loop.Open the first two-way electronic valve 9, the 4th two-way electronic valve 12 and the 6th two-way electronic valve 15, and when closing the second two-way electronic valve 10, the 3rd two-way electronic valve 11 and the 5th two-way electronic valve 14, air cooling heat exchanger 7 and water cooling heat exchanger 3 form serial loop.Open the second two-way electronic valve 10, the 5th two-way electronic valve 13 and the 6th two-way electronic valve 15, and when closing the first two-way electronic valve 9, the 3rd two-way electronic valve 11 and the 4th two-way electronic valve 12, soil heat exchanger 16 and water cooling heat exchanger 3 form serial loop.
Anti-freeze water solution pipeline 8 is provided with water circulating pump 14, filling anti-freeze water solution in anti-freeze water solution pipeline 8.
Of the present invention utilize air heat energy for the operation principle of the system of the direct concurrent heating of soil heat exchanger as follows:
Air cooling heat exchanger, water cooling heat exchanger and soil heat exchanger are arranged in series, by the switching combining of two-way electronic valve on anti-freeze water solution pipeline, realize different operational modes, when excessive season, air themperature was higher than the soil moisture, soil heat exchanger and air cooling heat exchanger series operation, make the air heat energy of collection add in soil.When winter air temperature is higher than critical-temperature, air cooling heat exchanger and water cooling heat exchanger series operation, water source heat pump units is extracted heat and is heated from air.When winter air temperature is lower than critical-temperature, water cooling heat exchanger and soil heat exchanger series operation, water source heat pump units is extracted heat and is heated from soil.
Existing source heat pump system routinely also cannot be used for the building of the far super accumulative refrigeration duty of accumulative thermic load, and use solar energy system investments can be made excessive as the supplemental heat source of earth source heat pump completely, and native system is by the combined running of air cooling heat exchanger, water cooling heat exchanger and soil heat exchanger, part heating load is born by air cooling heat exchanger, another part heating load is born by soil heat exchanger, air heat energy, when excessive season, air themperature was higher than the soil moisture, replenishes in soil by air cooling heat exchanger.The air heat energy that utilizes of the present invention is for the system of the direct concurrent heating of soil heat exchanger, solve source heat pump system routinely, cause Soil Thermal unbalance because Building Cooling load is unbalanced and make the problem that system cannot normally use, also significantly reduce the initial investment of solar energy composite ground source heat pump system, the house for north cold area provides the heating system of a kind of practicality and energy-conserving and environment-protective.
The just the specific embodiment of the present invention described in above description, this illustrates and is not construed as limiting flesh and blood of the present invention, therefore every corresponding modify of being likely utilized and equivalent, all belong to the scope of the claims that the present invention applies for.

Claims (2)

1. one kind utilizes air heat energy for the system of the direct concurrent heating of soil heat exchanger, it is characterized in that: this system comprises water source heat pump units and air heat energy heat patching device, water source heat pump units comprises compressor (1), cross valve (2), indoor heat exchanger (6) and water cooling heat exchanger (3), by refrigerant tubing (5), compressor, cross valve, indoor heat exchanger and water cooling heat exchanger is connected into closed cycle loop; Air heat energy heat patching device comprises air cooling heat exchanger (7), two-way electronic valve, soil heat exchanger (16) and water circulating pump (14), by anti-freeze water solution pipeline (8), soil heat exchanger (16), air cooling heat exchanger (7) and water cooling heat exchanger (3) are connected into close loop, combined by the opening and closing of two-way electronic valve, realize both series operations arbitrarily in soil heat exchanger (16), air cooling heat exchanger (7) and water cooling heat exchanger (3); Anti-freeze water solution pipeline (8) is arranged water circulating pump (14), anti-freeze water solution pipeline fills anti-freeze water solution in (8).
2. the air heat energy that utilizes according to claim 1 is for the system of the direct concurrent heating of soil heat exchanger, it is characterized in that: described anti-freeze water solution pipeline (8) is provided with six two-way electronic valves, open the first two-way electronic valve (9), the 3rd two-way electronic valve (11) and the 5th two-way electronic valve (13), and close the second two-way electronic valve (10), the 4th two-way electronic valve (12) and the 6th two-way electronic valve (15) time, air cooling heat exchanger (7) and soil heat exchanger (16) form serial loop; Open the first two-way electronic valve (9), the 4th two-way electronic valve (12) and the 6th two-way electronic valve (15), and close the second two-way electronic valve (10), the 3rd two-way electronic valve (11) and the 5th two-way electronic valve (13) time, air cooling heat exchanger (7) and water cooling heat exchanger (3) form serial loop; Open the second two-way electronic valve (10), the 5th two-way electronic valve (13) and the 6th two-way electronic valve (15), and close the first two-way electronic valve (9), the 3rd two-way electronic valve (11) and the 4th two-way electronic valve (12) time, soil heat exchanger (16) and water cooling heat exchanger (3) form serial loop.
CN201410694049.1A 2014-11-27 2014-11-27 System for directly supplying heat for soil heat exchanger by utilizing air heat energy Pending CN104329762A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104748441A (en) * 2015-04-07 2015-07-01 青岛理工大学 Metro waste heat recovery system applying thin shell heat exchanger
CN105605714A (en) * 2016-03-17 2016-05-25 亿代科技(江苏)有限公司 Solar air conditioning system
CN107781934A (en) * 2017-11-08 2018-03-09 天津美意机电设备工程有限公司 Earth source heat pump operation management system and implementation method
CN110986394A (en) * 2019-12-20 2020-04-10 中国中建设计集团有限公司 Municipal sewage heat energy transfer utilization system and method
CN114739050A (en) * 2022-04-25 2022-07-12 珠海格力电器股份有限公司 Soil heat supplementing assembly based on ground source heat system, ground source heat system and control method

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104748441A (en) * 2015-04-07 2015-07-01 青岛理工大学 Metro waste heat recovery system applying thin shell heat exchanger
CN105605714A (en) * 2016-03-17 2016-05-25 亿代科技(江苏)有限公司 Solar air conditioning system
CN107781934A (en) * 2017-11-08 2018-03-09 天津美意机电设备工程有限公司 Earth source heat pump operation management system and implementation method
CN110986394A (en) * 2019-12-20 2020-04-10 中国中建设计集团有限公司 Municipal sewage heat energy transfer utilization system and method
CN114739050A (en) * 2022-04-25 2022-07-12 珠海格力电器股份有限公司 Soil heat supplementing assembly based on ground source heat system, ground source heat system and control method

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