CN102042715A - Ground source heat pump unit - Google Patents

Ground source heat pump unit Download PDF

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Publication number
CN102042715A
CN102042715A CN 201110008842 CN201110008842A CN102042715A CN 102042715 A CN102042715 A CN 102042715A CN 201110008842 CN201110008842 CN 201110008842 CN 201110008842 A CN201110008842 A CN 201110008842A CN 102042715 A CN102042715 A CN 102042715A
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CN
China
Prior art keywords
arm
pipeline
conditioning system
pipe
air
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Pending
Application number
CN 201110008842
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Chinese (zh)
Inventor
李�浩
张燕立
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Tianjin Mammoth Electromechanical Equipment Engineering Co., Ltd.
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TIANJIN MAMMOTH ELECTROMECHANICAL EQUIPMENT ENGINEERING Co Ltd
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Priority to CN 201110008842 priority Critical patent/CN102042715A/en
Publication of CN102042715A publication Critical patent/CN102042715A/en
Pending legal-status Critical Current

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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
    • 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
    • Y02B10/40Geothermal heat-pumps
    • 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

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  • Other Air-Conditioning Systems (AREA)

Abstract

The invention discloses a ground source heat pump unit, which comprises a refrigeration or refrigeration circulation device, a first pipeline, a second pipeline, a third pipeline, a fourth pipeline, a first branch pipe, a second branch pipe, a third branch pipe, a fourth branch pipe, a fifth branch pipe, a sixth branch pipe, a seventh branch pipe, an eighth branch pipe, an air conditioning system water supply pipe, an air conditioning system water return pipe, an underground system water supply pipe, an underground system water discharge pipe, an air conditioning system water pump, an underground system circulating water pump and eight steering valves. Sixteen series-wound steering valves are arranged in pairs on the first to eight branch pipes respectively. In the ground source heat pump unit provided by the invention, the sixteen series-wound steering valves are arranged in pairs on the eight branch pipes connected among a condenser, an evaporator, an air conditioning system and an underground system respectively so as to effectively reduce pressure differences on the two sides of each valve, and a sealing effect achieved by two valves is undoubtedly better than that achieved by only one valve so as to avoid the phenomenon of water leakage on the edge of a valve plate. In addition, due to the reduction of water leakage, water is not required to be continuously supplied to the air conditioning system and a good energy-saving effect is achieved. Moreover, when a certain valve on any branch pipe is broken, a maintainer can maintain the valve without influencing the normal running state of the system, so the ground source heat pump unit is convenient and practical.

Description

The earth source heat pump unit
Technical field
The present invention relates to a kind of earth source heat pump unit, particularly relate to a kind of earth source heat pump unit that can prevent valve leak effectively.
Background technology
The essence of ground source heat pump technology utilizes trepan to hole at the earth exactly, in the hole, bury underground then by the PE plastics make and specialty on be called the U type pipe of ground heat exchanger, in ground heat exchanger, inject heat transferring medium afterwards, heat transferring medium is generally water, absorb heat or cold by the heat exchange between this heat transferring medium and the earth from the earth, heat transferring medium offers refrigerant in the earth source heat pump unit with this heat or the cold mode by heat exchange then, the earth source heat pump unit will offer the air-conditioner that is installed in the interior space through the refrigerant that heats up after the heat exchange or lower the temperature again afterwards, this refrigerant will carry out heat exchange with the air of the interior space in air-conditioner, thereby the interior space is remained under the suitable temperature.Being earth-source hot-pump system is made up of the earth source heat pump unit that links to each other by pipeline each other, many groups ground heat exchanger of constituting many air-conditioners of air-conditioning system and constituting buried system, wherein the earth source heat pump unit is installed in the machine room, many air-conditioners are arranged on and need to organize ground heat exchanger more and then be embedded in the earth soil in the interior different interior spaces of thermoregulator building.
Fig. 1 is a kind of earth source heat pump set structure schematic diagram of prior art.As shown in Figure 1, the earth source heat pump unit of this prior art comprises refrigeration or heats EGR, first to fourth pipeline 4-7, first to the 8th arm 14-21, air-conditioning system feed pipe 8, air-conditioning system return pipe 9, buried system and comes water pipe 10, buried system outlet pipe 11, air-conditioning system water circulating pump 12, buried systemic circulation water pump 13 and eight Steering valve A-H; Described refrigeration or heat EGR and be connected with each other by the refrigerant pipe by compressor 1, condenser 2, not shown expansion valve and evaporimeter 3 and constitute; Wherein evaporimeter 3 links to each other with an end of first, second pipeline 4,5; One end of condenser 2 and the 3rd, the 4th pipeline 6,7 joins; The other end of first pipeline 4 is continuous with an end of first, second arm 14,15 simultaneously; The other end of second pipeline 5 is continuous with an end of the 3rd, the 4th arm 16,17 simultaneously; The other end of the 3rd pipeline 6 is continuous with an end of the 5th, the 6th arm 18,19 simultaneously; The other end of the 4th pipeline 7 is continuous with an end of the 7th, the 8th arm 20,21 simultaneously; The first, the other end of the 7th arm 14,20 links to each other with air-conditioning system return pipe 9 simultaneously; The second, the other end of the 8th arm 15,21 comes water pipe 10 to link to each other with buried system simultaneously; Three, the 5th arm 16,18 links to each other with air-conditioning system feed pipe 8 simultaneously; And 17,19 of the 4th, the 6th arms and buried system outlet pipe 11 join; Be separately installed with a Steering valve A-H on each arm 14-21; Air-conditioning system water circulating pump 12 is installed on the air-conditioning system return pipe 9; Buried systemic circulation water pump 13 then is arranged on buried system and comes on the water pipe 10.
During summer cooling, from 12 ℃ of backwater of air-conditioning system under the effect of air-conditioning system water circulating pump 12 successively through air-conditioning system return pipe 9, first arm 14, Steering valve A and first pipeline, 4 inflow evaporators 3, Steering valve E on second arm 15 closes at this moment, this water will carry out heat exchange with the refrigerant that flows in the evaporimeter 3, thereby water temperature is reduced to 7 ℃, then successively through second pipeline 5, the 3rd arm 16, Steering valve B and air-conditioning system feed pipe 8 flow back to air-conditioning system, Steering valve F on the 4th arm 17 closes at this moment, thereby realizes the refrigeration to the interior space.Meanwhile, from buried system and under the effect of buried systemic circulation water pump 13, come water pipe 10 through buried system to the buried system cold water of the earth heat radiation successively, the 8th arm 21, Steering valve H and the 4th pipeline 7 flow into condenser 2, Steering valve D on the 7th arm 20 closes at this moment, this water will carry out heat exchange with the refrigerant that flows in the condenser 2, thereby water temperature is raise, then successively through the 3rd pipeline 6, the 6th arm 19, Steering valve G and buried system outlet pipe 11 flow back to buried system, Steering valve C on the 5th arm 18 closes at this moment, circulates so repeatedly.And refrigeration or the operation principle that heats EGR are by same prior art.
During Winter heat supply, from 40 ℃ of backwater of air-conditioning system under the effect of air-conditioning system water circulating pump 12 successively through air-conditioning system return pipe 9, the 7th arm 20, Steering valve D and the 4th pipeline 7 flow into condenser 2, this water will carry out heat exchange with the refrigerant that flows in the condenser 2, thereby water temperature is increased to 45 ℃, Steering valve H on the 8th arm 21 closes at this moment, then successively through the 3rd pipeline 6, the 5th arm 18, Steering valve C and air-conditioning system feed pipe 8 flow back to air-conditioning system, Steering valve G on the 6th arm 19 closes at this moment, thereby realizes heating the interior space.Meanwhile, from buried system and under the effect of buried systemic circulation water pump 13, come water pipe 10 through buried system to the buried system hot water of the earth heat absorption successively, second arm 15, Steering valve E and first pipeline, 4 inflow evaporators 3, Steering valve A on first arm 14 closes at this moment, this water will carry out heat exchange and heat release with the refrigerant that flows in the evaporimeter 3, thereby water temperature is reduced, then successively through second pipeline 5, the 4th arm 17, Steering valve F and buried system outlet pipe 11 flow back to buried system, Steering valve B on the 3rd arm 16 closes at this moment, circulates so repeatedly.And refrigeration or the operation principle that heats EGR are by same prior art.
But, there is following point in the earth source heat pump unit of this prior art: as mentioned above, air-conditioning system is arranged in the building, buried system then is embedded in the earth soil, be that being provided with of air-conditioning system and buried system is highly different, therefore the water pressure in two systems is different, and building the high pressure difference is big more more.Because Steering valve A-H adopts Hand-operated butterfly valve usually, and the both sides of valve plate are respectively air-conditioning system water and buried system water on the butterfly valve, there is bigger pressure differential in the both sides that are valve plate, therefore through heat supply several times, after the cooling conversion, drainage will appear in the edge of valve plate, the result causes the air-conditioning system water constantly to flow in the buried system water by the valve plate edge, cause buried system water excessive, air-conditioning system is lack of water then, at this moment can only lean on to air-conditioning system ceaselessly moisturizing solve, can cause water thus, the waste of electricity is when serious even also can influence the normal operation of system.In addition, when damaging appears in a certain Steering valve, can only stop the operation of whole system, will cause very big influence to system so undoubtedly.
Summary of the invention
In order to address the above problem, the earth source heat pump unit that the object of the present invention is to provide a kind of good energy-conserving effect and be convenient to keep in repair.
In order to achieve the above object, earth source heat pump unit provided by the invention comprises refrigeration or heats EGR, first to fourth pipeline, first to the 8th arm, air-conditioning system feed pipe, air-conditioning system return pipe, buried system and comes water pipe, buried system outlet pipe, air-conditioning system water circulating pump, buried systemic circulation water pump and eight Steering valves; Described refrigeration or heat EGR and be connected with each other by the refrigerant pipe by compressor, condenser, expansion valve and evaporimeter and constitute; Wherein evaporimeter links to each other with an end of first, second pipeline; One end of condenser and the 3rd, the 4th pipeline joins; The other end of first pipeline links to each other with an end of first, second arm simultaneously; The other end of second pipeline links to each other with an end of the 3rd, the 4th arm simultaneously; The other end of the 3rd pipeline links to each other with an end of the 5th, the 6th arm simultaneously; The other end of the 4th pipeline links to each other with an end of the 7th, the 8th arm simultaneously; The first, the other end of the 7th arm links to each other with the air-conditioning system return pipe simultaneously; The second, the other end of the 8th arm comes water pipe to link to each other with buried system simultaneously; Three, the 5th arm links to each other with the air-conditioning system feed pipe simultaneously; Four, the 6th arm then joins with buried system outlet pipe; Be separately installed with a Steering valve on each arm; The air-conditioning system water circulating pump is installed on the air-conditioning system return pipe; Buried systemic circulation water pump then is arranged on buried system and comes on the water pipe; Also be separately installed with another Steering valve on described first to the 8th arm.
Described another Steering valve is identical with existing Steering valve structure.
Earth source heat pump unit provided by the invention is two Steering valves that are installed in series on eight arms that are connected between condenser, evaporimeter and air-conditioning system and the buried system, not only can reduce the pressure differential of each valve both sides effectively like this, and the sealing effectiveness of two valves is better than the sealing effectiveness of a valve certainly, so the edge of valve plate just drainage can not occur on the valve.In addition, owing to can reduce drainage, therefore need not to ceaselessly moisturizing of air-conditioning system, so good energy-conserving effect.In addition, when damaging appearred in a certain valve on arbitrary arm, the maintenance personal can keep in repair this valve under the state that does not influence the normal operation of system, therefore very convenient practicality.
Description of drawings
Fig. 1 is a kind of earth source heat pump set structure schematic diagram of prior art.
Fig. 2 is an earth source heat pump set structure schematic diagram provided by the invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments earth source heat pump unit provided by the invention is elaborated.The parts identical with prior art adopt identical drawing reference numeral, and omit its explanation of carrying out.
As shown in Figure 2, earth source heat pump unit provided by the invention comprises refrigeration or heats EGR, first to fourth pipeline 4-7, first to the 8th arm 14-21, air-conditioning system feed pipe 8, air-conditioning system return pipe 9, buried system and comes water pipe 10, buried system outlet pipe 11, air-conditioning system water circulating pump 12, buried systemic circulation water pump 13 and eight Steering valve A-H; Described refrigeration or heat EGR and be connected with each other by the refrigerant pipe by compressor 1, condenser 2, not shown expansion valve and evaporimeter 3 and constitute; Wherein evaporimeter 3 links to each other with an end of first, second pipeline 4,5; One end of condenser 2 and the 3rd, the 4th pipeline 6,7 joins; The other end of first pipeline 4 is continuous with an end of first, second arm 14,15 simultaneously; The other end of second pipeline 5 is continuous with an end of the 3rd, the 4th arm 16,17 simultaneously; The other end of the 3rd pipeline 6 is continuous with an end of the 5th, the 6th arm 18,19 simultaneously; The other end of the 4th pipeline 7 is continuous with an end of the 7th, the 8th arm 20,21 simultaneously; The first, the other end of the 7th arm 14,20 links to each other with air-conditioning system return pipe 9 simultaneously; The second, the other end of the 8th arm 15,21 comes water pipe 10 to link to each other with buried system simultaneously; Three, the 5th arm 16,18 links to each other with air-conditioning system feed pipe 8 simultaneously; And 17,19 of the 4th, the 6th arms and buried system outlet pipe 11 join; Be separately installed with a Steering valve A-H on each arm 14-21; Air-conditioning system water circulating pump 12 is installed on the air-conditioning system return pipe 9; Buried systemic circulation water pump 13 then is arranged on buried system and comes on the water pipe 10; Also be separately installed with another Steering valve A '-H ' on described first to the 8th arm 14-21.
Described another Steering valve A '-H ' is identical with existing Steering valve A-H structure.
Therefore the same prior art of earth source heat pump working principle of said set provided by the invention repeats no more here, and two Steering valves that are not both on a certain arm are opened simultaneously or closed when operation.

Claims (2)

1. earth source heat pump unit, it comprises refrigeration or heats EGR, first to fourth pipeline (4-7), first to the 8th arm (14-21), air-conditioning system feed pipe (8), air-conditioning system return pipe (9), buried system and comes water pipe (10), buried system outlet pipe (11), air-conditioning system water circulating pump (12), buried systemic circulation water pump (13) and eight Steering valves (A-H); Described refrigeration or heat EGR and be connected with each other by the refrigerant pipe by compressor (1), condenser (2), expansion valve and evaporimeter (3) and constitute; Wherein evaporimeter (3) links to each other with an end of first, second pipeline (4,5); Condenser (2) joins with an end of the 3rd, the 4th pipeline (6,7); The other end of first pipeline (4) is continuous with an end of first, second arm (14,15) simultaneously; The other end of second pipeline (5) is continuous with an end of the 3rd, the 4th arm (16,17) simultaneously; The other end of the 3rd pipeline (6) is continuous with an end of the 5th, the 6th arm (18,19) simultaneously; The other end of the 4th pipeline (7) is continuous with an end of the 7th, the 8th arm (20,21) simultaneously; The first, the other end of the 7th arm (14,20) links to each other with air-conditioning system return pipe (9) simultaneously; The second, the other end of the 8th arm (15,21) comes water pipe (10) to link to each other with buried system simultaneously; Three, the 5th arm (16,18) links to each other with air-conditioning system feed pipe (8) simultaneously; And the 4th, the 6th arm (17,19) then joins with buried system outlet pipe (11); Be separately installed with a Steering valve (A-H) on each arm (14-21); Air-conditioning system water circulating pump (12) is installed on the air-conditioning system return pipe (9); Buried systemic circulation water pump (13) then is arranged on buried system and comes on the water pipe (10); It is characterized in that: also be separately installed with another Steering valve (A '-H ') on described first to the 8th arm (14-21).
2. earth source heat pump unit according to claim 1 is characterized in that: described another Steering valve (A '-H ') identical with existing Steering valve (A-H) structure.
CN 201110008842 2011-01-17 2011-01-17 Ground source heat pump unit Pending CN102042715A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261770A (en) * 2011-07-14 2011-11-30 天津美意机电设备工程有限公司 Ground source heat pump set
CN102829585A (en) * 2012-09-19 2012-12-19 天津美意机电设备工程有限公司 Ground source heat pump unit capable of preventing valve leakage
CN103216921A (en) * 2013-03-08 2013-07-24 天津美意空调设备销售有限公司 Control device for ground source heat pump unit
CN104236179A (en) * 2014-09-25 2014-12-24 昆山特佳高美绿能科技有限公司 Hydraulic exchange energy-saving device of ground source heat pump air conditioning unit
CN104329837A (en) * 2014-09-28 2015-02-04 青岛大学 Intensive heat-exchange heat pump system
CN104697081A (en) * 2013-12-09 2015-06-10 北京紫荆信达节能科技有限公司 Soil source heat pump system with natural cooling function
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
CN110432045A (en) * 2019-08-13 2019-11-12 浙江万合能源环境科技有限公司 A kind of intelligent heating system for greenhouse

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2438887Y (en) * 2000-09-11 2001-07-11 龚仁荣 Double-seal ball valve
CN1854645A (en) * 2005-04-18 2006-11-01 上海大智科技发展有限公司 Geothermal heat-pumping system
CN201954707U (en) * 2011-01-17 2011-08-31 天津美意机电设备工程有限公司 Ground source heat pump set

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2438887Y (en) * 2000-09-11 2001-07-11 龚仁荣 Double-seal ball valve
CN1854645A (en) * 2005-04-18 2006-11-01 上海大智科技发展有限公司 Geothermal heat-pumping system
CN201954707U (en) * 2011-01-17 2011-08-31 天津美意机电设备工程有限公司 Ground source heat pump set

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261770A (en) * 2011-07-14 2011-11-30 天津美意机电设备工程有限公司 Ground source heat pump set
CN102829585A (en) * 2012-09-19 2012-12-19 天津美意机电设备工程有限公司 Ground source heat pump unit capable of preventing valve leakage
CN103216921A (en) * 2013-03-08 2013-07-24 天津美意空调设备销售有限公司 Control device for ground source heat pump unit
CN104697081A (en) * 2013-12-09 2015-06-10 北京紫荆信达节能科技有限公司 Soil source heat pump system with natural cooling function
CN104236179A (en) * 2014-09-25 2014-12-24 昆山特佳高美绿能科技有限公司 Hydraulic exchange energy-saving device of ground source heat pump air conditioning unit
CN104329837A (en) * 2014-09-28 2015-02-04 青岛大学 Intensive heat-exchange heat pump 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
CN110432045A (en) * 2019-08-13 2019-11-12 浙江万合能源环境科技有限公司 A kind of intelligent heating system for greenhouse
CN110432045B (en) * 2019-08-13 2021-08-17 浙江万合能源环境科技有限公司 Intelligent heating system for greenhouse

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