CN101358761B - Thermal recovery type geothermal heat pump air conditioning system for file storeroom - Google Patents

Thermal recovery type geothermal heat pump air conditioning system for file storeroom Download PDF

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Publication number
CN101358761B
CN101358761B CN2008100427726A CN200810042772A CN101358761B CN 101358761 B CN101358761 B CN 101358761B CN 2008100427726 A CN2008100427726 A CN 2008100427726A CN 200810042772 A CN200810042772 A CN 200810042772A CN 101358761 B CN101358761 B CN 101358761B
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CN
China
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water
heat
air conditioning
cooling
air
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CN2008100427726A
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Chinese (zh)
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CN101358761A (en
Inventor
王如竹
余鑫
翟晓强
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上海交通大学
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Priority to CN2008100427726A priority Critical patent/CN101358761B/en
Publication of CN101358761A publication Critical patent/CN101358761A/en
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Publication of CN101358761B publication Critical patent/CN101358761B/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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
    • 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
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56Heat recovery units

Abstract

The present invention relates to a ground-source heat-pump air conditioning system that is used for the archives storeroom and is provided with the heat recycling technology, and comprises an underground pipe-buried heat exchanger system, a heat-pump unit system, a constant-temperature constant-moisture unit that is arranged inside the air conditioner room at each floor and a controlling system, wherein, the underground pipe-buried heat exchanger system is connected with the heat-pump unit system through a pipeline; the heat-pump unit system is connected with the constant-temperature constant-moisture unit through a pipeline; the control system is connected with the heat-pump unit system; an air-conditioning water collector and a water divider of the heat-pump unit are respectively connected with a cooling coil pipe and a heating coil pipe of the constant-temperature constant-moisture unit through pipelines; the control system is connected with the air-conditioning water collector and the water divider, and is connected with the valve that is arranged on the pipelines that are arranged between the evaporator and the condenser of the heat-pump unit and the ground-source side water collector and water divider. The hot water heating coil pipe is used inside the heating section of the constant-temperature constant-moisture unit to substitute the electric heater, so that the heat that is originally discharged to the underground is used for re-heating, thereby not only alleviating the heat accumulation problem of the soil, but also saving the energy source.

Description

Thermal recovery type geothermal heat pump air conditioning system for file storeroom
Technical field
The present invention relates to the heat pump type air conditioning system in a kind of refrigeration and heat transfer technology field, particularly a kind of thermal recovery type geothermal heat pump air conditioning system for file storeroom.
Background technology
Energy problem is the significant problem that human development faces, and the coordinated development of the energy and environment becomes trend.Soil source heat pump is a kind of effective using energy source form, and it is to utilize soil as Cooling and Heat Source, and by heat transferring medium, dispel the heat to soil summer, and absorb heat from soil winter, freezes and heat supply to building by source pump again.Soil source belongs to regenerative resource, utilizes the Cooling and Heat Source of regenerative resource as architecture refrigerating and heat supply, not only energy-conservation but also environmental protection.Simultaneously, because the particularity of storage area requires the annual constant temperature and humidity of storehouse to guarantee the preservation of papery archives, therefore the utilization to the energy requires than higher, and adopting this not only energy-conservation but also system environmental protection of soil source heat pump is the good selection of storage area.
Find through literature search prior art, Chinese invention patent application name is called: a kind of earth source heat pump integrated system and method that has nature cooling, waste heat recovery, application number is: 200810034459.8, this patent disclosure a kind of earth source heat pump integrated system of heat recovery.The UTILIZATION OF VESIDUAL HEAT IN mode flows through the air draft heat exchanger for through burying the working fluid of ground heat exchanger preheating, and heat is taken to fresh air heat exchanger, heats new wind.This patent mainly is to make full use of underground heat during at the heat supply operating mode, is not used for heat air-supply again but will flow through the working fluid that buries the ground heat exchanger can not realize cooling condition the time, can't reduce the heat that discharges to soil in energy-conservation.
Summary of the invention
Need the whole year the objective of the invention is the particularity of air-conditioning, propose the air-conditioning measure of this energy-conserving and environment-protective of earth source heat pump, satisfy the requirement of storage area summer cooling and Winter heat supply at the storage area system.Simultaneously, propose heat recovery technology, make that source pump whole year can also heat supply in refrigeration, can alleviate load unbalanced problem, can also provide the domestic hot-water for building at common summer in the winter cooling and heating load imbalance problem of earth-source hot-pump system.
The present invention is achieved by the following technical solutions, the present invention includes: underground heat exchanger system, constant temperature and humidity unit and control system four parts in heat pump set system, each floor Air Conditioning Facilities.Underground heat exchanger system and heat pump set system couple together by pipeline, and heat pump set system and constant temperature and humidity unit couple together by pipeline, and control system is connected with heat pump set system.
Described underground heat exchanger system comprises: underground heat exchanger, ground source water collector, ground source water knockout drum.Underground heat exchanger is composed in parallel by a plurality of pipe embedded wells, and pipe embedded well has 280 mouthfuls, is divided into ten districts, and each district has water collector, water knockout drum respectively, and every mouthful of well diameter is 160mm, is single U type pipe, and all pipe layings adopt reversed return type to connect.At last by pipeline and ground source water collector, the source water knockout drum be connected.Ground source water collector, source water knockout drum one end be connected with underground heat exchanger, the other end is connected by pipeline with heat pump set system.
Described heat pump set system is made of the source pump of the band heat recovery function of two parallel connections, source pump comprises evaporimeter, condenser, air conditioning water water collector, air conditioning water water knockout drum, air conditioning cooling water water collector, air conditioning cooling water water knockout drum, and be installed in source pump evaporimeter, condenser and ground source water collector, the valve on the pipeline that is connected of source water knockout drum.Evaporimeter by pipeline simultaneously with ground source water collector, source water knockout drum and air conditioning water water collector, air conditioning water water knockout drum is connected, condenser by pipeline while and ground source water collector, source water knockout drum and air conditioning cooling water water collector, air conditioning cooling water water knockout drum be connected.Cooling coil in the cooling section of air conditioning water water collector, air conditioning water water knockout drum and constant temperature and humidity unit is connected by pipeline, and air conditioning cooling water water collector, air conditioning cooling water water knockout drum and constant temperature and humidity the unit interior heat(ing) coil of hot arc again are connected by pipeline.There have summer heat is not entered to be underground regular hour, but by the constant temperature and humidity unit again the heat(ing) coil in the hot arc utilize this part heat, source pump can be freezed and heat supply simultaneously, and a cover system can satisfy the annual cold of building, heat and domestic hot-water's needs.
Described constant temperature and humidity unit comprises: mix wind section, fillter section, cooling section, hot arc, humidifier section and air supply section again.Mix the wind section and be the constant temperature and humidity unit foremost, two air intake vents are arranged, an air intake vent does not have attaching parts, is new wind inlet, and another air intake vent is the return air inlet by pipeline and room in succession, mixes the wind section and is connected with fillter section at unit inside one end; Fillter section one end is connected with mixed wind section, and the other end is connected with cooling section; Cooling section one end is connected with fillter section, and the other end is connected with hot arc again, is a heat exchange coil in the cooling section, flows and the air heat exchange by water in the coil pipe, and during summer, coil pipe is used to cool off air, is called cooling coil; Hot arc one end is connected with cooling section again, and the other end is connected with humidifier section, also is a heat exchange coil in the hot arc again, and during summer, coil pipe is used for hot-air again, is called heat(ing) coil; Humidifier section one end is connected with hot arc again, and the other end is connected with air supply section; Air supply section one end is connected with humidifier section, and the other end is connected with the room by pipeline.During cooling condition, return air and new wind through fillter section, filter after the cooling coil cooling and dehumidifying in the supercooling section after mixed wind section is mixed, the heat again of the heat(ing) coil in hot arc more again, and process humidifier section and air supply section are sent into indoor at last.Hot water in the heat(ing) coil in the hot arc is provided by heat pump set system exactly again, and just source pump does not enter that underground a part of heat.
Described control system comprises: parameter sampling system and valve control system.Behind the air conditioning cooling water water collector that parameter sampling system acquisition and source pump condenser are connected by pipeline, the temperature signal of water knockout drum, the parameter sampling system links together by sensor and valve control system.Valve control system is arranged on the pipeline that source pump evaporimeter, condenser and ground source water collector, water knockout drum be connected.During unit operation, make heat pump set system valve opening on condenser and ground source water collector, the water knockout drum connecting pipe or close when the summer by control system.
During cooling condition, source pump work, heat pump set system is connected with the constant temperature and humidity unit with the underground heat exchanger system simultaneously, and heat is spilt into underground and constant temperature and humidity machine again in the heat(ing) coil of hot arc.Spill into constant temperature and humidity machine again the heat in the hot arc heat(ing) coil be exactly the heat of recuperation of heat, spill into underground heat when adopting this technology to reduce cooling condition, alleviate the underground hot stack.During the heat supply operating mode, source pump work, heat pump set system is connected with the constant temperature and humidity unit with underground heat exchanger, absorbs heat from soil.Like this, in the cycle of operation in 1 year, some time spills into soil with heat, other times absorb heat from soil, and for the area, Shanghai, the heat that in general spills into soil will be much larger than the heat that absorbs from soil, and long-time running will inevitably cause the soil hot stack like this, temperature raises, and destroys environment.The heat recovery technology that this engineering adopts has reduced the heat to the soil discharging, replaced electrical heating with heat(ing) coil simultaneously in the hot arc again of constant temperature and humidity unit, has promptly saved the energy and has alleviated destruction to soil again.
The present invention is at first to the annual operation of air conditioner of this needs of storage area, and the building of high energy consumption adopts the earth-source hot-pump system of band heat recovery technology.One cover air-conditioning system satisfies office and archives simultaneously and preserves storehouse, can provide the domestic hot-water whole year, and can heat supply in cooling, even so also can satisfy some day needs heating at transition season, some sky needs refrigeration, some sky needs humidification, and some day needs the requirement of dehumidifying.The heat recovery technology that adopts also can well be alleviated problem general in the earth-source hot-pump system---the unbalanced problem of soil cooling and heating load.It is calculated that the heat that area, Shanghai geothermal heat pump air-conditioning system discharged to soil in a year is 1.6575 * 10 6KJ, the heat that absorbs from soil are 5.5765 * 10 5KJ, both differ 66.3%, and long-time running must cause the soil hot stack around the building, and after adopting heat recovery technology, the heat that reclaimed in a year is 9.6292 * 10 5KJ that is to say, behind the employing heat recovery technology, the heat that discharged in soil in a year is 6.9458 * 10 5KJ only differs 19.7% with the heat that absorbs from soil, slowed down the hot stack of soil greatly.
Description of drawings
Fig. 1 is a system architecture schematic diagram of the present invention
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises: underground heat exchanger system 1, heat pump set system 2, constant temperature and humidity unit 3, control system 4 (not looking out).Its connected mode is: underground heat exchanger system 1 and heat pump set system 2 couple together by pipeline, and heat pump set system 2 and constant temperature and humidity unit 3 couple together by pipeline, and control system 4 is connected with heat pump set system 2 with relay by sensor.
Described underground heat exchanger system 1 comprises: underground heat exchanger 5, ground source water collector 6, ground source water knockout drum 7.Underground heat exchanger 5 is composed in parallel by 280 mouthfuls of pipe embedded wells, at last by pipeline and ground source water collector 6, source water knockout drum 7 be connected.Ground source water collector 6, source water knockout drum 7 one ends be connected with underground heat exchanger 5, the other end and heat pump set system 2 are connected by pipeline.
Described heat pump set system 2 comprises: 8, two source pump 8 parallel connections of source pump.Source pump comprises evaporimeter 9, condenser 10, air conditioning water water collector 11, air conditioning water water knockout drum 12, air conditioning cooling water water collector 13, air conditioning cooling water water knockout drum 14, be installed in source pump evaporimeter, condenser and ground source water collector, eight valves 15,16,17,18,19,20,21,22 on the pipeline that is connected of source water knockout drum.Evaporimeter 9 by pipeline simultaneously with ground source water collector 6, source water knockout drum 7 and air conditioning water water collector 11, air conditioning water water knockout drum 12 is connected, condenser 10 by pipeline while and ground source water collector 6, source water collector 7 and air conditioning cooling water water collector 13, air conditioning cooling water water knockout drum 14 be connected.Valve 15,19 is installed on evaporimeter 9 and the pipeline that ground source water knockout drum 7 is connected, valve 16,20 is installed on evaporimeter 9 and the pipeline that ground source water collector 6 is connected, valve 17,21 is installed on condenser 10 and the pipeline that ground source water knockout drum 7 is connected, and valve 18,22 is installed on condenser 10 and the pipeline that ground source water collector 6 is connected.
Described constant temperature and humidity machine comprises for 3 groups: mix wind section 23, and fillter section 24, cooling section 25, hot arc 26 again, humidifier section 27, air supply section 28.Mix wind section 23 and be the constant temperature and humidity unit foremost, two air intake vents are arranged, an air intake vent does not connect thing, is new wind inlet, and another air intake vent is the return air inlet by pipeline and room in succession, and mixed wind section 23 is connected with fillter section 24 at unit inside one end; Fillter section 24 1 ends are connected with mixed wind section 23, and the other end is connected with cooling section 25; Cooling section 25 1 ends are connected with fillter section 24, and the other end is connected with hot arc 26 again, is a heat exchange coil in the cooling section 25, flow and the air heat exchange by water in the coil pipe, and during summer, coil pipe is used to cool off air, is called cooling coil; Hot arc 26 1 ends are connected with cooling section 25 again, and the other end is connected with humidifier section 27, also are a heat exchange coil in the hot arc 26 again, and during summer, coil pipe is used for hot-air again, is called heat(ing) coil; Humidifier section 27 1 ends are connected with hot arc 26 again, and the other end is connected with air supply section 28; Air supply section 28 1 ends are connected for 27 sections with humidification, and the other end is connected with the room by pipeline.
Described control system 4 comprises: parameter sampling system 29, valve control system 30.After the temperature signal of air conditioning cooling water water collector 13, air conditioning cooling water water knockout drum 14 is gathered by parameter sampling system 29, link together by sensor and valve control system 30.Valve control system 30 be arranged on source pump evaporimeter 9, condenser 10 and ground source water collector 6, on the pipeline that is connected of source water knockout drum 7, the opening and closing of by-pass valve control 15,16,17,18,19,20,21,22.
During cooling condition, valve 15,16,19,20 is closed, and valve 17,18,21,22 is opened, and cooling water enters source pump condenser 10 by ground source water collector 6 after entering underground heat exchanger 5 and soil heat exchange by ground source water knockout drum 7.Just in time opposite during the heat supply operating mode, promptly valve 15,16,19,20 is opened, and valve 17,18,21,22 is closed, and cold water enters source pump evaporimeter 9 by ground source water collector 6 after entering underground heat exchanger 5 and soil heat exchange by ground source water knockout drum 7.Can see, when cooling condition, the condenser 10 of source pump 8 simultaneously with ground source water collector 6, source water knockout drum 7 link to each other with air conditioning cooling water water collector 13, air conditioning cooling water water knockout drum 14, that is to say in cooling, can also provide hot water by air conditioning cooling water water collector 13, air conditioning cooling water water knockout drum 14.In addition for some time, when water temperature is not high especially in parameter sampling system 29 confirms to connect the pipeline of condensers 10 and air conditioning cooling water water collector 13, air conditioning cooling water water knockout drum 14, valve control system 30 by-pass valve controls 17,18,21,22 are also closed, that is to say, this moment, source pump 8 disconnected fully with heat transfer system of underground heat exchanger 1, Here it is recuperation of heat period, heat is not entered in during this period of time underground.When water temperature was too high in parameter sampling system 29 confirms to connect the pipeline of condensers 10 and air conditioning cooling water water collector 13, air conditioning cooling water water knockout drum 14, valve control system by-pass valve control 17,18,21,22 was opened, and returned to conventional refrigeration period again.In addition, during cooling condition, the cooling coil in the cooling section 25 and air conditioning water water collector 11 and air conditioning water water knockout drum 12 link to each other by pipeline, lead to chilled water in the cooling coil.Heat(ing) coil in the hot arc 26 and air conditioning cooling water water collector 13 and air conditioning cooling water water knockout drum 14 link to each other by pipeline again, logical hot water in the heat(ing) coil, be used for again heat,, do not enter that underground a part of heat and be exactly by the heat(ing) coils in the hot arc 26 again and enter air in recuperation of heat period.Heat again in the general constant temperature and humidity unit all is to adopt electrical heating, here with the heating of hot water heat(ing) coil, and the temperature of not only easier control air-supply, and saved the energy.

Claims (4)

1. a storage area is with the geothermal heat pump air-conditioning system of band heat recovery technology, it is characterized in that comprising the underground heat exchanger system, constant temperature and humidity unit and control system four parts in heat pump set system, each floor Air Conditioning Facilities, underground heat exchanger system and heat pump set system couple together by pipeline, heat pump set system and constant temperature and humidity unit couple together by pipeline, control system is connected with heat pump set system, wherein:
Described underground heat exchanger system comprises: underground heat exchanger, ground source water collector, ground source water knockout drum, underground heat exchanger is composed in parallel by a plurality of pipe embedded wells, all pipe layings adopt reversed return type to connect, at last by pipeline and ground source water collector, the source water knockout drum be connected, ground source water collector, source water knockout drum one end be connected with underground heat exchanger, the other end is connected by pipeline with heat pump set system;
Described heat pump set system is made of the source pump of the band heat recovery function of two parallel connections, source pump comprises evaporimeter, condenser, the air conditioning water water collector, the air conditioning water water knockout drum, the air conditioning cooling water water collector, the air conditioning cooling water water knockout drum, and be installed in the source pump evaporimeter, condenser and ground source water collector, valve on the pipeline that ground source water knockout drum is connected, evaporimeter is by pipeline while and ground source water collector, ground source water knockout drum and air conditioning water water collector, the air conditioning water water knockout drum connects, condenser is by pipeline while and ground source water collector, ground source water knockout drum and air conditioning cooling water water collector, the air conditioning cooling water water knockout drum connects, the air conditioning water water collector, the air conditioning water water knockout drum, the air conditioning cooling water water collector, the air conditioning cooling water water knockout drum is connected by pipeline with the constant temperature and humidity unit;
Described constant temperature and humidity unit comprises: mix the wind section, fillter section, cooling section, hot arc again, humidifier section and air supply section, mix the wind section and be the constant temperature and humidity unit foremost, two air intake vents are arranged, one is new wind inlet, another air intake vent by pipeline and room in succession, be the return air inlet, mix the wind section and be connected with fillter section at the inner end of unit, the fillter section other end is connected with cooling section, and the cooling section other end is connected with hot arc again, establish a heat exchange coil in the cooling section, be cooling coil, hot arc one end is connected with cooling section again, and the other end is connected with humidifier section, also establish a heat exchange coil again in the hot arc, be heat(ing) coil; The humidifier section other end is connected with air supply section, and the air supply section other end is connected with the room by pipeline.
2. the storage area according to claim 1 geothermal heat pump air-conditioning system of band heat recovery technology, it is characterized in that, described underground heat exchanger is composed in parallel by a plurality of pipe embedded wells, pipe embedded well has 280 mouthfuls, be divided into ten districts, each district has water collector, water knockout drum respectively, and every mouthful of well diameter is 160mm, is single U type pipe.
3. the storage area according to claim 1 geothermal heat pump air-conditioning system of band heat recovery technology, it is characterized in that, air conditioning water water collector in the described heat pump set system, air conditioning water water knockout drum are connected with cooling section in the constant temperature and humidity unit by pipeline, for the cooling coil in the cooling section provides chilled water cooling air, air conditioning cooling water water collector in the heat pump set system, air conditioning cooling water water knockout drum are connected with hot arc again in the constant temperature and humidity unit by pipeline, for the heat(ing) coil in the hot arc again provides hot water to be used to add hot-air.
4. the storage area according to claim 1 geothermal heat pump air-conditioning system of band heat recovery technology, it is characterized in that described control system and air-conditioning water collector, water knockout drum and the valve that is installed on the pipeline that source pump evaporimeter, condenser and ground source water collector, water knockout drum be connected are connected.
CN2008100427726A 2008-09-11 2008-09-11 Thermal recovery type geothermal heat pump air conditioning system for file storeroom CN101358761B (en)

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CN2008100427726A CN101358761B (en) 2008-09-11 2008-09-11 Thermal recovery type geothermal heat pump air conditioning system for file storeroom

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CN101358761B true CN101358761B (en) 2010-06-02

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102052517A (en) * 2009-11-05 2011-05-11 中国二十冶集团有限公司 Horizontal connecting system for regional underground vertical pipes and connecting construction method thereof
CN101949613B (en) * 2010-06-18 2012-08-08 袁小艳 Refrigerating-heat pump combined operation system for computer room
CN101893004B (en) * 2010-07-21 2012-12-12 河南中烟工业有限责任公司 Double-cooling counter flow heat recovery cooler for centrifugal air compressor and cooling system thereof
CN102997350B (en) * 2011-09-16 2015-08-19 上海梅山钢铁股份有限公司 A kind of archives constant temperature and humidity system and control method thereof
CN102705909A (en) * 2012-06-08 2012-10-03 东莞市国祥空调设备有限公司 Constant temperature and constant humidity air-conditioning system for cinema machine room
CN103836749B (en) * 2014-02-21 2017-04-12 浙江陆特能源科技股份有限公司 Ground source heat pump air conditioning system based on independent temperature and humidity control
CN104121650A (en) * 2014-07-24 2014-10-29 北京康孚科技股份有限公司 Energy-saving centralized air conditioning dehumidification system for tobacco mellowing warehouse and control method
JP2017150778A (en) * 2016-02-26 2017-08-31 新晃工業株式会社 Dehumidifying/reheating air-conditioning system utilizing ground thermal energy

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