CN1743770A - Double-effect energy-storage method by solution dehumidifying with electric-driven refrigerating compressor - Google Patents
Double-effect energy-storage method by solution dehumidifying with electric-driven refrigerating compressor Download PDFInfo
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- CN1743770A CN1743770A CN 200510018083 CN200510018083A CN1743770A CN 1743770 A CN1743770 A CN 1743770A CN 200510018083 CN200510018083 CN 200510018083 CN 200510018083 A CN200510018083 A CN 200510018083A CN 1743770 A CN1743770 A CN 1743770A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000004146 energy storage Methods 0.000 title claims abstract description 17
- 238000005057 refrigeration Methods 0.000 claims abstract description 18
- 238000007791 dehumidification Methods 0.000 claims description 60
- 238000004378 air conditioning Methods 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 16
- 230000008929 regeneration Effects 0.000 claims description 14
- 238000011069 regeneration method Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 239000012141 concentrate Substances 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 5
- 238000002207 thermal evaporation Methods 0.000 claims description 5
- 238000005482 strain hardening Methods 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000002274 desiccant Substances 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000007906 compression Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229940059936 lithium bromide Drugs 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
A double effect energy storage method of solution dehumidifying combined with refrigeration compressor, which contains the diluted solution stored in storage tank, in electric network low load period, the control valve opened, the diluted solution entering regenerator and heated by exchanger, the air is heated at same time, the solution became concentrated and cold state through exchanger to obtain energy storage. Said invention can balance the electric network load.
Description
One, technical field
The present invention relates to the double-effect energy-storage method of a kind of solution dehumidification in conjunction with electric-driven refrigerating compressor, belongs to technical fields such as air conditioning, new forms of energy.
Two, background technology
Now in the society, air conditioning method is varied, but divide by using the energy, it mainly is the absorption refrigeration that electricity drives vapor-compression formula and large-scale fuel (heat) driving, say technically advantage is respectively arranged, but their each have their own deficiency: electricity drives steam compression type and the energy effectively can not be stored, and the use period of air-conditioning is very concentrated, has aggravated the imbalance of network load greatly; Absorption refrigeration exists investment and operating cost height, and equipment can not economic miniaturization.
And energy accumulation air conditioner methods such as existing ice-reserving, can shortcomings such as ubiquity system complex, investment is big, energy storage density is little, bulky find a kind of accumulation of energy efficient height, small investment, low house, the commercial air conditioning method that uses of being fit to again of operating cost so?
Three, summary of the invention
Based on the problems referred to above, the invention provides the double-effect energy-storage method of a kind of solution dehumidification in conjunction with electric-driven refrigerating compressor, it is cold effectively to solve refrigeration compressor, the utilization of hot two ends energy, thereby realize accumulation of energy efficient height, small investment, operating cost is low, widely applicable air conditioning problem, it is based on the solution dehumidification air conditioning method, and dehumidification solution directly to pending air spray, reduces the air water capacity, pass through indirect evaporation then, adiabatic saturated the grade realized the air themperature humidity regulation, promptly utilize the Pistonless compressor two-side energy, the hot junction is used for the dehumidification solution that concentration after the moisture absorption in the liquid desiccant air conditioning reduces is heated, and reaches to concentrate regeneration; Cold junction is used for to the cooling of the concentrated solution after the regeneration (within a certain period of time), electric energy is carrier with the dehumidification solution, form with the high concentration cold soln stores, regulate the usefulness of air for other periods, the technical scheme of its solution is: the weak solution after the suction of discharging during solution dehumidifying air-conditioning system work is deposited to the weak solution storage tank, to the network load ebb period, control valve is opened, weak solution enters regenerator, be placed in heat exchanger (also being the condenser of refrigeration system) heating wherein, partial pressure of water vapor improves in the solution; Simultaneously, with being heated simultaneously from the next air of environment of weak solution reverse flow, airborne partial pressure of water vapor reduces, and this causes the water vapour in the solution to shift in air, has realized the dehydration of dehumidification solution, concentrated, regeneration;
Dense dehumidification solution after concentrating, with next from the weak solution storage tank, the solution that will regenerate carries out heat exchange, and heat exchanger is passed through in preliminary cooling then, it is the evaporimeter of refrigeration system, cool the temperature to claimed condition, form dense, cold dehumidification solution (temperature, damp and hot of water capacity, latent heat and the air of regulating air such as being used for regulating), the low-valley interval that this process is set in network load usually regularly carries out, reach accumulation of energy, and play to network load peak clipping and add the paddy effect.The technology of the present invention has advantages such as energy storage density is big, system is simple, operating cost is low, investment is little, and the control of a plurality of terminal air conditioner load amount is convenient, and 100% brand-new wind running environment can be provided.
Four, description of drawings
Accompanying drawing is a workflow diagram of the present invention.
Five, the specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.
By aforementioned, the present invention is, dehumidification solution from the weak solution storage tank is through control valve, over-heat-exchanger then, carry out heat exchange with the concentrated solution after the regeneration of coming out from regenerator, temperature enters regenerator after raising, spray in regenerator heat exchanger one side, fall into kerve, solution in kerve most solutions after the pump pressurization sprays again, the HTHP working medium liberated heat that is passed through by the heat exchanger opposite side fully heats, entrained moisture is subjected to thermal evaporation, moisture evaporated is by the same side reverse flow, heated high temperature air is taken out of simultaneously, the dehumidification solution of Nong Suoing falls into kerve afterwards, this process repeats, dehumidification solution carries out heat exchange through heat exchanger and the dehumidification solution that comes from the weak solution storage tank, concentrated solution after the preliminary reduction of temperature is through heat exchanger (refrigeration system evaporator), the low-temp low-pressure working medium of being passed through by the heat exchanger opposite side absorbs heat, after fully being cooled to design temperature, store to concentrated solution fluid reservoir with heat insulation function, realize double-effect energy-storage, for the liquid desiccant air conditioning usefulness of working hour.
In the specific implementation, in conjunction with actual conditions, division is as follows:
The work of compressor working medium:
The HTHP working medium 3-1 that from refrigeration compressor E, comes out, enter the heat exchanger (refrigeration system condenser) of dehumidification solution regenerator K, emit heat, dehumidification solution 1-4, the air stream 2-1 of the reverse flow of heat exchanger opposite side are heated simultaneously, working medium 3-2 after the heat release, cross throttling arrangement F, become cold working medium 3-3, cold working medium 3-3 enters heat exchanger C (evaporimeter), absorbs the opposite side heat, with the dehumidification solution 1-6 of the opposite side of flowing through, cool, working medium 3-4 after the heat absorption crosses gas-liquid separator D, returns compressor, forms complete cycle;
Air circulation work:
Air stream 2-1 from environment comes enters regenerator K, through heat exchanger (refrigeration system condenser), fully contact with the dehumidification solution 1-4 that is heated intensification and reverse spray simultaneously, the moisture that dehumidification solution intensification back evaporation loses is taken out of, formed hot and humid air 2-2, discharge outdoor;
Dehumidification solution work:
Dehumidification solution 1-1 from weak solution storage tank H is through control valve G, over-heat-exchanger B then, carry out heat exchange with the concentrated solution 1-5 after the regeneration of coming out from regenerator K, after raising, temperature becomes hot solution 1-2, enter regenerator, spray in regenerator heat exchanger one side, fall into kerve, solution 1-3 in the kerve is through pump P, pressurized back solution divides two part 1-4,1-5, enter regenerator K and heat exchanger B through flow control valve respectively, its flow solution 1-4 is greater than solution 1-5, and most solutions 1-4 sprays again, the HTHP working medium 3-1 liberated heat that is passed through by the heat exchanger opposite side fully heats, entrained moisture content is subjected to thermal evaporation, and moisture evaporated is by the same side reverse flow, heated high temperature air 2-1 takes out of simultaneously, and it is outdoor to become hot and humid air 2-2 to discharge; The dehumidification solution that concentrates falls into kerve, and this process repeats.The solution 1-4 that sprays in the enforcement, its flow will be much larger than the flow of the solution 1-5 that sends;
Dehumidification solution 1-5 carries out heat exchange through heat exchanger B and the dehumidification solution 1-1 that comes from weak solution storage tank H, concentrated solution 1-6 after the preliminary reduction of temperature is through heat exchanger (refrigeration system evaporator) C, the low-temp low-pressure working medium 3-3 that is passed through by heat exchanger C opposite side absorbs heat, fully be cooled to the solution 1-7 behind the design temperature, store to concentrated solution fluid reservoir A, for the liquid desiccant air conditioning usefulness of working hour with heat insulation function.
With the new air-dry bulb temperature of environment is 34 ℃, water capacity 18g, and working medium (being the energy storage carrier) is lithium-bromide solution, and the lithium-bromide solution freezing point is low, is beneficial to system's running, and concrete performance is described as follows:
Compressor working medium:
The HTHP working medium 3-1 that from compressor, comes out, enter dehumidification solution regenerator heat exchanger K, emit heat, the dehumidification solution 1-4 of heat exchanger opposite side reverse flow is heated to 50 ℃, air stream 2-1 is heated to 48 ℃ simultaneously, working medium 3-2 after the heat release, cross throttling arrangement F, become working medium 3-3, working medium 3-3 enters heat exchanger C (evaporimeter), absorb the opposite side heat, with the dehumidification solution 1-6 of the opposite side of flowing through, cool, the working medium 3-4 after the heat absorption crosses gas-liquid separator D, return compressor, form complete cycle;
5 ℃ of refrigeration system evaporator temperature, 54 ℃ of condensation temperatures.
Air circulation:
The air that comes from environment flows 2-1 (34 ℃ of dry bulbs, water capacity 18g/kg, flow 1250m
3/ h), enter regenerator, through heat exchanger (refrigeration system condenser) K, fully contact with the dehumidification solution 1-4 that is heated intensification and reverse spray simultaneously, the moisture that dehumidification solution intensification back evaporation loses is taken out of, form hot and humid air 2-2 (48 ℃ of dry bulbs, water capacity 32g/kg), discharge outdoor;
Dehumidification solution:
From next dehumidification solution 1-1 (30 ℃ of the temperature of weak solution storage tank H, concentration 48%) through control valve G, over-heat-exchanger B then, with concentrated solution 1-5 (50 ℃ of the temperature after the regeneration of coming out from regenerator, concentration 50.5%) carry out heat exchange, after raising, temperature becomes 1-2, enter regenerator, spray in regenerator heat exchanger one side, fall into kerve, solution 1-3 in the kerve is through pump P, and pressurized back most solutions 1-4 sprays again, and the HTHP working medium 3-1 liberated heat that is passed through by the heat exchanger opposite side fully heats, entrained moisture is subjected to thermal evaporation, moisture evaporated is by the same side reverse flow, heated high temperature air 2-1 takes out of simultaneously, and the dehumidification solution of Nong Suoing falls into kerve afterwards, and this process repeats, need to prove the solution 1-4 of spray, its flow is much larger than the flow of the solution 1-5 that sends.
Dense dehumidification solution 1-5 (50 ℃ of temperature, concentration 50.5%) carry out heat exchange through heat exchanger B and the dehumidification solution 1-1 that comes from weak solution storage tank H, concentrated solution 1-6 (34 ℃ of temperature after the preliminary reduction of temperature, concentration 50.5%) through heat exchanger (refrigeration system evaporator) C, the low-temp low-pressure working medium 3-3 that is passed through by heat exchanger C opposite side absorbs heat, fully be cooled to 1-7 (8 ℃ of the temperature behind the design temperature, concentration 50.5%), store to concentrated solution fluid reservoir with heat insulation function, the realization economic benefits and social benefits are energy-conservation, for the liquid desiccant air conditioning usefulness of working hour.
As required, the present invention can adopt multistage accumulation of energy compound, makes concentrated solution realize accumulation of energy with lower temperature, higher concentration.The carrier of accumulation of energy is a dehumidification solution, the form that accumulation of energy realizes is high concentration, cold dehumidification solution, the realization of dehumidification solution accumulation of energy high concentration, cold is the cold that has utilized various refrigeration compressor condenser heats and evaporation side simultaneously, that is: with refrigeration compressor condenser heat heated solution, make the dehumidification solution dehydration, concentrate regeneration; With the concentrated solution after the refrigeration compressor evaporation side cold cooling regeneration, thereby realize double-effect energy-storage with dense, cold dehumidifying liquid form;
Realizing the used heat exchanger of mode of heating (heat exchanger) of dehumidification solution regeneration, can be to be made of finned tube, board-like, light pipe nest plate etc., also can be various corrosion-resistant fillings, partition channel-type etc.Its material can be stainless steel, surface treated other metals, heat-conducting plastic etc., also can be other resistant materials;
Be provided with concentrated solution holding vessel with heat insulation function and the weak solution storage tank that need not be incubated in system, dehumidification solution concentrates regeneration, cooling, can be single-stage, also can be multi-stage superimposed forming more than two, to realize variable concentrations and the accumulation of energy of temperature dehumidification solution;
Be provided with heat exchanger (heat exchanger) before rare dehumidification solution and concentrated regenerate back, the evaporator cools, its objective is that raising will enter the temperature of the weak solution of regeneration, reduce the temperature that soon arrives the concentrated solution of evaporator cools simultaneously, to improve system effectiveness.
It should be appreciated that the air humidity of liquid desiccant air conditioning requirement is depended in determining of carrier strong solution concentration of the present invention, in other words, solve the latent heat of air; Determining of solution temperature depends on the air themperature of liquid desiccant air conditioning requirement, that is to say, solves the damp and hot of air.
The present invention has advantages such as energy storage density is big, system is simple, operating cost is low, investment is little, and a plurality of terminal air conditioner load amount controls are convenient, be applicable to from the liquid desiccant air conditioning of operating modes such as the brand-new wind of complete indoor circulation wind to 100%, the low-valley interval that this process is set in network load usually regularly carries out, reach accumulation of energy, and play to network load peak clipping and add the paddy effect, being that one on air conditioning and the power-saving technology is big creates and innovation, and wide development application prospect and huge economic benefit are arranged.
Claims (4)
1, a kind of solution dehumidification is in conjunction with the double-effect energy-storage method of electric-driven refrigerating compressor, it is characterized in that being, dehumidification solution from the weak solution storage tank is through control valve, over-heat-exchanger then, carry out heat exchange with the concentrated solution after the regeneration of coming out from regenerator, temperature enters regenerator after raising, spray in regenerator heat exchanger one side, fall into kerve, solution in kerve most solutions after the pump pressurization sprays again, the HTHP working medium liberated heat that is passed through by the heat exchanger opposite side fully heats, entrained moisture is subjected to thermal evaporation, moisture evaporated is by the same side reverse flow, heated high temperature air is taken out of simultaneously, and the dehumidification solution of Nong Suoing falls into kerve afterwards, and this process repeats; Small part dehumidification solution after the pump pressurization carries out heat exchange through heat exchanger and the dehumidification solution that comes from the weak solution storage tank, concentrated solution after the preliminary reduction of temperature is through heat exchanger, the low-temp low-pressure working medium of being passed through by the heat exchanger opposite side absorbs heat, after fully being cooled to design temperature, store to concentrated solution fluid reservoir with heat insulation function, this process repeats, and realizes double-effect energy-storage.
2, a kind of solution dehumidification according to claim 1 is in conjunction with the double-effect energy-storage method of electric-driven refrigerating compressor, it is characterized in that, said HTHP working medium (3-1) of from refrigeration compressor (E), coming out, enter the heat exchanger of dehumidification solution regenerator K, emit heat, dehumidification solution (1-4) with the reverse flow of heat exchanger opposite side, air stream (2-1) heats simultaneously, working medium after the heat release (3-2), cross throttling arrangement (F), become cold working medium (3-3), cold working medium (3-3) enters heat exchanger (C), absorbs the opposite side heat, with the dehumidification solution (1-6) of the opposite side of flowing through, cool, working medium after the heat absorption (3-4) is crossed gas-liquid separator (D), returns compressor, forms complete cycle; Air stream (2-1) from environment comes enters regenerator (K), through heat exchanger, fully contact with the dehumidification solution (1-4) that is heated intensification and reverse spray simultaneously, the moisture that dehumidification solution intensification back evaporation loses is taken out of, formed hot and humid air (2-2), discharge outdoor; Dehumidification solution (1-1) from weak solution storage tank (H) is through control valve (G), over-heat-exchanger (B) then, carry out heat exchange with the concentrated solution (1-5) after the regeneration of coming out from regenerator (K), after raising, temperature becomes hot solution (1-2), enter regenerator, spray in regenerator heat exchanger one side, fall into kerve, solution in the kerve (1-3) is through pump (P), pressurized back solution divides two parts (1-4), (1-5), enter regenerator (K) and heat exchanger (B) through flow control valve respectively, its flow solution (1-4) is greater than solution (1-5), most solutions (1-4) sprays again, HTHP working medium (3-1) liberated heat that is passed through by the heat exchanger opposite side fully heats, entrained moisture content is subjected to thermal evaporation, and moisture evaporated is by the same side reverse flow, heated high temperature air (2-1) is taken out of simultaneously, and it is outdoor to become hot and humid air (2-2) to discharge; The dehumidification solution that concentrates falls into kerve, and this process repeats; Dehumidification solution (1-5) carries out heat exchange through heat exchanger (B) and the dehumidification solution (1-1) that comes from weak solution storage tank (H), concentrated solution (1-6) after temperature reduces is through heat exchanger (C), the low-temp low-pressure working medium of being passed through by heat exchanger (C) opposite side (3-3) absorbs heat, the solution (1-7) that is cooled to behind the design temperature deposits in the concentrated solution fluid reservoir (A) of insulation, for the usefulness of air-conditioning work period.
3, a kind of solution dehumidification according to claim 1 and 2 is characterized in that in conjunction with the double-effect energy-storage method of electric-driven refrigerating compressor, and said heat exchanger is finned tube or board-like or light pipe nest plate, or corrosion-resistant filling, partition channel-type.
4, a kind of solution dehumidification according to claim 1 and 2 is characterized in that in conjunction with the double-effect energy-storage method of electric-driven refrigerating compressor, and said dehumidification solution concentrates regeneration, cooling, is single-stage or multi-stage superimposed forming more than two.
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| CNB2005100180838A CN100347499C (en) | 2005-10-10 | 2005-10-10 | Double-effect energy-storage method by solution dehumidifying with electric-driven refrigerating compressor |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100416169C (en) * | 2006-08-11 | 2008-09-03 | 重庆大学 | A regeneration device for dehumidification solution |
| CN100451468C (en) * | 2006-06-15 | 2009-01-14 | 清华大学 | A heat pump-driven multi-stage solution dehumidification and regeneration fresh air unit |
| CN101832607A (en) * | 2010-04-09 | 2010-09-15 | 东华大学 | Shallow rock soil energy-storing and temperature-restoring system |
| CN101701738B (en) * | 2009-11-26 | 2011-11-30 | 佛山市浩特普尔人工环境设备有限公司 | Fresh air handling unit for regulating humidity and controlling temperature by adopting solution and control method thereof |
| CN106871277A (en) * | 2016-09-21 | 2017-06-20 | 东华大学 | A kind of function of mechanical steam recompression formula dehumidifier/air-conditioning system |
| CN107166797A (en) * | 2017-06-08 | 2017-09-15 | 东北大学 | A kind of absorption type heat pump system of utilization low valley power storage |
| CN113915793A (en) * | 2021-09-27 | 2022-01-11 | 河南科技大学 | A cold storage compression refrigeration system |
| CN114909829A (en) * | 2022-05-24 | 2022-08-16 | 香港城市大学深圳研究院 | Two-stage absorption type energy storage device and using method thereof |
| CN115158616A (en) * | 2022-06-27 | 2022-10-11 | 武汉理工大学 | Submarine Air Conditioning System |
| CN118602670A (en) * | 2024-06-07 | 2024-09-06 | 苏州苏冻制冷科技有限公司 | A kind of mobile and corrosion-resistant refrigerant automatic treatment device using evaporation method |
Family Cites Families (4)
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| JP3750287B2 (en) * | 1997-06-30 | 2006-03-01 | ダイキン工業株式会社 | Heat storage device |
| JP2002295921A (en) * | 2001-03-28 | 2002-10-09 | Tokyo Gas Co Ltd | Cooling mechanism |
| CN1216251C (en) * | 2003-09-11 | 2005-08-24 | 尹进福 | Electric driving solution dehumidify all fresh air double effect energy storage central air conditioner |
| CN100387926C (en) * | 2004-04-02 | 2008-05-14 | 大连理工大学 | Energy storage dehumidification/air conditioning method and equipment for an energy storage dehumidification/air conditioning unit |
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2005
- 2005-10-10 CN CNB2005100180838A patent/CN100347499C/en not_active Expired - Fee Related
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| CN100451468C (en) * | 2006-06-15 | 2009-01-14 | 清华大学 | A heat pump-driven multi-stage solution dehumidification and regeneration fresh air unit |
| CN100416169C (en) * | 2006-08-11 | 2008-09-03 | 重庆大学 | A regeneration device for dehumidification solution |
| CN101701738B (en) * | 2009-11-26 | 2011-11-30 | 佛山市浩特普尔人工环境设备有限公司 | Fresh air handling unit for regulating humidity and controlling temperature by adopting solution and control method thereof |
| CN101832607A (en) * | 2010-04-09 | 2010-09-15 | 东华大学 | Shallow rock soil energy-storing and temperature-restoring system |
| CN101832607B (en) * | 2010-04-09 | 2012-07-04 | 东华大学 | Shallow rock soil energy-storing and temperature-restoring system |
| CN106871277A (en) * | 2016-09-21 | 2017-06-20 | 东华大学 | A kind of function of mechanical steam recompression formula dehumidifier/air-conditioning system |
| CN107166797A (en) * | 2017-06-08 | 2017-09-15 | 东北大学 | A kind of absorption type heat pump system of utilization low valley power storage |
| CN107166797B (en) * | 2017-06-08 | 2019-11-01 | 东北大学 | A kind of absorption type heat pump system using low valley power storage |
| CN113915793A (en) * | 2021-09-27 | 2022-01-11 | 河南科技大学 | A cold storage compression refrigeration system |
| CN114909829A (en) * | 2022-05-24 | 2022-08-16 | 香港城市大学深圳研究院 | Two-stage absorption type energy storage device and using method thereof |
| CN114909829B (en) * | 2022-05-24 | 2024-01-26 | 香港城市大学深圳研究院 | Double-stage absorption energy storage device and its use method |
| CN115158616A (en) * | 2022-06-27 | 2022-10-11 | 武汉理工大学 | Submarine Air Conditioning System |
| CN115158616B (en) * | 2022-06-27 | 2024-01-23 | 武汉理工大学 | Submarine air conditioning system |
| CN118602670A (en) * | 2024-06-07 | 2024-09-06 | 苏州苏冻制冷科技有限公司 | A kind of mobile and corrosion-resistant refrigerant automatic treatment device using evaporation method |
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| CN100347499C (en) | 2007-11-07 |
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