CN1563876A - Accumulation dehumidifying air conditioning method for accumulation dehumidifying air conditioner set, and appts. thereof - Google Patents
Accumulation dehumidifying air conditioning method for accumulation dehumidifying air conditioner set, and appts. thereof Download PDFInfo
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- CN1563876A CN1563876A CNA2004100212213A CN200410021221A CN1563876A CN 1563876 A CN1563876 A CN 1563876A CN A2004100212213 A CNA2004100212213 A CN A2004100212213A CN 200410021221 A CN200410021221 A CN 200410021221A CN 1563876 A CN1563876 A CN 1563876A
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- 238000000034 method Methods 0.000 title claims abstract description 66
- 238000004378 air conditioning Methods 0.000 title claims abstract description 45
- 238000009825 accumulation Methods 0.000 title claims description 51
- 239000000243 solution Substances 0.000 claims abstract description 93
- 239000012224 working solution Substances 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims abstract description 28
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 239000007921 spray Substances 0.000 claims abstract description 10
- 238000007791 dehumidification Methods 0.000 claims description 44
- 238000010521 absorption reaction Methods 0.000 claims description 32
- 230000008569 process Effects 0.000 claims description 28
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 238000011282 treatment Methods 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 14
- 238000009833 condensation Methods 0.000 claims description 9
- 230000005494 condensation Effects 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000012809 cooling fluid Substances 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims description 2
- 238000002425 crystallisation Methods 0.000 claims description 2
- 230000008025 crystallization Effects 0.000 claims description 2
- 239000000779 smoke Substances 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims description 2
- 229940059936 lithium bromide Drugs 0.000 claims 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims 1
- 230000031709 bromination Effects 0.000 claims 1
- 238000005893 bromination reaction Methods 0.000 claims 1
- 229910052744 lithium Inorganic materials 0.000 claims 1
- 238000004146 energy storage Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000001704 evaporation Methods 0.000 abstract 2
- 230000008020 evaporation Effects 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 12
- 238000001035 drying Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 235000019628 coolness Nutrition 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 238000004108 freeze drying Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000005496 eutectics Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 208000011580 syndromic disease Diseases 0.000 description 2
- 206010009866 Cold sweat Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Drying Of Gases (AREA)
- Central Air Conditioning (AREA)
Abstract
Principle is as following: electric energy is converted to latent energy of working solution for dehumidifying operation and the latent energy is stored. When dehumidifying air and cooling or heating dehumidified dry air is needed to carry out, the stored latent energy is converted to energy needed to dehumidify air. Heat generated in dehumidifying procedure is reclaimed for heating dried air or cooling dehumidified air through water spray and evaporation. Water solution of lithium bromide or lithium chloride as working solution is adopted in machine set. Advantages are: energy for dehumidifying can be stored for long time period, flexible running and high efficient. The invented equipment is suitable to high humid area, central air conditioning system of energy storage dehumidifying evaporation and cooling/ backheating supply, or dehumidifying and backheating dry system. It also suitable to modifies general central air conditioning system to the disclosed system.
Description
Technical field
The invention belongs to power conversion and energy accumulating technique field.Specially refer to a kind of process of finishing power conversion, storage and changing again by the caused solution chemistry potential variation of working solution change in concentration.Convert electric energy to the dehumidification potential of working solution in the low power consumption period, and with the form storage power of dehumidification potential; When needs were made dehumidification treatments to humid air, the method for employing absorption dehumidifying was converted to the dehumidification potential that stores the method and apparatus of dehumidifying energy again.
Background technology
Existing power conversion and storage (cold-storage/accumulation of heat) technology mainly is the reaction heat of the sensible heat, latent heat effect or the chemical reaction process that utilize the working media state change process to be had, employing is directly changed into mode cold or heat energy and storage with electric energy and carries out, comprise sensible heat, latent heat and heat chemistry energy accumulating technique, this class energy accumulating technique also can't be made dehumidification treatments to humid air effectively.
Existing accumulation of energy (cold-storage/accumulation of heat) technology is simply described:
1) sensible heat energy accumulating technique: utilize each material all to have certain thermal capacitance, under the constant situation of physical form, along with variation of temperature can absorb or exothermic characteristic.In theory, all substances all can be applied to the sensible heat accumulation of energy.At the initial stage of energy accumulating technique development, the sensible heat accumulation of energy at first is suggested and is applied, and most widely used is exactly the cold/hot water energy accumulating technique, and this energy accumulating technique also can't be made dehumidification treatments to humid air.
2) latent heat cold-storage technology: need absorb when utilizing the material phase transformation or exothermic characteristic stores or discharges hot and cold energy, comprise: ice energy accumulating technique, the eutectic salts (energy accumulating technique of phase-change material-PCM).Ice storage technology is the cold-storage technology more widely of using at present, and it is to utilize the solid-liquid phase change latent heat of water to carry out the storage and the release of cold.(energy accumulating technique of phase-change material-PCM) is another kind of newer latent heat accumulator technology to eutectic salts, and it is to utilize various energy-accumulation materials (to claim the solid-liquid phase change temperature that phase-change material-PCM) is special again, make this technology not only be applicable to accumulation of heat but also be applicable to cold-storage.Also available freeze drying method is made dehumidification treatments to humid air during for low-temperature cold accumulation, but the air water capacity after handling is relevant with the cold-storage temperature, the cold-storage temperature is low more, air water capacity after the processing is just low more, but can not be too low as energy-storage air conditioner system cold-storage temperature, so the freeze drying of chilling air conditioning system be limited in one's ability.
3) heat chemistry cold-storage technology: in certain temperature range, can produce certain thermal chemical reaction during some material neither endothermic nor exothermic.The energy accumulating technique that utilizes this principle to constitute is referred to as the heat chemistry energy accumulating technique.The gas hydrate cold-storage technology of researching and developing at present can put latent heat cold-storage technology under from the state of matter version, but from the cold-storage principle is to belong to the chemical reaction heat that is produced by chemical reaction to come cold-storage, and it is similar to latent heat cold-storage technology that humid air is made the dehumidification treatments ability.
More than a common feature of all existing energy accumulating techniques be that electric energy is directly changed into cold or heat energy and directly store cold or heat energy, cold or the heat energy temperature that stores is certain, can not change arbitrarily, dehumidifying effect to humid air is very weak, and it is very big or make the accumulation of energy dehumidify field that degree of depth dehumidifying requires to adapt to moisture removal.
Summary of the invention
The objective of the invention is to be to provide the method and apparatus of a kind of power conversion and storage; Promptly, a kind ofly convert electric energy to the working solution dehumidification potential earlier and store, and then adopt the method for absorption dehumidifying to convert the dehumidification potential that stores to required dehumidifying energy, and by the dry air after the dehumidification treatments is remake further cooling or heat treated, making the air after the final processing is air-conditioning, heat supply or dry used, the electric load bigger to day and night fluctuation plays " peak load shifting " effect, and reduces the dehumidifying/air-conditioning unit of user power utilization expense.
Technical solution of the present invention is, convert electrical energy into the working solution dehumidification potential and store finally convert to dehumidifying can method, by power conversion, potential storage and energy again transfer process constitute; Conversion process of energy is to convert electric energy to heat energy earlier, utilizes heat energy that water is separated from working solution then, working solution concentration is changed and has dehumidification potential; Working solution behind absorption or the separation moisture all is stored in the same storage tank; Energy transfer process again is when needs are made dehumidification treatments to humid air, working solution in the storage tank is introduced the absorption dehumidifying device after cooling off, humid air stream moisture in the humid air behind the absorption dehumidifying device is reduced by humidity that working solution absorbs, and the dehumidification potential of working solution converts actual dehumidifying energy to; If again the dry air after the dehumidifying is made further cooling or heat treated, making the air after the final processing is air-conditioning, heat supply or dry used solving because of using air-conditioning, heat supply, the unbalanced problem of electric load round the clock that drying equipment was caused, and reduces the operating cost of equipment.
Have only a solution storage tank in the accumulation of energy dehumidifying unit, through removing humidity load control and regulation device and after the solution cooler cooling, enter the moisture in the humid air that the absorption of absorption dehumidifying device flows through from the working solution of solution storage tank; The working solution that goes out the absorption dehumidifying device is shunted through switching/control valve through the solution pump pressurization, a part enters the solution storage tank or directly enters generation/condenser and then enter the solution storage tank, another part with mix from the solution storage tank and by removing the working solution that humidity load controls to adjust device, and enter the absorption dehumidifying device after being cooled once more, guarantee the sprinkle density of solution in the absorption dehumidifying device; Fill, the quality and the concentration of solution in the exoergic process in the storage tank constantly changes.
Effect of the present invention and benefit are: convert the electric energy of low power consumption period to the working solution dehumidification potential, and with the form storage power of dehumidification potential; In the time of need making dehumidification treatments to humid air in other period of electricity consumption, adopt the absorption dehumidifying mode dehumidification potential that stores to be converted to the dehumidifying energy of actual needs, again the dry air after the dehumidifying is made further cooling or heat treated, making the air after the final processing is air-conditioning, heat supply or dry used, to solve because of using air-conditioning, heat supply, the unbalanced problem of electric load round the clock that drying equipment caused, electric load is played " peak load shifting " effect, improve and send out, the operational efficiency of power supply unit and safe operation of electric network and economy, and reduce air-conditioning, heat supply, the operating cost of drying equipment; Because energy stores with the form of dehumidification potential, and adopt the absorption dehumidifying mode to convert potential to the dehumidifying energy again, and can make further cooling or heat treated to the dry air after the dehumidifying, making the air after the final processing is air-conditioning, heat supply or dry used; Therefore, same accumulation of energy dehumidifying/air-conditioning unit both can be used for refrigeration, the heating of air-conditioning, also can be used for drying system, and energy-storage method is simple, the energy storage density height, working solution is environmentally friendly, thoroughly solves cold-producing medium in the freeze drying method to destruction problem that environment caused; This invention is specially adapted to accumulation of energy dehumidifying, the refrigeration/heating of energy accumulation air conditioner, the accumulation of energy drying system under the various high humidity environments, also is applicable to the refrigeration/heating of existing air-conditioning, refrigeration/heating, the drying system that drying system is transformed into energy accumulation air conditioner.
Working solution also can adopt other the working solution that is used for absorption dehumidifying except that the lithium bromide or the lithium chloride aqueous solution, as: the triethylene glycol aqueous solution etc.The working solution difference, the workflow of the different institutes of the processing method of humid air being formed system is also slightly different, but the power conversion of accumulation of energy process, it is identical that storage reaches conversion method again.
For being that the working solution in every cubic metre of tank volume can remove 200～300 kilograms water in the accumulation of energy dehumidifying/air-conditioning unit of working solution from humid air with the lithium bromide or the lithium chloride aqueous solution.
Description of drawings
Fig. 1 is an accumulation of energy dehumidifying/air-conditioning unit workflow of the present invention.
Fig. 2 is an accumulation of energy air condition by dehumidifying, evaporative cooling unit workflow of the present invention.
Fig. 3 is accumulation of energy dehumidifying backheat heating air-conditioning/dryer group workflow of the present invention.
Dotted line is represented water vapour stream thigh among the figure, and solid line is represented working solution and water stream, and arrow is a flow direction.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
Accompanying drawing 1 be a kind of be working solution accumulation of energy dehumidifying/air-conditioning unit workflow with the lithium bromide or the lithium chloride aqueous solution.When moving by full accumulation of energy strategy, in the low power consumption period, the working solution in the auxiliary heater 7 work heating generation/condensers 14 makes the temperature and pressure rising in generation/condenser 14; Reach switching/control valve 2 behind the design work pressure, 3,4,18 do suitably to open and close, the weak solution that is stored in the solution storage tank 4 is pressurizeed through solution pump 1 and solution heat exchanger 6, after the heating, spray outside the tube bank 13 of generation/condenser 14 by spray thrower 10, weak solution is heated and is produced the water vapour attemperator 12 of flowing through and mix with the water smoke that spray thrower 11 sprays, after reducing, temperature is introduced into water vapour compression machine 9 compressions that drive by motor 8, the condensation in tube bank 13 of water vapour after the compression, condensation heat is passed to the weak solutions of restraining outside 13 as heat takes place, condensed water is through solution heat exchanger 6 coolings, fraction enters attemperator 12 and compressor 9 as cooling fluid by control valve 15, and is most of by drain valve 16 discharge systems; The concentrated solution that goes out generation/condenser 14 is also got back in the storage tank 4 after solution heat exchanger 6 coolings; Along with moisture in the working solution is constantly separated and the discharge system, solution quality constantly reduces in the storage tank 4, and solution concentration constantly raises, and dehumidification potential constantly increases; When solution concentration was elevated to design load in the storage tank 4, power conversion and storage tank filled and can finish in the stage, and energy is stored in the solution storage tank with the form of solution dehumidification potential; Storage tank 4 should be taked the insulation measure, in order to avoid solution temperature reduces too many in the potential storage process, separate out too much lithium bromide or lithium chloride crystallization in the solution, and in storage tank 4, establish crystalline substance/liquid and separate and molten brilliant device, guarantee to flow out in the solution of storage tank 4 and do not contain lithium bromide or lithium chloride crystal.When needs carried out dehumidification treatments to humid air, switching/ control valve 2,3,4,18 remake suitable keying, removed 17 work of humidity load control and regulation device, introduced absorption dehumidifying device 22 according to the concentrated solution that the dehumidifying burden requirement will be stored in the storage tank 4; Humid air 22a flows through, and its moisture is by the reduction of working solution absorption humidity in absorption dehumidifying device 22 for filter 20, and the dry air 22b behind gas-liquid separator 23 can be utilized; Weak solution behind the absorption moisture is through solution pump 1 pressurization and shunting, a part is regulated through switching/control valve 3, enter solution storage tank 4 or be introduced into generation/condenser 14 and then enter storage tank 4, make in the storage tank 4 solution qualities increase concentration and reduce, dehumidification potential reduces gradually; Another part is regulated through switching/control valve 2, with mix from solution storage tank 4 and by removing the concentrated solution that humidity load controls to adjust device 17, and after solution cooler 19 coolings, enter absorption dehumidifying device 22 once more, guarantee the sprinkle density of solution in the absorption dehumidifying device 22, be cooled water stream 19a, 19b of cooling heat takes away; When solution concentration was reduced to design load in the storage tank 4, storage tank was released energy and energy translate phase end again, finishes whole working cycles.
If during by the operation of part accumulation of energy strategy, 9 working hours of compressor are more random, both continuously-runnings, but also intermitten service, when compressor 9 is worked and is had except that humidity load, weak solution part shunting in the absorption humid air behind the moisture directly enters generation/condenser 14, enters storage tank 4 behind the moisture in the separation solution again, and fill, release and can simultaneously carry out solution storage tank 4 this moment.
Accompanying drawing 2 be a kind of be working solution accumulation of energy air condition by dehumidifying, evaporative cooling unit workflow with the lithium bromide or the lithium chloride aqueous solution.Power conversion in the present embodiment stores and transfer process is identical with embodiment 1 again, the processing procedure that different is to humid air.Only humid air is made dehumidification treatments among the embodiment 1, not only to wanting humid air to make dehumidification treatments, also will be for further processing to the dry air after the dehumidification treatments in this enforcement to satisfy the requirement of air-conditioning system to new wind-warm syndrome, humidity.The humid air processing procedure is in the present embodiment: damp-heat air 22a is after air cleaner 20 purified treatment, can be carried out air fresh air heat exchanger 29 coolings of heat exchange with exhaust, flow through again absorption dehumidifying device 22 dehumidifying and after gas-liquid separator 23 separates, cooled off by aerial cooler 24, be cooled water stream 24a, 24b of the heat of cooling takes away, flow of dried air after the cooling is done damping and further cooling processing through water spraying cooler 25, and the air after final the processing can be used as the new wind of air-conditioning.Can flow automatically gang 16a or the water 27a after purified treatment of the pure water of supplying with water spraying cooler 25 is stored in water tank 27, supplies with water spraying coolers 25 by water pump 28 pressurization backs.
Accompanying drawing 3 be a kind of be working solution accumulation of energy dehumidifying backheat heating air-conditioning/dryer group workflow with the lithium bromide or the lithium chloride aqueous solution.Power conversion in the present embodiment stores and transfer process is identical with embodiment 1 again, the processing procedure that different is to humid air.Only humid air is made dehumidification treatments among the embodiment 1, not only to wanting humid air to make dehumidification treatments, also will be for further processing to the dry air after the dehumidification treatments in this enforcement to satisfy of the requirement of heat supply/drying system to new wind-warm syndrome degree.The humid air processing procedure is in the present embodiment: clammy air 22a is after air cleaner 20 purified treatment, by air heat exchanger 29 heating of recyclable exhaust waste heat, the absorption dehumidifying device 22 of flowing through again dehumidifies and after gas-liquid separator 23 separates, is heated once more by the solution cooler 19 of recyclable solution heat; Do not reach heat supply or dry new wind requirement if go out the air themperature of solution cooler 19 gas sides, then new air heater 31 puts into operation, and drying-air temperature is further raise.
Claims (9)
1. the accumulation of energy dehumidifying/air-conditioning method and the equipment of an accumulation of energy dehumidifying/air-conditioning unit, it is characterized in that: convert electric energy the dehumidification potential of working solution to earlier and store with the form of potential, and then converting humid air dehumidifying institute energy requirement to, working solution quality and concentration are constantly changing in the solution storage tank in conversion process of energy; Power conversion and storage process are implemented as follows:
(A) power conversion and storage tank fill the energy process
(A.1) drive the water vapour of compressor compresses by the electric energy drive motors, its pressure and condensation temperature are improved, convert electric energy to heat energy from the generation/condenser and the attemperator of flowing through;
(A.2) by the higher water vapour condensation in generation/condenser bundles of compressor compression back pressure, liberated heat is passed to the working solution that spray is come by the solution storage tank outside pipe, making water in the working solution constantly be vaporized and be inhaled into compressor compresses, leave generation/condenser working solution rework solution storage tank behind solution heat exchanger, make working solution quality minimizing in the storage tank, solution concentration changes and makes working solution have dehumidification potential;
(A.3) along with power conversion and storage tank fill can process carrying out, the working solution quality constantly reduces in the storage tank, and the dehumidification potential and the temperature of compressor delivery pressure, the interior working solution of storage tank constantly increase, when lithium bromide or lithium chloride concentration were raised to design load in storage tank, power conversion and storage tank filled and can process finish;
(B) dehumidification potential storage process
(B.1) only adopt a solution storage tank, the water of condensation row is to environment in the generation/condenser bundles, and the working solution behind the outer separation of the tube bank moisture is stored in the solution storage tank;
(B.2) the solution storage tank adopts the insulation measure;
(B.3) in storage tank, establish crystalline substance/liquid and separate and molten brilliant device, guarantee to flow out in the lithium-bromide solution of storage tank and do not contain the bromination crystalline lithium;
(C) storage tank release can and energy transfer process again
(C.1) when needs during to air dewetting, the working solution that is stored in the storage tank is directly contacted with the air that will dehumidify by introducing in the dehumidifier except that humidity load control and regulation device and after being cooled, and working solution absorbs airborne moisture and converts dehumidification potential to the dehumidifying energy;
(C.2) working solution that comes out from the absorption dehumidifying device pressurizes through solution pump, a part enters the solution storage tank, make working solution quality increase in the storage tank and the dehumidification potential reduction, another part with from the solution storage tank and by the solution that removes humidity load control and regulation device mixes and be cooled after enter dehumidifier once more, with the sprinkle density of solution in the assurance dehumidifier;
(C.3) the automatic adjusting of control system is shunted the flow-rate ratio that enters solution storage tank and absorption dehumidifying device from the working solution that dehumidifier comes out;
(C.4) storage tank release can and energy again in the transfer process, the working solution quality in the solution storage tank constantly increases, dehumidification potential constantly reduces, when lithium bromide or lithium chloride concentration drop to design load in storage tank, storage tank release can and energy transfer process end again.
2. the accumulation of energy dehumidifying/air-conditioning method and the equipment of a kind of accumulation of energy dehumidifying/air-conditioning unit according to claim 1, it is characterized in that: with lithium bromide or the lithium chloride aqueous solution as working solution, convert electrical energy into the dehumidification potential and the storage of working solution, convert the dehumidification potential that stores to the dehumidifying energy more as required then, its groundwork flow process is: in the low power consumption period, working solution in auxiliary heater (7) the work heating generation/condenser (14) raises the temperature and pressure in generation/condenser (14); Switching/control valve (2) (3) (4) (18) is done suitably to open and close after reaching design work pressure, the weak solution that is stored in the solution storage tank (4) is pressurizeed through solution pump (1) and solution heat exchanger (6), after the heating, spray outside the tube bank (13) of generation/condenser (14) by spray thrower (10), weak solution is heated and is produced the water vapour attemperator (12) of flowing through and mix with the water smoke that spray thrower (11) sprays, after reducing, temperature is introduced into water vapour compression machine (9) compression that drives by motor (8), the condensation in tube bank (13) of water vapour after the compression, condensation heat is passed to the outer weak solution of tube bank (13) as heat takes place, condensed water is lowered the temperature through solution heat exchanger (6), fraction enters attemperator (12) and compressor (9) as cooling fluid by control valve (15), and is most of by drain valve (16) discharge system; The concentrated solution that goes out generation/condenser (14) is also got back in the storage tank (4) after solution heat exchanger (6) cooling; Along with moisture in the working solution is constantly separated and the discharge system, the interior solution quality of storage tank (4) constantly reduces, and solution concentration constantly raises, and dehumidification potential constantly increases; When solution concentration was elevated to design load in the storage tank (4), power conversion and storage tank filled and can finish in the stage, and energy is stored in the solution storage tank with the form of solution dehumidification potential; Storage tank (4) should be taked the insulation measure, in order to avoid solution temperature reduces too many in the potential storage process, separate out too much lithium bromide or lithium chloride crystallization in the solution, and in storage tank (4), establish crystalline substance/liquid separates and molten brilliant device, guarantees to flow out in the solution of storage tank (4) not contain lithium bromide or lithium chloride crystal; When needs carry out dehumidification treatments to humid air, switching/control valve (2) (3) (4) (18) remakes suitable keying, remove humidity load control and regulation devices (17) work, introduce absorption dehumidifying device (22) according to the concentrated solution that the dehumidifying burden requirement will be stored in the storage tank (4); Humid air (22a) is flowed through, and its moisture is by the reduction of working solution absorption humidity in absorption dehumidifying device (22) for filter (20), and the dry air (22b) behind gas-liquid separator (23) can be utilized; Weak solution behind the absorption moisture is through solution pump (1) pressurization and shunting, a part is regulated through switching/control valve (3), enter solution storage tank (4) or be introduced into generation/condenser (14) and then enter storage tank (4), make the interior solution quality of storage tank (4) increase concentration and reduce, dehumidification potential reduces gradually; Another part is regulated through switching/control valve (2), with mix from solution storage tank (4) and by removing the concentrated solution that humidity load controls to adjust devices (17), and after solution cooler (19) cooling, enter absorption dehumidifying device (22) once more, guarantee the sprinkle density of the interior solution of absorption dehumidifying device (22), the cooling heat water stream (19a) that is cooled (19b) is taken away; When solution concentration was reduced to design load in the storage tank (4), storage tank was released energy and energy translate phase end again, thereby finished " power conversion-storage-conversion again " complete working cycles.
3. the accumulation of energy dehumidifying/air-conditioning method and the equipment of a kind of accumulation of energy dehumidifying/air-conditioning unit according to claim 1 and 2, it is characterized in that: only use a working solution storage tank (4) in the unit, storage tank (4) is filled, in the exoergic process, solution quality in the storage tank (4) is constantly changing, promptly the solution quality in the storage tank (4) constantly reduces in filling the energy process, and the solution quality in the storage tank (4) constantly increases in exoergic process.
4. the accumulation of energy dehumidifying/air-conditioning method and the equipment of a kind of accumulation of energy dehumidifying/air-conditioning unit according to claim 1 and 2 is characterized in that: each the switchings/control valve (2) (3) (5) (18) and remove that liquid inventory that humidity load controls to adjust devices (17) changes with solution concentration in the storage tank of flowing through.
5. the accumulation of energy dehumidifying/air-conditioning method and the equipment of a kind of accumulation of energy dehumidifying/air-conditioning unit according to claim 1 and 2, it is characterized in that: power conversion and storage tank fill can process in compressor (9) outlet pressure be a transformation process that constantly raises, occurrence temperature and condensation temperature are alternating temperature processes that constantly raises, and can improve energy conversion efficiency.
6. the accumulation of energy dehumidifying/air-conditioning method and the equipment of a kind of accumulation of energy dehumidifying/air-conditioning unit according to claim 1 and 2, it is characterized in that: be provided with auxiliary heater (7) in generation/condenser (14), this auxiliary heater (7) only is the operating pressure of foundation setting before compressor (9) starts and comes into operation when condensation heat is hot less than generation.
7. the accumulation of energy dehumidifying/air-conditioning method and the equipment of a kind of accumulation of energy dehumidifying/air-conditioning unit according to claim 1 and 2, it is characterized in that: when accumulation of energy dehumidifying/air-conditioning unit moves by part accumulation of energy strategy, compressor (9) is comparatively random running time, can move continuously, also can intermitten service, when compressor (9) operation and unit have except that humidity load, part or all of working solution in the absorption humid air behind the moisture is introduced into generation/condenser (14), enters solution storage tank (4) again behind the removal part moisture.
8. the accumulation of energy dehumidifying/air-conditioning method and the equipment of a kind of accumulation of energy dehumidifying/air-conditioning unit according to claim 1 and 2, it is characterized in that: accumulation of energy dehumidifying/air-conditioning unit is by dehumidifying and cooling air condition when work, dehumidifying and the dry air after cooling processing done the work of water sprinkling for better material moisture cooling handle.
9. the accumulation of energy dehumidifying/air-conditioning method and the equipment of a kind of accumulation of energy dehumidifying/air-conditioning unit according to claim 1 and 2, it is characterized in that: when accumulation of energy dehumidifying/air-conditioning unit is worked by dehumidifying and heating air condition, reclaim and utilize the air of working solution after the heat that the absorption dehumidifying process is produced comes heating and dehumidification.
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| CNB2004100212213A CN100387926C (en) | 2004-04-02 | 2004-04-02 | Accumulation dehumidifying air conditioning method for accumulation dehumidifying air conditioner set, and appts. thereof |
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| CNB2004100212213A CN100387926C (en) | 2004-04-02 | 2004-04-02 | Accumulation dehumidifying air conditioning method for accumulation dehumidifying air conditioner set, and appts. thereof |
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| CN100387926C CN100387926C (en) | 2008-05-14 |
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Cited By (8)
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| CN1322273C (en) * | 2005-08-26 | 2007-06-20 | 清华大学 | Small-sized central air conditioning system with fresh air |
| CN1333206C (en) * | 2005-08-26 | 2007-08-22 | 清华大学 | Heat pump driven energy storage type solution dehumidifying air-conditioning system |
| CN100347499C (en) * | 2005-10-10 | 2007-11-07 | 尹进福 | Double-effect energy-storage method by solution dehumidifying with electric-driven refrigerating compressor |
| EP2020727A1 (en) * | 2007-08-03 | 2009-02-04 | Iveco Motorenforschung AG | An energy storage process and system on a vehicle |
| EP2020728A1 (en) * | 2007-08-03 | 2009-02-04 | Iveco Motorenforschung AG | An energy storage process and system |
| CN102165267A (en) * | 2008-09-16 | 2011-08-24 | 唐纳德·赫布斯特 | Method for operating a sorption air conditioning system with enthalpy heat exchanger for the cyclic humidification and dehumidification of indoor air |
| CN103953992A (en) * | 2014-05-05 | 2014-07-30 | 重庆大学 | Low temperature resistant fuel gas heat pump air-conditioning system combiningwaste heat recovery mode and liquid dehumidification mode |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4205529A (en) * | 1978-12-04 | 1980-06-03 | The United States Of America As Represented By The United States Department Of Energy | LiCl Dehumidifier LiBr absorption chiller hybrid air conditioning system with energy recovery |
| US5070703A (en) * | 1990-02-06 | 1991-12-10 | Battelle Memorial Institute | Hybrid air conditioning system integration |
| JP2769219B2 (en) * | 1990-02-13 | 1998-06-25 | 大阪瓦斯株式会社 | LNG boil-off gas processing method and apparatus |
| US5020334A (en) * | 1990-02-23 | 1991-06-04 | Gas Research Institute | Localized air dehumidification system |
| JP2935654B2 (en) * | 1995-10-02 | 1999-08-16 | 東京瓦斯株式会社 | Absorption chiller / heater and operation control method thereof |
| DE19845361A1 (en) * | 1998-10-02 | 2000-04-06 | Inst Luft Kaeltetech Gem Gmbh | Operating combined energy compound system, especially for coupled cold, heat, power generation involves dividing coolant-rich flow with smaller/larger flow in high/low temp. circuits |
| CN1117254C (en) * | 2000-09-14 | 2003-08-06 | 东南大学 | Environment protection type energy-saving efficient air conditioner using solution to accumualte energy |
| CN1186578C (en) * | 2002-08-06 | 2005-01-26 | 大连理工大学 | Refrigerating/heating latent-energy storing technology |
-
2004
- 2004-04-02 CN CNB2004100212213A patent/CN100387926C/en not_active Expired - Fee Related
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| CN1322273C (en) * | 2005-08-26 | 2007-06-20 | 清华大学 | Small-sized central air conditioning system with fresh air |
| CN1333206C (en) * | 2005-08-26 | 2007-08-22 | 清华大学 | Heat pump driven energy storage type solution dehumidifying air-conditioning system |
| CN100347499C (en) * | 2005-10-10 | 2007-11-07 | 尹进福 | Double-effect energy-storage method by solution dehumidifying with electric-driven refrigerating compressor |
| EP2020727A1 (en) * | 2007-08-03 | 2009-02-04 | Iveco Motorenforschung AG | An energy storage process and system on a vehicle |
| EP2020728A1 (en) * | 2007-08-03 | 2009-02-04 | Iveco Motorenforschung AG | An energy storage process and system |
| CN102165267A (en) * | 2008-09-16 | 2011-08-24 | 唐纳德·赫布斯特 | Method for operating a sorption air conditioning system with enthalpy heat exchanger for the cyclic humidification and dehumidification of indoor air |
| CN103953992A (en) * | 2014-05-05 | 2014-07-30 | 重庆大学 | Low temperature resistant fuel gas heat pump air-conditioning system combiningwaste heat recovery mode and liquid dehumidification mode |
| CN104534731A (en) * | 2014-11-28 | 2015-04-22 | 浙江理工大学 | Cold and heat energy storing and conversion system and method |
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| CN100387926C (en) | 2008-05-14 |
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