CN101975421A - Heat pump-driven membrane-type liquid dehumidification and energy storage device - Google Patents
Heat pump-driven membrane-type liquid dehumidification and energy storage device Download PDFInfo
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- CN101975421A CN101975421A CN 201010291776 CN201010291776A CN101975421A CN 101975421 A CN101975421 A CN 101975421A CN 201010291776 CN201010291776 CN 201010291776 CN 201010291776 A CN201010291776 A CN 201010291776A CN 101975421 A CN101975421 A CN 101975421A
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Abstract
The invention discloses a heat pump-driven membrane-type liquid dehumidification and energy storage device which comprises a dehumidification solution storage tank, a solution pump, a dehumidifier, a first heat exchanger, a fan, a regenerator and a heat pump. The heat pump is a closed circulation loop composed of an evaporator, a compressor, a condenser, a refrigerant reservoir and an expansion valve or a capillary tube which are connected in turn; the dehumidification solution storage tank is connected with the dehumidifier through the solution pump; the dehumidifier is connected with the first heat exchanger and the condenser of the heat pump in turn and then is connected with the liquid inlet of the regenerator; the liquid outlet of the regenerator is connected with the first heat exchanger and the evaporator of the heat pump in turn and then is connected with the dehumidification solution storage tank; the air inlets of the dehumidifier and the regenerator are both connected with the fan; and the dehumidifier and the regenerator are both membrane components capable of isolating the dehumidification solution flowing through the membrane components from the air. The membrane has selective permeability, only allows steam to permeate and can effectively prevent the tiny droplets of the dehumidification solution from being carried in the air; and moreover, the device has the advantage of high utilization rate of energy.
Description
Technical field
The present invention relates to a kind of dehumidifying and energy storage equipment, specifically is heat pump driven membrane type liquid dehumidifying and energy storage equipment, can realize the processing of sensible heat and latent heat simultaneously to handling air.
Background technology
Therefore air humidity need take effective measures the humidity that guarantees air and meet the requirements the healthy important influence of human body.Studies show that the relative humidity that human body is fit to is 40-60%, too high humidity environment can increase the discomfort of human body, also can cause a large amount of breedings of some virus of interior of building and bacterium.Particularly at China's southern area, weather is hot moist, often brings the sensation of sultry humidity to the mankind.In order to build suitable indoor relative humidity environment, therefore the health of protection human body be necessary air is dehumidified.
Traditional air dehumidification method comprises cooling method dehumidifying, solid absorbent dehumidifying and liquid desiccant dehumidifying.Cooling method dehumidifying is that humid air is cooled to below the dew-point temperature, removes from air after making airborne water vapor condensation.The cooling method dehumidifying can not reach very low dew point, and it need consume lot of energy and cool off air, makes water vapor condensation and takes away the latent heat that vaporization produces.The solid absorbent dehumidifying is to utilize the method for some solid absorbent moisture absorption to dehumidify.Some solid absorbent such as silica gel, aluminium oxide, calcium chloride etc. have strong suction-operated to steam, and when humid air flow through these hygroscopic agents and piles up the fluid bed that forms, airborne steam just was removed, and reaches the purpose of dehumidifying.The disadvantage of solid absorption dehumidifying is these solid absorbent regeneration difficulties, and the moisture absorption dehydrating unit is generally all very complicated, and the volume ratio of equipment is huger, and cost is also high, and these reasons make their application be subjected to certain restriction.The liquid desiccant dehumidifying is to utilize some to have hygroscopic solution to absorb airborne moisture and reach the dehumidifying purpose.Liquid dehumidifying regeneration easily, shortcoming is to handle air directly to contact with liquid desiccant, causes that easily air carries hygroscopic agent secretly, further causes the corrosion of pipeline and equipment.
Notification number is that CN1609493A Chinese invention patent ublic specification of application has been mentioned a kind of air dewetting cooling device with recuperation of heat.This invention comprises the multistage air dehumidifier of forming, indirect evaporation cooler and the air-water-to-water heat exchanger by dehumidifying template and plate type heat exchanger.By the dry air of the heat after the dehumidifying of multi-staged air dehumidifier, be cooled through air-water-to-water heat exchanger through the cold water that is lower than indoor return air wet-bulb temperature with the indirect evaporation cooler preparation.Notification number is that CN16210564A Chinese invention patent ublic specification of application discloses a kind of can the dehumidifying simultaneously and the method and apparatus of the air conditioning of lowering the temperature, promptly utilize the dehumidifying of dehumidifying liquid, utilize compression heat pump cooling and dehumidifying liquid simultaneously, and then in the dehumidifying of dehumidifying liquid, the cooling air; The condensation heat that compression heat pump is discharged be used to the to dehumidify regeneration of liquid.Notification number is that CN1609493A China utility model patent is mentioned a kind of device that air-conditioning is regulated the field, especially a kind of evaporative cooling solar powered fluid dehumidification air conditioner device of relating to.This dehydrating unit utilizes packed tower as dehumidifier and regenerator, and solar thermal collector is connected with solution regeneration system, liquid dehumidification system and direct evaporative cooler, has made full use of the lower characteristics of indoor wet-bulb temperature.Notification number is that CN2814209Y China utility model patent discloses a kind of heat pump driven energy storage type solution dehumidifying air-conditioning system, though be that heat pump drives, does not have full recuperation of heat, and efficient is very low.
The common drawback of the disclosed dehydrating unit of above-mentioned patented technology is to handle air directly to contact with dehumidification solution, and air can be carried secretly in the fine droplet inlet chamber of dehumidification solution, brings indoor corrosion, thereby causes the infringement to inside plant.And do not have full recuperation of heat, efficient is very low.
Summary of the invention
The objective of the invention is to overcome the shortcoming and defect that the drop that exists in the prior art is carried secretly, a kind of heat pump driven membrane type liquid dehumidifying and energy storage equipment are provided; Dehumidifier can be plate type membrane component, plate-fin membrane module or hollow fiber film assembly dehumidifier.Regenerator also can be board-like, plate-fin or hollow fiber film assembly.Dehumidifier made by membrane module and regenerator carries out the noncontact dehumidifying to air, and drives with heat pump.Solution after the regeneration is stored in the solution reservoir, plays accumulation of energy.This device can be realized looking through the solution temperature behind the heat pump handling the adjusting of air themperature and humidity simultaneously, can realize as refrigeration, dehumidifying; Heating, dehumidifying; Isothermal dehumidifying etc.
Purpose of the present invention realizes by following proposal:
A kind of heat pump driven membrane type liquid dehumidifying and energy storage equipment, comprise dehumidification solution reservoir, solution pump, dehumidifier, heat exchanger, blower fan, regenerator and heat pump, described heat pump is the closed circulation loop that is linked to each other successively and constituted by evaporimeter, compressor, condenser, cold-producing medium reservoir and expansion valve or capillary; Described dehumidification solution reservoir is connected with the inlet of dehumidifier through solution pump, the liquid outlet of dehumidifier is connected with the inlet of regenerator after connecting the condenser of first heat exchanger, heat pump successively, and the liquid outlet of regenerator is connected with the dehumidification solution reservoir after connecting the evaporimeter of first heat exchanger, heat pump successively; The air inlet of described dehumidifier and regenerator all links to each other with blower fan; Described dehumidifier and regenerator are membrane module, and dehumidification solution and air that the film in the described membrane module will be flowed through in the membrane module are isolated, and described film has the selection permeability, only allows steam to see through.
Preferably, also be connected second heat exchanger between described condenser and first heat exchanger, the exhaust outlet of described regenerator links to each other with second heat exchanger, and this second heat exchanger is used for the waste heat of reclaiming device air draft.
Preferably, described second heat exchanger is a fin-tube type heat exchanger.
Preferably, also be connected a total-heat exchanger between the air inlet of described dehumidifier and the blower fan, another air inlet of this total-heat exchanger also connects an air-introduced machine, and described total-heat exchanger is a membrane module.
Preferably, described membrane module is plate type membrane component, plate-fin membrane module or hollow fiber film assembly; When membrane module is plate type membrane component or plate-fin membrane module, dehumidification solution and air intersection PARALLEL FLOW or adverse current; When membrane module was hollow fiber film assembly, dehumidification solution was walked tube side, and air is walked shell side, and perhaps dehumidification solution is walked shell side, and air is walked tube side, perhaps air and dehumidification solution cross flow one.
Preferably, described plate type membrane component is formed by stacking by multilayer parallel plate type film, supports the rectangularl runner that is parallel to each other by sealing strip between each layer parallel plate type film, and rectangularl runner is arranged in the interlaced mode of flow channel for liquids and air flow channel, air and dehumidifying liquid cross flow one, tunicle separates.Described sealing strip can be anti-corrosion type plastic strip or other anti-corrosion type supporters.
Preferably, described plate-fin membrane module is formed by stacking by multilayer parallel plate type film, supports by the corrugated plating wing between each layer parallel plate type film, forms triangle, sinusoidal pattern or rectangularl runner, and the corrugated plating wing can be triangle, sinusoidal pattern, rectangle etc.Air and dehumidifying liquid cross flow one, tunicle separates.
Preferably, described hollow fiber film assembly includes deflection plate adverse current (following current), no baffle plate adverse current (following current) and no baffle plate cross-current.
Described no baffle plate adverse current (following current) hollow fiber film assembly comprises housing and hollow-fibre membrane, place, two ends, the left and right sides in the described housing respectively is provided with end socket, two ends, the housing left and right sides are blocked up, perforate on the end socket, hollow-fibre membrane passes end socket by the hole on the end socket, and hollow-fibre membrane is fixed on enclosure interior; The two ends, the left and right sides of described housing are respectively equipped with the tube side runner and import and export; Housing between two end sockets is respectively equipped with the shell side runner up and down and imports and exports, two end sockets about described shell side runner import and export are close respectively.Described hollow fiber film assembly can be that air is walked shell side, and liquid is walked tube side; Also can be that air is walked tube side, liquid be walked shell side.
Compare with above-mentioned no baffle plate adverse current (following current) hollow fiber film assembly, described have the housing centre of deflection plate adverse current (following current) hollow fiber film assembly also to be provided with deflection plate, has the through hole that passes for hollow-fibre membrane on the deflection plate.
Described no baffle plate cross-current hollow fiber film assembly comprises housing and hollow-fibre membrane, place, two ends, the left and right sides in the described housing respectively is provided with end socket, two ends, the housing left and right sides is blocked up perforate on the end socket, hollow-fibre membrane passes end socket by the hole on the end socket, and hollow-fibre membrane is fixed on enclosure interior; The two ends, the left and right sides of described housing are respectively equipped with the tube side runner and import and export; Housing between two end sockets is respectively equipped with the shell side runner up and down and imports and exports, the line right-angled intersection that line that described tube side runner is imported and exported and shell side runner are imported and exported.Air and dehumidifying liquid flow in the mode of cross-current.Described hollow fiber film assembly can be that air is walked shell side, and liquid is walked tube side; Also can be that air is walked tube side, liquid be walked shell side.
Plate type membrane component and plate-fin assembly are made of a plurality of air flow channels and flow channel for liquids.Wherein, length and width height, width of flow path, runner number can design according to specific requirement.Plate type membrane component and plate-fin assembly can require any direction to settle (referring to Fig. 7) according to concrete experimental rig.
The filling structure of tunica fibrosa can be square or distributed rectangular, triangle distribution and random distribution (ginseng Figure 11) in the hollow fiber film assembly.
When plate type membrane component, plate-fin assembly and hollow fiber film assembly were made dehumidifier, dehumidification solution equilibrium water vapour pressure was littler than water in air partial vapour pressure.Described film is selection permeability film, air vapor meeting selective permeation film, and the opposite side of arrival film is absorbed by dehumidification solution, realizes dehumidifying.Dehumidification solution becomes weak solution after absorbing steam, in order to realize the continuous dehumidifying of this experimental provision, must regenerate to dehumidification solution.This device can use plate type membrane component, plate-fin membrane module or hollow fiber film assembly as regenerator equally.Dehumidification solution and air tunicle are isolated.When dehumidification solution is heated to regeneration temperature, dehumidification solution equilibrium water vapour pressure is bigger than steam partial pressure in the regeneration air, and under steam partial pressure pressure reduction motive force, dehumidification solution side steam sees through film and enters in the regeneration air, be reproduced absorption of air, dehumidification solution becomes concentrated solution.Cooling then flows into the dehumidification solution reservoir.The dehumidification solution reservoir can be used as accumulator, and the solution energy is stored.
This device when air is dehumidified, is looked solution temperature difference wherein in membrane module, can realize refrigeration, heating or the isothermal processes of air themperature.Promptly handle air and can in dehumidifying, realize refrigeration, heating or isothermal conversion.
Dehumidifying of the present invention and energy storage equipment can use indoor exhaust wind or outdoor new wind to make regeneration air.When using outdoor new wind to make regeneration air, the whole system device is placed on outdoor or indoor, and the new wind that comes out from the dehumidifying air outlet is low temperature and low humidity, directly sends into indoor for utilization as air-supply; When using outdoor air draft to make regeneration air, regenerator is connected with indoor, carries the blower fan placement of regeneration air (indoor exhaust wind) indoor, and other equipment are placed outdoor, and perhaps whole device is all placed outdoor, by air-introduced machine room air is sent into regenerator.Directly send into indoor from the new wind that the dehumidifier air outlet comes out for utilization as air-supply.Dehumidification system of the present invention and device thereof can enter indoor exhaust wind and outdoor new wind the film total-heat exchanger and carry out that heat is wet to be reclaimed, and the new wind that comes out from total-heat exchanger enters dehumidifier again and dehumidifies.From the indoor exhaust wind that total-heat exchanger comes out,, drain as waste gas.Simultaneously, plate type membrane component, plate-fin membrane module and hollow fiber film assembly all can be used as total-heat exchanger, reclaim the sensible heat and the latent heat of indoor exhaust wind, make full use of the energy.
Dehumidification system of the present invention and device thereof utilize compression heat pump driving the carrying out regeneration of dehumidification solution.Condenser directly as regeneration thermal source heating and dehumidification solution, makes the dehumidification solution temperature be increased to renewable temperature in the heat pump.Evaporimeter makes the temperature that dehumidification solution is cooled to be needed directly as low-temperature receiver cooling and dehumidifying solution in the heat pump.Look the difference of this solution temperature, air-treatment to needed temperature, in dehumidifying, is realized the adjusting of air themperature.Both regulate humidity, regulated temperature again.Described dehumidifying liquid is triethylene glycol, diethylene glycol (DEG), LiCl solution, LiBr solution, CaCl
2The mixed liquor of one or more in the solution, the solution equilibria water vapor pressure is littler than water in air partial vapour pressure, and these solution have strong water imbibition as dehumidizer.
Described film can be hydrophilic membrane, hydrophobic film, hydrophilic-hydrophobic composite membrane, also can be dense film, perforated membrane, and porous-fine and close composite membrane; Also can be organic film, inoranic membrane and hybrid organic-inorganic film.Described film has the selection permeability, only allows seeing through of steam, and stops seeing through of other gases and liquid.
Operation principle of the present invention is:
(1) dehumidification process: by blower fan, outdoor air is admitted to dehumidifier.Flow in the air flow channel in dehumidifier, dehumidification solution flows in the flow channel for liquids of dehumidifier.Air and dehumidification solution tunicle separate, because described film has the selection permeability.Air and dehumidification solution dehumidify to air by film.From the air low temperature low humidity that dehumidifier comes out, directly send into indoor utilization as air-supply.Solution after the dehumidifying becomes the solution of dilute concentration, discharges from the dehumidifier leakage fluid dram, enters the solution regeneration stage.Regulate the temperature of solution in the above-mentioned dehumidifier, can realize to handling the adjusting of air themperature, as cooling, heating etc.
(2) dehumidification solution regenerative process: the dehumidification solution of discharging from the dehumidifier leakage fluid dram is a weak solution, and regeneration need be heated to renewable temperature (40-120 degree).Condenser directly as regeneration thermal source heating and dehumidification solution, makes the dehumidification solution temperature be increased to renewable temperature in the heat pump.Then, dehumidification solution is admitted to regenerator, and regeneration air and dehumidification solution tunicle separate.Dehumidification solution is (50～120 ℃) at high temperature, and the solution equilibria steam partial pressure is bigger than water in air partial vapour pressure, and solution side surface water steam sees through film and enters air side, by absorption of air.The dehumidification solution that comes out from regenerator directly is cooled to the temperature (10-30 ℃) that needs as low-temperature receiver with evaporimeter the heat pump, realizes the regeneration of dehumidification solution.At last, the solution after the regeneration is admitted to the dehumidification solution reservoir.Reservoir stores the dehumidification solution energy as accumulator, uses for dehumidifying later on.
The concrete course of work is as follows: 1. the superheated liquid cold-producing medium absorbs the heat of cryogenic object in evaporimeter, flashes to refrigerant gas.2. the refrigerant gas that comes out of evaporimeter becomes the refrigerant gas of HTHP through the compression of compressor.3. the refrigerant gas of HTHP discharges heat energy to high temp objects in condenser, self becomes high pressure refrigerant liquid simultaneously.4. high pressure refrigerant liquid reduces pressure in expansion valve, becomes the vapour-liquid two-phase fluid again, enters evaporimeter, and initial process circulates.
The present invention compared with prior art has following advantage:
(1) can realize dehumidifying better: in existing liquid dehumidification system to air, because solution directly contacts with air, when air velocity was big, air tended to carry secretly a certain amount of drop, these drops can cause the corrosion of equipment and furniture, influence indoor air quality.The present invention has overcome this shortcoming, and air and dehumidification solution tunicle separate, and can prevent effectively that drop from entering air-flow.
(2) capacity usage ratio height: this device utilizes the compression heat pump condenser as the direct heating and dehumidification solution of regeneration thermal source, and evaporator with heat pump is as the direct cooling and dehumidifying solution of low-temperature receiver.Simultaneously, this device can be realized the recovery of dehumidification solution heat and regeneration air waste heat.The dehumidification solution reservoir adopts full recuperation of heat, reduces condensation temperature, has reduced energy consumption of compressor, has improved efficient.Reservoir can be used as accumulator and uses, and the solution after the regeneration is stored in the accumulator, is provided with back air dewetting and uses.Therefore, this dehumidifying and energy storage equipment capacity usage ratio height.
(3) aerial temperature and humidity is conditioned simultaneously.This device when air is dehumidified, is looked solution temperature difference wherein in membrane module, can realize refrigeration, heating or the isothermal processes of air themperature.Promptly handle air and can in dehumidifying, realize refrigeration, heating or isothermal conversion.
Description of drawings
Fig. 1 is that outdoor new wind is made the heat pump driven membrane type liquid dehumidifying of regeneration air and the structural representation of energy storage equipment;
Fig. 2 is that indoor exhaust wind is made the heat pump driven membrane type liquid dehumidifying of regeneration air and the structural representation of energy storage equipment;
Fig. 3 is the heat pump driven membrane type liquid dehumidifying of reclaiming device air draft waste heat and the structural representation of energy storage equipment;
Fig. 4 is the structural representation of heat pump driven membrane type liquid dehumidifying of full recovery type heat and energy storage equipment;
Fig. 5 is Fig. 1 to dehumidifier shown in Figure 4 (or regenerator) flow passage structure schematic diagram during for plate type membrane component;
Fig. 6 is Fig. 1 to film dehumidifier shown in Figure 4 (or regenerator) flow passage structure schematic diagram during for the plate-fin membrane module;
Fig. 7 is Fig. 5 and plate type membrane component shown in Figure 6 and plate-fin membrane module profile schematic diagram;
Fig. 8 is the internal structure schematic diagram when to be Fig. 1 to dehumidifier shown in Figure 4 (or regenerator) have the deflection plate hollow fiber film assembly for housing;
Fig. 9 is Fig. 1 to dehumidifier shown in Figure 4 (or regenerator) internal structure schematic diagram during for housing no baffle plate hollow fiber film assembly;
Figure 10 is Fig. 1 to dehumidifier shown in Figure 4 (or regenerator) internal structure schematic diagram during for the distributary hollow fiber film assembly;
Figure 11 is tunica fibrosa filling structure schematic diagram when to be Fig. 8 to dehumidifier shown in Figure 10 and regenerator be hollow fiber film assembly; Tunica fibrosa is that (a) square or distributed rectangular, (b) triangle distribute and (c) random distribution.
The specific embodiment
Below in conjunction with specific embodiment the present invention is done further concrete detailed description the in detail, but embodiments of the present invention are not limited thereto, the technological parameter for not indicating especially can carry out with reference to routine techniques.
Embodiment 1
As shown in Figure 1, heat pump driven membrane type liquid dehumidifying device of the present invention comprises dehumidifier 17, regenerator 3, condenser 7, evaporimeter 11, compressor 9, expansion valve 10, cold-producing medium reservoir 8, solution pump 14 and dehumidification solution reservoir 13.Described dehumidifier 17 is connected with first blower fan 15 by air inlet 16, also is connected with the inlet 6 of heat exchanger 12, condenser 7, regenerator 3 successively by dehumidifier liquid outlet 18; Described regenerator 3 is connected with second blower fan 5 by air inlet 4, and regenerator liquid outlet 2 is connected with the inlet 20 of heat exchanger 12, evaporimeter 11, dehumidification solution reservoir 13, solution pump 14, dehumidifier 17 successively; Described condenser 7, cold-producing medium reservoir 8, expansion valve 10, evaporimeter 11 and compressor 9 constitute the circuit cycle of a sealing, form a compression heat pump, and cold-producing medium working medium is walked in pipeline inside.
Described dehumidifier 17 and regenerator 3 are plate type membrane component.
As shown in Figure 5, described plate type membrane component is formed by stacking by multilayer parallel plate type film 31, and sealed 33 supports the rectangularl runner that is parallel to each other between each layer parallel plate type film 31, and rectangularl runner is arranged in the mode that flow channel for liquids and air flow channel interlock up and down.Dehumidification solution is entered by the inlet 29 of flow channel for liquids, is discharged by liquid outlet 32; Air is entered by the air inlet 30 of air flow channel, is discharged by exhaust outlet 34.Dehumidification solution and air are separated by parallel plate type film 31.
As shown in Figure 1, during to air dewetting, outdoor new wind is sent in the dehumidifier 17 by air inlet 16 by first blower fan 15.LiCl solution enters dehumidifier 17 by inlet 20.Separate by film between air and the LiCl solution.Described film has the selection permeability, only allows seeing through of steam, and stops seeing through of other gases and LiCl solution.LiCl solution equilibria steam partial pressure is little, has hygroscopicity.Under the mass transfer force of steam pressure reduction, dehumidifier 17 air side steam see through film and enter solution side, are absorbed by LiCl solution.The new wind of the low temperature and low humidity of discharging from dehumidifier 17 exhaust outlets 19 is directly sent into indoor for utilization.LiCl solution has absorbed airborne steam in dehumidifier 17, become weak solution.In order to guarantee that this dehumidification system dehumidifies continuously, need be to rare LiCl solution regeneration.To the regeneration of LiCl solution, need heating earlier.The LiCl solution that comes out from dehumidifier 17 liquid outlets 18 enters dividing wall type heat exchanger 12 and preheats, and enters heat pump condenser 7 again, is heated to renewable temperature, enters regenerator 3 by inlet 6 then.Outdoor new wind is as regeneration air.Outdoor new wind is sent into air in the regenerator 3 by air inlet 4 by second blower fan 5.LiCl solution is (50～120 ℃) at high temperature, and the solution equilibria steam partial pressure is bigger than water in air partial vapour pressure.Under steam pressure reduction promoted, LiCl solution surface steam saw through film and enters air side in the regenerator 3, and by absorption of air, LiCl solution has become concentrated solution again by weak solution.Pre-cooled from the LiCl solution that regenerator 3 liquid outlets 2 come out through dividing wall type heat exchanger 12, enter the temperature that evaporator with heat pump 11 is cooled to be needed then, realized the regeneration of LiCl solution.At last, the LiCl solution that comes out from evaporator with heat pump 11 enters reservoir 13.Reservoir 13 stores dehumidification solution as accumulator, is provided with the back dehumidifying and uses.At this moment, this dehumidification system has been finished the process of air dewetting and solution regeneration, and so circulation can realize continuous dehumidifying repeatedly.Look the difference of dehumidification solution temperature in the dehumidifier, can realize simultaneously handling cooling or the heating or the isothermal processes of air.
The difference of present embodiment and embodiment 1 is:
As shown in Figure 2, indoor exhaust wind is as regeneration air, and at this moment, the air inlet 4 of regenerator 3 is connected with air-introduced machine 21.Regeneration air (indoor exhaust wind) is sent in the regenerator 3 by air-introduced machine 21, from the wind that regenerator 3 exhaust outlets 1 come out, as waste gas, drains.
The difference of present embodiment and embodiment 2 is:
The dehumidifying and the waste heat of energy storage equipment reclaiming device air draft as shown in Figure 3.Dehumidification solution elder generation process fin-tube type heat exchanger 22 (second heat exchanger) from dividing wall type heat exchanger 12 comes out enters heat pump condenser 7 again.The wind that comes out from regenerator 3 exhaust outlets 1 is through fin-tube type heat exchanger 22 (second heat exchanger), and the wind that comes out from fin-tube type heat exchanger 22 (second heat exchanger) is drained as waste gas.In fin-tube type heat exchanger 22, dehumidification solution is walked tube side, and air is walked the fin side, and the waste heat of regenerator air draft is reclaimed by fin-tube type heat exchanger 22.
Present embodiment is with the difference of embodiment 1:
As shown in Figure 4, present embodiment is the heat pump driven membrane type liquid dehumidifying of a full recovery type heat device, and this device also comprises total-heat exchanger 23.Second air inlet 28 of described total-heat exchanger 23 is connected with air-introduced machine 27, and first air inlet 25 of total-heat exchanger 23 is connected with blower fan 26.Described total-heat exchanger 23 is a hollow fiber film assembly.
As shown in Figure 8, described hollow fiber film assembly comprises housing 43 and hollow-fibre membrane 46, place, two ends, the left and right sides in the described housing 43 respectively is provided with end socket 44, two ends, the housing left and right sides are blocked up, perforate on the end socket 44, hollow-fibre membrane 46 passes end socket by the hole on the end socket 44, and hollow-fibre membrane 46 is fixed on housing 43 inside; The two ends, the left and right sides of described housing are respectively equipped with the tube side runner and import and export 41,45; Housing 43 between two end sockets 44 is respectively equipped with the shell side runner up and down and imports and exports 48,42.Housing intermediate arrangement deflection plate 47 is also opened many holes above it, hollow-fibre membrane 46 passes these holes, and is fixed up.Wherein, hollow fiber film assembly tunica fibrosa filling structure is shown in Figure 11 (a), and tunica fibrosa 46 is distributed rectangular.
Fluid in the pipe is called tube side, and the outer fluid of pipe is called shell side.Dehumidification solution is walked tube side, and air is walked shell side, and air enters the housing 43 from shell side runner import 48, flows out housing 43 from shell side runner exit 42; Dehumidification solution enters housing 43 from tube side runner import 41, flows out housing 43 from tube side runner exit 45.Air wriggles under the deflection plate effect and flows, and fully contacts with film.
As shown in Figure 4, during to air dewetting, indoor exhaust wind is sent into total-heat exchanger 23 by second air inlet 28 by air-introduced machine 27.Outdoor new wind is sent into total-heat exchanger 23 by first air inlet 25 by blower fan 26.The wind that comes out from the exhaust outlet 24 of total-heat exchanger 23 is drained as waste gas.Send into dehumidifier 17 from the new wind that total-heat exchanger 23 comes out by air inlet 16.Directly send into indoor from the wind that dehumidifier 17 exhaust outlets 19 come out as air-supply for utilization.
The difference of present embodiment and embodiment 2 is:
Dehumidification solution is a LiBr solution, and dehumidifier 17 uses housing that the hollow fiber film assembly of deflection plate is arranged.
As shown in Figure 8, described hollow fiber film assembly comprises housing 43 and hollow-fibre membrane 46, place, two ends, the left and right sides in the described housing 43 respectively is provided with end socket 44, two ends, the housing left and right sides are blocked up, perforate on the end socket 44, hollow-fibre membrane 46 passes end socket by the hole on the end socket 44, and hollow-fibre membrane 46 is fixed on housing 43 inside; The two ends, the left and right sides of described housing are respectively equipped with the tube side runner and import and export 41,45; Housing 43 between two end sockets 44 is respectively equipped with the shell side runner up and down and imports and exports 48,42.Housing intermediate arrangement deflection plate 47 is also opened many holes above it, hollow-fibre membrane 46 passes these holes, and is fixed up.Wherein, hollow fiber film assembly tunica fibrosa filling structure is shown in Figure 11 (b), and tunica fibrosa 46 is that triangle distributes.
Fluid in the pipe is called tube side, and the outer fluid of pipe is called shell side.Dehumidification solution is walked tube side, and air is walked shell side, and air enters the housing 43 from shell side runner import 48, flows out housing 43 from shell side runner exit 42; Dehumidification solution enters housing 43 from tube side runner import 41, flows out housing 43 from tube side runner exit 45.Air wriggles under the deflection plate effect and flows, and fully contacts with film.
Present embodiment is with the difference of embodiment 3:
Dehumidification solution is CaCl
2Solution, dehumidifier 17 uses plate parachute assembly.
As shown in Figure 6, described plate-fin membrane module is formed by stacking by multilayer parallel plate type film 37, supports by corrugated plating wing 40 between each layer parallel plate type film, forms the triangle runner.Corrugated plating wing 40 is a triangle.Dehumidification solution is entered by inlet 35, is discharged by liquid outlet 38; Air is entered by air inlet 36, is discharged by exhaust outlet 39.Also can enter by air inlet 35 by air, discharge by exhaust outlet 38; Dehumidification solution is entered by inlet 36, is discharged by liquid outlet 39.Dehumidification solution and air tunicle 37 separate.
Present embodiment is with the difference of embodiment 4:
Dehumidification solution is LiCl solution, LiBr solution and CaCl
2The solution mixed liquor, dehumidifier 17 uses plate parachute assembly, and regenerator 3 also uses hollow fiber film assembly.
As shown in Figure 6, described plate-fin membrane module is formed by stacking by multilayer parallel plate type film 37, supports by corrugated plating wing 40 between each layer parallel plate type film, forms the sinusoidal pattern runner.Corrugated plating wing 40 is a sinusoidal pattern.Dehumidification solution is entered by inlet 35, is discharged by liquid outlet 38; Air is entered by air inlet 36, is discharged by exhaust outlet 39.Also can enter by air inlet 35 by air, discharge by exhaust outlet 38; Dehumidification solution is entered by inlet 36, is discharged by liquid outlet 39.Dehumidification solution and air tunicle 37 separate.
The difference of present embodiment and embodiment 3 is:
Dehumidification solution is a triethylene glycol, and regenerator 3 uses the no baffle plate hollow fiber film assembly.
As shown in Figure 9, described hollow fiber film assembly comprises housing 43 and hollow-fibre membrane 46, place, two ends, the left and right sides in the described housing 43 respectively is provided with end socket 44, two ends, the housing left and right sides are blocked up, perforate on the end socket 44, hollow-fibre membrane 46 passes end socket by the hole on the end socket 44, and hollow-fibre membrane 46 is fixed on housing 43 inside; The two ends, the left and right sides of described housing are respectively equipped with the tube side runner and import and export 41,45; Housing 43 between two end sockets 44 is respectively equipped with the shell side runner up and down and imports and exports 48,42.Wherein, hollow fiber film assembly tunica fibrosa filling structure is shown in Figure 11 (c), and tunica fibrosa 46 is random distribution.
Fluid in the pipe is called tube side, and the outer fluid of pipe is called shell side.Dehumidification solution is walked tube side, and air is walked shell side, and air enters the housing 43 from shell side runner import 48, flows out housing 43 from shell side runner exit 42; Dehumidification solution enters housing 43 from tube side runner import 41, flows out housing 43 from tube side runner exit 45.Air wriggles under the deflection plate effect and flows, and fully contacts with film.
The difference of present embodiment and embodiment 3 is:
Dehumidification solution is a diethylene glycol (DEG), and dehumidifier 17 uses hollow fiber film assembly, and regenerator 3 uses the plate-fin membrane module.
As shown in Figure 8, described hollow fiber film assembly comprises housing 43 and hollow-fibre membrane 46, place, two ends, the left and right sides in the described housing 43 respectively is provided with end socket 44, two ends, the housing left and right sides are blocked up, perforate on the end socket 44, hollow-fibre membrane 46 passes end socket by the hole on the end socket 44, and hollow-fibre membrane 46 is fixed on housing 43 inside; The two ends, the left and right sides of described housing are respectively equipped with the tube side runner and import and export 41,45; Housing 43 between two end sockets 44 is respectively equipped with the shell side runner up and down and imports and exports 48,42.Housing intermediate arrangement deflection plate 47 is also opened many holes above it, hollow-fibre membrane 46 passes these holes, and is fixed up.Wherein, hollow fiber film assembly tunica fibrosa filling structure is shown in Figure 11 (a), and tunica fibrosa 46 is square profile.
Fluid in the pipe is called tube side, and the outer fluid of pipe is called shell side.Dehumidification solution is walked shell side, and air is walked tube side, and dehumidification solution enters the housing 43 from shell side runner import 48, flows out housing 43 from shell side runner exit 42; Air enters housing 43 from tube side runner import 41, flows out housing 43 from tube side runner exit 45.Dehumidification solution wriggles under the deflection plate effect and flows, and fully contacts with film.
As shown in Figure 6, described plate-fin membrane module is formed by stacking by multilayer parallel plate type film 37, supports by corrugated plating wing 40 between each layer parallel plate type film, forms rectangularl runner.Corrugated plating wing 40 is a rectangle.Dehumidification solution is entered by inlet 35, is discharged by liquid outlet 38; Air is entered by air inlet 36, is discharged by exhaust outlet 39.Also can enter by air inlet 35 by air, discharge by exhaust outlet 38; Dehumidification solution is entered by inlet 36, is discharged by liquid outlet 39.Dehumidification solution and air tunicle 37 separate.
The difference of present embodiment and embodiment 4 is:
As seen from Figure 10, described no baffle plate cross-current hollow fiber film assembly comprises housing 43 and hollow-fibre membrane 46, place, two ends, the left and right sides in the described housing 43 respectively is provided with end socket 44, two ends, the housing left and right sides are blocked up, perforate on the end socket 44, hollow-fibre membrane 46 passes end socket by the hole on the end socket 44, and hollow-fibre membrane 46 is fixed on housing 43 inside; The two ends, the left and right sides of described housing are respectively equipped with the tube side runner and import and export 41,45; Housing 43 between two end sockets 44 is respectively equipped with the shell side runner up and down and imports and exports 48,42, and the line and the shell side runner of described tube side runner import and export 41,45 are imported and exported 48,42 line right-angled intersection.Air is walked shell side, and liquid is walked tube side, and air and dehumidifying liquid flow in the mode of cross-current.
The difference of present embodiment and embodiment 4 is:
The difference of present embodiment and embodiment 4 is:
As shown in Figure 9, described no baffle plate hollow fiber film assembly comprises housing 43 and hollow-fibre membrane 46, place, two ends, the left and right sides in the described housing 43 respectively is provided with end socket 44, two ends, the housing left and right sides are blocked up, perforate on the end socket 44, hollow-fibre membrane 46 passes end socket by the hole on the end socket 44, and hollow-fibre membrane 46 is fixed on housing 43 inside; The two ends, the left and right sides of described housing are respectively equipped with the tube side runner and import and export 41,45; Housing 43 between two end sockets 44 is respectively equipped with the shell side runner up and down and imports and exports 48,42.
Fluid in the pipe is called tube side, and the outer fluid of pipe is called shell side.Dehumidification solution is walked tube side, and air is walked shell side, and air enters the housing 43 from shell side runner import 48, flows out housing 43 from shell side runner exit 42; Dehumidification solution enters housing 43 from tube side runner import 41, flows out housing 43 from tube side runner exit 45.Air wriggles under the deflection plate effect and flows, and fully contacts with film.
As shown in Figure 6, described plate-fin membrane module is formed by stacking by multilayer parallel plate type film 37, supports by corrugated plating wing 40 between each layer parallel plate type film, forms rectangularl runner.Corrugated plating wing 40 is a rectangle.Dehumidification solution is entered by inlet 35, is discharged by liquid outlet 38; Air is entered by air inlet 36, is discharged by exhaust outlet 39.Also can enter by air inlet 35 by air, discharge by exhaust outlet 38; Dehumidification solution is entered by inlet 36, is discharged by liquid outlet 39.Dehumidification solution and air tunicle 37 separate.
As shown in Figure 5, described plate type membrane component is formed by stacking by multilayer parallel plate type film 31, and sealed 33 supports the rectangularl runner that is parallel to each other between each layer parallel plate type film 31, and rectangularl runner is arranged in the mode that flow channel for liquids and air flow channel interlock up and down.Dehumidification solution is entered by the inlet 29 of flow channel for liquids, is discharged by liquid outlet 32; Air is entered by the air inlet 30 of air flow channel, is discharged by exhaust outlet 34.Dehumidification solution and air are separated by parallel plate type film 31.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spiritual essence of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. heat pump driven membrane type liquid dehumidifying and energy storage equipment, it is characterized in that, this device comprises dehumidification solution reservoir, solution pump, dehumidifier, first heat exchanger, blower fan, regenerator and heat pump, and described heat pump is the closed circulation loop that is linked to each other successively and constituted by evaporimeter, compressor, condenser, cold-producing medium reservoir and expansion valve or capillary; Described dehumidification solution reservoir is connected with the inlet of dehumidifier through solution pump, the liquid outlet of dehumidifier is connected with the inlet of regenerator after connecting the condenser of first heat exchanger, heat pump successively, and the liquid outlet of regenerator is connected with the dehumidification solution reservoir after connecting the evaporimeter of first heat exchanger, heat pump successively; The air inlet of described dehumidifier and regenerator all links to each other with blower fan, and dehumidifier and regenerator are membrane module, and dehumidification solution and air that the film in the described membrane module will be flowed through in the membrane module are isolated, and described film has the selection permeability, only allows steam to see through.
2. dehumidifying according to claim 1 and energy storage equipment is characterized in that, also are connected second heat exchanger between described condenser and first heat exchanger, and the exhaust outlet of described regenerator links to each other with second heat exchanger.
3. dehumidifying according to claim 2 and energy storage equipment is characterized in that, described second heat exchanger is a fin-tube type heat exchanger.
4. dehumidifying according to claim 1 and energy storage equipment is characterized in that, also are connected a total-heat exchanger between the air inlet of described dehumidifier and the blower fan, and another air inlet of this total-heat exchanger also connects an air-introduced machine, and described total-heat exchanger is a membrane module.
5. according to claim 1 or 2 or 3 or 4 described dehumidifying and energy storage equipments, it is characterized in that described membrane module is plate type membrane component, plate-fin membrane module or hollow fiber film assembly; When membrane module is plate type membrane component or plate-fin membrane module, dehumidification solution and air intersection PARALLEL FLOW or adverse current; When membrane module was hollow fiber film assembly, dehumidification solution was walked tube side, and air is walked shell side, and perhaps dehumidification solution is walked shell side, and air is walked tube side, perhaps air and dehumidification solution cross flow one.
6. dehumidifying according to claim 5 and energy storage equipment, it is characterized in that, described plate type membrane component is formed by stacking by multilayer parallel plate type film, support the rectangularl runner that is parallel to each other by sealing strip between each layer parallel plate type film, rectangularl runner is arranged in the interlaced mode of flow channel for liquids and air flow channel.
7. dehumidifying according to claim 5 and energy storage equipment is characterized in that, described plate-fin membrane module is formed by stacking by multilayer parallel plate type film, support by the corrugated plating wing between each layer parallel plate type film, form triangle, sinusoidal pattern or rectangularl runner.
8. dehumidifying according to claim 5 and energy storage equipment, it is characterized in that, described hollow fiber film assembly comprises housing and hollow-fibre membrane, place, two ends, the left and right sides in the described housing respectively is provided with end socket, two ends, the housing left and right sides are blocked up, perforate on the end socket, hollow-fibre membrane passes end socket by the hole on the end socket, and hollow-fibre membrane is fixed on enclosure interior; The two ends, the left and right sides of described housing are respectively equipped with the tube side runner and import and export; Housing between two end sockets is respectively equipped with the shell side runner up and down and imports and exports, two end sockets about described shell side runner import and export are close respectively.
9. dehumidifying according to claim 8 and energy storage equipment is characterized in that, also are provided with deflection plate in the middle of the housing of described hollow fiber film assembly, have the through hole that passes for hollow-fibre membrane on the deflection plate.
10. dehumidifying according to claim 5 and energy storage equipment, it is characterized in that, described hollow fiber film assembly comprises housing and hollow-fibre membrane, place, two ends, the left and right sides in the described housing respectively is provided with end socket, two ends, the housing left and right sides are blocked up, perforate on the end socket, hollow-fibre membrane passes end socket by the hole on the end socket, and hollow-fibre membrane is fixed on enclosure interior; The two ends, the left and right sides of described housing are respectively equipped with the tube side runner and import and export; Housing between two end sockets is respectively equipped with the shell side runner up and down and imports and exports, the line right-angled intersection that line that described tube side runner is imported and exported and shell side runner are imported and exported.
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| CN 201010291776 CN101975421A (en) | 2010-09-21 | 2010-09-21 | Heat pump-driven membrane-type liquid dehumidification and energy storage device |
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| CN 201010291776 CN101975421A (en) | 2010-09-21 | 2010-09-21 | Heat pump-driven membrane-type liquid dehumidification and energy storage device |
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