CN205641294U - Air draws penetrates humidification - diaphragm type and compression refrigerating system that jointly dehumidifies - Google Patents
Air draws penetrates humidification - diaphragm type and compression refrigerating system that jointly dehumidifies Download PDFInfo
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- CN205641294U CN205641294U CN201620262598.6U CN201620262598U CN205641294U CN 205641294 U CN205641294 U CN 205641294U CN 201620262598 U CN201620262598 U CN 201620262598U CN 205641294 U CN205641294 U CN 205641294U
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Abstract
The utility model belongs to the technical field of the dehumidification refrigeration and specifically relates to does the air draws penetrate the humidification diaphragm type and the compression refrigerating system that jointly dehumidifies. Including diaphragm type dehydrating unit, atomizer and ejector, diaphragm type dehydrating unit's both ends set up liquid inlet and liquid outlet respectively, are connected with fluid passage between liquid inlet and the liquid outlet, fluid passage surface coating hollow fiber membrane, and the inboard of liquid inlet and liquid outlet sets up gas outlet and gas access respectively, passing through gases path connection between gas access and the gas outlet, diaphragm type dehydrating unit's gas access feeds through with the export of fan, diaphragm type dehydrating unit's gas outlet and the nozzle inlet of ejector intercommunication, and the export that enters the mouth with the atomizer of breathing in of ejector feeds through, the jet exit of ejector and fan coil's income wind gap intercommunication. Can make the water as the refrigeration working medium, to air direct cooling, improve refrigeration effect, effectively avoid simultaneously air suspension impurity to the pollution of dehumidification solution, greatly reduced the system maintenance cost.
Description
Technical field
This utility model relates to desiccant cooling field, and especially a kind of air ejection humidification-membrane type combines desiccant cooling system with compression
System.
Background technology
The refrigeration system used at present is mainly compression, absorption, adsorption-type and steam-sprayed refrigeration system.Above-mentioned system
The thermodynamics ultimate principle of cooling system is inverse Carnot cycle, chooses low boiling point refrigerant, binary solution etc. as refrigeration working medium,
Continuous print kind of refrigeration cycle is realized by the endothermic process of cold-producing medium evaporation/desorbing and the exothermic process of condensation/absorption.Cooled work
Matter (water, air etc.) is lowered the temperature with refrigeration working medium heat exchange in vaporizer, obtains cold with this.
But, owing to the process of conventional refrigeration acquisition cold is carried out in vaporizer, exist between cold-producing medium and cooled working medium
Heat transfer temperature difference can be inevitably generated irreversible heat loss.Meanwhile, compression-type refrigerating system needs special compression device,
Equipment volume is there is compared with the problem such as big, Energy Efficiency Ratio is low in absorption, adsorption-type and steam-sprayed refrigeration system due to heat transfer problem,
Application is very restricted.
Additionally, the absorption air dehumidifier used at present is mainly lithium chloride solution dehydrating unit, this device in use must
Air is carried out filtration, purification, otherwise lithium chloride solution can be polluted, affect device performance.
Utility model content
The purpose of this utility model is for solving drawbacks described above present in prior art, it is proposed that a kind of air ejection humidification-
Membrane type combines desiccant cooling system with compression, and this system can use water as refrigeration working medium, cooling direct to air, improves
Refrigeration；The pollution to dehumidification solution of the air suspension impurity can be prevented effectively from simultaneously, greatly reduce system maintenance cost.
The technical solution of the utility model is: a kind of air ejection humidification-membrane type combines desiccant cooling system, including wind with compression
Machine, fan coil and compression refrigerating apparatus, wherein, also include membrane type dehydrating unit, nebulizer and injector, membrane type dehumidifying dress
The two ends put are respectively provided with liquid inlet and liquid outlet, and connecting between liquid inlet and liquid outlet has fluid passage, and liquid leads to
Road outer surface hollow-fibre membrane, in fluid passage, flowing has lithium-bromide solution, and the inner side of liquid inlet arranges gas outlet,
The inner side of liquid outlet arranges gas access, is connected by gas passage between gas access and gas outlet；
The gas access of membrane type dehydrating unit and the outlet of blower fan, the gas outlet of membrane type dehydrating unit and the nozzle of injector
Inlet communication, the Suction gas inlet of injector and the outlet of nebulizer, the jet expansion of injector and the air intake vent of fan coil
Connection, membrane type dehydrating unit includes regeneration sector；
Compression refrigerating apparatus includes vaporizer, expansion valve, condenser and compressor, the outlet of injector and the inlet air of fan coil
Mouth connection, the air outlet of fan coil connects with the condensing fin port of condenser.
In this utility model, described fluid passage includes several precoated metal wire mesh tube, and precoated metal wire mesh tube includes metal gauze
Pipe, metallic mesh tube outer surface has hollow-fibre membrane.
Described regeneration sector includes regenerator, and the liquid outlet of described membrane type dehydrating unit is connected by the entrance of solution pump with regenerator
Logical, the wall of regenerator posts electric heating sheets, the liquid inlet of membrane type dehydrating unit and the outlet of regenerator.Solution pump will
Absorb the lithium bromide weak solution after steam and constantly pump into regenerator, make solution temperature raise by electric heating sheets, moisture evaporation,
Lithium-bromide solution is become concentrated solution from weak solution, constantly regenerating, makes dehumidification process be carried out continuously.
In described gas passage, interleaved arranges several deflection plate.By arranging deflection plate, increase humid air and doughnut
The contact area of film, to strengthen mass transfer effect.
The entrance of nebulizer connects with liquid storage tank, and nebulizer is by the water atomization in liquid storage tank.
The coolant outlet of described fan coil is connected with the chilled water inlet of vaporizer, the cooling water inlet of fan coil and evaporation
The chilled water outlet of device is connected, and makes water system constitute the circulation of a set of water, the outlet of condenser between fan coil and vaporizer
Being connected with the water inlet of vaporizer by expansion valve, the air intake of condenser is connected with the gas outlet of vaporizer by compressor.
The beneficial effects of the utility model:
(1) this utility model uses injector as crucial refrigerating plant, and using water as refrigeration working medium, water is atomized in nebulizer
And it is inhaled into injector, and persistently evaporating in injector, directly absorb the heat in air, this kind obtains the mode of cold and avoids
Wall heat exchange, eliminates the irreversible heat loss caused because of wall heat transfer temperature difference, it is to avoid conventional refrigeration is obtaining cold
The irreversible heat loss that the wall heat exchange mode of Shi Caiyong is brought, therefore can obtain more preferable refrigeration；
(2) utilizing membrane type dehydrating unit to carry out air dewetting, membrane type dehydrating unit, using lithium bromide as dehumidification solution, uses overlay film
Metallic mesh tube dehumidifies, and precoated metal wire mesh tube can avoid air suspension impurity to dehumidifying while absorbing water vapor in air
The pollution of solution, system, without air filtration and purification apparatus, greatly reduces system maintenance cost.
Accompanying drawing explanation
Fig. 1 is air ejection humidification-membrane type desiccant cooling apparatus structure schematic diagram；
Fig. 2 is membrane type dehydrating unit front view；
Fig. 3 is membrane type dehydrating unit left view sectional view；
Fig. 4 is membrane type dehydrating unit vertical view cutaway drawing；
Fig. 5 is air handling process psychrometric chart.
In figure: 1 blower fan；2 regeneratoies；3 nebulizers；4 liquid storage tanks；5 solution pumps；6 membrane type dehydrating units；7 injectors；
8 fan coils；9 vaporizers；10 expansion valves；11 condensers；12 compressors；13 membrane type dehydrating unit liquid inlets；14
Membrane type dehydrating unit liquid outlet；15 precoated metal wire mesh tube；16 membrane type dehydrating unit gas accesses；17 membrane type dehydrating units
Gas outlet；18 deflection plates.
Detailed description of the invention
With embodiment, this utility model is further described below in conjunction with the accompanying drawings.
As it is shown in figure 1, described air ejection humidification-membrane type desiccant cooling system includes blower fan 1, membrane type dehydrating unit 6, draws
Emitter 7, fan coil 8 and compression refrigerating apparatus.As shown in Figures 2 to 4, the inside of described membrane type dehydrating unit 6 is provided with
Cavity, the two ends of membrane type dehydrating unit 6 are respectively provided with liquid inlet 13 and liquid outlet 14, liquid inlet 13 and liquid outlet
Connecting between 14 has fluid passage, described fluid passage to include many precoated metal wire mesh tube 15, precoated metal wire mesh tube 15
With metallic mesh tube as base material, metallic mesh tube outer surface hollow fiber film structure.In fluid passage, flowing has lithium bromide molten
Liquid.This system uses lithium-bromide solution to absorb working medium as dehumidifying.Hollow-fibre membrane is hydrophobic material, the lithium-bromide solution in film
Leakage will not be produced in flowing, and the steam in the outer humid air of film can pass through hollow-fibre membrane and be brominated the absorption of lithium solution.
The inner side of liquid inlet 13 arranges gas outlet 17, and the inner side of liquid outlet 14 arranges gas access 16, gas access 16 He
Being connected by gas passage between gas outlet 17, in described gas passage, interleaved arranges several deflection plate 18, by setting
Put deflection plate 18, increase the contact area of humid air and hollow-fibre membrane, to strengthen mass transfer effect.In membrane type dehydrating unit,
Gas flow direction is contrary with liquid flow direction.
The gas access 16 of described membrane type dehydrating unit 6 outlet by pipeline with blower fan 1, the gas of membrane type dehydrating unit 6
Body outlet 17 is connected with the nozzle inlet of injector 7 by pipeline；The liquid outlet 14 of membrane type dehydrating unit 6 is by solution pump
5 connect with the entrance of regenerator 2, the liquid inlet 13 of membrane type dehydrating unit 6 outlet by pipeline with regenerator 2.
Air a is inhaled into the gas passage of membrane type dehydrating unit 6 under the effect of blower fan 1, and membrane type dehydrating unit 6 uses lithium bromide molten
Liquid is as liquid desiccant, and air is during gas passage flows, and the steam in air a is through hollow-fibre membrane and by bromine
Changing the absorption of lithium solution to dehumidify, steam is become discharging during liquid heat from gaseous state, therefore from the gas of membrane type dehydrating unit
The air b that air is high temperature low humidity of body outlet 17 outflow.Owing to absorbing the moisture in air, the lithium-bromide solution after dehumidifying
Weak solution is become from concentrated solution.Weak solution flows out from the liquid outlet 14 of membrane type dehydrating unit 6, solution pump 5 pump into regenerator
2, the surrounding wall of regenerator 2 posts electric heating sheets, makes solution temperature raise by electric heating sheets, moisture evaporation, and lithium bromide is molten
Liquid is become concentrated solution from weak solution, and by the liquid inlet 13 of the liquid outlet inflow membrane type dehydrating unit 6 of regenerator 2, bromine
Change lithium concentrated solution flows back to membrane type dehydrating unit 6 and proceeds dehumidifying.
Hollow-fibre membrane is used to be completely cut off with the lithium-bromide solution selectivity in film by the humid air outside film, it is to avoid air suspension is miscellaneous
The pollution of confrontation dehumidification solution, therefore without using air filtration and purification apparatus before the blower fan 1 of this device, greatly reduces clear
The system maintenance cost that reason purifier produces.
The nozzle inlet of described injector 7 is connected with the gas outlet 17 of membrane type dehydrating unit 6 by pipeline, the suction of injector 7
Gas entrance is by the outlet of pipeline with nebulizer 3, and the jet expansion of injector 7 is by the inlet air of pipeline with fan coil 8
Mouth connection.The entrance of nebulizer 3 connects with liquid storage tank, and nebulizer 3 is by the water atomization in liquid storage tank 4, membrane type dehydrating unit 6
The air of middle blowout enters injector 7, and forms negative pressure at nozzle, and water smoke sucks injector 7.Water smoke and air are at injection
Being sufficiently mixed contact in the mixing chamber of device 7, water smoke persistently evaporates and absorbs heat, produces the humid air c of low temperature, and from injection
The jet expansion of device 7 is discharged.This process utilizes the evaporation endothermic of water smoke to obtain cold, it is to avoid conventional refrigeration equipment was freezing
Journey changes thermogenetic irreversible heat loss because of wall, therefore, it is possible to obtain higher refrigeration.
Described compression refrigerating apparatus includes vaporizer 9, expansion valve 10, condenser 11 and compressor 12.Fan coil 8 cold
But water out is connected with the chilled water inlet of vaporizer 9, the cooling water inlet of fan coil 8 and the chilled water outlet of vaporizer 9
It is connected, makes water system constitute the circulation of a set of water between fan coil 8 and vaporizer 9.The outlet of injector 7 by pipeline with
The air intake vent connection of fan coil 8, the air outlet of fan coil 8 is connected with the condensing fin Single port of condenser 11 by pipeline.
The air discharged from injector 7 carries out heat exchange by the water at low temperature in pipeline entrance fan coil 8, with fan coil 8.Enter one
Air d after step cooling blows out from fan coil 8.Heat up and along pipe after the heat of the water at low temperature absorption air in fan coil 8
Road enters vaporizer 9, and vaporizer 9 absorbs the heat of water at low temperature, makes water at low temperature cooling and flows into the cold of fan coil 8 along pipeline
But water inlet.
Air d, after fan coil 8 is discharged, is blown to condenser, one end of condenser 11 blows to the other end, absorb cold simultaneously
The heat that condenser distributes, the water capacity hyperthermic treatment such as carries out, and the air e obtained after process arranges to indoor environment.Condenser 11
Outlet is connected with the water inlet of vaporizer 9 by expansion valve 10, and the air intake of condenser 11 passes through compressor 12 and vaporizer
The gas outlet connection of 9.After refrigerant vapour in condenser 11 is absorbed heat, gaseous state becoming liquid, High Temperature High Pressure is freezed
Agent is flowed into after in vaporizer 9 by pipeline and expansion valve 10, and the heat of the water at low temperature that vaporizer 9 absorbs makes cold-producing medium be changed into system
Refrigerant vapor, and by forming high compressed steam after compressor 12 compression, enter the gas access of condenser along pipeline.I.e. condenser
Interior cold-producing medium absorbs the heat of the chilled water flowed out from fan coil 8 in vaporizer 9, and cold-producing medium is in condenser simultaneously
The wind that heat radiation is blown out by fan coil 8 absorbs.
Operation principle of the present utility model is as described below: air a is inhaled into the gas of membrane type dehydrating unit 6 under the effect of blower fan 1
Body passage, membrane type dehydrating unit 6 uses lithium-bromide solution to pass through doughnut as liquid desiccant, the steam in air a
Film and be brominated lithium solution absorb dehumidify, steam from gaseous state become during liquid discharge heat, therefore from membrane type dehumidify
The air b that air is high temperature low humidity that the gas outlet 17 of device flows out.Solution pump 5 is dilute by absorbing the lithium bromide after steam
Solution constantly pumps into regenerator 2 and regenerates, and makes dehumidification process be carried out continuously.After air b enters injector 7, at nozzle
Forming negative pressure, water smoke sucks injector 7, water smoke is sufficiently mixed in the mixing chamber of injector 7 with air and contacts, and water smoke is held
Continuous evaporation also absorbs heat, produces the humid air c of low temperature, and discharges from the jet expansion of injector 7.Air c passes through pipeline
The water at low temperature entered in fan coil 8, with fan coil 8 carries out heat exchange.Air d after cooling is from fan coil 8 further
Blowout.Air d, after fan coil 8 is discharged, is blowed to the other end by one end of condenser 11, and absorptive condenser distributes simultaneously
Heat, the water capacity hyperthermic treatment such as carries out, and the air e obtained after process arranges to indoor environment.
Claims (6)
1. air ejection humidification-membrane type combines a desiccant cooling system with compression, including blower fan (1), fan coil (8)
And compression refrigerating apparatus, it is characterised in that: also include membrane type dehydrating unit (6), nebulizer (3) and injector (7), membrane type
The two ends of dehydrating unit (6) are respectively provided with liquid inlet (13) and liquid outlet (14), liquid inlet (13) and liquid discharge
Connecting between mouth (14) and have fluid passage, fluid passage outer surface hollow-fibre membrane, in fluid passage, flowing has lithium bromide
Solution, the inner side of liquid inlet (13) arranges gas outlet (17), and the inner side of liquid outlet (14) arranges gas access (16),
Connected by gas passage between gas access (16) and gas outlet (17)；
The gas access (16) of membrane type dehydrating unit (6) and the outlet of blower fan (1), the gas of membrane type dehydrating unit (6)
Body outlet (17) connects with the nozzle inlet of injector (7), the Suction gas inlet of injector (7) and the outlet of nebulizer (3)
Connection, the jet expansion of injector (7) connects with the air intake vent of fan coil (8), and membrane type dehydrating unit includes regeneration sector；
Compression refrigerating apparatus includes vaporizer (9), expansion valve (10), condenser (11) and compressor (12), fan coil
(8) air outlet connects with the condensing fin port of condenser (11).
Air ejection humidification-membrane type the most according to claim 1 combines desiccant cooling system with compression, it is characterised in that:
Described fluid passage includes several precoated metal wire mesh tube (15), and precoated metal wire mesh tube (15) includes metallic mesh tube, metal
Wire mesh tube outer surface has hollow-fibre membrane.
Air ejection humidification-membrane type the most according to claim 1 combines desiccant cooling system with compression, it is characterised in that:
Described regeneration sector is regenerator (2), the liquid outlet (14) of described membrane type dehydrating unit (6) by solution pump (5) with
The entrance connection of regenerator (2), the wall of regenerator (2) posts electric heating sheets, the liquid inlet of membrane type dehydrating unit (6)
(13) with the outlet of regenerator (2).
Air ejection humidification-membrane type the most according to claim 1 combines desiccant cooling system with compression, it is characterised in that:
In described gas passage, interleaved arranges several deflection plate (18).
Air ejection humidification-membrane type the most according to claim 1 combines desiccant cooling system with compression, it is characterised in that:
The entrance of nebulizer (3) connects with liquid storage tank (4), and nebulizer (3) is by the water atomization in liquid storage tank (4).
Air ejection humidification-membrane type the most according to claim 1 combines desiccant cooling system with compression, it is characterised in that:
The coolant outlet of described fan coil (8) is connected with the chilled water inlet of vaporizer (9), the cooling water of fan coil (8)
Entrance is connected with the chilled water outlet of vaporizer (9), and the outlet of condenser (11) is by expansion valve (10) and vaporizer (9)
Water inlet connection, the air intake of condenser (11) is connected with the gas outlet of vaporizer (9) by compressor (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620262598.6U CN205641294U (en) | 2016-03-31 | 2016-03-31 | Air draws penetrates humidification - diaphragm type and compression refrigerating system that jointly dehumidifies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620262598.6U CN205641294U (en) | 2016-03-31 | 2016-03-31 | Air draws penetrates humidification - diaphragm type and compression refrigerating system that jointly dehumidifies |
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| Publication Number | Publication Date |
|---|---|
| CN205641294U true CN205641294U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620262598.6U Expired - Fee Related CN205641294U (en) | 2016-03-31 | 2016-03-31 | Air draws penetrates humidification - diaphragm type and compression refrigerating system that jointly dehumidifies |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674452A (en) * | 2016-03-31 | 2016-06-15 | 中国海洋大学 | Air ejection humidifying-membrane type and compressing type combined dehumidification and cooling system |
| CN111457510A (en) * | 2020-04-02 | 2020-07-28 | 武汉市研华智造环保科技有限公司 | Humidification device on cooling fan |
-
2016
- 2016-03-31 CN CN201620262598.6U patent/CN205641294U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674452A (en) * | 2016-03-31 | 2016-06-15 | 中国海洋大学 | Air ejection humidifying-membrane type and compressing type combined dehumidification and cooling system |
| CN105674452B (en) * | 2016-03-31 | 2018-09-14 | 中国海洋大学 | Air ejection humidification-membrane type combines desiccant cooling system with compression |
| CN111457510A (en) * | 2020-04-02 | 2020-07-28 | 武汉市研华智造环保科技有限公司 | Humidification device on cooling fan |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20180331 |
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| CF01 | Termination of patent right due to non-payment of annual fee |