CN102287876B - Liquid desiccant air conditioning system - Google Patents
Liquid desiccant air conditioning system Download PDFInfo
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- CN102287876B CN102287876B CN201110227601.2A CN201110227601A CN102287876B CN 102287876 B CN102287876 B CN 102287876B CN 201110227601 A CN201110227601 A CN 201110227601A CN 102287876 B CN102287876 B CN 102287876B
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Abstract
The invention mainly discloses a liquid desiccant air conditioning system which comprises a regeneration unit, a desiccant unit and an air conditioning host, wherein both the regeneration unit and the desiccant unit comprise a main box body, a liquid storing box and an air exhausting box respectively; the interior of the main box body is installed with a spraying and filling filter material, a spraying bracket is arranged above the spraying and filling filter material, a filter layer and the spraying and filling filter material are arranged above the spraying bracket; the main box body is communicated with the liquid storing box below the main box body through a communicating pipe; and the lower end of the main box body is provided with an air inlet, and the top of the main box body is provided an air outlet communicated with the air exhausting box. In the invention, the desiccant adopts a lithium bromide solution which is safe, non-toxic and has good chemical stability, the spraying structure can realize thorough gas-liquid exchange contact and a strong desiccant effect, namely the humidity energy in the air can be removed, the air can be controlled to maintain at a certain temperature and humidity, and no liquid entrained out from the air can be truly realized, thus human health can be guaranteed and air cleanliness can be maintained.
Description
Technical field
The present invention relates to air-conditioning technical field, special relevant with a kind of solution dehumidifying air-conditioning system.
Background technology
Call today of sustainable development the mankind, air-conditioning faces four challenges greatly, i.e. health, environmental protection, comfortable, energy-conservation.And the dehumidifying of conventional central air-conditioning employing cryogenic condensation, reduce air themperature water in air segregation junction is separated out.This dehumidification mode can cause ponding in conditioner disk tube-surface and drip tray, easily grows mould, becomes biological pollution source.
In order to reach dehumidifying requirement, need to cool air to very low temperature, not only cause the waste of the energy, and can allow people not feel well.Liquid desiccant air conditioning has been responded these challenges well, and sufficient new wind and efficiently elimination virus, bacterium, pollen and dust etc. become real health-care air-conditioner.Comply with the trend of environmental protection; Temperature, the independent accurately control of humidity, meet the comfort requirement that user is the harshest; Unique technology is saved the energy and cost of use to greatest extent, comprehensive utilization of energy and use the energy cheaply, be conducive to the change of urban energy structure and the comprehensive utilization of resource, the inventor designs a kind of liquid dehumidifying air-conditioning system, and this case produces thus.
Summary of the invention
The object of this invention is to provide a kind of solution dehumidifying air-conditioning system, dehumidizer adopts lithium-bromide solution, safe, nontoxic, chemical stability is good, and spray structure makes gas-liquid exchange contact thoroughly, dehumidifying effect is strong, remove airborne " wet energy ", control air and remain under certain humiture, and really realize no liquid in air and take out of, ensure health, keep the cleanliness factor of air.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of solution dehumidifying air-conditioning system, comprises regeneration unit, Dehumidifying element, air-conditioner host; Regeneration unit and Dehumidifying element include main box, liquid reserve tank, air exhaust box; Spray is installed in main box and fills out filtrate, spray is filled out filtrate top and is laid spraying rack, and spraying rack top lays filter course and filtrate is filled out in spray; Main box was communicated with the liquid reserve tank that is positioned at main box below by communicating pipe; Air inlet is offered in main box lower end, and going out of being communicated with air exhaust box, air outlet are offered in main box top;
In native system, the circulation route of solution is:
In liquid reserve tank, solution is extracted on spraying rack and is sprayed by the pump housing, and main box bottom solution is accumulated to certain liquid level, forms circulation by being back to liquid reserve tank communicating pipe; Solution in regeneration unit is its heating being extracted into before spraying rack spray by the heating agent in air-conditioner host, and the solution in Dehumidifying element is its refrigeration being extracted into before pouring frame spray by the refrigerant in air-conditioner host; Meanwhile, in regeneration unit, in liquid reserve tank, solution is squeezed into main box bottom in Dehumidifying element by the pump housing, and in Dehumidifying element, in liquid reserve tank, solution is squeezed in regeneration unit and formed and recycle bottom main box by the pump housing.
Described solution dehumidifying air-conditioning system comprises central controller, connects the exhaust blower in air-conditioner host, the pump housing, air exhaust box on it, realizes the automatic circulating operation of automatically controlling whole system.
The liquid reserve tank of described Dehumidifying element connects water supply tank, density of setting sensor in liquid reserve tank in Dehumidifying element, and at indoor location Temperature Humidity Sensor, and detecting separately the signal producing to central controller, the action by central controller controls water supply tank to liquid reserve tank moisturizing liquid level magnetic valve.
Described spraying rack is the shower that is covered with casing horizontal space, lays the nozzle equidistantly distributing on shower.
Described spray is filled out filtrate and is comprised that some filtering layers are overlapping and be consolidated; The wherein surge layer of filtering layer through being bent to form, the peak line in surge layer is parallel with hollow line; The peak line of adjacent filtering layer is arranged in a crossed manner.
Described surge layer, the waviness curve that its cross section forms is sine curve; The single Cycle Length of sine curve is 1～2cm, and the height between peak valley is 0.8～1cm.
The angle that described adjacent filtering layer peak line intersects is 45～60 degree.
Described filtering layer adopts brown paper to do raw material, and surface applies phenolic resins sizing, adopts alcohol Class C adhesive bonding between adjacent filtering layer.
Described filtering layer is rectangle, and filtrate is filled out in the rectangular spray of the overlapping fixing formation of multiple rectangle filtering layers, and the filtrate splicing of infinitely extending is filled out in spray, forms the spray that is applicable to the interior spatial volume of main box and fills out filtrate group.
Described filter course is that some layers of nylon net cloth are formed by stacking.
Adopt after such scheme, the present invention has many beneficial effects:
In liquid desiccant air conditioning, solution circulation uses, and the environment that humiture is moderate is provided to indoor air.In the main box using in regeneration unit and Dehumidifying element in the present invention, adopt unique spray to fill out filtrate and spray mode, air can fully thoroughly be contacted with solution, change airborne humiture, realize real " 0 band liquid ", for liquid desiccant air conditioning proposes a kind of brand-new filtration spray model.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram in preferred embodiment of the present invention;
Fig. 2 is the structural representation of shower in preferred embodiment of the present invention;
Fig. 3 is the structural representation that in preferred embodiment of the present invention, filtrate is filled out in spray.
Detailed description of the invention
By reference to the accompanying drawings, preferred embodiment of the present invention is described in further details.
A kind of solution dehumidifying air-conditioning system, the parts that are mainly concerned with comprise: regeneration unit 1, Dehumidifying element 2, air-conditioner host 3, water supply tank 4.Cardinal principle of the present invention: in Dehumidifying element 2, concentrated solution contacts with indoor air spray, and the humiture of room air is regulated, and concentrated solution is thinning, flow in regeneration unit 1 and concentrates, and recirculation drops in Dehumidifying element 2 and uses.
In Dehumidifying element 2, mainly comprise main box 5, liquid reserve tank 6, air exhaust box 7.Main box 5 is main place of gas-liquid exchange heat, is a rectangular box in the present embodiment.Spray is set at main box 5 middle parts and fills out filtrate 8, main box 5 inwalls have the baffle plate of a circle to inner process, and spray is filled out filtrate 8 bottoms and is just shelved on baffle plate, stable placement.The bottom of main box 5 due to spray fill out filtrate 8 do not fill full, so form the solution cavity 9 of an accumulation solution.An external communicating pipe 10 of solution cavity 9, communicate with the liquid reserve tank 6 that is positioned at main box below.When the liquid level of the solution arrival communicating pipe 10 in solution cavity 9, flow to the liquid reserve tank 6 of low-lying from high elevation solution cavity 9 by communicating pipe 10.In addition, the air inlet 15 of introducing indoor return air is set on solution cavity 9 walls.
Spray fill out filtrate 8 above, set up spraying rack 11.Spraying rack 11 is not the spray head in traditional spray mode, but is made up of multiple showers.As shown in Figure 2, shower comprises spray arm 12 and the spray house steward 13 that several equidistantly be arranged in parallel, and the two ends of spray arm 12 are spray house steward 13, and the solution on spray house steward 13 branches in each spray arm 12.The lower surface that simultaneously sprays arm 12 is evenly laid nozzle 14.Can determine according to the volume size of actual main box 5 in the present embodiment, ensures on spraying rack 11 that the solution of spray is covered with main box 5 corners, for large area spray is carried out sufficient preparation.
The top of spraying rack 11 is laid with the filter of filtered air, is followed successively by from the bottom up filter course 16 and spray and fills out filtrate 8.Filter course 16 is to be made up of 20 layers of overlapping placement of nylon net cloth, on filter course 16, be again arrange spray fill out filtrate 8, fill out filtrate 8 with the spray of spraying rack 11 belows compared with, volume difference.
The indoor return air of main box 5, from air inlet 15 enters, is finally discharged from the top of main box 5.The top of main box 5 sets out air port 17 and communicates with air exhaust box 7, places exhaust blower 18 in air exhaust box 7, and the exhaust outlet 19 of keeping watch from air exhaust box 7 is discharged.
Here need specially to illustrate, it is not the common fillers adopting in traditional solution dehumidification that filtrate 8 is filled out in the spray adopting in the present invention, and as shown in Figure 3, it is to be formed by overlapping being consolidated of some filtering layers 81 that filtrate 8 is filled out in spray.
The raw material of filtering layer 81 adopts brown paper, with wet strong brown paper through phenolic resin glue water soaking, wave shaping and drying, the surge layer forming, peak line 82 on it is parallel with hollow line 83, the peak line 82 of the adjacent filtering layer between adjacent layer is mutually arranged in a crossed manner, and its crossing angle is generally 45 °～60 °.The cross section of each filtering layer is a sine curve, and sinusoidal single Cycle Length is 1～2cm, and the height between peak valley is that 0.8～1cm is advisable, and arranges as long as filling out ventilation effect and the generation of reduction with liquid situation in filtrate 8 in order to spray like this.Combination between adjacent layer adopts alcohol Class C glue to be bondd.Due to arranged in a crossed manner between adjacent layer, make spray fill out filtrate 8 appearances formation corrugations poroid.
In the present invention, adopt spray to fill out filtering layer overlapping form of filtrate 8 by surge layer, make the gap path winding complex of filtering layer between overlapping, and liquid dehumidifying air conditioner is while using this spray to fill out filtrate 8, down spray in the top liquid, lower end is toward upper air, filling out filtrate intermediate gas in spray can spray smoothly, and liquid is just difficult to along with air-flow is oppositely taken out of, provides prerequisite for realizing real " 0 solution ".
In order to make spray fill out filtrate 8 and make general part, filtering layer is set to rectangle, and filtrate is filled out in the rectangular spray of the overlapping fixing formation of multiple rectangle filtering layers 81, and filtrate 8 splicing of can infinitely extending is filled out in spray, and filtrate group is filled out in the spray that forms applicable main box 5 interior spatial volumes.
In addition, configured a water pump 20 in main box 5, water pump 20 is got to the solution in solution cavity 9 in main box 5 on spraying rack 11, forms a circulation.Before squeezing into spraying rack 11, the solution in liquid reserve tank 6 is through a plate heat exchanger 21 simultaneously, and plate heat exchanger 21 is freezed solution by chilled water, then cold soln is squeezed in spraying rack 11 again.
Structure in regeneration unit 1 is all identical with structural principle in Dehumidifying element 2, and difference is that the water pump 20 of regeneration unit 1 easily passes through board-like after stamping
interchanger21 heat medium water heats, and hot solution is squeezed in regeneration unit 1.
In addition, the circulation of solution between regeneration unit 1 and Dehumidifying element 2 is as long as passing through interchanger 22.The exchanged device 22 of solution in liquid reserve tank 6 in Dehumidifying element 2 is pumped in the solution cavity 9 in regeneration unit 1, and the exchanged device 22 of solution in the liquid reserve tank 6 of regeneration unit 1 is pumped in the solution cavity 9 in Dehumidifying element 2.
Groundwork principle of the present invention is: adopt lithium bromide (LiBr) solution as the heat exchange solution in the present invention, in the liquid reserve tank 6 of Dehumidifying element 2, take out full lithium-bromide solution, first taking Dehumidifying element as example, the liquid reserve tank 6 of Dehumidifying element 2 is by water pump 20 suction plate heat exchanger 21, the chilled water that passes through by air-conditioner host 3 freezes to lithium-bromide solution, like this, cold soln is squeezed in spraying rack 11 again and is sprayed.And in main box 5 air inlet 15 by indoor return air from bottom suction, then entering below sails against the current, fully contact with cold soln large area, in contact process, realize the cold and hot exchange of gas-liquid, like this, heat and moisture in high humility hot blast in indoor return air will be taken away by cold soln, and making the air of discharging is dry and cold fresh air, give the indoor cool breeze of sending into.And air is after lithium bromide spray filtering, has eliminated airborne virus and bacteria, has filtered dust, extremely have and utilize health, effect is remarkable.Such as being applied in storage chamber, supermarket, new wind, except to the indoor effective dehumidifying of storing in a warehouse, also kills mould simultaneously, effective guarantee the safety of article.
Because lithium-bromide solution is through after heat exchange, absorbs moisture and become the lithium-bromide solution being diluted afterwards, so could again come into operation after need to being concentrated.When in the main box 5 in Dehumidifying element 2, first the solution spraying be accumulated in solution cavity 9, in the time arriving the liquid level of communicating pipe 10, automatically flow in liquid reserve tank 6, therefore in liquid reserve tank 6, stored the lithium-bromide solution of Macrodilution, need to recycle time, solution in liquid reserve tank 6 in Dehumidifying element 2 is pumped in the solution cavity 9 in regeneration unit 1 through interchanger 22, in liquor box 9, arrive after certain liquid level, in like manner, by having flowed into communicating pipe 10 in the liquid reserve tank 6 of regeneration unit 1, be then driven on spraying rack 11 by the water pump 20 in regeneration unit 1.
Different from above-mentioned Dehumidifying element 2 is, water pump 20 suction plate heat exchanger 21 in regeneration unit, and plate heat exchanger 21 is to heat by the heat medium water in air-conditioner host 3, form hot solution, main box 5 in regeneration unit 1 is from extraneous suction normal temperature air, contact with hot solution spray, the exchange of formation gas-liquid, normal temperature air has been taken away heat and the moisture in hot solution, make spray and lower solution concentrates, concentrated solution after concentrated flows in the liquid reserve tank 6 in regeneration unit 2, then returned to the solution cavity 9 in Dehumidifying element 2 by interchanger 22, formation recycles.
Here it should be noted that, spray process is gas-liquid conversed fully to cross, contact area increases greatly, make gas-liquid heat exchange thorough, the structural design that filtrate 8 is filled out in spray is simultaneously ingenious, when wind is flowed from the bottom up, be with hardly liquid, through passing through filter course 16 and spray the secondary filter of filling out filtrate 8 before air-out again, liquid air-out is not with in real realization, for solution air-conditioning has been opened up a brand-new technology space simultaneously.
In the present invention, adopt electronic technology Automatic Control, so be provided with central controller and some sensors.Central controller adopts PLC(programmable logic controller (PLC)), originally be that in invention, all electric equipments can be integrated and connected in PLC, mainly comprise air-conditioner host 3, water pump 20, exhaust blower 18, plate heat exchanger 21, interchanger 22, operating personnel are as long as in PLC input control program and control parameter.
In addition, according to actual air draft requirement, in indoor environment, lay Temperature Humidity Sensor, detect the wind regime quality of discharging, if humidity is less, partially dry needs keeps the skin wet to lithium-bromide solution, so set up a water replanishing device on said system basis, comprise water supply tank 4, in water supply tank 4, be connected with a filling pipe 41 to the liquid reserve tank 6 in Dehumidifying element 2, on filling pipe 41, set up liquid level magnetic valve 42.The rheumatism degree that discharge detected when Temperature Humidity Sensor is less than setting value, and this signal is delivered in central controller, and control magnetic valve 42 is opened and discharged water, and gives the moisturizing of lithium-bromide solution solution.
Simultaneously, packing density sensor 23 in liquid reserve tank 6 in Dehumidifying element 2, density sensor detects the density of solution in real time, when detect that the solution density again coming into operation is too high after concentrated, humidity is little, so just produces moisturizing signal, is delivered to equally in central controller, control magnetic valve 42 is opened and is discharged water, and gives the moisturizing of lithium-bromide solution solution.In addition, in advance can prestocking in water supply tank 4 sufficient water source, the prevention phenomenon of cutting off the water, ensures that liquid desiccant air conditioning is under the state of emergency such as cut off the water, normal effectively operation.
In the present invention, refrigeration use in summer, adopts said structure, heats, as long as above-mentioned regeneration unit 1 and Dehumidifying element 2 are exchanged to use if need to produce winter.
Above-described embodiment is only for the inventive concept of the present invention of explaining, but not restriction to rights protection of the present invention, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should fall into protection scope of the present invention.
Claims (5)
1. a solution dehumidifying air-conditioning system, is characterized in that: comprise regeneration unit, Dehumidifying element, air-conditioner host; Regeneration unit and Dehumidifying element include main box, liquid reserve tank, air exhaust box; Spray is installed in main box and fills out filtrate, spray is filled out filtrate top and is laid spraying rack, and spraying rack top lays filter course and filtrate is filled out in spray; Main box was communicated with the liquid reserve tank that is positioned at main box below by communicating pipe; Air inlet is offered in main box lower end, and the air outlet being communicated with air exhaust box is offered at main box top;
In native system, the circulation route of solution is:
In liquid reserve tank, solution is extracted on spraying rack and is sprayed by the pump housing, and main box bottom solution is accumulated to certain liquid level, forms circulation by being back to liquid reserve tank communicating pipe; Solution in regeneration unit is its heating being extracted into before spraying rack spray by the heating agent in air-conditioner host, and the solution in Dehumidifying element is its refrigeration being extracted into before pouring frame spray by the refrigerant in air-conditioner host; Meanwhile, in regeneration unit, in liquid reserve tank, solution is squeezed into main box bottom in Dehumidifying element by the pump housing, and in Dehumidifying element, in liquid reserve tank, solution is squeezed in regeneration unit and formed and recycle bottom main box by the pump housing; Described spraying rack is the shower that is covered with casing horizontal space, lays the nozzle equidistantly distributing on shower; Described spray is filled out filtrate and is comprised that some filtering layers are overlapping and be consolidated; The wherein surge layer of filtering layer through being bent to form, the peak line in surge layer is parallel with hollow line; The peak line of adjacent filtering layer is arranged in a crossed manner; Described surge layer, the waviness curve that its cross section forms is sine curve; The single Cycle Length of sine curve is 1～2cm, and the height between peak valley is 0.8～1cm; The angle that described adjacent filtering layer peak line intersects is 45～60 degree; Described filtering layer adopts brown paper to do raw material, and surface applies phenolic resins sizing, adopts alcohol Class C adhesive bonding between adjacent filtering layer.
2. a kind of solution dehumidifying air-conditioning system as claimed in claim 1, it is characterized in that: described solution dehumidifying air-conditioning system comprises central controller, on it, connect the exhaust blower in air-conditioner host, the pump housing, air exhaust box, realize the automatic circulating operation of automatically controlling whole system.
3. a kind of solution dehumidifying air-conditioning system as claimed in claim 1, it is characterized in that: the liquid reserve tank of described Dehumidifying element connects water supply tank, density of setting sensor in liquid reserve tank in Dehumidifying element, and at indoor location Temperature Humidity Sensor, and detecting separately the signal producing to central controller, the action by central controller controls water supply tank to liquid reserve tank moisturizing liquid level magnetic valve.
4. a kind of solution dehumidifying air-conditioning system as claimed in claim 1, it is characterized in that: described filtering layer is rectangle, filtrate is filled out in the rectangular spray of the overlapping fixing formation of multiple rectangle filtering layers, and the filtrate splicing of infinitely extending is filled out in spray, forms the spray that is applicable to the interior spatial volume of main box and fills out filtrate group.
5. a kind of solution dehumidifying air-conditioning system as claimed in claim 1, is characterized in that: described filter course is that some layers of nylon net cloth are formed by stacking.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110227601.2A CN102287876B (en) | 2011-08-10 | 2011-08-10 | Liquid desiccant air conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110227601.2A CN102287876B (en) | 2011-08-10 | 2011-08-10 | Liquid desiccant air conditioning system |
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| Publication Number | Publication Date |
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| CN102287876A CN102287876A (en) | 2011-12-21 |
| CN102287876B true CN102287876B (en) | 2014-06-18 |
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| CN201110227601.2A Expired - Fee Related CN102287876B (en) | 2011-08-10 | 2011-08-10 | Liquid desiccant air conditioning system |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20170086496A (en) * | 2014-11-21 | 2017-07-26 | 7에이씨 테크놀로지스, 아이엔씨. | Methods and systems for mini-split liquid desiccant air conditioning |
| CN104728956B (en) * | 2015-03-26 | 2018-01-02 | 苏州惠林节能材料有限公司 | High efficiency dehumidifying/humidifying device |
| CN104728957B (en) * | 2015-03-26 | 2018-01-02 | 苏州惠林节能材料有限公司 | A kind of dehumidifying/humidifying device and method |
| CN106765657A (en) * | 2017-02-03 | 2017-05-31 | 河南工程学院 | A kind of rinsing type air purifier |
| CN107218704B (en) * | 2017-06-19 | 2020-09-04 | 广东美的制冷设备有限公司 | Control method and control system of air conditioner and air conditioner |
| CN107327981A (en) * | 2017-09-01 | 2017-11-07 | 江苏紫东建筑科技股份有限公司 | Multifunction efficient energy-saving solution dehumidifying fresh air handling group |
| CN107642862A (en) * | 2017-09-01 | 2018-01-30 | 江苏紫东建筑科技股份有限公司 | A kind of solution dehumidifying fresh air handling group of earth source heat pump driving |
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| CN101187486A (en) * | 2007-12-06 | 2008-05-28 | 黄之栋 | Corrugated plate type water evaporation and cooling type heat exchanging tampering device |
| CN101782253A (en) * | 2009-11-10 | 2010-07-21 | 杭州及利空调科技有限公司 | Energy-saving temperature and moisture automatic adjusting air conditioning unit |
| CN202229325U (en) * | 2011-08-10 | 2012-05-23 | 绍兴意康空调科技有限公司 | Solution humidifying air conditioner system |
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Patent Citations (3)
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|---|---|---|---|---|
| CN101187486A (en) * | 2007-12-06 | 2008-05-28 | 黄之栋 | Corrugated plate type water evaporation and cooling type heat exchanging tampering device |
| CN101782253A (en) * | 2009-11-10 | 2010-07-21 | 杭州及利空调科技有限公司 | Energy-saving temperature and moisture automatic adjusting air conditioning unit |
| CN202229325U (en) * | 2011-08-10 | 2012-05-23 | 绍兴意康空调科技有限公司 | Solution humidifying air conditioner system |
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