CN102620369B - Solar solid dehumidifying and regenerating air-conditioning system - Google Patents
Solar solid dehumidifying and regenerating air-conditioning system Download PDFInfo
- Publication number
- CN102620369B CN102620369B CN201210102561.3A CN201210102561A CN102620369B CN 102620369 B CN102620369 B CN 102620369B CN 201210102561 A CN201210102561 A CN 201210102561A CN 102620369 B CN102620369 B CN 102620369B
- Authority
- CN
- China
- Prior art keywords
- air
- moisture absorption
- conditioning system
- bed
- thin type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The invention discloses a solar solid dehumidifying and regenerating air-conditioning system. The solar solid dehumidifying and regenerating air-conditioning system comprises a moisture absorption bed (5), a generation bed (6), a sensible heat exchanger (7), an air cooling device (8), a cabin body (10), an air flow baffle (11), a thin solid adsorption layer (12) and a glass cover plate (13), wherein the moisture absorption bed (5) has the same structure as the regeneration bed (6), and comprises the cabin body (10), the air flow baffle (11), the thin solid adsorption layer (12) and the glass cover plate (13). The invention discloses a solid moisture absorption and regeneration bed integrating a flat solar heat collector with a thin solid adsorption layer. The invention discloses a solid adsorbing dehumidifying and regenerating air-conditioning system with novelty, high energy efficiency, low manufacturing cost, low air flow resistance, high moisture absorption capability, small size and high solar heat utilization rate. The solar solid dehumidifying and regenerating air-conditioning system has a potential to develop into a low (zero) carbon air-conditioning system using solar energy and natural energy, and can be widely applied to buildings.
Description
Technical field
The present invention is a kind of solar energy solid dehumidifying regeneration air-conditioning system that belongs to new forms of energy and field of energy-saving technology, particularly the direct acting solid dehumidifying Regenerative beds of a kind of solar energy and the air-conditioning system that matches with it thereof.
Background technology
The energy consumption of HVAC accounts for 50% left and right of building total energy consumption.And ventilation and air conditioning system has almost represented the full content of HVAC in south China area, wherein the latent refrigeration duty relevant to humidity represented again the 25%-70% of ventilation and air conditioning system load.Therefore, find energy-saving and cost-reducing in air-conditioning system dehumidification process, effectively to utilize regenerative resource method, to realizing the target tool of China's energy-saving and emission-reduction, be of great significance.
Traditional vapor compression refrigeration dehumidifying, because of excessively cold, heat treatment and the consumption to high-grade electric energy again to air, causes very large energy waste, is therefore that high energy consumption and environment are disagreeableness; Although sealing absorption refrigeration dehumidifying does not need electric energy, need high temperature heat source, and its thermal property coefficient is lower, thereby is also a kind of undesirable air-treatment mode.
It is a kind of more satisfactory air-treatment mode that existing hygroscopic agent dehumidifying combines with the dry and cold device of air (as cooling in mechanical compression refrigeration, evaporation or dew point) cooling.But existing solid hygroscopic bed accessory has the problem that air flow resistance is large, wettability power is little, volume is large and regeneration temperature is higher.The solid adsorbent bed that the silica gel of take is main medium has relatively low regeneration temperature, thereby is suitable for utilizing solar energy to regenerate.Yet traditional regeneration always first adds hot-air or water with solar heat, then hot-air or hot water are sent into adsorbent bed and carry out reproducing adsorbent.This just exists by solar heat to air (water), two diabatic processes to adsorbent by air (water) then.Each process all has certain energy loss.Like this, the energy loss that two processes stack up is just larger, and corresponding solar heat utilization rate just decreases.And in most of the cases, solar thermal collector and adsorbent bed divide and are arranged, the volume of system and take up an area all larger like this.Even solar thermal collector and adsorbent bed are combined, in order effectively to process air hygroscopic water, the thickness of adsorbent bed is all very large, and solar radiation far can not penetrate a body.The regeneration of adsorbent still needs to realize by adding hot-air (water) like this.This will cause adsorbent reactivation overlong time, and system moisture absorption, regeneration are in intermittent running status.In addition,, in order to improve the adsorbance under adsorbent wettability power, caloic diffusion coefficient and thermal equilibrium state, conventional method is in silica gel, to dose some inert materials in recent years.But this method can not reduce in moisture absorption process effectively because hygroscopic water in air is condensed to airborne heat release.Like this, the follow up device of air dehumidification system, as the volume of heat exchanger and air-cooling apparatus (mechanical compression refrigeration, evaporation or dew point are cooling) and load all larger.
Summary of the invention
The object of the invention is to consider the problems referred to above and the solid absorption dehumidifying regeneration air-conditioning system of a kind of high energy efficiency, low cost, low air flow dynamic resistance, high wettability power, small size and high solar heat utilization rate is provided.The present invention has the potentiality that develop into low (zero) carbon air-conditioning system of utilizing solar energy and nature energy, and can obtain under construction the solar energy solid dehumidifying regeneration air-conditioning system of application widely.
Technical scheme of the present invention is: solar energy solid dehumidifying regeneration air-conditioning system of the present invention, include moisture absorption bed, Regenerative beds, sensible heat exchanger, air-cooling apparatus, cabin body, Air Flow dividing plate, thin type solid absorption layer, glass cover-plate, wherein moisture absorption bed is identical with the structure of Regenerative beds, include cabin body, Air Flow dividing plate, thin type solid absorption layer, glass cover-plate, its middle deck body is provided with air inlet and air outlet, thin type solid absorption is placed in the body of cabin, glass cover-plate is installed in the open end of cabin body, Air Flow dividing plate is divided into some spaces along its length by cabin body, and on Air Flow dividing plate, have some pores, and the processed air entering from moisture absorption bed top is equipped with on part holes top can cause it light seal sheet of these port sealings to lower compression, in the body of cabin, form and make processed air repeatedly skip over thin type solid absorption layer, the successively absorbed many backhauls air-flow of its hygroscopic water, the side of moisture absorption bed is also provided with the guaranteed bypath air passage of stability of the outlet air state that makes moisture absorption bed, from moisture absorption bed and bypath air passage moisture absorption bed outlet mixing air out, by sensible heat exchanger and air-cooling apparatus, with low temperature and low humidity state, send into conditioned space cooling, in the time of moisture absorption bed operating, under direct irradiation in sunshine, thin type solid absorption layer in the Regenerative beds identical with moisture absorption bed structure can make to hide in the intrapore moisture evaporation of thin type solid absorption layer and form steam under the irradiation of sunray, the indoor return air of conditioned space enters Regenerative beds from sensible heat exchanger bottom after obtaining part heat by sensible heat exchanger, the indoor return air that light seal sheet on the set pore of Air Flow dividing plate can be washed open skips over thin type solid absorption layer, to amass be hidden in the intrapore steam of thin type solid absorption layer and take away after from Regenerative beds top discharged to outdoor, indoor return air is made one way along Regenerative beds and is flowed in regenerative process.
Above-mentioned moisture absorption bed, Regenerative beds can be switched mutually.
The pore having on above-mentioned Air Flow dividing plate is minor diameter circular hole.
The side of above-mentioned Regenerative beds is also provided with a bypath air passage.
The material that above-mentioned thin type solid absorption layer is mixed by silica gel and microcapsule phase-change particle forms.
The pore that the pore of light seal sheet is housed on above-mentioned Air Flow dividing plate and light seal sheet is not housed is along the symmetrical distribution in thin type solid absorption layer both sides.
The present invention compares with solid absorption dehumidifier/air-conditioning system traditional in prior art, and tool of the present invention has the following advantages:
(1) the present invention combines flat-plate solar collector and thin type solid absorption layer can make solar radiation directly act in a body hygroscopic water, to make its evaporation, and does not need to evaporate by the heating of hot-air (water).Can effectively improve the solar thermal utilization rate of system like this.On solar energy heating face, cover a glass plate, can reduce a body to extraneous heat loss.
(2) moisture absorption of the present invention can regularly hocket with regeneration on same bed body.Due to the thinner thickness of adsorption layer, its moisture absorption and regeneration rate will be accelerated, thereby also will shorten switching time.Can guarantee the relatively stable of processed outlet air state like this.
(3) the present invention is when bed body switches to moisture absorption operating conditions, and processed air back and forth flows along many backhauls of bed body by switching (effect of the air hydrodynamic) realization of circular hole hole on demarcation strip, thereby reaches the air hydroscopicity of expectation.
(4) the present invention is when bed body switches to reproduction operation state, the regeneration air that skips over a body will be gathered in the intrapore steam of solid absorption layer and take away, because regeneration air is only as the carrier that carries of steam, thereby needn't heat before entering a body, thereby save system regeneration power consumption.In the case, regeneration air is realized the unlatching by circular hole hole on demarcation strip (effect of air hydrodynamic) along the direct current of bed body and is flowed.
(5) moisture absorption bed of the present invention exit, the humidity of processed air can realize by the flow of adjusting bypath air, thereby can guarantee metastable outlet air state.
(6) compare the air amount of heat absorption of the wettability power that in the present invention, thin type solid absorption layer can be improved, the caloic reducing exchange resistance coefficient and increase with conventional solid adsorption layer.The increase of amount of heat absorption can reduce moisture absorption bed outlet air temperature effectively, reduces volume and the load of other device (processed and regeneration air heat exchanger and processed aerial cooler) in dehumidifier/air-conditioning system.
The present invention is a kind of solid hygroscopic Regenerative beds that integrates flat-plate solar collector and thin type solid absorption layer.The present invention is for meeting the requirements of wettability power, and processed air flowing in bed body will be many backhauls flow pattern.And be to realize utilizing Cryogenic air effectively to get rid of the object of the hygroscopic water in a body, regeneration air flowing in bed body will be direct current flow pattern.The present invention can improve solar heat utilization rate effectively, thereby reduce the sensible heat that processed air takes away through moisture absorption bed, reduces bed capacity of the follow-up air processor of body and a volume, improves heat/electrical property coefficient of system.The present invention is the solid absorption dehumidifying regeneration air-conditioning system of a kind of novel, high energy efficiency, low cost, low air flow dynamic resistance, high wettability power, small size and high solar heat utilization rate.The present invention has the potentiality that develop into low (zero) carbon air-conditioning system of utilizing solar energy and nature energy, and can obtain under construction application widely.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of solar energy solid dehumidifying regeneration air-conditioning system of the present invention;
Fig. 2 is the Air Flow schematic diagram of adsorbent bed of the present invention under sucting wet state;
Fig. 3 is the Air Flow schematic diagram of adsorbent bed of the present invention under reproduced state.
The specific embodiment
Embodiment:
Structural representation of the present invention is as Fig. 1, 2, shown in 3, solar energy solid dehumidifying regeneration air-conditioning system of the present invention, include moisture absorption bed 5, Regenerative beds 6, sensible heat exchanger 7, air-cooling apparatus 8, cabin body 10, Air Flow dividing plate 11, thin type solid absorption layer 12, glass cover-plate 13, wherein moisture absorption bed 5 is identical with the structure of Regenerative beds 6, include cabin body 10, Air Flow dividing plate 11, thin type solid absorption layer 12, glass cover-plate 13, its middle deck body 10 is provided with air inlet and air outlet, thin type solid absorption layer 12 is placed in cabin body 10, glass cover-plate 13 is installed in the open end of cabin body 10, Air Flow dividing plate 11 is divided into some spaces along its length by cabin body 10, and on Air Flow dividing plate 11, have some pores, and the processed air 1 entering from moisture absorption bed 5 tops is equipped with on part holes top can cause it light seal sheet of these port sealings to lower compression, the interior formation of cabin body 10 makes processed air skip over thin type solid absorption layer 12 for more than 1 time, the successively absorbed many backhauls air-flow of its hygroscopic water, the side of moisture absorption bed 5 is also provided with the guaranteed bypath air passage 4 of stability of the outlet air state that makes moisture absorption bed 5, from moisture absorption bed 5 and bypath air passage 4 moisture absorption bed outlet mixing air 2 out, by sensible heat exchanger 7 and air-cooling apparatus 8, with low temperature and low humidity state, send into conditioned space 9 cooling, in the time of 5 operation of moisture absorption bed, under direct irradiation in sunshine, thin type solid absorption layer 12 in the Regenerative beds 6 identical with moisture absorption bed 5 structures can make to hide in the intrapore moisture evaporation of thin type solid absorption layer 12 and form steam under the irradiation of sunray, the indoor return air 3 of conditioned space 9 enters Regenerative beds 6 from sensible heat exchanger 7 bottoms after obtaining part heat by sensible heat exchanger 7, the indoor return air 3 that light seal sheet on the set pore of Air Flow dividing plate 11 can be washed open skips over thin type solid absorption layer 12, to amass be hidden in thin type solid absorption layer 12 intrapore steam and take away after from Regenerative beds 6 tops discharged to outdoor, indoor return air 3 is made one way along Regenerative beds 6 and is flowed in regenerative process.
Above-mentioned moisture absorption bed 5, Regenerative beds 6 can be switched mutually.
The pore having on above-mentioned Air Flow dividing plate 11 is minor diameter circular hole.
The side of above-mentioned Regenerative beds 6 is also provided with a bypath air passage 4.
The material that above-mentioned thin type solid absorption layer 12 is mixed by silica gel and microcapsule phase-change particle forms.
In the present embodiment, the pore that the pore of light seal sheet is housed on above-mentioned Air Flow dividing plate 11 and light seal sheet is not housed is along the symmetrical distribution in thin type solid absorption layer (12) both sides.
Operation principle of the present invention is as follows: the processed air 1 entering from moisture absorption bed 5 tops causes these hole sealings by these diaphragm seals to lower compression, so just, at the interior many backhauls of formation of cabin body 10 air-flow, sees Fig. 2.Processed air skips over thin type solid absorption layer 12 for more than 1 time, and its hygroscopic water is successively absorbed, and so just in moisture absorption bed 5 exits, meets the requirements of mass dryness fraction.Processed air 1 is in the absorbed while of its hygroscopic water, and the steam liberated heat part of condensing is absorbed by the phase transformation granular materials in thin type solid absorption layer 12, and remainder is taken away and caused its temperature to raise by processed air 1.The flow of the bypath air passage 4 being provided with by adjusting moisture absorption bed 5 sides, the stability of moisture absorption bed 5 outlet air states can be guaranteed.Cooling by sensible heat exchanger 7 and air-cooling apparatus 8 from moisture absorption bed 5 and bypath air passage 4 mixing air 2 out, then with low temperature and low humidity state, send into conditioned space 9.Air-cooling apparatus 8 can be mechanical compression refrigeration, evaporation or dew point etc.
In the time of moisture absorption bed 5 operation, under 6 of the Regenerative beds direct irradiation in sunshine.Because thin type solid absorption layer 12 is porous media material and its thinner thickness, sunray can pass saturating thin type solid absorption layer 12, and can make to hide in the intrapore moisture evaporation of thin type solid absorption layer 12 formation steam.The indoor return air (3) of conditioned space (9) is exactly regeneration air, first this part regeneration air obtains part heat by sensible heat exchanger 7, cause its temperature to rise to some extent, then from bottom, enter Regenerative beds 6, the light seal sheet arranging on circular hole is washed open, skip over equably thin type solid absorption layer 12, will amass and be hidden in thin type solid absorption layer 12 intrapore steam and take away.Meanwhile, this part regeneration air is also taken away the heat accumulating in microcapsule phase-change particle, causes condensing of phase-change material, finally from Regenerative beds 6 tops discharged to outdoor.In regenerative process, regeneration air obtains part heat by sensible heat exchanger, then in the mode of one way direct current by Regenerative beds, the steam producing in solid absorption layer is taken away, thereby is realized the regeneration of sorbing material.See Fig. 3.
Above-mentioned moisture absorption bed 5 has identical structure with Regenerative beds 6, and can regularly switch its function is put mutually, so just can guarantee the continuous operation of whole dehumidifier/air-conditioning system.
Claims (6)
1. solar energy solid dehumidifying regeneration air-conditioning system, it is characterized in that including processed air (1), moisture absorption bed outlet mixing air (2), indoor return air (3), bypath air passage (4), moisture absorption bed (5), Regenerative beds (6), sensible heat exchanger (7), air-cooling apparatus (8), conditioned space (9), wherein moisture absorption bed (5) is identical with the structure of Regenerative beds (6), include cabin body (10), Air Flow dividing plate (11), thin type solid absorption layer (12), glass cover-plate (13), its middle deck body (10) is provided with air inlet and air outlet, thin type solid absorption layer (12) is placed in cabin body (10), glass cover-plate (13) is installed in the open end of cabin body (10), Air Flow dividing plate (11) is divided into some spaces along its length by cabin body (10), and Air Flow dividing plate has some pores on (11), and the processed air (1) entering from moisture absorption bed (5) top is equipped with on part holes top can cause it light seal sheet of these port sealings to lower compression, in cabin body (10), form and make processed air (1) repeatedly skim over thin type solid absorption layer (12), the successively absorbed many backhauls air-flow of its hygroscopic water, the side of moisture absorption bed (5) is also provided with the guaranteed bypath air passage of stability (4) of the outlet air state that makes moisture absorption bed (5), from moisture absorption bed (5) and bypath air passage (4) moisture absorption bed outlet mixing air (2) out, by sensible heat exchanger (7) and air-cooling apparatus (8), with low temperature and low humidity state, send into conditioned space (9) cooling, when moisture absorption bed (5) moves, under direct irradiation in sunshine, thin type solid absorption layer (12) in the Regenerative beds (6) identical with moisture absorption bed (5) structure can make to hide in the intrapore moisture evaporation of thin type solid absorption layer (12) and form steam under the irradiation of sunshine, the indoor return air (3) of conditioned space (9) enters Regenerative beds (6) from sensible heat exchanger (7) bottom after obtaining part heat by sensible heat exchanger (7), the indoor return air (3) that light seal sheet on the set pore of Air Flow dividing plate (11) can be washed open skims over thin type solid absorption layer (12), to amass be hidden in the intrapore steam of thin type solid absorption layer (12) and take away after from Regenerative beds (6) top discharged to outdoor, indoor return air (3) is made one way along Regenerative beds (6) and is flowed in regenerative process.
2. solar energy solid according to claim 1 dehumidifying regeneration air-conditioning system, is characterized in that above-mentioned moisture absorption bed (5), Regenerative beds (6) can switch mutually.
3. solar energy solid dehumidifying regeneration air-conditioning system according to claim 1, is characterized in that the pore having on above-mentioned Air Flow dividing plate (11) is minor diameter circular hole.
4. solar energy solid dehumidifying regeneration air-conditioning system according to claim 1, is characterized in that the side of above-mentioned Regenerative beds (6) is also provided with a bypath air passage (4).
5. solar energy solid dehumidifying regeneration air-conditioning system according to claim 1, is characterized in that the material that above-mentioned thin type solid absorption layer (12) is mixed by silica gel and microcapsule phase-change particle forms.
6. solar energy solid dehumidifying regeneration air-conditioning system according to claim 1, is characterized in that the pore that the pore of light seal sheet is housed and light seal sheet is not housed on above-mentioned Air Flow dividing plate (11) is along the symmetrical distribution in thin type solid absorption layer (12) both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210102561.3A CN102620369B (en) | 2012-04-10 | 2012-04-10 | Solar solid dehumidifying and regenerating air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210102561.3A CN102620369B (en) | 2012-04-10 | 2012-04-10 | Solar solid dehumidifying and regenerating air-conditioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102620369A CN102620369A (en) | 2012-08-01 |
| CN102620369B true CN102620369B (en) | 2014-04-09 |
Family
ID=46560453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210102561.3A Active CN102620369B (en) | 2012-04-10 | 2012-04-10 | Solar solid dehumidifying and regenerating air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102620369B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421030B (en) * | 2017-07-21 | 2019-12-24 | 武汉大学 | Cooling system based on phase-change microcapsule liquid slurry cold storage device and operation method |
| CN107289550A (en) * | 2017-08-11 | 2017-10-24 | 广东工业大学 | A kind of solid air dehydrating unit and air-conditioning system |
| JP6885859B2 (en) * | 2017-12-26 | 2021-06-16 | 矢崎エナジーシステム株式会社 | Desiccant fittings |
| CN109323465A (en) * | 2018-11-06 | 2019-02-12 | 邹学俊 | It can damping solar energy air heat collector and application method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5726331A (en) * | 1980-07-24 | 1982-02-12 | Toyobo Co Ltd | Air cooling system and air conditioning system using activated carbon fiber |
| JPS631418A (en) * | 1986-06-21 | 1988-01-06 | Yoshitaka Kitaoka | Collecting water out of atmosphere and device for same |
| CN2357276Y (en) * | 1997-05-15 | 2000-01-05 | 财团法人工业技术研究院 | Composite solar water-heating/dehumidifying device |
| CN202018101U (en) * | 2011-04-07 | 2011-10-26 | 南京师范大学 | Multiple-source energy storage heat and humidity independent treating air-conditioning system |
| CN202692286U (en) * | 2012-04-10 | 2013-01-23 | 广东工业大学 | Solar solid dehumidification and regeneration air conditioning system |
-
2012
- 2012-04-10 CN CN201210102561.3A patent/CN102620369B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102620369A (en) | 2012-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Buker et al. | Recent developments in solar assisted liquid desiccant evaporative cooling technology—A review | |
| US4341539A (en) | Thermally regenerative desiccant element | |
| Baniyounes et al. | Experimental assessment of a solar desiccant cooling system for an institutional building in subtropical Queensland, Australia | |
| Bhabhor et al. | Progressive development in solid desiccant cooling: A review | |
| EP1064504B1 (en) | Desiccant assisted air conditioning system | |
| CN102506475A (en) | Heat pump system of heat humidity independent control driven by condensation waste heat and based on solid dehumidification | |
| CN102620369B (en) | Solar solid dehumidifying and regenerating air-conditioning system | |
| Singh et al. | Studies on cocopeat, sawdust and dried cow dung as desiccant for evaporative cooling system | |
| CN101266067A (en) | Energy-saving -type dehumidifying air-conditioning system | |
| Zeng et al. | The energy saving potential of thermo-responsive desiccants for air dehumidification | |
| Dadi et al. | Solar energy as a regeneration heat source in hybrid solid desiccant–vapor compression cooling system–A review | |
| CN102798202B (en) | Total heat exchanger and fresh air handling unit system | |
| Batukray | An overview on desiccant assisted evaporative cooling in hot and humid climates | |
| CN202692286U (en) | Solar solid dehumidification and regeneration air conditioning system | |
| Mohammed et al. | Desiccants enabling energy-efficient buildings: A review | |
| JPH06221618A (en) | Dehumidifying type air conditioning device | |
| SG183110A1 (en) | A dehumidifier and a method of dehumidification | |
| Ge et al. | Review of solar-powered desiccant cooling systems | |
| CN111577088A (en) | Dehumidifying window | |
| Jani et al. | A review on application of desiccant dehumidification–vapor compression hybrid cooling system in hot-humid climates | |
| CN201255476Y (en) | Regeneration thermal source apparatus of lithium chloride wheel adsorbing agent in air conditioner dehumidification system | |
| JP7036491B2 (en) | Humidity control device | |
| JP2007170786A (en) | Ventilation system | |
| Lof | DESICCANT svsrems | |
| Shelpuk et al. | Development programmes in solar desiccant cooling for residential buildings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |