CN100498089C - Air-conditioning system for liquid dehumidification using solar energy and geothermal energy - Google Patents
Air-conditioning system for liquid dehumidification using solar energy and geothermal energy Download PDFInfo
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- CN100498089C CN100498089C CNB2007100262574A CN200710026257A CN100498089C CN 100498089 C CN100498089 C CN 100498089C CN B2007100262574 A CNB2007100262574 A CN B2007100262574A CN 200710026257 A CN200710026257 A CN 200710026257A CN 100498089 C CN100498089 C CN 100498089C
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- 239000007788 liquid Substances 0.000 title claims abstract description 16
- 238000007791 dehumidification Methods 0.000 title claims description 10
- 238000004378 air conditioning Methods 0.000 title abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000012546 transfer Methods 0.000 claims description 11
- 230000008929 regeneration Effects 0.000 claims description 10
- 238000011069 regeneration method Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 5
- 230000003416 augmentation Effects 0.000 claims description 2
- 238000005338 heat storage Methods 0.000 claims 1
- 238000009825 accumulation Methods 0.000 abstract description 2
- 238000007710 freezing Methods 0.000 abstract description 2
- 230000008014 freezing Effects 0.000 abstract description 2
- 230000001172 regenerating effect Effects 0.000 abstract description 2
- 238000001704 evaporation Methods 0.000 abstract 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 229910052731 fluorine Inorganic materials 0.000 abstract 1
- 239000011737 fluorine Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 93
- 239000003570 air Substances 0.000 description 31
- 238000001816 cooling Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses an air conditioning system for using solar energy and ground energy to dehumidify the liquid, wherein, the dehumidifying tower, the fan 1, and the evaporating cooler are connected; the bottom of dehumidifying tower is arranged with a solution collecting groove; the dehumidifying tower contains a strengthen medium transmitter I; the solution collecting groove is connected with one end of solution pump, while another end of solution pump is arranged with a solution preheating device and a water-solution heat exchanger I connected with the underground thermal source; another branch is mounted with a water-solution heat exchanger II, a regenerating tower, an air heater, and a water-solution heat exchanger. The solar-energy collector is connected with the air heater and the thermal accumulation water box, while the tubes are arranged with function valve and solution pump. The invention can completely utilize the regenerated energy, use the ground heat to control the dehumidify temperature and dehumidify power of solution, use the evaporating cooler to control the temperature reduction of air to decide the heat release of indoor air. The invention not utilizes fluorine freezing agent.
Description
Technical field:
The present invention relates to the air-conditioner technical field, refer in particular to a kind of air handling system of utilizing solar energy and geothermal energy to carry out liquid dehumidifying.
Background technology:
Along with economic development and population growth, non-renewable energy resources consumption is quickened in recent years, and shortage appears in supply, and people pay attention to the new and renewable sources of energy research and development further and utilize, and solar energy and geothermal energy are exactly main new and renewable sources of energy.According to the study, the sun shines tellurian energy and just be equivalent to 5,000,000 tons of coals each second, and big shallow surface such as same huge solar heat-preservation device are collected and have been stored 47% of solar energy, find one effectively to utilize approach will greatly alleviate human energy resource supply pressure.
Up to now, comprehensive utilization solar energy and geothermal energy are carried out air conditioning and are not occurred as yet in air-conditioning technical field, though evaporative cooling and ejector refrigeration had obtained some practical applications already as independence or auxiliary cooling means.But, the common drawback of prior art is to utilize the single energy, can not be comprehensively advantage separately, maximize favourable factors and minimize unfavourable ones, as freezing, heat, dehumidify the integrated use of major technique means, in heat deficiency in superfluous winter in summer, and that electric energy is supplied with is stable but non-renewable such as solar energy system solar energy, geothermal energy, several energy of electric energy, therefore, problems such as efficiency of energy utilization is low, versatility is not strong appear.
Summary of the invention:
The objective of the invention is to overcome the deficiencies in the prior art part, a kind of air handling system of utilizing solar energy and geothermal energy to carry out liquid dehumidifying is provided.
For achieving the above object, technical scheme provided by the invention is: a kind of air handling system of utilizing solar energy and geothermal energy to carry out liquid dehumidifying, include dehumidification system and dehumidifying liquid regeneration cycle system, 1) dehumidification system includes dehumidifying tower, blower fan I, devaporizer, solution pump I, the dehumidifying tower links to each other with blower fan I, blower fan I links to each other with devaporizer again, the dehumidifying tower bottom is provided with the solution feeder, solution pump I gets to the dehumidifying top of tower with solution, and dehumidifying is provided with in the tower and is used for reinforcement mass transfer parts I that indoor return air and solution are carried out heat, matter exchange; 2) dehumidifying liquid regeneration cycle system includes underground thermal source, solution preheater, solution pump II, water-solution heat exchanger I, water-solution heat exchanger II, solar thermal collector, regenerator, blower fan II, air heater and control valve, solution pump III, solution pump IV, and the solution feeder of dehumidifying tower links to each other with the end of solution pump II by pipeline; The other end of solution pump II is divided into two branches:
A branch links to each other with the solution preheater by pipeline, this pipeline is provided with control valve, and the solution preheater links to each other with underground thermal source by pipeline, and this pipeline is provided with control valve, underground thermal source links to each other with water-solution heat exchanger I by pipeline again, also is provided with control valve on this pipeline;
Another branch links to each other with water-solution heat exchanger II, water-solution heat exchanger II places in the hot water storage tank, water-solution heat exchanger II is connected to the top of regenerator again by pipeline, blower fan II is connected between air heater and the regenerator, the bottom of regenerator is provided with the solution feeder, this solution feeder is connected with water-solution heat exchanger I by pipeline, and solar thermal collector links to each other with air heater and hot water storage tank respectively, and is equipped with function valve body and solution pump on the pipeline that connects;
In addition, be equipped with stop valve on two branches and solution preheater and the pipeline that water-solution heat exchanger II is connected.
For the stability that improves thermal source also has additional the electrical heating auxiliary thermal source on the pipeline of air heater and water-solution heat exchanger II.
The present invention can realize following advantage by the enforcement of technique scheme:
1. fully use renewable energy solar energy, geothermal energy etc.;
2. utilize the method for aqueous chemical dehumidifying, moisture removal is big, does not need to consume high-grade energy, as electric energy etc.;
3. the dehumidifying temperature of thermal control solution, thus the size of moisture removal controlled; Devaporizer is controlled the cooling of air, has determined the sensible heat burst size of room air.Dehumidifying of both independent control systems and cooling, the demand of satisfied two aspects easily.
4. do not use fluorinated refrigerant, belong to the environment-friendly and green air-conditioning system.
5. the required thermal source of regenerating is comprehensively provided by solar energy and geothermal energy, is supplied with by temperature controller control hot water flow by required temperature respectively.In addition, use auxiliary thermal source when solar energy is not enough, guarantee the energy that regeneration is required.
Description of drawings:
Accompanying drawing 1 is structural representation of the present invention.
Description of reference numerals: 1. underground thermal source, 2. water-solution heat exchanger I, 3. dehumidifying tower, 4. blower fan I, 5. devaporizer, 6. stop valve, 7. air heater, 8. water flow switch I9. strengthens mass transfer parts II, 10. regenerator, 11. solar thermal collector, 12. water-solution heat exchanger II, 13. hot water storage tank, 14. blower fan II, 15～20. control valves, 21. solution pump II, 22. solution pump I, 23 ~ 24. solution feeders, 25. indoor return air, 26. air-supply, 27. outdoor air, 28. air draft, 29. solar thermal collector, 30. check valve I, 31 ~ 33. stop valves, 34. solution preheater, 35. auxiliary thermal source, 36. water flow switch II, 37. check valve II, 38. solution pump IV, 39. solution pump III, 40. strengthen mass transfer parts I
The specific embodiment:
Shown in accompanying drawing 1:
Dehumidification system includes dehumidifying tower 3, blower fan I 4, devaporizer 5, solution pump I 22, the tower 3 that wherein dehumidifies links to each other with blower fan I 4, blower fan I 4 links to each other with devaporizer 5 again, blower fan I 4 is used for bringing the indoor return air 25 after the dehumidifying into devaporizer 5 by dehumidifying tower 3, dehumidifying tower 3 inside are provided with carries out the augmentation of heat transfer medium I40 that heat, matter exchange with outdoor air and solution, dehumidifying tower 3 bottoms are provided with solution feeder 23, are used to collect the solution of dilution after overheated, matter exchange.Indoor return air 25 by in the blower fan I 4 suction dehumidifying tower 3 through " washing " of dehumidification solution, remove to send in the devaporizer 5 behind redundant moisture and the dust and lower the temperature, obtain all qualified air-supply of temperature and humidity 26 and send into indoor.Dehumidification solution in the dehumidifying tower 3 has very strong hygroscopic effect, get to the top of dehumidifying tower 3 by solution pump I 22 by the qualified concentrated solution that obtains after the dehumidifying liquid regeneration cycle system handles, after solution dispenser, form uniform flow of solution, the reinforcement mass transfer parts that enter in the dehumidifying tower 3 (are strengthened the mass transfer parts and are comprised various packing layers, surface cooler, wetted wall tower and spray chamber etc.), indoor return air 25 carries out heat with solution here, the matter exchange, method by the chemistry dehumidifying absorbs redundant moisture in the air in the solution, solution flows into solution feeder 23 after becoming weak solution, enters dehumidifying liquid regeneration cycle system then in order to circulation next time.
Dehumidifying liquid regeneration cycle system includes underground thermal source 1, solution preheater 34, solution pump II 21, water-solution heat exchanger I 2, water-solution heat exchanger II 12, solar thermal collector 29, regenerator 10, blower fan II 14, air heater 7 and control valve 15～20, solution pump III39, solution pump IV 38, and the solution feeder 23 of dehumidifying tower 3 links to each other with the end of solution pump II 21 by pipeline; The other end of hydraulic pump II 21 is divided into two branches:
A branch links to each other with solution preheater 34 by pipeline, this pipeline is provided with stop valve 31, solution preheater 34 links to each other with underground thermal source 1 by pipeline, this pipeline is provided with control valve 17,18, underground thermal source 1 links to each other with water-solution heat exchanger I 2 by pipeline again, also be provided with control valve 15 on this pipeline, 16, control valve 15 during summer, 16 open, control valve 17,18 close, the leaving water temperature of underground thermal source 1 is lower than ambient air temperature, by control valve 15 controls underground water is sent into water-solution heat exchanger I2 earlier solution is lowered the temperature, get back to underground heat radiation then by control valve 16 again.During winter, the underground water temperature is higher, and control valve 15,16 cuts out, and control valve 17,18 is opened, and underground heat is directly delivered to solution preheater 34 by control valve 17 and tentatively heated;
Another branch links to each other with water-solution heat exchanger II 12, water-solution heat exchanger II 12 places in the hot water storage tank 13, water-solution heat exchanger II 12 is connected to the top of regenerator 10 again by pipeline, blower fan II 14 is connected between air heater 7 and the regenerator 10, the bottom of regenerator 10 is provided with solution feeder 24, this solution feeder 24 is connected with water-solution heat exchanger I2 by pipeline, is equipped with stop valve 32,33 on two branches and solution preheater 34 and the pipeline that water-solution heat exchanger II 12 is connected.
The course of work of dehumidifying liquid regeneration cycle system is the solution feeder 23 through inflow dehumidifying tower 3 bottoms behind the solution thinning after the dehumidification system dehumidifying work, squeeze into 34 preheatings of solution preheater by hydraulic pump II 21 again, during winter, stop valve 31 is opened, stop valve 33 is closed, at stop valve 31 in summer, 32 close, stop valve 33 is opened, (regenerability of solution was subjected to the temperature effect of solution very big after solution was directly sent into and is heated to more than 60 ℃ by water among water-solution heat exchanger II 12, can strengthen the power of regeneration of solution like this, and constant temperature water tank can provide stable operating mode) top spray of delivering to regenerator 10 gets off, reinforcement mass transfer parts II 9 in regenerator 10 contacts (this outdoor air 27 becomes air draft 28 to discharge after acting on) in regenerator 10 with the outdoor air of sending into through air heater 7 heating 27, solution discharges part moisture, again become in the solution feeder 24 that concentrated solution flows to regenerator 10 bottoms, boost through solution pump I22 and to send among water-solution heat exchanger I 2 cooling, carry out next one again and circulate.Meanwhile, outdoor air is pumped in the air heater 7 by blower fan II 14 and is heated to about 40 ℃, delivers in the regenerator 10, carries out heat, matter exchange at reinforcement mass transfer parts II 9 places of regenerator 10 and solution.Become hot and humid air row to outdoor.
In above-mentioned circulation, the thermal source that regenerative process is used is mainly provided by solar energy, solar thermal collector 29 (the thermal-arrest mode can be flat board, vacuum tube, heat pipe etc.) links to each other with air heater 7 and water-solution heat exchanger II 12 respectively, and the pipeline that connects is provided with a plurality of function valve bodies: stop valve 6, water flow switch I 8, control valve 19,20, water flow switch II 36, check valve I 30, check valve II 37 and solution pump III 39, solution pump IV38.The heating water solar thermal collector 29 back temperature of flowing through can reach 80 ℃, send in the hot water storage tank 13 by the weak solution behind water-solution heat exchanger II 12 heating and dehumidifications, valve 19 band attemperating units, when the temperature of hot water storage tank is lower than design load, control valve 19 is opened, accumulation of heat water is got back to solar thermal collector 29 and is reheated, and check valve I 30, check valve II 37 are arranged on and prevent aqueous reflux on the pipeline.For the stability that improves thermal source also has additional electrical heating auxiliary thermal source 35 on the pipeline of air heater 7 and water-solution heat exchanger II 12, auxiliary thermal source 35 can be an electrical heating wire, also can be other low-grade used heat and waste heats.Auxiliary thermal source can with hot water storage tank independent design (as this example), also can be integrated with hot water storage tank.Run into overcast and rainy or solar energy when inadequate, need to start auxiliary thermal source, auxiliary thermal source band attemperating unit, when inlet water temperature was higher than design load, auxiliary thermal source was not worked, and when water temperature was lower than design load, auxiliary thermal source was opened, and added hot water to rated value.
The embodiment of the above is preferred embodiment of the present invention only, is not to limit practical range of the present invention with this, so the equivalence that all shapes according to the present invention, structure and principle are done changes, all should be covered by in protection scope of the present invention.
Claims (2)
1, a kind of air handling system of utilizing solar energy and geothermal energy to carry out liquid dehumidifying includes dehumidification system and dehumidifying liquid regeneration cycle system, it is characterized in that:
1) dehumidification system includes dehumidifying tower, blower fan I, devaporizer, solution pump I, the dehumidifying tower links to each other with blower fan I, blower fan I links to each other with devaporizer again, the dehumidifying tower bottom is provided with solution feeder I, solution pump I gets to the dehumidifying top of tower with solution, and dehumidifying is provided with in the tower and is used for reinforcement mass transfer media I that indoor return air and solution are carried out heat, matter exchange;
2) dehumidifying liquid regeneration cycle system includes underground thermal source, solution preheater, solution pump II, water-solution heat exchanger I, water-solution heat exchanger II, solar thermal collector, regenerator, blower fan II, air heater and control valve I, control valve II, control valve III, control valve IV, control valve V, control valve VI, solution pump III, solution pump IV, dehumidifying tower inside is provided with the augmentation of heat transfer medium II that outdoor air and solution is carried out heat, matter exchange, and the solution feeder I of the tower that dehumidifies links to each other with the end of solution pump II by pipeline; The other end of solution pump II is divided into two branches:
A branch links to each other with the solution preheater by pipeline, this pipeline is provided with stop valve I, stop valve II, the solution preheater links to each other with underground thermal source by pipeline, this pipeline is provided with control valve III, control valve IV, underground thermal source links to each other with water-solution heat exchanger I by pipeline again, also is provided with control valve I, control valve II on this pipeline;
Another branch links to each other with water-solution heat exchanger II, this pipeline is provided with stop valve III, water-solution heat exchanger II places in the hot water storage tank, water-solution heat exchanger II is connected to the top of regenerator again by pipeline, blower fan II is connected between air heater and the regenerator, establish in the regenerator and strengthen mass transfer parts II, the bottom of regenerator is provided with solution feeder II, this solution feeder II is connected with water-solution heat exchanger I by pipeline, the solar thermal collector that one end is provided with stop valve IV links to each other with air heater and hot water storage tank respectively, wherein be serially connected with water flow switch I on air heater and the pipeline that solar thermal collector is connected, solution pump III, and water flow switch II, be serially connected with control valve VI on heat storage water tank and the pipeline that solar thermal collector is connected, solution pump IV, auxiliary thermal source and control valve V.
2, a kind of air handling system of utilizing solar energy and underground heat to carry out liquid dehumidifying according to claim 1 is characterized in that: also have additional the electrical heating auxiliary thermal source on the pipeline of air heater and water-solution heat exchanger II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100262574A CN100498089C (en) | 2007-01-09 | 2007-01-09 | Air-conditioning system for liquid dehumidification using solar energy and geothermal energy |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100262574A CN100498089C (en) | 2007-01-09 | 2007-01-09 | Air-conditioning system for liquid dehumidification using solar energy and geothermal energy |
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| Publication Number | Publication Date |
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| CN101012950A CN101012950A (en) | 2007-08-08 |
| CN100498089C true CN100498089C (en) | 2009-06-10 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101629744B (en) * | 2009-04-09 | 2011-09-14 | 内蒙古科技大学 | Liquid regenerating heater of liquid desiccant air conditioner |
| CN102000478A (en) * | 2010-10-29 | 2011-04-06 | 中国农业大学 | Dehumidification liquid regenerating method and device |
| CN102032632A (en) * | 2010-12-31 | 2011-04-27 | 张茂勇 | Novel energy resource air conditioning mode and system |
| CN102425832A (en) * | 2011-11-28 | 2012-04-25 | 同济大学 | Air conditioning method and air conditioning system based on directly utilizing solar-ground heat |
| CN102589060A (en) * | 2012-03-12 | 2012-07-18 | 上海理工大学 | Experimental apparatus for cooling and heating humidity-adjustable air conditioning systems |
| CN102853485B (en) * | 2012-09-29 | 2015-04-22 | 浙江理工大学 | Boiling type regenerative solution dehumidification system driven by solar energy and ground source energy |
| CN103727750B (en) * | 2013-11-12 | 2015-10-21 | 东南大学常州研究院 | A kind of solution dehumidification type solar energy drying room |
| CN104118918B (en) * | 2014-08-15 | 2016-01-06 | 南京工业大学 | Utilize waste water vaporization system of solar energy |
| CN107152737B (en) * | 2016-03-03 | 2020-05-29 | 武汉海尔电器股份有限公司 | Method and device for controlling heating reduction of dehumidification film |
| CN107255370A (en) * | 2017-07-10 | 2017-10-17 | 陕西德龙地热开发有限公司 | A kind of mid-deep strata geothermal energy direct heating system |
| CN109618686B (en) * | 2019-01-31 | 2023-08-25 | 中原工学院 | Solar heat pump solution dehumidifying, composite drying and low-temperature ventilation grain storage system |
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