CN2814209Y - Thermal pump driving energy accumulating solution dehumidifying air conditioner system - Google Patents
Thermal pump driving energy accumulating solution dehumidifying air conditioner system Download PDFInfo
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- CN2814209Y CN2814209Y CN 200520044569 CN200520044569U CN2814209Y CN 2814209 Y CN2814209 Y CN 2814209Y CN 200520044569 CN200520044569 CN 200520044569 CN 200520044569 U CN200520044569 U CN 200520044569U CN 2814209 Y CN2814209 Y CN 2814209Y
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Abstract
The utility model discloses a heat pump driving type energy-accumulating solution-dehumidifying air-conditioning system which comprises a heat pump, a fresh air dehumidifier, a solution regenerator, a cooling tower, and a liquid-storing tank that is arranged on a solution loop between the fresh air dehumidifier and the solution regenerator, wherein the heat pump is a water-cooling type cold water heat pump, a cold water end of the heat pump is connected with a tail end of an indoor air-conditioner, and a hot water end is connected to the solution regenerator or the cooling tower; reversal valves are arranged on hot water pipes among the solution regenerator, the cooling tower and the heat pump; the liquid-storing tank comprises a diluted solution tank and a concentrated solution tank. The utility model stores superfluous heat in the liquid-storing tank in a chemical energy method through system design, and adopts the control policies of time-share running and duplex condition switching, which completely solves the problem that the heat consumption is unmatched with the refrigeration capacity output of the system when the heat pump drives the regenerator, and effectively solves the problem that the unmatched cold and heat of the solution dehumidifying system, so that the integrative effect ratio of the system is obviously increased, and the independent heat-humidity control of the air conditioning system is achieved.
Description
Technical field
The utility model belongs to air-conditioning technical field, liquid desiccant air conditioning field especially, specifically a kind of energy storage type solution dehumidifying air-conditioning system.
Background technology
Solution dehumidifying air-conditioning system based on the wet independent control of heat has many good qualities.At first, it can effectively kill airborne bacterium, removes dust and other nuisance, has avoided coagulating the mould contamination that water surface caused.Secondly, it is the air-conditioning system of a direct current of brand-new wind, and this makes indoor air quality be significantly improved.Simultaneously, this air-conditioning system has very important meaning for building energy conservation.
Present solution dehumidifying air-conditioning system comprises fresh air dehumidification device and solution regenerator, and wherein the driving heat source of regenerator can be selected the waste heat of equipment such as municipal heating systems hot water, conventional heat pump condenser.The only northerly most of city of municipal administration heat supply network, city has, and the hot water temperature is difficult for regulating.Adopt heat pump driven solution dehumidification system to be fresh air conditioner-mechanical at present, it utilizes the condenser heat of conventional heat pump condenser directly to drive solution regeneration, evaporimeter then is used to the latent heat that discharges in the cooling and dehumidifying process, but be not easy to solve the unmatched problem of cold and hot amount, simultaneously because it only handles new wind, this system also needs to join a handpiece Water Chilling Units again and is used for removing the building sensible heat load, and the equipment of whole system is complicated.
Therefore, solve the cold and hot mismatch problem of solution dehumidification system, designing the high dehumidifier/air-conditioning system of simple, easily manufactured, the comprehensive efficiency of a kind of device structure becomes the technical barrier that those skilled in the art press for solution.
Summary of the invention
Technical problem to be solved in the utility model is to propose a kind of heat pump driven energy storage type solution dehumidifying air-conditioning system, to overcome the above-mentioned defective that prior art exists.
The technical scheme of the utility model technical solution problem is as follows:
A kind of heat pump driven energy storage type solution dehumidifying air-conditioning system, it is characterized in that, system comprises heat pump, fresh air dehumidification device, solution regenerator, cooling tower, is arranged on the fluid reservoir on the solution loop between fresh air dehumidification device and the solution regenerator, described heat pump is a water-cooled cold water heat pump, its cold water end links to each other with room conditioning is terminal, the hot water end links to each other with solution regenerator or cooling tower, on the hot-water line between solution regenerator, cooling tower and the heat pump reversal valve is set;
Described fluid reservoir comprises weak solution jar and concentrated solution jar; Described concentrated solution jar one end connects the taphole of solution regenerator, the other end connects the solution inlet of fresh air dehumidification device by the concentrated solution pump, described weak solution jar one end connects the taphole of fresh air dehumidification device, the other end connects the solution inlet of solution regenerator by the weak solution pump, concentrated solution is delivered to the fresh air dehumidification device from the concentrated solution jar, the weak solution that forms after the moisture absorption is from flowing back in the weak solution jar, weak solution in the weak solution jar is sent to and concentrates regeneration in the regenerator, and the concentrated solution overflow after the regeneration is got back in the concentrated solution jar.
The utility model stores unnecessary heat mode with chemical energy in liquid storage is irritated by system's design, the control strategy that adopts time-division operation, duplexing condition to switch, solved heat pump heat consumption and system's cold when the driving regenerator unmatched problem of exerting oneself fully, solved the cold and hot mismatch problem of solution dehumidification system effectively, can significantly improve the comprehensive Energy Efficiency Ratio of system, the COP of heat pump can bring up to 5.0 under the non-regeneration operating mode from 3.0, and makes the comprehensive Energy Efficiency Ratio of described system reach 5.5～6.0.Simultaneity factor adopts water-cooled cold water high temperature heat pump, the high-temperature-hot-water that utilizes heat pump to produce drives regenerator, chilled water is then with removing indoor sensible heat load, can constitute a complete air-conditioning system with simple fresh air dehumidification device (not carrying heat pump), regenerator etc., make system equipment simpler, and realized the wet independent control of heat of air-conditioning system.
When this system moved, terminal dry-type fan coil was used to remove indoor sensible heat load in the most of supply chamber of the chilled water that heat pump produces, and the fraction chilled water then enters the fresh air dehumidification device of being with the solution recuperation of heat, takes away the heat that produces in the dehumidification process.The hot water that heat pump produces is then sent into regenerator the solution that dilutes because of dehumidifying is concentrated regeneration, and the concentrated solution overflow after the regeneration enters the concentrated solution tank stores and gets up for new blower fan use.If the concentrated solution amount in the fluid reservoir has reached the dehumidifying demand of this day, then to close regenerator, open cooling tower simultaneously, cooling tower dissipates on the hot water that heat pump produces.Because this moment, the hot water temperature can drop to about 37 ℃, so the COP of heat pump can be greatly improved.The fresh air dehumidification device uses the concentrated solution that has stored in fluid reservoir to finish dehumidification process.Because the concentrated solution accumulation of energy is to store chemical energy, its energy storage density is about 3～5 times of ice cold-storage, and fluid reservoir is without any need for the insulation measure, and is simple in structure, easily manufactured.
Remarkable result of the present utility model:
1, the utility model proposes a kind of heat pump driven energy storage type solution dehumidifying air-conditioning system, solved the cold and hot mismatch problem that solution dehumidifying air-conditioning system exists, make also to be easy to use based on the wet independent solution dehumidifying air-conditioning system of controlling of heat, when improving indoor air quality, reduce energy resource consumption in the area of no municipal heating systems.
2, during operation of heat pump regeneration operating mode, 60 ℃～75 ℃ hot water is used for regeneration, and the cold water then major part sensible heat load, the fraction that are used to remove the room is used for the latent heat that the cooling and dehumidifying process discharges.When regenerator is closed, during the operation of heat pump worst cold case, about 32 ℃～37 ℃ of hot water temperature, COP can reach 5.0, the comprehensive Energy Efficiency Ratio of whole system reaches 5.5～6.0, is higher than the Energy Efficiency Ratio of conventional heat pump.
3, whole air-conditioning system no longer needs other Cooling and Heat Source except that fresh air dehumidification device, solution regenerator and heat pump, and apparatus-form is simpler.
Description of drawings
Fig. 1 is the utility model air-conditioning system syndeton schematic diagram.
The specific embodiment
Further specify the specific embodiment of the present utility model below in conjunction with accompanying drawing.
Referring to Fig. 1, a kind of heat pump driven energy storage type solution dehumidifying air-conditioning system that the utility model proposes, system comprises heat pump 1, fresh air dehumidification device 2, solution regenerator 3, cooling tower 6, is arranged on fluid reservoir on the solution loop between fresh air dehumidification device and the solution regenerator etc., described heat pump is a water-cooled cold water heat pump 1, its cold water end links to each other with room conditioning is terminal, the hot water end links to each other with solution regenerator 3 or cooling tower 6, on the hot-water line between solution regenerator 3, cooling tower 6 and the heat pump reversal valve is set;
Described fluid reservoir comprises weak solution jar 4 and concentrated solution jar 5; Described concentrated solution jar 5 one ends connect the taphole of solution regenerator 3, the other end connects the solution inlet of fresh air dehumidification device 2 by concentrated solution pump 15, described weak solution jar 4 one ends connect the taphole of fresh air dehumidification device 2, the other end connects the solution inlet of solution regenerator 3 by weak solution pump 16, concentrated solution 7 is delivered to fresh air dehumidification device 2 from concentrated solution jar 5, the weak solution 8 that forms after the moisture absorption is from flowing back in the weak solution jar 4, weak solution 9 in the weak solution jar 4 is sent to and concentrates regeneration in the regenerator 3, and concentrated solution 7 overflows after the regeneration are got back in the concentrated solution jar 5.
The method of operation of the utility model air-conditioning system: the method for operation and the regular solution dehumidification system of fresh air dehumidification device 2 and solution regenerator 3 are similar, concentrated solution 7 is delivered to fresh air dehumidification device 2 by concentrated solution pump 15 from concentrated solution jar 5, carry out the caloic exchange with the outdoor new wind that enters dehumidifier 2, after being dehumidified, new wind sends into the room, in order to make full use of the energy of return air, also be provided with the full heat recovery module of solution in the dehumidifier, return air is carried out full recuperation of heat, and then be discharged to outdoorly, finish the diluted weak solution in dehumidifying back 8 from flowing back in the weak solution jar 4.Weak solution 9 in the weak solution jar 4 is delivered to by weak solution pump 16 and is concentrated regeneration in the regenerator 3, and the concentrated solution overflow after the regeneration is got back in the concentrated solution jar 5.In the weak solution jar, be provided with a high level switch A and a low liquid-level switch B.When system brings into operation, heat pump 1 operation high-temperature-hot-water operating mode (leaving water temperature is 60 ℃～75 ℃), fresh air dehumidification device 2 and solution regenerator 3 standard-sized sheets, hot water 11 enter regenerator and drive regeneration and carries out, and the hot water 12 after the heat exchange cooling enters the heat pump device heating that is condensed again.Heat pump cold water 13 major parts are sent into the room and are removed sensible heat load, and fraction is sent into fresh air dehumidification device 2 and taken away the heat that discharges in the dehumidification process.Carrying out along with regenerative process, liquid level in the weak solution jar 4 constantly reduces, when liquid level is reduced to low liquid-level switch B when following, the regenerative process that weak solution is described is finished, close regenerator 3 and open cooling tower 6 this moment, make heat-pump hot-water 11 deliver to cooling tower 6 heat radiations by valve (17,18) switching, the hot water 12 after the heat radiation flows back to heat pump 1, stable back operation of heat pump low-temperature water heating operating mode (about 37 ℃ of water outlets).Fresh air dehumidification device 2 continues to use the concentrated solution that stores in the concentrated solution jar to dehumidify, carrying out along with dehumidification process, liquid level in the weak solution jar constantly rises, when treating that liquid level rises to high level switch A, illustrate that concentrated solution is all diluted, open regenerator 3 this moment, close cooling tower 6 that switch valve (17,18) makes the hot water 11 of heat pump enter regenerator 3 and drives regeneration again, finish until regenerative process, so repeatedly circulation.
Claims (2)
1. heat pump driven energy storage type solution dehumidifying air-conditioning system, it is characterized in that, system comprises heat pump (1), fresh air dehumidification device (2), solution regenerator (3), cooling tower (6), is arranged on the fluid reservoir on the solution loop between fresh air dehumidification device and the solution regenerator, described heat pump is a water-cooled cold water heat pump (1), its cold water end links to each other with room conditioning is terminal, the hot water end links to each other with solution regenerator (3) or cooling tower (6), on the hot-water line between solution regenerator (3), cooling tower (6) and the heat pump reversal valve is set;
Described fluid reservoir comprises weak solution jar (4) and concentrated solution jar (5); Described concentrated solution jar (5) one ends connect the taphole of solution regenerator (3), the other end connects the solution inlet of fresh air dehumidification device (2) by concentrated solution pump (15), described weak solution jar (4) one ends connect the taphole of fresh air dehumidification device (2), the other end connects the solution inlet of solution regenerator (3) by weak solution pump (16), concentrated solution (7) is delivered to fresh air dehumidification device (2) from concentrated solution jar (5), the weak solution that forms after the moisture absorption (8) flows back in the weak solution jar (4) certainly, weak solution (9) in the weak solution jar (4) is sent to and concentrates regeneration in the regenerator (3), and the concentrated solution after the regeneration (7) overflow is got back in the concentrated solution jar (5).
2. heat pump driven energy storage type solution dehumidifying air-conditioning system according to claim 1 is characterized in that, the leaving water temperature scope of described high temperature heat pump (1) hot water side is 32 ℃～75 ℃, and the leaving water temperature scope of cold water side is 14 ℃～20 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520044569 CN2814209Y (en) | 2005-08-26 | 2005-08-26 | Thermal pump driving energy accumulating solution dehumidifying air conditioner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520044569 CN2814209Y (en) | 2005-08-26 | 2005-08-26 | Thermal pump driving energy accumulating solution dehumidifying air conditioner system |
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| Publication Number | Publication Date |
|---|---|
| CN2814209Y true CN2814209Y (en) | 2006-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200520044569 Expired - Fee Related CN2814209Y (en) | 2005-08-26 | 2005-08-26 | Thermal pump driving energy accumulating solution dehumidifying air conditioner system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1333206C (en) * | 2005-08-26 | 2007-08-22 | 清华大学 | Heat pump driven energy storage type solution dehumidifying air-conditioning system |
| CN114413368A (en) * | 2022-03-01 | 2022-04-29 | 沈阳澳蓝节能科技有限公司 | Solution dehumidification indirect evaporation refrigerating system based on cold accumulation and chemical energy storage |
-
2005
- 2005-08-26 CN CN 200520044569 patent/CN2814209Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1333206C (en) * | 2005-08-26 | 2007-08-22 | 清华大学 | Heat pump driven energy storage type solution dehumidifying air-conditioning system |
| CN114413368A (en) * | 2022-03-01 | 2022-04-29 | 沈阳澳蓝节能科技有限公司 | Solution dehumidification indirect evaporation refrigerating system based on cold accumulation and chemical energy storage |
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| CF01 | Termination of patent right due to non-payment of annual fee |