CN203797832U - Fresh air system for heat pump direct expansion type solution dehumidification - Google Patents
Fresh air system for heat pump direct expansion type solution dehumidification Download PDFInfo
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- CN203797832U CN203797832U CN201420124059.7U CN201420124059U CN203797832U CN 203797832 U CN203797832 U CN 203797832U CN 201420124059 U CN201420124059 U CN 201420124059U CN 203797832 U CN203797832 U CN 203797832U
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- solution
- regeneration
- heat pump
- fresh air
- condenser
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 37
- 230000008929 regeneration Effects 0.000 claims abstract description 50
- 238000011069 regeneration method Methods 0.000 claims abstract description 50
- 238000005057 refrigeration Methods 0.000 claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000009833 condensation Methods 0.000 abstract description 13
- 230000005494 condensation Effects 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 239000007788 liquid Substances 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Abstract
The utility model relates to a solution dehumidification system for heat pump direct expansion type condensation heat cascade use, in particular to a fresh air system for heat pump direct expansion type solution dehumidification. The fresh air system comprises a heat pump refrigeration cycle system, a solution system and an air system. The heat pump refrigeration cycle system comprises a compressor, a shell and tube condenser, a finned condenser, a solution accumulator, a filter, an expansion valve and an evaporator. The solution system comprises a fresh air dehumidifier, a solution regenerator and a solution pump, and the solution pump is arranged on a solution circuit between the fresh air dehumidifier and the solution regenerator. The air system comprises a fresh air feeder and a regeneration blower. Condensation heat is divided into two parts, one par is used for heating up regeneration solution, the other part is used for heating up regeneration air, regeneration temperature of the solution is guaranteed, and the problem that the regeneration air influences the regeneration temperature of the solution in the process of regeneration is solved.
Description
Technical field
The utility model relates to a kind of heat pump direct-expansion type solution dehumidification VMC, belongs to liquid desiccant air conditioning unit design.
Background technology
Energy-saving and emission-reduction, build a resource-conserving society and become when last very important work, because the energy consumption of central air-conditioning has accounted for 40 ~ 60% of building total energy consumption.So reducing central air conditioner system energy consumption becomes an important directions of whole society's energy-saving and emission-reduction.Along with the proposition of humiture sub-control concept, the Application and Development of solution dehumidification system, solution system improves and the further energy-conservation problem instantly that also becomes.
In traditional solution dehumidification system, solution working concentration is higher, and regeneration difficulty is large, and regeneration temperature requires high, and condensation heat whole in refrigeration system all enter into actified solution, have caused refrigeration system condensation temperature too high, and Energy Efficiency Ratio reduces; In regenerator, regeneration air inlet temperature is lower, differs larger with actified solution temperature, affects regeneration effect.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, the step control that provides the condensation heat in a kind of solution dehumidification system to use, can solve and avoid refrigeration system condensation temperature too high, also can improve regeneration air temperature, reach the object that improves refrigeration system Energy Efficiency Ratio and improve regeneration effect simultaneously.
Concrete technical scheme of the present utility model is: a kind of heat pump direct-expansion type solution dehumidification VMC, comprises the heat pump refrigerating circulatory system, solution system and wind system; The described heat pump refrigerating circulatory system comprises the refrigeration cycle that compressor, first-stage condenser, secondary condenser, reservoir, filter, expansion valve and evaporimeter form;
Described solution system comprises fresh air dehumidification device, solution regenerator and is arranged on the solution pump on the solution loop between fresh air dehumidification device and solution regenerator;
Described wind system comprises the breeze fan that is separately positioned on fresh air dehumidification device inner side and the regeneration blower fan that is arranged on solution regenerator inner side, low temperature concentrated solution enters described fresh air dehumidification device and absorbs moisture in air, hot and humid new eolianly send into indoor by breeze fan for dry wind, low temperature concentrated solution becomes the weak solution that temperature is slightly high, weak solution with carry out heat exchange from the high temperature concentrated solution of solution regenerator, after the preliminary rising of weak solution temperature, in Shell-tube Condenser, heat absorption becomes pyrosol, send into solution regenerator regeneration, regeneration blower fan is introduced regeneration wind and is taken away the moisture in weak solution, then weak solution comes back to fresh air dehumidification device after evaporimeter is lowered the temperature by solution pump, complete a complete dehumidifying regeneration cycle.
Described first-stage condenser is Shell-tube Condenser, described secondary condenser is fin condenser, described Shell-tube Condenser is positioned at described compressor one side, its air inlet is connected with the gas outlet of described compressor, described fin condenser is between described solution regenerator and regeneration blower fan, its air inlet is connected with Shell-tube Condenser gas outlet, and gas outlet is connected with reservoir.
On described solution loop, install economizer additional, utilize the temperature difference of weak solution and concentrated solution, while flowing through economizer, carry out heat exchange.
Described evaporimeter is shell-tube evaporator.
Between described filter and expansion valve, be provided with magnetic valve.
The beneficial effect of a kind of heat pump direct-expansion type of the utility model solution dehumidification VMC is:
one,cold-producing medium, by time condensation, effectively reduces condensation temperature, improved the Energy Efficiency Ratio of refrigeration unit, and the upborne regeneration air of temperature can be avoided the reduction to solution temperature in solution regenerator, thereby improve regeneration effect.
Two, condensation heat is divided into two parts, a part is for the intensification of actified solution, and a part, for the intensification of regeneration air, had both ensured the regeneration temperature of solution, and having solved again regeneration air can be on a difficult problem for regeneration of waste liquor temperature impact in regenerative process.
Three, unit adopts direct-expansion type refrigeration modes, has effectively reduced water pump and the handpiece Water Chilling Units dry evaporator of secondary heat exchanging system, has improved energy utilization rate.
Four, unit adopts heat-pump-type, and summer in winter conversion is used, and can play cooling in summer dehumidifying, and the effect of the humidification that heats up winter meets the different demands in summer in winter.
Brief description of the drawings
Fig. 1 is the utility model system principle schematic diagram;
Wherein: 1, compressor; 2, four-way change-over valve; 3, Shell-tube Condenser; 4, finned cooler; 5, reservoir; 6, filter; 7, magnetic valve; (8,11), expansion valve; (9,12,13,20), check valve; 10, shell-tube evaporator; 14, breeze fan; 15, regeneration blower fan; 16, solution regenerator; 17, solution pump; 18, economizer; 19, fresh air dehumidification device.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical solutions of the utility model are elaborated.
As shown in Figure 1, a kind of heat pump direct-expansion type solution dehumidification VMC, comprises the heat pump refrigerating circulatory system, solution system and wind system;
Described refrigeration system, first the high temperature and high pressure gas that compressor 1 is discharged passes through four-way change-over valve 2, enter afterwards Shell-tube Condenser 3 and carry out heat exchange with the low temperature weak solution of coming from fresh air dehumidification device 19, refrigerant temperature tentatively reduces, weak solution temperature raises, reach regeneration temperature requirement, entered finned cooler 4 by the cold-producing medium of Shell-tube Condenser 3 preliminary condensations and carry out heat exchange with the regeneration air of the fin surface of flowing through, cold-producing medium is further cooling and be condensed into subcooled liquid, regeneration air temperature raises, enter solution regenerator 16, subcooled liquid is through reservoir 5, after entering expansion valve 8 reducing pressure by regulating flows after filter 6, enter shell-tube evaporator 10, in absorbent solution, after heat, becoming superheated steam is inhaled in compressor 1 again, complete whole kind of refrigeration cycle,
Described solution system comprise fresh air dehumidification device 19, solution regenerator 16 and be arranged on fresh air dehumidification device 19 and solution regenerator 16 between solution loop on solution pump 17;
Described wind system comprises the breeze fan 14 that is separately positioned on fresh air dehumidification device inner side and the regeneration blower fan 15 that is arranged on solution regenerator 16 inner sides.
The course of work of solution system of the present utility model is: low temperature concentrated solution enters described fresh air dehumidification device 19 and absorbs moisture in air, hot and humid new eolianly send into indoor for dry wind by breeze fan 14, low temperature concentrated solution becomes the weak solution that temperature is slightly high, weak solution with carry out heat exchange from the high temperature concentrated solution of solution regenerator 16, after the preliminary rising of weak solution temperature, become pyrosol in the interior heat absorption of Shell-tube Condenser 3, sending into solution regenerator 16 regenerates, regeneration blower fan 14 is introduced regeneration wind and is taken away the moisture in weak solution, then weak solution comes back to fresh air dehumidification device 19 after evaporimeter is lowered the temperature by solution pump 17, complete a complete dehumidifying regeneration cycle.
Described wind system comprises VMC and two autonomous systems of regeneration wind system, VMC be after utilizing breeze fan 14 that outdoor new wind is processed by removal moisture drying, send into indoor, regeneration wind system is to utilize regeneration blower fan 15 to introduce regeneration wind to take away the moisture in weak solution, to reach the object of regeneration of waste liquor.
Further, on described solution loop, install economizer additional, utilize the temperature difference of weak solution and concentrated solution, carry out heat exchange while flowing through economizer, the object that reaches respectively cooling and heat up, plays energy-conservation effect.
Described regeneration wind first improves temperature by finned cooler 4, then enters solution regenerator 16.
High temperature refrigerant that compressor 1 is discharged first Shell-tube Condenser 3 in solution heat exchange, and then pass through fin condenser 4 and air heat-exchange.
A kind of heat pump direct-expansion type of the utility model solution dehumidification VMC, can switch use summer in winter, and summer operation kind of refrigeration cycle is sent into indoor to fresh air cool-down dehumidification; Winter operation heats circulation, sends into indoor to fresh air intensification humidification.
Embodiment 1: to process air quantity as 6000m
3the all-fresh air solution dehumidification unit of/h is example, cooling condition operation in summer, the high temperature and high pressure gas that refrigeration system compressor 1 is discharged enters Shell-tube Condenser 3 and carry out heat exchange with the low temperature weak solution of coming from fresh air dehumidification device 19, refrigerant temperature tentatively reduces, weak solution temperature raises, reach regeneration temperature requirement, entered finned cooler 4 by the cold-producing medium of preliminary condensation and carry out heat exchange with the regeneration air of the fin surface of flowing through, cold-producing medium is further cooling and be condensed into subcooled liquid, regeneration air temperature raises, enter solution regenerator 16, subcooled liquid is through reservoir 5, after entering expansion valve 8 reducing pressure by regulating flows after filter 6, enter shell-tube evaporator 10, in absorbent solution, after heat, becoming superheated steam is inhaled in compressor 1 again, complete whole kind of refrigeration cycle.
In this circulation, by the condensation step by step of Shell-tube Condenser 3 and fin condenser 4, condensation of refrigerant temperature is down to 40 DEG C, unit refrigerating capacity approximately can improve 30%, and refrigeration efficiency ratio can improve approximately 35%.
In the winter time in operation of heat pump, the high temperature and high pressure gas that compressor 1 is discharged is by four-way change-over valve 2 conversion directions, enter shell-tube evaporator (when operation of heat pump as Shell-tube Condenser) 10 and carry out heat exchange with the low temperature weak solution of coming from solution regenerator 16 (using as solution moisture removing device when operation of heat pump), refrigerant temperature reduces, weak solution temperature raises, reach regeneration temperature requirement, cross cold refrigerant liquid through reservoir 5, after filter 6, enter and enter into fin condenser 4(operation of heat pump after expansion valve 11 reducing pressure by regulating flows and use as evaporimeter) tentatively evaporation after the heat of absorption and regeneration wind, and then use as evaporimeter while entering Shell-tube Condenser 3(operation of heat pump) completely evaporation become superheated steam and be again inhaled in compressor, complete whole heat pump cycle.
In this circulation, unit is effectively transferred to the heat energy of outdoor air in solution, and outdoor air is carried out sending into after preheating and humidification indoor.
Above-described embodiment is preferably embodiment of one of the present utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify and all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (5)
1. a heat pump direct-expansion type solution dehumidification VMC, is characterized in that, comprises the heat pump refrigerating circulatory system, solution system and wind system; The described heat pump refrigerating circulatory system comprises the refrigeration cycle that compressor, first-stage condenser, secondary condenser, reservoir, filter, expansion valve and evaporimeter form;
Described solution system comprises fresh air dehumidification device, solution regenerator and is arranged on the solution pump on the solution loop between fresh air dehumidification device and solution regenerator;
Described wind system comprises the breeze fan that is separately positioned on fresh air dehumidification device inner side and the regeneration blower fan that is arranged on solution regenerator inner side, low temperature concentrated solution enters described fresh air dehumidification device and absorbs moisture in air, hot and humid new eolianly send into indoor by breeze fan for dry wind, low temperature concentrated solution becomes the weak solution that temperature is slightly high, weak solution with carry out heat exchange from the high temperature concentrated solution of solution regenerator, after the preliminary rising of weak solution temperature, in Shell-tube Condenser, heat absorption becomes pyrosol, send into solution regenerator regeneration, regeneration blower fan is introduced regeneration wind and is taken away the moisture in weak solution, then weak solution comes back to fresh air dehumidification device after evaporimeter is lowered the temperature by solution pump, complete a complete dehumidifying regeneration cycle.
2. a kind of heat pump direct-expansion type solution dehumidification VMC according to claim 1, it is characterized in that, described first-stage condenser is Shell-tube Condenser, described secondary condenser is fin condenser, described Shell-tube Condenser is positioned at described compressor one side, and its air inlet is connected with the gas outlet of described compressor, and described fin condenser is between described solution regenerator and regeneration blower fan, its air inlet is connected with Shell-tube Condenser gas outlet, and gas outlet is connected with reservoir.
3. a kind of heat pump direct-expansion type solution dehumidification VMC according to claim 2, is characterized in that, on described solution loop, installs economizer additional, utilizes the temperature difference of weak solution and concentrated solution, carries out heat exchange while flowing through economizer.
4. a kind of heat pump direct-expansion type solution dehumidification VMC according to claim 3, is characterized in that, described evaporimeter is shell-tube evaporator.
5. a kind of heat pump direct-expansion type solution dehumidification VMC according to claim 4, is characterized in that, between described filter and expansion valve, is provided with magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420124059.7U CN203797832U (en) | 2014-03-19 | 2014-03-19 | Fresh air system for heat pump direct expansion type solution dehumidification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420124059.7U CN203797832U (en) | 2014-03-19 | 2014-03-19 | Fresh air system for heat pump direct expansion type solution dehumidification |
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| Publication Number | Publication Date |
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| CN203797832U true CN203797832U (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420124059.7U Expired - Lifetime CN203797832U (en) | 2014-03-19 | 2014-03-19 | Fresh air system for heat pump direct expansion type solution dehumidification |
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| CN (1) | CN203797832U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868171A (en) * | 2014-03-19 | 2014-06-18 | 南京迪泽尔空调设备有限公司 | Direct-expansion solution-dehumidification central ventilation system of heat pump |
| CN105509196A (en) * | 2015-12-23 | 2016-04-20 | 田志昶 | Solar solution-type air conditioning system |
-
2014
- 2014-03-19 CN CN201420124059.7U patent/CN203797832U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868171A (en) * | 2014-03-19 | 2014-06-18 | 南京迪泽尔空调设备有限公司 | Direct-expansion solution-dehumidification central ventilation system of heat pump |
| CN105509196A (en) * | 2015-12-23 | 2016-04-20 | 田志昶 | Solar solution-type air conditioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200521 Address after: No. 327, Nanpu Road, Jiangbei new district, Nanjing City, Jiangsu Province Patentee after: JIANGSU ZHIYUAN HIGH-TECH ENERGY TECHNOLOGY Co.,Ltd. Address before: 210031 Yanjiang urban economic Park, No. 35 Pu Zhou road, Pukou District, Nanjing, Jiangsu Patentee before: NANJING DIZEER AIR-CONDITIONING EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201020 Address after: Room 907, 217 Zhongshan North Road, Gulou District, Nanjing City, Jiangsu Province, 210000 Patentee after: JIANGSU GAOKE APPLIED SCIENCE RESEARCH INSTITUTE Co.,Ltd. Address before: No. 327, Nanpu Road, Jiangbei new district, Nanjing City, Jiangsu Province Patentee before: JIANGSU ZHIYUAN HIGH-TECH ENERGY TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |
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| CX01 | Expiry of patent term |