CN202066130U - Fresh air dehumidifying system - Google Patents
Fresh air dehumidifying system Download PDFInfo
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- CN202066130U CN202066130U CN201120153051XU CN201120153051U CN202066130U CN 202066130 U CN202066130 U CN 202066130U CN 201120153051X U CN201120153051X U CN 201120153051XU CN 201120153051 U CN201120153051 U CN 201120153051U CN 202066130 U CN202066130 U CN 202066130U
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- fluorine
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- dehumidification
- heat exchanger
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Abstract
The utility model discloses a fresh air dehumidifying system. Outdoor fresh air is subjected to condensation dehumidification process firstly and then to solution dehumidification process; the cold quantity required during condensation dehumidification is provided by a first heat pump; the cold quantity required during solution dehumidification is provided by a second heat pump; condensation heat of the second heat pump is used for heating concentrated solution; the concentrated solution then contacts with air to be concentrated and regenerated; after contacting with the concentrated solution, the air contacts with diluted solution; moisture in the diluted solution is evaporated in the air; the diluted solution is cooled down; and then the cooled diluted solution is served as a cold source for the heat pump. The fresh air dehumidifying system organically combines condensation dehumidification and solution dehumidification, and sufficiently utilizes the advantages of the two dehumidification methods and simultaneously avoids the advantages of the two dehumidification methods as far as possible, thereby having the advantages of low energy consumption, high efficiency, high dehumidification capacity, humidity accurate control, simple system, convenient maintenance and operation, high economical efficiency and the like.
Description
Technical field
The utility model relates to technical field of heat exchange, relates in particular to a kind of fresh air dehumidification system.
Background technology
Commonly used dehumanization method and system thereof roughly can be divided three classes, i.e. dehumidification by condensation, liquid dehumidifying and solid dehumidifying, and dehumidification by condensation is a kind of mode of extensive use the most, solid dehumidifying then is mainly used in extraordinary industry and the scientific research occasion that dehumidifying is had relatively high expectations.
Liquid dehumidifying since its to have energy consumption lower, dehumidifying effect is than advantages such as dehumidification by condensation are strong, earns widespread respect in recent years and applied.
Fresh air dehumidification is widely used in building and industrial circle, and all also there are all deficiencies in existing dehumidification by condensation and liquid dehumidifying, and the disadvantage of dehumidification by condensation is that dehumidifying effect is poor, needs heat again; And the major defect of liquid dehumidifying is to need the regeneration thermal source; When liquid dehumidifying and heat pump carry out compound tense, cause the condensation temperature height of heat pump, influence reliability and increase energy consumption.
Dehumidification by condensation and liquid dehumidifying are combined, especially, promptly utilize dehumidification by condensation that new wind is dehumidified in advance, utilize liquid dehumidifying that the new wind of pre-dehumidifying is further dehumidified again being a selection that takes into account the two advantage aspect the new wind processing.
Although occurred some at present the two was carried out the example of combination, how to make full use of the advantage of the two, overcame its shortcoming separately, and still be worth exploring.This comprises when how reducing solution regenerates required temperature and increases dehumidifying effect, does not influence the regeneration effect of solution when how to utilize condensed water to reduce the condensation temperature of heat pump, and how the adjusting by solution concentration comes effective controlled humidity etc.
The utility model content
The purpose of this utility model is at the deficiencies in the prior art, and a kind of fresh air dehumidification system is provided.
The purpose of this utility model is achieved through the following technical solutions: a kind of fresh air dehumidification system, it comprises first heat pump, second heat pump, removes green sand core, fluorine/gas finned tube exchanger, regeneration core, cooling core, first blower fan, second blower fan, dehumidification solution pump, actified solution pump, solution coolant pump, dehumidification solution groove, actified solution groove, cooling solution groove, solution communicating pipe, condensate pipe, dehumidifying pipe road, actified solution pipe, cooling solution pipe.Wherein, first heat pump mainly is made up of first compressor, first expansion gear, first fluorine/liquid heat exchanger and fluorine/gas finned tube exchanger, the fluorine passage of the fluorine passage of first compressor, first fluorine/liquid heat exchanger, first expansion gear and fluorine/gas finned tube exchanger is formed a closed circuit, second heat pump is mainly by second compressor, second expansion gear, second fluorine/liquid heat exchanger and the trifluoro/liquid heat exchanger is formed, and the fluorine passage of fluorine passage, second expansion gear and the trifluoro/liquid heat exchanger of second compressor, second fluorine/liquid heat exchanger is formed a closed circuit.First blower fan, remove green sand core, fluorine/gas finned tube exchanger is arranged successively, the dehumidification solution groove is positioned at except that the green sand core below, condensate draining is positioned at fluorine/gas finned tube exchanger below, the dehumidification solution groove successively the liquid passage by the trifluoro/liquid heat exchanger and dehumidification solution pump with remove green sand core and link to each other, the regeneration core, the cooling core and second blower fan is arranged successively or second blower fan regeneration core and the cooling core between, the actified solution groove is positioned at regeneration core below, the cooling solution groove is positioned at cooling core below, the actified solution groove links to each other with the regeneration core by the liquid passage of actified solution pump and second fluorine/liquid heat exchanger successively, the cooling solution groove links to each other with the cooling core with the solution coolant pump by the liquid passage of first fluorine/liquid heat exchanger successively, the dehumidification solution groove links to each other by solution communicating pipe with the actified solution groove, and condensate draining will link to each other by condensate pipe with the cooling liquid bath.
Further, also comprise second fluorine/gas finned tube exchanger, second fluorine/gas finned tube exchanger and the trifluoro/liquid heat exchanger is arranged in parallel, and places fluorine/gas finned tube exchanger and remove between the green sand core, with fluorine/shared condensate draining of gas finned tube exchanger.
Further, also comprise the 3rd heat pump, the 3rd heat pump mainly is made up of the 3rd compressor, the tetrafluoro/liquid heat exchanger, the 3rd expansion gear and the trifluoro/gas finned tube exchanger, the fluorine passage of the fluorine passage of the 3rd compressor, the tetrafluoro/liquid heat exchanger, the 3rd expansion gear and the trifluoro/gas finned tube exchanger is formed a closed circuit, the trifluoro/gas finned tube exchanger is between fluorine/gas finned tube exchanger and dehumidifier, and with fluorine/shared condensate draining of gas finned tube exchanger, the tetrafluoro/liquid heat exchanger and second fluorine/liquid heat exchanger is in parallel.
Further, liquid/liquid heat exchanger is set between dehumidification solution groove and actified solution groove.
The beneficial effects of the utility model are, the utility model organically combines dehumidification by condensation and solution dehumidification, make full use of the advantage of two kinds of dehumanization methods, simultaneously avoid its shortcoming again as far as possible, thus have less energy consumption, efficient height, characteristics such as dehumidifying effect is strong, humidity is accurately controlled, system is simple, attended operation is convenient, good economy performance.
Description of drawings
Fig. 1 is fresh air dehumidification method first schematic diagram of the present utility model;
Fig. 2 is fresh air dehumidification method second schematic diagram of the present utility model;
Fig. 3 is the air-treatment psychrometric chart of corresponding diagram 1;
Fig. 4 is the air-treatment psychrometric chart of the conventional dehumidification by condensation corresponding with Fig. 1;
Fig. 5 is the air-treatment psychrometric chart that the conventional soln corresponding with Fig. 1 dehumidifies;
Fig. 6 is the air-treatment psychrometric chart of corresponding diagram 2;
Fig. 7 is the air-treatment psychrometric chart of the conventional dehumidification by condensation corresponding with Fig. 2;
Fig. 8 is the air-treatment psychrometric chart that the conventional soln corresponding with Fig. 2 dehumidifies;
Fig. 9 is fresh air dehumidification method the 3rd schematic diagram of the present utility model;
Figure 10 is fresh air dehumidification method the 4th schematic diagram of the present utility model;
Figure 11 is the fresh air dehumidification system diagram of the utility model embodiment 1;
Figure 12 is the fresh air dehumidification system diagram of the utility model embodiment 2;
Figure 13 is the fresh air dehumidification system diagram of the utility model embodiment 3;
Figure 14 is the fresh air dehumidification system diagram of the utility model embodiment 4;
Figure 15 is the fresh air dehumidification system diagram of the utility model embodiment 5.
The specific embodiment
Describe the utility model in detail with embodiment with reference to the accompanying drawings below, it is more obvious that the purpose of this utility model and effect will become.
As shown in Figure 1, outdoor new wind 1 is earlier through dehumidification by condensation process 110, and then through solution dehumidification process 120, the required cold of dehumidification by condensation is provided by first heat pump 150, the required cold of solution 220 dehumidifying is provided by second heat pump 160, the condensation heat of second heat pump 160 is used for heating concentrated solution 230, concentrated solution 230 contacts with air 4 and makes solution must concentrate regeneration, with air after concentrated solution 230 contacts with contact with weak solution 240 again, moisture in the weak solution 240 is at air evaporation, weak solution 240 is cooled, cold weak solution 240 is used as the low-temperature receiver of outdoor new wind 1 again, the condensed water 210 that dehumidification by condensation process 110 produces is sent to weak solution 240 by pipeline 260 and mixes, with moisture evaporated in replenishing, when concentrated solution 230 excessive concentration, can replenish partial condensation water 210 with regulator solution concentration by pipeline 250, also can realize by exchange with weak solution 240.
Solution dehumidification among Fig. 1, solution regeneration and multiple modes such as the solution cooling procedure can directly contact by gas-liquid, gas-liquid mediate contact realize, indirect type liquid dehumidifying core body principle is seen patent " 200610049187.X; a kind of gas-liquid mass transfer method ", and its mass-and heat-transfer is realized by the film in gas passage and the fluid passage.
The dehumidification by condensation process can realize by multiple modes such as pipe fin surface cooler or spray chambers.
Fig. 2 and Fig. 1 difference are, are two strands of air with concentrated solution 230 and the air that contacts with weak solution 240, and promptly 6, two strands of air of air 4 and air can be different, also can be identical.
Fig. 3 is the air-treatment psychrometric chart of corresponding diagram 1 process, and hypothesis air 1 is identical with the state of air 4, be outdoor new wind, become 2 after the air 1 process dehumidification by condensation process 110, and then process solution dehumidification process 120 becomes 3, become 5 after the air 4 process solution regenerative processes 130, and then become 6 through solution cooling procedure 140
Certainly air 4 can be different with the state of air 1, can adopt indoor exhaust wind as air 1.
Fig. 4 supposes that the dehumidification by condensation process 110,120 among Fig. 1 is the dehumidification by condensation process, and process 130,140 is the air-cooled process of conventional heat pump, compares with Fig. 3.
Fig. 5 supposes that the process 110,120 among Fig. 1 is the solution dehumidification process, and process 130,140 is the solution regenerative process, compares with Fig. 3.
Comparison diagram 3, Fig. 4 and Fig. 5 can find, dehumidification by condensation requires heat pump to have than lower evaporating temperature of the utility model process and higher condensation temperature, and solution dehumidification requires heat pump to have the condensation temperature more higher than the utility model process.
As can be seen from Figure 3, the utility model only requires that second heat pump 160 has the regeneration that higher temperature just can realize solution, adopts simultaneously and replenishes the condensation temperature that condensed water reduces by first heat pump 150 as far as possible.
In fact, having under the situation at water source, can replenish condensed water and extraneous water simultaneously in weak solution 240,6 temperature can further reduce among Fig. 3.
Fig. 6 is the air-treatment psychrometric chart of corresponding diagram 2, and hypothesis air 1 is identical with the state of air 4, be outdoor new wind, become 2 after the air 1 process dehumidification by condensation process 110, and then process solution dehumidification process 120 becomes 3, become 5 after the air 4 process solution regenerative processes 130, air 6 becomes 7 through solution cooling procedures 140.
Fig. 6 compares with air-treatment psychrometric chart Fig. 3 of corresponding diagram 1, the air 5 that solution regenerative process 130 is discharged is lower than the temperature of air among Fig. 35, the air 6 that solution cooling procedure 140 is discharged is lower than the temperature of air among Fig. 36, this means that first heat pump 150 among Fig. 2 has lower condensation temperature than first heat pump 150 among Fig. 1.
Fig. 7 supposes that the process 110,120 among Fig. 6 is the dehumidification by condensation process, and process 130,140 is the air-cooled process of conventional heat pump, compares with Fig. 3.
Fig. 8 supposes that the process 110,120 among Fig. 1 is the solution dehumidification process, and process 130,140 is the solution regenerative process, compares with Fig. 3.
Comparison diagram 6, Fig. 7 and Fig. 8 can find, dehumidification by condensation requires heat pump to have than lower evaporating temperature of the utility model process and higher condensation temperature, and solution dehumidification requires heat pump to have the condensation temperature more higher than the utility model process.
Fig. 9 has increased dehumidification by condensation process 180 on the basis of Fig. 1,180 chilling requirements of dehumidification by condensation process are provided by second heat pump 160.Fig. 1 compares with Fig. 9, under the constant prerequisite of second heat pump, 160 power, the refrigerating capacity that offers solution dehumidification diminishes, just mean that also required solution regeneration quantitative change is little, but the total cold of second heat pump 160 is constant substantially, condenser heat is also constant substantially, thereby can obtain the solution of higher concentration, thereby makes that the final relative humidity of new wind is low.
Figure 10 compared to Figure 1, be the dehumidification by condensation process 180 that between process 110 and 120, increased equally, this point is identical with Fig. 9, different with Fig. 9 is, dehumidification by condensation process 180 required colds are to be provided by the 3rd newly-increased heat pump 170, the condensation heat that newly-increased the 3rd heat pump 170 produces is the same with the condensation heat that second heat pump 160 produces, and all is used for heated solution 230, and solution concentration is regenerated.
Figure 10 compares with Fig. 9, and the system complex degree increases, but has higher flexible modulation, as by opening different heat pumps, realizes different effect on moisture extraction, is suitable for different new wind conditions.
Figure 11 is a kind of fresh air dehumidification system that sets up according to the utility model method.
This system comprises first heat pump, second heat pump, removes green sand core 46, fluorine/gas finned tube exchanger 33, regeneration core 47, cooling core 36, first blower fan 7, second blower fan 8, dehumidification solution pump 48, actified solution pump 49, solution coolant pump 37, dehumidification solution groove 11, actified solution groove 13, cooling solution groove 15, solution communicating pipe 19, condensate pipe 18, dehumidifying pipe road 12, actified solution pipe 14, cooling solution pipe 16.Wherein, first heat pump is by first compressor 31, first expansion gear 34, first fluorine/liquid heat exchanger 32 and fluorine/gas finned tube exchanger 33 is formed, first compressor 31, the fluorine passage of first fluorine/liquid heat exchanger 32, the fluorine passage of first expansion gear 34 and fluorine/gas finned tube exchanger 33 is formed a closed circuit, second heat pump is by second compressor 41, second expansion gear 44, second fluorine/liquid heat exchanger 42, the trifluoro/liquid heat exchanger 43 and refrigerant tubing and annex 45 are formed second compressor 41, the fluorine passage of second fluorine/liquid heat exchanger 42, the fluorine passage of second expansion gear 44 and the trifluoro/liquid heat exchanger 43 is formed a closed circuit.First blower fan 7, remove green sand core 46, fluorine/gas finned tube exchanger 33 is arranged successively, dehumidification solution groove 11 is positioned at except that green sand core 46 belows, condensate draining 17 is positioned at fluorine/gas finned tube exchanger 33 belows, dehumidification solution groove 11 successively the liquid passage by the trifluoro/liquid heat exchanger 43 and dehumidification solution pump 48 with remove green sand core 46 and link to each other, regeneration core 47, the cooling core 36 and second blower fan 8 are arranged successively, actified solution groove 13 is positioned at regeneration core 47 belows, cooling solution groove 15 is positioned at cooling core 36 belows, actified solution groove 13 links to each other with regeneration core 47 by the liquid passage of actified solution pump 49 and second fluorine/liquid heat exchanger 42 successively, cooling solution groove 15 links to each other with cooling core 36 with solution coolant pump 37 by the liquid passage of first fluorine/liquid heat exchanger 32 successively, dehumidification solution groove 11 links to each other by solution communicating pipe 19 with actified solution groove 13, and condensate draining 17 will link to each other by condensate pipe 18 with cooling liquid bath 15.
Figure 12 is the another kind of fresh air dehumidification system that sets up according to the utility model method.
Be with the difference of embodiment 1, second blower fan 8 between regeneration core 47 and cooling core 36, regeneration air 4 under blower fan 8 drives through regeneration core 47, cooling air 6 under blower fan 8 drives through supercooling core 36.
Figure 13 is the another kind of fresh air dehumidification system that sets up according to the utility model method.
Figure 13 and Figure 11 difference are that the trifluoro/liquid heat exchanger 43 is arranged in parallel second fluorine/gas finned tube exchanger 73, and place fluorine/gas finned tube exchanger 33 and remove between the green sand core 46, with fluorine/gas finned tube exchanger 33 shared condensate drainings 17.
Figure 14 is the another kind of fresh air dehumidification system that sets up according to the utility model method.
Figure 14 and Figure 11 difference are, set up the 3rd heat pump, the 3rd heat pump is mainly by the 3rd compressor 51, the tetrafluoro/liquid heat exchanger 52, the 3rd expansion gear 54 and the trifluoro/gas finned tube exchanger 53 is formed, the 3rd compressor 51, the fluorine passage of the tetrafluoro/liquid heat exchanger 52, the fluorine passage of the 3rd expansion gear 54 and the trifluoro/gas finned tube exchanger 53 is formed a closed circuit, the trifluoro/gas finned tube exchanger 53 is between fluorine/gas finned tube exchanger 33 and dehumidifier 46, and be in parallel with fluorine/gas finned tube exchanger 33 shared condensate draining 17, the tetrafluoros/liquid heat exchangers 52 and second fluorine/liquid heat exchanger 42.
Figure 15 is the another kind of fresh air dehumidification system that sets up according to the utility model method.
Figure 15 and Figure 11 difference are, liquid/liquid heat exchanger 20 is set between dehumidification solution groove 11 and actified solution groove 13, and pipeline 19 and 69 are set, the dehumidification solution groove 11 that makes is realized heat exchange with the solution two-way flow of actified solution groove 13 by liquid/liquid heat exchanger 20.
The foregoing description is used for the utility model of explaining; rather than the utility model limited; in the protection domain of spirit of the present utility model and claim, any modification and change to the utility model is made all fall into protection domain of the present utility model.
Claims (4)
1. fresh air dehumidification system, it is characterized in that it comprises: first heat pump, second heat pump, remove green sand core (46), fluorine/gas finned tube exchanger (33), regeneration core (47), cooling core (36), first blower fan (7), second blower fan (8), dehumidification solution pump (48), actified solution pump (49), solution coolant pump (37), dehumidification solution groove (11), actified solution groove (13), cooling solution groove (15), solution communicating pipe (19), condensate pipe (18), dehumidifying pipe road (12), actified solution pipe (14) and cooling solution pipe (16); Wherein, first heat pump is mainly by first compressor (31), first expansion gear (34), first fluorine/liquid heat exchanger (32) and fluorine/gas finned tube exchanger (33) is formed, first compressor (31), the fluorine passage of first fluorine/liquid heat exchanger (32), the fluorine passage of first expansion gear (34) and fluorine/gas finned tube exchanger (33) is formed a closed circuit, second heat pump is mainly by second compressor (41), second expansion gear (44), second fluorine/liquid heat exchanger (42) and the trifluoro/liquid heat exchanger (43) is formed, second compressor (41), the fluorine passage of second fluorine/liquid heat exchanger (42), the fluorine passage of second expansion gear (44) and the trifluoro/liquid heat exchanger (43) is formed a closed circuit; First blower fan (7), remove green sand core (46), fluorine/gas finned tube exchanger (33) is arranged successively, dehumidification solution groove (11) is positioned at except that green sand core (46) below, condensate draining (17) is positioned at fluorine/gas finned tube exchanger (33) below, dehumidification solution groove (11) successively the liquid passage by the trifluoro/liquid heat exchanger (43) and dehumidification solution pump (48) with link to each other except that green sand core (46), regeneration core (47), cooling core (36) and second blower fan (8) is arranged successively or second blower fan (8) is positioned at the core (47) and cooling off between the core (36) of regenerating, actified solution groove (13) is positioned at regeneration core (47) below, cooling solution groove (15) is positioned at cooling core (36) below, actified solution groove (13) links to each other with regeneration core (47) by the liquid passage of actified solution pump (49) and second fluorine/liquid heat exchanger (42) successively, cooling solution groove (15) links to each other with cooling core (36) with solution coolant pump (37) by the liquid passage of first fluorine/liquid heat exchanger (32) successively, dehumidification solution groove (11) links to each other by solution communicating pipe (19) with actified solution groove (13), and condensate draining (17) will link to each other by condensate pipe (18) with cooling liquid bath (15).
2. according to the described fresh air dehumidification of claim 1 system, it is characterized in that, also comprise second fluorine/gas finned tube exchanger (73), second fluorine/gas finned tube exchanger (73) is arranged in parallel with the trifluoro/liquid heat exchanger (43), and place fluorine/gas finned tube exchanger (33) and remove between the green sand core (46), with fluorine/shared condensate draining of gas finned tube exchanger (33) (17).
3. according to the described fresh air dehumidification of claim 1 system, it is characterized in that, also comprise the 3rd heat pump, the 3rd heat pump is mainly by the 3rd compressor (51), the tetrafluoro/liquid heat exchanger (52), the 3rd expansion gear (54) and the trifluoro/gas finned tube exchanger (53) is formed, the 3rd compressor (51), the fluorine passage of the tetrafluoro/liquid heat exchanger (52), the fluorine passage of the 3rd expansion gear (54) and the trifluoro/gas finned tube exchanger (53) is formed a closed circuit, the trifluoro/gas finned tube exchanger (53) is positioned between fluorine/gas finned tube exchanger (33) and the dehumidifier (46), and with fluorine/shared condensate draining of gas finned tube exchanger (33) (17), the tetrafluoro/liquid heat exchanger (52) and second fluorine/liquid heat exchanger (42) are in parallel.
4. according to the described fresh air dehumidification of claim 1 system, it is characterized in that, liquid/liquid heat exchanger (20) is set between dehumidification solution groove (11) and actified solution groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120153051XU CN202066130U (en) | 2011-05-15 | 2011-05-15 | Fresh air dehumidifying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120153051XU CN202066130U (en) | 2011-05-15 | 2011-05-15 | Fresh air dehumidifying system |
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| CN202066130U true CN202066130U (en) | 2011-12-07 |
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| CN201120153051XU Expired - Lifetime CN202066130U (en) | 2011-05-15 | 2011-05-15 | Fresh air dehumidifying system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179143A (en) * | 2011-05-15 | 2011-09-14 | 杭州兴环科技开发有限公司 | Method and system for dehumidifying by utilizing fresh air |
| CN105526738A (en) * | 2016-01-18 | 2016-04-27 | 东莞理工学院 | Common-pressure membrane type heat pump and liquid dehumidifying system collaborative device |
| CN107062444A (en) * | 2016-12-31 | 2017-08-18 | 安徽工业大学 | A kind of self-regulating heat balance solution damping Fresh air handling units and its operation method |
| CN108105795A (en) * | 2017-07-10 | 2018-06-01 | 昊姆（上海）节能科技有限公司 | Compression, absorption heat pump coupling fume treatment auxiliary |
-
2011
- 2011-05-15 CN CN201120153051XU patent/CN202066130U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179143A (en) * | 2011-05-15 | 2011-09-14 | 杭州兴环科技开发有限公司 | Method and system for dehumidifying by utilizing fresh air |
| CN102179143B (en) * | 2011-05-15 | 2013-03-27 | 杭州兴环科技开发有限公司 | Method and system for dehumidifying by utilizing fresh air |
| CN105526738A (en) * | 2016-01-18 | 2016-04-27 | 东莞理工学院 | Common-pressure membrane type heat pump and liquid dehumidifying system collaborative device |
| CN105526738B (en) * | 2016-01-18 | 2018-01-02 | 东莞理工学院 | A kind of normal pressure membrane type heat pump and liquid dehumidification system collaborative device |
| CN107062444A (en) * | 2016-12-31 | 2017-08-18 | 安徽工业大学 | A kind of self-regulating heat balance solution damping Fresh air handling units and its operation method |
| CN107062444B (en) * | 2016-12-31 | 2019-05-07 | 安徽工业大学 | A kind of self-regulating heat balance solution damping Fresh air handling units and its operation method |
| CN108105795A (en) * | 2017-07-10 | 2018-06-01 | 昊姆（上海）节能科技有限公司 | Compression, absorption heat pump coupling fume treatment auxiliary |
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