CN220958716U - Combined solution dehumidifying unit - Google Patents
Combined solution dehumidifying unit Download PDFInfo
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- CN220958716U CN220958716U CN202322238460.5U CN202322238460U CN220958716U CN 220958716 U CN220958716 U CN 220958716U CN 202322238460 U CN202322238460 U CN 202322238460U CN 220958716 U CN220958716 U CN 220958716U
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- solution
- air
- heat exchanger
- dehumidification
- dehumidifying
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- 230000008929 regeneration Effects 0.000 claims abstract description 43
- 238000011069 regeneration method Methods 0.000 claims abstract description 43
- 238000007791 dehumidification Methods 0.000 claims abstract description 29
- 230000001172 regenerating effect Effects 0.000 claims description 24
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 8
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract description 4
- 229910021529 ammonia Inorganic materials 0.000 abstract description 4
- 229910000037 hydrogen sulfide Inorganic materials 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000001704 evaporation Methods 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 135
- 238000005057 refrigeration Methods 0.000 description 7
- 238000010171 animal model Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003507 refrigerant 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
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Drying Of Gases (AREA)
Abstract
The utility model discloses a compound solution dehumidifying unit. Including regeneration channel, dehumidification passageway and return air passageway, be equipped with first air intake and first air outlet on the regeneration channel, and its inside solution regeneration unit and regeneration fan of being equipped with on the dehumidification passageway, and its inside is equipped with first air heat exchanger, dehumidification fan and solution dehumidification unit, and first air heat exchanger and solution dehumidification unit set gradually along the air current direction, are equipped with return air inlet and air exit on the return air passageway, and its inside is equipped with second air heat exchanger and return air fan. According to the utility model, the compressor refrigerating system is utilized to recycle the energy in the exhaust air, the exhaust air is not required to be used for solution regeneration, the reaction of harmful substances such as ammonia, hydrogen sulfide and the like in the exhaust air with the dehumidification solution is avoided, and the solution dehumidification performance is reduced; the double-cold-source calculation is used for carrying out stepped cooling and dehumidification on fresh air needing deep dehumidification, so that the evaporation temperature of a front-stage refrigerating system can be improved, and the energy efficiency of a unit is provided.
Description
Technical Field
The utility model relates to the technical field of solution dehumidifying units, in particular to a compound solution dehumidifying unit.
Background
The technical scheme of the dehumidifying air conditioner with the combination of the compression refrigeration system and the solution dehumidifying system in the market at present mainly comprises a dehumidifier, a solution regenerator and a refrigeration system, wherein a condenser of the refrigeration system is used as a heat source of the solution regenerator, and a first solution heat exchanger of the refrigeration system is used as a cold source of the solution dehumidifier
The solution humidifying fresh air handling unit is increasingly used in experimental animal environments and biological culture environments, and the indoor air quality can be improved due to the sterilization and filtration functions of the dehumidifying salt solution.
The experimental animal environment and the biological culture environment are generally all fresh air operation, a large amount of fresh air is introduced, air exhaust is needed, a large amount of ammonia, hydrogen sulfide, volatile organic matters, odor molecules which are difficult to dissolve in water and the like exist in the air exhaust, and the recovery of the energy of the air exhaust is not facilitated, because a large amount of ammonia, hydrogen sulfide and other gases exist in the air exhaust, and the air enters a solution dehumidifier unit and then chemically reacts with a dehumidified solution, so that the dehumidifying performance of the solution can be reduced.
On the other hand, the fresh air dehumidifier has particularly high requirements due to the operation of the fresh air, and the absolute moisture content of the supplied air is required to be lower than 9g/kg of dry air. The energy consumption of the solution humidifying fresh air unit is high because of the large enthalpy difference of the treated fresh air.
Therefore, the problems that the solution humidifying fresh air handling unit for the experimental animal environment and the biological culture environment cannot regenerate by utilizing the waste gas discharged indoors and the energy consumption is too high are solved, and the technical problem which is urgent to be solved in the field is solved.
Disclosure of utility model
The utility model aims to provide a compound solution dehumidifying unit aiming at the defects in the prior art.
In order to achieve the above purpose, the utility model provides a combined solution dehumidifying unit, which comprises a regeneration channel, a dehumidifying channel and a return air channel, wherein a first air inlet and a first air outlet are arranged on the regeneration channel, a solution regenerating unit and a regenerating fan are arranged in the regeneration channel, a second air inlet and a second air outlet are arranged on the dehumidifying channel, a first air heat exchanger, a dehumidifying fan and a solution dehumidifying unit are arranged in the dehumidifying channel, the first air heat exchanger and the solution dehumidifying unit are sequentially arranged along the air flow direction, a return air inlet and an air outlet are arranged on the return air channel, and a second air heat exchanger and a return air fan are arranged in the return air channel.
Further, the solution regeneration unit comprises a regeneration solution tank, a regeneration solution pump connected with the regeneration solution tank and a first solution heat exchanger respectively connected with the regeneration solution tank and the regeneration solution pump.
Further, the solution dehumidifying unit comprises a dehumidifying solution tank, a dehumidifying solution pump and a second solution heat exchanger, wherein the dehumidifying solution tank is respectively connected with the regenerating solution tank and the regenerating solution pump, the dehumidifying solution pump is respectively connected with the dehumidifying solution tank and the regenerating solution tank, and the second solution heat exchanger is respectively connected with the dehumidifying solution tank and the dehumidifying solution pump.
Further, one end of the first solution heat exchanger is connected with the air outlet of the first compressor, the other end of the first solution heat exchanger is connected with one end of the first expansion valve, the other end of the expansion valve is connected with one end of the second solution heat exchanger, and the other end of the second solution heat exchanger is connected with the air inlet of the first compressor.
Further, one end of the second air heat exchanger is connected with the air outlet of the second compressor, the other end of the second air heat exchanger is connected with one end of the second expansion valve, the other end of the second expansion valve is connected with one end of the first air heat exchanger, and the other end of the first air heat exchanger is connected with the air inlet of the second compressor.
Further, a third solution heat exchanger is connected between the regeneration solution tank and the dehumidification solution tank.
Further, the first compressor and the second compressor are variable frequency compressors.
The beneficial effects are that: according to the utility model, the energy in the exhaust air is recovered by utilizing the compressor refrigerating system, and meanwhile, the exhaust air is not required to be used for solution regeneration, so that the reaction of harmful substances such as ammonia, hydrogen sulfide and the like in the exhaust air with the dehumidifying solution is avoided, and the dehumidifying performance of the solution is reduced; the double-cold-source calculation is adopted to carry out stepped cooling and dehumidification on fresh air which needs deep dehumidification, and the evaporation temperature of a front-stage refrigerating system can be improved, so that the energy efficiency of a unit is provided.
Drawings
FIG. 1 is a schematic diagram of a composite solution dehumidifier unit according to an embodiment of the present utility model;
Fig. 2 is a schematic structural diagram of a composite solution dehumidifier unit according to an embodiment of the present utility model.
Detailed Description
The utility model will be further illustrated by the following drawings and specific examples, which are carried out on the basis of the technical solutions of the utility model, it being understood that these examples are only intended to illustrate the utility model and are not intended to limit the scope of the utility model.
As shown in fig. 1 and 2, an embodiment of the present utility model provides a complex solution dehumidifying unit including a regeneration path 100, a dehumidifying path 200 and a return air path 300, wherein the regeneration path 100 and the return air path 300 are preferably disposed in parallel at an upper side of the dehumidifying path 200. The regeneration passage 100 is provided with a first air inlet b1 and a first air outlet b2, and the regeneration passage 100 is provided with a solution regeneration unit and a regeneration fan 13. The dehumidifying channel 200 is provided with a second air inlet a1 and a second air outlet a2, the dehumidifying channel 200 is internally provided with a first air heat exchanger 203, a dehumidifying fan 6 and a solution dehumidifying unit, wherein the first air heat exchanger 203 and the solution dehumidifying unit are sequentially arranged along the airflow direction, the air return channel 300 is provided with an air return opening b1 'and an air outlet b2', and the air return channel 300 is internally provided with a first condenser 201 and an air return machine 12.
The solution regeneration unit and the solution dehumidification unit are both in the prior art, wherein the solution regeneration unit comprises a regeneration solution tank 1, a regeneration solution pump 2 and a first solution heat exchanger 8. The regeneration solution pump 2 is connected to the regeneration solution tank 1, and the first solution heat exchanger 8 is connected to the regeneration solution tank 1 and the regeneration solution pump 2, respectively. The high-temperature refrigerant flowing in the first solution heat exchanger 8 heats the solution flowing in the first solution heat exchanger, and when the air introduced by the regenerating fan 13 flows through the filler in the regenerating solution tank 1, the water in the high-temperature solution flowing through the filler can be taken away. The solution dehumidifying unit includes a dehumidifying solution tank 7, a dehumidifying solution pump 5, and a second solution heat exchanger 11. The dehumidifying solution tank 7 is connected with the regenerating solution tank 1 and the regenerating solution pump 2 respectively, the dehumidifying solution pump 5 is connected with the dehumidifying solution tank 7 and the regenerating solution tank 1 respectively, and the second solution heat exchanger 11 is connected with the dehumidifying solution tank 7 and the dehumidifying solution pump 5 respectively. The solution flowing in the second solution heat exchanger 11 is cooled by the low-temperature refrigerant flowing in the second solution heat exchanger, and the air introduced by the dehumidifying fan 6 can be cooled and dehumidified after the low-temperature solution flows onto the filler from the liquid distributor. When the regeneration solution pump 2 and the dehumidification solution pump 5 work, the solution between the regeneration solution tank 1 and the dehumidification solution tank 7 can be subjected to circulating exchange, so that the solution with higher concentration in the regeneration solution tank 1 can be automatically fed into the dehumidification solution tank 7, the concentration of the solution in the dehumidification solution tank 7 can be ensured to meet the use requirement, and a solution dehumidification unit is ensured to have good dehumidification effect. Meanwhile, the solution with lower concentration in the dehumidifying solution tank 7 can be automatically fed into the regenerating solution tank 1, so that the concentration of the solution in the regenerating solution tank 1 can meet the regenerating requirement.
The first solution heat exchanger 8 and the second solution heat exchanger 11 are preferably located in the same compressor refrigeration system, specifically, one end of the first solution heat exchanger 8 is connected to the air outlet of the first compressor 10, the other end of the first solution heat exchanger is connected to one end of the first expansion valve 9, the other end of the expansion valve 9 is connected to one end of the second solution heat exchanger 11, and the other end of the second solution heat exchanger 11 is connected to the air inlet of the first compressor 10. By the operation of the first compressor 10, the compressor refrigeration system heats the regenerated liquid flowing in the first solution heat exchanger 8 and cools the dehumidified solution flowing in the second solution heat exchanger 11.
The first air heat exchanger 203 and the second air heat exchanger 201 are preferably located within the same compressor refrigeration system. Specifically, one end of the second air heat exchanger 201 is connected to the air outlet of the second compressor 204, and the other end thereof is connected to one end of the second expansion valve 202, the other end of the second expansion valve 202 is connected to one end of the first air heat exchanger 203, and the other end of the first air heat exchanger 203 is connected to the air inlet of the second compressor 204. By operation of the second compressor 204, the second air heat exchanger 201 absorbs cold in the exhaust air and transfers it to the fresh air to be dehumidified by the first air heat exchanger 203. The cold energy recovered from the exhaust air is used for precooling fresh air, so that the energy consumption of a unit is reduced. The first compressor 10 and the second compressor 204 are preferably variable frequency compressors to accommodate system energy modulation requirements.
A third solution heat exchanger 4 may also be connected between the regeneration solution tank 1 and the dehumidification solution tank 7. The solution flowing from the regeneration solution tank 1 to the dehumidification solution tank 7 and the solution flowing from the dehumidification solution tank 7 to the regeneration solution tank 1 are subjected to heat exchange in the heat exchanger 4. The temperature of the solution flowing into the dehumidifying solution tank 7 from the regenerating solution tank 1 is prevented from being too high, the temperature of the solution in the dehumidifying solution tank 7 is improved, and the dehumidifying effect of the solution is influenced; the temperature of the solution flowing into the regeneration solution tank 1 from the dehumidification solution tank 7 is prevented from being lower, the temperature of the solution in the regeneration solution tank 1 is reduced, and the regeneration effect of the solution is affected.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that other parts not specifically described are within the prior art or common general knowledge to a person of ordinary skill in the art. Modifications and alterations may be made without departing from the principles of this utility model, and such modifications and alterations should also be considered as being within the scope of the utility model.
Claims (7)
1. The utility model provides a combined type solution dehumidification unit, its characterized in that, includes regeneration channel, dehumidification passageway and return air passageway, be equipped with first air intake and first air outlet on the regeneration channel, and its inside solution regeneration unit and regeneration fan that is equipped with, be equipped with second air intake and second air outlet on the dehumidification passageway, and its inside first air heat exchanger, dehumidification fan and solution dehumidification unit that is equipped with, first air heat exchanger and solution dehumidification unit set gradually along the air current direction, be equipped with return air inlet and air exit on the return air passageway, and its inside is equipped with second air heat exchanger and return air fan.
2. The combined type solution dehumidifying unit as claimed in claim 1, wherein the solution regenerating unit comprises a regenerating solution tank, a regenerating solution pump connected with the regenerating solution tank, and a first solution heat exchanger connected with the regenerating solution tank and the regenerating solution pump, respectively.
3. The combined type solution dehumidifying unit according to claim 2, wherein the solution dehumidifying unit comprises a dehumidifying solution tank connected with the regenerating solution tank and the regenerating solution pump respectively, a dehumidifying solution pump connected with the dehumidifying solution tank and the regenerating solution tank respectively, and a second solution heat exchanger connected with the dehumidifying solution tank and the dehumidifying solution pump respectively.
4. A combined solution dehumidifying unit as claimed in claim 3, wherein one end of the first solution heat exchanger is connected to the air outlet of the first compressor, and the other end thereof is connected to one end of the first expansion valve, the other end of the expansion valve is connected to one end of the second solution heat exchanger, and the other end of the second solution heat exchanger is connected to the air inlet of the first compressor.
5. The combined solution dehumidifier unit of claim 4, wherein one end of the second air heat exchanger is connected to the air outlet of the second compressor, and the other end of the second air heat exchanger is connected to one end of the second expansion valve, the other end of the second expansion valve is connected to one end of the first air heat exchanger, and the other end of the first air heat exchanger is connected to the air inlet of the second compressor.
6. A combined solution dehumidifying unit as claimed in claim 3, wherein a third solution heat exchanger is connected between the regenerating solution tank and the dehumidifying solution tank.
7. The combined solution dehumidifier unit of claim 5, wherein the first compressor and the second compressor are variable frequency compressors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322238460.5U CN220958716U (en) | 2023-08-21 | 2023-08-21 | Combined solution dehumidifying unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322238460.5U CN220958716U (en) | 2023-08-21 | 2023-08-21 | Combined solution dehumidifying unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220958716U true CN220958716U (en) | 2024-05-14 |
Family
ID=91015742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322238460.5U Active CN220958716U (en) | 2023-08-21 | 2023-08-21 | Combined solution dehumidifying unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220958716U (en) |
-
2023
- 2023-08-21 CN CN202322238460.5U patent/CN220958716U/en active Active
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