CN113303231A - Heat recovery ventilation air conditioning unit for livestock and poultry breeding - Google Patents
Heat recovery ventilation air conditioning unit for livestock and poultry breeding Download PDFInfo
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- CN113303231A CN113303231A CN202110540455.2A CN202110540455A CN113303231A CN 113303231 A CN113303231 A CN 113303231A CN 202110540455 A CN202110540455 A CN 202110540455A CN 113303231 A CN113303231 A CN 113303231A
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- air
- fresh air
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
- A01K1/0076—Arrangement of heaters or heat exchangers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
- A01K1/0052—Arrangement of fans or blowers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
- A01K1/0064—Construction of air inlets or outlets in walls
Abstract
The invention belongs to the technical field of ventilation, and relates to a heat recovery ventilation air conditioning unit for livestock and poultry breeding, which comprises a unit shell, wherein a heat exchange core and a partition plate are arranged in the unit shell, the heat exchange core and the partition plate divide the internal space of the unit shell into a fresh air fan chamber, an indoor exhaust chamber, an outdoor fresh air chamber and an exhaust air fan chamber, and the fresh air fan chamber and the exhaust air fan chamber are respectively internally provided with a fresh air fan and an exhaust air fan; one opposite side surface of the heat exchange core body is respectively communicated with the indoor exhaust chamber and the exhaust fan chamber, and the other opposite side surface of the heat exchange core body is respectively communicated with the fresh air fan chamber and the outdoor fresh air chamber; a fresh air bypass unit, an exhaust bypass unit and a return air bypass unit are also arranged in the unit shell. The invention can adjust the working conditions of the fresh air fan, the exhaust fan, the fresh air bypass unit, the exhaust bypass unit and the return air bypass unit according to the actual conditions in different seasons and different culture stages, thereby realizing the accurate adjustment of heat recovery, temperature and humidity and air volume, consumption reduction and energy conservation.
Description
Technical Field
The invention relates to a heat recovery ventilation air conditioning unit for livestock and poultry breeding, and belongs to the technical field of ventilation.
Background
The currently applied ventilator units mainly comprise two types, one type is a pure fresh air conditioner unit without a heat recovery function, fresh air can only be heated, refrigerated, humidified and the like, and then is sent into a shed body, air in the shed is completely discharged outside the shed directly through a shed body exhaust system, and heat in the shed is completely wasted, so that the fresh air treatment energy consumption is large, energy is not saved, and the breeding cost is high; the other type is a pure fresh air ventilator unit which has a heat recovery function and can exchange heat between the air exhausted from the house and the fresh air sent into the house, but because the fresh air ventilator unit does not have the functions of return air bypass, exhaust air bypass and fresh air bypass, the internal resistance of the system is not changed when the temperature changes frequently or the heat recovery is not needed in different feeding stages and seasons, so that the accurate adjustment of the fan cannot be carried out, and the frequency reduction and energy conservation cannot be realized.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the livestock and poultry breeding heat recovery ventilation air conditioning unit can adjust the working conditions of the fresh air fan, the exhaust fan, the fresh air bypass unit, the exhaust bypass unit and the return air bypass unit according to actual conditions of different seasons and different breeding stages, and achieves accurate regulation of heat recovery, temperature and humidity and air quantity, consumption reduction and energy conservation.
The livestock and poultry breeding heat recovery ventilation air conditioning unit comprises a unit shell, wherein a heat exchange core and a partition plate are arranged in the unit shell, the heat exchange core and the partition plate divide the inner space of the unit shell into a fresh air fan chamber, an indoor exhaust chamber, an outdoor fresh air chamber and an exhaust air fan chamber, the fresh air fan chamber is communicated with a fresh air outlet, a fresh air inlet valve is arranged at a fresh air inlet, the indoor exhaust chamber is communicated with an exhaust inlet, the outdoor fresh air chamber is communicated with a fresh air inlet, the exhaust air fan chamber is communicated with an exhaust outlet, and a fresh air fan and an exhaust air fan are respectively arranged in the fresh air fan chamber and the exhaust air fan chamber; one opposite side surface of the heat exchange core body is respectively communicated with the indoor exhaust chamber and the exhaust fan chamber, and the other opposite side surface of the heat exchange core body is respectively communicated with the fresh air fan chamber and the outdoor fresh air chamber; the unit shell is also internally provided with a fresh air bypass unit, an exhaust bypass unit and a return air bypass unit, the fresh air bypass unit is communicated with an outdoor environment and a fresh air fan chamber, the exhaust bypass unit is communicated with an indoor exhaust chamber and an exhaust fan chamber, and the return air bypass unit is communicated with the indoor exhaust chamber and the fresh air fan chamber.
The motors used by the fresh air fan and the air exhaust fan can be frequency conversion motors, and the specific working state is as follows.
When the device runs in winter: fresh air inlet valve is open state, fresh air path: fresh air enters an outdoor fresh air chamber from a fresh air inlet, then enters a fresh air fan chamber after passing through a heat exchange core, and then enters a house through a fresh air fan and a fresh air outlet; air exhaust path: the exhaust air in the house enters the indoor exhaust chamber from the exhaust air inlet, then enters the exhaust air fan chamber after passing through the heat exchange core, and finally is exhausted to the outside through the exhaust air fan and the exhaust air outlet, in the process, the heat exchange is carried out when the fresh air and the exhaust air pass through the heat exchange core, the fresh air is heated, the temperature of the fresh air fed into the house is improved, the natural gas consumption of a heater in the house is reduced, and the fresh air bypass unit, the exhaust air bypass unit and the return air bypass unit are all in a non-working state;
when the electric vehicle runs in summer: fresh air bypass unit and the bypass unit of airing exhaust are operating condition, and return air bypass unit is non-operating condition, and the fresh air inlet valve is closed state, fresh air route: fresh air enters the fresh air fan chamber through the fresh air bypass unit and then is sent into the house through the fresh air fan and the fresh air outlet; air exhaust path: the exhaust air in the house enters the indoor exhaust chamber through the exhaust air inlet, then enters the exhaust air fan chamber through the exhaust air bypass unit, and finally is exhausted to the outside through the exhaust air fan and the exhaust air outlet, and in the process, the heat exchange between the fresh air and the exhaust air is not needed, so that the system resistance is small, the fresh air fan can be used in a frequency reduction manner, and the energy consumption is reduced;
when the season was in turn, when external environment temperature was less than the temperature in the house, and the difference in temperature was less, realized the regulation of each part ventilation volume through the degree of opening and new trend bypass unit of adjusting the new trend inlet valve, the bypass unit of airing exhaust and the work degree of return air bypass unit:
in the case of fresh air inlet, the air supply volume of a fresh air fan is set to be 100%, the air inlet volume through a fresh air inlet, a heat exchange core and a fresh air fan chamber is 50%, the air inlet volume entering the fresh air fan chamber through a fresh air bypass unit is 30%, the air inlet volume entering the fresh air fan chamber through a return air bypass unit is 20%, and the air inlet volume finally entering the fresh air fan chamber is sent into the house through the fresh air fan and a fresh air outlet;
at this moment, under the condition of air exhaust in the henhouse, the air volume entering the indoor air exhaust chamber from the henhouse is set to be 100% of the rated air volume of the air exhaust fan, and the working air flow is divided into three paths: the first path accounts for 50% of rated air volume of the exhaust fan, and is exhausted to the environment through an indoor exhaust chamber, a heat exchange core body, the exhaust fan and an exhaust outlet; the second path accounts for 30 percent of rated air volume of the air exhaust fan and is exhausted to the environment through an indoor air exhaust chamber, an air exhaust bypass unit, the air exhaust fan and an air exhaust outlet; the third path accounts for 20 percent of rated air volume of the exhaust fan, and then respectively passes through an indoor exhaust chamber, a return air bypass unit, a fresh air fan and a fresh air outlet to reenter the house, namely 20 percent of the fresh air in the condition of inlet air is high-temperature return air; according to the fresh air inlet condition, the fresh air volume actually fed into the henhouse is 80% of the rated air volume of the fresh air fan, the load of the exhaust fan is 80% of the rated value at the moment, 30% of the load does not pass through the heat exchange core body, the system resistance can be reduced, the exhaust fan can also be used for reducing the frequency, and the energy consumption of the fan is reduced. In the circulation process, the fresh air has two temperature rise processes, wherein 50% of fresh air and 50% of exhaust air pass through the heat exchange core body for energy recovery, and the temperature of the fresh air at a fresh air inlet is increased; the high-temperature return air with the concentration of 20% is mixed into the fresh air for the second time, the air supply temperature at the fresh air outlet is increased again, and the consumption of the natural gas in the house is reduced.
Preferably, the fresh air bypass unit comprises a fresh air bypass pipe, the fresh air bypass pipe is provided with a fresh air bypass valve, and two ends of the fresh air bypass pipe are respectively communicated with the outdoor environment and the fresh air fan chamber; and a non-woven cotton filter cloth is arranged between the fresh air fan chamber and the fresh air bypass pipe. The fresh air quantity passing through the fresh air bypass unit can be adjusted by controlling the opening degree of the fresh air bypass valve, and the fresh air entering the fresh air fan chamber is filtered by the non-woven cotton filter cloth, so that the fresh air is clean.
Preferably, the exhaust bypass unit comprises an exhaust bypass air pipe, two ends of the exhaust bypass air pipe are respectively communicated with the indoor exhaust chamber and the exhaust fan chamber, an exhaust bypass valve is arranged at one end of the exhaust bypass air pipe close to the indoor exhaust chamber, and non-woven cotton filter cloth is arranged between the exhaust bypass air pipe and the indoor exhaust chamber. The air exhaust amount in the house passing through the air exhaust bypass unit can be adjusted by adjusting the switch size of the air exhaust bypass valve, and the air exhaust in the house is ensured to be clean after being filtered by the non-woven cotton filter cloth.
Preferably, the return air bypass unit comprises a return air bypass pipe, a return air bypass valve is arranged on the return air bypass pipe, two ends of the return air bypass pipe are respectively communicated with the indoor exhaust chamber and the fresh air fan chamber, and non-woven cotton filter cloth is arranged between the return air bypass pipe and the indoor exhaust chamber. The return air quantity entering the fresh air fan chamber through the return air bypass unit can be adjusted by adjusting the size of a switch of the return air bypass valve, and the return air entering the fresh air fan chamber is clean after the exhaust air in the house is filtered by the non-woven cotton filter cloth.
Preferably, the wet curtain of cooling is add to new trend bypass pipe entrance, the wet curtain department of cooling sprays water action, carries out cooling treatment to external high temperature new trend to satisfy the interior temperature requirement of house.
Preferably, non-woven cotton filter cloth is respectively arranged between the heat exchange core body and the fresh air inlet and between the heat exchange core body and the exhaust air inlet, so that the air inlet entering the house and the exhaust air exhausted to the environment are clean.
Preferably, an indoor fresh air chamber is additionally arranged between the fresh air fan chamber and the fresh air outlet, the fresh air fan outlet is communicated with the indoor fresh air chamber, and the fresh air outlet is communicated with the indoor fresh air chamber. The arrangement of the indoor fresh air chamber can reduce air turbulence and noise, and the air supply static pressure box is replaced, so that the installation is convenient and more attractive.
Preferably, the fresh air inlet and the exhaust air inlet are arranged on the side face of the unit shell, the air pipe is conveniently in butt joint with the unit shell, the air resistance of the system is reduced to the minimum by reducing the use of an elbow of the air pipe, the power of the motor is further reduced, and energy conservation is realized.
Compared with the prior art, the invention has the beneficial effects that:
the invention has reasonable structural design, can adjust the working conditions of the fresh air fan, the exhaust fan, the fresh air bypass unit, the exhaust bypass unit and the return air bypass unit according to the actual conditions in different seasons and different culture stages, and realizes the accurate adjustment of heat recovery, temperature and humidity and air quantity, consumption reduction and energy conservation; an indoor fresh air chamber is additionally arranged, so that air turbulence is reduced, noise is reduced, and an air supply static pressure box is replaced, so that the installation is convenient and more attractive; the fresh air inlet and the exhaust air inlet are arranged on the side face of the unit shell, the use of air pipe elbows is reduced, the wind resistance of the system is reduced to the minimum, the power of the motor is further reduced, and energy conservation is realized.
Drawings
FIG. 1 is a front view of a heat recovery ventilation air conditioning unit for livestock and poultry breeding;
FIG. 2 is a top view of the heat recovery ventilation air conditioning unit for livestock and poultry breeding;
fig. 3 is a left side view of the livestock and poultry breeding heat recovery ventilation air conditioning unit.
In the figure: 1. a unit housing; 2. an indoor fresh air chamber; 3. a partition plate; 4. an indoor exhaust chamber; 5. a non-woven cotton filter cloth; 6. a fresh air inlet; 7. an outdoor fresh air chamber; 8. an exhaust outlet; 9. an exhaust fan; 10. an exhaust fan chamber; 11. an exhaust bypass air pipe; 12. an exhaust bypass valve; 13. a fresh air bypass pipe; 14. a return air bypass valve; 15. a fresh air fan chamber; 16. A fresh air fan; 17. a cooling wet curtain; 18. a fresh air outlet; 19. an exhaust inlet; 20. the heat exchange core body.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
referring to fig. 1-3, the heat recovery ventilation air conditioning unit for livestock and poultry breeding according to the present invention comprises a unit housing 1, wherein a heat exchange core 20 and a partition plate 3 are arranged in the unit housing 1, the heat exchange core 20 and the partition plate 3 divide the internal space of the unit housing 1 into a fresh air fan chamber 15, an indoor exhaust chamber 4, an outdoor fresh air chamber 7 and an exhaust air fan chamber 10, the fresh air fan chamber 15 is communicated with a fresh air outlet 18, the indoor exhaust air chamber 4 is communicated with an exhaust air inlet 19, the outdoor fresh air chamber 7 is communicated with a fresh air inlet 6, a fresh air inlet valve is arranged at the position of the fresh air inlet 6, the exhaust air fan chamber 10 is communicated with an exhaust air outlet 8, and a fresh air fan 16 and an exhaust air fan 9 are respectively arranged in the fresh air fan chamber 15 and the exhaust air fan chamber 10; one opposite side surface of the heat exchange core body 20 is respectively communicated with the indoor exhaust chamber 4 and the exhaust fan chamber 10, and the other opposite side surface is respectively communicated with the fresh air fan chamber 15 and the outdoor fresh air chamber 7; a fresh air bypass unit, an exhaust bypass unit and a return air bypass unit are further arranged in the unit shell 1, the fresh air bypass unit is communicated with an outdoor environment and a fresh air fan room 15, the exhaust bypass unit is communicated with an indoor exhaust room 4 and an exhaust fan room 10, and the return air bypass unit is communicated with the indoor exhaust room 4 and the fresh air fan room 15.
In this embodiment:
the fresh air bypass unit comprises a fresh air bypass pipe 13, a fresh air bypass valve is arranged on the fresh air bypass pipe 13, and two ends of the fresh air bypass pipe 13 are respectively communicated with the outdoor environment and a fresh air fan chamber 15; and a non-woven cotton filter cloth 5 is arranged between the fresh air fan chamber 15 and the fresh air bypass pipe 13. The fresh air quantity passing through the fresh air bypass unit can be adjusted by controlling the opening degree of the fresh air bypass valve, and the fresh air entering the fresh air fan chamber 15 is filtered by the non-woven cotton filter cloth 5, so that the fresh air is clean.
The exhaust bypass unit comprises an exhaust bypass air pipe 11, two ends of the exhaust bypass air pipe 11 are respectively communicated with the indoor exhaust chamber 4 and the exhaust fan chamber 10, one end of the exhaust bypass air pipe 11, which is close to the indoor exhaust chamber 4, is provided with an exhaust bypass valve 12, and non-woven cotton filter cloth 5 is arranged between the exhaust bypass air pipe 11 and the indoor exhaust chamber 4. The air exhaust amount in the house passing through the air exhaust bypass unit can be adjusted by adjusting the switch size of the air exhaust bypass valve 12, and the air exhaust in the house is ensured to be clean after being filtered by the non-woven cotton filter cloth 5.
The return air bypass unit comprises a return air bypass pipe, a return air bypass valve 14 is arranged on the return air bypass pipe, two ends of the return air bypass pipe are respectively communicated with the indoor exhaust room 4 and the fresh air fan room 15, and a non-woven cotton filter cloth 5 is arranged between the return air bypass pipe and the indoor exhaust room 4. The return air quantity entering the fresh air fan chamber 15 through the return air bypass unit can be adjusted by adjusting the switch size of the return air bypass valve 14, and the return air entering the fresh air fan chamber 15 is ensured to be clean after the exhaust air in the house is filtered by the non-woven cotton filter cloth 5.
A cooling wet curtain 17 is additionally arranged at the inlet of the fresh air bypass pipe 13, water spraying action is carried out at the cooling wet curtain 17, and the outside high-temperature fresh air is cooled so as to meet the temperature requirement in the house; non-woven cotton filter cloth 5 is respectively arranged between the heat exchange core body 20 and the fresh air inlet 6 and between the heat exchange core body 20 and the exhaust air inlet 19, so that the air inlet into the house and the exhaust air exhausted to the environment are clean.
An indoor fresh air chamber 2 is additionally arranged between a fresh air fan chamber 15 and a fresh air outlet 18, the outlet of the fresh air fan 16 is communicated with the indoor fresh air chamber 2, and the fresh air outlet 18 is communicated with the indoor fresh air chamber 2. The indoor fresh air chamber 2 can reduce air turbulence and noise, and replaces an air supply static pressure box, so that the installation is convenient and more attractive.
The motors used by the fresh air fan 16 and the exhaust air fan 9 can be variable frequency motors, and the specific working state is as follows.
When the device runs in winter: fresh air inlet 6 valve is open state, fresh air path: fresh air enters an outdoor fresh air chamber 7 through a fresh air inlet 6, then enters a fresh air fan chamber 15 through a heat exchange core body 20, and then enters a house through a fresh air fan 16 and a fresh air outlet 18; air exhaust path: the exhaust air in the house enters the indoor exhaust air chamber 4 from the exhaust air inlet 19, then enters the exhaust air fan chamber 10 after passing through the heat exchange core 20, and finally is exhausted to the outside through the exhaust air fan 9 and the exhaust air outlet 8.
When the electric vehicle runs in summer: fresh air bypass unit and the bypass unit of airing exhaust are operating condition, and return air bypass unit is non-operating condition, and 6 valves in fresh air entry are closed state, fresh air route: fresh air enters the fresh air fan chamber 15 through the fresh air bypass unit, and is cooled when passing through the cooling wet curtain 17 so as to meet the temperature requirement in the house, and then is sent into the house through the fresh air fan 16 and the fresh air outlet 18; air exhaust path: the exhaust air in the house enters the indoor exhaust chamber 4 through the exhaust air inlet 19, then enters the exhaust fan chamber 10 through the exhaust air bypass unit, and finally is exhausted to the outside through the exhaust fan 9 and the exhaust air outlet 8, in the process, the heat exchange between the fresh air and the exhaust air is not needed, the system resistance is small, the fresh air fan 16 can be used in a frequency reduction mode, and the energy consumption is reduced.
When the season was in turn, when external environment temperature was less than the temperature in the house, and the difference in temperature was less, realized the regulation of each part ventilation volume through the degree of opening and the fresh air bypass unit of adjusting the 6 valves of fresh air entry, the bypass unit of airing exhaust and the degree of opening of return air bypass unit:
at the moment, the air supply volume of the fresh air fan 16 is set to be 100 percent under the condition of fresh air inlet, the air inlet volume passing through the fresh air inlet 6, the heat exchange core 20 and the fresh air fan chamber 15 is set to be 50 percent, the air intake entering the fresh air fan chamber 15 through the fresh air bypass unit is 30 percent, the air intake entering the fresh air fan chamber 15 through the return air bypass unit is 20 percent, the air intake finally entering the fresh air fan chamber 15 is sent into the house through the fresh air fan 16 and the fresh air outlet 18, in the process, the fresh air entering the fresh air fan chamber 15 through the fresh air bypass unit and the return air bypass unit does not pass through the heat exchange core 20, therefore, the system resistance is reduced, the fresh air fan 16 can be used for reducing the frequency, the energy consumption of the fresh air fan 16 is reduced, and 20% of the air entering the fresh air fan room 15 through the return air bypass unit is high-temperature return air, so that the supply temperature of the fresh air can be increased, and the consumption of natural gas in the house can be reduced;
at this time, under the condition of air exhaust in the henhouse, the air volume entering the indoor air exhaust chamber 4 from the henhouse is set to be 100% of the rated air volume of the air exhaust fan 9, and the working air flow is divided into three paths: the first path accounts for 50 percent of rated air volume of the exhaust fan 9 and is exhausted to the environment through the indoor exhaust chamber 4, the heat exchange core 20, the exhaust fan 9 and the exhaust outlet 8 in sequence; the second path accounts for 30 percent of the rated air volume of the exhaust fan 9 and is exhausted to the environment through the indoor exhaust chamber 4, the exhaust bypass unit, the exhaust fan 9 and the exhaust outlet 8 in sequence; the third path accounts for 20 percent of rated air volume of the exhaust fan 9, and then enters the house again through the indoor exhaust room 4, the return air bypass unit, the fresh air fan 16 and the fresh air outlet 18, namely 20 percent of the fresh air intake condition is high-temperature return air; according to the fresh air inlet condition, the fresh air volume actually fed into the henhouse is 80% of the rated air volume of the fresh air fan 16, the load of the exhaust fan 9 is 80% of the rated value at the moment, 30% of the load does not pass through the heat exchange core body 20, the system resistance is reduced, the exhaust fan 9 can be used for reducing the frequency, and the fan energy consumption is reduced. In the circulation process, the fresh air has two temperature rise processes, wherein 50% of fresh air and 50% of exhaust air pass through the heat exchange core body 20 for energy recovery, and the temperature of the fresh air at the fresh air inlet 6 is increased; the high-temperature return air with the concentration of 20% is mixed into the fresh air for the second time, the air supply temperature at the 18-position fresh air outlet is increased again, and the consumption of the natural gas in the house is reduced.
Claims (8)
1. The utility model provides a heat recovery ventilation air conditioning unit is bred to beasts and birds, includes unit housing (1), its characterized in that: the heat exchange core body (20) and the partition plate (3) are arranged in the unit shell (1), the heat exchange core body (20) and the partition plate (3) divide the inner space of the unit shell (1) into a fresh air fan chamber (15), an indoor exhaust chamber (4), an outdoor fresh air chamber (7) and an exhaust air fan chamber (10), the fresh air fan chamber (15) is communicated with a fresh air outlet (18), the indoor exhaust chamber (4) is communicated with an exhaust air inlet (19), the outdoor fresh air chamber (7) is communicated with a fresh air inlet (6), a fresh air inlet valve is arranged at the position of the fresh air inlet (6), the exhaust air fan chamber (10) is communicated with an exhaust air outlet (8), and a fresh air fan (16) and an exhaust air fan (9) are respectively arranged in the fresh air chamber (15) and the exhaust air fan chamber (10); one opposite side surface of the heat exchange core body (20) is respectively communicated with an indoor exhaust chamber (4) and an exhaust fan chamber (10), and the other opposite side surface is respectively communicated with a fresh air fan chamber (15) and an outdoor fresh air chamber (7); the unit shell (1) is also internally provided with a fresh air bypass unit, an exhaust bypass unit and a return air bypass unit, the fresh air bypass unit is communicated with an outdoor environment and a fresh air fan room (15), the exhaust bypass unit is communicated with an indoor exhaust room (4) and an exhaust fan room (10), and the return air bypass unit is communicated with the indoor exhaust room (4) and the fresh air fan room (15).
2. The livestock and poultry breeding heat recovery ventilation air conditioning unit according to claim 1, characterized in that: the fresh air bypass unit comprises a fresh air bypass pipe (13), a fresh air bypass valve is arranged on the fresh air bypass pipe (13), and two ends of the fresh air bypass pipe (13) are respectively communicated with the outdoor environment and a fresh air fan chamber (15); and a non-woven cotton filter cloth is arranged between the fresh air fan chamber (15) and the fresh air bypass pipe (13).
3. The livestock and poultry breeding heat recovery ventilation air conditioning unit according to claim 1, characterized in that: the air exhaust bypass unit comprises an air exhaust bypass air pipe (11), two ends of the air exhaust bypass air pipe (11) are respectively communicated with an indoor air exhaust chamber (4) and an air exhaust fan chamber (10), one end, close to the indoor air exhaust chamber (4), of the air exhaust bypass air pipe (11) is provided with an air exhaust bypass valve (12), and non-woven cotton filter cloth (5) is arranged between the air exhaust bypass air pipe (11) and the indoor air exhaust chamber (4).
4. The livestock and poultry breeding heat recovery ventilation air conditioning unit according to claim 1, characterized in that: the return air bypass unit comprises a return air bypass pipe, a return air bypass valve (14) is arranged on the return air bypass pipe, two ends of the return air bypass pipe are respectively communicated with an indoor exhaust room (4) and a fresh air fan room (15), and non-woven cotton filter cloth (5) is arranged between the return air bypass pipe and the indoor exhaust room (4).
5. The livestock and poultry breeding heat recovery ventilation air conditioning unit according to claim 2, characterized in that: a cooling wet curtain (17) is additionally arranged at the inlet of the fresh air bypass pipe (13).
6. The livestock and poultry breeding heat recovery ventilation air conditioning unit according to claim 1, characterized in that: non-woven cotton filter cloth (5) is respectively arranged between the heat exchange core body (20) and the fresh air inlet (6) and between the heat exchange core body (20) and the exhaust air inlet (19).
7. The livestock and poultry breeding heat recovery ventilation air conditioning unit according to any one of claims 1-6, characterized in that: an indoor fresh air chamber (2) is additionally arranged between a fresh air fan chamber (15) and a fresh air outlet (18), the outlet of the fresh air fan (16) is communicated with the indoor fresh air chamber (2), and the fresh air outlet (18) is communicated with the indoor fresh air chamber (2).
8. The livestock and poultry breeding heat recovery ventilation air conditioning unit according to claim 1, characterized in that: the fresh air inlet (6) and the exhaust air inlet (19) are both arranged on the side surface of the unit shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540455.2A CN113303231A (en) | 2021-05-18 | 2021-05-18 | Heat recovery ventilation air conditioning unit for livestock and poultry breeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540455.2A CN113303231A (en) | 2021-05-18 | 2021-05-18 | Heat recovery ventilation air conditioning unit for livestock and poultry breeding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113303231A true CN113303231A (en) | 2021-08-27 |
Family
ID=77373568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110540455.2A Pending CN113303231A (en) | 2021-05-18 | 2021-05-18 | Heat recovery ventilation air conditioning unit for livestock and poultry breeding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113303231A (en) |
-
2021
- 2021-05-18 CN CN202110540455.2A patent/CN113303231A/en active Pending
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