CN217608825U - House ventilation unit is bred to beasts and birds and breed house thereof - Google Patents

Abstract

The utility model relates to the technical field of livestock and poultry breeding, and discloses a ventilation device for a livestock and poultry breeding house and the breeding house thereof, which comprises a breeding house, an air inlet channel and an air outlet channel, wherein the air inlet channel and/or the air outlet channel are/is provided with an air flow driving piece and an air flow control piece for controlling the ventilation speed; still including breeding the floor, be equipped with a plurality of beasts and birds in breeding the floor and breed and give up ventilation unit, a plurality of beasts and birds are bred and give up ventilation unit mutual independence. The patent of the utility model provides a solve prior art and bred the poor problem of ventilation effect in the house when beasts and birds are bred.

Description

House ventilation unit is bred to beasts and birds and breed house thereof

Technical Field

The utility model relates to a livestock and poultry breeding technology field, concretely relates to house ventilation unit is bred to livestock and poultry and breed house thereof.

Background

With the continuous development of livestock and poultry breeding technology, the technology of carrying out centralized breeding in breeding houses is more and more popular, when carrying out centralized breeding in breeding houses, in order to reduce the influence of external environment to breeding, generally set up breeding houses into a relatively closed state, and the livestock and poultry breeding in-process can produce a large amount of heat and steam because of the metabolic activity of beasts and birds to can continuously consume oxygen and produce harmful gas such as carbon dioxide, cause the gaseous component in breeding houses to change and influence the breed of beasts and birds.

Therefore, ventilation is an important means for regulating and controlling the environment of the breeding house, and by introducing fresh air into the breeding house, not only can dirty air in the house be discharged, but also redundant water vapor and redundant heat can be discharged, and the adverse effect of high temperature on livestock and poultry can be alleviated. However, in the existing breeding houses, ventilation in the breeding houses is promoted only by means of opening windows and the like, so that the ventilation effect is limited, and pests, viruses and the like in the external environment can easily enter the breeding houses through the windows and the like to damage livestock and poultry, so that the existing breeding houses need to be improved to realize better breeding.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is providing a house ventilation unit is bred to beasts and birds and breeds house thereof to breed when solving prior art and breed the interior poor problem of ventilation effect of house.

In order to solve the above problem, the utility model adopts the following technical scheme: a ventilation device for a livestock and poultry breeding house comprises a breeding house, an air inlet channel and an air outlet channel, wherein an air flow driving piece and an air flow control piece for controlling the ventilation speed are arranged on the air inlet channel and/or the air outlet channel; the top of breeding the house is equipped with the furred ceiling passageway with inlet air channel intercommunication, is equipped with a plurality of and breeds the ventilation window of house intercommunication on the furred ceiling wind channel.

The principle and the beneficial effect of the scheme are that: in the application, by arranging the air inlet channel and the air outlet channel and arranging the air flow driving piece on the air inlet channel and/or the air outlet channel, the air flow driving piece is used for driving air in the air inlet channel or the air outlet channel to flow directionally, so that external fresh air can enter the breeding house from the air inlet channel, dirty air in the breeding house can be discharged out of the breeding house from the air outlet channel, ventilation in the breeding house is actively and forcibly realized, and the ventilation effect is better than the natural ventilation effect of arranging windows and the like in the prior art; meanwhile, the suspended ceiling air duct and the ventilation windows are also arranged, so that part of fresh air in the air inlet duct can quickly enter the breeding house from the plurality of ventilation windows at the top of the breeding house, the ventilation efficiency is improved, and when quick ventilation is needed in the breeding house, the fresh air can be quickly conveyed to different positions of the breeding house through the plurality of ventilation windows, and a better ventilation effect is achieved; and still set up the air current control piece in this application and controlled the ventilation speed of breeding the house to can open the air current control piece completely when needs quick ventilation, and when need not quick ventilation in breeding the house, can utilize the air current control piece to reduce ventilation speed on inlet air channel and/or the air-out passageway, thereby reach better breed effect.

Preferably, as an improvement, be equipped with the transition wind channel in the bottom or the wall of breeding the house, the transition wind channel is located between inlet air channel and the furred ceiling wind channel, and is equipped with between transition wind channel and the breeding house and breeds the air inlet window.

When the beasts and birds are bred among the prior art, can utilize attemperator such as air conditioner to the temperature regulation in the house of breeding to the temperature range that the beasts and birds were bred, consequently the temperature of the bottom and the wall position of breeding the house is less with the inside difference in temperature of breeding the house, and when the external environment is great with the inside difference in temperature of breeding the house (for example winter external environment's temperature is less than minus, and the temperature in breeding the house is 20 ℃), if directly carry external fresh air to breeding the house in by inlet air channel, then cause easily that the temperature in breeding the house receives great influence and is unfavorable for breeding beasts and birds.

In this scheme, through set up transition wind channel on the bottom or the wall of breeding the house, when external fresh air enters into transition wind channel through inlet air channel, fresh air carries out the heat exchange with the transition wind channel that the temperature is comparatively stable in breeding the house (the heat exchange process can be fresh air heat absorption or radiating process, the difference in temperature size of fresh air and transition wind channel is looked at to particular case), and transition wind channel is located between inlet air channel and the furred ceiling wind channel, and be equipped with the breed air inlet window between transition wind channel and the breeding house, consequently, fresh air after the heat transfer is behind transition wind channel, partial fresh air directly enters into breeding the house by breeding the air inlet window, another part enters into the furred ceiling wind channel by transition wind channel, then enter into breeding the house by the furred ceiling wind channel, fresh air and the temperature in breeding the house is less, be favorable to making the temperature in breeding the house more stable and realize better breed effect.

Preferably, as an improvement, the airflow driving member includes a louver with adjustable ventilation amount disposed on the air inlet channel and/or the air outlet channel.

In this scheme, through setting up the shutter of the adjustable formula of air volume for the air inlet speed of inlet air channel and the speed homoenergetic of airing exhaust of air-out passageway can be adjusted, in order to satisfy different ventilation demands in breeding the house.

Preferably, as an improvement, the top of breed house is equipped with triangle district and furred ceiling board, furred ceiling board and triangle district enclose into the furred ceiling wind channel.

In this scheme, utilize the ceiling board to enclose with the triangular space who breeds the house top ceiling air duct, ceiling board's simple structure and easy to assemble can also make simultaneously and breed the house inside and breed the separation in one deck ceiling air duct between the top of house to reduce the influence of external environment to factors such as temperature in the house of breeding.

Preferably, as an improvement, the air outlet channel is provided with a heat exchange unit for exchanging heat with air in the air inlet channel.

In this scheme, through set up heat transfer unit on the air-out passageway, because the temperature of the muddy air of exhaust on the air-out passageway is unanimous basically with the temperature in the breed house, consequently can make the inside temperature of heat transfer unit unanimous basically with the inside temperature of breed house, and can exchange heat with heat transfer unit when air inlet passageway passes through heat transfer unit (the heat transfer process can be fresh air heat absorption or radiating process, fresh air and heat transfer unit's difference in temperature size is looked to particular case), make fresh air be adjusted to the state that is fit for the beasts and birds to breed more fast.

Preferably, as an improvement, the heat exchange unit comprises an exhaust pipe passing through the air inlet channel, and the inner pipe of the exhaust pipe forms the air outlet channel.

In this scheme, utilize the inner tube of exhaust pipe directly as the air-out passageway, simple structure, the manufacturing simple to operate of exhaust pipe, and the heat exchange speed of exhaust pipe is fast, is favorable to fresh air and the interior quick heat exchange of the foul air of discharging of exhaust pipe.

Preferably, as an improvement, the intercommunication has the top to be higher than the ventilation room of breeding the house between inlet air channel and the transition wind channel, it has the roof air inlet window to open on the ventilation room, the exhaust pipe is located the ventilation room.

According to the scheme, the ventilation room is arranged, the exhaust pipe is located in the ventilation room, the ventilation room is used for accommodating and protecting the exhaust pipe, and the ventilation room is higher than a breeding house, so that fresh air is buffered after entering the ventilation room through the air inlet channel, and the fresh air can exchange heat with the exhaust pipe more fully; meanwhile, the roof air inlet window is arranged on the ventilation room, so that the roof air inlet window can be opened to enable fresh air in the external environment to enter the ventilation room, and the entering amount of the fresh air can be increased when a large amount of ventilation is needed in the breeding house.

Preferably, as an improvement, ventilation room and transition wind channel intercommunication position are equipped with the switch door, just be equipped with the furred ceiling ventilation window between ventilation room and the furred ceiling passageway.

In this scheme, when the closing switch was closed, the route that gets into transition wind channel was blocked, and fresh air in the ventilation room this moment can enter into the furred ceiling wind channel by furred ceiling ventilation window, then enters into the breed house by the furred ceiling wind channel, closes the transition wind channel and clears up the in-process of perhaps maintaining to the transition wind channel, still can let in fresh air to breeding the house in, does not influence the normal breed of breeding the house.

Preferably, as an improvement, an air filter is connected to the air inlet channel.

In this scheme, through setting up air filter, can filter the fresh air that gets into in breeding the house, reduce impurity such as dust in the fresh air, play better ventilation effect.

The utility model provides a house is bred to beasts and birds, includes breeds the floor, it breeds house ventilation unit to be equipped with a plurality of beasts and birds in the breed floor, and a plurality of beasts and birds are bred house ventilation unit mutually independent.

In this scheme, set up a plurality of mutually independent beasts and birds in breeding the floor and breed and give up ventilation unit, different beasts and birds are bred and give up ventilation unit mutually independent for ventilation and control by temperature change in each breed house are mutually independent, can breed different types of beasts and birds in the different house of breeding in the same floor.

Drawings

Fig. 1 is a front cross-sectional view of a first embodiment of the present invention.

Fig. 2 isbase:Sub>A cross-sectional view taken alongbase:Sub>A-base:Sub>A in fig. 1.

Fig. 3 is a front cross-sectional view of a second embodiment of the present invention.

Fig. 4 is a front cross-sectional view of a third embodiment of the present invention.

Fig. 5 is a cross-sectional view taken along line B-B of fig. 4.

Fig. 6 is a front cross-sectional view of a fourth embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: breed house 1, inlet air duct 2, air-out passageway 3, exhaust pipe 4, negative-pressure air fan 5, positive-pressure air fan 6, transition wind channel 7, closing plate 8, airstrainer 9, cascade 10, furred ceiling wind channel 11, ventilation window 12, shutter 13, furred ceiling board 14, ventilation room 15, roof air inlet window 16, switch door 17, furred ceiling ventilation window 18.

Example one

This embodiment is substantially as shown in fig. 1: the utility model provides a house ventilation unit is bred to beasts and birds, includes the breed house 1 with external environment mutual isolation, breeds 1 intercommunication in house and has inlet air duct 2 and air-out passageway 3, is equipped with on the air-out passageway 3 to be used for carrying out the heat transfer unit of heat transfer with 2 interior gases of inlet air duct. In this embodiment, heat transfer unit includes exhaust pipe 4, the inlet end of exhaust pipe 4 passes through screw fixed connection in the right side of breeding house 1, the export sets up towards the left side after the air-out end kickup of exhaust pipe 4, the inner tube of exhaust pipe 4 forms aforementioned air-out passageway 3, and simultaneously, exhaust pipe 4 passes inlet air passageway 2, make gas in inlet air passageway 2 can carry out the heat exchange with the gas in exhaust pipe 4, in order to promote heat exchange efficiency, in this embodiment, exhaust pipe 4 can adopt thin-walled stainless steel pipe or the higher copper pipe of coefficient of heat conductivity etc.. Combine fig. 2, can set up many exhaust pipes 4 simultaneously in same breed house 1, many exhaust pipes 4 transversely arrange and leave ventilation gap between the adjacent exhaust pipe 4 to promote the heat exchange efficiency in the inlet air duct 2 and promote the efficiency of breeding the dirty air exhaust in house 1.

And the air outlet channel 3 and/or the exhaust pipe 4 are/is provided with an air flow driving piece and an air flow control piece for controlling the ventilation speed. The airflow driving part comprises a fan, and particularly, the fan can be a negative pressure fan 5 fixed on the air outlet end of the exhaust pipe 4 through a screw, or a positive pressure fan 6 fixedly connected to the air inlet of the air inlet channel 2 through a screw. In this embodiment, install negative pressure air fan 5 and positive pressure air fan 6 simultaneously for breed 1 interior gas exchange rate in house can reach very fast speed, in other embodiments outside this embodiment, when needing not very high to gas exchange rate in breeding house 1, can the alternative use positive pressure air fan 6 or negative pressure air fan 5, under the prerequisite that guarantees to realize the gas exchange rate requirement, reduce fan quantity and practice thrift equipment cost. The airflow control part comprises a louver 13 with adjustable ventilation quantity, which is arranged on the air inlet channel 2 and/or the air outlet channel 3, similarly, the louver 13 can be properly selected to be arranged on the air inlet channel 2 and the air outlet channel 3 according to the arrangement mode of the fan, the ventilation quantity of the louver 13 can be adjusted by manually rotating the blades of the louver 13, meanwhile, an electric louver can also be adopted, the electric louver is electrically connected with the fan, the opening size of the electric louver is automatically matched with the rotating speed of the fan and the like, so that the ventilation quantity of the louver is automatically adjusted, and the specific connection mode that the electric louver is electrically connected with the fan is not repeated here because the opening size of the electric louver is controlled by using an electric signal belongs to the prior art.

Still be equipped with transition wind channel 7 in breeding house 1, transition wind channel 7 in this embodiment sets up in the bottom of breeding house 1, as shown in fig. 1, the air inlet end of 7 right-hand members in transition wind channel communicates with inlet air channel 2's left end, 7 left ends in transition wind channel communicate with the left side of breeding house 1 through breeding the air inlet window, combine fig. 2, the closing plate 8 of corrosion resistant plate material (or utilize concrete placement) has been laid at the top in transition wind channel 7, it is sealed to utilize closing plate 8 to make transition wind channel 7 and breeding house 1 mutual isolation, and the gas of breeding house 1 can carry out the heat exchange through corrosion resistant plate with the gas in the transition wind channel 7. In other embodiments besides this embodiment, the transition air duct 7 can be further disposed on the wall of the breeding house 1, for example, the inner tube channel of the thin-wall stainless steel tube is used as the transition air duct 7, when in use, the stainless steel tube is mounted on the wall of the breeding house 1 or in the wall, and a similar heat exchange effect can be achieved, but compared with the transition air duct 7 disposed at the bottom of the breeding house 1, the transition air duct 7 is disposed on the wall, and the transition air duct 7 can be damaged during the activity of the livestock and poultry in the breeding house 1, so that the transition air duct 7 is generally disposed at the bottom of the breeding house 1, the cost is lower, and the cleaning is more convenient.

As shown in fig. 1, the air filter is disposed on the air intake channel 2, in this embodiment, the air filter is an air filter net 9 fixedly connected to the air intake channel 2 by bolts, and all air passing through the air intake channel 2 can be filtered by the air filter net 9, and after the air filter net 9 is used for a period of time, the air filter net 9 can be detached for cleaning or directly replaced.

Breed the triangular space that the top of house 1 is the triangle structure, the furred ceiling board 14 that the horizontal level of screw fixedly connected with set up is passed through at the top of simultaneously breeding house 1, the furred ceiling board 14 encloses into furred ceiling wind channel 11 with the triangular space of breeding house 1 top, the left end intercommunication in furred ceiling wind channel 11 and transition wind channel 7, it has a plurality of and the ventilation window 12 of breeding house 1 intercommunication to open on the furred ceiling board 14, a plurality of ventilation window 12 is transversely evenly arranged along furred ceiling board 14, make partial fresh air in inlet channel 2 when getting into the left side of breeding house 1, another part fresh air in inlet channel 2 can get into furred ceiling wind channel 11, then let in each corner in breeding house 1 with fresh air fast by a plurality of ventilation window 12, so that the beasts and birds of each position in the breeding house 1 can both obtain fresh air fast

The utility model provides a house is bred to beasts and birds, includes and breeds the floor, is equipped with the foretell beasts and birds of a plurality of and breeds house ventilation unit in breeding the floor, shows in figure 2 that it breeds the condition of house ventilation unit to be provided with two beasts and birds in the breeding floor, breeds house 1 among the house ventilation unit and keeps apart through the chamber wall of breeding the middle vertical setting of floor for two breed houses 1 mutual independence about, can breed the same or different kinds of beasts and birds in different breed houses 1.

The specific implementation process is as follows:

livestock and poultry are bred in the breeding house 1, when the livestock and poultry are bred, the positive pressure fan 6 and the negative pressure fan 5 are opened, the positive pressure fan 6 pumps outside fresh air into the air inlet channel 2, the fresh air is filtered by the air filter screen 9, part of the fresh air passes through the gap between the exhaust pipes 4 and then enters the transition air channel 7, and enters the breeding house 1 from the air outlet end of the transition air channel 7 to supplement the fresh air to the breeding house 1, the other part of the fresh air directly enters the ceiling air channel 11 from the air inlet channel 2 or enters the ceiling air channel 11 from the left end of the transition air channel 7 upwards, and then rapidly enters the breeding house 1 from the ceiling air channel 11 downwards through the ventilation windows 12, so that the fresh air is rapidly discharged to each position of the breeding house 1; meanwhile, when negative-pressure air fan 5 rotates, utilize exhaust pipe 4 constantly to suck the dirty air in breeding house 1 outside breeding house 1, because the air-out end of exhaust pipe 4 is located the top of breeding house 1 and air intake of inlet air duct 2 is located the right side of breeding house 1, can avoid being adsorbed in inlet air duct 2 by exhaust pipe 4 exhaust dirty air, make the air in inlet air duct 2 fresh, and at whole ventilation's in-process, can utilize shutter 13 to adjust ventilation's speed, make the degree of opening and shutting of shutter and ventilation's speed adaptation. Meanwhile, because of the high requirement on the temperature when the livestock and poultry are cultivated, in the prior art, an air conditioner or other temperature control equipment is used for adjusting the temperature in the cultivation house 1 in the cultivation process, so that the temperature in the cultivation house 1 is stabilized within a certain range (for example, 20 ℃), the temperature of the external environment is greatly different in each season, the temperature difference of different geographical positions is also large, and the low temperature in winter and the high temperature in summer are taken as an example for explanation:

in winter, the temperature of the external environment is low (for example, 0 ℃), the temperature of fresh air entering the air inlet channel 2 is lower than the temperature of gases in the breeding house 1 and the exhaust pipe 4, when the fresh air with the low temperature passes through the exhaust pipe 4, the fresh air exchanges heat with dirty air in the exhaust pipe 4, partial heat is recycled, the temperature of the fresh air is increased (for example, 10 ℃), and then when the fresh air passes through the transition air channel 7, the temperature difference between the temperature of the fresh air entering the breeding house 1 and the temperature of the gases in the breeding house 1 is not large due to the fact that the temperature difference between the transition air channel 7 and the temperature of the fresh air in the breeding house 1 is small (for example, 15 ℃), and the temperature of the fresh air entering the breeding house 1 is favorable for keeping a proper state.

In summer, the temperature of the external environment is high (for example, 35 ℃), the temperature of fresh air entering the air inlet channel 2 is higher than the temperature of gas in the exhaust pipe 4, when the fresh air with the high temperature passes through the exhaust pipe 4, the fresh air exchanges heat with dirty air in the exhaust pipe 4, partial heat of the fresh air is diffused into the exhaust pipe 4, the temperature of the fresh air is reduced (for example, the temperature is reduced to 30 ℃), then when the fresh air passes through the transition air channel 7, the temperature difference between the transition air channel 7 and the breeding house 1 is small, the fresh air is further reduced (for example, the temperature reaches 25 ℃), the temperature difference between the temperature when the fresh air enters the breeding house 1 and the gas in the breeding house 1 is not large, and the temperature in the breeding house 1 is kept in a proper state.

Example two

The difference between the second embodiment and the first embodiment is that: as shown in fig. 3, in this embodiment, the filter further includes a water curtain 10 disposed in the air intake channel 2 and the transition air channel 7, when the external fresh air sequentially passes through the air intake channel 2 and the transition air channel 7, the water curtain 10 can be used to further filter the fresh air, and the temperature of the fresh air can be lowered, when the temperature of the external environment is higher than the temperature in the breeding house 1, the water curtain 10 can be opened to cool the fresh air, so that the temperature of the fresh air rapidly falls into the set temperature range when entering the breeding house 1. In this embodiment, the water curtains 10 are disposed in the air inlet channel 2 and the transition air channel 7, but in the actual use process, only one of the water curtains 10 may be disposed or opened on the premise of ensuring the cooling effect.

EXAMPLE III

The difference between the third embodiment and the first embodiment is that: as shown in fig. 4 and 5, a ventilation room 15 is communicated between the air inlet channel 2 and the transition air channel 7, and the top of the ventilation room 15 is higher than that of the breeding house 1, so that the exhaust pipe 4 is positioned in the ventilation room 15, and the ventilation room 15 is used for accommodating and protecting the exhaust pipe 4; meanwhile, because the ventilation room 15 has a larger space, after the fresh air in the air inlet channel 2 enters the ventilation room 15, the ventilation room 15 has a buffering and decelerating effect on the fresh air, so that the retention time of the fresh air in the ventilation room 15 is prolonged, the fresh air is in longer contact with the exhaust pipe 4, and a more sufficient heat exchange effect is achieved; meanwhile, the right side wall of the ventilation room 15 is provided with a roof air inlet window 16, when the cultivation house 1 needs to be ventilated quickly and in a large amount, external air can be sucked into the ventilation room 15 through the roof air inlet window 16 by using a fan and the like, and the ventilation speed is improved.

Example four

The difference between the fourth embodiment and the third embodiment is that: as shown in fig. 6, in this embodiment, a switch door 17 is disposed at a connection position between the ventilation room 15 and the transition air duct 7, the switch door 17 may be installed in the ventilation room 15 in a sliding or hinged manner, and when the switch door 17 is closed, fresh air in the ventilation room 15 cannot enter the transition air duct 7; meanwhile, the right end of the ceiling air duct 11 is provided with a ceiling ventilation window 18 communicated with the ventilation room 15, so that fresh air in the ventilation room 15 can directly enter the ceiling air duct 11 through the ceiling ventilation window 18.

In the embodiment, by arranging the switch door 17, when the transition air duct 7 needs to be cleaned or maintained and cannot be used, the switch door 17 can be closed, then fresh air in the ventilation room 15 directly enters the ceiling air duct 11 through the ceiling ventilation window 18, then the ceiling air duct 11 downwards passes through the ventilation window 12 and then enters the breeding house 1, and when the transition air duct 7 cannot provide fresh air, the fresh air can be normally conveyed into the breeding house 1; and when transition wind channel 7 is in the user state at ordinary times, also can open furred ceiling ventilation window 18 for partly fresh air in ventilation room 15 directly enters into furred ceiling wind channel 11, supplementary inputs fresh air and supplementary breed the ventilation of house 1 in the furred ceiling wind channel 11.

The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be defined by the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (10)

1. The utility model provides a house ventilation unit is bred to beasts and birds, is including breeding house, inlet air channel and air-out passageway, its characterized in that: the air inlet channel and/or the air outlet channel are/is provided with an air flow driving piece and an air flow control piece for controlling the ventilation speed; the top of breeding the house is equipped with the furred ceiling wind channel with inlet air channel intercommunication, be equipped with on the furred ceiling wind channel a plurality of with breed the ventilation window of house intercommunication.

2. The ventilation device for the livestock and poultry breeding house according to claim 1, characterized in that: the bottom or the wall of the breeding house is provided with a transition air channel, the transition air channel is positioned between the air inlet channel and the ceiling air channel, and a breeding air inlet window is arranged between the transition air channel and the breeding house.

3. The ventilation device for the livestock and poultry breeding house according to claim 2, characterized in that: the airflow driving piece comprises a ventilation quantity adjustable shutter arranged on the air inlet channel and/or the air outlet channel.

4. A ventilation device for a livestock and poultry breeding house according to claim 2, characterized in that: the top of breeding the house is equipped with triangle district and furred ceiling board, furred ceiling board and triangle district enclose become the furred ceiling wind channel.

5. A ventilation device for a livestock and poultry breeding house according to claim 4, characterized in that: and the air outlet channel is provided with a heat exchange unit used for exchanging heat with the gas in the air inlet channel.

6. The ventilation device for the livestock and poultry breeding house according to claim 5, characterized in that: the heat exchange unit comprises an exhaust pipe penetrating through the air inlet channel, and the inner pipe of the exhaust pipe forms the air outlet channel.

7. The ventilation device for the livestock and poultry breeding house according to claim 6, characterized in that: the intercommunication has the top to be higher than the ventilation room of breeding the house between inlet air duct and the transition wind channel, it has the roof air inlet window to open on the ventilation room, the exhaust pipe is located the ventilation room.

8. The ventilation device for the livestock and poultry breeding house according to claim 7, characterized in that: the ventilation room is provided with a switch door at the position communicated with the transition air channel, and a ceiling ventilation window is arranged between the ventilation room and the ceiling channel.

9. The ventilation device for the livestock and poultry breeding house according to claim 8, characterized in that: the air inlet channel is connected with an air filter.

10. The utility model provides a house is bred to beasts and birds, includes breeds the floor, its characterized in that: a plurality of livestock and poultry breeding house ventilation devices according to any one of claims 1-9 are arranged in the breeding floors, and the livestock and poultry breeding house ventilation devices are mutually independent.

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