CN214758468U - Air-conditioning positive pressure type livestock and poultry house - Google Patents

Air-conditioning positive pressure type livestock and poultry house Download PDF

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Publication number
CN214758468U
CN214758468U CN202120653817.4U CN202120653817U CN214758468U CN 214758468 U CN214758468 U CN 214758468U CN 202120653817 U CN202120653817 U CN 202120653817U CN 214758468 U CN214758468 U CN 214758468U
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air
positive pressure
poultry house
livestock
conditioning
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崔维浩
庞超
张飞
戴永强
冯晓龙
梁庆刚
沈盼
刘成
王兴杰
李修松
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Qingdao Big Herdsman Machinery Co Ltd
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Qingdao Big Herdsman Machinery Co Ltd
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Abstract

An air-conditioning positive pressure type livestock and poultry house comprises a livestock and poultry house body, wherein the livestock and poultry house body comprises a suspended ceiling and a raising area, air outlets are formed in two sides of the raising area, and the livestock and poultry house further comprises a positive pressure air supply system and a regulating and controlling system; the positive pressure air supply system comprises an air chamber and an air duct, an air conditioner air inlet and a winter air inlet are arranged on the outer side of the air chamber, a plurality of positive pressure fans are arranged between the inner side of the air chamber and the air duct, the air duct is arranged in the suspended ceiling, and the air duct is communicated with the breeding area through a suspended ceiling small window; the regulation and control system comprises a first controller, a second controller, a pressure sensor and a temperature sensor, wherein the pressure sensor controls the opening size to determine that the indoor space is in a positive pressure ventilation state all the time through calculating a pressure difference value, positive pressure ventilation all the year round is carried out, the pressure in the house is guaranteed to be larger than the outdoor air pressure all the time, unfiltered air in the house is prevented from entering the house, and meanwhile, harmful wind in winter is prevented from entering the house, and the safety of animals in the house is guaranteed.

Description

Air-conditioning positive pressure type livestock and poultry house
Technical Field
The utility model relates to a livestock breeding house ventilation field, concretely relates to air conditioner positive pressure formula poultry house.
Background
The scale economy and the high-efficiency production lead most pigs to be raised indoors, and the artificial environment has important influence on the production performance of the pigs and the physical and psychological health of staff. China is vast and has complex and changeable climate. The core task of regulating and controlling the artificial environment is to overcome the influence of the large environment, regulate and control the small environment of the livestock and poultry house, provide the most suitable environment for the pigs at each stage and maximize the production performance of the live pigs.
The temperature regulating ability of pigs is poor, sweat glands are not developed, hairs are few, heat dissipation is difficult in summer, and cold resistance is poor in winter. The specific artificial environment regulation needs to consider the types of pigs, the production targets and the environment of the pigs. For fattening pigs, the optimum growth temperature is 18-22 ℃, and the environment temperature is higher than the appropriate temperature, so that the pigs are subjected to heat stress, the respiratory rate is accelerated, the feed intake is reduced, and the feed conversion rate is reduced. Similarly, cold stress results from ambient temperatures below the desired temperature, and pigs need to consume more feed to produce energy to keep out the cold and reduce growth rate.
At present, the ventilation mode mainly adopts negative pressure type ventilation, and the defect is that the requirement on the building sealing performance of the house is high, particularly, the animal house which has high animal safety level and needs air filtration is not beneficial to biological safety because the interior of the house is negative pressure, and if the animal house is not sealed tightly, unfiltered air outside the house is easily pumped into the house. And thereby control system among the prior art all detects temperature in the house through temperature sensor and controls but if the poultry house overlength, the air temperature of rear end is higher than the front end in the house during ventilation, thereby the temperature adjustment that thereby the temperature realization accuracy in the house that leads to the temperature imbalance is difficult accurate measures to the house in.
Therefore, how to realize good cooling and ventilation of the livestock and poultry house, the temperature regulation can be accurately realized, and the problem of preventing biological safety needs to be solved at the present stage.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a: an air-conditioning positive pressure type livestock and poultry house comprises a livestock and poultry house body, wherein the livestock and poultry house body comprises a suspended ceiling and a raising area, air outlets are formed in two sides of the raising area, and the livestock and poultry house further comprises a positive pressure air supply system and a regulating and controlling system;
the positive pressure air supply system comprises an air chamber and an air duct, the air chamber is arranged on one side of the livestock and poultry house body, an air conditioner air inlet and a winter air inlet are arranged on the outer side of the air chamber, the air conditioner air inlet is connected with an air conditioner unit through a fan coil unit, a plurality of positive pressure fans are arranged between the inner side of the air chamber and the air duct, the air duct is arranged in the suspended ceiling, and the air duct is communicated with the breeding area through a suspended ceiling small window;
the regulating system comprises a first controller, a second controller, a pressure sensor and a temperature sensor, wherein the first controller is connected with the pressure sensor and the temperature sensor to control the air conditioning unit, the positive pressure fan and the suspended ceiling small window; the second controller is connected with the pressure sensor and controls the air inlet and the air outlet in winter; the pressure sensors comprise a first pressure sensor arranged in the air duct, a second pressure sensor arranged in the feeding area and a third pressure sensor arranged outside the body of the livestock and poultry house; the temperature sensor is arranged in the feeding area.
Furthermore, the air chamber is arranged in the central part of the livestock and poultry house body.
Furthermore, an air filter wall is arranged in the air chamber.
Furthermore, the air inlet and the air outlet in winter are both provided with insect-proof nets and adjustable baffles.
Further, the adjustable baffle may be a control curtain board or a shutter, but is not limited to the curtain board or the shutter, and may also be other opening devices capable of being automatically controlled.
Further, the air conditioning unit and the positive pressure fan adjust the number of the air conditioning main units and the fans according to the temperature in the livestock and poultry house.
Furthermore, the air duct comprises a main air duct and branch air ducts, and the branch air ducts are arranged on two sides of the main air duct in parallel.
Furthermore, the suspended ceiling small windows are arranged at equal intervals on the main air duct and the branch air duct, the distance is not more than 3m, and the suspended ceiling small windows are electric small windows.
Furthermore, the suspended ceiling is made of heat-insulating and airtight materials.
Further, the outside of the breeding area of the livestock and poultry house is also provided with a buffer room, and the buffer room is communicated with the breeding area and is provided with a fan and an air filter screen.
The utility model has the advantages that:
(1) the positive pressure ventilation all the year round, the air conditioner is used for cooling and the positive pressure fan is used for supplying air in summer and hot seasons, and the positive pressure fan is used for supplying air in winter and autumn, so that the pressure in the house is guaranteed to be larger than the outdoor air pressure all the time, unfiltered air in the house is prevented from entering the house, and meanwhile, harmful wind in winter is prevented from entering the house, and the safety of animals in the house is guaranteed.
(2) The design of the suspended ceiling air duct is convenient for heat preservation, air conditioning refrigeration air reduction and external heat exchange, and energy is saved.
(3) Suspended ceiling small window and beasts and birds house for air outlet pressure sensor control opening size confirm that indoor constantly is in the positive pressure ventilation state through calculating the pressure difference, and when not relying on traditional temperature sensor control alone to avoid the temperature to reduce in the house, the amount of wind reduces and causes the interior negative pressure environment of house.
Drawings
FIG. 1 is a view of the structure of the present invention;
FIG. 2 is a cross-sectional view taken at 1-1 of FIG. 1;
fig. 3 is a cross-sectional view taken at 2-2 of fig. 1.
Reference numerals
The device comprises a suspended ceiling (1), a breeding area (2), an air outlet (3), an air chamber (4), an air duct (5), a main air duct (51), a branch air duct (52), a winter air inlet (6), a fan coil unit (7), an air conditioning unit (8), a positive pressure fan (9), a suspended ceiling small window (10), an air filter wall (11), an insect-proof net (12), an adjustable baffle (13) and a buffer room (14).
Detailed Description
The following detailed description of the present invention will be made with reference to the accompanying drawings, which are provided for illustration purposes only to help understanding the present invention and are not to be construed as limiting the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout.
The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1
The utility model discloses an air-conditioning positive pressure type livestock and poultry house as shown in figures 1-3, which comprises a livestock and poultry house body, wherein the livestock and poultry house body comprises a ceiling 1 and a breeding area 2, air outlets 3 are arranged at two sides of the breeding area 2, and the livestock and poultry house further comprises a positive pressure air supply system and a regulating and controlling system;
the positive pressure air supply system comprises an air chamber 4 and an air duct 5, wherein the air chamber 4 is arranged at the central position of the rear side of the livestock and poultry house body, an air filter wall 11 is arranged in the air chamber 4, an air conditioner air inlet and a winter air inlet 6 are arranged on the outer side of the air chamber 4, the air conditioner air inlet is connected with an air conditioner unit 8 through a fan coil unit 7, a plurality of positive pressure fans 9 are arranged between the inner side of the air chamber 4 and the air duct 5, the air duct 5 is arranged in the suspended ceiling 1, the air duct 5 comprises a main air duct 51 and branch air ducts 52, the branch air ducts 52 are arranged on two sides of the main air duct 51 in parallel, the air duct 5 is communicated with the breeding area 2 through suspended ceiling small windows 10, the suspended ceiling small windows 10 are arranged on the main air duct 51 and the branch air ducts 52 at equal intervals, the intervals are not more than 3m, and the suspended ceiling small windows 10 are electric small windows;
the regulating and controlling system comprises a first controller, a second controller, a pressure sensor and a temperature sensor, wherein the first controller is connected with the pressure sensor and the temperature sensor to control the air conditioning unit 8, the positive pressure fan 9 and the suspended ceiling small window 10; the second controller is connected with the pressure sensor and controls the air inlet 6 and the air outlet 3 in winter; the pressure sensors comprise a first pressure sensor arranged in the air duct 5, a second pressure sensor arranged in the breeding area 2 and a third pressure sensor arranged outside the body of the livestock and poultry house; the temperature sensor is arranged in the feeding area 2.
The air inlet 6 and the air outlet 3 in winter are both provided with an insect-proof net 12 and an adjustable baffle 13, and the adjustable baffle 13 is a control sliding curtain plate or a shutter.
The number of the air conditioning main machines of the air conditioning unit 8 and the positive pressure fan 9 is adjusted according to the scale of the livestock and poultry house.
The suspended ceiling 1 is made of heat-insulating airtight materials.
The outside of the livestock and poultry house raising area 2 is also provided with a buffer room 14, and the buffer room 14 is communicated with the raising area 2 and is provided with a fan and an air filter screen.
Example 2
The utility model discloses an air-conditioning positive pressure type livestock and poultry house as shown in figures 1-3, which comprises a livestock and poultry house body, wherein the livestock and poultry house body comprises a ceiling 1 and a breeding area 2, air outlets 3 are arranged at two sides of the breeding area 2, and the livestock and poultry house further comprises a positive pressure air supply system and a regulating and controlling system;
the positive pressure air supply system comprises an air chamber 4 and an air duct 5, the air chamber 4 is arranged at the central part of the rear side of the livestock and poultry house body, an air filter wall 11 is arranged in the air chamber 4, an air conditioner air inlet and a winter air inlet 6 are arranged outside the air chamber 4, the air inlet of the air conditioner is connected with an air conditioning unit 8 through a fan coil unit 7, a plurality of positive pressure fans 9 are arranged between the inner side of the air chamber 4 and the air duct 5, the air duct 5 is arranged in the suspended ceiling 1, the air duct 5 comprises a main air duct 51 and a branch air duct 52, the branch air ducts 52 are arranged in parallel at two sides of the main air duct 51, the branch air ducts are at least one row, the air duct 5 is communicated with the rearing area 2 through small suspended ceiling windows 10, the small suspended ceiling windows 10 are arranged on the main air duct 51 and the branch air ducts 52 at equal intervals, the distance is not more than 3m, and the small suspended ceiling windows 10 are electric small windows;
the regulating and controlling system comprises a first controller, a second controller, a pressure sensor and a temperature sensor, wherein the first controller is connected with the pressure sensor and the temperature sensor to control the air conditioning unit 8, the positive pressure fan 9 and the suspended ceiling small window 10; the second controller is connected with the pressure sensor and controls the air inlet 6 and the air outlet 3 in winter; the pressure sensors comprise a first pressure sensor arranged in the air duct 5, a second pressure sensor arranged in the breeding area 2 and a third pressure sensor arranged outside the body of the livestock and poultry house; the temperature sensor is arranged in the feeding area 2.
Air intake 6 in winter, air exit 3 all are equipped with fly net 12 and adjustable baffle 13, adjustable baffle 13 electric control device.
The suspended ceiling 1 is made of heat-insulating airtight materials.
The outside of the livestock and poultry house raising area 2 is also provided with a buffer room 14, and the buffer room 14 is communicated with the raising area 2 and is provided with a fan and an air filter screen.
Control process
Assuming that the target temperature of the pig is 24 ℃, the ceiling air duct pressure-raising area pressure is not less than 20pa, and the raising area pressure-house external pressure is not less than 20pa (the target value is for example, can be adjusted according to different animal characteristics)
In winter:
the second controller controls the sliding curtain plate to enable the air inlet to be opened to the maximum, air inlet in winter is increased in ventilation, the first controller controls the air conditioner to be closed, and the air conditioner coil unit does not work.
The positive pressure fan determines the air output according to the minimum breath of animals, and the air outside the house enters the air filtering room through the air inlet in winter and is sent to the ceiling air duct space by the positive pressure fan. Detecting a pressure difference through a pressure sensor in the air duct and the rearing area, and adjusting the size of an air inlet of a small suspended ceiling window by a first controller according to a target pressure difference of 20Pa to enable the pressure of the air duct of the suspended ceiling and the pressure of the rearing area to reach a set pressure value; the pressure sensor outside the breeding house and in the breeding area detects the increase of the pressure difference, and the second controller controls the size of the air outlet outside the breeding house according to the target pressure difference of 20Pa, so that the pressure of the breeding area and the pressure outside the breeding house reach the set pressure value.
In spring and autumn:
when the temperature rises, the first controller controls the positive pressure fans to be sequentially started, the ventilation volume is increased, the pressure difference increase is detected through the air duct and the pressure sensors in the breeding area, and according to the target pressure difference of 20Pa, the air inlet of the small window of the suspended ceiling is gradually opened to increase the air inlet volume in the shed and unload the pressure in the suspended ceiling at the same time, so that the pressure of the air duct of the suspended ceiling and the pressure in the breeding area reach a set pressure value; the pressure sensors outside the breeding house and in the breeding area detect the increase of the pressure difference, and according to the target pressure difference of 20Pa, the two controllers control the air outlet outside the breeding house to enlarge the air outlet, increase the area of the air outlet, and unload the pressure in the breeding house to enable the pressure in the breeding area and the pressure outside the breeding house to reach the set pressure value.
In summer:
the first controller controls the positive pressure fan to start the air conditioning unit when the air volume reaches the maximum and is not reduced to the target temperature, the fan coil unit supplies air, and the second controller controls the air inlet to be reduced to the reserved 10% opening degree in winter, so that the requirement of sufficient air volume for maintaining pressure is guaranteed. Detecting the increase of pressure difference through a pressure sensor in the air duct and the breeding area, gradually opening an air inlet of a small window of the suspended ceiling to increase the air inlet amount in the shed and unload the pressure in the suspended ceiling according to the target pressure difference of 20Pa, so that the pressure of the air duct of the suspended ceiling-the pressure in the breeding area reaches a set pressure value; the pressure sensors outside the breeding house and in the breeding area detect the increase of the pressure difference, and according to the target pressure difference of 20Pa, the two controllers control the air outlet outside the breeding house to enlarge the air outlet, increase the area of the air outlet, and unload the pressure in the breeding house to enable the pressure in the breeding area and the pressure outside the breeding house to reach the set pressure value.
When the temperature is reduced, the first controller controls the positive pressure fan to be sequentially closed, the ventilation volume is reduced, the pressure difference reduction is detected through the air duct and the pressure sensor in the breeding area, according to the target pressure difference of 20Pa, the air inlet of the small window of the suspended ceiling is gradually closed, the air inlet volume in the shed is reduced, meanwhile, the pressure in the suspended ceiling is increased, and the pressure of the air duct of the suspended ceiling-the pressure in the breeding area reaches the set pressure value; the pressure sensors outside the breeding house and in the breeding area detect the reduction of the pressure difference, and according to the target pressure difference of 20Pa, the two controllers control the sliding curtain plates to control the air outlet of the breeding house to reduce the air outlet area, and increase the pressure in the breeding house to enable the pressure in the breeding area-the pressure outside the breeding house to reach the set pressure value. And continuously monitoring whether the temperature is continuously reduced or not, and adjusting the air supply quantity of the positive pressure fan to gradually reduce until the air quantity of the fan is reduced to the minimum (30%).
The embodiments of the present invention, it is understood that the above embodiments are exemplary and not intended to be construed as limiting, and those skilled in the art can change, modify, replace and modify the above embodiments without departing from the spirit and scope of the present invention, and the simple combination of the above embodiments is listed as the protection of the present invention.

Claims (10)

1. An air-conditioning positive pressure type livestock and poultry house comprises a livestock and poultry house body, wherein the livestock and poultry house body comprises a ceiling (1) and a feeding area (2), and air outlets (3) are arranged on two sides of the feeding area (2), and the air-conditioning positive pressure type livestock and poultry house is characterized by further comprising a positive pressure air supply system and a regulating and controlling system;
the positive pressure air supply system comprises an air chamber (4) and an air duct (5), wherein the air chamber (4) is arranged on one side of the livestock and poultry house body, an air conditioner air inlet and a winter air inlet (6) are formed in the outer side of the air chamber (4), the air conditioner air inlet is connected with an air conditioner unit (8) through a fan coil unit (7), a plurality of positive pressure fans (9) are arranged between the inner side of the air chamber (4) and the air duct (5), the air duct (5) is arranged in the suspended ceiling (1), and the air duct (5) is communicated with the breeding area (2) through a suspended ceiling small window (10);
the regulation and control system comprises a first controller, a second controller, a pressure sensor and a temperature sensor, wherein the first controller is connected with the pressure sensor and the temperature sensor to control the air conditioning unit (8), the positive pressure fan (9) and the suspended ceiling small window (10); the second controller is connected with the pressure sensor and controls the air inlet (6) and the air outlet (3) in winter; the pressure sensors comprise a first pressure sensor arranged in the air duct (5), a second pressure sensor arranged in the breeding area (2) and a third pressure sensor arranged outside the body of the livestock and poultry house; the temperature sensor is arranged in the feeding area (2).
2. An air-conditioning positive pressure type livestock and poultry house according to claim 1, characterized in that: the air chamber (4) is arranged in the central part of the livestock and poultry house body.
3. An air-conditioning positive pressure type livestock and poultry house according to claim 1, characterized in that: an air filter wall (11) is arranged in the air chamber (4).
4. An air-conditioning positive pressure type livestock and poultry house according to claim 1, characterized in that: the air inlet (6) and the air outlet (3) in winter are both provided with an insect-proof net (12) and an adjustable baffle plate (13).
5. An air-conditioning positive pressure type livestock and poultry house according to claim 4, characterized in that: the adjustable baffle (13) is a controller automatic control opening device.
6. An air-conditioning positive pressure type livestock and poultry house according to claim 1, characterized in that: the air conditioning unit (8) and the positive pressure fan (9) automatically adjust the number of the air conditioning main machines and the positive pressure fans according to the temperature of the livestock and poultry house.
7. An air-conditioning positive pressure type livestock and poultry house according to claim 1, characterized in that: the air duct (5) comprises a main air duct (51) and branch air ducts (52), and the branch air ducts (52) are arranged on two sides of the main air duct (51) in parallel.
8. An air-conditioning positive pressure type livestock and poultry house according to claim 7, characterized in that: the suspended ceiling small windows (10) are arranged on the main air duct (51) and the branch air ducts (52) at equal intervals, the distance is not more than 3m, and the suspended ceiling small windows (10) are electric small windows.
9. An air-conditioning positive pressure type livestock and poultry house according to claim 1, characterized in that: the suspended ceiling (1) is made of heat-insulating airtight materials.
10. An air-conditioning positive pressure type livestock and poultry house according to claim 1, characterized in that: the livestock and poultry house breeding area (2) is further provided with a buffer room (14) outside, and the buffer room (14) is communicated with the breeding area (2) and is provided with a fan and an air filter screen.
CN202120653817.4U 2021-03-31 2021-03-31 Air-conditioning positive pressure type livestock and poultry house Active CN214758468U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120653817.4U CN214758468U (en) 2021-03-31 2021-03-31 Air-conditioning positive pressure type livestock and poultry house

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120653817.4U CN214758468U (en) 2021-03-31 2021-03-31 Air-conditioning positive pressure type livestock and poultry house

Publications (1)

Publication Number Publication Date
CN214758468U true CN214758468U (en) 2021-11-19

Family

ID=78668161

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120653817.4U Active CN214758468U (en) 2021-03-31 2021-03-31 Air-conditioning positive pressure type livestock and poultry house

Country Status (1)

Country Link
CN (1) CN214758468U (en)

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