CN215012420U - Air-conditioning refrigeration ventilation system of building pig farm - Google Patents
Air-conditioning refrigeration ventilation system of building pig farm Download PDFInfo
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- CN215012420U CN215012420U CN202120849567.1U CN202120849567U CN215012420U CN 215012420 U CN215012420 U CN 215012420U CN 202120849567 U CN202120849567 U CN 202120849567U CN 215012420 U CN215012420 U CN 215012420U
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Abstract
The utility model discloses an air conditioner refrigeration ventilation system of building pig farm, including building main part and refrigeration plant, exhaust equipment and control system, the building main part includes the negative pressure chamber, ventilating shaft and floor, the negative pressure chamber is located the roof of building main part, and with ventilating shaft looks UNICOM, ventilating shaft and every floor looks UNICOM, refrigeration plant includes air conditioning plant, the floor is equipped with first lateral wall and pig house, air conditioning plant fixed mounting is on first lateral wall, the pig house is equipped with breeding area and secret wind channel, secret wind channel is located breeding area below, and with breeding area looks UNICOM, the secret wind channel is equipped with the wind channel entry, the wind channel entry is adjacent with air conditioning plant, the ventilating shaft is located one side that the wind channel entry was kept away from to the pig house, ventilating shaft and pig house looks UNICOM, exhaust equipment includes the fan, fan fixed mounting is in the negative pressure chamber. The utility model discloses to the even effective cooling of pig house, control humidity avoids bacterium and virus propagation in the pig house, reaches cooling, dehumidification, replacement ventilation effect to the pig house to ensure that the swinery grows under comfortable condition.
Description
Technical Field
The utility model relates to an animal breeding industry technical field especially relates to an air conditioner refrigeration ventilation system in building pig farm.
Background
At present, the land resources are in short supply in China, the breeding industry enters a high-speed development period, the contradiction between the demand of the breeding industry for the land resources and the supply of the land resources is increasingly prominent, and each large pig-raising enterprise begins to build a building in order to fully utilize the land resources, and carries out a multi-layer pig-raising breeding mode.
In recent two years, African swine fever is popular and transverse, and the original conventional breeding mode is no longer suitable. In the aspect of biological safety, pig raising in buildings has the following advantages: the pig anti-infection device has few contact surfaces with the outside, is totally enclosed, can better isolate the transmission of external pathogens, and can better isolate the disease transmission between pigs by arranging small units inside. However, in the prior pig farm ventilation in summer, a cooling wet curtain is adopted to cool air, the cooling wet curtain is matched with a negative pressure fan for use, roof concentrated exhaust air is collected through an exhaust system, outdoor air flows through the wet curtain under the condition of indoor negative pressure, and the physical principle that water absorbs heat in the air in the water evaporation process to reduce the temperature of the air is utilized to be continuously introduced into a room for cooling.
However, the prior art has the following disadvantages: 1. the temperature and humidity of outdoor air have great influence on the maximum cooling capacity of air passing through the wet curtain, the high-temperature high-humidity cooling capacity in the south is small, and the expected cooling effect cannot be achieved in the southern area; 2. after being cooled by the wet curtain, the air humidity reaches 90-95%, the indoor humidity of the pigsty is increased, the indoor bacterial reproduction and virus propagation are facilitated, and the health of pigs is not facilitated; 3. the south water curtain has small cooling capacity and large indoor heat load, and cannot achieve effective cooling or uneven cooling. At present, a refrigerating and ventilating system which is suitable for a building pig farm and can overcome the defects is lacked in the industry.
Therefore, the building pig farm has great market demand, and the air-conditioning refrigeration ventilation system of the building pig farm is urgently needed to be developed for meeting the demand of the existing pig raising process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air conditioner refrigeration ventilation system in building pig farm.
According to the utility model discloses an aspect provides an air-conditioning refrigeration ventilation system of building pig farm, including building main part and refrigeration plant, exhaust equipment and control system, the building main part includes negative pressure chamber, ventilating shaft and floor, negative pressure chamber is located the roof of building main part, and with ventilating shaft looks UNICOM, ventilating shaft and every floor looks UNICOM, refrigeration plant includes air conditioning plant, the floor is equipped with first lateral wall and pig house, air conditioning plant fixed mounting is on first lateral wall, the pig house is equipped with breed district and secret wind channel, the secret wind channel is located breed district below, and with breed district looks UNICOM, the secret wind channel is equipped with the wind channel entry, the wind channel entry is adjacent with air conditioning plant, the ventilating shaft is located one side that the wind channel entry was kept away from to the pig house, ventilating shaft and pig house looks UNICOM, exhaust equipment includes the fan, fan fixed mounting is in the negative pressure chamber.
The utility model has the advantages that: the utility model utilizes the negative pressure to transport the waste gas in the pig house breeding area of each floor upwards to the negative pressure chamber through the air shaft by arranging the negative pressure chamber, the air shaft and the underground air duct; and cold air is fed into the underground air duct through the air duct inlet by utilizing air conditioning equipment, is distributed below the breeding area in the pig house along the underground air duct, and then enters the breeding area from the underground air duct, so that the bred pigs can only breathe dry fresh air with proper temperature, the purposes of cooling and dehumidifying the interior of the pig house are realized, and the pigs only grow under the comfortable condition, thereby realizing the regulation of the temperature, the humidity and the humidity in the multilayer pig house of the pig house, ensuring that the pig groups can breathe the fresh air, achieving the effects of cooling, dehumidifying and replacing ventilation of the breeding area, and simultaneously realizing the purposes of reducing energy consumption and being most economical in equipment investment.
In some embodiments, the refrigeration equipment further includes an air-conditioning refrigeration machine room, the air-conditioning equipment includes a centrifugal chiller, a cooling tower and an air-conditioning indoor unit, the cooling tower is fixedly installed on the centrifugal chiller, both the centrifugal chiller and the cooling tower are fixedly installed in the air-conditioning refrigeration machine room, the centrifugal chiller is connected with the air-conditioning indoor unit through a pipeline, and the air-conditioning indoor unit is fixedly installed on the first side wall. The centrifugal water chilling unit and the cooling tower are equivalent to an air conditioner external unit, fresh air outside a building main body is sucked into the air conditioner internal unit, then the fresh air is refrigerated and cooled, the fresh air is transported to the centrifugal water chilling unit and the cooling tower through pipelines, and heat after cooling is discharged to the atmosphere through the cooling tower. The air-conditioning refrigeration machine room has the functions of fixing and protecting the centrifugal water chilling unit, and the equipment is prevented from being damaged due to external environmental factors. The air conditioner internal unit is installed on first lateral wall, and the air conditioner internal unit is to the new trend after the pig house discharge cooling dehumidification is handled, and the new trend gets into underground air duct by the wind channel entry.
In some embodiments, the exhaust device further comprises an exhaust valve, the exhaust valve is fixedly mounted on a wall of the pigsty adjacent to the air shaft, and the pigsty is communicated with the air shaft through the exhaust valve. The exhaust valve is used for controlling the exhaust volume of the waste gas discharged into the air well in the pigsty.
In some embodiments, the control system includes a general controller, a refrigeration equipment controller, a fan controller, a vent valve controller, an indoor temperature sensor, an indoor humidity sensor, an outdoor temperature sensor, an inlet air humidity sensor, an outlet air temperature sensor, an outlet air humidity sensor, a first air velocity sensor, and a second air velocity sensor. The master controller monitors indoor and outdoor temperature and humidity and the temperature and humidity of air inlet and air outlet of the air conditioning equipment through the refrigeration equipment controller, the fan controller and the exhaust valve controller, and adjusts the refrigeration temperature, the air displacement and the running condition of the fan of the air conditioning equipment according to data fed back by the corresponding sensors, so that the temperature and the humidity in the pig house reach the comfortable standard.
In some embodiments, one end of the master controller is respectively connected with the refrigeration equipment controller, the fan controller and the exhaust valve controller in parallel, the other end of the master controller is respectively electrically connected with the indoor temperature sensor, the indoor humidity sensor, the outdoor temperature sensor and the outdoor temperature sensor, the indoor temperature sensor and the indoor humidity sensor are fixedly installed in the breeding area, and the outdoor temperature sensor are fixedly installed outside the building main body. The master controller monitors the indoor temperature and the outdoor temperature and humidity through an indoor temperature sensor, an indoor humidity sensor, an outdoor temperature sensor and an outdoor temperature sensor.
In some embodiments, the refrigeration equipment controller is electrically connected with the air conditioning equipment, the air inlet temperature sensor, the air inlet humidity sensor, the air outlet temperature sensor and the air outlet humidity sensor, the air inlet temperature sensor and the air inlet humidity sensor are both fixedly installed at an air inlet of the air conditioner internal unit, and the air outlet temperature sensor and the air outlet humidity sensor are fixedly installed at an air outlet of the air conditioner internal unit. And the refrigeration equipment controller starts or closes the air conditioning equipment or adjusts the refrigeration temperature of the air conditioning equipment according to the instruction of the master controller. The air inlet temperature sensor, the air inlet humidity sensor, the air outlet temperature sensor and the air outlet humidity sensor are used for detecting air inlet and air outlet conditions of the air conditioning equipment.
In some embodiments, the fan controller is electrically connected to the fan and a first wind speed sensor, the first wind speed sensor being fixedly mounted on the fan. The fan controller is used for carrying out frequency conversion control on the fan and starting or stopping operation of part of the fan. The first wind speed sensor is used for monitoring the air exhaust speed of the fan.
In some embodiments, the exhaust valve controller is electrically connected to the exhaust valve and a second wind speed sensor, the second wind speed sensor being fixedly mounted on the exhaust valve. The exhaust valve controller is used for controlling the opening size of the exhaust valve so as to control the exhaust air volume in the pigsty. The second wind speed sensor is used for monitoring the wind speed at the exhaust valve.
In some embodiments, the pigsty is further provided with a ventilation board, the ventilation board is positioned above the underground air duct, the ventilation board is provided with a ventilation hole, and the underground air duct is communicated with the breeding area through the ventilation hole. Fresh air in the underground air duct enters the breeding area of the pigsty from the underground air duct through the vent holes, and is used for replacing waste gas in the height range of the pigs in the breeding area, so that a better air environment is provided for the pigs.
In some embodiments, the cultivation area is provided with a positioning pigsty, the positioning pigsty is provided with a pig head end, and the positions of the ventilation holes correspond to the positions of the pig head end. The position of the vent hole corresponds to the position of the pig head, so that the pig can conveniently breathe fresh air, the environment around the pig can be cooled, and a better breeding environment is provided for the pig.
Drawings
Fig. 1 is a schematic structural view of an air-conditioning refrigeration ventilation system of a building pig farm according to an embodiment of the present invention.
Fig. 2 is a block diagram of an air-conditioning refrigeration ventilation system of a building pig farm according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of the positioning fence, the underground air duct and the ventilation hole in the air-conditioning refrigeration and ventilation system of the building pig farm according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples.
Referring to fig. 1 to 3, the utility model provides an air-conditioning refrigeration ventilation system of building pig farm, which comprises a building main body 1, a refrigeration device 2, an exhaust device 3 and a control system 4.
The building main body 1 comprises a negative pressure chamber 11, an air shaft 12 and floors 13, wherein the negative pressure chamber 11 is positioned on the roof of the building main body 1 and is communicated with the air shaft 12, and the air shaft 12 is communicated with each floor 13. The floor 13 is provided with a first side wall 131 and a pigsty 132, the pigsty 132 is provided with a culture area 1321 and an underground air duct 1322, and the underground air duct 1322 is positioned below the culture area 1321 and communicated with the culture area 1321. The underground air duct 1322 is provided with an air duct inlet 1323, and the air duct inlet 1323 is adjacent to an air outlet of the air conditioner indoor unit 213. The air shaft 12 is located on the side of the pig house 132 away from the air duct inlet 1323, and the air shaft 12 is communicated with the pig house 132.
The refrigeration equipment 2 comprises air-conditioning equipment 21 and an air-conditioning refrigeration machine room 22, the air-conditioning equipment 21 comprises a centrifugal water chilling unit 211, a cooling tower 212 and an air-conditioning indoor unit 213, the cooling tower 212 is fixedly installed on the centrifugal water chilling unit 211, the centrifugal water chilling unit 211 and the cooling tower 212 are both fixedly installed in the air-conditioning refrigeration machine room 22, the centrifugal water chilling unit 211 is connected with the air-conditioning indoor unit 213 through a pipeline, and the air-conditioning indoor unit 213 is fixedly installed on the first side wall 131.
The exhaust device 3 includes a fan 31 and an exhaust valve 32, and the fan 31 is fixedly installed in the negative pressure chamber 11. The exhaust valve 32 is embedded on the wall of the pigsty 132 adjacent to the air shaft 12, and the pigsty 132 is communicated with the air shaft 12 through the exhaust valve 32.
The control system 4 includes a general controller 41, a refrigeration equipment controller 42, a fan controller 43, an exhaust valve controller 44, an indoor temperature sensor 45, an indoor humidity sensor 46, an outdoor temperature sensor 47, an outdoor temperature sensor 48, an intake air temperature sensor 49, an intake air humidity sensor 50, an outlet air temperature sensor 51, an outlet air humidity sensor 52, a first air speed sensor 53, and a second air speed sensor 54.
One end of the master controller 41 is respectively connected with the refrigeration equipment controller 42, the fan controller 43 and the exhaust valve controller 44 in parallel, and the other end of the master controller 41 is respectively electrically connected with the indoor temperature sensor 45, the indoor humidity sensor 46, the outdoor temperature sensor 47 and the outdoor temperature sensor 48. Indoor temperature sensor 45, indoor humidity transducer 46 all fixed mounting in breeding district 1321, and outdoor temperature sensor 47 and outdoor temperature sensor 48 all fixed mounting are outside building main part 1.
The refrigeration equipment controller 42 is electrically connected with the air conditioning equipment 21, the inlet air temperature sensor 49, the inlet air humidity sensor 50, the outlet air temperature sensor 51 and the outlet air humidity sensor 52, the inlet air temperature sensor 49 and the inlet air humidity sensor 50 are fixedly installed at an air inlet of the air conditioning indoor unit 213, and the outlet air temperature sensor 51 and the outlet air humidity sensor 52 are fixedly installed at an air outlet of the air conditioning indoor unit 213.
The fan controller 43 is electrically connected to the fan 31 and the first air velocity sensor 53, and the first air velocity sensor 53 is fixedly mounted on the fan 31. The exhaust valve controller 44 is electrically connected to the exhaust valve 32 and a second wind speed sensor 54, and the second wind speed sensor 54 is fixedly mounted on the exhaust valve 32.
The pigsty 132 is further provided with a ventilation board 1324, the ventilation board 1324 is positioned above the underground air duct 1322, the ventilation board 1324 is provided with a ventilation hole 1325, and the underground air duct 1322 is communicated with the culture area 1321 through the ventilation hole 1325. The breeding area 1321 is provided with a positioning pigsty 1326, the positioning pigsty 1326 is provided with a pig head end 1327, and the position of the vent 1325 corresponds to the position of the pig head end 1327.
The utility model discloses in the use, outdoor temperature, humidity are higher than and set for temperature, humidity or indoor temperature, humidity are higher than and set for the temperature summer. During humidity, the master controller 41 receives monitoring data fed back by the indoor temperature sensor 45, the indoor humidity sensor 46, the outdoor temperature sensor 47 and the outdoor temperature sensor 48, and sends instructions to the refrigeration equipment controller 42 and the fan 31, the refrigeration equipment controller 42 starts a refrigeration ventilation mode of the air-conditioning equipment 21, the fan controller 43 starts the fan 31 to ventilate, and the exhaust valve controller 44 adjusts the exhaust volume of the exhaust valve 32 as required to adjust the exhaust volume of the pigsty to the air shaft 12. After the air conditioning equipment 21 and the fan 31 are started, negative pressure environments are formed in the air shaft 12 and the underground air duct 1322. Fresh air is discharged from an air outlet of the air conditioner indoor unit 213, the temperature of the fresh air is 18-20 ℃, the fresh air is low in temperature and sinks and enters the underground air duct 1322 from the air duct inlet 1323, the fresh air is dispersed below the culture area 1321 along the underground air duct 1322 and flows into the culture area 1321 through the vent 1325, and the air speed is 0.15-0.25 m/s. The vent holes 1325 correspond to the pig head end 1327 of the positioning pig fence 1326, so that fresh air is positioned around the pigs, the pigs can conveniently breathe the fresh air, and meanwhile, the environment around the pigs is cooled and dehumidified. The waste gas temperature in the pig house 132 is higher, and under the combined action of the ascending air current of new trend and indoor heat source, the waste gas in the pig house 132 is lifted to the top, and is discharged to the air shaft 12 through the discharge valve 32, and the temperature and humidity in the pig activity region are guaranteed to meet the comfort level requirement.
After the air conditioning equipment 21 is started, the air inlet temperature sensor 49, the air inlet humidity sensor 50, the air outlet temperature sensor 51 and the air outlet humidity sensor 52 monitor the air inlet and outlet temperature and humidity of the air conditioning equipment 21 and feed data back to the refrigeration equipment controller 42, and the refrigeration equipment controller 42 adjusts the ratio of the chilled water of the cooling tower 212 and the centrifugal chiller 211 according to the data and the set temperature and humidity so as to control the air outlet temperature. When the second air speed sensor 53 monitors that the air displacement in the pigsty 132 is reduced to the lowest ventilation volume, the exhaust valve controller 44 feeds back information to the master controller 41, and the master controller 41 performs frequency conversion control on the fan 31 through the fan controller 43 or stops the operation of part of the fans 31. The first wind speed sensor 53 monitors the wind speed at the fan 31.
The utility model discloses can make the pig of breeding only breathe the fresh air of suitable humiture, the realization is to cooling in the pig house 132, the purpose of dehumidification, to the temperature in the pig house 132 of a plurality of floors 13 of building pig farm, humidity control, the realization is to evenly effectively cooling down in the pig house 132, humidity in the control pig house 132, effectively avoid bacterial reproduction and viral propagation in the pig house 132, reach and to breeding district 1321 cooling down, the dehumidification, the replacement ventilation effect, in order to ensure that the swinery can grow under comfortable condition, and realize reducing the energy consumption simultaneously, the most economic purpose of equipment investment.
The above description is only some embodiments of the present invention, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the inventive concept, and these modifications and improvements all belong to the protection scope of the present invention.
Claims (10)
1. The air-conditioning refrigeration and ventilation system of the building pig farm is characterized by comprising a building main body, refrigeration equipment, exhaust equipment and a control system, wherein the building main body comprises a negative pressure chamber, an air shaft and floors, the negative pressure chamber is positioned on the roof of the building main body and communicated with the air shaft, the air shaft is communicated with each floor, the refrigeration equipment comprises air-conditioning equipment, the floors are provided with a first side wall and a pig house, the air-conditioning equipment is fixedly arranged on the first side wall, the pig house is provided with a breeding area and an underground air duct, the underground air duct is positioned below the breeding area and communicated with the breeding area, the underground air duct is provided with an air duct inlet, the air duct inlet is adjacent to the air-conditioning equipment, the air shaft is positioned on one side of the pig house far away from the air duct inlet, the air shaft is communicated with the pig house, the air exhaust equipment comprises a fan, and the fan is fixedly arranged in the negative pressure chamber.
2. The air-conditioning refrigeration and ventilation system for the building pig farm according to claim 1, wherein the refrigeration equipment further comprises an air-conditioning refrigeration machine room, the air-conditioning equipment comprises a centrifugal water chiller, a cooling tower and an air-conditioning indoor unit, the cooling tower is fixedly installed on the centrifugal water chiller, the centrifugal water chiller and the cooling tower are both fixedly installed in the air-conditioning refrigeration machine room, the centrifugal water chiller is connected with the air-conditioning indoor unit through a pipeline, and the air-conditioning indoor unit is fixedly installed on the first side wall.
3. The air-conditioning refrigeration ventilation system for the building pig farm as claimed in claim 2, wherein the exhaust equipment further comprises an exhaust valve, the exhaust valve is fixedly mounted on a wall of the pig house adjacent to the air shaft, and the pig house is communicated with the air shaft through the exhaust valve.
4. The air-conditioning refrigeration and ventilation system for the building pig farm according to claim 3, wherein the control system comprises a master controller, a refrigeration equipment controller, a fan controller, an exhaust valve controller, an indoor temperature sensor, an indoor humidity sensor, an outdoor temperature sensor, an air inlet humidity sensor, an air outlet temperature sensor, an air outlet humidity sensor, a first air speed sensor and a second air speed sensor.
5. The air-conditioning refrigeration and ventilation system for the building pig farm according to claim 4, wherein one end of the master controller is respectively connected with the refrigeration equipment controller, the fan controller and the exhaust valve controller in parallel, the other end of the master controller is respectively electrically connected with the indoor temperature sensor, the indoor humidity sensor, the outdoor temperature sensor and the outdoor temperature sensor, the indoor temperature sensor and the indoor humidity sensor are fixedly installed in the breeding area, and the outdoor temperature sensor are fixedly installed outside the building house main body.
6. The air-conditioning refrigeration and ventilation system for the building pig farm according to claim 4, wherein the refrigeration equipment controller is electrically connected with the air-conditioning equipment, the air inlet temperature sensor, the air inlet humidity sensor, the air outlet temperature sensor and the air outlet humidity sensor, the air inlet temperature sensor and the air inlet humidity sensor are fixedly installed at an air inlet of the air-conditioning indoor unit, and the air outlet temperature sensor and the air outlet humidity sensor are fixedly installed at an air outlet of the air-conditioning indoor unit.
7. The air-conditioning refrigeration and ventilation system for the building pig farm according to claim 4, wherein the fan controller is electrically connected with the fan and the first air speed sensor, and the first air speed sensor is fixedly installed on the fan.
8. The air-conditioning refrigeration ventilation system for the building pig farm as claimed in claim 4, wherein the exhaust valve controller is electrically connected with the exhaust valve and the second wind speed sensor, and the second wind speed sensor is fixedly installed on the exhaust valve.
9. The air-conditioning refrigeration ventilation system for the building pig farm as claimed in claim 1, wherein the pig house is further provided with a ventilation board, the ventilation board is located above the underground air duct, the ventilation board is provided with a ventilation hole, and the underground air duct is communicated with the cultivation area through the ventilation hole.
10. The air-conditioning refrigeration and ventilation system for the building pig farm according to claim 9, wherein the cultivation area is provided with a positioning pigsty, the positioning pigsty is provided with a pig head end, and the positions of the ventilation holes correspond to the positions of the pig head end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120849567.1U CN215012420U (en) | 2021-04-23 | 2021-04-23 | Air-conditioning refrigeration ventilation system of building pig farm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120849567.1U CN215012420U (en) | 2021-04-23 | 2021-04-23 | Air-conditioning refrigeration ventilation system of building pig farm |
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| Publication Number | Publication Date |
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| CN215012420U true CN215012420U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120849567.1U Active CN215012420U (en) | 2021-04-23 | 2021-04-23 | Air-conditioning refrigeration ventilation system of building pig farm |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117461562A (en) * | 2023-12-26 | 2024-01-30 | 四川省畜牧科学研究院 | Building pig farm environmental control system |
-
2021
- 2021-04-23 CN CN202120849567.1U patent/CN215012420U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117461562A (en) * | 2023-12-26 | 2024-01-30 | 四川省畜牧科学研究院 | Building pig farm environmental control system |
| CN117461562B (en) * | 2023-12-26 | 2024-03-29 | 四川省畜牧科学研究院 | Building pig farm environmental control system |
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