CN114097622B - Pig house plague combination air environment guaranteeing system and method - Google Patents

Pig house plague combination air environment guaranteeing system and method Download PDF

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Publication number
CN114097622B
CN114097622B CN202111372398.8A CN202111372398A CN114097622B CN 114097622 B CN114097622 B CN 114097622B CN 202111372398 A CN202111372398 A CN 202111372398A CN 114097622 B CN114097622 B CN 114097622B
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air
air inlet
wall
area
pig
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CN114097622A (en
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李安桂
韩欧
王天琦
韩兵阳
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Xian University of Architecture and Technology
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Xian University of Architecture and Technology
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00—Housing animals; Equipment therefor
    • A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00—Housing animals; Equipment therefor
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00—Housing animals; Equipment therefor
    • A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
    • A01K1/0052—Arrangement of fans or blowers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00—Housing animals; Equipment therefor
    • A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
    • A01K1/0076—Arrangement of heaters or heat exchangers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00—Housing animals; Equipment therefor
    • A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
    • A01K1/0082—Water misting or cooling systems
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00—Housing animals; Equipment therefor
    • A01K1/01—Removal of dung or urine, e.g. from stables
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00—Housing animals; Equipment therefor
    • A01K1/015—Floor coverings, e.g. bedding-down sheets ; Stable floors
    • A01K1/0151—Grids; Gratings; Slatted floors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/14—Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/11—Apparatus for controlling air treatment
    • A61L2209/111—Sensor means, e.g. motion, brightness, scent, contaminant sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/13—Dispensing or storing means for active compounds
    • A61L2209/134—Distributing means, e.g. baffles, valves, manifolds, nozzles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention belongs to the technical field of pig house ventilation, and discloses a pig house plague combining air environment guaranteeing system, which comprises a control system, an air inlet pipeline, an air inlet tunnel and a wall-attached jet generator, wherein the air inlet pipeline is connected with the air inlet pipeline; the wall-attached jet generator is communicated with an air inlet tunnel through an air inlet pipeline, and an air quantity regulating valve and an air quantity sensor which are connected with a control system are arranged on the air inlet pipeline; a flow guiding component is arranged below the wall-attached jet generator; the lower part of the raised floor forms an odor exhaust area; each pig fence area is provided with a temperature sensor and a wall-attached jet generator, an air inlet channel, an air inlet pipeline, the wall-attached jet generator and an odor exhaust area form an air supply-exhaust system, fresh air is sent to a live pig breathing area from a relatively clean area and then is sent to a pollution area and is exhausted from a leakage floor, and the diffusion range and the residence time of harmful pollution gas are reduced; the front end of the air inlet pipeline is provided with a dosing pipe, the top of the pigsty is provided with a water inlet system, and the front end of the water inlet system is provided with a liquid adding pipe to realize epidemic prevention and disease treatment.

Description

Pig house plague combination air environment guaranteeing system and method
Technical Field
The invention belongs to the technical field of pig house ventilation, and particularly relates to a pig house plague combining air environment guaranteeing system and method.
Background
With the continuous improvement of the intensive, large-scale and specialized levels of pig breeding in China, people increasingly pay attention to the improvement of the living environment of pigs, especially the construction of the air environment of a pig house. Pig house air environment is an important factor influencing live pig health and production performance, and the ventilation design of the current live pig large-scale farm is random, and the pig house air flow organization is unreasonable, and the indoor environment is dirty and the malodor and peculiar smell phenomenon is common. The severe pig house air environment can affect the growth rate of live pigs, increase the risk of live pig epidemic disease occurrence, and also can damage the labor productivity of farm workers and even the health. In addition, the malodorous gas in the pig house can cause serious damage to the farm and the surrounding environment of the farm.
At present, the pig house ventilation mode mainly comprises natural ventilation and mechanical ventilation. Natural ventilation mainly depends on indoor and outdoor temperature difference and wind pressure difference, has larger energy-saving potential, is greatly influenced by outdoor climate conditions, and therefore has less application in modern pig farms. Mechanical ventilation is a convenient ventilation mode with little dependence on outdoor climate conditions. The mechanical ventilation mode commonly used in the pig house is a longitudinal ventilation mode of a wet curtain fan, the wet curtain fan and the fan are respectively arranged on gable walls at two ends, negative pressure is formed by means of fan ventilation, and outdoor air enters the pig house after being cooled by the wet curtain. However, this ventilation has a number of drawbacks: (1) The internal temperature and speed distribution of the pig house are seriously uneven, the air temperature gradually rises from a wet curtain to a fan, and a local high-temperature area exists; (2) The air flow of the air supply is mixed with harmful gases in the pig house, so that the transmission risk of respiratory diseases in the pig house is increased, and the air quality of live pigs is poor; (3) In winter, outdoor fresh air is directly fed into a room, and cold stress and illness of live pigs are easily caused by low-temperature air supply without preheating; (4) The adjustability of the internal environment of the pigsty is poor, and independent regulation and control cannot be carried out in different areas and different application scenes. Therefore, the corresponding ventilation and air environment guarantee method for the pig house at ordinary times and in the high epidemic period of the pig is provided based on the characteristics of the pig raising environment, and has important significance for improving the air environment quality and ventilation efficiency of the pig house, reducing the concentration of harmful gases in the pig house, reducing the pathogenic risk of the pig, preventing and killing germs in the pig house in the high epidemic period of the pig, reducing the pathogenic and lethal rates of the pig, and improving the production performance of the pig.
Disclosure of Invention
The invention aims to provide a pig house plague combined air environment guaranteeing system and method, and solves the problems of uneven internal temperature of a pig house and epidemic prevention of the pig house in a live pig epidemic period.
The invention is realized by the following technical scheme:
a pig house plague combining air environment guaranteeing system comprises a control system, an air inlet pipeline, an air inlet tunnel and a plurality of wall-attached jet generators;
the wall-attached jet generator is communicated with an air inlet tunnel through an air inlet pipeline, and the air inlet tunnel is arranged outside the pig house and buried underground;
an air inlet is formed in one side of the wall-attached jet flow generator, the air inlet is communicated with an air inlet pipeline, an air quantity regulating valve and an air quantity sensor are arranged on the air inlet pipeline, and the air quantity regulating valve and the air quantity sensor are connected with a control system;
an air outlet is formed in the lower side of the wall-attached jet generator, the air outlet is clung to the side wall of the pigsty, and a flow guiding component is arranged below the air outlet;
the floor of the pig house adopts an overhead floor, the upper part of the overhead floor is divided into a plurality of pig fence areas, a temperature sensor is arranged in each pig fence area, and a wall-attached jet generator is correspondingly arranged on a side wall corresponding to each pig fence area; the temperature sensor is connected with the control system;
the lower part of the raised floor forms an odor exhaust area;
the middle area of the raised floor adopts a leaky floor, and the upper space of the raised floor is communicated with the odor exhaust area;
the air inlet tunnel, the air inlet pipeline, the wall-attached jet generator and the odor exhaust area form an air supply-exhaust system.
Further, the air inlet pipeline comprises an air inlet main pipe, a bypass air inlet pipe and a plurality of air inlet branch pipes arranged on two sides of the air inlet main pipe;
the air inlet main pipe is communicated with one end of the air inlet channel, the other end of the air inlet channel is connected with the outdoor air inlet vertical pipe, the outdoor air inlet vertical pipe is connected with the variable frequency fan and is provided with an air quantity sensor, and the air quantity sensor is connected with the control system;
the air inlet is arranged on the side surface of the wall-attached jet flow generator and comprises a main air inlet and a bypass air inlet, the main air inlet is connected with an air inlet branch pipe, and the bypass air inlet is connected with a bypass air inlet pipe;
the air quantity regulating valve is arranged on the air inlet branch pipe and the bypass air inlet pipe.
Further, the front end of the air inlet main pipe is connected with a bypass dosing pipe for adding solid medicines.
Further, an exhaust passage is arranged at the lower part of the side wall, a plurality of lower exhaust outlets are arranged at the side edge of the odor exhaust area, and the lower exhaust outlets are communicated with the exhaust passage; the lower air outlet is provided with a variable frequency fan and an air quantity sensor which are connected with a control system.
Further, a roof air outlet is arranged on the roof of the pig house, an exhaust fan and an air quantity sensor are arranged at the roof air outlet, a temperature sensor is arranged in the roof area inside the pig house, and the exhaust fan, the air quantity sensor and the temperature sensor are connected with a control system.
Further, still laid water inlet system in pig house's upper portion space, water inlet system is including the main pipe that intakes, is connected with a plurality of branch pipe of intaking in the both sides of main pipe that intakes, is equipped with the atomizer at the end of every branch pipe that intakes, set up motorised valve and flow sensor on the branch pipe that intakes, motorised valve and flow sensor are connected with control system.
Further, the front end of the water inlet main pipe is provided with a bypass liquid adding pipe for adding liquid medicine.
Furthermore, the wall-attached jet generator is arranged at the upper part of the side wall of the pig house, and a flow equalizing pore plate is arranged in the wall-attached jet generator.
Further, the flow guiding component comprises a rotating shaft, a supporting frame and a double-pass shape memory alloy flow guiding flat plate, wherein the supporting frame is arranged on the side wall, the rotating shaft is hinged to the supporting frame, the rotating shaft is connected with the double-pass shape memory alloy flow guiding flat plate, and the double-pass shape memory alloy flow guiding flat plate is connected with a plurality of metal flow guiding flat plates with the same width; the metal guide plates are connected in a foldable way.
The invention also discloses a method for guaranteeing the plague of the pigsty combined with the air environment, which comprises the following steps:
the temperature sensor monitors the temperature of each swinery area in real time and sends the temperature to the control system, and the control system independently adjusts the air quantity adjusting valve of each swinery area according to the temperature of the swinery area so as to adjust the air quantity of the air inlet pipeline; meanwhile, an air quantity sensor monitors the air quantity of each air inlet pipeline in real time and sends the air quantity to a control system, and the control system adjusts the air quantity of the air inlet pipeline according to the positive pressure or negative pressure state required by the interior of the pig house;
external air enters an air inlet pipeline from an air inlet channel, enters a wall-attached jet generator through the air inlet pipeline, is sent out from an air outlet after passing through the wall-attached jet generator, flows downwards along the wall surface, and is deflected and conveyed to a pig fence area after impacting a diversion component;
after flowing through the pig body, the air enters the odor exhaust area through the leaky floor, and is exhausted out of the pig house through the odor exhaust area.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention discloses a pig house plague combining air environment guaranteeing system, which comprises a control system, an air inlet pipeline, an air inlet tunnel and a plurality of wall-attached jet generators, wherein the air inlet pipeline is connected with the control system; the wall-attached jet generator is communicated with an air inlet tunnel through an air inlet pipeline, the wall-attached jet generator is communicated with the air inlet pipeline, an air quantity regulating valve and an air quantity sensor are arranged on the air inlet pipeline, and the air quantity regulating valve and the air quantity sensor are connected with a control system; a flow guiding component is arranged below the wall-attached jet generator; the lower part of the raised floor forms an odor exhaust area; the upper part of the raised floor is divided into a plurality of pig fence areas, each pig fence area is provided with a temperature sensor and a wall-attached jet generator which are mutually independent, the control system can independently adjust the air supply quantity of each pig fence area, an air inlet channel, an air inlet pipeline, the wall-attached jet generator and an odor exhaust area form an air supply-exhaust system, fresh air is directly sent to a live pig breathing area from a relatively clean area and then sent to a pollution area and exhausted from a leakage floor, and the live pigs are in the upwind direction, so that the quality of the breathed air is improved; the pig house plague-prevention combined air environment-protection system divides the pig house into two parts, namely a control area (live pig activity area) and a non-control area (pig house upper space), and aims to ensure the environment of the control area, directly supplies air to the live pig activity area at the lower part of the pig house, and effectively saves energy because the air supply load is only a part of the traditional air supply mode; due to the directional and diversion effects of the side walls and the diversion members, the mixing and entrainment of the air flow and harmful polluted gas are greatly reduced, the spreading risk of respiratory diseases in the pigsty is reduced, and meanwhile, the air supply speed is good in maintainability and high in energy utilization rate; the harmful pollutant gas is directly discharged in the harmful pollutant gas generating area, so that the diffusion range and the residence time of the harmful pollutant gas in the pig house are reduced, and the pig house has higher pollutant removal efficiency.
Further, the air inlet pipeline comprises an air inlet main pipe, an air inlet branch pipe and a bypass air inlet pipe, and the air inlet branch pipe is provided with an air quantity adjusting valve, so that the air quantity can be adjusted according to the types, the quantity and the like of live pigs in the regulated pig farm area, the partition control is realized, and the aim of saving energy is fulfilled; the air quantity regulating valve of the bypass air inlet pipe is opened in winter, hot air near the ceiling of the pig house is sent to the wall-attached jet flow generator to be mixed with cold air sent from outside, the purpose of preheating the cold air is achieved, waste heat at the upper part of a space is effectively utilized, and energy consumption is reduced.
Furthermore, in the epidemic period of the live pigs, the powder medicine can be added into the air supply pipeline through the bypass medicine adding pipe, and is conveyed pneumatically through the air supply system and directly conveyed to the respiratory region of the live pigs, so that the aim of targeted medicine application is fulfilled.
Further, a roof air outlet is formed in the roof and is opened only in summer, a temperature gradient exists in the vertical direction of the pig house, the temperature of air at the upper part is high, hot air at the upper part of the space is timely discharged through the roof air outlet, and the average temperature in the pig house is effectively reduced.
Furthermore, a water inlet system is also arranged at the upper part of the pig house, the water inlet system comprises a water inlet main pipe and a water inlet branch pipe, pressurized water is conveyed to the atomizing nozzles above all pig pens through the water inlet main pipe and the water inlet branch pipe, uniform fine water mist is generated, the evaporative cooling is realized, the nozzle direction, the flow and the atomization degree of the atomizing nozzles can be adjusted, and the effective evaporative cooling of mist drops in the falling process is ensured without falling on pig bodies; on the other hand, harmful gases such as ammonia gas and the like are fully contacted with the fine water mist and dissolved in water, so that the concentration of the harmful gases is further reduced; the atomizing nozzle can be opened in summer, absorbs heat through spray evaporation, and reduces the air temperature of the pig house in cooperation with the air supply air flow.
Furthermore, when the epidemic disease of the pigs is in a high incidence stage or the pathogen disinfection and sterilization requirement exists, the spraying pipeline system can add liquid medicines through the medicine adding device, and the medicines are uniformly sprayed out along with water mist through the atomizing nozzle, so that the purposes of epidemic prevention and disease treatment are realized.
Furthermore, the guide member comprises a rotating shaft, a supporting frame and a double-pass shape memory alloy guide plate, wherein the height and the angle of the double-pass shape memory alloy guide plate are adjustable, so that different application scenes can be met, the height of the double-pass shape memory alloy guide plate can be correspondingly adjusted according to the height of a raw pig in a pig farm, and fresh air can be ensured to be always and accurately sent to a live pig breathing zone; for example, when hot air is sent in winter, the problem that air flow deflects upwards due to the action of heat floating lift force can be solved by adjusting the angle of the two-way shape memory alloy flow guiding flat plate to horizontally deflect downwards. Meanwhile, the guide plate can be folded to adjust the length of the guide plate, further adjust the air supply range and the like, and adapt to different air supply requirements.
Drawings
FIG. 1 is a side view of a swine plague-combined air environment assurance system;
FIG. 2 is a schematic diagram of the arrangement of ventilation duct systems of a swine plague-combined air environment assurance system;
FIG. 3 is a schematic diagram of an air intake tunnel system of a swine plague-combined air environment assurance system;
FIG. 4 is a schematic diagram of a spray system arrangement of a swine plague-combined air environment assurance system;
FIG. 5 is a three-dimensional schematic view of a wall-mounted fluidic device (at a flow angle of 90 °);
wherein 1 is a roof; 2 is a side wall; 3 is a pig fence; 4 is an overhead floor; 5 is a leaky floor; 6 is a partition wall; 7 is a manure pit; 8 is a manure scraping device; 9 is an air inlet tunnel; 10 is an outdoor air inlet vertical pipe; 11 is an air inlet main pipe; 12 is a bypass dosing tube; 13 is an air inlet branch pipe; 14 is a bypass air inlet pipe; 15 is an air quantity regulating valve; 16 is a wall-mounted jet generator; 161 is a flow equalizing orifice plate; 162 is an air outlet; 163 is the main air inlet; 164 is a bypass air inlet; 17 is a flow guiding member; 171 is a rotation axis; 172 is a supporting frame; 173 is a two-way shape memory alloy deflector plate; 174 is a metal deflector plate; 18 is a roof air outlet; 19 is an odor exhaust area; 20 is a lower exhaust outlet; 21 is an exhaust passage; 22 is a main water inlet pipe; 23 is a water inlet branch pipe; 24 is an electric valve; 25 is an atomization nozzle; and 26 is a bypass liquid adding pipe.
Detailed Description
The invention will now be described in further detail with reference to the drawings and examples, which are given by way of illustration and not limitation. In addition, technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1, the invention discloses a pig house plague combining air environment guaranteeing system, which comprises a control system, an air inlet pipeline, an air inlet tunnel 9 and a plurality of wall-attached jet generators 16; the wall-attached jet generator 16 is communicated with the air inlet tunnel 9 through an air inlet pipeline, and the air inlet tunnel 9 is arranged outside the pigsty and buried underground; an air inlet is formed in one side of the wall-attached jet generator 16, the air inlet is communicated with an air inlet pipeline, an air quantity regulating valve 15 and an air quantity sensor are arranged on the air inlet pipeline, and the air quantity sensor and the air quantity regulating valve 15 are connected with a control system;
an air outlet 162 is formed in the lower side of the wall-attached jet generator 16, the air outlet 162 is clung to the side wall, and a flow guiding component 17 is arranged below the air outlet 162;
the floor of the pig house adopts a raised floor 4, the upper part of the raised floor 4 is divided into a plurality of pig fence areas, a temperature sensor is arranged in each pig fence area, and a wall-attached jet generator 16 is correspondingly arranged on the side wall 2 corresponding to each pig fence area; the temperature sensor is connected with the control system;
an odor exhaust area 19 is formed at the lower part of the raised floor 4; the middle area of the raised floor 4, namely the latter half of the swinery area adopts a leaky floor 5, and the upper space of the raised floor 4 is communicated with an odor exhaust area 19;
the air intake tunnel 9, the air intake duct, the wall-attached jet generator 16 and the odor exhaust area 19 form an air supply-exhaust system.
As shown in fig. 5, the wall-attached jet generator 16 is disposed at the upper portion of the side wall 2 of the pig house, and a flow equalizing orifice 161 is disposed inside the wall-attached jet generator 16 for stabilizing air flow, reducing turbulence of air supply, and improving uniformity of air supply, and an air outlet 162 is disposed at the lower portion of the wall-attached jet generator 16 and is close to one side of the side wall 2, and a main air inlet 163 and a bypass air inlet 164 are disposed at the side surface. The air inlet pipeline comprises an air inlet main pipe 11, a bypass air inlet pipe 14 and a plurality of air inlet branch pipes 13 arranged at two sides of the air inlet main pipe 11; the main air inlet 163 is connected with the air inlet branch pipe 13, the bypass air inlet 164 is connected with the bypass air inlet pipe 14, the air inlet branch pipe 13 and the bypass air inlet pipe 14 are respectively provided with an air quantity regulating valve 15, and a plurality of air inlet branch pipes 13 are communicated with the air inlet main pipe 11.
As shown in fig. 2, the front end of the air inlet main pipe 11 is connected with a bypass dosing pipe 12 for adding solid medicines, and when medicine application demands exist, the bypass dosing pipe 12 is opened to pneumatically convey powdery medicines to the live pig breathing zone through an air supply system.
As shown in fig. 3, the air intake main pipe 11 communicates with the air intake tunnel 9. The air inlet tunnel 9 is buried underground, the air enters the pig house from the outdoor underground, the other end of the air inlet tunnel 9 is connected with the outdoor air inlet vertical pipe 10, and the outdoor air inlet vertical pipe 10 is provided with a variable frequency fan and an air quantity sensor. The height between the lower edge of the air inlet of the outdoor air inlet vertical pipe 10 and the ground is more than or equal to 2m, and the air inlet is provided with a filter screen. The tunnel is used for introducing outdoor fresh air, can realize high Wen Jinfeng cooling in summer and heating of cold air in winter, and saves the air treatment cost of the pig house. The tunnel should be generally arranged below the ground for 2m, the length should not be too short, the wind speed in the tunnel should be 0.5m/s, and the pipeline is made of corrosion-resistant and high-thermal-conductivity materials so as to ensure the heat exchange effect. Otherwise, the heat exchange effect is not ideal, and the air supply temperature requirement of the pigsty is difficult to meet.
As shown in fig. 5, the flow guiding member 17 is disposed directly below the wall-attached jet generator 16, and the flow guiding member 17 is composed of a rotation shaft 171, a support 172, and a two-way shape memory alloy flow guiding plate 173. According to different air supply height requirements, a plurality of groups of supporting frames 172 are arranged along the height direction of the side wall 2, a rotating shaft 171 is arranged on the supporting frames 172, and the rotating shaft 171 is connected with a double-pass shape memory alloy flow guiding flat plate 173 for adjusting the air supply angle by 0-180 degrees. The two-way shape memory alloy diversion plate 173 is connected with a plurality of metal diversion plates 174 with the same width, and the metal diversion plates 174 with the same width can be partially or fully folded so as to realize the adjustment of diversion length.
The two-way shape memory alloy deflector 173 has shape memory effect, the air supply angle in winter is alpha, the recommended angle is alpha=105°, and the air is supplied downwards horizontally to overcome the floating force of the hot air flow; the air supply angle in summer is beta, and beta=90° is recommended, namely horizontal air supply. The two-way shape memory alloy flow guiding plate 173 can automatically change the air supply angle according to the air supply temperature by the shape memory effect, and adapt to the air supply requirements in different seasons without manual adjustment. When a specific angle of air supply is required, the air supply angle may be adjusted by 0 ° to 180 ° through the rotation shaft 171. In addition, the two-way shape memory alloy deflector 173 may be set at a fixed angle for fixed angle air supply; and can also periodically rotate around the rotation shaft 171 within a certain angle range to form a dynamic air supply effect similar to natural wind.
As shown in fig. 2, the leaky floor 5 is arranged at the rear half part of the pig fence 3, the lower part of the leaky floor 5 is provided with a manure ditch 7 for collecting the manure and urine of the live pigs, and the manure ditch 7 is provided with a manure scraping device 8 for periodically discharging the manure and urine in the manure ditch 7. Partition walls 6 are arranged on two sides of the manure pit 7 and are used for partitioning the manure pit 7 and an odor discharge area 19, and the height of the partition walls 6 is lower than the overhead height of the floor, so that the manure-separating and exhausting function is achieved.
As shown in fig. 1 and 2, an odor discharge area 19 is located below the raised floor 4, separated from the manure pit 7 by a partition wall 6; the side wall of the odor exhaust area 19 is provided with a lower air outlet 20, and the lower air outlet 20 is provided with a variable frequency fan. The odor in the pig house passes through the leaky floor 5 and the manure pit 7 under the suction effect of the fan, reaches the odor discharge area 19, is discharged to the exhaust passage 21 from the lower exhaust outlet 20, is treated uniformly and is discharged outdoors. The invention can timely discharge the odor in the source area of odor generation, effectively reduces the stay time of the odor in the pig house, reduces the diffusion of the odor along with the airflow in the pig house, and has high harmful gas removal efficiency.
As shown in fig. 1, a plurality of roof air outlets 18 are uniformly arranged along the longitudinal direction of the pig house roof, and the roof air outlets 18 are provided with axial-flow roof air fans. The air outlet is arranged on the roof, so that the air in the upper high-temperature area can be discharged in time in summer by effectively utilizing the characteristic of the temperature gradient, and the air temperature control device has an important effect on reducing the air temperature in the pig house.
As shown in fig. 4, a water inlet system is further arranged in the upper space of the pig house, the water inlet system comprises a water inlet main pipe 22, a plurality of water inlet branch pipes 23 are symmetrically connected to two sides of the water inlet main pipe 22, an atomizing nozzle 25 is arranged at the tail end of each water inlet branch pipe 23, an electric valve 24 and a flow sensor are arranged on each water inlet branch pipe 23, and the electric valve 24 and the flow sensor are connected with a control system. The direction of the spray head of the atomizing spray head 25 is adjustable, the flow rate and the atomization degree are adjustable.
More preferably, the front end of the main water inlet pipe 22 is provided with a bypass liquid adding pipe 26 for adding liquid medicine.
The pigsty 3 in the pigsty is longitudinally arranged in two rows, a passageway is arranged between the two rows, each row is divided into a plurality of pigsty areas, and each pigsty area is provided with a wall-attached jet generator 16, a flow guiding component 17, a lower air outlet 20 and an atomization nozzle 25.
Each swinery area is provided with a mutually independent control system, and the air supply quantity and the spraying quantity of each swinery area are independently regulated. Can be adjusted according to the number of the pigs in the pig farm and the growth stage, meets different requirements of different pigs on the air environment, and simultaneously realizes the partition control to save energy. The roof air outlet 18, the lower air outlet 20 and the air inlet main pipe 11 are all provided with air volume sensors, and the roof area and each pig fence area inside the pig house are all provided with temperature sensors which are connected with a control system.
In summer, when the temperature of the air in the roof area in the pig house is higher than 28 ℃, the control system automatically turns on the axial-flow roof exhaust fan of the air outlet 18 of the pig house roof, and the air in the high-temperature area at the upper part of the pig house is timely exhausted. The external fresh air enters from the main air inlet pipe 11, is sent into the wall-attached jet generator 16 through the air inlet branch pipe 13, forms low-turbulence air after being subjected to flow equalization through the flow equalizing orifice 161 of the wall-attached jet generator 16, is sent out from the air outlet 162, flows downwards along the wall-attached surface, and is deflected and conveyed to the live pig breathing area after impacting the double-pass shape memory alloy flow guiding plate 173. When the air flow is sent to the pig body, the speed is effectively attenuated, and uncomfortable blowing sense is avoided due to overlarge wind speed. After flowing through the pig body, the pig body passes through the slotted floor 5, the manure pit 7 and the odor exhaust area 19, and finally is exhausted to the exhaust passage 21 through the lower exhaust outlet 20. Fresh air is firstly sent to the live pig breathing zone and then is discharged from the pollution zone, the live pigs are in the upwind direction, and the quality of the breathed air is high. The air flow of the air supply and the air exhaust forms directional flow, and the mixing and entrainment of the air flow of the air supply and harmful polluted gas are reduced, thereby reducing the transmission risk of respiratory diseases in the pigsty.
The pressurized water is delivered to the atomizing spray heads 25 above the pigs 3 by the water inlet main pipe 22 and the water inlet branch pipe 23 to generate uniform fine water mist so as to realize evaporation and cooling. The direction, flow and atomization degree of the atomization nozzle 25 can be adjusted to ensure that the fog drops can be effectively vaporized and cooled in the falling process without falling on the pig body. On the other hand, the harmful gases such as ammonia gas and the like are fully contacted with the fine water mist and dissolved in water, so that the concentration of the harmful gases is further reduced. The control system monitors the temperature of each pig farm area through the temperature sensor of each pig farm area, and correspondingly adjusts the flow of the roof air outlet 18, the air inlet main pipe 11, the lower air outlet 20 and the atomizing nozzle 25, so that the temperature of each pig farm area is ensured to meet the requirements. Meanwhile, the medicine can be sprayed to the area of the pig farm 3 through the by-pass liquid adding pipe 26 by the atomizing nozzle 25, so as to realize epidemic prevention and disease treatment of live pigs. For the powdery medicine, the powdery medicine is added into the air supply system through the bypass medicine adding pipe 12, and is conveyed to the live pig breathing zone in a directional manner through the pneumatic conveying of the air supply system, so that efficient medicine application is realized, and the labor is saved.
In winter, the air outlet 18 on the roof of the pig house is closed, so that the outflow of hot air is avoided; the air quantity regulating valve 15 on the bypass air inlet pipe 14 is opened, so that warmer air near the roof ceiling and colder air fed from the outside of the pig house through the air inlet main pipe 11 and the air inlet branch pipe 13 are uniformly mixed in the wall-attached jet generator 16, the air supply temperature of the air outlet 162 is improved, and the phenomenon that cold stress is generated by supercooling of the fed air is avoided. The angle of the two-way shape memory alloy deflector 173 is horizontally inclined downward, so as to overcome the problem that the hot air flows upwards under the action of the heat buoyancy force when hot air is sent in winter, and the hot air is difficult to reach the pig body. After the air flows through the pig body, the air is discharged through the slotted floor 5, the manure pit 7 and the odor discharge area 19 through the lower air outlet 20. The lower air outlet 20 can timely remove the generated odor and improve the air quality in the pig house. The control system monitors the air quantity of the main air inlet pipe 11 and the lower air outlet 20 through the air quantity sensor, and adjusts the air quantity of the main air inlet pipe 11 and each lower air outlet 20 through the air quantity regulating valve 15, so that the total air quantity of the pig house is ensured to be larger than the total air quantity, the positive pressure state inside the pig house is realized, and the generation of the air for the thieves in winter is avoided to the greatest extent. In the epidemic period of live pigs, when epidemic prevention and killing demands exist, on one hand, liquid medicines can be sprayed to the area of the pig farm 3 through the by-pass liquid adding pipe 26 by the atomizing nozzle 25; on the other hand, the powdery medicine can be added into the air supply system through the bypass medicine adding pipe 12, and is conveyed to the head area of the live pig in a directional manner through the pneumatic conveying of the air supply system, so that the purposes of efficient sterilization and epidemic prevention in the epidemic period of the live pig are achieved.
The pig house air environment guarantee system provided by the invention has high practicability and good adaptability, can be regulated and controlled according to different application scenes, and meets the requirements of regulating and guaranteeing the air environment of the pig house in the time of leveling and in the epidemic situation of live pigs. The temperature, wind speed and wind direction in the pig house are adjustable and controllable, and the uniformity is good; the air supply and the air exhaust form directional flow, so that the sewage disposal efficiency is high; improving the respiratory air quality of the live pigs and reducing the uncomfortable blowing sense of the live pigs. When the epidemic disease of the live pigs is in a high incidence period or epidemic prevention and killing demands exist, the two sets of drug application systems can be started as required, so that the efficient killing and epidemic prevention of the pig house and the disease treatment of the live pigs are realized, and the occurrence risk and prevalence rate of the respiratory tract infectious disease of the pig house are reduced.
The pig house is internally provided with organized directional ventilation, natural energy is fully utilized, the air environment in the pig house is ensured in a low-energy consumption mode, and the various requirements of different seasons and different pig types on the pig house environment are met. Solves the problems of uneven ventilation air flow distribution of the pig house, ventilation dead angle, air-out, blowing sensation of live pigs and cold stress; harmful gases such as ammonia, hydrogen sulfide and the like in the pig house are not smoothly discharged, the ventilation efficiency is low, the harmful polluted gases are widely diffused, and the air environment in the pig house is bad. Meanwhile, the high-efficiency germ killing and epidemic prevention of the pig house can be realized in the high-incidence period of the pig epidemic disease, and the incidence rate of the pig epidemic disease is reduced, so that the aim of improving the economic benefit of a pig farm is fulfilled.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (6)

1. The pig house plague combining air environment guaranteeing system is characterized by comprising a control system, an air inlet pipeline, an air inlet tunnel (9) and a plurality of wall-attached jet generators (16);
the wall-attached jet generator (16) is communicated with the air inlet tunnel (9) through an air inlet pipeline, and the air inlet tunnel (9) is arranged outside the pigsty and buried underground;
an air inlet is formed in one side of the wall-attached jet generator (16), the air inlet is communicated with an air inlet pipeline, an air quantity regulating valve (15) and an air quantity sensor are arranged on the air inlet pipeline, and the air quantity sensor and the air quantity regulating valve (15) are connected with a control system;
an air outlet (162) is formed in the lower side of the wall-attached jet generator (16), the air outlet (162) is tightly attached to the pigsty side wall (2), and a flow guiding component (17) is arranged below the air outlet (162);
the floor of the pig house adopts an overhead floor (4), the upper part of the overhead floor (4) is divided into a plurality of pig fence areas, a temperature sensor is arranged in each pig fence area, and a wall-attached jet generator (16) is correspondingly arranged on a side wall (2) corresponding to each pig fence area; the temperature sensor is connected with the control system;
an odor exhaust area (19) is formed at the lower part of the raised floor (4);
the middle area of the raised floor (4) adopts a leaky floor (5), and the upper space of the raised floor (4) is communicated with an odor exhaust area (19);
the air inlet tunnel (9), the air inlet pipeline, the wall-attached jet generator (16) and the odor exhaust area (19) form an air supply-exhaust system;
the wall-attached jet generator (16) is arranged at the upper part of the pigsty side wall (2), and a flow equalizing pore plate (161) is arranged in the wall-attached jet generator (16);
the flow guiding component (17) comprises a rotating shaft (171), a supporting frame (172) and a double-pass shape memory alloy flow guiding flat plate (173), wherein the supporting frame (172) is arranged on the side wall (2), the rotating shaft (171) is hinged to the supporting frame (172), the rotating shaft (171) is connected with the double-pass shape memory alloy flow guiding flat plate (173), and the double-pass shape memory alloy flow guiding flat plate (173) is connected with a plurality of metal flow guiding flat plates (174) with the same width; a foldable connection mode is adopted among the plurality of metal diversion plates (174);
a water inlet system is further arranged in the upper space of the pigsty, the water inlet system comprises a water inlet main pipe (22), a plurality of water inlet branch pipes (23) are connected to two sides of the water inlet main pipe (22), an atomizing nozzle (25) is arranged at the tail end of each water inlet branch pipe (23), an electric valve (24) and a flow sensor are arranged on each water inlet branch pipe (23), and the electric valve (24) and the flow sensor are connected with a control system;
the front end of the main water inlet pipe (22) is provided with a bypass liquid adding pipe (26) for adding liquid medicine.
2. The pig house plague-combination air environment-guaranteeing system according to claim 1, wherein the air inlet pipeline comprises an air inlet main pipe (11), a bypass air inlet pipe (14) and a plurality of air inlet branch pipes (13) arranged at two sides of the air inlet main pipe (11);
the air inlet main pipe (11) is communicated with one end of the air inlet channel (9), the other end of the air inlet channel (9) is connected with the outdoor air inlet vertical pipe (10), the outdoor air inlet vertical pipe (10) is connected with a variable frequency fan and is provided with an air quantity sensor, and the air quantity sensor is connected with the control system;
the air inlet is arranged on the side surface of the wall-attached jet flow generator (16) and comprises a main air inlet (163) and a bypass air inlet (164), the main air inlet (163) is connected with the air inlet branch pipe (13), and the bypass air inlet (164) is connected with the bypass air inlet pipe (14);
the air quantity regulating valve (15) is arranged on the air inlet branch pipe (13) and the bypass air inlet pipe (14).
3. The pig house plague combining air environment guaranteeing system according to claim 2, wherein the front end of the air inlet main pipe (11) is connected with a bypass dosing pipe (12) for adding solid medicines.
4. The pigsty plague-combined air environment guaranteeing system according to claim 1, wherein an exhaust passage (21) is arranged at the lower part of the side wall (2), a plurality of lower exhaust ports (20) are arranged at the side edge of the odor exhaust area (19), and the lower exhaust ports (20) are communicated with the exhaust passage (21); a variable frequency fan and an air quantity sensor are arranged at the lower air outlet (20), and the variable frequency fan and the air quantity sensor are connected with a control system.
5. The pig house plague-combined air environment guaranteeing system according to claim 1, wherein a roof air outlet (18) is arranged on a roof (1) of the pig house, an exhaust fan and an air quantity sensor are arranged at the roof air outlet (18), a temperature sensor is arranged in a roof area inside the pig house, and the exhaust fan, the air quantity sensor and the temperature sensor are connected with a control system.
6. The method for operating the swine plague-combined air environment assurance system according to any one of claims 1-5, comprising the following steps:
the temperature sensor monitors the temperature of each swinery area in real time and sends the temperature to the control system, and the control system independently adjusts the air quantity adjusting valve (15) of each swinery area according to the temperature of the swinery area so as to adjust the air quantity of the air inlet pipeline; meanwhile, an air quantity sensor monitors the air quantity of each air inlet pipeline in real time and sends the air quantity to a control system, and the control system adjusts the air quantity of the air inlet pipeline according to the positive pressure or negative pressure state required by the interior of the pig house;
external air enters an air inlet pipeline from an air inlet tunnel (9), enters a wall-attached jet generator (16) through the air inlet pipeline, is sent out from an air outlet (162) after passing through the wall-attached jet generator (16), flows downwards along the wall, and is deflected and conveyed to a pig fence area after impacting a guide member (17);
after flowing through the pig body, the air enters an odor exhaust area (19) through the leaky floor (5), and is exhausted out of the pig house through the odor exhaust area (19).
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