CN211657105U - Biological safety system for pig farm - Google Patents

Abstract

The invention discloses a biological safety system for a pig farm, which comprises an internal biological safety system arranged in the pig farm and an external biological safety system outside the pig farm. The internal biological safety system comprises a production line personnel disinfection channel, a production line material disinfection channel, a road disinfection vehicle for disinfecting the internal road and facilities of the pig farm, a living area and production area enclosure, a front dressing room, a material warehouse for storing materials in the pig farm, and a pig outlet platform for transporting pigs out or sending the pigs into the pig farm. The external biosafety system comprises a peripheral safety system arranged outside a predetermined distance from the pig farm and an off-site safety system arranged inside the peripheral safety system outside the pig farm, and all the parts of the internal safety system and the external safety system can only flow in one direction through the access passages.

Description

Biological safety system for pig farm

Technical Field

The invention belongs to large-scale live pig breeding equipment, and particularly relates to a pig farm safety system for maintaining live pig breeding safety.

Background

African swine fever is an acute, febrile, contagious infectious disease caused by African swine fever virus, which is highly contagious and lethal. The disease only infects pigs under natural conditions, and domestic pigs and wild pigs of different ages, sexes and breeds are susceptible and can occur all the year round.

Because African swine fever has extremely strong infectivity, and a large number of live pigs are bred in a pig farm, once epidemic situations occur in a large-scale breeding farm, the infectivity is extremely strong and the propagation speed is very high, all live pigs in the whole farm are probably subjected to harmless treatment, such as burying or burning, and serious economic loss is caused to a pig farm operator. In addition, no effective vaccine exists for the African swine fever at present, so that the effective defense means for the African swine fever is only to strengthen the biosafety prevention and control of a pig farm.

Therefore, a defense system needs to be established in the pig farm in the aspects of materials, personnel, vehicles, pig entrance and exit channels and the like, so as to avoid invasion of bacteria, viruses and other harmful substances, but in the prior art, on one hand, the pig farm is difficult to maintain an absolute closed space, and the germs are easy to enter the pig farm or the pig house through air circulation of an entrance and an exit; on the other hand, people, materials and the like entering the pig farm or the pig house, such as feed, vaccine and the like, are difficult to ensure that no pathogenic bacteria are carried, so that the effective prevention and control of the pig farm on diseases cannot be realized.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a biological safety system for a pig farm, which can form an all-directional barrier for bacteria, viruses and other harmful substances in the pig farm and effectively protect the safety of the pig farm.

In order to achieve the aim, the invention adopts the following technical scheme.

A pig farm biosafety system comprising an internal biosafety system disposed within a pig farm and an external biosafety system disposed outside the pig farm.

The internal biological safety system comprises a production line personnel disinfection channel, a production line material disinfection channel, a road disinfection vehicle for disinfecting internal roads and facilities of a pig farm, a living area and production area enclosure, a front dressing room, a material warehouse for storing materials in the pig farm, and a pig outlet platform for transporting pigs out of or into the pig farm;

further, the production line personnel disinfection passage comprises a first changing room, a shower room and a second changing room, wherein the personnel inlet connected with the pre-disinfection passage is arranged in the first changing room, the first changing room is communicated with the shower room, the shower room is communicated with the second changing room, and the second changing room is provided with a door leading to the disinfected passage; the door of the first dressing room communicated to the shower room, the door of the shower room communicated to the second dressing room and the door of the second dressing room with a channel communicated to the disinfected clothes can be opened only in one direction;

further, production line goods and materials disinfection passageway includes that the goods and materials soaks between and the goods and materials is dried, the goods and materials soaks between install goods and materials and soak degassing unit, install goods and materials stoving degassing unit between the goods and materials are dried. Because some materials entering the pig farm need to be disinfected by using a soaking mode, such as entering vegetables, vaccines and the like; and some materials can only be disinfected by using a drying mode, such as pig feed, so that the material soaking room and the material drying room are respectively arranged for disinfecting the materials.

Furthermore, the front replacement clothes room is a buffer area for a living area to enter a production area, is a closed room at the junction of the living area and the production area, and is used for people entering and exiting the production area to replace work clothes, shoes and boots, and a maintenance person to take a shower and the like. In addition, a disinfection device is installed in the front changing room for channel disinfection.

Further, the pig discharging platform is provided with a disinfection device for channel disinfection, wherein the pig discharging platform device comprises a pig discharging channel and doors at two ends of the pig discharging channel; one end of the pig outlet channel is a pigsty end and is connected to a pigsty, a door of the pig outlet channel is a pigsty end door, the other end of the pig outlet channel is a pig outlet end door; a pigsty end guardrail and a pig outlet end guardrail are arranged between the pigsty end door and the pig outlet end door respectively, the pigsty end guardrail is positioned behind the pigsty end door and is a first preset distance away from the pigsty end door, and the pig outlet end guardrail is positioned behind the pig outlet end door and is a second preset distance away from the pig outlet end door; the ceiling of the pig outlet channel is a transparent top, and the pig outlet end of the pig outlet channel is higher than the piggery end to form a ramp with a gradient of 5-30 degrees; the lower part of the pig outlet channel is provided with one or more than one group of supporting columns which support the pig outlet channel to form the ramp.

The first preset distance and the second preset distance are selected according to terrain conditions and gradients, for example, the range of 0.5-1 m can be used, retention of pigs in the space can be prevented as much as possible, and convenience in operation can also be guaranteed.

At first, utilize the play pig platform device of this patent, can open respectively and close pig house end door and play pig end door to go out the pig from the pig house as an example, when the pig need get into out the pig passageway, open the pig house end door, it closes to go out the pig end door this moment, when the pig is whole to get into out the pig passageway, closes the pig house end door, opens out the pig end door again, can avoid the direct pig house that gets into of outside air like this, causes the pathogen to infect. In addition, a pigsty end guardrail and a pig outlet end guardrail are arranged behind the pigsty end door and the pig outlet end door, and when the pigsty end door or the pig outlet end door is closed, the pigsty end door or the pig outlet end door is protected from being damaged by closing the pigsty end guardrail or the pig outlet end guardrail. In addition, through the ramp that forms, can let out the pig and directly get into boxcar, it is very convenient to carry.

In addition, the ground of going out the pig passageway includes gravity sensor, go out the pig platform device and include the control unit and drive the pig house end door respectively and go out the drive unit of pig end door, pig house end guardrail and play pig end guardrail, the control unit is connected to gravity sensor and drive unit.

Because the ground that goes out the pig passageway includes gravity sensor, consequently can whether the auto-induction pig has got into out the pig passageway to and in the position of going out between the pig passageway, give the control unit with the response result transmission, and the control unit passes through drive unit drive pig house end door and goes out opening and closing of pig end door, pig house end guardrail and play pig end guardrail, just can realize the automatic control of pig passageway.

In addition, each include pig house end water drainage tank and play pig end water drainage tank between the pig house end door of play pig passageway and the play pig end door, pig house end water drainage tank is located between pig house end door and the pig house end guardrail, it is located out pig end door and goes out between the pig end guardrail to go out pig end water drainage tank, pig house end water drainage tank and play pig end water drainage tank link up go out the pig passageway, its upper cover has porose apron.

The pig house end water drainage tank that sets up between the pig house end door of going out the pig passageway and the pig end water drainage tank that goes out can be with the water in the pig passageway of going out, perhaps spray disinfection liquid is discharged outside the pig passageway, avoids inflow pig house such as sewage, causes the pollution in the pig house.

In addition, be provided with spray disinfection device in going out the pig passageway, spray disinfection device includes more than one shower nozzle that sets up on going out pig passageway ceiling, it still includes humidity transducer to go out pig platform device, humidity transducer also sets up on going out pig passageway ceiling, with shower nozzle position interval, humidity transducer is connected to the control unit.

Through above setting, can realize the spray disinfection after the pig passageway is vacated, distribute the antiseptic solution in a pig passageway evenly, humidity sensor can detect out the humidity in the pig passageway, can not directly drench so that the detection result of mistake appears by the shower nozzle again. When the concentration (humidity) of the liquid medicine in the pig outlet channel reaches a preset threshold value, the pathogen can be effectively killed by carrying out closed disinfection for a certain time.

And the pig outlet platform device also comprises a temperature sensor, the temperature sensor is arranged on the ceiling of the pig outlet channel, and the temperature sensor is connected to the control unit.

Through above setting, can realize the stoving disinfection after the pig passageway is vacated, the experimental result shows that the stoving disinfection that the temperature is enough high, the time is enough long can kill the pathogen, avoids out the pig passageway moreover and mildenes and rot, also easy to clean. When the temperature of the air in the pig outlet channel reaches a preset temperature threshold value, the bacteria can be effectively killed by maintaining drying and disinfection for a certain time, for example, drying at the temperature of more than 60 ℃ for 60 min.

In addition, the pigsty end door and the pig outlet end door are rolling doors, flanges protruding from two sides are arranged at the lower end of the rolling doors, the bottom surface of the pig outlet channel is provided with an occlusion device at a position corresponding to the pigsty end door and the pig outlet end door, the occlusion device comprises right-angle hooks oppositely arranged at two sides, one end of each right-angle hook is provided with a threaded through hole, and the other end of each right-angle hook is a free occlusion end; the screw thread opposite direction of the screw thread through-hole of two right angle shape hooks that set up relatively, the joint meshing is on the screw thread axle, the screw thread axle is also opposite with the external screw thread direction at the screw thread through-hole meshing position of two right angle shape hooks, when the screw thread axle is rotatory, the right angle shape hook relative meshing that the both sides set up forms locking state or relaxs the state, works as when the interlock is locking state, the free interlock end meshing rolling slats door lower extreme flange of the right angle shape hook that the both sides set up relatively.

Through the arrangement, when the driving device drives the rolling door to a closed state, the lower end of the rolling door is locked through the meshing device, and the rolling door is prevented from being opened by mistake. The right-angle hook arranged oppositely is driven by the same threaded shaft, a locking state or a loosening state can be formed through a simple structure, the rolling door can be locked, and the rolling door cannot move upwards.

In addition, the top of the pig outlet end is provided with a winch group which is used for connecting a vehicle outside the pig outlet platform device and pulling out the pigs in the pig outlet channel.

When will large-scale pig car of dying goes out the house among the actual operation, because the pig is heavier, and has certain slope, the manual work will be pulled the pig car and pushed to the pig platform of going out more difficultly, with the help of going out the hank group at pig platform end top, will pull the pig car of dying through outside vehicle and drag out.

In addition, the external biosafety system comprises a peripheral safety system arranged outside a preset distance from the pig farm and an off-farm safety system arranged outside the pig farm and inside the peripheral safety system.

Further, the peripheral safety system comprises a peripheral personnel disinfection channel for disinfecting personnel and personal articles, a vehicle disinfection channel for disinfecting vehicles for transporting materials and personnel, and a material disinfection channel for disinfecting and caching materials in a pig farm, wherein the personnel disinfection channel, the vehicle disinfection channel and the material disinfection channel can only circulate in one direction. In addition, the peripheral safety system is provided with a movable pig discharging platform, so that healthy pigs such as live pigs, rejected sows and the like can be conveniently transferred out of the peripheral safety system; the off-site safety system comprises an off-site personnel disinfection channel for disinfecting personnel and articles entering the pig farm and a vehicle disinfection channel for disinfecting vehicles, and in addition, the off-site safety system is provided with a safety system which can move out of the pig farm conveniently;

further, the personnel disinfection channel of the peripheral safety system and the off-site area safety system is a personnel separation disinfection channel and is divided into a personnel disinfection channel and an article disinfection channel, and the personnel disinfection channel and the article disinfection channel are separated and not communicated with each other, so that people are separated and disinfected, on one hand, entering personnel are disinfected comprehensively, and on the other hand, germs are prevented from being brought in through personal articles of workers.

Further, the personnel sterilizing passageway comprises a first changing room, a shower room and a second changing room, the personnel entrance connected with the pre-sterilizing passageway is arranged in the first changing room, the first changing room is communicated with the shower room, the shower room is communicated with the second changing room, and the second changing room is provided with a door leading to the sterilized passageway; the door of the first dressing room communicated to the shower room, the door of the shower room communicated to the second dressing room and the door of the second dressing room with a channel communicated to the disinfected clothes can be opened only in one direction;

further, the article disinfection channel comprises a soaking disinfection room and a drying disinfection room which are arranged in parallel; the soaking disinfection room is internally provided with a soaking disinfection pool and a soaking net cage, the soaking disinfection pool and the soaking net cage are square, and the soaking net cage is smaller than the soaking disinfection pool and can be placed in the soaking pool; the drying and sterilizing room is internally provided with a drying rack and a heating device.

Further, the soaking disinfection room and the drying disinfection room of the object disinfection channel are respectively provided with a window for taking and placing objects, the windows for taking and placing the objects respectively comprise an inlet door A and an outlet door B, and the inlet door A and the outlet door B can not be opened simultaneously.

Furthermore, a timer is arranged in the soaking disinfection room of the article disinfection channel, when disinfection articles are placed in the soaking disinfection room of the article disinfection channel, the door A is closed, the timer starts to time, the door A and the door B cannot be opened at the moment, and the door B cannot be opened until the preset disinfection time is reached; when the exit B is opened, the entrance A cannot be opened, the exit A can be opened only when the exit B is closed, and the timing program is restarted.

Further, the disinfectant in the soaking disinfection room of the article disinfection channel is a non-toxic and non-corrosive disinfectant, preferably a potassium hydrogen persulfate disinfectant, and the soaking disinfection time is preferably 20 min.

Furthermore, a timer and a temperature sensor are arranged in the drying and sterilizing room of the article sterilizing channel, when the sterilized articles are placed in the drying and sterilizing room of the article sterilizing channel, the entry door A is closed, the heating device starts to heat at the moment, the timer starts to time after the sterilized articles are heated to a preset temperature, the entry door A and the exit door B cannot be opened at the moment, and the exit door B cannot be opened after the preset sterilizing time is up; when the exit door B is opened, the entrance door A cannot be opened, and the exit door A can be opened only when the exit door B is closed. The timing sequence is restarted.

Furthermore, the drying and sterilizing temperature of the drying and sterilizing room of the object sterilizing channel is preferably above 60 ℃, and the drying and sterilizing time is preferably above 20 min.

The personnel separation channel is used for realizing parallel disinfection of operators and articles thereof without intersection, and the personnel disinfection channel comprising a first changing room, a shower room and a second changing room is used for realizing disinfection of personnel; and the articles are sterilized by a soaking sterilization room or a drying sterilization room, so that the simultaneous sterilization of people and articles is realized at one time. In addition, for the articles with different attributes, the articles can be respectively sterilized, for example, the articles such as mobile phones and the like which cannot be soaked are sterilized by drying; and for articles such as glasses and cosmetics, the disinfection can be realized by using a soaking mode. In addition, the door of the first dressing room communicated to the shower room, the door of the shower room communicated to the second dressing room and the door of the second dressing room with the channel communicated to the disinfected clothes can be opened only in one direction, and therefore the recontamination can be strictly avoided.

In addition, inside biosafety system and outside biosafety system's goods and materials disinfection passageway includes that the goods and materials soaks between and the goods and materials is dried, the goods and materials soaks between and installs goods and materials and soaks degassing unit, install goods and materials stoving degassing unit between the goods and materials are dried. Because some materials entering the pig farm need to be disinfected by using a soaking mode, such as entering vegetables, vaccines and the like; and some materials can only be disinfected by using a drying mode, such as pig feed, so that the material soaking room and the material drying room are respectively arranged for disinfecting the materials.

Further, the drying temperature of the materials in the internal biosafety system and the external biosafety system is 50-70 ℃, and preferably 60 ℃;

further, the disinfectant for soaking and disinfecting in the internal safety system and the external safety system is non-corrosive and non-toxic, and is preferably potassium hydrogen persulfate disinfectant.

In this patent, the external biosafety system constitutes the pig farm external defense system, and its effect is mainly to disinfect personnel, goods and vehicles that get into the pig farm. The effect of inside biosafety system is that the personnel and the goods and materials that guarantee to get into the pig house do not carry the germ to form inclosed passageway through going out the pig platform, from the isolated inside and outside circulation of air of pig house of play pig platform department, prevent that the germ from passing through the air propagation and getting into the pig farm. Personnel, materials and the like can flow from the external biological safety system to the internal biological safety system until the pigsty ensures one-way circulation, so that the aim of inhibiting germs from entering the pigsty from the outside is achieved; on the contrary, utilize the in-situ district to go out the pig platform facility, guarantee that the germ can't carry out the air propagation through pig access way, reach and restrain the germ from getting into the pig house from inside exit, reach the sterile environment who guarantees the pig house through two-way blocking to the germ.

Specifically, the personnel disinfection channel of the external biosafety system is a personnel separation disinfection system and comprises a personnel disinfection channel and a personal article disinfection channel, and the personnel disinfection channel is provided with a shower disinfection system for disinfecting personnel; the article disinfection channel comprises a soaking disinfection room and a drying disinfection room which are arranged in parallel; wherein a soaking disinfection pool and a soaking net cage are arranged in the soaking disinfection room, and a drying rack and a heating device are arranged in the drying disinfection room.

In addition, the vehicle sterilization of the external biosafety system is mainly drying sterilization, and a drying environment at 50-60 ℃ is formed in a vehicle drying room; a drying and sterilizing environment at 50-70 ℃ is formed in the drying and sterilizing channel;

treat disinfection material according to the difference, this patent material disinfection passageway all take different disinfection methods, material disinfection passageway includes between the material soaks and between the material is dried, install material soaking degassing unit between the material soaks, install material stoving degassing unit between the material is dried. Because some materials entering the pig farm need to be disinfected by using a soaking mode, such as entering vegetables, vaccines and the like; and some materials can only be disinfected by using a drying mode, such as pig feed, so that the material soaking room and the material drying room are respectively arranged for disinfecting the materials.

In addition, the vehicle drying room, the material drying and disinfecting channel and the personnel disinfecting channel of the vehicle disinfecting channel adopt the same set of heating equipment; the main body of the heating equipment is arranged in the drying and disinfecting channel and comprises an infrared heat radiation unit, a drying and disinfecting heat conduction plate and a hot water heat conduction channel, and according to different materials to be disinfected, different disinfection methods are adopted in the heating equipment, for example, vehicles only need to be dried, so that the temperature is set to be 50-60 ℃ in a drying environment; for the drying and sterilizing channel, besides drying, sterilization is also needed for the main function, so that a higher temperature, such as a drying and sterilizing environment of 50-70 ℃, is needed; the disinfection of personnel needs to provide a hot water system and a cold water system at the temperature of 30-70 ℃, and for the soaking disinfection system, the temperature in the soaking pool is preferably 15-25 ℃, but can have certain deviation.

The invention has the following beneficial effects:

(1) through setting up into house personnel disinfection passageway and entering house goods and materials disinfection passageway, enter the isolated germ invasion pig house in house department from personnel and goods and materials to and through going out the pig at the pig house or advancing the pig passageway and setting up out the pig platform, from going out the pig or advancing the isolated germ invasion pig house in pig department, thereby reach the clean production environment of pig house.

(2) The road disinfection vehicle for disinfecting the roads and facilities in the pig farm regularly disinfects the roads and facilities in the pig farm; isolating germs in the living area by enclosing the living area and the production area; the front dressing room ensures that people in the living area enter the production area to replace working clothes and avoid carrying personal articles; the clean environment in the plant area is ensured through the arrangement;

(3) the risk of pathogen invading the pig farm is further isolated from the outside by arranging an external safety system outside the factory;

(4) the access passages of all the components of the safety system can only realize one-way circulation and the one-way circulation of the disinfection system from outside to inside, so that the risk of entering the factory with the germs carried by factory returning personnel, materials and vehicles is avoided;

(5) personnel and materials are respectively disinfected in different disinfection areas, different disinfection modes such as shower disinfection, soaking disinfection and drying disinfection are carried out aiming at different disinfection objects, and the effects of thoroughly disinfecting the personnel and the materials can be achieved by using different disinfection equipment such as a shower room, a drying disinfection room and a soaking disinfection room; in addition, the personnel disinfection channel clean area is communicated with the material disinfection channel clean area to form a sterile operation room together, so that personnel and materials enter the pigsty without being infected with any germs;

(6) the heat sources of the drying and sterilizing channel and the personnel sterilizing channel are integrated into one, so that the equipment cost is greatly reduced, and the space is saved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a biosafety system for a pig farm according to an embodiment of the invention.

Fig. 2 is a schematic plan view of a pigsty protection system in an internal biosafety system of a pig farm according to an embodiment of the invention.

Fig. 3 is a schematic structural diagram of the pig platform device according to the embodiment of the invention.

Fig. 4 is a schematic structural view of a rolling door of the pig platform device according to an embodiment of the invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

Detailed exemplary embodiments are disclosed below. However, specific structural and functional details disclosed herein are merely for purposes of describing example embodiments.

It should be understood, however, that the intention is not to limit the invention to the particular exemplary embodiments disclosed, but to cover all modifications, equivalents, and alternatives falling within the scope of the disclosure. Like reference numerals refer to like elements throughout the description of the figures.

Referring to the drawings, the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present disclosure can be implemented, so that the present disclosure has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the disclosure of the present disclosure without affecting the efficacy and the achievable purpose of the present disclosure. Meanwhile, the positional limitation terms used in the present specification are for clarity of description only, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship therebetween may be regarded as the scope of the present invention without substantial changes in the technical content.

It will also be understood that the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items. It will be further understood that when an element or unit is referred to as being "connected" or "coupled" to another element or unit, it can be directly connected or coupled to the other element or unit or intervening elements or units may also be present. Moreover, other words used to describe the relationship between components or elements should be understood in the same manner (e.g., "between" versus "directly between," "adjacent" versus "directly adjacent," etc.).

Fig. 1 is a schematic diagram of the overall structure of a biosafety system for a pig farm according to an embodiment of the invention. As shown in fig. 1, this patent includes a pig farm biosafety system comprising an external biosafety system disposed outside the pig farm and an internal biosafety system within the pig farm, wherein the internal biosafety system is disposed within the pig farm; the external biological safety system comprises an off-site safety system which is arranged outside the pig farm and within 1km of the pig farm; and a peripheral safety system at a position 1km-10km away from the pig farm. The peripheral safety system, the off-site safety system and the internal biological safety system of the pig farm biological safety system can only circulate in one direction;

the peripheral safety system comprises a peripheral personnel disinfection channel for disinfecting personnel and personal articles, a vehicle disinfection channel for disinfecting vehicles for transporting goods and personnel, and a goods and materials disinfection channel for disinfecting incoming goods and materials, wherein all the inlet and outlet channels of all the components of the peripheral safety system can only flow in one direction;

the off-site safety system comprises an off-site personnel disinfection channel for disinfecting personnel and articles entering the pig farm and a vehicle disinfection channel for drying and disinfecting vehicles, and all the inlet and outlet channels of all the components of the off-site safety system can only flow in one direction;

in addition, the off-site safety system and the peripheral safety system also comprise a moving-out pig platform, so that pigs can be conveniently moved out of the pig farm or the peripheral safety system.

The in-site area safety system comprises a production line personnel disinfection channel, a production line material disinfection channel, a road disinfection vehicle for disinfecting the internal road and facilities of the pig farm, a living area and production area enclosure, a front dressing room, a material warehouse for storing materials in the pig farm and a pig outlet platform for transporting pigs out of or into the pig house, wherein all the components of the in-site area safety system can only flow in one direction through the in-and-out channels;

in the patent, firstly, the personnel, materials and vehicles entering the pig farm are disinfected beyond the preset distance of the pig farm, such as 1-3 km, so that the personnel, materials and vehicles can be ensured to carry no germs as much as possible. In addition, personnel and materials must enter the pig farm through vehicles, the vehicles need to be closed, the vehicles drive into the pig farm according to a specified route, and the specified route is disinfected regularly through a sprinkler.

And secondly, arranging an off-site safety system close to the periphery of the pig farm, for example within 1km, thereby ensuring that factory personnel return to the factory and do not carry any germs.

It is worth mentioning that the access to the external safety system can only be one-way circulation, for example, people, vehicles, materials and the like move out of the off-site safety system, and can enter the field only through the disinfection treatment of the off-site safety system when returning; when people and vehicles move out of the peripheral safety system, people and vehicles need to go back to the field only after being disinfected by the peripheral safety system.

In addition, the classification disinfection treatment is carried out on the transport vehicles, personnel and goods to enter the pig farm, and different disinfection strategies can be adopted for various goods in the classification disinfection treatment, for example, for the personnel, the personnel can take a shower and change sanitary clothes, for the goods or goods, the drying disinfection and soaking disinfection can be carried out, and for the vehicles, the drying disinfection treatment is required outside the pig farm.

In addition, an internal biosafety system is adopted in the pig farm, and high-standard and comprehensive disinfection and safety prevention are adopted in the pig farm, for example, roads and facilities in the pig farm are disinfected regularly by a road disinfection vehicle for disinfecting the roads and facilities in the pig farm; isolating germs in the living area by enclosing the living area and the production area; the front dressing room ensures that people in the living area enter the production area to replace working clothes and avoid carrying personal articles; the personnel and materials entering the pigsty are ensured not to carry any germs through the personnel and material disinfection channel in the production area; through the isolation measure of the pig outlet platform, the pig farm is sealed in the channel for conveying pigs outwards and receiving pigs inwards, so that the invasion of bacteria, viruses and other harmful substances is avoided.

In one embodiment, the disinfection channels of the external biosafety system are all human separation channels, and each disinfection channel comprises an article disinfection channel and a human disinfection channel. The article disinfection passageway of personage's separation disinfection passageway is provided with the pass-through box, the pass-through box reduces the pollution to the toilet to minimum for avoiding clean area direct exposure in dirty district, locates the equipment that is used for smallclothes article transmission between clean district and the dirty district, possesses interlock and ultraviolet sterilization function.

According to the requirement, the peripheral safety system can be an independent functional unit which is arranged at a distance of 3km away from the pig farm and is used for performing shower disinfection on the entering personnel and drying or soaking disinfection on the entering materials, and the peripheral safety system is provided with facilities and equipment such as a drying room, a soaking pool, a shower channel, a delivery window and the like and has the characteristic of unidirectional flow. The multifunctional shower room is provided with equipment such as a dormitory, a restaurant, a shower channel, a delivery window and a packer, and has the characteristic of unidirectional flow.

In addition, the off-site area safety system can be further divided into an area peripheral safety subsystem and a secondary isolation area safety subsystem, wherein the area peripheral safety subsystem comprises a trench, a barbed wire, a fence, a drying room and a monitoring system; the secondary isolation area safety subsystem comprises facilities such as a front entrance guard, a field material disinfection room, an entrance guard, a pig outlet room and shower rooms on two sides, a pig elimination outlet platform, a transfer material tower, a material tower enclosure, an external kitchen, a chef dormitory, an food material and material disinfection room, an oxidation pond, a harmless treatment center, a harmless transfer platform, an off-site specialist shower room and a dormitory.

In addition, in order to reduce the risk of returning the vehicle to the field, the inside and the outside of the vehicle need to be thoroughly disinfected for personnel receiving the vehicle to the field, the whole process of transportation needs to be paid attention to without opening a window, and the personnel can not get off the vehicle midway.

Generally, each protection system flows in a one-way mode from the entrance to the exit until the pigsty, and particularly relates to a sterilization and disinfection related channel, such as a personnel disinfection channel, wherein the entrance and the exit cannot be opened simultaneously, and only the entrance is closed, the disinfection process is completed, and the exit cannot be opened, but other disinfection systems also operate by the principle. On the contrary, the leaving is also a one-way circulation process, that is, after the personnel and the vehicles move out of a certain system, the personnel and the vehicles cannot return as they go, and if the personnel and the vehicles need to enter, the personnel and the vehicles need to be sterilized and disinfected.

Fig. 2 is a schematic plan view of a pigsty protection system in an internal biosafety system of a pig farm according to an embodiment of the invention.

In fig. 2, a material sterilizing area 1500, a material soaking room 1501, a material drying room 1502 and a material operating room 1600 form a material sterilizing channel; wherein the first changing room 1401, the entering person shower 1402 and the second changing room 1403 form a going person disinfection passage; 500 is a pigsty production area; 610 is a pig outlet station.

Specifically, when people enter a room, the people cannot carry any articles, the people enter the first changing room 1401 to take off clothes, the people enter the shower room 1402 through the entrance to be disinfected, the entrance of the shower room 1402 is closed, the disinfection is started, the entrance of the shower room 1402 and the exit of the shower room 1402 are closed, the entrance of the shower room 1402 and the exit of the shower room 1402 cannot be opened in the disinfection process, the exit of the shower room 1402 can be opened after the disinfection time is 20 minutes, the people enter the second changing room 1403 of the clean area after the disinfection is finished, work clothes are changed, and the people enter the pig farm 500 or the material operating room 1600 to work.

When the materials enter the field, the goods and materials are unloaded by the goods and materials transportation vehicle in the 1500 position of the material to be disinfected, the non-clean area staff puts the materials to be disinfected into the 1501 or 1502 for disinfection, the door is closed, the 1501 and 1502 door is closed at the same time in the disinfection process, when the materials are disinfected, the 1501 and 1502 door is opened, and the materials are sorted or classified in the 1600 operation room;

when going out the pig in the pig house, go out pig platform 610 pig house end door and open, outside end door can not open this moment, drives the pig to going out in the pig platform 610 passageway, closes pig house end door, and outside end door can open this moment, opens out pig end door and drives the pig to transporting the pig car on, closes out pig end door.

On the contrary, when the pig house entered the pig, the end door outside the pig platform 610 was opened, will drive to the pig platform 610 passageway in from the freight train, and the pig house end door can not be opened this moment, closes the end door outside, and the pig house end door can be opened this moment, opens the pig house end door and drives the pig to the pig house in, closes the pig house end door.

In addition, the pig outlet table 610 is provided with a disinfection device, disinfection is required before use, and during disinfection, the two side end doors are closed at the same time to form a closed space, the disinfection mode can be ultraviolet disinfection, drying disinfection or spray disinfection or a combination of the ultraviolet disinfection, the drying disinfection temperature is preferably 60 ℃, and the disinfection time is preferably 20 min.

In addition, in this patent embodiment, the material disinfection passageway includes stoving disinfection passageway and soaking disinfection passageway, stoving disinfection passageway and soaking disinfection passageway disinfect to the article that can not soak and can soak entering pig farm respectively.

In addition, provide hot water shower equipment in the personnel disinfection passageway, the goods and materials disinfection room sets up heating device, wherein stoving disinfection passageway and adopt same set of heating device in the personnel disinfection passageway.

Fig. 3 is a schematic structural diagram of the pig platform device according to the embodiment of the invention. Fig. 4 is a schematic structural view of a rolling door of the pig platform device according to an embodiment of the invention.

As shown in fig. 3, the embodiment of the present invention includes a pig platform device, which includes a pig outlet channel 610 and doors at two ends of the pig outlet channel; one end of the pig outlet channel is a pigsty end and is connected to a pigsty, the door of the pig outlet channel is a pigsty end door 6101, the other end of the pig outlet channel is a pig outlet end door 6102; a pigsty end guardrail 6103 and a pig outlet end guardrail 6104 are respectively arranged between the pigsty end door and the pig outlet end door, the pigsty end guardrail 6103 is positioned behind the pigsty end door 6101 and is away from the pigsty end door 6101 by a first preset distance, and the pig outlet end guardrail 6104 is positioned behind the pig outlet end door 6102 and is away from the pig outlet end door 6102 by a second preset distance; the ceiling of the pig outlet channel is a transparent top, and the pig outlet end of the pig outlet channel is higher than the piggery end to form a ramp with a gradient of 5-30 degrees; the lower portion of the pig passageway has one or more support posts 6201, the one or more support posts 6201 support the pig passageway 610 to form the ramp.

The first preset distance and the second preset distance are selected according to terrain conditions and gradients, for example, the range of 0.5-1 m can be used, retention of pigs in the space can be prevented as much as possible, and convenience in operation can also be guaranteed.

Firstly, by utilizing the pig discharging platform device, the pigsty end door and the pig discharging end door can be opened and closed respectively, taking the pig discharging from the pigsty as an example, when the pig needs to enter the pig discharging channel, the pigsty end door is opened, the pig discharging end door is closed at the moment, when the pig completely enters the pig discharging channel, the pigsty end door is closed, and then the pig discharging end door is opened, so that the condition that the external air directly enters the pigsty to cause bacterial infection can be avoided. In addition, a pigsty end guardrail and a pig outlet end guardrail are arranged behind the pigsty end door and the pig outlet end door, and when the pigsty end door or the pig outlet end door is closed, the pigsty end door or the pig outlet end door is protected from being damaged by closing the pigsty end guardrail or the pig outlet end guardrail. In addition, through the ramp that forms, can let out the pig and directly get into boxcar, it is very convenient to carry.

In addition, in an embodiment of the present invention, the ground of the pig exit passageway 610 includes a gravity sensor 6105, the pig exit platform device includes a control unit and a driving unit for respectively driving the piggery end gate 6101 and the pig exit end gate 6102, the piggery end guardrail 6103 and the pig exit end guardrail 6104, and the control unit is connected to the gravity sensor 6105 and the driving unit.

Because the ground of going out the pig passageway includes gravity sensor 6105, consequently can whether the auto-induction pig has got into out the pig passageway to and the position between a pig passageway, give the control unit with the response result transmission, and the control unit passes through drive unit drive pig house end door 6101 and go out pig end door 6102, opening and closing of pig house end guardrail 6103 and a pig end guardrail 6104, just can realize the automatic control that pig passageway 610 opened and close.

In addition, in a specific embodiment of the present invention, a piggery end drainage groove and a piggery end drainage groove are respectively included between the piggery end door 6101 and the piggery end door 6102 of the pig outlet channel 610, the piggery end drainage groove is located between the piggery end door 6101 and the piggery end guardrail 6103, the piggery end drainage groove is located between the piggery end door 6102 and the piggery end guardrail 6104, and the piggery end drainage groove penetrate through the pig outlet channel 620 and are covered with a perforated cover plate.

The pig house end drainage groove and the pig outlet end drainage groove that set up between the pig house end door 6101 and the pig outlet end door 6102 of a pig channel can be with the water in the pig channel 610, or the spray disinfection liquid is discharged outside the pig channel 610, avoid the pollution in the pig house that flows into such as sewage, cause.

In addition, in a specific embodiment of the present invention, a spray disinfection device is disposed in the pig outlet channel 610, the spray disinfection device includes one or more spray heads 61061 disposed on a ceiling of the pig outlet channel, the pig outlet platform device further includes a humidity sensor, the humidity sensor is also disposed on the ceiling of the pig outlet channel and is spaced apart from the spray heads 61061, and the humidity sensor is connected to the control unit.

Through the arrangement of the invention, after the pig outlet channel 610 is emptied, spray disinfection can be realized, disinfectant is uniformly dispersed in the pig outlet channel 610, the humidity sensor can detect the humidity in the pig outlet channel 610, and the humidity sensor cannot be directly sprayed by the spray head 61061 to cause wrong detection results. When the concentration (humidity) of the liquid medicine in the pig outlet passage 610 reaches a preset threshold value, the bacteria can be effectively killed by carrying out closed disinfection for a certain time.

Still alternatively, in a specific embodiment of the present invention, a heating and sterilizing device is disposed in the pig exit passage 610, the heating and sterilizing device includes a heating device disposed on a bottom surface of the pig exit passage 610, the pig exit table device further includes a temperature sensor, the temperature sensor is disposed on a ceiling of the pig exit passage 610, and the temperature sensor is connected to the control unit.

Through the arrangement of the invention, drying and disinfection can be realized after the pig channel 610 is emptied, and experimental results show that the drying and disinfection with high enough temperature and long enough time can kill most pathogens, avoid mildew and is easy to clean. When the temperature of the air in the pig outlet passage 610 reaches a predetermined temperature threshold, the bacteria can be effectively killed by maintaining the drying and disinfection for a certain time, for example, drying at 60 ℃ for 60 min.

In addition, in an embodiment of the present invention, as shown in fig. 4, the pigsty end door 6101 and the pig exit end door 6102 are rolling doors, a flange 61021 protruding from both sides is provided at a lower end of the rolling door, a meshing device is provided at a position of a bottom surface of the pig exit channel corresponding to the pigsty end door and the pig exit end door, the meshing device includes a right-angled hook 61022 disposed at both sides of the rolling door, one end of the right-angled hook 61022 has a threaded through hole, and the other end is a free meshing end; the thread directions of the thread through holes of the two opposite right-angle shaped hooks 61022 are opposite and are meshed with the thread shaft 61023 together, the thread directions of the thread through holes of the two right-angle shaped hooks 61022 are also opposite, when the thread shaft 61023 rotates, the right-angle shaped hooks 61022 opposite at two sides are meshed with each other to form a locking state or a releasing state of the meshing device, and when the meshing device is in the locking state, the free meshing ends of the right-angle shaped hooks 61022 opposite at two sides are meshed with the flange 61021 at the lower end of the rolling door.

Through the arrangement of the invention, when the driving device drives the rolling door to be in a closed state, the lower end of the rolling door is locked through the meshing device, so that the rolling door is prevented from being opened by mistake. The right-angle hooks 61022 arranged oppositely are driven by the same threaded shaft 61023, and a locking state or a releasing state of the engagement device can be formed by a simple structure, and locking of the shutters 6101, 6102 can be ensured, and upward movement cannot be performed.

In addition, in one embodiment of the invention, the pig outlet end is provided with a winch group at the top and is used for connecting a vehicle outside the pig platform device to pull out the pigs in the pig outlet channel.

When will large-scale pig car of dying goes out the house among the actual operation, because the pig is heavier, and has certain slope, the manual work will be pulled the pig car and pushed to the pig platform of going out more difficultly, with the help of going out the hank group at pig platform end top, will pull the pig car of dying through outside vehicle and drag out.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be protected by the following claims.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (12)

1. The biological safety system for the pig farm comprises an internal biological safety system arranged in the pig farm and an external biological safety system outside the pig farm, and is characterized by comprising a production line personnel disinfection channel, a production line material disinfection channel, a road disinfection vehicle for disinfecting internal roads and facilities of the pig farm, a living area and a production area enclosure, a front changing clothes room, a material warehouse for storing materials in the pig farm and a pig outlet platform for transporting the pigs out of or into the pig farm, wherein all the components of the access channel of the internal safety system can only flow in one direction.

2. The pig farm biosafety system of claim 1, wherein the external biosafety system and the internal biosafety system are each one-way only.

3. The pig farm biosafety system of claim 1, wherein the personnel and materials decontamination tunnels employ the same set of heating equipment.

4. The pig farm biosafety system of claim 1, wherein the external biosafety system comprises a peripheral safety system arranged outside a predetermined distance from the pig farm and an off-site safety system arranged outside the pig farm and inside the peripheral safety system, the peripheral safety system comprises a peripheral personnel disinfection channel for disinfecting personnel and personal items, a vehicle disinfection channel for disinfecting transport materials and vehicles of the personnel, and a material disinfection channel for disinfecting and buffering pig farm materials, and the personnel disinfection channel, the vehicle disinfection channel and the material disinfection channel are all in one-way circulation; the off-site safety system comprises an off-site personnel disinfection channel for disinfecting personnel and articles entering the pig farm and a vehicle disinfection channel for disinfecting vehicles.

5. The pig farm biosafety system of claim 4, wherein the peripheral safety system and the offsite safety system are provided with a removal pig station for removing pigs.

6. The pig farm biosafety system of claim 4, wherein the peripheral personnel sanitizing lane and offsite personnel sanitizing lane are people separation lanes, including an item sanitizing lane and a personnel sanitizing lane, respectively.

7. The pig farm biosafety system of claim 4, wherein the item decontamination lane comprises a dry decontamination lane and a soak decontamination lane, the dry decontamination lane and the soak decontamination lane decontaminate non-soakable and soakable items entering the pig farm, respectively.

8. The pig farm biosafety system of claim 1 or 4, wherein the material disinfection lane comprises a dry disinfection lane and a soak disinfection lane, the dry disinfection lane and the soak disinfection lane disinfecting non-soakable and soakable materials entering the pig farm, respectively.

9. The pig farm biosafety system according to claim 1 or 4, wherein the pig exit station comprises a pig exit passageway and doors at both ends of the pig exit passageway; one end of the pig outlet channel is a pigsty end and is connected to a pigsty, a door of the pig outlet channel is a pigsty end door, the other end of the pig outlet channel is a pig outlet end door; a pigsty end guardrail and a pig outlet end guardrail are arranged between the pigsty end door and the pig outlet end door respectively, the pigsty end guardrail is positioned behind the pigsty end door and is a first preset distance away from the pigsty end door, and the pig outlet end guardrail is positioned behind the pig outlet end door and is a second preset distance away from the pig outlet end door; the ceiling of the pig outlet channel is a transparent top, and the pig outlet end of the pig outlet channel is higher than the piggery end to form a ramp with a gradient of 5-30 degrees; the lower part of the pig outlet channel is provided with one or more than one group of supporting columns which support the pig outlet channel to form the ramp.

10. The pig farm biosafety system of claim 9, wherein a disinfection device is disposed within the pig exit passageway.

11. The pig farm biosafety system of claim 10, wherein the disinfection device is a spray disinfection device comprising one or more spray heads disposed on a pig exit aisle ceiling, the pig exit station further comprising a humidity sensor also disposed on the pig exit aisle ceiling spaced apart from the spray heads, the humidity sensor connected to the control unit.

12. The pig farm biosafety system of claim 10, wherein the disinfection device is a heat disinfection device comprising a heating apparatus disposed on a floor of the pig exit lane, the pig exit station further comprising a temperature sensor disposed on a ceiling of the pig exit lane, the temperature sensor being connected to the control unit.

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