CN223542703U - A sterile pigsty air filtration and purification device - Google Patents
A sterile pigsty air filtration and purification deviceInfo
- Publication number
- CN223542703U CN223542703U CN202422872179.1U CN202422872179U CN223542703U CN 223542703 U CN223542703 U CN 223542703U CN 202422872179 U CN202422872179 U CN 202422872179U CN 223542703 U CN223542703 U CN 223542703U
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- fixedly connected
- box
- plate
- outer side
- purifying
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Abstract
本实用新型涉及猪舍空气净化技术领域，且公开了一种无菌猪舍空气过滤净化装置，解决了目前猪舍内的污浊空气容易对畜禽和饲养员健康造成威胁的问题，其包括净化箱，所述净化箱的底部固定连接有排水箱，净化箱的外侧固定连接有进气管，净化箱上设有净化机构和固定机构，净化机构包括位于净化箱内部的喷管，喷管的底部均匀设有多个喷头，喷管的顶部固定连接有硬管，硬管的顶端固定连接有支撑轴，支撑轴的顶端与净化箱的内顶壁转动连接，净化箱的内部固定安装有位于喷管下方的内板；本实用新型，通过连接管和过滤箱以及滤板和光触媒层之间的配合，便于对空气再次净化，从而便于对猪舍内的空气进行净化处理。
This utility model relates to the field of pigsty air purification technology and discloses a sterile pigsty air filtration and purification device, which solves the problem that polluted air in pigsties can easily threaten the health of livestock and poultry and breeders. It includes a purification box, with a drainage box fixedly connected to the bottom and an air inlet pipe fixedly connected to the outside of the purification box. The purification box is equipped with a purification mechanism and a fixing mechanism. The purification mechanism includes a spray pipe located inside the purification box, with multiple nozzles evenly distributed at the bottom of the spray pipe. A rigid pipe is fixedly connected to the top of the spray pipe, and a support shaft is fixedly connected to the top of the rigid pipe. The top of the support shaft is rotatably connected to the inner top wall of the purification box. An inner plate located below the spray pipe is fixedly installed inside the purification box. This utility model, through the cooperation between the connecting pipe and the filter box, as well as the filter plate and photocatalyst layer, facilitates the re-purification of air, thereby facilitating the purification of air in pigsties.
Description
Technical Field
The utility model belongs to the technical field of pig house air purification, and particularly relates to an aseptic pig house air filtering and purifying device.
Background
With the intensive and industrial pig raising industry, the environmental control problem of the pig house is gradually emphasized, the degree of standardization of pig raising is continuously increased in recent years, however, in severe cold winter or in hot summer, due to high-density raising, when the pig house is poorly ventilated, air in the pig house becomes dirty, and the air has bioactive dust and toxic gases emitted from the manure accumulated in the house, so that the upper respiratory mucosa of pigs is stimulated, the resistance is reduced, the proportion of commensal microorganisms in the upper respiratory tract is disordered, and non-pathogenic microorganisms become pathogenic microorganisms, so that respiratory diseases are caused.
Disclosure of utility model
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the sterile pig house air filtering and purifying device, which effectively solves the problem that the polluted air in the pig house is easy to cause threat to the health of livestock and poultry and breeders.
The utility model provides a technical scheme that the sterile pig house air filtering and purifying device comprises a purifying box, wherein the bottom of the purifying box is fixedly connected with a drainage box, the outer side of the purifying box is fixedly connected with an air inlet pipe, and the purifying box is provided with a purifying mechanism and a fixing mechanism;
The purifying mechanism comprises a spray pipe positioned inside the purifying box, a plurality of spray heads are uniformly arranged at the bottom of the spray pipe, a hard pipe is fixedly connected to the top of the spray pipe, a supporting shaft is fixedly connected to the top end of the hard pipe and is rotationally connected with the inner top wall of the purifying box, an inner plate positioned below the spray pipe is fixedly arranged at the inner part of the purifying box, a stirring shaft is rotationally connected to the bottom of the inner plate, a plurality of stirring blades are uniformly and fixedly connected to the outer side of the stirring shaft, a connecting pipe is fixedly arranged at the top of the purifying box, a filtering box is fixedly connected to one end of the connecting pipe, which is far away from the purifying box, an exhaust pipe is fixedly connected to one side of the filtering box, and a filter plate and a photocatalyst layer are arranged inside the filtering box.
Preferably, the top fixed mounting of purifying box has L type seat, fixedly connected with rotating electrical machines on the L type seat, fixedly connected with drive shaft on the rotating electrical machines, and the bottom of drive shaft runs through the inner panel, and the outside fixed mounting of drive shaft has driving gear, and the outside fixed mounting of back shaft has driven gear, and driven gear is connected with driving gear meshing, and the transmission is connected with the conveyer belt between drive shaft and the (mixing) shaft.
Preferably, the inside of purifying box is equipped with the filter frame that is located the (mixing) shaft below, and the outside fixedly connected with water pump of purifying box is fixedly connected with drinking-water pipe between water pump and the drain tank, and the outside fixedly connected with bellows of hard tube is fixedly connected with raceway between bellows and the water pump.
Preferably, the top fixedly connected with kicking block of rose box, the outside activity of kicking block has cup jointed the top mounting panel, the bottom fixedly connected with top sealing washer and the top shutoff board of top mounting panel, the outside at the top shutoff board is fixed to the top sealing washer and is laminated with the rose box, the top of rose box is equipped with the roof groove, the top shutoff board inserts in the roof groove, filter plate and photocatalyst layer all set up the bottom at the top shutoff board, the outside fixedly connected with U template of rose box, the top of U template is fixed in to the rose box, the locating plate has been cup jointed in the outside activity of U template, the bottom fixedly connected with side mounting panel of locating plate, one side fixedly connected with side shutoff board and side sealing washer that the side mounting panel is close to the rose box, the outside of rose box is equipped with the side groove, side shutoff board inserts in the side groove and with filter frame fixed connection.
Preferably, the fixed establishment is including being fixed in the inboard stand of U template, and the outside activity of stand has cup jointed the swivel nut, and the outside fixedly connected with of swivel nut is at the bottom of picture peg, and the top of locating plate is equipped with the top slot, and in the bottom picture peg inserted the top slot, fixedly mounted has driving motor on the interior diapire of U template, fixedly connected with screw rod on the driving motor, the top of screw rod rotates with the interior roof of U template to be connected, and the swivel nut screw cup joints in the outside of screw rod.
Preferably, two L-shaped round rods are symmetrically and fixedly connected between the U-shaped plate and the filter box, a movable frame is movably sleeved between the two L-shaped round rods, the bottom of the movable frame is rotatably connected with a movable rod, the bottom end of the movable rod is rotatably connected with a bottom plugboard, the movable frame is sleeved on the outer side of the filter box, a side plug block is fixedly connected to one side of the movable frame, which is close to the top mounting plate, a side slot is formed in one side, which is close to the movable frame, of the top mounting plate, and the side plug block is inserted into the side slot.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, through the cooperation among the water suction pipe, the water pump, the water delivery pipe, the corrugated hose, the hard pipe, the spray pipe and the spray head, air extracted from the pig house is conveniently sprayed, and through the cooperation among the rotating motor, the driving shaft, the conveyor belt and the stirring shaft, the stirring blade is conveniently rotated to enable the air to be fully contacted with water, and through the cooperation among the driving gear, the driven gear and the supporting shaft, the spray pipe is conveniently and reciprocally rotated to uniformly spray, the air can be purified, and through the cooperation among the connecting pipe, the filter box, the filter plate and the photocatalyst layer, the air is conveniently purified again, so that the air in the pig house is conveniently purified;
2. This is novel through locating plate, U template, side mounting panel, side seal circle, cooperation between side shutoff board and the side tank, the filter frame of being convenient for is placed in the purifying box, can carry out filtration treatment to the water after spraying, thereby be convenient for the cyclic utilization of water, and through the kicking block, the top mounting panel, the cooperation between top seal circle, top shutoff board and the roof tank, be convenient for filter plate and photocatalyst layer place and purify the air in the filter box, and through driving motor, the screw rod, the swivel nut, the stand, end picture peg, movable rod, cooperation between movable frame and the L type round bar, the end picture peg of being convenient for inserts the top slot and fixes the filter frame, and make in the side picture peg inserts the side slot, thereby be convenient for filter plate and photocatalyst layer's installation.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
In the drawings:
FIG. 1 is a schematic diagram of the air filtering and purifying device of the sterile pigsty;
FIG. 2 is a schematic cross-sectional view of the purifying tank of the present utility model;
FIG. 3 is a schematic diagram of the purification mechanism of the present utility model;
FIG. 4 shows the present utility model a spray pipe structure schematic diagram;
FIG. 5 is a schematic cross-sectional view of the filter box of the present utility model;
FIG. 6 is a schematic structural view of the fixing mechanism of the present utility model.
In the figure, 1, a purifying box, 2, a purifying mechanism, 201, a spray pipe, 202, a stirring blade, 203, a filter frame, 204, a water suction pipe, 205, a side sealing plate, 206, a side sealing ring, 207, a side mounting plate, 208, a positioning plate, 209, a top slot, 2010, a U-shaped plate, 2011, a filter box, 2012, an exhaust pipe, 2013, a connecting pipe, 2014, a water pump, 2015, a water conveying pipe, 2016, a corrugated hose, 2017, a supporting shaft, 2018, a driven gear, 2019, a driving shaft, 2020, an L-shaped seat, 2021, a rotating motor, 2022, a driving gear, 2023, a spray head, 2024, an inner plate, 2025, a conveying belt, 2026, a stirring shaft, 2027, a hard pipe, 2028, a side slot, 2029, a top block, 2030, a top sealing ring, 2031, a top mounting plate, 2, a top slot, 2033, a top sealing plate, 2034, a filter plate, 2035, a light layer, 3, a fixing mechanism, 301, a stand column, 302, a screw sleeve, 303, a motor, 304, a screw rod, a driving gear, 306, a movable rod, 307, a bottom plate, 307, a movable plug, a bottom plate, 308, a movable plug, a side plug, a water inlet pipe, a side plug, a water pipe, a water inlet pipe, a 2026, a movable plug, a water inlet pipe, a water pipe, a lifting box, a lifting plug, a 2026, a water pipe, a lifting plug, a lifting plate, and a lifting plate.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
The utility model relates to an air filtering and purifying device for a sterile pig house, which is provided with a purifying box 1, wherein the bottom of the purifying box 1 is fixedly connected with a drainage box 4, the outer side of the purifying box 1 is fixedly connected with an air inlet pipe 5, air in the pig house is led out of the purifying box 1 from the air inlet pipe 5 through an induced draft fan, the purifying box 1 is provided with a purifying mechanism 2 and a fixing mechanism 3, the drainage box 4 is provided with a water inlet and a water outlet, the water is convenient to add and discharge, and the water inlet and the water outlet are both provided with sealing plugs.
Specifically, as shown in fig. 3-5, the purifying mechanism 2 comprises a spray pipe 201 positioned in the purifying box 1, a plurality of spray heads 2023 are uniformly arranged at the bottom of the spray pipe 201, a hard pipe 2027 is fixedly connected at the top of the spray pipe 201, a supporting shaft 2017 is fixedly connected at the top end of the hard pipe 2027, the top end of the supporting shaft 2017 is rotatably connected with the inner top wall of the purifying box 1, an inner plate 2024 positioned below the spray pipe 201 is fixedly installed in the purifying box 1, a stirring shaft 2026 is rotatably connected at the bottom of the inner plate 2024, a plurality of stirring blades 202 are uniformly and fixedly connected at the outer side of the stirring shaft 2026, a connecting pipe 2013 is fixedly installed at the top of the purifying box 1, a filter box 2011 is fixedly connected at one end of the connecting pipe 2013 away from the purifying box 1, an exhaust pipe 2012 is fixedly connected at one side of the filter box 2011 away from the connecting pipe 2013, an ultraviolet disinfection lamp is arranged in the filter box 2011, the photocatalyst layer 2035 is irradiated by an ultraviolet disinfection lamp, so that the air can be sterilized and deodorized, an L-shaped seat 2020 is fixedly arranged at the top of the purifying box 1, a rotary motor 2021 is fixedly connected to the L-shaped seat 2020, a driving shaft 2019 is fixedly connected to the rotary motor 2021, the bottom end of the driving shaft 2019 penetrates through an inner plate 2024, a driving gear 2022 is fixedly arranged at the outer side of the driving shaft 2019, a driven gear 2018 is fixedly arranged at the outer side of the supporting shaft 2017, the driven gear 2018 is meshed with the driving gear 2022, a conveyor belt 2025 is connected between the driving shaft 2019 and the stirring shaft 2026 in a transmission manner, a filter frame 203 positioned below the stirring shaft 2026 is arranged inside the purifying box 1, a connecting part between the air inlet pipe 5 and the purifying box 1 is positioned above the filter frame 203, a water pump 2014 is fixedly connected to the outer side of the purifying box 1, a water pumping pipe 204 is fixedly connected between the water pump 2014 and the purifying box 4, a corrugated hose 2016 is fixedly connected to the outer side of the hard pipe 2027, the water pipe 2015 is fixedly connected between the corrugated hose 2016 and the water pump 2014, the top of the filter box 2011 is fixedly connected with the top block 2029, the top mounting plate 2031 is movably sleeved on the outer side of the top block 2029, the top sealing ring 2030 and the top sealing plate 2033 are fixedly connected to the bottom of the top mounting plate 2031, the top sealing ring 2030 is fixedly connected to the outer side of the top sealing plate 2033 and is attached to the filter box 2011, the tightness of the filter box 2011 is guaranteed through the action of the top sealing ring 2030, the top of the filter box 2011 is provided with the top groove 2032, the top sealing plate 2033 is inserted into the top groove 2032, the filter plate 2034 and the photocatalyst layer 2035 are both arranged at the bottom of the top sealing plate 2033, the outer side of the purifying box 1 is fixedly connected with the U-shaped plate 2010, the filter box 2011 is fixedly connected to the top of the U-shaped plate 2010, the outer side of the U-shaped plate 2010 is movably sleeved with the positioning plate 208, the side sealing plate 205 and the side sealing ring 206 are fixedly connected to the bottom of the side mounting plate 208, one side of the side mounting plate 207, the side of the side sealing plate 205 is fixedly connected to the side sealing plate 205 and the side sealing plate 206, the side 206 is fixedly connected to the side sealing plate 205 and is attached to the outer side of the side sealing plate 205, and is provided with the side sealing groove 203 and is fixedly connected to the side sealing box 1 through the sealing groove 203, and is fixedly connected to the sealing box 6;
In the use state, firstly, air in a pig house is introduced into the purifying box 1 from the air inlet pipe 5, then the water pump 2014 is started, water in the water draining box 4 is pumped through the water pumping pipe 204, then the water is sprayed out of each spray nozzle 2023 through the water pipe 2015, the corrugated hose 2016, the hard pipe 2027 and the spray pipes 201, spray purification of the air is achieved, the sprayed water enters the water draining box 4 again through the filtering action of the filter frame 203 for use, then the rotating motor 2021 is started, the driving shaft 2019 is driven to rotate, the stirring shaft 2026 is driven to rotate through the conveying belt 2025, the stirring blades 202 are driven to stir the air, the air is fully contacted with the water, meanwhile, the driving gear 2022 is driven to rotate, and the driving gear 2022 is meshed with the driven gear 2018, so that the supporting shaft 2017 is driven to rotate, the spray pipes 201 are driven to rotate reciprocally and evenly, the purification efficiency of the air is improved, then the air rises to enter the filtering box 2011 through the connecting pipes 2013, the filtering plate 2034 is purified again, the air is filtered through the photocatalyst layer 2035, and finally the sterilization and purification of the air in the pig house is completed.
Specifically, as shown in fig. 6, the fixing mechanism 3 includes a column 301 fixed on the inner side of the U-shaped plate 2010, a threaded sleeve 302 is movably sleeved on the outer side of the column 301, a bottom inserting plate 305 is fixedly connected on the outer side of the threaded sleeve 302, a top inserting groove 209 is formed in the top of the positioning plate 208, the bottom inserting plate 305 is inserted into the top inserting groove 209, a driving motor 304 is fixedly mounted on the inner bottom wall of the U-shaped plate 2010, a screw 303 is fixedly connected on the driving motor 304, the top end of the screw 303 is rotatably connected with the inner top wall of the U-shaped plate 2010, the threaded sleeve 302 is in threaded sleeve connection with the outer side of the screw 303, two L-shaped round rods 307 are symmetrically and fixedly connected between the U-shaped plate 2010 and the filtering box 2011, a movable frame 308 is movably sleeved between the two L-shaped round rods 307, a movable frame 306 is rotatably connected on the bottom of the movable frame 308, a side inserting block 309 is rotatably connected with the bottom inserting plate 305, the movable frame 308 is sleeved on the outer side of the filtering box 2011, one side of the movable frame 308, which is close to the top mounting plate 2031, a side inserting block 309 is fixedly connected with a side inserting block 309, and the side inserting block 2028 is inserted into the side inserting groove 2028.
In the use state, the positioning plate 208 is sleeved on the outer side of the U-shaped plate 2010 at first, the filter frame 203 penetrates through the side groove 6 to enter the purifying box 1 until the side plugging plate 205 is inserted into the side groove 6, the side sealing ring 206 is attached to the purifying box 1, then the top mounting plate 2031 is sleeved on the outer side of the top block 2029, the filter plate 2034 and the photocatalyst layer 2035 penetrate through the top groove 2032 to enter the filtering box 2011 until the top plugging plate 2033 is inserted into the top groove 2032, the top sealing ring 2030 is attached to the filtering box 2011, then the driving motor 304 is started, the screw 303 is driven to rotate, the screw sleeve 302 is driven to slide along the upright post 301, the bottom 305 is driven to descend, meanwhile, the movable frame 308 is driven to slide along the two L-shaped round rods 307 through the movable rod 306, when the bottom plugging plate 305 is inserted into the top slot 209, the side plugging block 309 is inserted into the side slot 2028, thereby fixing the filter frame 203 in the purifying box 1 to filter water, recycling is realized, and meanwhile, the filter plate 2034 and the photocatalyst layer 2035 are mounted in the filtering box 2011 to spray the air.
Claims (6)
1. The sterile pig house air filtering and purifying device comprises a purifying box (1) and is characterized in that a drainage box (4) is fixedly connected to the bottom of the purifying box (1), an air inlet pipe (5) is fixedly connected to the outer side of the purifying box (1), and a purifying mechanism (2) and a fixing mechanism (3) are arranged on the purifying box (1);
Purifying mechanism (2) including being located inside spray tube (201) of purifying box (1), the bottom of spray tube (201) evenly is equipped with a plurality of shower nozzles (2023), the top fixedly connected with hard tube (2027) of spray tube (201), the top fixedly connected with back shaft (2017) of hard tube (2027), the top of back shaft (2017) rotates with the interior roof of purifying box (1) to be connected, the inside fixed mounting of purifying box (1) is located inner panel (2024) of spray tube (201) below, the bottom rotation of inner panel (2024) is connected with (2026), evenly fixedly connected with a plurality of stirring leaf (202) in the outside of (2026), the top fixed mounting of purifying box (1) has connecting pipe (2013), one end fixedly connected with rose box (2011) of purifying box (1) is kept away from to connecting pipe (2013), one side fixedly connected with blast pipe (2012) of keeping away from in rose box (2011), the inside of rose box (2011) is equipped with filter plate (2034) and light layer (2035).
2. The sterile pig house air filtering and purifying device according to claim 1, wherein an L-shaped seat (2020) is fixedly arranged at the top of the purifying box (1), a rotating motor (2021) is fixedly connected to the L-shaped seat (2020), a driving shaft (2019) is fixedly connected to the rotating motor (2021), the bottom end of the driving shaft (2019) penetrates through an inner plate (2024), a driving gear (2022) is fixedly arranged on the outer side of the driving shaft (2019), a driven gear (2018) is fixedly arranged on the outer side of the supporting shaft (2017), the driven gear (2018) is meshed with the driving gear (2022), and a conveying belt (2025) is in transmission connection between the driving shaft (2019) and the stirring shaft (2026).
3. The sterile pig house air filtering and purifying device according to claim 1, wherein a filter frame (203) positioned below a stirring shaft (2026) is arranged in the purifying box (1), a water pump (2014) is fixedly connected to the outer side of the purifying box (1), a water suction pipe (204) is fixedly connected between the water pump (2014) and the water drainage box (4), a corrugated hose (2016) is fixedly connected to the outer side of the hard pipe (2027), and a water pipe (2015) is fixedly connected between the corrugated hose (2016) and the water pump (2014).
4. The sterile pigsty air filtration purification device of claim 1, wherein the top of the filter box (2011) is fixedly connected with a top block (2029), a top mounting plate (2031) is movably sleeved on the outer side of the top block (2029), a top sealing ring (2030) and a top sealing plate (2033) are fixedly connected to the bottom of the top mounting plate (2031), the top sealing ring (2030) is fixed on the outer side of the top sealing plate (2033) and is attached to the filter box (2011), a top groove (2032) is formed in the top of the filter box (2011), the top sealing plate (2033) is inserted into the top groove (2032), a filter plate (2034) and a photocatalyst layer (2035) are both arranged at the bottom of the top sealing plate (2033), a U-shaped plate (2010) is fixedly connected to the outer side of the filter box (1), a positioning plate (208) is movably sleeved on the outer side of the U (2010), a side mounting plate (207) is fixedly connected to the bottom of the positioning plate (208), a side mounting plate (205) is fixedly connected to the outer side 206) of the filter box (2011), a side sealing plate (206) is fixedly connected to the outer side of the filter box (205) and is attached to the outer side of the filter box (1), the side plugging plate (205) is inserted into the side groove (6) and fixedly connected with the filter frame (203).
5. The sterile pig house air filtering and purifying device according to claim 1, wherein the fixing mechanism (3) comprises a stand column (301) fixed on the inner side of the U-shaped plate (2010), a threaded sleeve (302) is movably sleeved on the outer side of the stand column (301), a bottom inserting plate (305) is fixedly connected on the outer side of the threaded sleeve (302), a top inserting groove (209) is formed in the top of the positioning plate (208), the bottom inserting plate (305) is inserted into the top inserting groove (209), a driving motor (304) is fixedly installed on the inner bottom wall of the U-shaped plate (2010), a screw (303) is fixedly connected to the driving motor (304), the top end of the screw (303) is rotatably connected with the inner top wall of the U-shaped plate (2010), and the threaded sleeve (302) is in threaded sleeve connection with the outer side of the screw (303).
6. The sterile pig house air filtering and purifying device according to claim 4, wherein two L-shaped round rods (307) are symmetrically and fixedly connected between the U-shaped plate (2010) and the filtering box (2011), a movable frame (308) is movably sleeved between the two L-shaped round rods (307), the bottom of the movable frame (308) is rotatably connected with a movable rod (306), the bottom end of the movable rod (306) is rotatably connected with a bottom inserting plate (305), the movable frame (308) is sleeved on the outer side of the filtering box (2011), a side inserting block (309) is fixedly connected to one side of the movable frame (308) close to the top mounting plate (2031), a side inserting groove (2028) is formed in one side of the top mounting plate (2031) close to the movable frame (308), and the side inserting block (309) is inserted into the side inserting groove (2028).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422872179.1U CN223542703U (en) | 2024-11-25 | 2024-11-25 | A sterile pigsty air filtration and purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422872179.1U CN223542703U (en) | 2024-11-25 | 2024-11-25 | A sterile pigsty air filtration and purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223542703U true CN223542703U (en) | 2025-11-14 |
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ID=97633669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422872179.1U Active CN223542703U (en) | 2024-11-25 | 2024-11-25 | A sterile pigsty air filtration and purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223542703U (en) |
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- 2024-11-25 CN CN202422872179.1U patent/CN223542703U/en active Active
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