CN114272701A - Air purifier for epidemic disease prevention and control of livestock and poultry house - Google Patents
Air purifier for epidemic disease prevention and control of livestock and poultry house Download PDFInfo
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- CN114272701A CN114272701A CN202111457669.XA CN202111457669A CN114272701A CN 114272701 A CN114272701 A CN 114272701A CN 202111457669 A CN202111457669 A CN 202111457669A CN 114272701 A CN114272701 A CN 114272701A
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- 244000144972 livestock Species 0.000 title claims abstract description 28
- 244000144977 poultry Species 0.000 title claims abstract description 28
- 230000006806 disease prevention Effects 0.000 title abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000009434 installation Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 239000007921 spray Substances 0.000 claims abstract description 5
- 201000010099 disease Diseases 0.000 claims description 14
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 4
- 239000011435 rock Substances 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000009395 breeding Methods 0.000 description 4
- 230000001488 breeding effect Effects 0.000 description 4
- 230000036541 health Effects 0.000 description 4
- QMMFVYPAHWMCMS-UHFFFAOYSA-N Dimethyl sulfide Chemical compound CSC QMMFVYPAHWMCMS-UHFFFAOYSA-N 0.000 description 3
- 210000003608 fece Anatomy 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
Images
Classifications
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/70—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in livestock or poultry
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses an air purifier for epidemic disease prevention and control of livestock and poultry houses, which comprises a shell, wherein an installation cavity is arranged in the shell, an air outlet pipe and an air inlet pipe are respectively installed on the upper side wall and the lower side wall of the shell, the opposite ends of the air outlet pipe and the air inlet pipe extend into the installation cavity, the left inner wall and the right inner wall of the installation cavity are respectively and rotatably connected with a first rotating rod, connecting blocks are respectively and fixedly connected onto the two first rotating rods, a rotating disc is arranged in the installation cavity, first connecting rods are fixedly connected onto the left side wall and the right side wall of the rotating disc, the opposite ends of the two first connecting rods are respectively and rotatably connected with the corresponding connecting blocks, the upper end of the air inlet pipe is connected with the rotating disc, and a plurality of spray heads are installed on the rotating disc. The device drives the rolling disc through driving motor and realizes that the arc rocks from top to bottom, can effectual improvement air and the area of contact of water, improved purification efficiency, and the harmful substance in the air can be absorbed to the active carbon board, has improved purifying effect.
Description
Technical Field
The invention relates to the technical field of air purifiers, in particular to an air purifier for epidemic disease prevention and control in a livestock and poultry house.
Background
In the process of livestock and poultry breeding, due to the difference between livestock and poultry management and dung cleaning periods, a large amount of gas pollutants are generated, wherein the gas pollutants mainly come from the accumulation of protein-containing wastes such as livestock and poultry dung, fur, feed and the like, and are metabolized and anaerobically decomposed by microorganisms to generate odor gases such as ammonia gas, dimethyl sulfide, trimethylamine, hydrogen sulfide and the like, dust and the like, so that the health level of livestock and poultry breeding is seriously influenced;
the existing livestock and poultry breeding usually only adopts a ventilator to ensure the air circulation inside the livestock and poultry house, but dust exists in the introduced air, when the dust content is too much, the health of the livestock and poultry is easily affected, and impurities such as feces and urine of the livestock and poultry stacked outside cause the air to contain harmful substances, so that the health of the livestock and poultry and the health of breeding personnel are affected if the impurities are not purified in time.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an air purifier for preventing and controlling epidemic diseases in a livestock and poultry house.
In order to achieve the purpose, the invention adopts the following technical scheme:
an air purifier for preventing and controlling epidemic diseases in livestock and poultry houses comprises a shell, wherein an installation cavity is arranged in the shell, the upper and lower side walls of the shell are respectively provided with an air outlet pipe and an air inlet pipe, the opposite ends of the air outlet pipe and the air inlet pipe extend into the mounting cavity, the left inner wall and the right inner wall of the installation cavity are both rotationally connected with first rotating rods, the two first rotating rods are both fixedly connected with connecting blocks, a rotating disc is arranged in the mounting cavity, the left side wall and the right side wall of the rotating disc are fixedly connected with first connecting rods, the opposite ends of the two first connecting rods are rotatably connected with corresponding connecting blocks, the upper end of the air inlet pipe is connected with a rotating disc, a plurality of spray heads are arranged on the rotating disc, a driving motor is arranged on the right side of the shell, the tail end of an output shaft of the driving motor extends into the mounting cavity and is fixedly connected with the right end of the first rotating rod on the right side.
Preferably, the guide block is installed to the inner wall around the installation cavity, two all be equipped with the guide way in the guide block, inner wall fixedly connected with second connecting rod around the rolling disc, two the looks back of the body end of second connecting rod all rotates and is connected with supplementary piece, two supplementary piece and the guide way sliding connection who corresponds.
Preferably, two guide block and two auxiliary blocks are arc blocks, the board is placed to the right side fixedly connected with of casing, driving motor is located places the board upper end.
Preferably, two equal fixedly connected with sliding blocks in the upper and lower both sides of supplementary piece, two the upper and lower inner wall of guide way all is equipped with the sliding tray, every the sliding block is with the sliding tray inner wall sliding connection who corresponds.
Preferably, an inlet pipe and an outlet pipe are installed on the left side of the shell, and the right ends of the inlet pipe and the outlet pipe extend into the installation cavity.
Preferably, all install the valve on inlet tube and the outlet pipe, driving motor is servo motor.
Preferably, the air inlet pipe is a hose, and an activated carbon plate is arranged in the mounting cavity.
Preferably, every the shower nozzle all adopts atomizing nozzle, the material of casing is the stainless steel, the interior bottom of installation cavity is the inclined plane.
Preferably, the inner wall rotates about the installation cavity and is connected with the second dwang, install a plurality of puddlers on the second dwang, the right-hand member of second dwang runs through the casing, the drive wheel, two are all installed to the right-hand member of second dwang and driving motor's output shaft the rotation wheel passes through the drive belt and links to each other.
Preferably, the right side inner wall of installation cavity is equipped with the spacing groove, the right-hand member of activated carbon plate is located the spacing inslot, the left side of activated carbon plate is run through the casing and is installed the handle.
Compared with the prior art, the device has the advantages that:
1. according to the invention, by arranging the rotating disc, the first rotating rod, the connecting block, the first connecting rod and other structures, the driving motor can drive the rotating disc to swing up and down in an arc shape, so that air introduced by the air inlet pipe is fully contacted with a water body, dust and other substances in the air can be quickly absorbed, the water body can be stirred while the air is swung, and the absorption efficiency is further improved.
2. According to the invention, by arranging the second rotating rod, the driving wheel, the driving belt, the stirring rod and the like, when the driving motor is started, the stirring rod can be driven by the driving belt to stir the water body, so that the upper part of the water body is more fully contacted with the air, and the air can be quickly and effectively purified.
3. According to the invention, through arranging the activated carbon plate, the limiting groove, the handle and other structures, the activated carbon plate can absorb harmful substances in the air, and the activated carbon plate is installed on the limiting groove, so that the activated carbon plate can be quickly taken out through the handle for replacement, the operation is simple and quick, and the maintenance operation of later-stage workers is convenient.
Drawings
Fig. 1 is a schematic structural view of an air purifier for controlling an epidemic disease in a livestock and poultry house according to embodiment 1 of the present invention;
FIG. 2 is a top view of the rotary disk, the second connecting rod, the auxiliary block and the sliding block;
FIG. 3 is a perspective view of the guide block and the guide groove;
FIG. 4 is a schematic structural view of example 2 of the present invention;
fig. 5 is a schematic structural diagram of embodiment 3 of the present invention.
In the figure: the device comprises a shell 1, a mounting cavity 2, an air inlet pipe 3, an air outlet pipe 4, a driving motor 5, a first rotating rod 6, a connecting block 7, an water outlet pipe 8, a water inlet pipe 9, a valve 10, a first connecting rod 11, a rotating disc 12, a guide block 13, a second connecting rod 14, an auxiliary block 15, a sliding block 16, a spray head 17, a transmission belt 18, a second rotating rod 19, a stirring rod 20, a guide groove 21, a sliding groove 22, an activated carbon plate 23 and a limiting groove 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-3, an air purifier for controlling epidemic diseases in livestock and poultry houses comprises a housing 1, a mounting cavity 2 is arranged in the housing 1, water for absorbing dust is stored in the mounting cavity 2, an air outlet pipe 4 and an air inlet pipe 3 are respectively arranged on the upper side wall and the lower side wall of the housing 1, opposite ends of the air outlet pipe 4 and the air inlet pipe 3 extend into the mounting cavity 2, an air blower introduces external air into the mounting cavity 2 through the air inlet pipe 3, purified gas is led into the livestock and poultry houses through the air outlet pipe 4, the left inner wall and the right inner wall of the mounting cavity 2 are respectively and rotatably connected with first rotating rods 6, connecting blocks 7 are respectively and fixedly connected on the two first rotating rods 6, a rotating disc 12 is arranged in the mounting cavity 2, first connecting rods 11 are fixedly connected on the left side wall and the right side wall of the rotating disc 12, opposite ends of the two first connecting rods 11 are respectively and rotatably connected with the corresponding connecting blocks 7, and the upper end of the air inlet pipe 3 is connected with the rotating disc 12, install a plurality of shower nozzles 17 on rolling disc 12, driving motor 5 is installed on the right side of casing 1, driving motor 5 is servo motor, can adjust rotational speed and rotation direction according to actual conditions, the board is placed to the right side fixedly connected with of casing 1, driving motor 5 is located places the board upper end, driving motor 5's output shaft end extend to in the installation cavity 2 and with the right-hand member fixed connection of the first rotation pole 6 on right side, start driving motor 5 and drive first rotation pole 6 and rotate, first rotation pole 6 drives connecting block 7 and rotates, make rolling disc 12 rock.
In the invention, guide blocks 13 are arranged on the front inner wall and the rear inner wall of a mounting cavity 2, guide grooves 21 are respectively arranged in the two guide blocks 13, second connecting rods 14 are fixedly connected with the front inner wall and the rear inner wall of a rotating disc 12, auxiliary blocks 15 are respectively and rotatably connected with the opposite ends of the two second connecting rods 14, the two auxiliary blocks 15 are slidably connected with the corresponding guide grooves 21, the two guide blocks 13 and the two auxiliary blocks 15 are arc-shaped blocks, sliding blocks 16 are respectively and fixedly connected with the upper side and the lower side of each auxiliary block 15, sliding grooves 22 are respectively arranged on the upper side and the lower side of each guide groove 21, each sliding block 16 is slidably connected with the inner wall of the corresponding sliding groove 22, the second connecting rod 14 fixedly connected with the rotating disc 12 is matched with the guide blocks 13 to play a guiding role, when a first rotating rod 6 rotates, a connecting block 7 rotates along with the first rotating rod, the auxiliary blocks 15 on the second connecting rod 14 slide in the sliding grooves 22 through the sliding blocks 16, when the right side of the rotary disk 12 is lifted due to rotation, the sliding block 16 on the rear side moves leftwards, and when the right side of the rotary disk 12 falls due to rotation, the sliding block 16 on the rear side moves rightwards, so that the up-and-down arc-shaped shaking of the rotary disk 12 is realized;
When the invention is used, the driving motor 5 is started to drive the first rotating rod 6 to rotate, when the first rotating rod 6 rotates, the connecting block 7 rotates along with the first rotating rod, the auxiliary block 15 on the second connecting rod 14 slides in the sliding groove 22 through the sliding block 16, when the right side of the rotating disc 12 is lifted up due to rotation, the sliding block 16 at the rear side moves leftwards, when the right side of the rotating disc 12 falls down due to rotation, the sliding block 16 at the rear side moves rightwards, so that the up-and-down arc-shaped shaking of the rotating disc 12 is realized, the outside air introduced by the air inlet pipe 3 is sprayed out through the spray nozzle 17 on the rotating disc 12, the contact area of the air and the water body can be improved due to the shaking of the rotating disc 12, the purification efficiency is improved, the rotating disc 12 can drive the water body to shake by shaking, the purification effect is further improved, the primarily purified air passes through the activated carbon plate 23, and the activated carbon plate 23 can absorb harmful gas in the air;
the device drives rolling disc 12 through driving motor 5 and realizes that the arc rocks from top to bottom, can effectual improvement air and the area of contact of water, has improved purification efficiency, and the harmful substance in the air can be absorbed to active carbon plate 23, has improved purifying effect.
Example 2
Referring to fig. 4, the difference between this embodiment and embodiment 1 is that the inner wall rotates about installation cavity 2 and is connected with second dwang 19, install a plurality of puddlers 20 on the second dwang 19, the right-hand member of second dwang 19 runs through casing 1, the drive wheel is all installed to the right-hand member of second dwang 19 and driving motor 5's output shaft, two are rotated the wheel and are passed through drive belt 18 and link to each other, when driving motor 5 started, second dwang 19 that can electronic upside through drive belt 18 rotates, and then drive puddler 20 stirs the water on installation cavity 2 upper portion.
In this embodiment, when rotating to start and carrying out air-purifying, driving motor 5 starts and to drive corresponding drive wheel and rotate, can drive the drive wheel rotation of upside through drive belt 18, and second dwang 19 drives puddler 20 and stirs the water on 2 upper portions of installation cavity promptly, has further improved the area of contact of water with the air, has improved air-purifying's efficiency.
Example 3
Referring to fig. 5, this embodiment is different from embodiment 2 in that the right side inner wall of installation cavity 2 is equipped with spacing groove 24, activated carbon plate 23's right-hand member is located spacing groove 24, activated carbon plate 23's left side is run through casing 1 and is installed the handle, casing 1's left side is equipped with and is equipped with the opening that cooperatees with activated carbon plate 23, be equipped with the rubber circle on the opening, can improve the leakproofness of device, activated carbon plate 23's right side can block in spacing groove 24, can accomplish the fixed of activated carbon plate 23 and dismantle through the pull.
In this embodiment, when needing to change activated carbon plate 23, take activated carbon plate 23 out through the handle, place new activated carbon plate 23 from the left open position of casing 1 to make activated carbon plate 23's right side be located spacing groove 24, it is very convenient to change, has improved the efficiency of the maintenance in staff's later stage.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The air purifier for preventing and controlling the epidemic disease in the livestock and poultry house comprises a shell (1) and is characterized in that an installation cavity (2) is arranged in the shell (1), an air outlet pipe (4) and an air inlet pipe (3) are respectively installed on the upper side wall and the lower side wall of the shell (1), opposite ends of the air outlet pipe (4) and the air inlet pipe (3) all extend into the installation cavity (2), the left inner wall and the right inner wall of the installation cavity (2) are respectively and rotatably connected with a first rotating rod (6), two first rotating rods (6) are respectively and fixedly connected with a connecting block (7), a rotating disc (12) is arranged in the installation cavity (2), the left side wall and the right side wall of the rotating disc (12) are respectively and fixedly connected with a first connecting rod (11), the back end of each first connecting rod (11) is rotatably connected with the corresponding connecting block (7), and the upper end of the air inlet pipe (3) is connected with the rotating disc (12), install a plurality of shower nozzles (17) on rolling disc (12), driving motor (5) are installed on the right side of casing (1), the output shaft end of driving motor (5) extends to in installation cavity (2) and with the right-hand member fixed connection of first rotating rod (6) on right side.
2. The air purifier for preventing and controlling the epidemic disease in the livestock and poultry house according to claim 1, wherein guide blocks (13) are installed on the front inner wall and the rear inner wall of the installation cavity (2), guide grooves (21) are formed in the two guide blocks (13), second connecting rods (14) are fixedly connected to the front inner wall and the rear inner wall of the rotating disc (12), auxiliary blocks (15) are rotatably connected to the opposite ends of the two second connecting rods (14), and the two auxiliary blocks (15) are slidably connected with the corresponding guide grooves (21).
3. The air purifier for preventing and controlling the epidemic disease in the livestock and poultry house according to claim 2, wherein the two guide blocks (13) and the two auxiliary blocks (15) are arc-shaped blocks, a placing plate is fixedly connected to the right side of the shell (1), and the driving motor (5) is positioned at the upper end of the placing plate.
4. The air purifier for preventing and controlling the epidemic disease in the livestock and poultry house according to claim 3, wherein the two auxiliary blocks (15) are fixedly connected with sliding blocks (16) at the upper and lower sides, the two guide grooves (21) are provided with sliding grooves (22) at the upper and lower inner walls, and each sliding block (16) is connected with the corresponding sliding groove (22) in a sliding manner.
5. An air purifier for controlling and preventing epidemic diseases in livestock and poultry houses according to claim 1, which is characterized in that a water inlet pipe (9) and a water outlet pipe (8) are installed on the left side of the shell (1), and the right ends of the water inlet pipe (9) and the water outlet pipe (8) extend into the installation cavity (2).
6. The air purifier for preventing and controlling the epidemic disease in the livestock and poultry house according to claim 5, wherein the water inlet pipe (9) and the water outlet pipe (8) are both provided with valves (10), and the driving motor (5) is a servo motor.
7. The air purifier for preventing and controlling the epidemic disease in the livestock and poultry house according to claim 1, wherein the air inlet pipe (3) is a hose, and an activated carbon plate (23) is arranged in the mounting cavity (2).
8. The air purifier for preventing and controlling the epidemic disease in the livestock and poultry house according to claim 1, wherein each spray head (17) adopts an atomizing nozzle, the shell (1) is made of stainless steel, and the inner bottom of the installation cavity (2) is an inclined plane.
9. The air purifier for preventing and controlling the epidemic disease in the livestock and poultry house according to claim 1, wherein a second rotating rod (19) is rotatably connected to the left inner wall and the right inner wall of the installation cavity (2), a plurality of stirring rods (20) are installed on the second rotating rod (19), the right end of the second rotating rod (19) penetrates through the shell (1), driving wheels are installed at the right end of the second rotating rod (19) and the output shaft of the driving motor (5), and the two rotating wheels are connected through a driving belt (18).
10. The air purifier for preventing and controlling the epidemic disease in the livestock and poultry house according to claim 1, wherein a limiting groove (24) is formed in the inner wall of the right side of the installation cavity (2), the right end of the activated carbon plate (23) is located in the limiting groove (24), and the left side of the activated carbon plate (23) penetrates through the shell (1) and is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111457669.XA CN114272701A (en) | 2021-12-02 | 2021-12-02 | Air purifier for epidemic disease prevention and control of livestock and poultry house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111457669.XA CN114272701A (en) | 2021-12-02 | 2021-12-02 | Air purifier for epidemic disease prevention and control of livestock and poultry house |
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| Publication Number | Publication Date |
|---|---|
| CN114272701A true CN114272701A (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111457669.XA Pending CN114272701A (en) | 2021-12-02 | 2021-12-02 | Air purifier for epidemic disease prevention and control of livestock and poultry house |
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| Country | Link |
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| CN (1) | CN114272701A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570269A (en) * | 2022-05-09 | 2022-06-03 | 招远市动物疫病预防控制中心 | A high-efficient feed processing device for animal husbandry |
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2021
- 2021-12-02 CN CN202111457669.XA patent/CN114272701A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211384491U (en) * | 2019-10-30 | 2020-09-01 | 苏州力一环境科技有限公司 | A SOx/NOx control aeration equipment for flue gas is handled |
| CN110926223A (en) * | 2019-11-19 | 2020-03-27 | 安徽枫慧金属股份有限公司 | Smelting furnace smoke exhaust device for aluminum processing and operation method thereof |
| CN212039560U (en) * | 2020-04-26 | 2020-12-01 | 蔡江燕 | Waste gas treatment equipment |
| CN213193183U (en) * | 2020-07-10 | 2021-05-14 | 上海承蓝环境工程有限公司 | Processing apparatus for exhaust purification |
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| CN114570269A (en) * | 2022-05-09 | 2022-06-03 | 招远市动物疫病预防控制中心 | A high-efficient feed processing device for animal husbandry |
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Application publication date: 20220405 |
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