CN114432834B - Intelligent collecting device and collecting method for organic waste gas treatment based on vOCs - Google Patents
Intelligent collecting device and collecting method for organic waste gas treatment based on vOCs Download PDFInfo
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- CN114432834B CN114432834B CN202210251498.3A CN202210251498A CN114432834B CN 114432834 B CN114432834 B CN 114432834B CN 202210251498 A CN202210251498 A CN 202210251498A CN 114432834 B CN114432834 B CN 114432834B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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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
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The invention discloses an intelligent collecting device and a collecting method for organic waste gas treatment based on vOCs, and the intelligent collecting device comprises a collecting device body, wherein the left side and the right side of the inside of the collecting device body are fixedly connected with flaring frames, a support is arranged inside the collecting device body, a supporting plate is fixedly connected to the inner side of the support, an activated carbon plate is arranged at the top of the supporting plate, and a baffle is fixedly connected to the outer side of the support in a staggered mode. According to the waste gas collecting device, the screw is used for pushing the screw sleeve to move upwards, the screw sleeve drives the activated carbon plate to move synchronously through the support and moves to the outside of the collecting device body, so that the effect of facilitating a user to replace the activated carbon plate can be achieved, and the problems that the existing waste gas collecting device is single in structure and function, does not have the effect of quickly replacing an adsorbing material, seriously influences the use efficiency of the waste gas collecting device and cannot timely inform a maintainer of replacement are solved.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to an intelligent collecting device and a collecting method for organic waste gas treatment based on vOCs.
Background
In order to reduce the pollution that the vOCs caused to the environment, so need collect vOCs waste gas through organic waste gas collection device, but current waste gas collection device's structure and function are comparatively single, do not possess the effect of quick replacement adsorption material, have seriously influenced waste gas collection device's availability factor, can't in time inform the maintainer simultaneously and change.
Disclosure of Invention
In order to solve the problems in the background art, the invention aims to provide an intelligent collecting device and a collecting method for organic waste gas treatment based on vOCs, which have the advantage of being capable of rapidly replacing an adsorbing material, and solve the problems that the existing waste gas collecting device is single in structure and function, does not have the effect of rapidly replacing the adsorbing material, seriously influences the use efficiency of the waste gas collecting device, and cannot timely inform a maintainer of replacement.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent collecting device and a collecting method for treating organic waste gas based on vOCs comprise a collecting device body;
the collecting device comprises a collecting device body and is characterized in that an opening expanding frame is fixedly connected to the left side and the right side of the inside of the collecting device body, a support is arranged inside the collecting device body, an inner side fixedly connected with supporting plate of the support is arranged on the top of the supporting plate, an activated carbon plate is arranged on the top of the supporting plate, a baffle plate is fixedly connected to the outer side of the support in a staggered mode, the top of the support penetrates through the collecting device body and extends to the outside of the collecting device body, a screw rod located on the right side of the support is movably connected to the inside of the collecting device body, a threaded sleeve on the surface of the screw rod is sleeved with the right side fixedly connected with the right side of the support, a structure used for driving the screw rod to rotate is arranged on the front side of the collecting device body, a guide rod is fixedly connected to the surface of the opening expanding frame, a conical block is connected to the surface of the guide rod in a sliding mode, a connecting rod is fixedly connected to the left side of the support, an extrusion rod is provided with an extrusion rod, a trapezoidal block is fixedly connected to the right side of the extrusion rod and is in contact with a glue layer, and the surface of the glue layer is in contact with the opening expanding frame.
Preferably, the structure for driving the screw to rotate comprises a transmission motor fixedly connected to the front face of the collecting device body, helical gears are fixedly connected to the output end of the transmission motor and the surface of the screw, the helical gears are meshed with each other, a gas-sensitive detector is fixedly connected to the surface of the support, and the gas-sensitive detector is electrically connected with the transmission motor.
Preferably, a sealing gasket is fixedly connected to the surface of the bracket, and the bottom of the sealing gasket is in contact with the top of the collecting device body.
Preferably, the extrusion rod is slidably connected with the connecting rod, a pressure spring sleeved on the surface of the connecting rod is arranged on the right side of the extrusion rod, and one side of the pressure spring, which is far away from the extrusion rod, is in contact with the surface of the support.
Preferably, the left end of the extrusion rod is movably connected with a roller through a pin shaft, and the outer surface of the roller is in contact with the surface of the trapezoidal block.
An intelligent collecting device and a collecting method for controlling organic waste gas based on vOCs comprise the following steps:
s1: injecting waste gas into the collecting device body through the input end of the collecting device body, enabling the waste gas to be in contact with the flaring frame and completing uniform distribution treatment, enabling the waste gas to move to the insides of the two activated carbon plates through the guide of the baffle plate in the circulating process, and enabling the activated carbon plates to adsorb vOCs organic waste gas contained in the waste gas;
s2: when the numerical value detected by the gas-sensitive detector positioned at the bottom of the support exceeds the standard, the gas-sensitive detector controls the driving motor to start and stop, the driving motor drives the screw rod to rotate through the helical gear, the screw rod pushes the threaded sleeve to move upwards by utilizing the threads, and the threaded sleeve drives the activated carbon plate to synchronously move through the support and move to the outside of the collecting device body;
s3: and the support can utilize the lifter to extrude the trapezoidal piece at the slip in-process, and the trapezoidal piece receives the extrusion and removes to the left side through the direction of guide arm, and when the left side of tapered piece and the internal surface of flaring frame were laminated each other, reach and carry out sealed effect to the collection device body, avoid waste gas the phenomenon of revealing to appear.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the waste gas collecting device, the screw is used for pushing the screw sleeve to move upwards, the screw sleeve drives the activated carbon plate to move synchronously through the support and moves to the outside of the collecting device body, so that the effect of facilitating a user to replace the activated carbon plate can be achieved, and the problems that the existing waste gas collecting device is single in structure and function, does not have the effect of quickly replacing an adsorbing material, seriously influences the use efficiency of the waste gas collecting device and cannot timely inform a maintainer of replacement are solved.
2. According to the invention, the transmission motor, the helical gear and the gas-sensitive detector are arranged, so that the screw can be automatically pushed to rotate, and the operation steps of manually detecting the filtering capacity of the activated carbon plate by a user are saved.
3. According to the invention, by arranging the sealing gasket, the sealing effect of the support can be improved, and the waste gas is prevented from leaking through the joint of the support and the collecting device body.
4. According to the invention, the guide rod and the conical block are arranged, so that a user can seal the collecting device body conveniently, and the lifting force of the bracket can be effectively utilized.
5. According to the invention, the glue layer is arranged, so that the sealing effect of the conical block can be improved, and the impact force generated when the conical block is reset is weakened.
6. The invention can support the extrusion rod by arranging the pressure spring, so that the extrusion rod has the effect of contraction and reset, and the excessive extrusion of the conical block by the extrusion rod is avoided.
7. The invention can protect the extrusion rod by arranging the roller, and reduces the abrasion generated when the extrusion rod and the trapezoidal block are in contact friction.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a front view of the present invention;
FIG. 3 is a perspective view of a portion of the present invention;
FIG. 4 is a schematic sectional front view of a partial structure of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 6 is an enlarged view of the structure at B in FIG. 2 according to the present invention.
In the figure: 1. a collection device body; 2. an opening expanding frame; 3. a support; 4. a support plate; 5. an activated carbon plate; 6. a baffle plate; 7. a screw; 8. a threaded sleeve; 9. a drive motor; 10. a helical gear; 11. a gas sensitive detector; 12. a gasket; 13. a guide bar; 14. a tapered block; 15. a connecting rod; 16. an extrusion stem; 17. a trapezoidal block; 18. a glue layer; 19. a pressure spring; 20. and a roller.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 6, the intelligent collecting device for treating organic waste gas based on vcocs provided by the present invention comprises a collecting device body 1;
the left side and the equal fixedly connected with flaring frame 2 in right side of collection device body 1 inside, the inside of collection device body 1 is provided with support 3, the inboard fixedly connected with backup pad 4 of support 3, the top of backup pad 4 is provided with activated carbon plate 5, the outside dislocation fixedly connected with baffle 6 of support 3, collection device body 1 is run through at the top of support 3 and extends to the outside of collection device body 1, the inside swing joint of collection device body 1 has the screw rod 7 that is located support 3 right side, the right side fixedly connected with cover of support 3 is established at the swivel nut 8 on screw rod 7 surface, the front of collection device body 1 is provided with the structure that is used for driving screw rod 7 rotatory, the fixed surface of flaring frame 2 is connected with guide arm 13, the sliding surface of guide arm 13 is connected with tapered block 14, the left side fixedly connected with connecting rod 15 of support 3, the surface of connecting rod 15 is provided with extrusion pole 16, the right side fixedly connected with trapezoidal block 17 of tapered block 14, one side that extrusion pole 16 kept away from connecting rod 15 and the surface contact of trapezoidal block 17, the fixed surface of tapered block 14 is connected with glue film 18, the surface contact of glue film 18 and the surface contact of flaring frame 2.
Referring to fig. 1, the structure for driving the screw 7 to rotate includes a transmission motor 9 fixedly connected to the front surface of the collecting device body 1, helical gears 10 fixedly connected to the output ends of the transmission motor 9 and the surface of the screw 7, the helical gears 10 being engaged with each other, a gas sensitive detector 11 fixedly connected to the surface of the support 3, and the gas sensitive detector 11 being electrically connected to the transmission motor 9.
As a technical optimization scheme of the invention, the screw 7 can be automatically pushed to rotate by arranging the transmission motor 9, the helical gear 10 and the gas sensitive detector 11, so that the operation steps of manually detecting the filtering amount of the activated carbon plate 5 by a user are saved.
Referring to fig. 1, a sealing gasket 12 is fixedly attached to the surface of the holder 3, and the bottom of the sealing gasket 12 is in contact with the top of the collecting device body 1.
As a technical optimization scheme of the invention, the sealing effect of the bracket 3 can be improved by arranging the sealing gasket 12, and the waste gas is prevented from leaking through the joint of the bracket 3 and the collecting device body 1.
As a technical optimization scheme of the present invention, the guide rod 13 and the tapered block 14 are provided, so that the user can seal the collecting device body 1 conveniently, and the lifting force of the bracket 3 can be effectively utilized.
As a technical optimization scheme of the invention, the glue layer 18 is arranged, so that the sealing effect of the conical block 14 can be improved, and the impact force generated when the conical block 14 is reset can be weakened.
Referring to fig. 4, the extrusion rod 16 is slidably connected with the connecting rod 15, a compression spring 19 is disposed on the right side of the extrusion rod 16 and sleeved on the surface of the connecting rod 15, and one side of the compression spring 19 away from the extrusion rod 16 is in contact with the surface of the bracket 3.
As a technical optimization scheme of the invention, the compression spring 19 is arranged to support the extrusion rod 16, so that the extrusion rod 16 has the effect of contraction and resetting, and the excessive extrusion of the extrusion rod 16 on the tapered block 14 is avoided.
Referring to fig. 4, a roller 20 is movably coupled to the left end of the pressing bar 16 by a pin, and the outer surface of the roller 20 is in contact with the surface of the trapezoidal block 17.
As a technical optimization scheme of the invention, the roller 20 is arranged, so that the extrusion rod 16 can be protected, and the abrasion generated when the extrusion rod 16 and the trapezoidal blocks 17 are in contact friction is reduced.
Referring to fig. 1, a collection method based on an intelligent collection device for controlling organic waste gas in vOCs comprises the following steps:
s1: injecting waste gas into the collecting device body 1 through the input end of the collecting device body 1, enabling the waste gas to be in contact with the flaring frame 2 and completing uniform distribution treatment, enabling the waste gas to move to the insides of the two activated carbon plates 5 through the guide of the baffle 6 in the circulating process, and enabling the activated carbon plates 5 to adsorb vOCs organic waste gas contained in the waste gas;
s2: when the value detected by the gas-sensitive detector 11 positioned at the bottom of the support 3 exceeds the standard, the gas-sensitive detector 11 controls the driving motor 9 to start and close, the driving motor 9 drives the screw 7 to rotate through the bevel gear 10, the screw 7 pushes the threaded sleeve 8 to move upwards by utilizing the threads, and the threaded sleeve 8 drives the activated carbon plate 5 to synchronously move through the support 3 and move to the outside of the collection device body 1;
s3: and support 3 can utilize extrusion stem 16 extrusion trapezoidal piece 17 at the slip in-process, and trapezoidal piece 17 receives the extrusion and removes to the left side through the direction of guide arm 13, when the left side of tapered piece 14 and the internal surface of flaring frame 2 laminated each other, reaches the effect of sealing up collection device body 1, avoids waste gas the phenomenon of revealing to appear.
The working principle and the using process of the invention are as follows: during the use, with waste gas through the inside of collection device body 1 input injection collection device body 1, waste gas and flaring frame 2 contact and accomplish evenly distributed and handle, waste gas can move to the inside of two activated carbon plates 5 through the direction of baffle 6 at the circulation in-process, activated carbon plate 5 can adsorb the vOCs organic waste gas that contains the area in the waste gas, when the numerical value that is located the gas detector 11 of support 3 bottom exceeds standard, gas detector 11 control driving motor 9 plays to close, driving motor 9 drives screw 7 through helical gear 10 and rotates, screw 7 utilizes the screw thread to promote swivel nut 8 rebound, swivel nut 8 drives activated carbon plate 5 synchronous motion through support 3 and makes it move to the outside of collection device body 1, and support 3 can utilize extrusion pole 16 extrusion bar 16 extrusion trapezoidal piece 17 at the slip in-process, trapezoidal piece 17 receives the extrusion and moves to the left side through the direction of guide arm 13, when the left side of tapered piece 14 and the internal surface of flaring frame 2 are laminated each other, reach the effect of sealing to collection device body 1, avoid the phenomenon that the waste gas appears revealing.
In summary, the following steps: this based on intelligent collection device and collection method are used in treatment of vOCs organic waste gas, utilize screw thread promotion swivel nut 8 rebound through screw rod 7, swivel nut 8 drives activated carbon plate 5 synchronous motion and makes it remove to the outside of collection device body 1 through support 3, can reach the effect that convenient to use person changes activated carbon plate 5, the structure and the function of having solved current waste gas collection device are comparatively single, do not possess the effect of quick replacement adsorption material, waste gas collection device's availability factor has seriously been influenced, simultaneously can't in time inform the maintainer problem of changing.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. An intelligent collecting device for treating organic waste gas based on vOCs comprises a collecting device body (1);
the method is characterized in that: the gas-sensitive gas detector is characterized in that the left side and the right side of the inner part of the collecting device body (1) are fixedly connected with an flaring frame (2), the inner part of the collecting device body (1) is provided with a support (3), the inner side of the support (3) is fixedly connected with a supporting plate (4), the top of the supporting plate (4) is provided with an activated carbon plate (5), the outer side of the support (3) is staggered and fixedly connected with a baffle (6), the top of the support (3) penetrates through the collecting device body (1) and extends to the outer part of the collecting device body (1), the inner part of the collecting device body (1) is movably connected with a screw rod (7) positioned on the right side of the support (3), the right side of the support (3) is fixedly connected with a screw sleeve (8) sleeved on the surface of the screw rod (7), the structure for driving the screw rod (7) to rotate comprises a transmission motor (9) fixedly connected to the front side of the collecting device body (1), the output end of the transmission motor (9) and the surface of the screw rod (7) are fixedly connected with a helical gear (10), the helical gear (10) are mutually meshed, the gas-sensitive gas detector (11) is fixedly connected with the surface of the gas-sensitive gas detector (11), the gas-sensitive gas detector (12) and the helical gear detector (11) is connected with the support (3), the bottom of sealed pad (12) contacts with the top of collection device body (1), the front of collection device body (1) is provided with and is used for driving the rotatory structure of screw rod (7), the fixed surface of flaring frame (2) is connected with guide arm (13), the surperficial sliding connection of guide arm (13) has tapered block (14), the left side fixedly connected with connecting rod (15) of support (3), the surface of connecting rod (15) is provided with extrusion stem (16), the right side fixedly connected with trapezoidal piece (17) of tapered block (14), the surface contact of one side and trapezoidal piece (17) of connecting rod (15) are kept away from in extrusion stem (16), the fixed surface of tapered block (14) is connected with glue film (18), the surface contact of the surface and the flaring of glue film (18) frame (2).
2. The intelligent collecting device for treating organic waste gas based on vOCs of claim 1, characterized in that: the extrusion rod (16) is connected with the connecting rod (15) in a sliding mode, a pressure spring (19) sleeved on the surface of the connecting rod (15) is arranged on the right side of the extrusion rod (16), and one side, far away from the extrusion rod (16), of the pressure spring (19) is in surface contact with the support (3).
3. The intelligent collecting device for treating organic waste gas based on vOCs of claim 1, characterized in that: the left end of the extrusion rod (16) is movably connected with a roller (20) through a pin shaft, and the outer surface of the roller (20) is in contact with the surface of the trapezoidal block (17).
4. The collecting method of the intelligent collecting device for controlling the organic waste gas based on the vOCs according to claim 1, wherein the collecting method comprises the following steps: the method comprises the following steps:
s1: injecting waste gas into the collecting device body (1) through the input end of the collecting device body (1), enabling the waste gas to be in contact with the flaring frame (2) and completing uniform distribution treatment, enabling the waste gas to move to the insides of the two activated carbon plates (5) through the guide of the baffle (6) in the circulating process, and enabling the activated carbon plates (5) to adsorb vOCs organic waste gas containing bands in the waste gas;
s2: when the numerical value detected by the gas-sensitive detector (11) positioned at the bottom of the support (3) exceeds the standard, the gas-sensitive detector (11) controls the transmission motor (9) to be switched on and off, the transmission motor (9) drives the screw rod (7) to rotate through the bevel gear (10), the screw rod (7) pushes the threaded sleeve (8) to move upwards by utilizing the threads, and the threaded sleeve (8) drives the activated carbon plate (5) to synchronously move through the support (3) and move to the outside of the collection device body (1);
s3: and support (3) can utilize extrusion stem (16) extrusion trapezoidal piece (17) at the slip in-process, and trapezoidal piece (17) receive the extrusion and move to the left side through the direction of guide arm (13), when the left side of awl type piece (14) and the internal surface of flaring frame (2) were laminated each other, reach and carry out sealed effect to collection device body (1), avoid waste gas the phenomenon of revealing to appear.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210251498.3A CN114432834B (en) | 2022-03-15 | 2022-03-15 | Intelligent collecting device and collecting method for organic waste gas treatment based on vOCs |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210251498.3A CN114432834B (en) | 2022-03-15 | 2022-03-15 | Intelligent collecting device and collecting method for organic waste gas treatment based on vOCs |
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| CN114432834B true CN114432834B (en) | 2022-11-01 |
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| US20190015774A1 (en) * | 2017-07-12 | 2019-01-17 | Flow Filters Corp. | Reusable air filter with replaceable capsule |
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| CN109833673A (en) * | 2017-11-24 | 2019-06-04 | 天津蔚来科技有限公司 | A kind of recycling and processing device of formaldehyde exhaust-gas |
| CN207786167U (en) * | 2017-12-18 | 2018-08-31 | 东莞拓斯诺环保科技有限公司 | A kind of industrial production waste gas pollution control and treatment environmental protection equipment |
| CN211435651U (en) * | 2019-12-30 | 2020-09-08 | 山东耘威医疗科技有限公司 | Exhaust gas treatment device |
| CN211963623U (en) * | 2020-01-03 | 2020-11-20 | 杭州禹航环境工程有限公司 | Waste gas treatment is with activated carbon box convenient to remove |
| CN111996944A (en) * | 2020-08-18 | 2020-11-27 | 汪学准 | Intelligent indication board based on Internet of things technology |
| CN214182443U (en) * | 2020-11-09 | 2021-09-14 | 江苏普泰环保科技有限公司 | Activated carbon adsorption box convenient to change filter plate |
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| CN114432834A (en) | 2022-05-06 |
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