CN219424092U - VOCs exhaust treatment system - Google Patents
VOCs exhaust treatment system Download PDFInfo
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- CN219424092U CN219424092U CN202320206574.9U CN202320206574U CN219424092U CN 219424092 U CN219424092 U CN 219424092U CN 202320206574 U CN202320206574 U CN 202320206574U CN 219424092 U CN219424092 U CN 219424092U
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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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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a VOCs waste gas treatment system, which comprises a bracket, wherein a first tank body and a second tank body are respectively arranged on two sides of the outer wall of the top of the bracket through bolts, a support plate is arranged between the first tank body and the second tank body through bolts, a condensing box is arranged on the outer wall of the top of the support plate through bolts, a first connecting pipe and a second connecting pipe are respectively inserted into the outer walls of the two sides of the condensing box, and the first connecting pipe and the second connecting pipe respectively extend into the first tank body and the second tank body; when the device is used for treating the waste gas, the fan II in the fan barrel synchronously operates, so that the waste gas in the gas outlet pipe flows into the detector, the detector analyzes and detects the waste gas to judge whether the discharged waste gas meets the standard, when the discharged waste gas does not meet the discharge standard, the valve on the gas outlet pipe is closed, and the valve on the return pipe is opened, so that the waste gas flows into the tank body and other devices again for treatment, and the waste gas discharged again subsequently meets the discharge standard.
Description
Technical Field
The utility model relates to the technical field of VOCs waste gas, in particular to a VOCs waste gas treatment system.
Background
VOCs are short for volatile organic compounds, mainly comprising hydrocarbons, aromatic hydrocarbons, alcohols, aldehydes, ketones, esters, amines, organic acids and the like, and are mostly inflammable, explosive, volatile and highly toxic substances, and the direct discharge into the atmosphere can cause serious harm to the environment and human health.
If the authorized notice number is CN206391827U, the authorized notice day is 20170811, and the VOCs waste gas treatment system is sequentially connected with an atomization absorption module, a photocatalysis generation module, an absorption module and a chimney from an air inlet end to an air outlet end. The utility model discloses a VOCs waste gas treatment system, which is suitable for the field of waste gas treatment. The utility model aims to provide the VOCs waste gas treatment system which has the advantages of simple structure, convenient operation, energy conservation, reliability, powerful function and capability of adjusting the treatment capacity according to the actual treatment concentration.
Above-mentioned and can directly discharge after the exhaust-gas treatment of VOCs exhaust-gas treatment system among the prior art, and VOCs exhaust-gas treatment system long-time operation exhaust-gas treatment effect can reduce, leads to follow-up exhaust gas to be out of compliance with emission standard, can lead to the fact the pollution to the air, leads to current VOCs exhaust-gas treatment system unable to satisfy current demand to VOCs exhaust-gas treatment, consequently, need to design a VOCs exhaust-gas treatment system and solve above-mentioned problem urgently.
Disclosure of Invention
The object of the present utility model is to provide a VOCs waste gas treatment system that solves the above-mentioned drawbacks of the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides a VOCs exhaust-gas treatment system, includes the support, jar body one, jar body two are installed through the bolt respectively to support top outer wall both sides, install the extension board through the bolt between jar body one, the jar body two, and install the cooler through the bolt on the extension board top outer wall, peg graft respectively on the outer wall of cooler both sides have connecting pipe one, connecting pipe two, and connecting pipe one, respectively extend to jar body one, jar body two inside, jar body one-side outer wall is close to bottom department grafting has the intake pipe, jar body two top outer wall one side grafting has the outlet duct, and peg graft on outlet duct one side outer wall has the back flow that extends to the intake pipe inside, jar body one-side outer wall is close to bottom department grafting has the fluid-discharge tube, jar body two top outer wall one side grafting has the gas-supply pipe, jar body two one side outer walls are close to bottom department grafting has the outlet pipe, support top outer wall one side is installed the detector through the bolt, and install the fan barrel through the bolt on the detector top outer wall, the fan barrel communicates each other through pipeline and outlet duct, fan barrel inside has fan two through the bolt installation.
Further, an electric cabinet is mounted on one side of the outer wall of the top of the support through bolts, and the electric cabinet is electrically connected with the second fan and the detector through wires.
Further, a motor is installed at the center of the outer wall of the bottom of the tank body through a bolt, an output shaft of the motor is provided with an installation shaft through a coupler, blades distributed in an equidistant structure are welded on the outer walls of two sides of the installation shaft, and a plurality of cone spines are welded on the outer walls of two sides of the blades.
Further, one side of the outer wall of the top of the tank body is inserted with a liquid level sensor extending to the inside of the tank body, and the other side of the outer wall of the top of the tank body is inserted with a concentration sensor extending to the inside of the tank body.
Further, a plurality of frame bodies are arranged in the tank body II through bolts, a filter screen layer is arranged in the frame bodies through bolts, a plurality of energy transducers are arranged on the outer wall of one side of the tank body II through bolts, and one ends of the energy transducers are in mutual contact with the frame bodies.
Further, an exhaust cylinder is connected with the top end of the air outlet pipe in a threaded manner, and a dust screen and a fan I which are distributed in an up-down structure are respectively arranged in the exhaust cylinder through bolts.
Furthermore, the water delivery pipes are inserted into two sides of the outer wall of the bottom of the condensing box, the installation pipe is installed inside the condensing box through bolts, two ends of the installation pipe are respectively connected with the first connecting pipe and the second connecting pipe, and the liquid guide pipe extending to the outside of the condensing box is inserted into the bottom of the installation pipe.
In the technical scheme, according to the VOCs waste gas treatment system provided by the utility model, (1) when waste gas is treated by using the equipment, the second fan in the fan cylinder synchronously operates, so that the waste gas in the gas outlet pipe flows into the detector, the detector analyzes and detects the waste gas to judge whether the discharged waste gas meets the standard, when the discharged waste gas does not meet the emission standard, the valve on the gas outlet pipe is closed, and the valve on the return pipe is opened, so that the waste gas flows into the equipment such as the tank body again for treatment, and the waste gas discharged again subsequently meets the emission standard; (2) Through the gas pipe, the water outlet pipe and the energy converter, after the equipment operates for a period of time, high-temperature water vapor can be flushed into the second tank body through the gas pipe, and meanwhile, the energy converter is started to realize cleaning treatment of the filter screen layer, and impurities at the cleaning position in the second tank body are discharged from the water outlet pipe; (3) Through motor, installation axle, leaf and the awl thorn that set up, when carrying out waste gas through the intake pipe and dashing into jar body one in, can start the motor for the installation axle takes the leaf to rotate, makes waste gas and the inside solvent misce bene of jar body, and awl thorn can puncture the bubble that produces in the solvent this moment, has realized the purpose of deaeration.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of a VOCs exhaust treatment system according to an embodiment of the present utility model.
Fig. 2 is a schematic diagram of an internal structure of a tank provided by an embodiment of a VOCs exhaust gas treatment system according to the present utility model.
Fig. 3 is a schematic diagram of a tank body two-structure provided in an embodiment of a VOCs exhaust gas treatment system according to the present utility model.
Fig. 4 is a schematic view of a fan drum structure provided by an embodiment of a VOCs exhaust gas treatment system according to the present utility model.
Fig. 5 is a schematic diagram of an exhaust cylinder provided by an embodiment of a VOCs exhaust gas treatment system according to the present utility model.
Fig. 6 is a schematic diagram of a condensation box provided by an embodiment of a VOCs exhaust gas treatment system according to the present utility model.
Reference numerals illustrate:
1. a bracket; 2. a first tank body; 3. an electric control box; 4. a second tank body; 5. a detector; 6. a blower cylinder; 7. an air inlet pipe; 8. a return pipe; 9. a liquid discharge pipe; 10. a water outlet pipe; 11. an air outlet pipe; 12. an exhaust duct; 13. a support plate; 14. a condensing box; 15. a first connecting pipe; 16. a second connecting pipe; 17. a gas pipe; 18. a water pipe; 19. a catheter; 20. a liquid level sensor; 21. a concentration sensor; 22. a motor; 23. a mounting shaft; 24. a blade; 25. taper thorn; 26. a frame; 27. a filter screen layer; 28. a transducer; 29. a dust screen; 30. a first fan; 31. a second fan; 32. and (5) installing a pipe.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-6, the VOCs exhaust gas treatment system provided by the embodiment of the utility model comprises a bracket 1, wherein a first tank body 2 and a second tank body 4 are respectively arranged on two sides of the top outer wall of the bracket 1 through bolts, a support plate 13 is arranged between the first tank body 2 and the second tank body 4 through bolts, a condensing box 14 is arranged on the top outer wall of the support plate 13 through bolts, a first connecting pipe 15 and a second connecting pipe 16 are respectively inserted on two side outer walls of the condensing box 14, the first connecting pipe 15 and the second connecting pipe 16 respectively extend into the first tank body 2 and the second tank body 4, an air inlet pipe 7 is inserted on the outer wall of one side of the first tank body 2 near the bottom, an air outlet pipe 11 is inserted on one side of the top outer wall of the second tank body 4, a backflow pipe 8 extending into the air inlet pipe 7 is inserted on one side of the outer wall of the air outlet pipe 11, a liquid outlet pipe 9 is inserted on the outer wall of one side of the top of the second tank body 4 near the bottom, a water outlet pipe 10 is inserted on one side of the outer wall of the side of the second tank body 4 near the bottom, a detector 5 is arranged on one side of the top outer wall of the bracket 1 through bolts, a machine barrel 6 is arranged on the top the outer wall of the detector 5 through bolts, a machine barrel 6 is arranged on the outer wall of the top of the detector 5 through bolts, and the blower fan 6 is communicated with the blower fan 31 through the air outlet pipe 11.
Specifically, in this embodiment, the device comprises a bracket 1, a first tank body 2 and a second tank body 4 are respectively arranged on two sides of the outer wall of the top of the bracket 1 through bolts, a support plate 13 is arranged between the first tank body 2 and the second tank body 4 through bolts, the support plate 13 is convenient for supporting a condensing box 14, the condensing box 14 is arranged on the outer wall of the top of the support plate 13 through bolts, the condensing box 14 can condense the waste gas processed by the first tank body 2, a first connecting pipe 15 and a second connecting pipe 16 are respectively inserted on the outer walls of two sides of the condensing box 14, the first connecting pipe 15 is convenient for the waste gas in the first tank body 2 to flow into the condensing box 14, the second connecting pipe 16 is convenient for the waste gas processed by the condensing box 14 to flow into the second tank body 4, the first connecting pipe 15 and the second connecting pipe 16 are respectively extended into the first tank body 2 and the second tank body 4, an air inlet pipe 7 is inserted on the outer wall of one side of the first tank body 2 near the bottom, the air inlet pipe 7 is convenient for the waste gas to enter the first tank body 2, an air outlet pipe 11 is inserted into one side of the outer wall of the top of the tank body II 4, the air outlet pipe 11 is convenient for the equipment to process or the waste gas flows out of the equipment, a return pipe 8 extending into the air inlet pipe 7 is inserted into one side of the outer wall of the air outlet pipe 11, the return pipe 8 is convenient for the gas in the air outlet pipe 11 to flow into the air inlet pipe 7 again, so that the waste gas which does not meet the emission standard flows into the tank body I2 and other equipment to be reprocessed, a liquid discharge pipe 9 is inserted into the position, close to the bottom, of the outer wall of one side of the tank body I2, the liquid discharge pipe 9 is convenient for the solvent in the tank body I2 to flow out of the tank body I2 or for workers to add the solvent into the tank body I2, a gas transmission pipe 17 is inserted into one side of the outer wall of the top of the tank body II 4, the gas transmission pipe 17 is connected to high-temperature steam equipment, the high-temperature steam can be enabled to enter the tank body II 4 to clean the filter screen layer 27, a water outlet pipe 10 is inserted into the position, close to the bottom of the outer wall of one side of the tank body II 4, the outlet pipe 10 can make jar body two 4 inside to the waste water outflow jar body two 4 that produces when filter screen layer 27 is clean, detector 5 is installed through the bolt to support 1 top outer wall one side, detector 5 is industrial waste gas on-line monitoring equipment VOCs concentration detection appearance for judge whether outlet duct 11 exhaust gas accords with emission standard, and install fan barrel 6 through the bolt on the detector 5 top outer wall, fan barrel 6 communicates each other through pipeline and outlet duct 11, fan barrel 6 is inside installs fan two 31 through the bolt, fan two 31 model is preferably pipeline formula 2-2 external rotor fan, be convenient for make the inside gas initiative inflow detector 5 of air pipe 11.
According to the VOCs waste gas treatment system provided by the utility model, when the equipment is used for treating waste gas, the second fan 31 in the fan cylinder 6 can synchronously operate, so that waste gas in the gas outlet pipe 11 flows into the detector 5, the detector 5 analyzes and detects the waste gas to judge whether the discharged waste gas meets the standard, when the discharged waste gas does not meet the emission standard, the valve on the gas outlet pipe 11 is closed, the valve on the return pipe 8 is opened, the waste gas flows into the first tank 2 and other equipment again for treatment, and the waste gas discharged again subsequently meets the emission standard.
In another embodiment provided by the utility model, as shown in fig. 1, an electric cabinet 3 is mounted on one side of the outer wall of the top of the bracket 1 through bolts, equipment such as an ultrasonic generator, a controller, a signal receiver and the like is mounted in the electric cabinet 3, the equipment can be controlled to operate under remote operation, and the electric cabinet 3 is electrically connected with a second fan 31 and a detector 5 through wires respectively.
In another embodiment provided by the utility model, as shown in fig. 2, a motor 22 is installed at the center of the outer wall of the bottom of the tank body one 2 through a bolt, the model of the motor 22 is preferably LCDA257F, an output shaft of the motor 22 is provided with an installation shaft 23 through a coupler, the outer walls of the two sides of the installation shaft 23 are welded with blades 24 distributed in an equidistant structure, the installation shaft 23 can rotate with the blades 24 under the action of the motor 22, so that waste gas and a solvent in the tank body one 2 are uniformly mixed, a plurality of cone spines 25 are welded on the outer walls of the two sides of the blades 24, and the cone spines 25 can puncture bubbles generated in the solvent, thereby realizing the purpose of defoaming.
In another embodiment of the present utility model, as shown in fig. 2, a liquid level sensor 20 extending into the tank body 12 is inserted at one side of the top outer wall of the tank body 1, the liquid level sensor 20 is an ultrasonic liquid level sensor, the liquid level of the solvent in the tank body 1 can be known through the liquid level sensor 20, so that new solvent can be added when the liquid level drops to a certain height, a concentration sensor 21 extending into the tank body 1 is inserted at the other side of the top outer wall of the tank body 2, and the concentration sensor 21 can detect the concentration of the solvent, so that when the solvent is saturated and impurities in the gas cannot be absorbed, a worker can replace the new solvent in time.
In another embodiment provided by the utility model, as shown in fig. 3, a plurality of frames 26 are arranged in the tank body two 4 through bolts, a filter screen layer 27 is arranged in the frames 26 through bolts, the filter screen layer 27 is an activated carbon filter screen, a plurality of transducers 28 are arranged on the outer wall of one side of the tank body two 4 through bolts, the transducers 28 can generate ultrasonic waves under the action of the electric cabinet 3, the filter screen layer 27 is cleaned by being matched with high-temperature steam entering the tank body two 4, and one end of each transducer 28 is in contact with the frame 26.
In another embodiment provided by the utility model, as shown in fig. 5, the top end of the air outlet pipe 11 is connected with the air exhaust barrel 12 in a threaded manner, a dust screen 29 and a first fan 30 which are distributed in an up-down structure are respectively arranged in the air exhaust barrel 12 through bolts, dust and other impurities are placed on the dust screen 29 and fall into the air exhaust barrel 12, the first fan 30 is preferably a pipeline type 2-2 outer rotor fan, and the air in the second tank 4 can flow upwards into the air outlet pipe 11.
In another embodiment provided by the utility model, the two water pipes 18 are inserted into two sides of the outer wall of the bottom of the condensation box 14, the two water pipes 18 can enable cooling water to enter into and enter out of the condensation box 14 under the action of the pump body, the installation pipe 32 is arranged in the condensation box 14 through bolts, the installation pipe 32 is convenient for the gas in the first connecting pipe 15 to flow into the second connecting pipe 16 after condensation, two ends of the installation pipe 32 are respectively connected with the first connecting pipe 15 and the second connecting pipe 16, a liquid guide pipe 19 extending to the outside of the condensation box 14 is inserted into the bottom of the installation pipe 32, and the liquid guide pipe 19 is convenient for the condensed liquid in the installation pipe 32 to flow out of the installation pipe 32.
Working principle: when the device is used, waste gas can be flushed into the first tank body 2 through the air inlet pipe 7, at the moment, the motor 22 can be started, the mounting shaft 23 can drive the blade plate 24 to rotate, the waste gas and the solvent in the first tank body 2 are uniformly mixed, the cone 25 can puncture bubbles generated in the solvent, the purpose of defoaming is achieved, then the gas absorbed by the solvent can flow into the mounting pipe 32 through the first connecting pipe 15, at the moment, cooling water can enter the inlet and outlet condensing box 14 through the two water pipes 18 under the action of the pump body, the cooling treatment of the gas in the mounting pipe 32 is achieved, the purpose of gas-liquid separation is achieved, the condensed liquid can be discharged from the liquid guide pipe 19 at the moment, meanwhile, the gas can flow into the bottom of the second tank body 4 through the second connecting pipe 16, and then the gas in the second tank body 4 can flow upwards under the action of the first fan 30 in the exhaust cylinder 12, then the gas can flow into the gas outlet pipe 11 through the filtration absorption of the filter screen layer 27 in the tank body II 4, the fan II 31 in the process fan barrel 6 can synchronously operate, so that the waste gas in the gas outlet pipe 11 flows into the detector 5, the detector 5 analyzes and detects the waste gas, when the discharged gas does not meet the emission standard, the valve on the gas outlet pipe 11 is closed, the valve on the return pipe 8 is opened, the waste gas flows into the tank body I2 and other equipment again for treatment, and when the equipment operates, the liquid level of the solvent in the tank body I2 can be known through the liquid level sensor 20 so as to be convenient for adding new solvent when the liquid level drops to a certain height, the concentration sensor 21 can detect the concentration of the solvent so as to be convenient for replacing the new solvent by workers in time when the solvent is saturated and can not absorb impurities in the gas, after the device operates for a period of time, high-temperature water vapor can be flushed into the tank body II 4 through the gas pipe 17, meanwhile, the transducer 28 is started through the electric cabinet 3, the filter screen layer 27 is cleaned, and impurities at the cleaning position in the tank body II 4 are discharged from the water outlet pipe 10.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (7)
1. VOCs exhaust treatment system, including support (1), its characterized in that: the two sides of the outer wall of the top of the bracket (1) are respectively provided with a first tank body (2) and a second tank body (4) through bolts, a support plate (13) is arranged between the first tank body (2) and the second tank body (4) through bolts, a condensing box (14) is arranged on the outer wall of the top of the support plate (13) through bolts, a first connecting pipe (15) and a second connecting pipe (16) are respectively inserted on the outer walls of the two sides of the condensing box (14), the first connecting pipe (15) and the second connecting pipe (16) respectively extend into the first tank body (2) and the second tank body (4), an air inlet pipe (7) is inserted at the position, close to the bottom, of the outer wall of one side of the first tank body (2), the utility model discloses a novel air conditioner, which is characterized in that an air outlet pipe (11) is inserted on one side of the outer wall of the top of a tank body II (4), a return pipe (8) extending into an air inlet pipe (7) is inserted on one side of the outer wall of the air outlet pipe (11), a liquid discharge pipe (9) is inserted on one side of the outer wall of the tank body II (2) near the bottom, an air pipe (17) is inserted on one side of the outer wall of the top of the tank body II (4), an air outlet pipe (10) is inserted on one side of the outer wall of the tank body II (4) near the bottom, a detector (5) is arranged on one side of the outer wall of the top of the bracket (1) through bolts, an air blower cylinder (6) is arranged on the outer wall of the top of the detector (5) through bolts, the fan cylinder (6) is communicated with the air outlet pipe (11) through a pipeline, and a second fan (31) is installed inside the fan cylinder (6) through bolts.
2. The VOCs waste gas treatment system according to claim 1, wherein an electric cabinet (3) is mounted on one side of the outer wall of the top of the bracket (1) through bolts, and the electric cabinet (3) is electrically connected with a second fan (31) and the detector (5) through wires respectively.
3. The VOCs waste gas treatment system according to claim 1, wherein a motor (22) is installed at the center of the outer wall of the bottom of the tank I (2) through a bolt, an output shaft of the motor (22) is provided with an installation shaft (23) through a coupler, blades (24) distributed in an equidistant structure are welded on the outer walls of two sides of the installation shaft (23), and a plurality of conical spines (25) are welded on the outer walls of two sides of the blades (24).
4. The VOCs waste gas treatment system as claimed in claim 1, wherein one side of the top outer wall of the first tank body (2) is inserted with a liquid level sensor (20) extending into the first tank body (2), and the other side of the top outer wall of the first tank body (2) is inserted with a concentration sensor (21) extending into the first tank body (2).
5. The exhaust gas treatment system for VOCs according to claim 1, wherein a plurality of frames (26) are mounted in the tank body II (4) through bolts, a filter screen layer (27) is mounted in the frames (26) through bolts, a plurality of transducers (28) are mounted on the outer wall of one side of the tank body II (4) through bolts, and one ends of the transducers (28) are in contact with the frames (26).
6. The VOCs waste gas treatment system according to claim 1, wherein the top end of the air outlet pipe (11) is in threaded connection with an air exhaust barrel (12), and a dust screen (29) and a fan I (30) which are distributed in an up-down structure are respectively arranged in the air exhaust barrel (12) through bolts.
7. The VOCs waste gas treatment system according to claim 1, wherein the two sides of the outer wall of the bottom of the condensing box (14) are respectively inserted with a water pipe (18), the inside of the condensing box (14) is provided with a mounting pipe (32) through bolts, two ends of the mounting pipe (32) are respectively connected with the first connecting pipe (15) and the second connecting pipe (16) mutually, and the bottom of the mounting pipe (32) is inserted with a liquid guide pipe (19) extending to the outside of the condensing box (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320206574.9U CN219424092U (en) | 2023-02-14 | 2023-02-14 | VOCs exhaust treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320206574.9U CN219424092U (en) | 2023-02-14 | 2023-02-14 | VOCs exhaust treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219424092U true CN219424092U (en) | 2023-07-28 |
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ID=87335017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320206574.9U Active CN219424092U (en) | 2023-02-14 | 2023-02-14 | VOCs exhaust treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219424092U (en) |
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2023
- 2023-02-14 CN CN202320206574.9U patent/CN219424092U/en active Active
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