CN216825515U - Environment-friendly industrial waste gas treatment device - Google Patents
Environment-friendly industrial waste gas treatment device Download PDFInfo
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- CN216825515U CN216825515U CN202220400914.7U CN202220400914U CN216825515U CN 216825515 U CN216825515 U CN 216825515U CN 202220400914 U CN202220400914 U CN 202220400914U CN 216825515 U CN216825515 U CN 216825515U
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Abstract
The utility model discloses an environment-friendly industrial waste gas treatment device, which comprises a box body, a filtering mechanism, a spraying mechanism, an adsorption mechanism and a blocking mechanism; the filtering mechanism, the spraying mechanism, the adsorption mechanism and the blocking mechanism are arranged in the box body; the filtering mechanism is arranged at one end of the box body, the adsorption mechanism is arranged at the other end of the box body, and the spraying mechanism is arranged between the filtering mechanism and the adsorption mechanism; the blocking mechanism is provided with a pair of blocking mechanisms which are respectively arranged at two sides of the spraying mechanism to divide the interior of the box body into a filtering bin, a spraying bin and an adsorption bin; an air inlet and an air outlet are respectively arranged at two ends of the box body, and a dust discharge port, a replacing port I, a through groove and a replacing port II are arranged on the side edge of the box body; a rubber strip for sealing is arranged at the through groove; the filter mechanism includes motor I, axis of rotation I, auxiliary passage, mounting bracket, filter, extension spring, fixed plate I, fixed plate II. The utility model discloses can avoid the drawback that needs often to change the filter, can make simultaneously spray more evenly.
Description
Technical Field
The utility model belongs to the technical field of exhaust-gas treatment, in particular to environment-friendly industrial waste gas treatment device.
Background
The industrial waste gas refers to pollution gas generated in industrial production, including particle dust, peculiar smell gas, toxic gas and the like, and also includes gas with various components doped with each other; the discharge of a large amount of industrial waste gas causes serious damage to the environment, and further seriously affects the health of people;
1) the existing industrial waste gas treatment mode firstly filters waste gas, but when the waste gas contains more dust or is doped with larger particles, the waste gas can cause larger filtering burden on a filter plate or a filter screen, and the filter screen plate needs to be frequently replaced, so that the filtering efficiency is reduced;
2) the spraying treatment is generally carried out after the filtration, but the existing spraying mode has poor spraying effect and uneven spraying.
Disclosure of Invention
The utility model aims at overcoming not enough among the prior art, providing an environment-friendly industrial waste gas treatment device, can avoid the drawback that needs often to change the filter, can make simultaneously spray more evenly.
In order to realize the purpose, the utility model discloses a technical scheme is:
an environment-friendly industrial waste gas treatment device comprises a box body, a filtering mechanism, a spraying mechanism, an adsorption mechanism and a blocking mechanism; the filtering mechanism, the spraying mechanism, the adsorption mechanism and the blocking mechanism are arranged in the box body; the filtering mechanism is arranged at one end of the box body, the adsorption mechanism is arranged at the other end of the box body, and the spraying mechanism is arranged between the filtering mechanism and the adsorption mechanism; the blocking mechanism is provided with a pair of blocking mechanisms and is respectively arranged on two sides of the spraying mechanism to divide the interior of the box body into a filtering bin, a spraying bin and an adsorption bin.
An air inlet and an air outlet are respectively arranged at two ends of the box body, and a dust discharge port, a replacing port I, a through groove and a replacing port II are arranged on the side edge of the box body; and a rubber sealing strip is arranged at the through groove.
The filtering mechanism comprises a motor I, a rotating shaft I, an auxiliary channel, an installation rack, a filtering plate, a tension spring, a fixing plate I and a fixing plate II; the motor I is fixed at the end part of the box body, the rotating shaft I is fixedly connected with the output end of the motor I, and a key block is arranged at the end part of the rotating shaft I; the auxiliary channel is arranged in the box body, the inner ring of the auxiliary channel is provided with a pair of sliding rails and connectors which are respectively and symmetrically distributed, one end of each sliding rail is connected with the bottom of each connector, the other end of each sliding rail is connected with the top of each connector, the sliding rails are obliquely distributed, and a gradually-changing lifting state is formed from one end to the other end of each sliding rail; the mounting frame is movably connected with the end part of the rotating shaft I, a spline structure is formed by the mounting frame and a key block at the end part of the rotating shaft I, a connecting frame is arranged on one side of the mounting frame, and a rotating circular ring I is arranged on the connecting frame; the two ends of the fixing plate I are fixedly connected with the inner wall of the box body and arranged on one side of the mounting rack, and the fixing plate I is provided with a rotating circular ring II; one end of the tension spring is connected with the rotating ring I, and the other end of the tension spring is connected with the rotating ring II; the side edge of the mounting frame is provided with a pair of insertion ports and ball heads which are symmetrically distributed at 180 degrees, the ball heads are arranged in the slide rails, and the filter plate is inserted into the mounting frame along the insertion ports; two ends of the fixing plate II are fixed on the inner wall of the box body and movably connected with the rotating shaft I to play a role in stabilizing the rotating shaft I.
The blocking mechanism comprises a motor III, a rotating shaft II, a blocking plate I, a fixed seat, a screw and a blocking plate II; the motor III is fixed at the top of the box body, and an output shaft of the motor III is provided with a bevel gear; two ends of the rotating shaft II are fixed on the top of the box body through bearing seats, bevel gears are arranged at two ends and in the middle of the rotating shaft II, and the bevel gear at the middle section is meshed with a bevel gear at the shaft end of the motor III; the baffle plates I are provided with a pair of baffle plates and symmetrically fixed in the box body, and the baffle plates II are provided with a pair of baffle plates and symmetrically arranged in the baffle plates I and can slide in the baffle plates I; the two ends of the resistance plate II are provided with connecting blocks and movably connected with a screw rod after penetrating through the through groove, the screw rod is provided with two-way threads and is respectively connected with the connecting blocks on the resistance plate II through threads, the two ends of the screw rod are fixed on the side edge of the box body through fixing seats, and the top of the screw rod is provided with a bevel gear and is meshed with the bevel gear at the end part of the rotating shaft II.
The spraying mechanism comprises a water tank, a motor II, a fixed arm, a fixed plate III and a spraying pipe; the water tank is fixed at the top of the tank body; the spraying pipe is arranged above the interior of the box body, and two ends of the spraying pipe are rotationally connected with the side wall of the box body; one end of the spraying pipe is provided with a rotary joint and is connected with a water tank through a water pipe, a water pump is arranged in the water tank, the other end of the spraying pipe is fixedly provided with a connecting rod II, and one end of the connecting rod II is fixedly provided with a fixed shaft II; the motor II is fixed at the top of the box body, a connecting rod I is fixedly arranged on an output shaft of the motor II, a fixed shaft I is fixedly arranged at one end of the connecting rod I, and the length of the connecting rod I is smaller than that of the connecting rod II; the fixing plates III are fixed on the side wall of the box body and are respectively positioned on two sides of the spray pipe; the fixed arm is provided with a guide groove, two sides of one end of the fixed arm are provided with guide arms, and the guide arms are inserted into the fixed plate III and can slide left and right; and the fixed shaft I and the fixed shaft II are arranged in the guide groove.
The adsorption mechanism comprises an adsorption plate and a guide rail.
Compared with the prior art, the utility model beneficial effect shows:
1) the spraying mechanism is powered by a motor II and slides in the guide groove through a fixed shaft I so as to drive the fixed arm to slide left and right along the guide arm, so that the spraying pipe is driven to rotate left and right to spray, and the spraying effect is more uniform; when the fixing shaft I drives the fixing arm to move to the leftmost end along the guide arm, the length of the connecting rod I is smaller than that of the connecting rod II, so that the fixing shaft II does not reach the leftmost end at the moment, then the fixing shaft I continuously rotates to drive the fixing arm to move rightwards, the fixing shaft II is driven to reset in the original path and rotate rightwards, and the fixing shaft II is driven to return to the original path through the fixing shaft I to reset to form left-right reciprocating rotation on the same principle when the fixing shaft II does not reach the rightmost end;
2) the filter mechanism is powered by a motor I to drive the mounting frame to rotate along the sliding rail in the auxiliary channel, the mounting frame rotates and is pulled by a tension spring to quickly fall to the bottommost end of the sliding rail at the connecting port after passing through the highest point of the sliding rail to form vibration, so that large particles on the filter plate are vibrated and fall off, and then the mounting frame slides to the highest end of the sliding rail along the lowest end of the sliding rail again and then falls into the connecting port to form circular vibration; accumulated large-particle dust is removed through the dust discharge port, so that the defect of frequent filter plate replacement is avoided, and the filter plate replacement frequency is reduced; when the bulb of mounting bracket side was located the interface and when stall, the interface was located auxiliary channel one side this moment, and accessible interface and change mouthful I are changed the filter.
Drawings
FIG. 1 is a schematic structural view of an environment-friendly industrial waste gas treatment device of the present invention;
FIG. 2 is a schematic view showing the internal structure of the case of FIG. 1;
FIG. 3 is a schematic view of the blocking mechanism of FIG. 2;
FIG. 4 is a schematic diagram of the filter mechanism of FIG. 2;
FIG. 5 is a schematic view of the structure of the auxiliary channel of FIG. 4;
FIG. 6 is a schematic structural view of the mounting bracket of FIG. 4;
FIG. 7 is a schematic structural view of the spray mechanism of FIG. 1;
FIG. 8 is an enlarged view of a portion of FIG. 7;
in the figure: 1. a box body; 101. an air inlet; 102. an air outlet; 103. a dust discharge port; 104. replacing the port I; 105. a through groove; 106. replacing the port II; 2. a filtering mechanism; 201. a motor I; 202. a rotating shaft I; 203. an auxiliary channel; 2031. a slide rail; 2032. a connection port; 204. a mounting frame; 2041. a connecting frame; 2042. rotating the circular ring I; 2043. a ball head; 2044. an interface; 205. a filter plate; 206. a tension spring; 207. a fixing plate I; 2071. rotating the circular ring II; 208. fixing a plate II; 3. a spraying mechanism; 301. a water tank; 302. a motor II; 3021. a connecting rod I; 3022. a fixed shaft I; 303. a fixed arm; 3031. a guide groove; 3032. a guide arm; 304. a fixing plate III; 305. a shower pipe; 3051. a connecting rod II; 3052. a fixed shaft II; 306. a water collection tank; 4. an adsorption mechanism; 401. an adsorption plate; 402. a guide rail; 5. a blocking mechanism; 501. a motor III; 502. a rotating shaft II; 503. a resistance plate I; 504. a fixed seat; 505. a screw; 506. a resistance plate II; 5061. and (4) connecting the blocks.
Detailed Description
For the convenience of understanding of those skilled in the art, the technical solution of the present invention will be further specifically described with reference to fig. 1 to 8.
An environment-friendly industrial waste gas treatment device comprises a box body 1, a filtering mechanism 2, a spraying mechanism 3, an adsorption mechanism 4 and a blocking mechanism 5; the filtering mechanism 2, the spraying mechanism 3, the adsorption mechanism 4 and the blocking mechanism 5 are arranged in the box body 1; the filtering mechanism 2 is arranged at one end of the box body 1, the adsorption mechanism 4 is arranged at the other end of the box body 1, and the spraying mechanism 3 is arranged between the filtering mechanism 2 and the adsorption mechanism 4; the blocking mechanisms 5 are provided with a pair of blocking mechanisms and are respectively arranged at two sides of the spraying mechanism 3 to divide the interior of the box body 1 into a filtering bin, a spraying bin and an adsorption bin; waste gas enters through the gas inlet 101, is filtered through the filtering mechanism 2, enters the spraying mechanism 3 for spraying, is adsorbed through the adsorption mechanism 4 and then is discharged through the gas outlet 102, and the blocking mechanism 5 is used for blocking the inlet and outlet of the waste gas or controlling the air volume.
An air inlet 101 and an air outlet 102 are respectively arranged at two ends of the box body 1, and a dust discharge port 103, a replacing port I104, a through groove 105 and a replacing port II 106 are arranged on the side edge of the box body 1; and a rubber sealing strip is arranged at the position of the through groove 105.
The filter mechanism 2 comprises a motor I201, a rotating shaft I202, an auxiliary channel 203, a mounting frame 204, a filter plate 205, a tension spring 206, a fixing plate I207 and a fixing plate II 208; the motor I201 is fixed at the end part of the box body 1, the rotating shaft I202 is fixedly connected with the output end of the motor I201, and a key block is arranged at the end part of the rotating shaft I202; the auxiliary channel 203 is arranged in the box body 1, a pair of sliding rails 2031 and connecting ports 2032 are arranged on the inner ring of the auxiliary channel 203 and are respectively distributed symmetrically, one end of each sliding rail 2031 is connected with the bottom of the connecting port 2032, the other end of each sliding rail 2031 is connected with the top of the connecting port 2032, the sliding rails 2031 are distributed obliquely, and the state from one end to the other end is gradually raised; the mounting rack 204 is movably connected with the end part of the rotating shaft I202 and forms a spline structure with a key block at the end part of the rotating shaft I202, a connecting rack 2041 is arranged on one side of the mounting rack 204, and a rotating circular ring I2042 is arranged on the connecting rack 2041; two ends of the fixing plate I207 are fixedly connected with the inner wall of the box body 1 and arranged on one side of the mounting frame 204, and a rotating circular ring II 2071 is arranged on the fixing plate I207; one end of the tension spring 206 is connected with a rotating circular ring I2042, and the other end of the tension spring is connected with a rotating circular ring II 2071; the side edge of the mounting frame 204 is provided with a pair of insertion ports 2044 and ball heads 2043 which are symmetrically distributed at 180 degrees, the ball heads 2043 are arranged in the slide rail 2031, and the filter plate 205 is inserted into the mounting frame 204 along the insertion ports 2044; the motor I201 provides power to drive the mounting frame 204 to rotate along the sliding rail 2031 in the auxiliary channel 203, the mounting frame 204 rotates and is pulled by the tension spring 206 after passing through the highest point of the sliding rail 2031 to rapidly fall to the lowest end of the sliding rail 2031 at the connecting port 2032 to form vibration, so that large particles on the filter plate 205 vibrate and fall off, and then the mounting frame 204 slides along the lowest end of the sliding rail 2031 to the highest end of the sliding rail 2031 again and falls into the connecting port 2032 to form circular vibration; accumulated large-particle dust is removed through the dust discharging port 103, so that the replacement frequency of the filter plate 205 is reduced, and the defect that the filter plate 205 is frequently replaced is avoided; when the ball 2043 on the side of the mounting rack 204 is located in the connecting port 2032, the rotation is stopped, and at this time, the socket 2044 is located on the side of the auxiliary channel 203, so that the filter plate 205 can be replaced through the socket 2044 and the replacement port i 104; two ends of the fixing plate II 208 are fixed on the inner wall of the box body 1 and movably connected with the rotating shaft I202 to play a role in stabilizing the rotating shaft I202.
The blocking mechanism 5 comprises a motor III 501, a rotating shaft II 502, a blocking plate I503, a fixed seat 504, a screw rod 505 and a blocking plate II 506; the motor III 501 is fixed at the top of the box body 1, and a bevel gear is arranged on an output shaft of the motor III 501; two ends of the rotating shaft II 502 are fixed on the top of the box body 1 through bearing seats, bevel gears are arranged at two ends and the middle of the rotating shaft II 502, and the bevel gear at the middle section is meshed with a bevel gear at the shaft end of the motor III 501; the resistance plates I503 are provided with a pair of pairs and symmetrically fixed in the box body 1, and the resistance plates II 506 are provided with a pair of pairs and symmetrically arranged in the resistance plates I503 and can slide in the resistance plates I503; two ends of the resistance plate II 506 are provided with connecting blocks 5061 and penetrate through the through groove 105 to be movably connected with a screw 505, the screw 505 is provided with two-way threads and is respectively connected with the connecting blocks 5061 on the resistance plate II 506 through threads, two ends of the screw 505 are fixed on the side edge of the box body 1 through the fixing seat 504, the top of the screw 505 is provided with a bevel gear and is meshed with the bevel gear at the end part of the rotating shaft II 502, the motor III 501 provides power to drive the screw 505, the resistance plate I503 is driven to move up and down along the through groove 105 to realize the effect of controlling air volume or blocking exhaust gas transmission, and a rubber sealing strip arranged in the through groove 105 can seal the through groove 105 formed after the connecting blocks 5061 slide along the up and down sliding of the connecting blocks 5061.
The spraying mechanism 3 comprises a water tank 301, a motor II 302, a fixed arm 303, a fixed plate III 304 and a spraying pipe 305; the water tank 301 is fixed at the top of the tank body 1; the spray pipe 305 is arranged above the interior of the box body 1, and two ends of the spray pipe are rotatably connected with the side wall of the box body 1; one end of the spraying pipe 305 is provided with a rotary joint and is connected with the water tank 301 through a water pipe, a water pump is arranged in the water tank 301 for supplying water, the other end of the spraying pipe 305 is fixedly provided with a connecting rod II 3051, and one end of the connecting rod II 3051 is fixedly provided with a fixed shaft II 3052; the motor II 302 is fixed at the top of the box body 1, a connecting rod I3021 is fixedly arranged on an output shaft of the motor II 302, a fixed shaft I3022 is fixedly arranged at one end of the connecting rod I3021, and the length of the connecting rod I3021 is smaller than that of the connecting rod II 3051; the fixing plates III 304 are arranged in pairs, and the fixing plates III 304 are fixed on the side wall of the box body and are respectively positioned on two sides of the spray pipe 305; a guide groove 3031 is formed in the fixed arm 303, guide arms 3032 are arranged on two sides of one end of the fixed arm 303, and the guide arms 3032 are inserted into the fixed plate III 304 and can slide left and right; the fixed shaft I3022 and the fixed shaft II 3052 are arranged in the guide groove 3031; the motor II 302 provides power, and the fixed shaft I3022 slides in the guide groove 3031 to drive the fixed arm 303 to slide left and right along the guide arm 3032, so that the spray pipe 305 is driven to rotate left and right in a reciprocating manner for spraying, the spraying effect is more uniform, and fine dust in waste gas is further removed; when the fixed shaft I3022 drives the fixed arm 303 to move to the leftmost end along the guide arm 3032, the length of the connecting rod I3021 is smaller than that of the connecting rod II 3051, so that the fixed shaft II 3052 does not reach the leftmost end, then the fixed shaft I3022 continuously rotates to drive the fixed arm 303 to move rightwards, further the fixed shaft II 3052 is driven to reset in the original path and rotate rightwards, and the fixed shaft II 3052 is driven to reset back in the original path through the fixed shaft I3022 to form left-right reciprocating rotation when the fixed shaft II 3052 does not reach the rightmost end under the same principle; the inside of the box body 1 below the spraying mechanism 3 is provided with a water collecting tank 306 and can discharge spraying water.
The adsorption mechanism 4 comprises an adsorption plate 401 and a guide rail 402, and when the adsorption plate 401 is adsorbed to saturation, the adsorption plate is drawn out through a replacement port II 106 for replacement; the peculiar smell in the waste gas is adsorbed and treated by the adsorption mechanism.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (4)
1. An environment-friendly industrial waste gas treatment device comprises a box body, a filtering mechanism, a spraying mechanism, an adsorption mechanism and a blocking mechanism; the device is characterized in that the filtering mechanism, the spraying mechanism, the adsorption mechanism and the blocking mechanism are arranged in the box body; the filtering mechanism is arranged at one end of the box body, the adsorption mechanism is arranged at the other end of the box body, and the spraying mechanism is arranged between the filtering mechanism and the adsorption mechanism; the blocking mechanism is provided with a pair of blocking mechanisms which are respectively arranged at two sides of the spraying mechanism to divide the interior of the box body into a filtering bin, a spraying bin and an adsorption bin; the two ends of the box body are respectively provided with an air inlet and an air outlet, and the side edge of the box body is provided with a dust discharge port, a replacing port I, a through groove and a replacing port II; a rubber sealing strip is arranged at the through groove;
the filter mechanism comprises a motor I, a rotating shaft I, an auxiliary channel, a mounting rack, a filter plate, a tension spring, a fixing plate I and a fixing plate II; the motor I is fixed at the end part of the box body, the rotating shaft I is fixedly connected with the output end of the motor I, and a key block is arranged at the end part of the rotating shaft I; the auxiliary channel is arranged in the box body, the inner ring of the auxiliary channel is provided with a pair of sliding rails and connectors which are respectively and symmetrically distributed, one end of each sliding rail is connected with the bottom of the connector, the other end of each sliding rail is connected with the top of the connector, the sliding rails are obliquely distributed, and the sliding rails are gradually raised from one end to the other end; the mounting frame is movably connected with the end part of the rotating shaft I, a spline structure is formed by the mounting frame and a key block at the end part of the rotating shaft I, a connecting frame is arranged on one side of the mounting frame, and a rotating circular ring I is arranged on the connecting frame; two ends of the fixing plate I are fixedly connected with the inner wall of the box body and arranged on one side of the mounting frame, and a rotating ring II is arranged on the fixing plate I; one end of the tension spring is connected with the rotating ring I, and the other end of the tension spring is connected with the rotating ring II; the side edge of the mounting frame is provided with a pair of insertion ports and ball heads which are symmetrically distributed at 180 degrees, the ball heads are arranged in the slide rails, and the filter plate is inserted into the mounting frame along the insertion ports; two ends of the fixing plate II are fixed on the inner wall of the box body and movably connected with the rotating shaft I.
2. The environment-friendly industrial waste gas treatment device as claimed in claim 1, wherein the blocking mechanism comprises a motor III, a rotating shaft II, a baffle plate I, a fixed seat, a screw rod and a baffle plate II; the motor III is fixed at the top of the box body, and an output shaft of the motor III is provided with a bevel gear; two ends of the rotating shaft II are fixed on the top of the box body through bearing seats, bevel gears are arranged at two ends and in the middle of the rotating shaft II, and the bevel gear at the middle section is meshed with a bevel gear at the shaft end of the motor III; the resistance plates I are provided with a pair of pairs and symmetrically fixed in the box body, and the resistance plates II are provided with a pair of pairs and symmetrically arranged in the resistance plates I and can slide in the resistance plates I; the two ends of the resistance plate II are provided with connecting blocks and movably connected with a screw rod after penetrating through the through groove, the screw rod is provided with two-way threads and is respectively connected with the connecting blocks on the resistance plate II through threads, the two ends of the screw rod are fixed on the side edge of the box body through fixing seats, and the top of the screw rod is provided with a bevel gear and is meshed with the bevel gear at the end part of the rotating shaft II.
3. The environment-friendly industrial waste gas treatment device as claimed in claim 1, wherein the spraying mechanism comprises a water tank, a motor II, a fixed arm, a fixed plate III and a spraying pipe; the water tank is fixed at the top of the tank body; the spraying pipe is arranged above the interior of the box body, and two ends of the spraying pipe are rotationally connected with the side wall of the box body; one end of the spraying pipe is provided with a rotary joint and is connected with a water tank through a water pipe, a water pump is arranged in the water tank, the other end of the spraying pipe is fixedly provided with a connecting rod II, and one end of the connecting rod II is fixedly provided with a fixed shaft II; the motor II is fixed at the top of the box body, a connecting rod I is fixedly arranged on an output shaft of the motor II, a fixed shaft I is fixedly arranged at one end of the connecting rod I, and the length of the connecting rod I is smaller than that of the connecting rod II; the fixing plates III are fixed on the side wall of the box body and are respectively positioned on two sides of the spray pipe; the fixed arm is provided with a guide groove, two sides of one end of the fixed arm are provided with guide arms, and the guide arms are inserted into the fixed plate III and can slide left and right; and the fixed shaft I and the fixed shaft II are arranged in the guide groove.
4. The environmental protection type industrial waste gas treatment device according to claim 1, wherein the adsorption mechanism comprises an adsorption plate and a guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220400914.7U CN216825515U (en) | 2022-02-25 | 2022-02-25 | Environment-friendly industrial waste gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220400914.7U CN216825515U (en) | 2022-02-25 | 2022-02-25 | Environment-friendly industrial waste gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216825515U true CN216825515U (en) | 2022-06-28 |
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ID=82091796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220400914.7U Active CN216825515U (en) | 2022-02-25 | 2022-02-25 | Environment-friendly industrial waste gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216825515U (en) |
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2022
- 2022-02-25 CN CN202220400914.7U patent/CN216825515U/en active Active
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