CN210079050U - Active carbon adsorption tower - Google Patents
Active carbon adsorption tower Download PDFInfo
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- CN210079050U CN210079050U CN201920433026.3U CN201920433026U CN210079050U CN 210079050 U CN210079050 U CN 210079050U CN 201920433026 U CN201920433026 U CN 201920433026U CN 210079050 U CN210079050 U CN 210079050U
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Abstract
The utility model provides an active carbon adsorption tower, which comprises a tower body, a filtering device, a condensing device, an adsorption device, a solvent recovery device and a signal device, wherein the filtering device adopts DPA paint mist filter cotton to preliminarily intercept impurity particles; the condensing device adopts a quartz glass U-shaped pipe, organic substances in the waste gas are condensed into liquid to be separated out after the waste gas is condensed, and the liquid is separated from the gas and then enters the solvent recovery device; gas after the preliminary treatment through filter equipment and condensing equipment gets into adsorption equipment, and the harmful gas is adsorbed to the active carbon, and gas behind the adsorption equipment passes through exhaust duct and discharges. Filter equipment is detachable device, and condensing equipment's design can reduce particulate matter, vapor and other organic substance in the waste gas in advance, has improved adsorption equipment's adsorption efficiency and life cycle, reduces the cost.
Description
Technical Field
The utility model relates to an environmental protection equipment technical field, concretely relates to active carbon adsorption tower.
Background
Environmental issues are one of the most serious challenges facing the 21 st century in china, and environmental protection is a fundamental national interest in ensuring long-term steady growth of economy and realizing sustainable development. The environment problem is solved well and is related to national security, international image, fundamental benefits of the masses and the realization of a comprehensive well-being society. At present, the atmospheric pollution source mainly comes from the following aspects: industry, industry is an important source of atmospheric pollution. The pollutants released into the atmosphere by industry are various and complex in nature, and include smoke, sulfur oxides, nitrogen oxides, organic compounds, halides, carbon compounds and the like. Some of them are smoke and some are gas. Secondly, the method comprises the following steps: domestic stoves and heating boilers, as well as a large number of domestic stoves and heating boilers in cities, consume a large amount of coal, and the coal releases a large amount of harmful substances such as dust, sulfur dioxide, carbon monoxide and the like to pollute the atmosphere in the combustion process. Thirdly, the method comprises the following steps: transportation, automobiles, trains, airplanes, ships are the main transportation vehicles of the present generation, and the waste gas generated by burning coal or petroleum is also an important pollutant. Especially, automobiles in cities are large in quantity and concentrated, and discharged pollutants can directly attack respiratory organs of people, so that the urban air pollution is serious, and the urban air pollution becomes one of main pollution sources of air in large cities.
The active carbon is a nontoxic and tasteless adsorption material, is a hydrophobic and organophilic adsorbent, has a large specific surface area, a multifunctional adsorption site and an abundant surface chemical structure, can fully contact with impurities, and can easily achieve the purpose of absorbing and collecting the impurities. And the activated carbon has simple process and low operation cost, so the activated carbon is widely applied to organic waste gas treatment and odor treatment and purification equipment. The active carbon adsorption tower in the prior art plays an important role in a waste gas treatment process system, and waste gas enters the active carbon adsorption tower and is discharged after being adsorbed by the active carbon. However, the existence of particulate matter, water vapor and organic substances in the exhaust gas affects the adsorption capacity of the activated carbon, increases the replacement frequency of the activated carbon, and has higher cost.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects existing in the prior art, the utility model provides an active carbon adsorption tower with longer service cycle.
The utility model adopts the technical proposal that: an active carbon adsorption tower comprises a tower body 3 and a drawable filtering device arranged in an inner cavity of the tower body 3, wherein the tower body 3 is a cuboid surrounded by a front tower plate, a rear tower plate, an upper tower plate and a lower tower plate, and two ends of the tower body 3 are provided with conical bodies; the left end of the tower body 3 is provided with an air inlet pipe 1, the right end of the tower body is provided with an air outlet pipe 2, the air inlet pipe 1 is provided with a valve I4-1, and the air outlet pipe 2 is provided with a valve II 4-2; a groove 27 is arranged on the lower tower plate of the tower body, a nitrogen inlet 26 is arranged on the upper tower plate of the tower body, and a valve III4-3 is arranged on the nitrogen inlet 26; an opening is arranged at the left side of the tower body 3, the filter device can be arranged at the opening in a drawing mode, and the drawing direction is perpendicular to the axial direction of the tower body 3; the right end of the opening in the tower body 3 is sequentially provided with a condensing device, a turbulence device and an adsorption device.
The opening on the tower body 3 is rectangular; when the filter device is positioned in the tower 3, the filter device has an outer contour adapted to the inner contour of the tower 3.
A clamping groove is formed in the inner wall of the tower body 3 at a position corresponding to the opening, and the filtering device is detachably mounted on the inner wall of the tower body 3 through the corresponding clamping groove; the filter device comprises double-layer filter screens 5, DPA paint mist filter cotton 6 arranged between the double-layer filter screens 5, a handle 7 fixedly welded with one side of the double-layer filter screens 5, and a rubber pad 8 fixed between the handle 7 and the double-layer filter screens 5; the handle 7 is wrapped with a rubber protective sleeve; when the double-layer filter screen 5 is positioned in the tower body 3, the rubber pad 8 is positioned at the connecting position of the opening of the tower body 3 and the handle 7, and the rubber pad 8 is matched with the opening.
The clamping grooves are respectively arranged on the upper tower plate and the lower tower plate and respectively consist of two stainless steel plates 9, the stainless steel plates 9 are rectangular, and the width of the stainless steel plates 9 is 3 cm.
The clamping groove is arranged on the front tower plate and consists of a stainless steel plate 10 with an elastic bulge, and the stainless steel plate 10 with the elastic bulge is a square with the side length of 3 cm.
The condensing device comprises a condensing pipe 11 and an air vent plate 12; an inlet 13 and an outlet 14 are respectively arranged at two ends of the condenser pipe 11, a valve V4-5 and a valve VI4-6 are respectively arranged at the inlet 13 and the outlet 14, the inlet 13 of the condenser pipe 11 extends to the outer side below a rear tower plate of the tower body 3, and the outlet 14 of the condenser pipe 11 extends to the outer side above a front tower plate of the tower body 3; the condenser pipe 11 is in a U-shaped continuous bending shape, and the plane of the condenser pipe 11 is vertical to the tower body 3; a gas-permeable hole plate 12 is arranged at the right end of the condensation pipe 11, the gas-permeable hole plate 12 is made of stainless steel, and a plurality of small gas-permeable holes are uniformly formed in the stainless steel plate; the air permeable plate 12 is detachably attached to the inner wall of the tower body 3 via an air permeable plate attachment plate 15 attached to the inner wall of the tower body 3, the air permeable plate attachment plate 15 is provided with a screw 16, the air permeable plate 12 is provided with a through hole for passing the screw 16, and the air permeable plate 12 is attached to the screw 16 via a nut 17.
The flow disturbing devices are welded on an upper tower plate and a lower tower plate of the tower body and comprise short spoilers 18 and long spoilers 19, and an interval is reserved between the short spoilers 18 and the long spoilers 19 to be used as an air flow channel; the spoilers are all arc-shaped, and the arc-shaped openings of the short spoilers 18 and the long spoilers 19 are oppositely arranged; the spoiler is a carbon fiber spoiler, and the carbon fiber spoiler is made of carbon fiber reinforced epoxy resin composite materials.
The adsorption device comprises a double-layer anti-leakage net 20 and an adsorbent, and the double-layer anti-leakage net 20 is fixed with the inner cavity of the tower body 3; an adsorbent is arranged between the double-layer leakage-proof nets 20, the adsorbent is active carbon, and the shape of the active carbon is spherical, cylindrical, saddle-shaped honeycomb or granular.
The adsorption tower further comprises a recovery device, the recovery device comprises a condensation chamber 21, a condensation pipeline 22, a liquid level sensor and an inductive switch 4-4, the condensation chamber 21 is arranged below the tail end of the tower body 3, the condensation pipeline 22 is arranged between the tower body lower tower plate groove and the condensation chamber 21, and the inductive switch 4-4 is arranged on the condensation pipeline 22 close to the condensation chamber 21; the number of the liquid level sensors is two, the liquid level sensor I23-1 is arranged on the condensation pipeline 22 at the tail end of the groove of the lower tower plate of the tower body, and the liquid level sensor II23-2 is arranged on the condensation pipeline 22 below the inductive switch 4-4; the liquid level sensor is connected with the inductive switch 4-4 through a wire.
The adsorption tower further comprises a detection device, the detection device comprises a waste gas analyzer 24 and an early warning device 25, the waste gas analyzer 24 is a non-diffusion infrared waste gas analyzer and is arranged in the inner cavity of the gas outlet pipe 2; the early warning device 25 is arranged above the tower body 3 at the air outlet end; the exhaust gas analyzer 24 is electrically connected to an early warning device 25.
The filtering device adopted by the utility model is of a drawable type, which is convenient for cleaning the filtering device; DPA paint mist filter cotton is used in the filter device, so that the efficiency of primarily intercepting impurity particles in waste gas is improved, and the damage to the adsorption device is reduced; the arrangement of the condensing device reduces the content of vapor and some organic substances in the waste gas, improves the working efficiency and the service life of the adsorption device, reduces the replacement frequency of the activated carbon, saves time, labor and resources; a liquid level sensor in the recovery device senses liquid level change in time and cleans liquid condensed by the condensing device in time; the carbon fiber spoiler is high in strength and light in weight.
Drawings
FIG. 1 is a schematic sectional view of an activated carbon adsorption tower according to the present invention;
FIG. 2 is a schematic structural view of the condenser tube of FIG. 1;
FIG. 3 is a schematic view of the filter apparatus of FIG. 1;
FIG. 4 is a schematic view of the installation of the filter apparatus of FIG. 1;
FIG. 5 is an enlarged view of the structure at A in FIG. 1;
FIG. 6 is a schematic structural view of a slot on a front tray of the present invention;
FIG. 7 is a schematic structural view of the gas permeable panel of FIG. 1;
FIG. 8 is a schematic structural view of the spoiler blade on the lower tray in FIG. 1;
description of reference numerals:
1, an air inlet pipe; 2-air outlet pipe; 3-a tower body; 4-1-valve I; 4-2-valve II; 4-3-valve III; 4-5-valve V; 4-6-valve VI; 4-4-inductive switch; 5-double-layer filter screen; 6-DPA paint mist filter cotton; 7-a handle; 8-rubber pad; 9-stainless steel plate; 10-stainless steel plate with elastic bulges; 11-a condenser tube; 12-a gas permeable pore plate; 13-inlet of condenser tube; 14-condenser outlet; 15-mounting plate of vent plate; 16-a screw; 17-a nut; 18-short spoilers; 19-long spoiler; 20-double-layer leakage-proof net; 21-a condensation chamber; 22-a condensation duct; 23-1-liquid level sensor I; 23-2-level sensor II; 24-an exhaust gas analyzer; 25-an early warning device; 26-nitrogen inlet; 27-lower tray groove; 28-elastic bulge.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The present invention will be described in detail with reference to the accompanying drawings, in the embodiment of the present invention, an activated carbon adsorption tower comprises a tower body 3, a recovery device, and a drawable filtering device, a condensing device, an adsorption device and a detection device which are arranged in the inner cavity of the tower body from left to right, wherein the tower body 3 is a cuboid which is enclosed by a front tower plate, a rear tower plate, an upper tower plate and a lower tower plate, and two ends of the cuboid are conical bodies; the left end is provided with an air inlet pipe 1, the right end is provided with an air outlet pipe 2, and valves are arranged at the air inlet pipe 1 and the air outlet pipe 2; the upper tower plate of the tower body is provided with a nitrogen inlet 26, and the nitrogen inlet 26 is provided with a valve III 4-3.
An opening is arranged at the left side of the tower body 3, and the opening is rectangular; the filter device can be arranged at the opening in a drawing way, and the drawing direction is vertical to the axial direction of the tower body 3; when the filter device is positioned in the tower body 3, the outline of the filter device is matched with the outline of the tower body 3; the filtering device comprises a double-layer filter screen 5, DPA paint mist filter cotton 6 arranged in the double-layer filter screen 5, a handle 7 which is fixedly welded with one side of the double-layer filter screen 5 and is wrapped with a rubber protective sleeve, and a rubber pad 8 which is fixed between the handle 7 and the double-layer filter screen 5 and is matched with an opening; the inner wall of the tower body 3 is provided with a clamping groove corresponding to the opening position, the filtering device is detachably arranged on the inner wall of the tower body 3 through the corresponding clamping groove, the clamping grooves on the upper tower plate and the lower tower plate are respectively formed by two stainless steel plates 9, the stainless steel plates 9 are rectangular, and the width of the stainless steel plates 9 is 3 cm. The clamping groove arranged on the front tower plate is composed of a stainless steel plate 10 with an elastic bulge, and the stainless steel plate 10 with the elastic bulge is a square with the side length of 3 cm.
Waste gas carries out preliminary treatment through filter equipment earlier after getting into the adsorption tower, detach the particle impurity in the waste gas, after filter equipment's filter capacity reached the saturation, draws handle 7 and dismantles filter equipment down, washs or changes filter equipment. During the installation, place filter equipment in the draw-in groove and push the tower body inside can, easy operation is convenient, and elastic bulge's design makes the fixed more firm of draw-in groove.
The right end of the filtering device is provided with a condensing device which comprises a condensing pipe 11 and an air vent plate 12; a valve V4-5 and a valve VI4-6 are respectively arranged at an inlet 13 and an outlet 14 of the condenser pipe 11, the inlet 13 of the condenser pipe 11 extends to the outer side below the tower body 3, and the outlet 14 of the condenser pipe 11 extends to the outer side above the tower body 3; the condenser pipe 11 is in a U-shaped continuous bending shape, and the plane of the condenser pipe is vertical to the tower body 3; a gas permeable hole plate 12 is arranged at the right end of the condensation pipe 11, and the gas permeable hole plate 12 is a stainless steel plate with a plurality of gas permeable small holes; the air-permeable hole plate 12 is detachably arranged on the inner wall of the tower body 3 through an air-permeable hole plate mounting plate 15 arranged on the inner wall of the tower body 3; the air permeable plate mounting plate 15 is provided with a screw 16, the air permeable plate 12 is provided with a through hole for the screw 16 to pass through, and the air permeable plate 12 is mounted on the screw 16 through a nut 17.
The condensate in the condenser pipe enters from the inlet 13, flows out to the condensing chamber from the outlet 14 after passing through the U-shaped continuously bent condenser pipe, and is continuously recycled after being condensed; the condenser pipe aims at reducing the content of water vapor in waste gas, so that the water vapor in the waste gas is condensed into liquid to be separated out and separated from the gas, and the air vent plate is arranged behind the condenser pipe to prolong the retention time of the gas at the condenser pipe, so that the water vapor in the waste gas is fully condensed.
The right end of the condensing device is provided with a flow disturbing device, the flow disturbing device comprises a short flow disturbing plate 18 and a long flow disturbing plate 19, the short flow disturbing plate 18 and the long flow disturbing plate 19 are welded on an upper tower plate and a lower tower plate of the tower body, and an interval is reserved between the short flow disturbing plate 18 and the long flow disturbing plate 19 to be used as an air flow channel; the short spoiler 18 and the long spoiler 19 are both arc-shaped, and the arc-shaped openings of the short spoiler 18 and the long spoiler 19 are oppositely arranged; the spoiler is a carbon fiber spoiler, and the carbon fiber spoiler is made of carbon fiber reinforced epoxy resin composite materials.
The carbon fiber spoiler is high in strength and light in weight, and the weight of the adsorption tower is reduced.
The right end of the turbulence device is provided with an adsorption device which comprises a double-layer anti-leakage net 20 and an adsorbent, and the double-layer anti-leakage net 20 is vertically fixed with the inner cavity of the tower body 3; the double-layer leakage-proof net 20 is filled with adsorbent which is spherical, cylindrical, saddle-shaped honeycomb or granular active carbon. A small amount of harmful substances still exist in the waste gas passing through the filtering device and the condensing device, and after deep adsorption of the adsorption device, the harmful substances can be further reduced.
The lower end of the gas outlet pipe 2 is provided with a recovery device, liquid condensed by a condenser pipe flows into a condensing chamber 21 after passing through a condensing pipe 22 through a groove 27 on a lower tower plate, when the water level is higher than the position of a liquid level sensor I23-1, the inductive switch is controlled to be in an open state, and when the water level is lower than the position of a liquid level sensor II23-2, the inductive switch is controlled to be in a closed state. The liquid condensed by the condensing pipe is prevented from being accumulated in the adsorption tower.
The inner cavity of the gas outlet pipe 2 is provided with a non-diffusion infrared type waste gas analyzer 24 for detecting indexes after waste gas treatment, an early warning device 25 is arranged above the gas outlet end tower body 3 for reminding workers of the working condition of the adsorption tower, and the non-diffusion infrared type waste gas analyzer 24 is connected with the early warning device 25 through a wire. The detection device has more stable work and higher sensitivity, is convenient for reminding the condition of activated carbon adsorption saturation in time and prevents the phenomenon of incomplete waste gas purification caused by untimely discovery.
When the detection device reminds that the adsorption capacity of the activated carbon is insufficient, the valve I4-1 and the valve II4-2 are closed, the nitrogen inlet valve III4-3 and the inductive switch 4-4 are opened, high-temperature nitrogen is introduced into the adsorption tower, the high-temperature nitrogen is fully contacted with the activated carbon and then discharged to the condensation chamber, the nitrogen with organic matters passes through the condensation chamber, the organic matters are dissolved, and redundant nitrogen is discharged. Thus, the recovery of the organic solvent is realized.
The present invention has been described above with reference to the accompanying drawings, but the technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. An active carbon adsorption tower which is characterized in that: comprises a tower body (3) and a drawable filtering device arranged in the inner cavity of the tower body (3), wherein the tower body (3) is a cuboid surrounded by a front tower plate, a rear tower plate, an upper tower plate and a lower tower plate,
two ends of the tower body (3) are conical bodies; an air inlet pipe (1) is arranged at one end along the length direction of the tower body (3), an air outlet pipe (2) is arranged at the other end, a valve I (4-1) is arranged at the air inlet pipe (1), and a valve II (4-2) is arranged at the air outlet pipe (2); a groove (27) is formed in the lower tower plate of the tower body, a nitrogen inlet (26) is formed in the upper tower plate of the tower body, and a valve III (4-3) is arranged on the nitrogen inlet (26);
an opening is formed in the left side of the tower body (3), the filter device can be arranged at the opening in a drawing mode, and the drawing direction is perpendicular to the axial direction of the tower body (3); the right end of the opening in the tower body (3) is sequentially provided with a condensing device, a turbulence device and an adsorption device.
2. The activated carbon adsorption column of claim 1, wherein: the opening on the tower body (3) is rectangular; when the filter device is positioned in the tower body (3), the outer contour of the filter device is matched with the inner contour of the tower body (3).
3. The activated carbon adsorption column of claim 1, wherein: a clamping groove is formed in the inner wall of the tower body (3) at a position corresponding to the opening, and the filtering device is detachably mounted on the inner wall of the tower body (3) through the corresponding clamping groove; the filter device comprises double-layer filter screens (5), DPA paint mist filter cotton (6) arranged between the double-layer filter screens (5), a handle (7) fixedly welded with one side of each double-layer filter screen (5), and a rubber pad (8) fixed between the handle (7) and the double-layer filter screens (5); the handle (7) is wrapped with a rubber protective sleeve; when double-deck filter screen (5) are located tower body (3), rubber pad (8) are located tower body (3) opening and the hookup location department of handle (7), and this rubber pad (8) with opening looks adaptation.
4. The activated carbon adsorption column of claim 3, wherein: the clamping grooves are respectively arranged on the upper tower plate and the lower tower plate and respectively consist of two stainless steel plates (9), the stainless steel plates (9) are rectangular, and the width of each stainless steel plate (9) is 3 cm.
5. The activated carbon adsorption column of claim 3, wherein: the clamping groove is arranged on the front tower plate and is composed of two stainless steel plates (10) with elastic bulges, and the stainless steel plates are square with the side length of 3 cm.
6. The activated carbon adsorption column of claim 1, wherein: the condensing device comprises a condensing pipe (11) and an air-permeable plate (12); an inlet (13) and an outlet (14) are respectively arranged at two ends of the condenser pipe (11), a valve V (4-5) and a valve VI (4-6) are respectively arranged at the inlet (13) and the outlet (14), the inlet (13) of the condenser pipe (11) extends to the outer side below a rear tower plate of the tower body (3), and the outlet (14) of the condenser pipe (11) extends to the outer side above a front tower plate of the tower body (3); the condenser pipe (11) is in a U-shaped continuous bending shape, and the plane of the condenser pipe (11) is vertical to the tower body (3); a gas-permeable hole plate (12) is arranged at the right end of the condensation pipe (11), the gas-permeable hole plate (12) is a stainless steel plate, and a plurality of small gas-permeable holes are uniformly formed in the stainless steel plate; ventilative hole board (12) are through installing on tower body (3) inner wall bleeder vent board mounting panel (15) demountable installation on tower body (3) inner wall, be provided with screw rod (16) on ventilative hole board mounting panel (15), be provided with the through-hole that is used for supplying screw rod (16) to pass on ventilative hole board (12), ventilative hole board (12) are installed on screw rod (16) through nut (17).
7. The activated carbon adsorption column of claim 1, wherein: the flow disturbance device is welded on an upper tower plate and a lower tower plate of the tower body and comprises a short spoiler (18) and a long spoiler (19), and an interval is reserved between the short spoiler (18) and the long spoiler (19) to serve as an air flow channel; the spoilers are all arc-shaped, and arc-shaped openings of the short spoilers (18) and the long spoilers (19) are oppositely arranged; the spoiler is a carbon fiber spoiler, and the carbon fiber spoiler is made of carbon fiber reinforced epoxy resin composite materials.
8. The activated carbon adsorption column of claim 1, wherein: the adsorption device comprises a double-layer anti-leakage net (20) and an adsorbent, and the double-layer anti-leakage net (20) is fixed with the inner cavity of the tower body (3); an adsorbent is arranged between the double-layer leakage-proof nets (20), the adsorbent is activated carbon, and the activated carbon is spherical, cylindrical, saddle-shaped honeycomb or granular.
9. The activated carbon adsorption column of claim 1, wherein: the adsorption tower further comprises a recovery device, the recovery device comprises a condensation chamber (21), a condensation pipeline (22), a liquid level sensor and an inductive switch (4-4), the condensation chamber (21) is arranged below the tail end of the tower body (3), the condensation pipeline (22) is arranged between a lower tower plate groove of the tower body and the condensation chamber (21), and the inductive switch (4-4) is arranged on the condensation pipeline (22) close to the condensation chamber (21); the number of the liquid level sensors is two, a liquid level sensor I (23-1) is arranged on a condensation pipeline (22) at the tail end of a groove of a lower tower plate of the tower body, and a liquid level sensor II (23-2) is arranged on the condensation pipeline (22) below the inductive switch (4-4); the liquid level sensor is connected with the inductive switch (4-4) through a wire.
10. The activated carbon adsorption column of claim 1, wherein: the adsorption tower also comprises a detection device, the detection device comprises a waste gas analyzer (24) and an early warning device (25), the waste gas analyzer (24) is a non-diffusion infrared waste gas analyzer and is arranged in the inner cavity of the gas outlet pipe (2); the early warning device (25) is arranged above the gas outlet end tower body (3); the exhaust gas analyzer (24) is connected with an early warning device (25) through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920433026.3U CN210079050U (en) | 2019-04-01 | 2019-04-01 | Active carbon adsorption tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920433026.3U CN210079050U (en) | 2019-04-01 | 2019-04-01 | Active carbon adsorption tower |
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| CN210079050U true CN210079050U (en) | 2020-02-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113694638A (en) * | 2021-09-28 | 2021-11-26 | 安徽四邦环境科技有限公司 | High-efficient activated carbon environmental protection exhaust-gas treatment equipment who purifies |
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2019
- 2019-04-01 CN CN201920433026.3U patent/CN210079050U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113694638A (en) * | 2021-09-28 | 2021-11-26 | 安徽四邦环境科技有限公司 | High-efficient activated carbon environmental protection exhaust-gas treatment equipment who purifies |
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