CN219111262U - Moving bed organic waste gas adsorption tower - Google Patents
Moving bed organic waste gas adsorption tower Download PDFInfo
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- CN219111262U CN219111262U CN202223397036.7U CN202223397036U CN219111262U CN 219111262 U CN219111262 U CN 219111262U CN 202223397036 U CN202223397036 U CN 202223397036U CN 219111262 U CN219111262 U CN 219111262U
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- adsorbent
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- organic waste
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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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Abstract
The moving bed organic waste gas adsorption tower comprises a cylindrical tower body, wherein an adsorbent outlet is formed in the bottom of the tower body, and a waste gas inlet is formed in the side face of the bottom of the tower body; organic waste gas firstly passes through a gas distribution cover after entering the tower body, then enters the tower body to be fully contacted with the adsorbent, and purified organic waste gas is discharged from the top of the tower; the gas distribution cover is a cone structure, a silk screen structure plate which is beneficial to gas permeation is arranged above the cone, and a sealed bottom plate is arranged below the cone. Granular adsorbent is injected from the top of the tower and slowly flows downwards by gravity; the adsorbent outlet is provided with an adsorbent discharge control valve.
Description
Technical Field
The utility model belongs to the field of industrial organic waste gas treatment.
Background
The organic waste gas is a pollutant which is easy to generate in a plurality of industrial production processes, is one of main sources of atmospheric pollution and has great harm to human bodies. For the emission of organic waste gas, the country has strict emission standard, so that more and more manufacturers are using various methods to treat the emission of organic waste gas. The main treatment methods are various and summarized into two main types, namely, the organic waste gas is collected and destroyed, such as a thermal oxidation method or a chemical oxidation method, the organic waste gas is converted into water and carbon dioxide and then discharged, and the other type is that the organic waste gas is adsorbed, absorbed or frozen by a physical or chemical method and then is reused.
Among the various treatment methods, the adsorption method has the advantages of low running cost, simple operation, good treatment effect and the like, is widely used, and particularly, the adsorption method is more particularly suitable for the conditions of large gas volume and low concentration, but the fixed bed adsorption is intermittent operation and needs frequent switching or periodic replacement of the adsorbent, thus bringing inconvenience to production.
Disclosure of Invention
In order to solve the problems, the utility model discloses a moving bed organic waste gas adsorption tower, which has the advantages of uniform dispersion of adsorbent, high adsorption efficiency, wide application range, avoiding local temperature rise in the adsorption process, discontinuous continuous operation, production efficiency improvement and the like compared with a fixed bed adsorption tower.
The utility model provides a remove organic waste gas adsorption tower of bed, includes cylindrical adsorption tower, in the adsorption tower lower part outside, has the waste gas entry, has adsorbent export and adsorbent discharge control valve in the tower body bottom, is equipped with purge gas export, adsorbent entry and feed control valve at the adsorption tower top, is equipped with the gas distribution cover in the inside bottom of adsorption tower, is equipped with the adsorbent cap cover in the inside upper end of adsorption tower.
The gas distribution cover is an inverted gyro-shaped hollow shell, the bottom of the gas distribution cover is connected with an exhaust gas inlet pipe, and the upper part of the gas distribution cover is a conical net structure or a wire mesh.
A moving bed organic waste gas adsorption tower, the maximum diameter of the gas distribution cover is 15-50 cm smaller than the inner diameter of the adsorption tower, and the reserved gap is an adsorbent flow channel.
The lower part of the maximum diameter part of the gas distribution cover is a sealing bottom plate, the sealing bottom plate is a circular arc-shaped sealing surface, and the central position of the sealing bottom plate is connected with an exhaust gas inlet pipe.
The gas distribution cover is fixedly connected with the inner wall of the adsorption tower through four connecting ribs, and the connecting ribs are round pipes or flat structures with small upper parts and large lower parts.
An organic waste gas adsorption tower for moving bed is composed of a cover with a circular arch or cone shape, porous plate or metallic net with air-permeable surface, and an adsorbent inlet connected to the central position of circular arch or cone.
The bottom of the moving bed organic waste gas adsorption tower is connected with an adsorbent outlet, and an adsorbent discharge control valve is arranged at the adsorbent outlet.
The adsorbent filled in the adsorption tower is granular active carbon or polymer resin.
Drawings
FIG. 1 shows a structure of an adsorption tower
FIG. 2 is a cross section A of a gas distribution cover of an adsorption tower
FIG. 3 is a cross section B of a gas distribution cover of an adsorption tower
In the drawing, a 1-adsorption tower body, a 2-gas distribution cover, a 3-exhaust gas inlet, a 4-sealing bottom plate, a 5-adsorbent inlet, a 6-purified gas outlet, a 7-adsorbent cover, an 8-adsorbent outlet, a 9-adsorbent discharge control valve, 10, a gas distribution plate, 11-fixing ribs and 12-adsorbent channels.
Detailed description of the preferred embodiments
As shown in the figure, the moving bed organic gas adsorption tower is structurally a cylindrical tower body, an adsorbent inlet, a feeding control valve and a purified gas outlet are arranged at the top of the cylindrical tower body, the adsorbent outlet and an adsorbent discharge control valve are connected to the lower part of the cylindrical tower body, an exhaust gas inlet pipeline is connected to the lower part of the side surface of the cylindrical tower body, and the exhaust gas inlet pipeline penetrates through the central position of the cylindrical tower body and is upwards connected with the bottom of a gas distribution cover. The gas distribution cover is fixedly connected with the inner wall of the adsorption tower through four round pipes or flat connecting ribs with the upper part small and the lower part large, the diameter of the gas distribution cover is 15-50 cm smaller than the inner diameter of the adsorption tower, and the periphery of the gas distribution cover is provided with an adsorbent outflow channel.
The conical surface at the upper end of the gas distribution cover is a porous plate or a wire mesh which is easy for gas to pass through.
The upper end of the inside of the adsorption tower is provided with an adsorbent cover which is in a circular arch shape or a conical shape, the arch surface or the conical surface is a porous plate or a wire mesh which is easy for gas to pass through, the central position of the adsorbent cover is connected with an adsorbent inlet, and the adsorbent cover extends out of the adsorption tower and is connected with an adsorbent inlet pipeline.
The lower end of the outer side of the adsorption tower is provided with an exhaust gas inlet, the exhaust gas passes through a gas distribution cover from the exhaust gas inlet, and is discharged from a clean gas outlet at the top of the tower through an adsorbent cover at the upper end of the adsorption tower after fully contacting with the adsorbent slowly flowing downwards in the tower body of the adsorption tower through a gas distribution plate.
The adsorbent flows from the adsorbent inlet through the tower top adsorbent cover to the tower naturally under the action of gravity to form a conical stacked adsorption layer similar to the tower bottom gas distribution cover in shape, the whole adsorbent slowly flows downwards in a whole manner according to the flow speed and concentration of the adsorbed gas, flows from the periphery of the gas distribution cover to the tower bottom at the tower bottom, is discharged from the adsorbent outlet, and the adsorbent discharge speed is regulated by an adsorbent discharge control valve arranged at the discharge outlet.
Claims (6)
1. A moving bed organic waste gas adsorption tower is characterized in that: the outer side surface of the lower end of the adsorption tower body is provided with an exhaust gas inlet, the bottom is provided with an adsorbent outlet and an adsorbent discharge control valve, and the top is provided with an adsorbent inlet, a feed control valve and a purified gas outlet; in the adsorption tower body, the lower end is provided with a gas distribution cover, the adsorbent flows out of the channel, and the top end is provided with an adsorbent cover.
2. The moving bed organic waste gas adsorption tower according to claim 1, wherein: the gas distribution cover is in an inverted gyroscope shape, a cavity is formed in the gas distribution cover, and the maximum diameter of the cavity is 15-50 cm smaller than the inner diameter of the adsorption tower; the tip of the gas distribution cover is upwards arranged, and the upper part of the gas distribution cover from the maximum diameter is in a cone shape; the angle of the top end of the cone is 40-90 degrees; the lower part of the maximum diameter of the gas distribution cover is in an inverted circular arch shape.
3. The moving bed organic waste gas adsorption tower according to claim 1, wherein: the upper part of the maximum diameter part of the gas distribution cover is a gas distribution plate, the gas distribution plate is of an easily breathable pore plate or wire mesh structure, the lower circular arch surface of the maximum diameter part is a sealing bottom plate, and an inlet of an exhaust gas pipeline is connected in the middle of the sealing bottom plate.
4. The moving bed organic waste gas adsorption tower according to claim 1, wherein: the gas distribution cover is fixedly connected to the inner wall of the adsorption tower through four fixing ribs, and the fixing ribs are round tubes or flat with small upper part and large lower part.
5. The moving bed organic waste gas adsorption tower according to claim 1, wherein: the adsorbent cover is conical or dome-shaped, the maximum diameter of the adsorbent cover is the same as the inner diameter of the adsorption tower, and an adsorbent inlet is connected to the central position of the top of the cover; the cover is a porous plate or wire mesh that is easily breathable.
6. The moving bed organic waste gas adsorption tower according to claim 1, wherein the adsorption tower is filled with granular adsorbent, and the granular adsorbent can be polymer resin or activated carbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223397036.7U CN219111262U (en) | 2022-12-19 | 2022-12-19 | Moving bed organic waste gas adsorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223397036.7U CN219111262U (en) | 2022-12-19 | 2022-12-19 | Moving bed organic waste gas adsorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219111262U true CN219111262U (en) | 2023-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223397036.7U Active CN219111262U (en) | 2022-12-19 | 2022-12-19 | Moving bed organic waste gas adsorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219111262U (en) |
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2022
- 2022-12-19 CN CN202223397036.7U patent/CN219111262U/en active Active
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