CN210522152U - Air filter device - Google Patents
Air filter device Download PDFInfo
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- CN210522152U CN210522152U CN201921307442.5U CN201921307442U CN210522152U CN 210522152 U CN210522152 U CN 210522152U CN 201921307442 U CN201921307442 U CN 201921307442U CN 210522152 U CN210522152 U CN 210522152U
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- air filter
- outer cylinder
- outlet pipe
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Abstract
The utility model relates to the technical field of air-stripping air filtration of an air stripping tower at a decarbonization section of a synthetic ammonia plant, in particular to an air filter device, which comprises a cylinder body and a cone body, wherein an outlet pipe and a rotational flow plate are arranged in the cylinder body, and the cone body is arranged at the lower part of the cylinder body; the air is baffled for many times in the device and is filtered fully; the silk screen at the air inlet is used for removing larger substances entrained in the air; waste NHD solution which is free of oil and water is selected as an adsorbent, so that the absorption effect is good; the filter has stable internal operation and good worry effect. Adopt the utility model provides a impurity, dust etc. smugglied secretly in the NHD decarbonization air cleaner device can effectively the deaerate, carry out fine filtration to the air.
Description
Technical Field
The utility model discloses synthetic ammonia plant decarbonization workshop section air stripping air filtration technical field, more specifically say, relate to an air cleaner device.
Background
The existing ammonia synthesis enterprises adopt NHD (polyethylene glycol dimethyl ether) decarburization process at most when gas is changed for decarburization, decarburization liquid adopts decompression and air stripping modes when the stripping tower is regenerated, and adopts a simpler filtering mode when air entering the stripping tower is filtered, so that dust in the air cannot be filtered, and the NHD decarburization liquid is easily polluted by the dust in the air. Some air filters are coated with a layer of sponge, but the air resistance is increased, which causes the increase of the power consumption of air stripping.
SUMMERY OF THE UTILITY MODEL
In order to overcome the deficiencies in the prior art, the utility model provides an air filter device solves the current incomplete scheduling problem of entering air stripping tower filtration.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
an air filter device comprises a cylinder body and a cone body, wherein the cylinder body comprises an outer cylinder body and an inner cylinder body; an air inlet is formed in the outer side of the outer cylinder, an inner cylinder is fixedly arranged in the outer cylinder, and a cone is arranged at the lower part of the outer cylinder; an outlet pipe is arranged in the inner cylinder, the lower end of the outlet pipe and the lower end of the inner cylinder are positioned on the same horizontal plane, the top of the outlet pipe penetrates through the top of the outer cylinder and extends out of the outer cylinder, the bottom of the outlet pipe is sealed, and a filter screen is arranged in the middle of the pipe body; the inner lower part of the inner cylinder body is provided with a rotational flow plate, the excircle of the rotational flow plate is fixedly connected with the inner wall of the inner cylinder body, and the inner circle of the rotational flow plate is fixedly connected with the outer wall of the outlet pipe; the centrum is connected with the outer cylinder in a sealing way, waste NHD decarburization solution is filled in the centrum, and the lower part of the centrum is provided with a valve.
Furthermore, a plurality of air inlets are arranged on the outer side of the outer cylinder body at equal intervals.
Further, a wire mesh is arranged at the air inlet.
Further, the aperture of the silk screen is 1 cm.
Furthermore, the middle part of the inner cylinder body is provided with meshes or grids, and a filter screen is wound outside the meshes or grids.
Furthermore, the aperture of the filter screen is 10-30 meshes.
Further, the outer cylinder body is welded with the top of the inner cylinder body in a sealing mode.
Furthermore, the central lines of the outer cylinder and the inner cylinder are superposed and form a concentric cylinder, and the radius difference between the outer cylinder and the inner cylinder is 10-20 cm.
Further, waste NHD decarburization solution is filled in the vertebral body.
Compared with the prior art, the utility model discloses the beneficial effect who has does:
the utility model provides an air filter device, which comprises a cylinder body and a cone body, wherein an outlet pipe and a rotational flow plate are arranged in the cylinder body, and the cone body is arranged at the lower part of the cylinder body; the air is baffled for many times in the device and is filtered fully; the silk screen at the air inlet is used for removing larger substances entrained in the air; waste NHD solution which is free of oil and water is selected as an adsorbent, so that the absorption effect is good; the filter has stable internal operation and good worry effect. Adopt the utility model provides a impurity, dust etc. smugglied secretly in the NHD decarbonization air cleaner device can effectively the deaerate, carry out fine filtration to the air.
Drawings
Fig. 1 is a schematic view of an air filter device according to the present invention.
Fig. 2 is a schematic view of an air inlet.
In the figure: 1 is a cone, 2 is an outer cylinder, 3 is an inner cylinder, 4 is an air inlet, 5 is an outlet pipe, 6 is a filter screen, 7 is a rotational flow plate, 8 is NHD decarburization solution, 9 is a valve and 10 is a wire mesh.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, an air filter device comprises a cylinder body and a cone body 1, wherein the cylinder body comprises an outer cylinder body 2 and an inner cylinder body 3; an air inlet 4 is formed in the outer side of the outer cylinder 2, an inner cylinder 3 is fixedly arranged in the outer cylinder 2, and a cone 1 is arranged at the lower part of the outer cylinder 2; an outlet pipe 5 is arranged in the inner barrel 3, the lower end of the outlet pipe 5 and the lower end of the inner barrel 3 are positioned on the same horizontal plane, the top of the outlet pipe 5 penetrates through the top of the outer barrel 2 and extends out of the outer barrel 2, the bottom of the outlet pipe is sealed, and a filter screen 6 is arranged in the middle of the pipe body; a rotational flow plate 7 is arranged at the inner lower part of the inner cylinder 3, the excircle of the rotational flow plate 7 is fixedly connected with the inner wall of the inner cylinder 3, and the inner circle of the rotational flow plate 7 is fixedly connected with the outer wall of the outlet pipe 5; the cone 1 is connected with the outer cylinder 2 in a sealing way, and the lower part of the cone 1 is provided with a valve 9.
In this embodiment, a plurality of air inlets 4 are equidistantly formed on the outer side of the outer cylinder 2. As shown in fig. 2, a wire mesh 10 is provided at the air inlet 4. The aperture of the silk screen 10 is 1 cm.
In this embodiment, the middle of the inner cylinder 3 is provided with a mesh or grid, and the mesh or grid is wound with a filter screen 6. The aperture of the filter screen 6 is 10-30 meshes.
In the embodiment, the outer cylinder 2 is welded with the top of the inner cylinder 3 in a sealing way.
In this embodiment, the central lines of the outer cylinder 2 and the inner cylinder 3 are coincident, and the radius difference between the outer cylinder 2 and the inner cylinder 3 is 10-20 cm.
In this example, the vertebral body 1 is filled with a spent NHD decarbonation solution 5.
When the air filter device is in operation, air firstly passes through the wire mesh 10 arranged at the air inlet 4 to remove larger impurities carried in the air; air enters the filter and is deflected downwards when meeting the inner cylinder, the impact force of the air is contacted with the NHD decarburization solution 8 in the cone 1, and dust in the air is adsorbed by the NHD decarburization solution 8; after dust NHD decarburization solution 8 in the air is adsorbed, baffling upwards, and removing entrained NHD liquid drops through a cyclone plate 7; the air is baffled again after passing through the cyclone plate 7, transversely passes through the filter screen 6 arranged on the outlet pipe 5, is sent out from the outlet pipe 5, and is removed with entrained liquid drops again; when air enters the outlet pipe 5, the air enters transversely, and the entrained liquid drops sink into the NHD decarburization solution 8 under the action of gravity, so that the countercurrent contact with the liquid drops is avoided, and the amount of the liquid drops entrained by the air is reduced; because the NHD decarbonization solution 8 is not oil nor water, the waste NHD solution is selected as the adsorbent, and the operation effect is good.
The above description has been made in detail only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art, and all such changes are intended to be encompassed by the present invention.
Claims (9)
1. An air filter arrangement characterized by: comprises a cylinder body and a cone body (1), wherein the cylinder body comprises an outer cylinder body (2) and an inner cylinder body (3); an air inlet (4) is formed in the outer side of the outer cylinder (2), an inner cylinder (3) is fixedly arranged in the outer cylinder (2), and a cone (1) is arranged at the lower part of the outer cylinder (2); an outlet pipe (5) is arranged in the inner barrel (3), the lower end of the outlet pipe (5) and the lower end of the inner barrel (3) are positioned on the same horizontal plane, the top of the outlet pipe (5) penetrates through the top of the outer barrel (2) and extends out of the outer barrel (2), the bottom of the outlet pipe is sealed, and a filter screen (6) is arranged in the middle of the pipe body; a swirl plate (7) is arranged at the inner lower part of the inner cylinder (3), the excircle of the swirl plate (7) is fixedly connected with the inner wall of the inner cylinder (3), and the inner circle of the swirl plate (7) is fixedly connected with the outer wall of the outlet pipe (5); the cone (1) is connected with the outer cylinder (2) in a sealing way, and the lower part of the cone (1) is provided with a valve (9).
2. An air filter arrangement according to claim 1 wherein: a plurality of air inlets (4) are arranged on the outer side of the outer cylinder body at equal intervals.
3. An air filter arrangement according to claim 1 or 2, wherein: a silk screen (10) is arranged at the air inlet.
4. An air filter arrangement according to claim 3 wherein: the aperture of the silk screen (10) is 1 cm.
5. An air filter arrangement according to claim 1 wherein: the middle part of the inner cylinder body (3) is provided with meshes or grids, and a filter screen (6) is wound outside the meshes or grids.
6. An air filter arrangement according to claim 5 wherein: the aperture of the filter screen (6) is 10-30 meshes.
7. An air filter arrangement according to claim 1 wherein: the top of the outer cylinder (2) is hermetically welded with the top of the inner cylinder (3).
8. An air filter arrangement according to claim 1 wherein: the central lines of the outer cylinder body (2) and the inner cylinder body (3) are superposed, and the radius difference between the outer cylinder body (2) and the inner cylinder body (3) is 10-20 cm.
9. An air filter arrangement according to claim 1 wherein: waste NHD decarburization solution (8) is filled in the cone body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921307442.5U CN210522152U (en) | 2019-08-13 | 2019-08-13 | Air filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921307442.5U CN210522152U (en) | 2019-08-13 | 2019-08-13 | Air filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210522152U true CN210522152U (en) | 2020-05-15 |
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ID=70601351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921307442.5U Active CN210522152U (en) | 2019-08-13 | 2019-08-13 | Air filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210522152U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110327728A (en) * | 2019-08-13 | 2019-10-15 | 阳煤丰喜肥业（集团）有限责任公司 | A kind of air filter arrangement |
-
2019
- 2019-08-13 CN CN201921307442.5U patent/CN210522152U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110327728A (en) * | 2019-08-13 | 2019-10-15 | 阳煤丰喜肥业（集团）有限责任公司 | A kind of air filter arrangement |
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