CN215538921U - Impurity filtering device for n-butane method maleic anhydride production solvent system - Google Patents
Impurity filtering device for n-butane method maleic anhydride production solvent system Download PDFInfo
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- CN215538921U CN215538921U CN202121344511.7U CN202121344511U CN215538921U CN 215538921 U CN215538921 U CN 215538921U CN 202121344511 U CN202121344511 U CN 202121344511U CN 215538921 U CN215538921 U CN 215538921U
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- maleic anhydride
- solvent system
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Abstract
The utility model discloses an impurity filtering device for a maleic anhydride production solvent system by an n-butane method, which comprises a filter cylinder body, wherein the upper surface of the filter cylinder body is provided with a filter cover plate, the filter cylinder body and the filter cover plate are connected through a fastener, a filter basket is arranged in the filter cylinder body, two sides of the filter basket are provided with hanging rings, the use of the hanging rings is convenient for replacing the filter basket, the use convenience is improved, a filter screen is arranged in the filter basket, the impurity filtering device for the maleic anhydride production solvent system by the n-butane method reduces the mesh number of the filter screen and prolongs the service cycle of the filter, after pall rings are filled in the impurity filtering device, the filtering effect of the filter is ensured, and meanwhile, the pall rings have the capacity of storing impurities such as heavy oil and the like inside and the outside, and the switching cycle of the filter is reduced, the filtering capacity of the device is greatly improved, and the running stability of the device is ensured.
Description
Technical Field
The utility model relates to the technical field of filtration, in particular to an impurity filtering device for a maleic anhydride production solvent system by a normal butane method.
Background
In the production process of maleic anhydride by the n-butane method, impurities such as heavy oil and the like are generated in a side reaction in a reactor and enter a solvent system to accelerate the decomposition of the solvent. The production and operation cost is increased, impurities such as heavy oil generated by reaction can cause phenomena such as tower tray blockage, demister blockage, instrument failure and the like, the long-period stable operation of the device is influenced, the impurities are intercepted only by the filter screen with the pipe diameter of the inlet and the outlet of the filter, the filtering effect is poor, the scale storage capacity is poor, and great influence is caused on production and operation.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, provides an impurity filtering device for a maleic anhydride production solvent system by a normal butane method, ensures that the decomposition speed of a solvent is reduced, saves the production cost, increases the operation period of equipment after increasing the interception efficiency, ensures the operation stability of the device, and can effectively solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: the impurity filtering device for the n-butane method maleic anhydride production solvent system comprises a filter cylinder body, wherein a filter basket is arranged in the filter cylinder body, a filter screen is arranged in the filter basket, the mesh number of the filter screen is mesh-mesh, and a pall ring is arranged in the filter screen.
As a preferable technical scheme of the utility model, the upper surface of the filter cylinder body is provided with a filter cover plate, and the filter cylinder body and the filter cover plate are connected through a fastening piece.
As a preferred technical scheme of the utility model, the filter basket and the filter screen are in transition fit.
As a preferred technical scheme of the utility model, the mesh number of the filter screen is 200 meshes.
As a preferable technical solution of the present invention, both sides of the strainer basket are provided with hanging rings.
Compared with the prior art, the utility model has the beneficial effects that: this an impurity filtering device for normal butane method maleic anhydride production solvent system reduces filter screen mesh number through reforming transform the filter, increases the life cycle of filter, and after inside loads pall ring, guaranteed the filter effect of filter, the pall ring all has the ability of storing impurity such as heavy oil simultaneously inside and outside, has reduced the cycle that the filter switches, improves the filter capacity of device greatly, guarantees the stability of device operation.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: 1 filter cylinder, 2 filter baskets, 3 filter screens, 4 pall rings, 5 filter cover plates and 6 hanging rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the utility model. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present invention.
Referring to fig. 1, the present invention provides a technical solution: an impurity filtering device for a maleic anhydride production solvent system by a normal butane method comprises a filter cylinder body 1, wherein a filter cover plate 5 is arranged on the upper surface of the filter cylinder body 1, the filter cylinder body 1 and the filter cover plate 5 are connected through a fastener, a filter basket 2 is arranged in the filter cylinder body 1, two sides of the filter basket 2 are provided with hanging rings 6, the hanging rings 6 are convenient to use and replace the filter basket 2, the use convenience is improved, a filter screen 3 is arranged in the filter basket 2, the filter basket 2 and the filter screen 3 are in transition fit, the mesh number of the filter screen 3 is 80-1500 meshes, the mesh number of the filter screen 3 is 200 meshes, an Halioten ring 4 is arranged in the filter screen 3, the Halioten ring 4 is a novel filler, and rectangular window holes are formed in the side wall, the louver of the window hole is bent into the ring core, the distribution performance of liquid is excellent, especially the inner surface area of the ring can be fully utilized, the efficiency is effectively improved, the pall ring 4 ensures the filtering effect, meanwhile, the pall ring 4 has the capability of storing impurities such as heavy oil inside and outside, the switching period of the filter is reduced, the service life of the device is prolonged, the operation cost is reduced, the filtering effect of the device is improved, and the operation stability is ensured.
When in use: the filter basket 2 is placed into the filter basket 1, the filter screen 4 is placed into the filter basket 2, the pall ring 4 is placed into the filter basket 2, the filter cover plate 5 is placed corresponding to the filter cylinder 1, and the filter cover plate and the filter cylinder are locked through fasteners.
The utility model improves the filtering effect of the device, ensures the stability of operation, reduces the mesh number of the filter screens and prolongs the service cycle of the filter by modifying the filter, has the capacity of storing impurities such as heavy oil inside and outside the pall ring 4, reduces the switching cycle of the filter, greatly improves the filtering capacity of the device and ensures the stability of the operation of the device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An impurity filtering device for a maleic anhydride production solvent system by a normal butane method comprises a filter cylinder body (1), and is characterized in that: the filter is characterized in that a filter basket (2) is arranged in the filter cylinder body (1), a filter screen (3) is arranged in the filter basket (2), the number of the filter screen meshes of the filter screen (3) is 80-1500 meshes, and a pall ring (4) is arranged in the filter screen (3).
2. The impurity filtering device for the maleic anhydride production solvent system by the n-butane method according to claim 1, wherein: the upper surface of the filter cylinder body (1) is provided with a filter cover plate (5), and the filter cylinder body (1) is connected with the filter cover plate (5) through a fastening piece.
3. The impurity filtering device for the maleic anhydride production solvent system by the n-butane method according to claim 1, wherein: the filter basket (2) and the filter screen (3) are in transition fit.
4. The impurity filtering device for the maleic anhydride production solvent system by the n-butane method according to claim 1, wherein: the mesh number of the filter screen (3) is 200 meshes.
5. The impurity filtering device for the maleic anhydride production solvent system by the n-butane method according to claim 1, wherein: and hanging rings (6) are arranged on two sides of the filter basket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121344511.7U CN215538921U (en) | 2021-06-17 | 2021-06-17 | Impurity filtering device for n-butane method maleic anhydride production solvent system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121344511.7U CN215538921U (en) | 2021-06-17 | 2021-06-17 | Impurity filtering device for n-butane method maleic anhydride production solvent system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215538921U true CN215538921U (en) | 2022-01-18 |
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ID=79817769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121344511.7U Active CN215538921U (en) | 2021-06-17 | 2021-06-17 | Impurity filtering device for n-butane method maleic anhydride production solvent system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215538921U (en) |
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2021
- 2021-06-17 CN CN202121344511.7U patent/CN215538921U/en active Active
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