Equipment for filtering organic gas in pyromellitic dianhydride tail gas
By combining activated carbon adsorption and flamethrower combustion in cherodextyl acid dianhydride exhaust gas treatment equipment, the problem of organic gas treatment in the exhaust gas is solved, and a better purification effect is achieved and air pollution is prevented.
Patent Information
- Application Number
- CN202420995565.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-09
AI Technical Summary
The exhaust gas produced during the processing of phenylalic acid dianhydride contains a large amount of flammable, explosive, toxic and harmful organic gases, which are difficult to effectively deal with in the prior art, resulting in air pollution.
A device is designed, including an adsorption box and a combustion box. The adsorption box is equipped with activated carbon for adsorption treatment. The organic gas is not adsorbed into the combustion box and burned through a flamethrower. The organic gas is treated with two methods: adsorption and combustion.
The organic gas is processed through adsorption and combustion, which significantly improves the filtration effect of the organic gas, ensures the purification of exhaust gas, and avoids air pollution.
Smart Images

Figure CN222286861U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of organic gas filtering and processing, in particular to a device for filtering organic gas in tail gas of pyromellitic anhydride. Background Art
[0002] Pyromellitic anhydride, referred to as anhydride, is a white or slightly yellow crystal in pure form. During the processing of pyromellitic anhydride, the tail gas will contain a large amount of organic gas. Organic waste gas is generally flammable and explosive, toxic and harmful, insoluble in water, soluble in organic solvents, and difficult to handle. Therefore, the tail gas needs to be treated before being discharged, otherwise it will cause air pollution.
[0003] Therefore, a device for filtering organic gas in the tail gas of pyromellitic anhydride is needed to improve the above problems. Utility Model Content
[0004] The utility model aims to provide a device for filtering organic gas in the tail gas of pyromellitic dianhydride to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A device for filtering organic gas in tail gas of isomellitic anhydride, comprising an adsorption box, a jack is provided on the top of the adsorption box, an adsorption box is arranged inside the jack, activated carbon is installed inside the adsorption box, adsorption holes are evenly provided on the surface of the adsorption box, a top plate is provided on the upper side of the adsorption box, a slot is provided on the bottom of the top plate, bolts are provided on the left and right sides of the top surface of the top plate, a first handle is installed in the middle of the top of the top plate, an air intake pipe is provided on the front of the adsorption box, a connecting pipe is provided on the back of the adsorption box, a combustion box is provided at the rear end of the connecting pipe, a flamethrower is installed in the middle of the top of the combustion box, a dust box is provided at the bottom of the combustion box, an opening is provided on the right side of the dust box, a collecting box is provided in the dust box, a second handle is provided on the right side of the collecting box, an exhaust port is provided on the rear side of the top of the combustion box, and a filter is provided inside the exhaust port.
[0007] As a preferred solution of the utility model, the connection between the adsorption box and the socket is a sliding plug-in connection.
[0008] As a preferred solution of the utility model, a box opening is opened on the top of the adsorption box, and the connection structure between the adsorption box and the slot is a sliding plug-in connection.
[0009] As a preferred solution of the utility model, the bolt passes through the top plate and is connected to the adsorption box, and the connection between the bolt and the top plate and the adsorption box is a threaded connection.
[0010] As a preferred solution of the present invention, the collection box and the dust box are connected in a sliding manner.
[0011] As a preferred solution of the utility model, the dust collecting box and the combustion box are interconnected.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. In the utility model, the adsorption box and activated carbon are provided to adsorb and filter the organic gas, and the combustion box and flamethrower are provided to burn and treat the organic gas. The organic gas is treated by both adsorption and combustion, so that the effect of organic gas treatment and filtration can be better. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the structure of the adsorption box of the utility model;
[0016] Figure 3 This is a schematic diagram of the structure of the adsorption box of the utility model;
[0017] Figure 4 This is a schematic diagram of the bottom surface structure of the top plate of the utility model;
[0018] Figure 5 This is a schematic diagram of the structure of the combustion box and dust collection box of the utility model.
[0019] In the figure: 1. adsorption box; 2. socket; 3. adsorption box; 4. activated carbon; 5. adsorption hole; 6. top plate; 7. slot; 8. bolt; 9. first handle; 10. air inlet pipe; 11. connecting pipe; 12. combustion box; 13. flamethrower; 14. dust collection box; 15. opening; 16. collection box; 17. second handle; 18. exhaust port; 19. filter. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0022] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
[0023] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.
[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.
[0025] See also Figure 1-5 , the utility model provides a technical solution:
[0026] A device for filtering organic gas in tail gas of pyromellitic anhydride, comprising an adsorption box 1, a plug hole 2 is provided on the top of the adsorption box 1, an adsorption box 3 is arranged inside the plug hole 2, activated carbon 4 is arranged inside the adsorption box 3, adsorption holes 5 are evenly arranged on the surface of the adsorption box 3, a top plate 6 is provided on the upper side of the adsorption box 3, a slot 7 is provided on the bottom of the top plate 6, bolts 8 are arranged on the left and right sides of the top surface of the top plate 6, a first pull handle 9 is installed in the middle of the top of the top plate 6, and an inlet is arranged on the front of the adsorption box 1. An air pipe 10, a connecting pipe 11 is provided on the back of the adsorption box 1, a combustion box 12 is provided at the rear end of the connecting pipe 11, a flamethrower 13 is installed at the top middle of the combustion box 12, a dust collecting box 14 is provided at the bottom of the combustion box 12, an opening 15 is provided on the right side of the dust collecting box 14, a collecting box 16 is provided in the dust collecting box 14, a second handle 17 is provided on the right side of the collecting box 16, an exhaust port 18 is provided on the rear side of the top of the combustion box 12, and a filter screen 19 is provided inside the exhaust port 18.
[0027] In this embodiment, the connection between the adsorption box 3 and the socket 2 is a sliding plug-in connection, a box opening is opened on the top of the adsorption box 3, and the connection structure between the adsorption box 3 and the slot 7 is a sliding plug-in connection, the bolt 8 passes through the top plate 6 and is connected to the adsorption box 3, and the connection method between the bolt 8 and the top plate 6 and the adsorption box 3 is a threaded connection, which can facilitate the disassembly of the adsorption box 3 and the top plate 6, and also facilitate the replacement and cleaning of the activated carbon 4, the connection method between the collection box 16 and the dust box 14 is a sliding connection, and the dust box 14 and the combustion box 12 are mutually connected, so as to facilitate the collection and treatment of dust after the combustion of organic gas, and the organic gas can be adsorbed, treated and filtered by the set adsorption box 3 and activated carbon 4, and the set combustion box 12 and flamethrower 13 can burn and treat the organic gas, and the organic gas is treated by adsorption and combustion, so that the effect of organic gas treatment and filtration can be better.
[0028] The working process of the utility model is as follows: when in use, first add the gas into the adsorption box 1 from the air inlet pipe 10, then the organic gas will enter the adsorption box 3 through the adsorption hole 5, then the activated carbon will adsorb the organic gas, then the organic gas that is not adsorbed will enter the combustion box 14 through the connecting pipe 11, then the flamethrower 13 is started to burn the organic gas, then the burned ashes will fall into the collection box 16, and finally the filtered gas will be discharged from the exhaust port 18. The adsorption box 3 and activated carbon 4 provided can adsorb and filter the organic gas, and the combustion box 12 and flamethrower 13 provided can burn the organic gas. The organic gas is treated by both adsorption and combustion, so that the effect of organic gas treatment and filtration can be better.
[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A device for filtering organic gas in tail gas of pyromellitic anhydride, comprising an adsorption box (1), characterized in that: The adsorption box (1) is provided with a socket (2) at the top, an adsorption box (3) is arranged inside the socket (2), activated carbon (4) is installed inside the adsorption box (3), adsorption holes (5) are evenly arranged on the surface of the adsorption box (3), a top plate (6) is arranged on the upper side of the adsorption box (3), a slot (7) is arranged at the bottom of the top plate (6), bolts (8) are arranged on the left and right sides of the top surface of the top plate (6), a first handle (9) is installed in the middle of the top of the top plate (6), an air intake pipe (10) is arranged on the front of the adsorption box (1), and the adsorption box (1) is provided with a plurality of air intake pipes (11). A connecting pipe (11) is provided on the back side, a combustion box (12) is provided at the rear end of the connecting pipe (11), a flamethrower (13) is installed at the middle of the top of the combustion box (12), a dust collecting box (14) is provided at the bottom of the combustion box (12), an opening (15) is provided on the right side of the dust collecting box (14), a collecting box (16) is provided in the dust collecting box (14), a second handle (17) is provided on the right side of the collecting box (16), an exhaust port (18) is provided on the rear side of the top of the combustion box (12), and a filter screen (19) is provided inside the exhaust port (18).
2. A device for filtering organic gas in the tail gas of pyromellitic anhydride according to claim 1, characterized in that: The connection between the adsorption box (3) and the socket (2) is a sliding plug-in connection.
3. A device for filtering organic gas in the tail gas of pyromellitic anhydride according to claim 1, characterized in that: The top of the adsorption box (3) is provided with a box opening, and the connection structure between the adsorption box (3) and the slot (7) is a sliding plug-in connection.
4. A device for filtering organic gas in the tail gas of pyromellitic anhydride according to claim 1, characterized in that: The bolt (8) passes through the top plate (6) and is connected to the adsorption box (3), and the connection between the bolt (8) and the top plate (6) and the adsorption box (3) is a threaded connection.
5. The device for filtering organic gas in the tail gas of pyromellitic anhydride according to claim 1, characterized in that: The collection box (16) is connected to the dust collection box (14) in a sliding manner.
6. The device for filtering organic gas in the tail gas of pyromellitic anhydride according to claim 1, characterized in that: The dust collecting box (14) and the combustion box (12) are interconnected.
Citation Information
Cited By
Absorption device for pyromellitic acid production
CN224167231U
