Hydrogen fluoride reaction furnace tail gas pollution reduction emission device
By designing a hydrogen fluoride reactor exhaust gas pollution reduction and emissions equipment, the problem of harmful substance emissions in the hydrogen fluoride reactor exhaust gas is solved by using the combination of collection, pretreatment and emission mechanisms, and the problem of harmful substance emissions in the hydrogen fluoride reactor exhaust gas is achieved efficiently remove and purify exhaust gas, which significantly improves the emission quality and working environment.
Patent Information
- Application Number
- CN202420893635.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-28
AI Technical Summary
The exhaust gas produced by the hydrogen fluoride reactor during the production process contains harmful substances, and direct or single-stage filtration emissions will cause pollution to the environment.
A hydrogen fluoride reaction furnace exhaust exhaust gas emission device is designed, including a collection mechanism, a pretreatment mechanism and an emission mechanism. The collection mechanism transmits the exhaust gas to the pretreatment mechanism through ventilation ducts and conveying pipes. The L-shaped filter plate and filter adhesive plate in the pretreatment mechanism remove large and small particulate matter, and the exhaust gas is absorbed and purified by the air filter before being discharged.
Effectively remove large and small particulate matter and harmful substances in the exhaust gas, improve the quality of exhaust gas emissions, improve the working environment and economic benefits, and significantly reduce pollution.
Smart Images
Figure CN222598537U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of environmental protection equipment, in particular to a pollution reduction and emission device for tail gas of a hydrogen fluoride reaction furnace. Background Art
[0002] Fluorine chemical industry is one of the emerging and key fine chemical industries in my country; hydrogen fluoride is the foundation of modern fluorine chemical industry and the most basic raw material for producing elemental fluorine, various fluorine refrigerants, new fluorine-containing materials, inorganic fluoride salts, various organic fluorides, etc.
[0003] The hydrogen fluoride reactor will produce a large amount of exhaust gas containing harmful substances during the production process. If these exhaust gases are discharged into the atmosphere directly or after single-stage filtration treatment without multi-stage and more sufficient absorption and filtration treatment, they will cause certain pollution to the environment. Utility Model Content
[0004] The utility model provides a pollution reduction and emission device for tail gas of a hydrogen fluoride reaction furnace, which solves the existing problems.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A device for reducing pollution and discharging tail gas from a hydrogen fluoride reactor comprises a base, a furnace body is arranged on one side of the top of the base, one end of a collecting mechanism is connected to the middle of one side of the furnace body, and the collecting mechanism is used to collect tail gas generated by the furnace body, the other end of the collecting mechanism is connected to a pretreatment mechanism through a transmission pipe, and a filtering structure is arranged inside the pretreatment mechanism, the side of the pretreatment mechanism away from the collecting mechanism is connected to a discharging mechanism through a second pipeline, and the tail gas is discharged through the discharging mechanism after passing through the pretreatment mechanism.
[0007] The exhaust gas pollution reduction and emission device for the hydrogen fluoride reactor, the collecting mechanism includes a ventilation duct, one end of the ventilation duct is connected to one side of the middle part of the furnace body through a pipe, the other end of the ventilation duct is connected to the transmission pipe, an inner tube is arranged in the ventilation duct, and mesh plates are arranged at the mouths of both ends of the inner tube.
[0008] The exhaust gas pollution reduction and emission device for hydrogen fluoride reactor has exhaust fans at opposite ends of the inner tube, fixing frames between motors of the two exhaust fans and the inner wall of the inner tube, and supporting plates between the inner tube and the ventilation duct.
[0009] The exhaust gas pollution reduction and emission device for the hydrogen fluoride reactor is provided with a bracket between the ventilation duct and the base.
[0010] The exhaust pollution reduction and emission device for hydrogen fluoride reactor, the pretreatment mechanism includes a first box body, an L-shaped filter plate is provided at the upper end inside the first box body, the two sides of which are fixedly connected to the two opposite inner walls of the first box body, the upper end is fixedly connected to the top of the first box body, and the other end is fixedly connected to the other side wall between the two opposite inner walls of the first box body, a plurality of sieve holes are provided on the two planes of the L-shaped filter plate, a pull-out storage box is provided at the lower end of the side wall of the first box body, a conveying head is provided on the top of the first box body, the end of the conveying head is connected to the conveying pipe, and one end of the second pipe is connected to the side wall of the first box body located at the bending and closing part of the L-shaped filter plate.
[0011] The exhaust pollution reduction and emission device for hydrogen fluoride reactor, the emission mechanism includes a second box body, a sealing plate is provided in the inner middle of the second box body to separate the second box body into an upper and lower part, ventilation holes are provided on the sealing plate at intervals, one side of the second box body at the bottom of the sealing plate is connected to the other end of the second pipe, a filter plate is provided at the bottom of the sealing plate in the second box body to wrap the mouth of the second pipe, an exhaust pipe is provided in the second box body at the top of the sealing plate, an air filter is located in the second box body at the top of the sealing plate, the air inlet end of the air filter wraps the mouth of the ventilation hole, and the air outlet end of the air filter corresponds to the exhaust pipe.
[0012] The exhaust gas pollution reduction and emission device for the hydrogen fluoride reactor is provided with a dust collecting hopper at the bottom of the second box body, and a sealing cover is sleeved on the bottom of the dust collecting hopper.
[0013] The beneficial effects of the utility model are as follows: the device collects the exhaust gas and transmits it to the pretreatment mechanism through the rotation of two exhaust fans, and the large particles in the exhaust gas are effectively removed through the L-shaped filter plate inside the pretreatment mechanism, and the exhaust gas passes through the filter sticky plate inside the emission mechanism to further remove the fine particles in the exhaust gas; the device absorbs the harmful substances in the exhaust gas through the absorbent inside the air filter, thereby improving the exhaust gas emission quality, improving the working environment of personnel, and effectively improving the economic and environmental benefits. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the utility model;
[0015] Figure 2 It is a structural schematic diagram of the collection mechanism of the utility model;
[0016] Figure 3 It is a structural schematic diagram of the pretreatment mechanism of the utility model;
[0017] Figure 4 It is a structural schematic diagram of the discharge mechanism of the utility model.
[0018] Numbers in the figure: 1. base; 2. furnace body; 3. collecting mechanism; 301. bracket; 302. ventilation duct; 303. conveying pipe; 304. inner pipe; 305. mesh plate; 306. fixing frame; 307. exhaust fan; 4. pretreatment mechanism; 401. conveying head; 402. first box body; 403. L-shaped filter plate; 404. storage box; 405. second pipeline; 5. discharge mechanism; 501. second box body; 502. filter plate; 503. sealing plate; 504. ventilation hole; 505. air filter; 506. exhaust duct; 507. dust hopper; 508. sealing cover. DETAILED DESCRIPTION
[0019] The present invention can be explained in more detail through the following embodiments. The present invention is not limited to the following embodiments. The purpose of disclosing the present invention is to protect all changes and improvements within the scope of the present invention.
[0020] Combined with Figures 1 to 4 The exhaust gas pollution reduction and emission device for a hydrogen fluoride reactor comprises a base 1, a furnace body 2 is arranged on one side of the top of the base 1, the middle of one side of the furnace body 2 is connected to one end of a collecting mechanism 3, and the collecting mechanism 3 is used to collect the exhaust gas generated by the furnace body 2, the other end of the collecting mechanism 3 is connected to a pretreatment mechanism 4 through a transmission pipe 303, and a filtering structure is arranged inside the pretreatment mechanism 4, the side of the pretreatment mechanism 4 away from the collecting mechanism 3 is connected to an emission mechanism 5 through a second pipeline 405, and the exhaust gas passes through the pretreatment mechanism 4 and then is discharged into the atmosphere through the emission mechanism 5.
[0021] Combined with Figure 2 The collecting mechanism 3 includes a ventilation duct 302, one end of which is connected to one side of the middle of the furnace body 2 through a pipeline, and the other end of the ventilation duct 302 is connected to a conveying pipe 303. An inner pipe 304 is arranged in the ventilation duct 302, and mesh plates 305 are arranged at the mouths of both ends of the inner pipe 304. Exhaust fans 307 are arranged at the opposite ends of the inner pipe 304. Fixing frames 306 are arranged between the motors of the two exhaust fans 307 and the inner wall of the inner pipe 304. A support plate is arranged between the inner pipe 304 and the ventilation duct 302, and the tail gas generated by the hydrogen fluoride reactor is collected and transferred to the pretreatment mechanism 4 through the conveying pipe 303.
[0022] Combined with Figure 3The pretreatment mechanism 4 includes a first box body 402, at the upper end of the first box body 402, an L-shaped filter plate 403 is provided, the upper end of which is fixedly connected to the inner side walls of the first box body 402 on both sides, the upper end is fixedly connected to the top of the first box body 402, and the other end is fixedly connected to the other side wall between the inner side walls of the first box body 402. A plurality of sieve holes are provided on two planes of the L-shaped filter plate 403, a pull-out storage box 404 is provided at the lower end of the side wall of the first box body 402, a conveying head 401 is provided on the top of the first box body 402, the end of the conveying head 401 is connected to the conveying pipe 303, and one end of the second pipe 405 is connected to the side wall of the first box body 402 located at the bending and closing part of the L-shaped filter plate 403, the exhaust gas is transmitted to the inside of the first box body 402 through the conveying head 401, and the large particulate matter is intercepted by the L-shaped filter plate 403, and the large particulate matter is collected and concentrated by the storage box 404 and then processed by the staff.
[0023] Combined with Figure 4 The discharge mechanism 5 includes a second box body 501, a sealing plate 503 is provided in the middle of the second box body 501 to separate the second box body 501 into two parts, an upper part and an lower part, ventilation holes 504 are provided on the sealing plate 503 at intervals, one side of the second box body 501 at the bottom of the sealing plate 503 is connected to the other end of the second pipe 405, a filter plate 502 is provided at the bottom of the sealing plate 503 in the second box body 501 to wrap the mouth of the second pipe 405, an exhaust pipe 506 is provided in the second box body 501 at the top of the sealing plate 503, an air filter 505 is located in the second box body 501 at the top of the sealing plate 503, and its air inlet end wraps the mouth of the ventilation hole 504, and the air outlet end of the air filter 505 and the exhaust pipe 506 Correspondingly, a dust hopper 507 is provided at the bottom of the second box body 501, and a sealing cover 508 is sleeved on the dust hopper 507. The tiny substances in the exhaust gas transmitted from the second pipe 405 are filtered through the filter plate 502, and the exhaust gas filtered for the second time is transmitted to the air filter 505 through the ventilation holes 504 in the sealing plate 503 for absorption and purification, and then discharged from the exhaust pipe 506. A dust hopper 507 is provided at the bottom of the second box body 501, and a cleaning port is provided at the bottom of the dust hopper 507, and a sealing cover 508 is installed on the cleaning port. It is in a sealed state during normal operation. When it is necessary to clean the inside of the dust hopper 507, the sealing cover 508 is opened to clean the dust inside the dust hopper 507.
[0024] In the implementation of the exhaust gas pollution reduction and emission device for the hydrogen fluoride reactor described in the utility model, both exhaust fans 307 are connected to switches and power supplies, and the two exhaust fans 307 are started so that the exhaust fans 307 form airflows to collect the exhaust gas generated by the furnace body 2 and transmit it to the pretreatment mechanism 4. Then, the exhaust gas enters the first box body 402 through the conveying pipe 303 and the conveying head 401, and the large particles in the exhaust gas are intercepted by the L-shaped filter plate 403 connected inside the first box body 402. Then, the exhaust gas is transmitted to the inside of the second box body 501 through the second pipe 405, and the fine particles in the exhaust gas are further removed by the filter plate 502. Then, the secondary filtered exhaust gas is transmitted to the air filter 505 through the ventilation holes 504 in the sealing plate 503 for absorption and purification. Finally, the purified exhaust gas is discharged through the exhaust pipe 506.
[0025] The parts not described in detail in this utility model are prior art.
Claims
1. A device for reducing pollution of tail gas from a hydrogen fluoride reactor, comprising a base (1), characterized in that: A furnace body (2) is arranged on one side of the top of the base (1); the middle of one side of the furnace body (2) is connected to one end of a collecting mechanism (3); the collecting mechanism (3) is used to collect tail gas generated by the furnace body (2); the other end of the collecting mechanism (3) is connected to a pretreatment mechanism (4) via a transmission pipe (303); a filtering structure is arranged inside the pretreatment mechanism (4); a side of the pretreatment mechanism (4) away from the collecting mechanism (3) is connected to an emission mechanism (5) via a second pipe (405); and the tail gas passes through the pretreatment mechanism (4) and is then discharged through the emission mechanism (5).
2. The exhaust gas pollution reduction device for hydrogen fluoride reactor according to claim 1, characterized in that: The collecting mechanism (3) comprises a ventilation duct (302), one end of the ventilation duct (302) being connected to one side of the middle of the furnace body (2) through a pipe, and the other end of the ventilation duct (302) being connected to a conveying pipe (303), an inner tube (304) being provided in the ventilation duct (302), and mesh plates (305) being provided at the openings of both ends of the inner tube (304).
3. The exhaust gas pollution reduction device for hydrogen fluoride reactor according to claim 2, characterized in that: Exhaust fans (307) are provided at opposite ends of the inner tube (304), fixing frames (306) are provided between motors provided on the two exhaust fans (307) and the inner wall of the inner tube (304), and a support plate is provided between the inner tube (304) and the ventilation duct (302).
4. The exhaust gas pollution reduction device for hydrogen fluoride reactor according to claim 2, characterized in that: A bracket (301) is provided between the ventilation duct (302) and the base (1).
5. The exhaust gas pollution reduction device for hydrogen fluoride reactor according to claim 1, characterized in that: The pretreatment mechanism (4) comprises a first box (402), wherein an L-shaped filter plate (403) is provided at the upper end inside the first box (402), the two sides of which are fixedly connected to the two opposite inner side walls of the first box (402), the upper end of which is fixedly connected to the top of the first box (402), and the other end of which is fixedly connected to the other side wall between the two opposite inner side walls of the first box (402), a plurality of sieve holes are provided on both planes of the L-shaped filter plate (403), a pull-out storage box (404) is provided at the lower end of the side wall of the first box (402), a conveying head (401) is provided at the top of the first box (402), the end of the conveying head (401) is connected to the conveying pipe (303), and one end of the second pipe (405) is connected to the side wall of the first box (402) at the bent and closed position of the L-shaped filter plate (403).
6. The exhaust gas pollution reduction device for hydrogen fluoride reactor according to claim 1, characterized in that: The discharge mechanism (5) comprises a second box body (501), a sealing plate (503) is provided in the middle of the second box body (501) to divide the second box body (501) into an upper and lower part, ventilation holes (504) are provided on the sealing plate (503) at intervals, one side of the second box body (501) at the bottom of the sealing plate (503) is connected to the other end of the second pipe (405), a sticky filter plate (502) is provided at the bottom of the sealing plate (503) in the second box body (501) to wrap around the mouth of the second pipe (405), an exhaust pipe (506) is provided in the second box body (501) at the top of the sealing plate (503), the air filter (505) is located in the second box body (501) at the top of the sealing plate (503), the air inlet end of the air filter (505) wraps around the mouth of the ventilation hole (504), and the air outlet end of the air filter (505) corresponds to the exhaust pipe (506).
7. The exhaust gas pollution reduction device for hydrogen fluoride reactor according to claim 6, characterized in that: A dust collecting hopper (507) is provided at the bottom of the second box body (501), and a sealing cover (508) is sleeved on the bottom of the dust collecting hopper (507).