CN216677583U

CN216677583U - Chemical waste gas pretreatment equipment

Info

Publication number: CN216677583U
Application number: CN202122985876.4U
Authority: CN
Inventors: 孙广辉; 寇晓丽; 赵海云; 李桂珍
Original assignee: Shandong Huaxing Petrochemical Group Co Ltd
Current assignee: Shandong Huaxing Petrochemical Group Co Ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-06-07
Anticipated expiration: 2031-12-01

Abstract

The utility model belongs to the technical field of tail gas treatment equipment, and particularly relates to chemical waste gas pretreatment equipment, aiming at the problems that most tail gas is filtered through a single filter plate when being treated in the prior art, the filtering effect is poor, and the filter plate is easy to block when being used for a long time. The utility model has simple operation and convenient use, can conveniently filter the entering waste gas for a plurality of times, can also accelerate the mixed washing of the gas by water, and is convenient for post-treatment.

Description

Chemical waste gas pretreatment equipment

Technical Field

The utility model relates to the technical field of tail gas treatment equipment, in particular to chemical waste gas pretreatment equipment.

Background

At present, a large amount of organic solvents, such as aromatic solvents like benzene, toluene and xylene, ethanol, isopropanol, ethyl acetate, butyl acetate, butanone, dichloroethane, ethyl chloride and hydrocarbons, are generally used in the chemical industry. The organic solvents are mainly low-boiling point and volatile organic matters and have certain toxicity, and a considerable part of the organic solvents are finally discharged into the atmosphere in the form of organic waste gas, so that the environment is seriously polluted. Therefore, under the background that the current environment protection situation is severe and the environment protection investment of the country is increased year by year, the organic components in the discharged tail gas are recycled by a proper method, so that the pollution to the environment can be reduced, the resource can be recycled, the economic value and the environment protection significance are very high, and the tail gas discharged in the chemical industry contains a large amount of particulate matters.

Most of the tail gas treatment in the prior art is filtered through a single filter plate, the filtering effect is poor, and the filter plate is easy to block during long-term use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that in the prior art, most tail gas is filtered by a single filter plate, the filtering effect is poor, and the filter plate is easy to block during long-term use, and provides chemical waste gas pretreatment equipment.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a chemical waste gas pretreatment equipment, includes the box, the opening has been seted up at the top of box, and the top of box is equipped with the apron, and the bottom fixed mounting of apron has the filter cartridge, the inner wall threaded connection of filter cartridge and box, the pipe is installed to the bottom of filter cartridge, and the top fixed mounting of apron has the intake pipe, one side fixed mounting of box has the motor, and fixed mounting has the bull stick on the output shaft of motor, and the bull stick rotates with the inner wall of box to be connected, the outlet duct is installed to the bottom of box, be equipped with rabbling mechanism on the bull stick, fixed mounting has a plurality of filters on the inner wall of filter cartridge, is equipped with in the filter cartridge and scrapes the material mechanism, scrapes the material mechanism and is connected with the bull stick transmission.

Preferably, rabbling mechanism is including changeing the board, fixed mounting has the dead lever on the bottom inner wall of box, change the board and rotate with the dead lever and be connected, the bottom fixed mounting who changes the board has the connecting rod that two symmetries set up, fixed mounting has a plurality of stirring rods on the connecting rod, it is connected with the bull stick transmission to change the board, fixed mounting has the driving gear on the bull stick, the top fixed mounting who changes the board has annular rack, driving gear and annular rack intermeshing, the pivoted bull stick passes through the intermeshing of driving gear and annular rack, thereby can drive and change the board and rotate, and then can stir the water in the box through connecting rod and stirring rod.

Preferably, the scraping mechanism comprises a plurality of scraping plates and a transmission plate, a positioning box is rotatably connected to the rotating rod and fixedly connected with the fixed rod, a transmission shaft is rotatably connected to the positioning box and fixedly connected with the transmission shaft, the transmission shaft is in transmission connection with the rotating rod, a positioning shaft is rotatably connected to the bottom of the filter box and is in transmission connection with the transmission plate, the scraping plates are fixedly mounted on the positioning shaft and are matched with the corresponding filter plates, a positioning block is fixedly mounted at the bottom end of the positioning shaft, a positioning groove is formed in the top of the transmission plate and is matched with the positioning block, a first bevel gear is fixedly mounted on the rotating rod, a second bevel gear is fixedly mounted on the transmission shaft and is mutually engaged with the first bevel gear, the rotating rod drives the transmission shaft and the transmission plate to simultaneously rotate through the mutual engagement of the first bevel gear and the second bevel gear, and through the mutual cooperation of constant head tank and locating piece to drive the epaxial scraper blade of location and clean the filter.

Compared with the prior art, the utility model has the advantages that:

(1) according to the scheme, the driving gear is meshed with the annular rack, so that the rotating rod can drive the rotating plate to rotate, and water and waste gas in the box body are stirred through the connecting rod and the stirring rod;

(2) because the intermeshing of first conical tooth wheel and second conical tooth wheel, and the mutually supporting of constant head tank and locating piece for the pivoted bull stick can drive the location axle and rotate, and then cleans the filter through the scraper blade.

The utility model has simple operation and convenient use, can conveniently filter the entering waste gas for many times, can also accelerate the mixed washing of the gas by water, and is convenient for post treatment.

Drawings

FIG. 1 is a schematic structural diagram of a chemical waste gas pretreatment apparatus according to the present invention;

fig. 2 is a schematic view of a three-dimensional structure of a transmission plate and a positioning shaft of the chemical waste gas pretreatment device provided by the utility model;

fig. 3 is a schematic structural diagram of part a of a chemical waste gas pretreatment device according to the present invention.

In the figure: 1. a box body; 2. a cover plate; 3. a filter cartridge; 4. a filter plate; 5. an air inlet pipe; 6. positioning the shaft; 7. a squeegee; 8. a motor; 9. a rotating rod; 10. a positioning box; 11. a drive shaft; 12. a first bevel gear; 13. a second bevel gear; 14. a drive plate; 15. positioning a groove; 16. positioning blocks; 17. a conduit; 18. an air outlet pipe; 19. fixing the rod; 20. rotating the plate; 21. a connecting rod; 22. a driving gear; 23. an annular rack.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-3, a chemical waste gas pretreatment device, including box 1, the opening has been seted up at the top of box 1, the top of box 1 is equipped with apron 2, the bottom fixed mounting of apron 2 has filter cartridge 3, filter cartridge 3 and box 1's inner wall threaded connection, pipe 17 is installed to filter cartridge 3's bottom, the top fixed mounting of apron 2 has intake pipe 5, one side fixed mounting of box 1 has motor 8, fixed mounting has bull stick 9 on motor 8's the output shaft, bull stick 9 rotates with box 1's inner wall to be connected, outlet duct 18 is installed to box 1's bottom, be equipped with rabbling mechanism on bull stick 9, fixed mounting has a plurality of filters 4 on filter cartridge 3's the inner wall, be equipped with scraping mechanism in the filter cartridge 3, scraping mechanism is connected with bull stick 9 transmission.

In this embodiment, rabbling mechanism is including changeing board 20, fixed mounting has dead lever 19 on the bottom inner wall of box 1, change board 20 and dead lever 19 and rotate and be connected, the bottom fixed mounting who changes board 20 has two connecting rods 21 that the symmetry set up, fixed mounting has a plurality of stirring rods on the connecting rod 21, change board 20 and bull stick 9 transmission and be connected, fixed mounting has driving gear 22 on the bull stick 9, the top fixed mounting who changes board 20 has annular rack 23, driving gear 22 and annular rack 23 intermeshing, pivoted bull stick 9 passes through the intermeshing of driving gear 22 with annular rack 23, thereby can drive commentaries on classics board 20 and rotate, and then can stir the water in the box 1 through connecting rod 21 and stirring rod.

In this embodiment, the scraping mechanism includes a plurality of scraping plates 7 and a transmission plate 14, a positioning box 10 is rotatably connected to a rotating rod 9, the positioning box 10 is fixedly connected to a fixing rod 19, a transmission shaft 11 is rotatably connected to the positioning box 10, the transmission plate 14 is fixedly connected to the transmission shaft 11, the transmission shaft 11 is in transmission connection with the rotating rod 9, a positioning shaft 6 is rotatably connected to the bottom of the filter box 3, the positioning shaft 6 is in transmission connection with the transmission plate 14, the scraping plates 7 are fixedly mounted on the positioning shaft 6, the scraping plates 7 are matched with the corresponding filter plates 4, a positioning block 16 is fixedly mounted at the bottom end of the positioning shaft 6, a positioning groove 15 is formed at the top of the transmission plate 14, the positioning groove 15 is matched with the positioning block 16, a first bevel gear 12 is fixedly mounted on the rotating rod 9, a second bevel gear 13 is fixedly mounted on the transmission shaft 11, the first bevel gear 12 is meshed with the second bevel gear 13, the rotating rod 9 drives the transmission shaft 11 and the transmission plate 14 to rotate simultaneously through the mutual engagement of the first bevel gear 12 and the second bevel gear 13, and drives the scraper 7 on the positioning shaft 6 to clean the filter plate 4 through the mutual matching of the positioning groove 15 and the positioning block 16.

The working principle, in operation, start waste gas and enter into filter cartridge 3 through intake pipe 5, and can be convenient for carry out multistage filtration to waste gas through the setting of a plurality of filter plates 4, gas after filtration enters into box 1 through pipe 17, wash the filtration once more through the water in box 1, restart the motor 8 switch, the output shaft of motor 8 drives bull stick 9 and rotates, bull stick 9 drives bull stick 20 to rotate through the intermeshing of driving gear 22 and annular rack 23, bull stick 20 drives connecting rod 21 and stirring rod to stir the gas and water in box 1, make it wash the filtration once more, can be convenient for the later stage to carry out retreatment, the intermeshing of rotatory bull stick 9 through first conical gear 12 and second conical gear 13 drives transmission shaft 11 to rotate simultaneously, rotatory transmission shaft 11 drives transmission plate 14 to rotate, transmission plate 14 passes through locating slot 15 and locating piece 16 mutually support, thereby drive location axle 6 and rotate, pivoted location axle 6 clears up filter 4 through scraper blade 7, the biggest filter effect that lasts of being convenient for.

Example two

Referring to fig. 1-3, a chemical waste gas pretreatment device, comprising a box body 1, wherein the top of the box body 1 is provided with an opening, the top of the box body 1 is provided with a cover plate 2, the bottom of the cover plate 2 is fixedly provided with a filter box 3, the filter box 3 is in threaded connection with the inner wall of the box body 1, the bottom of the filter box 3 is provided with a conduit 17, the top of the cover plate 2 is fixedly provided with an air inlet pipe 5, one side of the box body 1 is fixedly provided with a motor 8, an output shaft of the motor 8 is fixedly provided with a rotating rod 9, the rotating rod 9 is rotatably connected with the inner wall of the box body 1, the bottom of the box body 1 is provided with an air outlet pipe 18, the rotating rod 9 is provided with a stirring mechanism, the inner wall of the filter box 3 is fixedly provided with a plurality of filter plates 4, a scraping mechanism is arranged in the filter box 3 and is in transmission connection with the rotating rod 9, one side of the box body 1 is provided with a liquid inlet pipe, the other side of the box body 1 is provided with a liquid outlet pipe, and a valve is arranged on the liquid outlet pipe.

The difference between the second embodiment and the first embodiment lies in that the arrangement of the liquid inlet pipe and the liquid outlet pipe can facilitate the replacement of water in the box body 1 and control the water through a valve.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The chemical waste gas pretreatment equipment comprises a box body (1) and is characterized in that an opening is formed in the top of the box body (1), a cover plate (2) is arranged on the top of the box body (1), a filter box (3) is fixedly installed at the bottom of the cover plate (2), the filter box (3) is in threaded connection with the inner wall of the box body (1), a guide pipe (17) is installed at the bottom of the filter box (3), an air inlet pipe (5) is fixedly installed at the top of the cover plate (2), a motor (8) is fixedly installed at one side of the box body (1), a rotating rod (9) is fixedly installed on an output shaft of the motor (8), the rotating rod (9) is rotatably connected with the inner wall of the box body (1), an air outlet pipe (18) is installed at the bottom of the box body (1), a stirring mechanism is arranged on the rotating rod (9), a plurality of filter plates (4) are fixedly installed on the inner wall of the filter box body (3), a scraping mechanism is arranged in the filter box (3) and is in transmission connection with the rotating rod (9).

2. The chemical waste gas pretreatment device according to claim 1, wherein the stirring mechanism comprises a rotating plate (20), a fixing rod (19) is fixedly installed on the inner wall of the bottom of the box body (1), the rotating plate (20) is rotatably connected with the fixing rod (19), two symmetrically arranged connecting rods (21) are fixedly installed at the bottom of the rotating plate (20), a plurality of stirring rods are fixedly installed on the connecting rods (21), and the rotating plate (20) is in transmission connection with the rotating rod (9).

3. The chemical waste gas pretreatment equipment according to claim 1, wherein the scraping mechanism comprises a plurality of scraping plates (7) and a transmission plate (14), a positioning box (10) is rotatably connected to the rotating rod (9), the positioning box (10) is fixedly connected to a fixed rod (19), a transmission shaft (11) is rotatably connected to the positioning box (10), the transmission plate (14) is fixedly connected to the transmission shaft (11), the transmission shaft (11) is in transmission connection with the rotating rod (9), a positioning shaft (6) is rotatably connected to the bottom of the filter box (3), the positioning shaft (6) is in transmission connection with the transmission plate (14), the scraping plates (7) are fixedly mounted on the positioning shaft (6), and the scraping plates (7) are matched with the corresponding filter plates (4); the bottom fixed mounting of location axle (6) has locating piece (16), and constant head tank (15) have been seted up at the top of driving plate (14), and constant head tank (15) and locating piece (16) are mutually supported, and fixed mounting has first conical gear (12) on bull stick (9), and fixed mounting has second conical gear (13) on transmission shaft (11), first conical gear (12) and second conical gear (13) intermeshing.

4. The chemical waste gas pretreatment device according to claim 1, wherein the rotating rod (9) is fixedly provided with a driving gear (22), the top of the rotating plate (20) is fixedly provided with an annular rack (23), and the driving gear (22) is meshed with the annular rack (23).