CN219002487U

CN219002487U - Alumina roasting flue gas treatment tower

Info

Publication number: CN219002487U
Application number: CN202223568450.XU
Authority: CN
Inventors: 路玉祺; 路娜; 于海滨; 马长海; 王秉智; 王金平
Original assignee: Zibo Xinyuan Yutai New Material Co ltd
Current assignee: Zibo Xinyuan Yutai New Material Co ltd
Priority date: 2022-12-24
Filing date: 2022-12-24
Publication date: 2023-05-12
Anticipated expiration: 2032-12-24

Abstract

The utility model relates to the technical field of waste gas treatment, in particular to an alumina roasting flue gas treatment tower, which comprises a tower body, a bottom box and two purifying boxes; the bottom end of the tower body is communicated with an air inlet pipe, and an atomization nozzle is arranged at the top end of the inner side of the tower body; the top end of the tower body is communicated with an exhaust pipe A, two connecting branch pipes are communicated with the exhaust pipe A, the other ends of the two connecting branch pipes are respectively communicated with the interiors of the purifying boxes on the two sides, and valves are arranged on the two connecting branch pipes; a sealing cover plate is rotatably arranged on the purifying box; a filter screen device is arranged in the purifying box; the purifying box is provided with an exhaust pipe B in a communicating way, the insides of the two connecting branch pipes are provided with a flow velocity sensor A, and the insides of the two exhaust pipes B are provided with a flow velocity sensor B. The utility model can conveniently detach and replace the filter screen, does not need to stop the treatment work of the flue gas in the replacement process, has the function of automatically monitoring the blocking condition of the filter screen, and has strong practicability.

Description

Alumina roasting flue gas treatment tower

Technical Field

The utility model relates to the technical field of waste gas treatment, in particular to an alumina roasting flue gas treatment tower.

Background

Alumina is a compound with high hardness, is ionized at high temperature, is commonly used for manufacturing refractory materials, and is roasted in a process of heating materials under proper atmosphere and melting point to cause physical and chemical changes of target components in raw materials, and a large amount of dust is generated in the roasting process of the alumina, so that the alumina is directly discharged into the air to cause environmental pollution.

In the prior art, a filter screen is usually arranged in a treatment tower for purifying aluminum roasting flue gas, so that the filter screen is cleaned conveniently, a detachable structure is arranged on the filter screen generally, the filter screen is cleaned or replaced conveniently, the treatment work of waste gas is required to be stopped in the process of replacing the filter screen, the working efficiency is influenced, and meanwhile, the filter screen is arranged in the tower, so that the blocking condition of the filter screen cannot be checked timely.

Disclosure of Invention

The utility model aims at solving the technical problems in the background technology and provides an alumina roasting flue gas treatment tower.

The technical scheme of the utility model is as follows: an alumina roasting flue gas treatment tower comprises a tower body, a bottom box and two purifying boxes; the tower body is arranged at the upper end of the bottom box, a partition plate is horizontally arranged in the bottom box, and the space separated by the upper end and the lower end of the partition plate is an upper cavity and a lower cavity respectively; the bottom end of the tower body is communicated with an air inlet pipe, an atomization nozzle is arranged at the top end of the inner side of the tower body, a water pump is arranged on the tower body, the input end of the water pump is communicated with the lower cavity, and the output end of the water pump is connected with the atomization nozzle; a drain pipe is communicated between the bottom end of the tower body and the upper cavity; the top end of the tower body is communicated with an exhaust pipe A, two connecting branch pipes are communicated with the exhaust pipe A, the other ends of the two connecting branch pipes are respectively communicated with the interiors of the purifying boxes on the two sides, and valves are arranged on the two connecting branch pipes; a sealing cover plate is rotatably arranged on the purifying box, and a locking buckle is arranged between the sealing cover plate and the purifying box; the filter screen device is arranged in the purifying box and comprises a mounting frame and a filter screen component arranged on the inner side of the mounting frame; one side of the purifying box, which is far away from the connecting branch pipe, is communicated with an exhaust pipe B, the inner sides of the two connecting branch pipes are provided with a flow velocity sensor A, and the inner sides of the two exhaust pipes B are provided with a flow velocity sensor B.

Preferably, the tower body is internally provided with a ring, the ring is contacted with the inner wall of the tower body, and the tower body is provided with a power assembly for driving the ring to move.

Preferably, the power component comprises a servo motor and a threaded rod, the threaded rod is vertically rotatably arranged in the tower body, the servo motor is arranged outside the tower body and is connected with the threaded rod, a guide rod is vertically arranged in the tower body, and a circular ring is slidably arranged on the guide rod and is in threaded connection with the threaded rod.

Preferably, limit grooves for inserting the mounting frames are formed in two sides of the inner wall of the purifying box; the periphery of the installation frame is provided with a sealing rubber strip, and the inner side surface of the sealing cover plate is provided with a sealing rubber strip.

Preferably, a controller is arranged on the bottom box and is electrically connected with the servo motor, the water pump, the flow velocity sensor A and the flow velocity sensor B.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial technical effects: the flue gas enters the tower body through the air inlet pipe, water in the lower cavity is pumped into the atomizing nozzle by the water pump, and finally the water is sprayed into the tower body through the atomizing nozzle, so that the effects of cooling the flue gas and primarily removing dust can be realized, waste water mixed with the flue gas enters the upper cavity through the water discharge pipe, the flue gas subjected to primary dust removal enters the purifying box through the exhaust pipe A and the connecting branch pipe, the filter screen device can realize secondary dust removal and filtration treatment on the flue gas, and the clean gas after treatment is discharged through the exhaust pipe B; the flow rate sensor A and the flow rate sensor B are arranged and can respectively monitor the flow rate of gas in the connecting branch pipe and the exhaust pipe B, if the filter screen device is blocked, the flow rate in the exhaust pipe B is smaller than the flow rate in the connecting branch pipe, and when the flow rate difference value is too large, the controller can automatically prompt that the filter screen device needs to be replaced or cleaned; when the filter screen device is disassembled, the valve at the corresponding side is closed, the sealing cover plate is opened through the locking buckle, and then the filter screen device can be directly taken out; in summary, the utility model can conveniently detach and replace the filter screen, does not need to stop the treatment work of the flue gas in the replacement process, and has the function of automatically monitoring the blocking condition of the filter screen, thereby having strong practicability.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of the structure of the interior of the purifying box in the present utility model.

Reference numerals: 1. a tower body; 2. a bottom box; 201. a lower cavity; 202. an upper cavity; 3. a purifying box; 301. a limit groove; 4. a circular ring; 5. a partition plate; 6. a controller; 71. a servo motor; 72. a threaded rod; 8. a water pump; 9. an atomizing nozzle; 10. a guide rod; 11. an air inlet pipe; 12. an exhaust pipe A; 13. connecting branch pipes; 14. a valve; 15. sealing the cover plate; 16. an exhaust pipe B; 171. a flow rate sensor A; 172. a flow rate sensor B; 18. locking buckles; 191. a mounting frame; 192. a screen assembly; 20. sealing the film; 21. a sealing rubber strip; 22. and (5) a water drain pipe.

Detailed Description

Example 1

As shown in fig. 1-2, the alumina roasting fume treatment tower provided by the utility model comprises a tower body 1, a bottom box 2 and two purifying boxes 3; the tower body 1 is arranged at the upper end of the bottom box 2, a baffle plate 5 is horizontally arranged in the bottom box 2, and the upper end and the lower end of the baffle plate 5 are respectively provided with an upper cavity 202 and a lower cavity 201; the bottom end of the tower body 1 is communicated with an air inlet pipe 11, an atomization nozzle 9 is arranged at the top end of the inner side of the tower body 1, a water pump 8 is arranged on the tower body 1, the input end of the water pump 8 is communicated with the lower cavity 201, and the output end of the water pump 8 is connected with the atomization nozzle 9; a drain pipe 22 is communicated between the bottom end of the tower body 1 and the upper cavity 202; the top end of the tower body 1 is communicated with an exhaust pipe A12, two connecting branch pipes 13 are communicated with the exhaust pipe A12, the other ends of the two connecting branch pipes 13 are respectively communicated with the interiors of the purifying tanks 3 at the two sides, and valves 14 are arranged on the two connecting branch pipes 13; a sealing cover plate 15 is rotatably arranged on the purifying box 3, and a locking buckle 18 is arranged between the sealing cover plate 15 and the purifying box 3; a filter screen device is arranged in the purifying box 3 and comprises a mounting frame 191 and a filter screen component 192 arranged on the inner side of the mounting frame 191; limit grooves 301 for inserting the mounting frames 191 are formed in two sides of the inner wall of the purifying box 3; the periphery of the mounting frame 191 is provided with a sealing adhesive tape 21, and the inner side surface of the sealing cover plate 15 is provided with a sealing rubber sheet 20; an exhaust pipe B16 is communicated and arranged on one side, far away from the connecting branch pipes 13, of the purifying box 3, a flow rate sensor A171 is arranged on the inner sides of the two connecting branch pipes 13, and a flow rate sensor B172 is arranged on the inner sides of the two exhaust pipes B16; the bottom box 2 is provided with a controller 6, and the controller 6 is electrically connected with a servo motor 71, a water pump 8, a flow rate sensor A171 and a flow rate sensor B172.

In the embodiment, when the device works, smoke enters the tower body 1 through the air inlet pipe, the water pump 8 pumps water in the lower cavity 201 into the atomizing nozzle 9, and finally the water is sprayed into the tower body 1 through the atomizing nozzle 9, so that the effects of cooling the smoke and primarily dedusting can be realized, waste water mixed with the smoke enters the upper cavity 202 through the water discharge pipe 22, the smoke subjected to primary dedusting enters the purifying box 3 through the exhaust pipe A12 and the connecting branch pipe 13, the filter screen device can realize secondary dedusting and filtering treatment on the smoke, and the clean gas after treatment is discharged through the exhaust pipe B16; the flow rate sensor A171 and the flow rate sensor B172 can respectively monitor the flow rate of gas in the connecting branch pipe 13 and the exhaust pipe B16, if the filter screen device is blocked, the flow rate in the exhaust pipe B16 is smaller than the flow rate in the connecting branch pipe 13, and when the flow rate difference is too large, the controller 6 can automatically prompt that the filter screen device needs to be replaced or cleaned; when the filter screen device is disassembled, the valve 14 on the corresponding side is closed (the two valves are always kept in a state of being opened and closed), the sealing cover plate 15 is opened through the locking buckle 18, and then the filter screen device can be directly taken out; in summary, the utility model can conveniently detach and replace the filter screen, does not need to stop the treatment work of the flue gas in the replacement process, and has the function of automatically monitoring the blocking condition of the filter screen, thereby having strong practicability.

Example two

As shown in fig. 1, compared with the first embodiment, the alumina roasting flue gas treatment tower provided by the utility model comprises a circular ring 4 arranged on the inner side of a tower body 1, wherein the circular ring 4 is in contact with the inner wall of the tower body 1, and a power component for driving the circular ring 4 to move is arranged on the tower body 1; the power component comprises a servo motor 71 and a threaded rod 72, the threaded rod 72 is vertically and rotatably installed in the tower body 1, the servo motor 71 is installed outside the tower body 1 and is connected with the threaded rod 72, a guide rod 10 is vertically arranged in the tower body 1, a circular ring 4 is slidably arranged on the guide rod 10, and the circular ring 4 is in threaded connection with the threaded rod 72.

In this embodiment, the power assembly is configured to drive the ring 4 to move up and down in the tower body, so as to scrape off the dirt remained on the inner wall of the tower body 1.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. The alumina roasting flue gas treatment tower is characterized by comprising a tower body (1), a bottom box (2) and two purifying boxes (3); the tower body (1) is arranged at the upper end of the bottom box (2), a partition board (5) is horizontally arranged in the bottom box (2), and the upper end and the lower end of the partition board (5) are respectively provided with an upper cavity (202) and a lower cavity (201); an air inlet pipe (11) is arranged at the bottom end of the tower body (1) in a communicating manner, an atomization nozzle (9) is arranged at the top end of the inner side of the tower body (1), a water pump (8) is arranged on the tower body (1), the input end of the water pump (8) is communicated with the lower cavity (201), and the output end of the water pump (8) is connected with the atomization nozzle (9); a drain pipe (22) is communicated between the bottom end of the tower body (1) and the upper cavity (202); the top end of the tower body (1) is communicated with an exhaust pipe A (12), two connecting branch pipes (13) are communicated with the exhaust pipe A (12), the other ends of the two connecting branch pipes (13) are respectively communicated with the interiors of the purifying boxes (3) at the two sides, and valves (14) are arranged on the two connecting branch pipes (13); a sealing cover plate (15) is rotatably arranged on the purifying box (3), and a locking buckle (18) is arranged between the sealing cover plate (15) and the purifying box (3); a filter screen device is arranged in the purifying box (3), and comprises a mounting frame (191) and a filter screen component (192) arranged on the inner side of the mounting frame (191); one side of the purifying box (3) far away from the connecting branch pipes (13) is communicated with an exhaust pipe B (16), the inner sides of the two connecting branch pipes (13) are provided with a flow velocity sensor A (171), and the inner sides of the two exhaust pipes B (16) are provided with a flow velocity sensor B (172).

2. The alumina roasting fume treatment tower according to claim 1, wherein a circular ring (4) is arranged in the tower body (1), the circular ring (4) is in contact with the inner wall of the tower body (1), and a power assembly for driving the circular ring (4) to move is arranged on the tower body (1).

3. An alumina roasting fume treatment tower according to claim 2, wherein the power assembly comprises a servo motor (71) and a threaded rod (72), the threaded rod (72) is vertically rotatably mounted in the tower body (1), the servo motor (71) is mounted outside the tower body (1) and the output shaft thereof is connected with the threaded rod (72), the guide rod (10) is vertically arranged in the tower body (1), the ring (4) is slidably arranged on the guide rod (10), and the ring (4) is in threaded connection with the threaded rod (72).

4. The alumina roasting fume treatment tower according to claim 1, characterized in that limit grooves (301) for inserting the mounting frames (191) are formed on both sides of the inner wall of the purifying box (3); the periphery of the mounting frame (191) is provided with a sealing rubber strip (21), and the inner side surface of the sealing cover plate (15) is provided with a sealing rubber sheet (20).

5. The alumina roasting fume treatment tower according to claim 1, wherein the bottom box (2) is provided with a controller (6), and the controller (6) is electrically connected with the servo motor (71), the water pump (8), the flow rate sensor a (171) and the flow rate sensor B (172).