CN209901035U

CN209901035U - Air exhaust purification equipment for anode material for aluminum smelting

Info

Publication number: CN209901035U
Application number: CN201822216783.3U
Authority: CN
Inventors: 曾永华; 唐鹏祥; 汤斌先
Original assignee: Shuicheng Xinxin Carbon Co Ltd
Current assignee: Shuicheng Xinxin Carbon Co Ltd
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2020-01-07
Anticipated expiration: 2028-12-27

Abstract

The utility model discloses an exhaust purification device for anode materials for aluminum smelting, which comprises a fan, a heat exchange tank, a spraying dust removal tank and a gas purifier; the inside of heat exchange tank is equipped with spiral helicine heat exchange tube, the downside of heat exchange tank is equipped with the first intake pipe of being connected with the heat exchange tube, the top of heat exchange tank is equipped with the first outlet duct of being connected with the heat exchange tube, the air outlet of fan is through guide duct and first intake-tube connection, the inner chamber top that sprays the dust removal jar is equipped with a plurality of shower heads, the shower nozzle of shower head is vertical downwards, the bottom that sprays the dust removal jar is equipped with out dirty pipe, be equipped with second intake pipe and second outlet duct on the lower lateral wall that sprays the dust removal jar and the last lateral wall respectively, the second intake pipe is connected with first outlet duct through the guide duct, the utility model discloses can adsorb and purify electrolytic aluminum in-process produced gas and dust, have and purify abundant and thorough characteristics.

Description

Air exhaust purification equipment for anode material for aluminum smelting

Technical Field

The utility model relates to the field of electrolytic aluminum, in particular to an air exhaust purification device for anode material for refining aluminum.

Background

At present, aluminum is increasingly used in various industries, and aluminum materials are generally prepared by an electrolytic method. The aluminum electrolysis process flow comprises the following steps: the modern aluminum industry adopts cryolite-alumina molten salt electrolysis method. The molten cryolite is used as a solvent, alumina is used as a solute for producing electrolytic aluminum, a carbon body is used as an anode, aluminum liquid is used as a cathode, and after strong direct current is introduced, electrochemical reaction is carried out on two poles in an electrolytic cell at 950-970 ℃. The anode product is mainly carbon dioxide and carbon monoxide gas, which contains a certain amount of harmful gas such as hydrogen fluoride and solid dust, and the anode gas needs to be purified to protect the environment and human health, and is discharged into the atmosphere after the harmful gas and the dust are removed. The existing exhaust purification device for the anode material for aluminum smelting has poor purification effect and can not effectively and thoroughly adsorb and filter the waste gas and dust generated in the aluminum smelting process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an it airs exhaust clarification plant to smelt anode material for aluminium to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an air exhaust purification device for anode materials for aluminum smelting comprises a fan, a heat exchange tank, a spraying dust removal tank and a gas purifier; the device comprises a heat exchange tank, a spray dust removal tank, a gas purifier and a control system, wherein a spiral heat exchange tube is arranged in the heat exchange tank, a first gas inlet tube connected with the heat exchange tube is arranged at the lower side of the heat exchange tank, a first gas outlet tube connected with the heat exchange tube is arranged at the top of the heat exchange tank, a gas outlet of a fan is connected with the first gas inlet tube through a gas guide tube, a plurality of spray headers are arranged at the top of an inner cavity of the spray dust removal tank, a spray opening of each spray header is vertically downward, a sewage outlet tube is arranged at the bottom of the spray dust removal tank, a second gas inlet tube and a second gas outlet tube are respectively arranged on the lower side wall and the upper side wall of the spray dust removal tank, the second gas inlet tube is connected with the first gas outlet tube through the gas guide tube, the gas purifier comprises a shell with a cavity inside and a square cross section, a suction fan is arranged at the, and a UV ultraviolet lamp is arranged between the photocatalyst plates, a vertical upward air outlet through pipe is arranged at the top of the shell, a third air inlet pipe is arranged on the lower side wall of the shell, and the third air inlet pipe is connected with a second air outlet pipe through an air guide pipe.

Preferably, an air quality sensor is arranged at the top of the inner cavity of the shell.

Preferably, the outside of casing is equipped with the interface, one side of active carbon filter screen be equipped with interface complex frame, the outside of frame is equipped with the hand of taking out.

Preferably, a plurality of catalysis plates are arranged inside the spraying dust removal tank, and through holes are distributed on the whole body of each catalysis plate.

Preferably, a water inlet pipe and a water outlet pipe are arranged on the side wall of the heat exchange tank.

Preferably, a rubber layer is arranged between the frame and the interface.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a fan is leading-in the heat-transfer pipe in the heat-transfer jar with the waste gas that electrolytic aluminum in-process produced, carry out cooling to waste gas and retrieve the heat in the waste gas simultaneously, waste gas after will cooling is leading-in to remove dust and spray in the jar and spray and remove harmful gas, then the gaseous leading-in air purifier after will handling again, carry out further purification to adsorbing the filtration at the active carbon filter screen effect, at last, the cooperation of UV ultraviolet lamp and photocatalyst board further evolves, ensure that the gas that discharges in the air does not contain dust and harmful gas, have and purify abundant and thorough characteristics.

2. The utility model discloses a be equipped with the interface in the outside of casing, one side of active carbon filter screen be equipped with interface complex frame, the outside of frame is equipped with the hand of taking out, the convenient active carbon filter screen of inside to the casing is changed.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the air purifier of the present invention;

FIG. 3 is a schematic structural view of the activated carbon filter screen of the present invention;

fig. 4 is a schematic view of the operation state of the present invention.

In the figure: 1 fan, 2 heat transfer jars, 3 spray dust removal jar, 4 gas purifier, 5 heat exchange tubes, 6 first intake pipe, 7 first outlet duct, 8 shower heads, 9 play dirty pipe, 10 second intake pipe, 11 second outlet duct, 12 casings, 13 suction fans, 14 active carbon filter screens, 15 photocatalyst board, 16 UV ultraviolet lamp, 17 air-out siphunculus, 18 third intake pipe, 19 air quality sensor, 20 interfaces, 21 frames, 22 pump hands, 23 catalysis board, 24 inlet tubes, 25 outlet pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an air exhaust purification device for anode materials for aluminum smelting, wherein a spiral heat exchange tube 5 is arranged inside a heat exchange tank 2, a first air inlet tube 6 connected with the heat exchange tube 5 is arranged on the lower side of the heat exchange tank 2, a first air outlet tube 7 connected with the heat exchange tube 5 is arranged on the top of the heat exchange tank 2, an air outlet of a fan 1 is connected with the first air inlet tube 6 through an air guide tube, a plurality of spray headers 8 are arranged on the top of an inner cavity of a spray dust removal tank 3, spray openings of the spray headers 8 are vertically downward, a dirt outlet tube 9 is arranged at the bottom of the spray dust removal tank 3, a second air inlet tube 10 and a second air outlet tube 11 are respectively arranged on the lower side wall and the upper side wall of the spray dust removal tank 3, the second air inlet tube 10 is connected with the first air outlet tube 7 through the air guide tube, a gas purifier 4 comprises a shell 12 with a cavity inside and a square cross section, and a suction fan 13 is, the top of suction fan 13 is equipped with a plurality of active carbon filter screens 14, the top of active carbon filter screen 14 is equipped with a plurality of photocatalyst boards 15, is equipped with UV ultraviolet lamp 16 between the photocatalyst board 15, the top of casing 12 is equipped with vertical ascending air-out siphunculus 17, be equipped with third inlet manifold 18 on the lower lateral wall of casing 12, third inlet manifold 18 is connected with second outlet duct 11 through the guide duct.

Further, an air quality sensor 19 is disposed at the top of the inner cavity of the housing 12 to detect the purified air, and the whole purifying device is controlled and adjusted according to the detection result, wherein the air quality sensor 19 may be a commercially available air quality sensor, and therefore, the description thereof is omitted.

Further, the outside of casing 12 is equipped with interface 20, one side of active carbon filter screen 14 is equipped with frame 21 with interface 20 complex, the outside of frame 21 is equipped with drawer 22, is convenient for change active carbon filter screen 14.

Further, the inside of spraying dust removal tank 3 is equipped with a plurality of catalysis boards 23, catalysis board 23 whole body distributes and has had the through-hole, has played catalytic reaction's effect, increases the reaction rate of waste gas and spraying liquid.

Furthermore, a water inlet pipe 24 and a water outlet pipe 25 are arranged on the side wall of the heat exchange tank 2, so that the heat exchange tank can be conveniently butted with external heat exchange equipment.

Furthermore, a rubber layer is arranged between the frame 21 and the interface 20, so that a sealing effect is achieved.

Concretely, the waste gas that produces through fan 1 with the electrolytic aluminum in-process is leading-in to spiral helicine heat exchange tube 5 in the heat transfer jar 2, carry out cooling to waste gas and retrieve the heat in the waste gas simultaneously, the waste gas after will cooling is leading-in to spray to remove dust and detach harmful gas in jar 3 again, then in leading-in air purifier 4 with the gas after handling again, adsorb and filter further purification under the effect of active carbon filter screen 14, further purify in the cooperation of UV ultraviolet lamp 16 and photocatalyst plate 15 at last, discharge in the external environment through air-out pipeline 17, ensure to discharge the gas in the air and do not contain dust and harmful gas, have and purify abundant and thorough characteristics.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An exhaust purification device for anode materials for aluminum smelting comprises a fan (1), a heat exchange tank (2), a spraying dust removal tank (3) and a gas purifier (4); the method is characterized in that: the gas purifier comprises a heat exchange tank (2), a spiral heat exchange tube (5) is arranged in the heat exchange tank (2), a first air inlet tube (6) connected with the heat exchange tube (5) is arranged on the lower side of the heat exchange tank (2), a first air outlet tube (7) connected with the heat exchange tube (5) is arranged on the top of the heat exchange tank (2), an air outlet of a fan (1) is connected with the first air inlet tube (6) through an air guide tube, a plurality of spray heads (8) are arranged on the top of an inner cavity of a spray dust removal tank (3), spray openings of the spray heads (8) are vertically downward, a dirt outlet tube (9) is arranged at the bottom of the spray dust removal tank (3), a second air inlet tube (10) and a second air outlet tube (11) are respectively arranged on the lower side wall and the upper side wall of the spray dust removal tank (3), the second air inlet tube (10) is connected with the first air outlet tube (7) through the air guide tube, the gas purifier (4) comprises, the inner chamber bottom of casing (12) is equipped with suction fan (13), the top of suction fan (13) is equipped with a plurality of active carbon filter screen (14), the top of active carbon filter screen (14) is equipped with a plurality of photocatalyst board (15), is equipped with UV ultraviolet lamp (16) between photocatalyst board (15), the top of casing (12) is equipped with vertical ascending air-out siphunculus (17), be equipped with third intake pipe (18) on the lower lateral wall of casing (12), third intake pipe (18) are connected with second outlet duct (11) through the guide duct.

2. The exhaust purification device of anode material for aluminum smelting according to claim 1, characterized in that: an air quality sensor (19) is arranged at the top of the inner cavity of the shell (12).

3. The exhaust purification device of anode material for aluminum smelting according to claim 1, characterized in that: the outer side of the shell (12) is provided with a plug-in port (20), one side of the activated carbon filter screen (14) is provided with a frame (21) matched with the plug-in port (20), and the outer side of the frame (21) is provided with a drawer handle (22).

4. The exhaust purification device of anode material for aluminum smelting according to claim 1, characterized in that: the inside of spraying dust removal tank (3) is equipped with a plurality of catalysis boards (23), catalysis board (23) whole body distributes has the through-hole.

5. The exhaust purification device of anode material for aluminum smelting according to claim 1, characterized in that: and a water inlet pipe (24) and a water outlet pipe (25) are arranged on the side wall of the heat exchange tank (2).

6. The exhaust purification device of anode material for aluminum smelting according to claim 3, characterized in that: a rubber layer is arranged between the frame (21) and the interface (20).