Flue gas purification treatment device for electrolytic aluminum

Abstract

The invention relates to the technical field of electrolytic aluminum, and discloses an electrolytic aluminum flue gas purification treatment device which comprises an exhaust pipe, a gas storage tank, a main gas pump, a conveying pipe and a connecting box, the bottom of the gas storage tank is fixedly communicated with the exhaust pipe, and the bottom of the main gas pump is fixedly communicated with the gas storage tank; the top of the main air pump fixedly communicates with the connecting box through a conveying pipe. Through cooperative use of an electric push rod, a transmission rod, a connecting plate, a scraping plate, a filtering plate, a residue discharging opening and a collecting box, the electric push rod is started, the electric push rod drives the connecting plate to move through the transmission rod, the connecting plate drives the scraping plate to reciprocate to clean dirt on the filtering plate, and the scraped dirt enters an inner cavity of the collecting box through the residue discharging opening; the problems that an existing flue gas purification device does not have the capacity of cleaning a flue gas preliminary filtering structure, the filtering structure can be blocked after long-time use, and the flue gas treatment effect is affected are solved.

Description

Technical Field

[0001] The present invention belongs to the technical field of electrolytic aluminum, and in particular relates to an electrolytic aluminum fume purification treatment device. Background Art

[0002] Electrolytic aluminum is aluminum obtained by electrolysis. Modern electrolytic aluminum industry production adopts cryolite-alumina molten salt electrolysis. Molten cryolite is the solvent, alumina is the solute, carbonite is the anode, and aluminum liquid is the cathode. After a strong direct current is passed through, an electrochemical reaction is carried out at the two electrodes in the electrolytic cell at 950℃-970℃, that is, electrolysis.

[0003] During the processing of electrolytic aluminum, smoke will be generated, which will have an impact on the environment, so the smoke needs to be purified. The problem with the above technology is that the existing smoke purification device does not have the ability to clean the initial filter structure of the smoke. Long-term use will cause the filter structure to be blocked, thereby affecting the smoke treatment effect. Summary of the invention

[0004] In view of the problems existing in the prior art, the present invention provides an electrolytic aluminum fume purification device that can overcome the above problems or at least partially solve the above problems.

[0005] The present invention is implemented as follows: an electrolytic aluminum fume purification treatment device comprises an exhaust pipe, a gas storage tank, a main air pump, a transmission pipe and a connection box, wherein the bottom of the gas storage tank is fixedly connected to the exhaust pipe, the bottom of the main air pump is fixedly connected to the gas storage tank, the top of the main air pump is fixedly connected to the connection box through the transmission pipe, both sides of the connection box are fixedly connected to an activated carbon adsorption box, a transmission box is arranged on the left side of the gas storage tank, the top of the transmission box is fixedly connected to a filter box through a pipeline, the bottom of the filter box is fixedly connected to an auxiliary air pump through a pipeline, one end of the auxiliary air pump is fixedly connected to a spray assembly, the inner cavity of the filter box is provided with a filter plate, and the top of the filter plate is provided with a cleaning structure;

[0006] The spray assembly is used to spray the flue gas;

[0007] The cleaning component is used to clean the dirt remaining on the filter plate.

[0008] In order to spray the flue gas, preferably, the spray assembly includes a spray box, the front side of the spray box is fixedly connected to a water tank, the bottom of the spray box is fixedly connected to a drain pipe, and the right side of the spray box is fixedly connected to a discharge pipe, so that the flue gas can be desulfurized and denitrified.

[0009] In order to clean the dirt on the filter plate, preferably, the cleaning assembly includes a scraper, the top of the scraper is fixedly connected to a connecting plate, one side of the connecting plate is fixedly connected to a transmission rod, one side of the transmission rod is installed with an electric push rod, and the bottom of the electric push rod is fixedly connected to a bracket, which can scrape off the dirt on the filter plate to prevent the dirt from clogging and affecting the normal use of the filter plate.

[0010] In order to adsorb particles in the flue gas, preferably, there are multiple activated carbon adsorption boxes, which are distributed in a ring on the surface of the gas storage tank. The conveying box is fixedly connected to the activated carbon adsorption box through a pipeline, and the activated carbon adsorption box can adsorb particles in the flue gas.

[0011] In order to better spray the flue gas, preferably, a slag discharge port is opened on the front side of the filter box, a collecting box is arranged on the front side of the slag discharge port, a sealing strip is fixedly connected to the rear side of the collecting box, a support plate is arranged at the bottom of the collecting box, a sliding block is arranged in the inner cavity of the support plate, and the top of the sliding block is fixedly connected to the collecting box. The spraying part cooperates with the medicine and water in the water tank to desulfurize and denitrify the flue gas.

[0012] In order to improve the cleaning effect of the scraper, preferably, a spray component is provided inside the spray box, an electric control valve is installed on the drain pipe, and the scraper can automatically clean the filter plate through an electric push rod.

[0013] In order to enhance the stability of the scraper when it moves, preferably, the bottom of the scraper contacts the filter plate, the front side of the bracket is fixedly connected to the filter box, and the moving plate and the moving rod cooperate to limit the scraper and enhance the stability of the scraper when it moves.

[0014] In order to enhance the stability of the scraper when it moves, preferably, a moving rod is fixedly connected to the top of the scraper, a moving plate is sleeved on the surface of the moving rod, and the front and rear sides of the moving plate are fixedly connected to the inner wall of the filter box.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The present invention arranges an electric push rod, a transmission rod, a connecting plate, a scraper, a filter plate, a slag discharge port and a collection box for coordinated use. When the electric push rod is turned on, the electric push rod drives the connecting plate to move via the transmission rod, and the connecting plate drives the scraper to move back and forth to clean the dirt on the filter plate. The scraped dirt enters the inner cavity of the collection box through the slag discharge port, thereby solving the problem that the existing flue gas purification device does not have the ability to clean the preliminary filtering structure of the flue gas, and long-term use will cause blockage of the filtering structure, thereby affecting the flue gas treatment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1is a schematic diagram of a three-dimensional structure provided by an embodiment of the present invention;

[0018] Figure 2 It is a three-dimensional schematic diagram of a local structure provided by an embodiment of the present invention;

[0019] Figure 3 It is a three-dimensional schematic diagram of a filter box, an auxiliary air pump, a spray assembly and a collection box provided by an embodiment of the present invention;

[0020] Figure 4 It is a three-dimensional schematic diagram of a spray assembly and a collection box provided by an embodiment of the present invention;

[0021] Figure 5 It is a three-dimensional schematic diagram of a filter box, a cleaning structure and a collection box provided by an embodiment of the present invention;

[0022] Figure 6 It is a three-dimensional schematic diagram of a local structure provided by an embodiment of the present invention.

[0023] In the figure: 1. exhaust pipe; 2. gas storage tank; 3. main air pump; 4. transmission pipe; 5. connection box; 6. activated carbon adsorption box; 7. conveying box; 8. filter box; 9. auxiliary air pump; 10. spray assembly; 1001. spray box; 1002. water tank; 1003. drain pipe; 1004. discharge pipe; 11. filter plate; 12. cleaning structure; 1201. scraper; 1202. connection plate; 1203. transmission rod; 1204. electric push rod; 1205. bracket; 13. slag discharge port; 14. collection box. DETAILED DESCRIPTION

[0024] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0025] The structure of the present invention is described in detail below in conjunction with the accompanying drawings.

[0026] like Figures 1 to 6As shown, an electrolytic aluminum fume purification treatment device provided by an embodiment of the present invention includes an exhaust pipe 1, a gas storage tank 2, a main air pump 3, a transmission pipe 4 and a connection box 5. The bottom of the gas storage tank 2 is fixedly connected to the exhaust pipe 1, the bottom of the main air pump 3 is fixedly connected to the gas storage tank 2, the top of the main air pump 3 is fixedly connected to the connection box 5 through the transmission pipe 4, both sides of the connection box 5 are fixedly connected to an activated carbon adsorption box 6, a transmission box 7 is provided on the left side of the gas storage tank 2, the top of the transmission box 7 is fixedly connected to a filter box 8 through a pipeline, the bottom of the filter box 8 is fixedly connected to an auxiliary air pump 9 through a pipeline, one end of the auxiliary air pump 9 is fixedly connected to a spray assembly 10, and the inner cavity of the filter box 8 is provided with a filter plate 11, and the filter plate A cleaning structure 12 is provided on the top of 11; the spray assembly 10 is used to spray the flue gas; the cleaning assembly is used to clean the dirt remaining on the filter plate 11; the spray assembly 10 includes a spray box 1001, the front side of the spray box 1001 is fixedly connected to a water tank 1002, the bottom of the spray box 1001 is fixedly connected to a drain pipe 1003, and the right side of the spray box 1001 is fixedly connected to a discharge pipe 1004, which can perform desulfurization and denitrification treatment on the flue gas; the cleaning assembly includes a scraper 1201, the top of the scraper 1201 is fixedly connected to a connecting plate 1202, one side of the connecting plate 1202 is fixedly connected to a transmission rod 1203, and one side of the transmission rod 1203 is equipped with an electric The electric push rod 1204 is fixedly connected to a bracket 1205 at the bottom, which can scrape off the dirt on the filter plate 11 to prevent the dirt from clogging and affecting the normal use of the filter plate 11; there are multiple activated carbon adsorption boxes 6, which are distributed in an annular manner on the surface of the gas storage tank 2, and the conveying box 7 is fixedly connected to the activated carbon adsorption box 6 through a pipeline, and the activated carbon adsorption box 6 can adsorb particles in the flue gas; a slag discharge port 13 is provided on the front side of the filter box 8, and a collecting box 14 is provided on the front side of the slag discharge port 13, and a sealing strip is fixedly connected to the rear side of the collecting box 14, and a support plate is provided at the bottom of the collecting box 14, and a sliding block is provided in the inner cavity of the support plate, and the top of the sliding block is fixedly connected to the collecting box 14 The spraying parts cooperate with the medicine and water in the water tank 1002 to desulfurize and denitrify the flue gas; the spraying parts are arranged inside the spray box 1001, and the electric control valve is installed on the drain pipe 1003. The scraper 1201 can automatically clean the filter plate 11 through the electric push rod 1204; the bottom of the scraper 1201 contacts the filter plate 11, and the front side of the bracket 1205 is fixedly connected to the filter box 8. The moving plate and the moving rod can cooperate to limit the scraper 1201 and enhance the stability of the scraper 1201 when it moves; the top of the scraper 1201 is fixedly connected with the moving rod, and the surface of the moving rod is provided with a moving plate, and the front and rear sides of the moving plate are fixedly connected to the inner wall of the filter box 8. Working principle of the present invention:

[0027] When in use, the flue gas is poured into the exhaust pipe 1, and the flue gas enters the gas storage tank 2 through the exhaust pipe 1. The main air pump 3 absorbs the flue gas and transports it into the inner cavity of the connecting box 5 through the transmission pipe 4. The connecting box 5 transports the flue gas to the activated carbon adsorption box 6. The flue gas adsorbed by the activated carbon adsorption box 6 is discharged into the conveying box 7. The conveying box 7 transfers the flue gas to the inner cavity of the filter box 8. The filter plate 11 filters the flue gas. The filtered flue gas enters the inner cavity of the spray box 1001 through the auxiliary air pump 9. The spray parts in the spray box 1001 spray the flue gas and then discharge it through the discharge pipe 1004. When the filter plate 11 is used for a long time, the electric push rod 1204 needs to be turned on. The electric push rod 1204 drives the connecting plate 1202 to move through the transmission rod 1203. The connecting plate 1202 drives the scraper 1201 to move back and forth to clean the dirt on the filter plate 11. The scraped dirt enters the inner cavity of the collection box 14 through the slag discharge port 13.

[0028] The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with this patent will not depart from the scope of the technical solution of the present invention.

Claims

1. An electrolytic aluminum fume purification device, comprising an exhaust pipe (1), an air storage tank (2), a main air pump (3), a transmission pipe (4) and a connection box (5), wherein the bottom of the air storage tank (2) is fixedly connected to the exhaust pipe (1), the bottom of the main air pump (3) is fixedly connected to the air storage tank (2), and the top of the main air pump (3) is fixedly connected to the connection box (5) through the transmission pipe (4). Features: Both sides of the connection box (5) are fixedly connected to an activated carbon adsorption box (6), a delivery box (7) is provided on the left side of the gas storage tank (2), the top of the delivery box (7) is fixedly connected to a filter box (8) via a pipeline, the bottom of the filter box (8) is fixedly connected to an auxiliary air pump (9) via a pipeline, one end of the auxiliary air pump (9) is fixedly connected to a spray assembly (10), the inner cavity of the filter box (8) is provided with a filter plate (11), and the top of the filter plate (11) is provided with a cleaning structure (12); The spray assembly (10) is used to spray the flue gas; The cleaning component is used to clean the dirt remaining on the filter plate (11).

2. The electrolytic aluminum fume purification device according to claim 1, Features: The spray assembly (10) comprises a spray box (1001), the front side of the spray box (1001) is fixedly connected to a water tank (1002), the bottom of the spray box (1001) is fixedly connected to a drainage pipe (1003), and the right side of the spray box (1001) is fixedly connected to a discharge pipe (1004).

3. The electrolytic aluminum fume purification device according to claim 1, Features: The cleaning assembly comprises a scraper (1201), the top of the scraper (1201) is fixedly connected to a connecting plate (1202), one side of the connecting plate (1202) is fixedly connected to a transmission rod (1203), one side of the transmission rod (1203) is installed with an electric push rod (1204), and the bottom of the electric push rod (1204) is fixedly connected to a bracket (1205).

4. The electrolytic aluminum fume purification device according to claim 1, Features: There are a plurality of activated carbon adsorption boxes (6) distributed in an annular manner on the surface of the gas storage tank (2), and the delivery box (7) is fixedly connected to the activated carbon adsorption box (6) via a pipeline.

5. The electrolytic aluminum fume purification device according to claim 1, Features: The filter box (8) is provided with a slag discharge port (13) on the front side, a collection box (14) is provided on the front side of the slag discharge port (13), a sealing strip is fixedly connected to the rear side of the collection box (14), a support plate is provided at the bottom of the collection box (14), a sliding block is provided in the inner cavity of the support plate, and the top of the sliding block is fixedly connected to the collection box (14).

6. The electrolytic aluminum fume purification device according to claim 2, Features: The spray box (1001) is provided with a spray component inside, and the drain pipe (1003) is installed with an electric control valve.

7. The electrolytic aluminum fume purification device according to claim 3, Features: The bottom of the scraper (1201) is in contact with the filter plate (11), and the front side of the bracket (1205) is fixedly connected to the filter box (8).

8. The electrolytic aluminum fume purification device according to claim 3, Features: The top of the scraper (1201) is fixedly connected to a moving rod, the surface of the moving rod is sleeved with a moving plate, and the front and rear sides of the moving plate are fixedly connected to the inner wall of the filter box (8).

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