CN217298043U

CN217298043U - Energy-saving electrolytic aluminum cell

Info

Publication number: CN217298043U
Application number: CN202220432689.5U
Authority: CN
Inventors: 赵文华; 毛洪利; 陆莹
Original assignee: Shenyang Huaqi Industry Co ltd
Current assignee: Shenyang Huaqi Industry Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-08-26
Anticipated expiration: 2032-03-01

Abstract

The utility model belongs to the technical field of electrolysis equipment, especially, an energy-saving electrolysis aluminium cell, including the cell body, the top fixed mounting of cell body has the top cap, and fixed mounting has the blast pipe on the top cap, the equal fixed mounting in both sides of cell body has the feed liquor pipe, the bottom fixed mounting of cell body has the mounting panel, fixed mounting has servo motor on the mounting panel, fixed cover is equipped with the driving gear on servo motor's the output shaft, vertical fixed mounting has an installation section of thick bamboo on the bottom inner wall of cell body, sliding seal installs the extraction pipe in the installation section of thick bamboo. The utility model relates to a rationally, can control the height of extraction tube import and export according to actual need to can make the height of aluminium liquid level in the cell body keep relatively stable, and then can effectually avoid the aluminium liquid level to increase the influence to the thermal balance of electrolysis trough and the concentration balance change of electrolyte in the electrolysis trough, the power consumption of effectual reduction electrolytic aluminum technology.

Description

Energy-saving electrolytic aluminum cell

Technical Field

The utility model relates to the technical field of electrolysis equipment, in particular to an energy-saving electrolytic aluminum cell.

Background

Electrolytic aluminum is aluminum obtained by electrolysis. The modern electrolytic aluminum industry adopts cryolite-alumina molten salt electrolysis method. The molten cryolite is solvent, alumina is solute, carbosome is anode, aluminium liquid is cathode, strong direct current is introduced, electrochemical reaction is carried out on two poles in the electrolytic cell at 950-970 ℃, namely electrolysis. In the operation of aluminum electrolysis, an electrolytic cell is used, and the electrolytic cell consists of a cell body, an anode and a cathode, and an anode chamber and a cathode chamber are mostly separated by a diaphragm. The electrolytic bath is divided into an aqueous solution electrolytic bath, a molten salt electrolytic bath and a non-aqueous solution electrolytic bath according to different electrolyte solutions.

When direct current passes through the electrolytic cell, oxidation reaction occurs at the interface of the anode and the solution, and reduction reaction occurs at the interface of the cathode and the solution to prepare the required product, however, most of the existing electrolytic cells are produced by a process mode of sucking aluminum liquid generated by electrolysis out of an electrolytic cell molten bath in a timing and quantitative aluminum suction mode, the cathode aluminum liquid layer of the aluminum liquid generated in the electrolytic cell is continuously thickened in a certain period of time, the level of the aluminum liquid layer is increased and changed, so that the fluctuation of a magnetic field and a magnetic rotational flow is increased, the heat balance of the electrolytic cell is influenced, but also influences the concentration balance change of the electrolyte in the electrolytic bath, causes uneven current distribution, causes larger change of the electrolytic pole distance, influences the process stability of the electrolytic bath, thereby causing the power consumption of the electrolytic aluminum process to be high, therefore, the utility model provides an energy-saving electrolytic aluminum cell for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art and provides an energy-saving electrolytic aluminum cell.

The above technical object of the present invention can be achieved by the following technical solutions: the utility model provides an energy-saving electrolytic aluminum cell, includes the cell body, the top fixed mounting of cell body has the top cap, and fixed mounting has the blast pipe on the top cap, the equal fixed mounting in both sides of cell body has the feed liquor pipe, the bottom fixed mounting of cell body has the mounting panel, fixed mounting has servo motor on the mounting panel, fixed cover is equipped with the driving gear on servo motor's the output shaft, vertical fixed mounting has an installation section of thick bamboo on the bottom inner wall of cell body, sliding seal installs the extraction pipe in the installation section of thick bamboo, and the top of extraction pipe is the setting of falling U-shaped, equal fixed mounting has the conducting rod on the both sides inner wall of cell body, and the one end that two conducting rods are close to each other is provided with positive pole charcoal piece and negative pole charcoal piece respectively, be provided with the hot plate in the cell body.

Preferably, two guide grooves are formed in the inner wall of the installation cylinder, guide rods are vertically fixedly installed in the two guide grooves, limiting blocks are slidably installed on the two guide rods, and the two limiting blocks are fixedly connected with the extraction pipe.

Preferably, a rack is vertically and fixedly installed on the extraction pipe, and the rack is meshed with the driving gear.

Preferably, the tank body is sequentially provided with an inner liner, an impermeable layer, a heat-insulating layer and an outer layer from inside to outside.

Preferably, the inner wall of the bottom of the tank body is fixedly provided with a clamping plate, the top side of the clamping plate is provided with a clamping groove, and the clamping groove is matched with the inlet of the extraction pipe.

Preferably, a rectangular opening is formed in the front side of the groove body, and heat-resistant glass is fixedly mounted in the rectangular opening.

Preferably, a drainage plate is fixedly mounted on the inner wall of the top cover, a groove is formed in the drainage plate, and the bottom end of the exhaust pipe is communicated with the groove.

The utility model has the advantages that: the utility model discloses in, through servo motor, can control the height of extraction tube import and export as required under the cooperation of driving gear and rack, can inject the control range of extraction tube under the cooperation of guide bar, guide way and stopper simultaneously, when the aluminium liquid level height that separates out in the cell body exceeded extraction tube export height, aluminium liquid discharges the cell body from the extraction tube, thereby can make the aluminium liquid level in the cell body keep relatively stable, avoided the influence that the aluminium liquid level increases the thermal balance of electrolysis trough and the concentration equilibrium change of electrolyte in the electrolysis trough, thereby caused the current distribution inhomogeneous make the utmost point distance of electrolysis trough grow high, voltage rises, the condition of the power consumption of electrolytic aluminum technology is increased;

the liquid level height of the aluminum liquid in the tank body can be conveniently observed under the matching of the rectangular opening and the heat-resistant glass, the leakage of the electrolyte can be avoided through the impermeable layer and the heat-insulating layer, and meanwhile, the temperature loss rate of the electrolyte is effectively reduced, so that the consumption of electric energy can be effectively reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of a three-dimensional structure of an energy-saving electrolytic aluminum cell provided by the present invention;

FIG. 2 is a schematic view of a cross-sectional structure of an energy-saving electrolytic aluminum cell proposed by the present invention;

FIG. 3 is a schematic view of the structure of part A of the energy-saving electrolytic aluminum cell of the present invention.

In the figure: 1. a trough body; 11. an outer layer; 12. an inner liner layer; 13. an impermeable layer; 14. a heat-insulating layer; 2. a top cover; 21. a drainage plate; 22. an exhaust pipe; 3. a liquid inlet pipe; 4. mounting a plate; 5. mounting the cylinder; 51. a guide groove; 52. a guide bar; 6. an extraction pipe; 61. a rack; 62. a limiting block; 63. clamping a plate; 7. a servo motor; 71. a drive gear.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, an energy-saving electrolytic aluminum cell comprises a cell body 1, a top cover 2 is fixedly arranged on the top of the cell body 1, an exhaust pipe 22 is fixedly arranged on the top cover 2, gas generated in the electrolytic process can be discharged through the exhaust pipe 22, the liquid inlet pipe 3 is fixedly arranged on both sides of the tank body 1, the mounting plate 4 is fixedly arranged at the bottom of the tank body 1, the servo motor 7 is fixedly arranged on the mounting plate 4, the driving gear 71 is fixedly sleeved on the output shaft of the servo motor 7, the mounting cylinder 5 is vertically and fixedly arranged on the inner wall of the bottom of the tank body 1, the extraction pipe 6 is arranged in the mounting cylinder 5 in a sliding and sealing manner, and the top of the extraction pipe 6 is arranged in an inverted U shape, conductive rods are fixedly arranged on the inner walls of the two sides of the tank body 1, an anode carbon block and a cathode carbon block are respectively arranged at the ends, close to each other, of the two guide rods, and a heating plate is arranged in the tank body 1.

In this embodiment, seted up two guide ways 51 on the inner wall of installation section of thick bamboo 5, equal vertical fixed mounting has guide bar 52 in two guide ways 51, equal slidable mounting has stopper 62 on two guide bar 52, and two stopper 62 all with extraction tube 6 fixed connection, can make the slip that extraction tube 6 remains stable under the cooperation through guide ways 51, guide bar 52 and stopper 62, can prescribe a limit to the control range of extraction tube 6 simultaneously.

In this embodiment, the rack 61 is vertically and fixedly mounted on the extraction pipe 6, the rack 61 is meshed with the driving gear 71, and the height of the extraction pipe 6 can be adjusted when the servo motor 7 works under the cooperation of the rack 61 and the driving gear 71.

In this embodiment, the tank body 1 is sequentially provided with the inner liner 12, the impermeable layer 13, the insulating layer 14 and the outer layer 11 from inside to outside, leakage can be avoided through the impermeable layer 13 and the insulating layer 14, and heat loss can be effectively reduced.

In this embodiment, fixed mounting has cardboard 63 on the bottom inner wall of cell body 1, and the draw-in groove has been seted up on the top side of cardboard 63, and the import looks adaptation of draw-in groove and extraction pipe 6 can seal the import of extraction pipe 6 as required under the cooperation through cardboard 63 and draw-in groove.

In this embodiment, the front side of the tank body 1 is provided with a rectangular opening, heat-resistant glass is fixedly mounted in the rectangular opening, and the condition in the tank body 1 can be conveniently observed through the heat-resistant glass.

In this embodiment, fixed mounting has drainage plate 21 on the top inner wall of top cap 2, has seted up the recess on the drainage plate 21, and the bottom and the recess of blast pipe 22 are linked together, can carry out the water conservancy diversion to the gas that produces through drainage plate 21 to can make gas discharge through blast pipe 22 fast.

Wherein, the inlet height of the extraction pipe 6 is lower than the outlet height, when the height of the liquid level reaches the outlet height, the aluminum liquid in the tank body 1 is discharged through the extraction pipe 6, and simultaneously, the aluminum liquid level in the tank body 1 can be kept in a relatively undetermined state.

The working principle is as follows: when the electrolytic bath is used, firstly, a power supply is switched on, electrolyte is injected into the bath body 1 through the liquid inlet pipe 3, the electrolyte is electrolyzed under the matching of the cathode carbon block and the anode carbon block, the generated gas is upwards gathered into the top cover 2 and is guided to the position of the exhaust pipe 22 under the matching of the groove on the drainage plate 21, then the gas generated in the electrolysis process is discharged through the exhaust pipe 22 and is conveyed to an external gas storage device for processing, the electrolyte can be heated through the heating plate, the leakage can be avoided under the action of the impermeable layer 13 and the heat insulation layer 14, meanwhile, the temperature loss of the electrolyte can be reduced, the aluminum liquid generated in the electrolysis process is gathered at the bottom of the bath body 1, the servo motor 7 is started, the servo motor 7 drives the extraction pipe 6 to carry out height adjustment through the driving gear 71 and the rack 61, the control valve is opened after the inlet of the extraction pipe 6 is adjusted to a proper height below the aluminum liquid level, because the import of extraction tube 6 is less than the export, aluminium liquid discharges through the aluminium liquid that assembles on extraction tube 6 with cell body 1 bottom inner wall, can make the aluminium liquid level in the cell body 1 keep the state relatively steady simultaneously, has avoided the aluminium liquid level to increase the influence to the thermal balance of electrolysis trough and the concentration balance change of the interior electrolyte of electrolysis trough to cause the condition that the pole pitch that current distribution is inhomogeneous makes the electrolysis trough grows highly, voltage risees, increases the power consumption of electrolytic aluminum technology.

The energy-saving electrolytic aluminum cell provided by the utility model is described in detail above. The principles and embodiments of the present invention have been explained herein using specific embodiments, which are merely used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the scope of the appended claims.

Claims

1. An energy-saving electrolytic aluminum cell comprises a cell body (1) and is characterized in that a top cover (2) is fixedly mounted at the top of the cell body (1), an exhaust pipe (22) is fixedly mounted on the top cover (2), liquid inlet pipes (3) are fixedly mounted on two sides of the cell body (1), a mounting plate (4) is fixedly mounted at the bottom of the cell body (1), a servo motor (7) is fixedly mounted on the mounting plate (4), a driving gear (71) is fixedly sleeved on an output shaft of the servo motor (7), a mounting cylinder (5) is vertically and fixedly mounted on the inner wall of the bottom of the cell body (1), an extraction pipe (6) is slidably and hermetically mounted in the mounting cylinder (5), the top end of the extraction pipe (6) is arranged in an inverted U shape, conductive rods are fixedly mounted on the inner walls of two sides of the cell body (1), and an anode carbon block and a cathode carbon block are respectively arranged at one end, close to each other, of the two guide rods, a heating plate is arranged in the tank body (1).

2. An energy saving electrolytic aluminum reduction cell according to claim 1, wherein: two guide grooves (51) have been seted up on the inner wall of an installation section of thick bamboo (5), equal vertical fixed mounting has guide bar (52) in two guide grooves (51), and equal slidable mounting has stopper (62) on two guide bar (52), and two stopper (62) all with extraction pipe (6) fixed connection.

3. An energy saving electrolytic aluminum reduction cell according to claim 1, wherein: and a rack (61) is vertically and fixedly installed on the extraction pipe (6), and the rack (61) is meshed with the driving gear (71).

4. An energy saving electrolytic aluminum reduction cell according to claim 1, wherein: the tank body (1) is sequentially provided with an inner lining layer (12), an impermeable layer (13), a heat insulation layer (14) and an outer layer (11) from inside to outside.

5. An energy saving electrolytic aluminum reduction cell according to claim 1, wherein: the inner wall of the bottom of the tank body (1) is fixedly provided with a clamping plate (63), the top side of the clamping plate (63) is provided with a clamping groove, and the clamping groove is matched with an inlet of the extraction pipe (6).

6. An energy saving electrolytic aluminum reduction cell according to claim 1, wherein: a rectangular opening is formed in the front side of the tank body (1), and heat-resistant glass is fixedly mounted in the rectangular opening.

7. An energy saving electrolytic aluminum reduction cell according to claim 1, wherein: the drainage plate (21) is fixedly mounted on the inner wall of the top cover (2), a groove is formed in the drainage plate (21), and the bottom end of the exhaust pipe (22) is communicated with the groove.