CN-113957485-B - Continuous anode aluminum electrolysis cell

Abstract

A fixed seat frame device for a continuous anode on an aluminum electrolysis cell is applied to electrolysis equipment. The cathode heat-insulating cell shell comprises a cathode heat-insulating cell shell 1, molten aluminum 2, an inert cathode 3, an electrolyte 4, an insulating plate 5, a gas cavity 6, a continuous anode fixing seat frame 7, an exhaust hole 8, a limiting clamping block 9, a continuous anode metal shell 10 and a carbon anode 11. The invention has the advantages that 1, the fixed seat frame replaces the traditional closed cover, the electrolytic furnace chamber is tightly and fully closed, and the waste gas generated in the electrolytic process can only be discharged from the set exhaust hole, thereby avoiding the unorganized discharge. 2. The fixed seat frame and the cathode heat-insulating tank shell form a high-pressure cavity for heat, and play a key role in heat management. 3. The fixed seat frame is connected with the anode shell in a clamping way, so that the anode shell is not easy to deform, and long-term upright running smoothness of the carbon anode is ensured, and the service life is long. 4. A plurality of air holes can be designed and distributed on the plane of the fixed seat frame, so that waste gas is strictly discharged, the exhaust gas quantity is minimum, and the fixed seat frame can also be used as a blanking hole.

Inventors

• JIA SHIMING
• WANG HONGXIA

Assignees

• 武汉市德成科技工程研究院有限责任公司

Dates

Publication Date

20260505

Application Date

20200720

Claims (4)

1. 1. A continuous anode aluminum electrolysis cell is characterized by comprising a continuous anode fixing seat frame (7), wherein the continuous anode fixing seat frame (7) is arranged on the cell edge of an insulating cell shell (1) of the aluminum electrolysis cell, an insulating plate (5) is arranged between the continuous anode fixing seat frame (7) and the cell edge of the insulating cell shell (1), The electrolyte (4), the upper edge side part of the heat-insulating tank shell (1), the insulating plate (5), the continuous anode fixing seat frame (7), the continuous anode metal shell (10) and the carbon anode (11) enclose a gas cavity (6), which is a gas collecting cavity for generating waste gas during electrolysis production, thereby realizing full-closed gas collection.
2. 2. The continuous anode aluminum electrolysis cell according to claim 1, wherein the aluminum electrolysis cell is filled with aluminum water (2), inert cathode (3) and electrolyte (4), and aluminum can be produced after being electrified.
3. 3. The continuous anode aluminum electrolysis cell according to claim 1, wherein a plurality of holes (8) are distributed on the plane of the continuous anode fixing seat frame (7), part of the holes are connected with an external purifying pipeline, exhaust gas is pumped to the purifying device for purification, and the other part of the holes are connected with an external alumina blanking conveying pipe to realize blanking.
4. 4. The continuous anode aluminum reduction cell according to claim 1, wherein the continuous anode metal casing (10) and carbon anode (11) are arranged in any number of rows and columns.

Description

Continuous anode aluminum electrolysis cell Technical Field The invention belongs to the technical field of aluminum electrolysis. Background The electrolytic aluminum anode application was discontinuous since Lu Ai-hall invention salt melting process aluminum production. For many years, the martial arts de scientific engineering institute Gu Danming and Wang Gongxia invented continuous anodes. Here, the installation of the continuous anode on the aluminium electrolysis cell entails a further scientific choice. The method aims at achieving the purposes of concentrated application of heat energy, overcoming the unorganized emission of waste gas, simplifying and advancing the discharging method, simplifying the structure and advancing the process. Disclosure of Invention In order to save energy and protect environment and ensure scientific installation of the continuous anode on the aluminum electrolysis cell, we invented a fixed seat frame device of the continuous anode on the aluminum electrolysis cell. The invention mainly uses the continuous anode fixed seat frame to replace the traditional aluminum electrolysis cell to carry out full-closed production, thereby avoiding the unorganized emission of waste gas and realizing full-automatic and full-closed gas collection, purification and blanking. The invention adopts the technical scheme that a continuous anode fixing seat frame is arranged on the slot edge of a heat-insulating slot shell, and an insulating plate is arranged between the continuous anode fixing seat frame and the slot edge. The waste gas generated in the electrolysis process is collected by a gas cavity enclosed by electrolyte, an insulating plate, particularly a continuous anode seat frame and a carbon anode, and is discharged to a purification system for treatment through holes. The system is a very strict closed system, and the unorganized emission is strictly stopped. The limiting clamping block plays a role in limiting and fixing the continuous anode metal shell, and is connected with the continuous anode metal shell into a whole, and the hole can also be used as a blanking hole. The continuous anodes can be arranged randomly on the fixed seat frame device, more than two continuous anodes can be arranged randomly, and the holes can be arranged randomly or used as blanking holes. The process is simple, energy-saving and environment-friendly, and realizes continuous and automatic production of the electrolytic aluminum anode. Drawings The invention is further described below with reference to the accompanying drawings. Figure 1 is a drawing of a mounting arrangement for a continuous anode on an aluminium electrolysis cell comprising 1a thermally insulated cell shell 2, aluminium water 3, inert cathode 4, electrolyte 5, insulating plate 6, gas chamber 7, continuous anode mounting 8, holes 9, limit blocks 10, continuous anode metal housing 11, carbon anode. Fig. 2 is a top view of the fixture mount arrangement 7, continuous anode fixture mount, 8, hole, 9, fixture block, 10, continuous anode metal housing. Detailed Description The fixed seat frame device of the continuous anode on the aluminum electrolysis cell is shown in figure 1, is arranged on the cell edge of a heat-insulating cell shell 1, an insulating plate 5 is arranged between the fixed seat frame device and the cell edge to separate anode current from cathode current, the electrifying current of a carbon anode 11 in a continuous anode metal shell 10 passes through an electrolyte 4 to aluminum water 2, and then forms a loop with an external power supply through an inert cathode 3, and aluminum electrolysis is realized. The waste gas generated in the electrolysis process is collected by a gas cavity 6 surrounded by an electrolyte 4, an insulating plate 5, a continuous anode fixing seat frame 7 and a carbon anode 11, and then is discharged to a purification system for treatment through a hole 8. The system is a very strict closed system, and the unorganized emission is strictly stopped. The limiting clamping block 9 plays a role in limiting and fixing the continuous anode metal shell 10 and integrally connects the continuous anode metal shell 10 and the continuous anode metal shell, and part of the holes 8 can also be used as blanking holes. The continuous anode shown in figure 2 can be arranged at random on the fixed mounting means on the aluminium electrolysis cell, can be arranged at random with more than two, and the holes 8 can be arranged at random.