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Anti-oxidation spraying device and method for anode carbon block for aluminum electrolysis

A technology of anode carbon block and spraying device, which is applied to the device and coating of surface coating liquid, which can solve the problems of affecting the economic benefits of aluminum electrolysis plants, the inability to popularize and apply on a large scale, and the effect is not obvious, so as to reduce labor costs. Intensive and repetitive mechanical labor, improving the quality of the working environment, and improving the effect of utilization

Inactive Publication Date: 2014-01-01
ZHENGZHOU LIGHT METAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the production process of electrolytic aluminum, before the anode carbon block is immersed in the electrolyte, the upper part is covered with a covering material, but the rest of the surrounding area is exposed to high temperature environment, causing oxidation. When oxidation occurs, slag, cracks, and block loss will occur. Seriously affect the economic benefits of aluminum electrolysis plants
[0003] The problem of anodic oxidation in China has also begun to attract the attention of electrolytic aluminum enterprises in recent years. Individual enterprises and design units have begun to test anodic anti-oxidation technologies and methods. Method, a company uses borax, industrial phosphoric acid, kaolin, water, etc. to make a coating and coat it on the surface of the oxidized carbon block. etc., can make the anode carbon block play the purpose of anti-oxidation, but the process is complicated and the effect is not obvious. At the same time, because these methods are all manually operated, the efficiency is low, and it cannot be widely used.

Method used

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  • Anti-oxidation spraying device and method for anode carbon block for aluminum electrolysis
  • Anti-oxidation spraying device and method for anode carbon block for aluminum electrolysis
  • Anti-oxidation spraying device and method for anode carbon block for aluminum electrolysis

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Embodiment 1

[0034] Embodiment one: see figure 1 , figure 2 , Figure 4-Figure 6 , Figure 9 and Figure 10 , an anti-oxidation spraying device for anode carbon blocks for aluminum electrolysis in the present invention, comprising a support frame 1 and a carbon block working platform 2 arranged on the lower side of the support frame 1, and the four sides inside the support frame 1 are provided with spraying units, so The spraying unit described above includes arc spraying equipment and a moving mechanism connecting the arc spraying equipment and the support frame 1, the described arc spraying equipment includes a spray gun 22, a wire feeder, a dedicated power supply, a control device and a compressed air supply system, and the moving The mechanism includes a horizontal sliding table 4 fixed on the support frame 1, a vertical sliding table 5, a traverse motor 6 and a lifting motor 7 respectively arranged at the ends of the horizontal sliding table 4 and the longitudinal sliding table 5,...

Embodiment 2

[0035] Embodiment two: see figure 1 , figure 2 , Figure 4-Figure 6 , Figure 9 and Figure 10 , the structure of this embodiment is basically the same as that of Embodiment 1, and the similarities will not be repeated. The difference is that an adjustment mechanism is also provided between the spray bracket 10 and the spray gun 22, and the adjustment mechanism includes The spraying fixed plate 11 of fixed spray gun 22 and the electric push rod 12 that two ends are respectively with one end of spraying fixed plate 11 and spraying support 10 hinged, the other end of spraying fixed plate 11 is hinged with spraying support 10.

Embodiment 3

[0036] Embodiment three: see Figure 3-Figure 6 , Figure 9 , the structure of this embodiment is basically the same as that of Embodiment 1, and the similarities will not be repeated. The difference is that the carbon block working platform is an automatic feeding mechanism that runs through the front and rear end faces of the support frame 1, and the automatic feeding The mechanism includes a feeding support 13, a feeding conveying belt 14, a conveying roller 16 and a drive motor 15 that drives the conveying roller 16 to run.

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Abstract

The invention belongs to the technical field of anti-oxidation spraying equipment, and discloses an anti-oxidation spraying device and method for an anode carbon block for the aluminum electrolysis. The anti-oxidation spraying device for the anode carbon block for the aluminum electrolysis comprises a supporting framework and a carbon block work platform arranged at the lower side of the supporting framework, spraying units are arranged on the four side faces of the supporting framework, each spraying unit comprises a spraying device body and a moving mechanism which connects a spraying gun of the spraying device body and the supporting framework, a transverse sliding table and a longitudinal sliding table of each moving mechanism are provided with patches, a driving lug is provided with a proximity switch matched with the patches, a PLC system is used for controlling forward and backward rotation of lifting motors and transversely-moving motors and controlling the limit motions of the proximity switch and the patches, and accordingly the longitudinal sliding tables and spraying supports are adjusted to carry out spraying in an S shape. The anti-oxidation spraying device and method for the anode carbon block for the aluminum electrolysis achieve the technical purpose of automatic electric arc spraying of aluminum coatings for the anode carbon block, improve work efficiency, save expenses, and avoid damage to the human body by smoke dust, harmful gas, noise and the like caused by electric arc spraying.

Description

technical field [0001] The invention belongs to the technical field of anti-oxidation spraying equipment, and in particular relates to an anti-oxidation spraying device and method for an anode carbon block used in aluminum electrolysis. Background technique [0002] In the production process of electrolytic aluminum, before the anode carbon block is immersed in the electrolyte, the upper part is covered with a covering material, but the rest of the surrounding area is exposed to high temperature environment, causing oxidation. When oxidation occurs, slag, cracks, and block loss will occur. Seriously affect the economic benefits of aluminum electrolysis plants. [0003] The problem of anodic oxidation in China has also begun to attract the attention of electrolytic aluminum enterprises in recent years. Individual enterprises and design units have begun to test anodic anti-oxidation technologies and methods. Method, a company uses borax, industrial phosphoric acid, kaolin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05C5/04B05C11/10B05C13/02B05D1/04
Inventor 王有山梁学民刘静李龙龙张朋博邹亮
Owner ZHENGZHOU LIGHT METAL TECH
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