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Crust breaking and charging method

A feeding method and technology of a shelling device, which are applied in the field of shelling and feeding, can solve the problems of fast loss of the striking head, short service life, and difficulty in accurate feeding, etc., and achieve the advantages of prolonged service life, improved scraping effect, and uniform force Effect

Inactive Publication Date: 2011-02-09
SNTO TECH GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current method has at least two defects: first, it needs to use different devices for shelling and feeding, and there are many operating procedures, complicated process, high cost, and it is difficult to accurately discharge the material when filling, resulting in waste; Second, during the shelling process, the surface of the striking head will adhere to the electrolyte liquid, and form nodules after solidification. The nodules will continue to increase with the increase in the number of strikes, seriously affecting the work of the striking device, and the striking head wears quickly and has a long service life. Short, it also seriously affects the running state and production efficiency of the electrolyzer
Therefore, it is necessary to frequently clean up the nodulated electrolyte on the percussion head. What is commonly used is that the workman knocks off the nodule with a hammer or steel braze, which greatly increases the labor intensity of the workman and greatly increases the danger of the workman's work; meanwhile, Constant beating on the striking head will also cause damage to the cylinder, insulation or sealing parts of the entire shelling device, seriously affecting the service life of the shelling device

Method used

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Examples

Experimental program
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specific Embodiment approach ： Embodiment 1

[0018] Such as figure 1 As shown, a shelling and feeding method uses a shelling device with a scraper 4 and a feeding port 2. First, the power output cylinder 1 is activated to move the striking head 3 downward, and the striking head 3 strikes the shell surface to form a shell. The feeding hole; secondly, the striking head 3 rises and resets, and when the striking head 3 passes through the scraper 4 during the rising process, the scraper 4 scrapes off the adhesive on the striking head 3, and the striking head 3 rises; finally, the feeding is started program, fill the material through the feeding port 2 and the feeding hole.

Embodiment 2

[0020] Such as figure 1 As shown, a shelling and feeding method uses a shelling device with a scraper 4 and a feeding port 2, and the scraper 4 is composed of a scraper pole 5 and a scraper scraper ring 6. The scraper scraper ring 6 is square, and the striking head is columnar. First, the power output cylinder 1 is started to move the striking head 3 downward, and the striking head 3 hits the nodulated shell surface of the electrolytic cell to form a feeding hole; Secondly, the striking head 3 rises and resets. When the striking head 3 passes through the scraper 4 during the rising process, the scraper scraping ring 6 scrapes off the adhesive on the striking head 3, and the striking head 3 passes through the scraper scraping ring 6. , the scraper pole 5 and the feeding port 2 rise; finally, start the feeding program, and fill the material through the feeding port 2, the scraper 4 and the feeding hole.

Embodiment 3

[0022] Such as figure 2 As shown, a shelling and feeding method uses a shelling device with a scraper 4 and a feeding port 2. The scraper 4 is composed of a scraper pole 5 and a scraper scraper ring 6. First, Start the power output cylinder 1, so that the striking head 3 moves downward, and the striking head 3 hits the nodulated shell surface on the surface of the electrolytic cell to form a feeding hole; secondly, the striking head 3 rebounds and resets, and passes through the scraper during the rising process of the striking head 3 At 4 o'clock, the scraper scraping ring 6 scrapes off the adhesive on the striking head 3, and the striking head 3 rises through the scraper scraping ring 6, the scraper pole 5 and the discharge port 2, and when the striking head 3 passes through The scraper 4 rises above the feeding port 2, and then the feeding program is started, and the material is filled through the feeding port 2, the scraper 4 and the feeding hole.

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Abstract

The invention relates to a crust breaking and charging method. A crust breaking device with a scraper (4) and a blanking mouth (2) is used. The crust breaking and charging method comprises the following steps of: starting a power output cylinder (1) to drive a breaking head (3) to move downwards and break a crust surface to form a charging hole; then, restoring the breaking head (3), when the breaking head (3) passes through the scraper (4) in a rising process, scraping off bonding materials on the breaking head (3) through the scraper (4) and then enabling the breaking head (3) to rise; and finally, starting a charging procedure, and injecting the materials by the blanking mouth (2) and the charging hole. In the crust breaking and charging method, one device can be used for breaking a crust and charging simultaneously; and electrolyte bonded to the breaking head can be automatically cleaned.

Description

1. Technical field [0001] The invention relates to a shell breaking and feeding method for an aluminum electrolytic cell, in particular to a method for opening the shell on the surface of the electrolytic cell, filling materials into the electrolytic cell and cleaning the sticky matter on the beating head. 2. Background technology [0002] During the production process of aluminum electrolysis, it is necessary to continuously replenish materials such as alumina and aluminum fluoride to the electrolytic cell. Since the melt surface of the electrolytic cell is usually covered with a crust composed of solidified electrolyte, it is necessary to break through the crust before feeding and inject the material into the tank from the opened hole. At present, the shelling device is mainly used to open the crust, and after the hole is formed, the electrolytic cell is filled with material through a quantitative feeder. The current method has at least two defects: first, it needs to use...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C3/14
Inventor 杜志军熊君叶武龙
Owner SNTO TECH GRP