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Scrape type crust breaking apparatus

A technology of a shelling device and a scraping device, which is applied in the field of tank feeding and discharging devices, to achieve the effects of solving abnormal damage, increasing insulation points, and facilitating maintenance

Inactive Publication Date: 2009-04-22
许磊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To solve the problems of hammer head adhesion, electrolyte tumor, insulation, hammer head replacement, and stable operation

Method used

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  • Scrape type crust breaking apparatus
  • Scrape type crust breaking apparatus
  • Scrape type crust breaking apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Example 1, see figure 1 , figure 2 (a), figure 2 (b), figure 2 (c), a kind of scraping type shelling device, comprises that the shelling cylinder 1 is provided with the flange 2 that is connected with the groove body installation beam 4, is connected with hammer rod 8 at the end of cylinder piston 1-1; The lower end of the cylinder liner 1-2 is connected with a guide cylinder 7, and the hammer rod moves up and down in the guide cylinder 7. A nodulation scraping device 11 is provided at the lower ends of the guide cylinder 7 and the hammer rod 8; the lower end of the hammer rod 8 is connected with a hammer head 12. The material of the hammer head 12 is austenitic stainless steel, and its material grade is 304. The connection between the nodulation scraping device 11 and the hammer rod 8 is a key connection, the connection part is provided with a spline groove, and the lower part is provided with an arc-shaped scraper 11-1. The cutting edge 11-2 of the scraper 11-1...

Embodiment 2

[0025] Example 2, see figure 1 , figure 2 (a), figure 2 (b), figure 2 (c), image 3 , a scraping type shell breaking device, a hammer rod guide ring 13 with splines is provided between the connection part of the nodulation scraping device 11 and the hammer rod 8 . The hammer rod 8 and the hammer head 12 are connected by trapezoidal thread. The cutting edge 11-2 of the scraper 11-1 is a helical line. The material of the hammer head 12 is austenitic stainless steel, and its material grade is 316. All the other structures are the same as in Example 1.

Embodiment 3

[0026] Example 3, see figure 1 , figure 2 (a), figure 2 (b), figure 2 (c), image 3 , a scraping type shelling device also includes a hammer rod insulating part 6 between the end of the cylinder piston 1-1 and the hammer rod 8 . The hammer rod insulating part 6 includes an upper connecting piece 6-1 connected with the cylinder piston 1-1, a lower connecting piece 6-3 connected with the hammer rod 8, and the upper connecting piece 6-1 and the lower connecting piece 6 -3 are provided with an insulating pad 6-2 and an insulating ring 6-4. The scraping shell breaking device also includes an insulating pad 3 between the electrolytic cell installation beam 4 and the flange 2 . An insulating dust cover 9 is provided between the flange 7-1 at the lower end of the guide cylinder 7 and the upper horizontal cover plate 10 of the electrolytic cell. The insulating dust cover 9 can seal between the guide cylinder 7 and the horizontal cover plate 10 on the upper part of the electrol...

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Abstract

The invention mainly relates to a groove body feeding and discharging device with easy material incrustation, in particular to an incrustation breaking device for an electrolysis bath or an electroplating bath. A scraping type incrustation breaking device comprises a flange (2) which is connected with a groove body mounting beam (4) and is arranged on an incrustation pressing cylinder or an incrustation breaking cylinder (1), and a hammer rod (8) connected with the end part of a cylinder piston (1-1); and the lower end of a cylinder sleeve (1-2) is connected with a guide cylinder (7), and the hammer rod moves upwards and downwards in the guide cylinder (7). The groove body feeding and discharging device is mainly characterized in that the lower ends of the guide cylinder (7) and the hammer rod (8) are provided with scaffolding and scraping devices (11); and the lower end part of the hammer rod (8) is connected with a hammer head (12) which is made of austenitic stainless steel. The groove body feeding and discharging device overcomes the defects of the prior incrustation breaking device for an aluminum electrolysis bath so that electrolyte scaffoldings on the surface of the hammer head of the incrustation breaking device need not be beaten away manually, and the phenomena that the hammer head is fractured and falls into aluminum liquid in the electrolysis bath can be precluded. The groove body feeding and discharging device increases insulating points, improves the insulating reliability, and solves the problem of abnormal spoilage of the cylinder. At the same time, the groove body feeding and discharging device solves the sealing problem of the incrustation breaking device and the upper structure of the electrolysis bath, and the problems of fast hammer replacement and no maintenance of a mechanism.

Description

Technical field: [0001] The invention mainly relates to a tank body feeding and discharging device for materials that are prone to crusting, in particular to a shelling device for an electrolytic cell. Background technique: [0002] At present, in the production of aluminum electrolysis, alumina is added densely and in small amounts to the electrolytic cell through a quantitative feeder, and the alumina whose weight is determined by the process parameters is added to multiple feed holes within a specified time interval. However, since there is a layer of hard electrolyte crust on the surface of the molten electrolyte in the electrolytic tank, it must be broken by the shell breaking device of the electrolytic tank before feeding to form a feeding port. [0003] At present, in the electrolytic cell shelling device used in the electrolytic aluminum production industry, during the shelling process, the lower surface of the hammer head will adhere to the electrolyte liquid, solid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C3/14
Inventor 许磊
Owner 许磊
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