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Steel (iron) water slag-removing method

A technology of molten iron and molten steel, applied in mechanical cleaning, manufacturing tools, metal processing equipment, etc., can solve the problems of increasing production costs, reducing production efficiency, time-consuming and labor-intensive, etc., and achieves the effects of saving paint, easy cleaning, and flexible layout

Active Publication Date: 2008-01-30
YANTAI SHENGLIDA ENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main defect of this method is that the slag attached to the slag rake falls into the coating pool during the cooling and hanging coating process. On the one hand, it takes time and effort to clean up, and on the other hand, it causes waste of paint, which not only increases production costs, but also reduces production efficiency.

Method used

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  • Steel (iron) water slag-removing method
  • Steel (iron) water slag-removing method
  • Steel (iron) water slag-removing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] As shown in Figure 1, firstly, make the slag removing machine 1 be at the slag removing position, that is, the slag rake 4 is located at the molten steel or molten iron bag position 8, and implement the slag rake rotation to remove slag; Back to the slag unloading station, that is, the slag rake 4 is located at the slag hopper position 7, and the slag is unloaded; the above two steps are carried out alternately.

[0019] After a ladle of molten steel or molten iron is slag removed, the slag rake 4 is rotated with the cantilever 3 to the water-cooling dip-coating station 6-1, and the water-cooling or dip-coating or water-cooling+dip-coating operation of the slag rake 4 is implemented. Wherein, the water cooling is carried out in the cooling pool 15, and the dip coating is carried out in the coating pool 13.

Embodiment 2

[0021] As shown in Figure 2, firstly, make the slag removing machine 1 be at the slag removing position, that is, the slag rake 4 is located at the molten steel or molten iron bag position 8, and implement the slag rake rotation to remove slag; Rotate to the slag unloading station, that is, the slag rake 4 is located at the slag hopper position 7, and the slag is unloaded; the above two steps are carried out alternately.

[0022] After a ladle of molten steel or molten iron is slag removed, the slag rake 4 is rotated with the cantilever 3 to the water-cooling dip-coating station 6-1, and the water-cooling or dip-coating or water-cooling+dip-coating operation of the slag rake 4 is implemented. Wherein, the water cooling is carried out in the cooling pool 15, and the dip coating is carried out in the coating pool 13.

Embodiment 3

[0024] As shown in Figure 3, firstly, make the slag removing machine 1 in the slag removing position, that is, the slag rake 4 is located at the molten steel or molten iron ladle position 8, and implement the slag rake rotation to remove slag; Back to the slag unloading station, that is, the slag rake 4 is located at the slag hopper position 7, and the slag is unloaded; the above two steps are carried out alternately.

[0025] After a ladle of molten steel or molten iron is slag removed, the slag rake 4 is rotated with the cantilever 3 to the dip coating station 6-2, and the slag rake 4 is dip-coated in the coating pool 13.

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Abstract

The invention relates to a method for gaining slag in liquid steel (iron), which comprises: first arranging slag catcher at the working position, rotating slag harrow to catch slag; then folding the slag harrow and moving it back with suspending arm or rotating it to discharging position; when completing catching slag, moving slag harrow back with suspending arm or rotating it to the water-cool dipping position, to cool it with water or / and plating. With said invention, the slag harrow has long service life, lower adhered slag on it, short operation time and high efficiency.

Description

technical field [0001] The invention relates to a process method for removing slag from molten steel or molten iron in the field of metallurgical industry. Background technique [0002] The Chinese patent No. 200310121101.6 "A method for efficiently removing slag from molten iron and its special device" has invented a slag rake rotary type slag removal method and its special equipment. Compared with the traditional reciprocating slag removal method, this technology significantly reduces the iron loss, and greatly improves the slag removal rate and production efficiency. This patent only discloses the method of raising, lowering and rotating the slag rake to contain and release the slag rake, but does not involve the water cooling, hanging coating, slag cleaning and replacement process steps of the slag rake. Therefore, its complete and standardized method of use cannot be known from the patent disclosure specification. [0003] On the other hand, since the slag rake of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D43/00
Inventor 盛富春
Owner YANTAI SHENGLIDA ENG TECH
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