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Leveling machine, black strip acid-free derusting device using the same and method thereof

A technology of hot-rolled strip steel and tempering mills, applied in the field of tempering mills, can solve the problems of ineffective removal of iron scale, poor cleaning quality, and low service life, so as to increase the price and utilization rate, increase the service life, and reduce the The effect of production costs

Inactive Publication Date: 2007-05-16
武钢集团有限公司
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AI Technical Summary

Problems solved by technology

[0006] In view of the drawbacks of the existing tempering machine that cannot effectively remove the iron oxide scale attached to it, the present invention provides a skin tempering machine, which can effectively solve the problem that the iron oxide scale adheres to the roll of the tempering machine
[0007] Aiming at the problems of poor cleaning quality and low service life in current acid-free derusting devices, the present invention provides an acid-free derusting device, which can greatly improve the service life and scrubbing effect of iron brushes

Method used

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  • Leveling machine, black strip acid-free derusting device using the same and method thereof

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with the accompanying drawings.

[0032] With reference to Fig. 1, a kind of tempering machine mainly comprises frame 12, leveling lower roll 13, leveling and pressing down roll 14, is fixed with roll wiper 15 on frame 12, the end of described roll wiper 15 and The leveling lower roll 13 and the leveling pressing roll 14 are in contact. The roll wiper 15 can remove the iron oxide scale attached to the surface of the roll during the rotation process, so as to avoid the iron oxide scale from being pressed into the strip again, thus reducing the difficulty of later removal.

[0033] It should be understood that the roll wiper 15 is not limited to being fixed on the frame 12, because it can be arranged at any convenient position as required during actual use, as long as its end can be in contact with the roll to realize scraping The purpose can be, so all should be within the scope of protection of the pr...

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Abstract

The invention relates to a flattener, relative thermal rolling band steel non-acid scaling device and method, wherein said flattener comprises a roller cleaner (15) whose end contacts the lower roller and compression lower roller (14); the cleaner (15) can clean the ferric oxide in each rotation of roller, to improve work efficiency. And the scaling device comprises emulsion feeder (1), flattener (2), high-pressure water injector (3), iron brush (4), washing drier (5), and coiling machine (6). The invention can improve the service life and effect of iron brush. And the method comprises that adjusting the injected amount of emulsion to adjust the scaling quality and save cost.

Description

technical field [0001] The invention relates to a temper machine used in the derusting process of hot-rolled strip steel, an acid-free derusting device using the derusting machine and a method for acid-free derusting using the device. Background technique [0002] In order to ensure the surface quality of cold-rolled strip steel, the iron oxide scale on the incoming surface of hot-rolled strip steel must be removed before cold rolling. At present, the main method for iron and steel enterprises and steel processing enterprises to remove scale on the surface of hot-rolled strip steel is to pickle with sulfuric acid or hydrochloric acid, and dissolve the scale through the acid solution to achieve the purpose of rust removal. The rust removal of ordinary steel generally adopts bending peeling and pickling, and the medium used is sulfuric acid or hydrochloric acid; the rust removal of stainless steel generally adopts the method of hydrofluoric acid and nitric acid to dissolve the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C43/04B21B45/06B21B45/08B21B45/02B21B37/00B05B5/00
Inventor 张凤泉黄璞
Owner 武钢集团有限公司
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