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A production method and production line of hot-dip galvanized strip steel

A production method and hot-dip aluminum technology, applied in hot-dip plating process, metal material coating process, coating and other directions, can solve the problems of deviation, strip steel substrate fracture, destruction of production continuity, etc., to prevent deformation even breaking effect

Active Publication Date: 2016-11-16
PANGANG GRP PANZHIHUA STEEL & VANADIUM
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Problems solved by technology

The hot-dip galvanized steel strip of this specification has the problem of easy deviation in the annealing furnace during the production process. The deviation of the strip base material causes friction between it and the furnace wall of the annealing furnace, which makes the strip base material deformed and damaged. Damage to the furnace wall of the annealing furnace, and may cause breakage of the strip substrate, disrupting the continuity of production

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  • A production method and production line of hot-dip galvanized strip steel
  • A production method and production line of hot-dip galvanized strip steel

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Embodiment Construction

[0043] Specific embodiments of the present invention will be described in detail below. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0044] The invention provides a production method of hot-dip aluminum-zinc steel strip, the method comprises using an annealing furnace to anneal the steel strip base material, and performing deviation correction treatment on the strip steel base material in the annealing furnace, and , the method also includes performing speed control processing on the operating speed of the unit, and the speed control processing includes the following steps:

[0045] (a) determine the maximum allowable deviation of the deviation correction frame of the annealing furnace and the width of the strip base material and measure the deviation of the deviation correction frame of the annealing furnace and the deviation of the str...

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Abstract

The invention discloses a hot-dip aluminum and zinc strip steel production method and a hot-dip aluminum and zinc strip steel production line. The hot-dip aluminum and zinc strip steel production method comprises the processes of carrying out annealing treatment on a strip steel substrate by using an annealing furnace, carrying out deviation rectification treatment on the strip steel substrate in the annealing furnace, and carrying out speed control treatment on the running speed of a set. The above speed control treatment process comprises the following steps: (a) determining the maximum allowed deviation of a deviation rectification framework of the annealing furnace and the width of the strip steel substrate, and measuring deviation of the deviation rectification framework and the deviation of the strip steel substrate; (b) determining a suitable deviation line speed according to the maximum allowed deviation of the deviation rectification framework, the width of the strip steel substrate, the deviation of the deviation rectification framework and the deviation of the strip steel substrate; and (c) regulating the motion line speed of the strip steel substrate to the suitable deviation line speed in order to make the strip steel substrate return to a normal position.

Description

technical field [0001] The invention relates to the field of steel rolling, in particular to a production method and production line of hot-dip galvanized strip steel. Background technique [0002] With the development of industry, the demand for hot-dip galvanized strip steel with a width of 900-950mm is increasing day by day. The hot-dip galvanized steel strip of this specification has the problem of easy deviation in the annealing furnace during the production process. The deviation of the strip base material causes friction between it and the furnace wall of the annealing furnace, which makes the strip base material deformed and damaged. Damage the furnace wall of the annealing furnace, and may cause the fracture of the strip substrate, disrupting the continuity of production. Contents of the invention [0003] The object of the present invention is to provide a production method and production line of hot-dip galvanized steel strip. [0004] The invention provides a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C2/40
Inventor 谭勇唐定术向安平
Owner PANGANG GRP PANZHIHUA STEEL & VANADIUM
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