Tension control method and system for looper for annealing production line
A tension control and tension controller technology, used in heat treatment process control, manufacturing tools, furnaces, etc., can solve problems such as broken belts and mismatched operating conditions, and achieve the effect of solving broken belts and ensuring long-term smooth operation.
Active Publication Date: 2016-12-21
SHOUGANG JINGTANG IRON & STEEL CO LTD
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Problems solved by technology
[0003] The embodiment of the present invention provides a looper tension control method and control system in an annealing production line, which solves the technical problem of broken strips in the prior art due to the mismatch between the tension between the looper strips and the operating state of the strips on site.
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[0033] In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0034] The annealing production line looper tension control method provided by the embodiment of the present invention can be applied to a vertical annealing production line, such as a 1420 continuous vertical annealing production line, but is not limited to a 1420 continuous vertical annealing production line.
[0035] reference figur...
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Abstract
The present invention discloses a tension control method and system for a looper for an annealing production line. A tension control method for the looper comprises the steps of obtaining a current operating speed of the looper; and determining a tension set value in linear matching with the current operating speed, and sending the determined tension set value to a tension controller such that the tension controller controls the tension between the looper and strip steel based on the tension set value in linear matching with the current operating speed. According to the present invention, the technical problem of strip breakage due to mismatching of the tension between the looper and the strip steel with the field operating state of the strip steel in the prior art is solved, and therefore, long-time trouble-free operation of the annealing production line is ensured.
Description
Technical field [0001] The present invention relates to the technical field of annealing, in particular to a looper tension control method and control system of an annealing production line. Background technique [0002] When the 1420 continuous vertical annealing production line is in normal production, the strip thickness is generally between 0.15mm-0.25mm. In the production process, the looper speed of the 1420 continuous vertical annealing line is not constant, but is constantly changing according to the specifications and steel grades of the strip produced, but the looper tension controls the thin-gauge strip steel When the looper is running at medium and low speeds, setting the tension between the looper and the strip will cause the strip to wrinkle and break the belt; when the strip is running at the looper at a high speed, setting the strip tension to small will cause the strip and the drive roller Insufficient friction and serious slippage of the strip and rollers will ...
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IPC IPC(8): C21D9/56C21D11/00C21D1/26
CPCC21D1/26C21D9/564
Inventor 周玉锋管红永王晓广邬琼
Owner SHOUGANG JINGTANG IRON & STEEL CO LTD