Continuous casting machine crystallizer cooling water automatic control system and its control method
A crystallizer and cooling water technology, which is applied to the automatic control system of the mold cooling water of the continuous casting machine and its control field, can solve the problems of insufficient thickness of the slab shell, uneven formation of the slab shell, and inapplicability, etc., to overcome Influence of slab quality and casting safety, effect of saving influence
Active Publication Date: 2015-09-16
INNER MONGOLIA BAOTOU STEEL UNION
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Problems solved by technology
[0006] However, this model has obvious defects: it can only be used normally when the casting process is stable, and it cannot be applied when the site environment or process factors change
If the casting is still carried out according to the given amount of cooling water calculated by the model, the slab shell in the mold will be unevenly formed or even the thickness of the slab shell will be insufficient, which will affect the quality of the slab and even induce breakout
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[0039]Aiming at the problem of the influence of crystallizer thermal conductivity fluctuations on crystallizer cooling water allocation, the present invention develops an automatic control system and control method for continuous casting machine crystallizer cooling water, aiming at eliminating the impact on casting safety when the crystallizer thermal conductivity changes and the influence of billet quality.
[0040] The automatic control system and control method for mold cooling water of a continuous casting machine provided by the present invention is a crystallizer cooling water control device based on mold heat flow, slab steel type and slab section.
[0041] Such as image 3 The above is the working flow chart of the model control system in the present invention. The automatic control system for the cooling water of the continuous casting machine crystallizer provided by the present invention improves the model control system in the prior art, adds an inlet water tempe...
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The invention discloses an automatic control system and a control method for cooling water of the crystallizer for a novel continuous casting machine. The invention adopts the scheme that the heat flow value of the crystallizer is calculated through a water inlet temperature detector and a water return temperature detector on the crystallizer, definite flow of cooling water of the crystallizer is corrected as per the heat flow value, and influence to the slab quality and casting safety when heat-conducting property of the crystallizer is changed is removed by changing water allocation amount of cooling water.
Description
technical field [0001] The invention relates to an automatic control technology of a continuous casting machine, in particular to an automatic control system and a control method for the cooling water of a mold of a continuous casting machine. Background technique [0002] In the continuous casting machine production in the metallurgical industry, the mold is one of the most critical equipment, and the mold cooling water control system is one of the important factors for the efficient and stable production of the continuous casting machine. How to work efficiently, stably and with high quality for the continuous casting machine is a problem that people have been focusing on. Improper cooling strength of the mold cooling water will affect the surface quality of the slab and even cause serious accidents of steel breakout. Therefore, a reliable mold cooling water distribution model is established. , the application of advanced water distribution strategy is the key to improve t...
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IPC IPC(8): B22D11/22
Inventor 韩基伟杨文玉李台龙丁晓志
Owner INNER MONGOLIA BAOTOU STEEL UNION