Method for setting temperature of color-coated sheet heating furnace
A setting method and color-coated board technology are applied in the determination of the furnace temperature of the color-coated board curing furnace and the furnace temperature of the color-coated board heating furnace. Problems such as unqualified surface quality of color-coated products can achieve the effect of ensuring surface quality, saving consumption and simple operation
Active Publication Date: 2019-10-11
武汉钢铁有限公司
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- Application Information
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Problems solved by technology
Therefore, it is necessary to consume a lot of test coils and test time to determine the hot air temperature of the heating furnace. Once the test coils are insufficient, it may lead to the inability to accurately set the appropriate furnace temperature, and eventually cause the surface quality of the color-coated product to be unqualified
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[0027] The preparation process of the color-coated board designed by the present invention includes: raw material→rolling→sewing→looper→alkali washing→water washing→composite oxidation→water washing→water washing→water washing→chemical treatment→hot air drying→primary coating→hot air drying→water cooling →finish coating→hot air drying→hot film→water cooling→stretching and straightening→looper→surface inspection→printing code→cold film→slitting and cutting→coiling→weighing→packing;
[0028] After the transformation of the baking and heating furnace of C109 cold rolling unit of Wuhan Iron and Steel Co., Ltd. in April, the furnace temperature of all specifications of strip steel at different speeds needs to be re-calibrated.
[0029] In order to better explain the present invention, the main content of the present invention is further clarified below in conjunction with specific examples, but the content of the present invention is not limited to the following examples.
[0030] ...
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Abstract
The invention discloses a method for setting the temperature of a color-coated sheet heating furnace, and belongs to the technical field of steel color coating. The method comprises the steps that temperature measuring paper is adopted for measuring the plate temperature of strip steel of different specifications at different process speeds, a reasonable furnace temperature value is explored, thefurnace temperature value, the strip steel thickness and the process speeds are placed in Minitab software for unary linear simulation regression, and the following calculation formula is obtained: furnace temperature=constant+coefficient*thickness*process speed. According to the method, the heating curve of the color coating unit is obtained through statistical analysis, the furnace temperature set value under a certain process condition can be obtained on the premise that temperature measuring paper does not need to be adopted for repeated measurement and calculation according to the heatingcurve, the accuracy of the furnace temperature set value is high, and the surface quality of color coating products can be guaranteed.
Description
technical field [0001] The invention relates to a method for determining the furnace temperature of a color-coated plate curing furnace, and belongs to the technical field of steel color coating, in particular to a method for setting the furnace temperature of a color-coated plate heating furnace. Background technique [0002] As a new type of material that is environmentally friendly, energy-saving and easy to process and shape, color-coated board has been widely used in construction, home appliances, decoration and other fields. With the continuous improvement of customers' requirements for the use and quality of color-coated products, the application of products is becoming more and more extensive. Light-steel buildings, housing structures, high-rise curtain walls, etc. have begun to use color-coated products directly on a large scale. Color coating does not require chemical anti-corrosion treatment, spraying and other processes, and can completely discharge VOC exhaust g...
Claims
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IPC IPC(8): G06F17/50
CPCG06F30/20
Inventor 周小舟任玉苓刘星蔡飞龙张广政
Owner 武汉钢铁有限公司