Method for eliminating positive pressure of baking furnace of color coating unit

A baking furnace and unit technology, which is applied to the surface coating liquid device, coating, pretreatment surface, etc., can solve the problem of serious smoke emission, smoke exhaust, non-discovered color coating baking furnace atmosphere positive pressure method, etc. problem, to achieve the effect of improving process and quality stability guarantee

Inactive Publication Date: 2020-02-07
武汉钢铁有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the actual production process of the commonly used cold-rolled color-coated steel sheet production units, there is positive pressure at the outlet of the baking furnace, serious smoke, and smoke exhaust.
[0004] And so far, there is no effective solution

Method used

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  • Method for eliminating positive pressure of baking furnace of color coating unit
  • Method for eliminating positive pressure of baking furnace of color coating unit
  • Method for eliminating positive pressure of baking furnace of color coating unit

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[0030] The present invention will be further described below in conjunction with the drawings and specific embodiments.

[0031] In order for those skilled in the art to fully understand the technical solution of the present application, firstly, the color coated steel plate production unit and production process will be introduced in detail.

[0032] As attached figure 1 As shown, the color coated steel plate production unit, that is, the color coating unit, includes the uncoiler 1, the sewing machine 2, the inlet looper 3, the cleaning section 4, the preliminary coating machine 5, the preliminary coating baking furnace 6, and Fine coating machine 7, fine coating baking furnace 8, exit looper 9, exit shear 10, coiler 11. The conventional process flow is attached figure 2 Shown.

[0033] Among them, the production process is as follows: the incinerator uses coke oven gas to burn to generate heat, and the hot air produced is heated by the heat exchanger to the primary and fine coati...

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Abstract

The invention discloses a method for eliminating positive pressure of a baking furnace of a color coating unit. The method comprises the steps that a smoke discharge pipeline is additionally mounted on an outlet of the baking furnace; automatic gate board devices are arranged on an inlet and the outlet of the baking furnace; the exhaust capacity of a waste discharge fan behind a main exhaust fan and a heat exchanger is improved; and the air supply quantity and the exhaust quantity of the baking furnace are set. Through the above technical scheme, the problem about positive pressure of air in the color coating baking furnace can be effectively solved, and therefore the process and quality stability of production of the color coating unit is improved, and production safety is guaranteed.

Description

technical field [0001] The invention relates to a method for eliminating the positive pressure of a baking furnace of a color coating unit, and belongs to the technical field of steel color coating. 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, house structures, high-rise curtain walls, etc. have begun to use color-coated products directly on a large scale. Since this product can be formed at one time, it has brought Color coating does not require chemical anti-corrosion treatment, spraying and other processes, and can completely discharge VOC exhaust gas and heavy metal-containing wastewater ...

Claims

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Application Information

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IPC IPC(8): B05D3/02
CPCB05D3/0272
Inventor 周小舟任玉苓刘星蔡飞龙胡松白会平
Owner 武汉钢铁有限公司
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