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Control manner null of the heat treat furnace and its operation manner and heat treatment of the continual paint line which does the both sides paint and single sided paint of the strip
Control manner null of the heat treat furnace and its operation manner and heat treatment of the continual paint line which does the both sides paint and single sided paint of the strip
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机译：带钢双面涂和单面涂漆的连续式涂装线的热处理炉控制方式及操作方式和热处理
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摘要
PURPOSE:To drastically reduce the power for a fan in a continuous coating line for coating both sides and one side by supporting the surface not to be coated with an in-furnace roll when one side is coated, and reducing the distance between a strip and a nozzle. CONSTITUTION:Devices 2 and 5 for respectively coating the front and rear of a strip 1 and an inlet-side bearing roll 4 are arranged on the inlet side and an outlet-side bearing roll 14 on the outlet side. The upper and lower nozzle chambers 7, 8, 10 and 11 for heat-treating a coating film by a fluid injected from a nozzle are provided along the catenary of the suspended strip 1 between the strip rear coating device 5 or the roll 4 and the roll 14. The lower nozzle chambers 8 and 11 are divided into plural sections in their longitudinal direction, a lifting mechanism 12 is provided to each nozzle chamber, an in-furnace roll 13 is furnished to the nozzle chambers 8 and 11, or plural in-furnace rolls 13 having the lifting mechanism 12 are provided along the catenary.
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