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发明公开
CN108787264A 一种焊接钢管内熔接环氧涂层防腐生产线及防腐工艺 无效 - 驳回

一种焊接钢管内熔接环氧涂层防腐生产线及防腐工艺
摘要：
本发明公开了一种焊接钢管内熔接环氧涂层防腐生产线及防腐工艺，由依次排列的火焰预热炉、内壁抛丸除锈机、管内吹扫装置、中频加热炉、温度检测和报警装置、环氧粉末涂覆及除尘装置、固化缓冷炉；所述防腐工艺是将焊接钢管依次进行预热、抛丸、吹扫、加热、检测、粉末喷涂及回收、固化冷却、成品交库。本发明解决了现有生产线及工艺在钢管内熔接环氧涂层生产中的质量不稳定问题，有效提升了焊接钢管内熔接环氧涂层的质量。
摘要（英）：

The invention discloses a corrosion prevention production line for welding an epoxy coating in a welded steel tube and a corrosion prevention process. The production line comprises a flame preheatingfurnace, an inner wall shot blasting derusting machine, an in-pipe purging device, an intermediate-frequency heating furnace, a temperature detection and warning device, an epoxy powder coating and dust collection device and a curing slow cooling furnace which are arranged in sequence. The corrosion prevention process comprises the steps of preheating, shot blasting, purging, heating, detection, powder spraying and recycling, curing cooling and finished product warehouse storage on welded steel tube. Through the corrosion prevention production line for welding an epoxy coating in a welded steel tube and the corrosion prevention process, the problem that the product is instable during the production process for welding the epoxy coating in the steel tube through an existing production lineand process is solved, and the quality of the epoxy coating welded to the interior of the welded steel pipe is effectively improved.

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