Through to introduce equipments of vertical shaft the cautery ,compendiary introduce insufficiency of electricity-arc spray-paint to prevent cauterization.

• 通过对竖井井筒装备的腐蚀情况和电弧喷涂长效防腐技术不足的了解,建议采用玻璃钢复合材料井筒装备来解决井筒装备的腐蚀问题。