Both domestic and foreign experiences show that during the long term operation, lots of encircle cracks occur in the welding which connect the tower body and the skirt, which to the serious extent even caused the whole tower body split away from the skirt.
国内外的运行经验都表明:在长期的生产过程中,塔体与裙座连接焊缝将产生大量的环向裂纹,严重的曾造成塔体整圈脱落。
Selection of skirt material and anchor bolt material in tower design
塔器设计中裙座及地脚螺栓材料选用
The coke tower has been designed according to the requirements of fatigue vessel and measures to prevent the welding seam between skirt and external vessel from cracking and base screw bolt from loosening have been adopted.
按疲劳容器的要求设计该塔,采取措施防止裙座与筒体焊缝处出现裂纹和塔底座螺栓松动。
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