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2017-08-29View Original

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Reply #22017-08-29
pollo
Reply #32017-08-29
本帖最后由 龙飞虎11 于 2017-8-29 17:17 编辑 是4X60孔JNX3-70-2型复热式焦炉,目前在生产中,才投产不到两年,烘炉时间因**原因持续了将近十个月,投产后铁件工作只做了上部机侧横拉和纵拉条弹簧调节。铁件抵抗墙垂直度原始数据丢失,目前测量数值为端台机到焦侧分别为:19,73,32,间台机到焦侧分别为-11,0,19
Reply #42017-08-30
顶一个 不错!!!:lol
Reply #52017-09-01
若焦炉管理没问题,土建工程施工质量查一下,看外观混凝土强度不够,施工过程管理不到位。
Reply #62017-09-01
首先问下是端台和间台的抵抗墙上部都向外膨胀吗?从你给的数据来看,端台和间台的垂直度不一致,明显端台的偏大;那么, 1、焦炉纵拉条的弹簧如果没有失效(断裂、或者压缩到极限处于刚性接触状态),拉条没有失效(断裂、过烧变软、变细),那么间台和端台的纵拉条的加压吨位肯定是一致的,赶紧测量是否处在设计值范围内,实际生产时建议将纵拉条的吨位要大于设计规定吨位一点,一般1-2吨即可; 2、从图片看,极有可能是土建抵抗墙失效,需要立即降低生产负荷,对失效抵抗墙进行加固处理; 3、检查失效抵抗墙炉顶砖是否有跑水泡过,造成抵抗墙炉顶部分进水膨胀炸裂; 4、必要时企业可以适当再制作增加纵拉条数量,确保纵向膨胀; 综上,个人认为纵拉条及其弹簧是重点检查对象,失效抵抗墙立即进行加固处理,必要时增加纵拉条数量和条数。
Reply #72017-09-10
炉长超过设计长度50公分就认为报废,维修起来比从建焦炉不差啥

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