燃煤锅炉刮板式捞渣机内导轮在线更换方法

The Method of Inside Guide Wheel Replacement Online in Coal Boiler Slag Conveyor

江苏新海发电有限公司1号机组捞渣机尾部西侧内导轮运行中脱落,专业人员研究决定降低机组负荷,隔离部分渣船水封在线更换内导轮总成,不得已时短时破坏炉底水封进行处理。为了确保抢修过程中人身和设备的安全,经过前期充分计划与准备,制定了运行、检修技术方案,实施过程中运行参数控制良好,抢修工作顺利完成,为其他采用同类排渣方式的燃煤锅炉制定抢修方案提供了参考。

With the problem of inside guide wheel falling-off from west side of tail-end of the running slag conveyor in No.1unit of Xinhai power generation company, professionals decided to reduce the load and isolate part of the boiler bottom seal to replace the inside guide wheel online. In a pinch, short-time destroying the boiler bottom seal counld be performed. To ensure the safety of staffs and devices, the scheme of operation and inspection was carried out with preliminary adequate planning and preparation. With the well-controlling of operation parameters, the implementation process would be achieved, which could be serve as references for the repair scheme establishment of coal-fires boiler with similar slagging type.