The invention provides a special-structure boiler drum hoisting method, which belongs to the technical field of boiler drum hoisting, and comprises the following steps: firstly, installing and hoisting a temporary support frame, a drum sliding platform, a vertical hoisting tackle and a lateral traction hoisting tackle; the steam drum is transported to a hoisting area to be unloaded through a tower crane and a hoisting tackle in the vertical direction, trial hoisting is conducted after scribing is completed, the steam drum is horizontally, vertically and stably lifted after it is checked that no abnormal condition exists on all stress parts, and lifting is stopped after the bottom face of a front end support of the steam drum reaches the + 64.340 elevation; a front-end support of the steam drum is placed on a cantilever slideway outside the boiler; the hoisting point of the hoisting tackle in the vertical direction is dismantled, and the hoisting tackle is laterally pulled to pull the steam drum into the boiler through the steam drum sliding platform; and after the support at the rear end of the steam drum is placed on the cantilever slide way outside the boiler, the tower crane hoisting point is dismantled, the hoisting tackle is laterally pulled to pull the steam drum to the steam drum in-place position, the steam drum sliding platform and the hoisting machine tool are dismantled after the three sets of U-shaped hoisting rods are installed, and steam drum hoisting is completed.
本发明提供一种特殊结构锅炉汽包吊装方法,属于锅炉汽包吊装技术领域,包括以下步骤:先安装吊装临时支撑架、汽包滑移平台、垂直方向起重滑车和侧向牵拉起重滑车;将汽包运输至吊装区域通过塔吊和垂直方向起重滑车卸车,完成划线后试吊,检查各受力部位无异常情况后将汽包水平垂直平稳提升,汽包的前端支座底面到达+64.340标高后停止提升;将汽包的前端支座搁置在锅炉外部悬臂滑道上;拆除垂直方向起重滑车吊点,侧向牵拉起重滑车将汽包通过汽包滑移平台上拉进锅炉内;当汽包的后端支座搁置于锅炉外部悬臂滑道上后,拆除塔吊吊点,侧向牵拉起重滑车将汽包拉至汽包就位位置,安装三组U型吊杆后将汽包滑移平台及吊装机具进行拆除,完成汽包吊装。
Hoisting method for boiler drum with special structure
一种特殊结构锅炉汽包吊装方法
2023-06-27
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |
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