选择厨房排烟管的安装位置；然后找好标高，用开孔钻打墙洞，如果需要烟管吊托支架的话就再安装好支架；最后将组装好的排烟管找平、找正，再用紧固螺栓固定。
Firstly, the installation position of kitchen smoke exhaust pipe needs to be selected; Then find the elevation, drill the wall hole with the hole drill, and install the support if the smoke pipe lifting support is required; Finally, level and align the assembled smoke exhaust pipe, and then fix it with fastening bolts.
同时注意，在安装止回阀一定要先拉出排烟管、清理好墙壁后再涂抹硅胶，对准位置矫正将止回阀装入墙洞，紧接着在变径圈內涂抹硅胶，最后插入排烟管、清理多余的硅胶就完成了。
At the same time, note that when installing the check valve, you must first pull out the smoke exhaust pipe, clean the wall, then apply silica gel, align the position, install the check valve into the wall hole, then apply silica gel in the reducing ring, finally insert the smoke exhaust pipe and clean the excess silica gel