Installation of dry gas holder piston

Fabrication and installation construction method of gas holder
1. Prefabrication of gas holder
The wall plates, platforms, side rings on the top of the cover and the hanging rings, bottom rings, upper and lower seals of the movable tower sections are one of the key parts of the gas tank manufacturing and installation process. Their prefabrication quality standards are high, and each construction process is subject to special inspection,
2. Gas holder installation and construction method
The assembly of the bell cover, middle section and water tank wall of the low pressure wet gasometer can be divided into reverse installation method and front installation method.
(1) The inverted installation method is to install the bell jar section by section outward, and finally assemble the sink wall.
(2) The positive installation method is to start from the assembly and welding of the water tank wall and install it section by section to the inside, and finally assemble the bell cover and middle section.