tank manhole

The related technological problems in changing LPG spherical tank to natural gas spherical tank, including check of strength and rigidity, test of spherical tank, reform of connector and manhole, calculation of design life are analyzed.

分析了LPG球罐改造成天然气球罐的有关技术问题：强度和刚度的复核、球罐检验、接管和人孔的改造、设计寿命计算。

The air tank includes the body, safety valve, blow-off valve, pressure meter and manhole, etc.

储气罐包括本体, 安全阀, 排污阀, 压力表,人孔等.

The Anti-distortion Fixture Used in Erection Welding of Separated Pole Shell with Lug Flange of Manhole of Spherical Tank

分片的球罐极板与人孔凸缘组焊防变形夹具

Cleaning items: high-rise buildings, building, plant wall repair, cleaning, painting, wall washing, large water tank cleaning, manhole cleaning.

清洗项目：高楼、大厦、厂房的外墙修补、清洗、涂装、外墙清洗、大型污水池清洗、沙井清洗等。

Put a manhole cover on the tank top for removing filters and strainer.

在油箱顶部设置检修孔,以拆卸过滤器和滤清器.