There are three major processes in lightoiltank truck unloading, namely vacuum pump unloading, submerged pump unloading, and slide pump unloading.
轻油罐车卸槽工艺主要有真空泵卸槽法、潜油泵卸槽法和滑片泵卸槽法。
2
For deficiencies of its structure, the previous breather valve with fire protection is not suitable for installing on lightoil storage tank at cold area.
原使用的轻质油储罐防火呼吸阀，由于结构缺陷，不宜使用于寒冷地区储油罐上。
3
Using inner floating roof tank to store lightoil can decrease the evaporation loss and prevent the environment from polluting.