oil drain tank

Drain line: the hydraulic components leaked oil into the return pipe or tank.

泄油管路：将液压元件泄露的油液导入回油管或油箱。

The emergency drainage device is an important device in floating roof tank, used to drain the overloaded water accumulated on the floating roof to ensure a safety for oil tank.

浮顶油罐紧急排水装置是浮顶油罐上的一个重要的附件，其主要作用是排出浮顶上的超载积水，保证油罐浮顶的使用安全。

The method using movable metal baffle and control valve near water sealed well to block the drain of oil tank group is unreliable and it will widen flowing fire area.

用活动金属挡板及水封井附加控制阀门封闭油罐组排水沟的方法既不可靠又会使流淌火面积扩大。