tower bottom

The crude oil is fed through a furnace into the bottom of the tower.

原油通过一溶炉输入高塔的底部。

The temperature at oil inlet at the bottom of the fractionating tower in one catalyzing cracking workshop was increased from original designed value 480 ℃ to 525 ℃, therefore, the safety of the equipment when operating at over-temperature need to be analyzed.

某炼油厂催化裂化车间分馏塔下部油气入口温度由原设计的480℃提高到525℃，因此需对其超温运行的安全性进行分析。

Application of bellows mechanical seal in series in the pump at the decompression tower bottom

串联式波纹管机械密封在减底泵上的应用

The optimal conditions of adsorption were obtained when theoretical plate number was equal to 7, the tower top temperature 47.8 ℃, the bottom temperature 51.8 ℃ and the scrubbing liquid was raw methanol ( 8mol/ h).

吸收塔理论塔板数7，塔顶温度为47.8℃，塔釜温度为51.8℃，洗涤液为原料甲醇（8mol/hr）；

Through the reaction distillation process, EG could be got at the bottom of reaction distillation tower with the purity above 90%.

对分离过程进行模拟优化，通过反应精馏过程的设计和实验，可连续在塔底得到纯度为90%以上的乙二醇。

The composition profiles tend to pinch towards the feed when feed at the middle of the tower and tend to pinch towards the top end when feed at the bottom end. grade.

塔中部进料，进料级附近出现夹紧点，而塔底部进料时，塔上部出现夹紧点。

Entrance Pipeline Design Discussion of Hot Oil Pump in Tower Bottom

塔底热油泵入口管道设计探讨