HCBBS Forum (Русский)
Submit Chemical Projects / Find Solutions
Amplify Your Requirements on a Broader Chemical Platform *Engineering · Technology · Equipment · Solutions*
Submit Request

["Температурныйый выбор для промывки дизелем при остановке гидроистравления зависит от условий.", "Что такое темлый темурый для промывки дизелем при остановке гиддистиллятора? Некоторые говорят 222

2020-04-06View Original

Thread Content

蜡油加氢裂化装置停工时引柴油冲洗的温度选择依据是什么?有的280℃,有的300℃,有260℃的,求解。 另外,装置停工高压螺栓怎样处置才能拆卸顺利,以前逢停工时,坏了很多螺栓。
Reply #22020-04-07
确保不反应呀,反应之后温度又升高了
Reply #32020-04-07
一般认为加氢裂化中柴油的能反应温度为280-300
Reply #42020-04-10
冲洗是为了保护催化剂,也就是把催化剂上的不好的油冲洗干净,主要是还是看自己的油在那个温度阶段就不裂化了,螺栓涂点二硫化钼吧,不过坏很正常
Reply #52020-04-16
螺栓可以涂一层石墨粉,很好用的
Reply #62021-03-21
尽量低一点,高了会有反应
Reply #72021-03-23
最好还是温度别太高,因柴油主要就是冲洗催化剂,温度稍高点就可能柴油裂化,产生温升。至于你说的螺栓问题,我有以下建议:1.做好螺栓帽保护作用,防止风吹日晒雨淋。2.安装时涂抹防咬合剂。3.停工时,压力低于3.0MPa时,温度不低于150时,可以尝试一下先送一下,再紧住。也就是在有一定热度的情况下松一下。

Submit a Project

**Looking for Chemical Technology, Equipment & Solutions?** No Registration Required Broader Platform Exposure | Global Chemical Service Provider Connections

Submit Request — Free Consultation

Disclaimer

This is an automated machine translation of the original thread. Some technical terms may have inaccuracies; the original text shall prevail. Click "View Original" at the top right to access the source page, which supports IP-based automatic real-time language translation. Please watch out for contact details and sales inducements to prevent fraud. All content and translations are for reference only, representing solely the poster's personal views. For enquiries, email service@hcbbs.com.