Production operation skills
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This post was last edited by shiwang528 on 2010-12-7 at 20:29. Dear colleagues, most of you are elites in the oil refining industry, possessing rich experience and skilled techniques. We welcome everyone to share their operational experiences (including skills related to plant production control, equipment operation, and accident handling). Sharing one’s experience with others not only helps them avoid mistakes but also allows those skills to be further developed. Giving roses to others leaves a pleasant fragrance in one’s own hands. (This post is a companion to the one titled “Minor device modifications – what’s the effect?”; everyone is welcome to share their thoughts.)
This post was last edited by shiwang528 on 2010-12-5 at 23:11. Why does this post have only viewers and no contributors? So far, 79 people have viewed it, which shows that everyone wants to gain experience, but none of them have shared their own experiences. Why? Is it because the topic I posted is too abstract and hard to express, or because the topic itself is meaningless? Please, any fellow travelers passing by, share your opinion. If you think this post is useful, give it a positive rating and explain your views in the comments ； If you think this post is meaningless, please give it a negative rating and explain your opinion in the reason. In this way, I will decide whether to delete the post based on everyone’s opinions. Welcome everyone to share your views; thank you! :handshake
Reply to 2# shiwang528: Support the original poster; please do not delete this post. I believe someone will share their valuable experience to guide beginners. We truly hope that our seniors can offer some guidance to us juniors, so that we can avoid making unnecessary mistakes. We believe this is also the purpose behind the creation of the Haichuan Chemicals Forum. We earnestly ask for your advice: handshake
This post is very meaningful; I think it’s just that experiences and practical skills are not easy to describe, and it’s also difficult to determine what constitutes the right way of doing things. Perhaps for this reason no one has replied. It would be better if there were separate units or someone to take the lead in the discussions.
One reason why I think some experiences and operational skills are not easy to describe is that there are various problems encountered in actual production, and it is necessary to focus on the key aspects, such as energy conservation and cost reduction.
It’s not specific enough; a targeted response cannot be given.
I feel that everyone has their own style of operation. . . There is no best, only better. . . Experience is the most important. . . It’s best to combine theory with practice; one should not only understand theory but also know how to apply it in practice. I have a colleague whose theories are excellent {I really admire his theories}, but he has no ability at all to handle accidents. . . And also being bold yet careful. I think those who are bold and have real skills are the best. . . Timid people always think that everything they do is barbaric. . .
For example, what are some good methods for adjusting the acid value when refined kerosene does not meet the standards? What other factors could possibly affect the acid value?
General operating principles for DCS control valves: 1. Change the control valve from manual to automatic mode smoothly. And switch to automatic mode only after the parameters and valve opening have been stabilized manually, in order to avoid fluctuations caused by large adjustments. 2. Switch the control valve from automatic to manual quickly. Most cases of unstable automatic operation in control valves are due to problems (either with the valve itself or the system), and prompt and decisive action is required. 3. Regulation should serve as a link between the previous and subsequent elements. In other words, when performing operations, it is necessary to pay attention to the impact on upstream and downstream systems and devices; when adjusting a parameter, one must consider the effects and changes in other related parameters. Moreover, to determine whether changes in this parameter are caused by changes in other parameters, it is absolutely not sufficient to focus on just one parameter as a basis for adjustment; rather, other parameters should also be taken into consideration when making adjustments. 4. Make the adjustments in small increments and carry them out frequently. Only in this way can it become more and more stable; the end result is less need for adjustment and stable parameters. Moreover, even if the adjustment is incorrect, there is time to correct it due to the small magnitude, so no accidents will occur. 5. Remember the valve opening degrees well. This is actually very important as it provides a basis for making judgments and taking actions in the event of valve failures or accidents. 6. The switching to the bypass line for the control valve should be quick, while the switching from the bypass line to the control valve should be steady. 7 Switch pump, valve manual. When switching pumps, the pump outlet control valve is manually set to a fixed position; once the flow rate at the pump outlet is stable on site, the control valve is then adjusted to bring the parameters back to normal. Otherwise, it is very likely to cause difficulties in cutting the pump and damage the equipment. 8 In an accident condition, the valve is operated manually. In the event of an accident, quickly connect to the relevant control valve and operate it manually depending on the situation.