Spray anti-corrosion on the old mixer (urgent)
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Our company has over 10 mixers, with a diameter of 2 meters, a straight section height of approximately 5 meters, and a conical bottom section height of 1.7 meters. The inner wall is made of Q245R material with a thickness of 18 mm, while the outer side features Q235B heating and cooling jackets； Internal anti-corrosion treatment is required; the medium inside the mixer consists of toluene, xylene, and trimethylbenzene derivatives. The maximum operating temperature is around 150°C, while the minimum temperature is the outdoor temperature (the local minimum temperature is approximately -15°C) ； I require a corrosion resistance lifespan of 10 years or more. Those who are confident in their ability to meet this requirement are asked to get in touch with me as soon as possible. My contact information can be found in my profile, or you can send me a private message. Thank you
What is anti-corrosion inside the mixer? Is it anti-corrosion for a reaction vessel with a jacket and stirrer?
It involves applying Teflon anti-corrosion coating; the medium used is quite complex, and the reaction temperature is very high. I’m not sure what the pressure is – is it below 4 kilograms? According to the analysis: To produce Teflon PFA, DuPont’s tetrafluoroethylene and perfluoropropylene polymers are required as raw materials. You can contact me.
This post was last edited by Wang Genrong on 2015-10-11 at 13:23. Our company has worked with a firm in Shanghai on similar coating projects; feel free to contact me if you need any assistance.
What construction method is used for lining with the PTFE material you recommend? Powder coating? Is high-temperature sintering required?
It is for anti-corrosion in a reaction vessel with a jacket and stirrer, used at atmospheric pressure
Our company has carried out similar anti-corrosion treatments on equipment for several pharmaceutical companies. The process media include chlorosulfonic acid, sodium chloride, hydrogen chloride, iron powder, water, and so on. Graphite plates lining the reactors are used for anti-corrosion purposes, and this approach has been in use for over 6 years with good results.
This post was last edited by Wang Genrong on 2015-10-12 at 15:28. PTFE spraying requires sintering at 380 degrees, while PTFE lining simply involves applying a sheet and does not require sintering.
For applications like yours where the internal corrosion resistance is sufficient, F46 lining is a suitable choice. I have designed and installed several lining systems for several pharmaceutical and chemical factories in Anhui and Zhejiang; the operating temperature in those systems is around 180°, and they have been in use for nearly 8 years without any problems so far. We are confident in our ability to provide such linings. Feel free to contact me if you need anything, and I’m also available to discuss technical issues at any time
This is very simple; there are many ways to solve it, and we can discuss the details further. Where are you from?
What’s your contact number? My QQ is 358773910 and my phone number is 13889505498.