How atmospheric and vacuum distillation units can increase the open flash point of asphalt
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This post was last edited by linweihua6 on 2011-11-2 at 19:43. We operate a vacuum distillation unit, and recently the flash point of the asphalt has been unstable, staying below 260. There is steam injection at the bottom of the tower, but the effect is not very significant. I would like to ask the experts here how to increase the open flash point of the asphalt. Thank you; it’s urgent
What’s the vacuum level? Secondly, ensure proper extraction from the atmospheric tower ； The distillate rises upward; I’m not aware of your process, so I can’t give specific details. In short, compare the parameter changes and product distribution, and analyze them.
The light components in the atmospheric pressure section are completely removed, while in the reduced-pressure section the temperature at the furnace outlet is kept within the specified range; the vacuum level is increased as much as possible, so that even when the asphalt is deeply extracted, its flash point remains high.