Control of the 95 point for diesel during minor blowing in coking
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During low-blowing of coker diesel, due to the large volume of gas and high temperature, what is the difference between the extraction temperature of the diesel at point 95 under control conditions and its normal temperature? What are the specific rules for reducing the diesel extraction temperature (based on what), and by how much is it appropriate to reduce it? I would like to ask the teachers to explain it to me. Thank you
After cutting off the gas supply, a small amount of gas is supplied to the new tower; as a result, the temperature in that tower rises. The gas flow rate into the old tower increases, which leads to a decrease in the total heat amount inside the towers. Therefore, the overall heat taken in by the towers decreases, and usually this results in a drop in the temperature of the diesel. How much to press down depends on the rate of temperature rise in the new tower and the amount of steam supplied
How much less? Is there a pattern, sir?
Reduce the vapor phase temperature in the diesel collection tank and increase the diesel extraction temperature