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Process and Apparatus for Cooling Liquid Bottoms from Vapor-Liquid Separator by Heat Exchange with Feedstock During Steam Cracking of Hydrocarbon Feedstocks
Process and Apparatus for Cooling Liquid Bottoms from Vapor-Liquid Separator by Heat Exchange with Feedstock During Steam Cracking of Hydrocarbon Feedstocks
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机译:在烃原料的蒸汽裂化过程中通过与原料进行热交换来冷却汽液分离器的液体塔底的方法和设备
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摘要
A process and apparatus for cracking liquid hydrocarbon feedstocks utilizes a vapor-liquid separator to treat heated vapor-liquid mixtures to provide an overhead of reduced residue content. Hot liquid bottoms from the separator are heat exchanged with cool hydrocarbon feedstocks for cracking to provide cooled liquid bottoms and preheated feedstock. At least a portion of the preheated feedstock is directed to a convection section of a pyrolysis furnace for additional heating and subsequent cracking.
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