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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:汽化蒸汽裂化过程中通过热交换与饲料交换从汽液分离器冷却液体瓶的过程和装置
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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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