Technical innovation of catalytk cracking unit and reducing olefin in Qingyang petrochemical company

Qingyang Petrochemical Branch Company adopted auxiliary lifting pipe reducing olefin in gasoline technology to make technical innovation on catalytic cracking unit and increased unit production capability from 30×104 t/a to 65×104 t/a, gasoline research octane number is 90. 2, average catalyzer consumption is 1. 4 kg/t, and gasoline olefin hydrocarbon content decreased under 35v%. Comparing the unit before innovation, light oil average collection is 70. 6%, which increased 15%, diesel and gas increased from 0. 8 to 0. 96, comprehensive energy consumption decreased form 130. 7 kg to 79. 6 kg per ton.