Sinopec builds ethylene plant model pyrolysis furnace
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Ethylene plant is a large energy consumer, in which the energy consumption of ethylene cracking furnace accounts for more than 70% of the energy consumption of the entire ethylene plant, which has a significant impact on the economic and technical indicators of the plant. At present, there is a clear gap between domestic ethylene energy consumption levels and foreign advanced levels. In order to achieve the advanced level of similar foreign devices, Sinopec decided to implement the ethylene plant prototype reform project. The model furnace of Yangzi Petrochemical is No. 01 cracking furnace in Ethylene New Area. The cracking furnace is a light oil furnace and the design raw materials are naphtha and light naphtha. Due to the constraints of engineering design, furnace tube material and other conditions, at present, the actual investment amount of the furnace is 90% of the original design capacity, thermal efficiency is only 93%, and the operation cycle is only about 40 days, and the refractories of the radiant section are aged and lose heat. Larger, the original fan used in the original design consumes more energy.
To this end, Sinopec plans to invest 30 million yuan, using a number of advanced energy-saving technologies and energy-saving materials, the model furnace implementation of energy-saving transformation, including frequency control technology, furnace heat transfer enhancement technology, a new type of insulation materials. According to the plan, the naphtha treatment capacity of the model furnace after reform will be greatly improved, the thermal efficiency will reach 95%, and the operation cycle will reach 80 days or more.
