Through the analysis of the inter-stage pressure difference and polymers in charge gas compressor of ethylene plant,the problems affecting long-term operation of the charge gas compressor in the No.2 ethylene plant of PetroChina Jilin Petrochemical Company were identified.Hot tapping was carried out for the pipelines of the inter-stage heat exchanger of charge gas compressor,and wash oil injection,dispersant line and nozzles were provided.The inter-stage heat exchanger of the charge gas compressor was cleaned by injecting washing oil and dispersant to reduce the polymers in heat exchanger,reduce the inter-stage pressure difference in charge gas compressor,and prolong the operation cycle of the compressor.
关键词
裂解气压缩机/段间换热器/压差/对策
Key words
charge gas compressor/inter-stage heat exchanger/pressure difference/countermeasure
维普
万方数据