炼化企业污水回用至循环水系统的分析研究  

Research on wastewater reusing from refining and chemical enterprises into circulating cooling water systems

作　　者：叶晓林 赵玥 孙飞 YE Xiaolin;ZHAO Yue;SUN Fei(SINOPEC Chemical Department,Beijing 100728,China;SINOPEC Research Institute of Petroleum Processing Co.,Ltd.,Beijing 100083,China)

机构地区：[1]中国石油化工股份有限公司化工事业部,北京100728 [2]中石化石油化工科学研究院有限公司,北京100083

出　　处：《给水排水》2024年第5期66-72,共7页Water & Wastewater Engineering

基　　金：国家自然科学基金项目(U20A20154)。

摘　　要：我国水资源匮乏的问题日益突出,工业企业节水减排工作的重要性逐步提升。对某炼化企业的两套生化装置污水的水质条件及各生产单元的用水量等数据进行分析,初步确认了适合回用至循环冷却水系统的煤化工生化装置污水,水量为140 m3/h。在不同的回用方案条件下,根据循环水水质标准计算该方案可以达到的最高浓缩倍数,得到两种优化回用方案,实现了污水回用背景下的循环水系统高浓缩倍数(≥5)运行。后续将继续在循环水药剂优化和污水处理单元提标改造等方面进行研究,进一步提升污水回用率,实现节水减排的更高目标。Due to the severity of the water scarcity condition in our country,the importance of water conservation and emission reduction for industries is increasing gradually.The quality of the wastewater from two bioreactors in a refining company was investigated,and the water processes of production units were also analyzed.The wastewater from the coal chemistry biochemical reactor with a volume of 140 m~3/h was identified to be suitable for reuse in the circulation cooling water system(CCWS).Under different reuse schemes,the maximum concentration ratio that the scheme can achieve was calculated based on the water quality standards of CCWS.Two optimized reuse schemes were obtained,achieving high concentration ratio(≥5)operation of the CCWS with the reuse of the wastewater.Further research is planned in various aspects,such as optimizing water treatment chemicals and upgrading wastewater treatment units,to further improve the reuse rate of wastewater,and achieve higher goals of water conservation and emission reduction.

关 键 词：生化装置 水质 循环水 回用方案 炼化企业 

分 类 号：TU992[建筑科学—市政工程]