Primary spraying EG circulation supply control system of final polymerization reactor

The invention relates to a primary spraying EG circulation supply control system of a final polymerization reactor. The system is characterized by comprising a final polymerization reactor (13), a final polymerization primary spraying device (14), a final polymerization secondary spraying device (15), a final polymerization hot well (16), a final polymerization preheater (17), a final polymerization primary filter group (18), a final polymerization tubular heat exchanger group (19), a final polymerization secondary filter group (21), a stabilized EG tank (22), a fresh EG tank (23) and a vacuuming unit (24). The system has the advantages that spraying EG can be circularly used, and the utilization efficiency is improved. 本发明涉及种终聚反应釜的级喷淋EG循环供给控制系统，其特征在于它包括终聚反应釜（13）、终聚级喷淋装置（14）、终聚二级喷淋装置（15）、终聚热井（16）、终聚预热器（17）、终聚级过滤器组（18）、终聚管式换热器组（19）、终聚二级过滤器组（21）、稳定EG罐（22）、新鲜EG罐（23）以及抽真空机组（24）。本发明具有将喷淋EG进行循环使用，提高利用效率的优点。