广州化工
廣州化工
엄주화공
GUANGZHOU CHEMICAL INDUSTRY AND TECHNOLOGY
2011年
16期
160-161,163
,共3页
PVC聚合%密闭投料%DCS改造
PVC聚閤%密閉投料%DCS改造
PVC취합%밀폐투료%DCS개조
PVC polymerization%airtight feeding technology%DCS improvement
介绍了南宁化工股份有限公司聚氯乙烯厂30 m3 PVC悬浮聚合生产装置投料工艺技术改造,该工艺将原有的投料方式由开盖投料改为全密闭投料,并对原有DCS系统进行相应改造。改造后,PVC聚合生产自动化程度得到明显提高,计量方式更精确,从而提高了生产效率,缩短了聚合辅助时间,提高了单釜产量;另外由于在反应过程中增加了注水程序,从而有效提高了反应釜的传热能力;同时DCS系统的改造,提高了生产的安全性和稳定性。
介紹瞭南寧化工股份有限公司聚氯乙烯廠30 m3 PVC懸浮聚閤生產裝置投料工藝技術改造,該工藝將原有的投料方式由開蓋投料改為全密閉投料,併對原有DCS繫統進行相應改造。改造後,PVC聚閤生產自動化程度得到明顯提高,計量方式更精確,從而提高瞭生產效率,縮短瞭聚閤輔助時間,提高瞭單釜產量;另外由于在反應過程中增加瞭註水程序,從而有效提高瞭反應釜的傳熱能力;同時DCS繫統的改造,提高瞭生產的安全性和穩定性。
개소료남저화공고빈유한공사취록을희엄30 m3 PVC현부취합생산장치투료공예기술개조,해공예장원유적투료방식유개개투료개위전밀폐투료,병대원유DCS계통진행상응개조。개조후,PVC취합생산자동화정도득도명현제고,계량방식경정학,종이제고료생산효솔,축단료취합보조시간,제고료단부산량;령외유우재반응과정중증가료주수정서,종이유효제고료반응부적전열능력;동시DCS계통적개조,제고료생산적안전성화은정성。
An improved technology of airtight feeding in PVC suspension polymerization（30 m3） process was introduced.The improvements of feeding method and DCS system led to higher automaticity of PVC polymerization and more precise measurement mode.Therefore,the production efficiency was obviously increased and the assistance time in polymerization was shortened.Moreover,the addition of water injection program in the process of reaction increased the capability of heat-transfer and the improvement of DCS system increased the security and stability of PVC polymerization production.
