5466-329

SNAT4041C

豎爐焙燒是我國(guó)目前處理弱磁性礦物的有效途徑之一。其生產(chǎn)現(xiàn)狀是自動(dòng)化程度低，生產(chǎn)成本高，資源消耗大，環(huán)境污染嚴(yán)重。豎爐焙燒過程具有機(jī)理復(fù)雜，多變量強(qiáng)耦合，過程中不確定因素多，磁選管回收率等關(guān)鍵工藝參數(shù)難以在線連續(xù)測(cè)量。因此采用傳統(tǒng)的控制結(jié)構(gòu)難以對(duì)其進(jìn)行有效的控制。歐洲鋼鐵工業(yè)技術(shù)發(fā)展指南指出：“對(duì)于降低生產(chǎn)成本、提高產(chǎn)品質(zhì)量、減少環(huán)境污染和資源消耗只能通過全流程自動(dòng)控制系統(tǒng)的優(yōu)化設(shè)計(jì)來實(shí)現(xiàn)[2]”。采用計(jì)算機(jī)控制系統(tǒng)是對(duì)豎爐焙燒過程實(shí)現(xiàn)成功控制的關(guān)鍵，采用新的合適的控制結(jié)構(gòu)的過程綜合自動(dòng)化系統(tǒng)是解決上述問題的關(guān)鍵。文[3]提出了采用過程控制、過程優(yōu)化、生產(chǎn)調(diào)度、企業(yè)管理和經(jīng)濟(jì)決策五層結(jié)構(gòu)的綜合自動(dòng)化系統(tǒng)。文[4]提出了由過程穩(wěn)定化、過程優(yōu)化、過程管理三層結(jié)構(gòu)組成的選礦生產(chǎn)過程自動(dòng)化系統(tǒng)。文[5]提出了基于企業(yè)資源計(jì)劃（ERP）/制造執(zhí)行系統(tǒng)（MES）/過程控制系統(tǒng)（PCS）三層結(jié)構(gòu)的金礦企業(yè)綜合自動(dòng)化系統(tǒng)，并成功應(yīng)用于中國(guó)排山樓金礦，取得了顯著成效。

 

      本文結(jié)合某選礦廠的實(shí)際，針對(duì)豎爐焙燒過程的特點(diǎn)，采用智能優(yōu)化、過程控制和過程管理三層結(jié)構(gòu)的綜合自動(dòng)化系統(tǒng)體系架構(gòu)，提出了基于Rockwell自動(dòng)化技術(shù)和智能控制方法的豎爐焙燒過程綜合自動(dòng)化系統(tǒng)，并成功應(yīng)用于該選礦廠豎爐焙燒過程，取得了顯著的成效，為選礦廠綜合自動(dòng)化系統(tǒng)[6]的成功實(shí)施奠定了基礎(chǔ)。?

 

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廈門莫格電氣自動(dòng)化有限公司

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