描述
預(yù)混釜Fl02在集散系統(tǒng)中的工作過程如下.
(1)準(zhǔn)備。
(2)預(yù)混釜Fl02A加料:預(yù)混釜F102A進(jìn)料閥FV8l06打開(進(jìn)料閥FV8l06與進(jìn)料閥FV8107是互為聯(lián)鎖的。當(dāng)FV5106開啟時,F(xiàn)V8107是關(guān)閉的;當(dāng)FV8l06關(guān)閉時,F(xiàn)V8107才可以開啟,反之亦然)。預(yù)混釜F102A出料閥KV8l03關(guān)閉,F(xiàn)QS8105復(fù)位,膠液泵B101啟動,當(dāng)控制模塊F8l05的累積值大于設(shè)定值時,B101停止和預(yù)混釜F102A進(jìn)料閥FV8106關(guān)閉。
(3)開始攪拌:打開預(yù)混釜F102A的攪拌。
(4)加入催化劑,氮?dú)夤芫€的PV8112打開(用氮?dú)馑痛呋瘎?、FQS8l01復(fù)位打開KV510l打開FV8l08,當(dāng)控制模塊F8l04的累積值大于設(shè)定值時,預(yù)混釜Fl02A催化劑進(jìn)料閥FV8l08關(guān)閉。
(5)關(guān)閉攪拌:延時5min,關(guān)閉預(yù)混釜F102A的攪拌。
(6)開始出料:當(dāng)預(yù)混釜F102B的液位報(bào)警器LIS8l04低位報(bào)警時,打開預(yù)混釜F102A的出料閥KV8l03開始出料。
(7)預(yù)混釜Fl02A的液位LIS8l03低位報(bào)警后,程序返回(2)。
(8)預(yù)混釜F102B的操作過程與預(yù)混釜F102A的操作過程一樣。
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