品牌:AB/羅克韋爾1746-HSRV
1746-HSRV產(chǎn)品特點(diǎn)
投運(yùn)時(shí)首先投運(yùn)給水流量單回路,調(diào)節(jié)平穩(wěn)后,再切換為蒸汽流量比值控制,液位前饋同時(shí)起作用。以汽定水+液位前饋比值控制方案調(diào)試投運(yùn)簡(jiǎn)單方便,投運(yùn)后經(jīng)負(fù)荷擾動(dòng)(產(chǎn)汽量變化)、液位擾動(dòng)(排污量變化)實(shí)驗(yàn),抗擾動(dòng)性能良好,投運(yùn)以來運(yùn)行平穩(wěn),達(dá)到工藝要求。圖4為2.5h實(shí)時(shí)液位記錄曲線,其中記錄了負(fù)荷擾動(dòng)情況。液位波動(dòng)范圍<±3%。
圖4 實(shí)時(shí)液位記錄曲線
1746-HSRV
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1746-HSRV
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