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顆粒過濾器過程描述(已修改)

2025-08-17 18:11 本頁面
 

【正文】 富乙二醇過濾系統(tǒng)包括三個過濾器和一個預(yù)涂單元,每個過濾器設(shè)計為50%的流量。正常工作條件下,兩臺過濾器(A、B)在工作,另外一臺待命(C),一旦一臺工作的過濾器(A)達到轉(zhuǎn)換值(異常壓力、低流速、定時器到時),它具備停止過濾條件,待命過濾器C開始進行預(yù)涂。過濾器C預(yù)涂完畢,過濾器A開始再生(排液、干燥、排放過濾雜質(zhì))故障模型設(shè)備(Device)故障模型(Failure Mode)電氣連接(Electrical contact)斷開(open)電線接頭(wire termination)斷開(open)氣動模擬信號(pneumatic analog signal)低(Low)氣動操作閥(pneumatically operated valves)關(guān)閉(springreturn position CLOSE)氣動排放閥(pneumatically operated vent valves)關(guān)閉(springreturn position CLOSE)氣動卸料閥(pneumatically operated discharge valve)當前位置(current position(LAST))雙作用氣動閥(double acting pneumatically operated valves)當前位置(current position)控制閥(FV48513(control valve FV48513))失效位置(開啟)(fail position(open))電磁閥(Solenoid valve)卡滯 (shelf state)電氣繼電器(electrical delays)卡滯 (shelf state)序號閥門/儀器顆粒過濾器4851A 閥門編號顆粒過濾器4851B 閥門編號顆粒過濾器4851C 閥門編號閥門描述1氮氣排放閥XV48514XV48515XV48516控制排液階段進入顆粒過濾器的N2 2懸掛閥XV48527/48530/48533/48536/48539/4860148606XV48528/48531/48534/48537/48540/4860748612XV48529/48532/48535/48538/48541/4861348618每個顆粒過濾器中有97根濾芯,它們通過管頭匯聚到11個出口??刂乒茴^開關(guān)。3排放/溢流閥XV48517XV48518XV48519從顆粒過濾器到預(yù)涂罐排放閥4過濾器放空閥XV48627XV48628XV48629顆粒過濾器放空閥5預(yù)涂放空閥XV48623XV48623XV48623預(yù)涂放空閥6預(yù)涂液注入閥SDV48523(via XY48523)SDV48523(via XY48523)SDV48523(via XY48523)初始注入到預(yù)涂罐7預(yù)涂罐液位傳感器LT48572BLT48572BLT48572B預(yù)涂罐液位控制8控制N2去預(yù)涂罐閥XV48622XV48622XV48622控制去預(yù)涂罐的N29助濾劑注入閥XV48625XV48625XV48625控制區(qū)預(yù)涂罐的助濾劑(珍珠巖)10預(yù)涂入口閥XV48520XV48521XV48522控制從預(yù)涂罐到過濾器的預(yù)涂液11高液位傳感器LS48516LS48517LS48518顆粒過濾器高位液位傳感器12預(yù)涂返回控制閥XV48548XV48549XV48550預(yù)涂液從顆粒過濾器到預(yù)涂罐13流量計FT48513FT48514FT48515富乙二醇進液流量傳感器14富乙二醇流量控制閥FV48513FV48514FV48515富乙二醇流量控制閥15富乙二醇入口控制閥SDV48524(ViaXY48524)SDV48524(ViaXY48524)SDV48524(ViaXY48524)從富乙二醇泵到過濾器的富乙二醇16過濾完畢乙二醇出口閥XV48555XV48556XV48557過濾完畢的MEG去再生系統(tǒng)或預(yù)熱器17預(yù)涂返回旁通閥XV48551XV48552XV48553從過濾器到預(yù)涂罐的氮氣18排放閥XV48558XV48559XV48560MEG從過濾器排到預(yù)處理罐或閉排19低位開關(guān)LS48519LS48520LS48521過濾器排放管低液位液位開關(guān)20根部排放閥XV48619XV48620XV48621過濾器底部錐形區(qū)域到預(yù)處理罐或閉排21根部排放閥液位開關(guān)LS48510LS4
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