A-B 1485P-P4T5-T5
該條管道內(nèi)的氫氣主要用作下游化工廠的生產(chǎn)原料,甲烷用于液化天然氣的生產(chǎn),整個(gè)管道連接有焦化廠、LNG液化廠、公用設(shè)施等多個(gè)工廠和廠級(jí)控制中心。這些大型的工廠和集氣站均采用有不同廠家的DCS系統(tǒng),因此將眾多系統(tǒng)集成在一起使之協(xié)調(diào)一致運(yùn)行也是艾默生在本項(xiàng)目中需要重點(diǎn)考慮的內(nèi)容。由于液化廠、集氣站并不是全部已經(jīng)存在,因此會(huì)在今后不斷擴(kuò)展,這就對(duì)SCADA系統(tǒng)的可擴(kuò)展性和兼容性提出了更高要求。此外,客戶還需要將工廠、管道的生產(chǎn)運(yùn)營(yíng)數(shù)據(jù)連接到更高層的商業(yè)管理系統(tǒng)中,以實(shí)現(xiàn)更高級(jí)的管理應(yīng)用。這樣就需要艾默生的SCADA系統(tǒng)具有足夠好的開放性和數(shù)據(jù)庫(kù)連接能力。
OE SCADA系統(tǒng)具有良好的開放性和可擴(kuò)展性,支持Modbus、DNP3、TCP/IP、OPC等多種工業(yè)標(biāo)準(zhǔn)接口,能夠確保第三方系統(tǒng)和硬件的無(wú)縫接入。
OE server包含了一個(gè)強(qiáng)大的面向?qū)ο蟮膶?shí)時(shí)數(shù)據(jù)庫(kù)和一個(gè)歷史數(shù)據(jù)庫(kù),支持SQL、ODBC、OLEDB、J產(chǎn)品aDBC等多種數(shù)據(jù)庫(kù)協(xié)議,可以方便的與第三方商業(yè)數(shù)據(jù)庫(kù)連接,OE獨(dú)特的面向?qū)ο蟮臄?shù)據(jù)庫(kù)設(shè)計(jì),能夠保證與大型關(guān)系型數(shù)據(jù)庫(kù)如PI, Oracle等快速連接。
通過(guò)開放的接口,OE可以將每一套工廠的DCS數(shù)據(jù)都顯示在調(diào)控中心,管道的運(yùn)營(yíng)者也可以在調(diào)控中心了解到工廠的生產(chǎn)情況,所有的數(shù)據(jù)集成到ERP系統(tǒng),可以實(shí)現(xiàn)從生產(chǎn)到管道輸送的調(diào)度管理,實(shí)現(xiàn)貿(mào)易和財(cái)務(wù)訂單管理。將傳統(tǒng)的管道獨(dú)立運(yùn)營(yíng)轉(zhuǎn)變?yōu)檎麄(gè)產(chǎn)業(yè)鏈的統(tǒng)一運(yùn)營(yíng)。各工廠的生產(chǎn)數(shù)據(jù)也可以和管道數(shù)據(jù)一起通過(guò)Web服務(wù)器發(fā)布到相關(guān)管理人員的電腦中。
焦?fàn)t氣管道SCADA系統(tǒng)未來(lái)發(fā)展方向
當(dāng)前艾默生的SCADA系統(tǒng)已為客戶提供了安全、高效、可靠的監(jiān)控方式,未來(lái)我們還希望將最新的技術(shù)運(yùn)用到該系統(tǒng)中。監(jiān)、管、控一體化將是我們的努力方向。調(diào)控中心不再是過(guò)程控制系統(tǒng)和視頻監(jiān)控系統(tǒng)獨(dú)立工作,也不再僅僅是對(duì)過(guò)程數(shù)據(jù)的監(jiān)視,而是將診斷和專家分析融為一體。視頻會(huì)跟隨過(guò)程控制的操作而動(dòng)作,根據(jù)各種數(shù)據(jù)我們會(huì)知道當(dāng)前所有設(shè)備的健康狀況,也會(huì)根據(jù)專家系統(tǒng)來(lái)獲取問(wèn)題的答案和解決方法。監(jiān)管控一體化的調(diào)控中心如圖4所示。
結(jié)論
內(nèi)蒙古-寧夏焦?fàn)t氣管道SCADA系統(tǒng)一期已于2012年完成,并于次年投產(chǎn),艾默生提供的OE ControlW產(chǎn)品e的整體解決方案不僅保證了項(xiàng)目的按期完工,而且為管道的安全啟動(dòng)奠定了基礎(chǔ)。SCADA的應(yīng)用,使客戶在調(diào)度中心或者站控室就可以了解整個(gè)管道的運(yùn)行情況,獲取輸送和計(jì)量信息,為高層決策提供數(shù)據(jù)支持。自烏海焦?fàn)t煤氣節(jié)能減排綜合利用整個(gè)項(xiàng)目投產(chǎn)以來(lái),烏海-銀川管道系統(tǒng)運(yùn)行良好,獲得用戶的好評(píng)。關(guān)鍵詞:
摘要:介紹:本系統(tǒng)適用于粉狀、顆粒狀物料(如耐火材料、水泥、粉煤灰和煤粉等)的輸送、計(jì)量和配料。它是以稱重配料小車、螺旋、皮帶為物料的輸送工具,同時(shí)進(jìn)行動(dòng)態(tài)稱重和配料控制的成套自動(dòng)化設(shè)備。
一、原理、工藝
介紹:本系統(tǒng)適用于粉狀、顆粒狀物料(如耐火材料、水泥、粉煤灰和煤粉等)的輸送、計(jì)量和配料。它是以稱重配料小車、螺旋、皮帶為物料的輸送工具,同時(shí)進(jìn)行動(dòng)態(tài)稱重和配料控制的成套自動(dòng)化設(shè)備。
生產(chǎn)過(guò)程中它可以按工藝流程要求,根據(jù)預(yù)定配方,對(duì)多種物料按固定比例重量值將物料加入稱重料斗內(nèi),當(dāng)顯示的稱量值達(dá)到預(yù)設(shè)數(shù)值時(shí)(即完成每一種物料的稱重計(jì)量),再按照卸料程序?qū)⑽锪弦淮位蚍植蕉啻涡度胫付ɑ旌显O(shè)備進(jìn)行混合,以備成型或散料包裝。該微機(jī)自控系統(tǒng)具有設(shè)備全自動(dòng)控制功能和稱重?cái)?shù)據(jù)管理功能,可以記錄、打印配料數(shù)據(jù)。
配料系統(tǒng)主要功能說(shuō)明:
1:實(shí)現(xiàn)手動(dòng)操作和自動(dòng)控制配料功能;
2:能顯示實(shí)時(shí)的工作狀態(tài)和每種物料的目標(biāo)重量、實(shí)際重量等;
3:在配料過(guò)程中,具有自動(dòng)報(bào)警功能,能夠提示工人;
4:具有操作員權(quán)限管理,安全方便;
5:整個(gè)系統(tǒng)均用人機(jī)對(duì)話模式,操作簡(jiǎn)單易用,維護(hù)方便;
6:采用變頻器控制下料,可提高配料精度,從而提高產(chǎn)品的質(zhì)量和穩(wěn)定性;
7:通過(guò)基本換算,將結(jié)果數(shù)據(jù)分為噸和千克;
廈門興銳達(dá)自動(dòng)化設(shè)備有限公司
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