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1747-KFC15
1747-KFC15
產(chǎn)品價(jià)格:¥1
上架日期:2019-08-14 12:07:00
產(chǎn)地:1747-KFC15
發(fā)貨地:福州
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最少起訂:1個(gè)
瀏覽量:276
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    1747-KFC15現(xiàn)貨 in stock! 歡迎來(lái)電咨詢~?。?

    1747-KFC15


     2015年9月28日,國(guó)神集團(tuán)神東電力河曲發(fā)電公司2×350兆瓦低熱值煤發(fā)電工程1號(hào)機(jī)組順利通過(guò)168小時(shí)滿負(fù)荷試運(yùn)行并正式投入商業(yè)運(yùn)營(yíng)中。在項(xiàng)目1號(hào)機(jī)組進(jìn)入168小時(shí)試運(yùn)期間,機(jī)組負(fù)荷率達(dá)99.9%,機(jī)組運(yùn)行平穩(wěn),各項(xiàng)指標(biāo)優(yōu)良,達(dá)到山西省超低排放指標(biāo)。
      該項(xiàng)目是神華集團(tuán)投產(chǎn)的首臺(tái)、世界上投產(chǎn)的第2臺(tái)350兆瓦超臨界循環(huán)流化床機(jī)組,對(duì)循環(huán)流化床技術(shù)的可持續(xù)發(fā)展具有里程碑意義。
      工程概況
      該項(xiàng)目屬山西省重點(diǎn)建設(shè)項(xiàng)目,以資源綜合利用、發(fā)展循環(huán)經(jīng)濟(jì)為標(biāo)志,充分利用當(dāng)?shù)孛喉肥?、煤泥等低熱值煤及城市中水,具有?jié)能、節(jié)水、環(huán)保等特點(diǎn)。該項(xiàng)目DCS系統(tǒng)包括兩臺(tái)主機(jī)、公用、輔網(wǎng),實(shí)現(xiàn)全廠一體化控制。
    單元機(jī)組和公用系統(tǒng)I/O點(diǎn):
      總計(jì)點(diǎn)數(shù):6945*2+970=14860點(diǎn)(兩臺(tái)機(jī)組及公用點(diǎn)數(shù))
      系統(tǒng)配置
      神華神東河曲工程包括#1機(jī)組和#2機(jī)組,其分散控制系統(tǒng)的控制范圍包括單元機(jī)組、機(jī)組脫硫系統(tǒng)、輔網(wǎng)系統(tǒng)和公用系統(tǒng)。整個(gè)DCS系統(tǒng)按照HOLLiAS MACS的網(wǎng)絡(luò)結(jié)構(gòu)劃分為#1機(jī)組、#2機(jī)組脫硫以及公用系統(tǒng)共四個(gè)域,并且與電廠管理信息系統(tǒng)(MIS)、監(jiān)控信息系統(tǒng)(SIS)等留有通訊接口。
      和利時(shí)控制系統(tǒng)具有模擬量控制(MCS)、順序控制(SCS)、鍋爐安全監(jiān)視保護(hù)(FSSS)、電氣控制(ECS)、數(shù)據(jù)采集(DAS)、汽機(jī)旁路控制(BPC)等系統(tǒng)功能,以滿足各種運(yùn)行工況的要求,確保機(jī)組安全、高效運(yùn)行。
      DCS控制系統(tǒng)硬件配置示意圖(單元機(jī)組和公用系統(tǒng))如下:
     DCS網(wǎng)絡(luò)結(jié)構(gòu)
      HOLLiAS MACS分散控制系統(tǒng),可以劃分為監(jiān)控層和控制層兩個(gè)層次。監(jiān)控層的設(shè)備主要包括工程師站、操作員站、通訊站等;控制層的設(shè)備主要包括實(shí)現(xiàn)各種控制功能的控制站(包括遠(yuǎn)程控制站和遠(yuǎn)程I/O站)。工程師站、操作員站和通訊站等與系統(tǒng)服務(wù)器的互連,通過(guò)監(jiān)控網(wǎng)(M-NET)使用以太網(wǎng)協(xié)議通訊,通訊速率100Mbps??刂普九c系統(tǒng)服務(wù)器的互連,通過(guò)系統(tǒng)網(wǎng)(S-NET)使用HSIE網(wǎng)絡(luò)協(xié)議,通訊速率10/100M自適應(yīng)。HSIE網(wǎng)絡(luò)協(xié)議基于可靠的工業(yè)以太網(wǎng)通訊協(xié)議,信息傳輸實(shí)時(shí)、可靠。控制站內(nèi)部的數(shù)據(jù)通訊網(wǎng)絡(luò)稱為控制網(wǎng)(C-NET),控制網(wǎng)采用Profibus現(xiàn)場(chǎng)總線。使用Profibus-DP協(xié)議,通訊速率500Kbps,實(shí)現(xiàn)控制器與過(guò)程I/O模塊的通訊,符合IEC61158國(guó)際標(biāo)準(zhǔn)。所有支持Profibus-DP協(xié)議的控制器(如PLC)和智能儀表只要提供相應(yīng)的GSD設(shè)備文件,都能作為主控的從站與HOLLIAS MACS系統(tǒng)進(jìn)行通訊。

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