在(zai)(zai)煤炭開采過程(cheng)(cheng)中(zhong),因(yin)環境、開采條件(jian)、開采技(ji)術、操作等(deng)各個(ge)原因(yin),會(hui)造(zao)成各種類型(xing)安(an)全(quan)事(shi)故(gu),這一直是(shi)煤礦生產管理的(de)重(zhong)中(zhong)之(zhi)重(zhong)。其(qi)中(zhong),由(you)于(yu)地(di)下(xia)(xia)(xia)水(shui)涌(yong)出,雨(yu)水(shui)或江河水(shui)滲透(tou)等(deng),會(hui)有大量(liang)的(de)水(shui)在(zai)(zai)井(jing)(jing)(jing)下(xia)(xia)(xia),再加(jia)上地(di)質條件(jian)和天氣條件(jian)等(deng),涌(yong)水(shui)量(liang)在(zai)(zai)不(bu)同(tong)時(shi)間呈(cheng)現不(bu)同(tong),有時(shi)涌(yong)水(shui)量(liang)會(hui)很(hen)大。另外(wai),在(zai)(zai)煤炭開采過程(cheng)(cheng)中(zhong),由(you)于(yu)地(di)層(ceng)結構(gou)被(bei)破壞(huai),采區與(yu)儲(chu)水(shui)層(ceng)聯通,發生透(tou)水(shui)事(shi)故(gu),涌(yong)水(shui)量(liang)會(hui)突(tu)然增加(jia)。如果(guo)無法做到將礦井(jing)(jing)(jing)下(xia)(xia)(xia)水(shui)送到井(jing)(jing)(jing)上排出,發生透(tou)水(shui)事(shi)故(gu),井(jing)(jing)(jing)下(xia)(xia)(xia)的(de)安(an)全(quan)就(jiu)會(hui)受到威脅,透(tou)水(shui)事(shi)故(gu)一直以來都(dou)是(shi)威脅煤礦安(an)全(quan)的(de)重(zhong)要方(fang)面。
為保障煤礦井下安(an)(an)全(quan)(quan),煤礦井下都會配置排水(shui)(shui)(shui)(shui)設備和系(xi)統(tong),因此,井下排水(shui)(shui)(shui)(shui)系(xi)統(tong)能夠(gou)正常、安(an)(an)全(quan)(quan)、穩定、可靠地運行尤為重要,以及(ji)時(shi)、高效地將井下積(ji)水(shui)(shui)(shui)(shui)排到地面。傳(chuan)統(tong)的(de)排水(shui)(shui)(shui)(shui)系(xi)統(tong)操(cao)作模(mo)式(shi)為人工操(cao)作方式(shi),自動(dong)化程度(du)低,無(wu)(wu)法實時(shi)進(jin)行水(shui)(shui)(shui)(shui)泵(beng)(beng)監管,水(shui)(shui)(shui)(shui)泵(beng)(beng)啟停不及(ji)時(shi),甚(shen)至出現(xian)某(mou)臺水(shui)(shui)(shui)(shui)泵(beng)(beng)過度(du)運行的(de)情況,水(shui)(shui)(shui)(shui)泵(beng)(beng)無(wu)(wu)法安(an)(an)全(quan)(quan)可靠、經(jing)濟、節能運行,成(cheng)為安(an)(an)全(quan)(quan)事故的(de)欠載隱(yin)患(huan)。
要保障煤礦井下排水系統的安全可靠、經濟節能運行,就要摒棄原有的人工監管、操作的方式,實現自動化監管。煤礦井下排水自動化監控系統是(shi)利用傳感器(qi)技(ji)術(shu)、信息技(ji)術(shu)、視頻(pin)監控、PLC控制等先(xian)進技(ji)術(shu),根據煤礦(kuang)生產(chan)實(shi)(shi)際應用需求設(she)計制造的(de)煤礦(kuang)井下(xia)排水系(xi)統實(shi)(shi)時監測、自動(dong)化控制和(he)保(bao)護的(de)一體化解決方案,實(shi)(shi)現煤礦(kuang)井下(xia)排水系(xi)統的(de)穩(wen)定可靠和(he)經濟節能(neng)運行。
排(pai)水(shui)(shui)監控(kong)系(xi)(xi)統(tong)結合煤(mei)礦(kuang)區域(yu)面積(ji)及結構布置各種傳(chuan)感(gan)器(qi),保(bao)證對排(pai)水(shui)(shui)系(xi)(xi)統(tong)數(shu)(shu)據的(de)采(cai)集(ji)準(zhun)確(que)、全面。利用(yong)各種傳(chuan)感(gan)器(qi)實(shi)時(shi)采(cai)集(ji)監測(ce)排(pai)水(shui)(shui)系(xi)(xi)統(tong)的(de)水(shui)(shui)倉(cang)水(shui)(shui)位、水(shui)(shui)泵(beng)運(yun)(yun)行(xing)時(shi)間(jian)、煤(mei)礦(kuang)用(yong)電負荷等數(shu)(shu)據參數(shu)(shu),并(bing)且(qie)通過煤(mei)礦(kuang)以太網絡(luo)將數(shu)(shu)據實(shi)時(shi)傳(chuan)輸,PLC控(kong)制箱(xiang)根據既定的(de)邏輯程序和(he)參數(shu)(shu)信息進行(xing)判斷,完成對水(shui)(shui)泵(beng)的(de)合理控(kong)制和(he)保(bao)護。如,水(shui)(shui)倉(cang)水(shui)(shui)位達到規定值時(shi),會自(zi)(zi)動(dong)(dong)開啟水(shui)(shui)泵(beng);當某(mou)一(yi)水(shui)(shui)泵(beng)運(yun)(yun)行(xing)時(shi)間(jian)達到時(shi)間(jian),自(zi)(zi)動(dong)(dong)關(guan)停并(bing)啟動(dong)(dong)備用(yong)水(shui)(shui)泵(beng)。根據采(cai)集(ji)到的(de)實(shi)時(shi)準(zhun)確(que)數(shu)(shu)據,結合系(xi)(xi)統(tong)的(de)運(yun)(yun)行(xing)情(qing)況(kuang)和(he)煤(mei)礦(kuang)井(jing)下作業情(qing)況(kuang)自(zi)(zi)動(dong)(dong)發出相(xiang)應的(de)控(kong)制命令,從而完成自(zi)(zi)動(dong)(dong)化(hua)、無(wu)人化(hua)對排(pai)水(shui)(shui)系(xi)(xi)統(tong)的(de)監測(ce)、控(kong)制和(he)保(bao)護。
排水監控(kong)(kong)系(xi)統(tong)(tong)(tong)根據(ju)排水情(qing)況,對閘閥(fa)等進行調整和控(kong)(kong)制,進而使(shi)水泵(beng)的(de)(de)運行更加(jia)科學合(he)理,避免(mian)某一(yi)水泵(beng)過度運行的(de)(de)情(qing)況下,使(shi)其運行更加(jia)經濟節能,延長其使(shi)用壽(shou)命。另(ling)外,系(xi)統(tong)(tong)(tong)對水泵(beng)系(xi)統(tong)(tong)(tong)實時(shi)在線監視,發現異(yi)常狀況時(shi)能夠及時(shi)作出(chu)一(yi)定(ding)處(chu)理措施,并報警,遠程工作人員也可以通過系(xi)統(tong)(tong)(tong)畫(hua)面(mian)查看水泵(beng)運行情(qing)況,確保(bao)排水系(xi)統(tong)(tong)(tong)可靠穩(wen)定(ding)運行。
煤(mei)礦(kuang)井下排水自動化(hua)監控系(xi)統(tong)的應用,確(que)(que)保(bao)井下排水系(xi)統(tong)運行的穩定(ding)性、可靠性、經濟性,確(que)(que)保(bao)排水的及(ji)時性,避免不必要的安全(quan)事故和(he)能(neng)源浪費。
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