地(di)下(xia)下(xia)降(jiang)800米(mi)溫度(du)升(sheng)高至(zhi)37度(du)左右(you),地(di)下(xia)礦井(jing)(jing)坑道(dao)作業條(tiao)件惡劣,溫度(du)較高,有毒有害(hai)氣(qi)體(ti),空氣(qi)不(bu)流(liu)通。使用片冰機對礦井(jing)(jing)降(jiang)溫是(shi)常見方法之(zhi)一,簡單方便,能夠持續為礦井(jing)(jing)降(jiang)溫。
片冰機在煤礦礦井的作用:
煤礦(kuang)礦(kuang)井容(rong)易(yi)產(chan)生瓦斯易(yi)燃氣(qi)體,一(yi)旦礦(kuang)井溫度升高容(rong)易(yi)爆炸,礦(kuang)井垮塌(ta)嚴重的安全事故,片冰降溫可避(bi)免易(yi)燃氣(qi)體爆炸。
礦井降(jiang)溫,保障機器、工(gong)作(zuo)人員舒適的環境

溫(wen)度高,機(ji)器容(rong)易故(gu)障。工(gong)(gong)(gong)作人員容(rong)易中(zhong)(zhong)暑等。氣溫(wen)每(mei)增加1℃,礦(kuang)井生產(chan)效率則(ze)降低6-8%。在-800m以(yi)下的(de)采掘工(gong)(gong)(gong)作面,夏(xia)季三個月份,回(hui)采工(gong)(gong)(gong)作面突破30℃,煤巷掘進工(gong)(gong)(gong)作面溫(wen)度高達32℃、33℃,濕疹和中(zhong)(zhong)暑等現象時有發(fa)生,嚴重影響(xiang)了(le)職工(gong)(gong)(gong)的(de)身心健(jian)康和安(an)全生產(chan),并對機(ji)電設備造成損害,影響(xiang)生產(chan)效率和施工(gong)(gong)(gong)安(an)全。人是(shi)企(qi)業之本,防(fang)暑降溫(wen)是(shi)煤礦(kuang)職業病防(fang)治工(gong)(gong)(gong)作的(de)重要(yao)內容(rong),是(shi)安(an)全生產(chan)的(de)基(ji)礎工(gong)(gong)(gong)作。
更多的實用(yong)案例顯示在深井(jing)礦井(jing)中(zhong)用(yong)片冰降(jiang)溫(wen)可以(yi)達到目前建議的有效(xiao)(xiao)控制礦井(jing)內部溫(wen)度的效(xiao)(xiao)果(guo),其中(zhong)整個(ge)系統重要由(you)地面制冰系統、輸(shu)冰融冰系統及地下(xia)輸(shu)冷(leng)散冷(leng)系統組成,實際井(jing)下(xia)輸(shu)冷(leng)散冷(leng)系統為開放系統,即回水(shui)(shui)流回溶冰池,采區的防塵(chen)用(yong)水(shui)(shui)由(you)于屬于少(shao)量用(yong)水(shui)(shui),可從供冷(leng)水(shui)(shui)管路接出,用(yong)于工作面的防塵(chen)和噴(pen)淋(lin)降(jiang)溫(wen),從而有效(xiao)(xiao)降(jiang)低井(jing)下(xia)環境溫(wen)度,提高生產效(xiao)(xiao)率。保證井(jing)下(xia)安全(quan)作業(ye)。