立軸式(shi)沖擊(ji)破碎機PL9500SD,中國水(shui)利水(shui)電(dian)工(gong)(gong)(gong)程(cheng)屆砂(sha)(sha)(sha)(sha)(sha)(sha)石(shi)(shi)(shi)(shi)生產(chan)技術交流會(hui) 功果(guo)橋水(shui)電(dian)站(zhan)左岸砂(sha)(sha)(sha)(sha)(sha)(sha)石(shi)(shi)(shi)(shi)加(jia)(jia)工(gong)(gong)(gong)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)設計(ji) 許(xu)林(lin)明 文寧 （中國水(shui)電(dian)顧問集團西(xi)北勘測設計(ji)院(yuan),陜(shan)西(xi)西(xi)安７１００６５）提要(yao)(yao)：功果(guo)橋水(shui)電(dian)站(zhan)左岸砂(sha)(sha)(sha)(sha)(sha)(sha)石(shi)(shi)(shi)(shi)加(jia)(jia)工(gong)(gong)(gong)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)規(gui)模大(da),生產(chan)工(gong)(gong)(gong)藝復雜(za),成品(pin)骨料(liao)(liao)品(pin)種多而(er)且(qie)品(pin)質要(yao)(yao)求(qiu)高(gao)。系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)砂(sha)(sha)(sha)(sha)(sha)(sha)巖(yan)制砂(sha)(sha)(sha)(sha)(sha)(sha)難度大(da),常態砂(sha)(sha)(sha)(sha)(sha)(sha)和碾(nian)壓砂(sha)(sha)(sha)(sha)(sha)(sha)均要(yao)(yao)求(qiu)較高(gao)的(de)(de)石(shi)(shi)(shi)(shi)粉(fen)含量,是系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)設計(ji)的(de)(de)關鍵工(gong)(gong)(gong)藝環節。因此,系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)工(gong)(gong)(gong)藝設計(ji)充分考慮工(gong)(gong)(gong)程(cheng)特點,對(dui)關鍵工(gong)(gong)(gong)藝進(jin)行針對(dui)性的(de)(de)試驗論證,確(que)保(bao)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)先進(jin)可靠,滿足工(gong)(gong)(gong)程(cheng)要(yao)(yao)求(qiu)．關鍵詞：砂(sha)(sha)(sha)(sha)(sha)(sha)石(shi)(shi)(shi)(shi)加(jia)(jia)工(gong)(gong)(gong)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)工(gong)(gong)(gong)藝設計(ji)石(shi)(shi)(shi)(shi)粉(fen)制砂(sha)(sha)(sha)(sha)(sha)(sha)工(gong)(gong)(gong)藝設計(ji)特點１工(gong)(gong)(gong)程(cheng)概況 功果(guo)橋水(shui)電(dian)站(zhan)左岸砂(sha)(sha)(sha)(sha)(sha)(sha)石(shi)(shi)(shi)(shi)加(jia)(jia)工(gong)(gong)(gong)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong),位于左岸壩址下游約２．Ｏｋｍ的(de)(de)上七潘(pan)白龍灘(tan)溝臺地。系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)承擔碾(nian)壓混(hun)凝(ning)土重力壩、廠(chang)房(fang)等工(gong)(gong)(gong)程(cheng)部位混(hun)凝(ning)土所需骨料(liao)(liao)的(de)(de)生產(chan)供應(ying)任(ren)務,混(hun)凝(ning)土總量１７８萬(wan)(wan)ｍ３,混(hun)凝(ning)土級配(pei)以三級配(pei)為主(zhu)(zhu),合計(ji)供應(ying)的(de)(de)成品(pin)骨料(liao)(liao)總量為３６６萬(wan)(wan)ｔ,其(qi)中碎石(shi)(shi)(shi)(shi)２２８萬(wan)(wan)ｔ,人工(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)１３８萬(wan)(wan)ｔ。 系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)料(liao)(liao)源主(zhu)(zhu)要(yao)(yao)采(cai)用(yong)工(gong)(gong)(gong)程(cheng)開挖(wa)料(liao)(liao),料(liao)(liao)源巖(yan)性為變質砂(sha)(sha)(sha)(sha)(sha)(sha)巖(yan)、石(shi)(shi)(shi)(shi)

立(li)軸式(shi)沖擊破(po)碎(sui)機PL9500SD,某水電站左(zuo)、右(you)(you)(you)岸(an)2個砂(sha)(sha)(sha)石(shi)(shi)加工(gong)(gong)系(xi)統(tong)均(jun)利用(yong)右(you)(you)(you)岸(an)地(di)下(xia)洞(dong)室(shi)開挖(wa)的(de)砂(sha)(sha)(sha)巖(yan)料(liao)(liao)(liao)生產人(ren)工(gong)(gong)骨料(liao)(liao)(liao)。右(you)(you)(you)岸(an)地(di)下(xia)洞(dong)室(shi)開挖(wa)料(liao)(liao)(liao)以變(bian)(bian)質(zhi)砂(sha)(sha)(sha)巖(yan)、石(shi)(shi)英(ying)砂(sha)(sha)(sha)巖(yan)為主,變(bian)(bian)質(zhi)砂(sha)(sha)(sha)巖(yan)單軸干抗壓強度為83～174MPa,均(jun)值117．38MPa,單軸飽和抗壓強度為64～125MPa,均(jun)值93．94MPa。 巖(yan)石(shi)(shi)磨片(pian)鑒定(ding)變(bian)(bian)質(zhi)砂(sha)(sha)(sha)巖(yan)為變(bian)(bian)細粒長(chang)石(shi)(shi)砂(sha)(sha)(sha)巖(yan),鱗片(pian)粒狀(zhuang)(zhuang)變(bian)(bian)晶(jing)結(jie)構、變(bian)(bian)余砂(sha)(sha)(sha)狀(zhuang)(zhuang)結(jie)構、塊狀(zhuang)(zhuang)構造。原巖(yan)由88％左(zuo)右(you)(you)(you)的(de)碎(sui)屑物和12％的(de)填隙物2部(bu)分構成,巖(yan)石(shi)(shi)中石(shi)(shi)英(ying)含(han)(han)量(liang)(liang)約(yue)(yue)65％,長(chang)石(shi)(shi)含(han)(han)量(liang)(liang)約(yue)(yue)20％,泥質(zhi)含(han)(han)量(liang)(liang)約(yue)(yue)8％,硅質(zhi)含(han)(han)量(liang)(liang)約(yue)(yue)4％,云母片(pian)及綠泥石(shi)(shi)含(han)(han)量(liang)(liang)約(yue)(yue)3％。 可以利用(yong)已投產的(de)右(you)(you)(you)岸(an)臨時系(xi)統(tong)進行(xing),系(xi)統(tong)制(zhi)砂(sha)(sha)(sha)設(she)備配置了貴州(zhou)誠智生產的(de)PL9500SD型立(li)軸式(shi)沖擊破(po)碎(sui)機,其處理能力為220～350t／h,設(she)備電機功率為2x200kW,額(e)定(ding)電流為360A,轉(zhuan)子正常運行(xing)線(xian)速度為65m／s,進料(liao)(liao)(liao)為5—40mm的(de)礫石(shi)(shi)。破(po)碎(sui)機進料(liao)(liao)(liao)采用(yong)變(bian)(bian)頻振動(dong)給(gei)料(liao)(liao)(liao)機喂料(liao)(liao)(liao),可以隨時控制(zhi)給(gei)料(liao)(liao)(liao)量(liang)(liang)。 根據混凝(ning)土(tu)性能研(yan)

立(li)軸式沖(chong)擊破(po)(po)(po)(po)(po)(po)碎(sui)機(ji)(ji)(ji)PL9500SD,新型節(jie)能(neng)(neng)(neng)制(zhi)(zhi)砂機(ji)(ji)(ji)低(di)(di)溫(wen)(wen)(wen)破(po)(po)(po)(po)(po)(po)碎(sui)的(de)(de)(de)(de)(de)工(gong)藝流(liu)程和(he)優點 制(zhi)(zhi)砂機(ji)(ji)(ji)低(di)(di)溫(wen)(wen)(wen)冷(leng)凍(dong)破(po)(po)(po)(po)(po)(po)碎(sui)工(gong)藝流(liu)程將(jiang)固體(ti)(ti)廢(fei)物(wu)如鋼絲膠管、塑料(liao)或橡(xiang)(xiang)膠包覆(fu)電(dian)(dian)線電(dian)(dian)纜、廢(fei)家用(yong)電(dian)(dian)器等(deng)復合制(zhi)(zhi)品先投(tou)入(ru)預冷(leng)裝(zhuang)置再(zai)進入(ru)浸沒冷(leng)卻裝(zhuang)置這樣橡(xiang)(xiang)膠、塑料(liao)等(deng)易冷(leng)脆(cui)物(wu)質迅速脆(cui)化(hua)之后送人高速沖(chong)擊破(po)(po)(po)(po)(po)(po)碎(sui)機(ji)(ji)(ji)碎(sui)使(shi)易脆(cui)物(wu)質脫落粉碎(sui)。破(po)(po)(po)(po)(po)(po)碎(sui)產物(wu)再(zai)進入(ru)各(ge)種分選(xuan)設備進行(xing)分選(xuan)。 對于(yu)(yu)一些(xie)在常(chang)溫(wen)(wen)(wen)下難以破(po)(po)(po)(po)(po)(po)碎(sui)的(de)(de)(de)(de)(de)固體(ti)(ti)廢(fei)物(wu)如汽車輪胎、包覆(fu)電(dian)(dian)線、廢(fei)家用(yong)電(dian)(dian)器等(deng)可以利用(yong)其低(di)(di)溫(wen)(wen)(wen)變脆(cui)的(de)(de)(de)(de)(de)性能(neng)(neng)(neng)而(er)有(you)效地(di)施行(xing)破(po)(po)(po)(po)(po)(po)碎(sui)也可利用(yong)不同廢(fei)物(wu)脆(cui)化(hua)溫(wen)(wen)(wen)度的(de)(de)(de)(de)(de)差(cha)異進行(xing)在低(di)(di)溫(wen)(wen)(wen)下選(xuan)擇性破(po)(po)(po)(po)(po)(po)碎(sui)。 制(zhi)(zhi)砂機(ji)(ji)(ji)是(shi)怎么實現低(di)(di)溫(wen)(wen)(wen)破(po)(po)(po)(po)(po)(po)碎(sui)的(de)(de)(de)(de)(de)呢反(fan)擊式破(po)(po)(po)(po)(po)(po)碎(sui)機(ji)(ji)(ji)低(di)(di)溫(wen)(wen)(wen)破(po)(po)(po)(po)(po)(po)碎(sui)通(tong)常(chang)需要(yao)配置制(zhi)(zhi)冷(leng)系統液(ye)氮(dan)是(shi)常(chang)用(yong)的(de)(de)(de)(de)(de)制(zhi)(zhi)冷(leng)劑因液(ye)氨制(zhi)(zhi)冷(leng)效果好、無毒、無爆(bao)炸性且貨(huo)源充足。但是(shi)所需的(de)(de)(de)(de)(de)液(ye)氮(dan)量較大(da)且制(zhi)(zhi)備液(ye)氮(dan)需要(yao)消(xiao)耗(hao)大(da)量的(de)(de)(de)(de)(de)能(neng)(neng)(neng)量故出于(yu)(yu)經(jing)濟上的(de)(de)(de)(de)(de)考慮反(fan)擊式破(po)(po)(po)(po)(po)(po)碎(sui)機(ji)(ji)(ji)低(di)(di)溫(wen)(wen)(wen)破(po)(po)(po)(po)(po)(po)碎(sui)對象于(yu)(yu)常(chang)溫(wen)(wen)(wen)下破(po)(po)(po)(po)(po)(po)碎(sui)機(ji)(ji)(ji)回收成本高的(de)(de)(de)(de)(de)合成材(cai)料(liao)如橡(xiang)(xiang)膠和(he)塑料(liao)。 制(zhi)(zhi)砂機(ji)(ji)(ji)低(di)(di)溫(wen)(wen)(wen)破(po)(po)(po)(po)(po)(po)碎(sui)的(de)(de)(de)(de)(de)原(yuan)理如下介紹固體(ti)(ti)廢(fei)物(wu)各(ge)組分物(wu)質在低(di)(di)溫(wen)(wen)(wen)冷(leng)凍(dong) 12060C條件(jian)下

立(li)軸(zhou)式(shi)沖(chong)擊破(po)碎(sui)機(ji)PL9500SD,2、噪聲約降低(di)7dB,振動減輕約1/5 1/4 3、由于同一材質(zhi)(zhi)(zhi)破(po)碎(sui)后粒度均(jun)勻,異(yi)質(zhi)(zhi)(zhi)廢物(wu)(wu)則有不同破(po)碎(sui)尺寸,這(zhe)便(bian)于進(jin)一步(bu)篩分(fen),使(shi)復合材質(zhi)(zhi)(zhi)的(de)(de)物(wu)(wu)料(liao)破(po)碎(sui)后能得到較純的(de)(de)材質(zhi)(zhi)(zhi)更有利于其資(zi)源的(de)(de)回收 4、對(dui)于常溫下(xia)極(ji)難(nan)(nan)破(po)碎(sui)并且塑(su)性極(ji)高(gao)的(de)(de)氟(fu)塑(su)料(liao)廢物(wu)(wu),采用(yong)液氮低(di)溫破(po)碎(sui)可獲得碎(sui)塊粉(fen)(fen)(fen)末。 制(zhi)砂(sha)(sha)(sha)生產線制(zhi)砂(sha)(sha)(sha)含(han)粉(fen)(fen)(fen)量(liang)(liang)(liang)要(yao)(yao)求 水布(bu)埡水電站制(zhi)砂(sha)(sha)(sha)生產線骨料(liao)常態(tai)混凝(ning)土砂(sha)(sha)(sha)石(shi)(shi)(shi)粉(fen)(fen)(fen)含(han)量(liang)(liang)(liang)要(yao)(yao)求為17.5%、碾(nian)壓混凝(ning)土砂(sha)(sha)(sha)石(shi)(shi)(shi)粉(fen)(fen)(fen)含(han)量(liang)(liang)(liang)要(yao)(yao)求為20%,石(shi)(shi)(shi)粉(fen)(fen)(fen)含(han)量(liang)(liang)(liang)要(yao)(yao)求比較高(gao)。根(gen)(gen)據工(gong)程(cheng)經(jing)驗,砂(sha)(sha)(sha)巖(yan)制(zhi)砂(sha)(sha)(sha)對(dui)設備的(de)(de)磨損大,且產砂(sha)(sha)(sha)量(liang)(liang)(liang)低(di),成品砂(sha)(sha)(sha)品質(zhi)(zhi)(zhi)難(nan)(nan)以保證(zheng),人工(gong)砂(sha)(sha)(sha)采用(yong)常規方(fang)式(shi)生產后石(shi)(shi)(shi)粉(fen)(fen)(fen)含(han)量(liang)(liang)(liang)不足,一般不滿足要(yao)(yao)求,故保證(zheng)人工(gong)砂(sha)(sha)(sha)質(zhi)(zhi)(zhi)量(liang)(liang)(liang)和(he)滿足石(shi)(shi)(shi)粉(fen)(fen)(fen)含(han)量(liang)(liang)(liang)要(yao)(yao)求是關(guan)鍵(jian)工(gong)藝環節。 怎么保證(zheng)石(shi)(shi)(shi)粉(fen)(fen)(fen)含(han)量(liang)(liang)(liang)? (1)根(gen)(gen)據工(gong)程(cheng)經(jing)驗,制(zhi)砂(sha)(sha)(sha)機(ji)制(zhi)砂(sha)(sha)(sha)經(jing)過篩分(fen)沖(chong)洗后石(shi)(shi)(shi)粉(fen)(fen)(fen)流失量(liang)(liang)(liang)很大,難(nan)(nan)以滿足成品砂(sha)(sha)(sha)石(shi)(shi)(shi)粉(fen)(fen)(fen)含(han)量(liang)(liang)(liang)要(yao)(yao)求。因此第3 篩分(fen)車間(jian)采用(yong)干法生產,以避(bi)免(mian)石(shi)(shi)(shi)粉(fen)(fen)(fen)流失。 (2)設計(ji)專門的(de)(de)石(shi)(shi)(shi)粉(fen)(fen)(fen)生產車間(jian)