石(shi)(shi)(shi)粉(fen)是(shi)(shi)石(shi)(shi)(shi)頭(tou)的(de)粉(fen)末的(de)通稱(cheng)，石(shi)(shi)(shi)頭(tou)的(de)種類很(hen)多，根據礦物成分劃分有(you)很(hen)多品種，并不(bu)一定是(shi)(shi)碳酸鈣(gai)。碳酸鈣(gai)是(shi)(shi)石(shi)(shi)(shi)灰石(shi)(shi)(shi)，只是(shi)(shi)石(shi)(shi)(shi)粉(fen)中(zhong)的(de)一種，石(shi)(shi)(shi)粉(fen)中(zhong)還有(you)滑石(shi)(shi)(shi)粉(fen)，用(yong)作(zuo)制(zhi)作(zuo)膩子。還有(you)石(shi)(shi)(shi)英粉(fen)，用(yong)作(zuo)制(zhi)作(zuo)玻(bo)璃(li)。還有(you)很(hen)多礦物成分的(de)巖(yan)石(shi)(shi)(shi)，都(dou)可以磨成粉(fen)末，用(yong)作(zuo)不(bu)同(tong)的(de)工(gong)藝及用(yong)途(tu)。

石粉直(zhi)(zhi)線(xian)振(zhen)(zhen)(zhen)動(dong)(dong)篩(shai)(shai)(shai)是大漢(han)機械(xie)針對農作(zuo)(zuo)物(wu)篩(shai)(shai)(shai)分行(xing)業研究的直(zhi)(zhi)線(xian)篩(shai)(shai)(shai)分設備。直(zhi)(zhi)線(xian)振(zhen)(zhen)(zhen)動(dong)(dong)篩(shai)(shai)(shai)是振(zhen)(zhen)(zhen)動(dong)(dong)篩(shai)(shai)(shai)的一種，依靠振(zhen)(zhen)(zhen)動(dong)(dong)電機作(zuo)(zuo)為振(zhen)(zhen)(zhen)動(dong)(dong)源，使篩(shai)(shai)(shai)網上的所篩(shai)(shai)(shai)物(wu)料(liao)在(zai)被拋起的同時向前做(zuo)直(zhi)(zhi)線(xian)運(yun)動(dong)(dong)。

大(da)漢(han)牌(pai)石粉直(zhi)線(xian)(xian)篩(shai)(shai)(shai)是在大(da)漢(han)機(ji)械工程師利(li)用(yong)原有國內外先(xian)進(jin)直(zhi)線(xian)(xian)篩(shai)(shai)(shai)生產工藝(yi)基礎上再根據對一線(xian)(xian)直(zhi)線(xian)(xian)篩(shai)(shai)(shai)客(ke)戶使用(yong)情況的跟蹤調查總結(jie)的意(yi)見和建(jian)議(yi)而(er)研(yan)發、改良一款高性能直(zhi)線(xian)(xian)振動(dong)篩(shai)(shai)(shai)分機(ji)，具有技術成熟(shu)、質量(liang)可靠、使用(yong)方便、篩(shai)(shai)(shai)分效率/精度高、處理量(liang)大(da)、篩(shai)(shai)(shai)網使用(yong)壽命(ming)長等特點；大(da)漢(han)DZSF-1020直(zhi)線(xian)(xian)振動(dong)篩(shai)(shai)(shai)適(shi)合篩(shai)(shai)(shai)分各(ge)種物料，可以明顯提高產量(liang)，更適(shi)合對產量(liang)要求大(da)的客(ke)戶選擇(ze)。

直(zhi)線(xian)(xian)篩(shai)(shai)(shai)使用振(zhen)(zhen)(zhen)動(dong)(dong)(dong)電(dian)(dian)機(ji)(ji)作為(wei)振(zhen)(zhen)(zhen)動(dong)(dong)(dong)源(yuan)，采用雙振(zhen)(zhen)(zhen)動(dong)(dong)(dong)電(dian)(dian)機(ji)(ji)驅動(dong)(dong)(dong)，當(dang)兩臺振(zhen)(zhen)(zhen)動(dong)(dong)(dong)電(dian)(dian)機(ji)(ji)做同步、反缶旋(xuan)轉(zhuan)時(shi)，振(zhen)(zhen)(zhen)動(dong)(dong)(dong)電(dian)(dian)機(ji)(ji)偏(pian)心(xin)塊(kuai)所產生的(de)激振(zhen)(zhen)(zhen)力(li)(li)(li)在平(ping)行于振(zhen)(zhen)(zhen)動(dong)(dong)(dong)電(dian)(dian)機(ji)(ji)軸線(xian)(xian)的(de)方向相互抵消，在垂(chui)直(zhi)于振(zhen)(zhen)(zhen)動(dong)(dong)(dong)電(dian)(dian)機(ji)(ji)軸線(xian)(xian)的(de)方向重(zhong)疊為(wei)一合力(li)(li)(li)，因此振(zhen)(zhen)(zhen)動(dong)(dong)(dong)篩(shai)(shai)(shai)機(ji)(ji)的(de)運行軌跡(ji)為(wei)一直(zhi)線(xian)(xian)。兩電(dian)(dian)機(ji)(ji)軸相對(dui)篩(shai)(shai)(shai)面(mian)有一傾角，在激振(zhen)(zhen)(zhen)力(li)(li)(li)和物(wu)(wu)料(liao)(liao)自重(zhong)力(li)(li)(li)的(de)合力(li)(li)(li)下(xia)，物(wu)(wu)料(liao)(liao)在篩(shai)(shai)(shai)面(mian)上被(bei)拋起跳躍式向前做直(zhi)線(xian)(xian)運動(dong)(dong)(dong)，通過各不(bu)同層次篩(shai)(shai)(shai)網篩(shai)(shai)(shai)分多種規格的(de)篩(shai)(shai)(shai)上物(wu)(wu)、篩(shai)(shai)(shai)下(xia)物(wu)(wu)，又(you)從不(bu)同的(de)出料(liao)(liao)口排出，流入料(liao)(liao)倉或盛料(liao)(liao)筒，從而(er)達到(dao)對(dui)物(wu)(wu)料(liao)(liao)進行篩(shai)(shai)(shai)分的(de)目的(de)。