螺(luo)旋輸送機生產(chan)廠家 不(bu)挑(tiao)物料,不(bu)挑(tiao)場景,可非標(biao)定(ding)制
發布時(shi)間:2021-11-06 15:50:53 作 者:admin 原創文章://ftyxk.cn/news/395.html
管式螺旋輸送機俗稱絞龍,是一種用于短距離水平或垂直方面輸送散體物料的連續性輸送機械。其主要特點是:結構簡單、外形尺寸小、造價低、密封性好、可實現多點進卸料、對物料有攪拌混合作用,但其輸送距離小,葉片和機殼易磨損,能耗較高,對物料破碎作用較強。根據其結構特點和性能,管式螺旋輸送機通常用(yong)于糧油、飼料(liao)加(jia)工(gong)(gong)廠生產工(gong)(gong)藝過(guo)程中物料(liao)的(de)(de)(de)(de)輸(shu)(shu)(shu)(shu)送(song)(song)(song)。但應(ying)(ying)注(zhu)意,它不宜(yi)輸(shu)(shu)(shu)(shu)送(song)(song)(song)大(da)塊的(de)(de)(de)(de)、含纖維(wei)性雜質較(jiao)多的(de)(de)(de)(de)、磨(mo)損性很強、易破碎(sui)或易粘結的(de)(de)(de)(de)物料(liao),以(yi)免造成堵塞和(he)物料(liao)的(de)(de)(de)(de)破碎(sui)。按安裝形式(shi)(shi)(shi)(shi)管式(shi)(shi)(shi)(shi)螺(luo)旋(xuan)(xuan)輸(shu)(shu)(shu)(shu)送(song)(song)(song)機(ji)(ji)可分為(wei)固定(ding)(ding)(ding)式(shi)(shi)(shi)(shi)和(he)移動式(shi)(shi)(shi)(shi),按輸(shu)(shu)(shu)(shu)送(song)(song)(song)方向(xiang)(xiang)(xiang)或工(gong)(gong)作(zuo)轉(zhuan)(zhuan)速(su)(su)(su)可分為(wei)水(shui)平(ping)慢速(su)(su)(su)和(he)垂直(zhi)快速(su)(su)(su)兩種,工(gong)(gong)程實際中較(jiao)常用(yong)的(de)(de)(de)(de)為(wei)固定(ding)(ding)(ding)式(shi)(shi)(shi)(shi)、水(shui)平(ping)慢速(su)(su)(su)管式(shi)(shi)(shi)(shi)螺(luo)旋(xuan)(xuan)輸(shu)(shu)(shu)(shu)送(song)(song)(song)機(ji)(ji)。螺(luo)旋(xuan)(xuan)軸(zhou)的(de)(de)(de)(de)轉(zhuan)(zhuan)速(su)(su)(su)對輸(shu)(shu)(shu)(shu)送(song)(song)(song)量(liang)(liang)有較(jiao)大(da)的(de)(de)(de)(de)影響。一(yi)(yi)般(ban)說來,螺(luo)旋(xuan)(xuan)軸(zhou)轉(zhuan)(zhuan)速(su)(su)(su)加(jia)快,輸(shu)(shu)(shu)(shu)送(song)(song)(song)機(ji)(ji)的(de)(de)(de)(de)生產能力提高(gao),轉(zhuan)(zhuan)速(su)(su)(su)過(guo)小則使輸(shu)(shu)(shu)(shu)送(song)(song)(song)機(ji)(ji)的(de)(de)(de)(de)輸(shu)(shu)(shu)(shu)送(song)(song)(song)量(liang)(liang)下降。但轉(zhuan)(zhuan)速(su)(su)(su)也不宜(yi)過(guo)高(gao),因為(wei)當(dang)轉(zhuan)(zhuan)速(su)(su)(su)超過(guo)一(yi)(yi)定(ding)(ding)(ding)的(de)(de)(de)(de)極限(xian)值時(shi),物料(liao)會因為(wei)離(li)心(xin)力過(guo)大(da)而向(xiang)(xiang)(xiang)外拋,以(yi)致無法輸(shu)(shu)(shu)(shu)送(song)(song)(song)。所以(yi)還需要對轉(zhuan)(zhuan)速(su)(su)(su)n進行(xing)一(yi)(yi)定(ding)(ding)(ding)的(de)(de)(de)(de)限(xian)定(ding)(ding)(ding),不能超過(guo)某一(yi)(yi)極限(xian)值。當(dang)位(wei)于螺(luo)旋(xuan)(xuan)外徑處的(de)(de)(de)(de)物料(liao)顆(ke)粒(li)不產生垂直(zhi)于輸(shu)(shu)(shu)(shu)送(song)(song)(song)方向(xiang)(xiang)(xiang)的(de)(de)(de)(de)徑向(xiang)(xiang)(xiang)運動時(shi),則它所受慣性離(li)心(xin)力的(de)(de)(de)(de)大(da)值與其自身重(zhong)力之間(jian)應(ying)(ying)有如下關系:mω2maxr≤mg式(shi)(shi)(shi)(shi)中:K——物料(liao)的(de)(de)(de)(de)綜合系數;g——重(zhong)力加(jia)速(su)(su)(su)度(m/s2);nmax——螺(luo)旋(xuan)(xuan)的(de)(de)(de)(de)大(da)轉(zhuan)(zhuan)速(su)(su)(su),即臨界轉(zhuan)(zhuan)速(su)(su)(su)(r/min)。式(shi)(shi)(shi)(shi)中:A——物料(liao)的(de)(de)(de)(de)綜合特(te)性系數。因此,管式(shi)(shi)(shi)(shi)螺(luo)旋(xuan)(xuan)輸(shu)(shu)(shu)(shu)送(song)(song)(song)機(ji)(ji)的(de)(de)(de)(de)螺(luo)旋(xuan)(xuan)轉(zhuan)(zhuan)速(su)(su)(su)應(ying)(ying)根據物料(liao)輸(shu)(shu)(shu)(shu)送(song)(song)(song)量(liang)(liang)、螺(luo)旋(xuan)(xuan)直(zhi)徑和(he)物料(liao)的(de)(de)(de)(de)特(te)性而定(ding)(ding)(ding),在滿足輸(shu)(shu)(shu)(shu)送(song)(song)(song)量(liang)(liang)要求(qiu)的(de)(de)(de)(de)前(qian)提下,螺(luo)旋(xuan)(xuan)轉(zhuan)(zhuan)速(su)(su)(su)不宜(yi)過(guo)高(gao),更不允許超過(guo)它的(de)(de)(de)(de)臨界轉(zhuan)(zhuan)速(su)(su)(su),即:n≤nmax (7)式(shi)(shi)(shi)(shi)中:n——螺(luo)旋(xuan)(xuan)的(de)(de)(de)(de)實際轉(zhuan)(zhuan)速(su)(su)(su)(r/min)。
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