粉體的運輸方式也分為多種形式。根據輸送載體的不同,粉體氣力輸送可分為(wei)干(gan)法(fa)和濕法(fa)兩種形式。
首先(xian)我(wo)們來(lai)(lai)說(shuo)說(shuo)濕式輸(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)方(fang)式。該方(fang)法是(shi)指利用(yong)液壓或其他(ta)液體漿(jiang)(jiang)體來(lai)(lai)輸(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)物(wu)料(liao),是(shi)通(tong)過(guo)(guo)漿(jiang)(jiang)體或液壓動力來(lai)(lai)輸(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)物(wu)料(liao)的(de)一(yi)種(zhong)形(xing)式。一(yi)般情況(kuang)下,管(guan)道用(yong)于輸(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)顆粒狀物(wu)料(liao)和水的(de)混合物(wu)。至于干式輸(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)形(xing)式,這(zhe)種(zhong)形(xing)式是(shi)通(tong)過(guo)(guo)保持輸(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)的(de)物(wu)料(liao)處(chu)于干燥(zao)狀態來(lai)(lai)輸(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)粉末。干運(yun)(yun)也是(shi)粉體運(yun)(yun)輸(shu)(shu)(shu)(shu)(shu)(shu)常見的(de)形(xing)式。干貨運(yun)(yun)輸(shu)(shu)(shu)(shu)(shu)(shu)根據運(yun)(yun)輸(shu)(shu)(shu)(shu)(shu)(shu)載體不(bu)同分為三類,即機(ji)械(xie)運(yun)(yun)輸(shu)(shu)(shu)(shu)(shu)(shu)、集裝箱運(yun)(yun)輸(shu)(shu)(shu)(shu)(shu)(shu)和氣力運(yun)(yun)輸(shu)(shu)(shu)(shu)(shu)(shu)。前兩者分別使用(yong)機(ji)械(xie)裝置或承(cheng)載容器(qi),而氣力輸(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)是(shi)指利用(yong)空氣帶動管(guan)道中(zhong)干燥(zao)物(wu)料(liao)移動的(de)輸(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)方(fang)式。粉體輸(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)大多選擇氣力輸(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song),因為氣力輸(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)具有布(bu)置靈(ling)活、衛生條件*、輸(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)效率高、能夠(gou)有效減輕勞動強度等優點。
因此,粉體氣力輸送具(ju)有以(yi)下優點(dian):(1)輸(shu)送(song)管道不占(zhan)用其他設(she)備的(de)空(kong)間(jian),占(zhan)地(di)面積小;(2)管道布置靈活多變,設(she)備投資少(shao),節約成本;(3)清潔、低污(wu)染(ran)、密封系統(tong)通過(guo)廠家設(she)計(ji)人員的(de)**設(she)計(ji),可以(yi)防止環(huan)境(jing)污(wu)染(ran),使整(zheng)個(ge)(ge)系統(tong)不會有太多的(de)粉塵;(4)通過(guo)整(zheng)合運(yun)輸(shu)過(guo)程(cheng),無(wu)需停止原有工藝設(she)備,使整(zheng)個(ge)(ge)流程(cheng)實現(xian)自(zi)動化、集成化,提高(gao)運(yun)輸(shu)效率。(5)操作人員與(yu)運(yun)力(li)無(wu)關(guan),人員配備*少(shao),管理方便(bian);(6)對于(yu)化學性(xing)質不穩定的(de)物料,可采用惰性(xing)氣體進(jin)行輸(shu)送(song)。