投tou料liao環huan節jie是shi瀝li青qing混hun合he料liao攪jiao拌ban過guo程cheng的de開kai始shi環huan節jie,也ye是shi攪jiao拌ban過guo程cheng中zhong至zhi關guan重zhong要yao的de環huan節jie之zhi一yi,合he理li的de投tou料liao工gong藝yi可ke以yi使shi攪jiao拌ban過guo程cheng順shun利li進jin行xing,對dui瀝li青qing混hun合he料liao均jun勻yun性xing及ji路lu用yong品pin質zhi的de提ti升sheng有you事shi半ban功gong倍bei的de作zuo用yong。一yi般ban來lai講jiang,投tou料liao工gong藝yi包bao括kuo骨gu料liao、瀝青及粉料的投入位置、投料順序及投入時間。

投料環節
雙臥軸瀝青攪拌器是應用最為廣泛的一種機型,其主要特點是生產效率高、成品料品質好。攪拌過程是通過攪拌葉片對混合料的擠壓、拋灑、翻滾和剪切等作用共同完成的,兩根攪拌軸帶動攪拌葉片在攪拌軸交叉區域形成交叉料流,並對物料進行拋灑從而形成“拋沸”效應,加速物料的循環流動,使混合料在短時間內達到均勻。在瀝青混合料的攪拌過程中,骨料、fenliaoheliqingdetouliaoweizhijuedinglehunheliaozaijiaobanqizhongdechushifenbujunyunxing,congeryingxianghunheliaozuizhongjiaobandejunyunxing。fenliaoyouyuyouhendadebiaomianxishu,duiliqingdexifuliqiang,rongyiheliqingzhanjiechengtuan,shuyunanyijiaobandecailiao,yincifenliaotouliaoweizhiduihunheliaodejiaobanjunyunxinghejiaobanxiaolvdouyoujiaodadeyingxiang。helidefenliaotouliaoweizhikeyiyouxiaotigaofenliaochushifenbudejunyunxing,jineryouliyutigaohunheliaodejiaobandejunyunxing。

由(you)於(yu)受(shou)結(jie)構(gou)限(xian)製(zhi)普(pu)遍(bian)采(cai)用(yong)的(de)粉(fen)料(liao)投(tou)料(liao)方(fang)式(shi)有(you)集(ji)中(zhong)投(tou)料(liao)和(he)分(fen)散(san)投(tou)料(liao),集(ji)中(zhong)投(tou)料(liao)主(zhu)要(yao)依(yi)靠(kao)螺(luo)旋(xuan)輸(shu)送(song)到(dao)攪(jiao)拌(ban)缸(gang)的(de)一(yi)個(ge)軸(zhou)端(duan)或(huo)中(zhong)央(yang)然(ran)後(hou)靠(kao)重(zhong)力(li)投(tou)入(ru)。
fenliaojizhongtouliaocunzaidezhuyaowentishi,jiaobanqijiaohuqushiyigeyanjiaobanzhouchangdufangxiangshangdeyigechangfangxingquyu,ercaiyongjizhongtouliaofangshibunengchongfenliyongzhegejiaohuquyudeqiangliededuiliuhejianqieyundong;采用粉料集中投料方式造成粉料初始分布均勻性較差,這就會影響粉料的攪拌均勻性和攪拌時間。
分散投料則主要依靠螺旋(螺旋下部開有數個小口),從攪拌缸的一側投入。
粉fen料liao側ce麵mian分fen散san投tou料liao存cun在zai的de問wen題ti是shi,這zhe種zhong投tou料liao位wei置zhi粉fen料liao投tou料liao區qu域yu雖sui是shi一yi個ge長chang方fang形xing區qu域yu但dan是shi布bu置zhi在zai單dan側ce區qu,這zhe樣yang雖sui然ran可ke以yi充chong分fen利li用yong圍wei流liu作zuo用yong,但dan是shi對dui流liu、剪切作用相對交互區明顯減弱,這也會影響到粉料的攪拌均勻性和攪拌時間。

德(de)基(ji)機(ji)械(xie)的(de)設(she)計(ji)師(shi)們(men)經(jing)過(guo)精(jing)心(xin)設(she)計(ji),能(neng)更(geng)有(you)效(xiao)地(di)利(li)用(yong)雙(shuang)臥(wo)軸(zhou)攪(jiao)拌(ban)器(qi)的(de)兩(liang)軸(zhou)交(jiao)互(hu)作(zuo)用(yong),使(shi)得(de)材(cai)料(liao)投(tou)放(fang)後(hou)的(de)快(kuai)速(su)分(fen)散(san)和(he)進(jin)一(yi)步(bu)均(jun)勻(yun)混(hun)合(he)的(de)效(xiao)率(lv)更(geng)高(gao);同時投放位置沿拌鍋橫向中心對稱布置的結構,提高了各材料相對拌鍋的初始分布均勻性,能實現快速均勻的攪拌。