工程服務熱線
返回頂部熱(re)(re)(re)拌(ban)的瀝青(qing)(qing)(qing)混(hun)合(he)料(liao)宜在集(ji)(ji)(ji)中地點用(yong)(yong)(yong)(yong)機(ji)(ji)械拌(ban)制(zhi)。一般選(xuan)用(yong)(yong)(yong)(yong)固定式熱(re)(re)(re)拌(ban)廠，在線(xian)路(lu)(lu)較長時(shi)(shi)宜選(xuan)用(yong)(yong)(yong)(yong)移(yi)動式熱(re)(re)(re)拌(ban)機(ji)(ji)。冷(leng)拌(ban)的瀝青(qing)(qing)(qing)混(hun)合(he)料(liao)可(ke)以集(ji)(ji)(ji)中拌(ban)和(he)，也可(ke)就地路(lu)(lu)拌(ban)。瀝青(qing)(qing)(qing)拌(ban)和(he)廠的主要設(she)備(bei)包括:瀝青(qing)(qing)(qing)加熱(re)(re)(re)鍋、砂石貯存(cun)處、礦粉倉(cang)、加熱(re)(re)(re)滾筒、拌(ban)和(he)機(ji)(ji)及(ji)稱量設(she)備(bei)、蒸汽鍋爐、瀝青(qing)(qing)(qing)泵及(ji)管道、除塵設(she)施等，有(you)些還有(you)熱(re)(re)(re)集(ji)(ji)(ji)料(liao)的重(zhong)新分篩和(he)貯存(cun)設(she)備(bei)(見瀝青(qing)(qing)(qing)混(hun)合(he)料(liao)拌(ban)和(he)基(ji)地)。拌(ban)和(he)機(ji)(ji)又可(ke)分為連續式和(he)分批式兩大類。在制(zhi)備(bei)工(gong)藝上，過去多采用(yong)(yong)(yong)(yong)先將砂石料(liao)烘(hong)干加熱(re)(re)(re)后(hou)，再(zai)與熱(re)(re)(re)瀝青(qing)(qing)(qing)和(he)冷(leng)的礦粉拌(ban)和(he)。又發展一種先用(yong)(yong)(yong)(yong)熱(re)(re)(re)瀝青(qing)(qing)(qing)拌(ban)好濕(shi)集(ji)(ji)(ji)料(liao)，然后(hou)再(zai)加熱(re)(re)(re)拌(ban)勻的方(fang)法，以消(xiao)除因集(ji)(ji)(ji)料(liao)在加熱(re)(re)(re)和(he)烘(hong)干時(shi)(shi)飛灰(hui)。采用(yong)(yong)(yong)(yong)后(hou)一種工(gong)藝時(shi)(shi)，要防止殘留在混(hun)合(he)料(liao)中的水(shui)分影響瀝青(qing)(qing)(qing)混(hun)凝土使用(yong)(yong)(yong)(yong)壽命，能同時(shi)(shi)采用(yong)(yong)(yong)(yong)瀝青(qing)(qing)(qing)抗剝(bo)落劑，以增(zeng)強抗水(shui)能力。
