密煉機一(yi)段混(hun)(hun)煉(lian)法是通過一(yi)次性將配(pei)(pei)合(he)(he)劑(ji)(ji)加(jia)入(ru)生膠(jiao)的(de)(de)(de)混(hun)(hun)煉(lian)方法，一(yi)般用(yong)于焦燒(shao)性能良好(hao)、不含活性配(pei)(pei)合(he)(he)劑(ji)(ji)的(de)(de)(de)生膠(jiao)，混(hun)(hun)煉(lian)時(shi)膠(jiao)料的(de)(de)(de)溫(wen)度不能上(shang)升太快(kuai)(kuai)，所(suo)以(yi)(yi)密煉(lian)機(ji)需(xu)要(yao)(yao)進行一(yi)段低速(su)混(hun)(hun)煉(lian)，需(xu)要(yao)(yao)依次往塑煉(lian)好(hao)的(de)(de)(de)生加(jia)中加(jia)入(ru)配(pei)(pei)合(he)(he)劑(ji)(ji)（硫化(hua)劑(ji)(ji)、操作(zuo)油、促進劑(ji)(ji)也要(yao)(yao)加(jia)入(ru)），膠(jiao)料的(de)(de)(de)混(hun)(hun)煉(lian)時(shi)間需(xu)要(yao)(yao)根據膠(jiao)料的(de)(de)(de)特性與密煉(lian)機(ji)轉(zhuan)子(zi)的(de)(de)(de)轉(zhuan)速(su)確定，密煉(lian)機(ji)混(hun)(hun)煉(lian)結束前60s內才可(ke)加(jia)入(ru)硫化(hua)劑(ji)(ji)和促進劑(ji)(ji)，也可(ke)以(yi)(yi)在(zai)下一(yi)工藝中的(de)(de)(de)開煉(lian)機(ji)上(shang)加(jia)入(ru)，為防止膠(jiao)料焦燒(shao)混(hun)(hun)煉(lian)膠(jiao)的(de)(de)(de)溫(wen)度需(xu)要(yao)(yao)控制在(zai)110℃以(yi)(yi)下，不同(tong)的(de)(de)(de)硫化(hua)體系需(xu)根據情況(kuang)調整(zheng)。對于不易(yi)分散的(de)(de)(de)配(pei)(pei)合(he)(he)劑(ji)(ji)可(ke)以(yi)(yi)制成各種母膠(jiao)顆粒方便更快(kuai)(kuai)速(su)的(de)(de)(de)混(hun)(hun)合(he)(he)。

密(mi)煉(lian)(lian)(lian)機(ji)混(hun)(hun)煉(lian)(lian)(lian)加料投入(ru)順序(xu)、混(hun)(hun)煉(lian)(lian)(lian)溫(wen)度(du)、混(hun)(hun)煉(lian)(lian)(lian)時間(jian)需(xu)要(yao)根據(ju)工(gong)藝條(tiao)件要(yao)求控(kong)制，同時還有密(mi)煉(lian)(lian)(lian)機(ji)上頂栓(shuan)壓力與(yu)(yu)混(hun)(hun)煉(lian)(lian)(lian)過程中的位置需(xu)要(yao)注意。一段混(hun)(hun)煉(lian)(lian)(lian)法用于硫化速度(du)相對(dui)較慢的膠(jiao)(jiao)料，對(dui)于高(gao)填充、高(gao)粘度(du)與(yu)(yu)高(gao)硬度(du)的混(hun)(hun)煉(lian)(lian)(lian)膠(jiao)(jiao)料需(xu)要(yao)特別注意，可(ke)將膠(jiao)(jiao)料從密(mi)煉(lian)(lian)(lian)機(ji)排出后通過開煉(lian)(lian)(lian)機(ji)充分降(jiang)溫(wen)再加入(ru)硫化劑(ji)與(yu)(yu)促進(jin)劑(ji)。

二(er)段(duan)混煉(lian)(lian)(lian)(lian)(lian)和一段(duan)混煉(lian)(lian)(lian)(lian)(lian)大致一樣，不(bu)同處為不(bu)含有硫化(hua)劑(ji)(ji)(ji)與活性大的(de)(de)(de)促進(jin)劑(ji)(ji)(ji)，密煉(lian)(lian)(lian)(lian)(lian)機(ji)首先制(zhi)成母膠(jiao)(jiao)，然后下(xia)片(pian)冷卻停放一定時(shi)間，為了炭黑在(zai)(zai)橡(xiang)膠(jiao)(jiao)中更好(hao)的(de)(de)(de)分(fen)散，提(ti)高生(sheng)產效率(lv)通(tong)常(chang)密煉(lian)(lian)(lian)(lian)(lian)機(ji)采用快速來制(zhi)備母煉(lian)(lian)(lian)(lian)(lian)膠(jiao)(jiao)，也(ye)可以(yi)(yi)將(jiang)母煉(lian)(lian)(lian)(lian)(lian)膠(jiao)(jiao)制(zhi)備與塑煉(lian)(lian)(lian)(lian)(lian)過程一起進(jin)行(xing)，密煉(lian)(lian)(lian)(lian)(lian)機(ji)的(de)(de)(de)二(er)段(duan)混煉(lian)(lian)(lian)(lian)(lian)是在(zai)(zai)一段(duan)混煉(lian)(lian)(lian)(lian)(lian)的(de)(de)(de)基礎上(shang)再加入(ru)硫化(hua)劑(ji)(ji)(ji)、促進(jin)劑(ji)(ji)(ji)等(deng)等(deng)剩余配合劑(ji)(ji)(ji)進(jin)行(xing)混煉(lian)(lian)(lian)(lian)(lian)，二(er)段(duan)混煉(lian)(lian)(lian)(lian)(lian)不(bu)一定要在(zai)(zai)密煉(lian)(lian)(lian)(lian)(lian)上(shang)進(jin)行(xing)，開煉(lian)(lian)(lian)(lian)(lian)機(ji)上(shang)也(ye)可進(jin)行(xing)二(er)段(duan)混煉(lian)(lian)(lian)(lian)(lian)。常(chang)見用密煉(lian)(lian)(lian)(lian)(lian)機(ji)慢速混煉(lian)(lian)(lian)(lian)(lian)，以(yi)(yi)便于在(zai)(zai)較低的(de)(de)(de)溫度下(xia)加入(ru)硫化(hua)劑(ji)(ji)(ji)和促進(jin)劑(ji)(ji)(ji)，提(ti)高生(sheng)產效率(lv)，密煉(lian)(lian)(lian)(lian)(lian)機(ji)二(er)段(duan)混煉(lian)(lian)(lian)(lian)(lian)2-4分(fen)鐘即可完成。