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  滾筒篩沙機廣泛應(yīng)用于各類物料篩分,無論是劣質(zhì)煤、煤泥、還是煙煤以及其它類物料,都可順利進行篩分,是耐火材料、煤、河砂分級、砂石塊分級中經(jīng)常使用的設(shè)備。常被用于化工、食品、采礦、飼料、造紙、制糖等細粉狀原料的強力篩選、分級作業(yè),尤其適用于重質(zhì)純堿、輕質(zhì)純堿、石英砂、塑料粉、炭黑、活性炭、樹脂粉、各種糖粉、冶金粉末等。
滾筒篩
  滾筒篩筒體的安裝傾角
  滾筒篩筒體的安裝傾角直接影響物料在筒體內(nèi)完成一個循環(huán)運動時沿軸向前進的距離,從而影響物料在滾筒篩內(nèi)的停留時間、滾筒篩的產(chǎn)能、篩分效率等。在筒體長度和轉(zhuǎn)速一定的情況下,傾角的增加使物料前進方向的傾斜度增加,從而增大了料床沿前進方向的重量分力,使軸向的拋落分速度或滑落分速度加大,從而使整體的平均截面速度加快,縮短了物料的停留時間,提高了物料的通過量。
滾筒篩
  1.但如果安裝傾角過大,物料在筒體內(nèi)的運動循環(huán)次數(shù)減少,降低了篩分效率。
  2.傾角較小時,需要提高筒體轉(zhuǎn)速以保證處理能力,物料在筒體內(nèi)的循環(huán)翻滾次數(shù)增多,有利于物料的篩分。根據(jù)國內(nèi)外已有的資料,滾筒篩筒體的安裝傾角在5°~15°較為適宜。本滾筒篩的安裝傾角確定為7°。
  滾筒篩的驅(qū)動功率與篩筒體的重量、篩分物料的特性、填充率等因素有關(guān)。取電機功率為37kW。滾筒篩的主要結(jié)構(gòu)和技術(shù)參數(shù)通過計算和相關(guān)考證,確定了本項目物料滾筒篩的主要結(jié)構(gòu)和技術(shù)參數(shù)如下:規(guī)格Φ3m(有效直徑) × 10 m(有效長度);處理量:40~45t/h;篩選粒度:60mm;篩筒傾斜度:7°;篩筒轉(zhuǎn)速:4~20r/min(調(diào)速);傳動電機功率:37kW。
  滾筒篩設(shè)備結(jié)構(gòu)特點滾筒篩主要由筒體、傳動裝置、殼體及篩下料斗、篩上料斗、支架共五大部分組成。其整體與地面成傾斜狀態(tài),通過變速減速系統(tǒng)使篩分筒在一定轉(zhuǎn)速下旋轉(zhuǎn),物料自上而下通過篩分筒得到分離,細料從篩分筒前端下部排出,粗料從篩分筒下端尾部排出。
滾筒篩
  滾筒篩具有運轉(zhuǎn)緩慢均勻、沖擊振動筒體部分結(jié)構(gòu)特點筒體部分由進料筒、框架、篩板、破袋刀、揚料板、出料筒等組成,料筒內(nèi)部設(shè)計可更換式襯筒,襯筒和外筒螺栓相聯(lián)接,襯筒受腐蝕或磨損破壞后可方便更換。襯筒內(nèi)帶有螺旋導(dǎo)流片,在滾筒篩旋轉(zhuǎn)中將物料袋引到進入筒體內(nèi)部。這種設(shè)計防止物料可能在筒壁上打滑而堆積在進料口,又可防止物料可能過速進入筒體,降低在筒體內(nèi)的停留時間,從而影響分離效率。
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