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雷蒙磨粉機(jī)常見問題處理方法

時(shí)間:2011/11/24閱讀:1115
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乾思生物編輯整理:
雷蒙磨的基本結(jié)構(gòu) 
1.雷蒙磨基本結(jié)構(gòu)。雷蒙磨粉機(jī)是由三組滾子、磨環(huán)及攪拌犁組成,附屬設(shè)備由一臺(tái)向磨粉腔鼓風(fēng)的風(fēng)機(jī)及一臺(tái)向三個(gè)滾子懸軸內(nèi)腔送風(fēng)的小風(fēng)機(jī)組成。三組滾子懸掛在旋轉(zhuǎn)托架上,旋轉(zhuǎn)托架的轉(zhuǎn)動(dòng)帶動(dòng)三組滾子在磨環(huán)上滾動(dòng);旋轉(zhuǎn)托架由電機(jī)經(jīng)皮帶輪、傘齒輪副帶動(dòng)。煅后石油焦進(jìn)入磨粉腔后,不斷被滾壓成粉料后,隨鼓風(fēng)流向集粉倉。傘齒輪箱的潤滑泵壓力為550~870kPa,對(duì)傘齒輪副強(qiáng)制潤滑。三組滾子的潤滑原設(shè)計(jì)是由小風(fēng)機(jī)向懸軸腔傳送帶潤滑油滴的連續(xù)風(fēng)潤滑。
2.雷蒙磨使用特點(diǎn):
(1)主要部件作業(yè)環(huán)境風(fēng)流大、粉塵大;
(2)滾子和磨環(huán)是磨損元件,應(yīng)滿足一定的使用周期;
(3)滾子工作溫度在120~150℃,潤滑狀態(tài)應(yīng)穩(wěn)定。 
雷蒙磨粉機(jī)常見故障 
(1)潤滑泵給油不暢;
(2)連接滾子組件的風(fēng)管磨穿;
(3)雷蒙磨粉機(jī)電流過大。懸軸部件經(jīng)常發(fā)生滾子轉(zhuǎn)不動(dòng),電流高達(dá)250-160A(正常180-200A);
(4)攪拌犁易磨損;
(5)傳動(dòng)大皮帶輪漏油嚴(yán)重;
(6)磨粉腔聲音異常,滾子在磨環(huán)上有撞擊聲;
(7)滾子和磨環(huán)不正常的磨損。滾子表面易磨成凹型面,有時(shí)發(fā)現(xiàn)有高低不平的條紋出現(xiàn),磨環(huán)也出現(xiàn)凹型磨面。
雷蒙磨粉機(jī)原因分析 
1.磨粉腔,經(jīng)停機(jī)打開磨粉腔,用手動(dòng)盤車發(fā)現(xiàn)有的滾子時(shí)轉(zhuǎn)時(shí)而不轉(zhuǎn)、滾子及磨環(huán)有崩塊。分析是滾子軸承潤滑不良造成。
2.懸軸部件,經(jīng)解體發(fā)現(xiàn)懸軸的滑動(dòng)軸承抱死,懸軸腔內(nèi)有大量的油泥。原因是出風(fēng)口間隙過大,懸軸內(nèi)腔的氣壓小于磨粉腔的氣壓,使粉塵進(jìn)入懸軸腔內(nèi)。 
 

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