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      直線振動篩利用振動電機激振作為振動動力來源,使物料在篩網(wǎng)上被拋起,同時向前作直線運動,物料從給料機均勻地進(jìn)入篩分機的進(jìn)料口,通過多層篩網(wǎng)產(chǎn)生數(shù)種規(guī)格的篩上物、篩下物、分別從各自的出口排出。具有耗能低、產(chǎn)量高、結(jié)構(gòu)簡單、易維修、全封閉結(jié)構(gòu),無粉塵溢散,自動排料,更適合于流水線作業(yè)。直線振動篩亦可對粉狀、顆粒狀物料的篩選和分級,廣泛應(yīng)用于塑料、磨料、化工、醫(yī)藥、建材、糧食、炭素、化肥等行業(yè)。
      直線振動篩在篩分過程中排料緩慢,或不排料,一般會認(rèn)為這是直線振動篩的問題,而實際上,直線振動篩慢出料的根本原因是直線振動篩的振源——振動電機。為了知道為何是振動電機引起排料慢的問題,我們首先需要了解振動電機的工作原理。
      直線振動篩的振動電機是由上下兩個重錘(偏心塊)組合而成的,兩個重錘在工作時其轉(zhuǎn)子不平衡,轉(zhuǎn)子平測量在容許值范圍內(nèi)時馬達(dá)運行正常,當(dāng)平測量超過允許值范圍時,將導(dǎo)致振動,不平度測量越大振動越大。
      如今大家應(yīng)該可以理解出料慢的根本原因了,現(xiàn)在就一起來了解一下吧!
1、增加重錘(偏心塊)重量。偏心塊重量增加,整機激振力增加,根據(jù)振動篩分機的層數(shù)、物料比重等不同,適當(dāng)增加偏心塊重量,可使篩分機達(dá)到理想的篩分效果。
2、改變上下重錘的夾角,可使物料在篩網(wǎng)上的運動軌跡和停留時間發(fā)生變化,夾角越大產(chǎn)生的偏心力越小,物料在篩網(wǎng)上的停留時間越長,篩分越細(xì),出料也相應(yīng)地變慢,反之,夾角越小產(chǎn)生的偏心力越大,物料在篩網(wǎng)上停留時間越短,出料也變快。
     直線振動篩在出廠時設(shè)置相同,因此用戶應(yīng)根據(jù)自己對物料性質(zhì)的了解情況,來調(diào)整偏心塊之間的夾角,使物料的分配、處理量、分離效率、過網(wǎng)率等各種變化,使之達(dá)到理想狀態(tài)。找出比較適合自己物料篩分的角度,可使篩分效率較大化。

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