【正文】
washer 不良的沖洗 ?Under pressure filters壓濾機(jī) ?Discontinuous不連續(xù) ? Only for low % w/w solids ?只能用以固體百分比低的料漿 ?Counter current decantation傾出工藝 ?Requires high volume of liquid ?要求大量液體 OR EorR A W M ater i alM EC H A N I C A LT R EA T M EN TL EA C H I N GT H I C K EN ER SA CIDU N D E R F L O WL I Q/ SOLSep ar ati o nS O L I DDISP OS A LSEL EC T I VEPR EC I PI T A T I ONO V E R F L O WL I Q U I DL I Q/ SOLSep ar ati o nCONCLUSION 結(jié)論 A questionnary have to be filled but at least, trials would be necessary : 問卷需要填寫,至少,實(shí)驗(yàn)是必要的: ? To optimize the process requirements優(yōu)化工藝要求 ? To give adapted process guarantees提供適合的工藝保證 ? To give adapted mechanical guarantees提供適合的設(shè)備保證 ? To develop customer ’s trust取得用戶的信任 ? To cancel petitions消除競(jìng)爭(zhēng) 。 washer 優(yōu)秀的沖洗 ?RVDF ?171。m a i n t e n a n ce 運(yùn)行和維護(hù)F l o w r a t el e v e l 流量等級(jí)H i g hd e n s i t yp r o d u c t( s o l i d ) 高密度產(chǎn)品Pr i c e l e v e l 價(jià)格水平S e p a r a t i o ne f f i c i e n c y分離效率W a s h i n g o ft h e c a k e 沖洗濾餅D r y i n g o ft h e c a k e 濾餅干燥CONCLUSION 結(jié)論 Even with good experience, we need to know environment of the problem : 即使有豐富的經(jīng)驗(yàn)我們也需要知道一下環(huán)境因素 ?Solids concentration固液比 ? Flow rate流量 ? Granulometry粒徑分布 ? Temperature溫度 ? Viscosity,粘稠度 ? Chemical apsect ( corrosive ? Toxic ?, which material ?)化學(xué)性質(zhì) ? Objectives of the plant ( productivity ?, dryness ? Performance ?) ?工廠的意圖(產(chǎn)量?干燥效果?性能表現(xiàn)?) ? Filter aid ? Floculant ?過濾輔助 ? Allowable space for equipment ?設(shè)備的放置空間 ? Is there a problem for washing liquid supply ?沖洗液是否足夠 ? Is the cake to be dry ? How much ?濾餅需要干燥嗎,什么程度? Example :例如: Hydromet. Process 降壓藥 工藝 Different solutions :不同的工藝方法: ?HVBF ?171。 n2Un de rrflorw n176。 2Thic k . n176。 n1 Thic k . n176。 n2Un de rrflorw n176。 2Thic k . n176。 n1 Thic k . n176。 belt 187。m a i n t e n a n ce 運(yùn)行和維S c r a p e r 刮刀R o l l d i s c h a r g e 輥?zhàn)优欧臩 t r i n g sPre s s r o l l e r s 壓輥Pre c o a tR V D F D i s c 盤Pr i c e l e v e l 價(jià)格水平S e p a r a t i o ne f f i c i e n c y分離效率