1、模輥間隙
模mo輥gun間jian隙xi太tai大da,使shi模mo輥gun間jian的de料liao層ceng過guo厚hou且qie分fen布bu不bu均jun勻yun,壓ya輥gun易yi打da滑hua。一yi旦dan模mo輥gun對dui物wu料liao的de擠ji壓ya力li小xiao於yu模mo孔kong內nei壁bi對dui物wu料liao的de阻zu力li,物wu料liao被bei擠ji不bu出chu去qu就jiu產chan生sheng堵du機ji。為wei減jian少shao堵du機ji,生sheng產chan中zhong要yao調tiao節jie模mo輥gun間jian隙xi為wei0.05mm。0.3mm,jiuxiangdangyuyizhangsiliaobiaoqianzhidehoudu,tiaojieshiyiyagunhehuanmosikaofeikao,huanmozhuandongshiganghaonengbayagundaidong,qiefangyuhuanmoyuyagunzhijiandesiliaobiaoqianbubeizhapo,jinyouqingweiyahenweihao。
2、環模開孔率
環模開孔率低,光潔度差,物料出模阻力大,製粒速度慢。喂料速度稍有變化就堵機。為減少環模帶來的堵機,首先環模的開孔率要在90%以上。這就要求每次製粒完畢後,製粒人員要用含油脂20%的油料清理模孔5次~10次,讓油料代替原物料填進環模內,以防模孔內容物變硬,便於下次開機生產時環模能順利出料。對於開孑L率低的環模,可用鑽子輕輕打出,實在打不出的,可將環模放在熱機油中浸泡,待模孔膨大後再清理內容物;其(qi)次(ci),要(yao)保(bao)證(zheng)模(mo)孔(kong)足(zu)夠(gou)的(de)光(guang)潔(jie)度(du),這(zhe)一(yi)點(dian)主(zhu)要(yao)是(shi)針(zhen)對(dui)未(wei)拋(pao)光(guang)的(de)新(xin)環(huan)模(mo)而(er)言(yan)的(de)。因(yin)為(wei)新(xin)環(huan)模(mo)模(mo)孔(kong)中(zhong)留(liu)有(you)的(de)金(jin)屬(shu)屑(xie)及(ji)氧(yang)化(hua)物(wu),製(zhi)粒(li)時(shi)物(wu)料(liao)通(tong)過(guo)模(mo)孔(kong)的(de)阻(zu)力(li)大(da),且(qie)製(zhi)出(chu)的(de)顆(ke)粒(li)表(biao)麵(mian)不(bu)光(guang)滑(hua)易(yi)斷(duan)裂(lie),飼(si)料(liao)質(zhi)量(liang)差(cha)。因(yin)此(ci)新(xin)環(huan)模(mo)必(bi)須(xu)進(jin)行(xing)拋(pao)光(guang)處(chu)理(li),增(zeng)加(jia)內(nei)模(mo)的(de)光(guang)滑(hua)度(du),同(tong)時(shi)也(ye)是(shi)為(wei)了(le)增(zeng)加(jia)模(mo)孑(jie)L的開孔率j對新環模進行拋光處理時,可將50kg~100kg的油砂料(細砂10%,豆粕10%,米糠70%,油脂10%),投入到安裝新環模的顆粒機中拋光至顆粒出模時比較鬆散,一般要拋光30min~60min。
3、蒸汽質量蒸汽質量差,使物料出調質器時水分太大,進顆粒機時易堵塞模孔,壓輥打滑,造成堵機。具體表現在:①蒸汽壓力不夠,含水率高,易使物料吸水太多,同時壓力低時,物料被調質時的溫度也低,澱粉不能很好地糊化,製粒效果差;②蒸汽壓力不穩定-i忽hu高gao忽hu低di,製zhi粒li人ren員yuan要yao隨sui時shi調tiao節jie喂wei料liao量liang,使shi蒸zheng汽qi量liang達da到dao最zui佳jia水shui平ping,製zhi粒li時shi稍shao不bu注zhu意yi就jiu會hui使shi物wu料liao出chu調tiao質zhi器qi時shi水shui分fen太tai高gao。為wei減jian少shao蒸zheng汽qi質zhi量liang造zao成cheng的de堵du機ji次ci數shu。鍋guo爐lu房fang要yao提ti供gong優you質zhi穩wen定ding的de幹gan飽bao和he蒸zheng汽qi,保bao證zheng蒸zheng汽qi壓ya力li在zai0. 2MPa~0.4MPa,溫度在1200LC ~160qC。蒸氣壓力變化幅度不超過0. 05MPa.同時製粒人員要提高調質水平,使物料出調質器時,水分在15. 5%.17%之間,不要超過18%。生產中製粒人員要隨時抽查調質後的物料水分,具體方法為抓一把出調質器的物料以手握成團,鬆手剛好散開為宜。
4、調質手段
shengchanhanruqingfen,dairufen,shutangderuzhusiliao,bucaiyongxiangyingdetiaozhishouduanyeyiduji。zhejizhongyuanliaoxishixingnengqiang,qieyugaowenyijiaohua,zhilishicaiyonggaowentiaozhi,tiaozhihoudewuliaojiyidusaimokong,erqiezhexiewuliaozaimogunzhijianyijiekuai,zaochengduji。yincishengchanhanruqingfen,dairufen,shutangderuzhuliaoyaocaiyong“低溫高速”的製粒方法,具體來說就是調質時保證物料溫度在65℃~75℃,製粒速度加快。
5、蒸汽量添加
每mei天tian生sheng產chan第di一yi批pi飼si料liao或huo每mei個ge品pin種zhong的de製zhi粒li開kai始shi,由you於yu蒸zheng汽qi量liang添tian加jia不bu當dang,使shi物wu料liao調tiao質zhi後hou水shui分fen偏pian大da也ye易yi堵du機ji。為wei此ci每mei天tian開kai機ji生sheng產chan第di一yi批pi料liao時shi,要yao打da開kai調tiao質zhi器qi蓋gai子zi,從cong調tiao質zhi器qi放fang出chu係xi統tong中zhong殘can留liu的de冷leng凝ning水shui,然ran後hou打da開kai調tiao質zhi絞jiao龍long放fang出chu適shi量liang的de物wu料liao均jun勻yun稀xi釋shi放fang出chu的de部bu分fen冷leng凝ning水shui,再zai蓋gai好hao蓋gai子zi,添tian加jia適shi量liang蒸zheng汽qi濕shi潤run就jiu可ke進jin入ru生sheng產chan。對dui於yu每mei批pi料liao生sheng產chan的de開kai始shi,按an正zheng常chang的de操cao作zuo規gui程cheng,在zai物wu料liao剛gang下xia時shi切qie勿wu急ji於yu加jia蒸zheng汽qi,因yin為wei此ci時shi物wu料liao少shao,難nan將jiang蒸zheng汽qi量liang控kong製zhi在zai適shi宜yi範fan圍wei內nei,若ruo蒸zheng汽qi多duo物wu料liao少shao就jiu很hen容rong易yi堵du機ji,要yao等deng物wu料liao加jia到dao一yi定ding量liang時shi再zai緩huan慢man增zeng加jia蒸zheng汽qi量liang,直zhi至zhi正zheng常chang生sheng產chan;
6、堵機
shengchanzhongruyudaoduji,yaogenjushijiqingkuanglinghuochuli,ruguoshiqingweiduji,kewangjiekuaideliaocengshangjiaoyicengyou,dengyouzhichongfenjinrunwuliaohoukaiji,zheyangshiwuliaomanmanbeijichuqu。ruguodujihenyanzhong,yongshangshufangfabuguanyong,jiubunengduocichangshijianqiangzhiqidongkeliji,yifangzhudianjishaohui,cishizhiyoutiaodamogunjianxi,yongchanziqingchuliaoceng,zaitiaojiemogunjianxishengchan。
三門峽富通新能源銷售木屑顆粒機、秸稈顆粒機等生物質成型機械設備。



