顆ke粒li膨peng化hua飼si料liao的de加jia工gong實shi質zhi上shang是shi對dui粉fen狀zhuang飼si料liao進jin行xing加jia熱re加jia濕shi加jia壓ya並bing通tong過guo模mo孔kong擠ji出chu的de過guo程cheng。物wu料liao一yi經jing擠ji出chu驟zhou然ran降jiang壓ya,使shi擠ji出chu的de顆ke粒li體ti積ji膨peng大da,從cong而er形xing成cheng膨peng化hua飼si料liao。從cong大da方fang麵mian來lai說shuo,顆ke粒li膨peng化hua飼si料liao的de加jia工gong可ke分fen兩liang大da工gong序xu:yuanliaozhunbeigongxuhechengxingjiqihouxugongxu。yuanliaozhunbeigongxuzhuyaobaokuofensuihehunheliangfangmian,youyupenghuasiliaoduiwuliaodeliduyaoqiujiaogao,daduoshupeifangyaoqiuyuanliaodelidubuxiaoyu40目(個別除外),為了達到這一目的,工藝上大多采用二次粉碎。采用二次粉碎能耗比一次粉碎低,生產率則比一次粉碎要高些。具體工藝安排是:粗粉碎一配料一混合一細粉碎,有些小規模的生產廠也可采用先人工配料,再進行粗粉碎和細粉碎;經過二次粉碎的物料再進行二次混合,此時將不需細粉碎的物料如d澱粉等添加物加入混合機進行攪拌混合,完成原料準備工序。在設備選擇方麵,粗粉碎機最好采用新型的水滴式粉碎機,細粉碎則用無篩自帶分級機的微粉碎機;一級混合的混合機采用普通的臥式混合機就可以了,二次混合時則應使用性能較好的雙軸混合機。
成型及其後續工序主要是將混合好的粉狀飼料製成顆粒,並將顆粒進行幹燥、加油脂、冷卻、篩分、jilianghebaozhuangdengyixilieguocheng。chengxingzhuyaoyoupenghuajilaiwancheng,siliaoxingyezhongjihudoucaiyongjiyapenghua,zhelisuoshuodepenghuajiqishijiushiluoxuanjiyaji。jiyajianqijiegoutediankefenweidanluoganheshuangluoganliangzhong,xianzaizaisiliaoxingyezhongshiyongdeduoshushidanluoganjiyapenghuaji。chengxingzhiliangdehaohuaichuleyuyuanliaodelihuaxingnengyouguanwai,penghuajizonghexingnengdeyingxianggengda,penghuajidezonghexingnengbuhao,shibukenengshengchanchugaopinzhidekelipenghuasiliaode。zaichengxingzheyihuanjie,gongyishangdekaojiubuduo,zhuyaoshigenjushijiqingkuangxuanhaopenghuaji。muqianshiyongjiaoduodeshifapenghuajizhuyaopinpaiyoutaiwande“申川”和“宜大”,美國的“源高”,近期國內也有廠家生產濕法膨化機,但量不大,尚未形成名優品牌。相比之下,“源高”價高質好,國產機性能則不夠台灣機穩定。
膨化後續工藝和部分單機的選用對飼料產品的質量影響較大,與蓄禽飼料的製粒後續工藝相比,膨化飼料的膨化後續工藝更複雜、更重要。顆粒膨化飼料的外形、表麵光潔度、顆ke粒li的de破po損sun程cheng度du等deng指zhi標biao十shi分fen重zhong要yao,要yao盡jin可ke能neng做zuo到dao顆ke粒li大da小xiao均jun勻yun,形xing狀zhuang規gui格ge一yi致zhi,表biao麵mian光guang潔jie度du均jun勻yun,不bu能neng有you光guang暗an麵mian,顆ke粒li盡jin量liang少shao破po損sun,生sheng產chan工gong藝yi和he相xiang關guan設she備bei就jiu顯xian得de很hen重zhong要yao了le。
常(chang)用(yong)的(de)膨(peng)化(hua)後(hou)續(xu)工(gong)藝(yi)流(liu)程(cheng)為(wei)幹(gan)燥(zao)一(yi)油(you)脂(zhi)噴(pen)塗(tu)一(yi)冷(leng)卻(que)一(yi)篩(shai)分(fen)一(yi)計(ji)量(liang)和(he)包(bao)裝(zhuang)。以(yi)前(qian)有(you)些(xie)廠(chang)家(jia)把(ba)油(you)脂(zhi)噴(pen)塗(tu)放(fang)在(zai)冷(leng)卻(que)之(zhi)後(hou),經(jing)實(shi)踐(jian)證(zheng)明(ming),在(zai)冷(leng)卻(que)之(zhi)前(qian)進(jin)行(xing)油(you)脂(zhi)噴(pen)塗(tu),飼(si)料(liao)顆(ke)粒(li)對(dui)油(you)脂(zhi)的(de)吸(xi)附(fu)更(geng)加(jia)好(hao),吸(xi)附(fu)量(liang)更(geng)加(jia)大(da)。下(xia)麵(mian)介(jie)紹(shao)兩(liang)種(zhong)用(yong)得(de)較(jiao)多(duo)和(he)較(jiao)為(wei)成(cheng)熟(shu)的(de)工(gong)藝(yi)安(an)排(pai):
1膨化機出來的濕熱軟顆粒經風送到幹燥機,幹燥機出來的物料自流進入油脂噴塗係統,然後到冷卻器進行冷卻,再經過提升(或風送)到dao成cheng品pin清qing理li篩shai進jin行xing篩shai理li,經jing篩shai理li的de成cheng品pin進jin入ru成cheng品pin倉cang,然ran後hou計ji量liang包bao裝zhuang。這zhe樣yang的de工gong藝yi安an排pai好hao處chu是shi膨peng化hua機ji可ke以yi放fang在zai一yi樓lou平ping麵mian,便bian於yu膨peng化hua機ji的de清qing理li衝chong洗xi,減jian輕qing樓lou麵mian荷he載zai;penghuajichulaidewuliaoyongfengsongdefangshijinxingtisheng,keyishishireruankelipengdaolengfengchanshengbiaomianyinghua,tigaokelidejixieqiangdu,congerjianshaokelizaitishengguochengzhongdebianxing。lingwaizheyangdegongyianpaichangfanggaodubijiaoshizhong。danzhezhongtishengfangshidenenghaoheshebeizaoyinxiangduiyaoda。
2penghuajichulaideshireruankelijingziliudaoganzaoji,ganzaojichulaidewuliaojingtishengjitishengdaoyouzhipentuxitong,ranhoudaolengqueqijinxinglengque,zaijingguotishengdaochengpinqinglishaijinxingshaili,jingshailidechengpinjinruchengpincang,ranhoujiliangbaozhuang。zheyangdegongyianpaitedianshipenghuajibixufangzaierlou(或更高),整個工藝流程都沒有采用風送,設備的使用成本低,故障少,噪音也小。采用該種擺布必須處理好兩個問題:yishipenghuajichulaideshireruankeliziliudaoganzaojirongyichanshengbianxing。yincizheduanjulibunengtaichang,luochabunengtaida,tongshizaigaiduanguanzhongbixuzuoxiejishuchuli,bimiankelizaigaiduanguanzhongfashengbianxingheguandaochanshengjiekuai;二(er)是(shi)采(cai)用(yong)提(ti)升(sheng)機(ji)提(ti)升(sheng)會(hui)發(fa)生(sheng)顆(ke)粒(li)破(po)損(sun)的(de)現(xian)象(xiang)。為(wei)了(le)減(jian)少(shao)這(zhe)一(yi)現(xian)象(xiang)的(de)發(fa)生(sheng),要(yao)想(xiang)辦(ban)法(fa)將(jiang)畚(ben)鬥(dou)墊(dian)起(qi),使(shi)之(zhi)與(yu)輸(shu)送(song)帶(dai)保(bao)持(chi)足(zu)夠(gou)的(de)間(jian)隙(xi),減(jian)少(shao)畚(ben)鬥(dou)與(yu)輸(shu)送(song)帶(dai)夾(jia)碎(sui)顆(ke)粒(li)的(de)現(xian)象(xiang);另ling外wai,選xuan擇ze提ti升sheng機ji輸shu送song時shi最zui好hao選xuan擇ze耐nai高gao溫wen防fang黴mei變bian的de無wu毒du尼ni龍long帶dai。為wei了le減jian少shao提ti升sheng次ci數shu,該gai種zhong工gong藝yi安an排pai可ke略lve作zuo調tiao整zheng,將jiang廠chang房fang適shi當dang加jia高gao,幹gan燥zao機ji出chu來lai的de物wu料liao一yi次ci提ti升sheng到dao高gao點dian,然ran後hou自zi上shang而er下xia從cong脂zhi噴pen塗tu係xi統tong到dao冷leng卻que器qi進jin行xing冷leng卻que,再zai到dao成cheng品pin清qing理li篩shai進jin行xing篩shai理li,通tong過guo成cheng品pin倉cang後hou計ji量liang包bao裝zhuang。
膨化後續工藝中的單機的選用重點為幹燥機和油脂噴塗係統。由於膨化機出來的顆粒水分較高,一般在25%左右,必須經過幹燥才能達到相關的產品標準,而且不同配方顆粒的直徑大小相差較大(從直徑1mm-直徑14mm),隻(zhi)有(you)性(xing)能(neng)良(liang)好(hao)的(de)幹(gan)燥(zao)設(she)備(bei)才(cai)能(neng)達(da)到(dao)理(li)想(xiang)水(shui)平(ping)。現(xian)階(jie)段(duan)主(zhu)要(yao)采(cai)用(yong)對(dui)流(liu)幹(gan)燥(zao)機(ji)和(he)圓(yuan)筒(tong)幹(gan)燥(zao)機(ji),對(dui)流(liu)幹(gan)燥(zao)機(ji)結(jie)構(gou)尺(chi)寸(cun)較(jiao)大(da),裏(li)麵(mian)的(de)篩(shai)板(ban)使(shi)用(yong)時(shi)間(jian)一(yi)長(chang)容(rong)易(yi)堵(du)塞(sai),與(yu)圓(yuan)筒(tong)幹(gan)燥(zao)機(ji)相(xiang)比(bi),能(neng)耗(hao)大(da)些(xie),但(dan)其(qi)運(yun)動(dong)平(ping)穩(wen),可(ke)以(yi)根(gen)據(ju)所(suo)選(xuan)工(gong)藝(yi)放(fang)在(zai)任(ren)何(he)一(yi)層(ceng)樓(lou)麵(mian);yuantongganzaojicaiyongzhendongxialiao,wuliaoyanyuanzhoufangxiangzhucengyoushangdaoxiayundong,yundongguochengzhongwuliaobuduantiaodongfangun,ganzaojunyun,shaikongbuyidusai,erqienenghaojiaodi;但由於該設備有振動源,不宜放在高處,工藝布置受到一定的局限,而且由於結構特點的原因,單台設備的生產率有局限,一般不超過4t/h。
除(chu)幹(gan)燥(zao)設(she)備(bei)外(wai),油(you)脂(zhi)噴(pen)塗(tu)係(xi)統(tong)也(ye)很(hen)重(zhong)要(yao),膨(peng)化(hua)飼(si)料(liao)一(yi)般(ban)需(xu)含(han)較(jiao)高(gao)油(you)脂(zhi),依(yi)靠(kao)混(hun)合(he)機(ji)添(tian)加(jia)是(shi)不(bu)夠(gou)的(de),必(bi)須(xu)在(zai)幹(gan)燥(zao)後(hou)進(jin)行(xing)油(you)脂(zhi)噴(pen)塗(tu)。膨(peng)化(hua)飼(si)料(liao)的(de)油(you)脂(zhi)噴(pen)塗(tu)不(bu)但(dan)量(liang)要(yao)準(zhun)確(que),還(hai)必(bi)須(xu)噴(pen)塗(tu)均(jun)勻(yun)。現(xian)在(zai)最(zui)理(li)想(xiang)的(de)噴(pen)塗(tu)方(fang)式(shi)是(shi)真(zhen)空(kong)噴(pen)塗(tu),其(qi)工(gong)作(zuo)方(fang)式(shi)是(shi)幹(gan)燥(zao)後(hou)顆(ke)粒(li)通(tong)過(guo)精(jing)確(que)計(ji)量(liang)進(jin)入(ru)真(zhen)空(kong)噴(pen)塗(tu)機(ji),一(yi)邊(bian)噴(pen)油(you)一(yi)邊(bian)混(hun)合(he),該(gai)方(fang)式(shi)噴(pen)塗(tu)均(jun)勻(yun),而(er)且(qie)噴(pen)塗(tu)量(liang)大(da),但(dan)目(mu)前(qian)國(guo)內(nei)尚(shang)未(wei)有(you)成(cheng)熟(shu)的(de)設(she)備(bei),主(zhu)要(yao)靠(kao)進(jin)口(kou),價(jia)格(ge)昂(ang)貴(gui);有些廠家采用普通的雙軸混合機代替真空噴塗機,也勉強可以使用,但容易造成顆粒破損,使用效果並不理想;現階段比較適中的是立式噴塗機和臥式滾筒噴塗機兩種,相比之下,立式噴塗機更加均勻,其噴塗量都差不多。
總之,工藝的形式有多種多樣,設備也有不同檔次,投資者必須根據實際情況,選擇適合的工藝和設備;但必須牢記的是膨化機出來的濕熱軟顆粒不能未經任何處理直接采用提升機提升,否則對顆粒和設備都會有較大的不良影響;tongshizaigongyianpaishi,wulunyonghezhongfangshijinxingtisheng,cishujinkenengshaoxie。haiyouyidianbunenghushideshipenghuajishiyizhongjiaonancaozuodeshebei,meiyouhaodeshuliandecaozuogong,zaihaodeshebeihegongyiyebukenengshengchanchugaopinzhidepenghuasiliaolai。
相關粉碎機鍘草機產品:
1、鍘草機
2、秸稈粉碎機



