飼料硬度不均勻的影響因素
我(wo)們(men)在(zai)對(dui)粉(fen)碎(sui)的(de)工(gong)藝(yi)進(jin)行(xing)顆(ke)粒(li)硬(ying)度(du)檢(jian)查(zha)的(de)時(shi)候(hou)都(dou)是(shi)采(cai)用(yong)儀(yi)器(qi)進(jin)行(xing)的(de),儀(yi)器(qi)的(de)好(hao)壞(huai)直(zhi)接(jie)影(ying)響(xiang)了(le)我(wo)們(men)進(jin)行(xing)粉(fen)碎(sui)時(shi)候(hou)的(de)質(zhi)量(liang)。通(tong)常(chang)情(qing)況(kuang)下(xia),我(wo)們(men)對(dui)顆(ke)粒(li)粉(fen)碎(sui)的(de)越(yue)小(xiao),這(zhe)樣(yang)就(jiu)越(yue)容(rong)易(yi)被(bei)糊(hu)化(hua),比(bi)較(jiao)方(fang)便(bian)大(da)家(jia)的(de)使(shi)用(yong)。尤(you)其(qi)是(shi)對(dui)飼(si)料(liao)的(de)研(yan)磨(mo)更(geng)是(shi)要(yao)講(jiang)究(jiu)這(zhe)點(dian),因(yin)此(ci)我(wo)們(men)需(xu)要(yao)對(dui)飼(si)料(liao)的(de)各(ge)種(zhong)特(te)性(xing)進(jin)行(xing)了(le)解(jie),因(yin)為(wei)我(wo)們(men)無(wu)法(fa)使(shi)用(yong)肉(rou)眼(yan)來(lai)完(wan)成(cheng),因(yin)此(ci)飼料硬度計chengweidajiashiyongdezuijiayiqi。huhuahoudedianfenduikeliyingduyingxiangshixianzhude。penghuakeliliaoyinweidianfendehuhuadujiaoda,yincizhilikelideyingduyejiaoda。yinggaitongguoqitatujingjiangdikeliyingdu。yuanliaodehunhenengtigaogezhongliduzufendejunyundu,youliyubaochikeliyingdujibenyizhi,tigaochanpinzhiliang。zaihunhejineitianjia1%~2%的水分,有利於提高顆粒飼料的顆粒的穩定性和硬度。
在濕顆粒飼料的生產中,粉料中可以添加高達20%~30%的水分,高水分物料成形後的顆粒,硬度小,濕軟,適口性好,能夠提高畜禽的生產性能。添加1%~2%的油脂降低顆粒的硬度不顯著,添加3%~4%的油脂時能夠顯著降低顆粒的硬度。 zhengqitiaozhishikelisiliaojiagonggongyiguochengzhongdeguanjiangongyi,tiaozhixiaoguozhijieyingxiangkelideneibujiegouhewaiguanzhiliang。zhengqizhilianghetiaozhishijianshiyingxiangtiaozhixiaoguodelianggezhongyaoyinsu。gaozhiliangganzaobaohedezhengqinenggoutigongjiaoduoderelianglaitigaowuliaodewendu,shidianfenhuhua,tiaozhishijianyuechangdianfenhuhuaduyuegao,chengxinghoudekelijiegouyuezhimi,wendingxingyuehao,yingduyeyueda。duiyibandechuqinlaishuo,tongguotiaojiezhengqidetianjialiang,shitiaozhiwendubaochizai70~80℃,通過改變調質器的長度、槳葉角度和轉速來控製調質時間在30秒左右。
對(dui)於(yu)魚(yu)料(liao)來(lai)說(shuo),一(yi)般(ban)采(cai)有(you)雙(shuang)層(ceng)或(huo)多(duo)層(ceng)夾(jia)套(tao)調(tiao)質(zhi),以(yi)提(ti)高(gao)調(tiao)質(zhi)溫(wen)度(du)和(he)延(yan)長(chang)調(tiao)質(zhi)時(shi)間(jian)。更(geng)有(you)利(li)於(yu)提(ti)高(gao)魚(yu)料(liao)顆(ke)粒(li)在(zai)水(shui)中(zhong)的(de)穩(wen)定(ding)性(xing),顆(ke)粒(li)的(de)硬(ying)度(du)也(ye)相(xiang)應(ying)增(zeng)加(jia)。製(zhi)粒(li)機(ji)環(huan)模(mo)的(de)孔(kong)徑(jing)和(he)壓(ya)縮(suo)比(bi)等(deng)技(ji)術(shu)參(can)數(shu)能(neng)夠(gou)顯(xian)著(zhu)影(ying)響(xiang)顆(ke)粒(li)的(de)硬(ying)度(du),采(cai)用(yong)相(xiang)同(tong)孔(kong)徑(jing)而(er)壓(ya)縮(suo)比(bi)不(bu)同(tong)的(de)環(huan)模(mo)成(cheng)形(xing)的(de)顆(ke)粒(li),其(qi)硬(ying)度(du)隨(sui)著(zhe)壓(ya)縮(suo)比(bi)的(de)增(zeng)大(da)而(er)明(ming)顯(xian)增(zeng)大(da)。選(xuan)擇(ze)合(he)適(shi)的(de)壓(ya)縮(suo)比(bi)環(huan)模(mo),能(neng)夠(gou)生(sheng)產(chan)適(shi)宜(yi)硬(ying)度(du)的(de)顆(ke)粒(li)。顆(ke)粒(li)的(de)長(chang)度(du)對(dui)顆(ke)粒(li)的(de)承(cheng)壓(ya)能(neng)力(li)有(you)明(ming)顯(xian)的(de)影(ying)響(xiang),相(xiang)同(tong)直(zhi)徑(jing)的(de)顆(ke)粒(li),在(zai)顆(ke)粒(li)沒(mei)有(you)缺(que)陷(xian)情(qing)況(kuang)下(xia),顆(ke)粒(li)長(chang)度(du)越(yue)長(chang),測(ce)定(ding)的(de)硬(ying)度(du)越(yue)大(da)。調(tiao)整(zheng)切(qie)刀(dao)的(de)位(wei)置(zhi),保(bao)持(chi)合(he)適(shi)的(de)顆(ke)粒(li)長(chang)度(du),能(neng)使(shi)顆(ke)粒(li)的(de)硬(ying)度(du)保(bao)持(chi)基(ji)本(ben)一(yi)致(zhi)。顆(ke)粒(li)直(zhi)徑(jing)截(jie)麵(mian)形(xing)狀(zhuang)對(dui)顆(ke)粒(li)硬(ying)度(du)也(ye)有(you)一(yi)定(ding)的(de)影(ying)響(xiang),8字形截麵比圓形截麵承壓能力更強,測定的硬度值也越大。
另外,環模的材質對顆粒的外觀質量和硬度也有一定的影響。普通鋼環模和不鏽鋼環模生產出來的顆粒料有較顯著的區別。 後熟化、後hou噴pen塗tu工gong藝yi在zai畜chu禽qin飼si料liao生sheng產chan工gong藝yi中zhong使shi用yong得de比bi較jiao少shao,而er魚yu料liao和he特te種zhong水shui產chan料liao生sheng產chan工gong藝yi中zhong得de到dao比bi較jiao廣guang泛fan的de應ying用yong。後hou熟shu化hua能neng使shi顆ke粒li內nei部bu的de澱dian粉fen充chong分fen糊hu化hua,使shi顆ke粒li內nei部bu結jie構gou更geng加jia致zhi密mi,防fang止zhi水shui的de滲shen入ru,有you利li於yu提ti水shui產chan飼si料liao顆ke粒li在zai水shui中zhong的de穩wen定ding性xing,同tong時shi也ye提ti高gao了le顆ke粒li的de硬ying度du。後hou噴pen塗tu工gong藝yi在zai熱re顆ke粒li飼si料liao噴pen塗tu技ji術shu中zhong,噴pen塗tu的de油you脂zhi或huo其qi他ta噴pen塗tu物wu會hui滲shen入ru顆ke粒li內nei部bu,使shi內nei部bu結jie構gou疏shu鬆song,降jiang低di顆ke粒li的de硬ying度du,但dan可ke以yi防fang止zhi水shui的de浸jin入ru,提ti高gao顆ke粒li在zai水shui中zhong的de穩wen定ding性xing。
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