飼料攪拌機是飼料加工廠的“核心”,這種說法千真萬確。攪拌機是飼料加工係統的首要“裝置”,riliangzhonggezhongbutongdeyuanliaochengfenjiuzaizhelihunhezaiyiqi。jiaobanjiyunzhuanjiujuedingzhesiliaojiagongchanpindeshulianghezhiliang。xiangrenhedifangdehexinzhuangzhiyiyang,duisiliaojiagongchangdehexinzhuangzhijiaobanjiyebixudingqizuoxingnengjiance,yiquebaoqijuyougaoxiaokekaodeyunzhuangongneng。
一yi個ge機ji械xie維wei修xiu人ren員yuan不bu了le解jie一yi台tai機ji器qi的de內nei部bu結jie構gou,就jiu無wu法fa監jian測ce其qi性xing能neng狀zhuang況kuang。許xu多duo機ji器qi都dou被bei稱cheng為wei攪jiao拌ban機ji並bing在zai飼si料liao廠chang和he飼si養yang場chang被bei用yong來lai進jin行xing特te定ding的de混hun合he加jia工gong。而er且qie,飼si料liao加jia工gong廠chang多duo年nian來lai一yi直zhi采cai用yong了le各ge種zhong不bu同tong類lei型xing的de攪jiao拌ban機ji。然ran而er,如ru今jin,臥wo式shi批pi量liang攪jiao拌ban機ji幾ji乎hu普pu遍bian被bei用yong作zuo家jia畜chu全quan價jia配pei合he日ri糧liang的de主zhu要yao混hun合he攪jiao拌ban工gong具ju。本ben文wen談tan論lun的de就jiu是shi臥wo式shi批pi量liang攪jiao拌ban機ji,各ge廠chang家jia出chu產chan的de攪jiao拌ban機ji在zai結jie構gou的de細xi節jie上shang各ge有you不bu同tong。
1、飼料廠的核心:臥式批量攪拌機
woshipiliangjiaobanjikezhuangzhiluodaishijiaobanzhouhuojiangyeshijiaobanzhou,jiujingcaiyongnayizhongzegenjugezixihaoerding。youshihou,zaishengchanxianzhonghaiyoufuzhuxingjiaobanji,zuitongchangdejiushilianxushijiaobanjiyijigaosujiangyeshijiaobanji,qianzheyongyuxiangjiaobanwanchengdefenliaozhongtianjiayeti,erhouzhezeyongyuxiangchengpinkeliliaotianjiayetiheweiliangchengfen。
一般說來,攪拌機為三層結構,主機為其中之一;siliaoyuanliaokaozhonglixiangxialiurujiaobanji。zhesancengjiegouzhong,chujiaobanjidejishenzhiwaihaiyouergeliaodou。weiyujishendingbudeshiyigeshoujijuedabufendaijiaobanyuanliaodejinliaodou,jinliaodouxiabuweiyikuaisujinliaozhamen:位於機身下部的是出料鬥,作用是接收攪拌妥的粉料以便隨之即後將其發送到加工廠其他部門。
如今使用中的最受歡迎的攪拌機之一為單軸式攪拌機,軸上安裝有內外攪拌螺帶,運轉時內外螺帶反向攪動飼料,從而可在4 min的最佳時間內獲得最佳混合效果。采用這類攪拌機,一個操作周期f從裝料到排空混合料)可在6min內完成。采用1t容量的攪拌機,則飼料廠額定生產能力可達到10t/h:采用2t型的,則飼料廠額定生產能力可達20t/h,其餘類推。
雙(shuang)軸(zhou)槳(jiang)葉(ye)式(shi)攪(jiao)拌(ban)機(ji)代(dai)表(biao)了(le)攪(jiao)拌(ban)機(ji)主(zhu)機(ji)設(she)計(ji)上(shang)的(de)進(jin)一(yi)步(bu)提(ti)高(gao)。該(gai)攪(jiao)拌(ban)機(ji)一(yi)般(ban)都(dou)用(yong)不(bu)鏽(xiu)鋼(gang)製(zhi)造(zao)以(yi)便(bian)於(yu)清(qing)潔(jie),其(qi)特(te)點(dian)是(shi)所(suo)需(xu)的(de)攪(jiao)拌(ban)時(shi)間(jian)很(hen)短(duan),從(cong)而(er)可(ke)避(bi)免(mian)產(chan)品(pin)損(sun)壞(huai),並(bing)且(qie)通(tong)常(chang)可(ke)用(yong)於(yu)向(xiang)成(cheng)品(pin)顆(ke)粒(li)料(liao)中(zhong)添(tian)加(jia)液(ye)體(ti)和(he)微(wei)量(liang)配(pei)料(liao)。雙(shuang)軸(zhou)攪(jiao)拌(ban)機(ji)最(zui)常(chang)用(yong)於(yu)批(pi)量(liang)攪(jiao)拌(ban)生(sheng)產(chan)係(xi)統(tong)中(zhong),這(zhe)就(jiu)意(yi)味(wei)著(zhe)主(zhu)產(chan)品(pin)必(bi)須(xu)稱(cheng)重(zhong)投(tou)入(ru),同(tong)時(shi)對(dui)添(tian)加(jia)劑(ji)也(ye)需(xu)要(yao)進(jin)行(xing)稱(cheng)重(zhong)或(huo)進(jin)行(xing)計(ji)量(liang)。這(zhe)樣(yang),添(tian)加(jia)率(lv)就(jiu)可(ke)做(zuo)到(dao)很(hen)精(jing)確(que)並(bing)且(qie)可(ke)通(tong)過(guo)快(kuai)速(su)進(jin)料(liao)閘(zha)門(men)進(jin)入(ru)攪(jiao)拌(ban)機(ji),從(cong)而(er)可(ke)做(zuo)到(dao)快(kuai)速(su)進(jin)料(liao)而(er)不(bu)留(liu)殘(can)餘(yu)。在(zai)攪(jiao)拌(ban)過(guo)程(cheng)必(bi)須(xu)最(zui)大(da)限(xian)度(du)降(jiang)低(di)產(chan)品(pin)摩(mo)擦(ca)或(huo)物(wu)理(li)變(bian)化(hua)時(shi),比(bi)如(ru)在(zai)攪(jiao)拌(ban)片(pian)狀(zhuang)原(yuan)料(liao)或(huo)其(qi)它(ta)易(yi)於(yu)破(po)碎(sui)的(de)原(yuan)料(liao)時(shi),采(cai)用(yong)這(zhe)些(xie)攪(jiao)拌(ban)機(ji)就(jiu)很(hen)有(you)幫(bang)助(zhu)。
conglilunshangshuo,jiaobanjidingbuliaodoukuaisujinliaozhamendefamingyiyiyijigaosujiangyeshijiaobanjidefamingyiyiyinggaikesuoduanjiaobanjijiaobanzhouqideshijian。raner,zaishijishengchanzhongshang,ruguojiaobanjitouliaoxitonghehunhefenliaocongjiaobanjineidechuliaoshusongxitongbujubeibiyaodeguimohesudu,namejiaobanjidejiaobanzhouqishijianshibuhuisuoduande。
2、容量測定優先進行
任何飼料攪拌機的性能檢測首先都是容量檢測:攪拌機的大小是否適合飼料廠的需求?在說明飼料廠攪拌機的大小時,通常都假定待混合物料的比重f或稱為“密度”)為0.5,即水的密度的50%。雖然,按公製則每立方米物料密度為504.6 kg,而按英製則每立方英尺物料的密度為31.5磅,但為避免誤解則最好還是以“升”這一容量單位來描述攪拌機容量。
由此得出的結果就是,2000L容量的攪拌機每次可攪拌密度為0.5的物料1000kg,於是通常就被稱為1-噸機。然而,容積評定本身是非常重要的。在混合高比例礦物質或小麥飼料或小麥粗粉、全(quan)棉(mian)籽(zi)等(deng)低(di)密(mi)度(du)原(yuan)料(liao)時(shi),應(ying)予(yu)以(yi)特(te)別(bie)注(zhu)意(yi)。現(xian)代(dai)飼(si)料(liao)攪(jiao)拌(ban)機(ji)的(de)容(rong)積(ji)公(gong)差(cha)相(xiang)當(dang)大(da),但(dan)相(xiang)當(dang)多(duo)的(de)攪(jiao)拌(ban)誤(wu)差(cha)可(ke)歸(gui)因(yin)於(yu)裝(zhuang)料(liao)不(bu)正(zheng)確(que)而(er)不(bu)是(shi)機(ji)械(xie)設(she)計(ji)錯(cuo)誤(wu)。
jiaobanjideshejiweikaolvchaofuhehuodifuhexiaqidongyunzhuan。ruguochaofuhehuodifuheqidongyunzhuan,namezuichangjiandehouguokenenghaihuichuxiandeqitaqingkuang,jiushijiaobanluodaihuoqitajiaobanbujianwanquhuoduanlie,yijijinliaozhamenjixiezhuangzhisunhuai。suiranzheyangdejieguoyexubuhuidaozhijiaobanjitingzhuan,dankendinghuijiangdijiaobanjidexiaoneng,erqiehaikenengyinqiqianhouerpisiliaozhijiandejiaochawuran。zaijinxingchanpinfenxizhiqian,renhewentidoubuhuicongwaiguanshangdeyifajiao:huanjuhuashuo,yaozaishengchanchuxiangdangduodechanpinhoucaihuifaxianzhexiewenti。yinci,weilefangzhichuxianzhexiewenti,bixuzaikongzhixitongzhongpeibeianquanzhuangzhi。tongchang,zhexieanquanzhuangzhishiyiliaoweizhishiqiheweidongkaiguandexingshilaixiangxitongtigongfankuierkongzhipicishunxu。
在目前的實際生產中,最為通常的第一步常規攪拌程序就是對營養學家認為動物必需的各種原料進行稱重:第二步就是使這些原料經過粉碎機,然後在攪拌機內將微量成分添加到這些粉碎的原料內:不(bu)過(guo)也(ye)可(ke)以(yi)先(xian)對(dui)原(yuan)料(liao)進(jin)行(xing)粉(fen)碎(sui)和(he)貯(zhu)存(cun),然(ran)後(hou)對(dui)各(ge)種(zhong)原(yuan)料(liao)進(jin)行(xing)稱(cheng)重(zhong)以(yi)配(pei)合(he)成(cheng)為(wei)所(suo)需(xu)的(de)一(yi)批(pi)產(chan)品(pin)。完(wan)成(cheng)一(yi)個(ge)攪(jiao)拌(ban)周(zhou)期(qi)之(zhi)後(hou),對(dui)攪(jiao)拌(ban)後(hou)的(de)粉(fen)料(liao)進(jin)行(xing)顆(ke)粒(li)化(hua)、貯藏或者以成品形式袋裝出廠。
3、關鍵檢查點
對dui各ge種zhong原yuan料liao進jin行xing攪jiao拌ban是shi為wei了le使shi其qi在zai攪jiao拌ban後hou的de質zhi地di達da到dao均jun勻yun一yi致zhi。因yin此ci,攪jiao拌ban後hou產chan品pin的de所suo有you各ge部bu分fen,從cong可ke測ce公gong差cha範fan圍wei或huo者zhe從cong變bian異yi係xi數shu來lai看kan,都dou應ying該gai完wan全quan相xiang同tong,這zhe樣yang才cai能neng使shi飼si喂wei攪jiao拌ban後hou產chan品pin的de動dong物wu都dou有you相xiang同tong的de生sheng產chan性xing能neng。攪jiao拌ban不bu佳jia的de飼si料liao,其qi質zhi地di的de均jun勻yun度du極ji差cha,結jie果guo可ke導dao致zhi局ju部bu區qu域yu或huo者zhe局ju部bu層ceng次ci具ju有you明ming顯xian不bu同tong的de原yuan料liao成cheng分fen,這zhe樣yang一yi批pi飼si料liao會hui對dui家jia畜chu產chan生sheng不bu利li影ying響xiang。
renhejuyousiliaochangguanlijingyanderendouzhidao,zaishijianzhong,yaoshidongwudepeihesiliaodadaozheyanghunhejunyundechengduwangwanghenkunnan,duoshuqingkuangxiazhedoushiyouyugezhongyuanliaodewulitexingchayihendaerzaochengde。weilenengzaihunhegankeliliaoshihuodejiejinwanmeijieguo,zhexieganzaokeliyinggaishinenggouziyouliudongde,erqiekelidedaxiao、密度、hanshuiliangjixingzhuangdengtexingdouyinggaixiangjin。yihandeshi,yibandesiliaohunhewangwangyuzhezhonglixiangyaoqiuqiahaoxiangfan。daijiaobandebutongkelizhijianhenkenengchayihenda,zheshiyinweidaijiaobandekelidoushichabiehendadewuzhi,birukuangwuzhitianjiaji、小麥飼料、麩皮或高蛋白原料。
可ke在zai一yi定ding程cheng度du上shang縮suo小xiao這zhe些xie差cha異yi解jie決jue辦ban法fa,就jiu是shi采cai用yong一yi種zhong現xian成cheng預yu混hun料liao或huo專zhuan用yong預yu混hun料liao,對dui於yu添tian加jia率lv很hen低di的de重zhong要yao原yuan料liao來lai說shuo就jiu尤you其qi必bi須xu如ru此ci。無wu論lun這zhe些xie重zhong要yao原yuan料liao是shi維wei生sheng素su、weiliangkuangwuzhihaishiqitaweiliangchengfen,yuhunliaojiunengjiangtamenfuzaizaiyizhongzaitizhishang,congershiqizaizuizhongchengpinhunheliaozhongfenbujunyun。yuhunliaojuyouhelidetongzhixing,nenganzhengchangdetianjiashuipingtianjiadaojiaobanjizhujinei。zheyifangfayouzhuyuzuidaxiandudijianshaorengongfandonghedaodai,congertigaozuizhongchanpindezhiliang。
4、交叉汙染:泄漏和殘留
如何避免攪拌機主機內的交叉汙染可能是一個眾說紛紜、老生常談的問題。現在大多數臥式攪拌機都在主機底部設置延伸底部全長的快速出料閘門。這種名為“底卸式”出chu料liao閘zha門men的de設she計ji實shi際ji上shang可ke使shi攪jiao拌ban機ji內nei所suo有you飼si料liao全quan部bu出chu清qing而er且qie不bu留liu殘can餘yu,從cong而er可ke解jie決jue令ling人ren日ri益yi關guan注zhu的de交jiao叉cha汙wu染ran問wen題ti以yi及ji徹che底di清qing空kong攪jiao拌ban機ji內nei前qian後hou二er批pi物wu料liao之zhi間jian殘can餘yu飼si料liao的de難nan題ti,最zui終zhong使shi原yuan料liao成cheng分fen的de平ping衡heng得de到dao了le保bao持chi。飼si料liao廠chang的de管guan理li人ren員yuan要yao牢lao記ji的de檢jian測ce要yao點dian就jiu是shi攪jiao拌ban機ji主zhu機ji與yu這zhe些xie閘zha門men之zhi間jian的de密mi封feng性xing是shi否fou完wan整zheng。安an全quan可ke靠kao的de密mi封feng性xing對dui於yu確que切qie防fang止zhi另ling一yi種zhong汙wu染ran源yuan來lai說shuo有you著zhe非fei常chang重zhong要yao的de作zuo用yong。
事shi實shi上shang,外wai表biao現xian象xiang會hui使shi人ren產chan生sheng誤wu解jie,因yin為wei安an裝zhuang滑hua動dong閘zha門men的de攪jiao拌ban機ji由you於yu螺luo帶dai和he機ji體ti之zhi間jian的de殘can餘yu料liao或huo滑hua門men凹ao陷xian內nei的de殘can餘yu料liao看kan來lai更geng易yi導dao致zhi交jiao叉cha汙wu染ran。在zai常chang量liang原yuan料liao成cheng分fen裝zhuang填tian入ru攪jiao拌ban機ji後hou所suo添tian加jia的de微wei量liang原yuan料liao成cheng分fen,可ke完wan全quan徹che底di地di混hun合he到dao該gai批pi飼si料liao之zhi中zhong:因此,原料內任何添加劑殘留在攪拌機內的相對比例是極低的。
5、特別注意液體原料的應用
然(ran)而(er),為(wei)了(le)最(zui)大(da)限(xian)度(du)地(di)減(jian)少(shao)發(fa)生(sheng)汙(wu)染(ran)的(de)可(ke)能(neng),可(ke)采(cai)取(qu)的(de)方(fang)法(fa)就(jiu)是(shi)將(jiang)濃(nong)縮(suo)料(liao)添(tian)加(jia)到(dao)快(kuai)速(su)進(jin)料(liao)鬥(dou)內(nei),而(er)將(jiang)微(wei)量(liang)原(yuan)料(liao)成(cheng)分(fen)直(zhi)接(jie)添(tian)加(jia)到(dao)攪(jiao)拌(ban)機(ji)內(nei)。像(xiang)脂(zhi)肪(fang)這(zhe)類(lei)液(ye)體(ti)料(liao)也(ye)可(ke)在(zai)這(zhe)時(shi)直(zhi)接(jie)添(tian)加(jia)到(dao)攪(jiao)拌(ban)機(ji)內(nei)而(er)得(de)到(dao)良(liang)好(hao)效(xiao)果(guo)。為(wei)使(shi)脂(zhi)肪(fang)得(de)到(dao)最(zui)佳(jia)的(de)均(jun)勻(yun)分(fen)布(bu),應(ying)在(zai)高(gao)溫(wen)情(qing)況(kuang)下(xia)投(tou)入(ru)脂(zhi)肪(fang),並(bing)盡(jin)快(kuai)進(jin)行(xing)混(hun)合(he),以(yi)便(bian)使(shi)這(zhe)脂(zhi)肪(fang)在(zai)冷(leng)卻(que)前(qian)得(de)以(yi)充(chong)分(fen)混(hun)勻(yun)。
然(ran)而(er),必(bi)須(xu)在(zai)所(suo)有(you)幹(gan)料(liao)已(yi)經(jing)加(jia)入(ru)攪(jiao)拌(ban)機(ji)內(nei)之(zhi)後(hou)才(cai)可(ke)添(tian)加(jia)液(ye)體(ti)飼(si)料(liao)。尤(you)其(qi)要(yao)注(zhu)意(yi)的(de)是(shi)液(ye)體(ti)飼(si)料(liao)投(tou)入(ru)點(dian)的(de)位(wei)置(zhi)。液(ye)體(ti)飼(si)料(liao)粘(zhan)在(zai)攪(jiao)拌(ban)軸(zhou)上(shang)會(hui)妨(fang)礙(ai)攪(jiao)拌(ban)機(ji)的(de)攪(jiao)拌(ban)動(dong)作(zuo),粘(zhan)在(zai)出(chu)料(liao)裝(zhuang)置(zhi)或(huo)滑(hua)門(men)上(shang)則(ze)會(hui)導(dao)致(zhi)飼(si)料(liao)泄(xie)漏(lou)。
添加液體飼料的另一個位置是在攪拌流水線上主機之後的連續式攪拌機(或稱為“液體摻合器”)內。這類機器可到達100 t/h的攪拌能力,而且能夠攪拌多達四種、添加率高達35%~40%的de液ye體ti。這zhe類lei攪jiao拌ban機ji的de機ji體ti為wei管guan狀zhuang,管guan內nei有you塑su料liao襯chen裏li以yi便bian最zui大da限xian度du地di減jian少shao粘zhan附fu現xian象xiang和he磨mo損sun。攪jiao拌ban動dong作zuo則ze由you一yi根gen安an裝zhuang有you槳jiang葉ye的de高gao速su旋xuan轉zhuan軸zhou進jin行xing:這zhe根gen軸zhou上shang的de槳jiang葉ye安an裝zhuang成cheng一yi定ding的de角jiao度du,從cong而er可ke同tong時shi進jin行xing攪jiao拌ban和he傳chuan輸shu。可ke以yi裝zhuang配pei堰yan板ban以yi降jiang低di原yuan料liao通tong過guo攪jiao拌ban機ji的de速su度du,同tong時shi也ye可ke在zai飼si料liao出chu口kou處chu安an裝zhuang旋xuan轉zhuan壓ya碎sui機ji以yi便bian排pai除chu任ren何he結jie塊kuai現xian象xiang。
在生產線上攪拌機主機之後安裝連續式攪拌機液體摻合器1的缺點是額外需要消耗電力和進行保養。連續式攪拌機可能需要高達45~55 kw功率的動力,槳葉的磨損往往相當厲害。可以安裝線上稱重裝置以監測幹原料和調控液體注入的速度,從而獲得要求的添加率。
6、結語
本ben文wen隻zhi是shi為wei討tao論lun提ti高gao攪jiao拌ban效xiao率lv而er進jin行xing攪jiao拌ban機ji測ce試shi的de問wen題ti作zuo了le一yi些xie準zhun備bei。下xia篇pian文wen章zhang將jiang會hui對dui此ci進jin行xing深shen入ru評ping述shu。然ran而er,殘can留liu物wu測ce定ding隻zhi是shi為wei提ti高gao攪jiao拌ban質zhi量liang所suo需xu一yi係xi列lie性xing能neng檢jian測ce的de一yi個ge方fang麵mian。要yao牢lao記ji的de是shi,攪jiao拌ban機ji主zhu機ji很hen可ke能neng是shi飼si料liao廠chang內nei所suo有you設she備bei中zhong使shi用yong時shi間jian最zui長chang的de機ji器qi之zhi一yi。任ren何he機ji器qi,無wu論lun其qi結jie構gou多duo麼me牢lao固gu,如ru果guo不bu對dui其qi定ding期qi進jin行xing保bao養yang並bing隨sui時shi進jin行xing檢jian測ce,都dou不bu可ke能neng長chang期qi保bao持chi正zheng常chang運yun轉zhuan。
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