一、環模的選用
環模一般由碳鋼或合金結構鋼,或者不鏽鋼經鍛造,機加工、鑽zuan模mo孔kong及ji熱re處chu理li等deng工gong序xu製zhi做zuo而er成cheng。有you些xie環huan模mo在zai生sheng產chan過guo程cheng中zhong通tong常chang出chu現xian這zhe樣yang或huo那na樣yang的de問wen題ti,如ru能neng耗hao高gao,產chan量liang低di,顆ke粒li品pin質zhi差cha及ji爆bao模mo等deng現xian象xiang。另ling外wai還hai有you一yi個ge更geng為wei嚴yan重zhong的de問wen題ti就jiu是shi使shi用yong壽shou命ming低di,不bu耐nai磨mo,據ju一yi項xiang調tiao查zha顯xian示shi,利li用yong這zhe些xie環huan模mo生sheng產chan的de飼si料liao中zhong鐵tie含han量liang較jiao高gao,從cong而er極ji大da影ying響xiang了le飼si料liao的de配pei方fang,這zhe一yi結jie果guo主zhu要yao是shi由you環huan模mo的de耐nai磨mo性xing差cha所suo造zao成cheng的de。對dui於yu飼si料liao生sheng產chan者zhe來lai說shuo,降jiang低di生sheng產chan成cheng本ben和he提ti高gao飼si料liao顆ke粒li品pin質zhi是shi重zhong中zhong之zhi重zhong,根gen據ju環huan模mo的de工gong作zuo狀zhuang況kuang,飼si料liao生sheng產chan者zhe應ying選xuan用yong不bu鏽xiu鋼gang製zhi環huan模mo和he不bu鏽xiu鋼gang鍛duan坯pi,因yin為wei這zhe樣yang的de環huan模mo使shi用yong壽shou命ming較jiao高gao;選用經槍鑽加工的模孔,利用多工位槍鑽對模孔進行加工,能保證模孔光滑,不會形成歪孔(即模孔中心線與環模圓周中心線不同軸),從而達到環模出料快,顆粒品質好(顆粒表麵光滑,顆粒均勻,飼料粉化率小等)等特點;選用經真空熱處理的環模,它保證了環模材料的高耐磨性、高強度,以及對模孔的光滑度進行了有效的保護(避免了模孔的氧化)。合理選用優質的環模是飼料生產者降低生產成本、提高顆粒品質的關鍵。
二、環模的使用
首先,在選用優質環模的前提下,應根據生產飼料品種、配方及產量選用合適的模孔形式、開孔率及壓縮比(壓縮比=模孔的有效長度/模孔直徑)。一般來說,直形孔和階梯形孔適於加工配合飼料;外錐形孔適合加工脫脂糠等高纖維的飼料;neizhuixingkongyijiagongcaofenliaoleibizhongqingdesiliao。zaibaozhenghuanmoqiangdudeqiantixia,jinliangtigaohuanmodekaikonglv,duiyuyouxiepinzhongdesiliao,zaibaozhengheliyasuobidetiaojianxia,huanmoguoyubibo,yizhihuanmoqiangdubugou,shengchanzhonghuichuxianbaomoxianxiang,cishiyingdangzaibaozhengmokongyouxiaochangdudeqiantixia,zengjiahuanmodehouduhezengkaijianyakong。tongchanglaishuo,hanguwugaodepeihesiliaoyixuan8-12.5之間的壓縮比;熱敏感飼料及尿素飼料宜選用5-8之間的壓縮比;含天然蛋白質高的濃縮飼料適於選用5-11之間的壓縮比;奶牛配合飼料適宜選用7~15之zhi間jian的de壓ya縮suo比bi。另ling外wai還hai可ke以yi在zai考kao慮lv飼si料liao基ji本ben配pei方fang後hou,依yi據ju生sheng產chan者zhe自zi己ji要yao求qiu的de飼si料liao品pin質zhi調tiao整zheng具ju體ti的de壓ya縮suo比bi,比bi如ru選xuan用yong稍shao低di的de壓ya縮suo比bi對dui於yu增zeng加jia產chan量liang、降低能耗、jianqinghuanmodemosundengyouli,danshizheyangyilaijianghuijiangdisiliaodepinzhi,rukelibugoujieshi,waiguansongsanchangduanbuyi,siliaodefenhualvgao,fanzhi,zeduikelipinzhiyouli(顆粒外觀光滑而有光澤,粉化率小),但會增加產品的生產成本。
其次,環模與壓輥之間工作間隙合理與否對環模的有效使用具有重要影響。一般來說,環模與壓輥之間的間隙為0.1-0.3zhijian,yishijianjingyanlaishuo,yongshoubandonghuanmoxuanzhuandetongshi,yagundadaosizhuanfeizhuandezhuangtaiweijia。name,ruhetiaozhenghuanmoyuyagunzhijiandejianxine?tongguowomendeshijianjingyandezhi,dangxinmozhuangjihou,diyi,songdongyaguntiaojieluoshuanjiangyaguntiaozhengdaoyagunwaiyuanmianjinkaohuanmoneiyuanmiandezhuangtai;dier,yicitiaozhengyagunpianxinzhoushigeyagunyuhuanmozhijianjianxishidang,yujintiaojieluoshuan,bandonghuanmo,zhubutiaojiejianxi,shiyagundadaosizhuanfeizhuandegongzuozhuangtai,disan,jingutiaojieluoshuan。zaishiyongzhong,doushibaohuanmoerxishengyagun,yinweihuanmodejiageshiyagunjiagedeshijibeishenzhijishibei,suoyizaishiyongzhong,zaixuanyonghelijianxideqingkuangxia,yagundeyingdubunengtaigao,yejiushishuo,yagundenaimoxingbunengbihuanmodenaimoxinggao。 環模在生產過程中,對所使用的物料要求進行必要清理,避免物料混有大塊砂石、砂粒、鐵塊、螺栓及鐵屑等硬顆粒。因為這些夾雜加速了環模的磨損,而且大量的、大硬夾雜將造成環模多次受力,使環模產生疲勞,當某次受力超過環模的強度極限時,環模將出現爆模現象。
最zui後hou,操cao作zuo者zhe在zai新xin裝zhuang或huo更geng換huan環huan模mo時shi,對dui於yu通tong過guo錐zhui麵mian裝zhuang配pei的de環huan模mo來lai說shuo,新xin裝zhuang模mo時shi,要yao求qiu避bi免mian造zao成cheng錐zhui麵mian的de碰peng傷shang及ji刮gua傷shang,並bing對dui其qi錐zhui麵mian及ji其qi配pei合he傳chuan動dong輪lun緣yuan錐zhui麵mian進jin行xing必bi要yao清qing理li,塗tu油you裝zhuang配pei。更geng換huan環huan模mo時shi,拆chai卸xie,不bu碰peng傷shang及ji刮gua傷shang錐zhui麵mian,塗tu油you保bao護hu。對dui於yu經jing常chang需xu更geng換huan環huan模mo的de顆ke粒li機ji來lai說shuo,要yao求qiu定ding期qi對dui傳chuan動dong輪lun緣yuan進jin行xing檢jian查zha,防fang止zhi其qi過guo度du磨mo損sun而er導dao致zhi模mo具ju定ding心xin銷xiao的de斷duan裂lie,因yin為wei過guo度du的de磨mo損sun將jiang會hui影ying響xiang環huan模mo與yu輪lun緣yuan之zhi間jian的de配pei合he,配pei合he不bu緊jin,當dang環huan模mo工gong作zuo時shi將jiang對dui模mo具ju定ding心xin銷xiao產chan生sheng剪jian切qie力li而er導dao致zhi斷duan裂lie,當dang產chan生sheng這zhe種zhong情qing況kuang後hou,千qian萬wan不bu要yao誤wu認ren為wei是shi銷xiao的de強qiang度du不bu夠gou而er換huan成cheng高gao強qiang度du的de銷xiao,最zui終zhong隻zhi能neng導dao致zhi環huan模mo損sun壞huai和he安an全quan銷xiao經jing常chang性xing的de斷duan裂lie。因yin此ci,對dui環huan模mo的de配pei合he錐zhui麵mian及ji配pei合he的de傳chuan動dong輪lun緣yuan的de錐zhui麵mian進jin行xing保bao護hu和he定ding期qi的de檢jian查zha是shi相xiang當dang必bi要yao的de。對dui於yu抱bao箍gu式shi裝zhuang配pei的de環huan模mo來lai說shuo,對dui其qi裝zhuang配pei麵mian及ji其qi配pei合he的de元yuan件jian的de保bao護hu與yu檢jian查zha也ye是shi相xiang當dang必bi要yao的de。當dang壓ya輥gun使shi用yong一yi段duan時shi間jian後hou,會hui出chu現xian磨mo損sun現xian象xiang,影ying響xiang了le與yu環huan模mo的de配pei合he精jing度du,從cong而er影ying響xiang了le環huan模mo的de生sheng產chan產chan量liang,應ying對dui其qi進jin行xing必bi要yao的de修xiu理li或huo更geng換huan新xin的de環huan模mo。
三、環模的基本維護
俗話說,磨刀不誤砍柴工。對環模進行合理的維護保養是環模經濟、有效使用的一部分。在生產過程中,操作者經常發現,環模在使用過程中,通常會出現堵塞、磨損、封feng口kou及ji內nei翻fan等deng現xian象xiang,這zhe時shi,如ru果guo不bu對dui其qi進jin行xing必bi要yao維wei護hu,將jiang造zao成cheng產chan量liang降jiang低di,能neng耗hao增zeng加jia,甚shen至zhi不bu出chu料liao等deng現xian象xiang。此ci時shi,對dui環huan模mo進jin行xing基ji本ben維wei護hu的de方fang法fa是shi,先xian將jiang環huan模mo工gong作zuo內nei圓yuan麵mian進jin行xing磨mo平ping,然ran後hou進jin行xing倒dao角jiao。當dang更geng換huan環huan模mo時shi,要yao求qiu趁chen熱re模mo將jiang含han油you物wu料liao充chong填tian模mo孔kong,以yi便bian下xia次ci生sheng產chan時shi使shi環huan模mo達da到dao最zui佳jia狀zhuang態tai。
綜上所述,對環模的選用、使用和基本維護,可見環模在顆粒機的使用過程中的作用是非常重要的。隻有對環模進行正確選用、合理使用和有效的維護,才能降低成本,提高效率,創造顆粒品質,增強產品市場競爭力,迎接挑戰,為企業創造更多的經濟效益。
我公司專業生產各種顆粒機、木屑顆粒機、秸稈顆粒機、秸稈壓塊機等,專業精幹的技術團隊,最高質量的技術保證,是您絕對新來的好產品,歡迎廣大顧客蒞臨我廠考察洽商業務!



