在飼料生產中，顆粒飼料硬度是顆粒飼料外觀質量的重要指標，因此需要使用專業的飼料硬度計jinxingjiance，tongshiyanjiufaxian，zaiyixiezhuchangdesiyangguochengzhong
，kelisiliaodekeliyingduduichuqinshengchanxingnengyouyidingdeyingxiang。yinci
，jiezhusiliaoyingdujikongzhikelisiliaodeyingdu，jiufeichangyoubiyao。

在顆粒飼料的生產中，影響顆粒飼料硬度的因素主要有原料的粉碎工藝；原料的混合
、加水、噴油工藝；蒸汽預調質工藝；製粒過程中的模具的選擇；後熟化
、後噴塗工藝；冷卻工藝。因此要向控製好顆粒飼料的硬度，那麼就需要改進這些工藝。它們對於顆粒飼料硬度的影響主要表現在以下幾點：

1.原料的混合
、加水
、噴油工藝對顆粒硬度的影響

原yuan料liao的de混hun合he能neng提ti高gao各ge種zhong粒li度du組zu分fen的de均jun勻yun度du，有you利li於yu保bao持chi顆ke粒li硬ying度du基ji本ben一yi致zhi，提ti高gao產chan量liang質zhi量liang，飼si料liao攪jiao拌ban機ji內nei加jia水shui工gong藝yi還hai是shi一yi個ge正zheng在zai積ji極ji探tan索suo的de問wen題ti，在zai硬ying顆ke粒li飼si料liao生sheng產chan中zhong，在zai攪jiao拌ban機ji內nei添tian加jia1%―2%deshuifen，youliyutigaokelisiliaodekelidewendingxingheyingdu。gaoshuifenwuliaochengxinghoudekeli，yingduxiao
，shiruan，shikouxinghao

，nengtigaochuqindeshengchanxingneng

，tianjia3%-4%的油脂時能夠顯著降低顆粒的硬度。

2.蒸汽調質工藝對顆粒硬度的影響

zhengqitiaozhishikelisiliaojiagonggongyiguochengzhongdeguanjiangongyi，tiaozhixiaoguozhijieyingxiangkelideneibujiegouhewaiguanzhiliang。zhengqizhilianghetiaozhishijianshiyingxiangtiaozhixiaoguodelianggezhongyaoyinsu。gaozhiliangganzaobaohedezhengqinenggoutigongjiaoduoderelianglaitigaowuliaodewendu

，shidianfenhuhua，tiaozhishijianyuechangdianfenhuhuaduyuegao，chengxinghoudekelijiegouyuezhimi，wendingxingyuehao，yingduyueda。

3.後熟化、後噴塗工藝對顆粒硬度的影響

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德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它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侵qin入ru，提ti高gao顆ke粒li在zai水shui中zhong的de穩wen定ding性xing。

4.小型飼料顆粒機的製粒模具對顆粒硬度的影響

xiaoxingsiliaokelijidekongjingheyasuobidengjishucanshunenggouxianzhuyingxiangkelideyingdu
，caiyongxiangtongkongjingeryasuobibutongdehuanmochengxingdekeli

，qiyingdusuizheyasuobidezengdaermingxiandezengda。xuanzeheshideyasuobihuanmo，nenggoushengchanshiyidekeli。tiaozhengqiedaodeweizhi
，baochiheshidekelichangdu，nengshikelideyingdubaochijibenyizhi。putongganghuanmohebuxiuganghuanmoshengchanchulaidekeliliaoyouxianzhuqubie。