河砂烘幹機設備幹燥的實質是用幹燥介質（熱風）將jiang幹gan燥zao物wu料liao中zhong的de水shui分fen除chu去qu的de過guo程cheng。在zai這zhe個ge過guo程cheng中zhong，幹gan燥zao材cai料liao表biao麵mian的de蒸zheng汽qi壓ya必bi須xu超chao過guo幹gan燥zao介jie質zhi的de蒸zheng汽qi分fen壓ya，以yi便bian使shi河he沙sha表biao麵mian的de水shui蒸zheng發fa。正zheng是shi由you於yu地di表biao水shui的de不bu斷duan蒸zheng發fa，河he沙sha內nei部bu的de水shui才cai能neng不bu斷duan擴kuo散san到dao地di表biao，使shi河he沙sha的de幹gan燥zao過guo程cheng得de以yi不bu斷duan進jin行xing。熱re空kong氣qi是shi通tong過guo空kong氣qi和he各ge種zhong熱re交jiao換huan設she備bei之zhi間jian的de熱re交jiao換huan獲huo得de的de。空kong氣qi和he煙yan氣qi直zhi接jie混hun合he也ye可ke獲huo得de一yi些xie熱re空kong氣qi。在zai幹gan燥zao過guo程cheng中zhong，熱re風feng不bu僅jin是shi蒸zheng發fa河he沙sha中zhong水shui分fen的de熱re載zai體ti，也ye是shi帶dai走zou河he沙sha表biao麵mian水shui分fen的de水shui分fen載zai體ti。在zai這zhe個ge過guo程cheng中zhong，幹gan砂sha機ji筒tong體ti需xu要yao一yi直zhi旋xuan轉zhuan，輥gun環huan和he支zhi承cheng輪lun是shi幹gan砂sha機ji的de易yi損sun件jian。
有幾種方法可以防止易損件磨損
1、shouxian，shuxishebei，lejieshebeidegongzuoyuanli。caozuoheweihudejibenzhishi，richangshenghuozhongdezhengchangcaozuo，cuowudecaozuofangfa，biranhuiduijiqizaochengyidingdesunhuai，jiazhongyisunjiandemosun。
2、dingqibaoyangherichangweihuyeshiyizhongfeichangzhongyaodefangshi。dingqiweihukeyijinkuaifaxianbingchulikenengchuxiandewenti。richangbaoyanghaikeyitongguotianjiarunhuazhi，youxiaojianshaoyisunjiandemosun。
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