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解析高效煤粉在铸件中起着怎么样的作用?

文章来源:rixment.com

发布时间: 2019-4-1 14:47:11

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高效煤粉的焦化也有助于改善铸件的表面质量,贴近型表层的型砂中高效煤粉焦化时发生体积膨胀,能填塞型表层砂粒间的空隙

【点击查看】高效煤粉生产厂家

 

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(3)YIZHIPENGZHANGQUEXIANDECHANSHENGKAOJINJINSHU-ZHUXINGJIEMIANCHU,XINGSHAZHONGDEGAOXIAOMEIFENSHOUREERFASHENGJIAOHUAFANYINGSHI,XIANRUANHUABINGFASHENGTIJISHOUSUO,RANHOUZAIPENGZHANG,TIEJINZHUJIANDEXINGBIAOCENGSHENGGAO、DADAOSHIYINGDEXIANGBIANPENGZHANGWENDUSHI,QIFUJINDEXINGSHAZHONG,GAOXIAOMEIFENZHENGHAOCHUYURUANHUAHETIJISHOUSUODEWENDU,KEYIRONGRANGXINGBIAOCENGSHALIDEPENGZHANG,YINERKEFANGZHIZHUJIANSHANGCHUXIANJIASHA、SHUWEIZHILEIDEPENGZHANGQUEXIAN,BINGGAISHANZHUJIANCHICUNDEWENDINGXING。

(4)高效煤粉的焦化也有助于改善铸件的表面质量,贴近型表层的型砂中高效煤粉焦化时发生体积膨胀,能填塞型表层砂粒间的空隙,使铁液及由FeO产生的易熔硅酸盐难以渗入,从而改善铸件的表面质量。同时,离开铸型表面距离处仍然能保持应有的透气性。【具体可参考《高效煤粉的洁净燃烧技术及其应用你了解多少?》的相关内容】

 

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