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1. 发明授权

US09212404B2 Preparation method for stainless steel slags and steelworks slags for recovery of metal 有权
标题翻译：用于回收金属的不锈钢炉渣和钢铁炉渣的制备方法
公开(公告)号：US09212404B2
公开(公告)日：2015-12-15
申请号：US13582966
申请日：2010-11-11
申请人： Carsten Gerold , Frank Dardemann , Joerg Langel , Holger Wulfert
发明人： Carsten Gerold , Frank Dardemann , Joerg Langel , Holger Wulfert
IPC分类号： B02C15/00 , C04B5/00 , C22B7/00 , C21B3/04 , C22B7/04
CPC分类号： C21B3/04 , B02C15/00 , B02C2015/002 , C04B5/00 , C22B7/005 , C22B7/04 , Y02P10/212 , Y02W30/54 , Y02W30/542
摘要： The invention relates to a preparation method for stainless steel slags and modified steelworks slags for recovery of metal. In order to create a dry preparation method which guarantees a low wear and energy efficient comminution and de-agglomeration of stainless steel slags and modified steelworks slags as well as a selective separation of a metal fraction and a silicate fraction and which can be variable in relation to the different slag compositions and different requirements upon the quality of the metal fraction and the at least one silicate fraction, a roller mill is used at least for the comminution. The slags are supplied with a feed grain size of up to approximately 150 mm. The use of an air swept roller mill is advantageous, in which the comminution and de-agglomeration, if necessary drying, and at the same time a separation into an extensively mineral-free metal fraction and a virtually metal-free silicate fraction are brought together. When using an overflow roller mill the separation of the metal fraction and the silicate fraction takes place in an external classifier.
摘要翻译：本发明涉及一种用于回收金属的不锈钢炉渣和改良钢铁炉渣的制备方法。为了制备干法制备方法，其保证了不锈钢渣和改性钢铁炉渣的低磨损和能量有效的粉碎和脱附，以及金属部分和硅酸盐部分的选择性分离，并且可以相关地变化对于不同的炉渣组成和对金属部分和至少一种硅酸盐部分的质量的不同要求，至少使用辊磨机进行粉碎。炉渣的进料粒度可达150 mm左右。使用空气吹扫辊磨机是有利的，其中粉碎和去附聚（如果需要干燥），同时分离成不含矿物的金属部分和实质上不含金属的硅酸盐部分被聚集在一起。当使用溢流辊磨机时，金属部分和硅酸盐部分的分离发生在外部分级机中。

2. 发明申请

US20120325055A1 PREPARATION METHOD FOR STAINLESS STEEL SLAGS AND STEELWORKS SLAGS FOR RECOVERY OF METAL 审中-公开
标题翻译：用于钢铁回收的不锈钢丝和钢丝绳的制备方法
公开(公告)号：US20120325055A1
公开(公告)日：2012-12-27
申请号：US13582966
申请日：2010-11-11
申请人： Carsten Gerold , Frank Dardemann , Joerg Langel , Holger Wulfert
发明人： Carsten Gerold , Frank Dardemann , Joerg Langel , Holger Wulfert
IPC分类号： C22B7/04 , C22B1/14
CPC分类号： C21B3/04 , B02C15/00 , B02C2015/002 , C04B5/00 , C22B7/005 , C22B7/04 , Y02P10/212 , Y02W30/54 , Y02W30/542
摘要： The invention relates to a preparation method for stainless steel slags and modified steelworks slags for recovery of metal. In order to create a dry preparation method which guarantees a low wear and energy efficient comminution and de-agglomeration of stainless steel slags and modified steelworks slags as well as a selective separation of a metal fraction and a silicate fraction and which can be variable in relation to the different slag compositions and different requirements upon the quality of the metal fraction and the at least one silicate fraction, a roller mill is used at least for the comminution. The slags are supplied with a feed grain size of up to approximately 150 mm. The use of an air swept roller mill is advantageous, in which the comminution and de-agglomeration, if necessary drying, and at the same time a separation into an extensively mineral-free metal fraction and a virtually metal-free silicate fraction are brought together. When using an overflow roller mill the separation of the metal fraction and the silicate fraction takes place in an external classifier.
摘要翻译：本发明涉及一种用于回收金属的不锈钢炉渣和改良钢铁炉渣的制备方法。为了制备干法制备方法，其保证了不锈钢渣和改性钢铁炉渣的低磨损和能量有效的粉碎和脱附，以及金属部分和硅酸盐部分的选择性分离，并且可以相关地变化对于不同的炉渣组成和对金属部分和至少一种硅酸盐部分的质量的不同要求，至少使用辊磨机进行粉碎。炉渣的进料粒度可达150 mm左右。使用空气吹扫辊磨机是有利的，其中粉碎和去附聚（如果需要干燥），同时分离成不含矿物的金属部分和实质上不含金属的硅酸盐部分被聚集在一起。当使用溢流辊磨机时，金属部分和硅酸盐部分的分离发生在外部分级机中。

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