The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 13, 2013
Filed:
Feb. 23, 2011
Jianguo Han, Beijing, CN;
Zhaohua Guo, Bejing, CN;
Wenhui Zhang, Beijing, CN;
Cundi Wei, Beijing, CN;
Yongwang Wang, Beijing, CN;
Shaonan Xu, Beijing, CN;
SA LV, Beijing, CN;
Hong Dong, Beijing, CN;
Junzhou Chi, Beijing, CN;
Jianmin Zhang, Beijing, CN;
Qingan Nan, Beijing, CN;
Jianguo Han, Beijing, CN;
Zhaohua Guo, Bejing, CN;
Wenhui Zhang, Beijing, CN;
Cundi Wei, Beijing, CN;
Yongwang Wang, Beijing, CN;
Shaonan Xu, Beijing, CN;
Sa Lv, Beijing, CN;
Hong Dong, Beijing, CN;
Junzhou Chi, Beijing, CN;
Jianmin Zhang, Beijing, CN;
Qingan Nan, Beijing, CN;
China Shenhua Energy Company Limited, Beijing, CN;
Abstract
A vertical ring magnetic separator for de-ironing of coal ash comprises a rotating ring (), an inductive medium (), an upper iron yoke (), a lower iron yoke (), a magnetic exciting coil (), a feeding opening (), a tailing bucket () and a water washing device (). The feeding opening () is used for feeding the coal ash to be de-ironed, and the tailing bucket () is used for discharging the non-magnetic particles after de-ironing. The upper iron yoke () and the lower iron yoke () are respectively arranged at the inner and outer sides of the lower portion of the rotating ring (). The water washing device () is arranged above the rotating ring (). The inductive medium () is arranged in the rotating ring (). The magnetic exciting coil () is arranged at the periphery of the upper iron yoke () and the lower iron yoke () so as to make the upper iron yoke () and the lower iron yoke () to be a pair of magnetic poles for generating a magnetic field in the vertical direction, wherein the inductive medium () is layers of steel plate meshes, each steel plate mesh is woven by wires, and ridge-shape sharp corners are formed at the edges of the wires. A method for magnetically separating and de-ironing of coal ash, utilizes the vertical ring magnetic separator for de-ironing of coal ash. By adopting the vertical ring magnetic separator and the method of magnetic separation for de-ironing, the de-ironing efficiency is improved by at least 20%.