Raw material sorting apparatus and method therefor
US9700899B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 26, 2013 |
| Grant date | Jul 11, 2017 |
| Priority date | — |
| Expiry date | Dec 26, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03C7/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus for separating the main component constituting a raw material from impurities includes: a raw material supply unit for supplying a raw material; a charging unit for charging the raw material supplied from the raw material supply unit; an electrostatic sorting unit for sorting the raw material, which has been charged by the charging unit, according to polarity; and a storage unit for collecting the raw material sorted by and falling from the electrostatic sorting unit, wherein the charging unit includes a charging chamber having a space therein for charging the raw material supplied from the raw material supply unit, and a charging rotor rotatably provided in the charging chamber, for impacting the raw material supplied from the raw material supply unit by the rotating force, thus effectively separating the impurities such as ash and sulfur contained in a raw material, e.g. coal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.