Method for producing ferrocoke
US11111441B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2016 |
| Grant date | Sep 7, 2021 |
| Priority date | — |
| Expiry date | Nov 19, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21B5/007
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for producing ferrocoke in which it is possible to use a cheap and poor-quality coal having a high ash content while suppressing the decrease of the strength in ferrocoke or formed coke and a special coal mixing is not performed with respect to the fusion frequently causing problems in the carbonization with the shaft furnace. In a method for producing ferrocoke by molding and carbonizing a mixture of coal and iron ore, the coal is a single coal or a mixture of plural coals and a non-caking or slight caking coal having a load average value of ash content of not less than 10.7% and a load average value of mean maximum reflectance of not less than 0.81% is used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.