Foundry coke products, and associated systems, devices, and methods
US11851724B2 · kind B2 · utility
8Cited by
399References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 2022 |
| Grant date | Dec 26, 2023 |
| Priority date | — |
| Expiry date | Nov 4, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21B5/008
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A coke product configured to be used in foundry cupolas to melt iron and produce cast iron products is disclosed herein. In some embodiments, the coke product has a Coke Reactivity Index (CRI) of at least 30% and an ash fusion temperature (AFT) less than 1316° C. Additionally or alternatively, the coke product can comprise (i) an ash content of at least 8.0%, (ii) a volatile matter content of no more than 1.0%, (iii) a Coke Strength After Reaction (CSR) of no more than 40%, (iv) a 2-inch drop shatter of at least 90%, and//or (v) a fixed carbon content of at least 85%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.