Coal heating temperature control
US4008042A · kind A · utility
6Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 1975 |
| Grant date | Feb 15, 1977 |
| Priority date | — |
| Expiry date | Nov 26, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10B31/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Method for maintaining preheating equipment used for heating coal at a temperature within a temperature range normally used for heating said coal in said equipment which comprises introducing into said equipment a heat-absorbing liquid at a rate sufficient to maintain said equipment within said temperature range. Typically, the heat-absorbing liquid is an aqueous solution, preferably water, and said temperature range for preheating said coal is from 250.degree. to 700.degree. F.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.