Mill inert apparatus for coal pulverizer and method for prevention of explosion
US5230474A · kind A · utility
4Cited by
1References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 1991 |
| Grant date | Jul 27, 1993 |
| Priority date | — |
| Expiry date | May 23, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S241/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A mill inert apparatus for preventing the explosion of a mill inert apparatus which comprises a drain separator and a drain trap for separating and removing drain contained in an inert vapor, and a drain discharge route for discharging the separated drain. Furthermore, a method for preventing the explosion of a coal pulverizer which comprises the step of introducing an inert medium into the coal pulverizer in specific operation stages so that an oxygen concentration in the coal pulverizer may be in the range of from 13% to 15%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.