Stepped floor for solid fuel boilers
US8707876B2 · kind B2 · utility
5Cited by
41References
9Claims
0Family size
Inventors
Key dates
| Filing date | Sep 10, 2009 |
| Grant date | Apr 29, 2014 |
| Priority date | — |
| Expiry date | Jan 27, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23N2231/26
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A design and method of operation for the floor of solid fuel boilers is described. The combustion region includes a stepped-floor that improves combustion in the lower furnace. In some embodiments, the fuel is moved between the steps of the floor by a gas, rather than by mechanical means, and the fuel is moved from an upper to a lower step as it is burned. In some embodiments, the steps are fixed steps having a layer of a refractory material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.