Shell boilers
US4308826A · kind A · utility
1Cited by
8References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 13, 1978 |
| Grant date | Jan 5, 1982 |
| Priority date | — |
| Expiry date | Nov 13, 1998 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF22B31/0053
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A shell boiler containing boiler water or other fluid to be heated, including a furnace providing a fluidized bed and disposed inside or outside the boiler. Heat transfer pipes extend through the fluidized bed and are connected for natural circulation with the boiler fluid. In a preferred embodiment, the furnace is constituted by a furnace section of the boiler and the heat transfer pipes extend vertically through the bed and through the furnace section and are provided throughout the entire length of the furnace section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.