Acoustic ash deposition monitor apparatus and method
US4980674A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 1989 |
| Grant date | Dec 25, 1990 |
| Priority date | — |
| Expiry date | Nov 27, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF22B37/56
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An acoustic ash depostion monitoring apparatus for a boiler arrangement having at least one soot blower. The apparatus comprises at least one tone generating apparatus for generating a tone and at least one tone receiving apparatus, located in proximity to the tone generating apparatus, for receiving the tone generated by the tone generating apparatus. Also provided are controlling apparatus for determining when the tone received by the receiving apparatus falls below a predetermined level and for enabling a soot blower in proximity to the tone generating and tone receiving apparatus when the tone received by the receiving apparatus is determined to have fallen below the predetermined level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.