Sootblower lance tube for dual cleaning media
US6782902B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2002 |
| Grant date | Aug 31, 2004 |
| Priority date | — |
| Expiry date | Jun 1, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B15/74
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A long retracting sootblower device for conducting different cleaning media types to the interior of a heat exchanger having a lance tube assembly (12), a feed tube, a carriage assembly (1), a first cleaning media supply, and a second cleaning media supply. The lance tube assembly includes a manifold (25), a hub (21) mounted to the manifold (25), a tube section (13) extending outward from the hub (21), and a nozzle assembly (18). The nozzle assembly includes nozzles (50, 52) adapted for directing a stream of cleaning media. The manifold (25) includes at least one cylindrical tube (32) with first and second ends, the first end (34) being permanently mounted to the manifold (25), and the second end (35) engaging the nozzle assembly (18). The manifold (25) and cylindrical tube (32) define a first high pressure passage for conducting cleaning media from the first cleaning media supply to the nozzle assembly (18). The manifold (25) also includes a shield assembly (36) for supporting the cylindrical tube (32) within the lance tube assembly (12).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.