Rotatable throat assembly for coal pulverizer
US9468930B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 10, 2014 |
| Grant date | Oct 18, 2016 |
| Priority date | — |
| Expiry date | Aug 13, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB02C15/001
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A rotatable throat assembly for a coal pulverizer which includes a plurality of throat segments secured to a ring seat in the pulverizer, a plurality of ledge cover segments on the throat segments, and a plurality of air seal segments secured on top of the ledge cover segments wherein the air seal segments each includes a layer of flexible, durable, high temperature-resistant polymer/rubber material projecting to within close proximity to the inner wall of the pulverizer to substantially block air flow between the rotatable throat assembly and the inner wall of the pulverizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.