Patent · US Expired

Apparatus and method of spray dryer/bag filter using circulating shield air

US5935299A · kind A · utility

4Cited by
8References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 4, 1997
Grant dateAug 10, 1999
Priority date
Expiry dateSep 4, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S261/27
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A spray dryer/bag filter apparatus for removing flue gas from an incinerator, which is structurized to re-circulate the purified gas as the shield air for protecting the slurry spraying nozzle thermally from hot gas without using any additional blower to introduce external air, that the flue gas is not diluted.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.