The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 25, 2021

Filed:

Jan. 25, 2019
Applicants:

Daniel R Higgins, Tigard, OR (US);

Eugene Sullivan, Mobile, AL (US);

Inventors:

Daniel R Higgins, Tigard, OR (US);

Eugene Sullivan, Mobile, AL (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F22B 21/36 (2006.01); F22B 31/00 (2006.01); F23G 5/32 (2006.01); F23J 15/02 (2006.01); F23G 5/04 (2006.01); F23G 5/24 (2006.01); F23G 5/30 (2006.01); F23G 5/44 (2006.01); F23G 5/46 (2006.01); F22B 21/34 (2006.01);
U.S. Cl.
CPC ...
F22B 31/003 (2013.01); F22B 21/341 (2013.01); F22B 21/36 (2013.01); F22B 31/0007 (2013.01); F23G 5/04 (2013.01); F23G 5/24 (2013.01); F23G 5/30 (2013.01); F23G 5/32 (2013.01); F23G 5/444 (2013.01); F23G 5/46 (2013.01); F23J 15/025 (2013.01); F23J 15/027 (2013.01); F23G 2205/20 (2013.01); F23G 2206/10 (2013.01); F23G 2206/203 (2013.01); F23G 2209/12 (2013.01); F23G 2209/261 (2013.01); Y02E 20/12 (2013.01);
Abstract

A ground supported power boiler is described combining a refractory lined and insulated conical floor; an insulated cylindrical combustion chamber; a cylindrical furnace with water tube wall; a rectangular convective section; a single vertical steam drum; tangential injection of the fuel and combustion air; means for fluidizing the fuel bed; means for selectively stripping particulates from the flue gases; multi-stage particulate stripping and filtering from flue gases, means for using the walls of steam drum as steam/water droplet separator, means for recirculating and capturing heat from the flue gases; means for pressurizing the interior of the boiler above atmospheric pressure; means for heating and drying fuel prior to feeding the fuel to the boiler; means for creating hydrogen shift reaction; means for eliminating any need for sootblowing; and designed to not require the use of an induced draft fan.


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