Title:
ALL PRIMARY COMBUSTION BURNER
Document Type and Number:
Japanese Patent JP2020134086
Kind Code:
A
Abstract:
To reduce cost for an all primary combustion burner comprising a combustion plate 12 from which an air-fuel mixture is ejected, in which the combustion plate 12 comprises a porous body 123 made of metal fiber and a distribution plate 124 that is placed on a back surface of the porous body 123 in an overlapping manner and provided with a large number of distribution holes 124a.SOLUTION: A porous body 123 is composed of a non-woven fabric in which metal fibers are laminated in a felt shape. The surface of the non-woven fabric 123 is covered with a metal mesh sheet 125. Preferably, the mesh sheet 125 is formed by knitting wires formed by bundling a plurality of metal fibers into a mesh shape. Further, the mesh size of the mesh sheet 125 is equal to or smaller than the flame extinguishing distance of the air-fuel mixture ejected from the combustion plate.SELECTED DRAWING: Figure 6
Inventors:
ONO TAKAHIRO
Application Number:
JP2019031678A
Publication Date:
August 31, 2020
Filing Date:
February 25, 2019
Export Citation:
Assignee:
RINNAI KK
International Classes:
F23D14/02; F23D14/16
Domestic Patent References:
| JPH0835621A | 1996-02-06 | |||
| JPH09229314A | 1997-09-05 | |||
| JP2002162028A | 2002-06-07 | |||
| JP2019020045A | 2019-02-07 | |||
| JPS5221437U | 1977-02-15 | |||
| JP2014009838A | 2014-01-20 | |||
| JPS5018214B1 | 1975-06-27 |
Foreign References:
| EP2876369A1 | 2015-05-27 |
Attorney, Agent or Firm:
Seiryu Corporation