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surface burning gas burners

A gas burner and surface combustion technology, which is applied to gas fuel burners, burners, combustion methods, etc., can solve the problems of increasing the total cost of the burner and expensive steel fibers.

Active Publication Date: 2017-06-23
SERMETA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, steel fibers are expensive, which increases the overall cost of the burner

Method used

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  • surface burning gas burners

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0048] A first embodiment of a gas burner according to the invention will be referred to Figure 1-4 And is described.

[0049] The burner includes a combustion grid. It is connected to a device (not shown), such as a fan, configured to convey a gas-air mixture under pressure (eg, natural gas and air) into the combustor. The gas mixture passes through the ports and openings of the grid and combustion starts from the outer surface of the combustion grid thanks to an ignition system known to those skilled in the art.

[0050] The combustion grid consists of a sheet (or plate) 1 made of metal, such as stainless steel or of refractory material. The inner and outer surfaces are marked 11 and 12 respectively.

[0051] The sheet 1 is perforated with a series of slits 2 of generally rectangular shape, each slit 2 having two longitudinal edges 23,24.

[0052] Each slot 2 is capped with a bridge 3 or "bridge" which is in one piece (integrated) with the sheet 1 and protrudes from the...

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PUM

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Abstract

The invention relates to a surface gas burner comprising a combustion grid consisting of a metal sheet pierced by a series of slots (2). The burner is characterized in that said sheet metal comprises a series of baffles (3) made in one piece with said sheet metal and protruding from the outer surface (12) of said sheet metal, each A deflector (3) extends longitudinally and laterally over the entire surface of the groove (2) and is characterized in that said deflector (3) comprises a guiding portion for directing the airflow and is joined to the metal sheet (1 ), the guide portion is separated from the metal sheet so as to provide at least one side gas injection port (40, 40') thereof, and the deflectors are arranged in pairs, so that the same pair of the The lateral gas injection ports face each other.

Description

technical field [0001] The invention belongs to the field of surface combustion gas burners. Background technique [0002] The term "gas burner" refers to a burner that is actually supplied with a premixed gas-air mixture. In the accompanying description and claims, the term "gas" is used for the sake of simplicity to actually refer to a premixed gas-air mixture. [0003] In contrast to flame-breathing burners, so-called "surface burning" burners mean that the combustion takes place on a combustion surface or grid through which the gas-air mixture is guided under pressure. [0004] This type of burner is found especially, but not exclusively, for gas water heaters. Such burners produce combustion gases which heat a heat exchanger through which the fluid to be heated flows. [0005] In gas burners of this type, the flame holding properties on the combustion surfaces determine the quality of combustion of the fuel used (gas in this case) and the power range of the burner. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23D14/58F23D14/70F23D14/02F23D14/26
CPCF23D14/02F23D14/26F23D14/58F23D14/70F23D2203/104F23D14/145F23D14/583F23D2203/1026F23D2900/00012F23D14/586
Inventor J.勒默
Owner SERMETA