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Burner

a burner and burner technology, applied in the field of burners, can solve the problems of imperfect combustion, unfavorable product cost, and affecting product reliability, and achieve the effects of reducing the cost of the product, and sometimes also the reliability of the produ

Inactive Publication Date: 2018-11-01
FIREFORCE TECH SARL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention aims to provide a burner that can burn clean and efficiently, with low levels of NOx and CO emissions.

Problems solved by technology

Flame burners cause a localized high temperature, which results in the formation of unwanted pollutants, such as NOx.
If optimal conditions are not achieved, imbalances may occur which result in imperfect combustion.
This obviously has a detrimental effect on the cost of the product and sometimes also on its reliability.
However, this document does not describe stepped injectors with respect to fuel movement.

Method used

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Embodiment Construction

[0014]In the embodiment of the invention illustrated by FIGS. 1 and 1a, the combustion chamber 70 is a vertical cylindrical body 70 which may be made of steel, or any other suitable material. Of course, the invention could be implemented by combustion chambers of different shape and / or orientation: these characteristics are not essential for the invention.

[0015]In the illustrated example, a fuel gas 40 is produced by a pyrolysis furnace 45 in which wood, or a similar material, is converted into charcoal with the production of combustible gases and vapors. The fuels, produced and preheated by the pyrolysis, enter through a lower opening and move upwardly by natural convection, pass through the combustion zone 77 in which they are converted into burnt product 60, and exit through the upper opening.

[0016]The present device has been specifically designed for burning pyrolysis products, and has provided very satisfactory results in this application, being capable of high energy efficienc...

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PUM

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Abstract

The invention relates to a burner for gaseous, fluid or powdery fuels, into which three components are introduced: a fuel (40); an oxidizing gas (10), for example air; and an inert gas (20), for example gases produced by combustion, nitrogen or water vapor. Two components, for example, air and inert gas, are mixed together and propelled by at least one injection stage (95) arranged at different positions in relation to the movement of the fuel.

Description

TECHNICAL FIELD[0001]The present invention relates to a burner for gaseous or gasifiable fuels. According to an important aspect, the burner of the invention allows the combustion at moderate temperature, without visible flame, and is characterized by a particularly low emission rate, in particular as regards the CO, solid particles, and oxides of nitrogen (NOx). The present invention is suitable for use with a large number of fuels.STATE OF THE ART[0002]Several variants of burners are known in the art, making it possible to use any kind of fuel. Flame burners cause a localized high temperature, which results in the formation of unwanted pollutants, such as NOx.[0003]Flameless burners are also known which combine good energy efficiency with low emissions. In these burners, also known as FLOX® burners, a portion of the flue gas is recycled in the combustion zone. In this way, the mixture is depleted and a diffuse combustion is obtained whose temperature is more uniform than in conven...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F23C9/08F23L7/00F23C6/04
CPCF23C9/08F23L7/00F23C6/042F23C2205/20F23C2900/99001F23G2201/303F23L2900/07009F23G5/165F23G5/46F23G7/06F23G2201/304F23G2209/261F23L2900/07002Y02E20/34
Inventor VAN DER VEKEN, ANDRE
Owner FIREFORCE TECH SARL