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Porous medium combustion apparatus of combustion use liquid fuel

A technology of porous media and burners, applied to gas fuel burners, burners, combustion methods, etc., to achieve full combustion, optimized combustion characteristics, and broad market prospects

Inactive Publication Date: 2009-10-14
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a porous medium combustion device for burning liquid fuel, and its purpose is to solve the problems of burning non-combustible liquid fuel in free space, improving the combustion efficiency of liquid fuel and reducing the emission level of pollutants, etc.

Method used

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  • Porous medium combustion apparatus of combustion use liquid fuel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Step 1. First, let air and gas enter the pre-mixing chamber from the air inlet and the gas inlet respectively. After the pre-mixing chamber is mixed, the pulse igniter ignites, so that a combustion flame appears in the porous ceramic foam ceramic area.

[0016] Step 2. The combustion flame gradually moves from the porous ceramic foam area to the upper small-diameter porous medium ball area and the large-diameter porous medium ball area to realize the filtering and burning of the premixed gas in the multi-layer porous medium structure.

Embodiment 2

[0018] Step 1. First, let air and gas enter the pre-mixing chamber from the air inlet and the gas inlet respectively. After the pre-mixing chamber is mixed, the pulse igniter ignites to make a combustion flame appear in the foam ceramic area of ​​the porous medium to preheat the foam ceramic.

[0019] Step 2. When the temperature of the ceramic foam area reaches the vaporization temperature of the liquid fuel, the liquid fuel is sprayed into the ceramic foam area, and the liquid fuel vaporizes quickly on the surface and inside of the ceramic foam and burns.

[0020] Step 3. After the combustion flame stabilizes in the porous medium ball area, close the gas inlet to achieve stable combustion of liquid fuel. The combustion process can be controlled by adjusting the fuel injection condition of the liquid fuel injector.

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Abstract

The invention relates to a porous medium combustion apparatus of combustion use liquid fuel, which comprises a burner shell, a fuel injector, a premixing chamber, a perforated plate, a pulse igniter, porous foam ceramics, and a porous medium pellet and is characterized in that the perforated plate divides the combustion apparatus into a combustion chamber and an upper part and a lower part of the premixing chamber; the combustion chamber is internally provided with the porous medium pellet which is supported by the lower foamed ceramics; the space bond by the foamed ceramics is internally provided with the fuel injector and the pulse igniter; the premixing chamber is connected with an air inlet and a fuel gas inlet; the combustion apparatus preheats the foamed ceramics by the combustion of the gas fuel, and then sprays the liquid fuel on the foamed ceramics to realize the vaporization and combustion of the liquid fuel. The porous medium combustion apparatus of the f combustion use liquid fuel has effects and benefits that the combustion apparatus can burn the liquid fuel such the gas oil difficult to be burned in free space, industrial flammable waste liquor and the like, has the function of a gas burner; the combustion apparatus does not need a vaporizing unit internally and is characterized by high combustion efficiency and low pollutant discharge.

Description

Technical field [0001] The invention belongs to the technical field of porous medium combustion, and relates to a porous medium combustion device that burns liquid fuel. Background technique [0002] At present, energy and environmental issues have become the top priority in the development of human society. How to achieve efficient and clean combustion is an urgent issue faced by the combustion industry at home and abroad. For a long time, the traditional combustion method is dominated by free space combustion, which has been troubled by low combustion efficiency and large pollutant emissions. As a new type of combustion method, porous media combustion technology replaces free space with inert porous media materials, and uses its much more powerful heat storage function and radiation characteristics than gas to achieve thermal feedback, thereby greatly enhancing the combustion reaction.项技术。 A technology. Existing studies have shown that porous media combustion technology can imp...

Claims

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Application Information

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IPC IPC(8): F23D11/00F23D11/42F23D11/44F23D14/14F23D14/02F23D14/62
Inventor 刘宏升吴丹解茂昭史俊瑞
Owner DALIAN UNIV OF TECH
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