A swirling air inlet porous medium burner for microthermophotoelectricity

A porous medium, micro-thermal photoelectric technology, applied in the direction of gas fuel burners, burners, combustion types, etc., can solve the problems of uneven temperature distribution, low energy conversion rate, low combustion efficiency, etc., to reduce activation energy, combustion Full and complete combustion effect

Active Publication Date: 2022-07-22
JIANGSU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The invention can also effectively solve the problems of low combustion efficiency, uneven temperature distribution and low energy conversion rate in traditional micro burners

Method used

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  • A swirling air inlet porous medium burner for microthermophotoelectricity
  • A swirling air inlet porous medium burner for microthermophotoelectricity
  • A swirling air inlet porous medium burner for microthermophotoelectricity

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Embodiment Construction

[0024] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.

[0025] like figure 1 and figure 2 As shown, the swirling inlet porous media burner for microthermophotoelectricity according to the present invention includes an inlet zone 6, a combustion zone 9 and a premix zone 7, and the premix zone 7 is located in the inlet zone 6 Between the combustion zone and the combustion zone 9, the shape of the intake zone 6 is an inverted truncated cone, and at least six intake passages 5 are evenly distributed in the intake zone 6, and the inlet and outlet of any one of the intake passages 5 are at Offset in the circumferential direction, the inclination angle of the axis of the intake duct 5 is 20°~60°, that is, if the inlet of the intake channel 5 is at 0 degrees in the circumferential direction of the small end face of the truncated cone,...

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Abstract

The present invention provides a swirling inlet porous medium burner for microthermophotoelectricity, comprising an inlet zone, a combustion zone and a premix zone, wherein the premix zone is located between the inlet zone and the combustion zone, so A number of intake passages are evenly distributed in the intake area, the inlet and outlet of any one of the intake passages are offset in the circumferential direction, and the premixing area is provided with a catalytic baffle corresponding to the intake passages one-to-one , and the catalytic baffle plate is close to the outlet of the intake passage, which is used to quickly mix the fuel to achieve a uniform state. The combustion zone is filled with porous media in the combustion zone and porous media in the heat storage zone in sequence according to the flow direction. The invention adopts the gas premixing method in the premixing area, which can greatly enhance the stability of the gas flow at the ignition place, improve the combustion intensity, and increase the contact area between the premixed gas flow and the porous medium, and more fully utilize the return of the porous medium. The heat effect improves the combustion efficiency and makes the combustion more complete.

Description

technical field [0001] The invention relates to the technical field of micro-scale thermo-photoelectric energy conversion, in particular to a swirling air inlet porous medium burner for micro-thermo-photoelectricity. Background technique [0002] With the continuous development of micro-electro-mechanical systems (MEMS) and the continuous improvement of the micro-combustion theory, people are paying more and more attention to the field of micro-energy. become the focus of current research. The basic principle of the micro-thermal photovoltaic system is to make the fuel burn in the burner to generate chemical energy, generate radiation on the wall of the burner, and then generate electricity through the photovoltaic cell. Because the scale of the entire combustion reaction is very small, there will be some problems that are different from traditional burners. First of all, because the surface-to-body ratio of the micro-combustion chamber is too large, the heat loss on the wa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23D14/14F23D14/18F23D14/70H02S10/30
CPCF23D14/14F23D14/18F23D14/70H02S10/30Y02E10/50
Inventor 卢青波苟杰潘剑锋张倚
Owner JIANGSU UNIV
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