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Rotational flow type air inlet porous medium combustor used for gentle heating photoelectricity

A porous medium, micro-thermal photoelectric technology, applied in the direction of gas fuel burner, burner, combustion type, etc., can solve the problems of uneven temperature distribution, low energy conversion rate, low combustion efficiency, etc., to increase the probability of collision, combustion Full, complete combustion effect

Active Publication Date: 2020-09-25
JIANGSU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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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  • Rotational flow type air inlet porous medium combustor used for gentle heating photoelectricity
  • Rotational flow type air inlet porous medium combustor used for gentle heating photoelectricity
  • Rotational flow type air inlet porous medium combustor used for gentle heating photoelectricity

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with 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 air intake porous media burner for micro-thermophotovoltaic according to the present invention includes an intake area 6, a combustion area 9 and a premixing area 7, and the premixing area 7 is located in the intake area 6 and between the combustion zone 9, the shape of the air intake area 6 is an inverted circular table, at least six air intake passages 5 are evenly distributed in the air intake area 6, and the inlet and outlet of any one of the air intake passages 5 are in the Circumferentially offset, the inclination angle of the axis of the air intake duct 5 is 20° to 60°, that is, assuming that the inlet of the air intake channel 5 is at the circumferential 0 degree position of the small end face of the circu...

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Abstract

The invention provides a rotational flow type air inlet porous medium combustor used for gentle heating photoelectricity. The rotational flow type air inlet porous medium combustor comprises an air inlet area, a combustion area and a pre-mixing area. The pre-mixing area is located between the air inlet area and the combustion area. Multiple air inlet channels are evenly distributed in the air inlet area, and an inlet and an outlet of any air inlet channel are upwards deflected in the circumferential direction. Catalyzing baffles in one-to-one correspondence with the air inlet channels are arranged in the pre-mixing area, and the catalyzing baffles are close to the outlets of the air inlet channels so that fuel can be rapidly mixed to reach the uniform state. Filling of combustion area porous media and heat storage area porous media is conducted in sequence according to the flowing direction. By means of the rotational flow type air inlet porous medium combustor used for gentle heatingphotoelectricity, a gas pre-mixing manner is adopted in the pre-mixing area, the stability of airflow at the ignition position can be greatly improved, the combustion strength is improved, the contactarea between the pre-mixing airflow and the porous media is enlarged, the regeneration effect of the porous media is more sufficiently utilized, the combustion efficiency is improved, and combustionis more complete.

Description

technical field [0001] The invention relates to the technical field of micro-scale thermal photoelectric energy conversion, in particular to a swirling air intake porous media burner for micro thermal photoelectricity. Background technique [0002] With the continuous development of micro-electromechanical systems (MEMS) and the continuous improvement of 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-thermophotonics system is to burn the fuel 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 different from traditional burners. First, because the surface-to-body ratio of the micro-combustion chamber is too large, the heat loss on the wall surface will increase grea...

Claims

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Application Information

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Patent Type & Authority Applications(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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