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A double-nozzle flat-plate micro-combustion chamber based on hydrocarbon fuel

A micro-combustion chamber and hydrocarbon fuel technology, which is applied in the direction of burning various fuels, gas fuel burners, block fuels and liquid fuels, etc. It can solve the problems of difficult processing and promotion, and increased complexity of the combustion chamber. problems, to achieve the effects of miniaturization, diffusion, and complete diffusion

Inactive Publication Date: 2011-12-14
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the addition of these devices, the complexity of the combustion chamber increases, making it difficult to process and promote

Method used

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  • A double-nozzle flat-plate micro-combustion chamber based on hydrocarbon fuel
  • A double-nozzle flat-plate micro-combustion chamber based on hydrocarbon fuel
  • A double-nozzle flat-plate micro-combustion chamber based on hydrocarbon fuel

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Embodiment Construction

[0015] Such as Figure 1-2 , the present invention is made up of two identical micro-combustion chambers 5, and the micro-combustion chamber 5 adopts high-temperature-resistant materials, such as Sic, Al 2 o 3 Wait. The micro-combustion chamber 5 is a cube structure, and the length, width and height of the cavity inside the cube a, b, and h are usually 10mm, 10mm, 0.6mm or 8mm, 8mm, 0.6mm, and the wall thickness of the micro-combustion chamber 5 is generally 0.20~0.35mm. In the middle of an upper wall surface of the micro-combustion chamber 5, there is an outlet 3, and the axial direction of the outlet 3 is consistent with the height h direction of the micro-combustion chamber 5. There are respectively a left inlet 1 and a right inlet 2 in the middle of the opposite side walls of the micro-combustion chamber 5, and the left inlet 1 and the right inlet 2 communicate with the micro-combustion chamber 5 and the external environment. The radii of the left inlet 1 and the right...

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Abstract

The invention relates to the fields of micro-combustion and novel energy utilization, and relates to a double-nozzle flat type micro-combustion chamber based on hydrocarbon fuel. The double-nozzle flat type micro-combustion chamber comprises two same-structured cubic micro-combustion chambers. An outlet is arranged in the center of an upper surface of each micro-combustion chamber. A left inlet and a right inlet are arranged on the center of two opposite sidewalls of each micro-combustion chamber. The micro-combustion chambers are piled along a height direction with a clearance, and the outlets of the micro-combustion chambers are positioned face to face. The clearance between the two micro-combustion chambers forms a tail gas discharging cavity. An inlet incidence angle theta formed by a velocity direction of a fuel inlet and a central axis direction of the left inlet and the right inlet is 18 to 22 DEG. With the double-nozzle flat type micro-combustion chamber, spaces in micro-combustion chambers are fully utilized, large-flow high-efficiency combustion is realized in micro-scaled chambers, diffusivity of combustion is realized, combustion can be carried out with a relatively low flow, a limitation scope of micro-scaled combustion is improved, and combustion chamber apparatus can be further minimized.

Description

technical field [0001] The invention relates to a flat-plate micro-combustion chamber based on hydrocarbon fuel, which belongs to the field of micro-scale combustion new energy utilization. Background technique [0002] The micro-combustor based on hydrocarbon fuel is the core component of the micro-power system. The design of its structure determines the flow pattern of the internal airflow, which in turn affects the intensity and efficiency of combustion. It plays a decisive role in the structure of the entire micro-power system and also significantly affects the unit. volumetric energy output. [0003] Hydrocarbon combustion has a high energy density, but under micro-scale conditions, the residence time of the premixed gas inside the combustion chamber is significantly reduced, and the difficulty of complete reaction increases; on the other hand, due to the increase in surface area, heat loss increases, The premixed gas is easier to flame out in the combustion chamber,...

Claims

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Application Information

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IPC IPC(8): F23C6/00F23C5/32F23D14/58
Inventor 潘剑锋周俊邵霞范宝伟
Owner JIANGSU UNIV
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