Micropulsation combustor

A technology of micro burner and pulsation combustion, which is applied in the direction of burner, gas fuel burner, combustion method, etc., to achieve the effect of short time, high energy density and stable position

Inactive Publication Date: 2012-10-10
TIANJIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

After searching, there is no report on the application of pulse combustion to micro burners

Method used

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Embodiment Construction

[0021] The present invention will be further described in detail below through the specific examples, the following examples are only descriptive, not restrictive, and cannot limit the protection scope of the present invention with this.

[0022] A micro-pulse burner, characterized in that it consists of a micro-burner 2, a gas inlet pipe 5, a platinum metal fiber mesh 3 and a high-voltage electrode igniter 4, the micro-burner is a high-temperature-resistant hollow circular tube, and the micro-burner is made of Hollow round tubes made of stainless steel, quartz or ceramic materials. Its lower end is a gas inlet 6, and its upper end is a gas outlet 1. When in use, it is placed vertically. The inner diameter of the micro burner is 10-14 mm, the wall thickness is 1.5-2.1 mm, the length is 20-30 cm, and the aspect ratio of the micro burner is 20-30. The microburner tube preferably has an inner diameter of 12 mm, a wall thickness of 1.8 mm, and an overall length of 25 cm. The pl...

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Abstract

The invention relates to a micropulsation combustor which consists of a micro-combustor, a gas inlet pipe, a platinum metallic fiber net and a high-voltage electrode igniter, wherein the micro-combustor is a high-temperature-resistant hollow circular tube; a gas inlet is arranged at the lower end of the micro-combustor; a gas outlet is arranged on the upper end part of the micro-combustor; the inner diameter of the micro-combustor is 10-14mm; the thickness of the wall of the micro-combustor is 1.5-2.1mm; the length of the micro-combustor is 20-30cm; the draw ratio of the micro-combustor is 20-30; the platinum metallic fiber net is fixed at the position which is 1/4 of the inner lower end of the micro-combustor; the high-voltage electrode igniter is arranged at the position which is 1-2mm of the upper part of the platinum metallic fiber net inside the micro-combustor; and the gas inlet pipe is arranged inside the end of the gas inlet at the lower end of the micro-combustor, and a gas overflow hole is formed at the front end of the gas inlet pipe. The micropulsation combustor disclosed by the invention has the advantages that the combustion position is stable, the combustion is full, the pulsation combustion is reliable, the combustion speed is fast, the time is short, the strength is high, the heat loss is less, the heat efficiency is high, and the like; and the micropulsation combustor has application prospect applied to a micro-energy system.

Description

technical field [0001] The invention belongs to the field of micro-dynamic electromechanical systems, in particular to a micro-pulse burner. Background technique [0002] In recent decades, micro-devices and their systems, such as sensors, micro-scale aircraft, micro-medical devices, micro-pumps, micro-motors, etc., have been widely used in the fields of national defense, scientific research, medical treatment and industry. The above-mentioned devices, systems and products all require the energy supply system to be a micro-energy system with the characteristics of small size, light weight, high energy density and long duration. Combustion-based micro-power / power generation systems have the advantages of high energy density, small size, convenient refueling, and no environmental pollution. It is considered to be a promising method to solve the above problems, and has attracted attention from all over the world. At present, the characteristic size of the micro-power / generatin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23D14/02F23D14/14F23D14/46
Inventor 吴中华
Owner TIANJIN UNIV OF SCI & TECH
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