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Igniter capable of being ignited repeatedly and ignition method

A technology of repeated ignition and igniter, which is used in machines/engines, rocket engine devices, jet propulsion devices, etc., can solve the problems of toxic ignition materials and the inability of repeated ignition of ignition devices, to prevent coking blockage, achieve repeated ignition, shorten the Effect of ignition delay time

Pending Publication Date: 2020-09-29
合肥中科重明科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For this reason, the embodiment of the present invention provides an igniter and an ignition method that can be re-ignited to solve the problems in the prior art that the igniter cannot be re-ignited and the ignition material is poisonous

Method used

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  • Igniter capable of being ignited repeatedly and ignition method
  • Igniter capable of being ignited repeatedly and ignition method

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Embodiment Construction

[0030] The implementation mode of the present invention is illustrated by specific specific examples below, and those who are familiar with this technology can easily understand other advantages and effects of the present invention from the contents disclosed in this description. Obviously, the described embodiments are a part of the present invention. , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] like figure 1 Shown, the present invention provides a kind of igniter that can re-ignite, comprise hydrogen peroxide catalytic bed 2, one end of described hydrogen peroxide catalytic bed 2 is equipped with the hydrogen peroxide that is used for injecting hydrogen peroxide liquid in it Nozzle 1, the other end of the hydrogen peroxide catalytic bed 2 is equipped with a transition section 3 ...

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Abstract

The embodiment of the invention discloses an igniter capable of being ignited repeatedly and an ignition method. The igniter comprises a hydrogen peroxide catalyst bed, wherein a hydrogen peroxide nozzle is installed at one end of the hydrogen peroxide catalyst bed, a transition section is installed at the other end of the hydrogen peroxide catalyst bed, the bottom end of the transition section communicates with a collecting distribution cavity, and the connecting surfaces of a premixing chamber and the collecting distribution cavity are provided with oxygen-enriched gas nozzles; and a fuel nozzle is installed on one side of the premixing chamber through a tapered structure section, a premixing chamber outlet throat is installed on the other side of the premixing chamber, and a step structure is installed on the outer side of the premixing chamber outlet throat. Hydrogen peroxide with a concentration of no less than 82% is decomposed by catalysts to produce high-temperature oxygen-enriched gas, then the high-temperature oxygen-enriched gas is mixed with hydrocarbon fuel in the premixing chamber, the temperature of fuel is improved, the ignition delay time is shortened, automatic ignition and initial reaction are realized, and then flames are jetted into a combustion chamber to ignite an engine.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of igniters, and in particular to an igniter and an ignition method that can be re-ignited. Background technique [0002] Igniter refers to a device that can provide enough energy to ignite coal powder and oil (gas) fuel in an instant and stabilize the flame. Igniters are divided into commercial stoves and civilian stoves: commercial stoves are mainly used for igniting stoves in catering kitchens. Because the use environment of catering kitchens is more complicated, the requirements for choosing igniters are relatively strict for civilian use. Civilian use is mainly used in the ignition system of household stoves. The use environment is simpler than that of catering stoves, and pulse ignition is often used. Liquid rockets and other high-altitude vehicles use an igniter to inject enough energy into the combustion chamber to cause the fuel in the combustion chamber to burn. [0003] Whe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02K9/94F02K9/95F02K9/52F02K9/60
CPCF02K9/52F02K9/60F02K9/94F02K9/95
Inventor 张泰昌范学军孟令瑾
Owner 合肥中科重明科技有限公司
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