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Integral gasification furnace ignition device under pressure

The technology of an ignition device and a gasifier is applied in the direction of combustion ignition, lighting and heating equipment, combustion methods, etc., which can solve the problems of ignition burner pollution, ignition failure, unstable operation, etc., and achieve strong anti-pollution ability, ignition high energy effect

Active Publication Date: 2013-03-06
NO 711 RES INST CHINA SHIPPING HEAVY IND GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The ignition burner is easily polluted by water and impurities in the furnace. The traditional high-voltage arc ignition method is unstable in high-temperature and high-pressure environments, and it is prone to ignition failure.

Method used

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  • Integral gasification furnace ignition device under pressure
  • Integral gasification furnace ignition device under pressure
  • Integral gasification furnace ignition device under pressure

Examples

Experimental program
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Effect test

Embodiment Construction

[0016] See attached figure 1 , a pressure ignition device for an integrated gasifier, which includes: a high-energy igniter 1, a fuel nozzle 2, an oxygen nozzle 3, a water jacket 4, an oxygen delivery pipe 7, a center pipe 11, a flame detector 12, and an igniter Power connector 13, flange end seat 14 and fuel delivery pipe 15;

[0017] The water jacket 4 is provided with a water inlet 6 and a water return port 17. The inside of the water jacket 4 is divided into two layers inside and outside by a partition 16. The inner layer is the water inlet channel 5, and the outer layer is the return water channel 18. The water inlet channel 5 communicates with the water inlet 6, and the water return channel 18 is connected with the water return port 17;

[0018] The center of the igniter power connector 13 is a conductive metal, which is connected to the high-energy igniter 1 through a conductive wire, and a layer of ceramics is wrapped around the conductive metal. The ceramic is covere...

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Abstract

The invention belongs to the technical field of a structural design of a gasification furnace, in particular to an integral gasification furnace ignition device, which comprises a high energy igniter (1), a fuel nozzle (2), an oxygen nozzle (3), a water jacket (4), an oxygen delivery pipe (7), a central pipe (11), a flame detector (12), an igniter power supply connecting piece (13), a flange end seat (14) and a fuel delivery pipe (15), wherein the high energy igniter (1), the fuel nozzle (2), the oxygen nozzle (3) and the water jacket (4) are coaxially sleeved from inside to outside; the high energy igniter (1) is in cup joint with the central pipe (11) so as to be used as a flame detecting opening; the speed and the flow of fuel are controlled through a chute on the fuel nozzle (2); the speed and the flow of oxygen required by combustion of a nozzle are controlled by holes on the oxygen nozzle (3); the high energy igniter power supply (13) is conducmmunicated with the high energy igniter (1); and the water jacket (4) is used for cooling protection. The integral gasification furnace ignition device can be used for realizing stable ignition under pressurization condition.

Description

technical field [0001] The invention belongs to the technical field of gasifier structure design, and in particular relates to an ignition device for an integrated gasifier. Background technique [0002] In the existing gasification furnace, it is necessary to ignite under an inert atmosphere, or to pressurize the circulating gas in the furnace to a certain pressure in advance before starting the ignition burner. The fuel used by the ignition burner is also different, some use natural gas or liquefied petroleum gas, and some directly use light diesel oil. The ignition burner is easily polluted by water and impurities in the furnace. The traditional high-voltage drawn-arc ignition method is unstable in high-temperature and high-pressure environments, and ignition is prone to failure. Contents of the invention [0003] The purpose of the present invention is to provide an integrated device that can use gas or liquid fuel and realize stable ignition under pressurized conditi...

Claims

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Application Information

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IPC IPC(8): F23Q13/00
Inventor 匡建平张世程揭涛赵子通刘思远
Owner NO 711 RES INST CHINA SHIPPING HEAVY IND GRP
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