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Application of oxygen hydrogen gas in shock tank blasting and soot blowing method

A shock wave tank, hydrogen-oxygen technology, which is applied in the field of blast wave soot blowing, can solve the problems of insufficient and uneven mixing of gas and air, and the soot blowing efficiency cannot meet the design requirements, and achieves good soot blowing effect and consistency. , the effect of long distance

Inactive Publication Date: 2010-03-03
ZHEJIANG HELI HYDROGEN ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the process that the mixed gas source in the prior art needs to be mixed with a certain proportion of air by gas, to avoid the defect that the gas and air are not sufficiently mixed and the soot blowing efficiency cannot meet the design requirements, and to propose a gas source The application of hydrogen and oxygen gas in shock tank explosion soot blowing method without premixing and simplified process can achieve good soot blowing effect, easy operation and no safety hazard

Method used

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  • Application of oxygen hydrogen gas in shock tank blasting and soot blowing method
  • Application of oxygen hydrogen gas in shock tank blasting and soot blowing method

Examples

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Embodiment 1

[0017] This embodiment is a method of using an electrolyzed water device to generate an equivalent ratio of hydrogen-oxygen mixture to carry out deflagration and soot blowing, such as figure 1 As shown, the electrolyzed water device 1 produces 0.1 cubic hydrogen and oxygen molar equivalent per minute of hydrogen-oxygen mixture through the flame arrester 2, solenoid valve 3, check valve 4 and ignition tank 5 and enters the shock wave tank with a volume of 0.01 cubic 6. The solenoid valve is controlled by the controller 8 to open the solenoid valve for 3 hours and 6 seconds to fill the shock tank 6 with air, close the solenoid valve 3, and control the ignition time for 0.1 seconds to ignite through the ignition tank 5, and the hydrogen-oxygen mixture in the shock tank 6 will be ignited. It will detonate and produce ultra-high-speed explosion waves, which will be sprayed out through the pulse nozzle 7, acting on the ash accumulation on the heating surface of the boiler to make it ...

Embodiment 2

[0019] This embodiment is a method of utilizing a solar hydrogen-oxygen generator to produce an equivalent ratio of hydrogen-oxygen mixture to carry out deflagration and soot blowing, such as figure 2 As shown, the hydrogen-oxygen mixture produced by the solar hydrogen-oxygen generator 9 at a molar equivalent ratio of 0.01 cubic hydrogen per minute passes through the flame arrester 2, the solenoid valve 3 and the one-way valve 4 and enters the shock tank 6 with a volume of 0.01 cubic. Controlled by the controller 8, the electromagnetic valve is opened for 3 hours and 1 minute to fill the shock tank 6 with air, and the solenoid valve 3 is closed. At the same time, the ignition time is controlled to be ignited by the igniter 10 within 0.1 seconds, and the hydrogen-oxygen mixture in the shock tank 6 will be Combustion and explosion generate ultra-high-speed explosion waves, which are ejected through the pulse nozzle 7 and act on the ash deposits on the heating surface of the boil...

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Abstract

The invention discloses an application of oxygen hydrogen gas in a shock tank blasting and soot blowing method and relates to the technical field of blasting and soot blowing, which mainly prepares mixed gas of hydrogen and oxygen through a water splitting oxygen hydrogen device or a solar oxygen hydrogen generator. The mixed gas of hydrogen and oxygen of the method enters a back-fire relief valve, a solenoid pilot actuated valve, a one-way valve and a shock tank in sequence from a gas path pipeline; a controller is electrically connected with the solenoid pilot actuated valve to control the air supply time and simultaneously control an ignition device on the shock tank to ignite according to procedures; and then the shock tank generates blasting and instantly generates an explosive pulsewave, which is sprayed out and jetted through a nozzle at a high speed to realize soot blowing operation on the heated surface of a boiler. The invention discloses an application of mixed gas of oxygen and hydrogen in the shock tank blasting and soot blowing method, which can achieve the advantages of large wave intensity, good soot blowing effect, easy operation and control as well as safe and reliable application without needing to pre-mix gas sources of oxygen and hydrogen and simplifying the technique.

Description

technical field [0001] The invention belongs to the technical field of explosion wave soot blowing, and in particular relates to the application of hydrogen and oxygen gas in a shock wave tank combustion detonation soot blowing method. Background technique [0002] At present, the gas explosion (pulse) wave soot blowing method uses: acetylene, hydrogen, natural gas, liquefied petroleum gas or gas and air (supporting gas) are prepared and mixed in a certain proportion, and deflagration is caused in a special shock tank. , the detonation gas instantly produces an explosion (pulse) wave and is sprayed out with a high-speed jet through the outlet of the directional pulse nozzle, and the dust accumulated on the heating surface of the boiler is removed by purging, sonic labor, thermal cleaning and local vibration, and finally the dust is blown by the flue gas flow The coil is taken away, thereby improving the thermal efficiency of the boiler. [0003] The existing gas-air (suppor...

Claims

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Application Information

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IPC IPC(8): F23J1/00F23J3/00
Inventor 梁宝明李生平
Owner ZHEJIANG HELI HYDROGEN ENERGY TECH CO LTD
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