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Combustor with adjustable combustion atmosphere and experimental method

A burner and atmosphere technology, applied in combustion methods, combustion chambers, combustion equipment, etc., can solve the problems of not wide application of fuel, single atmosphere, etc., and achieve the effects of convenient operation, convenient operation and simple structure design.

Active Publication Date: 2021-02-09
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to avoid the deficiencies of the prior art, the present invention proposes a burner with adjustable combustion atmosphere and an experimental method, which can realize powder fuel, liquid fuel and block The burner with reliable injection of fuel and ignition and combustion under high-pressure complex atmosphere solves the problems in the prior art that the fuel is not widely applicable and the atmosphere is single

Method used

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  • Combustor with adjustable combustion atmosphere and experimental method
  • Combustor with adjustable combustion atmosphere and experimental method
  • Combustor with adjustable combustion atmosphere and experimental method

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0056]Step 1. Install the O-ring 14 between the main body of the combustion chamber and the bottom plate 12 of the combustion chamber and fasten it with bolts. Fill the corresponding O-rings in the laser incident window 17, the quartz glass observation window 7 and the laser stopper window 21 respectively. Press the quartz glass 8, the germanium glass 19, and the laser block 23 into the corresponding windows respectively, and screw into the corresponding pressing screws, and tighten them with a hook wrench. The sealing electrode 2 is respectively loaded into the burner side wall 5 and the burner top plate 3, and the electromagnet 16-5 of the powder fuel sampling mechanism 3 is connected to the sealing electrode 2 of the burner top plate 3, and the top surface of the burner top plate The female thread of the check valve is externally connected to the male thread, and tightened with a wrench.

[0057] Screw the four-way interface into the burner air inlet / outlet 15, and the othe...

specific Embodiment 2

[0060] Step 1. Install the O-ring 14 between the main body of the combustion chamber and the bottom plate 12 of the combustion chamber and fasten it with bolts. Fill the corresponding O-rings in the laser incident window 17, the quartz glass observation window 7 and the laser stopper window 21 respectively. Press the quartz glass 8, the germanium glass 19, and the laser block 23 into the corresponding windows respectively, and screw into the corresponding pressing screws, and tighten them with a hook wrench. The sealing electrode 2 is respectively loaded into the burner side wall 5 and the burner top plate 3, and the electromagnet 16-5 of the powder fuel sampling mechanism 3 is connected to the sealing electrode 2 of the burner top plate 3, and the top surface of the burner top plate The female thread of the check valve is externally connected to the male thread, and tightened with a wrench.

[0061] Screw the four-way interface into the burner air inlet / outlet 15, and the oth...

specific Embodiment 3

[0067] Step 1. Install the O-ring 14 between the main body of the combustion chamber and the bottom plate 12 of the combustion chamber and fasten it with bolts. Fill the corresponding O-rings in the laser incident window 17, the quartz glass observation window 7 and the laser stopper window 21 respectively. Press the quartz glass 8, the germanium glass 19, and the laser block 23 into the corresponding windows respectively, and screw into the corresponding pressing screws, and tighten them with a hook wrench. The sealing electrode 2 is respectively loaded into the burner side wall 5 and the burner top plate 3, and the electromagnet 16-5 of the powder fuel sampling mechanism 3 is connected to the sealing electrode 2 of the burner top plate 3, and the top surface of the burner top plate The female thread of the check valve is externally connected to the male thread, and tightened with a wrench.

[0068] Screw the four-way interface into the burner air inlet / outlet 15, and the oth...

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Abstract

The invention discloses a combustor with adjustable combustion atmosphere and an experimental method and belongs to the technical field of fuel combustion. The device comprises a combustion chamber, aliquid fuel sample injection mechanism, a powder fuel sample injection mechanism, a powder dispersion mechanism, a blocky fuel lifting platform and a water vapor generation device, fuel combustion experiments in three different states are achieved through the three feeding mechanisms, boron particles can be dispersed through a powder dispersing mechanism in the powder fuel sample feeding mechanism, the falling speed of the boron particles is reduced, the influence of incoming air flow on the ignition and combustion process of the boron particles is reduced, and combustion efficiency is improved; reliable ignition of the boron particles in a relatively dispersed state can be realized. The steam atmosphere is provided through the steam generation device, the steam concentration in the combustor is monitored in real time in cooperation with the humidity sensor, and quantitative regulation and control over the steam concentration in the combustor can be achieved; the combustor is connected with high-pressure gas sources such as nitrogen, oxygen and argon, and the purpose that the concentration and pressure of various atmospheres in the combustor are adjustable is achieved in cooperation with real-time monitoring of the pressure sensor.

Description

technical field [0001] The invention belongs to the technical field of fuel combustion, and in particular relates to a burner with an adjustable combustion atmosphere and an experimental method, which can realize reliable sampling of liquid fuel, powder fuel and block fuel, and can ignite and burn in a high-pressure complex atmosphere. Background technique [0002] Solid propellants are the energy source and working medium source of solid rocket motors. In order to increase the energy of solid propellants, metal powders such as boron powder, magnesium powder, and aluminum powder are often added to solid propellants, which can not only increase the specific impulse of the propellant And density, can also suppress the unstable combustion of propellant. However, the ignition and combustion properties of these metal powders are poor, and it is difficult to achieve efficient combustion of metal powders in propellants. Therefore, it is necessary to study the ignition and combustio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N31/12G01N33/22G01N21/84G01J3/28F23R5/00F23R3/42F23R3/28
CPCG01N31/12G01N33/22G01N33/222G01J3/28G01N21/84F23R3/28F23R3/42F23R5/00G01N2021/8411
Inventor 刘林林宋英恺胡松启
Owner NORTHWESTERN POLYTECHNICAL UNIV
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