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A low-pollution electric arc heater

An electric arc heater and low-pollution technology, which is applied in the direction of air heaters, fluid heaters, lighting and heating equipment, etc., can solve the problems of copper pollution and nitrogen oxide content, and achieve the effect of reducing copper content and improving purity

Active Publication Date: 2021-02-05
中国空气动力研究与发展中心超高速空气动力研究所
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to solve the problem of copper pollution and excessive nitrogen oxide content caused by the burning of the arc heater electrode

Method used

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  • A low-pollution electric arc heater
  • A low-pollution electric arc heater

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Embodiment Construction

[0034]In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, but not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0035]A low pollution arc heater, combined withfigure 1 ,figure 2, Including the negative electrode 1, the positive electrode 2, the arc 3, the insulating block 4, the mixing chamber 5 and the nozzle 6. The positive electrode 2 is fixed on the side of the negative electrode 1, and the two ends of the arc 3 are respectively placed in the ...

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Abstract

The invention relates to a low-pollution electric arc heater, which comprises a negative pole, a positive pole, an electric arc, an insulating block, a mixing chamber and a nozzle. The chamber is fixedly connected to the outlet of the positive electrode, and the nozzle is fixedly connected to the outlet of the mixing chamber. Nitrogen is passed through the negative electrode, air is passed through the connection between the negative electrode and the positive electrode, nitrogen is passed through the positive electrode, and oxygen is passed through the mixing chamber. The present invention has The advantages of reducing the copper pollution caused by the burning of the arc heater electrode and reducing the content of nitrogen oxides.

Description

Technical field[0001]The invention relates to the technical field of hypersonic aircraft test equipment, in particular to a low-pollution arc heater.Background technique[0002]The arc heater is an important ground facility for the thermal environment simulation test of hypersonic aircraft. The arc heater uses arc discharge to heat the air to form a high temperature and high speed flow field for testing. When heating the air, the nitrogen and oxygen in the air are dissociated to form nitrogen oxide compounds. The presence of nitrogen oxide compounds causes the test medium to deviate from the real air composition during simulated flight. For gas medium, strict engine combustion and thrust characteristic tests are required Bring a certain impact. Some researches believe that the presence of nitrogen oxide compounds reduces the oxygen content in the test medium, thereby reducing the heat release of the combustion reaction. In addition, the electrode of the arc heater is made of copper, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H3/04F24H9/18F24H9/00F24H9/20B64G7/00
CPCB64G7/00F24H3/0405F24H9/0052F24H9/1863F24H9/2071F24H2250/10
Inventor 隆永胜杨斌赵顺洪袁竭
Owner 中国空气动力研究与发展中心超高速空气动力研究所
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