Liquid oxygen gasifier device
A vaporizer, oxygen technology, applied in pressure vessels, non-pressure vessels, fixed-capacity gas storage tanks, etc., can solve the effect of affecting the combustion of oxygen-enriched air and butane, and it is difficult to achieve the effect of air-oxygen mixing. Problems such as the effect of burning and mixing are difficult
Active Publication Date: 2014-12-10
合肥中科重明科技有限公司
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Problems solved by technology
However, before liquid oxygen and air are mixed, they need to go through a series of complex processes such as droplet breaking, atomization and evaporation. There is no particularly mature theory for the design of atomizing nozzles, and the effect of mixing liquid oxygen and air is difficult to accurately predict and grasp. Then it is bound to affect the combustion effect of the mixed oxygen-enriched air and butane
If the requirements of different working conditions are considered, the situation will be more complicated, and it will be more difficult to achieve a good air-oxygen mixing effect and subsequent butane oxygen full combustion
Method used
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[0013] The specific implementation of a liquefied oxygen evaporator device for a butane and oxygen combustion heating system provided by the present invention will be described in detail below in conjunction with the accompanying drawings.
[0014] like figure 1 As shown, the shape of the gasifier is a long cylinder, the material is stainless steel, the diameter of the outer shell is 90mm, the thickness is 5mm, and the diameter of the actual air supply chamber is 80mm. A total of 84 thin round tubes with an outer diameter of 4mm and a thickness of 1mm are arranged for liquid oxygen transportation, and the rest of the internal space in the shell is used for air flow, providing a large enough heat exchange area between liquid oxygen and air to ensure the heat exchange process Successfully completed, the liquid oxygen is completely vaporized before the outlet; the outlet section has 85 round holes with a diameter of 4mm for gaseous air to pass through, so that the passage area ra...
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The invention discloses an oxidant heat exchange gasifying device for a direct connecting type ultrasonic-velocity combustion ground experimental platform. The oxidant heat exchange gasifying device is characterized in that the appearance of a gasifier is a long cylinder; a plurality of thin round pipes are arranged for conveying liquid oxygen; the rest inner space of a shell is used for flowing out air; a plurality of round holes are formed in an outlet section for passing through gaseous air; and the gasifier is mounted behind a main air pipe and in front of an air-oxygen mixing cavity and a butane combustion heater, so that the air required to be mixed is exchanged heat with the liquid oxygen, and the liquid oxygen is gasified. The gasifying device can satisfy the oxidant gasifying requirements with high, middle and low different flight Mach numbers and different proportion and pressure flows of different total temperature working conditions. The air required to be mixed is exchanged heat with the liquid oxygen, and the liquid oxygen is gasified without needing any additional external working medium or energy to be input for assisting, so that the effects of simplicity, feasibility and high efficiency are achieved.
Description
technical field [0001] The invention relates to a design device of a liquefied oxygen evaporator, in particular to a liquefied oxygen evaporator device and method for a butane and oxygen combustion heating system of a direct-connected supersonic combustion ground experiment platform. Background technique [0002] In order to carry out research on supersonic combustion ramjet better, it is necessary to establish a long-term direct-coupled supersonic combustion ground test platform. As an important part of this ground test platform, the butane and oxygen combustion heating system plays a key role in simulating the high-altitude incoming air on the ground through the product high-temperature mixed gas formed after the violent chemical reaction inside it. In order to simulate incoming air under different flight conditions in the same butane combustion heating system, it is necessary to fully mix pure oxygen and air in advance according to a certain ratio to form oxygen-enriched ...
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IPC IPC(8): F17C7/04F17C9/02
Inventor 陆阳姚卫孟令瑾袁涛范学军
Owner 合肥中科重明科技有限公司