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Hydrocarbon fuel heating method

A technology of hydrocarbon fuel and heating method, which is applied in the direction of fuel heat treatment device, charging system, combustion air/combustion-air treatment, etc., and can solve problems such as high cost, inability to meet the use requirements of large-scale engines, and small fuel flow , to achieve low operating costs, good economy, and improve the safety and reliability of personnel and equipment

Active Publication Date: 2012-04-25
NAT UNIV OF DEFENSE TECH
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a heating method for hydrocarbon fuels, so as to solve the technical problems of low fuel flow rate, inability to meet the use requirements of large-scale engines and high cost in the prior art heating method

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Embodiment Construction

[0019] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0020] Please refer to figure 1 According to the preferred embodiment of the present invention, the hydrocarbon fuel heating method requires equipment including a gas generator and a heat exchanger connected to the gas generator. The specific principle is: use the high-temperature and high-pressure gas generated by the gas generator to heat the liquid hydrocarbon fuel to be heated in the heat exchanger. Since the gas generator can provide high-power high-temperature and high-pressure gas for a long time for the heat exchanger, it breaks through the power limit of the electric heating scheme, and can realize the heating of large-flow hydrocarbon fuels to meet the needs of large-scale scramjet engines. Draw the test requirements.

[0021] The heatin...

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Abstract

The invention provides a hydrocarbon fuel heating method, which comprises the following steps: 1, producing high-temperature high-pressure gas through the combustion of energy supply fuel; and 2, carrying out continuous heat exchange between the high-temperature high-pressure gas and hydrocarbon fuel to be heated. Since the high-temperature gas is produced through the combustion reaction of the energy supply fuel and oxidant according to the hydrocarbon fuel heating method and a high-power heating source can be provided for a heat exchanger for a long time, the breakthrough is made in power limitation when an electric heating scheme is adopted, and the heating of large-flow hydrocarbon fuel can be realized to meet site planning and testing requirements of large-scale scramjet engines. Moreover, the oxidant adopts oxygen or air; and the energy supply fuel adopts ethanol water or water solution of methanol. Therefore, the oxidant and the energy supply fuel are inexpensive, non-toxic, non-polluting and non-corrosive green media which can be obtained easily, the safety and the reliability of personnel and equipment in operation can be improved. The operating cost is low, and the method is very economical.

Description

technical field [0001] The invention relates to the heating field, in particular to a heating method for hydrocarbon fuel heating. Background technique [0002] Hydrocarbon fuel enters supercritical state after being heated under high pressure. At this time, inject it into the combustion chamber of the engine, and it can be vaporized instantly without going through the atomization and evaporation process of liquid hydrocarbon fuel, which is conducive to the rapid ignition of the engine and the complete combustion of the fuel. [0003] In the prior art, the hydrocarbon fuel is usually heated by electric heating. However, due to the limitation of electric power, the flow rate of hydrocarbon fuel heated by electric heating method cannot be too high, which cannot meet the needs of large-scale engines. In addition, the use of electric heating is costly. Contents of the invention [0004] The purpose of the present invention is to provide a hydrocarbon fuel heating method to ...

Claims

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Application Information

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IPC IPC(8): F02M31/16
Inventor 王振国钟战丁猛张建强李清廉周进刘卫东梁剑寒李大鹏王翼李庆
Owner NAT UNIV OF DEFENSE TECH
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