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Environment-friendly inerting waste heat utilization system for fuel tank

A fuel tank and waste heat technology, which is applied in the direction of fuel tank safety measures and fuel adjustment, can solve the problems of energy waste and high reaction temperature, and achieve the effects of no environmental pollution, high energy utilization rate, and optimized performance

Active Publication Date: 2018-05-15
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the reaction temperature in the catalytic combustion process is high, and the mixed gas after the reaction still contains a lot of heat. Generally, the coolant absorbs this part of the heat and is discharged, and a large amount of energy is wasted.

Method used

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  • Environment-friendly inerting waste heat utilization system for fuel tank
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  • Environment-friendly inerting waste heat utilization system for fuel tank

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Embodiment Construction

[0057] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0058] This invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, components are exaggerated for clarity.

[0059] figure 1 It is a module schematic diagram of a green inerting fuel tank waste heat utilization system using absorption refrigeration. A first flame suppressor 2 is connected through a pipeline between the gas outlet of the fuel tank 1 and the inlet of the first variable frequency fan 3; the outlet of the first variable frequency fan 3 is connected to the first variable frequency fan 3 The outlet of the two check valves 21 is connected to the inlet of the cold side channel of th...

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Abstract

The invention discloses an environment-friendly inerting waste heat utilization system for a fuel tank. According to the principle, fuel vapor of an air-phase space of the upper portion of the fuel tank and an air mixture are subjected to flameless catalytic combustion in a catalytic oxidation reactor, carbon dioxide is generated, nitrogen which is not involved in reaction and carbon dioxide whichis generated during the reaction are used as mixed inert gas for inerting the fuel tank, and the fire-proof and explosion-proof aim is achieved. Gas waste heat is used for driving a refrigeration system, a low-temperature cooling medium is obtained and can be used for further cooling gas after the reaction, water is separated out as much as possible, and the medium can also cool a control subsystem. The environment-friendly inerting waste heat utilization system for the fuel tank has the advantages of being high in energy utilization rate, short in inerting time, capable of optimizing the performance of an inerting system and causing no environmental pollution and the like.

Description

technical field [0001] The invention relates to the technical field of fire prevention and explosion protection, in particular to a waste heat utilization system of a green inerted fuel tank. Background technique [0002] Engine fuel system fire or explosion is one of the main causes of aircraft crashes. The fire and explosion protection capability of the aircraft fuel system is directly related to the survivability and vulnerability of the aircraft, as well as the utilization rate, cost and personnel safety of the aircraft. If the fuel tank has explosion-proof capability, even if it is shot or other reasons cause a fire, it will not be destroyed, and the aircraft can continue to be used after being repaired, which increases the utilization rate and survivability of the aircraft accordingly, and reduces vulnerability. The adoption of aircraft fuel tank explosion-proof technology can also increase the life-saving time, so that the aircraft has enough time to return to the v...

Claims

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Application Information

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IPC IPC(8): B64D37/32B64D37/34
CPCB64D37/32B64D37/34
Inventor 彭孝天冯诗愚王晨臣谢辉辉刘卫华
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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