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A Power System Based on Dilute Phase Catalytic Combustion and Organic Rankine Cycle

A catalytic combustion and Rankine cycle technology, applied in the field of power systems, can solve the problems of increasing the weight of the energy system, and achieve the effects of low fuel partial pressure requirements, easy miniaturization, and easy sealing

Active Publication Date: 2017-04-05
CHINA ACADEMY OF SPACE TECHNOLOGY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the solar cell and regenerative fuel cell energy system solutions are still used, the weight of the energy system will increase significantly, and this part of the added weight will not be used most of the time

Method used

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  • A Power System Based on Dilute Phase Catalytic Combustion and Organic Rankine Cycle
  • A Power System Based on Dilute Phase Catalytic Combustion and Organic Rankine Cycle
  • A Power System Based on Dilute Phase Catalytic Combustion and Organic Rankine Cycle

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Embodiment Construction

[0031] Specific embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0032] Such as figure 1 Shown is a schematic diagram of the airship structure, from figure 1 It can be known that a stratospheric airship includes a stratospheric airship, a cockpit and a power system. The power system is installed in the lower part of the stratospheric airship and consists of a catalytic combustion system and an organic Rankine cycle system.

[0033] Such as figure 2 Shown is a schematic diagram of the system (air condensation) of the present invention, image 3 It is a schematic diagram of the system (condensation heat utilization) of the present invention, from figure 2 and image 3 It can be seen that a system for obtaining power by dilute-phase catalytic combustion and organic Rankine cycle proposed by the present invention includes a catalytic device, an evaporator, a condenser, a pump, a turbine, a genera...

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Abstract

A new-concept power system based on a dilute-phase catalysis combustion and organic Rankin cycle is disclosed. Exhaust from an air bag of a stratosphere airship or an aerostat an aerostat such as stratosphere airship or the like serves as dilute-phase gaseous fuel. Gaseous fuel is combusted under dilute phase catalysis to provide heat energy for organic Rankin cycle (ORC) working medium, so that the low-level heat energy of the air bag exhaust is converted into electric energy. No extra fuel has to be brought, and high efficient energy utilization is realized. The ORC employs a minimal boundary layer turbine as a key power part of an ORC system. The new-concept power system has the advantages of low requirements on turbine inlet parameters, and being capable of effectively preventing liquid impact during turning on / off of the system and under non-stable working conditions, and can be made small. A light power generation system without extra fuel, in addition to a solar cell and a regeneration fuel cell, is provided to a stratosphere airship and other aerostats. The new-concept power system supplies energy during gust, emergency, and ascending and returning processes.

Description

technical field [0001] The invention relates to a power system, in particular to a power generation system using dilute-phase catalytic combustion and an organic Rankine cycle, and belongs to the field of thermodynamic power generation. Background technique [0002] Dilute-phase catalytic combustion is a flameless combustion oxidation reaction of gaseous fuel on the surface of a solid catalyst, which increases the reaction rate and conversion rate by reducing the activation energy of the reaction. Catalytic combustion has the advantages of low fuel partial pressure requirements, low ignition temperature, high combustion stability, energy saving, low pollutant emissions, and wide application range, which can further realize efficient and clean utilization of fuel. [0003] In the organic Rankine cycle (ORC), the circulating working fluid is an organic working fluid with a lower critical temperature, which has lower requirements on the temperature of the heat source, and is an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01K25/10F01K27/00F01D15/10F01D1/34
Inventor 吕晓辰姚伟史翊翔王超马蓉蔡宁生王茜
Owner CHINA ACADEMY OF SPACE TECHNOLOGY