Method and apparatus for converting solar energy into fuel chemical energy

A technology of solar energy conversion and fuel chemistry, applied in the fields of solar energy and chemical energy, can solve the problems of not being able to fundamentally improve the utilization efficiency of solar energy, increase the cost of converting solar energy to chemical energy, etc., achieve good solar energy conversion effect, improve energy utilization efficiency, cost reduction effect

Inactive Publication Date: 2007-09-26
INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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Problems solved by technology

This complementary system is only a simple superposition of solar energy and fossil fuels, or is limited to the cascade utilization of physical energy, and cannot fundamentally improve the utilization efficiency of solar energy.
At present, solar thermochemistry and its reaction devices are mainly based on high-temperature heat collection methods, such as systems used for natural gas reforming, the required heat collection temperature is generally above 800°C, which greatly increases the conversion cost of solar energy to chemical energy

Method used

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  • Method and apparatus for converting solar energy into fuel chemical energy
  • Method and apparatus for converting solar energy into fuel chemical energy
  • Method and apparatus for converting solar energy into fuel chemical energy

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Embodiment Construction

[0029] A method for converting solar energy into fuel chemical energy provided by the present invention, as shown in Figure 1, wherein the sunlight with high energy flux density collected by the heat collector is irradiated on the absorber / reactor, directly for the decomposition reaction of the fuel Provide heat to obtain the decomposition product synthesis gas; thus the solar thermal energy is converted and stored in the chemical energy of the decomposition product, the grade of low-temperature solar energy is improved, and converted into high-grade synthesis gas chemical energy, which is further used as fuel.

[0030]In the above process, the energy grade conversion is shown in Figure 2: in the figure, the abscissa is the process enthalpy change, and the ordinate is the energy grade A, which is defined as the ratio of the process available energy change to the enthalpy change. Therefore, it can be known that the area surrounded by abcda in the figure is the direct combustion-...

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Abstract

It relates to a method and device of changing solar energy to chemical energy. It accumulates the solar energy and changing it to heat energy ranging from 150deg.C-300deg.C, providing reaction heat for the liquid fuels, allowing the middle and low level solar energy changing and stored into high level chemical energy, with the liquid being carbinol or dimethyl ether synthetic fuel, with the catabolite being hydrogen and monoxide formed gas. It can be used for multi purposes, providing fine synthetic fuel and material for customers.

Description

technical field [0001] The invention relates to the technical field of solar energy and chemical energy, and relates to a new method and device for converting solar energy into fuel chemical energy. Background technique [0002] Energy is the fundamental guarantee for human development and survival. With the development of economy and population growth, the consumption of energy is increasing day by day. The massive exploitation of fossil energy will make it face exhaustion. At the same time, the discharge of a large number of pollutants will seriously It has seriously polluted the environment, deteriorated the living conditions of human beings, and threatened the sustainable development in the future. Searching for new, renewable and clean energy has aroused widespread concern in the scientific and technological circles around the world. With its unique "infinity" of reserves, universality of existence, and cleanness of development and utilization, solar energy will surely...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/00C01B3/24
CPCY02E10/40Y02P20/133
Inventor 金红光隋军王志峰郑丹星
Owner INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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