Method and device for transforming solar energy into fuel chemical energy
A technology of solar energy conversion and fuel chemistry, which is applied in the field of solar thermochemical conversion devices and energy conversion devices for realizing the above method, can solve the problems that cannot fundamentally improve the efficiency of solar energy utilization, and achieve the purpose of improving energy utilization efficiency and solar radiation resources. Good, loss-reducing effect
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example 1
[0039] Example 1: Solar energy decomposes substitute liquid fuel without heat recovery device. Please combine with Fig. 2, the present invention is made up of solar heat collector, catalytic reactor, heat medium circulation system and other auxiliary equipment.
[0040] The heat medium storage tank 5, the heat medium stored in it is heat conduction oil with an operating temperature above 200°C, which is sent to the absorber 9 of the solar heat collector 8 through the heat medium pump 7 and the pipeline 21, and receives heat from the solar heat collector 8 The flow of the heat medium can be controlled through the valve 10; the heat medium is heated to 180°C to 300°C, and enters the shell side of the catalytic reactor 3 through the pipeline 22 at the lower part of the catalytic reactor 3, and the reaction in the catalytic reactor 3 The temperature is maintained at 160-280° C., and then enters the upper portion of the preheating evaporator 2 from the upper part of the catalytic r...
example 2
[0042] Example 2: The solar energy decomposition substitute liquid fuel has a heat recovery device. Combining with Fig. 3 and comparing with Fig. 2, it can be seen that the main difference between Example 2 and Example 1 is that the heat medium from the absorber 9 at 180°C to 300°C enters the catalytic reactor 3 through the pipeline 22 to release heat, and is directly transferred from the catalytic reactor 3 The upper part returns to the heat medium storage tank 5 through the pipeline 27 to complete the circulation of the heat medium.
[0043] At the same time, the decomposition product from the catalytic reactor 3 enters the upper part of the preheating evaporator 2 through the pipeline 28 to provide the vaporization heat of the feed and the heating heat to 160-280°C. The decomposition products after releasing heat and lowering the temperature enter the condensing separator 4 through the pipeline 29 at the lower part of the preheating evaporator 2 to be condensed and separate...
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