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Device and method for preparing hydrogen-containing product from natural gas based on new energy consumption
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A natural gas and new energy technology, applied in the field of new energy and natural gas hydrogen production, can solve problems such as poor device stability and high energy consumption costs
Pending Publication Date: 2021-07-30
XI AN JIAOTONG UNIV
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[0005] In order to overcome the shortcomings of the above-mentioned prior art, the object of the present invention is to provide a device and method for producing hydrogen-containing products from natural gas based on new energy consumption, which solves the problems of high energy consumption cost and poor device stability in hydrogen production from natural gas
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Embodiment 1
[0060] Such as figure 1 As shown, the present invention provides a device for preparing hydrogen-containing products from natural gas based on new energy consumption, which constitutes a skid-mounted natural gas hydrogen production device based on new energy consumption, specifically including:
[0061] Skid box 100, refined desulfurization unit 200, electrothermal conversion unit 201, shift reaction unit 202, pressure swing adsorption unit 203, gas-liquid separation unit 204, steam superheater 300, natural gas preheater 301, feed water preheater 302, raw material Preheater 303, high temperature heat pump 400, flash evaporator 401, heat storage container 402, hydrogen splitter 500, hydrogen compressor 501, hydrogen three-way valve 502, hydrogen storage unit 503, hydrogenation port 504, flow mixer 600, vapor compression Machine 700, natural gas raw material inlet A, feed water inlet (feed water (de-salted water) inlet) B, and renewable power interface C.
[0062] Among them, t...
Embodiment 2
[0073] Such as figure 2 As shown, the present invention provides another device for preparing hydrogen-containing products from natural gas based on new energy consumption, which constitutes a skid-mounted natural gas hydrogen-rich fuel preparation device based on new energy consumption, specifically including:
[0074] Skid box 100, refined desulfurization unit 200, electrothermal conversion unit 201, conversion reaction unit 202, gas-liquid separation unit 204, CO 2 Removal unit 206, steam superheater 300, natural gas preheater 301, feed water preheater 302, raw material preheater 303, high temperature heat pump 400, flash evaporator 401, heat storage container 402, hydrogen splitter 500, hydrogen compressor 501 , hydrogen three-way valve 502, hydrogen storage unit 503, hydrogen-rich fuel outlet 505, mixer 600, steam compressor 700, natural gas raw material inlet A, feed water inlet B and renewable power interface C.
[0075] Among them, the skid box 100 is an equipment acco...
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Abstract
The invention discloses a device and a method for preparing a hydrogen-containing product from natural gas based on new energy consumption, and belongs to the technical field of hydrogen production from new energy and natural gas. In the device for preparing the hydrogen-containing product from the natural gas based on new energy consumption, the natural gas is mixed with preheated water vapor after passing through the natural gas preheater and the refining desulfurization unit, and production of hydrogen or hydrogen-rich fuel is completed after passing through the electrothermal conversion unit, the transformation reaction unit and the pressure swing adsorption unit in sequence. According to the invention, new energy electric power can be consumed in time, carbon emission in the natural gas hydrogen production process is greatly reduced, and meanwhile an efficient utilization method of different grades of heat energy of the natural gas reforming hydrogen productionsystem under high integration is provided.
Description
technical field [0001] The invention belongs to the technical field of new energy and hydrogen production from natural gas, and in particular relates to a device and method for preparing hydrogen-containing products from natural gas absorbed by new energy. Background technique [0002] Large-scale development of renewable clean energy such as wind energy and solar energy, and the transformation of the energy consumption structure towards low-carbon and clean energy have become new trends in energy development. However, from the perspective of existing technologies, there are still contradictions in the coordination of supply and demand of renewable energy. The electricity generated by wind energy and solar energy cannot be consumed and transmitted in time, and the current situation of abandoning wind and electricity is still serious. On the other hand, hydrogen energy, as a real clean fuel, has received extensive attention and research. The flexible combination of surplus re...
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