Apparatus and method for utilizing exhaust gas from an electric

A technology of facilities and electric power, applied in the field of equipment and methods for utilizing waste gas from power multiple conversion facilities, capable of solving problems such as cost separation

Pending Publication Date: 2022-08-05
西门子能源全球有限两合公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, the use of carbon dioxide CO 2 As starting material for syntheses which may require costly separation from exhaust gases, preferably by chemical or physical cleaning

Method used

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  • Apparatus and method for utilizing exhaust gas from an electric
  • Apparatus and method for utilizing exhaust gas from an electric
  • Apparatus and method for utilizing exhaust gas from an electric

Examples

Experimental program
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Effect test

Embodiment Construction

[0035] figure 1 A power multi-conversion facility 1 according to the prior art is shown. The power multi-conversion facility basically consists of an electrolyzer 2, a facility 3 for processing hydrogen, a compressor 4 and a chemical reactor 5 for methanol synthesis.

[0036] The electrolyzer 2 is fed with renewable electrical energy 18, eg from a wind or photovoltaic installation. Furthermore, the electrolyzer 2 is fed with water 19 . Hydrogen H is produced in the electrolyzer 2 and oxygen O 2 . Oxygen O 2 is released into the atmosphere, while the hydrogen H 2 It is directed to the facility 3 for processing for drying. Extraction and export of hydrogen H from facility 3 for processing hydrogen 2 . Hydrogen H dried in facility 3 2 Derived from the facility 3 and combined with carbon dioxide CO 2 Mixed, the carbon dioxide is delivered externally to the power multi-conversion facility.

[0037] Hydrogen H 2 / Carbon dioxide CO2 mixture is also known as synthesis ga...

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PUM

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Abstract

The invention relates to an electric power multi-conversion facility (1) using exhaust gas, comprising: an electrolyser (2) for generating hydrogen H2 and oxygen O2; a facility (3) connected to the electrolyser (2) for treating hydrogen H2 to separate remaining oxygen O2 and water H2O from the produced hydrogen H2 stream; a compressor (4) connected to the facility (3) for processing hydrogen H2 for compressing hydrogen H2; and a chemical reactor (5) connected to the compressor (4) for producing synthesis gas (6) from hydrogen H2 and deliverable carbon dioxide CO2. According to the invention, an oxyfuel combustion system (7) can be fed with non-condensable exhaust gases (8) from the chemical reactor (5) and with oxygen O2 from the electrolyser (2), and the carbon dioxide CO2 generated in the oxyfuel combustion plant (7) by burning the waste body (8) can be returned to the hydrogen H2 stream downstream of the electrolyser (2) via a return line (9).

Description

technical field [0001] The present invention relates to an apparatus and method for utilizing exhaust gas generated in a power-to-X facility. For example, one application for a power multiplexing facility is the production of carbon-based substances such as methanol or hydrocarbons. Multi-conversion of electricity refers here to the different possibilities of using or storing electrical energy, eg from renewable energy sources such as solar, wind and hydro. Background technique [0002] Part of these technologies are power-to-liquid / power-to-gas conversion processes, which can be an essential element for decarbonization or de-fossilization in the transport and energy industries, and can also be used for energy storage. In the future, fossil fuels in the transport industry can thus be partially or completely replaced by electric current-based synthetic fuels (e-fuels). This carbon-based synthetic fuel is produced through the synthesis of hydrogen and carbon dioxide. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23L7/00C25B15/08F23G7/06C07C29/151C07C31/04C25B1/04C25B9/65C01B3/50
CPCC25B1/04C07C29/1518F23L7/007C01B3/50C25B15/083C25B15/085F23L2900/07006F23L2900/07005F23G2206/203F23G2209/14F23G2204/20F23G2209/26F23G7/065F23G7/063Y02E20/12Y02E50/30Y02P20/133C07C31/04C25B15/081C25B9/17C01B3/506C01B2203/046C01B2203/0495C01B2203/061C01B2203/062F23G5/46F23G7/06F23J15/02F23N5/006
Inventor 弗兰克·汉内曼约阿希姆·兰普格哈德·齐默尔曼
Owner 西门子能源全球有限两合公司
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