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Multi-generation system and method for capturing carbon dioxide with low energy consumption

A technology with carbon dioxide and low energy consumption, applied in electrochemical generators, machines/engines, mechanical equipment, etc., can solve problems such as difficult cooling, improve power generation efficiency and cogeneration efficiency, reduce condensation temperature, and reduce expansion backlash pressure effect

Active Publication Date: 2021-10-08
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Among them, the transcritical carbon dioxide cycle is very suitable for medium and low temperature waste heat recovery because of its low condensation temperature, and can achieve high output power; but because its condensation temperature is lower than that of CO 2 Critical point temperature (30.98°C), so it is difficult to cool at room temperature

Method used

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  • Multi-generation system and method for capturing carbon dioxide with low energy consumption
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  • Multi-generation system and method for capturing carbon dioxide with low energy consumption

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Embodiment Construction

[0050] It should be noted that the following detailed description is exemplary and intended to provide further explanation of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

[0051] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0052] Glossary:

[0053] SOFC, solid oxide fuel cell, is an all-solid-state chemical power generation device that conver...

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Abstract

The invention relates to a multi-generation system and method for capturing carbon dioxide with low energy consumption. The multi-generation system comprises an SOFC, a combustion chamber, a first mixing heater, an air reheater, a hot water heat exchanger, a condensation heat exchanger, a carbon dioxide compressor, a CO2 heat exchanger and a regenerator which sequentially communicate with one another; an anode gas outlet of the SOFC is connected with the combustion chamber, and a gas outlet of the combustion chamber is sequentially connected with the mixing heater, the air reheater, the hot water heat exchanger and the condensation heat exchanger, so that gas exhausted from the combustion chamber releases heat; and a liquid outlet of an LNG liquid storage tank is connected with a condensing medium inlet of the CO2 heat exchanger, and a condensing medium outlet of the CO2 heat exchanger is connected with the regenerator. When cold, heat and electricity combined supply is carried out, carbon dioxide capture and condensate water recovery are achieved, high combined supply efficiency and power generation efficiency are guaranteed, and various requirements of users are met.

Description

technical field [0001] The invention belongs to the technical field, and in particular relates to a multi-generation system and method for capturing carbon dioxide with low energy consumption. Background technique [0002] The information disclosed in this background section is only intended to increase the understanding of the general background of the present invention, and is not necessarily taken as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. [0003] Recently, the irrational development and use of fossil energy has not only caused energy problems, but also caused serious threats to the environment and ecology. Improving the thermal efficiency of the operating system and reducing the emission of pollutants are important ways to alleviate this problem. [0004] Solid Oxide Fuel Cell (SOFC) can directly convert fuel chemical energy into electrical energy, and has high power generatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K11/02F01K17/02F01K25/10H01M8/0662H01M8/0668
CPCF01K11/02F01K17/025F01K25/103H01M8/0662H01M8/0668Y02E60/50
Inventor 于泽庭梁文兴
Owner SHANDONG UNIV
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