Super-gravity regeneration energy-saving process of flue gas CO2 capture system

Abstract

The invention discloses a supergravity regeneration energy-saving process of a flue gas CO2 capture system. The supergravity regeneration energy-saving process comprises steps S1-S7. A 'supergravity reactor + solution boiler + boiling liquid separator' coupling regeneration process of a chemical absorption method flue gas CO2 capture system is provided, an original 'desorption tower + boiler' regeneration process is replaced, the equipment size is greatly reduced, the process has the advantages of miniaturization, flexibility, high efficiency, small investment, skid-mounted equipment, modularization and the like, the investment cost is saved, and meanwhile, the regeneration energy consumption is obviously reduced. According to the flue gas CO2 capture system adopting the chemical absorption method, a 'supergravity reactor + solution boiler + boiling liquid separator' coupling regeneration process reduces agent loss and degradation deterioration of agents, improves the number of times of recycling of a chemical absorbent, conforms to the characteristics of low consumption, low emission and high efficiency of circular economy, and the purposes of recycling resources and reducing environmental pollution are achieved.

Description

technical field [0001] This application relates to the technical field of flue gas capture system, in particular to a flue gas CO 2 Capture system supergravity regeneration and energy-saving technology. Background technique [0002] In recent years, the combustion of fossil fuels has continuously deteriorated the atmospheric environment, and the resulting "greenhouse effect" is increasingly threatening human existence. CO 2 Not only is it a major contributor to greenhouse gases, but it also lasts longer. To mitigate the impact of the "greenhouse effect", CO should be addressed first 2 emission reduction and recycling issues. [0003] Carbon capture and storage technology (Carbon Capture&Storage, CCS) is to reduce the emission of CO into the atmosphere without reducing the current consumption of fossil fuels. 2 At the same time, CCS technology is also one of the emission reduction technologies that China, the United Kingdom, the United States, Japan and other countries a...

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Problems solved by technology

[0004] However, the current chemical absorption method to capture CO 2 The main disadvantage of the technology is that the energy consumption of the regeneration system is too high, in order to reduce CO 2 Regenerate energy consumption, reduce CO 2 To capture the cost of integration, domestic and foreign scholars are constantly optimizing and developing the existing process and developing new CO 2 capture regeneration process, so we propose a flue gas CO 2 The high-gravity regeneration and energy-saving process of the capture system improves the existing organic amine chemical absorption process, and uses a high-gravity machine to replace the conventional desorption tower for heating and regeneration of the absorption liquid, which can realize the miniaturization, flexibility and skid-mounting of the desorption system and modular

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