Integrated particle fluidized carbon dioxide capture method and device for power plant

A carbon dioxide, particle fluidization technology, applied in chemical instruments and methods, separation methods, gas treatment and other directions, can solve problems such as industries that do not widely use large energy consumption, and achieve the advantages of absorption and desorption, convenient transformation and installation, small loss effect

Active Publication Date: 2017-09-08
NORTHEAST DIANLI UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In addition to the above methods, there are some processes used to capture carbon dioxide, which generally have certain effects, but also have limitations.
In my country, due to national conditions, existing carbon dioxide capture methods are not widely used in some industries with high energy consumption

Method used

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  • Integrated particle fluidized carbon dioxide capture method and device for power plant
  • Integrated particle fluidized carbon dioxide capture method and device for power plant
  • Integrated particle fluidized carbon dioxide capture method and device for power plant

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Embodiment Construction

[0036] The present invention will be described in detail below using the accompanying drawings and embodiments.

[0037] Such as Figure 1-Figure 5 , an integrated particle fluidized carbon dioxide capture device used in power plants according to the present invention takes carbon dioxide capture as the main task, and at the same time takes into account energy saving and emission reduction in the process, and maximizes the use of available heat energy. Its structure comprises: adsorption tower 3, cyclone separator 6, desorption tower 2, heat pump 12 and particle cooling zone 8; Described adsorption tower 3 is placed in desorption tower 2, and cyclone separator 6 is arranged on the top of adsorption tower 3; The adsorption tower 3 is connected to the desorption tower 2 through a cyclone separator 6; an inverted U-shaped tube heat exchanger 4 and a wall-mounted heat exchanger are placed between the bottom flue gas inlet 1 and the top flue gas outlet 14 in the adsorption tower 3 ...

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Abstract

The invention provides an integrated particle fluidized carbon dioxide capture method and device for a power plant. The method comprises the following steps: enabling flue gas to pass through an adsorption tower of the integrated particle fluidized carbon dioxide capture device from bottom to top, and efficiently absorbing carbon dioxide from porous silicon particles in the tower; enabling the particles to enter a desorption column after absorption completion, performing heated desorption under heating of a heat exchanger, and collecting the obtained carbon dioxide by a carbon dioxide collection pipe; and cooling the desorbed particles in a particle cooling area, and leading out partial treated flue gas, blowing the cooled particles into the desorption column via a particle inlet so as to enter the next cycle. The method has the advantages of being scientific, reasonable, high in applicability, capable of realizing large-scale application, stable and reliable in operation, high-efficiency, energy-saving, low in operation and maintenance cost, and the like.

Description

technical field [0001] The invention relates to a carbon dioxide capture method and device, in particular to an integrated granular fluidized carbon dioxide capture method and device for power plants. Background technique [0002] With the rapid development of human society, energy problems and energy demand have increased dramatically. Among the many environmental problems caused by the use of energy, the greenhouse effect, which has a certain relationship with the massive emission of carbon dioxide, has attracted widespread attention. According to the statistics given by the World Bank, in 2013 the world's carbon dioxide emissions reached 35,848,592 kilotons. About 3.8 times that of 1960. However, due to people's awareness of environmental changes and their efforts, the world's carbon dioxide emissions showed a downward trend in 2015. According to the data released by EDGAR, which is composed of the European Commission and the Netherlands Environmental Assessment Agency...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/12
CPCB01D53/12B01D2257/504B01D2258/02B01D2259/40088Y02C20/40
Inventor 杨宁周云龙叶校源汪俊超洪文鹏孙斌
Owner NORTHEAST DIANLI UNIVERSITY
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