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Spherical solid amine multistage thin-layer bubbling bed carbon dioxide trapping and desorbing system and spherical solid amine multistage thin-layer bubbling bed carbon dioxide trapping and desorbing method

A carbon dioxide and desorption system technology, applied in chemical instruments and methods, separation methods, gas treatment, etc., can solve problems such as the complexity of carbon dioxide adsorption and desorption processes

Pending Publication Date: 2021-12-31
BEIJING DERUNCHEN ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The process of carbon dioxide adsorption and desorption is very complicated; how to efficiently capture CO from flue gas 2 and obtain high-purity CO 2 product, which remains a challenging research topic

Method used

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  • Spherical solid amine multistage thin-layer bubbling bed carbon dioxide trapping and desorbing system and spherical solid amine multistage thin-layer bubbling bed carbon dioxide trapping and desorbing method

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Embodiment 1

[0051] see figure 1 The spherical solid amine multi-stage thin-layer bubbling bed carbon dioxide capture and desorption device comprises an adsorber (3), a desorber (24), a cooler (25) and a riser (21), which are arranged inside the adsorber (3) 5 sets of thin-layer bubbling bed components, composed of air distribution orifice plates, overflow weirs and feeding pipes; the top of the adsorber (3) is equipped with a flue gas filter (2) and a gas outlet (1), and the lower part is equipped with a flue gas inlet (12) and sorbent discharge pipe (11), and are connected with desorber (24) through the first spiral conveying pipe (13); Gas outlet (22), the lower part is provided with heating coil (15) and distributor (17), the bottom is connected with cooler (25) lower part through standpipe (18), second spiral conveying pipe (19); cooler ( 25) There are serpentine cooling pipes (26) and distribution pipes (20) inside, and the top is connected with the lower end of the riser pipe (21);...

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Abstract

The invention provides a spherical solid amine multi-stage thin-layer bubbling bed carbon dioxide trapping and desorbing system and a spherical solid amine multi-stage thin-layer bubbling bed carbon dioxide trapping and desorbing method. In the system, at least two groups of thin-layer bubbling bed components are laminated in an adsorption device from top to bottom, and a main body of each group of thin-layer bubbling bed components is a gas distribution pore plate. One end of each gas distribution hole plate is a feeding end, the other end of each gas distribution hole plate is a discharging end, a discharging pipe is arranged at the discharging end of each gas distribution hole plate, and the lower end of each discharging pipe is open and is communicated with the feeding end of the next group of gas distribution hole plates. A gas outlet is formed in the top of the adsorption device, and a flue gas inlet and an adsorbent discharge pipe are arranged at the lower part of the adsorption device; and the top of the desorption device is sequentially provided with a filter and a desorbed gas outlet, the lower part is provided with a heating coil and a distributor, and the bottom is provided with a material outlet; a cooling pipe and a distribution pipe are arranged in the cooling device, and the top of the cooling device is connected with a lifting pipe; and the upper end of the lifting pipe extends into the adsorption device. The system is used for industrial flue gas CO2 capture, the CO2 capture rate is high, and a high-purity CO2 product can be produced.

Description

technical field [0001] The application belongs to the technical fields of environmental protection, industrial flue gas treatment and resource utilization, and particularly relates to a system and method for capturing and desorbing carbon dioxide in a spherical solid amine multi-stage thin-layer bubbling bed. Background technique [0002] Industrial flue gas treatment is one of the important issues of environmental protection. Industrial flue gas is the main source of carbon dioxide emissions, and the technology research and development of carbon dioxide capture and resource utilization in flue gas has attracted more and more attention and attention in the field of environmental protection. Among several gas separation methods, the capture of CO in flue gas by adsorption separation technology 2 There have been many applications; its main process includes: adsorbate CO 2 Adsorbed by the adsorbent at low temperature / high pressure in the adsorption reactor, and desorbed at hi...

Claims

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Application Information

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IPC IPC(8): B01D53/12
CPCB01D53/12B01D2257/504B01D2258/0283B01D2253/20B01D2259/40088B01D2259/4009B01D2259/4061B01D2259/406Y02C20/40
Inventor 邱峰刘英聚
Owner BEIJING DERUNCHEN ENVIRONMENTAL PROTECTION TECH CO LTD
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