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Dual-carbon treatment carbon capturing, recycling and reusing system and method

A carbon capture, one-way technology, applied in the field of dual-carbon treatment carbon capture and recycling systems, can solve the problems of high operating costs and complex processes, and achieve the effects of good safety performance, stable concentration and short process flow

Pending Publication Date: 2022-05-06
产学研(广州)环境服务有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The technical problem to be solved in the present invention is: the existing technology is only suitable for recovering carbon dioxide from low-concentration carbon dioxide waste gas, and the process is complicated and the operation cost is high

Method used

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  • Dual-carbon treatment carbon capturing, recycling and reusing system and method

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Embodiment 1

[0028] Such as figure 1 As shown, a dual-carbon governance carbon capture recovery and reuse system includes a desorption module, a synthesis module, and a decomposition module. The desorption module includes a turbine 1, and the input end of the turbine 1 is connected to a cooling fan 2 and a humidification scrubber. 3. The input end of the humidifying scrubber 3 is provided with a suction fan 4, and the waste gas pipe of the turbine 1 is connected to the discharge chimney. The turbine 1 includes a desorption area, a cooling area and an adsorption area.

[0029] The synthesis module includes a first condenser 5, which is a shell-and-tube heat exchanger. The materials go into the tubes of the first condenser 5, and water goes between the tubes to by-produce steam. The degree of condensation of ammonia and carbon dioxide is adjusted, the input end of the first condenser 5 is connected with the output end of the turbine 1, the output end of the first condenser 5 is provided with...

Embodiment 2

[0033] A carbon capture recovery and reuse method for double carbon governance, comprising the following steps:

[0034]Step 1: Use external equipment to divide the two ends of the cylindrical corrugated carbon dioxide absorbent into absorption, regeneration, and cooling areas, rotate the cylindrical honeycomb absorbent, and deliver combustion exhaust gas in the range of 50 to 80 ° C to the absorption area , at the same time, supply water vapor in the range of 150-180°C to the regeneration area, and obtain high-concentration and concentrated carbon dioxide through the separation reaction of carbon dioxide in the corrugated absorbent;

[0035] Step 2: The temperature of the urea synthesis reaction solution rises to 180--185°C, the mixed solution is evenly distributed in the stripping tube and forms a liquid film on the inner wall, and the introduced carbon dioxide gas meets the synthesis reaction solution countercurrently in the tube, Steam heating, excess ammonia and unconvert...

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Abstract

The invention belongs to the field of dual-carbon treatment, relates to a urea preparation technology, aims to solve the problems that the prior art is only suitable for recycling carbon dioxide from low-concentration carbon dioxide waste gas, and is complex in process and high in operation cost, and particularly relates to a dual-carbon treatment carbon capturing, recycling and reusing system and method which comprises a desorption module, a synthesis module and a decomposition module. The desorption module comprises a rotating wheel machine, the input end of the rotating wheel machine is connected with an air cooler and a humidification washing tower, the input end of the humidification washing tower is provided with a suction fan, a waste gas pipe of the rotating wheel machine is connected with a discharge chimney, and the rotating wheel machine comprises a desorption area, a cooling area and an adsorption area. The safety performance is good, and the ignition phenomenon is not prone to occurring when hot airflow regeneration is adopted; calcium carbonate is adopted as an adsorbent, and the regeneration temperature can be increased; the equipment resistance is low, the operation cost is low, and the concentration of carbon dioxide in the adsorbed tail gas is stable and convenient to control.

Description

technical field [0001] The invention belongs to the field of dual-carbon governance, in particular to a system and method for capturing, recycling and reusing carbon for dual-carbon governance. Background technique [0002] The construction, improvement and operation of the energy management system and carbon emission management system are important means of energy conservation and carbon reduction. It is the use of modern management ideas, reference to mature management models, and the integration of process analysis methods, system engineering principles and planning, implementation, inspection, and improvement cycles. The management concept is introduced into corporate energy and carbon emission management. [0003] In the prior art, a solvent is used to absorb and desorb carbon dioxide, and the concentration of carbon dioxide can reach more than 98%. This method is only suitable for recovering carbon dioxide from low-concentration carbon dioxide waste gas, and the proce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/06
CPCB01D53/06B01D2257/504
Inventor 杨鹏坤彭瑛徐姣龙陈文福李桂文李东桂
Owner 产学研(广州)环境服务有限公司
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