Integrated equipment for strengthening surface of low-carbon recycled aggregate and mineralizing micro-powder carbon

The integrated equipment for surface strengthening micro-powder carbon mineralization of low-carbon recycled aggregates utilizes vibration and mixing mechanisms to peel off mortar powder from recycled concrete aggregates and react it with carbon dioxide gas. This solves the problem of poor carbonization effect of existing carbonization devices and achieves rapid deep carbonization and resource utilization.

CN224293257UActive Publication Date: 2026-05-29FUJIAN NONNON TECH
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Patent Information

Application Number
CN202521264070.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-19
Publication Date
2026-05-29
Estimated Expiration
2035-06-19

AI Technical Summary

Technical Problem

Existing carbonation equipment has poor carbonation effect when processing recycled concrete aggregates, cannot effectively remove mortar powder, and has a long reaction time, resulting in resource waste and insufficient performance improvement.

Method used

A low-carbon recycled aggregate surface strengthening micro powder carbon mineralization integrated equipment is adopted. The recycled concrete aggregate is mixed with carbon dioxide gas and carbonization reaction solution through vibration and stirring mechanism. The mortar powder is peeled off by grinding parts and screened in filter screen to achieve rapid deep carbonization.

Benefits of technology

It enables rapid and deep carbonization of recycled concrete aggregates, improves aggregate performance, and utilizes mortar powder as a raw material for cement, achieving low-carbon, energy-saving and emission-reduction.

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Abstract

The low-carbon recycled aggregate surface strengthening micro-powder carbon mineralization integrated equipment comprises a machine frame, a first carbonization barrel and a second carbonization barrel, the first carbonization barrel is horizontally installed on the machine frame in a vibrating mode, a discharging hopper is arranged on the top face of the first carbonization barrel, a feeding port is formed in the top face of the first carbonization barrel, a buffering sealing structure is arranged in the discharging hopper, and the second carbonization barrel is arranged in the discharging hopper. A first discharge port and a second discharge port are formed in the bottom surface of each carbonization barrel, a filter screen is arranged in the range of the first discharge port, two second carbonization barrels are arranged below the first carbonization barrel, the upper ends of the two second carbonization barrels are communicated with the first discharge port and the second discharge port in a one-to-one correspondence manner, stirring rods are arranged in the second carbonization barrels, and the stirring rods are arranged in the second carbonization barrels. The lower ends of the two carbonization barrels II are provided with feed openings, and the top surfaces of the two carbonization barrels II are respectively provided with a gas filling opening and a liquid filling opening; a rod body and a spiral blade are arranged in the carbonization cylinder I, a grinding piece is mounted on the rod body, and a stripping surface is arranged on the surface of the grinding piece; compared with the prior art, the aggregate carbonization effect is better.
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