Grinding device based on palladium carbon recovery

By incorporating an airflow and filter structure into the palladium-carbon recovery grinding device, the problem of fine powder clogging the pores was solved, thereby improving the leaching reaction efficiency and recovery efficiency of palladium metal.

CN121972264AActive Publication Date: 2026-05-05JIANGXI CHANGCHI NEW MATERIAL TECHNOLOGY CO LTD +1
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Patent Information

Application Number
CN202610345124.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-20
Publication Date
2026-05-05
Estimated Expiration
2046-03-20

AI Technical Summary

Technical Problem

In existing grinding equipment, fine powder particles can clog the pores of the material during palladium recovery on carbon, reducing the contact efficiency between palladium metal and acidic liquid and affecting the recovery efficiency.

Method used

A grinding device based on palladium-carbon recovery is designed. An airflow is formed by setting an air inlet and a discharge pipe inside the drum. A filter screen is used to block dust leakage. By controlling the airflow intensity and the filter screen to retain the larger effective materials, powder residue is avoided in the drum, thus ensuring the porosity of the materials.

Benefits of technology

It effectively prevents powder from clogging the pores, improves the leaching reaction efficiency of palladium metal, and ensures recovery efficiency.

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Abstract

The grinding device comprises a roller arranged on a machine table, the roller is in transmission connection with a roller driving assembly, the roller is used for material grinding, one end of the roller is provided with a feeding port and an air inlet, the other end of the roller is provided with a discharging pipe, and airflow is formed between the air inlet and the discharging pipe; dust generated in the grinding process is conveyed to the discharging pipe through airflow; a filter screen is arranged in the discharging pipe and used for preventing particle materials except the dust from leaking outwards. In the grinding process, by controlling the air flow intensity and the filter screen, effective materials with large weight can be reserved, generated powder with small weight is brought out through air flow, it is avoided that the powder is left in the roller to block material holes, the porosity of the finally produced materials is guaranteed, the leaching reaction efficiency of palladium metal in the materials is guaranteed, and the recovery efficiency is guaranteed.
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