A method for directional utilization of multiple solid wastes in a substation

By dissociating, sorting, and specializing the treatment of solid waste from substations, high-performance functional graded components were prepared, solving the problem of performance control difficulties caused by material mixing in the treatment of multi-component solid waste from substations, and realizing high-value-added resource utilization and performance improvement.

CN122142049APending Publication Date: 2026-06-05POWERCHINA FUJIAN ELECTRIC POWER SURVEY & DESIGN INST CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
POWERCHINA FUJIAN ELECTRIC POWER SURVEY & DESIGN INST CO LTD
Filing Date
2026-03-25
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

In existing technologies, the treatment methods for multi-component solid waste from substations are crude, resulting in the simple mixing of materials with different physical and mechanical properties, which makes it difficult to meet the requirements of high-performance applications, and the performance of mixed recycled aggregates is difficult to control.

Method used

Using a targeted utilization method, through dissociation, cascade sorting and specialized treatment, substation solid waste is separated into metals, composite cable sheaths, ceramic fragments and waste concrete blocks, and then subjected to rust prevention, modification and strengthening treatments to prepare functional gradient structure recycled concrete components.

Benefits of technology

It has realized the high-value-added resource utilization of various solid wastes from substations, and produced functional graded components with comprehensive performance superior to traditional single materials, solving the problems of aggregate pollution and performance degradation, and meeting the requirements of harsh service environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to a kind of directional utilization method for substation multi-element solid waste, belong to substation waste recycling technical field, including the following steps: S1: solid waste dissociation: remove large foreign matter in substation solid waste, and the substation solid waste after removing large foreign matter is carried out primary crushing dissociation, obtain primary mixture;S2: solid waste step-by-step sorting: primary mixture is sorted, and metal enrichment material, composite cable skin broken material, ceramic fragments and waste concrete block material are obtained;S3: solid waste special processing, obtain rust-proof metal reinforced material, surface modification elastic particle, high-activity ceramic micro powder and high-quality recycled coarse aggregate;S4: preparation function gradient component.The present application accurately uses different functional materials for different functional areas of recycled concrete component, so that high-performance gradient structure recycled concrete component meeting the requirements of severe service environment can be prepared.
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