A multi-stage electromagnetic field phase change temperature control solid waste heat storage material sintering system and method

The solid waste thermal storage material sintering system, which utilizes multi-stage electromagnetic field phase change temperature control, solves the problem of high energy consumption in low-temperature sintering of solid waste-based thermal storage materials by using the synergistic heating of primary and secondary coils and the temperature regulation of the phase change temperature control layer. It achieves a high-efficiency and low-energy-consumption sintering effect and improves the material's density and thermal conductivity.

CN122149202APending Publication Date: 2026-06-05XIAN THERMAL POWER RES INST CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
XIAN THERMAL POWER RES INST CO LTD
Filing Date
2026-01-23
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

In existing technologies, the low-temperature sintering of solid waste-based thermal storage materials suffers from high energy consumption and a heavy environmental burden, failing to effectively solve the key problem of efficient and low-energy sintering.

Method used

The solid waste thermal storage material sintering system adopts multi-stage electromagnetic field phase change temperature control, including a uniaxial pressurization device, a multi-stage electromagnetic field dynamic temperature control system and a phase change temperature control layer. Through the coordinated heating of the primary and secondary coils, combined with the temperature regulation of the phase change temperature control layer, gradient heating and cooling are achieved, reducing energy consumption and improving density.

Benefits of technology

This achievement enables efficient and low-energy sintering of solid waste-based thermal storage materials, improving the material's structural density and mechanical properties, reducing energy consumption and environmental burden, and enhancing the material's thermal conductivity and cycle stability.

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Abstract

The application provides a multi-stage electromagnetic field phase change temperature control solid waste heat storage material sintering system and method, and belongs to the technical field of solid waste resource utilization. The system and method can at least partially solve the problem that existing solid waste-based heat storage materials cannot realize efficient and low-energy sintering at low temperatures. The application comprises a press and a multi-stage electromagnetic field dynamic temperature control system. The multi-stage electromagnetic field dynamic temperature control system comprises a primary coil surrounding the outside of a green body raw material and a secondary coil preset inside the green body raw material. The application has the beneficial effect of setting the multi-stage electromagnetic field dynamic temperature control system. The sintering process can be adjusted at different stages according to the demand through the dynamic adjustment of the multi-stage electromagnetic field. The inductance and resistance heating methods in the multi-stage electromagnetic field dynamic temperature control system are used in cooperation to reduce energy consumption. The external primary high-frequency coil and the internal secondary low-frequency coil are used in cooperation for heating to realize uniform heating from the surface to the inside, thereby improving the structural compactness and mechanical properties of the solid waste-based heat storage material.
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