High-flux multi-temperature-zone heat treatment device and use method thereof

By dividing the heat treatment device into multiple independent temperature control zones and using an array of crucible trays and heat insulation blocks, the problem of traditional heat treatment equipment handling small amounts of material and a single temperature is solved, achieving efficient and precise multi-temperature zone heat treatment, which is suitable for ceramics, powder metallurgy and alloy fields.

CN120970248APending Publication Date: 2025-11-18UNIV OF SCI & TECH BEIJING
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Patent Information

Application Number
CN202410611464.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-05-16
Publication Date
2025-11-18

AI Technical Summary

Technical Problem

Traditional heat treatment equipment can only process a small amount of material and cannot meet the requirements of different materials for various temperature conditions during the heat treatment process, resulting in long process cycles and low efficiency.

Method used

A high-throughput multi-temperature zone heat treatment device is adopted, which divides the furnace into multiple independent temperature control zones to form a temperature gradient that decreases layer by layer from top to bottom, and uses an array of crucible trays and heat insulation blocks to achieve multi-temperature zone heat treatment.

Benefits of technology

It achieves efficient and precise multi-material heat treatment, improves production efficiency, meets the temperature requirements of different materials, and is applicable to the fields of ceramics, powder metallurgy, and alloys.

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Abstract

A device capable of simultaneously performing heat treatment in multiple temperature areas is a lifting type multi-temperature-area pit furnace, a hearth is provided with three temperature areas, and each temperature area is provided with an independent heating element, an independent temperature sensor and an independent temperature control system, so that independent temperature control of each temperature area is realized; and a temperature gradient which is gradually reduced layer by layer from the upper layer to the lower layer is formed, and the temperature difference of the temperature gradient is controllable. The invention further provides a using method based on the device. Firstly, prefabricated materials are placed in array type crucible plates, then the crucible plates are stacked on a lifting platform, the crucible plates placed in different temperature areas are separated through heat insulation blocks, the lifting platform is started to close a furnace door, the target temperature of each temperature area is set according to requirements, and a decreasing temperature gradient is formed from top to bottom; the heat treatment process is completed through program control.
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