Carbide pressure fritting furnace tandem temperature regulating device

一种硬质合金压力烧结炉串级控温装置

Abstract

The utility model discloses a carbide pressure fritting furnace tandem temperature regulating device, from outer heat -preserving container, heat -generating body and the graphite magazine that sets gradually in to in the fritting furnace furnace body, still include main temperature controller, with the supplementary temperature controller of main temperature controller series connection, leadingly draw together first thermocouple, the leading accent merit ware of being connected in the second thermocouple between heat -generating body and the graphite magazine, with supplementary temperature controller output and the transformer of being connected with accent merit ware output in the graphite magazine, first thermocouple is connected with main temperature controller input, the second thermocouple is connected with supplementary temperature controller's input section. Low temperature and high temperature homogeneity index were distinguished to the product in this tandem temperature regulating device can effectively improve the stove, improved product cobalt magnetism and magnetic force homogeneity, effectively shortened product dewaxing and sintering holding time, improved carbide product sintering performance index when improving sintering process efficiency.
本实用新型公开了一种硬质合金压力烧结炉串级控温装置,包括烧结炉炉体内从外至内依次设置的保温桶、发热体以及石墨料盒,还包括主温度控制器、与主温度控制器串联的辅助温度控制器、前置于石墨料盒内的括第一热电偶、前置于发热体与石墨料盒之间的第二热电偶、与辅助温度控制器输出端连接的调功器以及与调功器输出端连接的变压器,所述第一热电偶与主温度控制器输入端连接,所述第二热电偶与辅助温度控制器的输入段连接。该串级控温装置能有效提高炉内产品区低温及高温均匀性指标,改善产品钴磁和磁力均匀性,有效缩短产品脱蜡及烧结保温时间,提高烧结生产效率的同时提高硬质合金产品烧结性能指标。

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