Super-power silicon carbide smelting furnace

Abstract

The invention relates to a super-power silicon carbide smelting furnace which comprises a power supply device, a furnace body, a furnace head and a water circulating device, wherein the power supply device is used for converting alternating current provided by a high voltage power network into appropriate direct current and supplying the direct current to the furnace head; a solid graphite electrode and a conductive copper bar electrically connected with the solid graphite electrode are arranged in the furnace head, wherein the conductive copper bar is electrically connected with the power supply device so as to provide the alternating current provided by the power supply device for the solid graphite electrode; a resistance-type furnace core formed by graphite powder is arranged in the furnace body and in electric contact with the solid graphite electrode of the furnace head; a cooling part with a water inlet and a water outlet is arranged on the furnace head; a water outlet pipeline of the water circulating device is connected with the water inlet of the cooling part, a water inlet pipeline of the water circulating device is connected with the water outlet of the cooling part so as to enable water to flow through the cooling part, and the cooling part absorbs heat produced by the furnace head by utilizing flowing water.

Description

Technical field: [0001] The invention relates to the technical field of silicon carbide smelting, in particular to an ultra-high-power silicon carbide smelting furnace. Background technique: [0002] The existing silicon carbide smelting furnace includes a power supply device, a furnace body and a furnace head. The power supply device is used to reduce the voltage of the alternating current provided by the high-voltage grid, convert the reduced alternating current into a suitable direct current, and provide the direct current to the burner head. The burner is provided with a solid graphite electrode and a conductive copper bar electrically connected to the solid graphite electrode, and the conductive copper bar is electrically connected to the power supply device to provide the direct current generated by the power supply device to the solid graphite electrode. The furnace body is equipped with a resistive furnace core composed of graphite powder. The mixture composed of qu...

AI Technical Summary

Problems solved by technology

[0003] However, as the installed capacity of the silicon carbide smelting furnace continues to increase, the solid graphite electrode in the furnace head will be overheated and oxidized, and the electric copper bar of the furnace head will be overheated and melted, resulting in the silicon carbide smelting furnace not being able to smelt silicon carbide normally.

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