Method for clamping electrodes of automatic electrode control system of calcium carbide furnace
An automatic control system, calcium carbide furnace technology, applied in electric heating devices, electrical components, heating by discharge, etc., can solve the problems that are not involved, and achieve the effects of precise control of power balance, increase of ore recovery rate, and reduction of smelting power consumption
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[0020] Such as figure 1 , A method to automatically find the balance of the electrodes of the calcium carbide furnace automatic control system. The 110KV (35KV) three-phase alternating current of the power grid is connected to the primary of the submerged arc furnace transformer B through the isolation switch GK and the vacuum switch ZK, and the secondary output of the transformer B after transformation The three-phase alternating current of 80V to 500V is connected to the graphite electrode through a large cross-section short net composed of large cross-section copper tubes or copper plates and soft copper cables, conductive devices and graphite electrodes, and enters the furnace to provide electric power.
[0021] A current transformer L is installed on the primary or secondary of the transformer B, which outputs a 0-5 ampere AC current signal, which is converted into a 0-5V (or 0-10V) DC voltage analog signal by a signal converter, and is provided to A / D sampling board; the ot...
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