Immersion cooling conductive cross arm

Abstract

The invention relates to an immersion cooling conductive cross arm which comprises a cross arm main body, a conductive chuck, an electrode hoop, a water inlet pipe, a water outlet pipe and a conductive copper bar, wherein the conductive chuck and the electrode hoop are arranged at the front end of the cross arm main body; an electrode is fixed on the conductive cross arm by the conductive chuck and the electrode hoop; the water inlet pipe is used for filling cooling water into the cross arm main body; the water outlet pipe is used for draining the circulating cooling water out of the cross arm main body; the conductive copper bar is arranged in the cross arm main body by a installing and fixing part; the conductive copper bar extends into the cross arm main body from the rear part of the cross arm main body; the front end of the conductive copper bar is connected with the conductive chuck; and the water outlet pipe is positioned above the water inlet pipe. According to the invention, the conductive copper bar is soaked in the cooling water and the circulation of the cooling water is carried out by utilizing the specific gravity difference of water at different temperatures so as to cool the conductive copper bar; a cooling water inlet passage and a cooling water return passage do not need to be additionally processed; and the immersion cooling conductive cross arm has simple structure and good cooling effect.

Description

technical field [0001] The invention belongs to the technical field of metallurgical equipment, and in particular relates to a conductive cross arm used on an industrial electric furnace heated by an electric arc. Background technique [0002] As a key part of the electric arc furnace, the conductive cross arm plays the role of supporting and clamping the electrodes, and conducts the electric energy from the secondary short network of the transformer to the furnace shell through the electrodes, and generates a strong arc current in the charge to heat up the melted material . The conductive cross arm is usually installed on the supporting column, and its front end clamps the electrode through the electrode clamp, so that the electrode can be accurately kept at the position of the electrode center circle during the lifting process. The lighter the weight of the conductive cross arm, the smaller the driving force for the lifting adjustment of the supporting column, and the sma...

AI Technical Summary

Problems solved by technology

However, the melting point of aluminum is low, and the top of the cross arm is greatly affected by high-temperature flames and thermal radiation, and the electrical conductivity of aluminum is substantially inferior to that of copper. In order to improve electrical conductivity and ensure work stability, it is necessary to use thicker At the same time, in order to improve the strength, the interior is equipped with reinforcing ribs, and the processing technology of aluminum is more complicated than that of steel and copper, which usually requires the use of special welding processing equipment, and in order to prevent the all-aluminum alloy conductive cross arm from being corroded by cooling water, Magnesium alloy materials need to be used for electrochemical anti-corrosion to improve the corrosion resistance of the plates. The anti-corrosion materials are replaced every 3 to 5 years, which not only directly increases the processing and manufacturing costs, but also leaves many problems for subsequent maintenance.

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