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Application of Graphite Electrode

Application of Graphite Electrode

Electric furnace steelmaking is a major user of graphite electrodes. The output of electric furnace steel in China accounts for about 18% of the crude steel output, and graphite electrodes for steelmaking account for 70% to 80% of the total consumption of graphite electrodes. Electric furnace steelmaking uses graphite electrodes to introduce an electric current into the furnace, and uses the high-temperature heat source generated by the electric arc between the electrode ends and the furnace charge to conduct smelting.

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Production characteristics of graphite electrodes

Production characteristics of graphite electrodes

(1) Long production cycle. The production cycle of ordinary power graphite electrodes is about 45 days, and the production cycle of ultra high power graphite electrodes is over 70 days. However, the production cycle of graphite electrode joints that require multiple impregnations is longer.

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Processing of graphite electrodes

Processing of graphite electrodes

(1) Pressurized vibration method: Pressurized vibration method requires special machine tools, and the electrode mother mold is opposite to the electrode shape. Graphite materials and forming tools are placed relative to each other during processing, leaving a certain gap. A machining fluid mixed with water and abrasive is injected into it. Ultrasonic vibration of graphite and forming tools occurs while passing through the processing fluid. Under the action of abrasive impact force, graphite is slightly peeled off to form the desired shape. The abrasive is SiC, B4C, or diamond. The coarser the abrasive, the faster the processing speed. When the machine tool is working, it adopts sealed type and water curtain type for processing. EDM machining suitable for mass production.

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Development history of graphite electrodes

Development history of graphite electrodes

It is reported that since the 1990s, the enterprise located in Beijing, led by Beijing Jixing Sheng'an Industry and Trade Co., Ltd., has been adhering to the development and production of graphite products. It has excellent CNC production equipment and processing centers, exquisite production technology, and complete testing methods. Since the early 1990s, due to its excellent performance and stable quality, the product has been consistently praised by users at home and abroad. Its "Ji'an" brand products include: graphite electrodes, graphite products for high-temperature treatment in industrial furnaces,

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National Standard for Graphite Electrodes

National Standard for Graphite Electrodes

This standard specifies the appearance, dimensions, allowable deviations, technical requirements, test methods, packaging, marking, storage, transportation, and quality certificates of graphite electrodes. This standard is applicable to ordinary power graphite electrodes made from high-quality petroleum coke, asphalt coke, and other main raw materials through molding, roasting, impregnation, graphitization, and mechanical processing. Power supply arc furnaces are used as conductive materials.

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