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HP Graphite Electrode

HP graphite electrode is the conducting element for electric arc furnaces steelmaking. It is made of petroleum coke, needle coke, coal pitch and produced by a series of strict production processes. High-current lines insert through the graphite electrode port inside the furnace body.

Category:

Graphite Electrode

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zhuli2@graphite-electrodes.cn

WhatsApp:

8619080105022

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Description

产品描述

Description

HP graphite electrode is the conducting element for electric arc furnaces steelmaking. It is made of petroleum coke, needle coke, coal pitch and produced by a series of strict production processes. High-current lines insert through the graphite electrode port inside the furnace body. This will releases electric energy in the arc furnace to heat the furnace.

The demand for the larger diameter electrodes has been increasing as EAF furnace sizes become larger. Graphite electrodes with diameter of 500 mm or 600 mm have become increasingly popular in recent years.

Feature

★ Anti-oxidation treatment for longevity.
★ High-purity, high-density, strong chemical stability.
★ High machining accuracy, good surface finishing.
★ High mechanical strength, low electrical resistance.
★ Resistant to cracking & spalling.
★ High resistance to oxidation and thermal shock.

Application

Graphite electrodes are widely used for production of alloy steels, metal and other nonmetallic materials, etc.
★ DC electric arc furnace.
★ AC electric arc furnace.
★ Submerged arc furnace.

Specification

Packing

FAQs

Note 1: Transportation

Graphite electrode should be covered with rain-proof tarpaulin in the process of transportation.

Note 2: Forklift Transport

Be careful when transporting and pilling the electrodes with forklift and avoid collisions. One layer of goods at a time, notice the balance and alignment to avoid falling or breakage

Note 3: Loading Caution

When loading and unloading with forklift, additional wire rope must be used and steel wrapping tape can not be employed directly to fetch electrode.

Note 4: Storage Caution

Electrode should be stored in clean and dry place. When stocked in open area, it should be covered with rain-proof tarpaulin and the number of piling layers ought not to exceed four.

Note 5: Precautions Before Use

Electrodes should be dried next to electric furnace before using. The temperature should not exceed 120 °C and the time should not be less than 48 hours.

Note 7: Installation Caution

Please clean the electrode threads first before connection, then screw the nipple into one end of the electrode. Don't touch the thread, and don't put the joint directly into the working electrode on furnace.

Note 6: Wrapping Tape Cutting

When using electrode, special tools should be employed to cut the steel wrapping tape, and crane should not be adopted to avoid bursting.

Note 9: Hoisting Attention

Use revolved resilient hanger and put soft cushions under the electrode nipple to avoid breakage of thread.

Note 8: Electrode Thread Cleaning

Steel-wire ball, metallic brush or emery cloth is not allowed for cleaning electrode thread, but compressed air free of oil and water is available.

Note 10: Connection Caution

Before connecting, clean the screw thread of electrode with compressed air free of oil and water.

Note 11: Nipple Connection

When connecting, the electrode is aligned with the center axis of the nipple to which is the connected.

Note 12: Tighten the Electrode

Use special caliper to tight electrode according to rated torque by mechanical way, hydraulic pressure or wind pressure equipment should also be available.

Note 13: Electrode Clamp Position

Clamp holder should be placed out of the alarm line. (Note: clamp holder should not clamp at alarm line zone, or the middle of the electrode, as it is easy to cause the rupture of the electrode) Clamp holder and interfaces of the electrode must be cleaned regularly to keep good touch with electrode.

Note 14: Graphite Electrode Selection

To avoid the electrode breakage, insulating materials should not be put into the furnace. The working current of electrode must be conformity with the allowable current of electrode in the instructions.

Note 15: Large Material Smelting

In order to avoid electrode breakage, put the large materials in lower part and small materials on the upper part.

HP Graphite Electrode

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