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UHP Graphite Electrode

UHP graphite electrode is used for the recycling of steel in the electric arc furnace industry. Its main ingredient is high-value needle coke which is made from either petroleum or coal tar. Graphite electrodes are finished with a cylinder shape and machined with threaded areas at each end.

Category:

Graphite Electrode

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zhuli2@graphite-electrodes.cn

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8619080105022

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Description

产品描述

Description

UHP graphite electrode is used for the recycling of steel in the electric arc furnace industry. Its main ingredient is high-value needle coke which is made from either petroleum or coal tar. Graphite electrodes are finished with a cylinder shape and machined with threaded areas at each end. In this way, the graphite electrodes can be assembled into an electrode column using electrode nipple.

In order to meet the requirement of higher work efficiency and lower total cost, large capacity ultra-high power arc furnaces are becoming more and more popular. Because of this, UHP graphite electrodes with diameters of over 500 mm will dominate market.

Feature

★ Withstand large currents, high discharge rate.
★ Good dimension stability, not easy to deform.
★ Resistant to cracking & spalling.
★ High resistance to oxidation and thermal shock.
★ High mechanical strength, low electrical resistance.
★ High machining accuracy, good surface finishing.

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.
★ Ladle 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.

UHP Graphite Electrode

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Carbon raw materials are widely used in the industries of steelmaking, casting, refractory and lubricating materials, with stable quality and can be supplied both domestically and internationally.

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