Graphite Electrode RP 350mm

XIn Hui carbon Regular Power (RP) Graphite Electrode 350 mm is made of high-quality petroleum coke and pitch, through calcining , batching, kneading, molding, baking, graphitization, machining, and the Graphite Electrode Nipple is made by three times impregnation and four times baking process.

Product Specification

Graphite Electrode RP 350mm diameter and allowable deviation

Graphite electrode RP 350 mm Recommended tightening torque

Graphite electrode RP 350 mm electrode current load

Graphite electrode RP 350 mm machining dimension of electrode and nipple

Application 

Electric furnace steelmaking mill is the largest user of graphite electrodes. Graphite electrodes used in steelmaking accounts for 70%-80% of the total graphite electrodes production. Graphite electrodes are used to conduct electric current into electric furnace, electric arcs generated between electrodes end and loaded materials can release large amount of heat for high temperature smelting. 

Characteristics and advantages 

1.Great chemical stability;

2.Low coefficient of thermal expansion, resistance to cracking, spalling and thermal shock;

3.Higher mechanical strength;

4.Higher machining accuracy and good surface finish;

5.Long operation life.

Certificate 

Packing 

Note on the preservation and installation 

Being hard and brittle, artificial graphite electrode shall be specially handled. Proper operation may reduce the consumption and cost.

A, Use special hoist tools to hoist graphite electrode. It is strictly forbidden to prize electrode ends up with crowbar. It must be handled with great care during transportation to avoid damage.

B, Graphite electrode must be kept away from being moistened or wetted by rain, snow and water, and must be kept dry. It must be dried in the furnace before use. The drying temperature in  the furnace shall be less then 100℃.The drying period shall be not less than 48 hours.

C, Not to be stored up near clay, lag etc. to avoid surface pollution and increasing resistivity. 

D, Carefully checking before connection, make sure that the socked and nipple thread is not damaged, nipple pitch plug is in. Nipple screw shall not be damaged during lifting.

E, Blow the nipple and socket threads with compressed air.

F, Graphite electrode must be connected contacted closely and straightly. Use moment spanner for connecting electrode with suitable force. The gap between electrodes shall less than 0.4mm.

G, The holding device must hold the electrode tightly, good contact and no arc.

Otherwise, the connecting area will get red and oxidized and thin, leading breakage.

H, Threaded portion of nipple socket shall not be damaged during hoisting by metal plug Hoisting plug shall spin out and keep nipple socket clean.

I, Lifting device of electrode must move stably when moving electrode. carefully

check the  position of furnace cover after being repaired. o seal the cover with refractory to prevent up electrode from being oxidized by fire.

J, The holding device of electrode shall hold the electrode beyond the socket area.

For charging the furnace, the large scrap should be put at the bottom, the small one on the top, Charge material with low electric conductivity shall not been put on the top. In the course of melting, un-melted material shall be taken in time to avoid electrode breaking by falling material.

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