Dec. 10, 2020
As a Graphite Electrodes Manufacturer, share it with you.
The cost of charging (scrap, DRI, molten iron) may be the most variable factor in the cost of graphite electrode steelmaking. Graphite rods are often used as electric heating elements in high-temperature vacuum furnaces. The maximum operating temperature can reach 3000°C. It is easy to oxidize at high temperatures. Except for vacuum, it can only be used in a neutral or reducing atmosphere. Its thermal expansion coefficient is small, thermal conductivity is large, resistivity is (8~13)×10-6 Ω·m, processability is better than SiC, MoSi2 rod, high temperature resistance, extreme cold and extreme heat resistance, good price Cheaper.
Graphite block is a kind of artificial graphite, and artificial graphite is made by artificial heating of coke products. Generally, if it is purified to make high purity, or carbon fiber, the added value is high. Graphite electrodes are mainly made of petroleum coke and needle coke as raw materials, coal tar pitch as a binder, and are made by calcination, batching, kneading, pressing, roasting, graphitization, and machining. It releases electric energy in the form of electric arc in an electric arc furnace The conductors that heat and melt the charge can be divided into ordinary power, high power and ultra-high power according to their quality indicators. Graphite electrodes mainly include four types: ordinary power graphite electrodes, anti-oxidation coating graphite electrodes, high power graphite electrodes and ultra-high power graphite electrodes. Therefore, in addition to obtaining certain product quality, many graphite electrode manufacturers also alternately change the charging method to find the best production cost. The low-cost charging (LCC) model of graphite electrode manufacturers aims to optimize the feeding of graphite electrodes by considering the production methods used in each furnace, influencing factors and constraints, including raw materials, time, and waste inventory. According to the total amount of scrap steel, ferroalloy, residual steel in the furnace, and reheated steel (if any), the model uses each furnace as the calculation factor and provides different calculation modes and functions.
Graphite electrodes are mainly made of petroleum coke and needle coke as raw materials, coal tar pitch as binder, calcined, proportioned, kneaded, pressed, roasted, graphitized, and mechanically processed. According to its quality indicators, it can be divided into ordinary powder , Large powder and super high powder. It can be used for smelting in electric arc furnaces.
Graphite is very common in nature. Graphene is the strongest material known to man, but it may still take years or even decades for scientists to find a way to transform graphite into a large-scale high-quality graphene "film". It is people who can be used to construct various useful substances.
Our company also has Graphite Electrodes on sale, welcome to contact us.