I. Graphite ELECTRODES
Mainly with petroleum coke, needle-like coke as raw material, coal tar as binder, by calcination, batching, kneading, pressing type, roasting, graphitization, machining and made, is in the arc furnace with electric arc-like release of electrical energy to the burden of heating and melting of the conductor, according to its quality index, can be divided into ordinary power, high power and ultra-high power. Graphite electrodes include: (1) ordinary power graphite electrodes. Allow the use of electric current density of less than 17a-cm 2 graphite electrode, mainly used in steelmaking, smelting silicon, refining of yellow phosphorus, such as ordinary power electric furnace. (2) Anti-oxidation coating graphite electrode. A layer of graphite electrodes coated with an antioxidant cover to form a protective layer that is conductive and resistant to high temperature oxidation to reduce electrode consumption during steelmaking. (3) High power graphite electrode. A graphite electrode with a current density of 18 25A centimeter 2 is allowed, which is mainly used in high power eaf for steelmaking. (4) Ultra high power graphite electrode. A graphite electrode with a current density greater than 25a cm 2 is allowed. Mainly used in ultra-high power steelmaking eaf.Steel, Iron Alloys Metallurgy
Graphite Anodes Steel, Iron Alloys Metallurgy
Mainly with petroleum coke as raw material, coal tar pitch as binder, by calcination, batching, kneading, pressure type, roasting, impregnation, graphitization, machining and made. It is generally used for conducting anode of electrolytic equipment in electrochemical industry. Including: (1) A variety of chemical anode plate. (2) various anode rods.Steel, Iron Alloys Metallurgy
III. Special Graphite
Mainly with High-quality petroleum coke as raw material, coal tar or synthetic resin as binder, by raw material preparation, batching, kneading, compression, crushing, kneading, molding, multiple roasting, multiple penetration, purification and graphitization, machining and made. Generally used in the aerospace, electronics, nuclear industry sector. It includes pure graphite of spectrum, high purity, high-strength, high-density and pyrolytic graphite.
IV. Graphite HEAT EXCHANGER Steel, Iron Alloys Metallurgy
The man-made graphite is processed into the desired shape, and then made of resin impregnation and solidification for the heat exchange of the non permeable graphite products, it is based on man-made impervious graphite for the matrix processing of heat exchanger equipment, mainly used in the chemical industry. Includes: (1) block-hole heat exchanger, (2) Radial heat exchanger, (3) Falling film heat exchanger and (4) tubular heat exchanger.
Refers to the use of graphite products through further processing and changed into a variety of shaped graphite products. Including shovel-type anode, fluorine-producing anode and a variety of specifications of crucibles, plates, rods, blocks and other special-shaped products.
Non-permeable graphite Steel, Iron Alloys Metallurgy
Refers to the resin and various organic materials impregnated, processed and made of various graphite-shaped products, including heat exchanger matrix block.