Ferro-Alloy Submerged Arc Furnace
The Submerged Arc Furnace is mainly used for reducing and smelting ore, carbon-reducing agents, solvents, and other raw materials. It mainly produces ferrosilicon, ferromanganese, ferrochromium, ferrotungsten, Silicon-manganese alloy, silicon-chromium alloy, industrial silicon, carbide, high-titanium slag, and other ferroalloys. It is an important industrial raw material and chemical raw materials such as carbide in the metallurgical industry.
It uses carbon or magnesium refractories as lining and self-culturing electrodes. Electrodes are inserted into the charge for submerged arc operation, which uses the energy and current of the arc to pass through the charge and generates energy due to the resistance of the charge to melt metal. Adding materials one after another and discharging slag intermittently is an industrial electric furnace for continuous operation.
Main Equipment for the Large Current System of Submerged Arc Furnaces
1. Combined electrode clamper
2. Clamper, pressure ring type with expansion pipe
3. Pipe type short network
4. Furnace transformer
Combined Electrode Clamper
Combined electrode clamper is a new type of combination electrode holder technology including pressure relief device. It is completely different from the traditional method, which simplifies the holding device and adapts to different diameters of electrodes.
Due to the corresponding change of the rib structure of the shell of the electrode, the current distribution on the cross-section of the electrode is more balanced, which is conducive to accelerating the sintering of the electrode and avoiding the occurrence of electrode accidents.
At the same time, because the combination electrode holder is conductive to the rib, the current flows directly to the core of the electrode through the rib of the combination electrode holder, fundamentally changing the traditional surface conduction to the core of the electrode.
It is because of the different conductive principles that the phenomenon of electrode skimming is solved, thus greatly improving the opening rate of the submerged electric furnaces and fundamentally solving the problem of electrode opening rate.
At the same time, the combination holder has a long service life, can be repaired and reused, and reduces production costs. It can not be solved by conductive copper bush. It has the advantages of reliable operation and a high operation rate.
Clamper, Pressure Ring Type with Expansion Pipe
The main structural features of clamper, pressure ring type with expansion pipe are: clamping copper shell part is bellows clamping ring. It consists of a water-cooled protective sleeve, water-cooled pressure ring, water-cooled pressure bellows, and hydraulic media. In the clamping ring, the bellows are pressed against the forged copper bushes one by one, which ensures that the clamping force of each copper bush to the electrode is balanced and the pressure of the copper bush to the electrode is easily adjusted. It has the advantages of stable pressure, good randomness, and easy automatic pressure relief and adjustment.
Pipe Type Short Network
Short network with pipe structure, consisting of copper pipe, flexible part is water-cooled cable. The whole system is cooled with soft water. This short network structure has the advantages of reliable technology, strong current carrying capacity, good electrical performance, lightweight and low investment, and is also an ideal match for the new type of holder system. It is a practical technology worth popularizing and using to realize the one-to-one connection between transformer outlet and conductive component.
Ferry-Alloy Submerged Arc Furnace Transformers are optimized by computer. New technologies, new materials, and processes are applied to reduce loss and increase mechanical strength. High-quality cold-rolled silicon steel sheets with high magnetic conductivity and high-quality materials such as oxygen-free copper electromagnetic wire are carefully manufactured. Optimized magnetoelectric balance technology is used to ensure excellent dynamic and thermal stability, internal multi-point positioning, complete loosening-proof treatment of fasteners, and on-site core-free operation. Reliable anti-oil aging measures for fully sealed diaphragm oil storage tank, sealing structure to ensure no leakage
Mining furnace equipment is developing towards large-scale, automation, enclosed, environmental protection, and energy-saving. Our company has designed and manufactured ferromanganese, ferrosilicon, and ferrochromium electric arc furnaces with a capacity of 3300KVA. 3500KVA - 6300KVA refining electric arc furnace; 6300KVA DC arc furnace; 25000KVA industrial silicon electric arc furnace; 45000KVA Calcium Carbide Furnace; 36000KVA ferrosilicon aluminum arc furnace.
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