Electric Arc Furnace

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Electric Arc Furnace

Electric arc furnace uses electricity as fuel source and utilizes the arc high temperature produced by electrode and furnace charge to heat and melt the furnace charge. It is widely using in production of normal steel, high quality carbon steel, various alloy steel, stainless, various ferroalloys. It is the key equipment in steel making factories, foundry factories, ferrous alloys making factories and etc.

Characteristic:

1.Smelting temperature is flexible to be controlled, to meet different steel grade production needs.
2.High heat efficiency, atmosphere inside furnace can be controlled.
3.Remove the phosphorus, sulfur, oxygen and other impurities and improve steel quality.
4.Easy to control the chemical composition of steel, stable and high recovery rate of alloys.
5.Equipment is simple and shorter technological process.

Adoption of new technology:

1.Optimization design
2.Tubular water cooled furnace wall and furnace lid
Eccentric bottom tapping (EBT)
Copper-steel combined electrode arm
3.Cluster type large sectional area water cooled cables
Optimize large current system structure (energy-saving type)
Proportional valves hydraulic system
Basic level (PLC) + procedure level ( Industrial control computer) Control system
Frequency control technique
Network technique

Q:What are the advantages of a vacuum furnace?: Energy consumption is lower than salt bath furnace. Modern advanced vacuum industrial furnace heating chamber is made of high quality heat insulation material and wall, which can concentrate electric heating energy into heating chamber with remarkable energy saving effect.

Q:Heat treatment equipment (industrial furnace), which products generally contain what kind of, which industries need to use heat treatment industrial furnace equipment.: The general metal die casting plant and the metal smelting plant need process melting and dissolving furnace, usually there are reverberatory furnace, cupola, rotary furnace, etc. I do the melting furnace of aluminium alloy.

Q:What's the role of anchor bricks in industrial furnaces?: These layers need to be joined and anchored. Anchor brick is this role. The heat insulation layer at the horizontal section of the flue is mostly a narrow cavity.

Q:Selection of heat preservation material for industrial furnace: In the neutral and oxidizing atmosphere, the tensile strength, toughness and fiber structure can be maintained for long term use. The temperature is 950-1400 centigrade. Excellent chemical stability; excellent thermal stability; excellent tensile strength; low thermal conductivity; low thermal capacity; excellent sound absorption and noise reduction performance.

Q:What is an industrial furnace pit?: In twentieth Century 50s, coreless induction furnaces were developed rapidly. Later, electron beam kilns, using electron beams to impact solid fuels, strengthen the surface to heat and fuse materials with high melting point.

Q:What is the difference between industrial furnace masonry and ordinary masonry?: Furnace industry is not generally Mason walls, needs to have a professional operation and rich construction experience, high level of industrial furnace is difficult to get.

Q:How many kinds of industrial electric furnaces are there?: Industrial furnace according to the heating mode is divided into two categories: one is the fuel furnace, combustion heat with solid, liquid or gaseous fuel in the furnace for heating the workpiece; the second is in the furnace, the furnace converts electrical energy to heat the heat.

Q:Brief introduction to repair of industrial furnace: Compared with other equipment, industrial furnace repair has many characteristics: more repair times, more maintenance costs, more non-standard equipment and unsafe factors.

Q:What is industrial furnace masonry?: Plane construction must level, slope construction must find slope,refractory bricks must be selected and processed according to masonry requirements.

Q:What is the difference between industrial furnaces and boilers?: Hot water or steam generated in the boiler can directly provide necessary energy for industrial production and people's life, but also by the steam power device is converted to mechanical energy, or through the generator converts mechanical energy into electrical energy. Hot water boilers are called hot water boilers. They are mainly used in daily life, and are also used in industrial production. Steam generating boilers are called steam boilers, often referred to as boilers. They are used in thermal power stations, ships, locomotives and industrial and mining enterprises.

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