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


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Q:What is the difference in structure between industrial furnace and boiler?
Industrial furnace: main heating, steel and other metal materials, or ore and other materials. An industrial furnace of higher temperature, such as forging or heat treatment. Therefore, the energy consumption is large, and the insulation layer is designed to be thicker, and the structure is designed for the final purpose of the production purpose, the product process and the production efficiency.
Q:How many kinds of industrial electric furnaces are there?
Electric furnace is divided into four categories: resistance furnace, induction furnace, arc furnace and special electric furnace according to the different ways of electric heating.
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.
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:Why does the burner of industrial furnace burn occasionally?
The flameout protection system is made up of burner controller, electromagnetic valve and flame detector, and the flame detection mode is mainly based on the two forms of ultraviolet detection and electrode detection. By utilizing the electric conductivity of the flame, the circuit path of the combustion process generates a weak current, and when the signal amplifier is amplified, the flame is induced to exist, and the small power burner adopts the detection mode more, and is economical and practical.
Q:How to use industrial furnace equipment?
If it is water cooling furnace door, but also to ensure the smooth flow of pipes, winter pipes are not frozen. When the boiler is in a limited position, the interlocking device for cutting off the power supply shall be provided when the furnace is in and out, and the number of broken wires in the pitch of the steel wire shall not exceed 10%, and the counterweight of the furnace door shall be reliably hung.
Q:What are the companies in the world that are currently engaged in metallurgical furnaces?
Basically, no industrial furnace manufacturer can do all types of stoves.Often associated with the industry is very large,so your ranking is basically meaningless.
Q:What are the combustion equipments used in industrial boilers?
Main auxiliary equipment for general boilers:1. domestic appliances 2. civilian gas boiler 3. industrial gas furnace.
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'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.

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