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LF Refining Furnace Equipment Featured Image — LF Refining Furnace Equipment

Product description

LF Refining Furnace
Setting up the LF process between the steelmaking system and the continuous casting is crucial to ensure that the quality and capacity of the steelmaking product is improved, and the efficiency and automation level of the LF is fully utilized through our refining technology.
LF ladle refining furnace, as the most widely used external refining device, carries the important responsibility of buttressing the results of pre-melting and refining them in depth, and at the same time regulates the temperature of molten steel accurately, playing an indispensable buffer role in the process. It has many advantages such as reasonable equipment structure, reliable operation and low cost, many kinds of refined steel, high quality, easy operation and so on.
It not only ensures the excellent quality of the steel refined, but also shows significant advantages in simplifying the operation process and improving the operational efficiency, further consolidating its core position in the modern steelmaking process chain.

Product information

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Product making

Our Technology

● Electrode rotary double station;

● Ladle rotary table double station technology;

● Online wire feeding technology;

● Automatic temperature measurement and sampling technology;

● Refining furnace plus scrap technology;

● Argon blowing automatic control technology;

● LF one-touch steelmaking technology;

Product Detail

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Product Tags

The LF has the following conditions and functions:

● The working conditions are reducing atmosphere and slightly positive pressure;
● The electrode adjustment mode is three-arm type three-phase electrodes adjusted separately;

● The thermodynamic condition is graphite electrode arc heating;

● The kinetic condition is argon blowing and stirring at the bottom of the ladle;

● Adding a certain amount of scrap crushed material into the ladle, arc heating to raise the temperature, temperature measurement and sampling, so that the temperature control is accurate, so that the pouring temperature can be optimized;
● Bottom-blowing argon gas stirring, so that the liquid steel temperature is uniform, the composition is uniform, and the molten steel is pure;

● Slag making, removing sulfur and inclusions from the molten steel;

● Adjustment of alloy composition, with alloy charging system, so that the composition control is accurate, the steel to achieve the final requirements of the chemical composition;

● Wire feeding process, using wire feeding machine to feed various kinds of wire directly into the molten steel, which can significantly improve the yield of alloy;

● Smoke exhaust and dust removal, equipped with smoke exhaust and dust removal system, can effectively control the smoke discharge, so that the smoke and dust emissions to meet the requirements of environmental protection;

● As an off-furnace refining equipment between primary refining and continuous casting machine, it plays a buffer regulating role in the production process of the whole workshop to ensure that the temperature and composition of qualified steel is provided to the continuous casting machine.

Equipment Features and Structure Type

1. Adopting the most advanced Siemens technology PLC electrode adjustment system at home and abroad, which makes the arc more stable and the power consumption lower;

2. The mobile dust cover has good sealing, the dust content in the whole operation platform space is not more than5mg/m3, reduce the noise pollution in this area, and provide a clean and quiet working environment for the site staff. Guarantee the physical and mental health of the operators;

3. Intelligent equipment, refining furnace has developed in the process of using the online automatic lengthening device, offline automatic lengthening device, automatic temperature measurement and sampling device, online wire feeding, electrode automatic adjustment system, to realize the refining furnace a key to steelmaking

4. The water-cooled furnace cover adopts patented products, and the upper part of the cover adopts plate-type open cover ring, which reduces the use of dust removal air volume and the investment cost of dust removal system.

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