LF 20T Ladle Refining Furnace

The high current system of the electric arc furnace uses pure copper as the conductive medium, and the resistance of the entire circuit is small. Taking full account of the skin effect when the current passes through the conductor, the cross arm adopts a box-type copper-steel composite plate structure, which can effectively reduce the resistance and heat generation. Reasonable high current system layout makes the impedance of each current smaller.

The LF ladle refining furnace can be used in the form of bridge frame, furnace cover independent frame; single arm, three arms. Ladle rotary table, furnace cover rotation, etc. The whole set of hydraulic drive is equipped with an accumulator, which plays the role of hydraulic system voltage stabilization, making the equipment run more stably. At the same time, in emergencies such as power outages, the unfinished field actions of the equipment can continue to be executed, which improves the safety of smelting.

The use of an anti-electrode breakage system can effectively reduce the probability of electrode breakage during the smelting process. Especially in the process of scrap steel melting, avoiding electrode breakage is equivalent to saving a whole furnace of molten steel and reducing economic losses.

The electrical automation control adopts a human-machine interface, which simulates the real furnace form and is easy to operate. Batching, loading, smelting, and steel tapping can all be operated on the computer.

It is an intermediate process equipment for refining the molten steel in the primary refining furnace to further improve the quality of the molten steel. It can refine bearing steel, alloy structural steel, tool steel, high-quality carbon structural steel, etc.

We are equipped with a variety of dust removal systems, which can be equipped with different forms of dust removal equipment according to the environmental protection requirements of different countries.

LF ladle refining furnace steelmaking process: preparation before refining → converter steel tapping and charging → crane lifting → sitting in the ladle car → connecting argon blowing pipe → ladle opening to refining station → lowering furnace cover → lowering electrode heating → temperature measurement and sampling → adding the first batch of deoxidizer and supplementing slag → alloy fine-tuning and adding the second batch of deoxidizer (slag white) → temperature measurement and power supply adjustment → refining control temperature → wire feeding → soft argon blowing → adding insulation → hanging ladle to continuous casting

Arc heating and heating under normal pressure, temperature measurement and sampling, and precise control of the final temperature to optimize the pouring temperature;

Synthetic slag refining, desulfurization, desulfurization Oxygen, degassing, and inclusion removal;

Bottom blowing argon gas stirring to make the molten steel temperature uniform, uniform and pure;

Fine-tuning of alloys to control the composition accurately, and the final required chemical composition can be efficiently achieved through ferroalloy elements or aluminum or wire feeding;

Equipped with a wire feeder, the molten steel is desulfurized and deoxidized, the morphology and distribution of inclusions are changed, and the alloy elements are accurately controlled. At the same time, it has high alloy recovery rate, small temperature drop of molten steel, and low environmental pollution;

As a buffer device between the primary refining furnace and the continuous casting machine, it ensures the matching production of the primary refining furnace and the continuous casting, and realizes multi-furnace continuous casting.

The LF-20t ladle refining furnace has the functions of heating and heating, fine-tuning of alloy composition, argon stirring, side temperature sampling, desulfurization, impurity removal, wire feeding, etc. It is used for fine-tuning of molten steel composition and heating, etc.