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Continuous Casting Machine

Continuous Casting Machine

The production process of continuously casting high-temperature molten steel into ingots with certain cross-sectional shapes and dimensions is called continuous steel casting. The equipment required to complete this process is called CCM. The electromechanical and hydraulic integration of steel casting equipment, continuous casting machine main body, shear, and billet rod guidance, and conveying equipment constitutes the core equipment of continuous casting machine which is usually called CCM.
 

What is Continuous Casting Machine?

CCM is a manufacturing process in which metal is melted into molten status liquid, and then the liquid metal is poured into a set of condensing equipment. When the metal is partially condensed, a casting of a certain length and shape is pulled out from another section of the condensing equipment. This is a mainstream steel forming method. The equipment used in this manufacturing process is called CCM. Continuous casting machines are widely used, especially in the field of metal rolling. It is an important industrial equipment that plays a significant role in improving production efficiency, reducing production costs and improving product quality.
 
 

Introduction to Continuous Casting Machine

According to the structural shape, it can be divided into: vertical continuous casting machine, vertical bending continuous casting machine, arc continuous casting machine, elliptical continuous casting machine, horizontal continuous casting machine, wheel continuous casting machine. According to the section of the casting billet, it can be divided into: square billet continuous casting machine, slab continuous casting machine, round billet continuous casting machine, special-shaped billet continuous casting machine. According to the drawing speed, it can be divided into: high drawing speed continuous casting machine and low drawing speed continuous casting machine.

Slurry feeding:
At the head of the continuous casting machine, the molten metal is sprayed into the prepared mold through a specially designed slurry spraying device. At the same time, by combining different elements with slurry feeding, the ingots with different properties can be pre-adjusted.

Billet discharge:
The cast billet is discharged smoothly by the discharge device, and the speed and position of the billet outflow are controlled by the nozzle sealing system to ensure the quality of the billet and no waste. This process needs to be optimized by controlling parameters such as nozzle sealing and discharge speed to keep the billet in a certain shape and quality, while improving production and safety.

Crystallizer:
The billet will gradually solidify during the cooling process in the crystallizer. The crystallizer must evenly transition the billet from a high temperature state to this solid state before the billet solidifies, thereby ensuring the length and reducing the billet thickness.

Stretching:
Stretching is achieved through the synchronous cooperation of the wheel set and the stretching machine. During the stretching process, the billet is gradually elongated and gradually reaches the appropriate length and diameter after cooling in water. The purpose of stretching is to make the shape and structure of the billet reach a more ideal state for subsequent processing and use.

Cooling:
Cooling is a very important process to ensure the quality of the billet. By controlling the cooling rate of the billet, the performance and shape of the billet can be effectively maintained. During the cooling process, the continuous casting machine will automatically adjust the cooling water flow to ensure that the billet will not be overcooled and cracks will occur.
 
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  • High Quality

    In the links of liquid level control, online width adjustment, non-sinusoidal vibration, secondary cooling water control, online light pressure, etc., all digital control is realized, which improves the accuracy and stability of equipment operation.

  • Customized Design

    Customized design according to the actual needs of customers.

  • Good Performance

    The billet shell is cooled evenly and is not affected by the bending and straightening. The cooling, solidification and drawing process of the molten steel can be completed in a relatively short time, which greatly improves the production efficiency.

Product Features

The cooling and drawing speed can be controlled during the solidification of the molten steel to achieve better product quality. At the same time, online detection, control and adjustment can be carried out to reduce the defective rate and improve the reliability and durability of the product.

Working Principle

The molten metal is poured from the furnace into the casting pool of the continuous casting machine. Then, the molten metal is injected into the mold through the gate in the casting pool. In the mold, the molten metal will gradually cool and solidify to form a continuous billet. During the cooling and solidification process, a water cooler is needed to control the temperature of the billet to ensure that the billet is cooled evenly and stably. At the same time, a pulling mechanism is needed to pull the billet so that it can be smoothly separated from the mold to form a complete continuous billet. After the billet is cooled and solidified, it is necessary to remove the scale and molten iron residue on the surface of the billet. Next, the billet will be cut by a cutting machine to form a casting billet that meets the requirements.

Specification

Type         

Billet size

Productivity

Flow

Cutting way
R2.25 60*60 3T/hour 1 Flame cutting
R3 60*80 8T/hour 1 Flame cutting
R3.5 80*80 10T/hour 2-3 Flame cutting
R4 90*90 20T/hour multi-flows Hydraulic
R5.25 100*100 30T/hour multi-flows Hydraulic

*The output will vary according to different materials, feed particle size and other factors