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Structure, characteristics and technical parameters of 2.4×7m-ball mill

2023-09-20 XinHai Views (558)

In industrial production, crushing and grinding are common processes used to process raw materials into powders for subsequent manufacturing steps. The 2.4×7 meters ball mill, as a prevalent grinding machine, plays a crucial role in these processes. This article will delve into the structure, characteristics, production capacity, and application areas of the 2.4×7 meters ball mill, providing you with insights into this versatile industrial tool.

Structure and Working Principle

The 2.4×7 meters ball mill is a large-scale industrial equipment with a complex structure but relatively simple basic principles. It consists of several main components:

Cylinder: The cylinder is the primary component of the ball mill and is typically made of steel plates. The dimensions 2.4×7 meters indicate a cylinder diameter of 2.4 meters and a length of 7 meters. The cylinder is filled with grinding media, usually steel balls.

Feeding and Discharging Device: The feeding device is used to transport raw materials into the ball mill, while the discharging device is responsible for removing the ground material. The design and operation of these devices are crucial for controlling the production efficiency of the ball mill.

Transmission Device: The transmission device includes an electric motor, gearbox, and gears, which drive the rotation of the cylinder. The performance of the transmission device affects the stability and efficiency of the ball mill.

Electric Motor: The electric motor provides the power source for the ball mill. The motor's power is typically chosen according to specific requirements.

Control System: Modern ball mills are equipped with advanced automation control systems that monitor and adjust operational parameters in real-time, enhancing production efficiency.

The working principle of the ball mill is straightforward. Raw materials are loaded into the cylinder along with the grinding media (steel balls). As the cylinder rotates, the grinding media continuously collide with and grind the raw materials, ultimately transforming them into powdered material. This process is a continuous cycle until the desired particle size is achieved.

Features and Advantages

The 2.4×7 meters ball mill boasts a range of features and advantages that make it widely used in industrial production:

Versatility: This ball mill specification is suitable for grinding and milling various materials, including ores, cement, and chemical raw materials. It can handle materials of different hardness and properties.

High Throughput: Due to its large size, the 2.4×7 meters ball mill typically offers high throughput, making it an ideal choice for large-scale industrial production.

Excellent Grinding Efficiency: Through proper design and operation, this ball mill achieves outstanding grinding efficiency, ensuring that the produced material meets the required fineness.

Automation Control: Advanced control systems monitor and adjust the ball mill's operational parameters, ensuring a stable production process and reducing operating costs.

Reliability and Durability: Designed to operate in harsh industrial environments, the structure and material selection of the ball mill ensure its reliability and durability.

technical parameters

Model: MQG2470

Production Capacity: 14-16t/h

Grinding Body Speed: 20.91r/min

Main Motor: JRQ1510-8 475kW 740r/min 6KV

Main Reducer: ZD80-Ⅱ i=5

Grinding Body Loading Capacity: 35.5t

Equipment Weight: 69t (excluding the weight of the motor, reducer, and grinding body)

The 2.4×7 meters ball mill is a versatile, high-throughput, and efficient industrial machine widely used in mining, cement, chemical, ceramic, and food industries. Its stability, durability, and automation control make it an indispensable part of industrial production processes.


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