News

MRF Shredder

MRF (Material Recovery Facility) shredder is a kind of equipment used for material recycling and processing. It is mainly used to shred various solid waste or waste materials into smaller sizes for subsequent sorting, recycling and reuse. The following is a detailed introduction to MRF shredder:

Working principle of MRF shredder:

MRF shredder usually adopts a double-axis or four-axis shearing principle. The motor drives the knife shaft to rotate, and the mutual shearing, tearing and squeezing between the knives are used to tear the material into smaller blocks or strips. Its working process is as follows:

• Feeding: The material enters the crushing chamber of the shredder through the feed port.

• Shredding: The knife contacts the material during the rotation process and shreds the material through shearing and tearing.

• Discharging: The shredded material is discharged through the screen or the discharge port, and the discharge particle size can be adjusted as needed.

Main types of MRF shredders:

• Double-shaft shredder:

• Features: It adopts double-shaft independent drive, the cutters are arranged symmetrically, and the shredding efficiency is high. It is suitable for processing materials with high toughness and viscosity.

• Application: It is widely used for shredding of waste plastics, rubber, wood, metal, domestic garbage, etc.

• Four-shaft shredder:

• Features: The four-shaft design increases the number of cutters and shear points, and the shredding effect is more delicate, which is suitable for processing materials that are difficult to shred.

• Application: It is often used to process waste tires, car shells, large metal components, etc.

• Single-shaft shredder:

• Features: The structure is relatively simple, suitable for processing large solid materials, such as plastic containers, metal blocks, etc.

• Application: It is mainly used for the initial crushing of industrial waste, construction waste, etc.

Advantages of MRF shredder:

• Low speed, high torque: Shredders usually adopt low speed, high torque drive mode, which can effectively handle high hardness and large volume materials, while reducing equipment wear and energy consumption.

• Durable cutter: Cutters are usually made of high alloy steel or wear-resistant materials, with high strength, high wear resistance and good impact resistance, and long service life.

• High degree of automation: Equipped with advanced electrical control system, it can realize functions such as automatic feeding and automatic shutdown, easy operation and stable operation.

• Strong adaptability: The cutter spacing and shredding speed can be adjusted according to the characteristics of different materials, and the application range is wide.

• Environmental protection and energy saving: low noise design, equipped with dust collection device to reduce pollution to the environment.

Application field of MRF shredder:

MRF shredder is widely used in the following fields:

• Scrap metal recycling: used to shred scrap cars, scrap bicycles, scrap aluminum scraps and other metal materials, which is convenient for subsequent sorting and smelting.

• Plastic recycling: Shred waste plastic products into small particles for easy cleaning, melting and reprocessing.

• Wood processing: Used to process waste wood, wooden pallets, etc. The shredded wood chips can be used as biomass fuel or papermaking raw materials.

• Domestic waste treatment: Preliminary shredding of domestic waste for subsequent sorting and resource recycling.

• Industrial solid waste treatment: Treatment of solid waste generated during industrial production, such as waste rubber, waste leather, etc.

Factors to consider when selecting an MRF shredder:

• Material characteristics: Select the appropriate shredder type and tool material according to the type of material to be processed (such as metal, plastic, wood, etc.).

• Processing capacity: Select a shredder with appropriate production capacity according to production needs to ensure that the equipment can meet production requirements.

• Discharge particle size: According to subsequent process requirements, select the appropriate screen aperture or adjust the tool spacing to control the discharge particle size.

• Equipment quality: Select a well-known brand and reliable quality shredder to ensure the durability and stability of the equipment.

• After-sales service: Consider the manufacturer’s after-sales service capabilities, including equipment installation and commissioning, maintenance and technical support.

MRF shredders play an important role in the field of material recycling and resource reuse. Their high efficiency, environmental protection and energy saving make them an indispensable equipment in modern recycling and processing systems.