China manufacturer Iron Ming Magnetite Beneficiation Gangue Rejection Permanent Magnetic Pulley supplier

Product Description

Iron Ming Magnetite Beneficiation Xihu (West Lake) Dis.e Rejection Permanent Magnetic Pulley

Working Principle
The head pulley magnet named as head pulley magnet or dry drum permanent magnetic separator also, is a self cleaning magnet which removes foreign tramp ferrous metals from bulk materials on a belt conveyor or separate the non-magnetic materials out of magnetic materials on a belt conveyor.  The magnetic field adheres magnetic materials to the belt as all materials passes over the head pulley. The magnetic materials from the underflow can be safely captured together.

Large magnetic envelope angle design, magnetic envelope angle less than 180 degrees, increase the length of the separation area and the number of magnetic inversion, achieve the effective separation of magnetic materials and non (weak) magnetic materials.
Neodymium-iron-boron magnets are used in all magnetic systems to ensure high magnetic field intensity and large depth of action.
The demagnetization rate of magnetic field intensity is less than 5% after 8 years.
The magnetic system is protected by stainless steel plate to ensure that the magnetic block does not fall off.
The shell of the pulley is made of stainless steel and lined with wear-resistant rubber outside, which has a long service life.
When it is used as the driving pulley of the belt conveyor, the length of the conveyor should be less than 100 meters.

It is used for dry pre-concentration of magnetite ores with size less than 300 mm before grinding. Usually it can reject some gangues to improve the iron grade before grinding.

Technical Parameters
Small and Medium Size

Model Drum Dia.
Drum Len.
Belt Width
B of Drum Surface
Feed Size
CTDG-50/50 500 600 500 160-350 50-80 <50
CTDG-50/65 500 750 650 160-350 60-110 <50
CTDG-63/65 630 750 650 160-400 70-120 <50
CTDG-50/80 500 950 800 160-400 70-150 <50
CTDG-63/80 630 950 800 180-500 100-160 <150
CTDG-80/80 800 950 800 180-500 120-200 <150
CTDG-63/100 630 1150 1000 180-500 130-180 <150
CTDG-80/100 800 1150 1000 180-500 150-260 <150
CTDG-100/100 1000 1150 1000 180-500 180-300 <250

Big Size

Model Drum Dia.
Drum Len.
Belt Width
B of Drum Surface
Feed Size
CTDG-63/120 630 1400 1200 180-500 150-240 <150
CTDG-80/120 800 1400 1200 180-500 180-350 <150
CTDG-100/120 1000 1400 1200 180-500 200-400 <250
CTDG-120/120 1200 1400 1200 180-500 220-450 <250
CTDG-80/140 800 1600 1400 180-500 240-400 <250
CTDG-100/140 1000 1600 1400 180-500 260-450 <250
CTDG-120/140 1200 1600 1400 180-500 280-500 <300
CTDG-140/140 1400 1600 1400 180-500 300-550 <300

1. What is the main business scope of your company?
HZE is a company with R&D center, design institute, manufacturing factories, installation and commissioning teams. Our customers are in the mining and mineral processing fields. Our major businesses include mineral processing EPC (engineering, procurement and construction), project consultation, engineering design, mineral processing equipment manufacturing, on-site installation, commissioning, staff training, customer project operation management, spare parts supply and technical support. Customers are free to choose any 1 or any combination of our services.

2. What are the outstanding advantages of your company?

The one-stop service of mineral processing engineering project and equipment is our core competitiveness.
The most important feature that CHINAMFG distinguishes itself from other engineering companies, design companies or consulting companies is that we are also an equipment manufacturer with a production plant of 50,000 square meters, and we have complete manufacturing rout and the related equipment.
HZE distinguishes itself from other equipment manufacturers by owning its own R&D center and engineering design institute.
HZE distinguishes itself from many mining machinery enterprises by possessing an expert team with members including not only senior engineers of the company, but also top Chinese technical experts, university professors and researchers.

3. What are the characteristics of your company’s 3D design?

HZE not only uses 3D software to design equipment, but also uses 3D software to design process flow, pipeline, steel structure, auxiliary facilities, etc. of the whole mineral processing project. We even use 3D design for equipment packaging, container packing and equipment instructions manual. This greatly improves the quality of equipment and engineering, shortens the construction period, facilitates technical discussion and evaluation, facilitates project management, improves construction safety and reduces project cost.

4.  What are the service features of your company?

  1. Customers who whether buy our equipment, or entrust us with EPC, or require us to provide a certain service, cooperate closely with us to carry out specific operations and supervise our implementation throughout the process.
  2. HZE will try to understand the basic situation and needs of customers as detailed as possible before the sale, formulate a preliminary plan according to the specific situation of customers, and get unanimous opinions after communications and discussions with customers to determine the plan.
  3. We set up customer files for every customer who signed the contract with us and upload them to the Cloud where customers can also get an account and password. Customers can have all the documents, videos and pictures, technology, services, execution, operation, management and control, maintenance and so on related to the business.
  4. Whether it is in the process of general contracting, equipment manufacturing or providing some kind of service, we welcome customers to know about our implementation on the spot or through the network, and put CHINAMFG requirements and opinions.
  5. We assist users who have used our products to formulate operation specifications and make suggestions on maintenance plans and spare parts inventories. In addition to routine on-site installation, commissioning and training, during the production period after we handing over equipment to customers for use, we often understand the equipment using situations through the network and provide guidance and training to customer management and operators.
  6. For the clients who have just start the mining business, we provide the opportunity of training and practice in China’s mines for the clients’ employees, until they are skilled in operation and maintenance.


Material: Neodymium-Iron-Boron
Feed Particle Size: <300mm
Capacity: 150-550t/H
Diameter: 500, 630, 800, 1000mm
Magnetic Induction Intensity: 160-500 Mt
Magnetic Pole: Permanent Magnet
US$ 3000/set
1 set(Min.Order)

Request Sample



Customized Request


How do pulleys function in various types of vehicles and machinery?

Pulleys play crucial roles in numerous types of vehicles and machinery, enabling the transmission of power, control of mechanical systems, and efficient operation. Here’s how pulleys function in various applications:

1. Automotive Engines: In vehicles, pulleys are commonly used in the engine’s accessory drive system. The crankshaft pulley, also known as the harmonic balancer, is connected to the engine’s crankshaft and drives various accessories such as the alternator, power steering pump, and air conditioning compressor. The pulleys enable the transfer of rotational power from the engine to these accessories, allowing them to perform their respective functions.

2. Belt-Driven Systems: Pulleys are extensively used in belt-driven systems across various machinery and equipment. These systems utilize belts, such as V-belts or timing belts, which wrap around pulleys to transfer power. Examples include conveyor systems, industrial machinery, agricultural equipment, and HVAC systems. The pulleys provide the necessary grip and tension to ensure efficient power transmission and drive system operation.

3. Cranes and Hoists: Pulleys are integral components of cranes and hoists, enabling the lifting and movement of heavy loads. Multiple pulleys, often arranged in a block and tackle configuration, are used to create mechanical advantage, reducing the effort required to lift the load. By distributing the load’s weight over multiple strands of rope or cable, pulleys allow for controlled lifting and precise positioning of objects.

4. Construction Equipment: Pulleys are found in various types of construction machinery. For example, in excavators and cranes, pulleys are used in the wire rope systems for lifting and lowering the boom, bucket, or other attachments. Pulleys help in managing the forces involved in these operations, providing smooth and controlled movement.

5. Elevators: Pulleys are essential components in elevator systems. Elevator cars are suspended by steel cables that run over pulleys. These pulleys are connected to an electric motor through a system of gears and sheaves. As the motor rotates the pulleys, the elevator car moves up or down. Pulleys in elevator systems help in efficiently transferring power and maintaining the stability and safety of vertical transportation.

6. Exercise Equipment: Pulleys are widely used in exercise machines and gym equipment to provide resistance and enable adjustable resistance levels. By incorporating pulley systems with different configurations and cable arrangements, exercise equipment can offer a variety of exercises targeting specific muscle groups.

7. Marine Applications: Pulleys are utilized in various marine applications, such as sailboats and winches. Pulleys help in controlling the movement and tension of ropes and cables, enabling sail adjustments, mast raising and lowering, and other rigging operations.

8. Garage Doors: Pulleys are employed in garage door mechanisms to facilitate the smooth opening and closing of the doors. They are used in conjunction with cables or belts, allowing for the transfer of force from the door opener to the door itself.

These examples demonstrate the versatility and importance of pulleys in a wide range of vehicles and machinery. By utilizing pulleys, these systems can achieve efficient power transmission, mechanical advantage, controlled movement, and improved functionality.


Can pulleys be used for both horizontal and vertical lifting?

Yes, pulleys can be used for both horizontal and vertical lifting. The versatility of pulley systems allows them to be utilized in various lifting applications, regardless of the direction of the load. Here’s how pulleys can be used for horizontal and vertical lifting:

1. Horizontal Lifting: In horizontal lifting scenarios, pulleys can be employed to change the direction of the force applied to the load. By using a combination of fixed and movable pulleys, the force can be redirected to pull the load horizontally. This is commonly seen in applications such as manual hoists or block and tackle systems used in construction, where heavy objects need to be moved horizontally across distances.

2. Vertical Lifting: Pulleys are widely used in vertical lifting applications, such as cranes, elevators, and lifting systems. In these setups, the pulleys are typically arranged in such a way that the load can be lifted vertically. By using multiple pulleys and ropes or cables, mechanical advantage can be achieved, making lifting heavier loads easier. The pulleys distribute the load’s weight across multiple lines, reducing the effort required to lift the load.

It’s worth noting that the number and arrangement of pulleys can vary depending on the specific lifting requirements. For example, a single fixed pulley can change the direction of the force but does not provide any mechanical advantage. On the other hand, systems with multiple pulleys, such as compound pulley systems or block and tackle setups, can provide significant mechanical advantage, making lifting heavier loads more manageable.

Whether it is horizontal or vertical lifting, the principles of pulley mechanics remain the same. Pulleys allow for force redirection, mechanical advantage, and load distribution, making lifting tasks more efficient and manageable. The specific configuration and setup of the pulley system will depend on the lifting requirements and the desired level of mechanical advantage.


How does a fixed pulley differ from a movable pulley?

A fixed pulley and a movable pulley are two distinct types of pulleys that differ in their design and functionality. Here’s a detailed explanation of their differences:

1. Design and Attachment: A fixed pulley is attached to a stationary structure, such as a ceiling or wall, using a mounting bracket or other means. It remains fixed in place and does not move during operation. In contrast, a movable pulley is attached to the load being moved and moves along with it. It is typically suspended by a rope or cable and can freely move up and down.

2. Mechanical Advantage: When it comes to mechanical advantage, a fixed pulley does not provide any advantage. It changes the direction of the force applied but does not reduce the effort required to lift the load. On the other hand, a movable pulley provides mechanical advantage by reducing the effort needed to lift the load. It distributes the load between the rope segments attached to the movable pulley and the fixed point, making it easier to lift heavy objects.

3. Force Distribution: In a fixed pulley, the force applied to one end of the rope or belt is redirected to change the direction of the force. The load is lifted by pulling the opposite end of the rope. In this case, the force required to lift the load is equal to the weight of the load itself. In a movable pulley, the load is attached to the movable pulley itself. The force required to lift the load is reduced because the weight of the load is distributed between the rope segments attached to the movable pulley and the fixed point.

4. Directional Change: Both fixed and movable pulleys are capable of changing the direction of the applied force. However, the primary function of a fixed pulley is to change the direction of force, while a movable pulley combines force direction change with mechanical advantage. The movable pulley allows the operator to exert force in a more convenient direction while requiring less effort to lift the load.

5. Applications: Fixed pulleys are commonly used in combination with other pulleys to create more complex systems, such as block and tackle arrangements. They are often used in scenarios where the primary objective is to change the direction of force. Movable pulleys, on the other hand, are frequently used in systems that require mechanical advantage or a reduction in the effort needed to lift heavy objects. They are often found in applications such as lifting systems, cranes, and elevators.

Overall, the key differences between a fixed pulley and a movable pulley lie in their design, mechanical advantage, force distribution, and applications. While a fixed pulley primarily changes the direction of force, a movable pulley combines force direction change with mechanical advantage, making it easier to lift heavy loads.

China manufacturer Iron Ming Magnetite Beneficiation Gangue Rejection Permanent Magnetic Pulley   supplier China manufacturer Iron Ming Magnetite Beneficiation Gangue Rejection Permanent Magnetic Pulley   supplier
editor by CX


pulley spacer

As one of leading pulley spacer manufacturers, suppliers and exporters of mechanical products, We offer pulley spacer and many other products.

Please contact us for details.

Mail:[email protected]

Manufacturer supplier exporter of pulley spacer

Recent Posts