China Good quality Iron Mining Beneficiation Equipment Dry Drum Permanent Magnetic Head Pulley pulley system

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Product Description

Iron Mining Beneficiation Equipment Dry Drum Permanent Magnetic Head 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 CZPT 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 CZPT 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
Magnetic Pole: Permanent Magnet
Magnetic Induction Intensity: 160-500 Mt
Feed Particle Size: <300mm
Diameter: 500, 630, 800, 1000mm
Capacity: 150-550t/H
US$ 3000/set
1 set(Min.Order)

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What makes pulleys so important?

A pulley is a simple tool that makes it easy to lift or move heavy objects. There are many uses for this tool, but let’s take a look at their mechanical advantages. There are several types and many applications, along with their benefits and costs. So what makes them so important? Read on to find out! Below are some of the most common uses for pulleys. Let’s dive into them.

Mechanical advantage

If you’ve ever used rope and pulley systems, you’ve probably noticed their usefulness. A 3:1 mechanical advantage system is like a 300-pound load being moved one foot up by three feet of rope. Then you can imagine using the same rope to get into a small space. The same principle applies to limited spaces, and a simple mechanical advantage system is just what you need for this purpose.
Assuming frictionless bearings, a single movable pulley can have two mechanical advantages. It is attached to a heavy object and requires the pulling force exerted by the jack to lift the heavy object. However, when you use a compound pulley, the force exerted on the rope to lift the object changes direction. The three factors used to measure machine efficiency are force, distance, and relative motion.
The mechanical advantage of the pulley is that it reduces the effort required to lift weights. When the rope is attached to the two wheels, applying a force of 500 Newtons can lift a mass of 100 kg. This mechanical advantage is why two rings in a pulley are better than one. Therefore, using a pulley system will save you energy. You can also use branches instead of ropes and pulleys.


There are several different types of pulleys. They can be simple or complex, depending on how they are connected. Simple pulleys have a grooved wheel on one end and are attached to an axle. These pulleys are used to lift heavy objects. They are often found on sailboats, and you can even see them on construction sites. On the other hand, stationary pulleys are attached to stationary structures, such as flagpoles. Fixed pulleys can also be used to lift loads from trucks or trains. Pulleys are also commonly used in wells.
Fixed pulley systems use rollers or single wheels. These pulleys are usually made of nylon or wire rope. They are used in heavy duty applications. They are also used in electric motors. A “V” pulley requires a “V” belt to transmit power. Some of these pulleys have multiple “V” grooves to reduce the risk of power slipping. Once installed, fixed pulleys are suitable for many applications.
Simple pulleys are simple pulleys. It has a pulley mounted on an axle and a rope at one end. Rope can be used to pull objects, while plastic pulleys can carry lighter loads. There are two main types: heavy duty and simple pulley systems. In either case, their function is the same: they change the direction in which the seat belt is fastened. So when comparing the two, it’s easy to decide which one is best for you.


Pulley systems are simple machines used for a variety of industrial and mechanical tasks. Its design parameters and benefits have improved over the years, but they remain essential for many applications. Let’s take a look at some of the most common applications of pulleys. The applications for pulley systems are endless, from construction to mining, from transportation to packaging. Read on to learn more!
Pulley systems are often used to lift large objects, such as blocks, that might otherwise be too heavy to lift. It also makes the exploration process easier by helping people pull heavy objects into place. It is also widely used on sailing ships. Due to its low cost of use and no need for lubrication, it is a practical choice for many applications. It can be used to lift heavy objects and support long ropes.
The pulley system allows you to change the force required to move the object. For example, a two-wheel pulley system is especially useful for reducing the effort required to lift large objects. The mechanical advantage increases with the number of wheels in the system. In addition, the mechanical advantage of a two-wheel pulley system depends on the ratio of the load weight to the number of rope segments in the system.


In most cases, an idler replacement will cost around $150, but the exact cost will depend on several factors, including the make and model of the car. The cost also depends on the type of idler you need and the cost of the OEM parts. Some pulleys are easy to replace at home, while others require specialized tools, such as pulley wrenches. The chart below shows the cost of popular vehicles. Prices are valid at the time of writing.
The diameter of the pulley is also important, this should be about 60% of the diameter of the active pulley. You can also purchase compensating pulleys at factory prices. Be sure to select the correct size before placing the pulley on the machine. Also, make sure you have enough space for the pulleys. Once you have the desired pulley size, you can determine the best type of belt to install.
While this method is the most common type of belt drive, there are other methods of spinning cup blanks directly from a flat metal disk. One such method is described in US Patent No. 5,500,31. US Patent No. 1,728,002 and shows a method of making a dynamically balanced V-groove pulley. Using a headstock die with sliders increases the cost of the pulley. In addition, different cup blanks require different molds.


The lubrication of pulley bearings is relatively simple. The pulley itself rotates smoothly with little vibration. Bearing contact loads are relatively low, and well-lubricated pulleys operate near ambient temperatures. Here are some tips for properly lubricating pulley bearings. Make sure to lubricate the nozzle before applying grease.
Check grease, elastic ring, pulley bearing clearance once a year. If the elastic ring of the pulley is damaged or the roller bearing on the associated pulley is damaged, replace the pulley. Also, check the running noise of the pulleys to see if they are making noise. Check the bearing, damage to the elastic ring may indicate bearing failure or roller failure.
Proper lubrication is critical to the life of the rotating pinion. Avoid exposure to sunlight or water. Protects the pinion meshing area from hard impurities. Liaise with crane operators and lubricators during maintenance and lubrication operations. They should know how to avoid pitfalls in the lubrication process. In case of malfunction, please contact service personnel and take necessary measures.

Compound Pulley System

A compound pulley system is used to lift heavy objects. These systems can use ropes or cords of different sizes. In general, the total weight of all ropes must be less than the weight of a single rope. The system can be used in large areas, but may not be suitable for smaller spaces. To learn more about compound pulleys, read on! Here are some helpful tips. 1. Understand the difference between single wheel and compound wheel
A composite pulley system consists of three components: a drive pulley, one or more driven pulleys, and two pulleys. The drive wheels are usually connected to shafts that are connected to the engine or transmission. The driven wheel is a separate unit mounted on the same shaft as the drive wheel. A compound pulley system helps lift heavy loads. These pulleys are the most common type of pulley system in use today.
Composite pulley systems are widely used on construction sites. They save energy by spreading the weight of heavy loads over multiple smaller loads. This means that the elevator does not have to use high-capacity lifting equipment. Additionally, the compound pulley system allows users to easily adjust power distribution to meet their individual needs. They can also use more than two ropes if necessary. This increases the range of motion of the lift arm.

China Good quality Iron Mining Beneficiation Equipment Dry Drum Permanent Magnetic Head Pulley   pulley system	China Good quality Iron Mining Beneficiation Equipment Dry Drum Permanent Magnetic Head Pulley   pulley system
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