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Double Roller Stone Crusher Concasseur Mobiles
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Product Description
Products Description
Double roller crusher:
For roller crusher, it is suitable for fine operation with feed size less than 80mm and finished product size of 50 m-20mm.Such as the use of pebbles, construction waste artificial sand;Mining fine iron ore, quartz stone;Ceramic industry broken raw materials.It is applicable to the coarse and intermediate crushing of brittle block materials in cement, chemical industry, electric power, mining, metallurgy, building materials, refractory materials, coal mines and other industries, with large incoming particle size and adjustable discharging particle size. It can crush materials with compressive strength ≤160MPa.
Each roll of the roller crusher is driven by a separate motor.A motor is also used to drive a stick with a fixed bearing through a belt drive. The other end of the roller shaft with a fixed bearing is equipped with a gear which drives a movable stick.Due to the change of material nature, the movable stick moves from left to right, so the gear tooth height must be increased to prevent the teeth from joining off.Therefore, the traditional roller crusher is a long tooth gear transmission, it can allow the operation of the two roller center distance without breaking the characteristics of the teeth.
The working surface of the roller depends on the requirements of use. The smooth surface, tooth surface or groove surface can be selected.If the crushing of hard, abrasive materials, can choose a smooth roller.Because the crushing action of the smooth roller on the material is mainly crushing and grinding, it is mainly suitable for medium and fine crushing of medium and hard materials.
In order to obtain products of different particle size, the size of discharge port must be adjustable.In order to prevent the crusher iron damage, and must be equipped with safety device, roller crusher movable roller type with the spring pressure support, in the normal working state, the spring force is enough to overcome the crushing force of the crushing material.Bearing frame and activity between different thickness of the gasket was laid, changing Numbers of gasket, can adjust the discharging mouth width between the two rollers to meet the requirements of different particle size, when you have not broken material into the crushing chamber, the spring is compressed, increase activity roller concession discharging mouth, after discharge, the material under the spring pressure, roll reduction activities.This is the mechanical discharge port adjustment and overload protection device (safety device).
Details Images
Working principle
Working principle of double roll crusher:
It is mainly composed of fixed and movable crushing roller, pressing and adjusting device and driving device.The working mechanism is two cylindrical rollers.A roller is supported by a fixed bearing and a roller is supported by a movable bearing.The electric motor drives the two rollers to rotate relative to each other.The material is crushed by the friction of the two rotating rollers, and the broken material is discharged from the two rollers by gravity.The spring is sufficient to balance the pressure between the two rollers.If there is a non-crushing falling into the two rollers, can push the bearing compression spring to create a large gap to make the non-crushing thing through, after the non-crushing thing through, the spring can make the gap between the two rollers to maintain the original size, continue to work.
Our Advantages
Smooth roller
High strength steel manufacturing, suitable for sand and stone production line, non-metal ore grinding line. Roller long life, can be widely used in all kinds of ore stone.
Tooth roller
High strength steel manufacturing, suitable for coal gangue and other light viscosity, humidity materials.
The characteristics of doouble roller crusher :
1. Equipped with a roller crusher in the mineral grinding production line, the grinding equipment can give full play to its production capacity, generally increasing the output by 30%-40% and reducing the total energy consumption by 20%-30%.
2. Compact structure, light weight, small size, for the same production capacity of large requirements of the grinding system, the equipment of the roller crusher can significantly save investment.
3. Simple structure, small space, convenient operation and maintenance.
4. It is equipped with dust proof plate, with good sealing performance, which can avoid the spatter of small materials after crushing, with less dust, low working noise and better working environment.
5. The weight of the abrasive roller is newly optimized, the equipment does not need to change the mill roller for life, while the old roller machine needs to be dismantled for overhaul and replaced after being used for one year.
6. The roller crusher is equipped with a replaceable wear-resistant lining plate. The wear-resistant lining plate is made of domestic advanced wear-resistant materials, which has the advantages of long service life, not easy to damage and convenient maintenance.The continuous service life can reach more than one year, if the wear is serious, remove the boot cover can be replaced.The maintenance quantity is small, the cost is low, this is any other type of domestic crusher is incomparable.
7. The roll crusher is equipped with safety protection device. When an unexpected metal iron piece enters the crushing chamber, the protection device will move and the iron piece leakage device will operate normally.
8. The gap of the abrasive body of the roll crusher can be adjusted arbitrarily between 1mm and 20mm. After the gap is adjusted according to the requirements of the crushing particle size, the crushing particle size can be controlled reliably, and all of them can be discharged under the crushing chamber with the ideal particle size.
9. Simple and reasonable structure, low operating cost, smooth operation, high efficiency and energy saving, high crushing efficiency, adjustable discharging particle size.
10. Roller crusher is the working principle of low speed and high pressure roller extrusion.The material from the upper part of the crusher falls vertically into the crushing chamber. Under the pressure of crushing caused by the strong pressure generated between the two rollers, most of the material has become powdery, and a large number of cracks have been generated in the interior of the remaining part of the granular material.In the course of further crushing, the grinding energy consumption can be greatly reduced and the output can be increased.Product Paramenters
Model | Rotor size (mm) | Feeding size(mm) | Output size(mm) | Capacity (t/h) | Motor power(kw) | Weight (kg) |
2PG400*250 | 400*250 | <=25 | 2-5 | 5-10 | 5.5*2 | 1500 |
2PG600*400 | 600*400 | <=40 | 2-10 | 10-20 | 15*2 | 4500 |
2PG750*500 | 750*500 | <=40 | 2-20 | 15-40 | 18.5*2 | 8900 |
2PG900*500 | 900*500 | <=40 | 3-40 | 20-50 | 22*2 | 14000 |
Certifications
ISO quality system certification
Double roller crusher CE certification
Motor CE certification
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- Gongyi Hengchang Metallurgical Building Material Equipments Plant
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