What’s the Developing Trend of Belt Conveyor?

Low-end products occupy a large proportion in belt conveyor industry, with the daily improvement of the technology, changes would be made in the future development of the belt conveyor manufacturer. The forthcoming belt conveyor system should contain the following 5 features:

1. High conveying capacity and speed;

This also means high productivity and low manufacture cost in unit time.

2. Long service time;

The abrasion between the conveyor belt and the roller is the main reason that restricts the service time of the belt conveyor. It needs further improvement in the future design.

3. Low cost of production;

Adopting non-roller support or non-contact support is the most efficient way to lower the belt conveyor cost.

4. Low power consumption ;

80% of the belt conveyor power is consumed in friction wastage. To reduce friction wastage, the most efficient way is adopting non-contact type belt conveyor.

5. More intelligent.

It would be closely associated with microcomputer and intelligent operation would be reached in the future.

For more information, please visit http://www.pkbeltconveyor.com.

Suggestions on Lubricating Points and System of Belt Conveyor

As we all know, regular maintenance and proper maintaining methods is essential in the daily operation of the belt conveyor.  Poor maneuverability would appear if the equipment has been used for long time, therefore we need to clean and lubricate the conveyor. Here our experts share some suggestions on the Lubricating points and methods with you.

  1.Lubricating Points

The lubricating points contains motor bearings, roller bearings, shaft sleeve bearings, bearing, gear reducer, the roller bearing and so on.

Roller is the most commonly used rotating parts of the belt conveyor, its quality and service life has a great influence on the belt conveyor running efficiency and reliability. The roller is equipped with bearing. Due to the gear reducer, its structure is relatively concentrated, with many parts needed lubrication, such as bearing pedestal, bearing gear and the meshing gear. In contrast, the structure of the roller bearing and motor bearings is relatively dispersed, especially the belt conveyor with long conveying distance. Each part is singly equipped with lubricating device.

2.Lubricating system

•  Manual lubrication system

The manual cleaning separator grease station should be installed in the center of the lubricating system. The distributer should be fixed in the device which needs lubrication, with its installing station convenient for observation and maintenance. Cold rolled seamless steel tube can be generally chosen as to the texture of the lubricating pipeline.

• Electric lubrication system

The electric lubrication is generally installed in the central part of the electric lubrication system, and usually need to set up special lubricating state with assurance of tidy and clean. The differential pressure switch is generally installed at the end of the main pipe line, behind the switch there should be installed a distributor. The piezometer however is commonly installed near the switch. The requirement for the texture is same as that of the Manual lubrication system.

Belt running deviation and skid processing method of belt conveyor

• Running deviation has many reasons, according to the different reasons , we need to different treatment:

1. Adjust the carrying idler group.
2. Install the self-aligning roller group.
3. Tension adjustment, tension adjustment is an important link of belt conveyor running deviation.
4. Adjust the driving drum and redirection roller position. And the adjustment of the redirection roller driving drum is an important part of the belt running deviation adjustment.
5. Two-way adjust deviation of belt conveyor.

• Belt skid treatment method:

1. Adjustable tension when the belt conveyor in skid trip to increase tension. Sometimes tensioning trip has not enough, however, belt in the permanent deformation , the belt can be cut part to and sulfide.
2. In the use of nylon belt or EP,tension travel is longer,  when tension trip has not enough, sulfide or increase tension to solve.
3. Heavy hammer tensioning belt conveyor belt skid can add weight to solve,  added until not skid. But should add not too much, avoid belt  bear too much unnecessary tension and reduce the service life of the belt.

Guide Rail Makes Tripper or Bucket Elevator Perform Better

Guide rail is made of metal or other material to become groove or ridge which is a device that can withstand, fix and guide mobile device or reduce their friction. Longitudinal groove or ridge on the surface of guide rail is used for guiding or fixing machine parts. Moreover, it is also known as sliding rail or linear guides, used in the occasion of linear reciprocating motion. It has a higher rated load and can assume certain torque. At the same time, high-precision linear motion can be achieved in the case of high load.
Guide rail provides a precise operation track for the conveyor tripper car. Matched with the belt conveyor, conveyor tripper car can achieve the aim of discharging materials at any points in the certain length of belt conveyor through moving back and forth on the guide rail.

In general, guide rail is installed in the head, tail and middle part of chain bucket elevator. Also, it is usually made of wear-resistant steel and its surface is quite smooth, so on the one hand it can lessen the friction between chain and guide rail and reduce components depreciation rates, on the other hand it can prevent the chain being off tracking, so as to achieve the purpose of conveying materials efficiently.
PK Machinery adopts the best quality guide rail which is manufactured by Ma'anshan Iron&Steel that is best rail manufacturer in China, and it is used for conveyor tripper car and bucket elevator.

How to Select Belt Conveyor Pulley?

You need to provide following parameters before you purchase belt conveyor pulley.
1.Diameter of pulley wall(not include rubber thickness):_________mm.
2.Length of pulley wall:___________mm.
3.Diameter of pulley Shaft:_________mm.
4.Length of pulley Shaft:___________mm.
5.Material of Pulley wall:______________.
6.Material of Pulley shaft:_____________.
7.Bearing brand:_____________.
8.Keyless Locking Devices brand:____________.
9.Surface treatment:______________(coating rubber/galvanized/other)
(1)If coating rubber,thickness of rubber:__________mm
(2)Rubber type:____________(herringbone/rhombus/other)
10.Pulley type:_________(ordinary pulley or motorized pulley)

If motorized pulley,please confirm following information:
(1)Motor installation type:______________(exterior installation or interior installation)
(2)Motor Power:_________Kw.
(3)Motor Voltage:3 phase ______V______Hz.

Besides,in order to ensure conveyor pulley to meet your needs,please confirm the conveyor information:
1.Handling Capacity:________t/h.
2.Belt speed:__________m/s.
3.Driven device Power:_____________kw.
It’s better that if you can provide pulley drawings! 

How to identify whether there is roller bearing fault or not?

As is known to all, roller is the main part of belt conveyor, while bearing is the precision part of roller, but in the process of using, bearing is the most prone to fail, then how to troubleshoot the problem? It is important to improve the productivity and economy if it can be identified and predicted by the not removal of the bearing in the operation. 

First of all, we can judge whether there is failure by sound, but this requires operators with rich experience and rigorous training to identify there is bearing noise;
Then, it can be judged according to the equipment temperature . There are some limitations of this method, we need to record temperature changes to determine whether the bearing fault or not only in the operating state;
Finally, when lubricate the bearing, we can also judge bearing whether there is fault or hidden trouble from dirty lubricant, if it is mixed with foreign matter ,other metal powder or dust, the bearing is bound to a fail.   

Failure Analysis of Belt Conveyor Components

In the process of operation, failure of belt conveyor is inevitable, here PK Machinery will analyze the cause of belt conveyor failure.
1.Belt doesn’t rotate
After start-up of the belt conveyor motor, the belt of drive pulley idles and slips, belt can’t rotate, this failure is caused by insufficient belt tension, improper adjustment of tension device, overlong length, overloading start-up, coal piled in the tail part of belt conveyor.
2. Belt is easy to break
It is due to the large belt tension loose joint, poor quality of belt buckle, belt using for a long time, poor maintenance of belt, the solution is to tighten tension device, lower the tension ,change the new belt in time and strengthen the maintenance quality.
3. Reducer occurs abnormal sound.
The reason is due to the larger gap caused by serious wear of bearing and gear or screw is too loose, the solution is to replace the bearing, adjust the gap and repair or replace the whole reducer.
4.Reducer heats up too fast.
The reason is because of too much oil, poor heat dissipation performance, speed reducer is buried in coal pile, the solution is to adjust oil amount and remove the coal.

5.Reducer oil leakage.
The reason is due to the damage of sealing ring, the connecting surface of reducer is not uneven, the bolt is too loose, the solution is to replace the sealing ring, tighten the connecting surface and the bearing cap bolts.

 

6.Roller doesn’t rotate.
It is because of the damage of roller bearing, when coal powder enters into the roller sealing ring on both sides, it will be blocked and not rotate which makes the roller bend due to the large stress. The solution is replacement roller, reduce the height of discharging point and the landing point, or use the shock-proof roller at the landing point.

Shuttle Conveyor Introduction

Shuttle conveyor is designed for conveying material moves along a transport direction on the steel track which is usually installed on the top of the storehouse.Reversible conveyor mainly used to discharge material constantly in multi-point when the discharging points could move.
► Advantages

    1.Multiple discharge point

    2.Discharge continuously in long distance

    3.Two way running and discharging

    4.Compact structure with low height

    5.Convenient installation and maintenance

shuttle conveyor

► Application
Large capacity shuttle conveyor is mainly used for disperse and store the material, especially the materials need to discharge averagely in order to take full advantage of the space and then store more material. So it could be used in agriculture, power plant, raw material stocking, metallurgy industry, etc.

PK Mining Machinery Company

Henan Pingyuan Mining Machinery Co., Ltd is the most professional manufacturer of Belt conveyor, and Vibrating screen, Bucket elevator, Screw conveyor, Scraper conveyor using the world's most advanced technology, we are willing to serve every company to meet your custom needs. our goal is "be the future global leader of mining machinery industry". have any questions, please contact us without any hesitation. 

Tel: +86 373 579 9198 

Fax: +86 373 507 1699  

Email: info@pkmachinery.com  

Address: 289 Yellow River Road, Xinxiang City, Henan Province, China