What are Types Of Belt Conveyor Pulley Surface Coating?

 Belt conveyor pulleys play an important role in belt conveyor, such as transmitting traction for belt conveyor; changing direction of the conveyor belt; increasing the friction etc. Pulley surface coating on one hand,it can protect the conveyor belt from debris hurt ,on the other hand it can increase the friction between the conveyor belt and pulley, ensure normal conveyor belt running direction. 
There are 3 types of surface coating which we commonly used: smooth surface coating, herringbone coating, diamond coating. Usually, Smooth surface coating is used for bend pulley which can increase the service life of pulley, reduce the friction between conveyor belt and pulley cylinder, then the pulley surface will not be corroded by material. Herringbone coating is commonly used for the transmission pulley, since the transmission pulley drives running of conveyor, strong friction will generate on the transmission pulley, so we adopt herringbone coating. Herringbone coating is suitable for the belt conveyor which conveys material in one way,while the diamond coating can be applied to the reversible belt conveyor, which can realize the unloading material bidirectionally.

Belt Conveyor Trippers Were on Their Way to Thailand

“All products meet clients’ specific requirements” is what we have promised.

Right before 5 days ago, we reached an agreement with our clients from Thailand, promising to deliver belt conveyor with tripper and circular vibrating screen what they had reserved. The belt conveyor with tripper refers to a particular equipment worked for wooden chip production line which will be settled at the top of warehouse to reach a maximum utilization rate of its space. 

Besides, their belt width are 1000mm and 650mm, length 25mm and 42mm.While circular vibrating screen is available for separating wooden chip with a size scale larger than 50mm, and stone size smaller than 4mm.

In addition, our clients are in need of metal detector, permanent magnet and drum separator as well. The permanent magnet settled at the feeding end is designed for isolating metals from material, while metal detector and drum separator are applied to eliminate the metal appeared in the production line.

What Causes the Failure of Belt Conveyor Components and the Solution

Basically, we cannot avoid the failing in work of belt conveyor. The following several points are common phenomenon of belt conveyor components failure analyzed by PK Machinery. We hope to bring you some assistance.

1. The belt fails in rotating;

The drive pulley belt slips and turns without moving forward after the starting of the belt conveyor motor. The belt failing in rotating is due to the insufficient belt tension, overlong of the belt, inappropriate adjustment of the tension equipment, too frequent start-up and the coal piled up at the end of the belt conveyor.

2. Belt is easy to break ;

This problem is mainly caused by the large belt joint, poor belt buckle quality, long time use of the belt and the unprofessional belt maintenance. In this case, we should tighten the tension equipment, change high quality belt in time and improve the maintenance level.

3. Abnormal sound from the reducer

One possible reason is that the abrasive wear of the bearing and gear causes a large gap between them. Or it is because the screw is too loose. In this case, we should replace the bearing, mend the gap and maintain or replace the reducer.

4. Temperature of the reducer rises too fast

It is due to the over mount of lubricant, poor heat dispersion, speed reducer burying in coal. The lubricant oil amount should be reduced and the coal should be removed to solve this problem.

5. Lubricant leakage of the reducer

The main reason includes the sealing ring is damaged, the reducer surface is not flat and the bolt is too loose. In this condition, we should change the sealing ring, tighten the connecting surface and the bearing cap bolts.

6. The roller failed in rotating

If the coal powder falls into the roller sealing ring, it will block the conveyor roller and cause strong stress, then the roller would not rotate and even bend. And thus bring damage to the roller bearing. If this happened, we should replace the roller, lower the height of discharging point and the landing point, or use impact roller at the landing point.

Key Factors to Avoid Belt Skid of Movable Belt Conveyor

Movable belt conveyor is a portable continuous conveying equipment, which has the advantage of convenient movement, high efficiency and easy operating. It can convey bulk material, and bagged material is also in its working range.The lift angle and height is allowed to adjust. Belt skid problems may sometimes be meet in the daily operation, PK machinery is an expert in solving this problem, here are two suggestions:

1. Adjust the belt tightness of the conveyor.

The tightness is a key factor to impact the operation of portable belt conveyor. You can tighten the belt through screw tensioning or hydraulic tensioning to solve the belt skid problem. It probably causes permanent deformation to the belt if the tension range is not enough, in this case, we need to cut a piece of belt off and then vulcanize the belt.

2. If large range of tightness is required while using nylon or EP belt, we can also vulcanize the belt to solve belt skip problem and thus reduce damage to the conveying belt.

We PK Machinery is the most professional manufacturer of  Vibrating screen, Bucket elevator, Screw conveyor, Scraper conveyor.Possessing the world’s most advanced technology, we are ready to meet any needs of customer with the goal of being the future global leader of mining machinery industry. Any questions of you will be highly appreciated, please contact us without hesitation.

How to Extend the Service Time of Belt Conveyor

One main factor of impacting the belt conveyor service time is the conveyor belt quality. Therefore high quality of conveyor belt is required in purchasing. Another main factor is that the sweeper is highly reliable to make sure no more material adhered to the return belt, in case they are next sent to the surface of the drive pulley and bend pulley, thus bring damage to the belt and shorten its service time:

Due to how to greatly expand the service time of the belt conveyor, Followings are some suggestions:

1. Avoid belt slipping on the drive conveyor pulley. Please find the reason and give prompt adjust if slipping appears.
2. Check the conveyor belt joints frequently. Damaged conveyor belt joints should be repaired or replaced in time.
3. Check the service condition of the belt conveyor roller regularly. Properlubricating grease should be added into the sealing machine in the maintenance, and also inflexible rotating rollers should be replaced immediately.
4. High quality of lubrication should be added into all rotating parts of belt conveyor periodically according to the requirement.
5. Ensure the good work condition of the cleaning device and replace damaged parts in time.
6. Regularly check the conveyor belt tensity. Prompt tension is needed if the belt is loose. Meanwhile please notice the belt position, timely adjust should be made when it’s off tracking.

http://pkbeltconveyor.com/how-to-extend-the-service-time-of-belt-conveyor/

Why will Belt Conveyor Pulley Wear?

Belt conveyor is a kind of common conveyor equipment, often used in a variety of material transportation with large throughput, stable performance. In the process of using, pulley may occur wearing, this phenomenon is caused by two reasons:
One reason is that the design gap between roller bracket and pulley is too small, at the same time, building foundation hole vertical distance is less than the pulley support distance.In the process of belt running, overlarge belt tension will result in the change of its traction.Return accretion has not been cleared up, which will form accumulation debris and occur rubber friction.For design factors,as the space between pulley stents and pulley is too small, and the base hole of the vertical distance is less than the pulley support distance, it is not easy to handle timely, which is the main cause of pulley rubber lining wear.
Work environment factor is the second reason leads to rubber lining equipment damage phenomenon.

Belt Conveyor Safety Operation Regulation

Belt conveyor is a kind of continuous conveying equipment. Can be widely used for quarry, coal, steel, chemical and other kinds of industries. Operating the belt conveyor safety, not only can make sure the safety of the operator, but also can longer the service life of the belt conveyor. PK machinery will introduce the safety operation regulation of the belt conveyor:

1. The belt conveyor should start without load and should not feed material until it operating regularly. Forbidden feed the material before starting.
2. Fixed belt conveyor should be installed on fixed foundation. Before the mobile belt conveyor operating officially, wheels should be holdback through triangular wedge or brake. To avoid move during operating, there should be an 1 meter channel between each machine if multi-set belt conveyor operating parallelly.
3. Before using the belt conveyor, we must check whether all the moving parts, belt buckles and bearing device is normal or not; whether the protective equipment is completely or not. Belt tensioning degree should be adjusted to the appropriate level before starting.
4. Forbidden stand on the conveyor belt.
5. If multiply sets belt conveyor connection with each other one by one, we should start the one in discharge end first, then start the other sets according to their order. You can feed the material once all of the equipment operating normally.