A conveyor belt (or belt conveyor) consists of two or more pulleys, with a continuous loop of material - the conveyor belt - that rotates about them. One or both of the pulleys are powered, moving the belt and the material on the belt forward. The powered pulley is called the drive pulley while the un-powered pulley is called the idler. There are two main industrial classes of belt conveyors; those in general material handling such as those moving boxes along inside a factory and bulk material handling such as those used to transport industrial and agricultural materials, such as grain, coal, ores, etc. generally in outdoor locations. Generally companies providing general material handling type belt conveyors do not provide the conveyors for bulk material handling. In addition there are a number of commercial applications of belt conveyors such as those in grocery stores.
The belt consists of one or more layers of material they can be made out of rubber. Many belts in general material handling have two layers. An under layer of material to provide linear strength and shape called a carcass and an over layer called the cover. The carcass is often a cotton or plastic web or mesh. The cover is often various rubber or plastic compounds specified by use of the belt. Covers can be made from more exotic materials for unusual applications such as silicone for heat or gum rubber when traction is essential.
Material flowing over the belt may be weighed in transit using a belt-weigher. Belts with regularly spaced partitions, known as elevator belts, are used for transporting loose materials up steep inclines. Belt Conveyors are used in self-unloading bulk freighters and in live bottom trucks. Conveyor technology is also used in conveyor transport such as moving sidewalks or escalators, as well as on many manufacturing assembly lines. Stores often have conveyor belts at the check-out counter to move shopping items. Ski areas also use conveyor belts to transport skiers up the hill.
A wide variety of related conveying machines are available, different as regards principle of operation, means and direction of conveyance, including screw conveyors, vibrating conveyors, pneumatic conveyors, the moving floor system, which uses reciprocating slats to move cargo, and roller conveyor system, which uses a series of powered rollers to convey boxes or pallets.
There are a wide of application for Belt conveyors, in other words nothing plants could work without belt conveyors. The most application of conveyors are following:
1. Mining & Mineral processing plants, to handle ore and products
The mining industry in general has seen new growth driven largely by new demands from various parts of the world. For many years (KIMIA MACHINE) one of the MIN-TEC owners has been a supplier of products to various different mining projects handling iron ore, lead and zinc, limestone, granite, salt etc. Working closely with the different end-user industries and mines we have gained valuable knowledge during the years. It is this experience that we have used in developing and improving our products. Close co-operation with End-User ensures that we are able to specify the product most suitable for each application.
2. Power plants, to handle coke, coal and other solid fuels
Many power stations are located at ports. The transportation of coal and other products within a sea-marine environment requires carefully selected rollers and drives to ensure the application will enjoy years of maintenance free product performance. The protection and sealing systems of the KIMIA MACHINE’s rollers and pulleys have been manufactured based on RULMICA’s system with a long time working capabilities that meets and exceeds expectations.
3. Cement industries
Our rollers and pulleys have been used within the cement, concrete and batching plant industry for more than 10 years. We are partnering some of the largest cement producers of new plants and working with large end-users to ensure we are kept up to date with the requirements from the industry.
Code and Standards
The best standards have been used to design and manufacture belt conveyors, also we design belt conveyors with our individual soft ware based on DIN 22101 and CEMA 6. Our engineers are able to use CEMA6, DIN, ISO and other standards based on clients’ requirements.
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