|Project title||Practical characterization of the running behavior of driven and conventional bearing idlers for (bulk) conveying systems (EiLaT)|
|Project duration||01.10.2016 – 30.09.2018|
The objective of the research project is the development of a test rig for driven idlers. Driven idlers can significantly improve the energy efficiency of belt conveyor systems. They are equipped with their own engines; as a result, the power into the conveyor belt is distributed better, the belt pulling force decreases and the energy efficiency of the conveyor system increases.
To date, only test rigs for conventional idlers exist. The test rig developed in the research project is intended to characterize both the running behavior of conventional and driven idlers under the simulation of all relevant environmental influences. This is intended to increase the quality of the design of the entire conveyor system while reducing its energy requirements.
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Publications about the project
Energy requirements of belt conveyor systems are essentially determined by the necessary drive power, which is composed of the main drive and intermediate drives. The use of driven support rollers reduces the load on the conventional drive at the head of conveyor systems. Thus, the drive can be build smaller, which can lead to energy and cost savings. In contrast to conventional head drives, driven rollers enable the implementation of modular conveyor systems. The theoretical possibilities and consequences of driven rollers are promising. Due to a lack of knowledge regarding the economic efficiency and behavior under certain conditions, driven rollers have not yet been integrated into real operation. In order to investigate the behavior of driven rollers and to ensure the introduction into practice, test stands are indispensable. This paper presents the concept of driven rollers and, on this basis, the development of a test stand for investigating these rollers.
driven roller, test rig, belt conveyor, energy efficiency
An essential component of belt conveyor systems are the support idlers. Particularly in bulk material handling systems, which are used in demanding terrain with numerous gradients as well as under extreme environmental conditions in tropical and arctic regions, they are exposed to considerable stress. The steadily growing flow rates mean higher loads and speeds for the support idlers. This trend is countered by new drive concepts. For example, belt-driven conveyor systems with internally installed motors are used.
Within a research project, the IPH is developing a dual measuring system that can be used to test both conventional bearing rollers and driven bearing rollers.
driven idlers, test rig, efficiency of conveying systems