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BRILON - A waste disposal company has installed two new burner lines to generate energy from coal powder. Since the different types of coal powder could have very different properties, the operator requires a reliable control system to feed the burner tubes with a defined flow rate (kg/h).
The transmitter vessels had been mounted on 3 stainless steel “Clevermount” - assemblies (weighing range of each load cell = 500kg).
The Clevermount module is equipped with integrated height adjustment and requires no rods or stay bars.
A special electronic with a “loss in weight” software calculates the flow rate and provide a flow proportional 4 - 20mA output to the PLC system. This enables the PLC to regulate the rotary valve at the outlet of the vessel via a frequency converter.
If the level (weight) inside the vessel reaches an adjustable minimum level, the vessel is refilled to the maximum level. The filling rate must be 5 - 10 times higher than the outlet flow.
The required flow rate can be programmed via the keyboard of the loss in weight electronics or via the businterface.
© Hense Wägetechnik GmbH / BulkInside
This article is published by Hense Wägetechnik GmbH
Hense Wägetechnik is specialized on static and dynamic weighing for silos, vessels and tanks. We are able to provide economic solutions to retrofit existing silos with weighing equipment.
We also offer weighing solutions for nearly all kind of ...