Description
PURPOSE:
Automatic hopper scales SWEDA WBA-70-P-30 are used for portion weighing and total accounting of the mass of bulk products (seeds, feed, grain, cereals, sugar, husks, granulated products, etc.) in a stream.
Hopper scales are intended for weighing bulk materials and products by dividing them into separate discrete loads (portions), sequentially determining the mass of each discrete load, and summing up the weighing results. Each of the discrete loads (portions) then enters the total mass.
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CONSTRUCTION AND PRINCIPLE OF OPERATION:
Hopper scales include the following components:
- a material feed device, consisting of a plate with a manual gate to shut off the material flow, a material supply path with a throat, a sector gate for material loading with a pneumatic cylinder;
- load receptor (weighing hopper) with a load cell and a sector unloading gate;
- weight processor PW-310 or weight processor PW-310i;
- set of pneumatic equipment;
- frame with covers (optional).
The scales operation algorithm consists in periodic cycles of opening and closing the material loading and unloading gates, measuring the mass of material that has passed through the weighing hopper (portions) and accumulating their values. The frequency of operation of the gates is determined by the given material flow rate.
The execution of the algorithm and control of all actuators of the hopper scales are provided by the weight processor PW-310 or weight processor PW-310i. The processor also monitors the state of all units of the scales, displays the results of their work, communicates with the upper-level of the control system of technological process and the automated controlling system.
Our specialists will provide supervision of installation, adjustment, commissioning, warranty and subsequent maintenance of hopper scales.
