Batch Powder Dosing Process

Shanghai Dahe Packaging Machinery Co., Ltd. is one of the leading manufacturers and suppliers of batch powder dosing process in China. With abundant experience, we warmly welcome you to buy durable batch powder dosing process for sale here from our factory. Quality products and reasonable price are available.

Batch powder dosing 

Gain-in-weight dosing: The dosing is driven by the equipment receiving the powder and which must be on load cells. Several feeders can be connected to the same hopper, but only one weighing can be performed at a time.

Loss-in-weight dosing:

The dosing is controlled by the equipment that is dosing the powder. Several hoppers on load cells can be connected to receiving equipment, and all ingredients can be dosed simultaneously.

These processes are discontinuous since the operations are performed one after the other. Such discontinuous process is called batch dosing. It should be noted that LIW feeders can also be operated in
continuous dosing to deliver a constant mass flow for a continuous downstream process, if they are equipped with a specific control system.

Different types of feeder units may be used depending on the product, the space available, the dosing tolerances and throughput. The most common equipment is screw conveyors, vibrating tubes or rotary valves, while some manufacturers propose vibrating valves as well. The equipment performing the weighing must be connected to the rest of the installation by flexible connections that do not transmit any forces that would falsify the weight reading. Simple, flexible connections can be used for large systems. For more sensitive systems, special designs (bellows) are preferable.

1  Powder Mixing 

2 Powder Conveyor 

The Inclined screw conveyor , the Horizontal screw conveyor ,Vacuum Feeder , Inclined screw conveyor

4 Weighing System

There is one Control system for the weighing system . First set the Target weight on the touch screen. the Vacuum or inclined screw conveyor transfer the powder to the weighing Hopper. after reach to the target weigth , the Powder Conveyor will stop automatically. at the same time, the weighing Hopper will discharge the powder automatically .

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