
The quantitative screw feeder is a production and feeding control device that incorporates dynamic electronic weighing technology and PLC industrial automation control technology on the basis of a screw conveyor.
It is commonly used in production lines for powders and granular materials. In the powder-washed salt production line, the quantitative screw feeder is typically employed to precisely add raw materials or additives into mixing equipment or production equipment in specific proportions.
With its simple and compact structure, reliable operation, and enclosed working environment, the quantitative screw feeder is highly valued in the powder-washed salt production line.
The screw feeder can efficiently control the production line, ensuring balanced and stable production, and keeping the production equipment in a reasonable and normal working state, yielding excellent application results and playing a significant role in production.

1. Controlling Production Rhythm
- Installed at the beginning of the powder-washed salt production line, the screw feeder controls the production rhythm, ensuring uniform material feeding and maintaining balanced and stable production, thereby preventing overloading of the production line. This helps stabilize the production capacity of the powder-washed salt production line and keeps the production equipment in a reasonable working state.
2. Automated Raw Material Feeding
- In the powder-washed salt production line, the screw feeder can precisely transport salt ore raw materials into mixing equipment or production equipment according to preset proportions, ensuring the accuracy and stability of raw material feeding.
- By integrating with the production line's automated control system, the screw feeder can achieve automated operation, improving production efficiency, reducing labor costs and manual operation errors, and enhancing the precision and efficiency of powder-washed salt ingredient mixing.
3. Controlling Production Process
- The screw feeder can accurately control the amount of material input according to production process requirements, ensuring accurate formula proportions for each production batch, thereby guaranteeing the stability and consistency of product quality.
- When production processes or formulas are modified, the feeder system can be reconfigured with new formula parameters, and the equipment will execute according to the new settings.
4. Optimizing the Production Line's Working Environment
- The screw feeder uses sealed screw tubes to transport materials, preventing contact between the materials and the external environment, thus protecting material properties and avoiding deterioration caused by moisture absorption from the air.
- The sealed screw tubes effectively prevent leakage of powdery and granular materials with fluidity, avoiding contamination of the production line's working environment and improving the quality of the operating environment, while also protecting operators from health hazards caused by inhaling materials.
The application of quantitative screw feeders in the powder-washed salt production line enhances the precision, stability, and automation level of the production process, meeting the objectives of adjusting system production capacity and controlling production rhythm. It ensures balanced operation of the production equipment, extends equipment lifespan, improves product quality, reduces production costs, and optimizes the production environment.
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