Front Stencil Mixing Extruder/Pre-screen Extruder
Pre-screen Extruder is a key piece of equipment in the brick and tile production line,
primarily used for raw material pre-processing and primary forming.
Positioned before the vacuum extruder, it is referred to as a
"pre-screen" device. This equipment screens and preliminarily
compresses the raw material through a mesh plate, preparing it for
subsequent vacuum extrusion molding.
Raw Material Pre-processing: Performs preliminary extrusion and homogenization of mixed raw
materials to improve uniformity.
Impurity Filtration: Filters out large impurities and unbroken hard lumps through the
mesh plate.
Enhanced Vacuum Extrusion Efficiency: Pre-compresses the material, reducing the workload on the vacuum
extruder.
Improved Product Quality: Ensures more uniform material, minimizing defects in finished
bricks.
Downstream Equipment Protection: Prevents large hard objects from entering the vacuum extruder and
causing damage.
Structural Features
Mesh Plate System: The core component, made of high-strength wear-resistant steel,
with adjustable apertures based on product requirements.
Extrusion Screw: Utilizes a variable-diameter and variable-pitch design to
gradually increase extrusion pressure.
Drive System: Equipped with a high-power motor and gear reducer to provide
stable torque output.
Casing Design: Heavy-duty and robust construction, lined with wear-resistant
materials to extend service life.
Technical Features
High Processing Capacity: Capable of 30-100 tons/hour (depending on model specifications)
Adjustable Pressure: Extrusion pressure controlled by regulating mesh aperture and
screw rotation speed
Wear-Resistant Design: Critical components made with special alloys or wear-resistant
coatings
Automated Control: Can integrate with full-line automation systems for intelligent
adjustment
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