High-Efficiency Twin-Shaft Mixing Extruder for Brick Making – Durable & Reliable

• Customization: Available
• After-sales Service: Available
• Warranty: 1 Year
• Model NO.: SJJ350/ SJJ360/ SJJ420
• Certification: CE, ISO
• Customized: Customized
• Automatic Grade: Automatic
• Type: Vacuum Extruder
• Capacity: 15-20/ 25-35/ 35-50
• Mixing Shaft Center Distance: 350/ 360/ 420
• Weight: 5t/ 7.5t/ 12.5t
• Power: 37/45 75/90 132
• Specification: 4500*2100*900
• Trademark: BRICTEC
• Origin: China
• Production Capacity: 15-50 Cubic Meters Per Hour

Product Description

Twin-Shaft Mixing Extruder
A twin-shaft mixing extruder is an integrated processing equipment that combines mixing and pre-extrusion functions. It features two counter-rotating shafts with mixing blades that homogenize clay or raw materials while simultaneously compacting and pre-shaping the mixture through an extrusion section. This dual-function design significantly improves material uniformity and prepares the clay for subsequent vacuum extrusion in brick/tile production lines.
Main technical parameters:

Model	Capacity(m³/h)	Length of minxing chamber(mm)	Mixing shaft center distance(mm)	Auger diameter(mm)	Length of extrusion chamber(mm)	Dimension(mm)	Weight(t)	Power(kW)
SJJ350	15-20	1800	350	Φ400	600	4500*2100*900	5	37/45
SJJ360	25-30	1800	360	Φ500	600	4400*2600*1050	7.5	75/90
SJJ420	35-50	2300	420	Φ600	900	6300*2800*1150	12.5	132

Introduction to Twin-Shaft Mixing Extruder Equipment
The twin-shaft mixing extruder is a core raw material processing equipment in the brick, tile, ceramic, and building materials industries, integrating high-efficiency mixing and pre-extrusion molding functions. This equipment adopts a counter-rotating twin-shaft design equipped with wear-resistant alloy mixing blades, capable of powerfully crushing and homogenizing raw materials such as clay, shale, and coal gangue. Simultaneously, it achieves preliminary compaction and plasticization of materials through the extrusion section at the discharge end, significantly improving the forming efficiency of subsequent vacuum extruders.
Core Advantages:
Twin-Shaft Forced Mixing: Compared to single-shaft equipment, mixing uniformity is increased by over 40%, enabling dead-zone-free processing of high-viscosity materials.
Integrated Extrusion: Features an adjustable discharge outlet to output pre-compressed continuous material flow, reducing energy consumption of vacuum extruders.
Intelligent Adaptability: Supports variable frequency speed regulation (0-35 rpm adjustable) to meet process requirements of materials with different plasticity levels.
Industry 4.0 Compatibility: Equipped with pressure sensors and PLC interfaces for integration into automated production line control systems.
Typical Applications:
Suitable for raw material pre-processing in the production of fired bricks, hollow bricks, tiles, and other products. Particularly effective for processing recycled materials containing impurities or uneven moisture content (e.g., construction waste, river silt, etc.), with processing capacities ranging from 5 to 80 tons/hour (depending on model specifications).
Key Technical Terms:
Twin-Shaft Mixing Extruder
Pre-extrusion molding
Wear-resistant alloy
Adjustable discharge outlet
Variable frequency speed regulation