Handling large volumes of agricultural and commercial organic waste requires rugged, dependable equipment that can take a beating. That is where our Vertical Screw Extruder For Pig Manure And Food Residue Dewatering comes into play. Designed and manufactured by MINGJIA ECO, this heavy-duty machine is built specifically for project contractors and engineering firms who need to integrate high-efficiency solid-liquid separation into large-scale waste management systems. Whether you are setting up a centralized biogas plant or upgrading a commercial farming infrastructure, this system offers the structural integrity needed to process abrasive, high-moisture slurry day in and day out.
Model
| Model | MJ-6400 | MJ-6400S | MJ-7800 | MJ-8000 |
| Power(kW) | 3.75 | 5.25 | 6.25 | 8.25 |
| Material | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel |
Workflow Diagram

The machine operates through a continuous, gravity-assisted mechanical squeezing process. Slurry is pumped directly into the top feeding chamber, where gravity drops the material into a precision-engineered vertical chamber. Inside, a heavy-duty screw auger rotates at a controlled speed, driving the pig manure or food residue downward. As the material descends, the space within the wedge-wire filter screen tightens. This creates immense mechanical pressure, forcing the liquid out through the screen mesh while the highly compacted solid matter is discharged from the bottom, achieving optimal moisture reduction in a single pass.
Machine Features
Heavy-Duty Structural Build: Constructed entirely from high-grade, corrosion-resistant stainless steel to withstand the highly acidic and corrosive nature of food waste and livestock manure.
Tungsten-Armored Auger Flights: The internal screw flights feature a thickened, tungsten-carbide coating that prevents premature wear from coarse fibers and abrasive grit.
Anti-Clogging Wedge-Wire Screen: Equipped with a self-cleaning, non-blinding filter cylinder that maintains consistent throughput without frequent manual washdowns.
Compact Vertical Footprint: The vertical alignment saves valuable floor space, making it incredibly easy to drop into existing processing lines or tight facility layouts.
Key Advantages
Engineering contractors choose MINGJIA ECO because we deliver more than just machinery-we deliver reliable project execution. With two decades of manufacturing experience and over 120 national patents, we design equipment that minimizes installation friction on-site. We align our manufacturing schedules with your strict project timelines, providing comprehensive technical drawings, clear installation support, and responsive after-sales service. Working with us means your project stays on schedule, under budget, and completely free of integration headaches.
Why choose us ?
At MINGJIA ECO, we back our equipment with twenty years of waste management experience and over 120 national patents. We understand that project managers need equipment that fits precise engineering timelines and matches site-specific layouts. By offering everything from initial project planning to robust manufacturing and long-term technical maintenance, we eliminate integration headaches and keep your operations running smoothly on schedule.
Product Details


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