Garbage Pre Crusher Machine Solid Waste Recycling Crushing Machine Metal Crushing Double Shaft Shredder

Garbage pre-crusher is an important equipment in the solid waste disposal production line. It is usually used as a coarse crushing equipment to initially crush large and irregularly shaped garbage into smaller blocks or flakes, providing suitable feed for subsequent sorting, fine crushing and other processes, and ensuring the smooth operation of subsequent equipment. The double-shaft shredder is a more common type, which crushes garbage by shearing and tearing the blades on two relatively rotating knife shafts. It has the advantages of strong crushing ability and large processing capacity, and can handle a variety of materials such as domestic garbage, industrial garbage, and construction waste.

Working principle of garbage pre-crusher:
Garbage pre-crusher generally works on the principles of shearing, squeezing, and tearing. Taking the common double-shaft garbage pre-crusher as an example, the blades on the two knife shafts are staggered, and the knife shafts are driven by a motor to rotate, so that shear force is generated between the blades, and the garbage is squeezed and torn at the same time, and the garbage is crushed into smaller particles.

Product models and parameters:

Providing one-stop Solution

In the solid waste disposal production line, garbage pre-crushers, fine crushers, sorters and RDF equipment work together.

 First, as the first process, the garbage pre-crusher uses the principles of shearing and extrusion to coarsely crush large and complex solid waste to 100-300mm, reducing the volume and preparing for subsequent processing. Then, the garbage fine crusher further processes the pre-crushed material and crushes it to a uniform particle size of 30-50mm through high-speed shearing.

Subsequently, the sorter uses magnetic separation, eddy current separation, wind separation and other technologies to separate recyclable materials such as metals and plastics, as well as combustible materials and inert substances based on the differences in the magnetism and density of the materials. Among them, the combustible material enters the RDF equipment, and after secondary crushing, drying, and extrusion molding, it is made into garbage-derived fuel to replace fossil energy and realize the resource utilization of solid waste. The entire process efficiently achieves solid waste reduction, harmlessness and resource utilization.

Waste crushing, sorting and recycling system:

The solid waste disposal system can be customized according to the actual materials.

The process flow of the solid waste disposal production line integrates garbage pre-crusher, fine crusher, sorter and RDF equipment, aiming to achieve the reduction, harmlessness and energy utilization of solid waste through the core logic of "crushing - sorting - resource utilization".
Key advantages of solid waste disposal process:
Full chain reduction: pre-crushing + fine crushing greatly reduces the volume of materials, sorting removes inert substances, and RDF molding further concentrates combustible components, and the overall volume reduction rate can reach more than 80%.
Increase in resource recovery rate: Through multi-stage crushing and precise sorting, the recovery rate of recyclables such as metals and plastics reaches more than 85%, and the RDF fuel conversion rate reaches 30%-40%.
Environmental protection: The sorting stage reduces the amount of landfill, and RDF can reduce SO₂ and NOx emissions by replacing coal. The crushing and drying stages are equipped with dust removal and deodorization devices to control dust and odor pollution.

FINAL PRODUCT