The half-wet material crusher is specialized equipment designed for pulverizing materials with high moisture and high fiber content. It utilizes high-speed rotating blades (or hammers) to break down materials, achieving fine particle sizes with high efficiency. Widely used in organic fertilizer production and processing, the equipment delivers exceptional crushing performance on high-moisture, biologically fermented materials such as chicken manure, sodium humate, municipal sludge, medicinal residues, and distillers' grains.
The half-wet material crusher primarily utilizes a design featuring two-stage rotors arranged in a series (upper and lower).
After entering the crushing chamber through the inlet, the material first encounters the upper rotor, where high-speed rotating hammers shatter it into fine particles. The material is then propelled into the lower rotor's crushing zone, where it undergoes further fine crushing by high-speed hammers. During this process, the particles are not only struck directly by the hammers but also collide and grind against each other at high speeds within the chamber, creating a composite crushing effect involving both "hammer-on-material" and "material-on-material" interactions.
Finally, the material is discharged directly from the outlet. The entire process is efficient and continuous, requiring no intermediate transfer.
The half-wet material crusher consists of three main sections: the frame assembly, the rotor crushing assembly, and the drive/transmission assembly.
The entire frame is constructed by welding high-quality carbon steel plates and channel steel. It undergoes rigorous manufacturing process certification to ensure stable support for the equipment during high-speed operation.
This is the core component of the equipment, featuring a dual-layer (upper and lower) blade or hammer design. The hammer heads are forged from high-alloy, wear-resistant materials; they are robust and durable, offering a service life far exceeding that of standard hammer heads. Additionally, the equipment utilizes bidirectional gap adjustment technology: worn hammers can be repositioned for continued use, eliminating the need for frequent replacements. It also offers high flexibility by allowing the gap between the hammer heads and the liner plates to be adjusted to control the output particle size.
This section employs a flexible belt drive system. An electric motor drives a pulley, which in turn rotates the main shaft at high speed via the belt. This transmission method ensures smooth operation and provides effective overload protection for the motor.
The primary issue when using traditional crushing equipment for wet materials is clogging; screens tend to become coated and blocked by the material, leading to poor discharge, motor overheating, or even motor burnout.
The semi-wet material crusher is designed without a bottom screen. After being crushed by the dual-stage rotors, the material is discharged directly through the outlet, completely eliminating the risk of clogging. It can effectively crush even high-moisture materials—such as those just retrieved from water. This design feature ensures exceptional adaptability to materials with high water content.
Organic fertilizer production: Crushing fermented livestock and poultry manure (e.g., chicken, pig, and sheep manure).
Bio-fermented composting: Crushing and processing municipal solid waste compost and sewage sludge compost.
Agricultural waste: Crushing fibrous materials such as crop stalks and peat.
Industrial organic waste: Processing materials such as pharmaceutical residues, spent mushroom substrate, distillers' grains, and sugar mill waste.
Humic acid and organic minerals: Crushing materials such as sodium humate and lignite.
Notably, the half-wet material crusher can also grind hard impurities——such as glass, ceramics, brick fragments, and gravel——mixed within the material, reducing them to particle sizes that meet safety requirements for application.
When selecting a half-wet material crusher, it is recommended to consider the following aspects comprehensively:
Material Characteristics: Understand the main composition, moisture content, and fiber content of the material to be crushed. This equipment is highly adaptable to materials with a moisture content ranging from 15% to 65%.
Production Capacity Requirements: Select the appropriate model based on daily processing volume.
Crushing Fineness Requirements: Clarify the fineness requirements for subsequent granulation or processing stages, as the output particle size is adjustable within a certain range.
Auxiliary Equipment: As half-wet material crushers are typically part of an organic fertilizer production line, consider the integration with upstream and downstream equipment (such as fermentation and granulation machinery).
With core advantages such as strong adaptability to high-moisture materials, a screenless anti-clogging design, and efficient dual-stage rotor crushing, the half-wet material crusher has become ideal equipment for organic fertilizer production and organic waste treatment. It not only resolves the industry challenge of crushing high-moisture organic matter but also streamlines production processes, lowers equipment investment, and reduces operating costs for bio-organic fertilizer and compost manufacturing.
| Model | BSFS-40 | BSFS-60 | BSFS-90 | BSFS-110 |
| Prod capacity(t/h) | 1~2 | 2~4 | 4~8 | 10~15 |
| Particle size | 0.5~5 | 0.5~5 | 0.5~5 | 0.5~5 |
| Power | 22 | 30 | 37 | 45 |
| Overall Dimensions L×W×H | 960×560×850 | 1632×1560×1180 | 2120×2040×1800 | 2160×2276×1880 |
