Water-Drop Hammer Mill Wood & Biomass Crusher_National Credence Environmental Group (Shanghai)

Water-Drop Hammer Mill Wood & Biomass Crusher

Wide Range of Applications

High Processing Capacity

Stable Performance

After-Sales Support

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Product Introduction

Product Overview & Key Value Proposition

The Water-Drop Hammer Mill (also known as a Teardrop Wood Crusher) is engineered for high-capacity fine grinding of wood chips, tree branches, agricultural waste, and biomass materials. Featuring a specialized teardrop-shaped crushing chamber, this machine breaks the material circulation layer, significantly increasing impact frequency and discharging speed.

Equipped with wear-resistant alloy hammers, dynamic-balanced rotors, and a quick-change screen clamping system, it is an indispensable primary crushing unit for biomass pellet plants, animal feed manufacturing, and wood flour processing lines.

Core Engineering Features

Teardrop Crushing Chamber Design

: Eliminates the material circulation vortex common in traditional round hammer mills, allowing particles to strike hammers and screens at optimal angles for 15%–30% higher output
Quick-Change Curved Sieve Clamping

: Features a heavy-duty mechanical screen latch system enabling fast mesh replacement (1.5mm – 8mm) and minimizing maintenance downtime.
Dynamic Balanced Precision Rotor

: Rotors undergo high-precision double-plane dynamic balance testing to ensure vibration-free, low-noise operation at high RPM under continuous heavy load.
Pneumatic Conveying & Dust Extraction
: Integrated top force feeder and air cyclone suction discharge system prevent screen blinding while maintaining a clean, dust-free workshop environment.

Technical Specifications Table

Technical Parameters of Water-Drop Hammer Mill Series
Model	Main Motor Power	Capacity (Wood / Straw)	Rotor Speed (RPM)	Screen Mesh Size	Output Size
*SFSP-5636**	22 – 37 kW	1.5 – 3.0 t/h	2980 RPM	1.5 – 6.0 mm	≤ 3 – 5 mm
*SFSP-6660**	45 – 55 kW	3.0 – 5.0 t/h	2980 RPM	2.0 – 8.0 mm	≤ 3 – 5 mm
*SFSP-6680**	75 – 90 kW	5.0 – 8.0 t/h	2980 RPM	2.0 – 8.0 mm	≤ 3 – 5 mm
*SFSP-13275**	110 – 160 kW	8.0 – 15.0 t/h	1480 / 2980 RPM	2.0 – 10.0 mm	≤ 3 – 5 mm

Raw Material Processing Capability

Forestry Waste: Wood chips, bark, small tree branches, timber offcuts, wood shavings.
Agro-Biomass: Corn stalks, wheat straw, rice husks, peanut shells, coconut fiber, palm fruit bunches.
Industrial Recycling: MDF boards, waste pallets, cardboard, bio-charcoal briquette material.

FAQ

What makes a Water-Drop Hammer Mill superior to a standard hammer mill?

The teardrop shape creates an irregular collision zone that breaks the air-material rotating layer. Materials hit the screen plate directly instead of sliding around it, reducing screen wear, lowering power consumption per ton, and accelerating discharge speed by up to 30%.

How often do the hammers and screens need replacement?

Hammers are hardfaced with tungsten carbide alloy, typically lasting 500–800 operating hours depending on material hardness and silica content. Sieve screens last 300–600 hours and can be replaced in under 5 minutes thanks to the quick-latch mechanism.

Can this machine process high-moisture raw materials?

For optimal grinding efficiency and to prevent screen clogging, input moisture content should ideally be under 15%–20%. For high-moisture biomass, a drying stage (such as a rotary dryer or airflow dryer) is recommended prior to fine grinding.

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