WZLH series pellet mill (capacity 1-30 tph) can process all kinds of biomass pellets; (such as: sawdust, wood logs, wood chips, waste wood, branches, straw, wheat stalk, rice husk, cotton stalk, sunflower stalk, olive slag, grassy, bamboo, bagasse, paper, peanut shell, corn cob, soybean rod, weed granulation, etc.)
Features
■ The main drive adopts high-precision gear rotation, the efficiency is increased by about 15% compared with the belt drive type, and the ring die adopts the quick release hoop type;
■ The high-quality imported bearings and oil seals are used in the transmission part of the whole machine to ensure high efficiency, stability and low noise.
■ The international advanced level compensation type serpentine spring coupling has the characteristics of novel structure, compactness, safety and low failure.
■ Strengthen the working strength of the main working parts from the materials, heat treatment and other processes to achieve the granulation requirements of biomass particles;
■ There are a number of innovative designs on the ring die, which mainly improve the problems of ring mold anti-cracking, increased production output, and increased total output;
■ Add non-stop refueling system, add air-cooling system, high efficiency, low energy consumption, stable operation, stable and reliable granulation quality;
■ Configure overload protection device to improve equipment life;
■ The door cover is made of stainless steel for durability.
| Model Parameter | WZLH420 | WZLH508-L | WZLH680 |
| Ring die inner diameter (mm) | 420 | 500 | 688 |
| Ring die working width(mm) | 90 | 100 | 110 |
| Ring die linear speed (m/s) | 3.16 | 3.78 | 3.54 |
| Number of clamp | 3 pcs | 3 pcs | 8 pcs |
| Number of roller | 2 pcs | 2 pcs | 2 pcs |
| Number of cutter | 1 pcs | 1 pcs | 1 pcs |
| Motor power | 90+2.2+0.75 | 90+2.2+1.5 | 185+3.0+1.5 |
| Motor rotation speed | 750 | 750 | 595 |
| Ring die hole diameter(mm) | 6/8/10 | 6/8/10 | 6/8/10 |
Ring die materials：4Cr13
Stainless steel feeder：With broken arch function
Door cover of granulating chamber：-6/SUS304
Forced feeding: worm gearing reducer
Gearbox Casing：HT250
Wheel gear：42CrMo
Gear shaft：20CrMnMo
Main shaft：40Cr
Hollow shaft：forge piece 45#
Bearing：gear shaft, main shaft bearing is NSK, roller bearing is domestic high quality bearings
Oil seal：Germany/Taiwan
Overload mechanical protection：safety pin
Serpentine spring coupling drive
Lubrication system： Automatic oil filling system is available
Morot: Siemens (China) motor or Wannan motor
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