WZLH420 series biomass pellet mill can process kinds of biomass pellets; (such as: sawdust, wood logs, wood chips, waste wood, branches, straw, wheat stalk, rice husk and etc.) The main transmission part of this machine adopts high-precision gear rotation, the efficiency is increased by about 15% compared with the belt drive type.
Product Features
■ Enlarged thickened heavy-duty box, smooth running
■ The empty shaft and main shaft are all made of forgings with long service life; big gear and gear shaft gear grinding processed by high precision CNC withlow noise
■ The special designed safety pin protection system, the international advanced level compensation type serpentine spring coupling has the characteristics of novel structure, compactness, safety and low failure
■ The imported bearings and oil seals are used in the transmission part of the whole machine to ensure high efficiency, stability and low noise
■ The feeder, flow forming door cover and enforced feeder are made of Mirror brushed stainless steel for durability
■ Several innovative designs are adopt in the anti-arch feeder, enforced feeder and ring die, which could solve the problem with material arch, blockage, effectively improve the yield and stability
■ Automatic grease lubrication system, can achieve non-stop automatic refueling, easy to operate
■ Equipped with air-cooling and oil-cooling circulation system, ring die hoist device, safety protection device, to achieve a perfect combination of humanization and automation
| Model | 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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