52 Inch High-Performance Refiner for MDF/HDF Production Line
5~30 Tons Per Hour Fiber Making Refiner for MDF/HDF Production Line
Description
BM pressurized refiner adopts the patents and combined international advanced technology. The technical data and performance are close to the advanced level of world-famous similar products. The refiner has advanced structure, high automatic and easy operation, reliable and precision running, which can produce high quality fiber with lower moisture.
Pressurized refiner can be used for MDF/HDF production line with capacity range from 30,000 to 200,000cbm per year.
The pressurized refiner has following main innovation and key technology:
(1) Main shaft adopts the patents from national institutes;
(2) For vary productive capacity, the thrust bearing employs top brands;
(3) Use domestic mechanical seal and its cooling system;
(4) Use extrusion plug screw with high-efficiency de-water structure;
(5) Grinding plate employs optimized teeth shape;
(6) Compact machine structure, high running precision, easy to maintain;
(7) Reliable hydraulic and electric control inter-lock system;
(8) Heat expansion auto-compensation system is equipped with.
Assembly of refiner system
Main technical data
| SN | Item | Model | 42 | 42 | 44 | 45/48 | 50/54 | 54/58 |
| Cacacity(ton/h) | 5~7 | >7 | 10-11 | 13-18 | 20-26 | 26-30 |
| 1 | Feeding screw | Diameter(mm/inch) | Φ355/14 | Φ355/14 | Φ406/16 | Φ406/16 | Φ475/18 | Φ500/20 |
| 2 | Motor power(kW) | 250(DC) | 250(DC) | 315/355(DC) | 406(DC) | 450(DC) | 550(DC) |
| 3 | Size | Output diameter(mm) | Φ1050 | Φ1050 | Φ1175 | Φ1175 | Φ1370 | Φ1600 |
| 4 | Height(mm) | 7000 | 7000 | 9000 | 9000 | 9000 | 9000 |
| 6 | Motor power of conveying screw(kW) | 15 | 30(DC) | 30(DC) | 45(DC) | 75(DC) | 75(DC) |
| 7 | Size of conveying screw(inch) | / | 16 | 16 | 16 | 18 | 20 |
| 8 | Main motor power(kW) | 1600-2000 | 1600-2000 | 2240 | 3000-3550 | 4000-4500 | 4500-5600 |
| 9 | Diamteter of refiner segment(inch) | 42,44 | 42,44 | 44 | 45,48 | 50,52,54 | 54,58 |
| 10 | Seal of main shaft | Mechnical seal | Mechnical seal | Mechnical seal | Mechnical seal | Mechnical seal | Mechnical seal |
Key parts of refiner
With large compression ratio, wood chips are de-watered during conveying with the new feeding plug screw, which reduce the drying energy, meanwhile, the wood chips are crushed, which is good for grinding. Structure distinguishing feature: overlay and coat one layer of wear-resistance material, improve the plug screw service life. Inside the cone pipe, reinforced bar are inlayed, which can reduce maintenance cost. Speed-adjustable DC motor can provide large torque and good performance.
Large diameter stainless steel vertical digester vessel has lower height which has lower requirements for the civil construction. In desigh of MDF pressurized refiner whose capacity is more than 100,000.0 cbm per year, double screw feed system are used, which can supply the raw material continuously to improve the fiber quality.
- Water cooling system
- Lubrication system
- Hydraulic system
- Electrical control system
A fantanstic way to make wood chips to wood fiber.
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