MINGHUNG
In particleboard production, wet wood flakes typically have a high moisture content (50%-65%) and contain trace amounts of weakly acidic substances (such as tannins and organic acids). After prolonged use, traditional carbon steel drum dryers are prone to rust and corrosion on the inner wall, causing rust particles to mix into the wood flakes. This affects the physical properties and appearance of the final boards, and may even increase the risk of formaldehyde emissions exceeding standards. To address this industry challenge, Stainless Steel Lined Particleboard Dryer, where all surfaces in contact with the material are made of stainless steel, ensuring material purity and equipment durability from the source.
Stainless Steel Liner: The inner wall of the drum and all lifting flights are made of SUS304 or SUS316L stainless steel plates, rolled and welded. The smooth surface resists sticking, is easy to clean, and is resistant to acid/alkali corrosion.
Outer Shell: Made of high-quality carbon steel or insulated steel plate, with an intermediate layer of high-efficiency rock wool insulation to reduce heat loss.
Sealing Device: High-temperature resistant stainless steel sealing strips + graphite packing at the feed and discharge ends prevent cold air infiltration and dust leakage.
Drive System: Hardened gear reducer + variable frequency drive motor, driving riding rings and trunnions for smooth operation.
Dust Collection System: Cyclone separator + pulse-jet bag filter (stainless steel housing optional).
Wet wood flakes are fed into the rotating stainless steel lined drum via a conveyor. As the drum rotates, the stainless steel lifting flights repeatedly lift and shower the material, forming a uniform material curtain. High-temperature clean air (150°C–350°C) generated by the hot air furnace fully contacts the material curtain, rapidly evaporating moisture. Due to the low friction coefficient and corrosion resistance of stainless steel, wood flakes do not easily stick to the drum wall, ensuring uniform drying. The dried flakes exit with the airflow into the dust collection system for separation and collection, with exhaust gases meeting emission standards.
1. Absolutely Rust & Corrosion Proof
The stainless steel liner directly contacts wet wood flakes and never rusts. It can handle acidic or sugar-rich wood materials (eucalyptus, poplar, recycled construction formwork) without corrosion risk.
2. Ensures Board Purity
No rust or metal contaminants mix into the flakes, resulting in particleboard free from black spots and metal impurities. Ideal for producing white decorative panels, light-colored melamine boards, and high-end export boards.
3. Prevents Sticking & Ensures Long-term Stability
The smooth stainless steel surface prevents wet material from adhering to the drum wall and lifting flights. High drying efficiency is maintained even after prolonged operation, reducing cleaning downtime.
4. Meets Hygienic & Environmental Standards
Optional food-grade polishing meets requirements for wood-based food contact materials (e.g., wooden cutlery, wood cat litter) and strict environmental standards for European and American markets.
5. High Efficiency & Energy Saving
Insulated shell + optimized lifting flight design achieve thermal efficiency ≥85%. PLC-controlled discharge moisture content (3%-8% adjustable) saves fuel.
6. Long Service Life & Low Maintenance
The stainless steel liner resists wear and high-temperature oxidation. The designed service life exceeds 15 years, with much lower maintenance costs than carbon steel drums.
Wet wood flakes (fine flakes, coarse flakes, recycled flakes)
Wood chips, sawdust, wood shavings
Acidic or sugar-rich wood waste (bamboo chips, eucalyptus, rubberwood, etc.)
Non-wood biomass (palm fiber, coconut coir, etc.) – customization required
Parameter | Value |
Drum inner diameter | 2500 mm |
Drum length | 20000 mm |
Stainless steel liner thickness | 6 mm (SUS304) |
Processing capacity | 15-20 t/h (wet flakes, initial MC 60%) |
Inlet moisture content | 50% - 65% |
Outlet moisture content | 3% - 8% (adjustable) |
Hot air temperature | 180°C - 320°C |
Drum speed | 3-7 r/min (VFD adjustable) |
Main motor power | 90 kW |
Thermal efficiency | ≥ 85% |
Emission concentration | ≤ 30 mg/Nm³ |
Equipment material | Stainless steel liner, carbon steel insulated shell |
We are Shandong MINGHUNG Wood Based Panel Machinery Co.,Ltd China factory and manufacturer of full sets of Plywood machinery and Veneer machinery. With many years production experience, advanced production technology,experienced workers and professional engineers, we can offer you the suitable, good and strong machinery for you.
Our contacts:
Whatsapp: +8618769900191 +8615589105786 +8618954906501
Email: osbmdfmachinery@gmail.com
