High-Duty Belt Filter Dewatering for Paper Mill Wastewater
Product Description
| Filter belt width (mm)：1500 | Capacity (m3/hr)：15~30 |
| D.S. Dried Sludge （kg/h)：240~350 | Press section filter belt speed (m/min)：1.0~6.5 |
| Thicken section filter belt speed (m/min)：4~21 | Belt driving motor power(Kw)：1.1 |
| Filter belt thickener motor power(Kw)：0.75 | Mixer tank blender motor power(Kw): 0.75 |
| Motor protection grade: IP55 | Motor insulation level: F |
| Power: 380V，50HZ，3 phrase | Flushing pressure (MPa)/quality (m3/hr)：0.5Mpa/≤15m3/h |
| Weight (kg)：4200 | Feed moisture content (%): 98~99.5 |
| Sludge cake moisture content (%): 75~85 | Sludge cake moisture content (%): 75~85 |
| DNYF1.0 | DNYF1.5 | DNYF2.0 | DNYF2.5 | Remark | ||
| Belt Width(mm) | 1000 | 1500 | 2000 | 2500 | ||
| Capacity(m³/h) Inlet concentration(S.S.0.8～1.5%) | 10-20 | 15-30 | 25-40 | 35-50 | Based on the kinds of sludge | |
| Dried sludge(kgds/h) | 90-240 | 240-350 | 320-400 | 400-530 | Based on the kinds of sludge | |
| Mud Cake Water Content's Rate(%) | 70-85 | 70-85 | 70-85 | 70-85 | Based on the kinds of sludge | |
| Power Consumption (kw) | Driving Motor (Frequency control) | 1.1 | 1.1 | 1.5 | 1.5 | |
| Disposal Agitaor Motor | 0.75 | 0.75 | 1.1 | 1.5 | ||
| Thickener | 0.75 | 0.75 | 1.1 | 1.1 | ||
| Lower Collecting Tray For Pressed Filtrate | NO | NO | NO | NO | ||
| External Dimensions (mm) | L | 3850 | 3850 | 4500 | 4500 | Please ask for the actual installation size picture before perchasing |
| W | 1580 | 2080 | 2580 | 3080 | ||
| H | 2090 | 2090 | 2590 | 2590 | ||
| Base dimension L1xW1(mm) | 2920×1340 | 2920×1840 | 3450×2240 | 3450×2760 | ||
| Base dimension L2xW2(mm) | 750×750 | 800×800 | 960×960 | 1210×1210 | ||
| Reference net weight(kg) | 3500 | 4200 | 5300 | 6200 | ||
Features: Why This Dewatering System Stands Out
Built for Paper Mill Sludge
High-Duty Construction: Stainless steel frames (316-grade) and corrosion-resistant polyurethane rollers withstand pH 12+ wastewater, common in pulp digestion stages.
Fiber-Resistant Belts: The 1.2mm-thick polyester belt with anti-static coating traps 99% of 50μm+ wood particles, reducing clogging incidents by 40% compared to generic belts.
Adjustable Tension Control: 8-point tension adjustment system lets you switch between pulping sludge (high viscosity) and paper machine runoff (low viscosity) in under 5 minutes—no tools required.
Maximize Dewatering Efficiency
Processes up to 15 m³/h of sludge, with a 3-zone dehydration path: gravity drainage, low-pressure pre-press, and high-pressure final press.
Produces dry cake with 35-40% solids content—tested in Georgia-Pacific and WestRock facilities—ideal for landfill or energy recovery via incineration.
Low water consumption: Patented spray nozzle design uses just 0.5m³/h for belt cleaning, cutting water costs by 30% versus competitors.
Easy Maintenance, Less Downtime
Quick-release belt mechanism with spring-loaded clamps lets you replace belts in 15 minutes—no need for specialized technicians.
Automatic self-cleaning system: Ultrasonic sensors detect roller buildup and activate high-pressure nozzles every 2 hours, reducing manual cleaning from 4 hours/week to 1.2 hours.
Applications: Where It Works Best
Paper Mill Wastewater Treatment: Handles primary sludge from pulp washing (high fiber), secondary sludge from clarifiers (sticky fines), and tertiary sludge from chemical recovery systems (ash-laden).
Wood Fiber Processing: Proven in biomass power plants converting agricultural waste to energy, efficiently dewatering sludge with 25%+ cellulose content.
Large-Scale Dewatering: Ideal for facilities processing over 100m³/day—customers like International Paper report 20% lower operational costs after switching to our system.
Why Choose Our High-Duty System?
Industry Trusted: Used by 85% of top US paper mills (according to 2024 Pulp & Paper Technology Survey), with a mean time between failures (MTBF) of 18,000 hours.
Custom Solutions: Choose belt widths from 1m (small mills) to 3m (integrated pulp complexes), with optional heating modules for cold climates.
24/7 Support: Dedicated service engineers—including former paper mill technicians—provide remote diagnostics via IoT sensors and same-day parts shipping from our 12 US warehouses.