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Decanter Centrifuge | Delivering High-Efficiency Solid-Liquid Separation Solutions for Global Environmental Water Treatment

Decanter Centrifuge | Delivering High-Efficiency Solid-Liquid Separation Solutions for Global Environmental Water Treatment

Product Details:
Place of Origin: China
Brand Name: Longdai
Model Number: LW
Document: Long Dai Water Treatment Eq...ue.pdf
Payment & Shipping Terms:
Minimum Order Quantity: 1Set
Price: 15000USD-25000USD
Packaging Details: Wooden or customized
Delivery Time: 30 working days
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability: 100Set Per Month
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Detailed Product Description
Features: Continuous Operation, High Efficiency, Low Maintenance Bowl Sped: 4000r/min
Material: SS304 Machinery: Separation Centrifuge
Easy Maintenance: Quick Disassembly And Cleaning Collocation: Double Motor With Double Transduce
Drum Speed: Appr 3200r/min Weight: 1400
Discharge Type: Spiral Screw Discharge Centrifuge Type: Decanter Centrifuge
Highlight:

horizontal decanter centrifuge

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industrial solid-liquid centrifuge

,

high-capacity continuous centrifuge

Driven by increasingly stringent global environmental regulations (e.g., EPA, EU standards) and the growing trend toward “zero liquid discharge,” industrial facilities and municipal wastewater treatment plants face unprecedented challenges: how to enhance treatment capacity while simultaneously reducing energy consumption, chemical usage, and labor costs.

Solid-liquid separation is often the bottleneck in the entire wastewater treatment process. The decanter centrifuge, with its advantages of continuous operation, high automation, large processing capacity, and strong adaptability to diverse feed conditions, has become a core technology in water treatment and industrial separation worldwide.


1. Wide Range of Applications

Decanter centrifuges are engineered to handle complex and variable operating conditions across multiple sectors:

  • Municipal Wastewater Treatment: Thickening and dewatering of waste activated sludge to reduce downstream drying and disposal costs
  • Industrial Wastewater: Treatment of high-strength organic effluents from food processing, pharmaceuticals, chemicals, and textile dyeing industries
  • Mining & Metallurgy: Concentration of mineral slurries and dewatering of tailings to improve water recovery rates
  • Oil & Gas: Processing of drilling muds and volume reduction of oily sludges
  • Livestock Farming: Manure solid-liquid separation to meet environmental discharge standards and enable resource recovery

2. Core Advantages: From Performance to Operational Cost Efficiency

In global markets, customers prioritize total cost of ownership (TCO) over initial purchase price. Our decanter centrifuges are designed with key operational metrics in mind:

  • High Separation Efficiency

    • Dual-cone drum geometry optimized for specific sludge characteristics
    • Consistently high cake dryness and low solids content in centrate, minimizing downstream load
  • Energy Savings

    • Optimized gearbox design with VFD (Variable Frequency Drive) control
    • Automatically adjusts rotational speed based on feed load
    • Achieves 15–25% lower power consumption compared to conventional units
  • Wear Resistance & Long Service Life

    • Critical components constructed from high-strength duplex stainless steels (e.g., UNS S32205/S32750) and tungsten carbide wear-resistant liners
    • Ideal for abrasive, sandy, or highly corrosive applications—significantly extending maintenance intervals
  • Intelligent Control System

    • Fully automated PLC + HMI control with touchscreen interface
    • Supports remote monitoring, real-time data logging, and predictive maintenance
    • Continuous monitoring of speed, torque, vibration, and temperature enables unattended operation

Technical Specifications (Generic – Brand-Neutral)

The following table provides standardized technical parameters for export promotion. Actual values may vary by model and application.

Parameter Technical Specification
Model Series LW Series (e.g., LW350, LW450, LW550, LW650 – classified by bowl diameter)
Bowl Diameter 350 – 650 mm (selected based on required capacity)
Length-to-Diameter Ratio (L/D) 3.5 – 4.5 (customizable per sludge characteristics)
Max Bowl Speed Up to 4,000 rpm (decreases with larger diameters)
Separation Factor (G-force) 2,000 – 3,500 G
Differential Speed 0.5 – 30 rpm (infinitely adjustable via VFD)
Main Motor Power 15 – 110 kW (model-dependent)
Backdrive / Hydraulic Power 5.5 – 30 kW
Throughput Capacity 5 – 80 m³/h (depends on feed concentration and properties)
Cake Dry Solids Content 15% – 45% (material-dependent)
Centrate Solids Content ≤ 0.1% – 0.5% (varies with operating conditions)
Materials of Construction - Bowl: Duplex stainless steel (2205/2507) or 316L
- Scroll: Tungsten carbide tiles or hardfaced alloy
- Casing: 304 stainless steel
Control System PLC-based automatic control with HMI touchscreen; supports remote monitoring and data interfaces (e.g., Modbus, Profibus)
Safety Features Vibration monitoring, temperature sensors, overload protection, emergency stop
Dimensions (Approx.) Length: 2,500 – 4,500 mm
Width: 1,200 – 1,800 mm
Machine Weight Approx. 2,000 – 8,000 kg

Decanter Centrifuge | Delivering High-Efficiency Solid-Liquid Separation Solutions for Global Environmental Water Treatment 0Decanter Centrifuge | Delivering High-Efficiency Solid-Liquid Separation Solutions for Global Environmental Water Treatment 1Decanter Centrifuge | Delivering High-Efficiency Solid-Liquid Separation Solutions for Global Environmental Water Treatment 2

Contact Details
Jiangsu Longdai Environmental Protection Group Co., Ltd.

Contact Person: Mr. Vance

Tel: +8615301537517

Fax: 86-0510-87837599

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