Hopper:
Capacity: 800L.
Material: SUS304 Stainless Steel (Contact Parts).
Control: Integrated Weighing Modules (Load Cells) for automatic weight control and dosing.
Ribbon Blender (Mixing):
Capacity: 1000L.
Motor: 7.5 kW(Siemens-Beide), VFD Speed Control (0-46 r/min).
Material: SUS304 Stainless Steel (Contact Parts).
Finished Product Hopper:
Capacity: 1600L.
Flow Assistance: Equipped with Two Vibrators to prevent clogging.
Conveyors: 2.1m In-feed Screw Conveyor 2.4m Out-feed Screw Conveyor.
Pulverizer: Model 600 (Crushes lumpy Urea/Raw Materials).
Bagging Machine: 25KG per bag, with Heat and Sewn Sealing.
Wrapper: Model 1800 Stretch Wrapper (for securing final pallets).
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WLDH-1000
Karvil
Ribbon Blender with Feeding & Packing System
This production line is customized for manufacturers demanding high homogeneity, reliable crushing, and precision packaging for powdered fertilizers, agrochemicals, and pre-mixes. Featuring a robust 1000L Ribbon Blender as its core, coupled with an essential Urea Pulverizer and high-speed Automatic Packaging System, this setup minimizes labor costs, maximizes blending uniformity, and ensures efficient, contamination-free operation from raw material intake to final logistics wrap
| Feature | Technical Benefit | User Value |
| Double Helix Agitator | Inner and outer ribbons move materials in opposing directions (convective, shear, and diffusive mixing). | Achieves fast and highly homogeneous blending with minimal dead space. |
| Capacity | $1000 \text{L}$ Total Volume (Approx. $500-700 \text{kg}$ working capacity, density dependent). | Ideal for mid-to-high volume batch processing, balancing efficiency and flexibility. |
| Material Contact Parts | Constructed from SUS304 (or SUS316L option). | Excellent corrosion resistance against acidic/alkaline fertilizer ingredients; easy to clean. |
| Rapid Discharge | Pneumatic or electric full-length bomb bay door discharge (or butterfly valve). | Fast and complete material release, preventing batch contamination. |
Buffer Functionality: Serves as a crucial intermediate storage point after mixing, ensuring a continuous supply of finished product to the high-speed packaging machine, preventing bottlenecks.
Custom Design: Available in various capacities and shapes (square, round) with vibration assistance to prevent finished powder from bridging or caking.
3. Material Pulverizer (Preprocessing Unit)
Dedicated Crushing: Specifically designed for processing hard, crystalline, and agglomerated materials like Urea, Ammonium Sulfate, or mineral components.
Fine Particle Control: Uses a hammer or pin-mill mechanism to produce fine powder suitable for high-quality mixing, ensuring maximum solubility and plant uptake efficiency.
Dust Management: Equipped with an integrated dust collection port to maintain a clean and safe working environment.
4. Automatic Bagging & Sealing Machine
High Precision Weighing: Uses Net Weight or Gross Weight measuring technology with load cell sensors, delivering accuracy of ± 0.1% to ± 0.2% per bag.
Dual-Speed Filling: Coarse and fine feed control ensures initial bulk filling is fast, while the final top-off is slow and precise, achieving speed without sacrificing accuracy.
Packaging Versatility: Handles various bag sizes and types (woven, paper-plastic laminated) and integrates seamlessly with automatic sewing or heat-sealing machines.
5. Automatic Stretch Wrapper (Logistics Optimization)
Stabilization: Automatically wraps filled and stacked pallets with stretch film, ensuring stability during internal transfer and long-distance shipping.
Protection: Provides protection against moisture, dust, and environmental factors, preserving fertilizer quality until it reaches the end-user.
Superior Blending Uniformity: The 1000L Ribbon Blender achieves a Coefficient of Variation (CV) as low as 5%, crucial for evenly distributing micro-nutrients across the entire batch, thus guaranteeing consistent fertilizer efficacy.
Raw Material Preparation Efficiency: The integrated Urea Pulverizer handles lumpy or caked raw materials, ensuring fine, consistent particle size (60-120 mesh target) ready for optimal blending and smooth downstream processing.
Total Automation, Minimal Waste: From the bulk silo discharge to the final pallet wrap, the line is fully automated. High-precision load cell scales on the bagging machine reduce giveaway and maximize profitability.
Optimized Footprint & Flow: Designed as a modular system, the entire line offers a compact layout and seamless material flow, minimizing transfer points, reducing dust generation, and simplifying maintenance.
