DW Mesh-Belt Dryer for Animal Feed Manufacturing: Alfalfa Feed Pellets
DW Mesh-Belt Dryer is evaluated for alfalfa feed pellets in animal feed manufacturing. The defined feed is formed moist alfalfa feed pellets of defined size. Match this duty to the material checks below and the unchanged original equipment parameters.
Alfalfa Feed Pellets: Application and Process Requirements
For alfalfa feed pellets, keep pellets intact while reviewing fines and fire-related handling risks. Begin with formed moist alfalfa feed pellets of defined size and confirm how the incoming grade varies before defining the drying cycle.
Feed, Product Quality and Downstream Handling
| Review item | Alfalfa Feed Pellets |
|---|---|
| Defined feed | formed moist alfalfa feed pellets of defined size |
| Material-specific focus | keep pellets intact while reviewing fines and fire-related handling risks |
| Product checks | moisture, pellet durability, fines and microbiological quality |
| Downstream handling | cooling before feed storage under the agreed quality program |
Material Movement and Drying Control
Include moisture, pellet durability, fines and microbiological quality in the trial record. Fix the sampling locations and analytical methods before comparing trials; feed preparation and cooling can affect the measured result.
Drying Endpoint and Product Acceptance
After acceptance, arrange cooling before feed storage under the agreed quality program. Review discharge, temporary holding and packaging exposure as part of the moisture-control plan.
Application-Specific Equipment Selection
DW Mesh-Belt Dryer selection for alfalfa feed pellets starts with Belt Dryer requirements and the defined feed. Assess belt conveyor drying and through-flow drying together with Industrial drying equipment; the Drying Equipment duty must be demonstrated using representative material and the required finished-product specification.
Drying is separate from extrusion, conditioning, coating and feed-hygiene validation. Verify the intended animal species, formulation and storage conditions under the facility quality program.
View the DW Mesh-Belt Dryer range and original equipment specifications
Technical References for This Application
Define the animal-feed manufacturing and hygiene controls. FDA animal-food manufacturing guidance.
Review the feed process and its product-specific hazards. FDA animal-food preventive-controls overview.
Review the dust characteristics of the collected dry material. HSE combustible-dust guidance.
Review operation and maintenance around the specified equipment configuration. HSE work-equipment guidance.
Review the thermal duty and utilities for the actual feed. U.S. DOE process-heat reference.
Equipment Reference Parameters
These are the DW Mesh-Belt Dryer model specifications. The operating duty for alfalfa feed pellets must be established from the feed and the finished-product requirements above.
| Model | DW Series |
| Belt width | 1.2, 1.6 or 2 m |
| Drying section length | 8 or 10 m |
| Material layer thickness | 10–80 mm |
| Operating temperature | 60–130°C |
| Steam pressure | 0.2–0.8 MPa |
| Belt construction | Stainless steel mesh |
| Control | Button control; PLC and touchscreen on request |
| Adjustable conditions | Belt speed, air conditions and temperature |
| Applications | Suitable vegetables, herbal materials, granules, chemicals and other permeable feeds |
| Model | Unit | DW-1.2-8 | DW-1.2-10 | DW-1.6-8 | DW-1.6-10 | DW-2-8 | DW-2-10 |
|---|---|---|---|---|---|---|---|
| Number of Units | — | 4 | 6 | 4 | 6 | 4 | 6 |
| Belt Width | m | 1.2 | 1.2 | 1.6 | 1.6 | 2 | 2 |
| Drying-Section Length | m | 8 | 10 | 8 | 10 | 8 | 10 |
| Material-Layer Thickness | mm | 10–80 | 10–80 | 10–80 | 10–80 | 10–80 | 10–80 |
| Operating Temperature | °C | 60–130 | 60–130 | 60–130 | 60–130 | 60–130 | 60–130 |
| Steam Pressure | MPa | 0.2–0.8 | 0.2–0.8 | 0.2–0.8 | 0.2–0.8 | 0.2–0.8 | 0.2–0.8 |
| Steam Consumption | kg steam/kg H₂O | 2.2–2.5 | 2.2–2.5 | 2.2–2.5 | 2.2–2.5 | 2.2–2.5 | 2.2–2.5 |
| Evaporation Intensity | kg H₂O/(m²·h) | 6–20 | 6–20 | 6–20 | 6–20 | 6–20 | 6–20 |
| Total Fan Power | kW | 3.3 | 4.4 | 6.6 | 8.8 | 12 | 16 |
| Total Installed Power | kW | 4.05 | 5.15 | 7.35 | 9.55 | 13.1 | 17.1 |
| Item | Dryer Type | 1.2 | 1.4 | 1.6 | 1.8 | 2.0 |
|---|---|---|---|---|---|---|
| Effective Belt Width B | Single-Layer Belt Dryer DW-B×L | 1.2 | 1.4 | 1.6 | 1.8 | 2.0 |
| Effective Belt Width B | Three-Layer Belt Dryer DW3-B×L | 1.2 | 1.4 | 1.6 | 1.8 | 2.0 |
| Effective Belt Width B | Five-Layer Belt Dryer DW5-B×L | 1.2 | 1.4 | 1.6 | 1.8 | 2.0 |
| Single-Layer Effective Drying Length | — | 8–30 | 8–30 | 8–30 | 8–30 | 8–30 |
| Evaporation Intensity (kg/m²·h) | — | 1–6 | 1–6 | 1–6 | 1–6 | 1–6 |
| Steam Consumption (kg/kg H₂O) | — | 1.5–3 | 1.5–3 | 1.5–3 | 1.5–3 | 1.5–3 |
| Mesh-Belt Speed (m/h) | — | 10–30 | 10–30 | 10–30 | 10–30 | 10–30 |
| Material-Layer Thickness (mm) | — | 10–60 | 10–60 | 10–60 | 10–60 | 10–60 |
| Drying Temperature (°C) | — | 60–120 | 60–120 | 60–120 | 60–120 | 60–120 |
| Steam Pressure (MPa) | — | 0.2–0.6 | 0.2–0.6 | 0.2–0.6 | 0.2–0.6 | 0.2–0.6 |
| Equipment Name | Unit | Three Units in Series | Three Units in Series | Five-Layer Vegetable Dryer (Frame Type) |
|---|---|---|---|---|
| Model | — | DWP-3-2-10 | DWF-3-2-10 | DW-5-3-12 |
| Effective Belt Width | m | 2 | 2 | 3 |
| Effective Belt Length | m/unit | 10 | 10 | 12 |
| Number of Series-Connected Units | — | 3 | 3 | — |
| Number of Layers | — | — | — | 5 |
| Vegetable Throughput | kg/h | 600 | 720 | 2000 |
| Evaporation Capacity | kg/h | 400–510 | 480–640 | 1440–1800 |
| Steam Consumption | kg/kg H₂O | 2.2–2.5 | 2.2–2.5 | 2.2–2.4 |
| Heat-Transfer Area | m² | 900 | 1440 | 2600 |
| Total Installed Power | kW | 70 | 52 | 150 |
| Overall Dimensions | m | 33.2×2.58×2.8 | 33.2×2.27×2.85 | 15.3×4.3×8.5 |
| Heat Source | — | Steam / thermal oil / hot-air furnace / electricity | Steam / thermal oil / hot-air furnace / electricity | Steam / thermal oil / hot-air furnace / electricity |
| Model | Unit | DW-3×12 |
|---|---|---|
| Effective Belt Width | m | 3 |
| Effective Belt Length | m/unit | 12 |
| Operating Temperature | °C | 80–130 |
| Steam Pressure | MPa | 0.4–0.8 |
| Drying Time | min | 35–50 |
| Material-Layer Thickness | cm | 5–8 |
| Evaporation Capacity | kg/h | 6–20 |
| Steam Consumption | kg/kg H₂O | 2–2.4 |
| Total Installed Power | kW | 76 |
| Overall Dimensions | m | 15.1×4.3×3.4 |
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