DW Mesh-Belt Dryer for Food Ingredient Processing: Apple Slices
DW Mesh-Belt Dryer is evaluated for apple slices in food ingredient processing. The defined feed is prepared evenly cut apple slices with a specified pretreatment. Match this duty to the material checks below and the unchanged original equipment parameters.
Apple Slices: Application and Process Requirements
For apple slices, control enzymatic browning, sugar adhesion and slice shrinkage. Begin with prepared evenly cut apple slices with a specified pretreatment and confirm how the incoming grade varies before defining the drying cycle.
Feed, Product Quality and Downstream Handling
| Review item | Apple Slices |
|---|---|
| Defined feed | prepared evenly cut apple slices with a specified pretreatment |
| Material-specific focus | control enzymatic browning, sugar adhesion and slice shrinkage |
| Product checks | moisture, water activity, color and texture |
| Downstream handling | cooling before dried-fruit barrier packaging |
Material Movement and Drying Control
Include moisture, water activity, color and texture 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 dried-fruit barrier packaging. Review discharge, temporary holding and packaging exposure as part of the moisture-control plan.
Application-Specific Equipment Selection
DW Mesh-Belt Dryer selection for apple slices starts with Belt Dryer requirements and the defined feed. Assess belt conveyor drying and through-flow drying together with Industrial drying equipment; the industrial food dryer duty must be demonstrated using representative material and the required finished-product specification.
View the DW Mesh-Belt Dryer range and original equipment specifications
Technical References for This Application
Define hygiene and contamination controls for the food process. FDA food manufacturing practices.
Review food-hygiene planning alongside the drying operation. Codex food-hygiene resources.
Evaluate the finished ingredient using the agreed water-activity method. FDA water-activity reference.
Review the dust characteristics of the collected dry material. HSE combustible-dust 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 apple slices 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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