Technical Specifications
Complete technical parameters for 5HL-450 Continuous Flow Rice Dryer
| Parameter | Specification |
|---|---|
| Dryer Type | Continuous Flow Rice Dryer Tower |
| Model | 5HL-450 Continuous Flow Rice Dryer |
| Daily Capacity (Paddy) | 450 tons/day |
| Moisture Removal Capacity | Up to 11% in a single pass |
| Tower Section Size | 3.5m x 3.5m, 22 sections |
| Drying Process | 2 Drying stages + 2 Tempering stages |
| Design Configuration | Dual-Tower Parallel Design (5HC Series) |
| Drying Technology | Low-temperature, high-airflow drying with extended tempering |
| Heat Source | Rice Husk Stove (GJL-480-AI, 4.8 million kcal/h) |
| Total System Power | ~207 kW (Including dryer fans, furnace fans, elevators) |
| Grain Breakage Prevention | Prevents kernel fissuring (no 'burst belly') |
| Milling Yield | Ensures high milling yield with proper operation |
| Control System | Advanced control system for rice drying parameters |
| Tempering Ratio | High tempering ratio simulating natural drying conditions |
| Material Handling | Two lifts for dual-tower configuration |
| Construction | Industrial-grade construction for continuous operation |
| Suitable Grain Type | Specifically engineered for Paddy/Rice drying |
| Operation Mode | Continuous flow with automated control |
Product Advantages
Key benefits of 5HL-450 Continuous Flow Rice Dryer
Specialized for Paddy Drying
Engineered specifically as a rice dryer machine, using low-temperature, high-airflow drying and extended tempering to prevent kernel fissuring (no 'burst belly'), ensuring high milling yield.
Dual-Tower Parallel Design
Uses a two-tower parallel configuration (5HC Series) with two lifts, simulating natural drying conditions with a high tempering ratio, optimizing both capacity and grain quality.
Cost-Effective Fuel Option
Can be efficiently paired with a rice husk stove (e.g., GJL series), significantly reducing drying costs by using rice milling by-products as fuel.
High Moisture Removal
Capable of reducing moisture by up to 11% in a single pass, which is exceptional for continuous rice dryers and reduces the need for multiple drying cycles.
High-Capacity Processing
450 tons per day capacity addresses the shortcomings of small-batch recirculating dryers (low capacity) for large-scale rice milling operations.
Optimized for Rice Quality
Designed to overcome the poor rice quality issues of traditional continuous grain dryers, making it the ideal mechanical dryer for rice mills.
Energy Efficient Operation
Advanced drying technology with optimized tempering stages reduces energy consumption per ton of dried rice compared to conventional dryers.
Automated Operation
Advanced control system manages the complex drying and tempering process automatically, ensuring consistent results with minimal operator intervention.
Product Features
Specialized features for efficient and high-quality rice drying
Rice-Specific Engineering
Specifically designed as a rice dryer machine, addressing the unique requirements of paddy drying that differ from other grains like corn or wheat.
Dual-Tower Parallel Configuration
5HC series design with two parallel drying towers and two lifts provides optimal drying conditions and high throughput for large-scale rice operations.
Low-Temperature Drying
Uses low-temperature drying technology to preserve rice quality, prevent stress cracks, and maintain germination rates for seed rice.
High-Airflow Design
Optimized high-airflow system ensures even moisture removal throughout the grain mass without excessive temperature that can damage rice quality.
Extended Tempering Stages
Features 2 drying stages with 2 extended tempering stages, allowing moisture to equalize within the grain and preventing fissuring.
Rice Husk Fuel Compatibility
Designed to work efficiently with rice husk stoves (GJL-480-AI, 4.8M kcal/h), utilizing mill by-products for cost-effective heating.
High Moisture Removal Capacity
Can reduce moisture by up to 11% in a single pass, handling high-moisture paddy directly from harvest efficiently.
Large Tower Sections
3.5m x 3.5m tower sections with 22 sections total provide ample capacity for 450 tons per day throughput with proper residence time.
Advanced Control System
Specialized control algorithms for rice drying parameters including temperature, airflow, and tempering times for optimal results.
Space-Efficient Design
Dual-tower design maximizes drying capacity while minimizing footprint, important for rice mill installations where space may be limited.
Kernel Fissuring Prevention
Specifically engineered to prevent 'burst belly' or kernel fissuring, the main quality issue in mechanically dried rice that affects milling yield.
High Milling Yield Optimization
All design features work together to maximize head rice yield, the most important quality metric for commercial rice milling operations.
Rice Drying Specialization
Why rice requires specialized drying technology compared to other grains
The Rice Drying Challenge
Rice (paddy) presents unique drying challenges not encountered with other grains like corn or wheat. The rice kernel has a hard outer husk and a delicate starchy interior that expands and contracts differently during drying. Traditional grain dryers designed for corn or wheat often cause "stress cracks" or "fissures" in rice kernels, leading to:
Gentle Low-Temperature Drying
Unlike corn dryers that use high temperatures (up to 140°C+), the 5HL-450 uses lower temperatures appropriate for rice, typically 40-60°C, to prevent thermal stress on the kernels.
Strategic Tempering Periods
Incorporates extended tempering (resting) periods between drying stages. This allows moisture to migrate from the kernel's center to the surface gradually, preventing the internal stress that causes fissuring.
Controlled Drying Rate
Limits the drying rate to prevent too-rapid moisture removal, which is a primary cause of stress cracks in rice kernels. The system automatically adjusts based on initial moisture content.
Moisture Gradient Management
Manages the moisture gradient within each kernel carefully. The dual-tower design with proper airflow ensures more uniform drying than single-pass systems.
Applications
Designed for large-scale commercial rice drying operations
Large Rice Mills
Ideal for large-scale rice milling facilities processing 100+ tons per day. Provides the continuous, high-quality drying needed to maintain milling yield and product quality in commercial rice production.
Rice Storage & Processing Complexes
Integrated rice storage and processing facilities that receive, dry, store, and mill rice. The 450 TPD capacity handles large volumes from regional rice production areas.
Export Rice Terminals
Rice export facilities at major ports requiring high-capacity drying to prepare rice for international shipment. Ensures rice meets moisture specifications for long-distance transport.
Agricultural Cooperatives (Rice)
Large rice-growing cooperatives that collect and process members' paddy. Centralized drying with the 5HL-450 ensures consistent quality across all members' rice.
Seed Rice Companies
Seed rice production companies requiring gentle drying to preserve germination rates. The low-temperature, controlled drying process maintains seed viability better than conventional dryers.
Large Rice Estates
Large commercial rice farms with extensive rice cultivation. On-site drying with the 5HL-450 allows for immediate post-harvest processing, reducing spoilage and maintaining quality.
Typical Rice Mill Integration:
Drying Technology & Process
Advanced rice-specific drying technology for optimal quality and efficiency
5HL-450 Rice Drying Process Flow
Rice Husk Fuel Integration
The system is designed to work optimally with a rice husk stove (GJL-480-AI, 4.8M kcal/h), creating a closed-loop system where rice milling by-products provide the heat for drying.
Intelligent Control System
Advanced control system automatically adjusts drying parameters based on initial moisture, ambient conditions, and desired final moisture for different rice varieties.
Continuous Flow Operation
Unlike batch dryers that require loading and unloading cycles, the 5HL-450 operates continuously, providing consistent throughput during peak harvest periods.
Quality Monitoring & Control
Continuous monitoring of temperature, moisture, and drying rates ensures consistent quality output. Alerts operators if parameters deviate from optimal ranges.
Continuous Flow Dryer Series Comparison
Comparing different models in the continuous flow grain dryer series
| Parameter | 5HL-100 | 5HL-450 | 5HL-500 | 5HL-1000 |
|---|---|---|---|---|
| Daily Capacity | 100 tons/day | 450 tons/day | 500 tons/day | 1000 tons/day |
| Primary Application | Various Grains | Rice/Paddy | Corn, Wheat, Paddy | Corn (Maize) |
| Moisture Removal | Variable | Up to 11% | ≥5% | 30% to 14-15% |
| Design Configuration | Single Tower | Dual-Tower Parallel | Single Tower | Single Tower |
| Drying Technology | Mixed-Flow | Low-Temperature for Rice | Continuous Flow | Mixed-Flow |
| Heat Source Required | 1.8M Kcal/h | 4.8M Kcal/h | Chain Grate Stoker | 12M Kcal/h |
| Total Power (Approx.) | ~31.5 kW + boiler | ~207 kW | ~167 kW | ~500 kW |
| Special Features | Complete System | Rice-Specific, Prevents Fissuring | Multiple Tempering Zones | Large-Scale Processing |
| Best Application | Small-Medium Plants | Rice Mills & Storage | Processing Plants | Large Terminals/Reserves |
High-Capacity Rice Drying Solution
The 5HL-450 Continuous Flow Rice Dryer delivers specialized, high-quality drying for large-scale rice milling operations. With rice-specific engineering, dual-tower design, and up to 11% moisture removal capacity, it's the ideal solution for rice mills and storage facilities requiring maximum throughput while preserving milling yield and grain quality.