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Equipped with a recirculation system that repeatedly passes grain through the drying chamber, the dryer achieves exceptional moisture uniformity of ±0.5% across the entire batch. This technology is particularly valuable for specialty grains and seeds where consistent moisture content is critical for storage stability, germination rates, and processing quality.
The drying chamber features three distinct temperature zones with independent controls: a pre-heating zone (40-50°C), a main drying zone (50-70°C), and a cooling zone (ambient +5°C). This staged approach ensures gentle moisture removal while preventing thermal damage to grains, maintaining nutritional content and germination potential.
A programmable recirculation mechanism moves grain through the drying chamber 8-12 times per batch, depending on initial moisture content. Each pass exposes grains to optimal airflow (2-3 m/s) and temperature conditions, with integrated sensors monitoring moisture levels and adjusting recirculation frequency accordingly.
The dryer accommodates multiple fuel sources including natural gas, propane, diesel, and biomass pellets. The heating system achieves a thermal efficiency of 85% across all fuel types, with a fuel consumption rate of 60-90 kg of fuel per ton of grain for typical moisture reduction from 20% to 14%.
A user-friendly PLC interface with touchscreen control allows operators to program drying parameters, monitor real-time process data, and store up to 20 custom drying profiles for different grains. The system includes automatic shutoff when target moisture is reached and alerts for required maintenance or unusual conditions.
Seed producers rely on the dryer's precise moisture control to achieve optimal germination conditions, with the batch operation preventing cross-contamination between different seed varieties. The gentle drying process maintains embryo viability, preserving germination rates above 90% for most seed types.
For high-value specialty grains (quinoa, millet, and organic cereals), the dryer's customizable settings ensure proper moisture removal without compromising nutritional quality or functional properties critical for specialty markets.
Grain storage operators use the batch dryer to prepare incoming grain for long-term storage, processing different grain types in separate batches to maintain purity and quality standards. Its flexible capacity adapts to fluctuating incoming volumes during harvest seasons.
Cycle times vary by grain type and initial moisture: wheat with 20% initial moisture requires 8-10 hours to reach 14% moisture; rice processes in 10-12 hours from 22% to 14%; corn takes 12-14 hours from 25% to 14%. The control system calculates and displays estimated remaining time based on real-time moisture readings.
The automated system requires minimal operator intervention: approximately 15 minutes to load grain and program settings, periodic visual checks during drying, and 30 minutes to unload and clean after completion. The dryer can operate unattended overnight with remote monitoring capabilities via mobile app alerts.
Daily maintenance includes cleaning air filters and inspecting grain flow paths. Weekly tasks involve checking and cleaning the burner/nozzle assembly and lubricating moving parts. Monthly maintenance includes calibration of moisture sensors and inspection of the recirculation system. Annual service should be performed by qualified technicians to inspect heating elements and control system calibration.
Main technical parament
Model | 5H-10 | 5H-20 | 5H-20A | 5H-30 | 5H-30A | ||
Capacity(t) | 5-10 | 5-12 | 5-15 | 7-20 | 7-20 | 10-30 | 10-30 |
Power(kw) | 9.2 | 9.2 | 9.2 | 13.15 | 15.15 | 20.35 | 20.35 |
Dimension(m m)L*W*H | 2175* 3590* 10435 | 2175* 3590* 11045 | 2175* 3590* 12265 | 2270* 4580* 14230 | 2208* 5040* 12615 | 3525* 4440* 14720 | 3525* 4940* 13860 |
Net weight(t) | 2.3 | 2.5 | 3.0 | 3.7 | 4.2 | 5 | 5.5 |
Energy consumption | 13-15 | 13-15 | 13-15 | 20-23 | 23-26 | 30-35 | 35-40 |
Feed time (min) | 50-60 | 50-60 | 50-65 | 50-65 | 50-65 | 50-70 | 50-70 |
Discharge time(min) | 50-65 | 50-65 | 50-70 | 50-70 | 50-70 | 50-75 | 50-75 |
moisture removed (%/h） | 0.5-1 | 0.5-1 | 0.5-1 | 0.5-1 | 0.6-1.2 | 0.5-1 | 0.55-1.2 |
Fuel | Husk;straw;wood;peanut stalk and other waste blomass,etc. | ||||||
Safety device | Thermal replay.Air pressure switch.Full quantity alarm,etc. | ||||||
