150 TPD Drying + 4,000T Storage Turnkey Project
Integrated Drying → Storage · Central Africa · Delivered 2025
AmGrainTech delivered a turnkey integrated drying + storage project in Central Africa in 2025: a 150 TPD continuous tower dryer plus two 2,000-ton galvanized steel flat-bottom silos (4,000 t total), serving a local agricultural investment group growing corn. Every outdoor steel structure carries dual anti-corrosion protection — hot-dip galvanizing plus heavy-duty coating — engineered for a hot, humid tropical climate and a 15+ year service life.
Project Gallery
Technology: One Integrated Drying-to-Storage Chain for the Tropics
In Central Africa's hot, humid climate the risks compound: un-dried grain molds within days, corroded steel shortens asset life, and stored grain heats without ventilation. This turnkey project answers all three with one integrated design:
Integrated Drying → Storage Chain
A 150 TPD continuous tower dryer feeds two 2,000-ton galvanized flat-bottom silos (4,000 t total) through a matched conveying and cleaning system — wet grain in, safely dried and stored grain out, from one contractor with one point of responsibility.
Dual Anti-Corrosion Protection
All outdoor steel structures carry hot-dip galvanizing plus heavy-duty anti-corrosion painting. This dual barrier is what makes a 15+ year service life realistic under tropical humidity and rainfall.
Temperature-Controlled Ventilation
In-silo temperature-controlled ventilation keeps the grain mass cool and stable, effectively preventing grain heating and mold during long storage in high humidity.
Fuel & Energy Options
The 5HL continuous tower line supports multiple heat sources, so the operator dries with the most economical fuel available locally:
- Type A — clean fuels: natural gas, diesel, electricity — suited to strict-emission sites and food-grade drying.
- Type B — economical fuels: coal and biomass (husk, straw, wood chips) — low-cost and often abundant in agricultural regions.
Project Background, Challenge & Solution
Client Background: The client is an agricultural investment group in Central Africa operating large local plantations, mainly growing corn. Harvest-season grain moisture reaches 25–30%, and the lack of modern drying and storage facilities kept post-harvest losses consistently high.
Challenge: The hot, humid tropical environment demands extremely high corrosion resistance from the equipment. The client needed a complete drying-to-storage solution (turnkey mode) with a service life of at least 15 years under harsh climate conditions.
Solution: AmGrainTech provided an integrated drying + storage turnkey package: one 150 TPD continuous dryer (with anti-corrosion coating) + two 2,000-ton galvanized steel flat-bottom silos (4,000 t total) + conveying and cleaning system + temperature-controlled ventilation. All outdoor steel structures received dual protection of hot-dip galvanizing plus heavy-duty anti-corrosion painting. The contract covered design, manufacturing, ocean freight, on-site installation supervision, and operator training.
Result: The project was delivered and commissioned in 2025. First harvest-season data shows post-harvest loss cut from about 30% to within 5%. The steel silos performed well in the hot, humid tropics, and the temperature-controlled ventilation effectively prevented grain heating and mold. The client was satisfied with the reliability and cost-effectiveness of the overall solution.
5HL Continuous Tower Series (Reference)
The 150 TPD continuous tower dryer in this project corresponds to the 5HL-150 capacity class of AmGrainTech's 5HL continuous mixed-flow series. The table below shows the reference line:
| Model | Capacity (t/d) | Dimensions (mm) | Total Power (kW) | Hot-Air Temp (°C) |
|---|---|---|---|---|
| 5HL-150 — 150 t/d class (this project) | 150 | 2400×3600×22500 | 81.5 | 45–160 |
| 5HL-100 | 100 | 2400×3600×17700 | 48 | 45–160 |
| 5HL-200 | 200 | 2900×4200×22500 | 102.7 | 45–160 |
| 5HL-300 | 300 | 3170×4950×30000 | 127.4 | 45–160 |
| 5HL-500 | 500 | 3700×5700×34000 | 224.9 | 45–160 |
| 5HL-600 | 600 | 4700×5700×34000 | 273.9 | 45–160 |
| 5HL-1000 | 1000 | 5000×6000×34850 | 465 | 45–160 |
5HL series dimensions, power and temperature ranges are manufacturer standard data. Capacity and configuration are customized per grain type, intake moisture and site climate.
Project Outcomes
Delivery & Commissioning Timeline
Turnkey design; dryer, silos and conveying built at our Henan base (ISO 9001)
Ocean freight arranged under the turnkey contract
On-site installation supervision for dryer, silos and auxiliaries
Operator training delivered; commissioned 2025 — first season loss < 5%
Why Integrated Drying + Storage Fits Tropical Central Africa
- One chain, one contractor — dryer, silos, conveying and cleaning engineered together, so capacity, throughput and corrosion protection match end to end under a single turnkey responsibility.
- Dual protection beats humidity — hot-dip galvanizing plus heavy-duty coating is the baseline for 15+ year steel life in hot, humid climates; single-layer protection corrodes far sooner.
- Ventilation protects what drying achieved — without temperature-controlled in-silo ventilation, re-heating and mold can undo good drying during weeks of storage.
- Loss cut at the source — drying 25–30% harvest moisture immediately after harvest is what moved post-harvest loss from ~30% to within 5%.
Client Evidence
“Drying, storage and commissioning were handed over in one complete handover. Post-harvest losses dropped from around 30% to under 5% — every tonne saved is real profit.”
Frequently Asked Questions
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