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Our galvanized steel grain silos are built for exceptional durability and long-term weather resistance, making them ideal for the bulk storage of maize (corn), wheat, animal feed, and other grains. Manufactured with hot-dip galvanized steel, each silo is designed for a service life of 30-50 years, ensuring safe and reliable storage performance.
Maize and wheat flour milling plants
Rice processing lines
Feed mills and livestock farms
Grain trading depots and collection centers
Oilseed and soybean processing plants
Breweries and malt production facilities
These silos are available in flat-bottom or hopper-bottom types, and capacities range from 50 tons to 10,000 tons, fully customizable according to your storage needs.
Advanced Climate-Controlled Silo Storage Solution
To build a fully automated, climate-controlled grain storage system, we provide integrated solutions that include:
Pre-cleaning systems to remove impurities before storage
Low-temperature grain dryers for moisture reduction
Ventilation and aeration systems for air circulation
Temperature and moisture sensors for real-time monitoring
Level indicators and sweep augers for safe and efficient unloading
Silo Structure Overview
Silo Roof: Constructed with high-strength galvanized steel sheets, featuring manholes, access ladders, and natural ventilation vents.
Silo Body: Made of corrugated hot-dip galvanized steel plates, joined with high-tension bolts for structural strength and corrosion resistance.
Silo Bottom: Available in flat bottom or conical (hopper) bottom, based on discharge method and grain type.
Auxiliary Equipment: Includes inspection doors, platforms, handrails, and safety ladders for easy operation and maintenance access.
Our silo systems are designed for durability, safety, and operational efficiency, suitable for use in grain processing plants, feed mills, and bulk grain storage facilities across diverse environments.
| Material | Hot galvanized steel | |
| Capacity | 500T | 1000T |
| Diameter(meter) | 7.9 | 10.39 |
| layer | 11 | 13 |
| Installation | Support overseas installation Now we have more than 20 engineers in Africa |
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| Delivery Time | 60-90days | |
| Features | Automatic-flow unloading; Hopper angles can be 45° and 60°; Easily to be installed; Fewer grain residues in steel-insulated rice storage silo; Hopper structure prevents loss of time and cost during the unloading period. |
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| Technology | Advanced thermal curing mold release which is used in the Aerospace Manufacturing Field, is the Same Thickness whole silo, No bubble. Ventilation system Level indicator Temperature system |
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1. 500-Ton Grain Silo
Ideal for medium-sized milling plants or regional grain storage depots. Equipped with a ventilation system, temperature/moisture sensors, and sweep augers for efficient storage and discharge.
2. 1,000-Ton Grain Silo
Designed for large-scale storage facilities or as part of a complete flour milling production line. Supports integration with automated handling systems, including bucket elevators, conveyors, and dust control units, ensuring safe and efficient grain management.
Material Quality
Constructed with SGH series high-strength hot-dip galvanized steel plates.
Galvanization coating thickness ranges from Z275 to Z600, offering excellent corrosion resistance and a 30-50 year service life.
Corrugated Plate Design
Plates are produced on a fully automated, computer-controlled production line, using advanced international technology.
Ripple spacing: 68mm (small ripple design), enhancing structural strength and wind resistance.
Bolt and Seal System
Plates ≥2.5mm thick are assembled using four rows of high-strength 10.9-grade bolts for superior stability.
Waterproof rubber pads and aerospace-grade mortar are applied to all bolt joints to ensure leak-proof connections.
Sealing around corrugated plates with aerospace rubber strips improves airtightness and weather resistance, critical for grain safety.
Material Specification
Crafted from Z275-Z600 SGH series high-strength hot-dip galvanized steel plates, providing excellent corrosion resistance, long-term durability, and a service life of 30-50 years under varied environmental conditions.
Stiffener Technology
Stiffeners are manufactured via a fully automated, computer-controlled production line, ensuring high precision and consistent quality.
The structure features an advanced 365mm-wide "W"-shaped support column, also hot-dip galvanized, offering superior load-bearing strength and enhanced rust protection.
High-Strength Bolt Assembly
The silo body is assembled using super-strength 10.9-grade bolts, providing tight, secure connections for all components. This ensures excellent structural stability, especially suitable for large-capacity grain storage systems.
This is the 5*3000T silo we provided to a customer in Zimbabwe. The silo is equipped with a 500t/d maize flour mill.
Other silo projects
Our silos are equipped with pre-cleaning and drying machines to effectively prevent grain and flour from spoiling2000T*3 silos in DRC1500T silo in Kenya500T*4 silos in Ethiopia
100-10,000 Ton Grain Storage Silo System with Turnkey Project Support
Hongdefa provides hot-dip galvanized grain storage silos with capacities ranging from 100 tons to 10,000 tons, available in multiple discharge configurations:
Flat bottom silo
Hopper/cone bottom silo
Fluidized discharging silo
Multi-outlet discharging silo
Process and civil engineering design
Automated control system integration
Manufacturing, installation, and commissioning of all supporting equipment, including:
• Grain elevators and conveyors
• Pre-cleaning and cleaning equipment
• Magnetic separators
• Moisture and temperature control systems
• Low-temperature grain dryers and fumigation systems
• Cold storage and aeration/ventilation
• Dust collection and filtration units
• Metering and weighing systems
On-site technician training
Ongoing technical support & maintenance guidance
These silo systems are widely used in grain milling plants, rice processing lines, feed mills, and agricultural storage depots, and are ideal for storing:
Wheat, maize (corn), paddy rice, soybeans, sunflower seeds, sorghum, barley, peanuts, and other grains.
With Hongdefa's robust engineering and service capabilities, our silo solutions ensure long-term protection, high operational efficiency, and seamless integration into modern grain handling systems.
Shijiazhuang Hongdefa Machinery Co., Ltd. is located in Wumashan Industrial Area, Zanhuang County, Shijiazhuang City, just a 4-hour drive from Beijing.
We are a professional manufacturer and exporter of maize milling machines and wheat flour milling machines, with silos, with a strong industry presence since 1982. With decades of experience, we have earned a solid reputation for quality, reliability, and international service.Hongdefa has a professional team of around 100 skilled workers, a 30,000 m2 modern manufacturing base, and a 1,000 m2 research and development center.
Our advanced facilities and experienced team ensure high-quality production and continuous innovation in grain milling technology.
Our engineering team includes over 30 highly qualified engineers, each with more than 15 years of experience in flour mill design, manufacturing, and on-site installation.
Our sales managers also bring over 10 years of international sales experience. They have visited more than 20 countries, meeting clients face-to-face, providing professional consultation, and helping establish overseas offices to better serve our global customers.
We provide lifelong after-sales support for all our silos.
Currently, we have:
Warehouses in Zambia and Kenya
A local office in Ethiopia
Authorized agents in DR Congo, Australia, Yemen, Burkina Faso, and other countries
These overseas service points enable us to offer quick response, local spare parts supply, and technical support, ensuring your production runs smoothly at all times
All our machines and silos are manufactured to the highest quality standards and have passed international certifications, including ISO, CE, BV, SGS, and COC.
These certifications ensure our equipment meets global requirements for safety, reliability, and performance.
5. Loading & Shipping the Machines and silos
The machine and silo will first wrapped with protective film inside and waterproof plastic film outside to prevent moisture and dust.
For orders shipped in less than a full container, wooden crate packing is applied to ensure safety during transport.
Inside the container, the machine and silo will be securely fastened with steel ropes to avoid any movement or damage.
All machines are carefully inspected and reinforced to ensure they arrive at the destination in perfect working condition.
Q2: Can Hongdefa help with installation and project layout?
A2: Yes. We provide turnkey solutions, including civil design, process layout, on-site installation, and commissioning. Our engineering team can also travel to your site for supervision and worker training.
Q3: What grains and materials can be stored in your silo systems?
A3: Our silos are suitable for storing a wide range of bulk materials including maize (corn), wheat, paddy rice, soybean, sorghum, sunflower seed, barley, peanuts, and animal feed.
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