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flat bottom grain silo


flat bottom grain silo is a facility used for storing grains or other cereals, with a bottom designed to be flat. These warehouses are typically utilized

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flat bottom grain silo Introduction

A flat bottom grain silo is a facility used for storing grains or other cereals, with a bottom designed to be flat. These warehouses are typically utilized for large-scale storage of grains such as corn, wheat, rice, and others. Constructed from concrete or steel, flat bottom grain silos feature substantial capacity to meet the demands of grain storage. Their flat bottom design maximizes storage space and is often equipped with proper ventilation systems to ensure the quality and long-term preservation of the grains.

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Characteristics of flat bottom grain silo

Storage Capacity

Flat Bottom Grain Silos can be designed in various sizes and capacities as needed, suitable for storing large quantities of grain.

Discharge Method

Due to the flat bottom, Flat Bottom Grain Silos may require additional discharge mechanisms, such as the use of spiral conveyors or other mechanical devices to assist in the flow and unloading of grain.

Structural Stability

The design of Flat Bottom Grain Silos must consider structural stability to support the weight of a large amount of grain.

Moisture Resistance

The moisture resistance of Flat Bottom Grain Silo is relatively poor, so additional moisture-proof measures, such as coatings or moisture-resistant materials, may be necessary.


Because of the flat bottom, drainage may not be as smooth as in silos with inclined or conical bottoms, necessitating a well-designed drainage system.


Flat Bottom Grain Silo are typically designed to be easily movable and installable, allowing for rapid deployment where needed.


The construction cost of Flat Bottom Grain Silo is relatively low, making them suitable for large-scale grains storage.

Wide Application

They are widely used in the agricultural, grain processing, and storage industries, suitable for storing grains such as wheat, corn, and soybeans.

Discharge Characteristics

When designing, it is necessary to consider the flowability of the grain to ensure that it can be smoothly unloaded from the silo and to prevent arching or blockage.


Flat Bottom Grain Silo can be customized according to specific technical specifications and storage needs to adapt to different scales of grain storage and handling requirements.

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Structure of flat bottom grain silo

Silo Walls

The silo walls constitute the outer structural framework of the grain silo, requiring sufficient strength to support the weight of the grain and withstand the influences of external conditions.

Silo Roof

The silo roof is situated atop the silo walls, shielding the stored grain from weather elements such as rain, snow, and direct sunlight.

Silo Floor

Unlike conical or wedge-shaped bottom silos, the floor of a flat bottom grain silo is level, aiding in the horizontal distribution of grain within the silos.

Discharge System

The discharge system is utilized for extracting stored grain from the silo. This encompasses discharge openings, conveyors, or discharge machinery, facilitating the transfer of grain to exits or downstream processing facilities.

Support System

The support system comprises columns and beams, furnishing essential structural support to the entire assembly.

Ventilation System

The ventilation system assists in regulating the temperature and humidity within the grain silo, reducing the risk of grain spoilage.

Monitoring and Control System

This includes monitoring devices for temperature, humidity, and grain flow within the silo, along with an automated system for controlling the discharge process.

Accessories and Fittings

These encompass essential accessories such as manhole covers, inspection doors, ladders, sensors, and other necessary fittings.

Advantages of flat bottom grain silo

High Capacity

Flat bottom grain silo typically offer large storage capacities, accommodating significant quantities of grain, making them suitable for large-scale storage needs.


With a flat bottom structure, these silos provide enhanced stability, evenly distributing the weight of the stored grain, reducing the risk of structural deformation and uneven grain accumulation.

Ease of Cleaning and Maintenance

The flat bottom design facilitates easier cleaning and maintenance compared to other types of silos. Grain unloading and cleaning processes are more efficient and straightforward.


Flat bottom grain silo are adaptable to various types of grains, including corn, wheat, rice, etc., and can withstand different climate and environmental conditions.

Lower Construction Costs

Typically, flat bottom grain silos entail lower construction costs compared to other types of storage facilities, making them a preferred storage solution in many agricultural and grains industries.

Effective Ventilation

These silos are often equipped with efficient ventilation systems, aiding in maintaining the freshness and quality of the stored grain, reducing the risk of mold and spoilage.


Flat bottom grain silo can be expanded or adjusted as needed to meet evolving grain storage requirements.

Application scope of Flat Bottom Grain Silo

Coban  Silo is widely used for grain storage such as wheat, corn, soybean, paddy, rice, soybean meal, barley, malt, sunflower seeds, rapeseed, peanuts, flour, and other powder materials, oat, special Silo, and seeds, etc.

Flat Bottom Grain Silo technical parameters

Scientifically speaking, the Silo capacity should be measured with volume (m3). Even in the same grain Silo, the storage tons will be different for different grains with different densities. The following table is calculated based on a  Silo density of 0.75kg/m3, and surely HKB customizes  Silo systems unique for you.

Most Popular Hopper Bottom Steel Silo Technical Specifications
Capacity 50Ton 100Ton 150Ton 200Ton 300Ton 500Ton 1000Ton 1500Ton
Model TCZK
















Diameter(m) 3.667 4.584 5.500 6.417 7.334 7.334 11.000 12.834
Total Height(m) 9.56 12.53 13.25 12.85 14.70 21.42 20.95 23.51


69 150 222 273 415 699 1346 2039
Most Popular Flat Bottom Steel Silo Technical Specifications
Capacity 1000Ton 1500Ton 2000Ton 2500Ton 3000Ton 5000Ton 8000Ton 10000Ton
Model TCK
















Diameter(m) 10.084 11.918 13.750 15.584 15.584 18.334 24.751 25.668
Total Height(m) 18.69 20.34 20.87 20.30 24.78 28.60 26.99 30.60

Density: 0.75ton/m³

1335 2009 2701 2467 4145 6693 10879 13484

After-sale Service

  • – HKB provides advanced grain safety storage technology to assure your grain silo 100% quality stability.
  • grain silo Quality guarantee is one year after installation and commissioning or 18 months after leaving China Port. Maturity is the first.
  • – 7 days x 24 hours service, within 24 hours reply/solve of any technical issues upon request.
  • – Routinely telephone track to remove all might be problems grain silo or issues guarantying the whole system grain silo long-lasting safety and reliability.
  • – HKB will consider all other needs like customs clearance, sea delivery, insurance, customs tax benefit plan, documentation, etc. So our respected Users feel so relaxed and easy to get the grain silo system well.
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