Sanhe-Grain Storage Silo Manufacturer in China | Shijiazhuang, Hebei, China | (+86) 139 3119 1517

Flat-Bottom Steel Silo

A flat bottom grain storage silo is a form of grain silo relative to a conical bottom silo. As the diameter of the silo increases, the height of the cone bottom also increases, which will lead to an over-height silo. Therefore, the bottom of a large-diameter silo can only be flat.

Usually, When the silo diameter is over 11.9m, hopper bottom is not suggested. but if still prefer a cone bottom for easy unloading, can shift to multi-hopper form to reduce the bottom part height.

Advantages of Flat Bottom Silo

  • Large Single Storage Capacity
    – Can be over 20000T each.
  • Automatic Grain Storage Handling Solution
    – High mechanization with central control.
  • Remote Controlled Grain Handling Equipment
    – Can be PLC or Remote Simulate Control.
  • Grain Temperature/ Humidity Monitoring Facility
    – Wireless, or Wired
  • High-efficiency Grain Aeration System
    -Linked with Thermal Monitoring System.

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    Flat Bottom Silo Components

    Flat bottom grain storage Silo is usually consisted of below parts:

    Silo Body, Transportation Equipment, Grain Aeration System, Preclean&Dust Filtration, Grain Thermal Monitoring System

    Silo Body Part

    This is the essential components of the grain silo storage system, which consists of:

    Silo Roof,Silo Cylinder,Silo Foundation

    Our silo is constructed from hot galvanized (275g/m2 zinc) corrugated steel plate, reinforced with Z or C stiffeners (internal/external), and is equipped with a ladder and inspection manhole.

    Transportation Equipment

    Usually contains Bucket Elevator, Chain Conveyor, Screw Auger and its Support, such as Elevator Tower, Conveyor Catwalk. These equipment work for silo loading, silo unloading/discharging, truck loading, or transportation of grain to factories.

    Grain Aeration System

    A grain aeration system is essential for safe long-term grain storage. It includes an air blower, roof vent, air ventilation channel, or ventilation floor to circulate air evenly through the grain, reducing humidity and grain temperature. This system is typically linked and controlled with a grain temperature measurement system.

    Grain Preclean &Dust Removal Filtration System

    Dust and impurities in the grain significantly impact quality and storage safety. Our pre-cleaning sieve effectively removes impurities before loading, while our dust filtration system ensures a consistently clean working environment.

    Grain Thermal Monitoring System

    During grain storage, temperature variations due to humidity and grain quality can damage the stored grain.The grain thermal system monitors grain temperature at various spots inside the silo, providing a visual display of the overall temperature status. It can also automatically activate the blower of the grain aeration system when the grain temperature is high.


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    Upgrade your grain storage? Discover the strength and efficiency of our flat-bottom steel grain silos, designed to meet the demands of modern agriculture and food processing.

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      “The silos optimize my maize milling and feed production. They are reliable, efficient, and crucial for our expansion..”

      — A.Moham. Director