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Hopper Silo

  • Service: Customized & OEM
  • Cooperation: Factory Directly
  • Brand: Herm®
  • Application: It is used for grain storage, such as rice, wheat, corn, etc

Hopper silos are widely used in applications that require routine small volume storage and quick cleanup, reducing energy and labor costs for material handling. Hopper bottom bin, also known as grain hopper bin, hopper bottom storage bin, refers to a silo with a conical bottom.

What Is A Hopper Silo?

Hopper silos are widely used in applications that require routine small-volume storage and quick cleanup, reducing energy and labor costs for material handling. A hopper bottom bin, also known as a grain hopper bin, or hopper bottom storage bin, refers to a silo with a conical bottom. Typically, most material storage requires the use of hoppers in silos. According to the requirements and conditions of customers, the shape of the hopper or cone is specially designed to meet the needs of storing products. For some products, such as food and grains, hazards and safety concerns need to be eliminated.

Our hopper bottom silos contain complete drainage systems. The configuration of the hopper bin depends on the type of material to be stored. General granular products need 45 Cone bottom silo, while powdery or other difficult-to-flow materials are suitable for storage at 60Cone bottom silo. If complete drainage is required, bottom hopper silos are your only option.

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Grain Hopper Bin Features

1. Our different model's hopper silos, which diameters vary from 3m to 13m and capacity from 300 to 1500tones.

2. High galvanization and perfect quality accessories for a longer corrosion protection guarantee. Galvanized steel of 275g/m2, 450g/m2, or 600g/m2 can be selected according to the environmental conditions of the silo.

3. Standard design hopper angles are 45 and 60. It can also be manufactured according to natural conditions such as silo diameter, grain storage characteristics, warehouse wind, earthquake, and snow load.

4. The inner surface of the hopper plate features mushroom head bolts to ensure maximum cleanliness within the silo.

5. Smooth-walled hopper silos for non-free-flowing materials are available upon request.

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What is The Structure of Hopper Silo?

Silo Roof

The angle of the warehouse roof is generally designed to be 25 degrees to 30 degrees. This design can guarantee the optimal structural strength of the silo rack, thus maximizing the structural and safety of the silo. The silo roof adopts the strong interconnection design of the silo roof, the lower ring beam structure, and the side reinforcement structure with the top cover plate, so that the silo roof can bear the worst load of the silo, the construction load of the top silo, and even the extreme snow load, and other an extreme environment.



Our silos are all made of high-strength externally reinforced profiles to reinforce the entire silo structure so that the silo can stand upright even in extreme environments. All the ribs are galvanized to ensure long-term use without rust.

Wind Ring

The air ring is mainly used to increase the strength of the hopper bin. For high hopper bins or bins in strong wind positions, the air ring can effectively strengthen the load-bearing of the hopper bin, thus effectively ensuring the firmness and safety of the bin.


High Strength Bolts

Our silos are all made of high-strength galvanized bolts, with nuts, sealing washers, and the use of sealant between the steel plates, which perfectly guarantees the sealing and firmness of the silos.



Our silos provide two manholes. The first is located on the top of the bin for access from the top of the bin, and the other is located on the second bottom ring for workers to enter for clean-up or maintenance.


Ladder System & Rest Platforms

The ladders and rest platforms inside and outside the hopper silo are produced entirely in modular form with painted or galvanized sheets. The silo exterior safety ladder with a cage allows workers safely.


Hopper Bottom

Our hopper silo ensures a solid hopper bottom silo structure with reinforced ring beams, support legs, and tie rods. All of these components reinforce the heavy silo hopper load and the entire silo structure.


Wide Flange Ring-Beam Support Structure

The silo's bracing system is designed to support the entire silo load to the greatest possible extent, especially considering wind and seismic requirements. If the silo diameter is ≥ 10m, two rings of the support structure are required.

Supporting Legs

The silo outriggers are made of high-strength H-beam with braces, and the number of silo outriggers varies with the capacity of the hopper.


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    Henan Herm Machinery Co., Ltd.

    Feed Production Line Solutions Supplier

    Zhoukou City, Henan Province, China.


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