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Hopper Bottom Silo


hopper bottom silo, commonly known as a conical bottom silo or hopper bottom silo, is a specially designed storage silo with one or more conical

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Hopper Bottom Silo Introduction

A hopper bottom silo, commonly known as a conical bottom silo or hopper bottom silo, is a specially designed storage silo with one or more conical or hopper-shaped structures at the bottom to facilitate the flow of materials and reduce the risk of clogging. This design is particularly useful for storing bulk materials that are prone to agglomeration or have poor flow characteristics, such as certain types of grains, feedstuffs, and chemical raw materials.

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Features of hopper bottom silo

Hopper Design

The bottom is shaped into a hopper, which aids in the gravitational flow of materials.

Promotes Flow

The hopper shape reduces dead zones in material storage, facilitating even flow and reducing the dwell time of materials.

Reduces Clogging

The hopper bottom design minimizes blockages caused by moisture, agglomeration, or other reasons.

Ease of Discharge

Materials can be smoothly discharged from the hopper’s outlet or discharge valve, facilitating automated and mechanized operations.

Structural Stability

espite the hopper shaped bottom, the entire silos must maintain adequate stability and strength.

Easy to Clean and Maintain

The hopper bottom design makes cleaning and maintenance relatively easy, helping to keep the stored materials hygienic and of high quality.


Suitable for storing a variety of materials, especially those that require special attention to flow and clogging issues.

Improves Efficiency

By optimizing material flow, hopper bottom silo can enhance the efficiency of the entire material handling and supply chain processes.

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Hopper bottom silo structure

Silo Body

This is the vertical or inclined part of the silo that contains and stores the material.

Roof Structure

Includes components that cover the top of the silo, which may feature vents, manhole covers, and other structures necessary for maintenance and operation.


The sidewalls of the silo, typically made of corrosion- and wear-resistant materials to protect the silo from erosion by the stored material.

Hopper Bottom

The distinctive feature of a hopper-bottom silo, with the bottom designed in a conical or hopper shape to facilitate material flow and reduce clogging.

Discharge Outlet

Located at the lowest point of the hopper bottom, used for releasing the stored material.

Ventilation System

Comprises natural or mechanical ventilation equipment to control the internal temperature and humidity of the silo, preventing the material from becoming damp or spoiling.

Inlet and Outlet System

Comprises conveying equipment for filling the silo with material and a system for discharging material from the silo.

Support Structure

Supports the entire silo, ensuring its stability.


The supporting part of the silo, typically made of concrete or other stable materials to ensure the silo’s stability and durability.

Advantages of hopper bottom silo

Good flowability

The design at the bottom of the hopper facilitates better material flow, reducing the likelihood of adhesion and blockages, common issues with sticky or adhesive materials.

Efficient discharge

Thanks to the sloped bottom of the hopper, materials can be discharged more efficiently and completely.


Compared to flat bottom silos, hopper bottom silo are more compact, occupying less space, making them a space-saving storage solution.

Ease of management and maintenance

The simple structure of the silo makes it relatively easy to clean, maintain, and manage, allowing operators to monitor and maintain it more easily.

Improved production efficiency

Hopper bottom silo can help streamline the production process, reducing material handling time and costs, thereby improving production efficiency.


They can be used for various bulk materials, not only in agriculture but also in industries such as chemical, food processing, and mining.


While the initial construction costs may be higher due to the complexity of the bottom design, the benefits of reduced maintenance and improved efficiency can make hopper bottom silo a cost-effective solution in the long run.


The size and capacity of hopper bottom silo can be expanded according to storage needs, allowing for flexibility in operations.

Application scope of Hopper bottom silo

Coban  Silo is widely used for grain storage such as wheatcornsoybeanpaddyricesoybean mealbarleymaltsunflower seedsrapeseedpeanutsflour, and other powder materials, oat, special Silo, and seeds, etc. Steel silo products include 100 ton300 ton500 ton1000 ton2000 ton3000 ton, 5000 ton and 10000 ton steel silo as well as metal silospiral silo and galvanized silo.

Hopper bottom 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
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