Flat Bottom Storage Steel Grain Bins

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Grain storage flour silos/bin (also called grain storage bins) are the efficient and economical facilities to handle your grains, 

which offer protection from outside insects and other affects as well as provide handling management conveniently.

All of our steel flour silos can be designed and installed with heat retaining layer to meet your special insulated grain storage demands.

Our innovative, high-quality flat bottom flour silos, hopper bottom flour silos, powder flour silos, feed flour silos, bucket 

elevators, dust collectors and grain storage control system are integrated as a system to satisfy your grain storage requirements.

Main Components of Steel Silos/Grain Bin

25º Sealed Roof

The special trapezoidal geometry of roof gives high strength and stiffness. The professional sealed technology 

enables tight connection of roof with the sidewall and keeps stored products from moisture.

Cylindrical Body
hopper bottom silos are made with body sheets and stiffeners, manufactured  

with structural galvanized steel S350GD of high elastic tolerance and the coating equivalent to 600 g/m2 of zinc.

Galvanized Bottom
The cone bottom made with galvanized steel provides strength to support the silo and keep 

longer life span up to 28 years. 45º hopper is easy to unload delicate materials like feed 

pellets and other products.

Access Ladder & Door
Shelley Brand high-strength galvanized ladders have roll-formed sides and stamped rungs to 

eliminate rung spin for easily climbing. The access doors gives the second ring to access to the interior of the silo.

Inspection Door
Shelley designs and installs the upper inspection door  on the top of the steel silos to check 

the content and condition of the grain and treatments with a flexible cover for full protection of 

moisture and safety.

Hopper Bottom Insulated Bins

Like Flat Insulated Bins, Hopper Bottom silos can also be designed and installed with heat retaining layer to 

meet your special insulated grain storage demands. Hopper bottom insulated bins are effective facilitates to 

keep the stored products in finest quality and constant temperature from the dewdrop and moldy influence. 

The insulated bins are widely used in places where the temperature is large difference between the day and 

night and humid sites like seaside, they are also widely used in places where the weather are very cold at all 

seasons which can influence the seed vitality. Steel insulated bins will keep the stored products in controlled 

condition. The capacities of our assembly hopper bottom bins can cover the capacities from 10 tons to 10000 tons. 

The thermal insulated bin has three layers, the first layer is the inside layer, it’s also the general silo component 

parts made with hot-dip galvanized corrugated steel sheets;  The second layer is the yellow part,  it is the insulating 

layer made with high-quality thermal insulation rock wool; The third layer is the colorful steel plate or galvanizing sheets.