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Hopper bottom silos are discharged automatically with quality unloading systems.They can store any flowable commondity from grain,feed,seed,wooden pallets,plastic pellets and sawdust.
Hopper angles can be 45° and 60°,among which 60° conical bottom is usually used to store larger pellet and powder materials with high viscosity.
All silos include
Boda silo itself includes these components that come free of charge (the silo diameter should be equal to or more than 5.5m)
l Roof Natural vents
l Roof guardrail
l Roof manhole
l Roof ladders
l Silo door
l Silo door platform
l Inside and outside ladders on silo body


The products are designed comply with the national standard of GB50322-2001<<The Grain Code of Steel Silo Design>>, also does the quality comply with People’s Republic of China agricultural industry standards NY/T 647-2002<<Quality Evaluation Norms of Steel Silo>>.Our products are made of high-quality galvanized sheet, which make the life cycle of silos can come up to 30-50years long.

Main structure of BODA Steel Hopper Bottom Storage Silo | |||
Item | Materials | Quality Standard | Features |
Roof Sheet | By Hot Dip Galvanized Steel Plate, | China National Standard with Factory Quality Report | Our Corrugated Steel Plate Production Line is controlled by advanced CNC equipments |
Natural vents | By Hot Dip Galvanized Steel Plate, | China National Standard with Factory Quality Report | Production Line is controlled by advanced equipments |
Manhole | By Hot Dip Galvanized Steel Plate, | China National Standard with Factory Quality Report | Production Line is controlled by advanced equipments |
Simple roof ladder | By Hot Dip Galvanized Steel Plate, | China National Standard with Factory Quality Report | Assembly type, Production Line is controlled by advanced equipments |
Roof handrail | By Hot Dip Galvanized Steel Pipe | China National Standard with Factory Quality Report | Assembly type, Production Line is controlled by advanced equipments |
Body Sheet | By Hot Dip Galvanized Steel Plate, | China National Standard with Factory Quality Report | Our Corrugated Steel Plate Production Line is controlled by advanced CNC equipments |
Bolts and nuts | Hot Dip Galvanized, Strengthened, with hex flange for Max Sealing | Quality Strength Report | Hot dip galvanized with longer life |
Other sealant | Like as washers and caulking strip | China National Standard with Factory Quality Report | Purchased from reliable qualified suppliers |
Rib Stiffeners | Sidewall stiffeners are manufactured from min. 450 N/mm² tensile high strength steel. This type of stiffeners easily transit the vertical loads during loading or unloading | China National Standard with Factory Quality Report | Can be inside or outside. Rigorous calculation to meet full silo strength safety |
Wind Ring | The wind ring is attached directly to the stiffeners. The rings strengthen the silo providing reinforcement against damaging wind. | China National Standard with Factory Quality Report | Rigorous calculation to meet the anti-wind needs for sea port area or windy area |
Silo door with platform | A standard manhole door is located in the second ring of the silo. Double size door with strong frame and block system. | China National Standard with Factory Quality Report | Easy to inspect and maintenance. |
Vertical Ladders | We offer both inside and outside ladders for most silos.The outside kinds have handrail or safety guard. | China National Standard with Factory Quality Report | Can be installed inside and outside of the silo body, Easy to inspect and maintenance. |
Steel hopper | Including hopper bottom sheets, steel support legs made by H beam, lintel girder made by channel beam and braces made of angle steel between legs. | China National Standard with Factory Quality Report | Automatic-flow unloading; easily to be installed; save foundation and operation resources and costs; less grain residues in steel insulated rice storage silo; |
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