English
A hopper bottom silo is a type of silo that has a conical or pyramidal bottom. This type of silo is designed to allow material to flow out of the bottom of the silo by gravity. Hopper bottom silos are typically made of steel or concrete and are used to store a variety of materials, including grain, wood chips, and sand.
| Cone base model | Flat bottom/semi-Cone base silo | |||||||||||||||||||
| Silo top angle | 30° | |||||||||||||||||||
| Specification(m) | φ12.8 | φ13.7 | φ14.6 | φ15.5 | φ16.5 | φ17.4 | φ18.3 | φ19.2 | φ20.1 | φ21. | φ22 | φ22.9 | φ23.8 | φ24.7 | φ25.6 | φ26.5 | φ27.5 | |||
| Diameter（m) | 12.84 | 13.751 | 14.668 | 15.584 | 16.51 | 17.418 | 18.335 | 19.251 | 20.163 | 21.085 | 22 | 22.918 | 23.835 | 24.752 | 25.669 | 26.585 | 27.5 | |||
|
3.4 | 3.5 | 3.76 | 4.03 | 4.30 | 4.56 | 4.82 | 5.09 | 5.35 | 5.62 | 5.88 | 6.15 | 6.41 | 6.67 | 6.94 | 7.20 | 7.47 | |||
| Base Area （m） | 129.5 | 148.6 | 169 | 190.8 | 214 | 238.4 | 264 | 291.2 | 319.3 | 349.3 | 380.4 | 412.7 | 446.4 | 481.4 | 518.4 | 555.3 | 594.3 | |||
| Plate Qty.in circle | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |||
| Cone height 42° | ||||||||||||||||||||
| Cone area m³ | ||||||||||||||||||||
| Corn and wheat less volume m³ | 26.0 | 29.0 | 30.0 | |||||||||||||||||
| Paddy less volume m³ | 120.0 | 143.0 | 170.0 | |||||||||||||||||
| Layer 4 | Eave height（m）4.48 | Flour silo | φ2.5 | |||||||||||||||||
| 5 | 5.6 | φ2.92 | ||||||||||||||||||
| 6 | 6.72 | φ3.333 | ||||||||||||||||||
| 7 | 7.84 | φ3.75 | ||||||||||||||||||
| 8 | 8.96 | φ4.16 | ||||||||||||||||||
| 9 | 10.08 | φ4.58 | ||||||||||||||||||
| 10 | 11.2 | 2080 | ||||||||||||||||||
| 11 | 12.32 | 2277 | ||||||||||||||||||
| 12 |
|
1755 | 2474 | 3907 | ||||||||||||||||
| 13 | 14.56 | 1915 | 2328 | 2671 | 3418 | 4213 | ||||||||||||||
| 14 | 15.68 | 2075 | 2500 | 2868 | 3237 | 3647 | 4066 | 4519 | 5005 | 5507 | 6050 | 6581 | 7135 | 7782 | 7822 | 9095 | 9793 | 10471 | ||
| 15 | 16.8 | 2235 | 2672 | 3065 | 3868 | 3876 | 4342 | 4825 | 5343 | 5877 | 6455 | 7022 | 7611 | 8300 | 8380 | 9695 | 10437 | 11160 | ||
| 16 | 17.92 | 2395 | 2844 | 3262 | 4089 | 4105 | 4618 | 5131 | 5681 | 6247 | 6860 | 7463 | 8087 | 8818 | 8938 | 10295 | 11081 | 11849 | ||
| 17 | 19.04 | 2555 | 3016 | 3459 | 4310 | 4334 | 4894 | 5437 | 6019 | 6617 | 7265 | 7904 | 8563 | 9336 | 9496 | 10895 | 11725 | 12538 | ||
| 18 | 20.16 | 2715 | 3188 | 3656 | 4531 | 4563 | 5170 | 5743 | 6357 | 6987 | 7670 | 8345 | 9039 | 9854 | 10054 | 11495 | 12369 | 13227 | ||
| 19 | 21.28 | 2875 | 3360 | 3853 | 4752 | 4792 | 5446 | 6049 | 6695 | 7357 | 8075 | 8786 | 9515 | 10372 | 10612 | 12095 | 13013 | 13916 | ||
| 20 | 22.4 | 3532 | 4050 | 4973 | 5021 | 5722 | 6355 | 7033 | 7727 | 8480 | 9227 | 9991 | 10890 | 11170 | 12695 | 13657 | ||||
| 21 | 23.52 | 5998 | 6661 | 7371 | 8097 | 8885 | 9668 | 10467 | 11408 | 11728 | 13295 | 14301 | ||||||||
Hopper bottom silos are widely used in industries that require efficient and frequent material discharge. Thanks to their conical design, they are ideal for storing free-flowing materials such as grains, seeds, feed, and pellets. These silos are commonly applied in agriculture, feed mills, grain processing plants, and small to medium-scale storage facilities where quick turnaround and easy cleaning are essential.
A hopper bottom silo is a type of storage silo designed with a conical (hopper-shaped) base that allows materials to discharge automatically by gravity. Unlike flat bottom silos, it is typically supported by a steel frame, keeping stored materials elevated and protected from ground moisture.
This design ensures efficient unloading, minimal residue, and reduced risk of clogging, making it especially suitable for free-flowing materials such as grains, feed, powders, and pellets. In addition, hopper bottom silos are compact, easy to maintain, and require less reliance on mechanical discharge systems.
Due to these advantages, they are widely used in agriculture, food processing, chemical, and construction industries. For a more detailed breakdown of structure, benefits, and applications, see full guide [What is Hopper Bottom Silo].
A hopper bottom silo, also known as a conical bottom silo, is a highly efficient solution for bulk material storage, designed with a sloped base for gravity-assisted discharge.
One of its key advantages is efficient material flow, allowing smooth and continuous unloading with minimal residue—ideal for operations requiring frequent discharge. The cone angle can be customized based on material type, reducing the risk of clogging or bridging, especially for powders and fine materials.
Its compact, space-saving design makes it perfect for facilities with limited space, while still offering strong storage capacity. In addition, hopper bottom silos are versatile, suitable for handling grains, feed, powders, and other bulk materials across multiple industries.
Built with durable steel and supported by robust structures, they ensure long-term reliability and structural stability, even for large-scale storage. Custom design options further allow businesses to tailor the silo to their exact needs.
For a deeper understanding of its structure, benefits, and applications, see detailed guide [Why Choose a Hopper Bottom Silo?].
