Bucket Elevator For Silo

 

A bucket elevator for a silo is a type of vertical conveyor system used to transport bulk materials—such as grains, cement, fly ash, or other granular or powdered materials—from a lower level to a higher level, often for storage in a silo. These systems are widely used in industries such as agriculture, construction, power plants, and waste-to-energy plants.

Components of a Bucket Elevator

1. Buckets: Attached to the belt or chain, the buckets carry the material. They are usually made of materials like steel, plastic, or reinforced polymer.
2. Belt or Chain: The buckets are mounted on either a belt (rubber or fabric) or a chain (roller or link chain).
3. Head Section: Contains the drive mechanism, including the motor, gearbox, and head pulley.
4. Boot Section: Includes the bottom pulley and serves as the loading area for the material.
5. Casing: The enclosed structure that protects the elevator and ensures efficient vertical transport.
6. Discharge Chute: Guides the material from the buckets into the silo.
7. Drive System: A motor and gearbox assembly that provides power for the elevator.

Types of Bucket Elevators

1. Centrifugal Discharge: Best for handling dry, free-flowing materials. Material is thrown out of the buckets at high speed by centrifugal force.
2. Continuous Discharge: Ideal for fragile or sluggish materials. Buckets are spaced closer together to provide a more controlled discharge.
3. Positive Discharge: Designed for sticky or challenging materials. Uses a mechanism to actively discharge material from the buckets.

Advantages of Bucket Elevators

• Efficiency: Capable of handling large volumes of material vertically.
• Compact Design: Saves space compared to inclined conveyors.
• Versatility: Can handle various materials, from fine powders to large particles.
• Durability: Built to withstand harsh environments and abrasive materials.

Considerations for Design and Installation

1. Material Characteristics: Abrasiveness, moisture content, and particle size influence the choice of bucket type and elevator design.
2. Capacity Requirements: Determines the bucket size, speed, and overall elevator dimensions.
3. Silo Height: Dictates the length of the elevator and power requirements.
4. Environmental Conditions: Corrosion resistance and dust control measures may be necessary in certain environments.
5. Maintenance: Easy access to components like buckets, belts, or chains for inspection and replacement is critical.

 

Bucket Conveyors – Bulk Handling | Material Handling Products

Bucket elevator is designed for vertical transportation powder, granular materials and small block and grinding of small materials, such as: coal, cement, stones, sand, clay, ore and so on.

Model	Type	Capacity (m³/h)		Hopper					Drive Revolving Speed	Max Size	Elevating Height
				Volume		Bucket Pitch	Bucket Width	Speed
		Deep Bucket	Shallow Bucket	Deep Bucket	Shallow Bucket	(mm)	(mm)	(m/s)	(r/min)	(mm)	(m)
TD160	Belt Type	16.00	9.0	1.20	0.49	350/280	160	1.40	67	25	4.28~39.28
TD250	Belt Type	38.00	20.00	3.00	1.12	450/360	250	1.60	61	35	3.84~38.94
TD315	Belt Type	42.00	28.00	3.75	1.95	500/400	315	1.60	61	45	4.298~38.798
TD450	Belt Type	68.00	40.00	5.90	3.10	560/480	400	1.80	55	55	3.4-38.68