Centrifugal Discharge Bucket Elevator Manufacturer in India
Centrifugal Discharge Bucket Elevator Manufacturer in India
High-capacity centrifugal discharge bucket elevators for cement, fly ash, grain, fertilizer, coal, and mineral powder vertical handling. Belt type and chain type. Up to 200 TPH capacity, up to 40 m lift height. Custom-engineered in Ghaziabad, with PAN India installation.
- Centrifugal throw discharge
- Belt or chain type
- Up to 200 TPH
- Up to 40 m lift
- MS / SS casing
FIG. 01 — GENERAL ARRANGEMENT, CENTRIFUGAL BUCKET ELEVATOR
What is a Centrifugal Discharge Bucket Elevator?
A centrifugal discharge bucket elevator uses high belt/chain speed to generate centrifugal force at the head pulley, throwing material from the buckets into the discharge chute without the bucket needing to tip. This makes it the highest-throughput, lowest-cost bucket elevator type for free-flowing bulk materials.
How centrifugal discharge works
Buckets are spaced apart on the belt or chain, typically one to two bucket widths apart. As the belt runs at high speed, typically 1.0–2.0 m/s, the loaded buckets travel upward inside the sealed casing. At the head pulley, the combination of the pulley's rotational speed and the belt velocity creates centrifugal force, throwing material out of the bucket and into the discharge chute before the bucket has even rounded the top of the pulley. No bucket tipping is required.
When centrifugal discharge is the correct choice
Centrifugal discharge is correct for free-flowing, granular, or fine bulk materials not degraded by the centrifugal throw at discharge, cement, fly ash, grain, fertilizer, sand, coal dust, limestone powder, and mineral powders. It is not correct for fragile materials, sticky materials, or materials with high segregation sensitivity, which require the continuous discharge type instead.
Key components
Free capacity calculation included: share your material name, bulk density, required TPH, and lift height. Our engineers calculate bucket size, spacing, belt/chain speed, and motor power, and send a GA drawing with quotation at no charge. Send material details
How a Centrifugal Bucket Elevator Works
Four stages, from material infeed at the boot to centrifugal discharge at the head, that must all be precisely engineered for rated TPH without spillage or belt slip.
Boot — Material Infeed & Bucket Filling
Material enters the boot section through a feed inlet. As buckets travel past the boot pulley, they scoop material from the boot, filling each bucket with a metered charge. Fill factor is typically 75–85% for centrifugal type, calculated per material flowability.
Vertical Lift — Carrying Run
Loaded buckets travel upward inside the sealed casing on the carrying run of the belt/chain. The enclosed casing prevents dust emission during the lift. Belt speed is higher than continuous type, typically 1.0 to 2.0 m/s, to generate sufficient centrifugal force at the head.
Head — Centrifugal Discharge
At the head pulley, the combination of pulley rotation and belt speed generates centrifugal force. This force throws material out of each bucket and into the discharge chute before the bucket rounds the top. No tipping required.
Return — Empty Buckets
Empty buckets return downward inside the same sealed casing on the return run. A sealed casing prevents spillage and dust emission on the return path. Belt cleaners at the head remove any material adhering to the belt before return.
Engineering note: capacity (TPH) equals bucket volume times fill factor times number of buckets per minute times bulk density. The centrifugal type achieves higher TPH per unit width than continuous type at the same casing size, send your material data for a free calculation.
Advantages of Centrifugal Discharge Bucket Elevators
Five engineering advantages that make the centrifugal discharge type the most widely used bucket elevator in Indian cement, power, grain, and fertilizer industries.
High Capacity Material Handling
High belt/chain speed and spaced buckets achieve the maximum TPH per unit of casing cross-section, 2–3× the throughput of a continuous type elevator of the same casing size, at lower construction cost.
Continuous Material Flow
Continuous belt motion means continuous material flow from boot to discharge, no intermittent stop-start that batch conveying systems require. Ideal for downstream processes needing uninterrupted supply.
Reduced Operating Costs
Lower cost per tonne elevated than pneumatic conveying, skip hoists, or screw elevators for equivalent capacities and heights. Enclosed casing eliminates dust loss.
Compact Vertical Design
The smallest floor footprint of any conveyor system for equivalent TPH and lift height. Ideal where horizontal space is limited, cement plants, grain silos, fertilizer plants.
Suitable for Fine Bulk Materials
The centrifugal discharge mechanism reliably handles fine powders, granular materials, and small-lump materials, where troughed belts would scatter and pneumatic systems would require high pressure.
Fully Enclosed Dust-Free Operation
Complete casing from boot to head with sealed joints eliminates dust emission during lifting, critical for cement, fly ash, and pharma applications with pollution control board compliance.
Materials Suitable for Centrifugal Discharge Bucket Elevators
Centrifugal discharge is the correct choice for free-flowing, granular, and fine bulk materials, where the centrifugal throw at discharge does not cause unacceptable degradation or dust generation.
Cement
Raw meal, cement powder, and OPC/PPC at raw mill, kiln, and packing plant discharge points. Bulk density 1.0–1.5 t/m³.
Fly Ash
ESP and bag filter fly ash at thermal power plants and cement plants. Low bulk density, casing must be sealed against airborne dust.
Coal
Coal dust and small-lump coal (up to 50 mm) at power plants, cement kilns, and chemical plants. Belt type for ambient temperature; chain type for abrasive coal.
Fertilizer
Urea, DAP, MOP, and NPK granules at blending plants and bagging lines. Sealed casing prevents moisture absorption for hygroscopic materials.
Grain
Wheat, rice, maize, soybean, and pulses at grain silos and mills. Plastic (HDPE/nylon) buckets prevent metal contamination and grain breakage.
Sand
Dry sand, silica sand, and foundry sand at mixing and processing plants. MS buckets with abrasion-resistant liner for high-silica abrasive grades.
Mineral Powders
Limestone powder, barite, calcium carbonate, gypsum, talc, and mineral processing powders. Fine-grain sealed casing prevents dust and airborne loss.
Salt & Sugar
Industrial salt, table salt, and refined sugar at processing and packing plants. SS304 casing with plastic buckets for corrosive or food-safe applications.
Not suitable for: large-lump clinker, minerals above 50 mm lump size, fragile materials that break on centrifugal impact, or sticky/wet materials. For these, the Continuous Discharge Bucket Elevator is the correct choice.
Industries Using Centrifugal Bucket Elevators
The centrifugal discharge bucket elevator is the most widely deployed vertical conveyor in Indian heavy industry, wherever large volumes of free-flowing bulk material must be elevated with minimum floor space.
Cement Plants
Raw meal, cement powder, and limestone dust elevation between grinding mills, preheaters, silos, and packing lines. Heavy-duty for 24×7 kiln operation at 50–200 TPH.
Power Plants
Fly ash elevation from ESP hoppers and silos at thermal power plants. Coal dust handling from crusher to bunkers. Dust-tight sealed casing meets PCB emission compliance.
Mining Industry
Mineral powder, ore fines, and processed mineral elevation between processing stages. Sealed casing for high-dust mining environments.
Fertilizer Industry
Urea, DAP, MOP, and NPK granule elevation at blending, bagging, and bulk storage facilities. Corrosion-resistant belt and SS casing options.
Food Processing Industry
Grain, flour, sugar, salt, and food ingredient elevation at mills and processing facilities. Plastic buckets and food-grade casing for food safety compliance.
Chemical Plants
Chemical powder, pigments, and industrial chemical granule elevation at production and blending facilities. Explosion-proof motor options for hazardous areas.
Technical Specifications
All centrifugal discharge bucket elevators are made-to-order. Every project starts with your material bulk density, required TPH, and lift height, bucket size, spacing, belt/chain speed, and motor power are calculated from these inputs.
| Discharge type | Centrifugal, high-speed throw at head pulley |
|---|---|
| Drive type | Belt (rubber EP/NN) or chain (drop-forged steel) |
| Capacity | Up to 200 TPH (calculated per material) |
| Lift height | Up to 40 m standard; custom for greater heights |
| Bucket width | 100 mm to 600 mm |
| Bucket spacing | Spaced, 1 to 2 bucket widths apart |
| Belt speed | 1.0 m/s to 2.0 m/s (centrifugal discharge) |
| Casing material | MS (3–6 mm) / SS304 / SS316 |
| Casing construction | Sealed joints, access doors, inspection windows |
| Discharge configuration | Single discharge chute at head |
| Take-up | Screw take-up at boot (standard) |
| Motor | VFD-compatible geared motor; explosion-proof options |
| Power supply | 415 V, 3 Phase, 50 Hz |
Bucket Types
Standard for cement, sand, limestone, coal, and abrasive industrial materials. Heavy-duty welded construction, with rubber or AR-steel liners for highly abrasive materials.
High-density polyethylene, for grain, fertilizer, salt, and food-grade applications where metal contamination must be avoided. Most popular for grain elevators.
Nylon (PA6/PA66), for chemical, pharma, and high-impact applications, suitable for high-temperature materials up to 120°C.
Belt & Chain Options
Most common, for cement, grain, fertilizer, fly ash, and ambient-temperature materials up to 80°C. Lower cost, easier maintenance.
Steel cord (ST) reinforced rubber belt for high-tensile strength at tall lift heights above 30 m or very high capacities.
Drop-forged steel chain for abrasive, high-temperature (up to 250°C), or very heavy bulk materials where belt degradation limits service life.
Drive Arrangement
Motor directly coupled to head shaft via flexible coupling, for lower-capacity elevators where high starting torque is not required.
Helical gearbox between motor and head shaft, provides torque multiplication and precise head shaft speed setting. Most common configuration.
- Cement powder
- Fly ash
- Raw meal
- Coal dust
- Limestone dust
- Wheat & grain
- Rice & husk
- Maize & soybean
- Sugar & salt
- Fertilizer (urea)
- DAP & potash
- Sand & silica
- Mineral powders
- Pet coke (fines)
- Gypsum powder
- Biomass pellets
Download Bucket Elevator Catalogue
Specifications, bucket types, capacity tables, PDF, free.
Belt Type vs Chain Type Bucket Elevators
Both belt type and chain type can be configured as centrifugal discharge, the choice between them is determined by material temperature, abrasiveness, and required service life.
| Factor | Belt type (rubber EP/NN) | Chain type (forged steel) |
|---|---|---|
| Material temperature | Up to 80°C (standard) | Up to 250°C (heat-resistant) |
| Abrasiveness | Low to medium abrasion | High abrasion, chain outlasts belt |
| Capacity range | Up to 200 TPH | Up to 200 TPH |
| Capital cost | Lower, belt cheaper than chain | Higher, forged chain costs more |
| Maintenance | Belt replacement, straightforward | Chain lubrication and link inspection |
| Best materials | Cement, grain, fly ash, fertilizer | Hot clinker, abrasive ore, coal (above 80°C) |
| Noise level | Quieter, rubber belt dampens vibration | Higher, chain and sprocket engagement |
Centrifugal vs Continuous Discharge Bucket Elevators
The discharge mechanism, not the belt/chain, is the most fundamental design decision for a bucket elevator.
| Factor | Centrifugal discharge (this page) | Continuous discharge |
|---|---|---|
| Operating speed | High speed, maximum throughput | Low speed, gentle handling |
| Discharge mechanism | Centrifugal throw, no tipping needed | Gravity tipping, no centrifugal impact |
| Bucket spacing | Spaced, 1–2 widths apart | Closely spaced, chain |
| Best material | Free-flowing, cement, grain, fertilizer | Fragile or lumpy, clinker, coal |
| Material degradation | Risk with fragile materials | Minimal, no centrifugal impact |
| Capital cost | Lower, simpler design | Higher, more buckets, closer spacing |
| TPH per casing size | Higher, high speed | Lower, slow speed |
| Typical industries | Cement, power, grain, fertilizer | Cement clinker, coal, mining, minerals |
Need gentle discharge for clinker, coal, or lumpy material? Continuous Discharge Bucket Elevator →
Centrifugal Bucket Elevators — Live at Customer Plants
Real Neo Conveyors centrifugal discharge bucket elevator installations, cement, grain, and fly ash handling in operation at customer plants across India.
More installation videos: youtube.com/@neoconveyors
Recent Centrifugal Discharge Bucket Elevator Installations
Four recent projects with full engineering parameters, demonstrating real-world capacity, lift height, material, and results achieved at customer plants across India.
Sponge Iron Plant — Odisha
Sponge iron plant needed iron ore fines (bulk density 2.2 t/m³, up to 25 mm lump) elevated 22 m at 80 TPH for kiln feed. High abrasiveness ruled out belt type; drop-forged chain with MS deep buckets installed.
- Chain type, operating 20 months without replacement
- 80 TPH sustained 24×7 kiln feed
- vs 6-month belt life on previous elevator
Cement Plant — Rajasthan
Cement plant needed raw meal (bulk density 1.1 t/m³) elevated 35 m from raw mill discharge to blending silo at 150 TPH. Tall lift height required EP400/3 steel-reinforced belt with screw take-up tensioner.
- 35 m lift, single drive motor, no intermediate pulleys
- 150 TPH, 24×7 blending silo feed for 14 months
- Zero dust at casing joints, PCB inspection passed
Fly Ash Handling System — Uttar Pradesh
Thermal power plant needed fly ash (bulk density 0.8 t/m³, abrasive) elevated 18 m from ESP hopper to silo at 60 TPH. Chain type with extra-sealed MS casing and explosion-proof motor for Zone 2 classification.
- Explosion-proof motor, Zone 2 certification passed
- Zero fly ash leakage, all PCB tests passed
- Running 16 months, no chain replacement needed
Grain Processing Plant — Haryana
Grain processing facility needed wheat and paddy elevated 15 m at 40 TPH between intake pit and storage silos. HDPE plastic buckets specified to prevent metal contamination, with food-grade sealed casing.
- HDPE buckets, zero metal detection alerts downstream
- Grain breakage under 0.3% vs 1.8% on old elevator
- 40 TPH sustained across 3-shift grain intake season
Why Choose Neo Conveyors?
Every centrifugal discharge bucket elevator is designed from your material data, fabricated in-house at our Ghaziabad plant, and installed by our own engineers. No dealers, no sub-contractors.
Custom Engineered Since 2007
Every elevator starts with your material's bulk density, abrasiveness, temperature, and required TPH, then bucket type, drive type, and belt/chain selection are calculated. Not adapted from a catalogue.
1,000+ Conveyor Installations
18+ years of bucket elevator projects across cement, power, grain, mining, fertilizer, and chemical industries. References available from clients in your sector.
Heavy-duty Industrial Design
MS casing fabricated from 3–6 mm plate with welded sealed joints, not bolted sheet metal. All assembled and tested at our Ghaziabad plant before despatch.
PAN India Installation
Installation, casing erection, belt/chain fitting, alignment, and commissioning by Neo Conveyors' own team across all Indian states. No third-party erection contractors.
All Bucket Materials Available
MS, HDPE, and nylon buckets all stocked and supplied in-house. The correct bucket material for your product specified at no extra charge.
Spare Parts & AMC Support
Replacement belts, chains, buckets, pulleys, and sprockets stocked for all models. Annual Maintenance Contracts and rapid-response belt replacement service available PAN India.
Frequently Asked Questions
What is a centrifugal discharge bucket elevator?
A centrifugal discharge bucket elevator is a high-speed vertical conveyor that uses buckets attached to a belt or chain to lift bulk materials from a lower feed point, the boot, to a higher discharge point, the head. At the head, the high rotational speed of the head pulley generates centrifugal force, throwing material from the spaced buckets into the discharge chute without the bucket needing to tip.
How does it differ from a continuous discharge elevator?
Centrifugal discharge elevators run at high speed, centrifugal force throws material from spaced buckets into the chute, giving the highest throughput and lowest cost for free-flowing materials. Continuous discharge elevators run slowly, closely spaced buckets tip material gently into the chute without centrifugal impact, required for fragile materials that would degrade under centrifugal force.
What materials can centrifugal discharge bucket elevators handle?
They handle cement powder, fly ash, raw meal, coal dust up to 50 mm lump, limestone dust, wheat, rice, maize, soybean, sugar, salt, fertilizer, sand, silica, mineral powders, pet coke fines, gypsum, and any free-flowing dry bulk material not degraded by centrifugal discharge impact. They are not suitable for large-lump materials above 50 mm, fragile materials, or sticky or wet materials.
What capacities are available?
Neo Conveyors manufactures centrifugal discharge bucket elevators up to 200 TPH capacity and up to 40 metres lifting height as standard, with custom designs available for greater heights and capacities. Share your material name, bulk density, required TPH, and lift height for a free capacity calculation.
When should I choose belt type over chain type?
Choose belt type when material temperature is below 80°C, abrasiveness is low to moderate, and capital cost is a priority. Choose chain type when material temperature exceeds 80°C, abrasiveness is high, or a longer service life is required between replacement.
Can it be customised?
Yes, every centrifugal discharge bucket elevator is made-to-order. Elevator height, capacity, drive type, bucket material, casing material, casing thickness, motor specification, and ancillaries are all specified based on your material, required TPH, and site conditions. A GA drawing is included with every quotation at no charge.
What industries use centrifugal bucket elevators?
Centrifugal discharge bucket elevators are used in cement plants, thermal power plants, mining, fertilizer plants, grain and food processing, and chemical plants, the most widely deployed bucket elevator type in Indian industry for free-flowing bulk materials.
How much does a centrifugal discharge bucket elevator cost in India?
Price depends on elevator height, capacity, drive type, bucket material, casing material, and motor specification. Belt-type elevators for standard materials are most economical; chain-type SS casing elevators with explosion-proof motors cost significantly more. Contact Neo Conveyors at +91-9654112235 for a no-obligation quotation.
Centrifugal Bucket Elevator — Service Locations Across India
Manufactured at the Ghaziabad facility, installed and commissioned by Neo Conveyors' own engineers at cement plants, power plants, grain silos, fertilizer plants, and chemical plants across all Indian states.
Uttar Pradesh
Ghaziabad (HQ & Plant), Noida, Greater Noida, Lucknow, Kanpur, Agra, Meerut, Moradabad, Mathura, Aligarh, Bareilly, Gorakhpur, Varanasi, Sahibabad
Delhi NCR
New Delhi, Gurugram, Faridabad, Manesar, Bhiwadi, Bawal, Neemrana, Sonipat, Kundli, Rohtak
Haryana
Panipat, Ambala, Hisar, Karnal, Yamunanagar, Rewari, Palwal, Kurukshetra
Punjab
Ludhiana, Amritsar, Jalandhar, Patiala, Bathinda, Mohali, Phagwara
Himachal Pradesh & Uttarakhand
Baddi, Solan, Haridwar, Roorkee, Rudrapur, Dehradun, Kashipur
Rajasthan
Jaipur, Jodhpur, Udaipur, Kota, Ajmer, Alwar, Bhiwadi, Chittorgarh, Sikar
Gujarat
Ahmedabad, Surat, Vadodara, Rajkot, Gandhinagar, Bharuch, Anand, Vapi, Morbi, Mundra
Maharashtra
Mumbai, Pune, Nagpur, Nashik, Aurangabad, Thane, Navi Mumbai, Solapur, Kolhapur, Pimpri-Chinchwad, Chakan
Madhya Pradesh & Chhattisgarh
Indore, Bhopal, Jabalpur, Pithampur, Raipur, Bhilai, Korba, Bilaspur
Telangana & Andhra Pradesh
Hyderabad, Secunderabad, Visakhapatnam, Vijayawada, Guntur, Kakinada, Tirupati
Tamil Nadu
Chennai, Coimbatore, Madurai, Salem, Tiruchirappalli, Hosur, Erode, Vellore
Karnataka
Bangalore, Mysuru, Hubli, Mangaluru, Tumkur, Belagavi
Kerala
Kochi, Thiruvananthapuram, Kozhikode, Thrissur, Kollam, Kannur
East India
Kolkata, Howrah, Durgapur, Asansol, Bhubaneswar, Patna, Ranchi, Jamshedpur, Bokaro, Dhanbad
North East & International
Guwahati, Dibrugarh, Shillong, UAE (Dubai / Abu Dhabi), Bangladesh, Nepal, Sri Lanka, Africa
Request a Free Quote — Capacity Calculation Included
Share your material name, bulk density, required TPH, and lift height. Our engineers calculate bucket type, drive type, belt/chain speed, and motor power, and send a GA drawing with quotation at no charge within 24–48 hours.
Contact / Footer CTA
G-414, UPSIDC Phase-II, Ghaziabad, Uttar Pradesh
+91-9654112235 · sales@neoconveyors.com
