Chemical & Fertilizer Industry Services
Retrofit | Capacity Enhancement | Conversion | Troubleshooting | Installation & Commissioning
CONSTROMECH
Bulk Raw Material Handling (Rock Phosphate, Sulphur, MOP, Urea)
Equipment Handled:
- Apron Feeders
- Pan Conveyors
- Wagon Unloading Drag Chains
- Stockpile Reclaimers
Services Offered:
- Retrofit of drop-forged central chains (250–315 mm pitch) for highly abrasive salt-based materials
- Bucket pan widening and upgrade for MOP & DAP bulkers
- Replacement of pans, guides, and sprockets with corrosion-resistant coatings
- Dust sealing & spillage control retrofits
Technical Insights:
- Capacity Increase: 600 → 1200 TPH via chain & drive RPM optimization
- Chain Life: 18,000–25,000 hrs (with EN8/EN24 materials)
- Extended Warranty on critical wear components
Process Zones – NPK/Urea/DAP Granulation & Coating
Equipment Handled:
- Coating Section Bucket Elevators
- Drag Chain Conveyors
- Flow Conveyors (Fine Granule Transfer)
Services Offered:
- Retrofit of corrosion-proof chain conveyors (Ni-hard bushes, PTFE-coated pins)
- Elevator bucket redesign (HDPE, Stainless Steel, or hybrid)
- Liner replacement using UHMWPE or ceramic tiles
- Chemical-resistant sprockets & wear plates installed
Technical Insights:
- Conveyed material: urea prills, DAP granules (bulk density ~0.9–1.2 T/m³)
- Belt or chain elevator lift height increment: 25–70 m
- Bucket life enhancement with HDPE or SS retrofitting
- Extended Warranty on critical wear components
Bagging & Packing Section
Equipment Handled:
- Flow Conveyors
- Belt Bucket Elevators (Fine Material Transfer)
- Telescopic Loading Conveyors
Services Offered:
- Belt conversion retrofits from central chain elevators (dust & noise reduction)
- Replacement of packing feed chains with stainless link chains (304L/316L)
- Dust containment covers and venting retrofits
- Discharge conveyor re-alignment and chute redesign
Technical Insight:
- Belt/Chain speed modification
- HD and steel bucket lifespan enhancement
- Extended Warranty on critical wear components
Sludge, Dust & Scrubber Residue Conveying
Equipment Handled:
- Flow Drag Conveyors
- Filter Cake Screw + Drag Hybrids
- Enclosed Scraper Chains
Services Offered:
- Chain replacement with SS-coated forged links for sludge zones
- Hybrid screw-conveyor + scraper installations for cake discharge
- Sealed casing retrofits for emissions & dust control
- UHMWPE-lined scrapers for zero buildup
Technical Insights:
- Chain pitch and scraper width modifications
- Application enhancement for gypsum cake, phosphate dust, ammonia sludge
- Service Life increment of Chains and Liners
- Extended Warranty on critical wear components
Acidic & Corrosive Handling Zones (Sulphuric Acid, Ammonia Gas Side)
Equipment Handled:
- Special Enclosed Drag Conveyors
- Vertical Screw + Bucket Combinations
- Coated Flow Systems
Services Offered:
- Installation of Ni-hard/SS-lined chains and wear plates
- Chain bushes with PTFE/silicon coatings
- Replacement of standard elevators with acid-resistant vertical conveyors
- Liner retrofits using FRP/UHMWPE sheets
Technical Insights:
- Conveyed material pH monitoring up to ~1–2 (extremely corrosive)
- Standard chain lifespan enhancement for various chemical grades
- Warranty against corrosion & chemical proofing add-ons optional
CONSTROMECH Technical Capabilities – Chemical & Fertilizer Applications
Specification |
Details / Standard Performance |
|---|---|
|
Chain Types |
Drop Forged, Corrosion-proof, Stainless Composite |
|
Chain Hardness |
50–58 HRC |
|
Pans & Buckets |
Hardened pans up to 400BHN |
|
Liner Materials |
Ceramic, FRP, UHMWPE, Ni-hard for wet/sludge zones |
|
Drive Systems |
Inline & hollow shaft gearboxes |
|
Warranty |
12–18 months standard |
Why CONSTROMECH for Fertilizer & Chemical Plants?
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