Thermal Power Plant Services
Retrofit | Capacity Enhancement | Conversion | Troubleshooting | Installation & Commissioning
CONSTROMECH
Wagon Tippler & Track Hopper System
Equipment Handled:
- Rotary Wagon Tippler
- Apron Feeders (Under Track Hoppers)
- Belt & Chain Conveyors to Crusher House
Services Offered:
- Forged chain and apron replacement (from 250 mm to 315 mm pitch)
- Drive system upgrade with higher torque gearboxes
- Conversion of old cast apron pans to modular hardened plate pans
- Hopper realignment & vibration dampening for impact zones
Technical Insights:
- Throughput upscaling e.g. 800 TPH → 1500 TPH
- Chain service life enhancement
- Extended Warranty
Crusher House & Coal Transfer
Equipment Handled:
- Drag Chain Feeders
- Belt Conveyors
- Pan Conveyors to Bunker
Services Offered:
- Retrofitting of drop-forged drag chains with hardened scraper flights
- Sprocket ring upgrades with tooth hardness > 55 HRC
- Belt-to-pan conveyor conversion for damp/abrasive ROM
- Commissioning of zero-spillage feed chutes and gate valves
Technical Insights:
- Speed range enhancement
- Chain pitch modifications
- Service Life increment
- Extended Warranty
Bunker Feeding & Pulverizer Feed System
Equipment Handled:
- Bucket Elevators
- Drag Chain Conveyors
- Volumetric Feeders
Services Offered:
- Chain pitch upgrade (e.g. from 26 mm → 30/34 mm) to increase lift capacity
- Re-alignment of elevator casing, sprockets, and drive shaft assemblies
- Addition of belt tensioning & snub pulley for converted belt elevators
- Sealing retrofits to avoid dust leakage and product loss
Technical Insight:
- Bucket elevators capable of 60–75 m lift
- Capacity enhancement: e.g. 150 TPH→ 300 TPH
- Extended Warranty
ESP & Fly Ash Collection System
Equipment Handled:
- Flow Conveyors
- Drag Chain Conveyors
- ESP Hopper Discharge Chutes
Services Offered:
- Full chain loop replacement using drop-forged scraper chain (e.g. pitch 142/160 mm)
- High-temperature bushings (Ni-hard, for applications more than 250°C)
- Enclosed trough redesign for fine ash flow
- Liner replacement using ceramic/UHMWPE plates
Technical Insights:
- Designed for continuous operation (24×7)
- Chain & scraper life enhancement
- Extended Warranty
Bottom Ash Handling (Wet or Dry)
Equipment Handled:
- Submerged Scraper Chain Conveyor (SSCC)
- Wet Ash Sluice Conveyors
- Water Seal Trough Systems
Services Offered:
- SSC chain retrofit (twin-strand case hardened chain with bolted scraper blades)
- Liner protection upgrade for water troughs
- Shaft, sprocket & tensioning mechanism redesign
- Commissioning of SS scrapers for high-corrosion zones
Technical Insights:
- Chain pitch modifications
- Expected life: Chain increment
- Extended Warranty
Fly Ash Elevation & Silo Handling
Equipment Handled:
- Bucket Elevators
- Air-Slide Assisted Chain Conveyors
- Screw + Drag Hybrid Conveyors
Services Offered:
- Steel cord belt bucket elevator conversion (for dust-free vertical lifts)
- Bucket retrofits with sealed fasteners
- Dust baffle and skirt seal retrofitting
- Gravity-fed flow chain commissioning into truck loading or bulker bay
Technical Insights:
- Elevation height upgradation
- Capacity enhancement: 50–250 TPH
- Steel cord belt splice life increment
- Extended Warranty
CONSTROMECH Technical Standards & Enhancements
Parameter |
Specification / Performance Range |
|---|---|
|
Chain Hardness |
Surface: 58–62 HRC |
|
Forged Scraper Material |
25MnCr or Ni-hard coated (for fly ash) |
|
Bucket Elevator Belt Grade |
ST800 – ST2500 |
|
Typical System Uptime |
>95% post-retrofit with correct alignment & tensioning |
|
Installation Support |
Full on-site support including tensioning, alignment, trial runs |
|
Warranty |
12–18 months standard |
Why CONSTROMECH for Power Plants?
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