Pulp & Paper Industry Services
Retrofit | Capacity Enhancement | Conversion | Troubleshooting | Installation & Commissioning
From woodyard conveyors to pulp presses and paper reel handling, our services include:
- Engineering retrofits for old OEM systems
- Chain and bucket replacement
- Equipment modernization for uptime improvement
- Turnkey installation and troubleshooting services
Wood Yard & Chip Feeding Section
Equipment Handled:
- Apron Feeders (Wood Chips, Logs)
- Drag Chain Conveyors
- Belt Bucket Elevators
Services Offered:
- Replacement of drop-forged drag chains (200–250 mm pitch)
- Upgrade of feeders with hardened pans and corrosion-resistant liners
- Retrofit of sprockets and guide rollers for oversized chips
Technical Insights:
- Higher Material density handling up to 300–450 kg/m³ (wood chips)
- Enhanced Chain & Pans life
- Extended Warranty
Pulp Processing & Chemical Feed Area
Equipment Handled:
- Flow Chain Conveyors (White Liquor, Black Liquor Sludge)
- Pulp Elevators
Services Offered:
- Chain retrofitting with Ni-hard/SS lined links and acid-resistant bushes
- Bucket replacement for sticky fibrous pulps
- Drive upgrades to prevent surging under variable pulp densities
- Ceramic-lined or UHMWPE chutes to prevent clogging
Technical Insights:
- Typical material monitoring with high moisture, fibrous, pH < 5 (acidic)
- Chain pitch & Scraper width modification
- Enhanced Service life for Chains
- Extended Warranty with corrosion kits under optional AMC
Paper Machine Feed & Trim Conveying
Equipment Handled:
- Flow Conveyors (Trim Waste)
- Belt Conveyors for Dry Pulp Sheets
- Rewinder Discharge Systems
Services Offered:
- Replacement of trim conveyors with low noise drag chain designs
- Belt upgrade for rewinder zones with cleated polymer belts
- Bucket retrofit for smooth handling of high-speed, low-mass pulp
Technical Insight:
- Belt speeds & Chain conveyors service monitoring
- Moisture sensitivity control for critical zones below 40% for feeding zones
- Extended Warranty with paper dust sealing enhancements available
Sludge Handling & ESP Ash Management
Equipment Handled:
- Drag Chain Sludge Conveyors
- Submerged Ash Scrapers
- Filter Cake Transfer Systems
Services Offered:
- Retrofit of double-strand scraper chains (160/200 mm pitch)
- Bush & scraper material upgraded to high-moisture Ni-hard coated
- Sealing and casing retrofit to reduce odour and spillage
- Bottom scraper retrofits in evaporation plant discharge systems
Technical Insights:
- Conveyed material, moisture sludge & ash monitoring from recovery boiler
- Chain life & scraper design modifications
- Extended Warranty
Bale & Reel Storage Handling
Equipment Handled:
- Paper Reel Conveyors
- Bale Lifter Chains
- Transfer Car Drag Chains
Services Offered:
- Replacement of forged load chains for reel transfer units
- Upgraded bearings & rollers for dust-prone, high-cycle usage
- Drive retrofits to reduce shock loads during start/stop cycles
Technical Insights:
- Chain pitch: 142–160 mm | Forged load hooks & clevis available
- Handling for Paper reel weights: up to 1.5–2.5 tons
- Extended Warranty
CONSTROMECH Technical Advantages – Pulp & Paper Industry
Component / Feature |
Specification / Standard |
|---|---|
|
Chain Types |
Forged link, corrosion-resistant, sealed bush chain |
|
Bucket/Flight Material |
SS316 / HDPE / AR steel (where applicable) |
|
Scraper Width |
400–1000 mm depending on conveyor |
|
Liner Options |
UHMWPE |
|
Corrosion Resistance |
Ni-hard coating |
|
Warranty |
12–18 months depending on operating zone |
Why CONSTROMECH for Pulp & Paper Plants?
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