Lesson 1Glass handling and cullet separation: breakers, screens, and glass-specific conveyorsDis section cover glass handling from receipt to cullet separation. It explain breakers, screens, an glass-only conveyors, focus pon particle sizing, removal a fines an contaminants, an minimize wear, dust, an noise.
Glass breaker types and impact on fragment sizeScreens for cullet sizing and fines removalGlass-only conveyors and chute designManaging ceramics, stones, and residual metalsWear protection, dust, and noise controlLesson 2Screening and classification: trommels, vibrating screens, ballistic separatorsDis section cover screening an classification equipment weh separate materials by size an shape. It explain trommels, vibrating screens, an ballistic separators, includin operating parameters, typical cut sizes, an maintenance needs.
Trommel design, speed, and aperture selectionVibrating screens and stroke adjustmentsBallistic separators for 2D and 3D splitsManaging fines, wrapping, and blindingInspection, cleaning, and wear monitoringLesson 3Optical sorting and near-infrared (NIR) systems: capabilities, limitations, and typical placementsDis section explore optical an NIR sorting systems fi plastics, paper, an other recyclables. It cover detection principles, ejection hardware, calibration, limitations wid dirt or moisture, an typical spots inna di process line.
NIR detection of polymers and paper gradesColor cameras and combined sensor platformsAir jets, valves, and ejection timingEffects of moisture, dirt, and overlappingTypical placements after screening or sizingLesson 4Magnetic and eddy-current separation: ferrous and non-ferrous removal principles and placementDis section explain how magnetic an eddy-current separators remove ferrous an non-ferrous metals. It cover operating principles, design options, placement inna di line, an key parameters affectin recovery an purity.
Ferrous capture with overband and drum magnetsEddy-current rotor design and operating principleSeparator placement relative to shredders and screensKey settings: belt speed, splitter, and burden depthMaintenance, wear points, and safety precautionsLesson 5Truck unloading and tipping floor operationsDis section describe truck unloading an tipping floor operations at dry recycling facilities. It address traffic flow, safety zones, loader work patterns, contamination checks, an how storage an feeding affect downstream stability.
Traffic flow, signage, and safety proceduresTipping floor layout and storage strategiesLoader operation, stockpiling, and mixingIncoming load inspection and contaminationHousekeeping, fire risk, and incident responseLesson 6Size reduction equipment: shredders, hammer mills, crushers, granulators — working principles and settingsDis section explain size reduction equipment used ahead a sorting or baling. It compare shredders, hammer mills, crushers, an granulators, focus pon cutting mechanisms, screen selection, energy use, an controllin final particle size.
Single-shaft and twin-shaft shredder functionsHammer mill impact action and grate selectionCrushers for rigid containers and bulky itemsGranulators for plastics and uniform particlesEnergy, wear parts, and oversize controlLesson 7Conveying and material flow: conveyor types, transfer points, speed controlDis section examine conveyor types an material flow management inna dry recycling plants. It cover belt, chain, an roller conveyors, transfer point design, speed control, spillage reduction, an how routing affect uptime an safety.
Belt, chain, and roller conveyor selectionTransfer chutes, skirting, and spillage controlSpeed control, VFDs, and throughput tuningInclines, declines, and material rollbackGuarding, walkways, and lockout pointsLesson 8Ancillary systems: dust extraction, air knives, water sprays (if any), control panels and SCADA basicsDis section review ancillary systems weh support safe an stable operation. It include dust extraction, air knives, water sprays where used, an control panels wid basic SCADA concepts fi monitoring, alarms, an data logging.
Dust extraction hoods, ducts, and filtersAir knives for label and light fraction removalWater sprays for dust and fire risk controlLocal control panels and emergency stopsSCADA screens, alarms, and trend loggingLesson 9Primary feeding systems: hoppers, apron feeders, vibratory feedersDis section introduce primary feeding systems weh transfer material from storage to di processing line. It compare hoppers, apron feeders, an vibratory feeders, highlightin flow control, bridging risks, wear, an integration wid controls.
Hopper design, live capacity, and bridging risksApron feeders for heavy and abrasive loadsVibratory feeders for metering and spreadingLevel sensors and interlocks for safe feedingWear liners and maintenance access designLesson 10Baling and densification: balers, compactors, and bale quality considerationsDis section detail balers an compactors used to densify sorted recyclables. It address bale formation, tying systems, bale quality criteria, an how feed consistency, moisture, an settings influence density, safety, an marketability.
Horizontal versus vertical balers in MRFsCompactors and pre-compaction strategiesBale density, dimensions, and weight targetsContamination limits and bale quality specsWire tying, safety, and bale handling
