AVIMETAL

Avimetal’s Rotary Kiln Module is a containerized continuous thermal processing system designed for mineral roasting, drying, calcining, and heat treatment at temperatures up to 1,000°C. The system uses two 40-foot container-frame modules to create an extended kiln configuration with integrated feeding, rotary heating, discharge handling, and gas scrubbing. It is designed for compact transport, rapid installation, controlled emissions, and integration into Avimetal’s modular mineral processing plant.

Module SKU: AVM-RK-1000   |   Containerized continuous rotary kiln for roasting, calcining, drying & thermal treatment up to 1,000 °C · Ø 1.2 × 18 m drum in two 40-ft container modules

Max Temperature Drum Size Throughput Burner Duty Total Electrical
1,000 °C Ø 1.2 × 18 m 1–3 TPH (24–72 TPD) ~800 kW thermal ~55 kW

Full Equipment Specification

SKU Machine Function Capacity Power (kW) Input Output
AVM-RK-1000-FH Feed Hopper / Surge Bin Wet or dry feed buffering with low-level alarm 5–10 m³ 0–25 mm feed Gravity feed to feeder
AVM-RK-1000-FD Variable-Speed Feeder (Screw or Vibratory) Controlled metered feed into kiln inlet 1–3 TPH 2.2 VSD Hopper discharge Metered feed to kiln
AVM-RK-1000-RD Rotary Drum / Kiln Body Refractory-lined drum · 2–4° slope · 1–5 rpm · counter/co-current Ø 1.2 × 18 m · 20 m³ Feed + hot gas Roasted / calcined product + off-gas
AVM-RK-1000-BR Burner / Heat Source Multi-fuel burner NG / LPG / diesel / oil · staged air · flame safeguard 800 kW thermal (1,000 kW max) 3 fan + controls + fuel Fuel + combustion air Hot gas up to 1,200 °C
AVM-RK-1000-DM Drive Motor & Planetary Gearbox Main rotation + auxiliary inching for refractory protection 1–5 rpm variable 30 main + 2.2 inching VSD command Controlled drum rotation
AVM-RK-1000-CC Discharge Cooler Rotary or air-grate cooler · 1,000 °C → < 80 °C 1–3 TPH 5.5 Hot product from kiln Cooled product
AVM-RK-1000-GS Off-Gas System (Baghouse + Scrubber + ID Fan + Stack) High-temperature dust capture, acid-gas scrubbing, induced draft, stack 3,000–8,000 m³/h 3 + 5.5 + 7.5 Hot dusty off-gas ≤ 800 °C Clean stack < 30 mg/Nm³
AVM-RK-1000-CT Control & Safety Skid (PLC + HMI) Temperature profile, burner management, drum rotation, ESD, data logging 1 operator + redundant PLC 3 cabinets + HVAC All instrumentation Process control + batch records

Two-container deployment: drum, drive, cooler & off-gas system in container #1; feed system, burner skid, and control room in container #2. Kiln drum mounted on two riding rings with thrust rollers and field-installable in 5–7 days. Refractory selectable for sulfide roasting acid-resistant duty or REE/calcining alkali-resistant duty. Auxiliary inching motor protects refractory lining during power interruptions. Total connected electrical load approximately 55 kW; thermal energy approximately 800 kW supplied by burner.

Commercial Terms & Certifications

Lead Time 120–150 days from PO confirmation; drum fabrication is critical path; refractory cure-out at FAT
Warranty 12 months on workmanship · 24 months on drum shell, drive train & gearbox · 18 months on refractory lining operating-condition dependent · 12 months on baghouse filter bags
Included Scope Engineering, integration, FAT, on-site install supervision, refractory installation & cure-out supervision, burner commissioning, operator & maintenance training, O&M manuals, first-fill consumables including refractory cement, filter bags, and gaskets
Certifications Engineered by Avimetal · Manufactured by UL, CE, ETL, ISO 9001-certified OEM partners · Burner ANSI Z21 / EN 746 with UL-listed flame safeguard · Pressure parts ASME Section VIII · Control panels UL 508A-listed · Emissions referenced to US EPA NSPS / EU IED
Payment Terms 30% deposit on PO · 50% on drum completion · 15% on shipment · 5% on commissioning sign-off, or irrevocable letter of credit
Recommended Pairings Upstream: Crush Line Dry AVM-CL-D-20, Dry Concentration AVM-DC-05, Filter Press Module · Downstream: Hybrid Plasma Smelter, High-Temp Fusion Furnace AVM-HTF-1000, leach circuits for calcined feed · Service: Environment Control AVM-EC-05 for additional fume capture
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