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Jakość Roller Kiln for Alumina Ceramic Sintering Fabryka
Jakość Roller Kiln for Alumina Ceramic Sintering Fabryka

Roller Kiln for Alumina Ceramic Sintering

Basic Properties
Place of Origin: Chiny
Brand Name: KeGu
Model Number: Piec rolkowy do spiekania ceramiki z tlenku glinu
Trading Properties
Price: Price is negotiable
Payment Terms: L/C, D/A, D/P, T/T, Western Union
Supply Ability: Zbywalny
Tagi

industrial machine

industrial device

industrial machinery
Podsumowanie produktu
Roller Kiln for Alumina Ceramic Sintering Technical Overview This advanced industrial roller hearth kiln is a continuous high-temperature sintering production line specifically engineered for alumina ceramics, including ceramic substrates, insulating components, and structural ceramics. The core ...

Szczegóły produktu

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Alumina Ceramic Sintering Roller Kiln

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Roller Kiln for Alumina Ceramic Sintering
Opis produktu
Roller Kiln for Alumina Ceramic Sintering
Technical Overview

This advanced industrial roller hearth kiln is a continuous high-temperature sintering production line specifically engineered for alumina ceramics, including ceramic substrates, insulating components, and structural ceramics. The core technology features roller hearth transport, where high-temperature ceramic rollers smoothly convey kiln furniture loaded with green parts through preheating, high-temperature holding, and cooling stages.

Designed using 3D digital modeling, the kiln offers a compact layout that facilitates fully automated production. Compared to traditional pusher or tunnel kilns, this roller hearth design provides superior temperature uniformity, stable production cycles, and higher automation levels.

Design & Structural Features
  • Modular Kiln Shell: Segmented main body with thermal insulation panels for simplified assembly, maintenance, and refractory replacement
  • Heat & Exhaust System: Comprehensive piping network for hot air circulation, combustion air supply, and exhaust gas evacuation with prominent exhaust stack and large fans
  • Power & Service Platform: Elevated platform with safety railings housing electric motors and centrifugal fans for exhaust control
  • Inlet/Outlet Transfers: External conveyor track for loading/unloading ceramic parts via manual or automated systems
Core Components & Functions
System / Component Function / Role Visual Feature
Kiln Insulation Shell Encloses internal thermal field, prevents heat loss, ensures uniform temperature, reduces energy consumption Segmented beige/white insulated side and top panels
Roller Transport System Carries alumina ceramic parts through kiln at constant speed for continuous production Stainless steel track structure and roller-end support mechanisms
Exhaust / Hot Air Circulation System Removes volatiles and exhaust gases from sintering; recycles heat for energy efficiency Dense piping on kiln roof, vertical exhaust stack, large green centrifugal exhaust fans
Service & Maintenance Platform Provides safe working space for accessing fans, valves, and instruments Elevated steel truss structure with anti-slip decking and yellow safety railings
Inlet/Outlet Auxiliary Mechanism Ensures smooth loading/unloading of ceramic parts onto/off the kiln track Roller conveyor / receiving platform
Temperature Profile & Firing Curve
Zone Temperature Range (°C) Length Ratio Key Role & Process Control
Preheating Zone Room temp ~ 1200°C 35% - 40% Removes organic additives (PVA/PEG) with controlled heating rate to prevent cracking
High-Temperature Sintering Zone 1550°C ~ 1680°C 30% - 35% Critical for alumina grain growth and densification with temperature difference < ±5°C
Rapid / Slow Cooling Zone 1680°C ~ 200°C 25% - 30% Prevents abnormal grain growth and thermal stress cracking with forced and natural cooling
Critical Materials & Components

Roller Material: In the 1680°C sintering zone, rollers utilize Reaction-Bonded Silicon Carbide (RBSiC) or 99% Alumina (99 Al₂O₃) for extremely low high-temperature creep resistance.

Kiln Lining: Multi-layer refractory construction with alumina hollow sphere bricks (1700°C+ resistance), lightweight high-alumina bricks/castable refractory middle layer, and insulating fiber felt outer layer enclosed behind metal shell.

Automation & Control Systems
  • Closed-Loop Temperature Control: Type B/S thermocouples transmit real-time signals to PLC for PID control of fuel/electric actuators
  • Variable Frequency Drive (VFD): Controls green fans via variable-frequency motors to precisely regulate exhaust negative pressure and kiln pressure
  • Monitoring & Alarms: Industrial cameras monitor kiln operations with audible/visual alarms for abnormal pressure, temperature, or motor current conditions

This roller hearth kiln is specifically engineered for alumina ceramics' demanding process requirements: high sintering temperature (above 1650°C), extreme sensitivity to temperature gradients, and large binder burnout volume. Through RBSiC rollers, high-precision exhaust systems, and fully closed-loop PLC control, it delivers high output, exceptional stability, and low energy consumption for industrial-scale production.

For further information or to discuss your specific requirements, please contact us directly.

Miss. Scarlett.S

Deputy Director of Foreign Trade Department

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