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Roller Kiln for Alumina Ceramic Sintering

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NGK values our long-standing partnership with Shaanxi Kegu. Their SSiC ceramics excel in quality and innovation, driving our mutual success. Here’s to continued collaboration!

—— NGK Thermal Technology Co.,Ltd

At Huike, we take pride in our long-standing partnership with Shaanxi Kegu New Material Technology Co., Ltd., a collaboration rooted in trust, innovation, and shared excellence.Their expertise in SSiC ceramics and reliable solutions have consistently supported our projects.

—— SuzhouHuike Technology Co.,Ltd

We at Keda greatly appreciate our long-standing partnership with Shaanxi Kegu New Material Technology Co., Ltd. Their high-quality SSiC ceramic solutions have been integral to our projects and we look forward to continued collaboration and shared success.

—— Keda Industrial Group Co.,Ltd.

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Roller Kiln for Alumina Ceramic Sintering

Roller Kiln for Alumina Ceramic Sintering
Roller Kiln for Alumina Ceramic Sintering

Large Image :  Roller Kiln for Alumina Ceramic Sintering

Product Details:
Place of Origin: China
Brand Name: KeGu
Model Number: Roller Kiln for Alumina Ceramic Sintering
Payment & Shipping Terms:
Price: Price is negotiable
Packaging Details: Negotiable
Delivery Time: Negotiable
Payment Terms: L/C,D/A,D/P,T/T,Western Union
Supply Ability: Negotiable

Roller Kiln for Alumina Ceramic Sintering

Description
Highlight:

Alumina Ceramic Sintering Roller Kiln

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Roller Kiln for Alumina Ceramic Sintering

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.

Contact Details
Shaanxi KeGu New Material Technology Co., Ltd

Contact Person: Miss. Scarlett.S

Tel: 8616602956098

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