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Technical Support
Roller Hearth Kiln (RHK) is a continuous firing furnace which transports products using ceramic rollers.
RHK provides outstanding temperature uniformity, cleanliness and heat efficiency.
![Roller Hearth Kiln](/upload/sub_images/7ddd6dab6d38621b62f7a4ecf25550a5.jpg)
Uniform Temperature Distribution
RHK's roller transportation method makes radiant heating from all direction possible and narrows temperature distribution to ±2°C.
![Uniform Temperature Distribution](/upload/sub_images/b87c4fa85fb424c1729a5e1940f3d21d.jpg)
High Speed Firing
NORITAKE adopts Spring Drive method for the roller transportation drive.
This allows for high speed transfer without meandering.
![High Speed Firing](/upload/sub_images/6be1e6d857ef12e1249c3c03b7e46308.jpg)
Example of high speed Firing
Work | Alumina substrate | Thermistor |
LCO |
BTO |
---|---|---|---|---|
Temp. | 1600℃ | 1300℃ | 1000℃ | 1200℃ |
Firing time of RHK |
6h | 10h | 12h | 6h |
Firing time of traditional kiln |
36h | 24h | 24h | 18h |
Clean Atmosphere
![Clean Atmosphere](/upload/sub_images/358df3a02dde2bd13b143bdde0f2ed75.jpg)
-
RHK materials are composed of ceramics which helps maintain a clean atmosphere.
Energy Saving and Space Saving
The combination of uniform heating and high speed firing realize high efficient production energy saving and space saving.