To provide a hot air circulation incineration kiln that increases atmospheric air flow rate flowing into a group of shelf boards and thus increases the air flow speed so that the temperature difference between the atmospheric air in the upstream and the downstream of the shelf boards can be minimized.
The inside of a kiln body 1 is divided by a pair of partition boards 2 so that a first, second and third atmospheric air passages 11, 12 and 13 are formed. A pair of air flow straighteners 6 are arranged on both sides of the second atmospheric air passage 12 to form a kiln chamber having a reduced passage cross section of the second atmospheric air passage 12. A centrifugal fan 4 is arranged at an axial end in the kiln body 1. A fan guide 5 is arranged so that the air sent from the centrifugal fan 4 is flowed into the first and third atmospheric air passage 11 and 13. An atmospheric air turn back section formed on the other axial end in the kiln body 1 turns back the air flowed out from the first and third atmospheric air passage 11 and 13 to flow it into the second atmospheric air passage 12. The shelf boards 8 are piled to form multiple steps in a kiln section.
| JPH0692717 | PRODUCTION OF BI BASED OXIEE SUPERCONDUCTOR |
| JP2018048404 | METHOD FOR MAKING SPUTTERING TARGET |
| JPS59227777 | MANUFACTURE OF CERAMICS |
KANEZUKA NORIHIKO
KOIZUMI YORIICHI
Michiharu Soga
Hidetoshi Furukawa
Suzuki Kenchi
Kajinami order