Title:
HEAT TREATMENT SYSTEM, AND ATMOSPHERE EXCHANGE STRUCTURE PROVIDED IN HEAT TREATMENT FURNACE
Document Type and Number:
WIPO Patent Application WO/2023/233961
Kind Code:
A1
Abstract:
This heat treatment system comprises a first supply device, a first heat treatment furnace, a first recovery device, a second supply device, a second heat treatment furnace, and a second recovery device. The first heat treatment furnace comprises: a loading port disposed in the vicinity of the first supply device; an unloading port; a heat treatment unit; and a first conveying device for conveying saggars in a first direction directed from the loading port toward the unloading port of the first heat treatment furnace. The second heat treatment furnace comprises: a loading port disposed in the vicinity of the second supply device; an unloading port; a heat treatment unit; and a second conveying device for conveying saggars in a second direction, opposite to the first direction, from the loading port to the unloading port of the second heat treatment furnace. Each of the first heat treatment furnace and the second heat treatment furnace additionally includes an exchange unit which is disposed between the heat treatment unit and the unloading port, and which isolates the heat treatment unit from the outside of the unloading port. Each exchange unit is provided with openable and closeable doors, which are formed from a heat insulating material, between the exchange unit and the heat treatment unit and between the exchange unit and the unloading port.
Inventors:
IWATA TERUKAZU (JP)
OYAMA TOMOAKI (JP)
ARIMA KAZUHIKO (JP)
OYAMA TOMOAKI (JP)
ARIMA KAZUHIKO (JP)
Application Number:
PCT/JP2023/017800
Publication Date:
December 07, 2023
Filing Date:
May 11, 2023
Export Citation:
Assignee:
NGK INSULATORS LTD (JP)
NGK KILNTECH CORP (JP)
NGK KILNTECH CORP (JP)
International Classes:
F27B9/02; F27B9/26; F27B9/38; F27B9/39; F27D1/18; F27D7/06
Foreign References:
| JP2020085367A | 2020-06-04 | |||
| JP2012132607A | 2012-07-12 | |||
| JP2017129359A | 2017-07-27 | |||
| JP2021071212A | 2021-05-06 | |||
| JPS5188408A | 1976-08-03 | |||
| JPS5912857U | 1984-01-26 | |||
| JPH0978125A | 1997-03-25 | |||
| JPH05239558A | 1993-09-17 | |||
| JP2017083036A | 2017-05-18 | |||
| JP2007064496A | 2007-03-15 |
Attorney, Agent or Firm:
KAI-U PATENT LAW FIRM (JP)
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