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Patent Searching and Data


Title:
ROTARY HEAT TREATMENT FURNACE
Document Type and Number:
WIPO Patent Application WO/2015/105026
Kind Code:
A1
Abstract:
In order to reduce the height of a furnace body without decreasing the number of storage chambers in the height direction and also allow for a lower fan capacity while the rotary hearth has a simple structure, this rotary heat treatment furnace comprises: a furnace body (31); a storage rotating body (32) which has a substantially donut-like shape in plan view, is disposed straddling a first zone (P) and a second zone (Q), and is supported rotatably, said donut-like shape being formed from multiple storage chambers (32a) of substantially equivalent sizes that are formed in the circumferential direction and in multiple levels, with a gap (32a) being formed in the center, each storage chamber (32a) being partitioned by side walls (32c) extending in the radial direction; a rotary driving device (33) for rotating the storage rotating body (32); a first partitioning wall (37) and a second partitioning wall (38) that separates the interior of the furnace body (31) into the first zone (P) and the second zone (Q); a first channel (35) that connects the outer circumferential side of a storage chamber (32a) located in the first zone (P) to an air outlet of a fan (34); and a second channel (36) that connects the outer circumferential side of a storage chamber (32a) located in the second zone (Q) to an air inlet of the fan (34).

Inventors:
MANDAI YUSUKE
KISHIMURA TSUKASA
INUZUKA FUMITO
Application Number:
PCT/JP2014/084539
Publication Date:
July 16, 2015
Filing Date:
December 26, 2014
Export Citation:
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Assignee:
SANKEN SANGYO KK (JP)
CENTRAL MOTOR WHEEL CO LTD (JP)
International Classes:
F27B9/10; C21D1/34; F27B9/16; F27D7/04
Foreign References:
JP2006200823A2006-08-03
JP2008138916A2008-06-19
JPH02502930A1990-09-13
Attorney, Agent or Firm:
YAMAHIRO Munenori et al. (JP)
Munenori Yamahiro (JP)
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