Title:
ROTARY HEAT TREATMENT FURNACE
Document Type and Number:
Japanese Patent JP2019074296
Kind Code:
A
Abstract:
To provide a rotary heat treatment furnace simple in structure and temperature control, and capable of suppressing the capacity of a fan.SOLUTION: A rotary heat treatment furnace comprises: a furnace body 31; a planarly doughnut-shaped storage rotating body 32 in which multiple storage chambers 32a partitioned into roughly same size by side walls 32c extended in the radial direction are formed in a multi-stage state in the circumferential direction, and a space 32b is formed at a center part, and which is installed to straddle a first zone P and a second zone Q and rotatably supported; a rotary driving device 33 for rotating the storage rotating body 32; an inner vertical cylinder part 34 which is fixed to the space 32b and has an opening 34A communicated with the storage chambers 32a; a first partition wall 35 and a second partition wall 36 for separating the first zone P from the second zone Q; a circulation duct 37 having a curved duct inner wall 37A between the inner cylinder part 34 and a wall surface of the furnace body 31 and formed with a blow-out port E and a suction port F; a first fan 38 installed on the inner cylinder part 34 and feeding hot air to the first zone P; and a second fan 39 feeding air to the second zone Q.SELECTED DRAWING: Figure 1
Inventors:
NAKAJIMA TAKESHI
NAKADA YUJI
SJAHRIR NASHIRIK BINH HADI
TAKEDA TAICHI
NAKADA YUJI
SJAHRIR NASHIRIK BINH HADI
TAKEDA TAICHI
Application Number:
JP2017202593A
Publication Date:
May 16, 2019
Filing Date:
October 19, 2017
Export Citation:
Assignee:
SANKEN SANGYO KK
International Classes:
F27B9/16; C21D1/00; F27B9/10; F27B9/30; F27D7/02
Attorney, Agent or Firm:
Hiroshi Yamamoto
Makiko Iwamoto
Makiko Iwamoto