BELL TYPE ANNEALING FURNACE

Japanese Patent JP2002129244

A

To provide a heat-storage system bell type annealing furnace in which a heat-storage regenerating system combustion device is used, nevertheless flame is prevented from becoming long frame by sufficiently enclosing atmosphere in the furnace into the flame and also, combustion can be contracted to the optimum combustion capacity when a soaking is performed.

In the bell type annealing furnace, a treating material W laid on a furnace hearth 1 provided with a circulating fan F through a supporting table is covered with an inner cover 2 and an outer cover 3 is covered on the inner cover, and the heat-storage system alternative combustion device H is disposed below the outer cover. The heat-storage system alternative combustion device is constituted with a plurality of unit heat-storage system alternative combustion devices Ha, Hb and also, these devices are arranged at a prescribed interval in a direction of a peripheral wall of the outer cover.

JP5119331	Radiant tube burner device and heat storage unit that can be attached to the radiant tube burner
WO/1998/006994	METHOD AND DEVICE FOR SENSING A CLEARANCE
JPH07233934	PURIFYING DEVICE OF SMOKE

TAKAHARA KATSUAKI
NAKAGIRI SHINICHI
SAGISAKA TAKESHI
HARA AKIHIRO
KAZUMAE KENGO
SAKURAGI KAZUMASA
ARITA SAIJI

JP2001219622A

May 09, 2002

July 19, 2001

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CHUGAI RO KOGYO KAISHA LTD
NISSHIN STEEL CO LTD

F23L15/02; C21D1/52; C21D9/677; (IPC1-7): C21D9/677; C21D1/52; F23L15/02

JPH09170032A	1997-06-30
JPH0835623A	1996-02-06
JPH0277528A	1990-03-16
JPH09287019A	1997-11-04
JPH11230543A	1999-08-27

Kaoru Aoyama (4 people outside)

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