JPS6056760U

JPS6056760U - Vertical direct-fired continuous annealing furnace

Info

Publication number: JPS6056760U
Application number: JP14668683U
Authority: JP
Inventors: 関口　克正; 伊勢　保夫; 政浩庄司
Original assignee: 日本鋼管株式会社
Priority date: 1983-09-24
Filing date: 1983-09-24
Publication date: 1985-04-20

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は、従来の竪型連続焼鈍炉の概略説明図、第２図
は、ストリップ温度と燃焼ガス温度と　　′の関係を示
す図、第３図は、この考案の一実施態様の概略説明図で
ある。図面において、１・・・加熱帯、２・・・煙道、
３・・・ス１リップ、４・・・予熱帯、５・・・廃ガス
ダクト、６・・・通過ダクト、７・・・煙突、８・・・
廃ガスバイパスダクト、９・・・通過ダンパー、１０・
・・バイパスダンパー、１１・・・デフレクタ−ロール
、１２・・・第１廃ガスバイパスダクト、１３・・・第
２廃ガスバイパスダクト、１４・・・第１バイパスダン
パー、１５−・第２バイパスダンパー、１６・・・冷却
ブロワ−０Fig. 1 is a schematic diagram of a conventional vertical continuous annealing furnace, Fig. 2 is a diagram showing the relationship between strip temperature and combustion gas temperature, and Fig. 3 is a schematic diagram of an embodiment of this invention. It is a diagram. In the drawings, 1... heating zone, 2... flue,
3... Slip, 4... Preheating zone, 5... Waste gas duct, 6... Passing duct, 7... Chimney, 8...
Waste gas bypass duct, 9... Passage damper, 10.
... Bypass damper, 11... Deflector roll, 12... First waste gas bypass duct, 13... Second waste gas bypass duct, 14... First bypass damper, 15-- Second bypass Damper, 16...Cooling blower-0

Claims

[Scope of utility model registration request]

A heating furnace including a plurality of heating zones arranged vertically in a line in a flue, and a pre-heating zone provided horizontally in the flue on the upstream side of the heating furnace, the heating zone A waste gas duct communicates with the flue directly above the heating zone, a first waste gas bypass duct communicates with the flue directly above the heating zone, a passage damper is provided in the middle of the waste gas duct, and the first waste gas bypass duct communicates with the flue directly above the heating zone.
In a vertical direct-fire continuous annealing furnace in which a first bypass damper is provided in the middle of the waste gas bypass duct, a second waste gas bypass duct is provided in the flue between the plurality of heating zones, and the second waste gas bypass duct is provided in the flue between the plurality of heating zones. A vertical direct-fired continuous annealing furnace, characterized in that a second bypass damper is provided in the middle of the second waste gas bypass duct.