JPS60177942U

JPS60177942U - smelting furnace

Info

Publication number: JPS60177942U
Application number: JP6669384U
Authority: JP
Inventors: 小泉　維昭
Original assignee: 大同特殊鋼株式会社
Priority date: 1984-05-07
Filing date: 1984-05-07
Publication date: 1985-11-26

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図はこの考案が適用される精錬炉の断面説明図、第
２図ないし第４図はこの考案の各実施例による予備羽口
挿入穴を有する耐火レンガの断面説明図である。１・・・・・・精錬炉、３・・・・・・炉壁耐火れんが
、４・・・・・・羽口挿入孔、５・・・羽口、７・・・
耐火れんが、７ａ・・・予備羽口挿入穴、訃・・不定形
耐火物、９・・・定形耐火物。FIG. 1 is an explanatory cross-sectional view of a refining furnace to which this invention is applied, and FIGS. 2 to 4 are explanatory cross-sectional views of refractory bricks having preliminary tuyere insertion holes according to each embodiment of this invention. 1... Refining furnace, 3... Furnace wall refractory brick, 4... Tuyere insertion hole, 5... Tuyere, 7...
Refractory brick, 7a... Spare tuyere insertion hole, end... Unshaped refractory, 9... Fixed refractory.

Claims

[Scope of utility model registration request]

(1) In a refining furnace equipped with tuyeres at the bottom of the furnace wall,
A refractory brick having a preliminary tuyere insertion hole that is closed on the inside of the furnace and opened on the outside of the furnace is stacked together with other furnace wall refractory bricks in the furnace wall portion where the preliminary tuyere is to be installed, and the preliminary tuyere insertion hole is A smelting furnace characterized by being filled with refractory material.

(2) A smelting furnace according to claim (1) of the utility model registration, in which the refractory bricks having the preliminary wall insertion holes and the other furnace wall refractory bricks are made of the same material.