JPS5613414A - Lining structure for spout of blast furnace - Google Patents

Lining structure for spout of blast furnace

Info

Publication number
JPS5613414A
JPS5613414A JP9001079A JP9001079A JPS5613414A JP S5613414 A JPS5613414 A JP S5613414A JP 9001079 A JP9001079 A JP 9001079A JP 9001079 A JP9001079 A JP 9001079A JP S5613414 A JPS5613414 A JP S5613414A
Authority
JP
Japan
Prior art keywords
castable
blast furnace
spout
lining
refractory
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP9001079A
Other languages
Japanese (ja)
Other versions
JPS596884B2 (en
Inventor
Shuji Kajikawa
Ryuichi Nakajima
Masaaki Nishi
Kazunori Shintani
Takahiro Kato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shinagawa Refractories Co Ltd
JFE Engineering Corp
Original Assignee
Shinagawa Refractories Co Ltd
NKK Corp
Nippon Kokan Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shinagawa Refractories Co Ltd, NKK Corp, Nippon Kokan Ltd filed Critical Shinagawa Refractories Co Ltd
Priority to JP9001079A priority Critical patent/JPS596884B2/en
Publication of JPS5613414A publication Critical patent/JPS5613414A/en
Publication of JPS596884B2 publication Critical patent/JPS596884B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To increase remarkably the ratio of effective use of furnace material, by constituting the lining described in the title of an inner lining material made of castable refractory resistant to molten cast iron and a backing material made of castable refractory having resistance to embrittlement and a prescribed strength even in heat treatment at a specific temp.
CONSTITUTION: In lining structure of a blast furnace spout, a castable refractory material resistant to embrittlement having ≥400kg/cm2 compression strength even in heat treatment at 300W1,000°C temp. is used as the castable backing material for the inner side of the blast furnace spout, and as the inner lining material for said backing material is used a castable refrctory material having resistance to molten cast iron and to spalling so as to constitute double layered coating structure. This structure makes possible additional repairment for a long time, hence the ratio of effective use of the refractory material is increased remarkably.
COPYRIGHT: (C)1981,JPO&Japio
JP9001079A 1979-07-16 1979-07-16 Blast furnace gutter lining structure Expired JPS596884B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9001079A JPS596884B2 (en) 1979-07-16 1979-07-16 Blast furnace gutter lining structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9001079A JPS596884B2 (en) 1979-07-16 1979-07-16 Blast furnace gutter lining structure

Publications (2)

Publication Number Publication Date
JPS5613414A true JPS5613414A (en) 1981-02-09
JPS596884B2 JPS596884B2 (en) 1984-02-15

Family

ID=13986684

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9001079A Expired JPS596884B2 (en) 1979-07-16 1979-07-16 Blast furnace gutter lining structure

Country Status (1)

Country Link
JP (1) JPS596884B2 (en)

Also Published As

Publication number Publication date
JPS596884B2 (en) 1984-02-15

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