JPS60345U

JPS60345U - Brick structure of blast furnace hearth

Info

Publication number: JPS60345U
Application number: JP9157883U
Authority: JP
Inventors: 藤野　眞之; 藤原　昭文
Original assignee: 株式会社神戸製鋼所
Priority date: 1983-06-14
Filing date: 1983-06-14
Publication date: 1985-01-05

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 drawings]

第１図は従来の炉床部の要部縦断面図、第２図は従来の
炉床部の侵食状態を示す要部縦断面図、第３図は従来の
炉床側壁部の亀裂発生状況を示す要部縦断面図、第４図
は本考案に使用する緩衝用レンガ対の斜視図、第５図〜
第７図は本考案の実施例を示す要部縦断面図を示す。１・・・鉄皮、２．　２’・・・スタンプ、３・・・敷
部レンガ、４・・・亀裂、５・・・レンガ対、６・・・
三角柱状レンガ。Figure 1 is a vertical cross-sectional view of the main part of a conventional hearth, Figure 2 is a vertical cross-sectional view of the main part showing the erosion state of the conventional hearth, and Figure 3 is the state of cracks in the side wall of the conventional hearth. FIG. 4 is a perspective view of a pair of buffer bricks used in the present invention, and FIGS.
FIG. 7 shows a longitudinal cross-sectional view of a main part showing an embodiment of the present invention. 1... Iron skin, 2. 2'...Stamp, 3...Brick base, 4...Crack, 5...Brick pair, 6...
Triangular prism brick.

Claims

[Scope of utility model registration request]

Each stage of bricks in which the inner wall of the furnace is formed in stages, centering on the reference stage brick directly above the bed in the hearth side wall, from the reference stage brick to the lowest brick of the furnace side wall brick stage that forms the furnace inner wall in a flat shape. and each step brick group formed in a stepwise manner below the reference step brick, and the length of each step brick group above and below the reference step brick is successively shorter with the length of the reference step brick being the longest. In the brickwork structure of the side wall of the hearth, at least the bricks of each level of bricks below the standard level bricks are vertically symmetrical to the bricks of each level one level above the standard level and the bricks of the lowest level of the hearth side wall. Adjacent to the inner end surface, a buffer brick is formed in which the slopes of two triangular prism-shaped bricks face each other, and a pair of bricks is arranged so that the slopes are inclined upwardly and downwardly, and the standard step brick is extended in the longest direction. A brick masonry structure of a blast furnace hearth portion, characterized in that each brick pair is arranged in a stepwise manner, and the brick pairs that are assembled up and down are arranged in an overlapping manner.