JPS626909U

JPS626909U -

Info

Publication number: JPS626909U
Application number: JP9760385U
Authority: JP
Priority date: 1985-06-28
Filing date: 1985-06-28
Publication date: 1987-01-16

Description

[Brief explanation of drawings]

第１図は本考案を説明する斜視立面図、第２図
Ａ，Ｂ及びＣは本考案を説明する立面図、同矢視
Ａ―Ａ及び同矢視Ｂ―Ｂに沿う水量分布、水膜断
面形状を説明する図、第３図Ａ，Ｂ及びＣは従来
の状況を説明する立断面図、同矢視Ａ―Ａ及び同
矢視Ｂ―Ｂに沿う水量分布、水膜断面形状を説明
する図、第４図は従来のテーブルローラ上の赤熱
鋼板を水膜冷却する状況を示す斜視立面図、第５
図は板幅方向の温度分布を示す図、第６図は従来
の水膜冷却に係わる板幅方向の温度分布、第７図
は本考案に係わる板幅方向の温度分布を示す図で
ある。符号１……ノズルヘツダ、２……スリツトノズ
ル、３……水膜、４……遮蔽樋（又は遮蔽板）、
５……水膜案内部材、６……水切板、７……水供
給管、８……遮蔽樋の先端部、９……テーブルロ
ーラ、１０……テーブルローラモータ、Ｓ……赤
熱鋼板、ＳＬ……板幅、Ｌｗ_１……縮流のない水
膜幅、Ｌｗ_２……縮流した水膜幅、Ｌｓ……遮蔽
幅、Ｗｄ……水量分布、Ｗｓ……水膜断面形状。 Fig. 1 is a perspective elevational view explaining the present invention; Fig. 2 A, B, and C are elevational views explaining the present invention; water volume distribution along the same arrow view AA and the same arrow view B-B; Figure 3A, B and C are vertical cross-sectional views explaining the conventional situation, water volume distribution along the same arrow views A-A and B-B, and the water film cross-sectional shape. FIG. 4 is a perspective elevational view showing a situation in which a red-hot steel plate on a conventional table roller is cooled by a water film, and FIG.
This figure shows the temperature distribution in the width direction of the plate, FIG. 6 shows the temperature distribution in the width direction of the plate related to conventional water film cooling, and FIG. 7 shows the temperature distribution in the width direction of the plate related to the present invention. Code 1... Nozzle header, 2... Slit nozzle, 3... Water film, 4... Shielding gutter (or shielding plate),
5... Water film guide member, 6... Drain plate, 7... Water supply pipe, 8... Tip of shielding gutter, 9... Table roller, 10... Table roller motor, S... Red-hot steel plate, SL ... Plate width, Lw ₁ ... Width of water film without contraction, Lw ₂ ... Width of water film with contracture, Ls ... Shielding width, Wd ... Water volume distribution, Ws ... Cross-sectional shape of water film.

Claims

[Scope of utility model registration request]

Below the slit nozzle 2 that cools the upper surface of the hot-rolled material S by flowing a water film 3 thereon, a movable shielding gutter 4 is provided to shield the water film 3b flowing down to both side edges Ls of the hot-rolled material S. , an upper cooling device for hot-rolled material comprising a water film guide member 5 hanging from the tip 8 of the water film guide member 5 for guiding the water film 3 in contact with the water film 3;