JPH0183060U

JPH0183060U -

Info

Publication number: JPH0183060U
Application number: JP1987178344U
Authority: JP
Priority date: 1987-11-25
Filing date: 1987-11-25
Publication date: 1989-06-02

Description

[Brief explanation of the drawing]

第１図は本考案の１実施例を制御装置のブロツ
ク図と共に示したウオーキングビームの横断面図
である。第２図は最側端のスキツドの昇降操作の
例を示すシーケンス図である。第３図は本考案の
実施例と比較例によるストリツプの仕上圧延出側
温度の分布を示すグラフである。第４図はウオー
キングビーム炉の全体断面図、第５図はミルライ
ンの説明図である。第６図は仕上圧延入側温度（
ＦＥＴ）のグラフ、第７図は仕上圧延出側温度（
ＦＤＴ）のグラフ、第８図は仕上圧延スピードの
グラフである。１……ウオーキングビーム式加熱炉、２……鋼
片、３……固定スキツド、４……移動スキツド、
５……スキツド進行方向最側端部のスキツド、１
５……スキツド昇降装置、１６……昇降指令装置
、１７……鋼片たわみ量予測装置、１８……鋼片
トラツキング装置、１９……鋼片温度予測装置。 FIG. 1 is a cross-sectional view of a walking beam showing one embodiment of the present invention together with a block diagram of a control device. FIG. 2 is a sequence diagram showing an example of the lifting and lowering operation of the skid at the sidemost side. FIG. 3 is a graph showing the distribution of temperature at the exit side of finishing rolling of strips according to an example of the present invention and a comparative example. FIG. 4 is an overall sectional view of the walking beam furnace, and FIG. 5 is an explanatory view of the mill line. Figure 6 shows the finish rolling entry temperature (
Figure 7 shows the finish rolling exit temperature (
FDT), and FIG. 8 is a graph of finish rolling speed. 1... Walking beam type heating furnace, 2... Steel billet, 3... Fixed skid, 4... Moving skid,
5... skid at the farthest end in the skid traveling direction, 1
5... skid lift device, 16... lift command device, 17... steel billet deflection amount prediction device, 18... steel billet tracking device, 19... steel billet temperature prediction device.

Claims

[Scope of utility model registration request]

A skid lifting device that raises and lowers the skid at the most side end in the skid progressing direction; a steel billet tracking device that tracks the position of the steel billet in the furnace and the length of time it is in the furnace;
A billet temperature prediction device that predicts a billet temperature; a billet deflection amount prediction device that predicts a deflection amount of a billet from a tracking result of the billet tracking device and a prediction result of the billet temperature prediction device; A skid beam control device for a walking beam type steel billet heating furnace, comprising a lift command device that outputs a lift command to the skid lift device based on a prediction result of a quantity prediction device.