JPH0480604U - - Google Patents
Info
- Publication number
- JPH0480604U JPH0480604U JP12048790U JP12048790U JPH0480604U JP H0480604 U JPH0480604 U JP H0480604U JP 12048790 U JP12048790 U JP 12048790U JP 12048790 U JP12048790 U JP 12048790U JP H0480604 U JPH0480604 U JP H0480604U
- Authority
- JP
- Japan
- Prior art keywords
- steel plate
- nozzle
- roller
- cooling
- temperature steel
- 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
Links
- 238000001816 cooling Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Description
第１図は、本考案に係る冷却装置例の概要説明
図であり、第１図ａはその要部正面図を、第１図
ｂは要部平面図をそれぞれ示している。第２図は
、熱間圧延プロセスにおけるホツトラン冷却の概
要説明図である。第３図は、パイプラミナーノズ
ルの概要図である。第４図は、フラツトノズルの
説明図である。第５図は、従来の高温鋼板下面冷
却装置の概要説明図であり、第５図ａはその要部
平面図を、第５図ｂは要部正面図をそれぞれ示し
ている。第６図は、冷却域での熱伝達率割合を示
したグラフである。第７図は、フルコーン型水ス
プレーノズルの説明図である。第８図、ノズル噴
射角と冷却能力の関係を示すグラフである。第９
図は、ラツプ率と熱伝達割合との関係を示すグラ
フである。第１０図は、水量密度及び高温鋼板下
面の冷却手法と熱伝達率との関係を示すグラフで
ある。
図面において、１……仕上圧延機、２……高温
鋼板、３……ローラ、４……ランアウトテーブル
、５……上部冷却ノズル群、６……下部冷却ノズ
ル群、７……ダウンコイラー、８……ラミナーノ
ズル、９，１２，１４……冷却ヘツダー、１０…
…冷却水流、１１……柱状水ノズル、１３……フ
ルコ−型ノズル、１３ａ……ノズル吐出口先端。
FIG. 1 is a schematic explanatory diagram of an example of a cooling device according to the present invention, and FIG. 1a shows a front view of the main part thereof, and FIG. 1b shows a plan view of the main part. FIG. 2 is a schematic explanatory diagram of hot run cooling in the hot rolling process. FIG. 3 is a schematic diagram of a pipe laminar nozzle. FIG. 4 is an explanatory diagram of the flat nozzle. FIG. 5 is a schematic explanatory diagram of a conventional high-temperature steel plate lower surface cooling device, with FIG. 5 a showing a plan view of the main part thereof, and FIG. 5 b showing a front view of the main part. FIG. 6 is a graph showing the heat transfer coefficient ratio in the cooling region. FIG. 7 is an explanatory diagram of a full cone type water spray nozzle. FIG. 8 is a graph showing the relationship between nozzle injection angle and cooling capacity. 9th
The figure is a graph showing the relationship between the wrap rate and the heat transfer rate. FIG. 10 is a graph showing the relationship between the water density, the method of cooling the lower surface of the high-temperature steel plate, and the heat transfer coefficient. In the drawings, 1... finishing rolling mill, 2... high temperature steel plate, 3... roller, 4... runout table, 5... upper cooling nozzle group, 6... lower cooling nozzle group, 7... down coiler, 8 ...Laminar nozzle, 9,12,14...Cooling header, 10...
... Cooling water flow, 11 ... Columnar water nozzle, 13 ... Fluco-type nozzle, 13a ... Nozzle discharge port tip.
Claims (1)
冷却する装置であつて、鋼板下面に対向する噴射
角：７０〜１２０°のフルコーン型ノズルが複数
取付けられた冷却ヘツダーをローラテーブルのロ
ーラ間に配置すると共に、そのノズルの吐出口先
端位置を前記ローラの軸芯又はそれよりも鋼板下
面に近い位置に設定して成ることを特徴とする、
高温鋼板の下面冷却装置。 A device that cools the lower surface of a high-temperature steel plate running on a roller table, in which a cooling header equipped with a plurality of full-cone nozzles facing the lower surface of the steel plate and having a spray angle of 70 to 120 degrees is placed between the rollers of the roller table. In addition, the nozzle is characterized in that its discharge port tip position is set at the axis of the roller or at a position closer to the lower surface of the steel plate than the axis of the roller.
Bottom side cooling device for high temperature steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990120487U JPH0810432Y2 (en) | 1990-11-17 | 1990-11-17 | Bottom cooling device for high temperature steel sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990120487U JPH0810432Y2 (en) | 1990-11-17 | 1990-11-17 | Bottom cooling device for high temperature steel sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0480604U true JPH0480604U (en) | 1992-07-14 |
| JPH0810432Y2 JPH0810432Y2 (en) | 1996-03-29 |
Family
ID=31868389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990120487U Expired - Lifetime JPH0810432Y2 (en) | 1990-11-17 | 1990-11-17 | Bottom cooling device for high temperature steel sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0810432Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007037095A1 (en) * | 2005-09-27 | 2007-04-05 | Jfe Steel Corporation | Cooling facility and production method of steel plate |
| JP2010234446A (en) * | 2010-06-01 | 2010-10-21 | Nippon Steel Corp | Method for cooling hot rolled steel sheet |
| JP2023528070A (en) * | 2020-06-04 | 2023-07-03 | コンステリウム ヌフ－ブリザック | Cooling method and equipment on reverse hot rolling mill |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51106213U (en) * | 1975-02-24 | 1976-08-25 | ||
| JPS63111208U (en) * | 1987-01-14 | 1988-07-16 |
-
1990
- 1990-11-17 JP JP1990120487U patent/JPH0810432Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51106213U (en) * | 1975-02-24 | 1976-08-25 | ||
| JPS63111208U (en) * | 1987-01-14 | 1988-07-16 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007037095A1 (en) * | 2005-09-27 | 2007-04-05 | Jfe Steel Corporation | Cooling facility and production method of steel plate |
| JP2010234446A (en) * | 2010-06-01 | 2010-10-21 | Nippon Steel Corp | Method for cooling hot rolled steel sheet |
| JP2023528070A (en) * | 2020-06-04 | 2023-07-03 | コンステリウム ヌフ－ブリザック | Cooling method and equipment on reverse hot rolling mill |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0810432Y2 (en) | 1996-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |