JPH07122103B2 - Cooling system - Google Patents
Cooling systemInfo
- Publication number
- JPH07122103B2 JPH07122103B2 JP17466491A JP17466491A JPH07122103B2 JP H07122103 B2 JPH07122103 B2 JP H07122103B2 JP 17466491 A JP17466491 A JP 17466491A JP 17466491 A JP17466491 A JP 17466491A JP H07122103 B2 JPH07122103 B2 JP H07122103B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling device
- steel strip
- cooling
- primary
- blower
- 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.)
- Expired - Fee Related
Links
Landscapes
- Coating With Molten Metal (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Description
【０００１】[0001]
【産業上の利用分野】鋼帯を加熱、冷却して熱処理を行
なう熱処理炉の冷却装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooling apparatus for a heat treatment furnace that heats and cools a steel strip to perform heat treatment.
【０００２】[0002]
【従来の技術】熱処理炉においては、鋼帯を所定の温度
に加熱し、１次冷却装置にて所定の温度に冷却し、２次
冷却装置およびクェンチ装置にて常温近くまで冷却して
熱処理を行なっていた。2. Description of the Related Art In a heat treatment furnace, a steel strip is heated to a predetermined temperature, cooled to a predetermined temperature with a primary cooling device, and cooled to near room temperature with a secondary cooling device and a quench device to perform heat treatment. I was doing.
【０００３】また、溶融亜鉛メッキ鋼板製造設備におい
ては、鉄鋼便覧第３版IV二次加工・表面処理・熱処理・
溶接に開示されているように、熱処理した鋼帯を熱処理
炉の出側に配設した溶融亜鉛を貯溜する溶融亜鉛ポット
に鋼帯を浸漬し、溶融亜鉛ポットの上方に配設した、加
熱、保熱、冷却よりなる熱処理炉に送られ亜鉛メッキさ
れた鋼帯は、この加熱装置にて所定の温度に加熱され、
加熱された鋼帯は、保熱装置にて所定の時間保持され、
そして、冷却装置にて所定の温度に冷却されていた。In the hot dip galvanized steel sheet manufacturing facility, the Iron and Steel Handbook 3rd Edition IV secondary processing, surface treatment, heat treatment,
As disclosed in Welding, the heat-treated steel strip is immersed in a molten zinc pot for storing molten zinc arranged on the outlet side of the heat treatment furnace, and the steel strip is arranged above the molten zinc pot, heating, The steel strip that has been sent to a heat treatment furnace consisting of heat retention and cooling and has been galvanized is heated to a predetermined temperature by this heating device,
The heated steel strip is held by the heat retention device for a predetermined time,
Then, it was cooled to a predetermined temperature by the cooling device.
【０００４】この冷却装置は、通常、１次冷却装置、２
次冷却装置およびクェンチ装置に分割され、１次冷却装
置の冷却媒体としてエヤー又は、気水等が用いられてい
た。This cooling device is usually a primary cooling device, 2
It was divided into a secondary cooling device and a quench device, and air or steam was used as a cooling medium for the primary cooling device.
【０００５】この１次冷却装置では、鋼帯を保熱装置に
て保持した温度から所定の温度まで冷却し、その１次冷
却帯の後方に設置した２次冷却帯とクェンチ装置によっ
て常温近くまで冷却することが一般的であった。In this primary cooling device, the steel strip is cooled from the temperature held by the heat retaining device to a predetermined temperature, and the temperature is kept close to room temperature by the secondary cooling zone and the quench device installed behind the primary cooling zone. It was common to cool.
【０００６】この冷却装置として、特公昭61―32391の
開示されているように、１次冷却装置では屋外空気を吸
引して、ブロワーにて400℃程度の鋼帯の両面に冷風を
吹付けて鋼帯を冷却する。As this cooling device, as disclosed in Japanese Examined Patent Publication No. 61-32391, a primary cooling device sucks outdoor air and blows cold air to both sides of a steel strip at about 400 ° C. with a blower. Cool the strip.
【０００７】２次冷却装置（ジェットクーラ）において
も同様の冷却装置が使用され常温近くまで鋼帯を冷却し
ていた。A similar cooling device is also used in the secondary cooling device (jet cooler) to cool the steel strip to near room temperature.
【０００８】[0008]
【発明が解決しようとする課題】１次冷却装置で所定の
温度まで鋼帯を冷却する為に１次冷却装置は、屋外又
は、屋内の空気を吸引し昇圧する吸気ブロワーと鋼帯に
吹付けるウインドボックスと吹き付け後の空気を屋外に
放出する排気ブロワーとで構成され、また、２次冷却装
置においても同様に屋外又は、屋内の空気を吸引し昇圧
する吸気ブロワーと鋼帯に吹付けるウインドボックスと
吹き付け後の空気を屋外へ放出する排気ブロワーとで構
成されていた。In order to cool the steel strip to a predetermined temperature with the primary cooling device, the primary cooling device blows on the intake blower and the steel strip for sucking and boosting the air outdoors or indoors. It is composed of a wind box and an exhaust blower that discharges the air after it is blown to the outside, and in the secondary cooling device as well, it is an intake blower that sucks the air in the outdoor or indoors and raises the pressure, and a wind box that blows it to the steel strip. It was composed of an exhaust blower that discharges the air after spraying to the outside.
【０００９】排気ブロワーは、吸気ブロワーと風量バラ
ンスが必要で、吸気ブロワーと同等容量のブロワーが必
要となる。The exhaust blower needs a balance of air volume with the intake blower, and requires a blower having the same capacity as the intake blower.
【００１０】ブロワーの冷却能力からブロワーは非常に
大容量で形状も大きく、このため吸気ブロワーのみでも
設備レイアウト等の膨大なスペースが必要となる上に、
排気ブロワーのスペースも確保する必要があり、設備が
大がかりとなるだけでなく、単に冷却媒体を排気するた
めに設置するこのブロワーのため、ランニングコストお
よび設備費用が膨大となっていた。Due to the cooling capacity of the blower, the blower has a very large capacity and a large shape. Therefore, even if only the intake blower is used, a huge space such as equipment layout is required.
It is necessary to secure a space for the exhaust blower, and not only the equipment becomes large in size, but also the running cost and the equipment cost are enormous due to this blower installed simply for exhausting the cooling medium.
【００１１】しかし、従来の冷却装置では、吸気ブロワ
ーと排気ブロワーの設置は、機能上必須事項とされてい
た。However, in the conventional cooling device, the installation of the intake blower and the exhaust blower has been regarded as a functionally essential item.
【００１２】発明者はこの必須事項に着目し、ランニン
グコストおよび設備費用の低減のため発明したものであ
る。The inventor has paid attention to this essential matter and has invented to reduce running cost and equipment cost.
【００１３】[0013]
【課題を解決するための手段】１次冷却装置（５）の排
気側に１次冷却装置（５）にて排出する冷却後の媒体を
集合する集合ダクト（10）を連結し、この集合ダクト
（10）の一方側に２次冷却装置（８）の吸気ブロワー
（９）を連結する。A collecting duct (10) for collecting cooled media discharged by the primary cooling device (5) is connected to the exhaust side of the primary cooling device (5), and this collecting duct is connected. The intake blower (9) of the secondary cooling device (8) is connected to one side of (10).
【００１４】そして、集合ダクト（10）内に排気した冷
却媒体を２次冷却装置（８）の吸気ブロワー（９）にて
吸気し、２次冷却装置（８）内の鋼帯（１）に吹き付け
鋼帯（１）を常温近くまで冷却する。Then, the cooling medium exhausted into the collecting duct (10) is sucked by the intake blower (9) of the secondary cooling device (8) to the steel strip (1) in the secondary cooling device (8). Cool the sprayed steel strip (1) to near room temperature.
【００１５】[0015]
【作用】１次冷却装置（５）にて鋼帯（１）に吹き付け
られた冷却媒体は、１次冷却装置（５）の排気側に配設
した集合ダクト（10）内に２次冷却装置（８）の吸気ブ
ロワー（９）によって吸気され、吸気された冷却媒体
は、２次冷却媒体として鋼帯（１）に吹き付け鋼帯
（１）を冷却する。The cooling medium sprayed on the steel strip (1) by the primary cooling device (5) is the secondary cooling device in the collecting duct (10) arranged on the exhaust side of the primary cooling device (5). The cooling medium sucked by the intake blower (9) of (8) is blown onto the steel strip (1) as a secondary cooling medium to cool the steel strip (1).
【００１６】このように２次冷却装置（８）の吸気ブロ
ワー（９）を１次冷却装置（５）の排気ブロワーと兼用
したので１次冷却装置の排気ブロワーが不要となる。Since the intake blower (9) of the secondary cooling device (8) is also used as the exhaust blower of the primary cooling device (5), the exhaust blower of the primary cooling device becomes unnecessary.
【００１７】[0017]
【実施例】図１は、本発明の１実施例を示す全体図であ
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is an overall view showing one embodiment of the present invention.
【００１８】図１に示すように熱処理した鋼帯（１）を
溶融亜鉛ポット（２）内に浸漬して鋼帯（１）に亜鉛メ
ッキを施し、そして、その溶融亜鉛ポット（２）の上方
に配設した加熱装置（３）により所定の温度に加熱し、
次に、所定の温度で所定の時間保熱する保熱装置（４）
を通過して、鋼帯の亜鉛メッキの合金化処理を行う。As shown in FIG. 1, the heat-treated steel strip (1) is dipped in the molten zinc pot (2) to galvanize the steel strip (1), and above the molten zinc pot (2). Is heated to a predetermined temperature by a heating device (3) arranged in
Next, a heat retaining device (4) for retaining heat at a predetermined temperature for a predetermined time
The steel sheet is galvanized and alloyed.
【００１９】そして、その鋼帯は、１次冷却装置（５）
に送られ、１次冷却装置（５）にて所定の冷却を行い、
２次冷却装置（８）およびクェンチ装置（11）へと順次
送られ冷却を行なう。Then, the steel strip has a primary cooling device (5).
Sent to the primary cooling device (5) for predetermined cooling,
It is sequentially sent to the secondary cooling device (8) and the quench device (11) for cooling.
【００２０】１次冷却装置（５）は、屋内または屋外か
らの空気を吸気する吸気ブロワー（６）と吸気ブロワー
（６）から吐出する冷却用空気を鋼帯（１）に吹き付け
て冷却するウィンドボックス（13）と冷却チャンバー
（14）からなり、ウィンドボックス（13）は、このチャ
ンバー（14）内に鋼帯をはさんで対設している。The primary cooling device (5) is a wind blower (6) for sucking in air from indoors or outdoors and a window for cooling the steel strip (1) with cooling air discharged from the intake blower (6). It consists of a box (13) and a cooling chamber (14), and a wind box (13) is placed inside the chamber (14) with a steel strip sandwiched between them.
【００２１】鋼帯（１）は、このウィンドボックス（1
3）間を通過して所定の冷却を行う。The steel strip (1) is attached to the wind box (1
3) Pass through the space and perform the prescribed cooling.
【００２２】１次冷却に使用した冷却媒体は、１次冷却
装置チャンバー（14）の一方側に連結した集合ダクト
（10）に回収する。The cooling medium used for the primary cooling is collected in the collecting duct (10) connected to one side of the primary cooling device chamber (14).
【００２３】集合ダクト（10）には、２次冷却装置
（８）の吸気ブロワー（９）を連結し、この吸気ブロワ
ー（９）によって１次冷却装置チャンバー（14）内の冷
却媒体は、集合ダクト（10）に吸引する。An intake blower (9) of a secondary cooling device (8) is connected to the collecting duct (10), and the cooling medium in the primary cooling device chamber (14) is collected by the intake blower (9). Aspirate into duct (10).
【００２４】集合した冷却媒体は、２次冷却装置（８）
の吸気ブロワー（９）によって２次冷却装置内のウィン
ドボックス（15）より吐出してウィンドボックス（1
５）間を通過する鋼帯（１）に吹き付けて鋼帯（１）を
冷却する。The assembled cooling medium is the secondary cooling device (8).
It is discharged from the wind box (15) in the secondary cooling device by the intake blower (9) of
5) Cool the steel strip (1) by spraying it onto the steel strip (1) passing through the space.
【００２５】このウィンドボックス（15）も１次冷却装
置内のウィンドボックス（13）と同様に２次冷却装置チ
ャンバー（16）内に鋼帯をはさんで対設している。This wind box (15) also has a steel strip sandwiched between them in the secondary cooler chamber (16) like the wind box (13) in the primary cooler.
【００２６】２次冷却装置（８）にて吹き付けた冷却媒
体は、２次冷却装置チャンバー（16）に連結した排気ダ
クト（12）より屋外へ排出する。The cooling medium sprayed by the secondary cooling device (8) is discharged to the outside through an exhaust duct (12) connected to the secondary cooling device chamber (16).
【００２７】また、２次冷却装置は、据え付け等取り扱
いが容易なように、分割してユニット化し、２次冷却装
置の吸気ブロワーも冷却装置の分割に合わせて複数台設
置している。Further, the secondary cooling device is divided into units for easy handling such as installation, and a plurality of intake blowers of the secondary cooling device are also installed according to the division of the cooling device.
【００２８】そして、各ユニット間を連結し、ウィンド
ボックスから吹き付ける冷却媒体が屋内に洩れないよう
に、考慮している。The units are connected to each other so that the cooling medium sprayed from the wind box does not leak indoors.
【００２９】これにより、高さ方向に連結したユニット
によりドラフト効果が期待でき、このドラフト効果によ
り所定の位置に配置した排気ダクトにて２次冷却装置に
て使用した冷却媒体は、屋外に放出することが可能とな
る。As a result, a draft effect can be expected by the units connected in the height direction, and the cooling medium used in the secondary cooling device in the exhaust duct arranged at a predetermined position is discharged to the outside by this draft effect. It becomes possible.
【００３０】[0030]
【発明の効果】このように、１次冷却装置と２次冷却装
置を集合ダクトと吸気ブロワで連結したので１次冷却装
置での排気ブロワが不要となり、設備コスト及びランニ
ングコストは非常に、削減でき、設置スペースも最小限
に抑えることができ設備的効果は非常に大きい。As described above, since the primary cooling device and the secondary cooling device are connected by the collecting duct and the intake blower, the exhaust blower in the primary cooling device becomes unnecessary, and the equipment cost and running cost are greatly reduced. It can be installed, the installation space can be minimized, and the facility effect is very large.
【図１】本発明の１実施例を示す全体図である。FIG. 1 is an overall view showing an embodiment of the present invention.
１ 鋼帯 ２ 溶融亜鉛ポット ３ 加熱装置 ４ 保熱装置 ５ １次冷却装置 ６、９ 吸気ブロワー ７ トップロール ８ ２次冷却装置 10 集合ダクト 11 クェンチ装置 12 排気ダクト 13、15 ウィンドボックス 14、16 冷却チャンバー 1 Steel strip 2 Molten zinc pot 3 Heating device 4 Heat retention device 5 Primary cooling device 6, 9 Intake blower 7 Top roll 8 Secondary cooling device 10 Collecting duct 11 Quench device 12 Exhaust duct 13, 15 Windbox 14, 16 Cooling Chamber
───────────────────────────────────────────────────── フロントページの続き (72)発明者 西本 澄雄 福岡県北九州市戸畑区大字中原46―59 新 日本製鐵株式会社 機械・プラント事業部 内 (56)参考文献 特公 昭61−32391（ＪＰ，Ｂ２) ─────────────────────────────────────────────────── --- Continuation of the front page (72) Inventor Sumio Nishimoto 46-59 Nakahara, Tobata-ku, Kitakyushu City, Fukuoka 46-59 Nippon Steel Corporation Machinery & Plant Division (56) References Japanese Patent Publication No. Sho 61-32391 (JP) , B2)
Claims (1)
冷却して熱処理する熱処理炉の冷却装置において、鋼帯
（１）を加熱温度から所定の温度まで冷却する１次冷却
装置（５）と、１次冷却温度（５）から所定の温度まで
冷却する２次冷却装置（８）とに分割し、１次冷却装置
（５）での冷却後の冷却媒体を集合する集合ダクト（1
0）を１次冷却装置（５）に連結し、この集合ダクト（1
0）に２次冷却装置（８）の吸気ブロワー（９）を連結
して２次冷却装置（８）の冷却媒体とすることを特徴と
する熱処理炉の冷却装置。1. A steel strip (1) after hot dip galvanization is heated,
In a cooling device of a heat treatment furnace for cooling and heat treatment, a primary cooling device (5) for cooling a steel strip (1) from a heating temperature to a predetermined temperature and a primary cooling temperature (5) for cooling to a predetermined temperature A collecting duct (1) that is divided into a secondary cooling device (8) and collects the cooling medium after cooling in the primary cooling device (5)
0) is connected to the primary cooling device (5) and this collecting duct (1
A cooling device for a heat treatment furnace, characterized in that an intake blower (9) of a secondary cooling device (8) is connected to 0) to serve as a cooling medium for the secondary cooling device (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17466491A JPH07122103B2 (en) | 1991-06-20 | 1991-06-20 | Cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17466491A JPH07122103B2 (en) | 1991-06-20 | 1991-06-20 | Cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04371530A JPH04371530A (en) | 1992-12-24 |
| JPH07122103B2 true JPH07122103B2 (en) | 1995-12-25 |
Family
ID=15982541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17466491A Expired - Fee Related JPH07122103B2 (en) | 1991-06-20 | 1991-06-20 | Cooling system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07122103B2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6132391B2 (en) | 2013-03-05 | 2017-05-24 | 株式会社蒼龍刃物製作所 | Formwork fixture, formwork fastening structure, formwork assembly and demolding method |
-
1991
- 1991-06-20 JP JP17466491A patent/JPH07122103B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6132391B2 (en) | 2013-03-05 | 2017-05-24 | 株式会社蒼龍刃物製作所 | Formwork fixture, formwork fastening structure, formwork assembly and demolding method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04371530A (en) | 1992-12-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19960618 |
|
| LAPS | Cancellation because of no payment of annual fees |