JPS6347341A - Method for recovering heat of metallic strip - Google Patents
Method for recovering heat of metallic stripInfo
- Publication number
- JPS6347341A JPS6347341A JP19170986A JP19170986A JPS6347341A JP S6347341 A JPS6347341 A JP S6347341A JP 19170986 A JP19170986 A JP 19170986A JP 19170986 A JP19170986 A JP 19170986A JP S6347341 A JPS6347341 A JP S6347341A
- Authority
- JP
- Japan
- Prior art keywords
- water
- heat
- cooling
- heat exchanger
- recovered
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000001816 cooling Methods 0.000 claims abstract description 37
- 239000000498 cooling water Substances 0.000 claims abstract description 19
- 238000011084 recovery Methods 0.000 claims abstract description 17
- 238000000137 annealing Methods 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 34
- 238000011109 contamination Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
Landscapes
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
て冷却１−る加熱金属帯冷却方法においで、冷却水に回
収した熱エネルギーを有効に回収する金属帯の熱回収方
法に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Field of Application> The present invention relates to a method for recovering heat from a metal strip, which effectively recovers thermal energy recovered into cooling water in a method for cooling a heated metal strip.
〈従来の技術〉
連続焼鈍炉、連続焼準炉等の焼鈍炉設備で加熱された金
属帯を冷却域で冷却する方法のうち、ミスト冷却やウオ
ータークエンチング冷却では、加熱された金属帯に水を
直接接触させて冷却している。<Prior art> Among the methods of cooling a metal strip heated in an annealing furnace equipment such as a continuous annealing furnace and a continuous normalizing furnace in a cooling region, mist cooling and water quenching cooling involve adding water to the heated metal strip. is cooled by direct contact with the
これらの冷却方法では使用済の水は汚わており、そのま
までは使用できないので、従来は捨てるか又はクーリン
グタワーなとで冷却し、清浄にしてから再使用する方法
を採用していた。In these cooling methods, the used water is contaminated and cannot be used as is, so conventional methods have been to throw it away or cool it in a cooling tower, clean it, and then reuse it.
〈発明か解決しようとする問題点〉
上述した、直接、水を金属帯に接触させる金属帯の冷却
方法は、極めて有効な冷却方法ではあるが、金属帯と接
触した水は金属帯から熱を奪い、高温または蒸気化され
高い熱工の水は金属帯と接触して汚れているから、熱エ
ネルギーをもっていても、そのまま捨てるか・低温にす
るための処理後、再利用しておった。<Problem to be solved by the invention> The above-mentioned method of cooling a metal strip by bringing water into direct contact with the metal strip is an extremely effective cooling method, but the water that comes into contact with the metal strip absorbs heat from the metal strip. The high temperature or vaporized water from heat engineering comes into contact with metal strips and becomes contaminated, so even if it still has thermal energy, it is either discarded as is or reused after being treated to a lower temperature.
この発明は、従来の金属帯冷却方法における以上の不具
合を解消するためになされたものであって、加熱金属帯
を冷却域において、直接水と接触させて冷却すると共に
、冷却用清水に回収した熱を有効に回収するための金属
帯の熱回収方法を提供しようとするものである。This invention was made in order to solve the above-mentioned problems in the conventional metal strip cooling method. The present invention aims to provide a method for recovering heat from a metal band for effectively recovering heat.
また、この発明は加熱金属帯を水と直接接触させて冷却
すると共に、冷却水から、有効に熱回収し、さらに清浄
化できる金属帯の熱回収方法を提供しようとするもので
ある。Another object of the present invention is to provide a method for recovering heat from a metal band, which allows the heated metal band to be cooled by bringing it into direct contact with water, and which can effectively recover heat from the cooling water and further purify the metal band.
〈問題点を解決するための手段〉
上述の目的を達成するための、この発明の金属帯の熱回
収方法は、
焼鈍炉内で加熱した金属帯を冷却域において水と直接接
触させて冷却し、金属帯の熱回収冷却水は貯水タンクを
通して前記冷却域に９運する循環水系を形成させると共
に、当該循環水系内に熱交換器を配置し、熱交換器を介
し前記熱回収冷却水の回収熱を他の熱回収媒体と熱交換
せしめることを特徴とするものである。<Means for Solving the Problems> In order to achieve the above-mentioned object, the metal strip heat recovery method of the present invention cools the metal strip heated in an annealing furnace by bringing it into direct contact with water in a cooling zone. , a circulating water system is formed in which the heat recovery cooling water from the metal band passes through a water storage tank to the cooling area, and a heat exchanger is disposed within the circulating water system, and the heat recovery cooling water is recovered through the heat exchanger. It is characterized by exchanging heat with another heat recovery medium.
さらに、この発明は循環水系内に貯水タンクの他にスケ
ール分離機を設けることによって冷却清水を清浄化した
ものである。Furthermore, the present invention purifies the cooled water by providing a scale separator in addition to the water storage tank in the circulating water system.
く作 用〉
以上のように、金属帯を冷却域において水と直接接触さ
せて冷却させるに当り、冷却済の水を貯水タンクを通し
て冷却域に帰遷させるようにすると共に、この循環水系
内に熱交換器を配置し、冷却清水の回収した熱を熱交換
器を介し他の清浄な水と熱交換させることができるのみ
ならず、金属帯から奪った熱を清浄な熱回収用水に与え
ることによって。As described above, when the metal strip is brought into direct contact with water in the cooling zone to be cooled, the cooled water is returned to the cooling zone through the water storage tank, and the water is By arranging a heat exchanger, not only can the heat recovered from the cooling clean water be exchanged with other clean water via the heat exchanger, but also the heat taken from the metal strip can be given to the clean water for heat recovery. By.
この水を循環させて冷却域で使用したり、他の部分で利
用することができる。This water can be circulated and used in the cooling zone or used elsewhere.
く実 施 例〉
つぎに、この発明の代表的な実施例に基づいて、発明内
容を具体的に説明する。Embodiments Next, the content of the invention will be specifically explained based on typical embodiments of the invention.
第１図は、この発明の金属帯の熱回収方法の原理構成を
示し、１および２は、図示外の焼鈍炉で加熱された金属
帯３の冷却域、４は冷却域ｌおよび２において金属帯３
と直接接触した冷却水を集める貯水タンク、５は貯水タ
ンク４に集めた水の熱量を熱回収用冷却水６に交換させ
る熱交換器である。FIG. 1 shows the principle configuration of the metal strip heat recovery method of the present invention, where 1 and 2 are cooling zones for a metal strip 3 heated in an annealing furnace (not shown), and 4 is a cooling zone for metal strips 1 and 2. Obi 3
A water storage tank 5 is a heat exchanger that exchanges the heat of the water collected in the water storage tank 4 with the heat recovery cooling water 6.
このような構成により、金属帯３から奪った熱をきれい
な熱回収用冷却水６に与えると共に、図示しないポンプ
等の強制循環装置によって水６を冷却域１．２に循環さ
せたり、他の部分で使用することによって、熱エネルギ
ーを有効利用することができる。With such a configuration, the heat taken from the metal band 3 is given to the clean cooling water 6 for heat recovery, and the water 6 is circulated to the cooling area 1.2 by a forced circulation device such as a pump (not shown), or to other parts. By using this, thermal energy can be used effectively.
第２図は、この発明の具体的な実施例の構成を示し、高
温の金属帯３を冷却域１．２方向へ移送し、この冷却域
１．２において水と直す妾接触させて冷却するものであ
って、冷却域１は気水冷却、冷却域２では水７；ｉ清冷
却水により金属帯３を直接水と接触させて冷却する。FIG. 2 shows the configuration of a specific embodiment of the present invention, in which a high-temperature metal band 3 is transferred to a cooling zone 1.2 and brought into contact with water in this cooling zone 1.2 to be cooled. The cooling zone 1 is air-water cooled, and the cooling zone 2 is cooled by bringing the metal band 3 into direct contact with water using fresh cooling water.
そして、冷却域１および２では使用した水は第２図に示
すようにスケール除去装置８に集められ、冷却用済の水
中のスケールなどの汚れが取り除かれる。スケール除去
装置８に入った冷却用済の水の一部は、冷却域から霧状
になフて出たものを微粒収集装置７によって集めたちの
である。スケール除去装置８によってきれいになった水
はタンク４に集めた後、図示ポンプによって冷却域２側
に循環させて再び冷却水に使用する。また、冷却域２で
はそのまま使用する。たたし冷却域ｌでは熱交換器５を
通して冷却水６に回収した熱量を与えて冷却された水を
冷却域１に循環させる。The water used in the cooling zones 1 and 2 is collected in a scale removing device 8 as shown in FIG. 2, and scale and other stains in the water used for cooling are removed. A part of the water used for cooling that has entered the scale removing device 8 is blown out from the cooling area in the form of mist and is collected by the particulate collector 7. The water cleaned by the scale remover 8 is collected in the tank 4, and then circulated to the cooling area 2 side by the illustrated pump to be used as cooling water again. In addition, in cooling zone 2, it is used as is. In the cooling zone 1, the recovered heat is given to the cooling water 6 through the heat exchanger 5, and the cooled water is circulated to the cooling zone 1.
熱交換器５の一方に導入した熱回収用冷却水６は、熱交
換器５において、熱交換し、暖められ、他の部分で利用
する。The heat recovery cooling water 6 introduced into one of the heat exchangers 5 undergoes heat exchange in the heat exchanger 5, is heated, and is used in other parts.
また、貯水タンク４には水が不足しないよう補給水９が
入れられる。Also, supplementary water 9 is put into the water storage tank 4 so that there is no shortage of water.
〈発明の効果〉
以上の説明から明らかなように、この発明による金属帯
の熱回収方法は金属帯と直接接触する冷却水を、熱交換
器を介して他の熱回収集水と熱交換させることにより、
こわまで無駄に捨てられていた冷却水の回収した熱量を
、再利用できるようにしたものであって、金属帯の熱を
きれいな水で回収できるという、従来にない仔効な熱回
収方法である。<Effects of the Invention> As is clear from the above explanation, the metal band heat recovery method according to the present invention exchanges heat between the cooling water that is in direct contact with the metal band and other heat recovery and collection water via a heat exchanger. By this,
The heat recovered from the cooling water, which was previously wasted, can now be reused.It is an unprecedented and effective heat recovery method that allows the heat from the metal strip to be recovered using clean water. .
第１図はこの発明にかかる金属帯の熱回収方法の原理構
成図、第２図はこの発明による実施例の構成図である。
図中、１．２・・・冷却域、
３・・・金属帯、
４・・・貯水タンク、
５・−熱交換器、
６・・・熱回収用冷却水。
第１図
第２図FIG. 1 is a diagram illustrating the principle of a method for recovering heat from a metal strip according to the present invention, and FIG. 2 is a diagram illustrating an embodiment of the present invention. In the figure, 1.2... Cooling area, 3... Metal band, 4... Water storage tank, 5... Heat exchanger, 6... Cooling water for heat recovery. Figure 1 Figure 2
Claims (2)
直接接触させて冷却し、金属帯の熱回収冷却水は貯水タ
ンクを通して前記冷却域に帰還する循環水系を形成させ
ると共に、当該循環水系内に熱交換器を配置し、熱交換
器を介し前記熱回収冷却水の回収熱を他の熱回収媒体と
熱交換せしめることを特徴とする金属帯の熱回収方法。(1) The metal strip heated in the annealing furnace is cooled by direct contact with water in the cooling zone, and the heat recovery cooling water of the metal strip returns to the cooling zone through a water storage tank to form a circulating water system, and A method for recovering heat from a metal band, characterized in that a heat exchanger is disposed in a water system, and the recovered heat of the heat recovery cooling water is heat exchanged with another heat recovery medium via the heat exchanger.
スケール分離機を設けることを特徴とする特許請求の範
囲第１項記載の金属帯の 熱回収方法。(2) A method for recovering heat from a metal strip according to claim 1, characterized in that a scale separator is provided in the circulating water system in addition to a water storage tank and a heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19170986A JPS6347341A (en) | 1986-08-18 | 1986-08-18 | Method for recovering heat of metallic strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19170986A JPS6347341A (en) | 1986-08-18 | 1986-08-18 | Method for recovering heat of metallic strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6347341A true JPS6347341A (en) | 1988-02-29 |
Family
ID=16279172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19170986A Pending JPS6347341A (en) | 1986-08-18 | 1986-08-18 | Method for recovering heat of metallic strip |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6347341A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0234729A (en) * | 1988-07-22 | 1990-02-05 | Kawasaki Steel Corp | Method for controlling injection of water into dip cooler in continuous annealing furnace |
| JPH0234728A (en) * | 1988-07-22 | 1990-02-05 | Kawasaki Steel Corp | Method for controlling injection of water into dip cooler in continuous annealing furnace |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58209414A (en) * | 1982-05-31 | 1983-12-06 | Kawasaki Steel Corp | Heat recovering method of hot rolled strip |
| JPS59120315A (en) * | 1982-12-28 | 1984-07-11 | Mitsubishi Heavy Ind Ltd | Sensible heat recovering device |
| JPS613855A (en) * | 1984-06-19 | 1986-01-09 | Nippon Denso Co Ltd | Manufacture of fiber reinforced metallic composite material |
-
1986
- 1986-08-18 JP JP19170986A patent/JPS6347341A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58209414A (en) * | 1982-05-31 | 1983-12-06 | Kawasaki Steel Corp | Heat recovering method of hot rolled strip |
| JPS59120315A (en) * | 1982-12-28 | 1984-07-11 | Mitsubishi Heavy Ind Ltd | Sensible heat recovering device |
| JPS613855A (en) * | 1984-06-19 | 1986-01-09 | Nippon Denso Co Ltd | Manufacture of fiber reinforced metallic composite material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0234729A (en) * | 1988-07-22 | 1990-02-05 | Kawasaki Steel Corp | Method for controlling injection of water into dip cooler in continuous annealing furnace |
| JPH0234728A (en) * | 1988-07-22 | 1990-02-05 | Kawasaki Steel Corp | Method for controlling injection of water into dip cooler in continuous annealing furnace |
| JPH0583617B2 (en) * | 1988-07-22 | 1993-11-26 | Kawasaki Steel Co | |
| JPH0583618B2 (en) * | 1988-07-22 | 1993-11-26 | Kawasaki Steel Co |
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