JPS6299415A - Operating method by utilizing waste gas of ingot heating installation - Google Patents
Operating method by utilizing waste gas of ingot heating installationInfo
- Publication number
- JPS6299415A JPS6299415A JP23973385A JP23973385A JPS6299415A JP S6299415 A JPS6299415 A JP S6299415A JP 23973385 A JP23973385 A JP 23973385A JP 23973385 A JP23973385 A JP 23973385A JP S6299415 A JPS6299415 A JP S6299415A
- Authority
- JP
- Japan
- Prior art keywords
- waste gas
- exhaust gas
- heating furnace
- heating
- preheating
- 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
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は製鋼工場から圧延工場へ運ばれる鋼片の条件、
すなわち、鋼片の温度、装入加熱までの時間等により、
鋼片加熱炉から出た排ガスを熱経済的に最も有利な条件
（経路）で熱回収する銅片加熱設備の排ガス利用運転方
法に関するものである。[Detailed Description of the Invention] Industrial Field of Application The present invention relates to the conditions of steel billet transported from a steel mill to a rolling mill,
In other words, depending on the temperature of the steel billet, the time until charging and heating, etc.
The present invention relates to a method of operating a copper piece heating facility using exhaust gas, which recovers heat from the exhaust gas emitted from a steel piece heating furnace under thermoeconomically most advantageous conditions (routes).
従来の技術
従来、銅片加熱設備における熱回収のための排ガスの利
用ケースは次の如く分類され１行われている。BACKGROUND OF THE INVENTION Conventionally, the use of exhaust gas for heat recovery in copper piece heating equipment has been classified as follows.
くモデルノン 鋼片加熱炉→燃焼用空気予熱装置→煙突
くモデル−〉 鋼片加熱炉→加熱油鋼片の予熱又は保温
装置→煙突
くモデル３〉 鋼片加熱炉→燃焼用空気予熱装置→ＪＪ
Ｉ熱前鋼片の予熱又は保温
装置→煙突
くそデル＆＞ 鋼片加熱炉→加熱油鋼片の予熱又は保
温装置→燃焼用空気予熱
装置→煙突
くモデルＳン 鋼片加熱炉→煙突
発明が解決しようとする問題点
従来、鋼片加熱炉設備にお匹て省エネルギーを目的とし
た熱回収方法は、前記のモデルｌ、モデル−、モデル３
．モデルゲが代表的モデルであるが、各モデルケースと
も単一の排ガス経路で使用されており、各々のモデルを
併用することができな藝ので、必らすしも調定のできる
ものでになか′つた。父、被加熱鋼片は常温から約ｌθ
θθ°Ｃまで温ＩＷのばらつきが大キく、加熱前鋼片の
予熱又は保温装置への加熱炉排ガスの単一経路供給には
問題がある。Model Non Sculpture heating furnace → Combustion air preheating device → Chimney model −> Slablet heating furnace → Heating oil billet preheating or insulation device → Chimney model 3 Slablet heating furnace → Combustion air preheating device → J.J.
Pre-heating or heat-insulating device for billets before I heating → chimney damn del&> billet heating furnace → heating oil pre-heating or keeping warm device for billets → combustion air pre-heating device → chimney model S billet heating furnace → chimney invention Problems to be Solved Conventionally, heat recovery methods aimed at saving energy in steel billet heating furnace equipment are the above-mentioned Model I, Model-, and Model 3.
．． Model G is a typical model, but since each model case is used in a single exhaust gas path and it is not possible to use each model together, it is not necessary or possible to adjust it. Ivy. Father, the steel piece to be heated is about lθ from room temperature.
There is a large variation in temperature IW up to θθ°C, and there is a problem with preheating the billet before heating or supplying heating furnace exhaust gas to the heat retention device in a single route.
本発明は従来方式の単一の排１１ス経路による熱回収の
欠点を改良し、銅片加熱設備から出る排ガスを最も有効
６ど使用で八る熱経済的に有利な銅片加熱設備の排ガス
利用による運転方法を提供（、ようとする本のである。The present invention improves the drawbacks of heat recovery using a single exhaust path in the conventional method, and utilizes the exhaust gas emitted from the copper piece heating equipment in the most effective way. This is a book that tries to provide driving methods by using.
間趙点を解決するための手段
本発明を実施例図について説明すると、銅片加熱設備（
Ｐ Ｒ）の排ガスを、燃焼用空気予熱装置（轡と、温度
が常温から摂氏約／θθθ度までばらつく被加熱鋼片を
予熱或いは保温する加熱前鋼片予熱又は保温装置ｔ （
１”） −（Ｆ’）と、さらに昇圧ファン（排風機）（
Ｂ）を経て煙突（Ｓ）へと、複数の分岐排ガス経路（ａ
） −ｔｂＪ、 ｆｃ）、 （ｄ）、（ｅ） −（ｆ）
−（ｇ）とソノ分岐排ガス経％ ４コ設ケタ４ ｅ
（Ｄ ／（ルア’ （Ｖｌ）、 （Ｖａ）、 （Ｖ３１
（Ｖ＊）、（Ｖｔａ（ｖ６）、（Ｖ７）、 （Ｖｓ）
の操作によって、ｊ１不同に排ガス経路を自由自在に切
り替えることにより、銅片加熱設備の必要とする前記装
置へ排ｉｆスを導入させ。Means for Solving the Problem of Intercontinental Points To explain the present invention with reference to an embodiment diagram, the copper piece heating equipment (
The combustion air preheating device (轡) and the pre-heating steel billet preheating or heat retention device t (which preheats or keeps warm the heated steel billet whose temperature varies from room temperature to approximately Celsius/θθθ degrees)
1”) - (F') and further booster fan (exhaust fan) (
B) to the chimney (S), multiple branch exhaust gas paths (a
) −tbJ, fc), (d), (e) −(f)
-(g) and sono branch exhaust gas weight % 4 setting digits 4 e
(D / (Lua' (Vl), (Va), (V31
(V*), (Vta(v6), (V7), (Vs)
The exhaust gas is introduced into the equipment required by the copper piece heating equipment by freely switching the exhaust gas route through the operation.
熱経済的に最も有利な経路で熱回収するものである。Heat is recovered through the most thermoeconomically advantageous route.
作 用
この発明の銅片加熱設備の排ガス利用による運転方式の
モデルケースとして。Function: As a model case of the operation method of the copper piece heating equipment of this invention using exhaust gas.
ｌ 銅片加熱設備（ＲＦ）から出る排ガスを燃焼用空気
予熱装置的に導入して排ガス熱を回収使用し、昇圧ファ
ン（排風機）（Ｂ）を経て煙突（８）に排気する場合ニ
、バルブ（Ｖｘ）−（Ｖ３）−（Ｖ４）、 （Ｖａ）、
（ＶＢ） ヲ閉（ＵＰ Ｆ ） 、 バルブ（Ｖｚ）
、（Ｖａ）、（％’ｙ） ヲ開（ＯＮ ） Ｉｎ切替え
る。l In the case where the exhaust gas emitted from the copper piece heating equipment (RF) is introduced as a combustion air preheater, the exhaust gas heat is recovered and used, and is exhausted to the chimney (8) via the booster fan (exhaust fan) (B). Valve (Vx) - (V3) - (V4), (Va),
(VB) wo close (UP F), valve (Vz)
, (Va), (%'y) Open (ON) In switch.
ユ 銅片加熱設備（ＲＦ ）の排ガスを加熱前鋼片予熱
装置又は保温装置ｔ（Ｌ”）に導入して熱回収させ。Exhaust gas from the copper piece heating equipment (RF) is introduced into the steel piece preheating device or heat retention device t (L”) before heating to recover heat.
昇圧ファン（排風機） （Ｈ）を経て煙突番と排気する
場合ｕ、 バルブ（Ｖｌ）、（Ｖ４＞ ヲ開（ＯＮ）、
ハｎｔ−ｊ （Ｖ２’）。When exhausting to the chimney via the boost fan (exhaust fan) (H), u, valve (Vl), (V4> open (ON),
Hant-j (V2').
（Ｖａ）、（Ｖａ）、（Ｖａ）、（Ｖ７）、（Ｖａ）ヲ
閉（ＯＦ Ｆ ） ＋ｃ切Ｖ、する。(Va), (Va), (Va), (V7), (Va) Close (OF) +c off V, do.
３ 銅片加熱設備（ｌ（、Ｆ ）の排ガスを燃焼用空気
予熱装置ｔ（）す→加熱前鋼片予熱又は保温装置（Ｆ′
）に導入して熱回収させた後、昇圧ファン（排風機）（
Ｂ）を経て煙突に排気させる場合は、バルブ（Ｖｘ）、
（Ｖ３）。3 The exhaust gas from the copper piece heating equipment (l (, F
) to recover heat, then a booster fan (exhaust fan) (
When exhausting to the chimney via B), the valve (Vx),
(V3).
（Ｖａ）、（Ｖａ） ヲ閉（ＯＦ Ｆ ） 、 バルブ
（Ｖｚ）、 （Ｖ４）、＃５）、（Ｖｌ７）を開（ＯＮ
）１こ切替える。(Va), (Va) Close (OF), Valve (Vz), (V4), #5), (Vl7) open (ON)
)1 switch.
ｔ 銅片加熱設備（Ｂ、Ｆ）の排ガスを加熱前鋼片予熱
又は保温装置（Ｆ′）→燃焼用空気予熱装置１ｔ（Ｒ）
に導入して熱回収させた後、昇圧ファン（排風機）（Ｂ
）→煙突（８）ニ排気ｆ ６１４合ｄ、 ハル７’（Ｖ
ｌ）、（Ｖ３）、（Ｖａ）。t Preheating the steel billet before heating the exhaust gas from the copper billet heating equipment (B, F) or keeping it warm (F') → Combustion air preheating device 1t (R)
After the heat is recovered, a booster fan (exhaust fan) (B
)→Chimney (8) 2 exhaust f 614 joint d, hull 7' (V
l), (V3), (Va).
（Ｖ７） ヲＩＭ （ＯＮ ） 、 ハル７’ （Ｖａ
）、（Ｖ４）、（Ｖａ）、（ｖ８）を閉（ＯＦＦ）ｉこ
切替える。(V7) WOIM (ON), Hull 7' (Va
), (V4), (Va), and (v8) are switched OFF.
Ｓ 銅片加熱設備（ｌ（、Ｆ）の排ガスを昇圧ファン（
排風機）を経て煙突に排気する場合は、バルブ（Ｖａ）
、 （Ｖｓ）ヲ開（ＯＮ ） 、 バルブ（Ｖｌ）、
（Ｖ３）、（Ｖ４）、（Ｖａ）、 （Ｖａ）、（Ｖ７）
ヲ閉（ＯＦ Ｆ ） Ｉｎ切替、ｔ ；Ｅｓ。S The exhaust gas of the copper piece heating equipment (l (, F) is transferred to the booster fan (
When exhausting air to the chimney via an exhaust fan), use the valve (Va)
, (Vs) open (ON), valve (Vl),
(V3), (V4), (Va), (Va), (V7)
wo close (OFF) In switch, t ; Es.
上記運転操作方法を表にまとめて下記に示す。The above operation methods are summarized in a table below.
Ｓ− 運転操作方法 実施例 本発明の一実施例を図面番こついて説明すると。S- Driving operation method Example An embodiment of the present invention will be explained with reference to drawing numbers.
（Ｒ，Ｆ）は銅片加熱設備（加熱炉）、（Ｆ″ｌは加熱
前鋼片予熱又は保温装置で、常温から摂氏約ｌθθθ度
までばらつきのある被加熱鋼片を装入して予熱又は保温
する本のである。（ｌ（）ｉｆ燃焼用空気予熱装置で、
燃焼用空気は銅片加熱設備感ご供給される、（Ｂ）は昇
圧ファン（排風機＞ 、 （Ｓ）は煙突である。(R, F) is a copper piece heating equipment (heating furnace), (F″l is a device for preheating a steel piece before heating or insulating it, and preheats the steel piece to be heated, which varies from room temperature to about lθθθ degrees Celsius. Or a book to keep warm.(l()if combustion air preheating device,
Combustion air is supplied by the copper piece heating equipment, (B) is a booster fan (exhaust fan), (S) is the chimney.
（ａ）−（ｂ）−（ｃ）、 （ｄ）−（ｅ）、 （ｆ）
−（ｇ）は銅片加熱設備１こおける多岐の排ガス経路、
ＣＶｌ）〜（ｖ８）は前記の各排ガス経路に設けたガ
ス経路切替のためのバルブである。(a)-(b)-(c), (d)-(e), (f)
-(g) shows various exhaust gas routes in one copper piece heating equipment,
CVl) to (v8) are valves provided in each of the exhaust gas paths for switching gas paths.
−ルー
発明の効果
以−Ｌ説明したように１本発明の銅片加熱設備の排ノｆ
ス利７ｔｉ ｉこよる運転方式は、従来方式の如く一定
１ホ４路の単−一の排ガス経路による熱回収ではなく一
１ｌＮＩｅのモデル／、モデル！、モデル３、モデルｑ
番こ示す如くバルブ切替えにより、銅片加熱設備、装＋
１のいかなる排ガス経路にも切替えることがで角、熱経
済的に最も有利な条件での熱回収が可能となり、燃料消
費量の低減に大きく寄与【７．コストを大巾に低下させ
ることができる特偵を有するものである。-Effects of the Leu Invention-LAs explained above, the exhaust nozzle f of the copper piece heating equipment of the present invention is
The operating system of the 7ti i is a 11lNIe model/, model, rather than the conventional method where heat is recovered by a single exhaust gas path of 1 x 4 paths. , model 3, model q
By switching the valve as shown in the figure, copper piece heating equipment,
It is possible to switch to any exhaust gas route in 1. This makes it possible to recover heat under the most thermoeconomically advantageous conditions, which greatly contributes to reducing fuel consumption [7. It has special detectives that can significantly reduce costs.
図面は本発明の一実施例を示す説明図である。
（ｕ、 Ｆ ＞ ・・銅片加熱設備、（Ｆ′）・・加
熱油鋼片予熱又は保温装置、四・・燃焼用空気予熱装（
ｔ、（Ｂ＋・・昇圧ファン（排風機） 、 （Ｓ）・・
煙突−（Ｖｌ）〜（ｖ８）・・バルブ、（ａｌ〜（ｇ）
・・分岐した排ガス経路。
７一The drawings are explanatory diagrams showing one embodiment of the present invention. (u, F >...Copper piece heating equipment, (F')...Heating oil steel piece preheating or heat retention device, 4...Combustion air preheating equipment (
t, (B+...boost fan (exhaust fan), (S)...
Chimney - (Vl) ~ (v8)... Valve, (al ~ (g)
・Branched exhaust gas route. 71
Claims (1)
熱装置と、温度が常温から摂氏約１０００度までばらつ
く被加熱鋼片を予熱或いは保温する加熱前鋼片予熱又は
保温装置と、さらに昇圧フアン（排風機）を経て煙突へ
と、複数の分岐排ガス経路とバルブによって、順不同に
排ガス経路を自由自在に切り替えることにより、熱経済
的に最も有利な経路で熱回収できる鋼片加熱設備の排ガ
ス利用による運転方法。1. A combustion air preheating device for exhaust gas from the copper piece heating equipment (heating furnace), and a pre-heating steel piece preheating or heat retention device for preheating or keeping heated steel pieces whose temperature varies from room temperature to about 1000 degrees Celsius; Furthermore, by using multiple branched exhaust gas paths and valves to freely switch the exhaust gas path in any order through the booster fan (exhaust fan) and into the chimney, the billet heating equipment can recover heat through the most thermoeconomically advantageous path. Operation method using exhaust gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60239733A JPH0723505B2 (en) | 1985-10-26 | 1985-10-26 | Operation method of billet heating equipment using exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60239733A JPH0723505B2 (en) | 1985-10-26 | 1985-10-26 | Operation method of billet heating equipment using exhaust gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6299415A true JPS6299415A (en) | 1987-05-08 |
| JPH0723505B2 JPH0723505B2 (en) | 1995-03-15 |
Family
ID=17049119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60239733A Expired - Lifetime JPH0723505B2 (en) | 1985-10-26 | 1985-10-26 | Operation method of billet heating equipment using exhaust gas |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0723505B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007003065A (en) * | 2005-06-22 | 2007-01-11 | Sanyo Special Steel Co Ltd | Double-chamber furnace and steel product heating method |
| CN113523175A (en) * | 2021-06-24 | 2021-10-22 | 河南中原特钢装备制造有限公司 | Heating process for preheating cold ingot by using waste heat of heating furnace |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS572978A (en) * | 1980-06-10 | 1982-01-08 | Kawasaki Heavy Ind Ltd | Cooling water circulating circuit for exhaust gas treating device of metallurgic furnace |
-
1985
- 1985-10-26 JP JP60239733A patent/JPH0723505B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS572978A (en) * | 1980-06-10 | 1982-01-08 | Kawasaki Heavy Ind Ltd | Cooling water circulating circuit for exhaust gas treating device of metallurgic furnace |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007003065A (en) * | 2005-06-22 | 2007-01-11 | Sanyo Special Steel Co Ltd | Double-chamber furnace and steel product heating method |
| CN113523175A (en) * | 2021-06-24 | 2021-10-22 | 河南中原特钢装备制造有限公司 | Heating process for preheating cold ingot by using waste heat of heating furnace |
| CN113523175B (en) * | 2021-06-24 | 2022-08-02 | 河南中原特钢装备制造有限公司 | Heating process for preheating cold ingot by using waste heat of heating furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0723505B2 (en) | 1995-03-15 |
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