JPS592103Y2 - heating furnace - Google Patents
heating furnaceInfo
- Publication number
- JPS592103Y2 JPS592103Y2 JP13695480U JP13695480U JPS592103Y2 JP S592103 Y2 JPS592103 Y2 JP S592103Y2 JP 13695480 U JP13695480 U JP 13695480U JP 13695480 U JP13695480 U JP 13695480U JP S592103 Y2 JPS592103 Y2 JP S592103Y2
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- heating furnace
- width direction
- opening
- utility
- 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
Links
Landscapes
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Tunnel Furnaces (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Furnace Details (AREA)
Description
【考案の詳細な説明】
本考案は、特に、炉巾が広い加熱炉の廃ガス排出構造に
関するものである。[Detailed Description of the Invention] The present invention particularly relates to a waste gas discharge structure for a heating furnace having a wide furnace width.
従来、処理材例えば鋼材等を加熱あるいは熱処理するに
は、ウオーキングビーム型炉あるいはローラハース型炉
等が使用されている。Conventionally, a walking beam type furnace, a roller hearth type furnace, or the like has been used to heat or heat treat a material to be treated, such as a steel material.
ところで、これらの炉、特に上・下部つオーキングビー
ム炉において炉の上下部に設けたバーナにより処理材を
加熱し、その廃ガスを炉装入側天井に設けた１つの廃ガ
ス排気用開口部から煙道に排出している。By the way, in these furnaces, especially upper and lower oaking beam furnaces, the treated material is heated by burners installed at the top and bottom of the furnace, and the waste gas is discharged through one exhaust gas exhaust opening provided in the ceiling on the furnace charging side. is discharged into the flue.
したがって、炉内燃焼廃ガスの流れは、処理材の上面側
において多量となり、処理材の上面側と下面側とで必要
以上の温度差が生じる。Therefore, a large amount of in-furnace combustion waste gas flows on the upper surface side of the treated material, and a temperature difference greater than necessary occurs between the upper surface side and the lower surface side of the treated material.
例えば連鋳設備からの熱鋳片を加熱炉で均一に所定温度
に加熱して圧延設備に供給する方式において、該加熱炉
は長尺鋳片の巾方向を炉巾方向に位置せしめて装入し、
短時間で所定温度に均一に加熱する必要上、加熱炉の炉
巾が、たとえば、炉巾／炉長〉１と著しく増大する傾向
にあるが、前記廃ガス排出用開口部が装入側天井の１個
所であるため、炉内ガスは炉内上・下方向はもとより炉
幅方向にも大きな偏流を生じ、該鋳片は、炉内の中央部
に位置する部分と両側部に位置する部分とで加熱温度（
抽出温度）に差が生じ、該鋳片を長手方向に均一に加熱
することができず、加熱時間が長くか・るばかりか、後
続工程のたとえば、圧延工程等において種々の問題が生
じるという欠点を有していた。For example, in a method in which hot slabs from continuous casting equipment are uniformly heated to a predetermined temperature in a heating furnace and then supplied to rolling equipment, the heating furnace is used to charge long slabs with the width direction of the long slabs positioned in the width direction of the furnace. death,
Due to the need for uniform heating to a predetermined temperature in a short period of time, the width of the heating furnace tends to increase significantly, for example, furnace width/furnace length>1. Because the furnace gas is located at one location, large drifts occur not only in the upper and lower directions within the furnace, but also in the width direction of the furnace, and the slabs and the heating temperature (
There is a difference in the extraction temperature), and the slab cannot be heated uniformly in the longitudinal direction, which not only takes a long time to heat, but also causes various problems in subsequent processes such as rolling. It had
本考案は前記従来の欠点を除去するためになされたもの
で、廃ガスの排気用開口部を、炉の装入側の上部および
下部それぞれの炉巾方向に複数個設け、これを上・下の
各煙道に接続することにより、炉内廃ガスを各排気用開
口部から排出して炉内上・下に廃ガス流を分流させ、且
つ該上・下各巾方向の廃ガス流量分布を例えば、開口部
の炉巾方向配置位置に応じて一部又は全部の開口部にダ
ンパーを設置し、又は開口断面積を変化固定することに
より均等にし、父上・下煙道の両方又はいずれかにダン
パーを設けて流量比を調節し、処理材の上・下面及び長
手方向の加熱温度差をなくシ、該処理材全体を均一に加
熱可能とした加熱炉を提供するものである。The present invention was made to eliminate the above-mentioned drawbacks of the conventional method. A plurality of exhaust gas exhaust openings are provided in the width direction of the upper and lower parts of the charging side of the furnace. By connecting to each flue, the waste gas in the furnace is discharged from each exhaust opening, the waste gas flow is divided into the upper and lower parts of the furnace, and the waste gas flow rate distribution in each width direction of the upper and lower parts is controlled. For example, by installing dampers in some or all of the openings depending on the position of the openings in the furnace width direction, or by changing and fixing the opening cross-sectional area, it is possible to equalize both the upper and/or lower flues. To provide a heating furnace which can uniformly heat the entire treated material by providing a damper to adjust the flow rate ratio and eliminate heating temperature differences between the upper and lower surfaces and the longitudinal direction of the treated material.
つぎに、本考案を一実施例である図面にしたがって説明
する。Next, the present invention will be explained with reference to the drawings, which are one embodiment.
図において、１は加熱炉本体、２は炉の上下部に設けた
軸流バーナで、炉装入側上部の天井部には、第２図に示
すように、所定間隔に多数の廃ガスの排気用開口部３が
設けられ、これら各開口部３は上部煙道４に連通してい
る。In the figure, 1 is the heating furnace main body, 2 is the axial flow burner installed at the top and bottom of the furnace, and the upper ceiling on the furnace charging side is equipped with a large number of waste gases placed at predetermined intervals as shown in Figure 2. Exhaust openings 3 are provided, each opening 3 communicating with an upper flue 4.
また、炉装入側下部の端面壁５にも、所定間隔で多数の
廃ガスの排気用開口部６が設けられ、これら各開口部６
は下部煙道７に連通し、前記上下部煙道４，７は図示し
ない共通の煙突に連通している。Further, a large number of exhaust gas exhaust openings 6 are provided at predetermined intervals on the end wall 5 at the lower part of the furnace charging side, and each of these openings 6
communicates with a lower flue 7, and the upper and lower flues 4, 7 communicate with a common chimney (not shown).
なお、８は装入扉、９は抽出扉、１０および１１は装入
側上部と下部の各々の炉巾方向における廃ガス排出量分
布を任意に調節可能にした流量比設定用ダンパーである
が、これは例えば炉巾方向両側の開口部又は中央部の開
口部或いは全部に設置してよく、他方図示していないが
、これを設けず単に各開口部間の断面積を各開口部の炉
巾方向配置位置に応じて変化させて固定設定してもよい
。Note that 8 is a charging door, 9 is an extraction door, and 10 and 11 are dampers for setting flow rate ratios that can arbitrarily adjust the exhaust gas emission distribution in the furnace width direction at the upper and lower parts of the charging side. This may be installed, for example, at the openings on both sides in the furnace width direction, at the opening at the center, or at the entire opening, or, although not shown, without providing this, the cross-sectional area between each opening can be simply calculated as the furnace width at each opening. It may be fixed and changed depending on the width direction arrangement position.
１２および１３は炉圧調整用ダンパーである。12 and 13 are dampers for adjusting furnace pressure.
前記実施例では、下部膜ガスの排気用開口部６を炉装入
側下部の端面壁５に設けたものを示したが、第２図に一
点鎖線で示すように、炉装入側下部の端面壁５の近傍の
炉底に設けてもよい。In the above embodiment, the opening 6 for exhausting the lower membrane gas was provided in the end wall 5 at the lower part of the furnace charging side, but as shown by the dashed line in FIG. It may also be provided at the bottom of the furnace near the end wall 5.
本考案は前記構成からなるため、炉内処理材の上方、下
方の廃ガスは、それぞれ複数の上下部廃ガスの排気用開
口部３，６からスムーズに排出されるため、廃ガスは炉
の上下方向及び巾方向で偏流を生じることなく処理材を
均一加熱することができ、従来の加熱炉の欠点を悉く除
去することができるという作用効果を奏する。Since the present invention has the above configuration, the waste gas above and below the material to be treated in the furnace is smoothly discharged from the plurality of upper and lower exhaust gas exhaust openings 3 and 6, respectively. It is possible to uniformly heat the processing material without causing drift in the vertical direction and the width direction, and it has the effect of being able to eliminate all the drawbacks of conventional heating furnaces.
第１図は本考案にか・る煙道を備えた加熱炉の縦断面図
で、第２図は第１図のＩＩ−ＩＩ線断面図である。
１・・・・・・加熱炉本体、２・・・・・・バーナ、３
，６・・・・・・廃ガスの排気用開口部、４，７・・・
・・・煙道。FIG. 1 is a longitudinal sectional view of a heating furnace equipped with a flue according to the present invention, and FIG. 2 is a sectional view taken along the line II--II of FIG. 1... Heating furnace main body, 2... Burner, 3
, 6... Opening for exhaust gas, 4, 7...
...flue.
Claims (4)
炉巾方向に、所定間隔で炉内燃焼廃ガス排気用の開口部
を複数個設け、これらを上・下の各煙道に接続した加熱
炉。(1) A plurality of openings for exhausting the combustion waste gas in the furnace are provided at predetermined intervals in the width direction of the upper and lower parts of the inner wall of the charging side of the heating furnace, and these are connected to the upper and lower flues. Connected furnace.
求の範囲第１項の加熱炉。(2) The heating furnace according to claim 1 of the utility model registration claim, which comprises a damper interposed in each flue.
てその開口部にダンパーを設けてなる実用新案登録請求
の範囲第１項の加熱炉。(3) The heating furnace according to claim 1, which is a registered utility model, wherein a damper is provided at the exhaust gas exhaust opening in accordance with the arrangement position in the width direction of the furnace.
て開口断面積を変化せしめてなる実用新案登録請求の範
囲第１，２項いずれかの加熱炉。(4) The heating furnace according to any one of claims 1 and 2 of the utility model registration claim, wherein the cross-sectional area of the opening is changed depending on the position of the exhaust gas exhaust opening in the width direction of the furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13695480U JPS592103Y2 (en) | 1980-09-25 | 1980-09-25 | heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13695480U JPS592103Y2 (en) | 1980-09-25 | 1980-09-25 | heating furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5759857U JPS5759857U (en) | 1982-04-08 |
| JPS592103Y2 true JPS592103Y2 (en) | 1984-01-20 |
Family
ID=29497051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13695480U Expired JPS592103Y2 (en) | 1980-09-25 | 1980-09-25 | heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS592103Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6139043U (en) * | 1984-12-22 | 1986-03-12 | 東芝テック株式会社 | oven toaster |
| JP5096212B2 (en) * | 2008-03-31 | 2012-12-12 | 東邦テナックス株式会社 | Carbonization furnace |
-
1980
- 1980-09-25 JP JP13695480U patent/JPS592103Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5759857U (en) | 1982-04-08 |
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