JP2593884B2 - Heating method of the heated object in the heating furnace - Google Patents
Heating method of the heated object in the heating furnaceInfo
- Publication number
- JP2593884B2 JP2593884B2 JP62225628A JP22562887A JP2593884B2 JP 2593884 B2 JP2593884 B2 JP 2593884B2 JP 62225628 A JP62225628 A JP 62225628A JP 22562887 A JP22562887 A JP 22562887A JP 2593884 B2 JP2593884 B2 JP 2593884B2
- Authority
- JP
- Japan
- Prior art keywords
- heating
- furnace
- radiation
- far
- heated
- 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 - Lifetime
Links
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明はバーナの燃焼ガスを加熱源とする加熱炉に於
いて、遠赤外線放射を有効に利用して食品の加熱加工や
有機塗料の乾燥その他の各種加熱処理を行なうための、
加熱炉に於ける被加熱物の加熱方法に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION (Industrial application field) The present invention relates to a heating furnace using a combustion gas of a burner as a heating source. For performing various other heat treatments,
The present invention relates to a method for heating an object to be heated in a heating furnace.
（従来の技術） 加熱炉に於いて遠赤外線放射を利用して各種加熱処理
を行なう場合、従来は、バーナの燃焼ガスを加熱源と
する加熱炉の炉内壁に黒体化処理等を施し、そこからの
遠赤外線放射を利用する方法、炉内壁を遠赤外線放射
板により構成し、この炉内壁を電気ヒータにより加熱し
て、ここからの遠赤外線放射を利用する方法（実開昭56
−26400号公報）、バーナの燃焼ガスを加熱源とする
加熱炉の炉内に、電気ヒータを加熱源として遠赤外線を
放射する遠赤外線ヒーターを設置して、この遠赤外線ヒ
ーターからの放射を利用する方法（特公昭56−24853号
公報）等がある。(Prior art) In the case of performing various heat treatments using far-infrared radiation in a heating furnace, conventionally, a black body treatment or the like is performed on a furnace inner wall of the heating furnace using a combustion gas of a burner as a heating source, A method using far-infrared radiation from there, a method in which the furnace inner wall is composed of a far-infrared radiation plate, this furnace inner wall is heated by an electric heater, and far-infrared radiation is used from here (J.
-26400), a far-infrared heater that emits far-infrared rays using an electric heater as a heating source is installed in the furnace of a heating furnace that uses the combustion gas of a burner as a heating source, and the radiation from this far-infrared heater is used. (Japanese Patent Publication No. 56-24853).
（発明が解決しようとする課題） 、の方法では、被加熱物に応じて放射パターンを
調節したり、放射物質を選定して放射波長を調節するこ
とは不可能であり、被加熱物等の自由度が低い。(Problems to be Solved by the Invention) According to the methods of (1) and (2), it is impossible to adjust the radiation pattern according to the object to be heated or to adjust the emission wavelength by selecting a radiating substance. Low degree of freedom.
の方法では、上記公報に開示されるように遠赤外線
ヒーターを複数設け、炉内壁面からの距離や電気ヒータ
の出力を調節可能とすることにより、ある程度は放射パ
ターンの調節を行うことができるが、電気ヒーターを内
蔵した遠赤外線ヒーターの位置を調節可能とするために
は、それらの支持機構や駆動機構等において大がかりな
構成となると共に、それらの位置調節の自由度もさほど
高くはできず、また加熱源としてバーナと電気の２系統
が必要となるので、このための構成が大がかりとなって
しまう。In the method, a radiation pattern can be adjusted to some extent by providing a plurality of far-infrared heaters and adjusting the distance from the furnace inner wall surface and the output of the electric heater as disclosed in the above publication. In order to be able to adjust the position of the far-infrared heater with a built-in electric heater, the support mechanism and the drive mechanism have a large configuration, and the degree of freedom in adjusting their position cannot be so high. Further, since two systems of a burner and electricity are required as a heating source, the configuration for this becomes large.
本発明は以上の課題を解決することを目的とするもの
である。An object of the present invention is to solve the above problems.
（課題を解決するための手段） 以上の課題を解決するための本発明の構成を第１図を
参照して説明すると、本発明は、加熱炉１の炉内空間２
の下部の適所に、自体には加熱源を内蔵せず表面に遠赤
外線放射部３を構成し、多数の孔５を設けた放射調節板
４を横方向に設置すると共に、該放射調節板４の下方に
バーナ６を構成し、炉内の上部空間に位置させた被加熱
物７を、多数の孔を経た対流排気と、放射調節板４から
の遠赤外線の放射により加熱する被加熱物の加熱方法を
提案するものである。(Means for Solving the Problems) The structure of the present invention for solving the above problems will be described with reference to FIG.
A far-infrared ray radiating section 3 is formed on the surface without a built-in heat source, and a radiation control plate 4 provided with a large number of holes 5 is installed in a lateral direction at an appropriate position below the radiation control plate 4. A burner 6 is provided below the furnace, and the heating target 7 positioned in the upper space in the furnace is heated by convective exhaust gas passing through a number of holes and radiation of far infrared rays from the radiation control plate 4. It proposes a heating method.
（作用） バーナ６の燃焼ガスは炉内の下部において放射調節板
４を加熱した後、多数の孔５を経て炉内の上部空間に至
る。従って被加熱物７は燃焼ガスの対流８と放射調節板
４から放射される遠赤外線により効率的に加熱される。(Operation) The combustion gas from the burner 6 heats the radiation control plate 4 in the lower part of the furnace, and then reaches the upper space in the furnace through a number of holes 5. Therefore, the object to be heated 7 is efficiently heated by the convection 8 of the combustion gas and the far infrared rays radiated from the radiation control plate 4.
放射調節板４は電気ヒーター等の加熱源を内蔵してい
ない文字通りの板体であるから、取り扱いが容易で炉内
空間の下部の適所に容易に設置することができ、また形
状や遠赤外線の放射物質も適宜に選定して構成すること
ができる。Since the radiation control plate 4 is a literal plate without a built-in heating source such as an electric heater, it is easy to handle and can be easily installed in a proper place in the lower part of the furnace space. The radiating substance can also be appropriately selected and configured.
従って放射調節板４からの遠赤外線の放射パターンや
放射波長を被加熱物に応じて適切に調節することができ
る。Therefore, the radiation pattern and the radiation wavelength of the far-infrared ray from the radiation adjusting plate 4 can be appropriately adjusted according to the object to be heated.
（実施例） 次に本発明の実施例を説明する。(Example) Next, an example of the present invention will be described.
第１図は第２の発明に対応する実施例を示すもので、
この実施例では放射調節板４は、多数の孔５を設けた薄
い波板形状の板体に遠赤外線放射物質を付着させて遠赤
外線放射部３を構成しており、これを加熱炉１の炉内空
間２の下部に横方向に支持している。そして加熱源とし
てのバーナ６を放射調節板４の下方に設置している。一
方、加熱炉１は、炉内空間２が軸方向に長い構成として
おり、その天井11には被加熱物支持部13を多数備えた移
送装置12を軸方向に設置している。FIG. 1 shows an embodiment corresponding to the second invention.
In this embodiment, the radiation control plate 4 constitutes a far-infrared radiating section 3 by attaching a far-infrared radiating substance to a thin corrugated plate provided with a large number of holes 5. It is supported laterally below the furnace space 2. A burner 6 as a heating source is provided below the radiation control plate 4. On the other hand, the heating furnace 1 has a configuration in which the furnace space 2 is long in the axial direction, and has a ceiling 11 on which a transfer device 12 having a large number of heated object support portions 13 is installed in the axial direction.
このような構成では上述したとおりバーナ６の燃焼ガ
スは放射調節板４を加熱した後、多数の孔５を経て炉内
の上部空間に至る。従って被加熱物７は放射調節板４か
ら放射される遠赤外線と共に、燃焼ガスの対流８により
効率的に加熱される。In such a configuration, as described above, the combustion gas of the burner 6 heats the radiation control plate 4 and then reaches the upper space in the furnace through the many holes 5. Therefore, the object to be heated 7 is efficiently heated by the convection 8 of the combustion gas together with the far infrared rays emitted from the radiation adjusting plate 4.
ここで放射調節板４は、例えば鉄、ステンレス等の基
板の表面に、各種の遠赤外線放射物質を例えば溶射によ
り付着させて遠赤外線放射部３を構成することができ
る。遠赤外線放射物質としては、例えば食品の加熱加工
にはチタニア（TiO2）、有機塗料の乾燥には、アルミナ
（Al2O3）、シリカ（SiO2）等を選定することができ、
放射物質は被加熱物に応じて適宜に選定することができ
る。Here, the radiation adjusting plate 4 can constitute the far-infrared radiating section 3 by attaching various far-infrared radiating substances to the surface of a substrate such as iron or stainless steel by, for example, thermal spraying. As the far-infrared radiation material, for example, titania (TiO 2 ) can be selected for heat processing of food, and alumina (Al 2 O 3 ), silica (SiO 2 ) can be selected for drying of organic paint,
The radiation substance can be appropriately selected according to the object to be heated.
次に放射調節板４は実施例に於いて波板形状に構成し
ているが、このような形状では、平板形状と比較して、
同一外形寸法での表面積が大きくなるので放射量を増大
させることができるし、また遠赤外線放射部３を溶射に
より構成する場合には基板への放射物質の付着強度を大
きくするための予めブラスト処理に際して、応力による
変形を防止することができる。Next, the radiation control plate 4 is configured in a corrugated plate shape in the embodiment, but in such a shape, compared to a flat plate shape,
Since the surface area with the same external dimensions increases, the amount of radiation can be increased. When the far-infrared radiating section 3 is formed by thermal spraying, a blasting process is performed in advance to increase the adhesion strength of the radiating substance to the substrate. At this time, deformation due to stress can be prevented.
尚、本発明を適用する加熱炉１の炉内壁は黒体化処理
等による遠赤外線放射部の形成を必須としないが、形成
を妨げるものではない。The furnace inner wall of the heating furnace 1 to which the present invention is applied does not necessarily require the formation of the far-infrared radiating portion by the blackening treatment or the like, but does not prevent the formation.
（発明の効果） 本発明は以上の通り、バーナの燃焼ガスを加熱源とす
る加熱炉に於いて、自体には加熱源を内蔵せず、表面に
遠赤外線放射部を構成すると共に多数の孔を設けた放射
調節板を加熱炉の炉内空間の下部の適所に横方向に配置
し、炉内下部にバーナを構成すると共に炉内上部に被加
熱物を位置させることにより、遠赤外線放射部からの遠
赤外線の放射と、この放射調節板に形成した多数の孔を
経た対流排気とによって被加熱物を加熱するので、被加
熱物に応じて放射パターン及び放射波長の調節を容易に
行なうことができ、自由度が高く、非常に効率の良い加
熱を行なえるという効果がある。(Effects of the Invention) As described above, the present invention relates to a heating furnace using a combustion gas from a burner as a heating source. The heating furnace itself does not have a built-in heating source. By arranging the radiation control plate provided with in the horizontal direction at the appropriate place in the lower part of the furnace space of the heating furnace, forming a burner in the lower part of the furnace and positioning the object to be heated in the upper part of the furnace, the far infrared radiation part The object to be heated is heated by the radiation of far-infrared rays from the air and the convection exhaust through many holes formed in the radiation adjusting plate, so that the radiation pattern and the emission wavelength can be easily adjusted according to the object to be heated. Thus, there is an effect that heating can be performed very efficiently with a high degree of freedom.
そして本発明における放射調節板は電気ヒーター等の
加熱源を内蔵していない文字通りの板体であるので、取
り扱いも容易で、炉内空間に於ける位置調節の自由度が
高く、また遠赤外線放射部を加熱する電気ヒーターを加
熱源として用いないことから、加熱用の電気系統も不要
であり、装置が大掛かりにならないという効果がある。Since the radiation control plate in the present invention is a literal plate without a built-in heating source such as an electric heater, it is easy to handle, has a high degree of freedom of position adjustment in the furnace space, and emits far-infrared radiation. Since an electric heater that heats the section is not used as a heating source, an electric system for heating is not required, and there is an effect that the apparatus does not become large.
第１図は本発明の実施例を模式的に表わした説明的斜視
図である。 符号１……加熱炉、２……炉内空間、３……遠赤外線放
射部、４……放射調節板、５……孔、６……バーナ、７
……被加熱物、８……燃焼ガスの対流、11……加熱炉天
井、12……移送装置、13……支持部。FIG. 1 is an explanatory perspective view schematically showing an embodiment of the present invention. Reference numeral 1: heating furnace, 2: furnace space, 3: far-infrared radiating section, 4 ... radiation control plate, 5 ... hole, 6 ... burner, 7
... Heated object, 8 convection of combustion gas, 11 heating furnace ceiling, 12 transfer device, 13 support.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 宮 重忠 神奈川県横浜市鶴見区岸谷３―18―21― 202号 (72)発明者 桜田 司 長野県木曽郡上松町大字荻原字川向諸原 1391―３ (56)参考文献 特公 昭56−24853（ＪＰ，Ｂ２) 特公 昭60−40573（ＪＰ，Ｂ２) 特公 昭60−40768（ＪＰ，Ｂ２) ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Shigetada Miya 3-18-21-202, Kishigaya, Tsurumi-ku, Yokohama-shi, Kanagawa Prefecture 3 (56) References JP-B 56-24853 (JP, B2) JP-B 60-40573 (JP, B2) JP-B 60-40768 (JP, B2)
Claims (2)
は加熱源を内蔵せず表面に遠赤外線放射部を構成し、多
数の孔を設けた放射調節板を横方向に設置すると共に、
該放射調節板の下方にバーナを構成し、炉内の上部空間
に位置させた被加熱物を、多数の孔を経た対流排気と放
射調節板からの遠赤外線の放射により加熱することを特
徴とする加熱炉における被加熱物の加熱方法1. A radiation control plate having a large number of holes and having a far-infrared radiating portion formed on its surface without a built-in heating source at a proper position in a lower portion of the space inside the furnace of the heating furnace. Along with
A burner is formed below the radiation control plate, and the object to be heated located in the upper space in the furnace is heated by convection exhaust passing through a number of holes and radiation of far infrared rays from the radiation control plate. For heating an object to be heated in a heating furnace
とを特徴とする特許請求の範囲第１項記載の加熱炉に於
ける被加熱物の加熱方法2. A method for heating an object to be heated in a heating furnace according to claim 1, wherein said radiation control plate is formed in a thin corrugated plate shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62225628A JP2593884B2 (en) | 1987-09-09 | 1987-09-09 | Heating method of the heated object in the heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62225628A JP2593884B2 (en) | 1987-09-09 | 1987-09-09 | Heating method of the heated object in the heating furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0271089A JPH0271089A (en) | 1990-03-09 |
| JP2593884B2 true JP2593884B2 (en) | 1997-03-26 |
Family
ID=16832289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62225628A Expired - Lifetime JP2593884B2 (en) | 1987-09-09 | 1987-09-09 | Heating method of the heated object in the heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2593884B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0719581Y2 (en) * | 1990-11-08 | 1995-05-10 | 株式会社正英製作所 | Heating furnace equipment |
| JP3993340B2 (en) * | 1999-06-07 | 2007-10-17 | 株式会社ブリヂストン | Method and heating furnace for uniformly heating a plurality of metal wires |
| JP4801789B1 (en) * | 2010-10-07 | 2011-10-26 | 株式会社超高温材料研究センター | Heating furnace thermal efficiency improvement method and heating furnace thermal efficiency improvement apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5626400U (en) * | 1979-08-07 | 1981-03-11 | ||
| JPS5939957B2 (en) * | 1979-08-07 | 1984-09-27 | 岩崎通信機株式会社 | Lamp control method in button telephone equipment |
-
1987
- 1987-09-09 JP JP62225628A patent/JP2593884B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0271089A (en) | 1990-03-09 |
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