JPH01269813A - Burner - Google Patents
BurnerInfo
- Publication number
- JPH01269813A JPH01269813A JP10072388A JP10072388A JPH01269813A JP H01269813 A JPH01269813 A JP H01269813A JP 10072388 A JP10072388 A JP 10072388A JP 10072388 A JP10072388 A JP 10072388A JP H01269813 A JPH01269813 A JP H01269813A
- Authority
- JP
- Japan
- Prior art keywords
- air
- nozzle
- long
- combustion
- combustion pipe
- 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
- 238000002485 combustion reaction Methods 0.000 claims abstract description 33
- 239000000446 fuel Substances 0.000 claims description 14
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 239000004071 soot Substances 0.000 abstract description 5
- 239000002737 fuel gas Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract description 3
- 239000000567 combustion gas Substances 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000009792 diffusion process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Landscapes
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
Abstract
Description
【発明の詳細な説明】 産業上の利用分野 本発明は家庭用の燃焼器に関するものである。[Detailed description of the invention] Industrial applications The present invention relates to a combustor for domestic use.
従来の技術
従来この種の燃焼器は第２図に示すように円筒状燃焼室
１０内のノズル部１１に空気旋回部１２をもち、ノズル
１１から噴出する燃料と空気（矢印）を激しく混合して
燃焼させる元混合式の拡散燃焼器や、一部の空気を予混
合してノズルから噴出させその周囲に拡散用燃焼用の空
気を供給して燃焼させる燃焼器はある。これらはいかに
して早く空気と燃料を混合して燃やすかということを狙
いとして考えられてきた。すなわち、火炎の長いことは
望ましくなく、すすの発生をもたらすものであった。ま
た、激しい空気と燃料の混合は火炎の不安定をもたらし
、混合を弱くすると上記すすの発生を見た。2. Description of the Related Art Conventionally, this type of combustor has an air swirling section 12 in a nozzle section 11 in a cylindrical combustion chamber 10, as shown in FIG. There are pre-mixing type diffusion combustors that perform combustion by premixing a portion of the air, and combustors that perform combustion by premixing a portion of the air and ejecting it from a nozzle, supplying diffusion combustion air around it. These have been designed with the aim of quickly mixing air and fuel and burning it. That is, a long flame was undesirable and led to the generation of soot. In addition, vigorous air-fuel mixing resulted in flame instability, and weakening the mixing resulted in the above-mentioned soot generation.
発明が解決しようとする課題
」二記の構成では燃焼負荷は亮く小さな燃焼室で燃焼を
終わらせられるが、燃焼部が非常に高温になり耐久性が
課題になる。一方、火炎を長くすれば、すすの課題より
その長さは制限される。実験によれば２０〜２５ｏｍの
長さが限界である。Problems to be Solved by the Invention In the configuration described in section 2, the combustion load is light and combustion can be completed in a small combustion chamber, but the combustion part becomes very hot and durability becomes an issue. On the other hand, if the flame is made long, its length will be limited by the soot problem. According to experiments, a length of 20 to 25 ohm is the limit.
本発明はかかる従来の課題を解決するもので、従来は不
可能とされていた長い火炎を形成し温度差の小さい長い
加熱面を得ることを目的とする。The present invention is intended to solve such conventional problems, and aims to form a long flame and obtain a long heating surface with a small temperature difference, which was previously considered impossible.
課題を解決するための手段
上記課題を解決するために本発明の燃焼器は長い燃焼管
と、０の燃焼管の一端に臨ませた燃料ノズルと、前記燃
焼管に連通し、燃料ノズルの上流側に設けた送風装置と
よりなり、前記ノズルの先端には平面状の保炎面を形成
し、かつこのノズルから距離をおいて上流に設けた旋回
体により前記送風装置からの空気に旋回流を与えて前記
燃焼管に供給してなる構成を備えたものである。Means for Solving the Problems In order to solve the above problems, the combustor of the present invention includes a long combustion tube, a fuel nozzle facing one end of the zero combustion tube, and a fuel nozzle communicating with the combustion tube and upstream of the fuel nozzle. A flat flame-holding surface is formed at the tip of the nozzle, and a rotating body installed upstream at a distance from the nozzle creates a swirling flow in the air from the blower. and is supplied to the combustion tube.
作 用
本発明は上記した構成により、ノズルから噴出した燃料
の流れに沿わせるように、旋回を与えた空気をノズルを
流側から供給する。この旋回空気は前記燃料の流れを引
き伸ばし、拡散面を均一化することにより非常に長い火
炎を燃焼管中に形成させ熱均−性の亮い長い輻射体とす
ることができるものである。Function: With the above-described configuration, the present invention supplies swirled air to the nozzle from the flow side so as to follow the flow of fuel ejected from the nozzle. This swirling air stretches the flow of the fuel and makes the diffusion surface uniform, thereby forming a very long flame in the combustion tube and making it possible to form a long radiant body with excellent thermal uniformity.
実施例
以下、本発明の実施例を添付図面を基に説明する。第１
図において、１は燃焼管で長さと直径は目的と燃焼量で
決められるが実験によると直径１０〜５０ ｍｒｎ、長
さ１００ｃｍが適当な数値である。２は前記燃焼管１の
一端に同心状に挿入された燃料噴出用の燃料ノズルで、
その先端はノズル孔３８簡に平面状の保炎面４を形成し
ている。Embodiments Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. 1st
In the figure, 1 is a combustion tube whose length and diameter are determined depending on the purpose and amount of combustion, but experiments have shown that diameters of 10 to 50 mrn and lengths of 100 cm are appropriate values. 2 is a fuel nozzle for ejecting fuel inserted concentrically into one end of the combustion tube 1;
Its tip forms a flat flame-holding surface 4 at the nozzle hole 38.
５はファンなどの送風装置６より供給される燃焼空気に
旋回を与える旋回羽根などの旋回体で、前記ノズル２の
上流にこのノズル２と同心状に設けられている。Reference numeral 5 denotes a rotating body such as a swirling blade that swirls the combustion air supplied from a blower device 6 such as a fan, and is provided upstream of the nozzle 2 and concentrically with the nozzle 2.
７は前記ノズルに燃料を送る燃料パイプである。7 is a fuel pipe that sends fuel to the nozzle.
８は前記燃焼管１と同心状に形成される長い火炎である
。９は前記燃焼管１の出口端で排気口となる。尚、前記
ノズル２と旋回体５の間は管１に沿った旋回流がノズル
２後流に均一に与えられるように距離が取られている。8 is a long flame formed concentrically with the combustion tube 1. Reference numeral 9 serves as an exhaust port at the outlet end of the combustion tube 1. A distance is provided between the nozzle 2 and the rotating body 5 so that the swirling flow along the pipe 1 is uniformly applied to the stream downstream from the nozzle 2.
上記構成において、ノズル２より燃料ガスを噴出させる
とともに送風装置６より空気を旋回体５を介（）て旋回
空気としてノズル２上流側より前記燃料ガスの流れに接
するように供給され、点火燃焼される。この時、火炎は
ガスと旋回空気の接触面で形成されるが、旋回により空
気は均一で乱れの少ない接触面を形成するとともに薄く
かつ燃焼管の長さ方向にも均一に供給される。そして、
非常に長く細い火炎が燃焼管１内の中央に形成される。In the above configuration, fuel gas is ejected from the nozzle 2, and air is supplied from the blower 6 as swirling air via the swirling body 5 from the upstream side of the nozzle 2 so as to be in contact with the flow of the fuel gas, and is ignited and combusted. Ru. At this time, a flame is formed at the contact surface between the gas and the swirling air, and due to the swirling, the air forms a uniform and less turbulent contact surface, and is also supplied thinly and uniformly in the length direction of the combustion tube. and,
A very long and narrow flame is formed in the center of the combustion tube 1.
我々の実験では、例えば直径ｌ １５ ｒｎｒｎ ｓ長
さ１００ｃｍ、燃焼量１５００Ｋｃａｌで火炎長さは４
０〜１００ｃｍ以上を得ている。このような長さにおい
てもすすの発生はなく、燃焼管１内に長い火炎が形成さ
れるため温度差の小さい、長い加熱面が構成される。尚
、前記空気の旋回流の強さはガスの噴出流れを乱さない
程度であることが望ましい。In our experiment, for example, the diameter is 15 rnrn s, the length is 100 cm, the combustion amount is 1500 Kcal, and the flame length is 4.
0 to 100 cm or more. Even with such a length, no soot is generated and a long flame is formed within the combustion tube 1, so that a long heating surface with a small temperature difference is constructed. The strength of the swirling air flow is preferably such that it does not disturb the gas jet flow.
発明の効果
以１のように本発明の燃焼器によれば、従来では考えら
れないような長い火炎を管内に形成させることを可能に
し、かつ長く温度差の小さい加熱面を得るパイプ状の燃
焼器が得られ、暖房・乾燥・オーブン加熱など用途の多
い加熱器を提供するものである。Effects of the Invention As described in (1) above, the combustor of the present invention makes it possible to form a long flame inside the tube that was previously unimaginable, and to achieve pipe-shaped combustion that provides a long heating surface with small temperature difference. The present invention provides a heater that has many uses such as space heating, drying, and oven heating.
第１図は本発明の一実施例における燃焼器の要部断面図
、第２図は従来の燃焼器のバーナ部の断面図である。
１・・・・・・燃焼管、２・・・・・・ノズル、４・・
・・・・保炎面、５・・・・・・旋回体、６・・・・・
・送風装置。FIG. 1 is a sectional view of a main part of a combustor according to an embodiment of the present invention, and FIG. 2 is a sectional view of a burner portion of a conventional combustor. 1... Combustion tube, 2... Nozzle, 4...
... Flame holding surface, 5 ... Rotating body, 6 ...
・Blower device.
Claims (1)
と、前記燃焼管に連通し、燃料ノズルの上流側に設けた
送風装置とよりなり、前記ノズルの先端には平面状の保
炎面を形成し、かつこの燃料ノズルから距離をおいて上
流に設け、前記送風装置からの空気に旋回流を与えて前
記燃焼管に供給する旋回体を有する燃焼器。It consists of a long combustion tube, a fuel nozzle facing one end of the combustion tube, and an air blower connected to the combustion tube and installed on the upstream side of the fuel nozzle. A combustor having a swirling body that forms a surface and is provided upstream at a distance from the fuel nozzle, giving a swirling flow to the air from the blower and supplying the air to the combustion tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63100723A JP2523777B2 (en) | 1988-04-22 | 1988-04-22 | Combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63100723A JP2523777B2 (en) | 1988-04-22 | 1988-04-22 | Combustor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01269813A true JPH01269813A (en) | 1989-10-27 |
| JP2523777B2 JP2523777B2 (en) | 1996-08-14 |
Family
ID=14281548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63100723A Expired - Lifetime JP2523777B2 (en) | 1988-04-22 | 1988-04-22 | Combustor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2523777B2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62190311A (en) * | 1985-10-31 | 1987-08-20 | Nippon Nenshiyou Syst Kk | Radiant tube burner |
-
1988
- 1988-04-22 JP JP63100723A patent/JP2523777B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62190311A (en) * | 1985-10-31 | 1987-08-20 | Nippon Nenshiyou Syst Kk | Radiant tube burner |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2523777B2 (en) | 1996-08-14 |
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