JPS6396408A - Gun-type burner - Google Patents
Gun-type burnerInfo
- Publication number
- JPS6396408A JPS6396408A JP24246386A JP24246386A JPS6396408A JP S6396408 A JPS6396408 A JP S6396408A JP 24246386 A JP24246386 A JP 24246386A JP 24246386 A JP24246386 A JP 24246386A JP S6396408 A JPS6396408 A JP S6396408A
- Authority
- JP
- Japan
- Prior art keywords
- air
- stabilizer
- hole
- cylinder
- flame
- 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
- 239000003381 stabilizer Substances 0.000 claims abstract description 22
- 239000000446 fuel Substances 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 17
- 238000002156 mixing Methods 0.000 abstract description 10
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 238000005422 blasting Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
Landscapes
- Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、家庭用石油小形給湯機等に搭載されるガンタ
イプバーナに関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a gun-type burner installed in a small household petroleum water heater or the like.
従来の技術
従来のガンタイプバーナは第2図に示すように外筒1内
にノズル2を設け、ノズル2の前方に、中央部に開口部
を有する旋回羽根4とその外周に2次空気孔5を有する
スタビライザ3と点火電極棒6を備えた構成になってい
た。(例えば特開昭57−74511号公報)
発明が解決しようとする問題点
一般にガンタイプバーナに於いてはバーナに形成される
火炎の長さは、石油小形給湯機等に搭載した時には重要
であり、火炎の長さが長すぎると周囲の構造体に火炎が
当り冷却されるため、スス。2. Description of the Related Art A conventional gun type burner has a nozzle 2 in an outer cylinder 1 as shown in FIG. 5 and an ignition electrode rod 6. (For example, Japanese Unexamined Patent Publication No. 57-74511) Problems to be Solved by the Invention In general, in gun-type burners, the length of the flame formed in the burner is important when installed in a small oil water heater, etc. , If the length of the flame is too long, the surrounding structures will be cooled by the flames, resulting in soot.
Coを発生する原因となる。This causes Co to be generated.
従来の構成では、ノズル2から噴霧された燃料と、燃焼
用空気が外筒1内を同軸に供給され点火電極棒6により
着火し、スタビライザ3で火炎を形成するようになって
いるが、火炎の長さは主として噴霧と周囲の空気との混
合に支配されており、火炎の長さを短くするためには、
外筒1内を通過する燃焼用空気の流速をはやくし、噴霧
と空気の混合をよくしてやる必要があるが、その時には
点火電極棒6の周囲を流れる流速もはやくなり、そのた
め、電極棒6で電気火花により噴霧に着火させる時の着
火性が悪くなり、着火した時の着火音が大きくなるなど
の問題を有していた。In the conventional configuration, fuel sprayed from the nozzle 2 and combustion air are coaxially supplied inside the outer cylinder 1, ignited by the ignition electrode 6, and a flame is formed by the stabilizer 3. The length of the flame is mainly controlled by the mixing of the spray with the surrounding air, and in order to shorten the length of the flame,
It is necessary to increase the flow rate of the combustion air passing through the outer cylinder 1 to improve the mixing of the spray and air, but at this time the flow rate around the ignition electrode rod 6 also decreases, so that the flow rate around the electrode rod 6 is reduced. There have been problems such as poor ignitability when the spray is ignited by an electric spark and a loud ignition sound when ignited.
本発明はかかる従来の問題点を解消するもので、ガンタ
イプバーナの火炎の長さを短くするとともに、着火性を
良くすることを目的とする。The present invention aims to solve these conventional problems, and aims to shorten the length of the flame of a gun-type burner and improve ignitability.
問題点を解決するだめの手段
本発明のガンタイプバーナは、上記問題点を解決するた
めノズルと、その前方に中央部に開口部を有する旋回羽
根とその外周に2次空気孔を備えたスタビライザと、ス
タビライザの前方に壁面に多数の空気噴出孔を有する内
胴と、内胴の外側に空気通路を形成する外胴を備え、前
記スタビライザの後方にスタビライザの中央部の旋回羽
根と外周の2次空気孔を区画するように内筒と外筒を設
は内筒と外筒の他端を空気孔を設は閉じるという構成を
備えたものである。Means to Solve the Problems In order to solve the above problems, the gun type burner of the present invention includes a nozzle, a swirl vane having an opening in the center in front of the nozzle, and a stabilizer equipped with a secondary air hole on the outer periphery of the swirl vane. In front of the stabilizer, there is an inner shell having a large number of air ejection holes on the wall surface, and an outer shell that forms an air passage outside the inner shell, and behind the stabilizer there are swirl vanes in the center of the stabilizer and two on the outer periphery. The inner cylinder and the outer cylinder are provided so as to define an air hole, and the air hole is provided and closed at the other ends of the inner cylinder and the outer cylinder.
作用
本発明は前記した構成により、内胴の壁面の空気噴出孔
より空気を噴出することにより噴霧と周囲空気の混合を
良くするとともに、スタビライザ後方の内筒、外筒の他
端を空気孔を設けて閉じることにより、点火電極棒の周
囲を流れる流速を調整し、着火性も良くなるのである。Effect of the present invention With the above-described configuration, the air is jetted out from the air jet hole on the wall surface of the inner cylinder to improve the mixing of the spray and the surrounding air, and the air holes are provided at the other ends of the inner cylinder and the outer cylinder behind the stabilizer. By providing this and closing it, the velocity of the flow around the ignition electrode can be adjusted and the ignition performance can be improved.
実施例 以下、本発明の実施例を図面にもとづいて説明する。Example Embodiments of the present invention will be described below based on the drawings.
第1図において、1は液体燃料を噴霧するノズル、2は
ノズル1の前方に中央部に開口部を有する旋回羽根、3
は周囲に2次空気孔4を備えたスタビライザ、6はスタ
ビライザ2の前方に壁面に多数の空気噴出孔6を有する
内胴、7は内胴6の外側に空気通路8を形成する外胴、
9,1oはスタビライザ2の後方に旋回羽根3と2次空
気孔4を区画するように設けた内筒と外筒、11は内筒
9と外筒10の他端を空気孔12を設けて閉じた閉そく
板である。13は燃焼が行なわれる燃焼室、14はノズ
ル1の近傍に設けた点火電極棒、16は燃焼用空気を送
るだめの送風モーター、16は送風用ファンである。In FIG. 1, 1 is a nozzle that sprays liquid fuel, 2 is a swirling vane that has an opening in the center in front of the nozzle 1, and 3
is a stabilizer equipped with secondary air holes 4 around the periphery; 6 is an inner shell having a large number of air jet holes 6 on the wall in front of the stabilizer 2; 7 is an outer shell forming an air passage 8 on the outside of the inner shell 6;
Reference numerals 9 and 1o denote an inner cylinder and an outer cylinder provided at the rear of the stabilizer 2 so as to partition the swirling blade 3 and a secondary air hole 4, and 11 an inner cylinder 9 and an outer cylinder 10 with an air hole 12 provided at the other end. It is a closed blocking plate. Reference numeral 13 designates a combustion chamber in which combustion occurs, 14 an ignition electrode rod provided near the nozzle 1, 16 a blower motor for sending combustion air, and 16 a blower fan.
上記構成に於いて燃焼用空気は送風モーター16と送風
71ン16より送られ、一部は空気通路8を通り、空気
噴出孔6より燃焼室13に供給され、残りは閉そく板1
1に設けた空気孔12を通り、内筒9と外筒1oの間と
内筒9内を通りスタビライザ2を通過し、燃焼室13に
供給される。In the above configuration, combustion air is sent from the blower motor 16 and the blower 71, part of which passes through the air passage 8 and is supplied to the combustion chamber 13 from the air outlet 6, and the rest is sent to the combustion chamber 13 through the air blower 16.
The air passes through the air hole 12 provided in 1, passes between the inner cylinder 9 and the outer cylinder 1o, and inside the inner cylinder 9, passes through the stabilizer 2, and is supplied to the combustion chamber 13.
ノズル1から噴霧された燃料は内筒9内を流れる燃焼用
空気と同軸に燃焼室13内に送られ、点火電極棒14に
より着火されスタビライザ2の旋回羽根3部で安定した
保炎を行なうとともに、2次空気孔4と空気噴出孔6よ
りの空気により燃焼室13内に火炎を形成する。The fuel sprayed from the nozzle 1 is sent into the combustion chamber 13 coaxially with the combustion air flowing in the inner cylinder 9, is ignited by the ignition electrode 14, and is stabilized by the swirling blade 3 of the stabilizer 2, while maintaining a stable flame. , a flame is formed in the combustion chamber 13 by air from the secondary air holes 4 and the air jet holes 6.
火炎の長さを短くするには噴霧と周囲空気の混合を促進
する必要があるが、スタビライザ2の前方に、空気噴出
孔6を設けたため、従来に比べ噴霧と周囲空気がさらに
促進されるとともに、より混合を良くし、さらに燃焼特
性を良くするためには、空気噴出孔6と、2次空気孔4
と旋回羽根3より供給される燃焼用空気の量や流速を調
整する必要があるが、この構成では閉そく板11に設け
た空気孔12により、それぞれに流れる空気量。In order to shorten the length of the flame, it is necessary to promote the mixing of the spray and the surrounding air, but since the air jet holes 6 are provided in front of the stabilizer 2, the mixing of the spray and the surrounding air is further promoted compared to the conventional method. , In order to improve the mixing and combustion characteristics, the air jet holes 6 and the secondary air holes 4 are
It is necessary to adjust the amount and flow rate of combustion air supplied from the swirling vanes 3, but in this configuration, the amount of air flowing to each of the air holes 12 provided in the blocking plate 11 is adjusted.
流速が調整できる。そのため、噴霧と周囲空気の混合を
よりよくするため、空気噴出孔6と2次空気孔4からの
空気流速をはやくしても、点火電極棒14周囲を流れる
流速は、はやくならないようにすることができ、着火性
が悪くなることはない。Flow rate can be adjusted. Therefore, in order to improve the mixing of the spray and the surrounding air, even if the air flow speed from the air jet holes 6 and the secondary air holes 4 is increased, the flow speed around the ignition electrode rod 14 should not be increased. ignitability will not deteriorate.
発明の効果
以上のように本発明のガンタイプバーナによれば、スタ
ビライザの前方に、空気噴出孔を設けたため、噴霧と周
囲空気の混合を促進できるとともに、閉そく板に設けた
空気孔により、空気噴出孔と、2次空気孔と旋回羽根よ
り流れる空気量、流速を調整することができ、空気噴出
孔と2次空気孔よりの空気の流量や流速を調整し、噴霧
と周囲空気の混合をより促進させ火炎の長さを短くして
も、点火電極棒の周囲を流れる流速は、はやくならない
ようにできるため、着火性が悪くするととなく、火炎の
長さを短くできるという効果を得ることができる。Effects of the Invention As described above, according to the gun type burner of the present invention, since the air jet hole is provided in front of the stabilizer, it is possible to promote the mixing of the spray and the surrounding air, and the air hole provided in the blocking plate allows the air to be It is possible to adjust the amount and flow rate of air flowing from the nozzle hole, secondary air hole, and swirl vane.The flow rate and flow speed of air from the air nozzle hole and secondary air hole can be adjusted to mix the spray and the surrounding air. Even if the flame is accelerated and the length of the flame is shortened, the flow velocity around the ignition electrode can be prevented from increasing, so the effect of shortening the length of the flame can be obtained without deteriorating the ignitability. Can be done.
第1図は本発明の実施例に於けるガンタイプバーナの断
面図である。第2図は従来のガンタイプバーナの断面図
である。
1・・・・・・ノズル、2・・・・・・スタビライザ、
3・・・・・・旋回羽根、4・・・・・・2次空気孔、
6・・・・・・内胴、6・・・・・・空気噴出孔、7・
・・・・・外胴、8・・・・・・空気通路、9・・・・
・・内筒、1o・・・・・・外筒、11・・・・・・閉
そく板、12・・・・・・空気孔。
代理人の氏名 弁理士 中 尾 敏 男 ほか1名第2
図FIG. 1 is a sectional view of a gun type burner in an embodiment of the present invention. FIG. 2 is a sectional view of a conventional gun type burner. 1...Nozzle, 2...Stabilizer,
3...Swirling vane, 4...Secondary air hole,
6... Inner shell, 6... Air outlet, 7.
...Outer body, 8...Air passage, 9...
...Inner cylinder, 1o...Outer cylinder, 11...Blocking plate, 12...Air hole. Name of agent: Patent attorney Toshio Nakao and 1 other person 2nd
figure
Claims (2)
中央部に開口部を有する旋回羽根と、この旋回羽根の外
周に2次空気孔を備えたスタビライザと、前記スタビラ
イザの前方に壁面に多数の空気噴出孔を有する内胴と、
前記内胴の外側に空気通路を形成する外胴を備え、前記
スタビライザ後方にスタビライザの中央部の旋回羽根と
外周の2次空気孔を区画するように内筒と外筒を設け、
前記内筒と外筒の他端を空気孔を設けて閉じたガンタイ
プバーナ。(1) A nozzle that sprays liquid fuel, a swirling vane provided in front of the nozzle having an opening in the center, a stabilizer equipped with a secondary air hole on the outer periphery of the swirling vane, and a wall surface in front of the stabilizer. an inner shell having a large number of air ejection holes;
an outer shell forming an air passage outside the inner shell; an inner barrel and an outer barrel are provided behind the stabilizer so as to partition a swirling blade in the center of the stabilizer and a secondary air hole on the outer periphery;
A gun type burner in which the other ends of the inner cylinder and the outer cylinder are closed with air holes provided.
内よりも内筒と外筒の間の方を大きくした特許請求の範
囲第1項記載のガンタイプバーナ。(2) The gun type burner according to claim 1, wherein the air holes provided at the other ends of the inner cylinder and the outer cylinder have a larger area between the inner cylinder and the outer cylinder than inside the inner cylinder.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24246386A JPH0711321B2 (en) | 1986-10-13 | 1986-10-13 | Gun type burner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24246386A JPH0711321B2 (en) | 1986-10-13 | 1986-10-13 | Gun type burner |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6396408A true JPS6396408A (en) | 1988-04-27 |
JPH0711321B2 JPH0711321B2 (en) | 1995-02-08 |
Family
ID=17089460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP24246386A Expired - Fee Related JPH0711321B2 (en) | 1986-10-13 | 1986-10-13 | Gun type burner |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0711321B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01170821U (en) * | 1988-05-11 | 1989-12-04 |
-
1986
- 1986-10-13 JP JP24246386A patent/JPH0711321B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01170821U (en) * | 1988-05-11 | 1989-12-04 |
Also Published As
Publication number | Publication date |
---|---|
JPH0711321B2 (en) | 1995-02-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |