JPH03164607A - Kerosene burner - Google Patents

Kerosene burner

Info

Publication number
JPH03164607A
JPH03164607A JP1304386A JP30438689A JPH03164607A JP H03164607 A JPH03164607 A JP H03164607A JP 1304386 A JP1304386 A JP 1304386A JP 30438689 A JP30438689 A JP 30438689A JP H03164607 A JPH03164607 A JP H03164607A
Authority
JP
Japan
Prior art keywords
nozzle
combustion
air
shaped
burner cone
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
Application number
JP1304386A
Other languages
Japanese (ja)
Other versions
JPH0621682B2 (en
Inventor
Yasuo Sasaki
康男 佐々木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Noritz Corp
Original Assignee
Noritz Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Noritz Corp filed Critical Noritz Corp
Priority to JP1304386A priority Critical patent/JPH0621682B2/en
Publication of JPH03164607A publication Critical patent/JPH03164607A/en
Publication of JPH0621682B2 publication Critical patent/JPH0621682B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Combustion Of Fluid Fuel (AREA)
  • Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)

Abstract

PURPOSE:To reduce the combustion flame temperature and lower the NOx value by the constitution that part of the combustion gas is drawn through an air passage gap formed with an exhaust gas circulation ring by the injector effect generated by the injection air from a blast port shaped like a nozzle and circulates in the burner cone. CONSTITUTION:A ring 14 for exhaust gas circulation has a burner cone 3, a partition plate 10, and an air passage gap 15 along the wall face of a nozzle- shaped blast port section 12 that is provided at the center of the partition plate, and on the outside of the nozzle-shaped blast port section 12 an air passage port 16 is formed. In the combustion the oil spray from a nozzle 9 is dispersed and burns by the air jetted from a nozzle-shaped blast port 11, an air passage hole 13, and the air hole 6 of the burner cone 3. During this combustion, the combustion gas is sucked through an air blast gap 15 formed on the outside of the nozzle-shaped blast port 11 with a ring 14 for exhaust gas circulation by the injector effect generated by the air jetted from the nozzle-shaped blast port 11, and circulated in the burner cone 3. The temperature of the combustion flame is thereby reduced by the combustion gas circulation and the NOX value is lowered.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、NOx値の低減を計った石油燃焼状署L−′
閘す7+亀ので息ス (従来の技術と課題) 従来の石油燃焼装置においては、第3図に示すように、
バーナケース(1)に設けたエアコーン(財)と先端部
で接続し、送風間隙(イ)を存して多数の空気孔り、(
財)を有するバーナコーン(2)およびこれと連設した
バーナコーンチューブ(ホ)かうZる燃焼筒を内設し、
燃焼筒内にフレームホルダー匈およびノズル(至)を設
け、ノズル(至)から噴出するオイル噴霧を空気孔(ハ
)からの1次空気と空気孔−からの2次空気とにより拡
散燃焼を行うものがあるが、このような石油燃焼装置に
おいては燃焼炎の温度が高いため、NOx値が高いとい
う問題点を有していた。
DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention provides an oil combustion condition L-'
Lock 7 + Tortoise breath (Conventional technology and issues) In conventional oil combustion equipment, as shown in Figure 3,
The tip is connected to the air cone provided in the burner case (1), with a ventilation gap (A) and numerous air holes (
A burner cone (2) having a burner cone (2) and a burner cone tube (e) connected thereto is installed inside,
A flame holder and a nozzle (to) are installed in the combustion cylinder, and the oil spray ejected from the nozzle (to) is diffused and combusted by primary air from the air hole (c) and secondary air from the air hole. However, such oil combustion equipment has a problem in that the NOx value is high because the temperature of the combustion flame is high.

本発明は、上記従来の問題点を解決し、N。The present invention solves the above conventional problems and has N.

X値を低減させた石油燃焼装置の提供を目的とするもの
である。
The purpose of this invention is to provide an oil combustion device with a reduced X value.

(課題を解決するための手段) 本発明は、上記の目的を達成するために、多数の空気孔
を設けたバーナコーンとバーナコーン千ユープ)−にr
す#悸箭ル形慮17、rの嵌帷筒内に中央にノズルを臨
ませるノズル状送風口を有する仕切板を設け、この仕切
板に設けた複数の通風孔と基部を連通ずると共に前記バ
ーナコーンと仕切板および仕切板のノズル状送風口部と
の間に通風間隙を存して排気循環用リングを内設し、ノ
ズル状送風口の外側に開口した通風口から通風間隙を介
してノズル状送風口の噴出空気によるイジェクタ−効果
で燃焼ガスを吸引しバーナコーン内に循環させるように
した構成としである。
(Means for Solving the Problems) In order to achieve the above object, the present invention provides a burner cone provided with a large number of air holes,
A partition plate having a nozzle-shaped air outlet with a nozzle facing the center is provided in the fitting cylinder of R, and a plurality of ventilation holes provided in this partition plate communicate with the base, and the above-mentioned A ventilation gap is provided between the burner cone, the partition plate, and the nozzle-shaped air outlet of the partition plate, and an exhaust circulation ring is installed inside the burner cone, the partition plate, and the nozzle-shaped air outlet of the partition plate. The structure is such that combustion gas is sucked in by the ejector effect of the air ejected from the nozzle-shaped air outlet and circulated within the burner cone.

(作用) 燃焼時、ノズルからのオイル噴霧は燃焼筒の空気孔から
噴出する空気と混合し燃焼するが、この燃焼ガスの一部
がノズル状送風口からの噴出空気によるイジェクタ−効
果により、排気循環用リングで形成した通風間隙を介し
ノズル状送風口の外側に開口した通風口から吸引され、
バーナコーン内に循環するので燃焼炎の温度が若干低下
し、NOx値を低減する。
(Function) During combustion, the oil spray from the nozzle mixes with the air ejected from the air hole of the combustion tube and burns, but a part of this combustion gas is ejected by the ejector effect of the air ejected from the nozzle-shaped air outlet. The air is sucked through the ventilation gap formed by the circulation ring and from the ventilation opening opened on the outside of the nozzle-shaped ventilation opening.
Circulation within the burner cone slightly lowers the combustion flame temperature, reducing NOx levels.

(実施例) 第1図は本発明の一実施例を示す要部縦断面図、第2図
は第1図A−A線断面図である。
(Embodiment) FIG. 1 is a longitudinal sectional view of a main part showing an embodiment of the present invention, and FIG. 2 is a sectional view taken along the line A--A in FIG.

(1)は石油燃焼装置のバーナケースで、ファン(図示
せず)と接続し燃焼用空気を送風する〇(2)はバーナ
ケース(1)に設けたエアコーンである。(3)は先端
部(4)でエアコーン(2)と接続した筒状のバーナコ
ーンで、バーナコーンチューブ(5) ト連設し、周囲
に多数の空気孔(6)、(7)を設けて燃焼筒を形成し
ている。(8)は燃焼筒を形成するバーナコーンチュー
ブ(5)の基端に設けたノズル取付板で、ノズル(9)
を貫設しである。0Qは燃焼筒を形成するバーナコーン
(3)基部に内設した仕切板で、中央にノズル(9)を
臨ませオイル噴霧を燃焼用空気と共に噴出するノズル状
送風口αυを開口するノズル状送風口部(財)を突設す
ると共に複数の通風孔側を設けである。α4はバーナコ
ーン(3)および仕切板0Qとその中央に設けたノズル
状送風口部(ロ)の壁面に沿うように通風間隙(至)を
存し、ノズル状送風口部(ロ)の外側に通風口αQを形
成するように設けた排気循環用リングで、その基部αη
を仕切板0Qの通風孔口と通風路(ト)により連結しで
ある◎09は通風路(ト)と対向するように設けたフレ
ームホルダーで、排気循環用リングα場内で火炎を定着
し、燃焼炎を安定させる。・、′)゛本発明は上記構成
からなり、燃焼時、ノズル(9)からのオイル噴霧は、
ノズル状送風口αυ、通風孔側およびバーナコーン(3
)の空気孔(6)からの噴出空気により拡散燃焼する。
(1) is a burner case of an oil combustion device, and (2) is an air cone installed in the burner case (1) that is connected to a fan (not shown) to blow combustion air. (3) is a cylindrical burner cone that is connected to the air cone (2) at the tip (4), and is connected to the burner cone tube (5), with numerous air holes (6) and (7) around it. to form a combustion tube. (8) is a nozzle mounting plate provided at the base end of the burner cone tube (5) forming the combustion tube, and the nozzle (9)
It is installed through. 0Q is a partition plate installed inside the base of the burner cone (3) that forms the combustion tube, and a nozzle-shaped air blower opening αυ from which a nozzle (9) faces the center and blows out oil spray together with combustion air. It has a protruding mouth part and a plurality of ventilation holes. α4 has a ventilation gap (to) along the wall surface of the burner cone (3), the partition plate 0Q, and the nozzle-shaped ventilation opening (b) provided in the center, and the outside of the nozzle-shaped ventilation opening (b). An exhaust circulation ring provided to form a ventilation hole αQ at its base αη
is connected by the ventilation hole opening of the partition plate 0Q and the ventilation passage (G). ◎09 is a frame holder installed to face the ventilation passage (G), and fixes the flame within the exhaust circulation ring α field. Stabilizes the combustion flame.・,′)゛The present invention has the above configuration, and during combustion, the oil spray from the nozzle (9) is
Nozzle-shaped ventilation port αυ, ventilation hole side and burner cone (3
) Diffusion combustion occurs due to the air ejected from the air hole (6).

このとき、ノズル状送風口αυから噴出する空気による
イジェクタ−効果で、ノズル状送風口aηの外側に排気
循環用リングa4で形成した通風口αQから通風間隙α
Gを介して燃焼ガスを吸い込み、バーナコーン(8)内
に循環させる。従ってこの燃焼ガスの循環により燃焼炎
の温度を低下させ、NOx値を低減させる。
At this time, due to the ejector effect of the air ejected from the nozzle-shaped ventilation port αυ, the ventilation gap α
The combustion gases are sucked in through G and circulated into the burner cone (8). Therefore, this circulation of combustion gas lowers the temperature of the combustion flame and reduces the NOx value.

(発明の効果) 本発明は以上のように、バーナコーンとバーナコーンチ
ューブとにより形成した燃焼筒内に、中央にノズルを臨
ませるノズル状送風口を有する仕切板を設け、バーナコ
ーンおよび仕切板グ とその中央に設けたノズル状送風口部との間に通風間隙
を存して排気循環用リングを設け、ノズル状送風口の外
側に通風間隙を介して連通ずる通風口を形成するように
したので、ノズル状送風口から噴出する空気によるイジ
ェクタ−効果で通風間隙を介し、通風口から燃焼ガスを
吸い込み、バーナコーン内に再循環させ、燃焼炎の温度
を低下させてNOx値を低減させることができる。
(Effects of the Invention) As described above, the present invention provides a combustion tube formed by a burner cone and a burner cone tube, and a partition plate having a nozzle-shaped air outlet with a nozzle facing the center, and a burner cone and a partition plate. An exhaust circulation ring is provided with a ventilation gap between the nozzle-shaped ventilation opening and the nozzle-shaped ventilation opening provided in the center, and a ventilation opening that communicates with the outside of the nozzle-shaped ventilation opening through the ventilation gap is formed. Therefore, the ejector effect of the air ejected from the nozzle-shaped ventilation opening sucks the combustion gas through the ventilation gap and recirculates it within the burner cone, lowering the temperature of the combustion flame and reducing the NOx value. be able to.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の一実施例を示す要部縦断面図、第2図
は第1図A−A線断面図、第3図は従来例を示す要部縦
断m図である。 (3)00.バーナケース (5)・書・バーナコーンチューブ (6)・・・空気孔 (7)・・・空気孔 (9]・・・ノズル αq・・・仕切板 α〃・・・ノズル状送風口 (ロ)・ αJ ・ α4 ・ 明 ・ αQ ・ ・ノズル状送風口部 ・通風孔 ・排気循環用リング ・通風間隙 ・通風口
FIG. 1 is a longitudinal cross-sectional view of a main part showing an embodiment of the present invention, FIG. 2 is a cross-sectional view taken along the line A--A in FIG. 1, and FIG. 3 is a longitudinal cross-sectional view of a main part showing a conventional example. (3)00. Burner case (5), book, burner cone tube (6)...air hole (7)...air hole (9)...nozzle αq...partition plate α...nozzle-shaped air outlet ( b)・ αJ ・ α4 ・ Light ・ αQ ・ ・Nozzle-shaped ventilation opening, ventilation hole, exhaust circulation ring, ventilation gap, ventilation opening

Claims (1)

【特許請求の範囲】[Claims] 多数の空気孔を設けたバーナコーンとバーナコーンチュ
ーブとにより燃焼筒を形成し、この燃焼筒内に中央にノ
ズルを臨ませるノズル状送風口を有する仕切板を設け、
この仕切板に設けた複数の通風孔と基部を連通すると共
に前記バーナコーンと仕切板および仕切板のノズル状送
風口部との間に通風間隙を存して排気循環用リングを内
設し、ノズル状送風口の外側に開口した通風口から通風
間隙を介してノズル状送風口の噴出空気によるイジェク
ター効果で燃焼ガスを吸引しバーナコーン内に循環させ
るようにしたことを特徴とする石油燃焼装置。
A combustion tube is formed by a burner cone provided with a large number of air holes and a burner cone tube, and a partition plate having a nozzle-shaped air outlet with a nozzle facing the center is provided in the combustion tube,
An exhaust circulation ring is provided internally, communicating the plurality of ventilation holes provided in the partition plate with the base, and providing a ventilation gap between the burner cone, the partition plate, and the nozzle-shaped air outlet of the partition plate; An oil combustion device characterized in that combustion gas is sucked through a ventilation gap opened on the outside of a nozzle-shaped ventilation opening by an ejector effect of air ejected from the nozzle-shaped ventilation opening and circulated inside a burner cone. .
JP1304386A 1989-11-21 1989-11-21 Oil burning equipment Expired - Fee Related JPH0621682B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1304386A JPH0621682B2 (en) 1989-11-21 1989-11-21 Oil burning equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1304386A JPH0621682B2 (en) 1989-11-21 1989-11-21 Oil burning equipment

Publications (2)

Publication Number Publication Date
JPH03164607A true JPH03164607A (en) 1991-07-16
JPH0621682B2 JPH0621682B2 (en) 1994-03-23

Family

ID=17932396

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1304386A Expired - Fee Related JPH0621682B2 (en) 1989-11-21 1989-11-21 Oil burning equipment

Country Status (1)

Country Link
JP (1) JPH0621682B2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59200115A (en) * 1983-04-27 1984-11-13 Sanyo Electric Co Ltd Liquid fuel combustion device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59200115A (en) * 1983-04-27 1984-11-13 Sanyo Electric Co Ltd Liquid fuel combustion device

Also Published As

Publication number Publication date
JPH0621682B2 (en) 1994-03-23

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