JPH0268420A - Liquid fuel burner - Google Patents

Liquid fuel burner

Info

Publication number
JPH0268420A
JPH0268420A JP63220053A JP22005388A JPH0268420A JP H0268420 A JPH0268420 A JP H0268420A JP 63220053 A JP63220053 A JP 63220053A JP 22005388 A JP22005388 A JP 22005388A JP H0268420 A JPH0268420 A JP H0268420A
Authority
JP
Japan
Prior art keywords
vaporization
temperature
mixing chamber
liquid fuel
heater
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.)
Pending
Application number
JP63220053A
Other languages
Japanese (ja)
Inventor
Hisayoshi Mizuno
水野　久好
Yasuyuki Takasou
高相　泰幸
Naoyuki Hara
直行 原
Osamu Kadoma
門間　修
Toshihiko Ishihara
俊彦 石原
Yukio Tozaki
戸崎　行雄
Michio Suzuki
鈴木　通夫
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP63220053A priority Critical patent/JPH0268420A/en
Publication of JPH0268420A publication Critical patent/JPH0268420A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/027—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using mechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2221/00—Pretreatment or prehandling
    • F23N2221/04—Preheating liquid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/08—Measuring temperature
    • F23N2225/14—Ambient temperature around burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2237/00—Controlling
    • F23N2237/14—Controlling burners with gasification or vaporizer elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2239/00—Fuels
    • F23N2239/06—Liquid fuels

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Combustion (AREA)
  • Spray-Type Burners (AREA)

Abstract

PURPOSE:To prevent the forming of tar positively in a vaporization and mixing chamber by detecting directly the temperature of a section where its temperature drop caused by the vaporization heat of liquid fuel by a temperature sensor and controlling the operation of a heater based on the detected temperature. CONSTITUTION:At the bottom section of a vaporization and mixing chamber 9 located near a fuel injection nozzle 8, a temperature detector 41 is provided, and based on the temperature detected by the temperature detector 41 the operation of a heater 6 to heat the vaporization and mixing chamber 9 is made to be controlled by the detector 41. Accordingly when the temperature of the vaporization and mixing chamber 9 located near the fuel injection nozzle 8 drops due to the vaporization heat of the liquid fuel, the temperature there is detected by the temperature detector 41 and the heater 6 is started immediately and the vaporization and mixing chamber 9 is heated up to the temperature at which the liquid fuel is thoroughly vaporized. Accordingly the vaporization of the liquid fuel is carried out completely and the generation of tar composition is prevented positively in the vaporization and mixing chamber 9.

Description

【発明の詳細な説明】 Ｆ産業上の利用分野］ 本発明は液体燃料を強制気化して燃焼する液体燃料燃焼
装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Use] The present invention relates to a liquid fuel combustion device that forcibly vaporizes and burns liquid fuel.

［従来の技術］ 従来のこの種の液体燃料燃焼装置として、実開昭６２−
１４８８２０号公報に掲載の技術を挙げることができる
。[Prior art] As a conventional liquid fuel combustion device of this type,
The technique disclosed in Japanese Patent No. 148820 can be mentioned.

第４図は従来の液体燃料燃焼装置を示す断面図である。FIG. 4 is a sectional view showing a conventional liquid fuel combustion device.

図において、（１）は上端が開放された筒状の本体ケー
シング、（２〉は前記本体ケーシング（１）内の上部に
形成された燃焼室、（３）は前記燃焼室（２）の下方に
おいて本体ケーシング（１）内に収容された有底筒状の
燃焼器であり、外筒（４）と内筒（５）とからなってい
る。（６）は前記燃焼器（３）の底部に埋設されたヒー
タ、（７）は前記外筒（４）に形成された一次空気供給
口、（８）は前記−次空気供給口（７）に挿通された燃
料噴射ノズルである。（９）は前記燃料噴射ノズル（８
）からの液体燃料をヒータ（６）の熱で加熱気化し、−
次空気供給口（７〉からの−次空気と混合する気化混合
室であり、燃焼器（３）内に渦巻状の通路として形成さ
れている。In the figure, (1) is a cylindrical main casing with an open upper end, (2> is a combustion chamber formed in the upper part of the main casing (1), and (3) is a lower part of the combustion chamber (2). This is a bottomed cylindrical combustor housed in a main body casing (1), and consists of an outer cylinder (4) and an inner cylinder (5). (6) is the bottom part of the combustor (3). (7) is a primary air supply port formed in the outer cylinder (4), and (8) is a fuel injection nozzle inserted into the secondary air supply port (7). (9) ) is the fuel injection nozzle (8
) is heated and vaporized by the heat of the heater (6), and -
It is a vaporization mixing chamber that mixes with the secondary air from the secondary air supply port (7>) and is formed as a spiral passage in the combustor (3).

（１０）は前記気化混合室（９）の上面を覆う隔壁板で
あり、その一部には連通孔（１１）が形成されている。(10) is a partition plate that covers the upper surface of the vaporization mixing chamber (9), and a communication hole (11) is formed in a part of the partition plate.

（１２）は前記隔壁板（１０）の上方において外筒（４
〉と内筒（５）との間に横架された第１バーナプレート
であり、その中央部には混合気通過口（１３）が、外周
部には多数の溝状の炎孔（１４〉が形成されている。（
１５）は前記第１バーナプレート（１２）上に配置され
た第２バーナブレー１〜で必り、その全周には多数のス
ーツ１〜状の炎孔（１Ｇ）か形成されている。(12) is an outer cylinder (4) above the partition plate (10).
The first burner plate is horizontally suspended between the inner cylinder (5) and the inner cylinder (5), and has an air-fuel mixture passage port (13) in the center and a number of groove-shaped flame holes (14) in the outer periphery. is formed. (
15) is a second burner brake 1~ disposed on the first burner plate (12), and a large number of suit 1~-shaped flame holes (1G) are formed around its entire circumference.

そして、前記炎孔（１４−）、（１６）は気化混合室（
９）で生成された混合気を燃焼させる燃焼部を構成して
いる。The flame holes (14-) and (16) are the vaporization mixing chamber (
9) constitutes a combustion section that combusts the air-fuel mixture generated in step 9).

なあ、（１７）は燃焼器（３）の中央に形成された二次
中央空気通路、（１８）は燃焼器（３）の外周に形成さ
れた二次外周空気通路である。Note that (17) is a secondary central air passage formed at the center of the combustor (3), and (18) is a secondary peripheral air passage formed at the outer periphery of the combustor (3).

次に、上記のように構成された従来の液体燃料燃焼装置
の動作を説明する。Next, the operation of the conventional liquid fuel combustion apparatus configured as described above will be explained.

燃料噴射ノズル（８）から気化混合室（９）内に供給さ
れた液体燃料はヒータ（６）の熱で気化されるとともに
、気化混合室（９〉の渦巻状通路に沿って旋回する過程
で一次空気供給口（７）からの−次空気と混合されて混
合気となる。この混合気は隔壁板（１０）の連通孔（１
１）及び第１バーナプレート（１２）の混合気通過口（
１３）を通って炎孔（１４）及び（１６）に導かれ、図
示しない点火手段により点火されて火炎（１：〉が形成
され、その火炎（Ｆ）は二次中央空気通路（１７）と二
次外周空気通路（１８）とから供給される二次空気で助
勢されて燃焼室（２）に噴出される。The liquid fuel supplied from the fuel injection nozzle (8) into the vaporization mixing chamber (9) is vaporized by the heat of the heater (6), and in the process of swirling along the spiral path of the vaporization mixing chamber (9>). It is mixed with the secondary air from the primary air supply port (7) to form a mixture.This mixture is
1) and the mixture passage port of the first burner plate (12) (
13) to the flame holes (14) and (16), and is ignited by an ignition means (not shown) to form a flame (1:), which flame (F) is connected to the secondary central air passage (17). The secondary air is assisted by the secondary air supplied from the secondary outer peripheral air passage (18) and is ejected into the combustion chamber (2).

［発明が解決しようとする課題］ ところで、燃料噴射ノズル（８）の近傍における気化混
合室（９）の底部は液体燃料の気化によって熱を奪われ
るので、その部分の温度が局部的に低下する。温度か低
下すると、液体燃料の気化が不完全となるため、この部
分に液体燃料中のタール分が付着しやすくなる。そして
、長期使用に伴ないタール分の堆積量か増加すると、気
化）捏合室か狭くなって気化効率が更に低下し、混合気
の不完全燃焼を招く原因となる。[Problems to be Solved by the Invention] By the way, heat is removed from the bottom of the vaporization mixing chamber (9) near the fuel injection nozzle (8) by vaporization of the liquid fuel, so the temperature of that part locally decreases. . When the temperature drops, the vaporization of the liquid fuel becomes incomplete, making it easier for tar in the liquid fuel to adhere to this area. When the amount of tar accumulated increases with long-term use, the vaporization/kneading chamber becomes narrower, further reducing the vaporization efficiency and causing incomplete combustion of the air-fuel mixture.

そこで、本発明は気化混合室内におけるタール分の生成
を防止して、燃焼器を長期間安定運転できる液体燃料燃
焼装置の提供を課題とするものでおる。SUMMARY OF THE INVENTION Therefore, it is an object of the present invention to provide a liquid fuel combustion device that prevents the generation of tar in the vaporization mixing chamber and allows a combustor to operate stably for a long period of time.

「課題を解決するための手段］ 本発明にかかる液体燃料燃焼装置は、燃料噴射ノズル近
傍の気化混合室の底部に温度検出器を配設し、その温度
検出器か検出した温度に基づいて気化混合室を加熱する
ヒータの作動を制御するように構成したものでおる。"Means for Solving the Problems" The liquid fuel combustion device according to the present invention includes a temperature sensor disposed at the bottom of the vaporization mixing chamber near the fuel injection nozzle, and vaporization based on the temperature detected by the temperature sensor. It is configured to control the operation of a heater that heats the mixing chamber.

［作用］ 本発明においては、液体燃料の気化熱で温度低下する部
分の温度を温度検出器で直接検出するから、その検出温
度に基づいてヒータの作動を制御することにより、気化
混合室の燃料噴射ノズル近傍部分を完全気化温度に加熱
でき、気化混合室にお【ブるタールの生成を確実に防止
できる。[Operation] In the present invention, since the temperature of the portion where the temperature decreases due to the heat of vaporization of the liquid fuel is directly detected by the temperature sensor, the operation of the heater is controlled based on the detected temperature, so that the fuel in the vaporization mixing chamber is The area near the injection nozzle can be heated to the complete vaporization temperature, and the generation of tar in the vaporization mixing chamber can be reliably prevented.

「実施例］ 以下、本発明の詳細な説明する。"Example] The present invention will be explained in detail below.

第１図は本発明の一実施例による液体撚わ１燃焼装置の
断面図、第２図は第１図の一部破断平面図、第３図は温
度検出器の取付構成を示す第１図の部分下面図である。Fig. 1 is a sectional view of a liquid twisting 1 combustion device according to an embodiment of the present invention, Fig. 2 is a partially cutaway plan view of Fig. 1, and Fig. 3 is Fig. 1 showing the mounting configuration of a temperature sensor. FIG.

なあ、図中、従来例と同−符号及び記号は従来例の構成
部分と同一または相当する部分を示すものでおり、ここ
では重複する説明を省略する。Incidentally, in the drawings, the same reference numerals and symbols as in the conventional example indicate parts that are the same as or correspond to the constituent parts in the conventional example, and redundant explanation will be omitted here.

図において、（２１）は前記本体ケーシング（１）の底
部に接続された空気供給管、（２２）は本体ケーシング
（１〉内に前記燃焼器（３）を収容支持する支持部材、
（２３）は前記二次外周空気通路（１８）に連通するよ
うに支持部材（２２）に形成された二次外周空気口、（
２４〉は前記二次中央空気通路（１７）に連通ずるよう
に燃焼器（３）の底部に形成された二次中央空気口、（
２５）は二次中央空気通路（１７）からの二次空気を旋
回させる二次中央空気旋回板、（２６）は−次空気供給
口（２７）が形成された導気筒であり、その内部に前記
燃料噴射ノズル（８）が挿通されている。In the figure, (21) is an air supply pipe connected to the bottom of the main casing (1), (22) is a support member that accommodates and supports the combustor (3) within the main casing (1);
(23) is a secondary outer circumferential air port formed in the support member (22) so as to communicate with the secondary outer circumferential air passage (18);
24> is a secondary central air port formed at the bottom of the combustor (3) so as to communicate with the secondary central air passage (17);
25) is a secondary central air swirling plate that swirls the secondary air from the secondary central air passage (17), and (26) is a guide cylinder in which a secondary air supply port (27) is formed; The fuel injection nozzle (8) is inserted therethrough.

（２８〉は前記隔壁板（１０）と前記第１バーナブレー
１〜（１２〉との間に配設された均圧板であり、その全
周には隔壁板（１０）の連通孔（１１）を通過した混合
気の圧力を平均化して第１バナプレ−１〜（１２）の混
合気通過口（１３）に導く多数個の調整孔（２９）か形
成されている。(28> is a pressure equalizing plate disposed between the partition wall plate (10) and the first burner brakes 1 to (12), and the communication hole (11) of the partition plate (10) is provided on the entire circumference of the pressure equalizing plate. A large number of adjustment holes (29) are formed to average the pressure of the passed mixture and guide it to the mixture passage ports (13) of the first banner plates 1 to (12).

（３０）は第１バー少プレー１〜（１２）と前記第２バ
ーナブレー１〜（１５）との間に介装されたパンチング
プレート、（３月）は第２バーナプレ１〜（１５）の内
側部分に環状に多数個列設された内側炎孔、（３２）は
第２バーナプレート（１５）の外側部分に環状に多数個
列設された外側炎孔である。(30) is a punching plate interposed between the first bar small plate 1 to (12) and the second burner plate 1 to (15), and (March) is the inside of the second burner plate 1 to (15). The inner flame holes (32) are arranged in a plurality of annular rows in the outer part of the second burner plate (15), and the outer flame holes are arranged in a plurality in an annular row in the outer part of the second burner plate (15).

（３４）は前記燃焼器（３）の上端に対応して本体り一
−シング（１）の内面に固着された先細筒状の火炎絞り
部（Δ、（３７）は前記炎孔（１４）からの火炎（「）
中の炎電流を検出して混合気の不完全燃焼を検出する炎
電流検出器である。(34) is a tapered cylindrical flame throttle part (Δ) fixed to the inner surface of the main body re-singing (1) corresponding to the upper end of the combustor (3), (37) is the flame constrictor part (Δ) Flame from ('')
This is a flame current detector that detects incomplete combustion of the air-fuel mixture by detecting the flame current inside.

（３８）は前記燃料噴射ノズル（８）に対応する位置に
おいて燃焼器（３）の下面に突設された凸部であり、そ
の凸部（３Ｂ）には上端が前記気化混合室（９〉の底面
に開口する貫通孔（３９）か形成されるとともに、凸部
（３８）と前記ヒタ（６〉との間には断熱空間（４０）
が設けられている。（４１）は前記ヒータ（６）が作動
及び停止されるときの温度を検出する温度検出器であり
、上端か燃料噴射ノズル（８）の近傍の気化混合室（９
）の底面に露出するように前記貫通孔（３９）に挿着さ
れている。(38) is a convex portion that protrudes from the lower surface of the combustor (3) at a position corresponding to the fuel injection nozzle (8), and the convex portion (3B) has an upper end that is connected to the vaporization mixing chamber (9). A through hole (39) is formed that opens at the bottom of the lid, and a heat insulating space (40) is formed between the convex portion (38) and the lid (6>).
is provided. (41) is a temperature detector that detects the temperature when the heater (6) is activated and stopped, and is located at the upper end or near the fuel injection nozzle (8).
) is inserted into the through hole (39) so as to be exposed on the bottom surface of the hole (39).

次に、上記のように構成された本実施例の液体燃料燃焼
装置の動作を説明する。Next, the operation of the liquid fuel combustion apparatus of this embodiment configured as described above will be explained.

本実施例の液体燃料燃焼装置は前述した従来例とほぼ同
様に動作し、燃料噴射ノズル（８）から気化混合室（９
）内に供給された液体燃料はけ−タ（６）の熱で加熱気
化されるとともに、−次空気供給口（２７）からの−次
空気と混合されて混合気となり、その混合気は隔壁板（
１０）の連通孔（１１）及び第１バーナプレー１〜（１
２）の混合気通過口（１３）を通って炎孔（１４，）、
（３１）、（３２）に導かれ、図示しない点火手段によ
り点火されて火炎（Ｆ）が形成される。The liquid fuel combustion device of this embodiment operates almost in the same way as the conventional example described above, and is operated from the fuel injection nozzle (8) to the vaporization mixing chamber (9).
) is heated and vaporized by the heat of the jetter (6), and is mixed with the secondary air from the secondary air supply port (27) to form an air-fuel mixture. Board (
10) communication hole (11) and the first burner play 1 to (1
2) through the mixture passage port (13) to the flame hole (14,);
(31) and (32), and is ignited by an ignition means (not shown) to form a flame (F).

ところが、本実施例においては、ヒータ（６）の作動及
び停止か、燃料噴射ノズル（８）の近傍の気化混合室（
９）の底部に配設された温度検出器（４１）の検出温度
に基づいて制御される。したかって、液体燃料の気化熱
で燃料噴射ノズル（８）近傍部分の気化混合室（９）の
温度が低下すると、その温度を温度検出器（４１）が検
出して、ピーク（６〉か直ちに作動され、気化混合室（
９）が液体燃料の完全気化温度まで加熱される。However, in this embodiment, the activation and deactivation of the heater (6) or the vaporization mixing chamber (near the fuel injection nozzle (8))
9) is controlled based on the temperature detected by a temperature detector (41) disposed at the bottom of the chamber. Therefore, when the temperature of the vaporization mixing chamber (9) in the vicinity of the fuel injection nozzle (8) decreases due to the heat of vaporization of the liquid fuel, the temperature detector (41) detects the temperature and immediately detects the peak (6). The vaporization mixing chamber (
9) is heated to the complete vaporization temperature of the liquid fuel.

それ故、液体燃料の気化か完全に行われ、気化混合室（
９）内にあけるタール分の生成が確実に防止される。Therefore, the vaporization of liquid fuel takes place completely and the vaporization mixing chamber (
9) Generation of tar inside the container is reliably prevented.

このように、上記実施例の液体燃料燃焼装置は、燃料噴
射ノズル（８）近傍の気化混合室（９）の底部に温度検
出器（４１）を配設し、その温度検出器（４１〉か検出
した温度に基づいて気化混合室（９）を加熱するヒータ
（６）の作動を制御するように構成し、燃焼器（３）の
下面にはヒータ（６）との間に断熱空間（４０）を介し
て独立する凸部（３８）を突設するとともに、その凸部
（３Ｂ）には前記温度検出器（４１）を気化混合室（９
）の底面に露出させる貫通孔（３９）を形成したもので
おる。As described above, the liquid fuel combustion device of the above embodiment has the temperature sensor (41) disposed at the bottom of the vaporization mixing chamber (9) near the fuel injection nozzle (8), and the temperature sensor (41) The configuration is configured to control the operation of the heater (6) that heats the vaporization mixing chamber (9) based on the detected temperature, and there is an adiabatic space (40 ), and the temperature sensor (41) is connected to the vaporization mixing chamber (9) on the protrusion (3B).
) is formed with a through hole (39) exposed on the bottom surface.

したがって、上記実施例の液体撚お１燃焼装置によれば
、液体燃料の気化熱で温度低下する部分の温度を温度検
出器（４１）で直接検出して、その検出温度でヒータ（
６）を制御できるため、燃料噴射ノズル（８）の近傍の
気化混合室（９）を完全気化温度に加熱して、気化混合
室（９）におけるタール分の生成を確実に防止できる。Therefore, according to the liquid twister 1 combustion apparatus of the above embodiment, the temperature of the portion where the temperature decreases due to the heat of vaporization of the liquid fuel is directly detected by the temperature detector (41), and the heater (
6), the vaporization mixing chamber (9) near the fuel injection nozzle (8) can be heated to the complete vaporization temperature, thereby reliably preventing the generation of tar in the vaporization mixing chamber (9).

ところで、上記実施例の温度検出器（４１）は凸部（３
８）の貫通孔（３９）を介して気化混合室（９）の底面
に露出するように構成されているが、本発明はこの構成
に限定されるものではなく、温度検出器（４１）を燃料
噴射ノズル（８）の近傍の気化混合室（９〉の底部に露
出しない状態で配設することもできる。しかしながら、
上記実施例のように温度検出器（４１〉を気化混合室（
９）に露出させた場合には、気化混合室（９）の温度変
化に対する温度検出器（４１〉の応答性が向上するとい
う効果が得られる。また、上記実施例では、凸部（３８
）が断熱空間（４０〉を介してヒタ（６）から独立して
形成されているので、ヒタ（６）から温度検出器（４１
）への伝熱量が減少して、温度検出器（４１）が気化混
合室（９）の温度を高い精度で検出することができる。By the way, the temperature sensor (41) of the above embodiment has a convex portion (3
Although the temperature sensor (41) is exposed to the bottom surface of the vaporization mixing chamber (9) through the through hole (39) of the temperature sensor (8), the present invention is not limited to this configuration. It can also be arranged in a state where it is not exposed at the bottom of the vaporization mixing chamber (9) near the fuel injection nozzle (8).
As in the above embodiment, the temperature sensor (41) is connected to the vaporization mixing chamber (
When the convex portion (38) is exposed to
) is formed independently from the heater (6) via the heat insulating space (40〉), so the temperature sensor (41
) is reduced, allowing the temperature detector (41) to detect the temperature of the vaporization mixing chamber (9) with high accuracy.

［発明の効果１ 以上のように、本発明の液体燃料燃焼装置は、燃料噴射
ノズル近傍の気化混合室の底部に温度検出器を配設し、
その温度検出器が検出した温度に基づいて気化混合室を
加熱するヒータの作動を制御するように構成したもので
あるから、液体燃料の気化熱で温度低下する部分を完全
気化温度に加熱して、気化混合室におけるタール分の生
成を確実に防止でき、その結果、気化混合室がタールの
付着によって狭くなるおそれかなく、燃焼器を長期間安
定運転できる。[Effect of the Invention 1 As described above, the liquid fuel combustion device of the present invention includes a temperature sensor disposed at the bottom of the vaporization mixing chamber near the fuel injection nozzle,
It is configured to control the operation of the heater that heats the vaporization mixing chamber based on the temperature detected by the temperature detector, so the part whose temperature decreases due to the heat of vaporization of the liquid fuel is heated to the complete vaporization temperature. The generation of tar in the vaporization mixing chamber can be reliably prevented, and as a result, the combustor can be operated stably for a long period of time without the risk of the vaporization mixing chamber becoming narrow due to adhesion of tar.

【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による液体燃料燃焼装置の断
面図、第２図は第１図の一部破断乎面図、第３図は温度
検出器の取付構成を示す第１図の部分下面図、第４図は
従来の液体燃料燃焼装置を示す断面図でおる。 図において、 ６：ヒータ　　　　　　　８：燃利噴側ノズル９：気化
混合掌　　　　　１４：炎孔 ２７：−次空気供給口　　３１：内側炎孔３２：外側炎
孔　　　　　４１：温度検出器Ｆ：火炎 である。 なあ、図中、同−符号及び同一記号は同一または相当部
分を示すものである。 代理人　弁理士　大君　増血　外２名FIG. 1 is a sectional view of a liquid fuel combustion device according to an embodiment of the present invention, FIG. 2 is a partially cutaway view of FIG. 1, and FIG. 3 is a view of FIG. FIG. 4, a partial bottom view, is a sectional view showing a conventional liquid fuel combustion device. In the figure, 6: Heater 8: Fuel injection side nozzle 9: Vaporization mixing palm 14: Flame hole 27: Secondary air supply port 31: Inner flame hole 32: Outer flame hole 41: Temperature detector F: Flame. In the drawings, the same reference numerals and the same symbols indicate the same or corresponding parts. Agent: Patent attorney Daikun, Makoto Makoto, and 2 others

Claims (1)

【特許請求の範囲】[Claims] （１）燃料噴射ノズルからの液体燃料をヒータで加熱気
化して空気供給口からの空気と混合する気化混合室と、 前記気化混合室で生成された混合気を燃焼させる燃焼部
と、 前記燃料噴射ノズルの近傍の気化混合室の底部に配設さ
れ、前記ヒータを作動させる温度を検出する温度検出器
と を具備することを特徴とする液体燃料燃焼装置。(1) a vaporization mixing chamber that heats and vaporizes liquid fuel from the fuel injection nozzle with a heater and mixes it with air from the air supply port; a combustion section that combusts the air-fuel mixture generated in the vaporization mixing chamber; and the fuel A liquid fuel combustion apparatus comprising: a temperature detector disposed at the bottom of a vaporization mixing chamber near an injection nozzle to detect a temperature at which the heater is operated.
JP63220053A 1988-09-02 1988-09-02 Liquid fuel burner Pending JPH0268420A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63220053A JPH0268420A (en) 1988-09-02 1988-09-02 Liquid fuel burner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63220053A JPH0268420A (en) 1988-09-02 1988-09-02 Liquid fuel burner

Publications (1)

Publication Number Publication Date
JPH0268420A true JPH0268420A (en) 1990-03-07

Family

ID=16745190

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63220053A Pending JPH0268420A (en) 1988-09-02 1988-09-02 Liquid fuel burner

Country Status (1)

Country Link
JP (1) JPH0268420A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0744036U (en) * 1990-07-31 1995-10-24 サムスン エレクトロニクス カンパニー リミテッド Liquid fuel combustion device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0744036U (en) * 1990-07-31 1995-10-24 サムスン エレクトロニクス カンパニー リミテッド Liquid fuel combustion device

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