JPH0449489Y2 - - Google Patents

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Publication number
JPH0449489Y2
JPH0449489Y2 JP1985071285U JP7128585U JPH0449489Y2 JP H0449489 Y2 JPH0449489 Y2 JP H0449489Y2 JP 1985071285 U JP1985071285 U JP 1985071285U JP 7128585 U JP7128585 U JP 7128585U JP H0449489 Y2 JPH0449489 Y2 JP H0449489Y2
Authority
JP
Japan
Prior art keywords
wick
ignition
filament
core
glass cloth
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
Application number
JP1985071285U
Other languages
Japanese (ja)
Other versions
JPS61186973U (en
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
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Priority to JP1985071285U priority Critical patent/JPH0449489Y2/ja
Publication of JPS61186973U publication Critical patent/JPS61186973U/ja
Application granted granted Critical
Publication of JPH0449489Y2 publication Critical patent/JPH0449489Y2/ja
Expired legal-status Critical Current

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  • Wick-Type Burners And Burners With Porous Materials (AREA)

Description

【考案の詳細な説明】[Detailed explanation of the idea]

<産業上の利用分野> 本考案は、石油などの液体燃料を燃焼させる液
体燃料燃焼装置に関するものである。 <従来の技術> 液体燃料燃焼装置では、芯内筒1と芯外筒2と
の間に介装された芯3を上下動させて点火装置4
により着火させていた。 点火装置4には、ヒータ可動式とヒータ固定式
のものがあり、ヒータ可動式点火装置4では、第
7図の如く最良の着火ポイントは芯上端3aより
A寸法(約1〜2mm)下がつた位置にあり、芯3
とフイラメント5の距離はB寸法(約1〜3mm)
とされている。 他方、ヒータ固定式点火装置は、第8図の如く
芯外筒2の上端に固定され、その最良の着火ポイ
ントは芯上端3aと点火ヒータ4のフイラメント
5が同一高さにあり、また芯3とフイラメント5
の距離がD(約0.5〜3mm)である。 安定最大燃焼の芯露出長を約10mmと設定した場
合、現行のレバー式芯上下機構にて芯3を上下さ
せると、第9図の如く当初14mm(図中F)まで芯
3を上げたのちに10mm(図中G)の設定位置を得
る方式となつている。 したがつて、芯3が約14mm(図中F)から約10
mm(図中G)まで下がる間に着火のタイミングを
設定する必要がある。芯3が10mm(図中E)にセ
ツトされた後に通電することは不必要であり、ま
た、安定最大燃焼中にフイラメントが通電状態に
なるため好ましくない。 したがつて、着火タイミングは、芯3の高さが
約14〜12mm(F〜H)程度の間に設定する必要が
ある。 <考案が解決しようとする課題> しかしヒータ固定式点火装置の場合、ヒータの
製造、設計、使用条件等によりフイラメント5の
高さが約9〜10mm(図中E)が限度である。すな
わち、芯3の高さが14〜12mm(F〜H)の時フイ
ラメントの高さが9〜10mm(図中E)にて通電し
てもフイラメント5の上方に芯3の壁が位置し、
燃焼ガス、酸素との混合がうまくいかなくて着火
しないという欠点があつた。 また、液体燃料燃焼装置では、芯3の先端状態
が、第4図に示すように、ひげ6状の繊維が多数
出ているため、芯3を上げた場合、点火ヒータの
フイラメント5と芯が近接していると、ひげ6の
ためフイラメント5が変形してしまうことがあつ
た。 このため、ひげ6の発生防止及び芯の補強とし
て、第5図の如くガラス布7等の不燃焼材料で覆
つた燃焼芯、あるいは第6図の如く金網8で覆つ
た芯3が提案されたが、前者はガラス布7に通気
口がほとんどないかあるいは極小のため点火性能
が良くなく、後者は点火ヒータの熱が金網8で奪
われてしまい、点火性能が極端に悪かつた。 本考案は、上記に鑑み、着火性能を向上し得る
液体燃料燃焼装置の提供を目的としている。 <課題を解決するための手段> 本考案による課題解決手段は、点火装置に対応
する芯上端の一部に耐熱性及び吸油性を有する保
護材を貼着し、この保護材を、ガラス繊維を編ん
だガラス布から構成し、このガラス布の編目を多
数の通気孔とし、この通気孔を、0.1mm2〜2.5mm2
孔径で3〜800個/100mm2の密度で設けたものであ
る。 <作用> 上記課題解決手段において、芯のひげでも点火
ヒータのフイラメントを変形させるものはかなり
大きなものであるので、これを目の粗いガラス布
で防ぐ。 また、フイラメントを変形させないような細か
いひげは芯の着火にとつては有益なものであり、
これを利用するためにも通気孔を設けたガラス布
を用いると、表Dで示すように、ガラス布のない
場合に比べて、その点火性能の劣化はほとんど認
められない。 <実施例> 以下、本考案の一実施例を図面に基いて説明す
ると、本考案に係る燃焼装置は、芯内筒1に沿つ
て上下動する芯3と、該芯の上端外周に配された
点火装置4とを具え、該点火装置4に近接する芯
上端の一部に側面視長方形の切欠6が形成され、
該切欠6に芯のひげ状繊維が発生するのを防止す
るための耐熱性及び吸油性を有する保護材として
のガラス布7aが該切欠6の底壁部から下方に、
前記芯3を覆うように貼着されたものである。 前記芯3は、芯内筒1と芯外筒2との間に介装
され、該芯3は周知構造の芯昇降装置(図示せ
ず)により上下動自在とされる。 そして、点火装置4はヒータ固定式のもので、
第2図の如く上開放コ字形ヒータ台7の上端間に
フイラメント5が張設され、ヒータ台7は前記芯
外筒2に固定されている。 なお、<従来の技術>項で述べたように、芯3
の高さが芯外筒2の上端2aから約14〜12mmでフ
イラメント5に通電させ最良の着火ポイントを得
る必要がある。そのための着火条件として、フイ
ラメント5に近接する部分のみ芯3の高さを約8
〜11mm(フイラメント高さ9〜10mmに対して芯上
端の高さを約±1mm)程度に設定する必要があ
る。 この条件を満たす方法としてフイラメント5に
近接する芯上端の一部に前記切欠6が形成され
る。この切欠6は、横幅は約10mm(図中M)とさ
れ、その深さJはフイラメント5の同一高さとな
るよう約5mmとされる。 すなわち、芯3の高さが約14mmに対して約5mm
(図中J)の深さの切欠6を設け、着火部(フイ
ラメント部)のみ芯3の高さとフイラメント5の
高さをほぼ同一(約9〜10mm)にし、また芯3の
切欠6とフイラメント5の水平距離も約0.5〜3
mm(図中K)に調整することにより最良の着火ポ
イントが得られる。 また、前記芯3に貼着されるガラス布7aは、
ガラス繊維でメツシユ状に編んだもので、その編
目が多数の通気孔とされ、その0.1mm2〜2.5mm2の通
気孔が3〜800個/100mm2の密度で設けられていて
点火性能向上の目的を果たしている。 なお、芯のひげでも点火ヒータのフイラメント
を変形させるものはかなり大きなものであるの
で、目の粗いガラス布で防ぐことができる。ま
た、フイラメントを変形させないような細かいひ
げは芯の着火にとつては有益なものであり、これ
を利用するためにも通気孔を設けたガラス布がよ
く、着火性能を向上し得る。 また、芯の切欠6の形状としては、第10図a
〜eのように、のこぎり歯状、V型状、長方形、
台形のものが考えられる。そして、切欠6の縦壁
部6aや斜壁部6bは芯がずれた場合、フイラメ
ント5の中央位置から縦壁6aや斜壁6bを伝つ
て着火する。また、芯の切欠6は空気の流れを良
くするとともに着火性向上に役立つ。 表A,B,C,Dは、着火時間の実験データで
ある。 なお、電圧は全て2V、芯3とフイラメント5
の距離は1.5mm、実験に使用した器具は全て同一
機種とする。そして、表Dが本考案による結果で
ある。
<Industrial Application Field> The present invention relates to a liquid fuel combustion device that burns liquid fuel such as petroleum. <Prior art> In a liquid fuel combustion device, an ignition device 4 is activated by vertically moving a wick 3 interposed between an inner wick cylinder 1 and an outer wick cylinder 2.
It was ignited by. There are two types of ignition device 4: one with a movable heater and one with a fixed heater. In the movable heater type ignition device 4, the best ignition point is at the A dimension (approximately 1 to 2 mm) below the upper end 3a of the wick, as shown in Fig. 7. Located in the ivy position, core 3
The distance between and filament 5 is B dimension (approximately 1 to 3 mm)
It is said that On the other hand, the heater fixed type ignition device is fixed to the upper end of the core outer cylinder 2 as shown in FIG. and filament 5
The distance between them is D (approximately 0.5 to 3 mm). When the wick exposure length for maximum stable combustion is set to approximately 10 mm, when the wick 3 is raised and lowered using the current lever-type wick up-and-down mechanism, the wick 3 is initially raised to 14 mm (F in the figure) as shown in Figure 9. The method is to obtain the setting position of 10 mm (G in the figure). Therefore, core 3 is approximately 14 mm (F in the diagram) to approximately 10 mm.
It is necessary to set the ignition timing while the temperature drops to mm (G in the figure). It is unnecessary to energize after the wick 3 is set at 10 mm (E in the figure), and it is also undesirable because the filament becomes energized during maximum stable combustion. Therefore, the ignition timing needs to be set when the height of the wick 3 is about 14 to 12 mm (F to H). <Problem to be solved by the invention> However, in the case of a fixed heater type ignition device, the height of the filament 5 is limited to about 9 to 10 mm (E in the figure) depending on the manufacturing, design, usage conditions, etc. of the heater. That is, when the height of the core 3 is 14 to 12 mm (F to H), the wall of the core 3 is located above the filament 5 even if the current is applied when the height of the filament is 9 to 10 mm (E in the figure).
The drawback was that the combustion gas and oxygen did not mix well and ignition did not occur. In addition, in a liquid fuel combustion device, the tip of the wick 3 has a large number of whisker-like fibers protruding as shown in Figure 4, so when the wick 3 is raised, the filament 5 of the ignition heater and the wick are If they were close to each other, the filament 5 could be deformed due to the whiskers 6. Therefore, in order to prevent the generation of whiskers 6 and to reinforce the wick, a combustion wick covered with a non-combustible material such as glass cloth 7 as shown in Fig. 5, or a wick 3 covered with a wire mesh 8 as shown in Fig. 6 has been proposed. However, the former had poor ignition performance because the glass cloth 7 had few or very small ventilation holes, and the latter had extremely poor ignition performance because the heat of the ignition heater was absorbed by the wire mesh 8. In view of the above, the present invention aims to provide a liquid fuel combustion device that can improve ignition performance. <Means for solving the problem> The problem solving means according to the present invention is to attach a heat-resistant and oil-absorbing protective material to a part of the upper end of the wick corresponding to the igniter, and to attach this protective material to glass fiber. It is constructed from knitted glass cloth, and the meshes of this glass cloth are made into many ventilation holes, and these ventilation holes are provided at a density of 3 to 800 holes/100mm 2 with a hole diameter of 0.1 mm 2 to 2.5 mm 2 . . <Function> In the above-mentioned means for solving the problem, since the whiskers of the wick are quite large and deform the filament of the ignition heater, this is prevented by using a coarse glass cloth. In addition, fine whiskers that do not deform the filament are beneficial for ignition of the wick.
If a glass cloth with ventilation holes is used to take advantage of this, as shown in Table D, there is almost no deterioration in the ignition performance compared to the case without the glass cloth. <Example> Hereinafter, an example of the present invention will be described based on the drawings. A notch 6 having a rectangular shape in side view is formed in a part of the upper end of the wick close to the igniter 4,
A glass cloth 7a as a protective material having heat resistance and oil absorption properties for preventing the generation of core whisker-like fibers in the notch 6 extends downward from the bottom wall of the notch 6.
It is pasted so as to cover the core 3. The core 3 is interposed between the core inner tube 1 and the core outer tube 2, and the core 3 is vertically movable by a core lifting device (not shown) having a well-known structure. The ignition device 4 is of a fixed heater type,
As shown in FIG. 2, a filament 5 is stretched between the upper ends of the open-top U-shaped heater stand 7, and the heater stand 7 is fixed to the core outer cylinder 2. In addition, as mentioned in the <Prior art> section, core 3
It is necessary to energize the filament 5 at a height of about 14 to 12 mm from the upper end 2a of the core outer cylinder 2 to obtain the best ignition point. As an ignition condition for this purpose, the height of the wick 3 should be approximately 8 mm only in the portion close to the filament 5.
It is necessary to set the height to about ~11 mm (the height of the top end of the core is approximately ±1 mm with respect to the filament height of 9 to 10 mm). As a method of satisfying this condition, the notch 6 is formed in a part of the upper end of the core close to the filament 5. The notch 6 has a width of about 10 mm (M in the figure) and a depth J of about 5 mm so as to be at the same height as the filament 5. In other words, the height of core 3 is about 14mm, while it is about 5mm.
A notch 6 with a depth of (J in the figure) is provided, and the height of the wick 3 and the height of the filament 5 are almost the same (approximately 9 to 10 mm) only in the ignition part (filament part), and the notch 6 of the wick 3 and the height of the filament 5 are approximately the same (about 9 to 10 mm). The horizontal distance of 5 is also about 0.5 to 3
The best ignition point can be obtained by adjusting to mm (K in the figure). Further, the glass cloth 7a attached to the core 3 is
It is made of glass fiber knitted into a mesh shape, and the mesh is used as a large number of ventilation holes, and the ventilation holes of 0.1 mm 2 to 2.5 mm 2 are provided at a density of 3 to 800 pieces/100 mm 2 to improve ignition performance. fulfills its purpose. Note that even the whiskers of the wick are quite large and can deform the filament of the ignition heater, so this can be prevented with a coarse glass cloth. In addition, fine whiskers that do not deform the filament are useful for ignition of the wick, and to take advantage of this, a glass cloth with ventilation holes is preferable, which can improve the ignition performance. In addition, the shape of the notch 6 in the core is shown in Fig. 10a.
~ Like e, saw tooth shape, V shape, rectangle,
A trapezoid is possible. If the vertical wall portion 6a or the inclined wall portion 6b of the notch 6 is misaligned, ignition occurs from the center of the filament 5 through the vertical wall portion 6a or the inclined wall portion 6b. Further, the notch 6 in the wick improves air flow and is useful for improving ignitability. Tables A, B, C, and D are experimental data for ignition times. In addition, the voltage is all 2V, core 3 and filament 5
The distance between the two is 1.5 mm, and all the instruments used in the experiment are of the same model. Table D shows the results according to the present invention.

【表】【table】

【表】 通気口〓0)
[Table] Vent = 0)

Claims (1)

【実用新案登録請求の範囲】 芯内筒に沿つて上下動する芯と、 該芯を点火位置まで上昇させた状態で芯の上端
外周に位置するよう配された点火装置と を具え、 該点火装置に対応する芯上端の一部に耐熱性及
び吸油性を有する保護材が貼着され、 該保護材は、ガラス繊維を編んだガラス布から
構成され、 該ガラス布の編目が多数の通気孔とされ、 該通気孔は、0.1mm2〜2.5mm2の孔径で3〜800
個/100mm2の密度で設けられた ことを特徴とする液体燃料燃焼装置。
[Scope of Claim for Utility Model Registration] A wick that moves up and down along an inner cylinder of the wick, and an ignition device disposed so as to be located on the outer periphery of the upper end of the wick when the wick is raised to the ignition position, and the ignition device A heat-resistant and oil-absorbing protective material is attached to a part of the upper end of the core corresponding to the device, and the protective material is made of a glass cloth made of woven glass fibers, and the meshes of the glass cloth form a large number of ventilation holes. The ventilation hole has a hole diameter of 0.1 mm 2 to 2.5 mm 2 and a diameter of 3 to 800 mm.
A liquid fuel combustion device characterized in that it is provided at a density of 100mm2 .
JP1985071285U 1985-05-14 1985-05-14 Expired JPH0449489Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985071285U JPH0449489Y2 (en) 1985-05-14 1985-05-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985071285U JPH0449489Y2 (en) 1985-05-14 1985-05-14

Publications (2)

Publication Number Publication Date
JPS61186973U JPS61186973U (en) 1986-11-21
JPH0449489Y2 true JPH0449489Y2 (en) 1992-11-20

Family

ID=30608634

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985071285U Expired JPH0449489Y2 (en) 1985-05-14 1985-05-14

Country Status (1)

Country Link
JP (1) JPH0449489Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57207729A (en) * 1981-06-16 1982-12-20 Matsushita Electric Ind Co Ltd Luquid fuel combustor
JPS59174902A (en) * 1983-03-25 1984-10-03 モスコフスキ−、インスチツ−ト、インジエネロフ、グラズダンスコイ、アビアツイイ Method and apparatus for preventing emergency fluctuation inoutput parameter to be controlled

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51128338U (en) * 1975-04-14 1976-10-16

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57207729A (en) * 1981-06-16 1982-12-20 Matsushita Electric Ind Co Ltd Luquid fuel combustor
JPS59174902A (en) * 1983-03-25 1984-10-03 モスコフスキ−、インスチツ−ト、インジエネロフ、グラズダンスコイ、アビアツイイ Method and apparatus for preventing emergency fluctuation inoutput parameter to be controlled

Also Published As

Publication number Publication date
JPS61186973U (en) 1986-11-21

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