JPH0248804B2 - - Google Patents
Info
- Publication number
- JPH0248804B2 JPH0248804B2 JP59228135A JP22813584A JPH0248804B2 JP H0248804 B2 JPH0248804 B2 JP H0248804B2 JP 59228135 A JP59228135 A JP 59228135A JP 22813584 A JP22813584 A JP 22813584A JP H0248804 B2 JPH0248804 B2 JP H0248804B2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- flame
- cylinder
- inner flame
- perforated
- 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 - Lifetime
Links
- 238000002485 combustion reaction Methods 0.000 claims description 52
- 239000011148 porous material Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 13
- 229910002091 carbon monoxide Inorganic materials 0.000 description 13
- 239000004071 soot Substances 0.000 description 8
- 241000217776 Holocentridae Species 0.000 description 6
- 239000003350 kerosene Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Description
【発明の詳細な説明】
産業上の利用分野
本発明は局部暖房器等として使用される芯上下
式石油燃焼器具の燃焼筒に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a combustion tube for a wick type oil combustion appliance used as a local heater or the like.
従来例の構成とその問題点
近年、例えば芯上下式石油燃焼器具では、内炎
筒、外炎筒、外筒にて構成した一次燃焼室より赤
外線を放射させ、一次燃焼室の上方に形成した二
次燃焼室内に拡炎装置を納め白光炎燃焼させる構
成とし、白光炎燃焼の特徴である排気ガス特性
（CO／CO2）の低減を広範囲の発熱量変化に対し
て維持すると供に、一次燃焼室より放射される赤
外線にて暖房効果を高めるものが考えられてい
る。Conventional configurations and their problems In recent years, for example, in top-and-bottom wick type oil combustion appliances, infrared rays are emitted from the primary combustion chamber, which is composed of an inner flame tube, an outer flame tube, and an outer flame tube, and the combustion chamber is formed above the primary combustion chamber. The configuration is such that a flame expander is housed in the secondary combustion chamber to cause white flame combustion, and the reduction in exhaust gas characteristics (CO/CO 2 ), which is a characteristic of white flame combustion, is maintained over a wide range of changes in calorific value. It is being considered that the heating effect can be enhanced using infrared rays emitted from the combustion chamber.
以下図面を参照しながら、上述したような燃焼
筒について説明を行う。 The combustion tube as described above will be explained below with reference to the drawings.
第１図は従来の例えば芯上下式石油燃焼器の燃
焼筒の断面図を示すものである。 FIG. 1 shows a sectional view of a combustion tube of a conventional oil combustor, for example, a top-and-bottom wick type oil combustor.
第１図において、１は上下に摺動する灯芯、２
は灯芯１の内方に位置する内炎筒、３は灯芯１の
外方に位置する外炎筒、４は外炎筒３の外側方に
位置する外筒、５は外筒４の上方に置かれた透過
筒である。６は内炎筒２に嵌合された内炎筒天
板、７は内炎筒天板６の上方に設けた拡炎装置で
あり、内炎筒２内の空気は内炎筒天板６を経て、
拡炎装置７に供給される。８は外炎筒３の上部に
固定された外炎筒天板であり、内縁を外炎筒３上
方に位置させ、外縁を透過筒５にのぞませてい
る。 In Figure 1, 1 is a lamp wick that slides up and down, 2
3 is the inner flame tube located inside the lamp wick 1, 3 is the outer flame tube located outside the lamp wick 1, 4 is the outer tube located outside the outer flame tube 3, and 5 is above the outer tube 4. It is a transparent tube placed there. 6 is an inner flame tube top plate fitted to the inner flame tube top plate 2; 7 is a flame expansion device provided above the inner flame tube top plate 6; the air inside the inner flame tube 2 is supplied to the inner flame tube top plate 6; After
It is supplied to the flame spreader 7. Reference numeral 8 denotes an outer flame tube top plate fixed to the upper part of the outer flame tube 3, and its inner edge is positioned above the outer flame tube 3, and its outer edge is exposed to the transparent tube 5.
上記構成において、灯芯１から発生した灯油蒸
気を、内炎筒２、外炎筒３、外筒４を有する燃焼
筒により構成された一次燃焼室９にて一次燃焼さ
せ、内炎筒２、外炎筒３を赤熱させて赤外線を透
過筒５を透して外部へ放射せしめ、暖房効果を高
める。また、一次燃焼室９にて燃焼しきらない部
分は、内炎筒２、外炎筒４の上部にある二次燃焼
室１０にて立炎として生じ、二次燃焼室１０に設
けた拡炎装置７から二次空気を供給して白光炎燃
焼させ、白光炎による熱線を外部へ放射すると供
に、白光炎の特徴徴である燃焼による臭気を防止
し、一酸化炭素（CO）の発生を抑え、排気ガス
特性（CO／CO2）の低減を広範囲の発熱量変化
に対し維持している。 In the above configuration, kerosene vapor generated from the wick 1 is primarily combusted in the primary combustion chamber 9, which is composed of a combustion tube having an inner flame tube 2, an outer flame tube 3, and an outer flame tube 4. The flame tube 3 is made red hot to radiate infrared rays to the outside through the transmission tube 5, thereby enhancing the heating effect. In addition, the portion that is not completely burned in the primary combustion chamber 9 is generated as a standing flame in the secondary combustion chamber 10 located at the upper part of the inner flame tube 2 and the outer flame tube 4, and the flame expanding portion provided in the secondary combustion chamber 10 is Secondary air is supplied from the device 7 to cause white flame combustion, and the heat rays from the white flame are radiated to the outside, while also preventing the odor caused by combustion, which is a characteristic of white flame, and reducing the generation of carbon monoxide (CO). The reduction in exhaust gas characteristics (CO/CO 2 ) is maintained over a wide range of changes in calorific value.
ところが、上記に示した燃焼筒の場合、特に、
最小燃焼から最大燃焼に一挙に変更した場合、あ
るいは灯芯１の突出高さを最大にし、使用してい
る部屋の温度が相当に上昇にしても最大燃焼にし
て放置していた場合などに、灯芯１からの灯油蒸
気量が過剰になり、拡炎装置７を中心とする二次
燃焼室１０にて、立炎を処理することが出来ず、
その結果空気不足状態となり、立炎が伸長し、拡
炎装置７の上方にて中心に向つて収束し、器具本
体の天板まで達することがあつた。そのため、こ
のような状態となつた場合、著しいスス、一酸化
炭素（CO）の発生をみたり、立炎が器外へ出て
しまつたり、多大な臭気を出すなど、非常に危険
な状態となることがあつた。 However, in the case of the combustion tube shown above, in particular,
If you change from minimum combustion to maximum combustion all at once, or if you maximize the protrusion height of wick 1 and leave it at maximum combustion even if the temperature in the room where it is used rises considerably, The amount of kerosene vapor from 1 becomes excessive, and the secondary combustion chamber 10 centered around the flame expander 7 cannot handle the standing flame.
As a result, there was a lack of air, and the standing flame expanded and converged toward the center above the flame spreader 7, sometimes reaching the top plate of the device body. Therefore, if such a situation occurs, a very dangerous situation may occur, such as significant soot and carbon monoxide (CO) being generated, flames coming out of the vessel, and a strong odor being emitted. Something happened.
発明の目的
本発明は上記欠点を鑑みてなしたもので、白光
炎燃焼の最大の欠点であるスス、臭気の発生を防
止できる使い勝手の良い安全な燃焼器具を提供す
ることを目的としたものである。Purpose of the Invention The present invention has been made in view of the above-mentioned drawbacks, and aims to provide an easy-to-use and safe combustion appliance that can prevent the generation of soot and odor, which are the biggest drawbacks of white flame combustion. be.
発明の構成
この目的を達成させるために本発明の燃焼筒
は、内炎筒、外炎筒及び外炎筒の外側方に外筒、
外筒の上方に透過筒を有し、前記内炎筒、外炎
筒、外筒を連結棒にて連結し、前記内炎筒の上端
部には内炎筒の他の気孔よりも開口率が大きく、
かつ外上方向きの炎を形成する大気口を設けてあ
る。また、内炎筒上方には内炎筒天板が連接さ
れ、前記内炎筒天板上方には、前記内炎筒と同径
もしくは小径で前記大気口に形成される炎より長
い無孔筒が連結されている。Structure of the Invention In order to achieve this object, the combustion tube of the present invention includes an inner flame tube, an outer flame tube, and an outer flame tube on the outside of the outer flame tube.
A transparent tube is provided above the outer tube, and the inner flame tube, outer flame tube, and outer tube are connected by a connecting rod, and the upper end of the inner flame tube has an aperture ratio higher than that of other pores of the inner flame tube. is large,
It also has an air vent that creates an outward and upward flame. Further, an inner flame tube top plate is connected above the inner flame tube, and a non-perforated tube having the same diameter or a smaller diameter as the inner flame tube and longer than the flame formed at the air vent is connected above the inner flame tube top plate. are connected.
上記構成により、内炎筒内方を通過して来た空
気は、内炎筒上部に設けられた開口率の大きな大
気口より内炎筒外部へ放出される。そして、内炎
筒と外炎筒にて構成される一次燃焼室にて燃焼が
終了しない未然ガスが、前述した内炎筒上方の大
気口より流出した空気より拡散燃焼され、白光燃
焼を生じる。また、この白光炎燃焼は、透過筒を
外炎筒上端より上方まで延設することにより、よ
り顕著となる。生じた白光炎は内炎筒の上方にて
収束しようとする傾向があるが、内炎筒上方に無
孔筒を連接しているために、収束しにくくなる。
一般に白光炎が収束すると、白光炎が上方へ伸び
やすくなると供に、臭気、ススの発生しやすくな
る傾向があるが、無孔筒を備え白光炎が収束する
ことを防止しているために、臭気、ススの発生を
防ぐことが可能となる。 With the above configuration, the air that has passed through the inside of the inner flame tube is discharged to the outside of the inner flame tube through the air port with a large aperture ratio provided at the top of the inner flame tube. Then, the unburned gas that has not finished burning in the primary combustion chamber constituted by the inner flame tube and the outer flame tube is diffused and burned by the air flowing out from the above-mentioned atmospheric vent above the inner flame tube, resulting in white light combustion. Moreover, this white flame combustion becomes more noticeable by extending the transmitting tube above the upper end of the outer flame tube. The generated white flame tends to converge above the inner flame tube, but since the non-perforated tube is connected above the inner flame tube, it becomes difficult to converge.
Generally, when the white flame converges, it tends to spread upwards, and it also tends to generate odor and soot, but since it is equipped with a non-porous tube to prevent the white flame from converging It is possible to prevent the generation of odor and soot.
さらに、無孔筒を透過筒の上端まで延設し、無
孔筒の上方より内炎筒内方から内炎筒天板を経て
きた空気を放出する構成とすれば、たとえ、白光
炎が上方まで伸びたとしても、無孔筒上方に放出
される空気にて、白光炎が伸びることが押えら
れ、臭気、ススの発生はより妨げることが可能と
なるわけである。 Furthermore, if the non-porous tube is extended to the upper end of the transparent tube, and the air that has passed through the top plate of the inner flame tube is discharged from the inside of the inner flame tube from above the non-perforated tube, even if the white light flame is Even if the white flame extends to a certain extent, the air emitted above the non-perforated cylinder suppresses the white flame from spreading, making it possible to further prevent the generation of odor and soot.
実施例の説明
以下本発明の一実施例について、図面を参照し
ながら説明する。DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
第３図は本発明の一実施例における燃焼筒の断
面図を示すものである。第３図において、１１は
上下に摺動する灯芯、１２は灯芯１１の内側方に
位置し、灯芯１１を案内する内芯案内筒、１３は
灯芯１１の外側方に位置し、灯芯１１を案内する
外芯案内筒である。１４は内芯案内筒１２の上方
に載置され、多数の気孔を有する内炎筒であり、
この内炎筒１４の上端部には、他の内炎筒気孔１
４ａよりも開口率の大きな大気口１４ｂ、例えば
本実施例では上下方向に長い多数のスリツト状気
孔が設けられており、内炎筒１４の内方を通過し
て来た空気が多量に流出するようになつている。
１５は外芯案内筒１３の上方載置され、多数の気
孔を有する外炎筒である。１６は外炎筒１５の外
側方に間隔を介して配設された外筒、１７は外筒
１６の上方に載置され、外炎筒１５の上端よりも
上方まで延設された透過筒である。１８は上記内
炎筒１４、外炎筒１５、外筒１６を連結する連結
棒である。１９は複数の小孔１９ａ，１９ｂを有
し、内炎筒１４の上方に連接された内炎筒天板で
ある。２０は内炎筒天板１９の上方に連接され、
透過筒１７の上端まで延設された無孔筒であり、
無孔筒２０の上方には、内炎筒１４の内方を通
り、内炎筒天板１９の小孔１９ａを通過し、無孔
筒２０内方に導かれた空気を外方へ導くための開
口部２０ａがある。２１は無孔筒２０の上端開口
を閉塞している平板である。２２は外炎筒１５に
連接された外炎筒天板、２３は透過筒１７を閉塞
するための燃焼筒天板である。 FIG. 3 shows a sectional view of a combustion tube in an embodiment of the present invention. In FIG. 3, 11 is a lamp wick that slides up and down, 12 is an inner core guide tube located inside the lamp wick 11 and guides the lamp 11, and 13 is located outside the lamp wick 11 and guides the lamp 11. This is an outer core guide cylinder. 14 is an inner flame tube that is placed above the inner core guide tube 12 and has a large number of pores;
At the upper end of this inner flame tube 14, another inner flame tube air hole 1 is provided.
The air opening 14b has a larger opening ratio than the opening 4a, for example, in this embodiment, a large number of vertically long slit-shaped pores are provided, and a large amount of air that has passed through the inner flame tube 14 flows out. It's becoming like that.
Reference numeral 15 denotes an outer flame tube that is placed above the outer core guide tube 13 and has a large number of pores. Reference numeral 16 denotes an outer cylinder disposed at a distance from the outside of the outer flame cylinder 15, and 17 denotes a transmission cylinder placed above the outer cylinder 16 and extending above the upper end of the outer flame cylinder 15. be. 18 is a connecting rod that connects the inner flame tube 14, the outer flame tube 15, and the outer tube 16. Reference numeral 19 denotes an inner flame tube top plate connected above the inner flame tube 14 and having a plurality of small holes 19a and 19b. 20 is connected above the inner flame tube top plate 19,
It is a non-porous tube extending to the upper end of the transmission tube 17,
Above the non-perforated tube 20, there is a hole for guiding the air that passes inside the inner flame tube 14, passes through the small hole 19a of the inner flame tube top plate 19, and is guided inside the non-perforated tube 20 to the outside. There is an opening 20a. 21 is a flat plate that closes the upper end opening of the non-perforated tube 20. 22 is an outer flame tube top plate connected to the outer flame tube 15, and 23 is a combustion tube top plate for closing the transmission tube 17.
上記構成において、油タンク（図示していな
い）から灯油を吸い上げている灯芯１１に着火す
ると、内炎筒１４、外炎筒１５にて構成される一
次燃焼室２４で一部燃焼される。しかし、内炎筒
１４の気孔は上端に開口率の大きな大気口１４ｂ
それ以外は小気孔１４ａがあるために、内炎筒１
４の内方を通過して来た空気塊２５のうち小気孔
１４ａから一次燃焼室２４に流入する空気量は極
めて少なくなり、灯油の未然ガスは一次燃焼室２
４の上部域２６に持ち込まれる。そして、この未
然ガスは内炎筒１４の上部の大気口１４ｂより放
出される空気２７により拡散燃焼され一挙に白光
炎燃焼し、その白光炎は大気口１４ｂに付着して
燃焼を継続する。この際、透過筒２２は外炎筒１
５の上端よりも上方まで延設されているために、
一次燃焼室２６にかかるドラフト（上昇通気力）
が増しており、白光炎はより顕著になる。そのた
め、排気ガス特性（CO／CO2）の低減を広範囲
の発熱量変化に対して維持することが可能となる
訳である。 In the above configuration, when the wick 11 sucking up kerosene from an oil tank (not shown) is ignited, a portion of the kerosene is combusted in the primary combustion chamber 24 configured by the inner flame tube 14 and the outer flame tube 15. However, the pores of the inner flame cylinder 14 have an air opening 14b with a large opening ratio at the upper end.
Other than that, because there are small pores 14a, the inner flame tube 1
The amount of air flowing into the primary combustion chamber 24 from the small pores 14a among the air masses 25 that have passed through the inside of the combustion chamber 4 becomes extremely small, and the unused kerosene gas flows into the primary combustion chamber 2.
4 is brought into the upper area 26 of 4. Then, this unresolved gas is diffused and burned by the air 27 discharged from the air port 14b at the upper part of the inner flame cylinder 14, and burns with a white flame all at once, and the white flame adheres to the air hole 14b and continues combustion. At this time, the transmission tube 22 is the outer flame tube 1.
Because it extends above the upper end of 5,
Draft (rising ventilation force) applied to the primary combustion chamber 26
is increasing, and the white light flame becomes more prominent. Therefore, it is possible to maintain reduction in exhaust gas characteristics (CO/CO 2 ) over a wide range of changes in calorific value.
ところが、この白光炎は内炎筒１４、外炎筒１
５の上方にて形成される二次燃焼室２８にて収束
しようとする傾向がある。この現象は、灯芯１１
の高さの最小から最大に変更した場合、灯芯１１
の高さを最大にしたまま放置し、室内の温度が上
昇した場合などにより顕著に現われる。白光炎が
収束すると、白光炎が上方へ伸びやすくなり、ス
ス、臭気や一酸化炭素（CO）の発生する可能性
がある。これを防ぐために内炎筒１４の上方に無
孔筒２０が連接してあり、白光炎が一点に集中す
ることを防止してある。その無孔筒２０は透過筒
２２の上方まで延設してあるので、その効果は大
なるものとなる。 However, this white flame has an inner flame tube 14 and an outer flame tube 1.
There is a tendency to converge at the secondary combustion chamber 28 formed above the combustion chamber 5. This phenomenon is caused by the wick 11
If you change the height from the minimum to the maximum, the wick 11
This becomes more noticeable when the indoor temperature rises due to the room being left at its maximum height. Once the white flame converges, it tends to spread upwards, potentially producing soot, odor, and carbon monoxide (CO). In order to prevent this, a non-perforated cylinder 20 is connected above the inner flame cylinder 14 to prevent the white flame from concentrating on one point. Since the non-porous tube 20 extends above the transparent tube 22, its effect is great.
さらに、内炎筒１４の内方を通り、内炎筒天板
１９の小孔１９ａを通過し無孔筒２０の内方に侵
入した空気２９を平板２１にて規制し無孔筒２０
の開口部２０ａにより外方へ空気３０を放出する
ことにより、白光炎が極端に伸びたとしても、そ
の部分にて押えられ、より効果的となる。上記し
たのは、無孔筒２０に開口部２０ａを設けた場合
であるが、要は無孔筒２０内方を通過して来た空
気２９を外方へ放出する構成であれば良く、無孔
筒２０に開口部を設けなくとも、例えば無孔筒２
０と平板２１の間に間隙ある構成とすれば良い。 Furthermore, air 29 that has passed inside the inner flame tube 14, passed through the small hole 19a of the inner flame tube top plate 19, and entered the inside of the non-perforated tube 20 is regulated by the flat plate 21.
By discharging the air 30 outward through the opening 20a, even if the white flame grows extremely, it will be suppressed at that part, making it more effective. The above is a case where the opening 20a is provided in the non-perforated tube 20, but the point is that any configuration that releases the air 29 that has passed through the inside of the non-perforated tube 20 to the outside is sufficient. Even if the perforated cylinder 20 does not have an opening, for example, the non-perforated cylinder 2
0 and the flat plate 21 may be configured to have a gap.
また、内炎筒天板１９の無孔筒２０外側方に沿
つて複数の小孔１９ｂを設ければ、無孔筒２０の
外周に沿つてエヤーカーテンが形成されるため
に、白光炎が無孔筒２０に触れ、無孔筒２０にス
スが付着することはなくなる。 Furthermore, if a plurality of small holes 19b are provided along the outer side of the non-perforated tube 20 of the inner flame tube top plate 19, an air curtain is formed along the outer periphery of the non-perforated tube 20, so that no white flame is generated. No more soot will touch the perforated cylinder 20 and adhere to the non-perforated cylinder 20.
発明の効果
以上のように本発明の燃焼筒によればクリーン
な排気ガス特性が広燃焼範囲に渡つて得られる白
光炎燃焼を簡易な構成で提供できると供に、白光
炎燃焼の欠点である白光炎の収束を防止すること
が出き、そのために生じるスス、臭気、著しい一
酸化炭素の発生を妨げることが可能となり、安全
で使い勝手の良い燃焼筒を安価に提供することが
可能となる。Effects of the Invention As described above, according to the combustion tube of the present invention, white flame combustion with clean exhaust gas characteristics over a wide combustion range can be provided with a simple configuration, and the disadvantages of white flame combustion can be overcome. It is possible to prevent the convergence of the white flame, and the resulting generation of soot, odor, and significant carbon monoxide, and it is possible to provide a safe and easy-to-use combustion tube at a low cost.
第１図は従来の石油燃焼器の燃焼筒の縦断面
図、第２図は本発明の一実施例における石油燃焼
器の燃焼筒の断面図である。
１４……内炎筒、１４ｂ……内炎筒の大気口、
１５……外炎筒、１６……外筒、１７……透過
筒、１９……内炎筒天板、１９ａ……小孔（孔）、
２０……無孔筒、２０ａ……無孔筒の開口、２１
……平板。
FIG. 1 is a longitudinal sectional view of a combustion tube of a conventional oil combustor, and FIG. 2 is a sectional view of a combustion tube of an oil combustor according to an embodiment of the present invention. 14...Inner flame cylinder, 14b...Inner flame cylinder air port,
15... Outer flame tube, 16... Outer tube, 17... Transparent tube, 19... Inner flame tube top plate, 19a... Small hole (hole),
20... Non-porous tube, 20a... Opening of non-porous tube, 21
...Flat plate.
Claims (1)
側方に間隔を介して配設し、かつ多数の気孔を有
する外炎筒と、前記外炎筒の外側方に間隔を介し
て配設した外筒と、前記外筒上方に載置した透過
筒と、前記内炎筒上方に連接された内炎筒天板と
を備え、前記内炎筒の上端部には内炎筒の他の気
孔よりも開口率が大きく、かつ外上方向きの炎を
形成する大気口を設け、前記内炎筒天板上方に
は、前記内炎筒と同径もしくは内炎筒より小径で
前記大気口に形成される炎より長い無孔筒を連接
した燃焼筒。 ２ 透過筒は、外炎筒上端よりも上方まで延設し
た特許請求の範囲第１項記載の燃焼筒。 ３ 無孔筒は透過筒の上端まで延設し、前記無孔
筒を連接している内炎筒天板の、前記無孔筒の内
方に孔を設けると共に、前記無孔筒の上方に開口
を設けた特許請求の範囲第１項または第２項記載
の燃焼筒。 ４ 無孔筒は透過筒の上端まで延設し、前記無孔
筒を連接している内炎筒天板の、前記無孔筒の内
方に孔を設けると共に、前記無孔筒の上方に間隔
を介して平板を設けた特許請求の範囲第１項また
は第２項記載の燃焼筒。 ５ 無孔筒は内炎筒径よりも小径とし、前記無孔
筒を連接している内炎筒天板には、前記無孔筒の
外周に沿つて孔を設けた特許請求の範囲第１項記
載の燃焼筒。[Scope of Claims] 1. An inner flame tube having a large number of pores, an outer flame tube disposed on the outside of the inner flame tube with a gap therebetween and having a large number of pores, and an outer flame tube having a large number of pores on the outside of the outer flame tube. an outer cylinder disposed at a distance from the outer cylinder, a transparent cylinder placed above the outer cylinder, and an inner flame cylinder top plate connected above the inner flame cylinder; is provided with an air vent that has a larger aperture ratio than other pores of the inner flame tube and forms a flame directed outward and upward; A combustion tube in which a non-porous tube with a smaller diameter and longer than the flame formed at the atmosphere port is connected. 2. The combustion tube according to claim 1, wherein the transmission tube extends above the upper end of the outer flame tube. 3. The imperforate tube extends to the upper end of the transparent tube, and a hole is provided inside the imperforate tube in the top plate of the inner flame tube that connects the imperforate tube, and a hole is provided above the imperforate tube. A combustion tube according to claim 1 or 2, which is provided with an opening. 4. The non-perforated tube extends to the upper end of the transparent tube, and a hole is provided inside the non-perforated tube in the top plate of the inner flame tube that connects the non-perforated tube, and a hole is provided above the non-perforated tube. The combustion tube according to claim 1 or 2, wherein flat plates are provided at intervals. 5 The non-perforated cylinder has a diameter smaller than the inner flame cylinder diameter, and the inner flame cylinder top plate connecting the non-perforated cylinder is provided with holes along the outer periphery of the non-perforated cylinder. Combustion tube as described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22813584A JPS61107008A (en) | 1984-10-30 | 1984-10-30 | Combustion cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22813584A JPS61107008A (en) | 1984-10-30 | 1984-10-30 | Combustion cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61107008A JPS61107008A (en) | 1986-05-24 |
| JPH0248804B2 true JPH0248804B2 (en) | 1990-10-26 |
Family
ID=16871761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22813584A Granted JPS61107008A (en) | 1984-10-30 | 1984-10-30 | Combustion cylinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61107008A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3499233B2 (en) | 2002-03-22 | 2004-02-23 | 株式会社遠藤製作所 | Metal cylindrical body, method of manufacturing the same, and manufacturing apparatus |
| JP4133263B2 (en) | 2002-11-27 | 2008-08-13 | 株式会社ディムコ | Metal cylindrical film for electrophotographic apparatus and manufacturing method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5736406B2 (en) * | 1973-07-18 | 1982-08-04 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS621529Y2 (en) * | 1980-08-07 | 1987-01-14 |
-
1984
- 1984-10-30 JP JP22813584A patent/JPS61107008A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5736406B2 (en) * | 1973-07-18 | 1982-08-04 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61107008A (en) | 1986-05-24 |
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