JPH031100A - Metal combustor - Google Patents
Metal combustorInfo
- Publication number
- JPH031100A JPH031100A JP13288889A JP13288889A JPH031100A JP H031100 A JPH031100 A JP H031100A JP 13288889 A JP13288889 A JP 13288889A JP 13288889 A JP13288889 A JP 13288889A JP H031100 A JPH031100 A JP H031100A
- Authority
- JP
- Japan
- Prior art keywords
- agent
- preheating
- alkali metal
- injection nozzle
- oxidizing agent
- 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
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 title claims abstract description 21
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 33
- 239000007800 oxidant agent Substances 0.000 claims abstract description 31
- 238000002347 injection Methods 0.000 claims abstract description 19
- 239000007924 injection Substances 0.000 claims abstract description 19
- 239000000446 fuel Substances 0.000 claims abstract description 12
- 229910052783 alkali metal Inorganic materials 0.000 claims description 33
- 150000001340 alkali metals Chemical class 0.000 claims description 33
- 230000001590 oxidative effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000007769 metal material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 206010034719 Personality change Diseases 0.000 description 1
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000003721 gunpowder Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
Landscapes
- Gas Burners (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野〕
本発明は、水中航走体の推進システム等に用いられるア
ルカリ金属と酸化剤との反応を利用した金属燃焼器に関
する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a metal combustor that utilizes a reaction between an alkali metal and an oxidizing agent, and is used in propulsion systems for underwater vehicles and the like.
リチウム等のアルカリ金属燃料を６弗化イオウ等の酸化
剤によって酸化燃焼させる金属燃焼器においては、金属
燃料を加熱・溶融して酸化剤との初期反応を容易にする
ため、棒状で金属燃料の中に埋め込まれた複数の火薬等
の予熱剤が使用されている。In a metal combustor that oxidizes and burns alkali metal fuel such as lithium with an oxidizing agent such as sulfur hexafluoride, the metal fuel is heated and melted to facilitate the initial reaction with the oxidizing agent. Multiple preheating agents such as gunpowder embedded inside are used.
この予熱剤は、金属燃料に設けられた穴に単に挿入され
ているために、金属燃焼器の姿勢の変化や振動・衝撃に
よって金属燃料の穴の中で踊り、予熱剤に破損や粉化に
よる発火が発生することがあるという問題があった。Because this preheating agent is simply inserted into a hole in the metal fuel, changes in the attitude of the metal combustor, vibrations, and shocks cause it to dance inside the hole in the metal fuel, causing damage to the preheating agent and powdering. There was a problem that ignition could occur.
この対策として、第３図に示すような予熱剤の固定方式
がある。即ち、スパイラル状に密に巻かれた水管１ａに
よって構成される外筒壁と同水管１ａと同心でその内方
にスパイラル状に密に巻かれた水管１ｂによって構成さ
れる内筒壁とによって形成される環状の′燃焼器本体１
内に燃料としてのアルカリ金属６が装填され、同アルカ
リ金属６に設けられた燃焼器本体１の軸方向の穴６′に
丸棒状の予熱剤５が挿入される。この予熱剤５の一端に
は、酸化剤噴射ノズル９が設けられた燃焼器の筒フラン
ジ１０に取付けられたアルカリ金属ブロック２０の先端
によって押圧され、予熱剤５が穴６′内に固定されてい
る。なお、図中８は、筒フランジｌＯと反対側において
外管１ａ及び内管ｔｂの間を封鎖する筒フランジである
。As a countermeasure against this problem, there is a method of fixing the preheating agent as shown in FIG. That is, it is formed by an outer cylinder wall formed by a water pipe 1a tightly wound in a spiral shape, and an inner cylinder wall formed by a water pipe 1b concentric with the water pipe 1a and wound tightly in a spiral shape inwardly. An annular combustor body 1
An alkali metal 6 as a fuel is loaded inside the combustor, and a round rod-shaped preheating agent 5 is inserted into an axial hole 6' of the combustor body 1 provided in the alkali metal 6. One end of this preheating agent 5 is pressed by the tip of an alkali metal block 20 attached to the cylinder flange 10 of the combustor provided with the oxidizer injection nozzle 9, and the preheating agent 5 is fixed in the hole 6'. There is. In addition, 8 in the figure is a cylindrical flange that seals off between the outer tube 1a and the inner tube tb on the opposite side to the cylindrical flange IO.
上記第３図に示す従来の予熱剤の固定方式においては、
アルカリ金属ブロック２０は鎖状に柔かいために、振動
、衝撃を繰り返し受けるときには、アルカリ金１ｉ１１
Ｅ６の固定効果が失なわれるという問題点があった。In the conventional preheating agent fixing method shown in Figure 3 above,
Since the alkali metal block 20 is chain-like and soft, when subjected to repeated vibrations and shocks, the alkali metal block 20
There was a problem that the fixed effect of E6 was lost.
本発明は、上記問題点を解決することができる金属燃焼
器を提供しようとするものである。The present invention aims to provide a metal combustor that can solve the above problems.
本発明は、燃料としてのアルカリ金属を噴射ノズルから
噴射される酸化剤によって酸化燃焼させる金属燃焼器に
おいて、アルカリ金属の燃料内に配置された予熱剤を、
アルカリ金属と反応すると共に上記酸化剤によって燃焼
する金属材料から成り、酸化剤の噴射ノズルを設けた燃
焼器端の壁部へ取付けられた固定材によって固定した。The present invention provides a metal combustor that oxidizes and burns alkali metal as fuel using an oxidizer injected from an injection nozzle, in which a preheating agent disposed within the alkali metal fuel is
It is made of a metal material that reacts with alkali metals and is combusted by the oxidizing agent, and is fixed by a fixing member attached to the wall at the end of the combustor where the oxidizing agent injection nozzle is provided.
本発明では、予熱剤は金属材料の固定材によってアルカ
リ金属の燃料内に固定され、燃焼器の姿勢変化に、もし
くは振動や衝撃によって破Ｉ員することがない。In the present invention, the preheating agent is fixed within the alkali metal fuel by a fixing member made of a metal material, and is not damaged by changes in the attitude of the combustor or by vibrations or impacts.
また、固定材は、アルカリ金属の燃焼時には溶融された
アルカリ金属と反応して次第に溶は出ると共に酸化剤に
よって燃焼して消失する。これによって、酸化剤は噴射
ノズルからアルカリ金属へ向って抵抗を受けずにスムー
ズに流れ、アルカリ金属の燃焼が円滑に行なわれる。Further, when the alkali metal is burned, the fixing material reacts with the molten alkali metal and gradually dissolves, and is burned by the oxidizing agent and disappears. As a result, the oxidizing agent flows smoothly from the injection nozzle toward the alkali metal without resistance, and the alkali metal is smoothly burned.
本発明の一実施例を第１図及び第２図によって説明する
。An embodiment of the present invention will be described with reference to FIGS. 1 and 2.
第３図に示す従来の金属燃焼器におけると同一の部分は
、第１図及び第２図において、同一の符号が付せられて
おり、その説明を省略する。The same parts as in the conventional metal combustor shown in FIG. 3 are designated by the same reference numerals in FIGS. 1 and 2, and their explanation will be omitted.
酸化剤噴射ノズル９をもつ筒フランジ１０は、水管ｆａ
ｔ ｌｂとの一端部に固定された筒リング７に取付けら
れており、同筒リング７の内壁に固定された環状の支持
部材１１の内壁にはねじ部が形成されている。′Ｂ付全
金具２、第２図に示すように、−端が開口し外面にねじ
部２ａが設けられた酸化剤噴射ノズル側の筒状部２ｃ、
同筒状部２Ｃの反対側に開口した予熱剤側の筒状部２ｄ
、中間に設けられたガス吐出穴２ｂ及び筒状部２ｄの底
部のゴムパツキン２ｅを備えている。上記ガス吐出穴２
ｂは、酸化剤の供給用のものであって、第２図に示すよ
うに、筒状部２ｃと２ｄの内部間及び筒状部２Ｃ内部と
取付金具の外部を連結するように設けられている。取付
金具３は、第２図に示すように、筒フランジ側取付部３
ａ及び予熱剤側取付部３ｂがはめ合い部３Ｃで接続され
、取付部３ａの端面には筒フランジと接触する突起３ｄ
が設けられている。また、取付金具４は、第２図に示す
ように、環状の形状を有している。アルカリ金属６の複
数の穴６′に挿入される複数の予熱剤５は、酸化剤噴射
ノズル側が縮小するテーパ状の形状を有している。上記
取付金具２及び４は、溶融されたアルカリ金属６と反応
して低融点の金属間化合物を形成すると共に、酸化剤噴
射ノズル９から噴射される酸化剤によって燃焼するアル
ミニウム、マグネシウム等の金属によって作られている
。The cylindrical flange 10 with the oxidizer injection nozzle 9 is connected to the water pipe fa.
The annular support member 11 is attached to the cylindrical ring 7 fixed to one end of the cylindrical ring 7, and a threaded portion is formed on the inner wall of the annular support member 11 fixed to the inner wall of the cylindrical ring 7. 'B complete fitting 2, as shown in Fig. 2, a cylindrical part 2c on the oxidizer injection nozzle side with an open end and a threaded part 2a on the outer surface;
Preheating agent side cylindrical part 2d opened on the opposite side of the cylindrical part 2C
, a gas discharge hole 2b provided in the middle, and a rubber gasket 2e at the bottom of the cylindrical portion 2d. Above gas discharge hole 2
b is for supplying the oxidizing agent, and as shown in FIG. 2, is provided to connect the insides of the cylindrical parts 2c and 2d and the inside of the cylindrical part 2C and the outside of the mounting bracket. There is. As shown in FIG.
a and the preheating agent side attachment part 3b are connected by a fitting part 3C, and the end surface of the attachment part 3a has a protrusion 3d that contacts the cylinder flange.
is provided. Further, the mounting bracket 4 has an annular shape as shown in FIG. The plurality of preheating agents 5 inserted into the plurality of holes 6' of the alkali metal 6 have a tapered shape that narrows on the oxidant injection nozzle side. The mounting fittings 2 and 4 react with the molten alkali metal 6 to form a low-melting-point intermetallic compound, and the metals such as aluminum and magnesium are combusted by the oxidizing agent injected from the oxidizing agent injection nozzle 9. It is made.
本実施例においては、筒フランジ８に突起３ｄを接触さ
せて取付金具３が筒フランジ８側のアルカリ金属６の穴
６′の端部に配置される。１個以上の取付金具４は、穴
６′に挿入される予熱剤５の外周に嵌合され、予熱剤５
の穴６′への挿入時に、同取付金具４は、アルカリ金属
６が柔かいことを利用して同アルカリ金属６の穴６′を
拡げながら予熱剤５のテーパ形状の外周面の適当な位置
をとり、予熱剤５を穴６′に固定する。その上で予熱剤
５の酸化剤噴射ノズル９側の端部に取付金具２の筒状部
２ｄを嵌合する。この状態で、取付金具２のねじ部２ａ
と支持部材１１のねじ部とによって、取付金具２を締め
てその位置を調整し、予熱剤５を取付金具２．３によっ
て所定の押圧力で挟持する０以上のように予熱剤５を金
具２，３．４に支持した上で、酸化剤の噴射ノズル９が
取付けられた筒フランジ１０を筒リング７の端部に溶接
等によって固着する。In this embodiment, the mounting bracket 3 is placed at the end of the hole 6' of the alkali metal 6 on the cylindrical flange 8 side with the protrusion 3d in contact with the cylindrical flange 8. The one or more fittings 4 are fitted around the outer circumference of the preheating agent 5 inserted into the hole 6',
When inserted into the hole 6' of the preheating agent 5, the mounting bracket 4 expands the hole 6' of the alkali metal 6 by taking advantage of the softness of the alkali metal 6 and positions the preheating agent 5 at an appropriate position on the tapered outer peripheral surface. and fix the preheating agent 5 in the hole 6'. Then, the cylindrical portion 2d of the mounting bracket 2 is fitted to the end of the preheating agent 5 on the oxidizing agent injection nozzle 9 side. In this state, the threaded part 2a of the mounting bracket 2
and the threaded part of the support member 11, tighten the mounting bracket 2 and adjust its position, and clamp the preheating agent 5 by the mounting bracket 2.3 with a predetermined pressing force. , 3.4, and the cylindrical flange 10 to which the oxidizer injection nozzle 9 is attached is fixed to the end of the cylindrical ring 7 by welding or the like.
このようにして、本実施例では、予熱剤５は、取付金具
２．３によって長手方向の振れが防止され、また取付金
具４によって横方向の振れが防止された状態でアルカリ
金属Ｇ内において強固に支持される。In this way, in this embodiment, the preheating agent 5 is firmly held in the alkali metal G with longitudinal deflection prevented by the mounting bracket 2.3 and lateral deflection prevented by the mounting bracket 4. Supported by
また、発火時においては、予熱剤５によってアルカリ金
属６を加熱・溶融させた上、酸化剤を噴射ノズル９より
取付金具２の筒状部２Ｃ、ガス吐出穴２ｂを経てアルカ
リ金属６へ供給して燃焼が行なわれる。燃焼の初期にお
いては、予熱剤５はアルカリ金属６を加熱・溶融させて
消滅し、次いで溶融したアルカリ金属６が噴射ノズル９
からの酸化剤と反応して燃焼する。この際、マグネシウ
ム、アルミニウム等の取付金具２，４は、溶融したアル
カリ金属６と反応して低融点の金属間化合物を生成して
次第に溶は出し、更に、酸化剤と反応して燃焼して消失
する。また、ゴムパツキン２ｅも酸化剤によって燃焼し
て消失する。これによって、酸化剤は噴射ノズル９から
抵抗を受けることなくアルカリ金属６に供給され、燃焼
が円滑に行なわれる。In addition, at the time of ignition, the alkali metal 6 is heated and melted by the preheating agent 5, and then the oxidizing agent is supplied from the injection nozzle 9 to the alkali metal 6 through the cylindrical part 2C of the mounting bracket 2 and the gas discharge hole 2b. Combustion takes place. At the beginning of combustion, the preheating agent 5 heats and melts the alkali metal 6 and disappears, and then the molten alkali metal 6 is injected into the injection nozzle 9.
Reacts with the oxidizing agent and burns. At this time, the mounting fittings 2 and 4 made of magnesium, aluminum, etc. react with the molten alkali metal 6 to produce a low-melting-point intermetallic compound, which gradually melts out, and further reacts with the oxidizing agent and burns. Disappear. Further, the rubber gasket 2e is also burned and disappeared by the oxidizing agent. As a result, the oxidizing agent is supplied to the alkali metal 6 from the injection nozzle 9 without resistance, and combustion is performed smoothly.
以上のように、本実施例では、取付金具２，３゜４によ
って予熱剤５を強固に保持して、その破損を防ぐことが
できると共に、アルカリ金属６の燃焼時に、取付金具２
．４が消失して、酸化剤を抵抗なくアルカリ金属６に供
給し、燃焼を円滑に行なわせることができる。As described above, in this embodiment, the preheating agent 5 can be firmly held by the mounting brackets 2 and 3゜4, and damage to the preheating agent 5 can be prevented.
．． 4 disappears, the oxidizing agent can be supplied to the alkali metal 6 without resistance, and combustion can be carried out smoothly.
本発明は、水中航走体におけるように、姿勢変化、振動
、衝撃を激しく受ける場合においても、金属燃焼器の予
熱剤を安全に保持することができると共に、金属燃料の
燃焼を円滑に行なうことができる。The present invention is capable of safely retaining a preheating agent in a metal combustor and smoothly burning metal fuel even when subjected to severe attitude changes, vibrations, and shocks, such as in an underwater vehicle. I can do it.
第１図は本発明の一実施例の縦断面図、第２図は同実施
例の取付金具と予熱剤との取付関係を示す説明図、第３
図は従来の金属燃焼器の縦断面図である。
１・・・燃焼器本体、 ２，３．４・・・■火付金
具、５・・・予熱剤、 ６・・・アルカリ金属
、６′・・・アルカリ金属の穴、７・・・筒リング、８
、ｔｏ・・・筒フランジ、 ９・・・酸化剤噴射ノズル
。
特許比・願人
防衛庁技術研究本部長
１井良三FIG. 1 is a longitudinal cross-sectional view of one embodiment of the present invention, FIG. 2 is an explanatory diagram showing the attachment relationship between the mounting bracket and the preheating agent of the same embodiment, and FIG.
The figure is a longitudinal sectional view of a conventional metal combustor. 1... Burner body, 2, 3.4... ■ Lighting fitting, 5... Preheating agent, 6... Alkali metal, 6'... Alkali metal hole, 7... Cylinder ring, 8
, to... cylinder flange, 9... oxidizer injection nozzle. Patent Ratio/Applicant Ryozo I, Director of Technology Research Headquarters, Defense Agency
Claims (1)
酸化剤によって酸化燃焼させる金属燃焼器において、ア
ルカリ金属の燃料内に配置された予熱剤を、上記アルカ
リ金属と反応すると共に上記酸化剤によって燃焼する金
属材料から成る、酸化剤の噴射ノズルを設けた燃焼器端
の壁部へ取付けられた固定材によって固定したことを特
徴とする金属燃焼器。In a metal combustor that oxidizes and burns an alkali metal as a fuel with an oxidant injected from an injection nozzle, a preheating agent placed in the alkali metal fuel is reacted with the alkali metal and the metal is combusted by the oxidant. What is claimed is: 1. A metal combustor, characterized in that the metal combustor is fixed by a fixing member attached to a wall at the end of the combustor and provided with an oxidizer injection nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1132888A JPH0663720B2 (en) | 1989-05-29 | 1989-05-29 | Metal combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1132888A JPH0663720B2 (en) | 1989-05-29 | 1989-05-29 | Metal combustor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH031100A true JPH031100A (en) | 1991-01-07 |
| JPH0663720B2 JPH0663720B2 (en) | 1994-08-22 |
Family
ID=15091899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1132888A Expired - Lifetime JPH0663720B2 (en) | 1989-05-29 | 1989-05-29 | Metal combustor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0663720B2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62276399A (en) * | 1986-05-23 | 1987-12-01 | 三菱重工業株式会社 | Heat generating agent for starting |
-
1989
- 1989-05-29 JP JP1132888A patent/JPH0663720B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62276399A (en) * | 1986-05-23 | 1987-12-01 | 三菱重工業株式会社 | Heat generating agent for starting |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0663720B2 (en) | 1994-08-22 |
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