JP2005248244A - Hydrogen-oxygen gaseous mixture generator - Google Patents
Hydrogen-oxygen gaseous mixture generator Download PDFInfo
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- JP2005248244A JP2005248244A JP2004059514A JP2004059514A JP2005248244A JP 2005248244 A JP2005248244 A JP 2005248244A JP 2004059514 A JP2004059514 A JP 2004059514A JP 2004059514 A JP2004059514 A JP 2004059514A JP 2005248244 A JP2005248244 A JP 2005248244A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Abstract
Description
本発明は、水素・酸素混合ガス発生装置に関するものである。 The present invention relates to a hydrogen / oxygen mixed gas generator.
一般に電気分解により発生した水素・酸素混合ガスは、作業現場で必要量をその都度生成でき、装置も安価で、生成コストも安い利点があることから、金属の溶断や、加熱、ロウ付けなどの熱源として利用されている。従来の水素・酸素混合ガス発生装置は、プラス極とマイナス極の複数の平板状電極を角筒状のケーシング内に交互に配置した構造のものが使用されている（例えば特許文献１）。 In general, the hydrogen / oxygen mixed gas generated by electrolysis can be produced at the work site each time, and the equipment is inexpensive and the production cost is low, so it can be used for metal fusing, heating, brazing, etc. It is used as a heat source. A conventional hydrogen / oxygen mixed gas generator has a structure in which a plurality of flat and negative electrodes are alternately arranged in a rectangular casing (for example, Patent Document 1).
しかしながらこの平板状電極を角筒状のケーシング内に交互に配置する構造では、電解槽の設置面積が大きく装置が大型化すると共に、薄い平板状電極が取扱時に変形し易く、組込んだ時にショートなど電気的なトラブルが発生する恐れがある。またケーシングが角筒状となるため、電解液の濃度が不均一になり易く、また電解時に高温になることから角筒状のケーシングでは均一に冷却することができないなどの問題があった。
本発明は上記問題を改善し、装置を小型化し、電極板の強度を向上させ電気的なトラブルを防止すると共に、電解液の濃度の均一化と、冷却効率を向上させた水素・酸素混合ガス発生装置を提供するものである。 The present invention improves the above problems, downsizes the apparatus, improves the strength of the electrode plate to prevent electrical trouble, and makes the concentration of the electrolyte uniform and improves the cooling efficiency. A generator is provided.
本発明の請求項１記載の水素・酸素混合ガス発生装置は、複数の円筒形電極板を間隔をおいて同心円状に配置した上部電極を、複数の円筒形電極板を間隔をおいて同心円状に配置した下部電極に、上下の円筒形電極板が隙間を設けて対向するように挿着して、円筒状のケーシング内に収納して電解槽を形成し、この電解槽を箱状の本体ケース内に収納すると共に、電解槽の上部に形成したガス排出口にコイル状のガス冷却管を接続し、このガス冷却管に対向して本体ケースの一方の壁面に冷却ファンを取付けると共に、本体ケースの他方の壁面に排気口を設けたことを特徴とするものである。 In the hydrogen / oxygen mixed gas generator according to claim 1 of the present invention, an upper electrode in which a plurality of cylindrical electrode plates are arranged concentrically at intervals is provided, and an upper electrode in which a plurality of cylindrical electrode plates are arranged in concentric shapes at intervals. The upper and lower cylindrical electrode plates are inserted so as to face each other with a gap between them, and accommodated in a cylindrical casing to form an electrolytic cell. This electrolytic cell is formed into a box-shaped main body. While being housed in the case, a coiled gas cooling pipe is connected to the gas discharge port formed in the upper part of the electrolytic cell, and a cooling fan is attached to one wall surface of the main body case so as to face the gas cooling pipe. An exhaust port is provided on the other wall surface of the case.
本発明の請求項２記載の水素・酸素混合ガス発生装置は、上部電極と下部電極の円筒形電極板に上下方向にそれぞれスリットを形成し、前記スリットは上部電極と下部電極で、円筒面の異なる位置に形成されていることを特徴とするものである。 In the hydrogen / oxygen mixed gas generator according to claim 2 of the present invention, slits are respectively formed in the vertical direction on the cylindrical electrode plates of the upper electrode and the lower electrode, and the slits are formed on the cylindrical surface of the upper electrode and the lower electrode. It is characterized by being formed at different positions.
本発明に係る請求項１記載の水素・酸素混合ガス発生装置によれば、上部電極と下部電極は、直径がそれぞれ異なる複数の円筒形電極板を同心円状に配置したので強度が高く、取扱時の変形を防止することができる。この上下の円筒形電極板を、円筒状のケーシング内で組み合わせて、円筒形の複数の電解槽が同心円状に多数形成された状態となるので、小型の装置で効率よく電気分解して水素・酸素混合ガスを発生させることができる。 According to the hydrogen / oxygen mixed gas generating apparatus of the first aspect of the present invention, the upper electrode and the lower electrode have a high strength because a plurality of cylindrical electrode plates having different diameters are arranged concentrically and are handled. Can be prevented from being deformed. The upper and lower cylindrical electrode plates are combined in a cylindrical casing, and a large number of cylindrical electrolytic cells are formed concentrically. An oxygen mixed gas can be generated.
電解槽で生成された水素・酸素混合ガスはコイル状ガス冷却管に送られ、ここで冷却ファンから取り入れた外気によって効率よく冷却され、更に円筒状に形成されている電解槽のケーシングの表面に沿って外気が流れて、効率よく冷却することができる。 The hydrogen / oxygen mixed gas generated in the electrolytic cell is sent to a coiled gas cooling pipe, where it is efficiently cooled by the outside air taken in from the cooling fan, and further on the surface of the electrolytic cell casing formed in a cylindrical shape. Outside air flows along, and it can cool efficiently.
また請求項２記載の水素・酸素混合ガス発生装置によれば、上部電極と下部電極の各円筒形電極板には上下方向にスリットがそれぞれ開口され、その形成方向が、円筒面の異なる位置になっているので、内部の電解液は渦巻状に移動し、濃度を均一化して電解効率を向上させると共に、電解液の劣化を防止することができる。 According to the hydrogen / oxygen mixed gas generator of claim 2, the cylindrical electrode plates of the upper electrode and the lower electrode are respectively provided with slits in the vertical direction, and the forming directions thereof are at different positions on the cylindrical surface. Therefore, the electrolytic solution inside moves in a spiral shape, and the concentration can be made uniform to improve electrolytic efficiency, and deterioration of the electrolytic solution can be prevented.
小型で冷却性能を向上させた水素・酸素混合ガス発生装置を実現した。 A compact hydrogen / oxygen mixed gas generator with improved cooling performance has been realized.
以下本発明の実施例を図１ないし図８を参照して詳細に説明する。図１および図２は水素・酸素混合ガス発生装置の構成を示すもので、１は電解槽、２はトランス、３はこの上部に設けられた銅管製のコイル状ガス冷却管、４は混合ガス集合タンク、５はこれらを収納する箱状の本体ケースで、６は本体ケース５に取付けられた冷却ファンである。 Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS. 1 and 2 show the configuration of a hydrogen / oxygen mixed gas generator, where 1 is an electrolytic cell, 2 is a transformer, 3 is a coiled gas cooling tube made of copper pipe provided on the upper part, and 4 is a mixing device. The gas collecting tank 5 is a box-shaped main body case for storing them, and 6 is a cooling fan attached to the main body case 5.
前記電解槽１は、図３に示すように上部電極８と下部電極９を組合せて構成されている。上部電極８は図４および図５に示すように、長方形の基板１０の底面に直径がそれぞれ異なる複数の円筒形電極板１１を間隔をおいて同心円状に配置した構成をなしている。また各円筒形電極板１１の同一方向の側面には上下方向にスリット１２がそれぞれ開口されている。 The electrolytic cell 1 is configured by combining an upper electrode 8 and a lower electrode 9 as shown in FIG. As shown in FIGS. 4 and 5, the upper electrode 8 has a configuration in which a plurality of cylindrical electrode plates 11 having different diameters are arranged concentrically at intervals on the bottom surface of a rectangular substrate 10. Further, slits 12 are opened in the vertical direction on the side surfaces of the cylindrical electrode plates 11 in the same direction.
下部電極９は図６および図７に示すように、長方形の基板１３の上面に、直径がそれぞれ異なる複数の円筒形電極板１４を間隔をおいて同心円状に配置した構成をなしている。また各円筒形電極板１４の同一方向の側面には上下方向にスリット１２がそれぞれ開口されている。更に同心円状に配置した円筒形電極板１４の外側には、これを囲むように円筒状のケーシング１６が取付けられている。 As shown in FIGS. 6 and 7, the lower electrode 9 has a configuration in which a plurality of cylindrical electrode plates 14 having different diameters are arranged concentrically on the upper surface of a rectangular substrate 13 at intervals. Further, slits 12 are opened in the vertical direction on the side surfaces of the cylindrical electrode plates 14 in the same direction. Further, a cylindrical casing 16 is attached to the outside of the cylindrical electrode plate 14 arranged concentrically so as to surround the cylindrical electrode plate 14.
上部電極８の基板１０の底面には、図３に示すように外側の円筒形電極板１１を囲むように絶縁パッキン１８が取付けられ、複数の円筒形電極板１４を同心円状に配置した下部電極９に、上下の円筒形電極板１１、１４が隙間を設けて対向するように上部電極８を挿着して組合せ、円筒状のケーシング１６内に収納して電解槽１を形成する。また下部電極９の基板１３の底面には絶縁マット１９が取付けられている。この基板１３と上部電極８の基板１０は連結ボルト２０で連結されている。 As shown in FIG. 3, an insulating packing 18 is attached to the bottom surface of the substrate 10 of the upper electrode 8 so as to surround the outer cylindrical electrode plate 11, and a plurality of cylindrical electrode plates 14 are arranged concentrically. 9, the upper electrode 8 is inserted and combined so that the upper and lower cylindrical electrode plates 11, 14 are opposed to each other with a gap therebetween, and housed in a cylindrical casing 16 to form the electrolytic cell 1. An insulating mat 19 is attached to the bottom surface of the substrate 13 of the lower electrode 9. The substrate 13 and the substrate 10 of the upper electrode 8 are connected by a connecting bolt 20.
また基板１０の上面中央にはパイプ２１が突設され、この先端に図８に示すように防爆弁２２が取付けられている。この防爆弁２２は弁本体２３の内側上下に凹部２４、２４が形成され、下側の凹部２４に前記パイプ２１の先端が挿着されている。また上側の凹部２４には、バネ内蔵ゴム弁２６を底部に取付けたねじ２７が螺合し、この横にガス抜き孔２５が形成されている。 Further, a pipe 21 projects from the center of the upper surface of the substrate 10, and an explosion-proof valve 22 is attached to this tip as shown in FIG. The explosion-proof valve 22 has recesses 24, 24 formed on the upper and lower sides of a valve body 23, and the tip of the pipe 21 is inserted into the lower recess 24. In addition, a screw 27 having a spring built-in rubber valve 26 attached to the bottom is screwed into the upper concave portion 24, and a gas vent hole 25 is formed on the side thereof.
また図１に示すように、電解槽１の円筒状のケーシング１６の上部にはガス排出口２９が形成され、ここにホース３０を介して銅管製のコイル状ガス冷却管３の上部が連結されている。更にコイル状ガス冷却管３の下部は水素・酸素混合ガス発生装置を介して混合ガス集合タンク４に接続され、ここからホース３０で水素・酸素混合ガスが外部に排出されるようになっている。 As shown in FIG. 1, a gas discharge port 29 is formed in the upper part of the cylindrical casing 16 of the electrolytic cell 1, and the upper part of the coiled gas cooling pipe 3 made of copper pipe is connected to this through a hose 30. Has been. Further, the lower part of the coiled gas cooling pipe 3 is connected to the mixed gas collecting tank 4 through a hydrogen / oxygen mixed gas generator, and the hydrogen / oxygen mixed gas is discharged from the hose 30 to the outside. .
また本体ケース５の一方の壁面には、前記コイル状ガス冷却管３に対向して上下２個の冷却ファン６、６が取付けられ、また本体ケース５の他方の壁面には排気口７が形成されている。 Two cooling fans 6, 6 are attached to one wall surface of the main body case 5 so as to face the coiled gas cooling pipe 3, and an exhaust port 7 is formed on the other wall surface of the main body case 5. Has been.
上記構成の水素・酸素混合ガス発生装置は、電解槽１内に水酸化カリウムや水酸化ナトリウムなどの電解液３１を入れて、トランス２から、上部電極８と下部電極９に通電すると、電気分解が行なわれて水素ガスと酸素ガスが円筒形電極板１１、１４の表面で発生する。電解槽１内では上部電極８の円筒形電極板１１と下部電極９の円筒形電極板１４が間隔をおいて組み合わされているので、この間に円筒形の複数の電解槽が同心円状に多数形成された状態となり、従来の平板状電極を角筒状のケーシング内に交互に配置した構造のものに比べて、小型の装置で効率よく電気分解することができる。 The hydrogen / oxygen mixed gas generator having the above-described structure is electrolyzed when an electrolytic solution 31 such as potassium hydroxide or sodium hydroxide is placed in the electrolytic cell 1 and the upper electrode 8 and the lower electrode 9 are energized from the transformer 2. And hydrogen gas and oxygen gas are generated on the surfaces of the cylindrical electrode plates 11 and 14. In the electrolytic cell 1, the cylindrical electrode plate 11 of the upper electrode 8 and the cylindrical electrode plate 14 of the lower electrode 9 are combined at an interval, so that a plurality of cylindrical electrolytic cells are formed concentrically between them. Compared to the conventional structure in which the flat plate electrodes are alternately arranged in the rectangular tube-shaped casing, the electrolysis can be efficiently performed with a small apparatus.
また上部電極８と下部電極９の各円筒形電極板１１、１４には上下方向にスリット１２がそれぞれ開口され、その形成方向が逆向きになっているので、内部の電解液３１は渦巻状に移動し、濃度を均一化して電解効率を向上させることができると共に、電解液の劣化を防止することができる。これに対して、従来の平板状電極を角筒状のケーシング内に交互に配置した構造では、コーナー部分で電解液３１が滞留して濃度が不均一となる。 In addition, since the cylindrical electrode plates 11 and 14 of the upper electrode 8 and the lower electrode 9 are respectively provided with slits 12 in the vertical direction and the forming directions thereof are reversed, the internal electrolyte 31 is spirally formed. It can move and make a density | concentration uniform and can improve electrolytic efficiency, and can prevent deterioration of electrolyte solution. On the other hand, in the structure in which the conventional flat electrodes are alternately arranged in the rectangular cylindrical casing, the electrolyte solution 31 stays at the corner portion and the concentration becomes non-uniform.
また従来の薄い平板状電極を基板に櫛歯状に取付けた電極では、取扱時に変形し易く、組込んだ時にショートなど電気的なトラブルが発生する恐れがあるが、本発明の上下電極８、９は、基板１０、１３に直径がそれぞれ異なる複数の円筒形電極板１１、１４を間隔をおいて同心円状に配置した構成をなしているので強度が高く、取扱時の変形を防止することができる。 In addition, the conventional electrode in which the thin flat electrode is attached to the substrate in a comb-like shape is likely to be deformed during handling and may cause electrical trouble such as a short circuit when assembled. 9 has a structure in which a plurality of cylindrical electrode plates 11 and 14 having different diameters are arranged concentrically at intervals on the substrates 10 and 13, so that the strength is high and deformation during handling can be prevented. it can.
電解槽１の上部に溜った水素・酸素混合ガスは、ガス排出口２９からホース３０を通ってコイル状ガス冷却管３に送られ、冷却ファン６から取り入れた外気によって効率よく冷却される。またトランス２も同時に冷却ファン６からの外気によって冷却される。またコイル状ガス冷却管３とトランス２を冷却した外気は、更に図２に示すように、電解槽１を冷却して排気口７から外部に排気される。 The hydrogen / oxygen mixed gas accumulated in the upper part of the electrolytic cell 1 is sent from the gas discharge port 29 through the hose 30 to the coiled gas cooling pipe 3 and is efficiently cooled by the outside air taken in from the cooling fan 6. The transformer 2 is also cooled by the outside air from the cooling fan 6 at the same time. Further, the outside air that has cooled the coiled gas cooling pipe 3 and the transformer 2 is further exhausted from the exhaust port 7 to the outside by cooling the electrolytic cell 1 as shown in FIG.
電解槽１のケーシング１６は図２に示すように円筒状に形成されているので、外気が本体ケース５内を通流する時にケーシング１６の表面に沿って流れ、従来の下流側の側壁が冷却しにくい箱形の電解槽１に比べて効率よく冷却することができる。 Since the casing 16 of the electrolytic cell 1 is formed in a cylindrical shape as shown in FIG. 2, the outside air flows along the surface of the casing 16 when flowing through the main body case 5, and the conventional downstream side wall is cooled. Compared with the box-shaped electrolytic cell 1 which is difficult to perform, it can be efficiently cooled.
コイル状ガス冷却管３で冷却された水素・酸素混合ガスは、更にホース３０で混合ガス集合タンク４に送られて、ここに一時的に貯められてから、ホース３０を介してトーチやバーナーに送られて燃焼する。 The hydrogen / oxygen mixed gas cooled by the coiled gas cooling pipe 3 is further sent to the mixed gas collecting tank 4 by the hose 30 and temporarily stored therein, and then to the torch or burner via the hose 30. Sent and burned.
また電解槽１内のガス圧が所定の圧力より高くなると、図８に示すように防爆弁２２が開放して、内圧を低くすることができる。この場合、ガス圧が上昇するとバネ内蔵ゴム弁２６が上方に押し縮められて、ガス抜き孔２５が開口し、ここからガスが排出されて、内圧が下がると、バネ内蔵ゴム弁２６が膨張してガス抜き孔２５を塞ぐようになっているので、安全性にも優れている。 Further, when the gas pressure in the electrolytic cell 1 becomes higher than a predetermined pressure, the explosion-proof valve 22 is opened as shown in FIG. 8, and the internal pressure can be lowered. In this case, when the gas pressure increases, the spring built-in rubber valve 26 is compressed upward and the gas vent hole 25 is opened. When the gas is discharged and the internal pressure decreases, the spring built-in rubber valve 26 expands. Since the vent hole 25 is closed, the safety is excellent.
１ 電解槽
２ トランス
３ コイル状ガス冷却管
４ 混合ガス集合タンク
５ 本体ケース
６ 冷却ファン
７ 排気口
８ 上部電極
９ 下部電極
１０ 基板
１１ 円筒形電極板
１２ スリット
１３ 基板
１４ 円筒形電極板
１６ 円筒状のケーシング
２２ 防爆弁
２５ ガス抜き孔
２６ バネ内蔵ゴム弁
２９ ガス排出口
３０ ホース
３１ 電解液
1 Electrolysis tank
2 transformer
3 Coiled gas cooling pipe
4 Mixed gas collecting tank
5 Body case
6 Cooling fan
7 Exhaust port
8 Upper electrode
9 Lower electrode
10 Substrate
11 Cylindrical electrode plate
12 Slit
13 Substrate
14 Cylindrical electrode plate
16 Cylindrical casing
22 Explosion-proof valve
25 Gas vent hole
26 Rubber valve with built-in spring
29 Gas outlet
30 hose
31 Electrolyte
Claims (2)
2. The upper electrode and the lower electrode are respectively formed with slits in the vertical direction on the cylindrical electrode plates, and the slits are formed at different positions on the cylindrical surface between the upper electrode and the lower electrode. Hydrogen / oxygen mixed gas generator.
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| JP2004059514A JP2005248244A (en) | 2004-03-03 | 2004-03-03 | Hydrogen-oxygen gaseous mixture generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004059514A JP2005248244A (en) | 2004-03-03 | 2004-03-03 | Hydrogen-oxygen gaseous mixture generator |
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| JP2005248244A true JP2005248244A (en) | 2005-09-15 |
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| JP2010133027A (en) * | 2008-12-05 | 2010-06-17 | Boo-Sung Hwang | Hydrogen-oxygen mixture generating system |
| CN102965687A (en) * | 2012-12-18 | 2013-03-13 | 北京中气华辰新能源技术开发有限公司 | Device for producing hydrogen and oxygen by electrolyzing water |
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| CN114438520A (en) * | 2022-02-28 | 2022-05-06 | 广西博世科环保科技股份有限公司 | High-efficient durable type sodium hypochlorite electrolytic device |
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| WO2010048533A2 (en) * | 2008-10-24 | 2010-04-29 | Convert To Hydro, Llc | Dual cylinder hydrogen generator system |
| WO2010048533A3 (en) * | 2008-10-24 | 2010-08-05 | Convert To Hydro, Llc | Dual cylinder hydrogen generator system |
| JP2010133027A (en) * | 2008-12-05 | 2010-06-17 | Boo-Sung Hwang | Hydrogen-oxygen mixture generating system |
| JP2014025735A (en) * | 2012-07-25 | 2014-02-06 | Aisan Ind Co Ltd | Sensor device |
| CN102965687A (en) * | 2012-12-18 | 2013-03-13 | 北京中气华辰新能源技术开发有限公司 | Device for producing hydrogen and oxygen by electrolyzing water |
| EP4183896A1 (en) * | 2021-11-18 | 2023-05-24 | Industrie De Nora S.P.A. | Electrolysis unit for obtaining gaseous products |
| WO2023089024A1 (en) * | 2021-11-18 | 2023-05-25 | Industrie De Nora S.P.A. | Electrolysis unit for obtaining gaseous products |
| CN114438520A (en) * | 2022-02-28 | 2022-05-06 | 广西博世科环保科技股份有限公司 | High-efficient durable type sodium hypochlorite electrolytic device |
| CN114438520B (en) * | 2022-02-28 | 2024-02-13 | 广西博世科环保科技股份有限公司 | High-efficient durable formula sodium hypochlorite electrolytic device |
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