WO2014168024A1 - Electrolytic vessel for use in production of aqueous hypochlorous acid - Google Patents
Electrolytic vessel for use in production of aqueous hypochlorous acid Download PDFInfo
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- WO2014168024A1 WO2014168024A1 PCT/JP2014/059113 JP2014059113W WO2014168024A1 WO 2014168024 A1 WO2014168024 A1 WO 2014168024A1 JP 2014059113 W JP2014059113 W JP 2014059113W WO 2014168024 A1 WO2014168024 A1 WO 2014168024A1
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- water
- chlorine gas
- casing
- electrolytic cell
- electrolytic
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
- B01F23/2323—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
- B01F25/53—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle in which the mixture is discharged from and reintroduced into a receptacle through a recirculation tube, into which an additional component is introduced
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/24—Halogens or compounds thereof
- C25B1/26—Chlorine; Compounds thereof
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
Definitions
- the present invention relates to an electrolytic cell for producing hypochlorous acid water.
- the inventor of the present application connected a dilute hydrochloric acid water pipe c to an electrolytic cell b in which no diaphragm exists between the dilute hydrochloric acid tank a and the negative and positive electrodes as shown in FIG.
- a circulation pipe e is provided to return water into the storage tank d by flowing and circulating water from the storage tank d, and the mixing point A of the circulation pipe e and the electrolytic cell b are connected by the mixing pipe f.
- the chlorine gas from the electrolytic cell b is mixed into the water in the circulation line e through the mixing line f, and the water in the storage tank d is circulated through the circulation line e.
- concentration is proposed (refer patent document 1).
- g is a dilute hydrochloric acid pump interposed in the dilute hydrochloric acid water supply pipe c
- h is a circulation pump interposed in the circulation pipe e
- i is a hypochlorous acid water discharge port provided in the storage tank d.
- the hypochlorous acid water generator in the operation of the hypochlorous acid water generator, from the viewpoint of ensuring safety, the chlorine gas generated from the electrolytic cell for electrolyzing the diluted hydrochloric acid water and the pipes to be connected is not leaked to the outside.
- the efficiency of electrolysis in the gas reservoir portion is reduced, and directly on the electrode plate It is to prevent the electrode plate from being worn by the chlorine gas that is touched for a long time and to shorten the life as much as possible, and to ensure safety and economy.
- the inventors of the present application have improved the hypochlorous acid water generation apparatus as a result of various experimental studies, and the chlorine gas having a high concentration of 10,000 ppm to 20,000 ppm generated in the electrolytic cell b is the mixed pipe.
- the mixing line f, the seam between the electrolytic cell b and the mixing line f, and the seam between the mixing line f and the circulation line e are completely exposed to the outside.
- the inventors of the present application determined that the chlorine gas and hydrogen gas generated by decomposing hydrochloric acid in the electrolytic cell b depend on the voltage and current applied to the electrolytic cell b and the concentration of dilute hydrochloric acid to be fed. Although it fluctuates, it accumulates in the upper electrode plate space part of the electrolytic chamber inside the electrolytic cell b corresponding to about 5% to 15% of the electrode plate area of the electrolytic cell b, covers the upper part of the electrode plate, At the same time, the durability of the electrode plate at that part was reduced, and the life of the electrolytic cell was found to be shortened, and the generator of hypochlorous acid water was improved to improve the efficiency and life of the electrolytic cell. It has been necessary to increase the cost and improve the economic efficiency.
- the present invention completely prevents the leakage of chlorine gas generated inside the electrolytic cell to the outside, ensures safety, rusts of metals in the generation device, and the vicinity of the installation location of the generation device.
- An object of the present invention is to provide an economical electrolytic cell that prevents the rust of metals in the equipment, increases the efficiency of the electrolytic cell, and has a long life due to stable operation.
- the electrolytic cell for producing hypochlorous acid water of the present invention is made of a resin, preferably a vinyl chloride casing having a thickness sufficient to prevent chlorine gas from leaking, and dilute hydrochloric acid.
- a resin preferably a vinyl chloride casing having a thickness sufficient to prevent chlorine gas from leaking, and dilute hydrochloric acid.
- Forming an electrolysis chamber having both positive and negative electrodes for supplying chlorine gas and forming a water supply passage for circulating water passing through the casing, and flowing the chlorine gas generated in the electrolysis chamber through the water supply passage Developed an electrolytic cell that integrates a part where chlorine gas is directly mixed into the water supply passage and an electrolytic cell that performs electrolysis so that the chlorine gas is sufficiently dissolved in the water supply passage. did.
- the hydrogen gas and chlorine gas generated by electrolysis are not directly accumulated on the electrode plate portion of the electrolysis chamber inside the electrolytic cell in which the chlorine gas mixing portion and the electrolysis chamber are integrated.
- An electrolytic cell provided with a gas reservoir in which a gas reservoir portion of 5% or more, preferably 15% or more of the total area of the electrode plate is provided in a portion located at a position, and gas is prevented from collecting in a portion in contact with the electrode plate. developed.
- the present invention it is possible to prevent the chlorine gas generated in the electrolytic cell from leaking to the outside. As a result, it is possible to prevent rusting of the metals in the generator and in the vicinity of the installation location of the generator. It is possible to provide a long-term stable and safe electrolytic cell by eliminating damage and further reducing the influence of chlorine gas on the electrode plate by providing a gas reservoir in the upper part of the electrolytic chamber in the electrolytic cell. .
- Example 1 of an electrolytic cell for producing hypochlorous acid water according to the present invention will be described with reference to FIGS.
- 1 represents an electrolytic cell
- 2 represents a casing of the electrolytic cell 1
- the casing 2 is made of a resin such as a rectangular vinyl chloride having a length and width of 8 cm ⁇ 12 cm and a thickness of 6 cm, for example,
- a cylindrical electrolysis chamber 3 having a diameter of 6 cm and a width of 1 cm, for example, is formed in the center of the casing 2, and a gas reservoir chamber 4 communicating with the electrolysis chamber 3 is formed in the upper portion of the casing 2.
- the thickness of the resin casing 2 is designed to prevent chlorine gas from leaking from the electrolysis chamber 3, a gas reservoir chamber 4 to be described later, and a passage through which chlorine gas flows.
- a location where chlorine gas flows such as a mixing passage 7 described later, a joint between the electrolytic cell 1 and the mixing passage 7, a joint between the mixing passage 7 and a water feeding passage 6 described later, and the outer surface of the casing.
- the thickness of the casing 2 is designed so that the distance is 1 cm or more, for example, and the chlorine gas is completely dissolved in the circulating water in the water supply passage 6 from the water supply passage 6 to the outside of the casing.
- the thickness of the casing 2 is designed so that chlorine gas does not leak out.
- the gas reservoir 4 is formed in a space having a volume corresponding to about 5% or more, preferably 15% or more of the electrode plate area.
- Reference numerals 5a and 5b denote an anode plate and a cathode plate, respectively.
- the anode plate 5a and the cathode plate 5b are formed in a disc shape having the same shape as the side surface of the electrolysis chamber 3, and the side surfaces 3a of the electrolysis chamber 3 facing each other. 3b, and there is no diaphragm between the anode plate 5a and the cathode plate 5b.
- the shapes of the anode plate 5a and the cathode plate 5b are circular, but may be other shapes such as a rhombus.
- the water supply passage 6 indicates a water supply passage, and the water supply passage 6 has a diameter of about 1 cm, is provided through the upper portion of the casing 2 and is interposed in a circulation pipe 15 described later.
- Reference numeral 7 denotes a mixing passage.
- the mixing passage 7 is formed in the casing 2, and one end portion thereof communicates with the gas reservoir chamber 4, and the other end portion is a mixing portion in an intermediate portion of the water supply passage 6.
- a chlorine gas generated in the electrolysis chamber 3 in communication with A was mixed into the water flowing in the water supply passage 6 via the mixing passage 7 to generate hypochlorous acid water.
- 8a and 8b indicate power terminals
- 9 indicates a dedicated electrolytic solution inflow chamber formed in the lower part of the casing 2 and communicated under the electrolytic chamber 3
- 10 indicates a dedicated electrolytic solution passage.
- Reference numeral 11 denotes a dilute hydrochloric acid tank.
- a water supply pipe 12 is connected between the dilute hydrochloric acid tank 11 and the electrolysis liquid passage 10 of the electrolytic cell 1, and a dilute hydrochloric acid pump 13 is interposed in the water supply pipe 12.
- the dilute hydrochloric acid pump 11 is driven to supply dilute hydrochloric acid in the dilute hydrochloric acid tank 11 to the electrolytic cell 1.
- Reference numeral 14 denotes a storage tank
- 15 denotes a circulation pipe.
- the inflow pipe 15a and the outflow pipe 15b of the circulation pipe 15 are connected to the storage tank 14 and are circulated in the middle of the circulation pipe 15.
- the pump 16 and driving the circulation pump 16 the water in the storage tank 14 flows in from the inflow pipe portion 15a and flows in the circulation pipe 15 and from the outflow pipe 15b to the storage tank 14.
- the water or hypochlorous acid water was circulated in the circulation line 15.
- water supply passage 6 of the electrolytic cell 1 is interposed in the circulation pipe 15 so that the water in the circulation pipe 15 also flows in the water supply passage 6.
- Reference numeral 17 denotes a hypochlorous acid water discharge pipe provided in the storage tank 14.
- the storage tank 14 has a discharge port (not shown) for discharging the hydrogen gas generated in the electrolytic cell 1 to the outside.
- the dilute hydrochloric acid pump 13 is driven to supply dilute hydrochloric acid in the dilute hydrochloric acid tank 11 into the electrolytic cell 1.
- the negative and positive electrodes 5a and 5b immersed in dilute hydrochloric acid are energized to electrolyze the dilute hydrochloric acid and generate chlorine gas.
- the circulation pump 16 is driven to circulate and flow the water in the storage tank 14 through the circulation pipe 15 and the water supply passage 6.
- the chlorine gas from the electrolytic cell 1 flows through the mixing passage 7 from the gas reservoir 4 and is mixed into the water flowing in the water supply passage 6 at the mixing point A to generate hypochlorous acid water, thereby generating the circulation pipe. It is stored in the storage tank 14 via the path 15.
- hypochlorous acid water has a low concentration, but the hypochlorous acid water is repeatedly circulated in the circulation pipe 15 and mixed with chlorine gas, so that the concentration of hypochlorous acid gradually increases. It becomes acid water. The operation is continued until the hypochlorous acid water in the storage tank 14 has a desired concentration.
- the present invention most of the chlorine gas from the electrolytic cell 1 dissolves in the water while flowing in the water supply passage 6, so that the chlorine gas does not leak from the circulation line 15, and Even if chlorine gas not dissolved in the water in the water supply passage 6 exists, the water supply passage 6 is surrounded by the casing 2, so that chlorine gas does not leak from the water supply passage 6 to the outside of the casing. . Further, chlorine gas does not leak to the outside from the mixing passage 7, the joint between the electrolytic cell 1 and the mixing passage 7, the joint between the mixing passage 7 and the water supply passage 6, etc. There is no risk of leaking outside.
- the apparatus can be miniaturized.
- the chlorine gas generated in the electrolytic cell 1 is stored in the gas storage chamber 4 on the electrolysis chamber 3, so that both electrodes are not covered with the chlorine gas.
- the effect on the plate is eliminated, and a long-term stable electrolytic cell can be obtained.
- the electrolyzer for producing hypochlorous acid water of the present invention is used in homes, food factories, poultry farms, milking farms, farms, medical and nursing facilities, restaurants, etc., its safety, stability, economy Emphasis on sex.
- Electrolysis tank 2 Casing 3 Electrolysis chamber 4 Gas reservoir chamber 5a Anode plate 5b Cathode plate 6 Water supply passage 7 Mixing passage 8a Power supply terminal 8b Power supply terminal 9 Electrolytic exclusive liquid inflow chamber 10 Electrolytic exclusive liquid passage 11 Dilute hydrochloric acid tank 12 Water supply pipe 13 Dilute hydrochloric acid Pump 14 Storage tank 15 Circulation line 15a Inflow pipe section 15b Outflow pipe section 16 Circulation pump 17 Discharge pipe
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
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Abstract
[Problem] To provide an electrolytic vessel for use in the production of aqueous hypochlorous acid, which does not undergo the leakage of a chlorine gas, is stable for a long period and has good efficiency.
[Solution] An electrolytic vessel (1) and a water-feeding passage (6) are formed in a casing (2) that has a sufficient thickness so as to absolutely prevent the leakage of a chlorine gas from the casing (2) and is made from vinyl chloride, wherein the electrolytic vessel (1) is provided with an electrolytic chamber (3) that is provided with a cathode and an anode both for generating a chlorine gas and a hydrogen gas upon the feeding of dilute hydrochloric acid to the electrolytic chamber (3) and a gas reservoir (4) arranged above electrode plates (5a, 5b) of the cathode and the anode, and the water-feeding passage (6) penetrates through the electrolytic vessel (1). The chlorine gas generated in the electrolytic chamber (3) is mixed with water that flows in the water-feeding passage (6) so that the chlorine gas can be dissolved satisfactorily to secure safety in the water-feeding passage (6). On the other hand, the hydrogen gas enters into the water-feeding passage (6) while keeping the gaseous form thereof, then returns to a storage tank (14) and is then diffused from an upper part of the storage tank (14) into air in the form of a hydrogen gas, because the hydrogen gas can be dissolved in water poorly.
Description
本発明は次亜塩素酸水の生成用電解槽に関する。
The present invention relates to an electrolytic cell for producing hypochlorous acid water.
本願発明者は、次亜塩素酸水の生成装置として、図４に示すように、希塩酸タンクａから陰陽両極間に隔膜が存在しない電解槽ｂに希塩酸送水管ｃを接続すると共に、水が貯留されている貯留タンクｄから水を流入循環して該貯留タンクｄ内に戻す循環管路ｅを設け、該循環管路ｅの混入箇所Ａと前記電解槽ｂとを混入管路ｆで連結し、該電解槽ｂからの塩素ガスを前記混入管路ｆを介して前記循環管路ｅ中の水に混入して、該貯留タンクｄ内の水を前記循環管路ｅを循環させることにより、所望の濃度の次亜塩素酸水を生成させるものを提案している（特許文献１参照。）。
As shown in FIG. 4, the inventor of the present application connected a dilute hydrochloric acid water pipe c to an electrolytic cell b in which no diaphragm exists between the dilute hydrochloric acid tank a and the negative and positive electrodes as shown in FIG. A circulation pipe e is provided to return water into the storage tank d by flowing and circulating water from the storage tank d, and the mixing point A of the circulation pipe e and the electrolytic cell b are connected by the mixing pipe f. The chlorine gas from the electrolytic cell b is mixed into the water in the circulation line e through the mixing line f, and the water in the storage tank d is circulated through the circulation line e. The thing which produces | generates the hypochlorous acid water of a desired density | concentration is proposed (refer patent document 1).
尚、図４において、ｇは前記希塩酸送水管ｃに介在した希塩酸ポンプ、ｈは前記循環管路ｅに介在した循環ポンプ、ｉは前記貯留タンクｄに設けた次亜塩素酸水の排出口を示す。
In FIG. 4, g is a dilute hydrochloric acid pump interposed in the dilute hydrochloric acid water supply pipe c, h is a circulation pump interposed in the circulation pipe e, and i is a hypochlorous acid water discharge port provided in the storage tank d. Show.
前記次亜塩素水酸生成装置の運転操作に際し、特に重要な点は次の２点があげられる。
In the operation of the hypochlorous acid generator, the following two points are particularly important.
即ち、次亜塩素酸水生成装置の運転操作に際し、安全性の確保の点から、その希塩酸水を電気分解する電解槽及び連結するパイプ類から発生する塩素ガスを一切外部に漏らさないようにすること、同時に、電解槽の内部の電解室の陰陽の電極板の間に発生する水素ガス及び塩素ガスが電解室の内部に溜まるとそのガス溜まりの部分の電解の効率を落とし、かつ、電極板に直接長時間触れる塩素ガスにより電極板の損耗をもたらし寿命を短縮することを可能なかぎり阻止することであり、安全性と経済性を確保する事である。
That is, in the operation of the hypochlorous acid water generator, from the viewpoint of ensuring safety, the chlorine gas generated from the electrolytic cell for electrolyzing the diluted hydrochloric acid water and the pipes to be connected is not leaked to the outside. At the same time, if hydrogen gas and chlorine gas generated between the negative and positive electrode plates in the electrolytic chamber inside the electrolytic cell accumulate in the electrolytic chamber, the efficiency of electrolysis in the gas reservoir portion is reduced, and directly on the electrode plate It is to prevent the electrode plate from being worn by the chlorine gas that is touched for a long time and to shorten the life as much as possible, and to ensure safety and economy.
そこで、本願発明者は、種々実験検討の結果、前記次亜塩素酸水の生成装置を改良し、前記電解槽ｂで生成した１０，０００ｐｐｍ～２０，０００ｐｐｍという高い濃度の塩素ガスが前記混入管路ｆから循環管路ｅまで流動中に、該混入管路ｆや、電解槽ｂと混入管路ｆとの継ぎ目及び該混入管路ｆと該循環管路ｅとの継ぎ目から外部に完全に漏れ出ないようにし、また、該循環管路ｅ中で、塩素ガスが循環する水に完全に溶け込むまでに、該循環管路ｅから外部に漏れ出ないようにして、該塩素ガスにより生成装置内部の金属類や、生成装置の設置場所付近の機器類の金属類のサビを防止するために、更には塩素ガス漏れによる健康被害を防止するために、密封性を確実にする付加的な工夫、装置を必要とした。
Therefore, the inventors of the present application have improved the hypochlorous acid water generation apparatus as a result of various experimental studies, and the chlorine gas having a high concentration of 10,000 ppm to 20,000 ppm generated in the electrolytic cell b is the mixed pipe. During the flow from the path f to the circulation line e, the mixing line f, the seam between the electrolytic cell b and the mixing line f, and the seam between the mixing line f and the circulation line e are completely exposed to the outside. In order to prevent leakage and to prevent leakage from the circulation pipe e to the outside until the chlorine gas completely dissolves in the circulating water in the circulation pipe e, Additional measures to ensure sealing performance to prevent rusting of internal metals and metal in equipment near the installation site of the generator, and also to prevent health damage due to leakage of chlorine gas Needed equipment.
また、本願発明者は、種々実験検討の結果、前記電解槽ｂ内で塩酸を分解して生成した塩素ガスと水素ガスが、電解槽ｂに通電する電圧、電流及び送入する希塩酸の濃度により変動するが、該電解槽ｂの電極板面積の約５％～１５％に相当する電解槽ｂの内部の電解室の上部電極板空間部分に溜まり、前記電極板の上部を覆い、電解効率を落とすと同時に、その部分の電極板の耐久性を落とし、電解槽の寿命を短くしている場合があることを見出し、前記次亜塩素酸水の生成装置を改良し、電解槽の効率と寿命を長くし、経済性を従来以上に上げることが必要であった。
Further, as a result of various experimental studies, the inventors of the present application determined that the chlorine gas and hydrogen gas generated by decomposing hydrochloric acid in the electrolytic cell b depend on the voltage and current applied to the electrolytic cell b and the concentration of dilute hydrochloric acid to be fed. Although it fluctuates, it accumulates in the upper electrode plate space part of the electrolytic chamber inside the electrolytic cell b corresponding to about 5% to 15% of the electrode plate area of the electrolytic cell b, covers the upper part of the electrode plate, At the same time, the durability of the electrode plate at that part was reduced, and the life of the electrolytic cell was found to be shortened, and the generator of hypochlorous acid water was improved to improve the efficiency and life of the electrolytic cell. It has been necessary to increase the cost and improve the economic efficiency.
以上より、本発明は、電解槽の内部で生成する塩素ガスの外部への漏れを完全に防止し、安全性を確保すると共に、生成装置内の金属類のサビ及び生成装置の設置場所近辺の機器類の金属類のサビを防止し、また、電解槽の効率を上げ、安定した稼働による寿命の長い、経済的な電解槽を提供することを目的とする。
As described above, the present invention completely prevents the leakage of chlorine gas generated inside the electrolytic cell to the outside, ensures safety, rusts of metals in the generation device, and the vicinity of the installation location of the generation device. An object of the present invention is to provide an economical electrolytic cell that prevents the rust of metals in the equipment, increases the efficiency of the electrolytic cell, and has a long life due to stable operation.
前記の目的を達成すべく、本発明の次亜塩素酸水の生成用電解槽は、塩素ガスが完全に漏れないだけの厚みをもった樹脂製、望ましくは塩化ビニール製のケーシング内に、希塩酸が供給され塩素ガスを発生する陰陽両電極を有する電解室を形成すると共に、該ケーシング内を貫通する循環水の送水通路を形成し、前記電解室で生成された塩素ガスを前記送水通路を流動する循環水内に直接混入させて前記塩素ガスを前記送水通路内で十分溶かすようにした、送水通路に塩素ガスを直接混入させる部位と電気分解をする電解槽とを一体とした電解槽を開発した。
In order to achieve the above-mentioned object, the electrolytic cell for producing hypochlorous acid water of the present invention is made of a resin, preferably a vinyl chloride casing having a thickness sufficient to prevent chlorine gas from leaking, and dilute hydrochloric acid. Forming an electrolysis chamber having both positive and negative electrodes for supplying chlorine gas and forming a water supply passage for circulating water passing through the casing, and flowing the chlorine gas generated in the electrolysis chamber through the water supply passage Developed an electrolytic cell that integrates a part where chlorine gas is directly mixed into the water supply passage and an electrolytic cell that performs electrolysis so that the chlorine gas is sufficiently dissolved in the water supply passage. did.
また、同時に、この塩素ガス混入部位と電解室とを一体とした電解槽の内部の電解室の電極板部位に電気分解により発生した水素ガス及び塩素ガスが直接溜まらないように、電極板の上に位置した部位に電極板の総面積の５％以上、望ましくは１５％以上のガス溜まり部分を設け、電極板に接した部位にガスが溜まらないようにした、ガス溜まりを設けた電解槽を開発した。
At the same time, the hydrogen gas and chlorine gas generated by electrolysis are not directly accumulated on the electrode plate portion of the electrolysis chamber inside the electrolytic cell in which the chlorine gas mixing portion and the electrolysis chamber are integrated. An electrolytic cell provided with a gas reservoir in which a gas reservoir portion of 5% or more, preferably 15% or more of the total area of the electrode plate is provided in a portion located at a position, and gas is prevented from collecting in a portion in contact with the electrode plate. developed.
本発明によれば、電解槽で生成した塩素ガスの外部への漏れを防止でき、その結果として、生成装置内及び生成装置の設置場所付近の機器類の金属類のサビを防止し、人的被害をなくし、さらに、電解槽内に電解室の上部にガス溜まりを設けたことによって塩素ガスの電極板への影響を少なくして、長期に安定した、安全な電解槽を提供することができる。
According to the present invention, it is possible to prevent the chlorine gas generated in the electrolytic cell from leaking to the outside. As a result, it is possible to prevent rusting of the metals in the generator and in the vicinity of the installation location of the generator. It is possible to provide a long-term stable and safe electrolytic cell by eliminating damage and further reducing the influence of chlorine gas on the electrode plate by providing a gas reservoir in the upper part of the electrolytic chamber in the electrolytic cell. .
本発明を実施するための形態の実施例を以下に示す。
Examples of modes for carrying out the present invention are shown below.
本発明の次亜塩素酸水の生成用電解槽の実施例１を図１～図３により説明する。
Example 1 of an electrolytic cell for producing hypochlorous acid water according to the present invention will be described with reference to FIGS.
１は、電解槽を示し、２は、該電解槽１のケーシングを示し、該ケーシング２は、例えば、縦横８ｃｍ×１２ｃｍ、厚さ６ｃｍの矩形状の塩化ビニール製などの樹脂製であって、該ケーシング２内の中央に、例えば、直径６ｃｍ、幅１ｃｍの円筒状の電解室３を形成すると共に、該ケーシング２内の上部に前記電解室３上に連通したガス溜り室４を形成する。
1 represents an electrolytic cell, 2 represents a casing of the electrolytic cell 1, and the casing 2 is made of a resin such as a rectangular vinyl chloride having a length and width of 8 cm × 12 cm and a thickness of 6 cm, for example, A cylindrical electrolysis chamber 3 having a diameter of 6 cm and a width of 1 cm, for example, is formed in the center of the casing 2, and a gas reservoir chamber 4 communicating with the electrolysis chamber 3 is formed in the upper portion of the casing 2.
なお、前記樹脂製のケーシング２の厚さは、前記電解室３、後述するガス溜り室４及び塩素ガスが流動する通路から塩素ガスが外部に漏れない厚さに設計される。
The thickness of the resin casing 2 is designed to prevent chlorine gas from leaking from the electrolysis chamber 3, a gas reservoir chamber 4 to be described later, and a passage through which chlorine gas flows.
即ち、後述する混入通路７や、前記電解槽１と該混入通路７との継ぎ目や、該混入通路７と後述する送水通路６との継ぎ目などの塩素ガスが流動する箇所とケーシング外表面との距離が、例えば１ｃｍ以上となるように、前記ケーシング２の厚さが設計されると共に、前記送水通路６中で、塩素ガスが循環する水に完全に溶け込むまでに、該送水通路６からケーシング外部に塩素ガスが漏れ出ないように、前記ケーシング２の厚さが設計される。
That is, a location where chlorine gas flows, such as a mixing passage 7 described later, a joint between the electrolytic cell 1 and the mixing passage 7, a joint between the mixing passage 7 and a water feeding passage 6 described later, and the outer surface of the casing. The thickness of the casing 2 is designed so that the distance is 1 cm or more, for example, and the chlorine gas is completely dissolved in the circulating water in the water supply passage 6 from the water supply passage 6 to the outside of the casing. The thickness of the casing 2 is designed so that chlorine gas does not leak out.
なお、前記ガス溜り室４は、電極板面積の約５％以上、好ましくは１５％以上に相当する容積の空間に形成する。
The gas reservoir 4 is formed in a space having a volume corresponding to about 5% or more, preferably 15% or more of the electrode plate area.
５ａ、５ｂは、陽極板、陰極板を示し、該陽極板５ａと陰極板５ｂは、前記電解室３の側面と同形状の円板状に形成され、前記電解室３の互いに対向する側面３ａ、３ｂにそれぞれ設けられ、前記陽極板５ａと前記陰極板５ｂ間には、隔膜が存在しない。
Reference numerals 5a and 5b denote an anode plate and a cathode plate, respectively. The anode plate 5a and the cathode plate 5b are formed in a disc shape having the same shape as the side surface of the electrolysis chamber 3, and the side surfaces 3a of the electrolysis chamber 3 facing each other. 3b, and there is no diaphragm between the anode plate 5a and the cathode plate 5b.
なお、本実施例において、前記陽極板５ａ、陰極板５ｂの形状は円形であるが、円形以外の形状、例えば、ひし形等であってもよい。
In this embodiment, the shapes of the anode plate 5a and the cathode plate 5b are circular, but may be other shapes such as a rhombus.
６は、送水通路を示し、該送水通路６は、直径約１ｃｍで、前記ケーシング２内上部を貫通して設けられ、後述する循環管路１５に介在される。
6 indicates a water supply passage, and the water supply passage 6 has a diameter of about 1 cm, is provided through the upper portion of the casing 2 and is interposed in a circulation pipe 15 described later.
７は、混入通路を示し、該混入通路７は、前記ケーシング２内に形成され、その一端部は前記ガス溜り室４に連通すると共に、他端部は前記送水通路６の中間部の混入箇所Ａに連通し、前記電解室３内で生成した塩素ガスを、前記混入通路７を介して、前記送水通路６内を流動する水に混入し、次亜塩素酸水を生成するようにした。
Reference numeral 7 denotes a mixing passage. The mixing passage 7 is formed in the casing 2, and one end portion thereof communicates with the gas reservoir chamber 4, and the other end portion is a mixing portion in an intermediate portion of the water supply passage 6. A chlorine gas generated in the electrolysis chamber 3 in communication with A was mixed into the water flowing in the water supply passage 6 via the mixing passage 7 to generate hypochlorous acid water.
８ａ、８ｂは、電源端子を示し、９は、前記ケーシング２内の下部に、前記電解室３の下に連通して形成した電解専用液流入室、１０は、電解専用液用通路を示す。
8a and 8b indicate power terminals, 9 indicates a dedicated electrolytic solution inflow chamber formed in the lower part of the casing 2 and communicated under the electrolytic chamber 3, and 10 indicates a dedicated electrolytic solution passage.
また、１１は希塩酸タンクを示し、該希塩酸タンク１１と前記電解槽１の電解専用液通路１０との間に送水管１２が連結されていると共に該送水管１２に希塩酸ポンプ１３が介在されており、該希塩酸ポンプ１３の駆動により前記希塩酸タンク１１内の希塩酸を前記電解槽１に供給するようにした。
Reference numeral 11 denotes a dilute hydrochloric acid tank. A water supply pipe 12 is connected between the dilute hydrochloric acid tank 11 and the electrolysis liquid passage 10 of the electrolytic cell 1, and a dilute hydrochloric acid pump 13 is interposed in the water supply pipe 12. The dilute hydrochloric acid pump 11 is driven to supply dilute hydrochloric acid in the dilute hydrochloric acid tank 11 to the electrolytic cell 1.
また、１４は貯留タンク、１５は循環管路を示し、該循環管路１５の流入管部１５ａと流出管部１５ｂを前記貯留タンク１４に接続すると共に、該循環管路１５の中間部に循環ポンプ１６を介在し、該循環ポンプ１６の駆動により、前記貯留タンク１４内の水が前記流入管部１５ａから流入して前記循環管路１５内を流動し前記流出管路１５ｂより前記貯留タンク１４内に流出し、前記循環管路１５内を水又は次亜塩素酸水が循環するようにした。
Reference numeral 14 denotes a storage tank, and 15 denotes a circulation pipe. The inflow pipe 15a and the outflow pipe 15b of the circulation pipe 15 are connected to the storage tank 14 and are circulated in the middle of the circulation pipe 15. By intervening the pump 16 and driving the circulation pump 16, the water in the storage tank 14 flows in from the inflow pipe portion 15a and flows in the circulation pipe 15 and from the outflow pipe 15b to the storage tank 14. The water or hypochlorous acid water was circulated in the circulation line 15.
また、前記循環管路１５に前記電解槽１の送水通路６を介在させ、前記循環管路１５の水を前記送水通路６内も流動するようにした。
Further, the water supply passage 6 of the electrolytic cell 1 is interposed in the circulation pipe 15 so that the water in the circulation pipe 15 also flows in the water supply passage 6.
１７は、前記貯留タンク１４に設けた次亜塩素酸水の排出管を示す。
Reference numeral 17 denotes a hypochlorous acid water discharge pipe provided in the storage tank 14.
また、前記貯留タンク１４には、前記電解槽１で発生した水素ガスを外部に排出する排出口（図示せず）を有している。
The storage tank 14 has a discharge port (not shown) for discharging the hydrogen gas generated in the electrolytic cell 1 to the outside.
次に前記実施例装置による次亜塩素酸水の生成方法とその効果について説明する。
Next, a method for producing hypochlorous acid water by the apparatus of the above embodiment and its effect will be described.
希塩酸ポンプ１３を駆動して希塩酸タンク１１内の希塩酸を電解槽１内に供給する。
The dilute hydrochloric acid pump 13 is driven to supply dilute hydrochloric acid in the dilute hydrochloric acid tank 11 into the electrolytic cell 1.
そして該電解槽１において、希塩酸に浸漬されている陰陽両極５ａ、５ｂに通電して希塩酸を電気分解して、塩素ガスを発生する。
In the electrolytic cell 1, the negative and positive electrodes 5a and 5b immersed in dilute hydrochloric acid are energized to electrolyze the dilute hydrochloric acid and generate chlorine gas.
一方、循環ポンプ１６を駆動して、貯留タンク１４内の水を循環管路１５と送水通路６内を循環流動する。
On the other hand, the circulation pump 16 is driven to circulate and flow the water in the storage tank 14 through the circulation pipe 15 and the water supply passage 6.
そして、前記電解槽１からの塩素ガスはガス溜り部４から混入通路７を流動して混入個所Ａで送水通路６内を流動する水に混入し次亜塩素酸水を生成して前記循環管路１５を介して貯留タンク１４内に貯留されていく。
Then, the chlorine gas from the electrolytic cell 1 flows through the mixing passage 7 from the gas reservoir 4 and is mixed into the water flowing in the water supply passage 6 at the mixing point A to generate hypochlorous acid water, thereby generating the circulation pipe. It is stored in the storage tank 14 via the path 15.
そして、初期の時点では、次亜塩素酸水は低濃度であるが、該次亜塩素酸水が循環管路１５内の循環を繰り返しながら塩素ガスが混入されて徐々に濃度の高い次亜塩素酸水になってくる。そして貯留タンク１４内の次亜塩素酸水が所望の濃度になるまで運転を継続する。
At the initial time point, the hypochlorous acid water has a low concentration, but the hypochlorous acid water is repeatedly circulated in the circulation pipe 15 and mixed with chlorine gas, so that the concentration of hypochlorous acid gradually increases. It becomes acid water. The operation is continued until the hypochlorous acid water in the storage tank 14 has a desired concentration.
本願発明によれば、前記電解槽１からの塩素ガスは、該送水通路６内を流動する間にほとんどが水に溶け込むので、循環管路１５から塩素ガスが漏れるということはなく、また、前記送水通路６中の水に溶け込まれていない塩素ガスが存在していても、前記送水通路６は、ケーシング２に囲まれているので、該送水通路６からケーシング外部に塩素ガスが漏れることはない。また、前記混入通路７や、前記電解槽１と該混入通路７との継ぎ目や、該混入通路７と前記送水通路６との継ぎ目などから塩素ガスが外部に漏れることがなく、塩素ガスが、外部に漏れるという危険性がなくなる。
According to the present invention, most of the chlorine gas from the electrolytic cell 1 dissolves in the water while flowing in the water supply passage 6, so that the chlorine gas does not leak from the circulation line 15, and Even if chlorine gas not dissolved in the water in the water supply passage 6 exists, the water supply passage 6 is surrounded by the casing 2, so that chlorine gas does not leak from the water supply passage 6 to the outside of the casing. . Further, chlorine gas does not leak to the outside from the mixing passage 7, the joint between the electrolytic cell 1 and the mixing passage 7, the joint between the mixing passage 7 and the water supply passage 6, etc. There is no risk of leaking outside.
また、ケーシングの厚さを利用して、塩素ガスが外部に漏れないようにしたので、装置を小型化できる。
Also, since the thickness of the casing is used to prevent chlorine gas from leaking to the outside, the apparatus can be miniaturized.
また、前記電解槽１で発生した塩素ガスは、前記電解室３上のガス溜り室４に溜り、これにより、両電極は塩素ガスで覆われないので、高濃度にガス化した塩素ガスの電極板への影響をなくして、長期に安定した電解槽とすることができる。
Further, the chlorine gas generated in the electrolytic cell 1 is stored in the gas storage chamber 4 on the electrolysis chamber 3, so that both electrodes are not covered with the chlorine gas. The effect on the plate is eliminated, and a long-term stable electrolytic cell can be obtained.
本発明の次亜塩素酸水の生成用電解槽は、家庭や、食品工場、養鶏場、搾乳場、農場、医療や介護施設、レストラン等で利用されるので、その安全性、安定性、経済性が重視される。
Since the electrolyzer for producing hypochlorous acid water of the present invention is used in homes, food factories, poultry farms, milking farms, farms, medical and nursing facilities, restaurants, etc., its safety, stability, economy Emphasis on sex.
１ 電解槽
２ ケーシング
３ 電解室
４ ガス溜り室
５ａ 陽極板
５ｂ 陰極板
６ 送水通路
７ 混入通路
８ａ 電源端子
８ｂ 電源端子
９ 電解専用液流入室
１０ 電解専用液用通路
１１ 希塩酸タンク
１２ 送水管
１３ 希塩酸ポンプ
１４ 貯留タンク
１５ 循環管路
１５ａ 流入管部
１５ｂ 流出管部
１６ 循環ポンプ
１７ 排出管 DESCRIPTION OF SYMBOLS 1Electrolysis tank 2 Casing 3 Electrolysis chamber 4 Gas reservoir chamber 5a Anode plate 5b Cathode plate 6 Water supply passage 7 Mixing passage 8a Power supply terminal 8b Power supply terminal 9 Electrolytic exclusive liquid inflow chamber 10 Electrolytic exclusive liquid passage 11 Dilute hydrochloric acid tank 12 Water supply pipe 13 Dilute hydrochloric acid Pump 14 Storage tank 15 Circulation line 15a Inflow pipe section 15b Outflow pipe section 16 Circulation pump 17 Discharge pipe
２ ケーシング
３ 電解室
４ ガス溜り室
５ａ 陽極板
５ｂ 陰極板
６ 送水通路
７ 混入通路
８ａ 電源端子
８ｂ 電源端子
９ 電解専用液流入室
１０ 電解専用液用通路
１１ 希塩酸タンク
１２ 送水管
１３ 希塩酸ポンプ
１４ 貯留タンク
１５ 循環管路
１５ａ 流入管部
１５ｂ 流出管部
１６ 循環ポンプ
１７ 排出管 DESCRIPTION OF SYMBOLS 1
Claims (5)
- ケーシング内に、希塩酸が供給され塩素ガスを発生する陰陽両電極を有する電解室を形成すると共に、該ケーシング内を貫通する送水通路を形成し、前記電解室で生成された塩素ガスを前記送水通路内を流動する水に混入して前記塩素ガスを前記送水通路内で溶かすようにした次亜塩素酸水の生成用電解槽。 In the casing, an electrolytic chamber having both positive and negative electrodes to which dilute hydrochloric acid is supplied to generate chlorine gas is formed, a water supply passage penetrating through the casing is formed, and the chlorine gas generated in the electrolytic chamber is supplied to the water supply passage An electrolytic cell for generating hypochlorous acid water mixed with water flowing inside to dissolve the chlorine gas in the water supply passage.
- 前記ケーシング内に、前記電解室と前記送水通路との間にガス溜り室を形成したことを特徴とする請求項１に記載の次亜塩素酸水の生成用電解槽。 2. The electrolytic cell for generating hypochlorous acid water according to claim 1, wherein a gas reservoir chamber is formed in the casing between the electrolysis chamber and the water supply passage.
- 前記ケーシングの厚さは、前記電解室から前記送水通路まで流動する塩素ガスが該ケーシング外部に漏れ出ない厚さに形成されていることを特徴とする請求項１又は請求項２に記載の次亜塩素酸水の生成用電解槽。 The thickness of the casing is formed to a thickness that prevents chlorine gas flowing from the electrolysis chamber to the water supply passage from leaking out of the casing. Electrolyzer for producing chlorite water.
- 前記ケーシング内に、一端部が前記ガス溜り室に連通すると共に他端部が前記送水通路の混入箇所に連通する混入通路を設けたことを特徴とする請求項２又は請求項３に記載の次亜塩素酸水の生成用電解槽。 The next of Claim 2 or Claim 3 which provided the mixing channel | path which one end part connected to the said gas reservoir chamber in the said casing, and the other end communicated with the mixing location of the said water supply channel | path. Electrolyzer for producing chlorite water.
- 水が貯留されている貯留タンクと、該貯留タンク内から水を流入循環して該貯留タンク内に戻す循環管路とを更に設け、前記循環管路に、前記送水通路を介在させた請求項１又は請求項２又は請求項３又は請求項４に記載の次亜塩素酸水の生成用電解槽。 A storage tank in which water is stored, and a circulation pipe that inflows and circulates water from the storage tank and returns the water to the storage tank, and the water supply passage is interposed in the circulation pipe. An electrolytic cell for producing hypochlorous acid water according to claim 1 or claim 2 or claim 3 or claim 4.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2013081793A JP6121221B2 (en) | 2013-04-10 | 2013-04-10 | Electrolyzer for generation of hypochlorous acid water |
| JP2013-081793 | 2013-04-10 |
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| WO2014168024A1 true WO2014168024A1 (en) | 2014-10-16 |
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| PCT/JP2014/059113 WO2014168024A1 (en) | 2013-04-10 | 2014-03-28 | Electrolytic vessel for use in production of aqueous hypochlorous acid |
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| WO (1) | WO2014168024A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10121280A (en) * | 1996-08-29 | 1998-05-12 | Chlorine Eng Corp Ltd | Hypochlorite producing device |
| JP2002102853A (en) * | 2000-09-29 | 2002-04-09 | Matsushita Electric Ind Co Ltd | Electrolytic water generator |
| JP2004353013A (en) * | 2003-05-27 | 2004-12-16 | Masakazu Uzawa | Electrolyzer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005200761A (en) * | 2004-01-15 | 2005-07-28 | Hokuetsu:Kk | Electrochemical reactor |
| JP2007160196A (en) * | 2005-12-13 | 2007-06-28 | Wakamiya Kogyo Kk | Electrolytic sterilizer for water tank |
| KR101027538B1 (en) * | 2010-09-28 | 2011-04-07 | (주) 시온텍 | A equipment of electrolytic sterilizing water, manufacturing system and method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10121280A (en) * | 1996-08-29 | 1998-05-12 | Chlorine Eng Corp Ltd | Hypochlorite producing device |
| JP2002102853A (en) * | 2000-09-29 | 2002-04-09 | Matsushita Electric Ind Co Ltd | Electrolytic water generator |
| JP2004353013A (en) * | 2003-05-27 | 2004-12-16 | Masakazu Uzawa | Electrolyzer |
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| JP2014201825A (en) | 2014-10-27 |
| JP6121221B2 (en) | 2017-04-26 |
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