JP3795905B1 - Combustion gas generator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a combustion gas generator capable of generating combustion gas efficiently by making the temperature of the electrolytic solution in an electrolytic cell uniform, increasing the rate of electrolysis of the electrolytic solution.
SOLUTION: A combustion gas generator includes a cylindrical electrolytic cell in which an electrolytic solution 17 is stored, and a columnar negative electrode 13 that is disposed on the central axis of the electrolytic cell and is immersed in the electrolytic solution 17 of the electrolytic cell. And a plurality of electrode plates 141 and 142 arranged concentrically around the central axis in the electrolytic cell, and the electrolytic solution 17 is electrolyzed between the electrolytic cell, the plurality of electrode plates 141 and 142, and the negative electrode 13 By doing so, the combustion gas G is generated. The negative electrode 13 is made of a magnetic material.
[Selection] Figure 2

Description

  The present invention relates to a combustion gas generation device, and more particularly to a combustion gas generation device that generates combustion gas by electrolyzing an electrolytic solution between a plurality of electrodes.

In 1971, Dr. YULL BROWN of Austria discovered the fact that oxygen atoms coming out of water (H ₂ O) and hydrogen atoms combined at a certain ratio burned more completely.
Dr. Yul Brown succeeded in developing a highly efficient electrolyzer through continuous research and development, and invented a unique fuel gas called Brown Gas. Later, devices that generate brown gas more efficiently were developed around the world.
As a combustion gas generator that generates brown gas, for example, by monitoring the water level of the electrolytic solution in the electrolytic cell with a water level sensor and opening and closing the valve according to the level of the electrolytic solution in the electrolytic cell, A combustion gas generator that automatically supplies water to an electrolytic cell has been proposed (Patent Document 1).
JP 2000-129480 A (FIG. 1, paragraphs 0037 to 0040)

However, the temperature of the electrolytic solution may not be uniform in the electrolytic cell due to the difference in voltage applied between the electrodes, the difference in the location of the electrodes, and the like.
When the temperature of the electrolytic solution reaches a high temperature of about 70 ° C. or higher, water vapor is generated, resulting in a decrease in the amount of combustion gas containing hydrogen and oxygen.
In addition, when each electrode is exposed to a high-temperature electrolyte, metal corrosion is promoted and the life of the electrode is shortened.
An object of the present invention is to provide a combustion gas generator capable of generating combustion gas efficiently by making the temperature of the electrolytic solution in the electrolytic cell uniform, increasing the speed of electrolysis of the electrolytic solution.

A combustion gas generator according to the present invention includes an electrolytic tank in which an electrolytic solution is stored, and a negative electrode immersed in the electrolytic solution in the electrolytic tank, and generates combustion gas by electrolyzing the electrolytic solution. In this combustion gas generator, the negative electrode is made of a magnetic material.
With such a configuration, the temperature of the electrolytic solution in the electrolytic cell can be made uniform, the rate of electrolysis of the electrolytic solution can be increased, and combustion gas can be generated efficiently.

Another combustion gas generator according to the present invention includes an electrolytic cell in which an electrolytic solution is stored, and a negative electrode immersed in the electrolytic solution in the electrolytic cell, and a positive voltage is applied to the electrolytic cell. A combustion gas generator for generating combustion gas by applying a negative voltage to the negative electrode and electrolyzing the electrolyte between the electrolytic cell and the negative electrode, the negative electrode Is characterized by being formed of a magnetic material.
With such a configuration, the temperature of the electrolytic solution in the electrolytic cell can be made uniform, the rate of electrolysis of the electrolytic solution can be increased, and combustion gas can be generated efficiently.

Another combustion gas generator according to the present invention includes a cylindrical electrolytic cell in which an electrolytic solution is stored, and a columnar shape that is disposed on the central axis of the electrolytic cell and is immersed in the electrolytic solution in the electrolytic cell. A negative electrode and a plurality of electrode plates arranged concentrically around the central axis in the electrolytic cell, and immersed in the electrolytic solution of the electrolytic cell, applying a positive voltage to the electrolytic cell, A combustion gas generator that generates combustion gas by applying a negative voltage to the negative electrode and electrolyzing the electrolytic solution between the electrolytic cell, the plurality of electrode plates, and the negative electrode, The negative electrode is formed of a magnetic material.
With such a configuration, the temperature of the electrolytic solution in the electrolytic cell can be made uniform, the rate of electrolysis of the electrolytic solution can be increased, and combustion gas can be generated efficiently.

  The plurality of electrode plates may be arranged at equal intervals.

  Further, the plurality of electrode plates may be divided by a surface including the central axis of the electrolytic cell.

  The plurality of electrode plates may be divided into two equal parts by a surface including the central axis of the electrolytic cell.

Further, a plurality of electrode plates, the plane including the central axis of the electrolytic cell may be divided into multi equally.

  The plurality of electrode plates may be formed of a stainless alloy.

  Further, the electrolytic solution may be an aqueous potassium hydroxide solution.

  In addition, a supply port for supplying the electrolytic solution to the electrolytic cell and a discharge port for discharging the electrolytic solution in the electrolytic cell, and a circulation path through which the electrolytic solution discharged from the discharge port is circulated to the supply port Also good.

  Further, a means for cooling the electrolytic solution may be provided in the circulation path of the electrolytic solution.

  The cooling means may cool the liquid temperature of the electrolyte between about 38 ° C. and about 48 ° C.

  According to the present invention, the temperature of the electrolytic solution in the electrolytic cell is made uniform, the rate of electrolysis of the electrolytic solution is increased, and combustion gas can be generated efficiently.

A combustion gas generator according to an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a schematic diagram showing the overall configuration of a combustion gas generator according to an embodiment of the present invention.
FIG. 2 is a schematic diagram showing the internal configuration of the electrolytic cell of the combustion gas generator according to the embodiment of the present invention, and FIG. 2 (a) is a cross-sectional view in a plane including the central axis of the electrolytic cell, FIG. 2B is a cross-sectional view taken along the line AA in FIG.
As shown in FIG. 1, the combustion gas generator 1 according to the embodiment of the present invention includes four electrolytic cells 10, a water level gauge 20, a combustion gas accumulation tank 30, a combustion gas supply pipe 40, and an electrolyte collection tank 50. , A circulation pump 60, a filter 70, an electrolytic solution storage tank 80, a cooling tank 90, a cooling water pump 100, and the like.

As shown in FIG. 2, the electrolytic cell 10 is configured by sealing both ends of a metal cylinder 11 with metal lids 12a and 12b. The metal cylinder 11 and the metal lids 12a and 12b are formed of stainless steel (SUS304) or the like that is highly corrosive. The metal cylinder 11 and the metal lids 12a and 12b are fastened by a stainless steel (SUS304) bolt (not shown).
As shown in FIG. 2, a negative electrode 13 is attached to the central axis of the metal cylinder 11 of the electrolytic cell 10. The negative electrode 13 is formed in a cylindrical shape. Further, the negative electrode 13 is made of, for example, a magnetic material of 3000 gauss or more.
In addition, as shown in FIG. 2A, the plurality of electrode plates 141 and 142 are arranged in two stages in the metal cylinder 11. Further, as shown in FIG. 2B, the plurality of electrode plates 141 and 142 are arranged concentrically around the negative electrode 13, for example, at approximately equal intervals of about 4 mm to about 5 mm. 2B shows a cut surface of the plurality of electrode plates 141 out of the plurality of electrode plates 141 and 142. FIG.
In FIG. 2B, 16 electrode plates 141 and 142 are arranged between the negative electrode 13 and the inner wall of the metal cylinder 11 of the electrolytic cell 10.

Further, the electrode plates 141 and 142 may be divided by a plane that passes through the central axis of the electrolytic cell 10. In FIG. 2B, as an example, a configuration is shown that is divided into two and divided into a plurality of semicircular electrode plates 141a, 141b. Although not shown, the plurality of electrode plates 142 have the same configuration as that shown in FIG. The number of divisions may be increased within a physically possible range, such as 4 divisions, 6 divisions,... 12 divisions,. An insulating plate (not shown) is provided between the electrode plates 141a and 141b.
Guide plates 15a and 15b are attached to the inner surfaces of the metal lids 12a and 12b, respectively. A center plate 16 is attached to the center of the metal cylinder 11 in the longitudinal direction. The plurality of electrode plates 141 and 142 are held in the electrolytic cell 10 by the guide plates 15 a and 15 b and the center plate 16.

Here, the configuration of the guide plates 15a and 15b and the center plate 16 will be described.
3A and 3B are diagrams showing the configuration of the guide plate, in which FIG. 3A is a plan view and FIG. 3B is a cross-sectional view taken along the line BB.
4A and 4B are diagrams illustrating the configuration of the center plate, in which FIG. 4A is a plan view and FIG. 4B is a cross-sectional view taken along the line CC.
As shown in FIGS. 3A and 3B, the guide plates 15a and 15b are formed in a disk shape by an insulating resin such as polyacetal. A through hole 151 into which the negative electrode 13 is inserted is formed at the center of the guide plates 15a and 15b. A plurality of grooves 152 concentrically from the center are formed on the surface facing the inner side of the electrolytic cell 10 at substantially equal intervals, for example, about 4 mm to about 5 mm. A plurality of electrode plates 141 or 142 are sandwiched between the plurality of grooves 152.

In consideration of the workability of attaching the plurality of electrode plates 141 or 142 to the guide plates 15a and 15b, six grooves 153 are formed from the central through hole 151 of the guide plates 15a and 15b toward the outer periphery. Has been.
As shown in FIGS. 4A and 4B, the center plate 16 is formed in a cross-shaped plate shape with an insulating resin such as polyacetal. A through hole 161 into which the negative electrode 13 is inserted is formed at the center of the center plate 16. Further, on both surfaces of the center plate 16, a plurality of grooves 162a to 162d concentrically from the center are formed at equal intervals with the same interval as the grooves 152 of the guide plates 15a and 15b. A plurality of electrode plates 141 and 142 are sandwiched between the plurality of grooves 162a to 162d.
As shown in FIG. 1, the plurality of electrode plates 141 are held between the guide plate 15a and the center plate 16 via the grooves 152 and the grooves 162a to 162d. The plurality of electrode plates 142 are held between the center plate 16 and the guide plate 15b via the grooves 152 and the grooves 162a to 162d.

As shown in FIG. 2, an electrolytic solution 17 is stored in the electrolytic cell 10. The water level of the electrolytic solution 17 in the electrolytic cell 10 is managed by the water level meter 20 shown in FIG. As the electrolytic solution 17, for example, a potassium hydroxide (KOH) aqueous solution is used. Preferably, a low concentration (for example, 5 to 30% concentration) aqueous potassium hydroxide solution is used for the electrolytic solution 17, and a 5 to 15% concentration potassium hydroxide aqueous solution is more preferably used. .
Further, as shown in FIG. 2, the negative electrode 13 and the plurality of electrode plates 141 and 142 are immersed in the electrolytic solution 17 in the electrolytic cell 10.
As shown in FIG. 1, a positive voltage is applied to the electrolytic cell 10, a negative voltage is applied to the negative electrode 13, and electrolysis is performed between the electrolytic cell 10, the plurality of electrode plates 141 and 142, and the negative electrode 13. The liquid 17 is electrolyzed to generate a mixed combustion gas G containing hydrogen, oxygen and potassium. The mixed combustion gas G has a specific gravity lighter than that of the potassium hydroxide aqueous solution that is the electrolytic solution 17, and thus rises in the electrolytic solution 17 as bubbles and is stored in the upper part of the electrolytic cell 10.

As shown in FIG. 2, the upper surface of the electrolytic cell 10 is provided with a delivery port 18 for sending the mixed combustion gas G and a supply port 19 for supplying the electrolytic solution 17 to the inside of the electrolytic cell 10. ing. A discharge port 110 for discharging the electrolytic solution 17 is provided on the lower surface of the electrolytic cell 10.
As shown in FIG. 1, the mixed combustion gas G stored in the upper part of the electrolytic cell 10 is accumulated in the combustion gas accumulation tank 30 through the outlet 18 and the connection pipes P1a to P1d. The connection pipes P <b> 1 a to P <b> 1 d are used to connect between the upper surface of each electrolytic cell 10 and the combustion gas accumulation tank 30.
Further, the mixed combustion gas G accumulated in the combustion gas accumulation tank 30 is sent to the combustion gas supply pipe 40 via the connection pipes P2a to P2c.

As shown in FIGS. 1 and 2, the electrolytic solution 17 discharged from the discharge port 110 flows into the electrolytic solution collection tank 50 through the connection pipes P3a to P3d. The connecting pipes P <b> 3 a to P <b> 3 d are used to connect between the discharge ports 110 of the electrolytic cells 10 and the electrolytic solution collection tank 50.
The electrolytic solution 17 collected in the electrolytic solution collection tank 50 flows into the circulation pump 60 through the connection pipe P4. Through the circulation pipe 60, the electrolytic solution 17 flows into the electrolytic solution storage tank 80 via the connection pipe P5, the filter 70, and the connection pipe P6. The impurities contained in the electrolytic solution 17 are removed by the filter 70.

As shown in FIG. 1, the electrolytic solution 17 accumulated in the electrolytic solution accumulation tank 80 is connected to the connection pipe P <b> 7, the cooling tank 90, the connection pipe P <b> 8, and each supply port 18 of each electrolytic cell 10 by the power of the circulation pump 60. Through each of the electrolytic cells 10. The connection pipe P8 is connected to each supply port 19 on the upper surface of each electrolytic cell 10, but for convenience of drawing, it is shown as being connected to the side surface in FIG.
In the cooling tank 90, a heat pipe (not shown) made of a metal pipe is stretched. Connection pipes P9 and P10 are connected to both ends of the heat pipe.
Cooling water as a refrigerant is introduced from the connection pipe P11, and the cooling water is circulated in a heat pipe provided between the connection pipe P9 and the connection pipe P10 by the power of the cooling water pump 100. In the cooling tank 90, the heat of the electrolytic solution 17 flowing from the electrolytic solution storage tank 80 is discharged and discharged through a heat pipe. From the connection pipe P10, the cooling water that has absorbed heat flows out as warm water. The temperature of the cooling water and the power of the circulation pump 100 are adjusted so that the electrolytic solution 17 is maintained at about 43 ° C. ± 5 ° C. and flows into the supply port 19 of the electrolytic cell 10.

Next, the operation of the combustion gas generator according to the embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 1, the electrolytic solution 17 is filtered by the power of the circulation pump 60, the filter 70, the electrolytic solution storage tank 80, the cooling tank 90, the four electrolytic cells 10, the electrolytic solution collection tank 50, and the connection connecting them It is circulated between the pipes P3a to P3d and P4 to P8.
At this time, cooling water flows into the heat pump (not shown) that is stretched in the cooling tank 90 and is formed of a metal pipe by the cooling water pump 100, and the electrolytic solution 17 is about 30% in the cooling tank 90. It is cooled to around 43 ° C. ± 5 ° C.
As shown in FIG. 1, the water level of the electrolytic solution 17 in the electrolytic cell 10 is kept constant by a water level meter 20.

Further, as shown in FIG. 1, a positive voltage is applied to each electrolytic cell 10, and a negative voltage is applied to each negative electrode 13.
Next, as shown in FIG. 2, the electrolytic solution 17 is electrolyzed between the electrolytic cell 10, the plurality of electrode plates 141 and 142, and the negative electrode 13, and the mixed combustion gas G containing hydrogen, oxygen, and potassium is produced. appear. The mixed combustion gas G rises in the form of bubbles in the electrolytic solution 17 and is stored in the upper part of each electrolytic cell 10.
As shown in FIG. 1, the mixed combustion gas G stored in the upper part of each electrolytic cell 10 is accumulated in the combustion gas accumulation tank 30 through the outlets 18 and the connection pipes P1a to P1d, and then connected. It is sent to the mixed gas supply pipe 40 through the pipes P2a to P2c.

  Here, in general, the temperature of the electrolytic solution 17 is different between the negative electrode 13 provided on the central axis in the electrolytic cell 10 and the inner wall side of the electrolytic cell 10. That is, on the side of the negative electrode 13 provided on the central axis in the electrolytic cell 10, the temperature of the electrolytic solution 17 tends to increase significantly compared to the inner wall side of the electrolytic cell 10. This is because the electrode plates 141 and 142 are densely arranged on the negative electrode 13 side in the electrolytic cell 10 compared to the inner wall side of the electrolytic cell 10, and the flow of the electrolytic solution 17 is deteriorated. It is considered that. If the electrolytic solution 17 stops without flowing near the negative electrode 13, the temperature near the negative electrode 13 rises, and when the temperature of the electrolytic solution 17 reaches 70 ° C. or more, the negative electrode 13 and a plurality of electrodes near the negative electrode 13 The plates 141 and 142 tend to corrode.

On the other hand, in the combustion gas generator 1 according to the embodiment of the present invention, the negative electrode 13 is made of a magnetic material, so that the negative electrode 13 has magnetism. When the negative electrode 13 is magnetized, the current speed of the current flowing between the negative electrode 13, the plurality of electrode plates 141, 142 and the electrolytic cell 10 is increased, and convection is generated in the electrolytic solution 17 in the electrolytic cell 10. Demonstrate the effect.
By exhibiting this action, the electrolytic solution 17 in the electrolytic cell 10 is convected in the electrolytic cell 10, the temperature of the electrolytic solution 17 in the electrolytic cell 10 is made uniform, and the rate of electrolysis can be increased. The mixed combustion gas G can be generated efficiently. Further, corrosion of the negative electrode 13 and the plurality of electrode plates 141 and 142 can be prevented.

The inventor confirmed the effect of having magnetism in the negative electrode 13 by the following experiment.
FIG. 5 is a diagram showing experimental data obtained by measuring the amount of mixed combustion gas generated when the electrolytic solution is a 10% concentration potassium hydroxide (KOH) aqueous solution. FIG. FIG. 5B is a diagram showing experimental data when magnetism is not given, and FIG. 5B is a diagram showing experimental data when magnetism is given to the negative electrode.
FIG. 6 is a graph of the experimental data shown in FIG. 5, and shows experimental data obtained by measuring the amount of mixed combustion gas generated when the electrolytic solution is a 10% potassium hydroxide aqueous solution. FIG. 6A is a graph showing experimental data when the negative electrode is not magnetized, and FIG. 6B is a graph when the negative electrode is magnetized. It is a figure which shows the graph of experimental data.

First, the experimental apparatus will be described.
Two electrode plates were used for the electrodes. As the positive electrode, a flat plate made of stainless steel (SUS304) about 20 cm square was used. For the negative electrode, a nickel (Ni) flat plate of about 20 cm square is used if it is not magnetized, and a stainless alloy (SUS304) is plated on a magnetic material of about 6000 gauss about 20 cm square if it is magnetized. The applied flat plate was used.
Moreover, 10% concentration potassium hydroxide (KOH) aqueous solution was used for the electrolytic solution.
Such an experimental apparatus was hermetically sealed under an environment of normal temperature and pressure, and a voltage of 12 V was applied to both electrodes while the positive electrode and the negative electrode were immersed in the electrolyte.
As a result of such an experiment, experimental data as shown in FIG. 5 was obtained. When this experimental data is graphed, it is expressed as shown in FIG.

As shown in FIGS. 6A and 6B, the hydrogen concentration, the oxygen concentration, and the temperature increase with time regardless of whether or not the negative electrode is magnetized.
As shown in FIGS. 6A and 6B, the hydrogen concentration and the oxygen concentration are higher when the negative electrode is magnetized than when the magnetism is not magnetized.
On the other hand, as shown in FIGS. 6 (a) and 6 (b), the temperature rise is reduced when the negative electrode is magnetized compared to when the magnet is not magnetized. ing.
As described above, as a result of magnetizing the negative electrode, the concentration of oxygen and hydrogen contained in the mixed combustion gas can be increased, and the temperature rise of the electrolytic solution can be reduced.
When this result is applied to the combustion gas generator 1 according to the embodiment of the present invention, the negative electrode 13 is formed of a magnetic material, so that the electrolytic solution 17 in the electrolytic cell 10 is convected in the electrolytic cell 10 and electrolysis is performed. It can be seen that the temperature of the electrolyte solution 17 in the tank 10 is made uniform, the rate of electrolysis can be increased, and the mixed combustion gas G can be generated efficiently.

As described above, according to the combustion gas generator 1 according to the embodiment of the present invention, the temperature of the electrolytic solution 17 in the electrolytic cell 10 is made uniform, the electrolysis speed of the electrolytic solution 17 is increased, and the combustion is efficiently performed. Can generate gas.
The present invention is not limited to the above embodiment. Moreover, those skilled in the art can easily change, add, and convert each element of the embodiment of the present invention within the scope of the present invention.

It is a mimetic diagram showing the whole combustion gas generating device composition concerning an embodiment of the invention. FIG. 2A is a schematic diagram showing the internal configuration of the electrolytic cell of the combustion gas generator according to the embodiment of the present invention, and FIG. 2A is a cross-sectional view in a plane including the central axis of the electrolytic cell, and FIG. ) Is a cross-sectional view taken along the line AA in FIG. FIGS. 3A and 3B are diagrams showing a configuration of a guide plate, in which FIG. 3A is a plan view and FIG. 3B is a cross-sectional view taken along the line BB. It is a figure which shows the structure of a center plate, Comprising: Fig.4 (a) is a top view, FIG.4 (b) is sectional drawing of CC cutting | disconnection line. FIG. 5A is a diagram showing experimental data obtained by measuring the amount of mixed combustion gas generated when the electrolytic solution is a 10% strength potassium hydroxide (KOH) aqueous solution, and FIG. FIG. 5B is a diagram showing experimental data when the negative electrode is magnetized. FIG. FIG. 6 is a graph of the experimental data shown in FIG. 5, showing a graph of experimental data obtained by measuring the amount of mixed combustion gas generated when the electrolytic solution is a 10% aqueous potassium hydroxide solution. 6A is a graph showing experimental data when the negative electrode is not magnetized, and FIG. 6B is a graph showing experimental data when the negative electrode is magnetized. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Electrolysis tank 11 Metal cylinder 12a, 12b Metal lid 13 Negative electrode 14, 141, 142 Several electrode plates 15a, 15b Guide plate 16 Center plate 18 Outlet 19 Supply port 110 Outlet 20 Water level meter 30 Combustion gas accumulation tank 40 Combustion Gas supply pipe 50 Electrolyte collection tank 60 Circulation pump 70 Filter 80 Electrolyte accumulation tank 90 Cooling tank 100 Pump for cooling water

Claims (9)

A cylindrical electrolytic cell in which the electrolytic solution is stored, a columnar negative electrode disposed in the central axis of the electrolytic cell and immersed in the electrolytic solution of the electrolytic cell, and a central axis in the electrolytic cell A plurality of electrode plates arranged concentrically and immersed in the electrolytic solution of the electrolytic cell, applying a positive voltage to the electrolytic cell, applying a negative voltage to the negative electrode, A combustion gas generator that generates a mixed combustion gas containing hydrogen and oxygen by electrolyzing the electrolytic solution between the plurality of electrode plates and the negative electrode,
Of the electrolytic cell, the negative electrode, and the plurality of electrode plates, only the negative electrode is formed of a magnetized magnetic material.   The combustion gas generator according to claim 1, wherein the plurality of electrode plates are arranged at equal intervals.   The combustion gas generator according to claim 1, wherein the plurality of electrode plates are divided by a surface including a central axis of the electrolytic cell.   The combustion gas generator according to claim 1, wherein the plurality of electrode plates are divided into two equal parts by a surface including a central axis of the electrolytic cell.   The combustion gas generator according to claim 1, wherein the plurality of electrode plates are divided into a plurality of portions by a surface including a central axis of the electrolytic cell.   The combustion gas generator according to claim 1, wherein the plurality of electrode plates are formed of a stainless alloy.   The combustion gas generator according to claim 1, wherein the electrolytic solution is an aqueous potassium hydroxide solution.   A circulation port including a supply port for supplying the electrolytic solution to the electrolytic cell and a discharge port for discharging the electrolytic solution in the electrolytic cell, and the electrolytic solution discharged from the discharge port is circulated to the supply port. The combustion gas generator according to claim 1, further comprising a path. 9. The combustion gas generator according to claim 8 , further comprising means for cooling the electrolyte solution in a circulation path of the electrolyte solution.

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