LU501918B1 - A Hydrogen Energy Power Supply Apparatus Based on Magnesium-based Material - Google Patents

Abstract

The present invention discloses a hydrogen energy power supply apparatus based on a magnesium-based material, comprising a mounting frame and a fuel cell fixed on a side wall of the mounting frame, a heat absorption box is fixed on a side wall of the fuel cell, a reaction box is fixed on a side wall of the heat absorption box, a feeding box and a heat dissipation box are fixed on a side wall of the mounting frame, a feeding pipe, which is communicated with the inside of the reaction box, is provided on a side wall of the feeding box in a penetrating manner, a water-collecting box and an impurity removal box are fixed on a side wall of the heat dissipation box, a hydrogen adding pipe, an oxygen adding pipe, a drain pipe and a hydrogen reflux pipe are inserted into an end portion of the fuel cell.

Description

! LU501918 A Hydrogen Energy Power Supply Apparatus Based on Magnesium-based Material

FIELD OF TECHNOLOGY The present invention relates to the field of power supply device technologies, and in particular, to a hydrogen energy power supply apparatus based on a magnesium-based material.

BACKGROUND A fuel cell is a chemical apparatus that directly converts chemical energy of fuel into electric energy, also known as an electrochemical generator. Since the fuel cell converts some of Gibbs free energy of the chemical energy of fuel into the electrical energy by means of an electrochemical reaction, which is not limited by the Carnot cycle effect, and therefore the efficiency is high; in addition, the fuel cell uses the fuel and oxygen as raw materials, and at the same time, there is no a mechanical transmission component. Therefore, the harmful gas discharged thereof is very little and the service life is long. Some of the existing fuel cell uses hydrogen as a fuel source, and the fuel cell with non-hydrogen energy will produce a certain amount of waste gas, thus causing environmental pollution. However, in the existing hydrogen fuel cell, the supply of hydrogen thereof mostly depends on the storage and supply of gaseous state or liquid state hydrogen. Obviously, there are many inconveniences in the storage of the liquid and gaseous hydrogen, which has a relatively high requirement for storage and which generally needs to withstand high pressure, and there is a relatively high safety risk. Combined with the exothermic property of the fuel cell, once it is overheated, the risk will increase. Therefore, in the existing fuel cell power supply system, there is a relatively great risk in the supply of hydrogen energy.

SUMMARY The objective of the present invention is to solve the problems of unsafe hydrogen supply and great energy waste in the prior art, and provide a hydrogen energy power supply apparatus based on a magnesium-based material. To achieve the above-mentioned objective, the present invention adopts the following technical solutions: a hydrogen energy power supply apparatus based on a magnesium-based material, comprising a mounting frame and a fuel cell fixed on a side wall of the mounting frame, a heat absorption box is fixed on a side wall of the fuel cell, a reaction box is fixed on a side wall of the heat absorption box, a feeding box and a heat dissipation box are fixed on a side wall of the mounting frame, a feeding pipe, which is communicated with the inside of the reaction box, is provided on a side wall of the feeding box in a penetrating manner, a water-collecting box and an impurity removal box are fixed on a side wall of the heat dissipation box, a hydrogen adding pipe, an oxygen adding pipe, a drain pipe and a hydrogen reflux pipe are inserted into an end portion of the fuel cell, wherein the hydrogen adding pipe is communicated with the inside of the reaction box, the hydrogen reflux pipe penetrates through the heat absorption box and is communicated with the inside of the hydrogen adding pip, a one-way valve is arranged inside the hydrogen reflux pipe, and the drain pipe penetrates through the heat absorption box and is communicated with the inside of the water-collecting box, a water-reflux pipe, which is communicated with the inside of the reaction box, is provided on a bottom portion of the water-collecting box in a penetrating manner; two driving boxes are fixed on two side walls of the reaction box, and an air outlet pipe and a reflux pipe, which are respectively communicated with the two driving boxes, are provided on a side wall of the heat absorption box in a penetrating manner, the two driving boxes are jointly connected to a cooling pipe, wherein the cooling pipe penetrates through the heat dissipation box, a driving mechanism is arranged inside the driving boxes, a quantitative water adding mechanism is arranged inside the water-collecting box, and an acid supplying mechanism is arranged inside the impurity removal box.

In the above-mentioned hydrogen energy power supply device based on a magnesium-based material, the quantitative water adding mechanism comprises a floating plate slidably connected to the inner wall of the water-collecting box, wherein an ejector pin is fixed on a bottom portion of the floating plate, and a bottom portion of the ejector pin is inserted inside the water-reflux pipe and blocks the water-reflux pipe.

In the above-mentioned hydrogen energy power supply device based on a magnesium-based material, the acid supplying mechanism comprises a push plate connected to a bottom portion of the impurity removal box by means of a push spring, wherein the push plate is slidably connected to the inner wall of the impurity removal box in a sealing manner, an acid adding pipe, which is communicated with the inside of the reaction box, 1s provided on a side wall of the impurity removal box in a penetrating manner, an electromagnetic valve, which is opened and closed at a fixed time, is arranged inside of the acid adding pipe, hydrochloric acid is filled inside of the impurity removal box, two acid-base sensors are fixed at a bottom portion of the reaction box, inner walls of the cooling pipe and a liquid discharge pipe are both provided with an electric control valve, wherein the electric control valve is controlled by an electrical signal transmitted by the acid-base sensors.

In the above-mentioned hydrogen energy power supply device based on a magnesium-based material, the driving mechanism comprises a rotating shaft rotationally connected to a side wall of the driving boxes in a penetrating and sealing way, wherein one end of the rotating shaft that is away from the driving boxes penetrates through the side wall of the reaction box and extends into the reaction box, a plurality of rotating blades are fixed on a circumferential side wall of a section, which is located inside the driving boxes, of the rotating shaft, a plurality of stirring blades are fixed on the circumferential side wall of a section, which is located inside the reaction box, of the rotating shaft, the air outlet pipe and the reflux pipe are internally provided with a one-way valve, dichloromethane is filled inside of the heat absorption box, a cooling liquid is filled inside of the heat dissipation box, and a section, which is located inside the heat dissipation box, of the cooling pipe is helical. Compared with the prior art, the advantages of the present invention lie in that:

1. in the present invention, the water flow inside the water-collecting box can enter into the reaction box by means of a water-reflux pipe, thus supplementing the water continuously consumed by the reaction and ensuring continuous performing of the hydrogen supply reaction. Moreover, the air at an upper portion of the water-collecting box cannot enter into the reaction box when the water flow is added in a small amount for many times, thus ensuring the degree of purity of hydrogen supply in the reaction box and improving the energy supply effect;

2. in the present invention, during the process of a fluid passes through the driving boxes, same will push the rotating blade to rotate, then drive the rotating shaft to rotate, such that a stirring blade rotates continuously, such that the solid-liquid reaction inside the reaction box can be stirred efficiently, thus improving the overall reaction rate and ensuring the effectiveness of hydrogen supply;

3. in the present invention, high-temperature water vapor is inlet into the water collecting box by means of a drain pipe, and will pass through the heat absorption box during the process, thus transferring heat to a dichloromethane solution, such that the water vapor is liquefied into a water flow, which is pushed by the subsequent air flow to enter the water collecting box for storage. Excess hydrogen is injected into the hydrogenation adding pipe by means of the hydrogen reflux pipe, so as to realize the full utilization of hydrogen, and the heat will be absorbed by dichloromethane during the transfer process, thus avoiding overheating reaction and realizing the recycling of a fuel cell reaction product; and

4. in the present invention, the solid magnesium dihydrogen is used for the hydrogen supply, and same does not need to perform compression on the hydrogen, thus being more secure and more reliable.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic diagram of the left shaft side of a hydrogen energy power supply apparatus based on a magnesium-based material proposed by the present invention; Figure 2 is a schematic diagram of the right shaft side of a hydrogen energy power supply apparatus based on a magnesium-based material proposed by the present invention; Figure 3 is a schematic diagram of the front structure of a hydrogen energy power supply apparatus based on a magnesium-based material proposed by the present invention; Figure 4 is a half-sectional view of a hydrogen energy power supply apparatus based on a magnesium-based material proposed by the present invention; and Figure 5 is a top sectional view of the right shaft side of a hydrogen energy power supply apparatus based on a magnesium-based material. In the figures, 1 mounting frame, 2 fuel cell, 3 feeding box, 4 heat absorption box, 5 reaction box, 6 heat dissipation box, 7 water-collecting box, 8 impurity removal box, 9 feeding pipe, 10 hydrogen adding pipe, 11 oxygen adding pipe, 12 drain pipe, 13 hydrogen reflux pipe, 14 floating plate, 15 ejector pin, 16 water-reflux pipe, 17 push spring, 18 push plate, 19 acid adding pipe, 20 acid-base sensor, 21 liquid discharge pipe, 22 driving box, 23 air outlet pipe,

> LU501918 24 reflux pipe, 25 cooling pipe, 26 rotating shaft, 27 rotating blade and 28 stirring blade.

DESCRIPTION OF THE EMBODIMENTS The following embodiments are for illustrative purposes only, and are not intended to limit the scope of the present invention. Embodiments With reference to figures 1-5, a hydrogen energy power supply apparatus based on a magnesium-based material, comprising a mounting frame 1 and a fuel cell 2 fixed on a side wall of the mounting frame 1, a heat absorption box 4 is fixed on a side wall of the fuel cell 2, a reaction box 5 is fixed on a side wall of the heat absorption box 4, a feeding box 3 and a heat dissipation box 6 are fixed on a side wall of the mounting frame 1, a feeding pip 9, which is communicated with the inside of the reaction box 5, is provided on a side wall of the feeding box 3 in a penetrating manner, solid magnesium dihydrogen or sodium borohydride is stored in the feeding box 3, and both of which can be hydrolyzed to produce hydrogen, which can be used for supplying hydrogen, a water-collecting box 7 and an impurity removal box 8 are fixed on a side wall of the heat dissipation box 6, a hydrogen adding pipe 10, an oxygen adding pipe 11, a drain pipe 12 and a hydrogen reflux pipe 13 are inserted into an end portion of the fuel cell 2, wherein the hydrogen adding pipe 10 is communicated with the inside of the reaction box 5, the hydrogen reflux pipe 13 penetrates through the heat absorption box 4 and is communicated with the inside of the hydrogen adding pipe 10, a one-way valve is arranged inside the hydrogen reflux pipe 13, and the drain pipe 12 penetrates through the heat absorption box 4 and is communicated with the inside of the water-collecting box 7, a water-reflux pipe 16, which is communicated with the inside of the reaction box 5, is provided on a bottom portion of the water-collecting box 7 in a penetrating manner; two driving boxes 22 are fixed on two side walls of the reaction box 5, and an air outlet pipe 23 and a reflux pipe 24, which are respectively communicated with the two driving boxes 22, are provided on a side wall of the heat absorption box 4 in a penetrating manner, the two driving boxes 22 are jointly connected to a cooling pipe 25, wherein the cooling pipe 25 penetrates through the heat dissipation box 6, a driving mechanism is arranged inside the driving boxes 22, a quantitative water adding mechanism is arranged inside the water-collecting box 7, and an acid supplying mechanism is arranged inside the impurity removal box 8.

The quantitative water adding mechanism comprises a floating plate 14 slidably connected to the inner wall of the water collecting box 7, wherein an ejector pin 15 1s fixed on a bottom portion of the floating plate 14, and a bottom portion of the ejector pin 15 is inserted inside the water-reflux pipe 16 and blocks the water-reflux pipe 16, an upper portion of the water collecting box 7 does not perform sealing processing on the communicating position with the drain pipe 12. When air is injected into the oxygen adding pipe 11, the excess air can be discharged. However, the water flows into the reaction box 5 from the bottom of the water-reflux pipe 16 in a small amount for many times, and the air cannot enter the reaction box 5, so as to ensure the degree of purity of hydrogen supply, a one-way valve is arranged inside the drain pipe 12, and the one-way valve is arranged at the position where same is in contact with the bottom portion of the heat absorbing box 4, so as to prevent the water flow from flowing back into the fuel cell 2 and ensure that when the water vapor is discharged, the water flow can be pushed into the collecting box 7. The acid supplying mechanism comprises a push plate 18 connected to a bottom portion of the impurity removal box 8 by means of a push spring 17, wherein the push plate 18 is slidably connected to the inner wall of the impurity removal box 8 in a sealing manner, an acid adding pipe 19, which is communicated with the inside of the reaction box 5, is provided on a side wall of the impurity removal box 8 in a penetrating manner, an electromagnetic valve, which is opened and closed at a fixed time, is arranged inside of the acid adding pipe 19, hydrochloric acid is filled inside of the impurity removal box 8, two acid-base sensors 20 are fixed at a bottom portion of the reaction box 5, inner walls of the cooling pipe 25 and a liquid discharge pipe 21 are both provided with an electric control valve, wherein the electric control valve is controlled by an electrical signal transmitted by the acid-base sensors 20, and the hydrochloric acid is added timely and quantitatively, such that the magnesium hydroxide is fully reacted timely and quantitatively, thus preventing the solid impurities from being discharged, and ensuring the sufficient internal space of the reaction box 5. The driving mechanism comprises a rotating shaft 26 rotationally connected to a side wall of the driving boxes 22 in a penetrating and sealing way, wherein one end of the rotating shaft 26 that is away from the driving boxes 22 penetrates through the side wall of the reaction box 5 and extends into the reaction box 5, a plurality of rotating blades 27 are fixed on a circumferential side wall of a section, which is located inside the driving boxes 22, of the rotating shaft 26, a plurality of stirring blades 28 are fixed on the circumferential side wall of a section, which is located inside the reaction box 5, of the rotating shaft 26, the air outlet pipe 23 and the reflux pipe 24 are internally provided with a one-way valve, dichloromethane is filled inside of the heat absorption box 4, a cooling liquid is filled inside of the heat dissipation box 6, and a section, which is located inside the heat dissipation box 6, of the cooling pipe (25) is helical, which increases the contact area and time with the cooling liquid, thus ensuring the efficiently performing of heat exchange, and ensuring effective heat dissipation.

In the present invention, in actual use, the powdery magnesium dihydrogen stored inside the feeding box 3 is timely and quantitatively filled into the reaction box 5 by means of the feeding pipe 9, and the magnesium dihydrogen will react with the water flow in the reaction box 5 at a normal temperature, so as to generate hydrogen and magnesium hydroxide, and the hydrogen will be injected into the fuel cell 2 by means of the hydrogen adding pipe 10, so as to realize effectively supply hydrogen to the fuel cell 2. The oxygen adding pipe 11 injects oxygen inside the fuel cell 2, so as to realize the reactive power supply of the fuel cell 2, the high-temperature water vapor produced by the reaction is discharged from by means of the drain pipe 12, and the excess hydrogen is led out by means of the hydrogen return pipe 13, thus ensuring the smooth power supply of the fuel cell 2, and the solid magnesium dihydrogen supplies hydrogen without performing compressing on the hydrogen, thus being more secure and more reliable; High-temperature water vapor is inlet into the water collecting box 7 by means of a drain pipe 12, and will pass through the heat absorption box 4 during the process, thus transferring heat to a dichloromethane solution, such that the water vapor is liquefied into a water flow, which is pushed by the subsequent air flow to enter the water collecting box 7 for storage.

Excess hydrogen is injected into the hydrogenation adding pipe 10 by means of the hydrogen reflux pipe 13, so as to realize the full utilization of hydrogen, and the heat will be absorbed by dichloromethane during the transfer process, thus avoiding overheating reaction and realizing the recycling of a fuel cell reaction product; and the heat absorption box 4 will also absorb the heat produced by the reaction inside the reaction box 5, thus accelerating gasification itself.

The gasified dichloromethane will enter the driving boxes 22 on one side by means of the air outlet pipe 23, then be transferred to the driving boxes 22 on the other side by means of the cooling pipe 25, and finally be returned to the heat absorption box 4 by means of the reflux pipe 24. During the process, the air flow is cooled by the cooling liquid in the heat dissipation box 6, thus transforming from a gaseous state to a liquid state, thus realizing the cyclic heat absorption of dichloromethane.

During the process of a fluid passes through the driving boxes 22, same will push the rotating blade 27 to rotate, then drive the rotating shaft 26 to rotate, such that a stirring blade 28 rotates continuously, such that the solid-liquid reaction inside the reaction box 5 can be stirred efficiently, thus improving the overall reaction rate and ensuring the effectiveness of hydrogen supply; after the water flow in the water collecting box 7 has accumulated to a certain amount, the floating plate 14 will be moved up by buoyancy, thus driving the ejector pin 15 to move up, such that the ejector pin 15 is separated from the reflux pipe 16, such that the water flow inside the water-collecting box 7 can enter into the reaction box 5 by means of a water-reflux pipe 16, thus supplementing the water continuously consumed by the reaction and ensuring continuous performing of the hydrogen supply reaction.

Moreover, the air at an upper portion of the water-collecting box 7 cannot enter into the reaction box 5 when the water flow is added in a small amount for many times, thus ensuring the degree of purity of hydrogen supply in the reaction box 5 and improving the energy supply effect.

After a period of reaction, the valve inside the acid adding pipe 19 is opened, and the hydrochloric acid inside the impurity removal box 8 enters the reaction box 5 under the push of the push plate 18, so as to perform a neutralization reaction with magnesium hydroxide particles inside the reaction box 5, eliminates solid particles while producing water, and when the hydrochloric acid is injected, the solution around the acid-base sensor 20 is acidic, such that the valve will be started to close the cooling pipe 25, thereby stopping the stirring of the stirring blade 28. Ensure that the acid liquor at the bottom portion reacts fully with magnesium hydroxide, and after the reaction, the solution is neutral.

At this time, an internal

? LU501918 valve of the liquid discharge pipe 21 is opened to discharge a certain amount of the reacted products, thus ensuring that the inside of the reaction box 5 will not be filled due to long-term reaction, and ensuring enough reaction space. After the acid reaction is completed, the solution in the reaction box 5 re-presents weak alkalinity because of the presence of magnesium hydroxide, a product of magnesium dihydrogen. Therefore, the acid-base sensor 20 detects and transmits a signal, closes the liquid discharge pipe 21 and opens the cooling pipe 25, so as to realize orderly liquid discharge and ensure the continuous reaction. The discharged solution contains magnesium ions, which can be used for agricultural fertilizer without causing environmental pollution.

The foregoing descriptions are merely preferred embodiments of the present invention, but are not intended to limit the present invention. Any modification, equivalent replacement, improvement, or the like made within the spirit and principle of the present invention should fall within the protection scope of the present invention.

Claims (4)

1. A hydrogen energy power supply apparatus based on a magnesium-based material, comprising a mounting frame (1) and a fuel cell (2) fixed on a side wall of the mounting frame (1), and characterized in that a heat absorption box (4) 1s fixed on a side wall of the fuel cell (2), a reaction box (5) is fixed on a side wall of the heat absorption box (4), a feeding box (3) and a heat dissipation box (6) are fixed on a side wall of the mounting frame (1), a feeding pipe (9), which is communicated with the inside of the reaction box (5), is provided on a side wall of the feeding box (3) in a penetrating manner, a water-collecting box (7) and an impurity removal box (8) are fixed on a side wall of the heat dissipation box (6), a hydrogen adding pipe (10), an oxygen adding pipe (11), a drain pipe (12) and a hydrogen reflux pipe (13) are inserted into an end portion of the fuel cell (2), wherein the hydrogen adding pipe (10) is communicated with the inside of the reaction box (5), the hydrogen reflux pipe (13) penetrates through the heat absorption box (4) and is communicated with the inside of the hydrogen adding pip (10), a one-way valve is arranged inside the hydrogen reflux pipe (13), and the drain pipe (12) penetrates through the heat absorption box (4) and is communicated with the inside of the water-collecting box (7), a water-reflux pipe (16), which is communicated with the inside of the reaction box (5), is provided on a bottom portion of the water-collecting box (7) in a penetrating manner; two driving boxes (22) are fixed on two side walls of the reaction box (5), and an air outlet pipe (23) and a reflux pipe (24), which are respectively communicated with the two driving boxes (22), are provided on a side wall of the heat absorption box (4) in a penetrating manner, the two driving boxes (22) are jointly connected to a cooling pipe (25), wherein the cooling pipe (25) penetrates through the heat dissipation box (6), a driving mechanism is arranged inside the driving boxes (22), a quantitative water adding mechanism is arranged inside the water-collecting box (7), and an acid supplying mechanism is arranged inside the impurity removal box (8).

2. The hydrogen energy power supply apparatus based on a magnesium-based material according to claim 1, characterized in that the quantitative water adding mechanism comprises

I LU501918 a floating plate (14) slidably connected to the inner wall of the water-collecting box (7), wherein an ejector pin (15) is fixed on a bottom portion of the floating plate (14), and a bottom portion of the ejector pin (15) 1s inserted inside the water-reflux pipe (16) and blocks the water-reflux pipe (16).

3. The hydrogen energy power supply apparatus based on a magnesium-based material according to claim 1, characterized in that the acid supplying mechanism comprises a push plate (18) connected to a bottom portion of the impurity removal box (8) by means of a push spring (17), wherein the push plate (18) 1s slidably connected to the inner wall of the impurity removal box (8) in a sealing manner, an acid adding pipe (19), which is communicated with the inside of the reaction box (5), is provided on a side wall of the impurity removal box (8) in a penetrating manner, an electromagnetic valve, which is opened and closed at a fixed time, is arranged inside of the acid adding pipe (19), hydrochloric acid is filled inside of the impurity removal box (8), two acid-base sensors (20) are fixed at a bottom portion of the reaction box (5), inner walls of the cooling pipe (25) and a liquid discharge pipe (21) are both provided with an electric control valve, wherein the electric control valve is controlled by an electrical signal transmitted by the acid-base sensors (20).

4. The hydrogen energy power supply apparatus based on a magnesium-based material according to claim 1, characterized in that the driving mechanism comprises a rotating shaft (26) rotationally connected to a side wall of the driving boxes (22) in a penetrating and sealing way, wherein one end of the rotating shaft (26) that is away from the driving boxes (22) penetrates through the side wall of the reaction box (5) and extends into the reaction box (5), a plurality of rotating blades (27) are fixed on a circumferential side wall of a section, which is located inside the driving boxes (22), of the rotating shaft (26), a plurality of stirring blades (28) are fixed on the circumferential side wall of a section, which is located inside the reaction box (5), of the rotating shaft (26), the air outlet pipe (23) and the reflux pipe (24) are internally provided with a one-way valve, dichloromethane is filled inside of the heat absorption box (4), a cooling liquid is filled inside of the heat dissipation box (6), and a section, which is located inside the heat dissipation box (6), of the cooling pipe (25) is helical.