CN215479718U - Plasma fuel reforming hydrogen production device - Google Patents
Plasma fuel reforming hydrogen production device Download PDFInfo
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- CN215479718U CN215479718U CN202121486503.6U CN202121486503U CN215479718U CN 215479718 U CN215479718 U CN 215479718U CN 202121486503 U CN202121486503 U CN 202121486503U CN 215479718 U CN215479718 U CN 215479718U
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Abstract
The utility model provides a plasma fuel reforming hydrogen production device, and relates to the technical field of fuel reforming. The plasma fuel reforming hydrogen production device comprises a reforming reaction cavity (1) and a box body (3), the reforming reaction cavity (1) is arranged in the box body (3), a plasma power supply (2) is arranged below the reforming reaction cavity (1), a fuel gas inlet pipe (4) is arranged on the reforming reaction cavity (1), an auxiliary gas inlet pipe (6), a waste gas exhaust pipe (9) and a hydrogen exhaust pipe (11), a control valve I (5) is arranged on the fuel gas inlet pipe (4), a control valve II (7) and a pressure detection device (8) are arranged on the auxiliary gas inlet pipe (6), a control valve III (10) is arranged on the waste gas exhaust pipe (9), and a hydrogen screening film (12) is arranged on the hydrogen exhaust pipe (11). The utility model has simple structure, small volume and low energy consumption, and solves the technical problems of large volume and high energy consumption of the fuel oil reforming device.
Description
Technical Field
The utility model relates to the technical field of fuel reforming, in particular to a plasma fuel reforming hydrogen production device.
Background
The reforming reaction is a process of taking fuel oil of C6-C11 as a raw material, rearranging hydrocarbon molecules under certain operating conditions and the action of a catalyst, rearranging cycloalkanes, converting cycloalkanes and alkanes into aromatic hydrocarbons and isoparaffins, and simultaneously generating hydrogen.
The reforming reactor is a device for performing catalytic reforming, and is classified into a semi-regenerative reformer and a continuous regenerative reformer according to the type of the reactor, the semi-regenerative reformer employs a fixed bed reactor, and the continuous regenerative reformer employs a moving bed reactor. From the viewpoint of reactor structure, the industrial reforming reactor mainly has two types of structures, an axial type reactor and a radial type reactor. The main difference between them is the different gas flow patterns and the different bed pressure drop
The plasma technology is a high-efficiency molecular activation means, the plasma is a substance fourth state different from solid, liquid and gas, comprises free electrons, positive ions, negative ions, excited states, free radicals, neutral particles and the like, is neutral as a whole, and can be divided into low-temperature plasma and high-temperature plasma according to different temperatures of heavy particles in the plasma. In the plasma state, the generation rate and the external temperature of active hydrogen free radicals can be regulated, and molecules to be reacted are placed in a discharge area of the plasma, so that the reaction activity and the reaction degree are improved.
Patent CN109847673A discloses a method for heavy oil lightening by using arc discharge plasma under atmospheric pressure, which is characterized in that an arc discharge form is adopted to reduce heavy oil coking, increase free radical generation efficiency and improve energy conversion efficiency.
In patent CN104477848A, a method for producing hydrogen by reforming fuel oil of an engine with plasma is disclosed, wherein fuel oil of the engine is atomized and then tangentially introduced into a plasma generator comprising a central electrode, a polytetrafluoroethylene layer, an outer electrode, a cylinder outer wall, a feed inlet and an air outlet; the high voltage is applied to the electrode in the plasma generator to generate non-thermal arc plasma, the plasma induces fuel oil to generate reforming chemical reaction to generate hydrogen-rich gas which can be directly introduced into a combustion engine to realize combustion supporting, improve combustion efficiency and obviously reduce fuel consumption and emission of pollution gas such as NOx. The main parts of the patent are metal and insulating materials, the equipment investment is less, and the generated non-thermal arc plasma can greatly reduce the specific electric energy consumption and electrode loss, so that the vehicle-mounted low-cost hydrogen production can be realized.
In patent CN106256759A, an automatic manufacturing method of automobile engine and its hydrogen environment-friendly energy-saving device are disclosed: the device comprises a water tank, a water pump, an electromagnetic valve, an engine exhaust pipe, a moisture evaporator, a metal catalyst, an electric heater, a temperature sensor, an intelligent controller, a plasma power supply, a plasma catalyst, a flame arrester, an engine intake pipe, a hydrogen spray pipe, a rotation speed sensor and an oxygen sensor. The method utilizes the exhaust waste heat of the engine to heat the mixed solution of water and methanol into steam, rapidly decomposes the steam into hydrogen and hydroxide ions by a comprehensive method of noble metal catalyst and plasma electrochemical catalysis, and sends the hydrogen and the hydroxide ions into an engine combustion chamber to do work after mixing with air, thereby achieving the aims of increasing or replacing partial fuel oil and increasing oxygen and greatly improving the energy-saving and emission-reducing indexes of the automobile engine.
The plasma fuel reforming device comprises a fuel supply device, a gas distribution device, a gas supply main valve, a plasma reactor, a gas outlet valve, a power supply and a detection device, is reasonable in arrangement, has good sealing performance, and can accurately control the air tightness and the pressure of the device, so that the whole device can keep the pressure of 0.1-3MPa required by the application; the first branch and the second branch are used as fuel supply devices when the gas fuel is reformed, and the fourth branch is used as gas-liquid fuel, so that the device provided by the patent can carry out reforming reaction of the gas fuel and the gas-liquid fuel; the high-voltage power supply is arranged, so that the plasma fuel reforming device disclosed by the patent can generate plasma at a temperature of less than 2000 ℃ in a high-voltage state, favorable conditions are created for fuel reforming, and the conversion efficiency of the fuel reforming is promoted.
The patent CN112723308A discloses a method for chain hydrogen production by plasma catalysis of hydrocarbon fuel, which comprises sliding arc plasma catalysis and chain hydrogen production, wherein the sliding arc plasma catalysis is carried out in a sliding arc plasma catalytic reactor, and the sliding arc plasma catalysis process comprises two stages of sliding arc plasma reforming and thermocatalytic reforming; the chain type hydrogen production process is carried out in a chain type hydrogen production reactor, and a Ni/Fe oxygen carrier is used as an oxygen carrier in the chain type hydrogen production process; the chain type hydrogen production process comprises three stages of catalytic reduction of the Ni/Fe oxygen carrier, hydrogen production and oxidation, and the carbon hydrocarbon fuel plasma catalytic chain type hydrogen production is completed. According to the hydrocarbon fuel plasma chained hydrogen production technology, the two reactors can complete the catalytic reforming hydrogen production of the hydrocarbon fuel, the flow of the catalytic reforming hydrogen production of the hydrocarbon fuel is shortened, the miniaturization and the high efficiency of the hydrocarbon fuel reforming hydrogen production equipment are realized, the chained hydrogen production technology and the sliding arc plasma catalytic technology are combined, and the preparation of high-purity hydrogen and the capture of the hydrocarbon fuel reforming waste gas CO2 are realized.
Nowadays, researches and developments of exhaust gas purification systems and noise abatement of diesel engines, gas (cng/lpg) engines and gasoline engines are receiving more and more attention from countries and users. Under the background that the country vigorously develops the circular economy, walks the industrialization road of sustainable development and strives to improve the environmental quality, the plasma fuel reforming hydrogen production technology will be an important development direction in the future.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a plasma fuel oil reforming hydrogen production device. The technical problems of large volume and high energy consumption of the fuel reforming device are solved by arranging the reforming reaction cavity, the box body with the heat insulation layer, the fuel gas inlet pipe, the auxiliary gas inlet pipe, the waste gas exhaust pipe and the hydrogen exhaust pipe.
The purpose of the utility model is realized by the following technical scheme:
the utility model provides a plasma fuel reforming hydrogen plant, includes reforming reaction chamber and box, wherein:
the reforming reaction cavity is arranged in the box body;
a plasma power supply is arranged below the reforming reaction cavity;
the reforming reaction cavity is provided with a fuel gas inlet pipe, an auxiliary gas inlet pipe, a waste gas exhaust pipe and a hydrogen gas exhaust pipe;
a first control valve is arranged on the fuel gas inlet pipe;
a second control valve is arranged on the auxiliary gas inlet pipe, and a pressure detection device is arranged between the second control valve and the reforming reaction cavity;
a third control valve is arranged on the waste gas exhaust pipe;
and a hydrogen screening membrane is arranged on the hydrogen exhaust pipe.
Optionally or preferably, a heat insulation layer is arranged in the box body.
Optionally or preferably, the fuel gas inlet pipe is filled with high-temperature fuel gas with water vapor.
Optionally or preferably, the auxiliary gas introduced into the auxiliary gas inlet pipe is argon.
Optionally or preferably, a condensing device is further arranged on the hydrogen exhaust pipe.
Based on the technical scheme, the following technical effects can be generated:
the plasma fuel reforming hydrogen production device provided by the utility model is suitable for reforming hydrogen production of diesel oil and gasoline on an internal combustion engine. The fuel reforming device is simple in structure, small in size and low in energy consumption, is provided with the box body with the heat insulation layer and the auxiliary gas inlet pipe capable of conveying gas at high pressure, can reduce energy consumption required by reforming reaction by improving the temperature of the reforming reaction cavity through heat insulation and improving the pressure of the reforming reaction cavity through inputting the copy gas, and solves the technical problems of large size and high energy consumption of the fuel reforming device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1-reforming reaction cavity, 2-plasma power supply, 3-box, 4-fuel gas inlet pipe, 5-control valve I, 6-auxiliary gas inlet pipe, 7-control valve II, 8-pressure detection device, 9-waste gas outlet pipe, 10-control valve III, 11-hydrogen outlet pipe and 12-hydrogen screening membrane.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1:
the embodiment provides a plasma fuel reforming hydrogen production device, which comprises a reforming reaction cavity 1 and a box body 3, wherein:
the reforming reaction cavity 1 is arranged in the box body 3;
a plasma power supply 2 is arranged below the reforming reaction cavity 1;
the reforming reaction cavity 1 is provided with a fuel gas inlet pipe 4, an auxiliary gas inlet pipe 6, a waste gas exhaust pipe 9 and a hydrogen gas exhaust pipe 11;
a first control valve 5 is arranged on the fuel gas inlet pipe 4;
a second control valve 7 is arranged on the auxiliary gas inlet pipe 6, and a pressure detection device 8 is arranged between the second control valve 7 and the reforming reaction cavity 1;
a third control valve 10 is arranged on the waste gas exhaust pipe 9;
the hydrogen exhaust pipe 11 is provided with a hydrogen screening membrane 12, so that the filtering can be realized without energy consumption.
In this embodiment, a heat insulation layer is provided in the box body 3.
In this embodiment, high-temperature fuel gas with water vapor is introduced into the fuel gas inlet pipe 4, and the high-temperature fuel gas in the internal combustion engine can directly enter the reforming reaction cavity 1 to participate in the reforming reaction.
In this embodiment, the auxiliary gas introduced into the auxiliary gas inlet pipe 6 may be argon gas.
The embodiment has the following advantages:
1. the structure is simple, the volume is small, and the device can be arranged in a small automobile;
2. the energy consumption is low, the box body with the heat insulation layer and the auxiliary gas inlet pipe capable of conveying gas at high pressure are arranged, the temperature of the reforming reaction cavity can be improved through heat insulation, the pressure of the reforming reaction cavity is improved through conveying copy gas, and the energy consumption required by reforming reaction can be reduced.
Example 2:
the embodiment provides a plasma fuel reforming hydrogen production device, which comprises a reforming reaction cavity 1 and a box body 3, wherein:
the reforming reaction cavity 1 is arranged in the box body 3;
a plasma power supply 2 is arranged below the reforming reaction cavity 1;
the reforming reaction cavity 1 is provided with a fuel gas inlet pipe 4, an auxiliary gas inlet pipe 6, a waste gas exhaust pipe 9 and a hydrogen gas exhaust pipe 11;
a first control valve 5 is arranged on the fuel gas inlet pipe 4;
a second control valve 7 is arranged on the auxiliary gas inlet pipe 6, and a pressure detection device 8 is arranged between the second control valve 7 and the reforming reaction cavity 1;
a third control valve 10 is arranged on the waste gas exhaust pipe 9;
the hydrogen exhaust pipe 11 is provided with a hydrogen screening membrane 12, so that the filtering can be realized without energy consumption.
In this embodiment, a heat insulation layer is provided in the box body 3.
In this embodiment, high-temperature fuel gas with water vapor is introduced into the fuel gas inlet pipe 4, and the high-temperature fuel gas in the internal combustion engine can directly enter the reforming reaction cavity 1 to participate in the reforming reaction.
In this embodiment, the auxiliary gas introduced into the auxiliary gas inlet pipe 6 may be argon gas.
In this embodiment, the hydrogen exhaust pipe 11 is further provided with a condensing device.
The embodiment has the following advantages:
1. the structure is simple, the volume is small, and the device can be arranged in a small automobile;
2. the energy consumption is low, the box body with the heat insulation layer and the auxiliary gas inlet pipe capable of conveying gas at high pressure are arranged, the temperature of the reforming reaction cavity can be improved through heat insulation, the pressure of the reforming reaction cavity can be improved through inputting replication gas, and the energy consumption required by reforming reaction can be reduced;
3. the water vapor can participate in the reaction repeatedly.
The working process of the plasma fuel reforming hydrogen production device provided by the utility model is as follows:
when the high-temperature fuel gas carries out reforming reaction, a control valve I5 is opened, the high-temperature fuel gas is input into the reforming reaction cavity 1 from a fuel gas inlet pipe 4, a proper amount of argon is introduced from an auxiliary gas inlet pipe 6 according to the air pressure displayed by a pressure detection device 8, plasma is generated in the reforming reaction cavity 1 under the energy supply of a plasma power supply 2, the fuel carries out reforming reaction under the action of a catalyst to generate hydrogen, the hydrogen can be discharged from a hydrogen gas exhaust pipe 11 through a hydrogen screening membrane 12, and the rest gas is discharged from an exhaust gas exhaust pipe 9.
Claims (5)
1. A plasma fuel reforming hydrogen production device is characterized in that: comprises a reforming reaction cavity (1) and a box body (3), wherein:
the reforming reaction cavity (1) is arranged in the box body (3);
a plasma power supply (2) is arranged below the reforming reaction cavity (1);
the reforming reaction cavity (1) is provided with a fuel gas inlet pipe (4), an auxiliary gas inlet pipe (6), a waste gas exhaust pipe (9) and a hydrogen gas exhaust pipe (11);
a first control valve (5) is arranged on the fuel gas inlet pipe (4);
a second control valve (7) is arranged on the auxiliary gas inlet pipe (6), and a pressure detection device (8) is arranged between the second control valve (7) and the reforming reaction cavity (1);
a third control valve (10) is arranged on the waste gas exhaust pipe (9);
and a hydrogen screening membrane (12) is arranged on the hydrogen exhaust pipe (11).
2. The plasma fuel reforming hydrogen production device according to claim 1, characterized in that: a heat insulation layer is arranged in the box body (3).
3. The plasma fuel reforming hydrogen production device according to claim 1, characterized in that: high-temperature fuel gas with water vapor is introduced into the fuel gas inlet pipe (4).
4. The plasma fuel reforming hydrogen production device according to claim 1, characterized in that: the auxiliary gas introduced into the auxiliary gas inlet pipe (6) can be argon.
5. The plasma fuel reforming hydrogen production device according to claim 1, characterized in that: and a condensing device is also arranged on the hydrogen exhaust pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121486503.6U CN215479718U (en) | 2021-07-01 | 2021-07-01 | Plasma fuel reforming hydrogen production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121486503.6U CN215479718U (en) | 2021-07-01 | 2021-07-01 | Plasma fuel reforming hydrogen production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215479718U true CN215479718U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121486503.6U Active CN215479718U (en) | 2021-07-01 | 2021-07-01 | Plasma fuel reforming hydrogen production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215479718U (en) |
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2021
- 2021-07-01 CN CN202121486503.6U patent/CN215479718U/en active Active
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