JP2001040373A - Synthetic gas production, production apparatus, power system, and moving body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a synthetic gas production process, a synthetic gas production apparatus, a power system, and a moving body, all for enabling the mass- production of a synthetic gas, as a new energy, in a required amount at a time when it is necessary, highly efficiently from a carbon material and low-cost water. SOLUTION: In a easing 62, a neutral electrode 74 is arranged together with concentrically arranged carbon-containing multiphase alternating current electrodes 76, 78, and 80 to form a reaction zone Z4. A multiphase alternating current is supplied to the multiphase alternating current electrodes 76, 78, and 80 to generate a plasma arc in a plurality of reaction zones and to generate steam from water while periodically changing the position of plasma arc generation, Thus generated steam is subjected to the catalytic reaction with carbon of the electrodes to give a CO-rich synthetic gas.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for producing a hydrogen-rich gas, and more particularly to a method, an apparatus and a power system for producing a syngas usable as new energy, and a moving body using the same.

[0002]

2. Description of the Related Art New energy has been sought as an effective countermeasure against the finite nature of petroleum resources, air pollution from automobiles and industry, and global warming due to carbon dioxide emissions. Have been. Conventionally, alkaline electrolysis,
High temperature steam electrolysis and pyrolysis have been proposed,
Either method was inefficient and therefore extremely expensive compared to fossil fuels. The development of hydrogen energy technology in other countries is based on German SWB (Solar Wa
sserstoff Byern) project and HY
The SOLAR project and the EU-Canada joint project EQHHPP (Euro Qubec H
ydro-Hydrogen Pilot Project
ct) The plan was launched and the development of hydrogen technology was activated. In Canada, in addition to the EQHHPP program, the Canadian government
(Hydrogen R & D Program)
ral Resource of Canada (NR
Can). In the United States, research and development with the support of the Department of Energy (DOE) has been carried out, and HTAP (Hydrogen Technical)
The Hydrogen Program is being promoted with the cooperation of the Advisory Panel, industry, and academic societies. However, a revolutionary production method and production apparatus for producing new energy corresponding to the depletion of fossil fuels have not been put to practical use. 2. Description of the Related Art In recent years, development of a method and an apparatus for producing a synthesis gas containing a high concentration of hydrogen and carbon monoxide as fuel for a mobile engine as a new energy has been spotlighted.

In US Pat. No. 5,159,900, two carbon rod electrodes are arranged in water in a tank so as to face each other, and a plasma arc is generated at these electrodes to oxidize the carbon of the electrodes. COH for automotive engine
_2. Methods, apparatus and power systems for producing synthesis gas have been proposed. U.S. Patent Nos. 5,435,274 and 5,692,549 disclose that two carbon electrodes are placed in water so that the tips are close to each other, and a plasma arc is generated between these electrodes to separate carbon. Methods, apparatus and power systems for producing synthesis gas by oxidation have been proposed.

[0004]

[Problems to be solved by the invention] In the prior art,
Since the carbon electrode rod is immersed in water and the arc is generated only between the sharp and limited tips of the two electrodes, the generation region (reaction region) of the plasma arc is extremely narrow. Therefore, the contact reaction region between the plasma arc and water is extremely small, and the amount of generated hydrogen is small. Therefore, conventional synthesis gas production equipment cannot instantaneously produce the required amount of synthesis gas on demand.
It could not be put to practical use as a clean fuel for mobile equipment such as ships, agricultural machines, construction machines, space probes, power systems thereof, and industrial equipment such as large power plants.
Furthermore, the efficiency of the conventional apparatus is poor, and it has not been possible to industrially mass-produce synthesis gas as new energy in response to the depletion of fossil fuels.

An object of the present invention is to solve the problem of depletion of fossil fuels and to provide a synthesis gas production method, a production apparatus, a power system, and a mobile body that can be used as new energy and as a raw material for the chemical industry. I do.

Another object of the present invention is to provide a synthesis gas production method and apparatus capable of instantaneously producing a required amount of clean synthesis gas on demand.

Another object of the present invention is to provide a method and an apparatus for producing a synthesis gas that enables industrial mass production of low-cost synthesis gas using inexpensive water and a carbon-containing material as raw materials.

Another object of the present invention is to provide a compact, high-performance, low-cost, highly reliable synthesis gas production apparatus.

Another object of the present invention is to provide a syngas production method, a production apparatus and a power which can be used for a mobile object such as an automobile, a ship, an aircraft, an agricultural machine, a construction machine, a space probe, and an industrial device such as a power plant. The purpose is to provide a system.

[0010]

Means for Solving the Problems In the first invention of the present application, a method for producing a synthesis gas includes a step of arranging a carbon-containing multiphase AC electrode in a casing and forming a plurality of reaction zones along the electrodes. A step of supplying multi-phase AC power to the electrodes to simultaneously generate plasma arcs in a plurality of reaction zones, and supplying water to the reaction zones to generate steam,
Producing a synthesis gas by contacting and reacting with carbon of the electrode in the presence of a plasma arc in a plurality of reaction zones.

In the second invention of the present application, the synthesis gas production method comprises the steps of arranging a counter electrode in a casing and forming a reaction zone therebetween, filling the reaction zone with a carbon-containing material, and energizing the counter electrode. Generating a plasma arc in the reaction zone, and introducing water into the reaction zone to generate steam, which is contact-reacted with a carbon-containing material in the presence of the plasma arc to generate a synthesis gas. And a process.

In the third invention of the present application, the synthesis gas production apparatus has a casing having an inlet for introducing water and an outlet for discharging the synthesis gas, and a plurality of reaction zones arranged in the casing between the inlet and the outlet. A carbon-containing polyphase AC electrode arranged along the line, and a polyphase AC power supply for supplying a polyphase AC power to the polyphase AC electrode to generate a plasma arc in a plurality of reaction zones, wherein water is supplied in the reaction zone. This is achieved by changing to steam and reacting with the carbon of the electrode in the presence of a plasma arc to produce synthesis gas.

In the fourth invention of the present application, the synthesis gas production device has a casing having an inlet for introducing water and an outlet for discharging the synthesis gas, and is disposed in the casing to form a reaction zone therebetween. A counter electrode, a carbon-containing material filled in the reaction zone, and a power supply for generating a plasma arc in the reaction zone by energizing between the counter electrodes, wherein water contacts the carbon-containing material in the reaction zone. It is achieved by becoming steam and the steam contacting and reacting with the carbon-containing material in the presence of the plasma arc to produce synthesis gas.

In the fifth invention of the present application, the synthesis gas production apparatus includes a water supply source, a synthesis gas production apparatus that generates synthesis gas from water, a motor that is driven by combustion of the synthesis gas to generate a mechanical output, and a motor that A multi-phase AC power source to be driven, and the syngas production apparatus includes a carbon-containing multi-phase AC electrode forming a plurality of reaction zones. This is achieved by generating a plasma arc in the zone and in the presence of the plasma arc water reacts in contact with the carbon of the electrode to produce synthesis gas.

In the sixth invention of the present application, the power system is driven by a water supply source, a synthesis gas production device that generates synthesis gas from water, a motor that is driven by combustion of the synthesis gas to generate a mechanical output, and a motor that is driven by the motor. The pyrolysis apparatus includes a counter electrode forming a reaction zone, and a carbon-containing material filled in the reaction zone. When a power source is connected to the counter electrode, a plasma arc is generated in the gap of the carbon-containing material. Which causes the water to steam and
It is achieved by reacting steam with a carbon-containing material in the presence of a plasma arc to produce synthesis gas.

In the seventh invention of the present application, the power system is driven by a water supply source, a synthesis gas production device that generates synthesis gas from water, a motor that is driven by combustion of the synthesis gas to generate a mechanical output, and a motor that is driven by the motor. A multi-phase AC power supply, and the synthesis gas production apparatus includes a carbon-containing multi-phase AC electrode forming a plurality of reaction zones. This is achieved by generating a plasma arc, and in the presence of the plasma arc, water becomes steam and reacts with the carbon of the electrode to react and produce synthesis gas.

In the eighth invention of the present application, the moving body includes a water supply source, a synthesis gas production device configured to generate synthesis gas from water,
A prime mover driven by the combustion of the synthesis gas to generate a mechanical output, and a power supply driven by the prime mover, a pyrolysis device includes a counter electrode forming a reaction zone, and a carbon-containing material filled in the reaction zone. By connecting a power supply to the counter electrode, a plasma arc is generated in the gap of the carbon-containing material, whereby water is turned into steam, and the steam is contacted and reacted with the carbon-containing material in the presence of the plasma arc to synthesize gas. Achieved by generating.

[0018]

According to the method, the production apparatus, the power system and the moving body of the present invention, a counter electrode is arranged in a casing having an inlet for introducing water and an outlet for extracting syngas, and a reaction zone is provided between these electrodes. Is formed, the reaction zone is filled with a carbon-containing material, electricity is supplied to the electrodes, a plasma arc is generated between the electrodes, and water is steamed in the presence of the plasma arc to cause a contact reaction with the carbon-containing material. As a result, it is possible to mass-produce synthesis gas instantaneously. In another invention, a plurality of reaction zones are formed by arranging a carbon-containing multiphase AC electrode in a casing, and a plurality of plasma zones are simultaneously formed in a plurality of reaction zones by supplying multiphase AC power to the multiphase AC electrode. A large amount of ionized gas is generated while moving this plasma region at a high speed to facilitate plasma generation, and the reaction between steam and the carbon of the electrode is brought into contact with each other to enable instant mass production of synthesis gas. is there.

[0019]

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. 1 and 2 show a first preferred embodiment of a synthesis gas production apparatus 10 for carrying out the synthesis gas production method of the present invention. The synthesis gas production device 10 is
And a casing 16 having an outlet 14 for discharging the synthesis gas G. The casing 16 houses an annular insulating member 18, in which a circular neutral electrode 22 and a segmented polyphase AC electrode 24 for forming a reaction chamber 20 including a plurality of reaction zones Z 1, Z 2, and Z 3. 26 and 28 are provided. 2 and 3, the multi-phase AC electrodes 24, 26, 2
Numeral 8 is connected to a three-phase AC power source, and a neutral electrode 2
2 are connected. The three-phase AC electrodes 24, 26, and 28 are circumferentially spaced between the inlet 12 and the outlet 14 so as to face the neutral electrode 22, and along the first to third reaction zones Z1. , Z2 and Z3 are formed.
In the first manufacturing method of the present invention, the multi-phase electrodes 24, 26, and 28 and the neutral electrode 22 are made of graphite or a carbon material (carbon electrode). Less than 2%) yttrium oxide and / or
Alternatively, an electrode material such as cerium oxide-containing tungsten, thorium-containing tungsten, hafnium carbide, hafnium nitride, lanthanum hexaboride, and titanium carbide may be used.
The insulating member 18 has a central portion 18 having a quenching chamber 18a inside.
b, the end of which extends to the inner wall of the casing 16. The casing 16 includes a cooling water introduction port 36, a discharge port 38, and a partition member 40.

In FIG. 2, the insulating member 18 has a number of small holes 42 for introducing the water W in the inlet 12 into the reaction chamber 20 and a number of small holes 44 for discharging the synthesis gas to the outlet 14. Prepare. Reaction zones Z1, Z2,
Z3 is filled with a carbon-containing material 42 for increasing the electrode area. The carbon-containing material 42 is formed from a solid or powdered material selected from the group consisting of charcoal, coal, petroleum coke, graphite, carbon, concentrated sewage sludge, and mixtures thereof. Note that the carbon-containing material 42 may be one obtained by depositing carbon on the surface of the catalyst metal. As an example, the catalyst metal may be a simple substance or a nickel-containing magnetite (Fe ₃ O
₄ ) Select from iron oxides such as 300-500 ° C
To activate oxygen-deficient magnetite through hydrogen,
Thereafter, carbon dioxide may be introduced to deposit carbon on the magnetite surface. 1 and 2, the carbon-containing material 4
Numeral 2 consists of carbon balls having a diameter of 3 to 30 mm, which are filled in each reaction zone. Carbon ball 42
A gap g is formed between them, and when a current is supplied to the counter electrode, a plasma arc is generated in the gap g due to a spark. The gap g of the carbon ball 42 functions as a minute reaction path means for passing the steam generated from the inlet 12 into the reaction chamber 20 in contact with the carbon ball. That is, while the steam passes from the inlet 12 to the outlet 14, the steam always enters the gaps g and reacts with the carbon-containing material constituting the gap g in the presence of the plasma arc in the gap g. As a result, a syngas rich in hydrogen and carbon monoxide and containing a small amount of methane is instantaneously produced. As shown in FIGS. 1 and 2, when the counter electrode is formed of a three-phase AC electrode, a potential difference is simultaneously generated between a plurality of electrode pairs according to the phase of the three-phase AC power, and plasma is simultaneously generated in a plurality of reaction zones. An arc occurs. For example, in FIG. 1, in the first step, the first and second reaction zones Z1, Z2
In the second step, a plasma arc is generated.
Plasma arcs are generated in the reaction zones Z1, Z2, Z3, plasma arcs are generated in the first and second reaction zones Z1, Z2 in the third step, and first to third reaction zones Z1, Z2, in the fourth step. A plasma arc is generated in Z3,
In the fifth step, a plasma arc is generated in the second and third reaction zones Z2, Z3, and in the sixth step, a plasma arc is generated in the first to third reaction zones Z1, Z2, Z3. In this way, two reaction zones and three
A plasma arc is generated alternately between the two reaction zones, and a large amount of ionized gas is generated in each reaction zone while the arc generation region moves at high speed in the circumferential direction. for that reason,
As the steam passes through each reaction zone, a plasma arc is reliably generated.

Next, the synthesis gas production method of the present invention will be described with reference to the embodiment shown in FIGS. In the first manufacturing method, a carbon-containing multi-phase AC electrode is arranged in a casing, a plurality of reaction zones are formed along these, and a multi-phase AC power is supplied to the multi-phase AC electrode to simultaneously generate a plurality of reaction zones. A plasma arc is generated, water is supplied to the reaction zone to generate steam, and the steam is contacted and reacted with carbon of the electrode in the plurality of reaction zones in the presence of the plasma arc to generate synthesis gas. In the second manufacturing method, a reaction zone is formed by arranging a counter electrode in a casing, a carbon-containing material is filled in the reaction zone, and a current is applied between the counter electrodes to generate a plasma arc in the reaction zone, thereby forming a steam. Which is contacted with a carbon-containing material in the presence of a plasma arc to generate synthesis gas. NaOH, KO in water
An aqueous alkali solution such as H may be mixed, and seawater may be used as the decomposition water. Hypochlorite and other unnecessary components generated at that time may be separated by a known technique.

FIG. 3 shows a synthesis gas production apparatus 10 ′ according to a second preferred embodiment of the present invention. Synthetic gas production device 10 '
Are first and second inlets 50 and 5 for introducing water W.
2 and a casing 62 provided with a second member 60 having an outlet 54 for discharging the synthesis gas G. The second member 60 is screwed into the first member 58 and supports the cylindrical insulating member 64 therebetween. The first member 58 includes first and second introduction passages 50a and 52a.
, A central opening 66, and an electrode chamber 68 formed between the central opening 66 and the second member 60. A first insulating sleeve 70 and a second insulating sleeve 70 are provided in the central opening 66 and the electrode chamber 68, respectively.
72 are arranged. The first insulating sleeve 70 is an electrode chamber 68
The flange 70a has an opening 70b that communicates with the introduction passages 50a and 52a, respectively. A small-diameter portion 74 a of the central rod-shaped neutral electrode 74 is supported in the sleeve 70. Second insulating sleeve 7
On the inner side of 2, cylindrical multi-phase electrodes 76, 78, 80 which are arranged opposite to the central electrode 74 in the axial direction and form a plurality of reaction zones Z 4, Z 5, Z 6 are supported.
These multi-phase electrodes are the above-mentioned metal electrodes or carbon,
Selected from graphite materials. To insulate these multi-phase electrodes from each other, insulating members 82, 84, 86, 88
Are disposed in the second insulating sleeve 72. Polyphase electrode 7
6, 78 and 80 are terminals 76a, 78a and 80a, respectively.
Through a polyphase AC power supply, for example, the R phase of a three-phase AC power supply,
A neutral electrode 74 is connected to the neutral point of each of the S and T phases. The terminals 76a, 78a, 80a are respectively provided with insulating members 90, 92, 9 fixed to the first member 58.
4 is insulated and protected.

In FIG. 3, the right end of the center electrode 74 is supported by the center of an insulating member 88, and the insulating member 88 has a plurality of gas outlets 88 a formed at equal intervals in the circumferential direction. An annular reaction chamber 90 is formed between the flange 70a of the first insulating sleeve 70 and the insulating member 88. The annular reaction chamber 90 includes reaction zones Z4, Z5, and Z6 arranged at intervals in the axial direction. The reaction zone is filled with a large number of carbon balls 92 as micro reaction path means. In another desirable example, the electrode formed of the above-described carbon material is used, and instead of the carbon ball 92, a silica or silica such as quartz, natural zeolite or the like, or a granular non-conductor of silicon dioxide made of sand is used. good. The silicon dioxide is activated by the plasma arc, decomposes water into hydrogen and oxygen, and partially oxidizes the carbon on the electrode with this oxygen to produce carbon monoxide, producing a synthesis gas rich in hydrogen and carbon monoxide. Is done.
Further, as described later, a mixture of the carbon ball 92 and the granular non-conductor may be mixed at a specific ratio and filled in the reaction zone. Near the end of the electrode 68, a quenching member 94 having the outlet 54 is disposed, and the second member 60 is screwed into the right end thereof to hold the quenching member 94 in a fixed position with respect to the first member 58. I have. The second member 60 has a cooling water supply boat 60a and a discharge port 60b. On the other hand, the quenching member 94 includes a gas quenching chamber 100 communicating with the gas ejection port 88a and the outlet 54, and a cooling chamber 102. The cooling chamber 102 has a supply port 60a
Is continuously supplied as cooling water from the quenching chamber 100
After the gas is rapidly cooled, the pipe 104 is connected through the exhaust port 60b.
Through the first and second inlets 50 and 52 to the reaction chamber 90.
Introduced within. At this time, when three-phase AC power is supplied to the multi-phase electrodes 76, 78, 80, a plurality of reaction zones Z4,
A plasma arc is generated in at least two reaction zones of Z5 and Z6, and water becomes steam and makes contact with the carbon-containing material 92 in the presence of the plasma arc to instantaneously generate a large amount of synthesis gas.

FIG. 4 shows a synthesis gas production apparatus 110 according to a third preferred embodiment of the present invention. Syngas production equipment 1
10 is a water supply tank 112, a pump 114 for supplying water under pressure, and an inlet 116 for introducing water W.
And outlet 118 for taking out synthesis gas G
Is provided. Casing 120
A cup-shaped insulating member 122 is housed therein, and the insulating member 1
A cooling part 124 is formed between the outer wall of the casing 22 and the opposed inner surface of the casing 120, in which cooling water C is circulated to cool the inside of the apparatus. At the center of the insulating member 122, a neutral electrode 126 formed of a hollow sleeve having an upper end formed as an inlet 116, and three-phase AC cylindrical electrodes 128, 130 arranged at an axial interval with respect to the neutral electrode 126. , 132 are arranged concentrically. Cylindrical electrodes 128, 130, 13
The first to third reaction zones Z7, Z8, Z9 are formed adjacent to the second reaction zone. The first to third reaction zones Z7, Z8, Z9 are defined by insulating porous partition plates 134, 136, 138 supported by cylindrical electrodes 128, 130, 132, respectively. In each reaction zone, granular conductors 140 and 14 made of carbon balls are used as minute reaction path means.
2, 144 and the above-mentioned granular non-conductor 14 made of silicon dioxide.
The mixture with 0 ', 142', 144 'is filled. The mixing ratio between the granular conductor and the granular nonconductor is 1: 1.5 to 1.5:
A range of 1 is desirable. Due to this mixing ratio, a plasma arc is easily generated in the reaction zone, and silicon dioxide also efficiently functions as a water splitting catalyst, so that a synthesis gas rich in hydrogen and carbon monoxide is efficiently generated. . A quenching chamber 120a is arranged at an upper portion of the casing 120 adjacent to the outlet 118, and quenching means 146 is housed therein. The first end of the neutral electrode 126
It has a plurality of nozzles 126a which are open to the reaction zone Z7 and inject pressurized water into that portion.
a may be formed so as to open also to the second and third reaction zones Z8 and Z9.

In FIG. 4, the cylindrical electrodes 128 and 13
0 and 132 are the R phases of the Y-connected three-phase AC power supply 150;
The neutral electrode 126 is connected to the neutral point N of the three-phase AC power supply 150, respectively. When the electrodes 128, 130, 132 are energized through switch means (not shown), the first to third reaction zones Z7, Z7,
Plasma arcs are generated in at least two reaction zones out of Z8 and Z9, and the two plasma arc generation regions are periodically moved sequentially into the first to third reaction zones. At this time, when water is injected into the first reaction zone Z7, the water comes into contact with the surface of the minute reaction path means 140 and becomes steam, and the steam passes through the minute reaction paths 140a, 142a and 144a, and becomes second steam. And sequentially to the third reaction zone Z9. At this time, the steam reacts with the carbon-containing material and the silicon dioxide in the presence of the plasma arc to instantaneously generate a large amount of synthesis gas. After being quenched in the quenching chamber 120a, the synthesis gas is taken out from the outlet 118 to the outside. Note that a high-frequency AC power supply may be used as the AC power supply.

FIG. 5 shows a synthesis gas production apparatus 160 according to a fourth embodiment of the present invention, and the same parts as those of FIG. In FIG. 5, a synthesis gas production apparatus 1
Numeral 60 denotes an insulating cylindrical member 162, 1 in the insulating member 122.
Disc-shaped four-phase AC four electrodes 168, 170, 172, 174 arranged at intervals in the axial direction via 64, 166
And first to third zones Z7, Z8, Z
9 is formed. The disc-shaped electrodes 170, 172, 174 are respectively provided with a plurality of gas passage holes 170a, 172a, 17
4a. On the other hand, the bottom of the casing 120 and the disc-shaped electrode 168 support the insulating inlet 180 extending into the first zone Z7. The inlet 180 has a plurality of spray nozzles 180a for blowing water into the first zone Z7. In FIG. 5, a four-phase AC power supply 182
Comprises a first set of single-phase transformers TR1, TR2 and a second set of single-phase transformers TR3, TR4. The primary sides of the first and second sets of transformers are connected in parallel, and each secondary side is connected in series to obtain outputs A1-A3 and A2-A4. The contacts are connected in common, and a phase conversion reactance R is inserted and passed in series with the primary side of the first set of transformers, and outputs A2-A4 are obtained from the secondary side. Thus, a four-phase alternating current of A1, A2, A3, and A4 is obtained. Output A
1, A2, A3, and A4 are electrodes 174, 172,
170, 168. The primary side of the transformer TR2 is connected to a commercial single-phase AC power supply 184. In the above configuration, first, the electrodes 174 to 170 are energized, and then the electrode 1
72-168 further include electrodes 174-172, electrode 1
74-168, electrode 172-170, electrode 168-17
0 sequentially energizes, a plasma arc is generated between the electrodes, and the position of the plasma arc sequentially moves. When a commercial frequency is used as a power source, the movement of the plasma arc is performed 25 to 30 times per second. As described above, when the four-phase AC electrodes 168 to 174 are used, the electrode pair in which the plasma arc is generated moves at high speed, and
The water injected into the first zone Z7 becomes steam and has a greater chance of contacting and reacting with a large amount of plasma arc. Further, since a large amount of ionized gas remains in each zone, the arc is not extinguished. Absent. Therefore, highly efficient synthesis gas can be obtained on demand with low power consumption.

FIG. 6 is a schematic diagram of a power system 200 incorporating a syngas production apparatus of the present invention 201. Power system 200 includes a prime mover 202 comprising a heat engine or boiler and a steam turbine. The prime mover 202 receives H ₂ , C from the syngas production apparatus 10.
O-rich fuel is supplied and electricity is supplied from the battery 204. The prime mover 202 generates a mechanical output by burning a mixture of air, H ₂ , and CO. A part of this mechanical output may drive the generator 206 as the power P1, and drive the propulsion means (not shown) via the output shaft of the generator 206 with the remaining power P2. At least a part of the output of the generator 206 is charged in the battery 204 and the
To a syngas producing apparatus 10 which converts the output into, for example, three-phase AC power by an inverter (not shown).
Is designed to supply AC power of a predetermined frequency to the power supply.
A pump 20 is provided in the inlet 12 of the synthesis gas production apparatus 10.
A water tank 210 is connected via 8 and water is supplied. From the outlet 14, H ₂ and CO-rich synthetic fuel gas G is supplied to the prime mover 202, and combusts with air to generate power. The exhaust of the prime mover 202 is an exhaust recirculation device 202.
The water vapor in the exhaust gas can be converted into condensed water by a condenser 216 disposed in a, and can be returned to the inlet 12 via a pump 218. In this case, since the water in the exhaust gas is collected and reused as a raw material of the synthetic fuel, there is an advantage that the water tank 210 can be downsized. Gas components in the exhaust are released to the atmosphere via an exhaust pipe 216a.
The prime mover 202 is a load sensor 2 for outputting a load signal.
The controller 214 outputs a control signal S in response to the load signal to control the rotation speed of the pump 208, thereby adjusting the supply amount of the fuel gas raw material according to the load on the motor 202.

[0028]

According to the present invention, hydrogen and carbon monoxide-rich clean synthesis gas can be mass-produced instantaneously and at low cost using inexpensive water and carbon-containing materials as raw materials. It can be widely used as a fuel for various mobile objects and power plants, and can eliminate the depletion of fossil fuels and greatly contribute to environmental conservation.

[Brief description of the drawings]

FIG. 1 is a sectional view of a synthesis gas production apparatus according to a first preferred embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a sectional view of a synthesis gas production apparatus according to a second preferred embodiment of the present invention.

FIG. 4 is a sectional view of a synthesis gas production apparatus according to a third preferred embodiment of the present invention.

FIG. 5 is a sectional view of a synthesis gas production apparatus according to a fourth preferred embodiment of the present invention.

FIG. 6 is a schematic diagram of a moving object according to the present invention.

[Explanation of symbols]

12 inlets, 14 outlets, 16
Casing, 20 reaction chamber, 22 neutral electrode, 2
4, 26, 28 polyphase electrode, 50, 52 inlet,
54 outlet, 62 casing, 74 neutral electrode, 76, 78, 80 polyphase electrode, 102 quenching chamber, 120 casing, 126 neutral electrode, 12
8, 130, 132 multi-phase electrode, 150 three-phase AC power supply, 168, 170, 172, 174 four-phase AC electrode,
180 inlet, 182 4-phase AC power supply

Claims (23)

[Claims] A step of arranging a carbon-containing multi-phase AC electrode in a casing and forming a plurality of reaction zones along the plurality of reaction zones; and supplying a multi-phase AC power to the multi-phase AC electrode to simultaneously form a plurality of reaction zones. Generating a plasma arc in the
Supplying steam to the reaction zone to generate steam, and causing the steam to contact and react with the carbon of the electrode in the presence of a plasma arc in the plurality of reaction zones to generate a synthesis gas. 2. A step of disposing a counter electrode in a casing to form a reaction zone therebetween, a step of filling a carbon-containing material in the reaction zone, and energizing the counter electrode to generate a plasma arc in the reaction zone. Generating a synthesis gas by introducing water into the reaction zone to generate steam, and contacting this with a carbon-containing material in the presence of a plasma arc to generate a synthesis gas. . 3. A casing having an inlet for introducing water and an outlet for discharging syngas, and a carbon-containing material disposed in the casing between the inlet and the outlet and arranged along a plurality of reaction zones. Equipped with a multi-phase AC electrode and a multi-phase AC power supply that supplies multi-phase AC power to the multi-phase AC electrode to generate a plasma arc in a plurality of reaction zones. A synthesis gas production device that generates a synthesis gas by reacting with the carbon of the electrode below. 4. The synthesis gas production apparatus according to claim 3, further comprising a carbon-containing material filled in the plurality of reaction zones. 5. The method according to claim 4, wherein the carbon-containing material is charcoal,
A synthesis gas production device selected from the group consisting of coal, petroleum coke, graphite, carbon, concentrated sewage sludge, and mixtures thereof. 6. The synthesis gas producing apparatus according to claim 4, further comprising a particulate non-conductor mixed with the carbon-containing material. 7. The synthesis gas production apparatus according to claim 4, wherein the carbon-containing material comprises a granular catalyst metal and carbon deposited on the surface thereof. 8. The synthesis gas production apparatus according to claim 3, wherein the casing further comprises a quenching means disposed between the reaction zone and the outlet. 9. The multi-phase AC power supply according to claim 3, further comprising a neutral electrode disposed in the casing so as to face the polyphase AC electrode, wherein the neutral electrode is connected to a neutral point of the polyphase AC power supply. Syngas production equipment. 10. The synthesis gas production apparatus according to claim 9, wherein the neutral electrode is a circular electrode, and the multi-phase AC electrode is a segment electrode that is spaced apart from the neutral electrode in the circumferential direction. . 11. The multi-phase AC electrode according to claim 9, wherein the multi-phase AC electrode comprises a cylindrical electrode spaced apart in an axial direction, and the neutral electrode extends concentrically with the center of the cylindrical electrode. A synthesis gas production device forming a cylindrical gap, wherein a plurality of reaction zones extend axially within the cylindrical gap. 12. The synthesis gas production apparatus according to claim 11, further comprising a porous partition plate disposed adjacent to the cylindrical electrode and defining a plurality of reaction zones. 13. The synthesis gas production according to claim 11, wherein the neutral electrode comprises an end having an inlet and a hollow sleeve having an injection nozzle for injecting water into at least one of the plurality of reaction zones. apparatus. 14. The multi-phase alternating current electrode according to claim 3, wherein the multi-phase alternating current electrode is a plate-like electrode having a through hole for allowing adjacent reaction zones to communicate with each other, and having a plurality of inlets. A synthesis gas production apparatus comprising a water injection nozzle open to at least one of the reaction zones. 15. A casing having an inlet for introducing water and an outlet for discharging syngas, a counter electrode disposed in the casing to form a reaction zone therebetween, and filling in the reaction zone. And a power source for generating a plasma arc in the reaction zone by energizing between the opposed electrodes, wherein water comes into contact with the carbon-containing material in the reaction zone to form steam, and the steam has a plasma arc. A synthesis gas production device that generates a synthesis gas by contact reaction with a carbon-containing material below. 16. The synthesis gas production apparatus according to claim 15, wherein the carbon-containing material is selected from the group consisting of charcoal, coal, petroleum coke, graphite, carbon, concentrated sewage sludge, and a mixture thereof. 17. The synthesis gas production apparatus according to claim 15, further comprising a particulate non-conductor mixed with the carbon-containing material in the reaction zone. 18. The synthesis gas production apparatus according to claim 15, wherein the carbon-containing material comprises a granular catalyst metal and carbon deposited on the surface thereof. 19. A water supply source, a syngas producing apparatus for producing syngas from water, a motor driven by combustion of the syngas to generate mechanical output, and a polyphase AC power source driven by the motor. The synthesis gas production apparatus is provided with a carbon-containing multiphase AC electrode forming a plurality of reaction zones, and by connecting a multiphase AC power supply to the multiphase AC electrode, a plasma arc is generated in the plurality of reaction zones, and the plasma is generated. A power system in which water is turned into steam in the presence of an arc to contact and react with carbon on the electrodes to produce synthesis gas. 20. The power system according to claim 19, further comprising an exhaust gas recirculation device that recirculates at least a part of the exhaust gas of the prime mover to the synthesis gas production device. 21. A thermoelectric generator comprising: a water supply source; a syngas producing apparatus for producing syngas from water; a motor driven by combustion of the syngas to generate mechanical output; and a power source driven by the motor. The decomposition device includes a counter electrode forming a reaction zone, and a carbon-containing material filled in the reaction zone.When a power source is connected to the counter electrode, a plasma arc is generated in a gap of the carbon-containing material, thereby generating water. Is a power system that generates steam by contacting and reacting steam with a carbon-containing material in the presence of a plasma arc. 22. A water supply source, a syngas producing apparatus for producing syngas from water, a motor driven by combustion of the syngas to generate a mechanical output, and a polyphase AC power source driven by the motor. The synthesis gas production apparatus is provided with a carbon-containing multiphase AC electrode forming a plurality of reaction zones, and by connecting a multiphase AC power supply to the multiphase AC electrode, a plasma arc is generated in the plurality of reaction zones, and the plasma is generated. A mobile unit equipped with a power system that generates water by steam in the presence of an arc and reacts with the carbon of the electrode to produce synthesis gas. 23. A thermoelectric generator comprising: a water supply source; a syngas producing apparatus for producing syngas from water; a motor driven by combustion of the syngas to generate a mechanical output; and a power source driven by the motor. The decomposition device includes a counter electrode forming a reaction zone, and a carbon-containing material filled in the reaction zone.When a power source is connected to the counter electrode, a plasma arc is generated in a gap of the carbon-containing material, thereby generating water. A mobile body equipped with a power system that generates steam by contacting and reacting steam with a carbon-containing material in the presence of a plasma arc.