JP7242043B2 - Liquid fuel supply system and liquid fuel supply method - Google Patents

Description

The present invention relates to a liquid fuel supply system and a liquid fuel supply method capable of efficiently supplying liquid fuel with improved combustion efficiency to combustion equipment or combustion engines.

BACKGROUND ART Exhaust gases from automobiles, ships, and the like contain unburned substances such as CO (carbon monoxide) and HC (hydrocarbons), NOx (nitrogen oxides), and the like, which are environmental pollutants.
Therefore, in automobiles, a catalyst for removing unburned substances such as CO and HC and NOx is provided in the exhaust gas path so that unburned substances such as CO and HC and NOx are not emitted into the atmosphere ( See Patent Document 1).

However, the catalyst deteriorates due to long-term use, and the efficiency of removing unburned substances such as CO and HC and NOx decreases. Therefore, unburned substances such as CO and HC and NOx cannot be stably removed. In addition, there is a problem that the deteriorated catalyst must be replaced periodically, resulting in high maintenance costs.

In order to solve such problems, the inventors of the present invention have found that a mixed dispersion in which at least tourmaline particles are dispersed in a conductive solution containing carbon graphite particles is a conductive material having a surface coated with hard alumite. We have already proposed a device for improving the combustion efficiency of liquid fuel, which is filled in a hollow member made of a material and is formed so as to surround a fuel pipe extending from a liquid fuel tank to a liquid fuel combustion device. , is patented (see Patent Document 2), and the high combustion efficiency device is provided in the liquid fuel flow channel, and the liquid fuel is convectively stirred in the flow channel, and the high combustion efficiency device is efficiently generated. A device has already been proposed in which the generated electromagnetic waves are caused to act efficiently in the flow path to achieve even higher efficiency (see Patent Document 3).

Further, the inventors of the present invention provided a circulation path for circulating the liquid fuel in the fuel tank in order to reform the liquid fuel as described above and further improve the combustion efficiency, and provided a high-combustion fuel in the middle of this circulation path. We have proposed a fuel supply system in which an efficiency improvement device is incorporated to increase the reforming rate of the liquid fuel in the fuel tank by circulating the liquid fuel. (See Patent Document 4).

JP-A-7-174017 Japanese Patent No. 460191 WO2008/093388 JP 2014-29227 A

By the way, in a large ship or the like, a required amount of liquid fuel is sent from a main tank to a service tank having a smaller capacity than the main tank for primary storage, and the service tank supplies the engine with the liquid fuel.

However, for large ships, even service tanks have a fairly large capacity. The presence of fuel causes the reformed fuel to be diluted by the original fuel.
Therefore, the fuel supplied from the service tank to the combustion appliance or combustion engine is not highly reformed.

Therefore, it is conceivable to increase the amount of liquid fuel returning to the fuel tank through the circulation path from the liquid fuel sent from the fuel tank to the combustion equipment or combustion engine to increase the reforming rate. At the same time, by increasing the size of the circulation pump, increasing the size of the high combustion efficiency device, and installing many high combustion efficiency devices in series, the opportunity and time for the liquid fuel to be reformed by the high combustion efficiency device will be extended. It is thought that the above problems can be solved by doing so.
However, in the above-described method, the installation space for the circulation path becomes too large, which incurs a large installation cost.

In view of the above circumstances, the present invention is a liquid fuel that can efficiently feed a liquid fuel with a high reforming rate to a combustion device or a combustion engine without greatly changing the existing combustion mechanism and without incurring equipment costs. It is an object of the present invention to provide a delivery system and liquid fuel delivery method.

In order to achieve the above object, a liquid fuel supply system according to the present invention (hereinafter referred to as "the system of the present invention") comprises a fuel tank for storing liquid fuel, and from this fuel tank to a combustion device or a combustion engine. A fuel comprising a fuel supply path for supplying fuel, and a fuel reforming path for sending the liquid fuel in the fuel tank to the fuel reformer and returning the reformed liquid fuel reformed by the fuel reformer to the fuel tank. In the supply system, the fuel tank includes a tank body, and a partition wall that partitions the inside of the tank body into a reformed fuel storage compartment and a supplementary fuel storage compartment, and the fuel supply path extends through the reformed fuel storage compartment. The liquid fuel inside is provided to the combustion equipment or combustion engine, the fuel inlet of the fuel reforming passage is provided at the bottom of the reformed fuel storage compartment, and the return port of the fuel reforming passage the reformed fuel storage compartment, and the partition wall has, at its lower end, a liquid passage hole for communicating the reformed fuel storage compartment and the supplementary fuel storage compartment, and the fuel tank It is characterized in that a fuel outlet of a fuel replenishment pipe to the fuel replenishment pipe faces the replenishment fuel storage section.

In the liquid fuel supply method according to the present invention, the inside of an existing fuel tank is partitioned into a supply fuel storage section and a reformed fuel storage section by a partition wall having a liquid passage hole at the lower end, and the reformed fuel storage section A fuel reformer provided with a circulation path for sucking the liquid fuel inside from the bottom of the reformed fuel storage compartment and returning it to the reformed fuel storage compartment, and providing the liquid fuel circulating in the circulation path in the middle of the circulation path. and reforming the liquid fuel as the liquid fuel circulates; and supplying the reformed fuel stored in the reformed fuel storage section to a combustion device or a combustion engine. .

In the present invention, the number of liquid passage holes may be one or more, and the size thereof is appropriately determined according to the capacity of the fuel tank, the combustion equipment, and the output of the combustion engine. It is preferable to make the holes as small as possible so that the reformed fuel does not flow into the reformed fuel storage compartment in excess of the necessary minimum amount.

In the present invention, examples of liquid fuels include, but are not limited to, heavy oil A, heavy oil C, light oil, kerosene, and gasoline.
The combustion equipment includes boilers, stoves, etc. The combustion engine may be either an internal combustion engine or an external combustion engine, and a diesel engine for large vessels is suitable.

In the present invention, it is preferable that the fuel supply pipe has a valve mechanism for controlling the supply of liquid fuel so as to maintain the liquid fuel level in the supply fuel storage compartment at a specified level.
Although the valve mechanism is not particularly limited, for example, a valve with a ball tap can be used.

In the present invention, the fuel reformer is not particularly limited as long as it can reform the fuel to a state with high combustion efficiency, but has a flow path inside and at least one of carbon particles and tourmaline particles is electrically conductive A solution or a dispersion dispersed in a conductive gel is filled in the hollow portion, and equipped with an electromagnetic wave generator that generates electromagnetic waves caused by carbon particles or tourmaline particles (hereinafter referred to as "first reformer ”), or a coil provided to surround the fuel pipe, and a high frequency generating means for applying high frequency to this coil, giving vibration to the molecules of the liquid fuel flowing in the fuel pipe, A device that refines molecules (hereinafter referred to as a "second reformer") or a device in which N and S poles of magnets are alternately arranged in the longitudinal direction or circumferential direction of the liquid fuel pipe (hereinafter referred to as " referred to as "third reformer"), etc., and these may be used singly or in combination. Among them, it is preferable to use the first reformer.

In the first reforming apparatus, the tourmaline is a crystal having the property of naturally generating a positive electrode _on one side and a negative electrode on the other side _. ( _{BO3 ) 3Si6O18} (OH) ₄ ), Magnesium tourmaline _{( NaMg3Al6} ( _{BO3 ) 3Si6O18} (OH) _{4 )} , Lithia tourmaline (Na ₍ Li, Al) _{3 Al6} ( _BO3 ) _3Si6O18 (OH) ₄ ), Lidicoat tourmaline _{( Ca} (Li, _{Al ) 3Al6} ( _BO3 ) _3Si6O18 (O,OH,F) _{4 )} , ash tourmaline ((Ca, Na) (Mg, Fe) ₃ Al ₅ Mg(BO ₃ ) ₃ Si ₆ O ₁₈ (OH, F) ₄ ) and the like.

The conductive solution or gel is not particularly limited as long as it has excellent conductivity. Moreover, silicone oil, machine oil, or the like may be used as the dispersion liquid.
Further, a dispersing agent such as a surfactant may be added to the solution. The surfactant is not particularly limited as long as tourmaline particles can be uniformly dispersed, but nonionic surfactants are preferred.

The particle sizes of tourmaline particles and carbon graphite particles are not particularly limited, but are preferably 10 μm or less, more preferably 5 μm or less.
The mixing ratio of tourmaline particles and carbon graphite particles is not particularly limited, but is preferably about 100:1 to 1:2.
Further, the first reformer may be surrounded by a far-infrared reflective sheet.
The first reforming device is not particularly limited, but for example, a commercially available device such as PCM (trade name) manufactured by B-Tech Co., Ltd. can be used.

In the second reforming apparatus, the magnet may be either an electromagnet or a permanent magnet, but a permanent magnet is preferable in consideration of energy efficiency.
In addition, although not particularly limited, for example, commercially available products such as Mitsuba Co., Ltd.'s trade name MAGMA21 and UPI Co., Ltd.'s trade name Melten can be used.

As described above, the system of the present invention includes a fuel tank that stores liquid fuel, a fuel supply line that supplies the fuel from the fuel tank to a combustion device or a combustion engine, and a fuel reformer that reforms the liquid fuel in the fuel tank. A fuel supply system comprising a fuel reforming passage for feeding a reformed liquid fuel reformed by the fuel reformer to a device and returning the reformed liquid fuel to the fuel tank, the fuel tank comprising a tank body and an internal into a reformed fuel storage compartment and a supplementary fuel storage compartment, wherein the fuel supply path is provided to supply the liquid fuel in the reformed fuel storage compartment to the combustion device or combustion engine, A fuel suction port of the fuel reforming passage is provided at the bottom of the reformed fuel storage section, and a return port side of the fuel reforming passage is provided in the reformed fuel storage section, and the partition wall is provided in the reformed fuel storage section. The lower end portion is provided with a liquid communication hole for communicating the reformed fuel storage section and the supplementary fuel storage section, and the fuel outlet of the fuel supply pipe to the fuel tank faces the supplementary fuel storage section. , the reforming rate of the reformed fuel sent to the combustion equipment or combustion engine can be kept high, resulting in better combustion efficiency and reduced fuel costs.

Moreover, since it is only necessary to partition the inside of the fuel tank with a partition wall, it is sufficient to modify the existing fuel tank.
Therefore, the system of the present invention can be used even in existing facilities where the installation of extra equipment narrows the work space and corridors.

In addition, since a liquid passage hole is provided in the lower end of the partition wall and new liquid fuel is replenished to the replenishment fuel storage section, the reformed fuel stored in the reformed fuel storage section is not rapidly diluted. In addition, the fuel level of the reformed fuel storage compartment is always the same or higher than the reformed fuel level stored in the reformed fuel storage compartment, so the reformed fuel stored in the reformed fuel storage compartment Inflow to the storage compartment side can be prevented.

1 is an explanatory view schematically combining one embodiment of a fuel supply system according to the present invention; FIG. FIG. 2 is an exploded perspective view of a combustion reformer incorporated in the fuel supply system of FIG. 1; 3 is a cross-sectional view of the combustion reformer of FIG. 2; FIG. Figure 3 is a side view of the combustion reformer of Figure 2; FIG. 3 is a plan view of a convection plate of the combustion reformer of FIG. 2; FIG. 6 is a cross-sectional view of the convection plate of FIG. 5; FIG. 3 is a cross-sectional view of an electromagnetic wave generator of the combustion reformer of FIG. 2;

BEST MODE FOR CARRYING OUT THE INVENTION Below, the present invention will be described in detail with reference to the drawings showing its embodiments.
FIG. 1 shows one embodiment of the fuel supply system of the present invention.

As shown in FIG. 1, this fuel supply system A includes a ship service tank 100 as a fuel tank, a liquid fuel circulation path (hereinafter referred to only as a "circulation path") 200, a fuel supply pipeline 300, A fuel return path 400 is provided.
The fuel tank 100 has a tank body 110 and a partition wall 120 .

The tank body 110 has a bottomed box shape with a rectangular bottom.
The partition wall 120 partitions the inside of the tank body 110 into a supplementary fuel storage compartment 111 having a rectangular bottom and a reformed fuel storage compartment 112 having a smaller capacity than the supplementary fuel storage compartment 111. A liquid passage hole 121 is provided.

The reformed fuel storage section 112 has a fuel intake port 201 of a circulation path 200, which will be described in detail later, opened at the bottom thereof, and a return port 202 of the liquid fuel pipe line 2 faces at the top.
In the supply fuel storage section 111, the discharge port of the supply line 500 from the main tank (not shown) faces the top.
The supply pipe 500 is provided with a ball tap valve (not shown) at its discharge port so that the level of the liquid fuel in the supply fuel storage section 111 can be maintained at a predetermined level.

The circulation path 200 has the suction port 201 opening at the bottom of the reformed fuel storage section 112 and the return port 202 provided at the top of the reformed fuel storage section 112 as described above. From the side toward the return port 202, a circulation pump 210 and two fuel reformers 1, 1 are provided in sequence.
That is, in the circulation path 200, the liquid fuel stored in the reformed fuel storage section 112 sucked from the suction port 201 passes through the two fuel reformers 1, 1 via the circulation pump 210, is reformed, and returns. Port 202 leads back to reformate storage compartment 112 .

The two fuel reformers 1 are connected in series, and as shown in FIG. 2 or FIG. , three convection generating plates 4 a , six spacers 5 , and two electromagnetic wave generators 6 .
The cylindrical body 2 includes a cylindrical body 21 and a flange 22, is made of aluminum, and has its entire surface coated with hard alumite.
The flange portion 22 is provided with four screw holes 22a and a groove 22b in which the ring-shaped sealing material 7 is mounted.

The lid 3 is made of aluminum, the entire surface of which is coated with hard alumite, and has substantially the same external shape as the flange portion 22. As shown in FIG. A hole 31 serving as an outlet for the liquid fuel from the cylindrical body 2 is bored in the center, and a bolt insertion hole 32 is provided at a position corresponding to the screw hole 22a of the flange portion 22 . By screwing the tip portion of the bolt 33 inserted through the bolt insertion hole 32 into the screw hole 22a, the cylindrical body main portion 21 is closed.

The convection plate 4a has a disk shape with an outer diameter substantially equal to the inner diameter of the tubular body 21 of the tubular body 2. As shown in FIG. A plurality of small holes 41 arranged at equal intervals on the circumference of the center circle, and a large circle concentric with the circle on which the small holes 41 are provided are arranged at equal intervals on the circumference of the small holes. A plurality of large holes 42 provided at positions displaced in the circumferential direction with respect to 41 are provided as liquid fuel passages, are made of aluminum, and are entirely coated with hard anodized aluminum.
As shown in FIG. 6, the portion of the convection generating plate 4a radially inward from the small hole 41 has a concave surface 40a on the upstream side (fuel inflow side) and a convex surface 40b on the downstream side (fuel discharge side). there is

The spacer 5 has a ring shape with an outer diameter substantially equal to that of the convection generating plate 4a, is made of aluminum, and has its entire surface coated with hard alumite.

The electromagnetic wave generator 6 has a hollow member 60 which is made of aluminum and whose entire surface is coated with hard alumite. The dispersion liquid 6a dispersed in the gel is filled, and electromagnetic waves including far infrared rays are generated.

The hollow member 60 has a cylindrical shape with an outer diameter substantially equal to that of the convection generating plate 4a having a hole 60a in the center serving as a liquid fuel passage.
An outer cylindrical portion 61a having an outer diameter substantially equal to the outer diameter of the convection generating plate 4a, an inner cylindrical portion 61b forming a cylindrical filling space for the dispersion liquid 6a between the outer cylindrical portion 61a and the outer cylindrical portion 61a, A container 61 having a doughnut-shaped cross section and a bottom portion 61c connecting an outer cylinder portion 61a and an inner cylinder portion 61b at one end, and a donut-shaped dispersion fixed to the container 61 by welding so as to close the opening of the container 61. and a lid member 62 having a filling hole 62a for the liquid 6a.
The dispersion liquid 6a is filled in the hollow member 60 through the filling hole 62a and then sealed with a rivet-shaped sealing member 63 so that the hollow member 60 is filled with the dispersion liquid 6a. held.

In the fuel reformer 1, first, one lid 3 is fixed to the tubular body 2 by bolts 33, one opening of the tubular body main body 21 is closed, and then the tubular body main body 21 is closed. From the other opening, spacer 5, convection generating plate 4a, spacer 5, electromagnetic wave generator 6, spacer 5, convection generating plate 4a, spacer 5, electromagnetic wave generator 6, spacer 5, convection generating plate 4a, spacer 5 in this order. After being inserted into the body 21, the other lid 3 is fixed to the cylindrical body 2 with bolts 33, and the other opening of the body 21 is closed.
The convection generating plate 4a is inserted into the tubular body main portion 21 with the concave surface forming side directed in the same direction. The electromagnetic wave generator 6 is grounded by a ground wire. By this assembly, a convection space S is formed in front of and behind the electromagnetic wave generator 6 by the spacer 5 and the convection generating plate 4a.

The fuel reformer 1 assembled in this way is provided so as to constitute a part of the circulation path 200, and enters the tubular body main body 21 through the hole 31 provided in the lid 3 on one side. The liquid fuel is reformed and sent out from the hole 31 provided in the other lid 3 .

More specifically, the liquid fuel that has entered the cylindrical body 21 is sent toward the outlet hole 31 by the pump pressure of the circulation pump 210, but the flow in the axial direction of the cylindrical body 21 is A part hits the concave surface 40a of the convection generating plate 4a, and passes through the small hole 41 and the large hole 42 while convecting in the convection space S as indicated by the arrow in FIG. enters the convection space S between and part of the flow in the tube axis direction of the tubular body is blocked by the electromagnetic wave generator 6, and after convection, it passes through the central hole 60a of the hollow member 60, and the next convection While repeating entering the space S, it passes through the hole 31 of the other lid 3 and is discharged from the outlet.

In the cylindrical body main body 21, the electromagnetic waves including far infrared rays generated by the electromagnetic wave generator 6 act on the hydrocarbon molecules in the entire liquid fuel, and each hydrocarbon molecule is in a state where it is easy to burn (oxygen is easy to attack). state). That is, the liquid fuel is completely combusted without incomplete combustion, and the maximum amount of heat that the liquid fuel has can be effectively obtained.
Further, since the electromagnetic wave generator 6 is grounded through the ground wire, the polarization of tourmaline or carbon graphite is always stable, and far infrared rays can be generated semipermanently. Moreover, since there is no direct contact with the liquid fuel, the tourmaline particles do not deteriorate and the far-infrared rays can be supplied semi-permanently, so maintenance costs are almost unnecessary. In addition, since the structure is simple, the manufacturing cost is not so high, and the initial cost is almost negligible.

In addition, since the portion of the convection generating plate 4a that blocks part of the flow of the cylindrical body of liquid fuel in the direction of the tube axis is the concave surface 40a, the liquid fuel hitting this portion bounces back in the direction of the focal point of the concave surface. Convection is more efficient because it collides with the liquid fuel bounced off from other parts near the focal point.
Since the liquid fuel convects within the tubular body 2 , the far-infrared rays generated from the electromagnetic wave generator 6 are efficiently irradiated to the liquid fuel within the tubular body 2 .

This fuel supply system A is configured as described above, and when the circulation pump 210 is operated, the liquid fuel in the reformed fuel storage section 112 passes through the circulation path 200 and returns to the reformed fuel storage section 112 again. repeat the cycle.
Since the liquid fuel passing through the circulation path 200 passes through the fuel reforming devices 1, 1, it is reformed during the circulation, and the reforming rate of the liquid fuel increases each time the circulation is repeated.

Further, the tank body 110 is divided into a supplementary fuel storage section 111 with a large capacity and a reformed fuel storage section 112 with a small capacity, and the supplementary fuel storage section 111 and the reformed fuel storage section 112 are separated by a partition wall. Since the liquid fuel is communicated only through the liquid passage hole 121 provided at the lower end of the liquid fuel 120, if the circulation pump 210 is operated to pre-circulate the liquid fuel before supplying the liquid fuel to the combustion equipment or the combustion engine, Only the liquid fuel in the reformed fuel storage section 112 circulates in the circulation path 200, and the liquid fuel in the reformed fuel storage section 112 reaches a high reforming rate in a short period of time.

If fuel is supplied to the combustion equipment or the combustion engine through the fuel supply line 300 in this state, reformed fuel with high reforming efficiency can be constantly supplied to the combustion equipment or the combustion engine. That is, the combustion efficiency can be maintained at a high level, and unburned substances such as CO and HC and NOx can be prevented from being discharged into the atmosphere.
In addition, since it is only necessary to provide the partition wall 120 in the fuel tank, it is possible to obtain the fuel supply system of the present invention in existing equipment by simply modifying an existing service tank or the like.

FIG. 1 is a diagram for schematically explaining the present invention, and the illustration of valves, check valves, etc. is omitted.

EXAMPLES Examples of the present invention will be described below in comparison with comparative examples.

(Example 1)
An existing service tank (capacity 5 kL) of a high-speed catamaran equipped with two 2000-horsepower diesel engines is used as the tank body 110, and this tank body 110 is welded to the center of the lower end of the partition wall 120 with a radius of 50 mm. A partition wall 120 having a semi-circular liquid passage hole 121 is attached to partition the inside of the tank body 110 into a 3 kL supply fuel storage compartment 111 and a 2 kL reformed fuel storage compartment 112, and an experimental fuel tank 100 got
This fuel tank 100 is connected to a circulation path 200 in which two units of PCM1040, a product name of B-Tech Co., Ltd., are incorporated in series as the fuel reformer 1, and a circulation pump 110 with a discharge amount of 14.4 L/min is used to While fuel reforming is continued by passing fuel light oil through the circulation path 200, and in a state in which fuel light oil is replenished so as to keep the fuel light oil in the service tank at the same level, the high-speed catamaran is operated as follows. When I sailed one fixed route multiple times, the average fuel consumption for one voyage (round trip) was 310L.

(Comparative example 1)
Except that the partition wall 120 is not provided, a circulation path similar to that of the first embodiment is provided. When the hull was sailed on the same route the same number of times as in Example 1, the average amount of fuel used for one voyage (round trip) was 369L.

(Comparative example 2)
In the same manner as in Example 1 and Comparative Example 1, except that the circulation route was not used and the fuel gas oil of the service tongue that had not been reformed was used, the same route was sailed the same number of times. The average of one voyage (round trip) was 392L.

As described above, when the average fuel consumption of Comparative Example 2, which is not reformed at all, is 1, the average fuel consumption of Comparative Example 1 and Example 1 is expressed as a percentage, and in the case of Comparative Example 1, about It was 94% and about 79% in the case of Example 1.

That is, if a circulation path equipped with a fuel reforming device is provided in Example 1 and Comparative Examples 1 and 2, and the fuel in the tank is circulated and reformed while the fuel is sent to the combustion equipment, combustion can be achieved. It can be seen that the efficiency is improved.
Moreover, as in the first embodiment, the inside of the tank body 110 is partitioned into the supply fuel storage section 111 and the reformed fuel storage section 112 by the partition wall 120, and only the fuel in the reformed fuel storage section 112 is circulated, If the reduced amount of fuel in the reformed fuel storage section 112 is replenished from the supply fuel storage section 111 side through a small liquid passage hole 121 provided at the lower end of the partition wall 120, reformed fuel with high combustion efficiency can be obtained. can be stably sent to the combustion equipment, and the combustion efficiency can be further improved.
In addition, as described above, according to the fuel supply system of the present invention, since it is only necessary to provide a partition wall inside the existing fuel tank, there is no need to separately secure an installation space for the equipment, so the modification cost is low. I know it will be done.

The high combustion efficiency device according to the present invention is not limited to the above embodiments.
For example, in the above embodiment, the reformed fuel storage section has a rectangular shape in plan view, but it may have a triangular shape including only one corner portion of the fuel tank, or a semicircular shape in plan view.

In the above embodiment, the fuel supply line is branched from the middle of the circulation line. It may be possible to supply directly to the institution.
Although there is one liquid passage hole in the above embodiment, it may be two or more.
Although the fuel return path is provided in the above embodiment, the fuel return path may not be provided if the fuel is completely consumed in the engine portion.

A Liquid fuel supply system 1 Fuel reformer 100 Fuel tank 110 Tank body 111 Supply fuel storage section 112 Reformed fuel storage section 120 Partition wall 121 Liquid passage hole 200 Circulation path 201 Suction port 202 Return port 210 Circulation pump 300 Fuel supply pipe line 400 fuel return line 500 supply line

Claims (5)

a fuel tank for storing liquid fuel; a fuel supply passage for supplying the fuel from the fuel tank to a combustion device or combustion engine; A fuel supply system comprising a fuel reforming passage for returning reformed liquid fuel to the fuel tank,
The fuel tank comprises a tank body and a partition wall that divides the inside of the tank body into a reformed fuel storage compartment and a replenishment fuel storage compartment,
wherein the fuel supply path is provided to supply the liquid fuel in the reformed fuel storage compartment to the combustion device or combustion engine;
a fuel suction port of the fuel reforming passage is provided at the bottom of the reformed fuel storage section, and a return port side of the fuel reformation passage is provided in the reformed fuel storage section;
The partition wall has, at its lower end, a liquid passage hole for communicating the reformed fuel storage section and the supplementary fuel storage section,
A fuel supply system, wherein a fuel outlet of a fuel supply pipe leading to the fuel tank faces the supply fuel storage section. 2. A fuel supply system according to claim 1, wherein said fuel supply pipe comprises a valve mechanism for controlling the supply of liquid fuel so as to maintain the liquid fuel level in the supply fuel storage compartment at a specified level. 3. A fuel supply system according to claim 2, wherein said valve mechanism is a valve with a ball tap. The fuel reformer has a flow path inside, and at least one of carbon particles and tourmaline particles is dispersed in a conductive solution or a conductive gel, and the hollow portion is filled with the carbon particles. Alternatively, the fuel supply system according to any one of claims 1 to 3, further comprising an electromagnetic wave generator for generating electromagnetic waves caused by tourmaline particles. The interior of the existing fuel tank is partitioned into a supply fuel storage compartment and a reformed fuel storage compartment by a partition wall having a liquid passage hole at the lower end, and the liquid fuel in the reformed fuel storage compartment is separated from the reformed fuel storage compartment. providing a circulation path for sucking from the bottom of the and returning it to the reformed fuel storage compartment,
a step of passing the liquid fuel circulating in the circulation path through a fuel reformer provided in the middle of the circulation path to reform the liquid fuel as the liquid fuel circulates;
A method for supplying reformed fuel, comprising a step of supplying the reformed fuel stored in the reformed fuel storage section to a combustion device or a combustion engine.

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