JP2013203781A - Method for producing water-oil mixed fuel, water-oil mixed fuel and production apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for producing a water-oil mixed fuel by which the mixed proportion of the water based on the combustible oil can be more heightened than the conventional one, and the water-oil mixed fuel having a calorific value equal to that of the combustible oil can be obtained, and to provide an apparatus for producing the water-oil mixed fuel.SOLUTION: A water-oil mixed fuel is produced as follows. A mixing adjuvant obtained by heating titanium oxide powder and black silica powder is added to an alkaline electrolyzed water, and the resultant water is stirred under the irradiation with ultraviolet rays to provide a functional water. The functional water is mixed with a combustible oil, and the resultant mixture is stirred under the irradiation with the ultraviolet rays to afford a water-oil mixture. The water-oil mixture is cooled to freeze a part thereof, and the unfrozen part is taken out to provide the water-oil mixed fuel. The water-oil mixed fuel can be regulated so as to have about 70% of the weight proportion of the water and about 30% of the weight proportion of the combustible oil based on the whole amount.

Description

  The present invention relates to a water / oil mixed fuel mainly composed of water and oil, and a method and apparatus for producing the same.

  Conventionally, a mixed fuel formed by mixing water and flammable oil to form an emulsion of water and oil has an effect of improving heat generation efficiency and reducing NOx. In addition, flammable oil such as fossil fuel is used. Various production methods have been proposed because the amount of use can be reduced. For example, Patent Document 1 describes a method and an apparatus for producing water-oil mixed fuel by ejecting water and combustible oil from a small hole and dispersing the combustible oil in water by a venturi effect to form an emulsion. . According to the production method of Patent Document 1, water and A heavy oil can be mixed at a weight ratio of 50:50 to produce a water-oil mixed fuel, and this water-oil mixed fuel has a calorific value of about 29,702 J / g. Have.

JP 2010-025382 A

  However, since the water-oil mixed fuel produced by the method of Patent Document 1 has a maximum content ratio of water and A heavy oil of 50 wt%, it cannot be said that the effect of reducing the amount of A heavy oil used is sufficient. Moreover, since the calorific value of 29,702 J / g is lower than 42,000 J / g, which is the calorific value of normal heavy oil A, the heat generation efficiency is low.

  Then, the subject of this invention is the manufacturing method of the water-oil mixed fuel which can make the mixing ratio of the water with combustible oil higher than before, and can obtain the water-oil mixed fuel which has calorific value equivalent to combustible oil, and An object of the present invention is to provide an apparatus for producing a water / oil mixed fuel.

In order to solve the above problems, the method for producing a water-oil mixed fuel of the present invention comprises:
A functional water preparation process in which titanium oxide powder is added to alkaline electrolyzed water and stirred while irradiating ultraviolet rays to prepare functional water;
Mixing the functional water and combustible oil, stirring the mixture while irradiating with ultraviolet rays to produce a water-oil mixture,
A cooling separation step of cooling the water-oil mixture to freeze a part thereof and taking out the non-freezing portion to produce a water-oil mixture fuel.

  In one embodiment of the method for producing a water-oil mixed fuel, in the functional water preparation step, at least one of black silica powder, carbon powder, tourmaline powder, copper powder, magnet powder, and clay is added to the alkaline electrolyzed water. To do.

  Moreover, the manufacturing method of the water-oil mixed fuel of one Embodiment mixes fats and oils further in the said water-oil mixing process.

  Moreover, as for the manufacturing method of the water-oil mixed fuel of one Embodiment, the said fats and oils are palm oil or beef tallow.

  Moreover, the manufacturing method of the water-oil mixed fuel of one Embodiment has the water refinement | miniaturization process which refines | miniaturizes the molecular group of water before the said electrolysis process.

  Further, in the method for producing a water-oil mixed fuel according to one embodiment, the water refinement step may be performed by passing water through a reverse osmosis membrane, irradiating water with electromagnetic waves, or forming a water flow to form a solid or other Collide with the water stream.

Further, the method for producing a water-oil mixed fuel according to an embodiment includes a frozen portion of the water-oil mixture obtained in the cooling separation step, and stirring while irradiating ultraviolet rays by adding titanium oxide powder to alkaline electrolyzed water. A second water-oil mixing step of mixing functional water and flammable oil, and stirring to form a second water-oil mixture by irradiating with ultraviolet rays;
A second cooling separation step of cooling the second water / oil mixture to freeze a part thereof and taking out the non-freezing portion to obtain a water / oil mixed fuel.

  Moreover, as for the manufacturing method of the water-oil mixed fuel of one Embodiment, the said cooling separation process cools the said water-oil mixture at -20 degreeC or more and -10 degrees C or less.

  Moreover, as for the manufacturing method of the water-oil mixed fuel of one Embodiment, pH of alkaline electrolyzed water used at the said functional water preparation process is 11-11.

  Further, in the method for producing a water-oil mixed fuel of one embodiment, the proportion of the titanium oxide powder added to the alkaline electrolyzed water in the functional water preparation step is 0.15 wt% or more and 0.5 wt% with respect to the total amount of the functional water. % Or less.

  In one embodiment of the method for producing a water-oil mixed fuel, at least one of the titanium oxide powder, black silica powder, carbon powder, tourmaline powder, copper powder, magnet powder, and clay is in an ultraviolet irradiation environment. Originally heated at 500 ° C. or higher and 1000 ° C. or lower.

  Moreover, the manufacturing method of the water oil mixed fuel of one Embodiment mixes alcohol further in the said water oil mixing process.

The water-oil mixed fuel of the present invention is a functional water preparation step in which titanium oxide powder is added to alkaline electrolyzed water and stirred while irradiating ultraviolet rays to prepare functional water.
Mixing the functional water and combustible oil, stirring the mixture while irradiating with ultraviolet rays to produce a water-oil mixture,
The water-oil mixture is cooled and partly frozen, and is manufactured through a cooling separation step in which a non-freezing portion is taken out to produce a water-oil mixed fuel. The content ratio of functional water is 55 wt% or more and 70 wt% or less, The content ratio of combustible oil is 30 wt% or more and 45 wt% or less, and the total of the functional water and combustible oil is 100% or less.

  The water-oil mixed fuel of one embodiment has a calorific value of 40,000 J / g or more and 47,000 J / g or less.

A water / oil mixed fuel manufacturing apparatus of the present invention is a water / oil mixed fuel manufacturing apparatus for carrying out the water / oil mixed fuel manufacturing method.
An electrolyzer that electrolyzes water to produce alkaline electrolyzed water;
A material in which titanium oxide powder is added to alkaline electrolyzed water generated by the electrolyzer is stirred while irradiating ultraviolet rays to produce functional water, and a material in which flammable oil is mixed in the functional water, A stirrer that stirs while irradiating with ultraviolet light to produce a water-oil mixture;
A cooling device for cooling the water-oil mixture produced by the stirring device;
A fuel storage unit to which an unfrozen portion of the water-oil mixture cooled by the cooling device is guided;
And a return line for returning the frozen portion of the water-oil mixture cooled by the cooling device to the stirring device.

  An apparatus for producing a water / oil mixed fuel according to an embodiment includes a cartridge in which titanium oxide powder is encapsulated in advance and is detachably formed on the stirring device.

  According to the present invention, titanium oxide powder is added to alkaline electrolyzed water, stirred while irradiating with ultraviolet rays to prepare functional water, this functional water and flammable oil are mixed, and stirred while irradiating with ultraviolet rays. To make a water-oil mixture. The water-oil mixed fuel is obtained by cooling the water-oil mixture, partially freezing, and taking out the non-frozen portion. This water-oil mixed fuel can reduce the weight ratio of water to about 70% and the weight ratio of combustible oil to about 30% of the total amount. The amount of natural oil used can be effectively reduced. In addition, the water / oil mixed fuel produced by the production method of the present invention has a heat generation amount equal to or higher than that of a fuel composed only of combustible oil, and thus has high heat generation efficiency. Therefore, a water / oil mixed fuel that can be used not only as a fuel for a thermal apparatus such as a burner but also as a fuel for a prime mover such as an internal combustion engine can be obtained.

It is a block diagram which shows the manufacturing apparatus of the water oil mixed fuel of embodiment. It is a schematic diagram which shows the stirring apparatus with which the manufacturing apparatus of the water-oil mixed fuel of embodiment is equipped.

  Hereinafter, the present invention will be described in detail.

  In the method for producing a water / oil mixed fuel of the present invention, first, a water refinement step is performed to refine the molecular group of water. The water molecular group refers to an aggregate of a plurality of water molecules gathered by hydrogen bonding, and is called a so-called cluster, and is assumed to form an n-mer or a polygon. In the water refinement process, the water molecules that make up the molecular population are divided by a method of passing water through a reverse osmosis membrane, a method of irradiating water with electromagnetic waves, or a method of forming a water flow and colliding with a solid or other water flow. Reduce the number of water and make the molecular population of water smaller.

  Electrolysis is performed on water obtained by miniaturizing the molecular group to produce alkaline electrolyzed water. For electrolysis, a known electrolyzer can be used. For example, the inside of the electrolyzed water tank is partitioned with an ion exchange membrane on the cathode side and the anode side, and voltage is applied to the cathode and anode to produce alkaline electrolyzed water on the cathode side. Can be used. The alkaline electrolyzed water has a pH of 11 or more and 13.5 or less, preferably pH 13. The electrolyzed water is preferably an aqueous sodium chloride solution, but other electrolyzed water may be used.

  Subsequently, at least one of black silica powder, carbon powder, tourmaline powder, copper powder, magnet powder, and clay is mixed with the titanium oxide powder, and the mixture is heated to 500 ° C. or higher and 1000 ° C. under an ultraviolet irradiation environment. Heat for about 1 hour at the following temperature to make a mixing accelerator. The proportion of the material constituting the mixing accelerator is preferably 0.15 wt% or more and 0.5 wt% or less of titanium oxide with respect to the total amount of functional water described in detail later. Also, black silica is 0.03 wt% or more and 0.05 wt% or less, carbon is 0.01 wt% or more and 0.05 wt% or less, tourmaline is 0.02 wt% or more and 0.06 wt% or less, and copper is 0.03 wt% or more. 0.08 wt% or less, the magnet is 0.01 wt% or more and 0.05 wt% or less, and the clay is 0.005 wt% or more and 0.01 wt% or less. As the magnet, a ferrite magnet, an alnico magnet, or the like can be used. The particle size of the material constituting the mixing accelerator is 0.001 mm or more and 1 mm or less, preferably 0.075 mm or more and 0.15 mm or less. Only the titanium oxide powder may be used as the mixing accelerator. When only the titanium oxide powder is used, heating and ultraviolet irradiation may not be performed.

  The above mixing accelerator is added to alkaline electrolyzed water, and stirred while irradiating with ultraviolet rays to prepare functional water. The mixing ratio of the mixing accelerator is 0.15 wt% or more and 0.8 wt% or less with respect to the total amount of functional water.

  Combustible oil, fats and oils are mixed with the functional water and stirred while irradiating with ultraviolet rays to prepare a water / oil mixture. The combustible oil is preferably fossil fuel such as heavy oil, light oil, kerosene and gasoline. The oil / fat is preferably palm oil but may be beef tallow. Moreover, it may replace with fats and oils and a fatty acid may be mixed, and in this case, it is preferable to use oleic acid as a fatty acid. Alcohol assists the ignitability of the water-oil mixed fuel. The composition ratio of the water-oil mixture is 55 wt% to 70 wt% for functional water, 30 wt% to 45 wt% for combustible oil, 1 wt% to 7 wt% for fat and oil, and 1 wt% to 7 wt% for alcohol. The total of the functional water, flammable oil, fats and alcohols is 100% or less. The time for mixing and stirring the flammable oil, fat and alcohol in the functional water is about 30 minutes at room temperature, but the stirring time is appropriately changed according to the degree of preparation of the water and flammable oil emulsion. Also good.

  The water / oil mixture is cooled at a temperature of −20 ° C. or higher and −10 ° C. or lower. A preferred cooling temperature is −20 ° C. When the water / oil mixture is cooled at a temperature of −20 ° C. or more and −10 ° C. or less for 2 to 3 hours, a frozen portion and a non-freezing portion are formed in the water / oil mixture. The non-freezing part of this water-oil mixture is formed as a supernatant in a freezing container. The non-freezing portion of the water / oil mixture is taken out to complete the water / oil mixed fuel.

  The frozen part of the water-oil mixture is reused for the production of new water-oil mixed fuel. That is, the frozen part of the water-oil mixture is thawed, and functional water, flammable oil, fats and alcohol are newly mixed in the melted water-oil mixture, and stirred while irradiating with ultraviolet rays. The mixing ratio of the functional water, the combustible oil, the oil and fat, and the alcohol to be newly mixed is set to the same ratio as when the original water-oil mixture in which the frozen portion was formed was produced. Thereby, a 2nd water-oil mixture is obtained. The second water / oil mixture is cooled at a temperature of −20 ° C. or higher and −10 ° C. or lower, and the non-freezing portion is taken out to complete the water / oil mixed fuel. The frozen portion of the second water / oil mixture is further melted, mixed with functional water, combustible oil, and the like, and stirred to produce a third water / oil mixture.

  FIG. 1 is a schematic view showing a production apparatus for producing the water / oil mixed fuel of the present invention. This water-oil mixed fuel manufacturing apparatus 1 includes an oil tank 2 for storing combustible oil, an accelerator container 3 enclosing a mixing accelerator, an electrolyzer 4 for producing electrolyzed water, functional water and water oil. A stirring device 5 for producing a mixture, a cooling device 8 for cooling the water-oil mixture, and a fuel tank 9 for storing the water-oil mixed fuel are provided.

  The accelerator container 3 can be formed into a cartridge that is filled with a mixing accelerator and can be attached to and detached from the stirring device 5 or a bag that can be accommodated in the stirring device 5. In particular, by forming a cartridge that can be attached to and detached from the stirring device 5, the handling of the mixing accelerator can be facilitated.

  The electrolysis device 4 is an electrolysis device having an ion exchange membrane, and supplies alkaline electrolyzed water generated on the cathode side to the stirring device 5.

  The stirring device 5 includes an ultraviolet lamp 6 that irradiates the target to be mixed and stirred with ultraviolet rays. The stirring device 5 mixes the mixing accelerator in the promoter container 3 and the electrolyzed water supplied from the electrolyzer 4, and produces functional water by stirring while irradiating with ultraviolet rays. Furthermore, the stirring device 5 mixes the combustible oil supplied from the oil tank 2 with the functional water, and stirs while irradiating with ultraviolet rays to produce a water-oil mixture.

  FIG. 2 is a diagram illustrating an example of the stirring device 5. The stirring device 5 has a glass container 52 in a casing 51. In the container 52, a stirring blade 53 that is rotationally driven, an accelerator rotation retainer 54 that is rotationally driven while holding the mixing accelerator, a magnet accommodating part 55 installed on the bottom surface, and a magnet accommodating part 55 An ultraviolet lamp 62 is provided on the bottom surface side. The stirring blade 53 is driven by the motor M1 via the drive shaft D1, and is rotationally driven around the central axis of the container 52 as indicated by an arrow R1. The accelerator rotation retainer 54 is formed of stainless punching metal, and holds the bag body S in which the mixing accelerator is enclosed. The bag S as the accelerator container is formed of a mesh-like woven fabric. The accelerator rotation retainer 54 is driven by the motor M2 via the drive shaft D2 while holding the bag body S in which the mixing accelerator is sealed, and around the central axis of the container 52 as indicated by an arrow R2. Is driven to rotate. A plurality of ultraviolet lamps 61 and 63 are installed in the casing 51 so as to surround the container 52. A supply pipe 56 that is switchably connected to the oil tank 2 and the electrolysis device 4 is connected to the container 52. The open / close valve 58 provided in the supply pipe 56 is opened, and combustible oil or alkaline electrolyzed water is supplied from the oil tank 2 or the electrolyzer 4. Further, a discharge pipe 57 connected to the cooling device 8 is connected to the container 52. The open / close valve 59 provided in the discharge pipe 57 is opened, and the water / oil mixture obtained by mixing and stirring the functional water and the combustible oil in the container 52 is discharged toward the cooling device 8.

  The stirring device 5 operates as follows. First, the bag S enclosing the mixing accelerator is stored in the container 52, and the container 52 is closed. Thereafter, the connection destination of the supply pipe 56 is switched to the electrolysis device 4, the open / close valve 58 is opened, and alkaline electrolyzed water is supplied into the container 52. When a predetermined amount of alkaline electrolyzed water is supplied into the container 52, the open / close valve 58 is closed and the motor M2 is operated to rotate the accelerator rotation retainer 54. In addition, power is supplied to the ultraviolet lamps 61, 62, 63, and the ultraviolet lamps 61, 62, 63 are turned on. As a result, a swirling flow of alkaline electrolyzed water is formed in the container 52 under the environment where the ultraviolet lamps 61, 62, and 63 irradiate the ultraviolet light, and the alkaline electrolyzed water and the bag in the accelerator rotating retainer 54 are formed. The mixing accelerator in the body S is mixed and stirred. When the mixing and stirring of the alkaline electrolyzed water and the mixing accelerator is performed for a predetermined time, the motor M2 is stopped and the ultraviolet lamps 61, 62, 63 are turned off, and functional water is created in the container 52.

  Subsequently, the connection destination of the supply pipe 56 is switched to the oil tank 2 and the open / close valve 58 is opened to add combustible oil into the container 52 in which a predetermined amount of functional water is stored. When the container 52 is filled with functional water and combustible oil, the open / close valve 58 is closed, the motors M1 and M2 are operated, the stirring blade 53 is driven to rotate, and the accelerator rotation retainer 54 is driven to rotate. Further, power is supplied to the ultraviolet lamps 61, 62, 63, and the ultraviolet lamps 61, 62, 63 are turned on. As a result, a swirling flow of functional water and combustible oil is formed in the container 52 under an environment where ultraviolet rays are irradiated by the ultraviolet lamps 61, 62, and 63, and the functional water, combustible oil, and accelerator are formed. The mixing accelerator in the bag body S in the rotary cage 54 is mixed and stirred. When the functional water, the combustible oil, and the mixing accelerator are mixed and stirred for a predetermined time, the motors M1 and M2 are stopped and the ultraviolet lamps 61, 62, and 63 are turned off, and a water-oil mixture is created in the container 52. The Thereafter, the opening / closing valve 59 is opened, and the water / oil mixture in the container 52 is discharged toward the cooling device 8 through the discharge pipe 57.

  The cooling device 8 cools the water / oil mixture supplied from the stirring device 5 at a temperature of −20 ° C. or more and −10 ° C. or less, and supplies the non-freezing portion of the water / oil mixture to the fuel tank 9. The cooling device 8 has a heating function, and heats and melts the frozen portion of the water / oil mixture, and stirs the melted water / oil mixture through the return line 11 connected between the cooling device 8 and the stirring device 5. It is formed so as to return to the device 5. The return line 11 is provided with an open / close valve 12 that is opened when the molten water / oil mixture is returned to the stirring device 5.

  The fuel tank 9 is supplied with a non-freezing portion of the water / oil mixture from the cooling device 8 and stores this as a water / oil mixed fuel. The fuel tank 9 is connected to a combustion device 13 that burns the water-oil mixed fuel. The fuel tank 9 may be connected to a prime mover such as an internal combustion engine in addition to the combustion device 13 to supply water / oil mixed fuel.

  The water-oil mixed fuel of this embodiment can make the content rate of water and combustible oil 70% and 30%. Therefore, the amount of combustible oil used can be effectively reduced. Further, the water-oil mixed fuel of the present embodiment has a total calorific value of 40,000 J / g or more and 47,000 J / g or less, and a calorific value equal to or greater than 42,000 J / g, which is the total calorific value of heavy oil A. Is obtained. Therefore, the amount of fossil fuel used can be effectively reduced and high heat generation efficiency can be obtained.

Hereinafter, the present invention will be described in more detail with reference to examples.
As examples, water-oil mixed fuels using different combustible oils and mixing accelerators were prepared, and specific gravity and calorific value were measured. Furthermore, in Examples 1 and 2, the production amounts of NOx and CO ₂ accompanying combustion of the water / oil mixed fuel were measured. Further, as a comparative example, the specific gravity and the calorific value, and the production amounts of NOx and CO ₂ accompanying combustion were measured for only the A heavy oil. Specific gravity was measured using a specific gravity buoy. NOx was measured using a measuring instrument conforming to JIS-B7982, and CO ₂ was analyzed based on JIS-K 7217. About calorific value, the Shimadzu-Thermo type automatic bomb calorimeter was used, and the total calorific value was measured based on JIS K2279.

In Examples 1 to 4, the materials of the mixing accelerator used when producing the functional water and water / oil mixture are as shown in Table 1.

In Examples 1 to 4, the materials used when forming the water-oil mixture are as shown in Table 2.

Table 3 shows the measurement results of calorific value and specific gravity performed on Examples 1 to 4 and A heavy oil of Comparative Example.

Moreover, the measurement results of NOx and CO ₂ performed on Examples 1 and 2 and the A heavy oil of the comparative example are as shown in Table 4.

As can be seen from Table 3, the water-oil mixed fuel of the example can obtain a higher calorific value than the conventional one, although the water content ratio is higher than the conventional one. Moreover, Example 1 which used A heavy oil as combustible oil can obtain the emitted-heat amount higher than the simple substance of A heavy oil. In addition, in both Examples 2 and 3 using kerosene as the flammable oil and Example 4 using light oil as the flammable oil, a calorific value higher than that of the A heavy oil alone is obtained. Furthermore, as can be seen from Table 4, both Example 1 using heavy fuel oil A as combustible oil and Example 2 using kerosene produced NOx and CO ₂ as compared to the single fuel oil A. Can be reduced.

DESCRIPTION OF SYMBOLS 1 Manufacturing apparatus of water-oil mixed fuel 2 Oil tank 3 Accelerator container 4 Electrolyzer 5 Stirrer 6 Ultraviolet lamp 8 Cooling device 9 Fuel tank

Claims (16)

A functional water preparation process in which titanium oxide powder is added to alkaline electrolyzed water and stirred while irradiating ultraviolet rays to prepare functional water;
Mixing the functional water and combustible oil, stirring the mixture while irradiating with ultraviolet rays to produce a water-oil mixture,
A method for producing a water / oil mixed fuel, comprising: a cooling / separating step of cooling the water / oil mixture to freeze a part thereof and taking out an unfrozen portion to generate a water / oil mixed fuel. In the manufacturing method of the water-oil mixed fuel of Claim 1,
A method for producing a water-oil mixed fuel, wherein at least one of black silica powder, carbon powder, tourmaline powder, copper powder, magnet powder and clay is added to the alkaline electrolyzed water in the functional water preparation step. . In the manufacturing method of the water-oil mixed fuel of Claim 1,
A method for producing a water / oil mixed fuel, wherein the oil / fat is further mixed in the water / oil mixing step. In the manufacturing method of the water-oil mixed fuel of Claim 3,
The said fats and oils are palm oil or beef tallow, The manufacturing method of the water-oil mixed fuel characterized by the above-mentioned. In the manufacturing method of the water-oil mixed fuel of Claim 1,
A method for producing a water-oil mixed fuel, comprising a water refining step for refining a molecular group of water before the electrolysis step. In the manufacturing method of the water-oil mixed fuel of Claim 5,
In the water refinement process, water is passed through a reverse osmosis membrane, water is irradiated with electromagnetic waves, or a water stream is formed to collide with a solid or other water stream. Production method. In the manufacturing method of the water-oil mixed fuel of Claim 1,
Mix the frozen part of the water-oil mixture obtained in the cooling separation step above, the functional water obtained by adding titanium oxide powder to alkaline electrolyzed water and stirring while irradiating with ultraviolet light, and flammable oil. A second water-oil mixing step of stirring while irradiating to form a second water-oil mixture;
A second cooling separation step of cooling the second water / oil mixture to freeze a part thereof and taking out the non-freezing portion to obtain a water / oil mixture fuel. Method. In the manufacturing method of the water-oil mixed fuel of Claim 1 or 7,
The said cooling separation process cools the said water-oil mixture at -20 degreeC or more and -10 degrees C or less, The manufacturing method of the water-oil mixed fuel characterized by the above-mentioned. In the manufacturing method of the water-oil mixed fuel of Claim 1,
The alkaline electrolyzed water used in the functional water preparation step has a pH of 11 or more and 13.5 or less, and a method for producing a water / oil mixed fuel. In the manufacturing method of the water-oil mixed fuel of Claim 1,
Production of water-oil mixed fuel, characterized in that the proportion of titanium oxide powder added to alkaline electrolyzed water in the functional water preparation step is 0.15 wt% or more and 0.5 wt% or less with respect to the total amount of the functional water Method. In the manufacturing method of the water-oil mixed fuel of Claim 2,
At least one of the titanium oxide powder, black silica powder, carbon powder, tourmaline powder, copper powder, magnet powder and clay is preheated at 500 ° C. or higher and 1000 ° C. or lower under an ultraviolet irradiation environment. A method for producing a water-oil mixed fuel, comprising: In the manufacturing method of the water-oil mixed fuel of Claim 1,
A method for producing a water-oil mixed fuel, wherein alcohol is further mixed in the water-oil mixing step. A functional water preparation process in which titanium oxide powder is added to alkaline electrolyzed water and stirred while irradiating ultraviolet rays to prepare functional water;
Mixing the functional water and combustible oil, stirring the mixture while irradiating with ultraviolet rays to produce a water-oil mixture,
The water-oil mixture is cooled and partly frozen, and is manufactured through a cooling separation step in which a non-freezing portion is taken out to produce a water-oil mixed fuel. The content ratio of functional water is 55 wt% or more and 70 wt% or less, A water-oil mixed fuel, wherein the combustible oil content is 30 wt% or more and 45 wt% or less, and the total of the functional water and the combustible oil is 100% or less. The water-oil mixed fuel according to claim 13,
A water-oil mixed fuel having a calorific value of 40,000 J / g or more and 47,000 J / g or less. An apparatus for producing a water / oil mixed fuel for carrying out the method for producing a water / oil mixed fuel according to claim 1,
An electrolyzer that electrolyzes water to produce alkaline electrolyzed water;
A material in which titanium oxide powder is added to alkaline electrolyzed water generated by the electrolyzer is stirred while irradiating ultraviolet rays to produce functional water, and a material in which flammable oil is mixed in the functional water, A stirrer that stirs while irradiating with ultraviolet light to produce a water-oil mixture;
A cooling device for cooling the water-oil mixture produced by the stirring device;
A fuel storage unit to which an unfrozen portion of the water-oil mixture cooled by the cooling device is guided;
An apparatus for producing a water-oil mixed fuel, comprising: a return line for returning a frozen portion of the water-oil mixture cooled by the cooling device to the stirring device. The apparatus for producing a water-oil mixed fuel according to claim 15,
An apparatus for producing a water-oil mixed fuel, comprising a cartridge in which titanium oxide powder is enclosed in advance and is detachably attached to the stirring device.

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