JP4413875B2 - Mixing device and fuel supply device - Google Patents

Description

  The present invention relates to a filter device and a fuel supply device, and in particular, a filter device that mixes fossil fuels such as heavy oil, light oil, and kerosene and water, and pulverizes the mixed fuel containing fossil fuel and water, and the filter device. The present invention relates to a fuel supply device.

  Conventionally, in order to reduce harmful substances such as nitrogen oxides (NOx), sulfur oxides (SOx), black smoke, etc. in exhaust gas when operating engines such as diesel engines, fuel and additives such as water are used. It is known to use a mixed water emulsion (Emulsion) fuel. Since water emulsion fuel is an unstable fuel that is made by forcibly mixing oil and water that have no affinity for each other, water emulsion fuel is well mixed with additives such as water and water. In order to do so, additives are used. For example, a surfactant is used as the additive.

  Further, in research on the combustion of water emulsion fuel, a common technical issue is how to increase the proportion of water that can be added to the fuel. The water emulsion fuel must not be separated in a short time after production, and must not have a low degree of oil-water dispersion, and oil / water particles are required to have fine particles with an average particle size of 5 μm or less. It has been.

  For this reason, in a conventional water emulsion fuel supply device, a filter used for mixing oil and water into fine particles is made of shirasu porous glass having a particle diameter of 5 μm, and is shaped like a disk. Or what was formed in the cylindrical shape was used. At this time, a plurality of shirasu porous glass filters were arranged in descending order of the particle diameter, and oil and water particles were stepped into fine particles of 5 μm or less stepwise.

Here, shirasu and is a kind of volcanic ejecta widely distributed in southern _{Kyushu, SiO 2,} Ai 2 O ₃ as the main component of the _{magma, Fe 2 O 3, FeO,} MgO, CaO, Na 2 O, K ₂ O and the like are collected together and crystallized as minerals, and then explosively explode soon after. The shirasu porous glass is formed by synthesizing shirasu, lime and boric acid at a temperature of about 1350 ° C., and further subjecting to heat treatment or acid treatment with hydrochloric acid.
Patent Document 1 discloses an example of a technique related to emulsion fuel. Patent Document 2 discloses an example of a technique related to a filter made of shirasu porous glass used for mixing light oil and water flowing in at high pressure.
JP 2002-257335 A Japanese Patent Laying-Open No. 2005-127196 (particularly paragraphs 0038 to 0041, FIG. 3)

However, when oil and water are each finely mixed using a filter made of shirasu porous glass, clogging occurs due to the very fine particle size of the filter, and it is necessary to replace the filter periodically. Has occurred. Also in this case, an additive such as a surfactant has been used in order to improve the mixing of the fuel and an additive such as water.
The present invention is a filter capable of mixing fossil fuel and water with a simple configuration, reducing the occurrence of clogging, and using no additives, and finely purifying the mixed fuel containing fossil fuel and water into fine particles. An object is to provide a device and a fuel supply device.

The filter device according to the present invention has an inflow port and an outflow port, mixes fossil fuel and water fed by pressure from the inflow port, pulverizes the mixed fuel containing fossil fuel and water, and flows out from the outflow port. A filter device having a cylindrical filter plate housing portion and an inflow port side as a front surface, an outflow port side as a back surface, and a side surface abutting against an inner wall of the filter plate housing portion, and stacked in the filter plate housing portion. A plurality of filter plates formed in a plate shape, a channel formed in a concave shape on the surface of each of the plurality of filter plates, and a front surface and a back surface of each of the plurality of filter plates connected to the channel And a through hole formed so as to penetrate between the two.
By adopting such a configuration, fossil fuel and water are mixed with a simple configuration while reducing the occurrence of clogging and using no additives, and the mixed fuel containing fossil fuel and water is finely divided. And can be purified.

At this time, among the plurality of filter plates, the flow path on one surface of the filter plate facing each other and the through hole on the other back surface of the filter plate facing each other are arranged to face each other. .
By doing in this way, the mixed fuel which passes a through-hole from the other surface side of the mutually opposing filter board to the back surface side is sequentially pumped on the flow path on the one surface of the mutually opposing filter board, and mixed fuel The fuel mixture can be reliably atomized each time the fuel cell collides with the flow path on the surface of the filter plate.

The through hole is preferably formed in a cylindrical shape, and the inner diameter of the through hole is preferably 0.3 mm or less. The channel has a concave groove formed on the surface of the filter plate, and the cross-sectional area of the concave groove is preferably substantially the same as the cross-sectional area of the through hole.
Thereby, the average particle diameter of each particle of the mixed fuel flowing out from the outlet can be reliably reduced to 5 μm or less.

A fuel supply device according to the present invention includes a fossil fuel tank that stores fossil fuel, a water tank that stores water, an inlet and an outlet, and fossil fuel that is pumped and supplied from the inlet. It is connected to a fossil fuel tank and water tank that mixes water, finely mixes fossil fuel and water-containing fuel, and flows out from the outlet, and is connected to the fossil fuel tank and water tank. A fuel supply device that supplies a mixed fuel flowing out from the outlet of the filter device to the internal combustion engine, the pressure supply device supplying a pressure from the tank to the inlet of the filter device, and the filter device is a cylindrical filter The plate accommodating portion, the inlet side is the front surface, the outlet side is the rear surface, the side surface is abutted against the inner wall of the filter plate accommodating portion, and is laminated in the filter plate accommodating portion, and is formed in a plate shape Multiple A filter plate, a channel formed in a concave shape on the surface of each of the plurality of filter plates, and a through hole connected to the channel and formed between the surface and the back surface of each of the plurality of filter plates. It is characterized by having.
By adopting such a configuration, fossil fuel and water are mixed with a simple configuration while reducing the occurrence of clogging and using no additives, and the mixed fuel containing fossil fuel and water is finely divided. The finely divided mixed fuel can be stably supplied to the internal combustion engine.

At this time, among the plurality of filter plates, the flow path on one surface of the filter plate facing each other and the through hole on the other back surface of the filter plate facing each other are arranged to face each other.
By doing in this way, the mixed fuel which passes a through-hole from the other surface side of the mutually opposing filter board to the back surface side is sequentially pumped on the flow path on the one surface of the mutually opposing filter board, and mixed fuel The fuel mixture can be reliably atomized each time the fuel cell collides with the flow path on the surface of the filter plate.

The through hole is preferably formed in a cylindrical shape, and the inner diameter of the through hole is preferably 0.3 mm or less. The channel has a concave groove formed on the surface of the filter plate, and the cross-sectional area of the concave groove is preferably substantially the same as the cross-sectional area of the through hole.
Thereby, the average particle diameter of each particle of the mixed fuel flowing out from the outlet can be reliably reduced to 5 μm or less.

Moreover, the mixing tank provided between the outflow port of the filter apparatus and the internal combustion engine may be further provided, and the mixing tank may store the mixed fuel flowing out from the outflow port of the filter apparatus.
Thereby, the finely mixed fuel can be supplied to the internal combustion engine more stably.

Also, a first fuel supply route for supplying fossil fuel from a fossil fuel tank to the inlet of the filter device via a pressure pump together with water in the water tank, and supplying fossil fuel from the fossil fuel tank to the internal combustion engine A switching valve that can switch between the first and second fuel supply routes.
Thereby, it is possible to select one of two types of fuels, that is, a mixed fuel containing fossil fuel and water or fossil fuel, and supply the fuel to the internal combustion engine.

  According to the present invention, fossil fuel and water can be mixed with a simple structure while reducing the occurrence of clogging and without using an additive, and the mixed fuel containing fossil fuel and water can be refined into fine particles.

A filter device and a fuel supply device according to an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a schematic diagram showing an overall configuration of a fuel supply apparatus according to an embodiment of the present invention. In addition, each arrow in FIG. 1 has shown the direction through which the fossil fuel, water, the fossil fuel, and the mixed fuel containing water flow.

  As shown in FIG. 1, the fuel supply device 1 according to the embodiment of the present invention includes a fossil fuel tank 10, a water tank 20, a mixing tank 30, two filter devices 100a and 100b, and four pressure pumps P1 to P4. Three filters F1 to F3, two switching valves B1 and B2, and pipes H1 to H18 for connecting each device are provided. The fuel supply device 1 according to the embodiment of the present invention has a fuel supply route for supplying two types of fuel, a mixed fuel containing fossil fuel and water and a fossil fuel, to an engine E as an internal combustion engine.

  The fossil fuel tank 10 stores fossil fuels such as light oil, heavy oil, and kerosene. Water is stored in the water tank 20. The mixing tank 30 is provided between an outlet of the filter device 100a, which will be described later, and the engine E. The mixing tank 30 is a mixed fuel containing fossil fuel and water that flows out of the outlet 102 of the filter device 100a. However, it is accumulated. As the material for the fossil fuel tank 10, the water tank 20, and the mixing tank 30, a metal material such as stainless steel or a resin material such as ABS is used. Each pipe H1-H18 is used for connecting each apparatus, and each pipe H1-H18 is formed in a cylindrical shape with a metal material such as stainless steel.

  The filter devices 100a and 100b each have an inflow port 101 and an outflow port 102, and mix fossil fuel and water pumped and fed from the inflow port 101 by the pressure pump P3 or P4, thereby mixing fossil fuel and water. And flow out from the outlet 102. A detailed description of the configuration of the filter devices 100a and 100b will be described later.

  The filters F1 to F3 are used to remove impurities in the fossil fuel, water, fossil fuel, and mixed fuel containing water flowing in the pipes H3, H4, and H16 in the direction of the arrow shown in FIG. Here, the filters F1 and F3 are fossil fuel filters. For the fossil fuel filters, for example, a laminate of a plurality of sheets of paper is used. The filter F2 is a water filter, and a stainless steel mesh filter is used as the water filter, for example.

The pressure pumps P1 to P4 pump fossil fuel flowing through the pipes H2, H5, H7, and H10, water, a fossil fuel, and a mixed fuel containing water in the directions of the arrows in FIG.
As shown in FIG. 1, the pressure pump P1 is connected to a fossil fuel tank 10 via pipes H1 and H2 and an electronic switching valve B1, and the fossil fuel is pressure pumped via filters F1 and F2 and pipes H4 and H7. Pump to P3. Further, as shown in FIG. 1, the pressure pump P2 is connected to the water tank 20 via a pipe H2, and pumps water to the pressure pump P3 via a filter F2 and pipes H6 and H7.

  Further, as shown in FIG. 1, the pressure pump P3 is connected to the filter F2 via the pipe H7, and pumps fossil fuel and water to the mixing tank 30 via the filter device 100a and the pipes H8 and H9. That is, the pump P3 is connected to the fossil fuel tank 10 and the water tank 20 via a plurality of pipes H1 to H7 and a plurality of filters F1 and F2, and a mixed fuel containing fossil fuel and water is supplied to the fossil fuel tank 10 and The water tank 20 is supplied by pressure to the inlet 101 of the filter device 100a.

  The pressure pump P4 is connected to the mixing tank 30 via the pipe H10, and pumps the mixed fuel containing fossil fuel and water to the mixing tank 30 via the filter device 100b and the pipes H11 and H12. The pressure pump P4 is used to circulate the mixed fuel containing fossil fuel and water stored in the mixing tank 30 through the filter device 100b and the pipes H10 to H12.

  The switching valves B1 and B2 are both three-way valves, and control the flow direction of the fossil fuel that flows in and the mixed fuel that includes fossil fuel and water, together with the flow amount. As shown in FIG. 1, the switching valve B1 is arranged between the pipes H1, H2, and H16, and switches the fossil fuel flowing out from the pipe H1 to the direction of the pipe H2 or the direction of the pipe H16. . Here, when only fossil fuel is supplied to the engine E, the switching valve B1 switches the outflow direction of the fossil fuel flowing in from the pipe H1 to the direction of the pipe H16. On the other hand, when supplying fossil fuel containing fossil fuel and water to the engine E, the switching valve B1 switches the outflow direction of the fossil fuel flowing in from the pipe H1 to the direction of the pipe H2.

  Further, the switching valve B2 is disposed between the pipes H14, H15, and H18, and the outflow direction of the fossil fuel flowing in from the pipe H14 or the mixed fuel containing fossil fuel and water is set to the direction of the pipe H15 or the pipe H18. Switch to the direction. Here, when only fossil fuel is supplied to the engine E, the switching valve B2 switches the outflow direction of the fossil fuel flowing in from the pipe H14 to the direction of the pipe H18. On the other hand, when fossil fuel containing water and fossil fuel is supplied to the engine E, the switching valve B2 switches the outflow direction of fossil fuel containing water and fossil fuel flowing from the pipe H14 to the direction of the pipe H15.

Next, the operation of the fuel supply apparatus according to the embodiment of the present invention will be described with reference to the drawings.
First, the case where fossil fuel containing fossil fuel and water is supplied to the engine E will be described. At this time, the switching valve B1 controls the outflow direction of the fossil fuel flowing in from the pipe H1 to the direction of the pipe H2, and the switching valve B2 controls the outflow direction of the fossil fuel including water and fossil fuel flowing in from the pipe H14. Switching control is performed in the direction of the pipe H15.

  As shown in FIG. 1, the fossil fuel flowing out from the fossil fuel tank 10 is pumped to the pipe H7 through the switching valve B1, pipes H1 to H4, and the filter F1 by the pump P1. Further, the water flowing out from the water tank 20 is pumped to the pipe H7 through the filter F2 and the pipe H6 by the pump P2. At this time, when the fossil fuel is light oil, the ratio of light oil to water is set to 4: 1, for example. The ratio of fossil fuel to water can be changed according to the type of fossil fuel and the purpose of use.

Next, the fossil fuel from the fossil fuel tank 10 and the water from the water tank 30 are pumped and supplied to the inlet 101 of the filter device 100a through the pipe 8 by the pump P3.
Next, the filter device 100a mixes the fossil fuel and water fed from the inlet 101 by the pressure pump P3, and the mixed fuel containing the fossil fuel and water is atomized and flows out from the outlet 102. A detailed description of the operation of the filter device 100a will be described later.
Next, the mixed fuel containing fossil fuel and water, which has flowed out from the outlet 102 of the filter device 100a, flows into the mixing tank 30 via the pipe H9.

As shown in FIG. 1, the mixing tank 30 is connected to a circulation channel composed of a filter device 100b, pipes H10 to H12, and a pump P4, and the fossil in the mixing tank 30 is driven by the power of the pump P4. The mixed fuel containing fuel and water is repeatedly pumped and supplied to the inlet 101 of the filter device 100b, is made into fine particles, and flows out from the outlet 102 of the filter device 100b. A detailed description of the operation of the filter device 100b will be described later.
With this configuration, the mixed fuel stored in the mixing tank 30 is always maintained in a finely divided state, and the finely mixed fuel can be supplied to the engine E more stably. .

Next, the mixed fuel containing fossil fuel and water is supplied from the mixing tank 30 to the engine E through the pipe H13 and is ejected from an injection device (not shown) in the engine E. Then, the mixed fuel ejected from the injection device of the engine E is ignited.
At this time, among the mixed fuel injected by the injection device in the engine E, the fossil fuel fine particles receive heat and burn. At the same time, the fine water particles contained in the fuel mixture are heated by receiving radiant heat from the combustion of the fossil fuel fine particles, reaching the boiling point, causing micro explosions one after another, and scattering the surrounding fossil fuel fine particles. Cause secondary micronization. The mixed fuel remaining in the engine E flows into the mixing tank 30 via the switching valve B2 and the pipes H14 and H15.

In this way, fossil fuels instantly become ultrafine particles, which increases the contact area between fossil fuel / water and air, rapidly complete combustion, and reduces the generation of smoke and unburned carbon in combustion exhaust gas. it can. Further, the increase in the contact area between the fossil fuel / water and the air can suppress the excess air necessary for combustion, so that the energy saving effect is increased.
Here, in general, NOx generated by a chemical reaction between nitrogen (N) and oxygen in the air is mainly in the process of combustion, that is, combustion of gas components → combustion of charcoal → residual coke-like unburned residue. In the process, the amount of carbon dioxide increases due to the formation of local high-temperature parts by the luminous flame.

The fine particles of the fossil fuel and water in the mixed fuel supplied by the fuel supply device according to the present invention are very fine because the filter devices 100a and 100b, which will be described in detail later, are used, and the water is fossil fuel. It is evenly distributed inside. For this reason, the flame can be made uniform, a high temperature region does not occur locally, and most of the fine particles of fossil fuel and water in the mixed fuel are completely burned. Therefore, the generation of NOx generated by a chemical reaction between nitrogen and oxygen in the air can be reduced.
Moreover, as a result of suppressing the excess air necessary for combustion low, the amount of air supplied for combustion of the mixed fuel can be reduced, the nitrogen concentration in the air can be lowered, and the amount of NOx generated can be reduced.

  Furthermore, nitrogen is also contained in fossil fuels in addition to air, and combustion of fossil fuels converts nitrogen in fossil fuels to NOx to generate NOx. Air supplied for combustion of mixed fuels Since the amount could be reduced, the conversion rate can be lowered, and as a result, the generation of NOx can be reduced. In addition, the conversion rate of nitrogen in the fossil fuel to NOx is usually 25% to 50%.

Next, the case where only fossil fuel is supplied to the engine E will be described.
At this time, the switching valve B1 switches and controls the outflow direction of fossil fuel flowing from the pipe H1 to the direction of the pipe H16, and the switching valve B2 switches the outflow direction of fossil fuel flowing from the pipe H14 to the direction of the pipe H18. Control.
As shown in FIG. 1, the fossil fuel flowing out from the fossil fuel tank 10 is supplied to the engine E by the pump P1 through the switching valve B1, pipes H1, H16, H17, and the filter F3. It is ejected from the inside injection device (not shown). Then, the mixed fuel ejected from the injection device of the engine E is ignited. The fossil fuel injected by the injection device in the engine E receives heat and burns. The fossil fuel remaining in the engine E flows into the chemical fuel tank 10 through the switching valve B2 and the pipes H14 and H18.

  As described above, the fossil fuel is supplied from the fossil fuel tank 10 to the inlet 101 of the filter device 100a via the pressure pump P1 together with the water in the water tank 20, and the fossil fuel is supplied with fossil fuel. And a second fuel supply route for supplying the engine E to the engine E, and a switching valve B1 capable of switching between the first and second fuel supply routes is further provided, thereby mixing fossil fuel and water. The fuel can be supplied to the engine E by selecting one of the two types of fuels, that is, fuel and fossil fuel.

Next, the configuration of the filter devices 100a and 100b according to the embodiment of the present invention will be described with reference to the drawings.
FIG. 2 is a schematic diagram showing the configuration of the filter device according to the embodiment of the present invention, in which the left diagram is an external view and the right diagram is a cross-sectional view. 2 are equivalent to the cross-sectional views shown in the right diagrams of FIGS. 3B, 4B, and 5B, respectively. Each arrow indicates the direction in which the mixed fuel containing fossil fuel and water flows.

3A and 3B are diagrams showing the configuration of the outer filter plate on the inflow side. FIG. 3A is a plan view when viewed from the surface side, the left view of FIG. 3B is an external view, and the right view is A- It is sectional drawing seen from the side surface side when cut | disconnecting along A cutting line.
4A and 4B are diagrams showing the configuration of the outer filter plate on the outflow side. FIG. 4A is a plan view when viewed from the front side, the left view of FIG. 4B is an external view, and the right view is B- It is sectional drawing seen from the side surface side when cut | disconnecting along a B cutting line.

FIG. 5 is a diagram showing the configuration of the first inner filter plate. FIG. 5A is a plan view when viewed from the front surface side, the left diagram of FIG. 5B is an external view, and the right diagram is C- It is sectional drawing seen from the side surface when cut | disconnecting along a C cutting line.
FIG. 6 is a diagram showing the configuration of the second inner filter plate. FIG. 6A is a plan view when viewed from the front side, the left diagram of FIG. 6B is an external view, and the right diagram is D- It is sectional drawing seen from the side surface side when cut | disconnecting along a D cut line.

As shown in FIG. 2, the filter devices 100 a and 100 b according to the embodiment of the present invention include a filter plate housing portion 110, a filter plate lid portion 120, and a plurality of filter plates 210 to 240. The filter devices 100a and 100b each have an inflow port 101 and an outflow port 102, and mix fossil fuel and water pumped and fed from the inflow port 101 by the pressure pump P3 or P4, thereby mixing fossil fuel and water. And flow out from the outlet 102.
As shown in FIG. 2, the filter plate housing portion 110 is formed in a cylindrical shape having a bottom surface 110a on the outlet 102 side. A plurality of filter plates 210 to 240 are accommodated inside the filter plate accommodating portion 110 with the side surfaces being in contact with the inner wall 110d.

  As shown in FIG. 2, the filter plate housing portion 110 is formed with a through hole 110 b that penetrates from the bottom surface 110 a of the filter plate housing portion 110 toward the outlet 102. The through hole 110 b is provided to allow the mixed fuel, which is pumped through the filter plate housings 110 to 240, to flow out from the outlet 102. The inner diameter of the through hole 110b is formed from several hundred μm to several mm. Moreover, the thread part 110c is formed in the inner wall of the filter board accommodating part 110 on the opposite side to the outflow port 102 side. For example, stainless steel is used as the material of the filter plate housing portion 110.

  As shown in FIG. 2, the filter plate lid 120 is formed in a cylindrical shape. Further, the filter plate lid portion 120 is attached to the opposite side of the filter plate housing portion 110 with respect to the outflow port 102 side. A screw portion 120 c is formed on the outer peripheral surface of the filter plate lid portion 120. The threaded portion 110c of the filter plate housing portion 110 is screwed into the threaded portion 120c of the filter plate lid portion 120, and the plurality of filter plates 210 to 240 are stacked and held inside the filter housing portion 110. At this time, the plurality of filter plates 210 to 240 are sandwiched between the bottom surface 110 a of the filter plate housing portion 110 and the inner surface 120 a of the filter plate lid portion 120.

  A through-hole 120b that penetrates from the inlet 101 toward the inner surface 120a is formed at the center of the filter plate lid 120. The through hole 120b is provided to guide the fossil fuel, water, and mixed fuel containing these, which are pressure-fed and supplied from the inflow port 101 by the pressure pump P3 or P4, into the filter plate housing 110. The inner diameter of the through hole 120b is formed from several hundred μm to several mm. For example, stainless steel is used as the material of the filter plate lid 120.

  As shown in FIG. 2, a plurality of filter plates 210 to 240 are laminated inside the filter housing portion 110 with the inlet 101 side as the front surface and the outlet 102 side as the rear surface. At this time, as shown in FIG. 2, the side surfaces 210 a to 240 a of the filter plates 210 to 240 are in contact with the inner wall 110 d of the filter plate housing portion 110. In addition, ribs are provided on the outer peripheral end portions of the front surfaces of the filter plates 210 to 240 over the entire periphery, and the outer peripheral ends of the front and back surfaces of the filter plates 210 to 240 facing each other are in close contact with each other. Yes.

  As shown in FIG. 2, among the plurality of filter plates 210 to 240, the outer filter plate 210 on the inlet side is disposed closest to the inlet 101. As shown in FIG. 2, among the plurality of filter plates 210 to 240, the outer filter plate 220 on the outflow side is disposed closest to the outflow port 102. In addition, as shown in FIG. 2, two first inner filter plates 230 and one second inner filter 240 are composed of a back surface of the outer filter plate 210 on the inlet side and an outer filter plate on the outlet side. 220 is disposed between the surfaces. As shown in FIG. 2, the second inner filter plate 240 is disposed between the two inner filter plates 230.

As shown in FIGS. 2 to 6, each of the plurality of filter plates 210 to 240 is formed in a disk shape from a metal material such as stainless steel.
Also, as shown in FIGS. 2 to 6, one or more flow paths 210 c to 210 h, 220 c, 230 c to 230 g, and 240 c to 240 h formed in a concave shape are formed on the surfaces of the plurality of filter plates 210 to 240. Is formed. Among the plurality of flow paths 210c to 210h, 220c, 230c to 230g, and 240c to 240h, the widths and depths of the flow paths 210d to 210h, 230c to 230g, and 240d to 240h are both formed to be several hundred μm to several mm. ing. Further, each of the through holes 210b, 220b, 230b, 240b is one of the flow passages 210c-210h, 220c, 230c-230g, 240c-240h formed on the surface of each of the plurality of filter plates 210-240. And is formed so as to penetrate between the front and back surfaces of each of the plurality of filter plates 210 to 240. Each through hole 210b, 220b, 230b, 240b has an inner diameter of several hundred μm to several mm.

Next, the configuration of each filter plate will be specifically described with reference to FIGS. The arrows described in each of FIGS. 3 to 6 indicate directions in which a mixed fuel containing fossil fuel and water flows.
First, the configuration of the outer filter plate 210 on the inlet side will be described with reference to FIG.
As shown in FIGS. 3 (a) and 3 (b), the outer filter plate 210 on the inlet side is formed in a disk shape from a metal material such as stainless steel. As shown in FIGS. 3A and 3B, a plurality of channels 210c to 210h formed in a concave shape are formed on the surface of the outer filter plate 210 on the inlet side. Specifically, first, the flow path 210c is formed in a circular concave shape at the center on the surface of the outer filter plate 210 on the inlet side.

Further, the flow path 210h is formed in a groove shape over the entire circumference along the outer peripheral edge on the surface of the outer filter plate 210 on the inlet side. In addition, flow paths 210d to 210g are formed between the flow path 210c and the flow path 210h. The flow paths 210d to 210g extend radially from the center of the outer filter plate 210 on the inlet side toward the outer periphery, and are formed in a groove shape. In addition, between the flow path 210c and the flow path 210h is connected by the flow paths 210d to 210g.
Further, as shown in FIGS. 3A and 3B, four through holes 210b are connected to a flow path 210h formed on the surface of the outer filter plate 210 on the inlet side, and The outer filter plate 210 on the inlet side is formed so as to penetrate between the front surface and the back surface.

Next, the configuration of the outer filter plate 220 on the outlet side will be described with reference to FIG.
As shown in FIGS. 4 (a) and 4 (b), the outer filter plate 220 on the outlet side is formed in a disk shape from a metal material such as stainless steel. As shown in FIGS. 4A and 4B, a flow path 220c is formed in a circular concave shape at the center on the surface of the outer filter plate 220 on the outlet side.

  As shown in FIGS. 4A and 4B, one through hole 220b is connected to a flow path 220c formed on the surface of the outer filter plate 220 on the outlet side, and The outer filter plate 220 on the outlet side is formed so as to penetrate between the front surface and the back surface. As shown in FIGS. 4A and 4B, the through hole 220b is formed at the center of the outer filter plate 220 on the outlet side.

Next, the configuration of the first inner filter plate 230 will be described with reference to FIG.
As shown in FIGS. 5 (a) and 5 (b), the first inner filter plate 230 is formed in a disk shape from a metal material such as stainless steel. As shown in FIGS. 5A and 5B, a plurality of channels 230 c to 230 g formed in a concave shape are formed on the surface of the first inner filter plate 230. Specifically, first, the flow path 230c is formed in a groove shape over the entire circumference along the outer peripheral edge on the surface of the first inner filter plate 230.

Also, the flow passages 230d to 230g are through holes formed on the central portion side of the first inner filter plate 230 so as to be substantially parallel to the center line of the first inner filter plate 230 shown in FIG. It is formed in a groove shape so as to cross the inside of the flow path 230c through 230b. Each of the flow paths 230d to 230g is connected to the flow path 230c.
5A and 5B, the two through holes 230b are connected to the flow paths 230d to 230g formed on the surface of the first inner filter plate 230, respectively. In addition, the first inner filter plate 230 is formed so as to penetrate between the front surface and the back surface.

Next, the configuration of the second inner filter plate 240 will be described with reference to FIG.
As shown in FIG. 6A and FIG. 6B, the second inner filter plate 240 is formed in a disk shape from a metal material such as stainless steel. As shown in FIGS. 6A and 6B, a plurality of channels 240 c to 240 h formed in a concave shape are formed on the surface of the second inner filter plate 240. Specifically, first, the flow path 240 c is formed in a circular concave shape at the center on the surface of the second inner filter plate 240. Further, the flow path 240h is formed in a groove shape over the entire circumference along the outer peripheral edge on the surface of the second inner filter plate 240.

Further, the flow paths 240d to 240g are formed through the flow path 240h of the second inner filter plate 240 substantially parallel to the center line of the second inner filter plate 240 shown in FIG. A groove shape is formed so as to cross the inside of the flow path 240c through the hole 240b. The flow path 240c and the flow path 240h are connected by the flow paths 240d to 240g.
Further, as shown in FIGS. 6A and 6B, four through holes 240b are connected to each of the flow paths 230h formed on the surface of the second inner filter plate 240, and In addition, the second inner filter plate 240 is formed so as to penetrate between the front surface and the back surface.

Here, among the plurality of filter plates 210 to 240, one of the flow paths on one surface of the filter plate facing each other and the through hole on the other back surface of the filter plate facing each other are opposed to each other. Has been placed.
That is, as shown in FIG. 2, the back surface of the outer filter plate 210 on the inlet side and the surface of the first inner filter plate 230 are arranged to face each other, and the first inner filter plate 230 The flow path 230c formed on the surface and the four through holes 210b of the outer filter plate 210 on the inlet side are arranged to face each other.

Further, as shown in FIG. 2, the back surface of the first inner filter plate 230 and the surface of the second inner filter plate 240 are arranged to face each other, and the surface of the second inner filter plate 240 is arranged. The flow path 240c formed in the first inner filter plate 230 and the two through holes 230b of the first inner filter plate 230 are arranged to face each other.
Further, as shown in FIG. 2, the back surface of the second inner filter plate 240 and the surface of the first inner filter plate 230 are arranged to face each other, and the surface of the first inner filter plate 230 is The flow path 230c formed in the second inner filter plate 240 and the four through holes 240b of the second inner filter plate 240 are arranged to face each other.

In addition, as shown in FIG. 2, the back surface of the first inner filter plate 230 and the surface of the outer filter plate 220 on the outlet side are arranged to face each other, and the outer filter plate 220 on the outlet side. The flow path 220c formed on the surface of the first inner filter plate 230 and the two through holes 230b of the first inner filter plate 230 are disposed to face each other.
Next, the operation of the filter devices 100a and 100b will be described with reference to the drawings.
As shown in FIGS. 2 to 6, the fossil fuel, water, and the mixed fuel containing these are flowed on the surface of the outer filter plate 210 (the uppermost filter plate in FIG. 2) on the inlet side from the inlet 101. It is pumped through the through hole 120b onto the path 210c. At this time, fossil fuel, water, or a mixed fuel containing these strongly collides with the flow path 210c, and the mixed fuel containing fossil fuel and water is refined into fine particles by this impact.

  Next, fossil fuel, water, or a mixed fuel containing these is introduced into the four through holes 210b through the flow path 210c, the flow paths 210d to 210g and the flow path 210h on the surface of the outer filter plate 210 on the inlet side. Pumped. Next, the mixed fuel pumped from the four through holes 210b is pumped onto the flow path 230c on the surface of the first inner filter plate 230 (second filter plate from the top in FIG. 2). At this time, the fossil fuel, water, and the mixed fuel containing these strongly collide with the flow path 230c, and by this impact, the mixed fuel containing the fossil fuel and water is refined into fine particles again.

  Next, fossil fuel, water, and mixed fuel containing these are pumped into the two through holes 230b through the flow path 230c and the flow paths 210d to 210g on the surface of the first inner filter plate 230. Next, the mixed fuel pressure-fed from the two through holes 230b is pressure-fed onto the flow path 240c on the surface of the second inner filter plate 240 (third filter plate from the top in FIG. 2). At this time, the fossil fuel, water, and the mixed fuel containing these strongly collide with the flow path 240c, and by this impact, the mixed fuel containing the fossil fuel and water is refined into fine particles again.

  Next, fossil fuel, water, or a mixed fuel containing these is pumped into the four through holes 240b via the flow paths 240c, 210d to 210g, and the flow paths 240h on the surface of the second inner filter plate 240. Is done. Next, the fossil fuel, water, and mixed fuel containing these fed by pressure from the four through holes 240b are flow paths 230c on the surface of the first inner filter plate 230 (fourth filter plate from the top in FIG. 2). Pumped up. At this time, the fossil fuel, water, and the mixed fuel containing these strongly collide with the flow path 230c, and by this impact, the mixed fuel containing the fossil fuel and water is refined into fine particles again.

  Next, fossil fuel, water, and a mixed fuel containing these are pumped into the two through holes 230b through the flow path 230c and the flow paths 210d to 210g on the surface of the first inner filter plate 230. Next, the fossil fuel, water, and mixed fuel containing them fed from the two through holes 230b are flow paths 240c on the surface of the second inner filter plate 240 (fifth filter plate from the top in FIG. 2). Pumped up. At this time, the fossil fuel, water, and the mixed fuel containing these strongly collide with the flow path 240c, and by this impact, the mixed fuel containing the fossil fuel and water is refined into fine particles again.

  Next, fossil fuel, water, or a mixed fuel containing these is pumped into the four through holes 240b via the flow paths 240c, 210d to 210g, and the flow paths 240h on the surface of the second inner filter plate 240. Is done. Next, the fossil fuel, water, and mixed fuel containing these that are pumped from the four through holes 240b are flow paths 230c on the surface of the first inner filter plate 230 (the sixth filter plate from the top in FIG. 2). Pumped up. At this time, the fossil fuel, water, and the mixed fuel containing these strongly collide with the flow path 230c, and by this impact, the mixed fuel containing the fossil fuel and water is refined into fine particles again.

Next, fossil fuel, water, and mixed fuel containing these are pumped into the two through holes 230b through the flow path 230c and the flow paths 210d to 210g on the surface of the first inner filter plate 230. Next, the fossil fuel, water, and mixed fuel containing them fed from the two through holes 230b are flow paths 220c on the surface of the outer filter plate 220 (the lowermost filter plate in FIG. 2) on the outlet side. Pumped up. At this time, the fossil fuel, water, or a mixed fuel containing these strongly collides with the flow path 220c, and this shock again refines the mixed fuel containing fossil fuel and water into fine particles.
Then, the mixed fuel containing fossil fuel and water repeatedly collided with the flow path on the surface of each filter plate and flows out from the outlet 102 through the through hole 110b.

By adopting such a configuration, fossil fuel and water are mixed with a simple configuration while reducing the occurrence of clogging and using no additives, and the mixed fuel containing fossil fuel and water is finely divided. And can be purified.
That is, the inner diameters of the through holes 210b, 220b, 230b, and 240b of the filter plates 210 to 240 and the widths and depths of the flow paths 210d to 210h, 230c to 230g, and 240d to 240h are formed to be several hundred μm to several mm. In addition, unlike the Shirasu porous glass (particle size of 5 to 10 μm) used in the prior art, it does not have remarkably fine holes, so that occurrence of clogging can be reduced.

  Further, among the plurality of filter plates 210 to 240, one of the flow paths on one surface of the filter plate facing each other and the through hole on the other back surface of the filter plate facing each other are opposed to each other. The fossil fuel, water, and mixed fuel containing these passing through the through hole from the other surface side of the filter plate facing each other to the back surface side are on the flow path on one surface of the filter plate facing each other. Each time the mixed fuel collides with the flow path on the surface of the filter plates 210 to 240, the mixed fuel can be reliably atomized. At this time, the mixed fuel in the filter devices 100a and 100b is uniformly atomized into extremely small particles of about several μm by impact on the flow path on the surface of each filter plate, so it is not necessary to use additives. In addition, the mixed fuel can be maintained finely for a long time.

The inner diameters of the through holes 210b, 220b, 230b, and 240b are several hundred μm to several mm, but are preferably 0.3 mm or less. Furthermore, although the widths and depths of the flow paths 210d to 210h, 230c to 230g, and 240d to 240h are several hundred μm to several mm, the concave grooves of the flow paths 210d to 210h, 230c to 230g, and 240d to 240h Is substantially the same as the cross-sectional area of the through holes 210b, 220b, 230b, 240b (S = π × 0.3 (mm) × 0.3 (mm) = 0.07 (mm ² )). Is preferred. For example, the flow paths 210d to 210h, 230c to 230g, and 240d to 240h have a width of 0.3 mm and a depth of 0.23 mm. Thereby, the average particle diameter of each particle of the mixed fuel flowing out from the outlet can be reliably reduced to 5 μm or less.

The present invention is not limited to the above embodiment. Moreover, those skilled in the art can easily change, add, and convert each element of the embodiment of the present invention within the scope of the present invention.
In the description of the embodiment of the present invention, the filter devices 100a and 100b include, in order from the inlet 101 to the outlet 102, the outer filter plate 210 for the inlet side (first from the inlet side), the first 1 inner filter plate 230 (second from the inlet side), second inner filter plate 240 (third from the inlet side), first inner filter plate 230 (fourth from the inlet side), Second inner filter plate 240 (fifth from the inlet side), first inner filter plate 230 (sixth from the inlet side), outer filter plate 220 for the outlet side (seven from the inlet side) 7), the filter plates are provided in a stacked manner, but at least one of the flow paths on one surface of the filter plates facing each other among the plurality of filter plates in the filter device. Through the other back of the filter plates facing each other A hole, be disposed so as to face each other, it is not limited to this embodiment.

  That is, of the plurality of filter plates in the filter device, one of the flow paths on one surface of the filter plate facing each other and the through hole on the other back surface of the filter plate facing each other are opposed to each other. For example, the arrangement of the flow paths and through holes of each filter plate can be changed, or the number of filter plates can be increased or decreased.

  At this time, when 2 · n + 3 (n is a natural number) filter plates are provided in the filter device, the first plate from the inlet side 101 serves as the outer filter plate 210 for the inlet side, and the second plate from the inlet 101. The 2nd (n + 1) th sheet from the inflow port 101 is a laminated body in which the first inner filter plate 230 and the second inner filter plate 240 are alternately and repeatedly stacked. The plate 230 and the 2 (n + 1) th sheet from the inlet 101 can be the outer filter plate 220 for the outlet.

  Further, fine metal powder made of stainless steel is used as the material for the outer filter plate 210 for the inlet, the outer filter plate 220 for the outlet, the first inner filter plate 230, and the second inner filter plate 240. You may use what was compression-molded. With such a configuration, fossil fuel, water, and mixed fuel containing these are pumped through the fine gaps between the fine metal powders of the filter plates 210 to 240, so that the flow of the filter devices 100a and 100b The mixed fuel flowing out from the outlet 102 can be atomized into smaller particles. At the same time, fossil fuel, water, and mixed fuel containing these are pumped through the flow paths and through holes of the filters 210 to 240, so that the filter plates 210 to 240 may be clogged. Absent.

  In addition, as a general kind of the fossil fuel and the mixed fuel of water, an oil-in-water (O / W) type and a water-in-oil (W / O) type are known. In the oil-in-water (O / W) type, fine oil droplets are contained in water, and in the water-in-oil (W / O) type, fine water is contained in oil. Here, the material of the outer filter plate 210 for the inlet side, the outer filter plate 220 for the outlet side, the first inner filter plate 230 and the second inner filter plate 240 is a fine metal powder made of stainless steel. Using a compression-molded fuel, it was possible to purify a water-in-oil-in-water (W / O / W) type mixed fuel. In the water-in-oil-in-water (W / O / W) type, fine oil droplets are contained in water, and finer water droplets are contained in the fine oil droplets. Consists of particles.

It is a mimetic diagram showing the whole fuel supply device composition concerning an embodiment of the invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic diagram which shows the structure of the filter apparatus which concerns on embodiment of this invention, Comprising: The left figure is an external view and the right figure is sectional drawing. 3A and 3B are diagrams showing the configuration of an outer filter plate for the inflow side, in which FIG. 3A is a plan view when viewed from the front surface side, the left view of FIG. 3B is an external view, and the right view is cut along AA. It is sectional drawing seen from the side surface side when cut | disconnecting along a line. It is a figure which shows the structure of the outer filter board for outflow sides, Comprising: Fig.4 (a) is a top view when it sees from the surface side, The left figure of FIG.4 (b) is an external view, The right figure cuts BB It is sectional drawing seen from the side surface side when cut | disconnecting along a line. FIG. 5A is a diagram showing a configuration of a first inner filter plate, FIG. 5A is a plan view when viewed from the front surface side, a left diagram of FIG. 5B is an external view, and a right diagram is a CC cut line. It is sectional drawing seen from the side surface side when cut | disconnecting along. FIG. 6A is a diagram showing the configuration of the second inner filter plate, FIG. 6A is a plan view when viewed from the surface side, the left diagram in FIG. 6B is an external view, and the right diagram is a DD cut line. It is sectional drawing seen from the side surface side when cut | disconnecting along.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Fuel supply apparatus 100a, 100b Filter apparatus 101 Inlet 102 Outlet 110 Filter board accommodating part 110a Bottom face 110b Through hole 110c Screw part 110d Inner wall 120 Filter board cover part 120a Inner surface 120b Through hole 120c Screw part 210 Outer side for the inlet side Filter plate 210a Side surface 210b Through hole 210c to 210h Flow path 220 Outer filter plate for outlet side 220a Side surface 220b Through hole 220c Flow path 230 First inner filter plate 230a Side surface 230b Through hole 230c to 230g Flow path 240 Second Inner filter plate 240a Side surface 240b Through hole 240c to 240h Flow path 10 Fossil fuel tank 20 Water tank 30 Mixing tank B1, B2 Electronic switching valve E Engine F1-F3 Filter H1-H18 Pipe P1- 4 pressure pump

Claims (10)

A mixing device that has an inlet and an outlet, mixes fossil fuel and water fed by pressure from the inlet, pulverizes the mixed fuel containing the fossil fuel and water and flows out of the outlet.
A cylindrical housing,
A plurality of plate-like members arranged in the housing portion with the inflow port side as a surface, the outflow port side as a back surface, and a side surface abutting against the inner wall of the housing portion;
A flow path formed in a concave shape on the surface of each of the plurality of plate-like members;
A through-hole connected to the flow path and formed between the front and back surfaces of each of the plurality of plate-like members;
The through holes formed in each of the plurality of the plate-like member husband rather are disposed coaxially between said plate-like member which is directly stacked on top of each other,
The flow path includes a concave first flow path portion extending from the inside to the outside of the plate-like member, and a concave second flow path portion connecting both ends of the first flow path portion,
The first and second flow path portions are connected to each other on one surface of the common plate member,
The mixing device, wherein the plate member in which the first and second flow path portions are provided on one surface is provided with a plurality of the through holes .   Between the plate-like members stacked one above the other, the bottom surface of the concave flow path formed in the other plate-like member is located at a position facing the through hole formed in one plate-like member. The mixing device according to claim 1, wherein the mixing device is arranged.   Between the plate-like member arranged closest to the inlet and the plate-like member arranged closest to the outlet, two or more types of plate-like members having different arrangement positions of the through holes are provided. The mixing apparatus according to claim 1, wherein the same type is laminated in a non-continuous manner.   The through hole formed in the plate-like member arranged between the plate-like member arranged closest to the inflow port and the plate-like member arranged closest to the outflow port is inserted into the through hole. The mixing device according to any one of claims 1 to 3, wherein the concave flow path that matches the inner diameter of the hole or has a width limited to the inner diameter of the through hole is connected. A fossil fuel tank for storing fossil fuel, a water tank for storing water, an inlet and an outlet, and mixing the fossil fuel and the water fed by pressure from the inlet, A mixing device that atomizes the mixed fuel containing the fossil fuel and the water and flows out from the outlet, and is connected to the fossil fuel tank and the water tank, and the fossil fuel and the water are supplied to the fossil fuel tank. And a pressure pump for supplying pressure from the water tank to the inlet of the mixing device, and supplying the mixed fuel flowing out from the outlet of the mixing device to the internal combustion engine,
The mixing device is
A cylindrical housing,
A plurality of plate-like members formed in a plate shape, with the inlet side being the front surface, the outlet side being the back surface, and the side surfaces being in contact with the inner wall of the housing portion, being stacked in the housing portion When,
A flow path formed in a concave shape on the surface of each of the plurality of plate-like members;
A through-hole connected to the flow path and formed between the front and back surfaces of each of the plurality of plate-like members;
The through holes formed in each of the plurality of the plate-like member husband rather are disposed coaxially between said plate-like member which is directly stacked on top of each other,
The flow path includes a concave first flow path portion extending from the inside to the outside of the plate-like member, and a concave second flow path portion connecting both ends of the first flow path portion,
The first and second flow path portions are connected to each other on one surface of the common plate member,
The fuel supply apparatus, wherein the plate-like member having the first and second flow path portions provided on one surface is provided with a plurality of the through holes .   Between the plate-like members stacked one above the other, the bottom surface of the concave flow path formed in the other plate-like member is located at a position facing the through hole formed in one plate-like member. The fuel supply device according to claim 5, wherein the fuel supply device is arranged.   Between the plate-like member arranged closest to the inlet and the plate-like member arranged closest to the outlet, two or more types of plate-like members having different arrangement positions of the through holes are provided. The fuel supply device according to claim 5 or 6, wherein the same type is laminated in a non-continuous manner.   The through hole formed in the plate-like member arranged between the plate-like member arranged closest to the inflow port and the plate-like member arranged closest to the outflow port is inserted into the through hole. The fuel supply device according to any one of claims 5 to 7, wherein the concave flow path that matches the inner diameter of the hole or has a width limited to the inner diameter of the through hole is connected.   The fuel supply device according to any one of claims 5 to 8, wherein the mixing device has one inflow port and one outflow port. A mixing tank that is provided between the outlet of the mixing device and the internal combustion engine and stores the mixed fuel that flows out of the outlet of the mixing device;
The other mixing device having an inlet and an outlet connected to the mixing tank;
The fuel supply apparatus according to claim 5, further comprising:

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