Method of combusting a water/fossil fuel mixed emulsion and combustion apparatus

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METHOD OF COMBUSTING AWATER/ Other and further objects, features, and advantages of the FOSSL FUELMIXED EMULSION AND invention will appear more fully from the following COMBUSTION APPARATUS description, taken in connection with the accompanying drawings.

FIELD OF THE INVENTION

BRIEF DESCRIPTION OF THE DRAWINGS

The present invention relates to a method of combusting a mixed emulsion of water with a fossil liquid fuel, Such as FIG. 1 is an illustrative view showing a constitution of the petroleum, and to a combustion apparatus. More combustion apparatus of the present invention. particularly, the present invention relates to a method of FIG. 2 is an illustrative view showing the mixed gas flow combusting a water/fossil fuel mixed emulsion that can and the Brown's gas flame in the combustion apparatus of combust the water/fossil fuel mixed emulsion with good the present invention.

energy efficiency, and that produces less exhaust gases that FIG. 3 is an illustrative view showing an example of a pollute the environment; and to a combustion apparatus. microwave-irradiating apparatus.

BACKGROUND OF THE INVENTION 15 FIG. 4 is an illustrative view showing the constitution of an example of a boiler System in which the present invention

Conventionally, various ways of combusting a fossil is applied.

liquid fuel in the form of a fuel emulsion formed by mixing FIG. 5 is an illustrative view showing another constitution it with water are proposed, in View of energy-saving or the of the combustion apparatus of the present invention. like. Such a fuel emulsion includes, for example, an emul DETAILED DESCRIPTION OF THE Sion fuel or the like in which a special emulsifying agent is used that can make a petroleum-Series fuel into a highly INVENTION hydrophilic gel form by adding it to the fuel. Further, as the In view of the above objects, the inventors of the present method of combusting this fuel emulsion, there is, for invention, having intensively Studied, have found that the example, proposed a method wherein an emulsion fuel, in 25 above objects can be attained by bringing a flow of a gas, which water that is made cationic is used, is jetted into a hot formed by elevating the temperature of a water/fossil mixed cathode chamber heated to a high temperature at which emulsion, and vaporizing (gasificating) it, in contact with a water can be decomposed. high-temperature flame resulting from the combustion of a Since the fuel emulsion contains water, unlike a usual Brown's gas, thereby reacting them to combust the gas, fossil fuel, it cannot be ignited in the air at normal tempera which finding has led to the present invention. tures by a burner or the like to be combusted completely, and Namely, according to the present invention, there is particularly if the fuel emulsion has a high water content, it provided:

cannot be ignited in a usual manner. Hitherto, to utilize Such (1) A method of combusting a water/fossil fuel mixed a water-containing fuel emulsion as a fuel to be combusted 35 emulsion, comprising elevating the temperature of a completely, the temperature of the environment for the water/fossil fuel mixed emulsion, vaporizing the water/ combustion has to be brought to a temperature as high as fossil fuel mixed emulsion, and bringing a Brown's gas about 1,600 C. Accordingly, although the fuel emulsion flame that results from the combustion of a Brown's itself is expected to be used in various applications, its gas, in contact with the flow of the water/fossil fuel complete combustion can only be realized in limited Special mixed gas thus formed by that elevation of the tem environments. Further, it is difficult to keep Such a high 40 perature and that vaporization, thereby combusting the temperature environment, for example, in generally oper water/fossil fuel mixed gas, ated furnaces, boilers, gas turbines, and the like, because the (2) The method of combusting a water/fossil fuel mixed flow of the Steam and the gas removes the heat, and in emulsion as Stated in the above (1), wherein the pro addition the energy efficiency and economy pose a great portion of the fossil fuel in the water/fossil fuel mixed problem for its propagation and practical use. 45 emulsion is 10 to 30% by volume;

In addition, in recent years, it is required to reduce the (3) The method of combusting a water/fossil fuel mixed emission of CO (carbon dioxide gas) on a global Scale, and emulsion as Stated in the above (1) or (2), wherein the a fuel combustion System that can Secure certain calories water/fossil fuel mixed emulsion is irradiated with resulting from combustion with the emission of CO low 50 microwaves, to elevate the temperature of the ered as much as possible is desired. Because of the admix emulsion, thereby vaporizing the emulsion; and ture of water, the water/fossil fuel mixed emulsion can (4) An apparatus for combusting a water/fossil fuel mixed reduce the quantity of emission of CO2 more than fossil emulsion, comprising an apparatus for elevating the fuels when combusted, and from this viewpoint as well there temperature of a water/fossil fuel mixed emulsion and is need for a method and an apparatus for combusting a Vaporizing the water/fossil fuel mixed emulsion; a water/fossil fuel mixed emulsion efficiently and economi 55 mixed gas burner for jetting the water/fossil fuel mixed cally.

gas that results from that elevation of the temperature

SUMMARY OF THE INVENTION and that vaporization; a Brown's gas combustion burner; and a combustion chamber provided with the

Therefore, an object of the present invention is to provide 60 mixed gas burner and the Brown's gas combustion a method of combusting a water/fossil fuel mixed emulsion burner; wherein, in the combustion chamber, the that can combust the water/fossil fuel mixed emulsion with Brown's gas flame of the Brown's gas combustion good energy efficiency, to produce high calories resulting burner can be in contact with the flow of the gas jetted from the combustion. from the mixed gas burner.

Further, another object of the present invention is to 65 Hereinbelow, the present invention is described. provide a combustion apparatus that can combust a water/ The water/fossil fuel mixed emulsion to be combusted in fossil fuel mixed emulsion efficiently economically. the present invention is a liquid fuel containing water and a

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fossil fuel liquid. AS the fossil fuel liquid, for example, to bring about conditions Suitable for the vaporization. AS kerosene, light oil, heavy oil, and the like can be mentioned. the liquid vaporization Supply System in the present The water is not particularly restricted, and it may be tap invention, for example, a liquid vaporization Supply System water, distilled water, and the like. The mixing proportion of that uses a vaporization system described in U.S. Pat. No. the water and the fossil fuel liquid of the water/fossil fuel 5,272,880, such as LV-1100M and AV-1100M (trade names, mixed emulsion that can be used in the present invention is manufactured by Lintec Co.), can be used. not particularly restricted, but generally the proportion of the According to the above liquid vaporization Supply fossil fuel liquid in the emulsion (generally an oil-in-water System, by choosing conditions, Such as the temperature type emulsion) is 5 to 85% by volume. In view of reducing elevation and the flow rate of the carrier gas, in conformity the quantity of CO2 emission at the time of the combustion, with the type of the water/fossil fuel mixed emulsion, the the proportion is preferably 10 to 30% by volume. For mixing proportion, and the like, the temperature elevation example, a water/fossil fuel mixed emulsion in which the and the vaporization can be carried out without causing the proportion of water is increased using hydroxyl ion water Separation of the water and the oil component (fossil fuel) in (pH: 8.5 to 10), as previously proposed by the present the emulsion, thereby allowing a quite good combustion inventors (Japanese patent application No. 9-308958), and 15 State.

the like can preferably be used. Further, if necessary, in Further, in this liquid vaporization Supply System that uses addition to the water and the fossil fuel, a Surfactant, an a carrier gas, the pressure under which the water/fossil fuel electric Stone, and the like can be added to the water/fossil mixed emulsion is introduced into the vaporizer is not fuel mixed emulsion. In the meantime, when an electric particularly restricted, but generally it is from ordinary Stone, Such as tourmaline, is added to the water/fossil fuel pressure to 0.15 MPa. Further, in the vaporizer, by reducing mixed emulsion, the particles thereof having a particle the pressure of the emulsion that has been accelerated and diameter of at most about Several micrometers are finely preSSurized by the carrier gas, the emulsion is vaporized. At dispersed. In this case, the emulsion can be considered to be that time, the accelerated emulsion is reduced in pressure, in a colloidal State. generally, to 0.05 MPa to ordinary pressure, and thereby In the present invention, the temperature of the above 25 Vaporization is effected. In accordance with the degree of the water/fossil fuel mixed emulsion is elevated, to vaporize the reduction in preSSure at the time of the vaporization, the gas emulsion, and the gas flow is jetted from a jet nozzle and is preSSure of the flow of the vaporized gas is determined, and combusted. Although it varies depending on the manner of therefore the length of the flame of the combustion of the gas elevating the temperature and the manner of vaporization, flow can be controlled. Accordingly, in this liquid vaporiza preferably the temperature of the gas flow is 110° C. or tion Supply System, Since, for example, the vaporizer and the more, more preferably 150° C. or more, and further prefer like are not required to have a structure resistance to ably 180 to 300° C. The manner of elevating the temperature preSSure, and the power of the pump or the like for intro is not particularly restricted, but, in view of the combustion ducing the water/fossil fuel mixed emulsion into the vapor cost, preference is given to a method in which the emulsion izer can be Small, preference is given to this over the above is irradiated with microwaves (ultra-high frequencies), to 35 microwave irradiation, in that the vaporization can be car elevate the temperature by the motion of the water mol ried out at a low cost using the Simple apparatus. ecules in the emulsion, over a method in which thermal Further, in the case of using the above liquid vaporization energy is used. In order to cause the microwaves to be Supply System, by using Oxygen gas as a carrier gas, Since absorbed in the moisture in the emulsion, the emulsion has the oxygen gas is also used as Oxygen for the combustion of to be made into a high-pressure liquid, Since the liquid State 40 the fossil fuel in the combustion chamber, it is not required has to be retained even when the temperature thereof is to take in air or the like Separately for the combustion, and elevated by heating. To that end, the water/fossil fuel mixed thus the apparatus can be made Simple and the operating cost emulsion is Satisfactorily pressurized, preferably to 3.0 to can be decreased.

4.5 Mpa, by a pump or the like before irradiated with A Brown's gas flame is brought in contact with the flow microwaves, and then it is introduced into a microwave 45 of the water/fossil fuel mixed gas, whose temperature has irradiation apparatus. Therefore, the microwave-irradiation been elevated and which has been vaporized and jetted in the apparatus is made to have a structure resistant to pressure. above manner.

By the irradiation with microwaves, the water and the fossil The Brown's gas that is used in the present invention is fuel are respectively vaporized, and they can be made into itself a nonexplosive mixed gas that consists of hydrogen a mixed gas containing them homogeneously, which will 50 and oxygen mixed in a Volume ratio of 2:1, and it is obtained lead to a good combustion State. The microwaves have by electrolysis of water; and it is known that the combustion preferably 2,450 to 3,000 MHz. The external input required thereof causes the molecular or atomic hydrogen and oxygen for the microwave irradiation is generally 3% or less of the to produce heat of the reaction, thereby bringing about a quantity of heat generated by the combustion of the water/ quite high combustion temperature. In the present invention, fossil fuel mixed emulsion. The vaporization can be carried 55 the Brown's gas is combusted by using a torch nozzle and out, for example, by reducing the preSSure, generally, to 0.05 an igniter or the like for producing an ignition Spark, to to 0.15 MPa. produce a highly reducing flame of about 2,300 C., and In the present invention, to elevate the temperature and preferably the tip of the flame good in reactivity is brought Vaporize the water/fossil fuel mixed emulsion, it is more in contact with the above mixed gas flow. The number of the preferable to use a liquid vaporization Supply System that 60 Brown's gas combustion burners for bringing the Brown's uses a carrier gas. Hereinbelow this liquid vaporization gas flame in contact with the above mixed gas flow to Supply System is described. combust the mixed gas may be 1 or 2 or more, preferably the In order to vaporize the water/fossil fuel mixed emulsion Brown's gas combustion burners are used 2 or more, and efficiently, a carrier gas is introduced, in addition to the more preferably 2 or 3 in number. Thus, the mixed gas is emulsion, into a vaporizer provided in this liquid vaporiza 65 combusted at high temperatures. This is considered in Such tion Supply System, and the temperature thereof is elevated a way that the Brown's gas flame heats the mixed gas flow by a heater, Such as an electric heater built in the vaporizer, as well as interacts with active chemical Species produced

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S 6 from the fossil fuel in the mixed gas, to combust the fossil The atmosphere in the combustion chamber 8 is the fuel gas to generate a high temperature; this high tempera normal ambient atmosphere, but one or more of air, OXygen, ture causes Steam explosion of the moisture in the mixed or OZone can be introduced from outside through the valve gas, thereby combusting it as a hydrogen/oxygen gas flame V, to control the composition of the gas in the combustion (Brown's gas flame) at a high Speed, and the flame propa chamber 8 (for example, to make the atmosphere in excess gation resulting therefrom leads to combustion throughout of oxygen or the like). In the present invention, when the the mixed gas. The Speed of the high-speed combustion by water/fossil fuel mixed emulsion is combusted, it is not this steam explosion is, for example, about 6.75 times (linear required to elevate the temperature of the combustion cham velocity: 2.7 m/s) that of the combustion of propane. ber 8 as a whole, and the contact of the Brown's gas flame In the above combustion mechanism, Since the active can cause the gas produced from the water/fossil fuel mixed chemical Species react with the oxygen produced by the emulsion to be combusted completely. Steam explosion, the quantity of oxygen to be Supplied from FIG. 2 shows an illustrative view, on a large Scale, of the outside at the time of the combustion is much Smaller than state of the flame from the Brown's gas combustion burner that of usual combustion, and it is possible to make the 5 and the gas flow from the mixed gas burner 7. System to be a combustion System that Substantially does not 15 When the Brown's gas flame 21 (at about 2,300° C) from use air. For example, if the water/fossil fuel mixed emulsion the Brown's gas combustion burner 5, preferably the tip of is an emulsion of a water: fossil fuel of 9:1 by volume, it is the Brown's gas flame 21, is brought in contact with the considered that the quantity of oxygen required from outside point P of the mixed gas flow jetted from the mixed gas for the combustion is at most one-tenth of the conventional burner 7, the fossil fuel component in the mixed gas is quantity. combusted at a high temperature of over 4,000 C. due to the Since the combustion method and the combustion appa reaction with the Brown's gas flame. This high temperature ratus of the present invention can obtain high calories causes the water vapor in the mixed gas to be decomposed resulting from the combustion, using a water/fossil fuel into a gas mainly composed of a Brown's gas. This gas mixed emulsion reduced in the quantity of the fossil fuel to combusts by itself instantaneously at the point P, and this be used, they are economical and can reduce greatly the 25 combustion leads to flame propagation, thereby causing exhaust gas that will cause pollution, in comparison with chain combustion in the directions of A and B from the point when a fossil fuel or the like is combusted in the air. P, and as a result the entire of the mixed gas jetted from the Now, the combustion method and the combustion appa mixed gas burner 7 is combusted. In the figure, 22 indicates ratus of the present invention are described in more detail the flame of the combustion of the mixed gas. with reference to the drawings. At that time, preferably the mixed gas burner 7 and the FIG. 1 is an illustrative view showing the constitution of Brown's gas combustion burner 5 are arranged in Such a an embodiment of the apparatus of the present invention; in manner that the contact crossing angle between the mixed this example microwave irradiation is used to elevate the gas flow and the Brown's gas flame becomes 15 to 30. In temperature of a water/fossil fuel mixed emulsion. In the FIG. 1, although only one Brown's gas combustion burner figure, 1 indicates a Storage tank of the water/fossil fuel 35 5 is shown, it is possible to provide, equi-Spaced, two or mixed emulsion, 2 indicates a water/fossil fuel mixed emul more Brown's gas combustion burners, preferably two or Sion Supply pump, 3 indicates a microwave irradiation three equi-spaced Brown's gas combustion burners, around apparatus, 4 indicates a Brown's gas generating apparatus, 5 the mixed gas burner 7, So that the above crossing angle may indicates a Brown's gas combustion burner, 7 indicates a be secured respectively. The position of the point P where mixed gas burner, 8 indicates a combustion chamber, 9 40 the Brown's gas flame comes in contact is generally in the indicates a water/fossil fuel mixed emulsion vaporization range where the temperature of the mixed gas flow is not chamber, 10 indicates a nozzle, 11 indicates a heat-resistant lowered but is retained Suitably, and preferably the position covering material, and each of V to Vs indicates a valve, of the point P is about 5 cm away from the nozzle tip of the respectively. mixed gas burner 7.

In the apparatus, the water/fossil fuel mixed emulsion, 45 Further, FIG. 3 is a schematic illustrative view of one which is a high-pressure liquid fed into the microwave example of the microwave-irradiation apparatus 3 of the irradiation apparatus 3 through the valve V by the Supply apparatus shown in FIG.1. Microwaves 34, having a wave pump 2 from the Storage tank 1, is elevated in temperature length of 2,450 MHz, oscillated by a magnetron 31, are with the irradiation of microwaves, and it is fed through the introduced from a window of a quartz glass 35, having a nozzle 10 into the vaporization chamber 9, where it is 50 preSSure-resistant Structure, through an antenna 32 and a decreased in pressure and vaporized into a water/fossil fuel coupler 33 into a waveguide 36, where they heat the mixed gas. This vaporization chamber 9 also acts as a water/fossil fuel mixed emulsion introduced from an inlet Vapor-liquid Separation chamber, and the liquid accumulated 37, and then the water/fossil fuel mixed emulsion is passed in the chamber can be discharged by opening the valve Vs. from an outlet 38 into the vaporization chamber. The mixed gas, which is at about 150 to 200 C. as a result 55 FIG. 5 is an illustrative view showing the constitution of of the reduction in pressure, is passed through the valve V another embodiment of the apparatus of the present inven and jetted from the mixed gas burner 7 of the combustion tion; in this example a liquid vaporization Supply System is chamber 8. For transportation of this high-temperature gas, used, in which a carrier gas is used to elevate the temperature the piping is preferably covered with the heat-resistant and vaporize the water/fossil fuel mixed emulsion. In the covering material 11. 60 figure, the Same Symbols as those in FIG. 1 indicate the same On the other hand, the Brown's gas combustion burner 5, things; 51 indicates a fuel vaporizer, 52 indicates a carrier near the mixed gas burner 7, jets out the Brown's gas, made gas cylinder, 53 and 54 indicate mass flow controllers, in the Brown's gas generation apparatus 4, through the valve respectively, for the emulsion and the carrier gas, and Vs V and ignites the Brown's gas by an igniter (not shown), to indicates a valve.

form a Brown's gas flame that is brought in contact with the 65 In this apparatus, the water/fossil fuel mixed emulsion is gas flow from the mixed gas burner 7, thereby combusting passed from the Storage tank 1 by the Supply pump 2 through the mixed gas flow. the valve V, to be fed into the fuel vaporizer 51 through the

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mass flow controller 53, wherein it is adjusted to about 40 (having a particle diameter of 1.0 um), in an amount of 3% ml/min. The body of the vaporizer is heated to about 150 by weight based on the water, was added. C. by a built-in electric heater (not shown). On the other The water/kerosene mixed emulsion was Supplied under hand, the carrier gas (for example, oxygen gas), whose flow 4.5 MPa by a pump 2 at a rate of 34 liters/hour for 24 hours. rate has been adjusted by the valve Vs and the mass flow The water/kerosene mixed emulsion of 20° C. was heated in controller 54, is introduced from the carrier gas cylinder 52 a microwave-irradiation apparatus 3 to 249 C. in about 90 into the vaporizer 51. In this liquid vaporization Supply sec, by irradiation with microwaves of 2,450 MHz, and then System, the water/fossil fuel mixed emulsion is Supplied to it was vaporized in a vaporization chamber 9, by reducing a pressure-reducing nozzle (not shown) of the vaporizer 51, the pressure to 0.05 MPa. The temperature of the mixed gas while the carrier gas is Supplied from periferal holes of the jetted from a burner 7 was 150° C. preSSure-reducing nozzle. Due to this carrier gas, the rate of A Brown's gas from a burner 5 was ignited with an igniter the water/fossil fuel mixed emulsion becomes about 100 (not shown), and when the tip of the Brown's gas flame (5 m/sec, and it is moved through the vaporizer, wherein the cm away from the tip of the burner), at 2,300° C., was preSSure is reduced to about ordinary pressure, to cause it to brought in contact with the mixed gas flow from the burner Vaporize. 15

The mixed gas, whose temperature has been brought to 7, The the mixed gas combusted with a flame, which continued. about 110° C. as a result of the vaporization due to the above mixed quantity emulsion of the heat generated by the water/kerosene in this boiler was measured by a Steam reduction in pressure, is jetted through the valve V2 from the heat-measuring System, which automatically measures the mixed gas burner 7 of the combustion chamber 8. For quantity of generated heat from the quantity of heat of the transportation of this high-temperature gas, the piping is water at the inlet and the quantity of heat of the Steam at the preferably covered with the heat-resistant covering material outlet, and the quantity of heat was found to be about 6,000 11, like the constitution in FIG. 1. kcal/kg.

On the other hand, the Brown's gas combustion burners The calculation of the ratio of the cost of the water/ 5 and 5, near the mixed gas burner 7, jet the Brown's gas produced in the Brown's gas generating apparatus 4 through 25 kerosene mixed emulsion (calories resulting from the the valve V, and it is ignited by igniters (not shown), to combustion, about 6,000 kcal/kg, and the cost, 7 yen/kg) for form Brown's gas flames in contact with the gas flow from System, which is calories the combustion the same generated in the above boiler as the combustion calories of the mixed gas burner 7, to combust the mixed gas flow.

Like the apparatus in FIG. 1, also in the apparatus of the kerosene, to the cost of kerosene (calories resulting from the present invention shown in FIG. 5, when the water/fossil combustion,

about 10,300 kcal/kg; and the cost, 50 yen/kg) fuel mixed emulsion is combusted, it is not required to elevate the temperature of the combustion chamber 8 as a (10,300/6,000)x(7/50)=0.24 whole, and the contact of the Brown's gas flames can cause the gas produced from the water/fossil fuel mixed emulsion and therefore the water/kerosene mixed emulsion used in to be combusted completely. 35 Example 1 gives the same calories resulting from the The combustion method and the combustion apparatus of combustion as that of kerosene, at a fuel cost of 24% of the the present invention can be employed in various Systems kerosene.

that are operated using warm air, Steam, or the like, and they The heat output of the Steam generated per hour was 233 can, for example, be used with a furnace, a boiler, a warm kW, while the external inputs were 12 kW for the microwave air generator, a gas turbine generator, or the like connected 40 irradiation and 7 kW for generation of the Brown's gas; that to the above combustion chamber. is, the heat output was about 12 times the total input. According to the present invention, a water/fossil fuel Comparative Example mixed emulsion low in fossil fuel content can be combusted efficiently, to obtain high calories resulting from the Using the same boiler System as that in Example 1, the combustion, with the produced amount of CO2 reduced. In 45 Brown's gas-generating apparatus was Stopped, and when it the present invention, by bringing a Brown's gas flame in was attempted to ignite the mixed gas prepared by elevating contact with a flow of a mixed gas obtained by vaporizing the temperature and vaporizing the same water/kerosene a water/fossil fuel mixed emulsion, the entire of the mixed mixed emulsion as that used in Example 1, with a propane gas can be combusted at a high temperature economically gas flame, the mixed gas did not combust at all. with good energy efficiency, unlike the conventional 50 Having described our invention as related to the present technique, wherein the entire environment of the combus embodiments, it is our intention that the invention not be tion is brought to a very high temperature. limited by any of the details of the description, unless The present invention will now be described in more otherwise specified, but rather be construed broadly within detail with reference to the following example, but the its Spirit and Scope as Set out in the accompanying claims. invention is not limited to it. 55 What we claim is:

1. A method of combusting a water/fossil fuel mixed

EXAMPLE emulsion, comprising elevating the temperature of a water/

Example 1 fossil fuel mixed emulsion, vaporizing the water/fossil fuel mixed emulsion, and bringing a Brown's gas flame that

A boiler system having the constitution shown in FIG. 4 60 results from the combustion of a Brown's gas, in contact was run, and the quantity of the generated heat and the like with the flow of the water/fossil fuel mixed gas thus formed was measured. In the figure, the Same Symbols as those in by that elevation of the temperature and that vaporization, FIG. 1 indicate the same things, and 41 indicates a full thereby combusting the water/fossil fuel mixed gas. automatic boiler (KSK-SG boiler, manufactured by 2. The method of combusting a water/fossil fuel mixed Kawasaki Heavy Industries Ltd.). The water/fossil fuel 65 emulsion as claimed in claim 1, wherein the proportion of mixed emulsion used was made up of distilled water and the fossil fuel in the water/fossil fuel mixed emulsion is 10 kerosene in a volume ratio of 90:10, to which tourmaline to 30% by volume.

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3. The method of combusting a water/fossil fuel mixed 8. The apparatus for combusting a water/fossil fuel mixed emulsion as claimed in claim 1, wherein the water/fossil fuel emulsion as claimed in claim 7, wherein the apparatus for mixed emulsion is irradiated with microwaves, to elevate the elevating the temperature of the water/fossil fuel mixed temperature of the emulsion, thereby vaporizing the emul emulsion and vaporizing the water/fossil fuel mixed emul Sion.

Sion is an apparatus that comprises a microwave irradiation 4. The method of combusting a water/fossil fuel mixed apparatus for elevating the temperature of the emulsion by emulsion as claimed in claim 1, wherein the water/fossil fuel mixed emulsion is heated, and a carrier gas for carrying the irradiating the emulsion with microwaves, and a vaporiza emulsion is introduced, to elevate the temperature of the tion chamber for vaporizing the emulsion by reducing the emulsion, thereby vaporizing the emulsion. preSSure on the emulsion, with the microwave irradiation 5. The method of combusting a water/fossil fuel mixed apparatus and the vaporization chamber being joined. emulsion as claimed in claim 1, wherein the water/fossil fuel 9. The apparatus for combusting a water/fossil fuel mixed mixed emulsion contains an electric Stone. emulsion as claimed in claim 7, wherein the apparatus for 6. The method of combusting a water/fossil fuel mixed elevating the temperature of the water/fossil fuel mixed emulsion as claimed in claim 5, wherein the electric Stone is 15 emulsion and vaporizing the water/fossil fuel mixed emul tourmaline. Sion is an apparatus that comprises a vaporizer for introduc 7. An apparatus for combusting a water/fossil fuel mixed ing a carrier gas together with the emulsion, and a heater. emulsion, comprising an apparatus for elevating the tem 10. The apparatus for combusting a water/fossil fuel perature of a water/fossil fuel mixed emulsion and vapor mixed emulsion as claimed in claim 7, wherein the com izing the water/fossil fuel mixed emulsion; a mixed gas burner for jetting the water/fossil fuel mixed gas that results bustion chamber is provided with two or more Brown's gas combustion burners.

from that elevation of the temperature and that vaporization; 11. The apparatus for combusting a water/fossil fuel a Brown's gas combustion burner; and a combustion cham mixed ber provided with the mixed gas burner and the Brown's gas bustionemulsion as claimed in claim 10, wherein the com chamber is provided with two or three Brown's gas combustion burner, wherein, in the combustion chamber, the 25 combustion burners.

Brown's gas flame of the Brown's gas combustion burner can be in contact with the flow of the gas jetted from the mixed gas burner.