EP2068080A1 - Verfahren zur herstellung einer brennstoffemulsion und vorrichtung zur herstellung des brennstoffs - Google Patents

Verfahren zur herstellung einer brennstoffemulsion und vorrichtung zur herstellung des brennstoffs Download PDF

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Publication number
EP2068080A1
EP2068080A1 EP07806892A EP07806892A EP2068080A1 EP 2068080 A1 EP2068080 A1 EP 2068080A1 EP 07806892 A EP07806892 A EP 07806892A EP 07806892 A EP07806892 A EP 07806892A EP 2068080 A1 EP2068080 A1 EP 2068080A1
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EP
European Patent Office
Prior art keywords
water
oil
emulsion fuel
finely
combustible oil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07806892A
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English (en)
French (fr)
Inventor
Saburo Ishiguro
Tomihisa Naito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanomizer Inc
Original Assignee
Nanomizer Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanomizer Inc filed Critical Nanomizer Inc
Publication of EP2068080A1 publication Critical patent/EP2068080A1/de
Withdrawn legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00—Feeding or distributing other fuel to combustion apparatus
    • F23K5/02—Liquid fuel
    • F23K5/08—Preparation of fuel
    • F23K5/10—Mixing with other fluids
    • F23K5/12—Preparing emulsions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
    • C10L1/328—Oil emulsions containing water or any other hydrophilic phase

Definitions

  • the present invention relates to a water-oil emulsion fuel, and more particularly, to an invention capable of contributing to energy saving and pollution control in a case where particles constituting an emulsion of water and a combustible oil are formed into ultrafine particles, and an obtained emulsion fuel is used as a fuel for various power engines or combustion furnaces.
  • the inventors of the present invention have sought the stability, which being identified as the shortcomings of the emulsion-type water-mixed fuel, and have pursued their intensive studies, based on an idea that there needs a mixing thereof under a ultrafine particle state (nano level), in order to stably combust the emulsion of water and the combustion oil.
  • combustion with high efficiency which could not be attained by the conventional emulsion fuel, may be realized by reducing an average particle diameter of respective particles in the emulsion fuel into 1,000 nm or less.
  • the inventors of the present invention found that, in order to stabilize the emulsion of water and the combustion oil so as not to cause separation therein, it is preferred to form a mixture of ultrafine particle state (nano level).
  • the present invention has been made based on the above-mentioned findings, and relates to a method and an apparatus for production of an emulsion fuel having the following constructions.
  • an oil and a water are mixed together under ultra fine states to produce an emulsion fuel, thereby being capable of contributing to improve fuel consumption and to make combustion exhaust gas clean.
  • a finely-dividing and mixing means used for producing the emulsion fuel of the present invention for example, there may be given an apparatus, which pressurizes a primary mixture liquid including a water and a combustible oil to finely divides and mixes through a cavitation effect due to turbulence generated at one or two or more of orifices.
  • the finely-dividing and mixing means there may be given an apparatus, which pressurizes a primary mixture liquid including a water and a combustible oil to cause to flow within a pump at a flow rate of 50 m/s or more; accelerates the primary mixture liquid to pass into holes of a wall member having multiple holes each having a diameter of 500 ⁇ m or less formed therein; and finely divides and mixes through a cavitation effect due to turbulence generated between flows of the liquid.
  • a preferred method for the production of an emulsion fuel includes using: a water-combustible oil primary mixing means for primarily mixing a water and a combustible oil, while adding 10.0 to 150.0 parts by volume of the water (more preferably, 25.0 to 120.0 parts by volume of the water) with respect to 100 parts by volume of the combustible oil; and a finely-dividing and mixing means for finely-dividing and mixing the water-combustible oil-based primary mixture liquid obtained by the primary mixing means into a fine particle state, to thereby form an emulsion fuel in which an average diameter of the water or the combustible oil is 1,000 nm or less.
  • the mixture liquid is introduced into Nanomizer (Product Name; apparatus for finely-dividing and mixing a primary mixture liquid dispersed within a liquid sample, which is manufactured by Yoshida Kikai Co., Ltd.), and the primary mixture liquid including the water and the combustible oil is finely-divided and mixed, thereby forming an emulsion fuel of a mixture including a ultra fine diameter particles of the water and the combustible oil.
  • Nanomizer Provide; apparatus for finely-dividing and mixing a primary mixture liquid dispersed within a liquid sample, which is manufactured by Yoshida Kikai Co., Ltd.
  • the primary mixture liquid is subject to a pressure with a plunger within Nanomiser to cause to flow within a pump at a flow rate of 100 m/s or more, and then the accelerated primary mixture liquid passes through a groove(s) (pore(s)) of two pieces of disks, each having the groove (s) (pore(s)) of about 100 ⁇ m at right angle, to cause flows of the liquid to collide with each other, thereby finely-dividing and mixing the liquid.
  • the water-combustible oil mixture liquid is caused to pass through orifice holes of 200 ⁇ m or less of Nanomizer with a high pressure for several stages.
  • the turbulence is generated when the mixture liquid passes through the narrow orifices, and a strong nano level agitation effect is generated owing to the turbulence effect.
  • the water (or oil) is finely divided into a nano level (for example, average diameter of water is 200 to 700 nm), and the resultants are dispersed within the oil (to form W/O type emulsion) thereby attaining stabilization.
  • a nano level for example, average diameter of water is 200 to 700 nm
  • the reduction method for the water is not particularly limited, but a method using electrolysis is industrially preferred.
  • a method using a chemical, or a method using an ore such as tourmarine there may be given a method using a chemical, or a method using an ore such as tourmarine.
  • hydrogen generates at a cathode and oxygen generates at an anode during the electrolysis.
  • the oxygen is unnecessary, and hence the oxygen is discharged by using a barrier, or is fixed by allowing the oxygen to react with an anode plate.
  • an electrode at that time zinc, magnesium, or an alloy thereof may be used.
  • the reduction potential of the water is preferably -100 mv or less, and -300 mv or less is preferred, if possible.
  • the water and the oil are hard to be mixed with each other, because a surface tension of the water is large. If the reduction potential is lowered, the surface tension decreases, resulting in being easily mixed together.
  • an emulsion fuel of the present invention was produced.
  • the obtained emulsion fuel is a W/O type emulsion, and average diameter of the water in the emulsion was 300 to 500 nm.
  • the thus obtained emulsion fuel of the present invention was set to be Sample 2.
  • the mixture liquid produced in the same way as in Sample 2 was caused to pass through Nanomizer with 8 MP to obtain an emulsion fuel of the present invention, which was set to be Sample 3.
  • Sample 1 is a A heavy oil as a comparative example
  • Sample 4 is a light oil as a comparative example
  • Samples 5 and 6 each are obtained by the same processing as in Samples 2 and 3, and are emulsion fuels of the present invention in which the light oil is used in place of the A heavy oil.
  • Sample 5 and Sample 6 were caused to pass through Nanomizer with pressures of 3 MP and 8 MP, respectively, to be finely-divided and mixed).
  • Table 1 is test results of a case in which the number of rotation of the engine is 1, 000 rpm
  • Table 2 is test results of a case in which the number of rotation of the engine is 1,400 to 2,200 rpm
  • Table 3 is test results of a case in which the number of rotation of the engine is 2,700 rpm.
  • Fig. 1 is graphs showing engine test results in which Sample 1 (comparative example fuel) and Sample 2 (emulsion fuel of the present invention) were used
  • Fig. 2 is graphs showing engine test results in which Sample 1 (comparative example fuel) and Sample 3 (emulsion fuel of the present invention) were used
  • Fig. 3 is graphs showing engine test results in which Sample 4 (comparative example fuel) and Sample 5 (emulsion fuel of the present invention) were used
  • Fig. 4 is graphs showing engine test results in which Sample 4 (comparative example fuel) and Sample 6 (emulsion fuel of the present invention) were used.
  • a diesel generator of 13ES-type manufactured by Denyo Co. , Ltd. was used to successively measure the concentrations of nitrogen oxides and oxygen within an exhaust gas together with a power generation amount per unit heavy oil, whereby the power generation efficiency of the emulsion fuel of the present invention was measured.
  • an emulsion fuel having a composition including 75 wt% of a Special A heavy oil, 24.7 wt% of a water, and 0.3 wt% of an emulsifier was produced and used.
  • the emulsion fuel of the present invention and sole A heavy oil are used as the fuels to successively operate the above-mentioned diesel generator, NOx concentration within the exhaust gas and the power generation amount were measured. The concentrations of NOx and O 2 within the exhaust gas were measured successively at an exit smoke-flue of the generator.
  • the measurement results of the exhaust gas which was generated by the use of the emulsion fuel of the present invention, are shown in Table 4, and the measurement results of the exhaust gas when the Special A heavy oil was solely used as fuel are shown in Table 5.
  • an average NOx concentration within the exhaust gas was 193 ppm.
  • the average value of the NOx concentration was 369 ppm.
  • results of power generation of this example are shown in Table 6.
  • the power generation amount per unit heavy oil of the diesel generator was 3.33 KWH/Kg when the emulsion fuel of the present invention was used, and was 2.73 KWH/Kg when the sole heavy oil was used as fuel.
  • the power generation amount was increased by about 22%, whereby it was shown that the power generation efficiency of the emulsion fuel of the present invention was improved.
  • the emulsion fuel of the present invention in which 24.5% of the water was added to the A-heavy oil or the light oil, exhibited almost the same characteristics as 100% A-heavy oil or 100% light oil up to 2,200 rpm. This is astonishingly excellent performance.
  • the emulsion fuel of the present invention is used for a ship, for instance, it is considered to be good to use a light oil in a harbor, and then to switch to use the emulsion fuel outside the harbor.
  • the mixture liquid including a water and a combustible oil is, for example, subjected to a pressure to cause to pass through one or a plurality of small holes, thereby producing the emulsion fuel by finely-diving and mixing the mixture through the cavitation effect due to the turbulence generated when passing through orifices.
  • the emulsion fuel containing about 25% of the finely-divided and mixed water does not cause engine troubles, if being burned within the engine, and exhibits substantially the same output and torque with the A-heavy oil or the light oil.
  • the fuel consumption amount is also the same even though 25% of the water is contained therein (by simple calculation, 25% of energy saving is attained).
  • the generations of soot and dioxin are reduced into 1/2 to 1/5 (theoretically no generation), and NO X was also reduced into about 1/2 to 1/3.
  • the emulsion fuel of the present invention has a further energy saving effect as a fuel for combustion furnace, and attains 25 to 35% energy saving.
  • the waste oil may also be used as a raw material.
  • the emulsion fuel (water-oil-based emulsion-type water-mixed fuel) is obtained by adding 0.5 to 5% of the emulsifier to the water and oil, and by agitating and mixing the mixture into emulsion, and generally contains particles having an average diameter of several ⁇ m to several tens ⁇ m. Even if the emulsion fuel is produced using a particularly excellent emulsifier, the average particle diameter was about several ⁇ m (about 1 to 3 ⁇ m), which is a so-called water-mixed fuel of an emulsified-state liquid (emulsion fuel).
  • the emulsion fuel of the emulsified-state liquid has a tendency of separating with elapse of time, and, even if the separation does not occur, has a nature in which the viscosity thereof becomes higher (dilatancy) with the elapse of time, which is opposite to thixotropy, thereby causing an accident such as clogging of a pipe or a nozzle.
  • the emulsion fuel obtained by the present invention constitutes an emulsion fuel in which the oil and the water are mixed under a ultra fine particle state (nano level), and the average particle diameter constituting the water or the combustible oil is 1, 000 nm, preferably 200 to 700 nm.
  • the stability thereof is extremely excellent, and has high combustion efficiency, whereby the emulsion fuel of the present invention may be used for all the purposes such as for an engine, a combustion furnace, an incinerator, a boiler, and a generator.
  • the emulsion fuel of the present invention is used for an engine fuel for a vehicle and a ship, 15 to 25% of energy saving may be achieved. Further, soot and dioxin may be reduced into 1/2 to 1/5, and NO X may be reduced about 1/2 to 1/3, thereby attaining low pollution and excellent stability. As a result, it becomes possible to produce the fine particle mixture liquid at a gas station, and to refuel the liquid into a fuel tank of the vehicle as currently carried out.
  • the emulsion fuel of the present invention may be applied for the boiler, the generator, the combustion furnace and the incinerator, and utilization of the waste oil is possible. Such a result was obtained that, if the emulsion fuel of the present invention is used for the combustion furnace, the energy saving effect may be increased by 30 to 40%.
EP07806892A 2006-09-01 2007-08-31 Verfahren zur herstellung einer brennstoffemulsion und vorrichtung zur herstellung des brennstoffs Withdrawn EP2068080A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006238131 2006-09-01
PCT/JP2007/067451 WO2008029898A1 (fr) 2006-09-01 2007-08-31 Procédé de production de carburant en émulsion et appareil de production du carburant

Publications (1)

Publication Number Publication Date
EP2068080A1 true EP2068080A1 (de) 2009-06-10

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Application Number Title Priority Date Filing Date
EP07806892A Withdrawn EP2068080A1 (de) 2006-09-01 2007-08-31 Verfahren zur herstellung einer brennstoffemulsion und vorrichtung zur herstellung des brennstoffs

Country Status (7)

Country Link
US (1) US20100186288A1 (de)
EP (1) EP2068080A1 (de)
KR (1) KR20090049085A (de)
CN (1) CN101535718B (de)
RU (1) RU2440403C2 (de)
SG (1) SG174732A1 (de)
WO (1) WO2008029898A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2420313A4 (de) * 2009-02-10 2012-08-15 Maschenko Viktor Viktorovich Verfahren zur herstellung einer wasser-brennstoff-emulsion und eines mehrkomponenten-verbundbrennstoffs

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US20120308941A1 (en) * 2010-01-07 2012-12-06 Saburo Ishiguro Method and device for high-temperature combustion using fuel and aqueous solution of organic compound
EP2865735B1 (de) 2011-03-29 2018-02-21 Fuelina Technologies, LLC Verfahren und vorrichtung zur herstellung von hybridkraftstoff
CN106459792A (zh) * 2014-03-28 2017-02-22 皇家集团有限公司 燃料烃油的生产方法和装置
RU2596625C2 (ru) * 2014-11-06 2016-09-10 Федеральное государственное унитарное предприятие "Ордена Ленина и ордена Трудового Красного Знамени научно-исследовательский институт синтетического каучука имени академика С.В. Лебедева" Способ повышения удельной эффективности жидких углеводородных топлив и устройство для осуществления способа
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CN106582458A (zh) * 2015-10-16 2017-04-26 世能华奇（北京）科技发展有限公司 一种混合柴油的制造方法、由该方法制造的混合柴油及其制造装置
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Also Published As

Publication number Publication date
CN101535718B (zh) 2012-02-29
CN101535718A (zh) 2009-09-16
RU2440403C2 (ru) 2012-01-20
US20100186288A1 (en) 2010-07-29
SG174732A1 (en) 2011-10-28
WO2008029898A1 (fr) 2008-03-13
RU2009111851A (ru) 2010-10-10
KR20090049085A (ko) 2009-05-15

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