KR101241079B1 - Emulsion fuel supply system - Google Patents

Emulsion fuel supply system Download PDF

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KR101241079B1
KR101241079B1 KR1020117006060A KR20117006060A KR101241079B1 KR 101241079 B1 KR101241079 B1 KR 101241079B1 KR 1020117006060 A KR1020117006060 A KR 1020117006060A KR 20117006060 A KR20117006060 A KR 20117006060A KR 101241079 B1 KR101241079 B1 KR 101241079B1
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South Korea
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emulsion fuel
fuel
water
emulsion
fuel supply
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KR1020117006060A
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Korean (ko)
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KR20120057553A (en
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시로 나가토모
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시로 나가토모
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/022—Adding fuel and water emulsion, water or steam
    • F02M25/0228—Adding fuel and water emulsion
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/022—Adding fuel and water emulsion, water or steam
    • F02M25/0221—Details of the water supply system, e.g. pumps or arrangement of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
    • F23D11/16—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour in which an emulsion of water and fuel is sprayed
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2300/00—Pretreatment and supply of liquid fuel
    • F23K2300/20—Supply line arrangements
    • F23K2300/201—Pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2300/00—Pretreatment and supply of liquid fuel
    • F23K2300/20—Supply line arrangements
    • F23K2300/206—Control devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Feeding And Controlling Fuel (AREA)

Abstract

본 발명에서는, 연료를 물에 의하여 에멀션화 시킨 에멀션 연료를 연소장치(5)에 공급하는 에멀션 연료공급 시스템(1)에 있어서, 연료와 물의 혼합액을 순환펌프(15)에 의하여 순환시키는 순환유로(11)를 형성함과 아울러, 순환유로(11)로부터 분기된 분기관(16)에 연료와 물을 혼합하여 에멀션화 시키기 위한 에멀션 연료생성기(17)를 접속하고, 에멀션 연료생성기(17)에 연소장치(5)의 흡인펌프(31)를 접속하였다. 또한 흡인펌프(31)의 출력압력에 따라 순환펌프(15)의 출력을 증감하도록 제어하였다.In the present invention, in the emulsion fuel supply system 1 for supplying an emulsion fuel in which fuel is emulsified with water to the combustion device 5, a circulation passage for circulating a mixed liquid of fuel and water by a circulation pump 15 ( 11), an emulsion fuel generator 17 for mixing and emulsifying fuel and water in the branch pipe 16 branched from the circulation passage 11 is connected and burned to the emulsion fuel generator 17. The suction pump 31 of the apparatus 5 was connected. In addition, the output of the circulation pump 15 was increased or decreased in accordance with the output pressure of the suction pump 31.

Description

에멀션 연료공급 시스템{EMULSION FUEL SUPPLY SYSTEM}Emulsion Fuel Supply System {EMULSION FUEL SUPPLY SYSTEM}

본 발명은, 연료를 물에 의하여 에멀션화(emulsion化) 시킨 에멀션 연료를 연소장치(燃燒裝置)에 공급하는 에멀션 연료공급 시스템(emulsion fuel supply system)에 관한 것이다.
The present invention relates to an emulsion fuel supply system for supplying an emulsion fuel obtained by emulsifying fuel with water to a combustion device.

최근, 한계가 있는 석유계 연료의 유효한 활용이나 연소 시의 대기오염물질(질소산화물이나 매연먼지 등)의 발생방지 등을 목적으로 하여, 연료를 물에 의하여 에멀션화 시킨 에멀션 연료가 주목받고 있다.In recent years, attention has been paid to emulsion fuels in which fuels are emulsified with water for the purpose of effective utilization of limited petroleum fuels and prevention of generation of air pollutants (nitrogen oxides, soot dust, etc.) during combustion.

이 에멀션 연료를 엔진(engine) 등의 각종 연소장치에 공급하는 시스템(에멀션 연료공급 시스템)으로서는, 연료와 물과 유화제(乳化劑)를 소정의 조건에서 교반혼합(攪拌混合)하여 에멀션 연료를 생성하고, 그 에멀션 연료를 저장탱크(貯藏tank)에 저장하여 두고, 저장탱크로부터 각종 연소장치에 공급하도록 구성되어 있다(예를 들면 특허문헌1 참조).
As a system (emulsion fuel supply system) which supplies this emulsion fuel to various combustion apparatuses, such as an engine, an emulsion fuel is produced by stirring-mixing fuel, water, and an emulsifier on predetermined conditions. The emulsion fuel is stored in a storage tank and supplied to various combustion apparatuses from the storage tank (see Patent Document 1, for example).

일본국 공개특허 특개2008-150421호 공보Japanese Laid-Open Patent Publication No. 2008-150421

그러나 상기한 종래의 에멀션 연료공급 시스템에서는, 에멀션 연료를 저장한 저장탱크로부터 연소장치에 에멀션 연료를 공급하도록 구성되어 있었기 때문에, 연료의 에멀션화가 불충분하면, 연료와 물이 분리된 상태에서 연소장치에 공급되어 연소장치의 고장이나 파손의 원인이 되고 있었다.However, in the conventional emulsion fuel supply system described above, since the emulsion fuel is supplied from the storage tank storing the emulsion fuel to the combustion device, if the fuel is not sufficiently emulsified, the combustion device is separated from the fuel and water. It was supplied, causing failure or damage of the combustion apparatus.

또한 종래의 에멀션 연료공급 시스템에서는, 안정하게 에멀션 연료를 공급하기 위하여 대형의 펌프를 사용할 필요가 있어, 설비비용이나 런닝 코스트가 증대하는 원인이 되고 있었다.
Moreover, in the conventional emulsion fuel supply system, it is necessary to use a large pump in order to supply emulsion fuel stably, and it has become a cause which the installation cost and running cost increase.

그래서 청구항1에 관한 본 발명에서는, 연료를 물에 의하여 에멀션화(emulsion化) 시킨 에멀션 연료를 연소장치(燃燒裝置)에 공급하는 에멀션 연료공급 시스템(emulsion fuel supply system)에 있어서, 연료와 물의 혼합액을 순환펌프(循環pump)에 의하여 순환시키는 순환유로(循環流路)를 형성함과 아울러, 순환유로로부터 분기된 분기관(分岐管)에 연료와 물을 혼합하여 에멀션화 시키기 위한 에멀션 연료생성기(emulsion 燃料生成器)를 접속하고, 에멀션 연료생성기에 연소장치의 흡인펌프(吸引pump)를 접속하는 것으로 하였다.Therefore, in the present invention according to claim 1, in an emulsion fuel supply system for supplying an emulsion fuel obtained by emulsifying fuel with water to a combustion device, a mixture of fuel and water An emulsion fuel generator for forming a circulation passage through which a circulating pump is circulated, and emulsifying the fuel and water in a branch pipe branched from the circulation passage. The emulsion fuel generator was connected, and the suction pump of the combustion apparatus was connected to the emulsion fuel generator.

또한 청구항2에 관한 본 발명에서는, 상기 청구항1에 관한 본 발명에 있어서, 흡인펌프의 출력압력에 따라 순환펌프의 출력을 증감하도록 제어하는 것으로 하였다.
In the present invention according to claim 2, in the present invention according to claim 1, the output of the circulation pump is controlled to increase or decrease in accordance with the output pressure of the suction pump.

그리고 본 발명에서는, 이하에 기재하는 효과를 얻을 수 있다.And in this invention, the effect described below can be acquired.

즉 본 발명에서는, 연료를 물에 의하여 에멀션화 시킨 에멀션 연료를 연소장치에 공급하는 에멀션 연료공급 시스템에 있어서, 연료와 물의 혼합액을 순환펌프에 의하여 순환시키는 순환유로를 형성함과 아울러, 순환유로로부터 분기된 분기관에 연료와 물을 혼합하여 에멀션화 시키기 위한 에멀션 연료생성기를 접속하고, 에멀션 연료생성기에 연소장치의 흡인펌프를 접속하도록 되어 있기 때문에, 순환유로에서 연료와 물을 충분하게 혼합시킨 상태에서 에멀션 연료생성기에 의하여 에멀션화 시킬 수 있으므로, 양호하게 에멀션 연료를 생성할 수 있어 종래의 불충분한 에멀션화에 기인하는 연소장치의 고장이나 파손을 방지할 수 있을 뿐만 아니라, 순환펌프와 흡인펌프가 협동하여 에멀션 연료를 연소장치에 공급하게 되어, 순환펌프의 소형화를 도모할 수 있어 설비비용이나 런닝 코스트를 저감할 수 있다.That is, in the present invention, in the emulsion fuel supply system for supplying an emulsion fuel in which the fuel is emulsified with water to the combustion apparatus, a circulation passage for circulating a mixed liquid of fuel and water with a circulation pump is provided. An emulsion fuel generator for mixing and emulsifying fuel and water is connected to the branched branch pipe, and a suction pump of the combustion device is connected to the emulsion fuel generator, so that the fuel and water are sufficiently mixed in the circulation passage. The emulsion fuel generator can be emulsified, so that the emulsion fuel can be produced satisfactorily, and it is possible to prevent the failure or breakage of the combustion apparatus due to insufficient emulsification in the prior art, and the circulation pump and the suction pump Working together emulsion fuel Is supplied to the combustion device, it is possible to reduce the size of the circulation pump makes it possible to reduce the equipment cost and running cost.

특히 흡인펌프의 출력압력에 따라 순환펌프의 출력을 증감하도록 제어하였을 경우에는, 순환펌프의 출력을 최적화 할 수 있어 순환펌프의 부하를 저감시킬 수 있기 때문에, 순환펌프의 수명의 장기화를 도모할 수 있다.
In particular, when the output of the circulating pump is controlled to increase or decrease according to the output pressure of the suction pump, the output of the circulating pump can be optimized and the load of the circulating pump can be reduced, so that the life of the circulating pump can be extended. have.

도1은 본 발명에 관한 에멀션 연료공급 시스템을 나타내는 설명도이다.
도2는 에멀션 연료생성기를 나타내는 단면도((a)는 분해상태, (b)는 조립상태)이다.1 is an explanatory diagram showing an emulsion fuel supply system according to the present invention.
2 is a cross-sectional view showing the emulsion fuel generator ((a) is an exploded state, (b) is an assembled state).

이하에서는, 본 발명에 관한 에멀션 연료공급 시스템의 구체적인 구성에 대하여 도면을 참조하면서 설명한다.EMBODIMENT OF THE INVENTION Hereinafter, the specific structure of the emulsion fuel supply system which concerns on this invention is demonstrated, referring drawings.

도1에 나타나 있는 바와 같이 에멀션 연료공급 시스템(emulsion fuel supply system)(1)은, 연료를 공급하는 연료공급원(燃料供給源)(2)과 물을 공급하는 물 공급원(水供給源)(3)을 접속한 연료공급장치(燃料供給裝置)(4)와, 연료공급장치(4)로부터 공급된 연료에 의하여 구동하는 연소장치(燃燒裝置)(5)와, 이들 연료공급장치(4) 및 연소장치(5)를 구동제어하는 제어장치(制御裝置)(6)로 구성하고, 연료공급원(2)으로부터 공급된 연료와 물 공급원(3)으로부터 공급된 물을 사용하여 연료공급장치(4)에 의하여 에멀션 연료를 생성함과 아울러, 생성된 에멀션 연료를 생성 후 즉시 연소장치(5)에 공급하여 연소시키기 위한 시스템이다. 또 연료로서는 중유, 경유, 휘발유, 등유 등의 각종 액체연료를 사용할 수 있다. 또한 물로서는 수돗물, 증류수, 산화·환원수 등의 각종 물을 사용할 수 있다.As shown in Fig. 1, an emulsion fuel supply system 1 includes a fuel supply source 2 for supplying fuel and a water supply source 3 for supplying water. ), A fuel supply device 4 connected thereto, a combustion device 5 driven by fuel supplied from the fuel supply device 4, these fuel supply devices 4, and A fuel supply device 4 comprising a control device 6 for driving control of the combustion device 5 and using fuel supplied from the fuel supply source 2 and water supplied from the water supply source 3. By producing the emulsion fuel by means of the above, it is a system for supplying the produced emulsion fuel to the combustion device 5 immediately after generation to burn. As the fuel, various liquid fuels such as heavy oil, light oil, gasoline and kerosene can be used. Moreover, as water, various water, such as tap water, distilled water, and oxidized and reduced water, can be used.

연료공급장치(4)는, 혼합기(混合器)(7)에 연료공급원(2)을 3방 제어밸브(8)를 통하여 접속함과 아울러, 혼합기(7)에 물 공급원(3)을 개폐제어밸브(開閉制御valve)(9)를 통하여 접속하고, 혼합기(7)에 연결관(連結管)(10)을 통하여 순환유로(循環流路)(11)의 혼합기(12)에 접속하고 있다.The fuel supply device 4 connects the fuel supply source 2 to the mixer 7 through the three-way control valve 8 and controls the opening and closing of the water supply source 3 to the mixer 7. It is connected via a valve 9, and is connected to the mixer 12 of the circulation passage 11 through a connecting pipe 10 to the mixer 7.

이 순환유로(11)는, 혼합기(12)에 왕로관(往路管)(13)과 귀로관(歸路管)(14)을 폐루프 모양으로 접속함과 아울러, 왕로관(13)과 귀로관(14)의 사이에 순환펌프(循環pump)(15)를 삽입하여 설치하고 있다.The circulation passage 11 connects the back pipe 13 and the return pipe 14 to the mixer 12 in a closed loop shape, and the back pipe 13 and the home. A circulation pump 15 is inserted between the pipes 14 and installed.

또한 연료공급장치(4)는, 순환유로(11)의 귀로관(14)의 중도부를 분기(分岐)시켜서 분기관(分岐管)(16)을 접속하고, 분기관(16)에 에멀션 연료생성기(emulsion 燃料生成器)(17)를 접속하고, 에멀션 연료생성기(17)에 3방 제어밸브(18)를 연결관(19)을 통하여 접속하고, 3방 제어밸브(18)를 바이패스 관(bypass 管)(20)을 통하여 3방 제어밸브(8)에 접속하고 있다.In addition, the fuel supply device 4 branches the midway portion of the return pipe 14 of the circulation passage 11 to connect a branch pipe 16 to the branch pipe 16 to form an emulsion fuel generator. The three-way control valve 18 is connected to the emulsion fuel generator 17 through the connecting pipe 19, and the three-way control valve 18 is connected to the bypass pipe. It is connected to the 3-way control valve 8 via the bypass pipe 20.

여기에서 에멀션 연료생성기(17)는, 도2에 나타나 있는 바와 같이 홀더(holder)(21)의 내부에 자기링(磁氣ring)(22)과 본체(本體)(23)와 캡(cap)(24)을 수용한 구성으로 되어 있다. 홀더(21)는, 양단부에 연결관(19)이나 공급관(20)을 접속하는 연결나사부(25, 26)를 형성함과 아울러, 내부에 통 형의 수용실(收容室)(27)과 배출관(排出管)(28)을 연결시켜서 형성되어 있다. 자기링(22)은, 원환상(圓環狀)의 자석으로 형성되어 있고, 본체(23)에서 생성된 에멀션 연료에 자기를 작용시켜서 에멀션화의 촉진 및 에멀션 상태의 지지를 하도록 되어 있다. 본체(23)는, 원통에 원형의 단면을 구비하는 끝이 가는 모양의 테이퍼 구멍(29)을 형성하고, 연결관(19)으로부터 미리 혼합된 상태에서 공급되는 연료와 물을 점차 직경이 작아지는 테이퍼 구멍(29)의 내부를 동시에 통과시킴으로써, 유속(流速) 및 압력의 급격한 변화에 따르는 캐비테이션(cavitation)을 일으키게 하여 연료를 물에 의하여 에멀션화 시키도록 되어 있다. 캡(24)은, 중공(中空)의 원통형 모양으로 형성되어 있고, 홀더(21)의 수용실(27)의 내부에 자기링(22), 본체(23)의 순서로 수용된 후에 수용실(27)에 나사결합시킴으로써 수용실(27)에 자기링(22)과 본체(23)를 지지하도록 되어 있다.Here, the emulsion fuel generator 17 has a magnetic ring 22, a main body 23, and a cap inside the holder 21, as shown in FIG. It has the structure which accommodated (24). The holder 21 forms connecting screw portions 25 and 26 for connecting the connecting pipe 19 and the supply pipe 20 to both ends, and has a tubular accommodating chamber 27 and a discharge pipe therein. It is formed by connecting 28. The magnetic ring 22 is formed of an annular magnet, and acts on the emulsion fuel produced by the main body 23 to promote the emulsification and to support the emulsion state. The main body 23 forms a tapered hole 29 having a thin end having a circular cross section in the cylinder, and the fuel and water supplied in a pre-mixed state from the connecting pipe 19 gradually decrease in diameter. By simultaneously passing through the inside of the taper hole 29, the cavitation caused by the rapid change of the flow velocity and pressure is caused, and the fuel is emulsified by water. The cap 24 is formed in the hollow cylindrical shape, and is accommodated in the order of the magnetic ring 22 and the main body 23 in the inside of the storage chamber 27 of the holder 21, and then the storage chamber 27 The magnetic ring 22 and the main body 23 are supported in the storage chamber 27 by screwing into the

또한 연료공급장치(4)는 3방 제어밸브(18)에 연소장치(5)를 공급관(30)을 통하여 접속하고 있다.In addition, the fuel supply device 4 connects the combustion device 5 to the three-way control valve 18 via the supply pipe 30.

연소장치(5)는 공급관(30)에 흡인펌프(吸引pump)(31)를 접속하고, 흡인펌프(31)에 연소기(燃燒器)(32)를 연결관(33)을 통하여 접속하고 있다.The combustion apparatus 5 connects the suction pump 31 to the supply pipe 30, and connects the combustor 32 to the suction pump 31 through the connection pipe 33.

또한 연소장치(5)는 연결관(33)의 중도부에 흡인펌프(31)의 출력압력(흡인펌프(31)의 출구에서의 압력이고, 에멀션 연료의 연소기(32)로의 공급압력)을 계측하기 위한 압력센서(壓力sensor)(34)를 접속하고 있다.In addition, the combustion device 5 measures the output pressure of the suction pump 31 (the pressure at the outlet of the suction pump 31 and the supply pressure of the emulsion fuel to the combustor 32) in the middle portion of the connecting pipe 33. A pressure sensor 34 for the purpose of connection is connected.

제어장치(6)는, 연료공급장치(4)의 개폐제어밸브(9)와 3방 제어밸브(8, 18)와 순환펌프(15)와 연소장치(5)의 흡인펌프(31)와 압력센서(34)에 접속되어 있고, 개폐제어밸브(9)의 개폐제어나 3방 제어밸브(8, 18)의 유로절환제어(流路切換制御)나 순환펌프(15) 및 흡인펌프(31)의 구동제어를 적절하게 함과 아울러, 압력센서(34)에 의하여 흡인펌프(31)의 출력압력의 계측을 적절하게 하도록 되어 있다.The control device 6 includes an opening / closing control valve 9 of the fuel supply device 4, a three-way control valve 8, 18, a circulation pump 15, a suction pump 31 of the combustion device 5, and a pressure. Connected to the sensor 34, the opening / closing control of the opening / closing control valve 9, the flow path switching control of the three-way control valves 8 and 18, the circulation pump 15 and the suction pump 31 are connected. In addition to appropriate driving control, the pressure sensor 34 makes it possible to appropriately measure the output pressure of the suction pump 31.

즉 제어장치(6)는, 3방 제어밸브(8) 및 개폐제어밸브(9)를 제어함으로써 연료공급원(2)으로부터 혼합기(7)에 연료를 공급함과 아울러 물 공급원(3)으로부터 혼합기(7)에 물을 공급하고, 혼합기(7)에서 연료와 물을 혼합하여 혼합액을 생성하고, 그 혼합액을 순환유로(11)의 혼합기(12)에 공급하도록 되어 있다.In other words, the control device 6 supplies fuel to the mixer 7 from the fuel supply source 2 by controlling the three-way control valve 8 and the opening / closing control valve 9 and from the water supply source 3 to the mixer 7. ), Water and fuel are mixed in the mixer 7 to generate a mixed liquid, and the mixed liquid is supplied to the mixer 12 of the circulation passage 11.

또한 제어장치(6)는 순환펌프(15)를 구동시킴으로써 연료와 물의 혼합액을 순환유로(11)의 내부에서 순환시키도록 되어 있다.In addition, the control device 6 drives the circulation pump 15 to circulate the mixed liquid of fuel and water in the circulation passage 11.

이 상태에 있어서는, 분기관(16)에 접속된 에멀션 연료생성기(17)의 테이퍼 구멍(29)에서의 부하(압력 감소)가 커서, 순환펌프(15)의 출력압력에 의해서만은 압력부족에 의하여 혼합액이 분기관(16)으로부터 에멀션 연료생성기(17)로는 흐르지 않도록 되어 있다.In this state, the load (pressure reduction) at the taper hole 29 of the emulsion fuel generator 17 connected to the branch pipe 16 is large, and only the output pressure of the circulation pump 15 is caused by the lack of pressure. The mixed liquid does not flow from the branch pipe 16 to the emulsion fuel generator 17.

그리고 제어장치(6)는 압력센서(34)에 의하여 흡인펌프(31)의 출력압력을 계측하여, 흡인펌프(31)의 출력압력이 연소기(32)에서 필요로 하는 압력이 될 때까지 순환펌프(15)의 출력을 증대시키고, 이에 따라 순환유로(11)의 내부를 순환하는 혼합액의 일부를 분기관(16)으로부터 에멀션 연료생성기(17)로 흐르게 하여, 에멀션 연료생성기(17)에서 에멀션화 시킨 에멀션 연료를 공급관(30)으로부터 연소장치(5)로 공급하도록 되어 있다.The control device 6 measures the output pressure of the suction pump 31 by the pressure sensor 34, and the circulation pump until the output pressure of the suction pump 31 becomes the pressure required by the combustor 32. The output of (15) is increased, and thus, a part of the mixed liquid circulating in the circulation passage 11 flows from the branch pipe 16 to the emulsion fuel generator 17, thereby emulsifying it in the emulsion fuel generator 17. The emulsion fuel is made to be supplied from the supply pipe 30 to the combustion device 5.

또 제어장치(6)는, 개폐제어밸브(9)를 닫음과 아울러 3방 제어밸브(8, 18)를 제어함으로써 연료공급원(2)으로부터 연료만을 바이패스 관(20)을 통하여 연소장치(5)에 공급할 수도 있다.The control device 6 also closes the open / close control valve 9 and controls the three-way control valves 8 and 18 to control only the fuel from the fuel supply source 2 through the bypass pipe 20. ) Can also be supplied.

이상에서 설명한 바와 같이 에멀션 연료공급 시스템(1)은, 연료와 물의 혼합액을 순환펌프(15)에 의하여 순환시키는 순환유로(11)를 형성하고, 순환유로(11)로부터 분기된 분기관(16)에 연료와 물을 혼합하여 에멀션화 시키기 위한 에멀션 연료생성기(17)를 접속한 구성으로 되어 있다.As described above, the emulsion fuel supply system 1 forms a circulation passage 11 for circulating the mixed liquid of fuel and water by the circulation pump 15, and the branch pipe 16 branched from the circulation passage 11. Is connected to an emulsion fuel generator 17 for mixing and emulsifying fuel and water.

이 때문에 상기 구성의 에멀션 연료공급 시스템(1)에서는, 순환유로(11)에서 연료와 물을 미리 충분하게 혼합시킨 상태에서 에멀션 연료생성기(17)에서 에멀션화 시킬 수 있기 때문에, 양호하게 에멀션 연료를 생성할 수 있어 종래의 불충분한 에멀션화에 기인하는 연소장치(5)의 고장이나 파손을 방지할 수 있다.For this reason, in the emulsion fuel supply system 1 of the said structure, since emulsion can be emulsified in the emulsion fuel generator 17 in the state which mixed fuel and water in the circulation flow path 11 previously, satisfactorily emulsion fuel is carried out. This can prevent the failure or breakage of the combustion apparatus 5 due to conventional insufficient emulsification.

또한 상기 에멀션 연료공급 시스템(1)은 에멀션 연료생성기(17)에 연소장치(5)의 흡인펌프(21)를 접속한 구성으로 되어 있다.The emulsion fuel supply system 1 has a configuration in which a suction pump 21 of the combustion device 5 is connected to the emulsion fuel generator 17.

이 때문에 상기 구성의 에멀션 연료공급 시스템(1)에서는, 순환펌프(15)와 흡인펌프(31)가 협동하여 에멀션 연료를 연소장치(5)의 연소기(32)에 공급하도록 되어 있어, 순환펌프(15)의 소형화를 도모할 수 있어 설비비용이나 런닝 코스트를 저감할 수 있다.For this reason, in the emulsion fuel supply system 1 of the said structure, the circulation pump 15 and the suction pump 31 cooperate to supply emulsion fuel to the combustor 32 of the combustion apparatus 5, Comprising: 15) can be miniaturized and the equipment cost and running cost can be reduced.

또한 상기 에멀션 연료공급 시스템(1)은, 흡인펌프(31)의 출력압력에 따라 순환펌프(15)의 출력을 증감하도록 제어하는 구성으로 되어 있다.The emulsion fuel supply system 1 is configured to control the output of the circulation pump 15 in accordance with the output pressure of the suction pump 31.

이 때문에 상기 구성의 에멀션 연료공급 시스템(1)에서는, 순환펌프(15)의 출력을 최적화 할 수 있어 순환펌프(15)의 부하를 저감할 수 있기 때문에, 순환펌프(15)의 수명의 장기화를 도모할 수 있다.
For this reason, in the emulsion fuel supply system 1 of the said structure, since the output of the circulation pump 15 can be optimized and the load of the circulation pump 15 can be reduced, the life of the circulation pump 15 is extended. We can plan.

1 : 에멀션 연료공급 시스템
2 : 연료공급원
3 : 물 공급원
4 : 연료공급장치
5 : 연소장치
6 : 제어장치
7 : 혼합기
8 : 3방 제어밸브
9 : 개폐제어밸브
10 : 연결관
11 : 순환유로
12 : 혼합기
13 : 왕로관
14 : 귀로관
15 : 순환펌프
16 : 분기관
17 : 에멀션 연료생성기
18 : 3방 제어밸브
19 : 연결관
20 : 바이패스 관
21 : 홀더
22 : 자기링
23 : 본체
24 : 캡
25, 26 : 연결나사부
27 : 수용실
28 : 배출관
29 : 테이퍼 구멍
30 : 공급관
31 : 흡인펌프
32 : 연소기
33 : 연결관
34 : 압력센서1: emulsion fuel supply system
2: fuel supply source
3: water source
4: fuel supply device
5: combustion apparatus
6: controller
7: mixer
8: 3-way control valve
9: control valve
10 connector
11: circulating flow path
12: mixer
13: royal crown
14: return tube
15: circulation pump
16: branch pipe
17: emulsion fuel generator
18: 3-way control valve
19 connector
20: bypass tube
21: holder
22: magnetic ring
23: main body
24: cap
25, 26: connecting thread
27: accommodation room
28: discharge pipe
29: tapered hole
30: supply pipe
31: suction pump
32: burner
33 connector
34: pressure sensor

Claims (2)

연료를 물에 의하여 에멀션화(emulsion化) 시킨 에멀션 연료를 연소장치(燃燒裝置)에 공급하는 에멀션 연료공급 시스템(emulsion fuel supply system)에 있어서,
연료와 물의 혼합액을 순환펌프(循環pump)에 의하여 순환시키는 순환유로(循環流路)를 형성함과 아울러, 순환유로로부터 분기된 분기관(分岐管)에 연료와 물을 혼합하여 에멀션화 시키기 위한 에멀션 연료생성기(emulsion 燃料生成器)를 접속하고, 에멀션 연료생성기에 연소장치의 흡인펌프(吸引pump)를 접속하고, 흡인펌프의 출력압력을 계측하기 위한 압력센서를 설치하고,
에멀션 연료생성기에서의 압력감소에 의하여 순환펌프의 출력압력만으로는 압력부족으로 혼합액이 분기관으로부터 에멀션 연료생성기로는 흐르지 않고, 에멀션 연료생성기로부터 연소장치에 혼합액을 공급하는 때에는 압력센서에 의하여 흡인펌프의 출력압력을 계측하고, 흡인펌프의 출력압력이 연소장치의 연소기에서 필요로 하는 압력이 될 때까지 순환펌프의 출력을 증대시키도록 제어하는 것을 특징으로 하는 에멀션 연료공급 시스템.In an emulsion fuel supply system for supplying an emulsion fuel obtained by emulsifying fuel with water to a combustion device,
In order to form a circulation passage through which a mixture of fuel and water is circulated by a circulation pump, and to mix and emulsify fuel and water in a branch pipe branched from the circulation passage. Connect the emulsion fuel generator, connect the suction pump of the combustion device to the emulsion fuel generator , install a pressure sensor to measure the output pressure of the suction pump,
Due to the pressure decrease in the emulsion fuel generator, the mixed liquid does not flow from the branch pipe to the emulsion fuel generator due to insufficient pressure by the output pressure of the circulation pump alone. Emulsion fuel supply system characterized in that the output pressure is measured and controlled to increase the output of the circulation pump until the output pressure of the suction pump is the pressure required by the combustor of the combustion device . 삭제delete
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Publication number Priority date Publication date Assignee Title
KR20080001027A (en) * 2006-06-29 2008-01-03 (주)네오드 Method for supplying emulsion fuel and apparatus of suppling emulsion fuel for diesel engine, boiler, generator implementing the same

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JPS5251121A (en) * 1975-10-23 1977-04-23 Komatsu Ltd Fuel supply device
JP4911407B2 (en) * 2007-04-11 2012-04-04 株式会社 太陽 Waste oil mixing equipment
JP2010025437A (en) * 2008-07-18 2010-02-04 Kankyo Kaihatsu:Kk Emulsified fuel supply device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080001027A (en) * 2006-06-29 2008-01-03 (주)네오드 Method for supplying emulsion fuel and apparatus of suppling emulsion fuel for diesel engine, boiler, generator implementing the same

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