KR910002232Y1 - System for mixing fuel for marine diesel engine - Google Patents
System for mixing fuel for marine diesel engine Download PDFInfo
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- KR910002232Y1 KR910002232Y1 KR2019870019690U KR870019690U KR910002232Y1 KR 910002232 Y1 KR910002232 Y1 KR 910002232Y1 KR 2019870019690 U KR2019870019690 U KR 2019870019690U KR 870019690 U KR870019690 U KR 870019690U KR 910002232 Y1 KR910002232 Y1 KR 910002232Y1
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- oil
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- diesel
- differential pressure
- mixer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/04—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers
- F02B61/045—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers for outboard marine engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating or supervising devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/30—Sensors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
내용 없음.No content.
Description
제1도는 본 고안에 따른 연료 혼합장치의 개략도.1 is a schematic view of a fuel mixing device according to the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 디젤유연료 탱크 2 : 저질유연료 탱크1: diesel fuel tank 2: low quality fuel tank
7 : 디젤유 급유펌프 8 : 저질유급유펌프7: Diesel oil lubrication pump 8: Low oil lubrication pump
9, 10 : 체크벨브 11, 12 : 유량계9, 10: check valve 11, 12: flow meter
14 : 혼합기 16 : 차압센서14 Mixer 16 Differential Pressure Sensor
16a, 16b : 치압감지스위치 17 : 혼합비율설정기16a, 16b: Pressure sensing switch 17: Mixing ratio setter
18 : 제어유니트18: control unit
본 고안은 선박용 디젤기관 연료혼합장치에 관한 것으로, 특히 디젤유와 저질유로 균질로 혼합할 수 있는 선박용 디젤기관 연료혼합장치에 관한 것이다The present invention relates to a marine diesel engine fuel mixing device, and more particularly to a marine diesel engine fuel mixing device that can be homogeneously mixed with diesel oil and low quality oil.
일반적으로 선박용 디젤기관의 운전을 위해서 디젤유와 저질유를 혼합한 연료유를 사용하는 것이 보다 경제적이다. 이에 디젤유 및 저절유를 송출하기 위한 2개의 송출변동 급유펌프와 혼합기를 구비한 각종 형식의 연료혼합장치가 제안되어 왔다. 그러나 이러한 장치는 디젤유급유펌프가 고장시에는 저질유만 기관에 공급되므로 기관에 극심한 피해를 유발하는 결점을 가지고 있었다.In general, it is more economical to use fuel oil in which diesel oil and low quality oil are mixed to operate a marine diesel engine. To this end, various types of fuel mixing apparatuses including two delivery variable oil supply pumps and a mixer for delivering diesel oil and low oil oil have been proposed. However, such a device had a drawback causing severe damage to the engine since only the low oil was supplied to the engine when the diesel oil pump failed.
이를 극복하고자 디젤유를 기관에 중력으로 급유하기 고가탱크(overhead tank), 저질유를 급유하기 위한 급유펌프 및 저질유 유량을 조정하기 위한 유량조절밸브를 구비한 연료혼합장치가 대한민국 실용신안 공고번호82-1846호에 기재되어 있다.In order to overcome this problem, a fuel mixing device including an overhead tank for supplying diesel oil to the engine by gravity, an oil supply pump for supplying low quality oil, and a flow control valve for adjusting the oil quality flow rate is disclosed in Korean Utility Model Publication No. 82-1846.
그러나 이러한 장치는 상술한 바와같은 종래 기술의 문제점은 해결할수 있으나 저질유의 유량만을 조정하여 혼합비를 제어하기 때문에 정확한 연료혼합제어가 어려운 결점이 있다. 또한 디젤유를 중력으로 급유하기 위해서는 반드시 연료혼합장치보다 높은 위치에 디젤유 연료탱크를 설치하여야 하므로 설치공간이 제한되는 결점이 있을 뿐만 아니라 연료탱크의 설치높이에 따라 저질유 유량제어를 달리하여야 하므로 범용성이 떨어지는 결점이 있었다.However, such a device can solve the problems of the prior art as described above, but precise fuel mixing control is difficult because it controls the mixing ratio by adjusting only the flow rate of low quality oil. In addition, in order to refuel diesel oil by gravity, the diesel fuel tank must be installed at a higher position than the fuel mixing device. Therefore, there is a drawback that the installation space is limited and the low quality oil flow control must be changed according to the installation height of the fuel tank. There was a drawback of poor versatility.
따라서 본 고안의 목적은 상기와 같은 종래 기술의 제문제점을 해결하기 위하여 디젤유와 저질유를 각각의 송출변동 급유펌프로 급유하고 혼합기에 급유되는 각 연료유의 유압차를 감지하여 급유이상 상태시에는 이를 검출하여 경보함으로써 항상 정상상태에서 설정되는 혼합비로 2종류의 연료를 정확하게 혼합할 수 있는 선박용 디젤기관 연료 혼합장치를 제공하는 데 있다.Therefore, the object of the present invention is to solve the problems of the prior art as described above, to supply diesel oil and low-quality oil to each of the discharge variable oil pump and to detect the hydraulic difference of each fuel oil supplied to the mixer in the event of abnormal oil supply The present invention provides a marine diesel engine fuel mixing device capable of accurately mixing two types of fuel at a mixing ratio set at a steady state by detecting and alarming this.
이와같은 목적을 달성하기 위하여 본 고안은 디젤유 연료 탱크 및 저질유 연료탱크와 디젤유 및 디젤유를 균질의 혼합유로 혼합하기 위한 혼합기를 구비한 선박용 디젤기관 연료공급장치에서, 상기 디젤유 연료 탱크 및 저질유 연료 탱크로부터 디젤유 및 저질유를 각각의 체크밸브 및 유량계를 거쳐서 상기 혼합기에 송출하는 디젤유 급유펌프 및 저질유 급유펌프와, 상기 혼합기에 송출되는 각 연료유의 유압차를 감지하는 차압센서와, 상기 디젤유와 저질유의 혼합비율을 설정하는 혼합비율설정기와, 이 혼합비율 설정치에 따라 상기 2개의 급유펌프의 회전수를 제어하고 상기 차압센서의 아상 검출신호에 따라 경보신호를 내보내는 제어유니트와로 구성되는 것을 특징으로 한다.In order to achieve the above object, the present invention provides a diesel engine fuel supply device including a diesel fuel tank and a low oil fuel tank, and a diesel engine fuel supply device having a mixer for mixing diesel oil and diesel oil into a homogeneous mixed oil. And a differential pressure for detecting a diesel oil refrigeration pump and a low oil refueling pump for sending diesel oil and low oil from the low oil fuel tank to the mixer through respective check valves and flow meters, and a hydraulic pressure of each fuel oil sent to the mixer. A sensor, a mixing ratio setting unit for setting a mixing ratio of the diesel oil and a low quality oil, and a control for controlling the rotation speed of the two oil supply pumps according to the mixing ratio setting value and sending out an alarm signal according to the subphase detection signal of the differential pressure sensor. It is characterized by consisting of the unit.
이하, 첨부된 도면을 참조하여 본 고안을 보다 상세하게 설명하기로 한다.Hereinafter, with reference to the accompanying drawings will be described in detail the present invention.
제1도는 본 고안에 따른 연료혼합장치의 개략도로서, 디젤유 연료탱크(1)의 유출구는 밸브(3) 및 디젤유급유펌프(7)를 거쳐서 체크밸브(9)의 일단에 급유관(5)으로 접속한다. 또한 저질유 연료탱크(2)의 유출구는 밸브(4) 및 저질유급유펌프(8)를 거쳐서 체크밸브(9)(10)의 각 타단은 일단에 급유관(6)으로 접속한다. 상기 체크밸브(9)(10)의 T형 급유관(13)의 일측 분기관(13a)과 타측분기관(13b)에 각각 접속한다. 상기 양분기관(13a)(13b)상에는 유량계(11)(12)를 각각 접속한다. 상기 T형 급유관(13)은 혼합기(14)를 통하여 릴리이프밸브(15)의 일단에 접속하고 상기 릴리이프 밸브(15)의 타단의 급유관(23)으로 기관에 접속한다. 상기 T형 급유관(13)의 양 분기관(13a)(13b) 상에 각각 접속되는 모세관(16c)(16d)으로 접속하는 차압센서(16)는 일측의 모세관(16c)이 분개되어 각각 접속되고 타측에는 모세관(16d)이 분기되어 각각 접속되는 두개의 차압감지스위치(16a)(16b)로 구성한다.1 is a schematic view of a fuel mixing device according to the present invention, the outlet of the diesel oil fuel tank (1) through the valve (3) and the diesel oil feed pump (7) at one end of the check valve (9) Connect with). In addition, the outlet of the low oil fuel tank 2 is connected to the other end of the check valves 9 and 10 via an oil supply pipe 6 via a valve 4 and a low oil fuel pump 8. The check valves 9 and 10 are connected to one branch pipe 13a and the other branch pipe 13b of the T-type oil supply pipe 13, respectively. Flowmeters 11 and 12 are connected to the nutrient engines 13a and 13b, respectively. The T-type oil supply pipe 13 is connected to one end of the relief valve 15 through the mixer 14, and is connected to the engine by the oil supply pipe 23 at the other end of the relief valve 15. The differential pressure sensor 16 which is connected to the capillary tubes 16c and 16d respectively connected on both branch pipes 13a and 13b of the T-type oil supply pipe 13 has one capillary tube 16c separated and connected to each other. On the other side, the capillary tube 16d is divided into two differential pressure sensing switches 16a and 16b, respectively.
상기 차압감지스위치(16a)(16b)는 상호 배타적으로 스위칭되며 이를 스위칭동작에 따른 전기적신호가 차압감지신호로 제어유니트(18)에 공급된다. 혼합비율설정기(17)는 두개의 원호형 슬라이드 저항기로 이들 저항치의 상대적 변화로 혼합비를 설정한다.The differential pressure sensing switches 16a and 16b are mutually exclusively switched, and an electrical signal according to the switching operation is supplied to the control unit 18 as a differential pressure sensing signal. The mixing ratio setter 17 sets the mixing ratio by the relative change of these resistance values with two arc-shaped slide resistors.
제어유니트(18)는 상기 혼합비율설정기(17)의 상대적인 저항변화치에 따라 상기 디젤유 공급펌프(7)및 저질유 공급펌프(8)의 모우터 회전수를 제어하도록 구성하며 또한 상기 차압센서(13)의 출력신호를 받아서 경고신호를 내보내도록 구성하여서 된 것이다.The control unit 18 is configured to control the motor rotational speed of the diesel oil supply pump 7 and the low quality oil supply pump 8 according to the relative change in resistance of the mixing ratio setter 17 and the differential pressure sensor. It is configured to receive the output signal of (13) and send out warning signal.
참조번호(19)는 저질유가 디젤유에 혼입되는 것을 방지하기 위한 체크밸브이며, 참조번호(21)(20)는 각 디젤유급유펌프(7)및 저질유 급유펌프(8)의 토출유압이 일정치 이상이면 개방되어 급유펌프(7)(8)에 과압이 작용되는 것을 방지하기 위한 체크밸브이다.Reference numeral 19 is a check valve for preventing the low quality oil from being mixed in the diesel oil, reference numeral 21, 20 is the discharge oil pressure of each of the diesel oil fuel pump (7) and the low oil fuel oil pump (8). It is a check valve for opening when it is still abnormal and preventing overpressure from acting on the oil feed pumps 7 and 8.
참조번호(22)는 급유관(6)(13)에 저질유가 응고되는 것을 방지하기 위하여 급유관(6)(13)을 가열하기 위해 증기가 유입되는 배관이다.Reference numeral 22 denotes a pipe through which steam is introduced to heat the oil supply pipes 6 and 13 to prevent solid oil from coagulating in the oil supply pipes 6 and 13.
이와같이 구성된 본 고안의 작용 및 효과는 다음과 같다.The operation and effects of the present invention configured as described above are as follows.
혼합비율 설정기(17)로 디젤유와 저질유의 혼합비율을 설정하면, 예컨대 50%로 혼합비율을 설정하면 제어유니트(18)에서는 디젤유 급유펌프(7)와 저질유 급유펌프(8)를 상기 설정비율에 따라 동분회전수로 구동된다. 상기 설정비율을 달리하면 이에 대하여 2개의 급유펌프(7)(8)의 회전수로 변화하게 된다. 상기 급유펌프(7)(8)의 회전에 의해 각각의 연료유가 토출되며 토출된 연료유는 체크밸브(9)(10)에 의해 일정한 유압을 가지게 된다. 이 체크밸브(9)(10)를 통한 연료유는 유량계(11)(12)에 의해 각각의 유량을 지침으로 알수 있으며, 유량계(11)(12)를 통하여 혼합기(14)에서 균일하게 혼합되게 된다. 이 혼합기(14)를 통한 연료유는 균질하게 혼합된 혼합유가 되며 이 혼합유는 릴리이프밸브(15)에 의해 배압을 가지게된다. 이 배압이 저질유와 디젤유의 양을 일정하게 유지시키는 작용을 한다. 이때 만약 T형 급유관(13)의 양 분기관(13a)(13b)사이에 차압이 발생하게 되면 차압센서(16)에서 이를 검출하게 된다. 예컨대 디젤유가 송출되는 분기관(13a)이 저질유가 송출되는 분기관(13b)보다 압력이 일정치 이상으로 높아지면 차압감지스위치(16a)는 온상태, 차압감지스위치(16b)는 오프상태로 되고, 역으로 되면 차압감지스위치(16b)는 온상태 차압감지스위치(16a)는 오프상태로 되게된다. 차압이 감지되지 않을 경우에는 두 차압감지스위치(16a)(16b)는 오프상태를 유지한다. 따라서 이들 차압감지스위치(16a)(16b)의 스위칭신호는 제어유니트(18)에 전달되고 제어유니트(18)에서는 이 신호를 받아 연료혼합장치에 이상이 있음을 경고하게 된다.When the mixing ratio of the diesel oil and the low quality oil is set by the mixing ratio setter 17, for example, when the mixing ratio is set to 50%, the control unit 18 supplies the diesel oil fuel pump 7 and the low quality oil fuel pump 8 to each other. It is driven at equal rotational speeds according to the set ratio. If the set ratio is different, the rotation speed of the two oil pumps 7 and 8 is changed. Each fuel oil is discharged by the rotation of the oil supply pumps 7 and 8, and the discharged fuel oil has a constant hydraulic pressure by the check valves 9 and 10. The fuel oil through the check valves (9) and (10) can know the respective flow rates by the flow meters (11) and (12) as a guide, and can be uniformly mixed in the mixer (14) through the flow meters (11) and (12). do. The fuel oil through this mixer 14 becomes a mixed oil mixed homogeneously, and this mixed oil has a back pressure by the relief valve 15. FIG. This back pressure acts to keep the quantity of low quality oil and diesel oil constant. At this time, if a differential pressure is generated between both branch pipes 13a and 13b of the T-type oil supply pipe 13, the differential pressure sensor 16 detects this. For example, when the pressure of the branch pipe 13a through which diesel oil is discharged is higher than a predetermined value by the branch pipe 13b through which low quality oil is discharged, the differential pressure detection switch 16a is turned on and the differential pressure detection switch 16b is turned off. When the pressure is reversed, the differential pressure detection switch 16b is turned on and the differential pressure detection switch 16a is turned off. If no differential pressure is detected, the two differential pressure detection switches 16a and 16b remain off. Therefore, the switching signals of these differential pressure sensing switches 16a and 16b are transmitted to the control unit 18 and the control unit 18 receives this signal to warn that there is an error in the fuel mixing device.
이와같이 본 고안에서는 디젤유와 저질유를 각각의 송출변동 급유펌프를 사용하여 급유하고 혼합기에 급유되는 각 연료유의 유압차를 감지하여 급유이상 상태시에는 이를 검출하여 경보함으로써 항상 정상상태에서 설정되는 혼합비로 2종류의 연료를 정확하게 혼합할 수 있다. 또한 정확한 연료혼합으로 기관의 운전효율을 향상시키는 효과도 얻을 수 있다.Thus, in the present invention, the diesel oil and the low quality oil are lubricated using the respective discharge variable oil feed pumps, and the hydraulic ratio of each fuel oil lubricated in the mixer is detected. The two types of fuel can be mixed accurately. In addition, it is possible to obtain the effect of improving the operating efficiency of the engine by accurate fuel mixing.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019870019690U KR910002232Y1 (en) | 1987-11-13 | 1987-11-13 | System for mixing fuel for marine diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019870019690U KR910002232Y1 (en) | 1987-11-13 | 1987-11-13 | System for mixing fuel for marine diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890010849U KR890010849U (en) | 1989-07-11 |
| KR910002232Y1 true KR910002232Y1 (en) | 1991-04-04 |
Family
ID=19269435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019870019690U KR910002232Y1 (en) | 1987-11-13 | 1987-11-13 | System for mixing fuel for marine diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR910002232Y1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009139975A1 (en) * | 2008-05-16 | 2009-11-19 | Woodward Governor Company | Engine fuel control system |
| KR100951523B1 (en) * | 2008-06-11 | 2010-04-07 | 현대중공업 주식회사 | Method on controlling of steam flow rate by controlling oil temperature |
| KR101415537B1 (en) * | 2013-07-10 | 2014-07-04 | (주)에스씨에스 | Explosion proof type differential pressure switch |
| KR101678478B1 (en) * | 2016-06-22 | 2016-11-22 | (주)에스씨에스 | Explosion proof type differential pressure gauge |
-
1987
- 1987-11-13 KR KR2019870019690U patent/KR910002232Y1/en not_active IP Right Cessation
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009139975A1 (en) * | 2008-05-16 | 2009-11-19 | Woodward Governor Company | Engine fuel control system |
| US7823562B2 (en) | 2008-05-16 | 2010-11-02 | Woodward Governor Company | Engine fuel control system |
| KR100951523B1 (en) * | 2008-06-11 | 2010-04-07 | 현대중공업 주식회사 | Method on controlling of steam flow rate by controlling oil temperature |
| KR101415537B1 (en) * | 2013-07-10 | 2014-07-04 | (주)에스씨에스 | Explosion proof type differential pressure switch |
| KR101678478B1 (en) * | 2016-06-22 | 2016-11-22 | (주)에스씨에스 | Explosion proof type differential pressure gauge |
Also Published As
| Publication number | Publication date |
|---|---|
| KR890010849U (en) | 1989-07-11 |
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