WO1981003202A1 - Method of combusting fuel in a diesel engine - Google Patents

Method of combusting fuel in a diesel engine Download PDF

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Publication number
WO1981003202A1
WO1981003202A1 PCT/JP1981/000033 JP8100033W WO8103202A1 WO 1981003202 A1 WO1981003202 A1 WO 1981003202A1 JP 8100033 W JP8100033 W JP 8100033W WO 8103202 A1 WO8103202 A1 WO 8103202A1
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WO
WIPO (PCT)
Prior art keywords
diesel engine
fuel
engine
oxygen content
air
Prior art date
Application number
PCT/JP1981/000033
Other languages
French (fr)
Japanese (ja)
Inventor
O Suzuki
Original Assignee
Tsurumi Soda Kk
O Suzuki
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 Tsurumi Soda Kk, O Suzuki filed Critical Tsurumi Soda Kk
Publication of WO1981003202A1 publication Critical patent/WO1981003202A1/en

Links

Classifications

    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • F02B3/08—Methods of operating
    • 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
    • F02B51/00—Other methods of operating engines involving pretreating of, or adding substances to, combustion air, fuel, or fuel-air mixture of the engines
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition

Definitions

  • the present invention relates to a method for twisting a fuel for diesel engines, and in order to improve ignitability and fuel efficiency, the oxygen content E in the air supplied to the combustion chamber is reduced by air. It's
  • An object of the present invention is to provide a method for burning diesel fuel which has the above-mentioned disadvantages without changing the engine mechanism.
  • the present invention operates a diesel engine.
  • WIPO This is a method of burning Diesel-Zengen material that is supplied while maintaining the oxygen content in the supplied air at a value within a certain range higher than that of air.
  • the oxygen partial pressure is 22 vo ⁇ . No effect is observed when the fuel pressure is less than 35 °C, and when the fuel pressure exceeds 35 vo ⁇ :! Burning is very rapid], and the high E force on the engine is instantaneous and the fluctuation of the force is large. Therefore, the oxygen content in the air supplied to the diesel engine is 22%. vo ⁇ % to 35 ⁇ , preferably 22 ⁇ ⁇ % to 26 v oS O
  • the fuel ignitability is good only by increasing the oxygen content E in the air supplied to the diesel engine.
  • the knocking phenomenon is reduced, the performance of the Diesel engine, such as heat efficiency and mechanical efficiency, is improved, and the fuel consumption is greatly reduced. be able to .
  • FIG. 1 is a diagram showing the relationship between the engine load and the thermal efficiency when the oxygen content in the air supplied to the engine flint chamber is varied.
  • FIG. 3 is a diagram of acupressure showing the pressure change during operation of the engine.
  • curves 1, 2 and 3 are the results when the oxygen content in the supply air is E 21 vo ⁇ %, 23 ⁇ ⁇ and 24 ⁇ ⁇ 9 ⁇ , respectively.
  • Figures 2 and 3 show the results of the above-mentioned phenomena in the case where the acid zero in the supply air is 21 ⁇ -0% and 23 ⁇ ⁇ %. Shown in

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

A method of combusting a fuel in a Diesel engine with good ignitability and fuel efficiency, which comprises running a Diesel engine on air with an oxygen partial pressure in a definite range higher than that of ordinary air, specifically, having an oxygen partial pressure of 22 vol.% to 35 vol.%, preferably 22 vol.% to 26 vol.%.

Description

明  Light
発明の名称 Title of invention
デ ィ - ゼル ヱ ン ジ ン の ;！料燃焼方法 技術分野  Di-Zerdinin's;! Combustion method Technical field
こ の発明は、 デ ィ - ゼル エ ン ジ ン を対象 と する燃料 撚焼方法に 関 し 、 着火性、 燃料効率 を 良好に する ため 、 燃焼室に 供給す る空気中の酸素分 E を空気のそれ よ  The present invention relates to a method for twisting a fuel for diesel engines, and in order to improve ignitability and fuel efficiency, the oxygen content E in the air supplied to the combustion chamber is reduced by air. It's
糸田  Itoda
も 高める よ う に したデ ィ - ゼル ヱ ン ジ ン の燃料機焼方 法に 関する 。  And how to burn fuel for Diesel Engines.
背景技術 Background art
従来力ゝ ら、 デ ィ - ゼ ル エ ン ジ ン は一殺的に 、 着火遅 れゃ 、 ま たそれに 伴 う 璣焼温度の一時的急上昇のため に運転中 に ノ ッ キ ン グ現象を起 した 、 燃料効率が悪 い等の欠点があ る こ と は周知で あ る 。  Conventionally, diesel engines have a knock-on effect during operation due to the ignition delay and the accompanying sudden increase in the burning temperature. It is well known that there are drawbacks such as fuel efficiency and poor fuel efficiency.
こ のため、 こ れ ら欠点の具体的 な解決手段、 例えば、 特公昭 54 — 15086 号お よ び特公昭 54 - 15087 号の よ う に ェ ン ジ ン に機構上の改良を施 した も の等種 々 研究 されている が、 未だ満足すべ き 方法は得 られて い い。  For this reason, specific solutions to these disadvantages, for example, those in which the engine has been mechanically improved as in JP-B-54-15086 and JP-B-54-15087. Various studies have been conducted, but a satisfactory method has not yet been obtained.
こ の発明は、 エ ン ジ ン の機構を変えずに上記の よ う 欠点の る いデ ィ - ゼル ヱ ン ジ ン の燃料燃焼方法を提 供する こ と を 目 的 と してい る 。  An object of the present invention is to provide a method for burning diesel fuel which has the above-mentioned disadvantages without changing the engine mechanism.
発明の開示 ' DISCLOSURE OF THE INVENTION ''
す わ ち本発明は、 デ ィ - ゼル ヱ ン ジ ン を運転する  In other words, the present invention operates a diesel engine.
OMPIOMPI
WIPO に 当 ]? 、 供給する空気中の酸素分 を空気のそれ よ も 高い一定範囲内の値に保持 して供給する デ ィ - ゼル ェ ン ジ ン の 料の燃焼方法で あ る 。 WIPO This is a method of burning Diesel-Zengen material that is supplied while maintaining the oxygen content in the supplied air at a value within a certain range higher than that of air.
本発明に おいて 、 酸素分圧が 22 vo^ 。 未満の と き は効果が認め られず、 ま た 3 5 vo^ を越え る と燃料 の :！焼が非常 に急速に ]? 、 エ ン ジ ン に高 E力が瞬時 にかか 力変動 も 大 き く な る ので、 デ ィ - ゼル ェ ン ジ ン に供給する空気中の酸素分 は 22 vo^ % 乃至 35 Ο と し、 好ま し く は 22 τ ο % 乃至 26 v oS と す る O  In the present invention, the oxygen partial pressure is 22 vo ^. No effect is observed when the fuel pressure is less than 35 ℃, and when the fuel pressure exceeds 35 vo ^:! Burning is very rapid], and the high E force on the engine is instantaneous and the fluctuation of the force is large. Therefore, the oxygen content in the air supplied to the diesel engine is 22%. vo ^% to 35 、, preferably 22 τ ο% to 26 v oS O
本発明に よれば、 デ ィ - ゼ ル エ ン ジ ン に供給する空 気中の酸素分 Eを増加する のみで 、 燃料の着火性が良 好と ]? 、 着火遅れが 力変動が小さ く な る と共に ノ ッ キ ン グ現象 も 少 く な る ため 、 デ ィ - ゼル ェ ン ジ ン の熱効率 お よ び機械効率等の性能が向上する の で 、 燃料消費量を大 き く 節減す る こ と がで き る 。  According to the present invention, the fuel ignitability is good only by increasing the oxygen content E in the air supplied to the diesel engine. In addition, since the knocking phenomenon is reduced, the performance of the Diesel engine, such as heat efficiency and mechanical efficiency, is improved, and the fuel consumption is greatly reduced. be able to .
図面の簡単 説明 Brief description of drawings
第 1 図は ェ ン ジ ン 燧焼室に供給する空気中 の酸素分 を変化させた場合の ェ ン ジ ン の負荷 と熱効率 と の関 係を示す線図で あ 、 第 2 図お よ び第 3 図はそれぞれ ェ ン ジ ン の運転中 の圧力変化を示 した指圧鎳図であ る 発明 を実施する ための最良の形態  Fig. 1 is a diagram showing the relationship between the engine load and the thermal efficiency when the oxygen content in the air supplied to the engine flint chamber is varied. FIG. 3 is a diagram of acupressure showing the pressure change during operation of the engine. BEST MODE FOR CARRYING OUT THE INVENTION
本発明方法を実施する に 当 ]) 、 予燧焼室式デ ィ - ゼ ル エ ン ジ ン を使用 し、 セ タ ン 価、 圧縮比、 懲料噴射始 一 OMPI . ― VIPO « めの位置等の因子を一定 に保持 した下で、 ヱ ン ジ ン 燃 焼室に供給する空気中の酸素分 £を変化せ しめ、 ェ ン ジ ン の回転数を 2000 rpm の下で運転 した場合の ェ ン ジ ン の熱効率を測定 した結果を第 1 図に示す。 In carrying out the method of the present invention]), a pre-firing chamber type diesel engine was used, and the cetane number, the compression ratio, and the penalty injection start were OMPI.-VIPO « The engine was operated at 2000 rpm with the oxygen content in the air supplied to the engine combustion chamber varied while keeping the position and other factors constant. Figure 1 shows the results of measuring the thermal efficiency of the engine in this case.
同図 に おいて、 曲線 1 、 2 お よ び 3 は、 それぞれ供 給空気中の酸素分 E 21 vo^ % 、 23 νο^ お よ び 24 νο^ 9δ に した場合の結果で あ る 。  In the figure, curves 1, 2 and 3 are the results when the oxygen content in the supply air is E 21 vo ^%, 23 νο ^ and 24 νο ^ 9δ, respectively.
こ の結果か らわかる よ う に 、 供給空気中の酸素分 が高 く る と 、 熱効率曲線の最高点は高負荷の方に移 行 し、 且つ供給空気中の酸素分 Εが 21 νο^ % の時 に は最高熱効率が 36 % 程度で あった も の が 、 酸素分 £ が 23 マ ο£ % お よ び 24 νο ％ の時 には、 最高熱効率は それぞれ 38 % お よ び 39 % へ と 增力!] した。  As can be seen from this result, as the oxygen content in the supply air increases, the highest point of the thermal efficiency curve shifts toward higher loads, and the oxygen content 供給 in the supply air becomes 21 νο ^%. The maximum thermal efficiency was about 36% at the time of, but the maximum thermal efficiencies increased to 38% and 39% when the oxygen content was 23% ο £% and 24νο%, respectively.增 力!]
こ の理由は 、 デ ィ - ゼ ル エ ン ジ ン に 供給する空気中 の酸素分 Εを高 く する こ と に よ ]? 、 ヱ ン ジ ン 内 に おけ る燃料の着火遅れ らび に ノ ッ キ ン グが減少 したため と 考え られる 。  The reason for this is that the oxygen content of the air supplied to the diesel engine is increased.], The ignition delay of the fuel in the engine and the noise This is probably due to the reduced packing.
ま た、 供給空気中の酸零分 £が 21 ο-0 % お よ び 23 νο^ % の場合に おける上述の現象を指 Ε鎳図で示 した 結果を第 2 図お よ び第 3 図に示す。  Figures 2 and 3 show the results of the above-mentioned phenomena in the case where the acid zero in the supply air is 21 ο-0% and 23 νο ^%. Shown in
これ らの図 よ ]9 デ ィ - ゼル エ ン ジ ン に酸素分 Ε 21 ro^ % の空気を供給 した場合に は、 燃料の着火が遅れ て急激に燃焼す る ため 力の変動が大 と ]) ノ ッ キ ン グをおこ し機械的効率は低下するが、 酸素分圧が 23  When these gases are supplied to the diesel engine with an oxygen content of about 21 ro ^%, the ignition of the fuel is delayed and the fuel fluctuates rapidly. ]) Although knocking occurs, the mechanical efficiency decreases, but the oxygen partial pressure increases.
Ο ?Ι vo^ % の空気を僕給 した場合に は、 ^料の着火が早 く なる と共に燒料の懲焼 も' やかに ¾ 、 力の変動 も 小さ く 、 機械的効率 も 向上する こ と が判 る 。 Ο? Ι If vo ^% of air is supplied to me, the ignition of the material will be faster, the burning of the sinter will be faster, the fluctuation of the power will be smaller, and the mechanical efficiency will be improved. I understand.
ま た、 こ の デ ィ - ゼル エ ン ジ ン の回転数を低回転か ら高回転に わたって運転 した場合 も 、 供給空気中の酸 素分 を増加す る こ と に よ 、 エ ン ジ ン の熱効率は上 述の場合 と 同様に増加 し、 良好 結果を示 した。  In addition, even when the diesel engine is operated from a low rotation speed to a high rotation speed, the oxygen content in the supply air is increased, so that the engine speed is increased. The thermal efficiency of the gas increased as in the case described above, showing good results.
尚、 上述の よ う る効果は他種の ディ - ゼ ル エ ン ジ ン に おいて実施 した場合に おいて も ほ 同様 効果が得 られた。  It should be noted that the above-described effects were almost the same when implemented in another type of diesel engine.
_Ο ΡΙ Λ, V,rIFO _Ο ΡΙ Λ, V, r IFO

Claims

請求の範囲  The scope of the claims
デ ィ - ゼル ェ ン ジ ン を運転する に 当 、 ェ ン ジ ン に 供給する空気中の酸素分圧を 22 τ ο 乃至 35 ο-0 % に保持 して供給する こ と を特徵 とする ディ - ゼル ェ ン ジ ン の 料燃焼方法。  In operating the diesel engine, the oxygen supply in the air supplied to the engine is maintained at a partial pressure of 22 το to 35ο-0%. -How to burn fuel in Zelgen.
PCT/JP1981/000033 1980-05-08 1981-02-20 Method of combusting fuel in a diesel engine WO1981003202A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5998780A JPS56156419A (en) 1980-05-08 1980-05-08 Method of burning fuel of diesel engine
JP80/59987 1980-05-08

Publications (1)

Publication Number Publication Date
WO1981003202A1 true WO1981003202A1 (en) 1981-11-12

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PCT/JP1981/000033 WO1981003202A1 (en) 1980-05-08 1981-02-20 Method of combusting fuel in a diesel engine

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WO (1) WO1981003202A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000005492A1 (en) * 1998-07-24 2000-02-03 Finch International Limited Combustion of fats and oils
US6694928B2 (en) * 1998-07-24 2004-02-24 Otwoempower Corp. Combustion of fats and oils

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03503196A (en) * 1988-02-10 1991-07-18 ザ　ブロークン　ヒル　プロプライエタリィ　カンパニー　リミテッド Oxygen enrichment of fuel

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2121298A5 (en) * 1971-01-07 1972-08-18 Naintre Mario Exhaust gas pollution control system - for combustion engines based on oxygen enrichment of air intake
DE2159837A1 (en) * 1971-12-02 1973-06-07 Messer Griesheim Gmbh METHOD OF OPERATING COMBUSTION MACHINERY, IN PARTICULAR COMBUSTION ENGINES
JPS4943648B1 (en) * 1969-07-11 1974-11-22
JPS5212853B2 (en) * 1972-09-11 1977-04-09

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4943648B1 (en) * 1969-07-11 1974-11-22
FR2121298A5 (en) * 1971-01-07 1972-08-18 Naintre Mario Exhaust gas pollution control system - for combustion engines based on oxygen enrichment of air intake
DE2159837A1 (en) * 1971-12-02 1973-06-07 Messer Griesheim Gmbh METHOD OF OPERATING COMBUSTION MACHINERY, IN PARTICULAR COMBUSTION ENGINES
JPS4875925A (en) * 1971-12-02 1973-10-12
JPS5212853B2 (en) * 1972-09-11 1977-04-09

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000005492A1 (en) * 1998-07-24 2000-02-03 Finch International Limited Combustion of fats and oils
AU751469B2 (en) * 1998-07-24 2002-08-15 Otwoempower Corp Combustion of fats and oils
US6694928B2 (en) * 1998-07-24 2004-02-24 Otwoempower Corp. Combustion of fats and oils

Also Published As

Publication number Publication date
JPS56156419A (en) 1981-12-03

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