JP2006348923A - Method for combined use of fuel for internal combustion engine and continuous combustion engine - Google Patents

Method for combined use of fuel for internal combustion engine and continuous combustion engine Download PDF

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Publication number
JP2006348923A
JP2006348923A JP2005203601A JP2005203601A JP2006348923A JP 2006348923 A JP2006348923 A JP 2006348923A JP 2005203601 A JP2005203601 A JP 2005203601A JP 2005203601 A JP2005203601 A JP 2005203601A JP 2006348923 A JP2006348923 A JP 2006348923A
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combustion engine
fuel
catalyst
alcohol
gas
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JP2005203601A
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Japanese (ja)
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Kazuyuki Omachi
一之 大町
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    • 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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Abstract

<P>PROBLEM TO BE SOLVED: To increase heat efficiency by recovering heat from exhaust gases by the endothermic effect of gasification utilizing a catalyst. <P>SOLUTION: An alcohol 5 is brought into contact with the catalyst 3 to decompose it into hydrogen gas and carbon dioxide gas 6. These gases are fed into a combustion chamber 1 through an exclusive route so that the supplied amounts of the gases and a fossil fuel can be controlled according to an output. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、内燃機関（ガソリン・ディーゼル）と連続燃焼エンジン（ガスタービン・スターリング・ランキンサイクル）の燃焼室で、従来から使用されている石油類・天然ガス・石炭ガス等の化石燃料と、バイオマスから生成可能なメタノール・エタノール等のアルコールを触媒を使ってガス化し、別経路の供給で出力に応じてその供給量を調節し、併用して利用する方法に関する。  The present invention is a combustion chamber of an internal combustion engine (gasoline / diesel) and a continuous combustion engine (gas turbine, Stirling, Rankine cycle). The present invention relates to a method of gasifying alcohol such as methanol and ethanol that can be produced from a catalyst using a catalyst, adjusting the supply amount according to the output in a separate path supply, and using it in combination.

従来アルコールは、ガソリン等の補助燃料として混合され、主にエタノールが使用されているが、アルコールの気化熱の大きさにより吸気の予熱の必要や冬季の始動難がある。又、メタノールは腐蝕性が大きく混合燃料としてあまり利用されていない。  Conventionally, alcohol is mixed as an auxiliary fuel such as gasoline, and ethanol is mainly used. However, there is a need for preheating of intake air and difficulty in starting in winter due to the magnitude of heat of vaporization of alcohol. Also, methanol is highly corrosive and is not widely used as a mixed fuel.

発明が解決しようとする課題Problems to be solved by the invention

広くバイオマスから生成可能なアルコールの利用を図ることは、化石燃料の使用量を少なくして二酸化炭素の大気への増加を抑制するものである。だが、アルコールをガス化した燃料のみでは燃焼及び燃料電池ともに始動性・出力の課題があり、燃料電池では耐久性・価格等での制約が現状では大きい。  Widely using alcohol that can be generated from biomass reduces the amount of fossil fuel used and suppresses the increase of carbon dioxide into the atmosphere. However, only fuel that gasifies alcohol has problems of startability and output for both combustion and fuel cells, and fuel cells are currently limited in terms of durability and price.

又、アルコールを直接燃焼すると排気中に有害なアセトアルデヒド・蟻酸等を出し気化熱の問題が大きい。メタノール燃料電池では、メタノールのバイパス現象もあり排気性状・効率の面で制約がある。  Further, when alcohol is directly combusted, harmful acetaldehyde, formic acid, etc. are produced in the exhaust gas, and the problem of heat of vaporization is great. Methanol fuel cells have limitations in terms of exhaust properties and efficiency due to the methanol bypass phenomenon.

課題を解決するための手段Means for solving the problem

上記課題を解決するために、アルコールを熱交換器で排気より熱を回収し、触媒に接触させ分解した水素ガスと一酸化炭素ガスを、燃焼室へ独自の経路で導入し、出力に応じて化石燃料との供給量を調節して併用し、出力及び始動性の課題を解決する。  In order to solve the above-mentioned problems, alcohol recovers heat from the exhaust with a heat exchanger, introduces hydrogen gas and carbon monoxide gas decomposed by contact with the catalyst into the combustion chamber through a unique path, and according to the output The supply amount with fossil fuel is adjusted and used together to solve the problems of output and startability.

又、アルコールをガス化して燃焼すると希薄燃焼が可能となり、排気性状が良くなり、気化熱・腐蝕性の課題を解決する。  Further, when the alcohol is gasified and burned, lean combustion becomes possible, the exhaust properties are improved, and the problems of vaporization heat and corrosion are solved.

それに、触媒を利用したガス化の吸熱効果により、排気より熱を回収し熱効率の向上が図れる。  In addition, due to the endothermic effect of gasification using a catalyst, heat can be recovered from the exhaust and thermal efficiency can be improved.

燃料等の経路を示す経路図である。It is a route diagram showing routes, such as fuel.

符号の説明Explanation of symbols

１ 燃料室
２ 化石燃料
３ 触媒
４ 熱交換器
５ アルコール
６ 水素ガス・一酸化炭素ガス
７ 空気
８ 出力
９ 排気1 Fuel Chamber 2 Fossil Fuel 3 Catalyst 4 Heat Exchanger 5 Alcohol 6 Hydrogen Gas / Carbon Monoxide Gas 7 Air 8 Output 9 Exhaust

Claims (1)

アルコール（５）を触媒に接触させ、分解した水素ガス・一酸化炭素ガス（６）と化石燃料（２）と空気（７）とを、燃焼室（１）へ出力（８）に応じて別経路で供給し、排気（９）を熱交換器（４）で、アルコール（５）をガスに分解する触媒（３）の作用に利用し、その吸熱効果で熱効率の向上を図り、二酸化炭素の大気への放出量を抑制する方法。  The alcohol (5) is brought into contact with the catalyst, and the decomposed hydrogen gas / carbon monoxide gas (6), fossil fuel (2) and air (7) are separated into the combustion chamber (1) according to the output (8). The exhaust gas (9) is used for the action of the catalyst (3) that decomposes the alcohol (5) into gas by the heat exchanger (4), and the heat absorption effect improves the thermal efficiency. A method to reduce the amount released to the atmosphere.
JP2005203601A 2005-06-15 2005-06-15 Method for combined use of fuel for internal combustion engine and continuous combustion engine Pending JP2006348923A (en)

Priority Applications (1)

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JP2005203601A JP2006348923A (en) 2005-06-15 2005-06-15 Method for combined use of fuel for internal combustion engine and continuous combustion engine

Applications Claiming Priority (1)

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JP2005203601A JP2006348923A (en) 2005-06-15 2005-06-15 Method for combined use of fuel for internal combustion engine and continuous combustion engine

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JP2006348923A true JP2006348923A (en) 2006-12-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114955994A (en) * 2022-06-14 2022-08-30 中南大学 Hydrogen production device and system by cracking alcohol fuel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114955994A (en) * 2022-06-14 2022-08-30 中南大学 Hydrogen production device and system by cracking alcohol fuel

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