EP0203427B1 - Combustible liquid - Google Patents

Combustible liquid Download PDF

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Publication number
EP0203427B1
EP0203427B1 EP86106268A EP86106268A EP0203427B1 EP 0203427 B1 EP0203427 B1 EP 0203427B1 EP 86106268 A EP86106268 A EP 86106268A EP 86106268 A EP86106268 A EP 86106268A EP 0203427 B1 EP0203427 B1 EP 0203427B1
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EP
European Patent Office
Prior art keywords
alcohol
fuel
wood
thickening agent
firelighting
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.)
Expired - Lifetime
Application number
EP86106268A
Other languages
German (de)
French (fr)
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EP0203427A2 (en
EP0203427A3 (en
Inventor
Wilhelm Schuster
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.)
AHK Alkohol Handelskontor GmbH and Co KG
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AHK Alkohol Handelskontor GmbH and Co KG
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Priority to AT86106268T priority Critical patent/ATE56743T1/en
Publication of EP0203427A2 publication Critical patent/EP0203427A2/en
Publication of EP0203427A3 publication Critical patent/EP0203427A3/en
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Publication of EP0203427B1 publication Critical patent/EP0203427B1/en
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Classifications

    • 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
    • C10L7/00—Fuels produced by solidifying fluid fuels
    • C10L7/02—Fuels produced by solidifying fluid fuels liquid fuels
    • C10L7/04—Fuels produced by solidifying fluid fuels liquid fuels alcohol
    • 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
    • C10L11/00—Manufacture of firelighters
    • C10L11/04—Manufacture of firelighters consisting of combustible material

Definitions

  • the invention relates to the use of a fuel liquid made of alcohol and a thickener for igniting coal and wood.
  • Coal and wood lighters for a grill or fireplace are available in various forms, for example as fuel pastes made from methylated spirit and colloidal silica, as fiber plates soaked in wax, as petroleum-based fuel oil or in the form of methylated spirit.
  • US-A-2 613 142 describes a fuel consisting of commercial alcohol, a thickener and water. It is a dimensionally stable gel, using methyl cellulose as a thickening agent, which is known to form a real stable gel. 3 to 50% by weight of methyl cellulose is added, the amount depending on the degree of methylation in order to obtain the required gel-forming viscosity.
  • This patent describes a fuel which retains a shape once it has been obtained and which does not melt during combustion. Such yellow fuels can also be used as firelighters for coal and wood in a grill or a fireplace. However, they have the same disadvantages as known lighters, namely pastes and impregnated fiberboard.
  • the object of the invention is to provide a safe liquid ignition aid which is used to ignite coal and wood and which ensures a flat and continuous wetting and thereby a sufficiently long burning to ignite the coal and wood pieces.
  • This object is achieved by using a fuel liquid mentioned at the outset, which is characterized by a content of 10 to 30% by volume of water, 0.3 to 6% by weight of thickener and the rest of alcohol.
  • the fuel liquid used according to the invention consists of phlegmatized alcohol, which may contain a thickener but is still a liquid. It has been found that the addition of water achieves a certain degree of desensitization of the alcohol and slows down its rate of combustion. By adding a thickening agent, the alcohol to be burned off becomes more viscous, thereby avoiding the "spriting" - that is, the rapid divergence - of the fuel liquid on the pieces of coal and wood to be ignited, as well as on their base, and the spontaneous evaporation and burning that occurs with pure alcohol. This addition also has a desensitizing effect and also saves fuel.
  • the desensitized fuel liquid With 40 to 50 ml of the desensitized fuel liquid, practically any quantity of charcoal can be lit reliably and made to glow.
  • the fuel liquid is expediently produced from substances which are to be described as highly pure, so that it can be assumed that no physiologically harmful cracking substances are produced during combustion which are disadvantageous in terms of smell, taste and / or health. Switching off such side effects is particularly important when used as a grill lighter.
  • the desensitized fuel liquid according to the invention burns practically without residue.
  • the viscosity of the fuel can be adjusted as required by the thickener. In any case, it should still be sufficiently liquid to flow apart on the pieces of coal and wood to be ignited and to wet them essentially uniformly.
  • isopropanol is particularly suitable as a desensitized fuel. Its calorific value with the addition of 15 vol.% Water corresponds to that of commercially available methylated spirit. Hydroxypropyl cellulose and polyethylene oxide are suitable as thickeners with the desired properties, namely largely or completely residue-free burning and avoidance of undesirable disadvantageous cracking substances.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Manufacturing & Machinery (AREA)
  • Liquid Carbonaceous Fuels (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Thermally Insulated Containers For Foods (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

1. Method of use of a firelighting fluid consisting of alcohol and a thickening agent for igniting coal and wood, the fluid being characterized by a content of 10 to 20% by volume water, 0,3 to 6% by weight of the thickening agent and rest alcohol.

Description

Die Erfindung betrifft die Verwendung einer Brennflüssigkeit aus Alkohol und einem Verdickungsmittel zum Entzünden von Kohle und Holz.The invention relates to the use of a fuel liquid made of alcohol and a thickener for igniting coal and wood.

Kohle- und Holzanzünder für einen Grill oder Kamin gibt es in verschiedenen Ausführungsformen, beispielsweise als Brennpasten aus Brennspiritus und kolloidaler Kieselsäure, als mit Wachs getränkte Faserplatten, als Brennöl auf Erdölbasis oder auch in Form von Brennspiritus.Coal and wood lighters for a grill or fireplace are available in various forms, for example as fuel pastes made from methylated spirit and colloidal silica, as fiber plates soaked in wax, as petroleum-based fuel oil or in the form of methylated spirit.

Die US-A-2 613 142 beschreibt einen Brennstoff bestehend aus handelsüblichem Alkohol, einem Verdickungsmittel und Wasser. Es handelt sich hierbei um ein formstabiles Gel, wobei als Verdickungsmittel Methylcellulose verwendet wird, die dafür bekannt ist, daß sie ein echtes stabiles Gel bildet. Es werden 3 bis 50 Gew.-% Methylcellulose zugegeben, wobei die Menge vom Grad der Methylierung abhängt, um die erforderliche gelbildende Viskosität zu erhalten. Beschrieben ist in dieser Patentschrift ein Brennstoff, der eine einmal erhaltene Form beibehält und der während des Verbrennens nicht schmilzt. Solche Gelbrennstoffe können wohl auch als Anzündhilfen für Kohle und Holz in einem Grill oder einem Kamin verwendet werden. Sie haben aber die gleichen Nachteile wie bekannte Anzünder, nämlich Pasten sowie getränkte Faserplatten. Aufgrund der Konsistenz solcher Produkte sind sie auf bestimmte Stellen lokalisiert, wodurch nur die angrenzenden Kohle- und Holzteilchen entzündet werden. Ausserdem verbrennen die meisten dieser mehr oder weniger festen Anzünder nicht rückstandsfrei und es können unerwünschte Crackstoffe entstehen. Das gleiche gilt auch für Brennöle. Brennspiritus als Anzünder benetzt zwar die Kohle- und Holzstücke, aber er verdampft und verbrennt, um eine ausreichende Zündwirkung zu entfalten und zudem besteht die Gefahr des Verpuffens und "Spritens".US-A-2 613 142 describes a fuel consisting of commercial alcohol, a thickener and water. It is a dimensionally stable gel, using methyl cellulose as a thickening agent, which is known to form a real stable gel. 3 to 50% by weight of methyl cellulose is added, the amount depending on the degree of methylation in order to obtain the required gel-forming viscosity. This patent describes a fuel which retains a shape once it has been obtained and which does not melt during combustion. Such yellow fuels can also be used as firelighters for coal and wood in a grill or a fireplace. However, they have the same disadvantages as known lighters, namely pastes and impregnated fiberboard. Due to the consistency of such products, they are localized to certain places, which only ignites the adjacent coal and wood particles. In addition, most of these more or less solid igniters do not burn residue-free and undesirable cracking substances can occur. The same applies to fuel oils. Methylated spirits as igniters wet the coal and wood pieces, but they evaporate and burn to develop a sufficient ignition effect and there is also the risk of deflagration and "fueling".

Aufgabe der Erfindung ist es, eine gefahrlose flüssige Anzündhilfe zu schaffen, die zum Entzünden von Kohle und Holz verwendet wird und die eine flächige und andauernde Benetzung und dadurch ein ausreichend langes Abbrennen sicherstellt, um die Kohle- und Holzstückchen zu entzünden.The object of the invention is to provide a safe liquid ignition aid which is used to ignite coal and wood and which ensures a flat and continuous wetting and thereby a sufficiently long burning to ignite the coal and wood pieces.

Gelöst wird diese Aufgabe durch die Verwendung einer eingangs genannten Brennflüssigkeit, die gekennzeichnet ist durch einen Gehalt an 10 bis 30 Vol-% Wasser, 0,3 bis 6 Gew.-% Verdickungsmittel und Rest Alkohol.This object is achieved by using a fuel liquid mentioned at the outset, which is characterized by a content of 10 to 30% by volume of water, 0.3 to 6% by weight of thickener and the rest of alcohol.

Zweckmässige Weiterbildungen der Brennflüssigkeit sind in den Unteransprüchen gekennzeichnet.Appropriate further developments of the fuel liquid are characterized in the subclaims.

Im Gegensatz zu dem aus der US-A-2 613 142 bekannten formstabilen Brenngel besteht die erfindungsgemäss verwendete Brennflüssigkeit aus phlegmatisiertem Alkohol, der wohl ein Verdickungsmittel enthält, aber immer noch eine Flüssigkeit ist. Es wurde gefunden, dass durch den Wasserzusatz eine gewisse Phlegmatisierung des Alkohols erreicht und dessen Verbrennungsgeschwindigkeit verlangsamt wird. Durch Zusatz eines Verdickungsmittels wird der abzubrennende Alkohol viskoser, wodurch das "Spriten" - also das schnelle Auseinanderlaufen - der Brennflüssigkeit auf den zu entzündenden Kohle-und Holzstücken sowie auf deren Unterlage und das beim reinen Alkohol auftretende spontane Verdampfen und Abbrennen vermieden wird. Auch dieser Zusatz wirkt somit phlegmatisierend und ausserdem brennflüssigkeitssparend. Mit 40 bis 50 ml der phlegmatisierten Brennflüssigkeit kann praktisch jede Grillkohlenmenge verlässlich angezündet und zum Glühen gebracht werden. Zweckmässig wird die Brennflüssigkeit aus als hochrein zu bezeichnenden Stoffen hergestellt, so dass davon ausgegangen werden kann, dass beim Verbrennen keine physiologisch schädlichen Crackstoffe entstehen, die geruchlich, geschmacklich und/oder gesundheitlich nachteilig sind. Das Ausschalten solcher Nebenerscheinungen ist insbesondere bei Verwendung als Grillanzünder wesentlich. Die erfindungsgemäss phlegmatisierte Brennflüssigkeit verbrennt praktisch rückstandsfrei. Durch das Verdickungsmittel kann die Viskosität der Brennflüssigkeit nach Bedarf eingestellt werden. Sie soll in jedem Fall noch ausreichend flüssig sein, um auf den anzuzündenden Kohle- und Holzstücken auseinanderzufliessen und diese im wesentlichen gleichmässig zu benetzen. Auf diese Weise ist sichergestellt, dass die Brennflüssigkeit zwischen den Kohle- und Holzteilchen verhältnismässig langsam abbrennt und diese entzündet werden. Durch das beim Abbrennen verdampfende Wasser wird eine ständige Kühlung der brennenden Masse bewirkt, die dadurch langsamer verdampft und demzufolge langsamer verbrennt. Es wurde beobachtet, dass die phlegmatisierte Brennflüssigkeit mit kleineren Flammen brennt als reiner Alkohol. Die Viskosität bevorzugter Zubereitungen wird so gewählt, dass diese durch Ausgabeöffnungen von mit Spezialverschlüssen, beispielsweise Sicherheitsverschlüssen versehenen Flaschen mit flexiblen, komprimierbaren Wandungen ausgegeben werden können. Auf diese Weise lässt sich die Ausgabemenge vom Verbraucher leicht dosieren.In contrast to the dimensionally stable fuel gel known from US-A-2 613 142, the fuel liquid used according to the invention consists of phlegmatized alcohol, which may contain a thickener but is still a liquid. It has been found that the addition of water achieves a certain degree of desensitization of the alcohol and slows down its rate of combustion. By adding a thickening agent, the alcohol to be burned off becomes more viscous, thereby avoiding the "spriting" - that is, the rapid divergence - of the fuel liquid on the pieces of coal and wood to be ignited, as well as on their base, and the spontaneous evaporation and burning that occurs with pure alcohol. This addition also has a desensitizing effect and also saves fuel. With 40 to 50 ml of the desensitized fuel liquid, practically any quantity of charcoal can be lit reliably and made to glow. The fuel liquid is expediently produced from substances which are to be described as highly pure, so that it can be assumed that no physiologically harmful cracking substances are produced during combustion which are disadvantageous in terms of smell, taste and / or health. Switching off such side effects is particularly important when used as a grill lighter. The desensitized fuel liquid according to the invention burns practically without residue. The viscosity of the fuel can be adjusted as required by the thickener. In any case, it should still be sufficiently liquid to flow apart on the pieces of coal and wood to be ignited and to wet them essentially uniformly. This ensures that the fuel liquid between the coal and wood particles burns off relatively slowly and ignites them. Due to the water evaporating during the burning process, the burning mass is constantly cooled, which evaporates more slowly and consequently burns more slowly. It has been observed that the desensitized burning liquid burns with smaller flames than pure alcohol. The viscosity of preferred preparations is chosen so that they can be dispensed through dispensing openings of bottles with special closures, for example safety closures, with flexible, compressible walls. In this way, the amount dispensed can be easily metered by the consumer.

Es wurde gefunden, dass sich Isopropanol ganz besonders gut als phlegmatisierter Brennstoff eignet. Sein Brennwert bei einem Zusatz von 15 Vol.-% Wasser entspricht demjenigen von handelsüblichem Brennspiritus. Als Verdickungsmittel mit den gewünschten Eigenschaften, nämlich weitgehend oder vollständig rückstandsfreies Abbrennen und Vermeiden unerwünschter nachteiliger Crackstoffe bieten sich Hydroxypropylcellulose und Polyethylenoxid an.It has been found that isopropanol is particularly suitable as a desensitized fuel. Its calorific value with the addition of 15 vol.% Water corresponds to that of commercially available methylated spirit. Hydroxypropyl cellulose and polyethylene oxide are suitable as thickeners with the desired properties, namely largely or completely residue-free burning and avoidance of undesirable disadvantageous cracking substances.

Folgende Versuche veranschaulichen die vorteilhaften Ergebnisse, die mit phlegmatisiertem Alkohol, insbesondere Isopropanol, erzielt werden.The following experiments illustrate the advantageous results that can be achieved with phlegmatized alcohol, in particular isopropanol.

Figure imgb0001
Figure imgb0001
Figure imgb0002
Figure imgb0002
Figure imgb0003
Figure imgb0003

Die Versuche zeigen, dass auch phlegmatisierter Brennspiritus weitaus weniger verläuft und mehr als doppelt so lange brennt als reiner Brennspiritus.The experiments show that even phlegmatized methylated alcohol runs far less and burns more than twice as long as pure methylated spirit.

Ausgezeichnete Ergebnisse werden mit Isopropanol erzielt, wobei optimale Ergebnisse mit einem Wasserzusatz von 10 bis 15 % Wasser und 0,40 bis 0,50 % Hydroxypropylcellulose zu beobachten sind. Auch ein Gemisch aus Hydroxypropylcellulose und Polyethylenoxid ergibt sehr gute Werte.Excellent results are achieved with isopropanol, with optimal results being observed with a water addition of 10 to 15% water and 0.40 to 0.50% hydroxypropyl cellulose. A mixture of hydroxypropyl cellulose and polyethylene oxide also gives very good values.

Claims (4)

1. Method of use of a firelighting fluid consisting of alcohol and a thickening agent for igniting coal and wood, the fluid being characterized by a content of 10 to 20% by volume water, 0,3 to 6% by weight of the thickening agent and rest alcohol.
2. Method of use of a firelighting fluid according to claim 1, characterized in that the thickening agent is a hydroxypropylcellulose and/or non-ionic polyethyleneoxide.
3. Method of use of a firelighting fluid according to claim 2, characterized in that the hydroxypropylcellulose and/or the polyethyleneoxide, added in an amount from 0,4 to 0,5 by weight, possess a viscosity of more than 200 cps.
4. Method of use of a firelighting fluid according to claim 1, characterized in that the alcohol is isopropanol.
EP86106268A 1985-05-25 1986-05-07 Combustible liquid Expired - Lifetime EP0203427B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86106268T ATE56743T1 (en) 1985-05-25 1986-05-07 FUEL.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853518921 DE3518921A1 (en) 1985-05-25 1985-05-25 LIQUID
DE3518921 1985-05-25

Publications (3)

Publication Number Publication Date
EP0203427A2 EP0203427A2 (en) 1986-12-03
EP0203427A3 EP0203427A3 (en) 1988-02-24
EP0203427B1 true EP0203427B1 (en) 1990-09-19

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EP86106268A Expired - Lifetime EP0203427B1 (en) 1985-05-25 1986-05-07 Combustible liquid

Country Status (4)

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US (1) US5053057A (en)
EP (1) EP0203427B1 (en)
AT (1) ATE56743T1 (en)
DE (2) DE3518921A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3518921A1 (en) * 1985-05-25 1986-11-27 AHK Alkohol Handelskontor GmbH & Co KG, 4780 Lippstadt LIQUID
US5990057A (en) * 1998-07-15 1999-11-23 Sharp; Barbara W. Liquid fire starter composition
US7101928B1 (en) * 1999-09-17 2006-09-05 Landec Corporation Polymeric thickeners for oil-containing compositions

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US7667A (en) * 1850-09-24 Improvement in burning-fluids
US1019746A (en) * 1911-05-31 1912-03-12 Benjamin Appel Fuel composition.
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US2012945A (en) * 1932-04-16 1935-09-03 Du Pont Motor fuel
US2613142A (en) * 1948-05-11 1952-10-07 Sol B Wiczer Alcohol fuel gel
US3291579A (en) * 1963-06-06 1966-12-13 Chevron Res Process for gelling alcohols
US3899439A (en) * 1973-03-12 1975-08-12 Hercules Inc Method of preparing aqueous dispersions of hydroxypropyl cellulose
US3964380A (en) * 1975-05-16 1976-06-22 Mobil Oil Corporation Apparatus for securing a sheet of material into a roll
US4099930A (en) * 1977-04-01 1978-07-11 Natural Resources Guardianship International, Inc. Catalytic fuel additive for gasoline and diesel engines
US4242098A (en) * 1978-07-03 1980-12-30 Union Carbide Corporation Transport of aqueous coal slurries
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US4231756A (en) * 1979-05-11 1980-11-04 King Samuel B Gasoline and petroleum fuel supplement
JPS5827315B2 (en) * 1980-02-19 1983-06-08 友康 則武 Combustion aid for oil burner fuel
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DE3518921A1 (en) * 1985-05-25 1986-11-27 AHK Alkohol Handelskontor GmbH & Co KG, 4780 Lippstadt LIQUID

Also Published As

Publication number Publication date
US5053057A (en) 1991-10-01
EP0203427A2 (en) 1986-12-03
DE3518921A1 (en) 1986-11-27
EP0203427A3 (en) 1988-02-24
ATE56743T1 (en) 1990-10-15
DE3674245D1 (en) 1990-10-25

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