KR101978939B1 - Composition of solid alcohol fuel and preparing method thereof - Google Patents

Abstract

The present invention relates to solid alcohol fuel compositions and processes for their preparation. The solid alcohol fuel composition exhibits excellent heat-generating efficiency and stability, has an advantage of quick ignition time and easy processing.

Description

FIELD OF THE INVENTION [0001] The present invention relates to a solid alcohol fuel composition and a method for producing the solid alcohol fuel composition,

The present invention relates to solid alcohol fuel compositions and processes for their preparation. The solid alcohol fuel composition exhibits excellent heat-generating efficiency and stability, has an advantage of quick ignition time and easy processing.

Conventional alcohol fuels have various problems such as generation of toxic gas, lack of stability during storage, short duration, and risk of fire due to careless handling due to liquefaction during combustion. In order to overcome the drawbacks of these liquid alcohol fuels, alcohol fuels in gel or sol form have been developed.

However, the gel or sol-type alcohol fuel did not significantly improve the storage stability. In addition, the gel or sol-type alcohol fuel contained methanol having a low calorie content as a main alcohol, and thus the calorie was insufficient. In order to compensate for the insufficient calorific value, attempts have been made to add an alcohol having two or more carbon atoms, but in this case, gel or sol is not formed well. Furthermore, the thus formed gel or sol has a problem of being destroyed at room temperature (Korean Patent No. 10-1315993).

It is an object of the present invention to provide a solid alcohol fuel composition which exhibits excellent heat generation efficiency and stability and is easy to process, and a method for producing the same.

However, the problems to be solved by the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

The first aspect of the present application relates to a mixed fuel comprising a coconut shell and charcoal; And a solid alcohol fuel comprising an alcohol, a glycerine ester fatty acid, a dispersant, and water.

According to a second aspect of the present invention, there is provided a method for preparing a liquid composition, comprising the steps of: mixing an alcohol and a glycerol ester fatty acid to form a first solution, heating the first solution, adding a dispersant and water to the heated first solution to form a second solution Mixing the second solution with a mixed fuel containing coconut shells and charcoal, and curing the mixed fuel, and a method for producing the solid alcohol fuel composition.

The solid alcohol fuel composition according to the present invention exhibits excellent heat-generating efficiency and stability, and has an advantage of easy processing. Specifically, the heating value is larger and the heating time is longer than when the solid alcohol fuel alone is used. Also, the ignition time can be significantly shortened in comparison with the case of using only mixed fuel containing coconut angle and charcoal.

The solid alcohol fuel composition according to the present invention significantly reduces the smoke and odor generated when fuels such as fossil fuels such as coal and petroleum are burned, generates less toxic substances, and can function as a next generation environmentally friendly fuel have.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a graph showing the temperature and time of heat generation of the solid alcohol fuel composition according to Example 1 of the present application. FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. It should be understood, however, that the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the drawings, the same reference numbers are used throughout the specification to refer to the same or like parts.

Throughout this specification, when a part is referred to as being "connected" to another part, it is not limited to a case where it is "directly connected" but also includes the case where it is "electrically connected" do.

Throughout this specification, when a member is " on " another member, it includes not only when the member is in contact with the other member, but also when there is another member between the two members.

Throughout this specification, when an element is referred to as " including " an element, it is understood that the element may include other elements as well, without departing from the other elements unless specifically stated otherwise. The terms " about ", " substantially ", etc. used to the extent that they are used throughout the specification are intended to be taken to mean the approximation of the manufacturing and material tolerances inherent in the stated sense, Accurate or absolute numbers are used to help prevent unauthorized exploitation by unauthorized intruders of the referenced disclosure. The word " step (or step) " or " step " used to the extent that it is used throughout the specification does not mean " step for.

Throughout this specification, the term " combination (s) thereof " included in the expression of the machine form means a mixture or combination of one or more elements selected from the group consisting of the constituents described in the expression of the form of a marker, Quot; means at least one selected from the group consisting of the above-mentioned elements.

Throughout this specification, the description of "A and / or B" means "A or B, or A and B".

According to a first aspect of the present invention, there is provided a mixed fuel comprising a coconut angle and charcoal; And a solid alcohol fuel comprising an alcohol, a glycerin ester fatty acid, a dispersant, and water.

Mixed fuel: Includes coconut angle and charcoal.

In one embodiment of the present invention, the mixed fuel includes coconut angle and charcoal, and the heating efficiency and the combustion time can be increased in the combustion process of the solid alcohol fuel.

In one embodiment of the invention, the coconut angle may comprise the shell of coconut fruit itself or a workpiece thereof.

In one embodiment of the present application, the blended fuel comprises not more than about 12 parts by weight of ash, from about 30 parts by weight to about 31 parts by weight of volatile matter, not more than about 8 parts by weight of moisture, not less than about 50 parts by weight of fixed carbon, 0.5 or less, and may include proven efficiency and value as fuel with low smoke and odor during combustion.

In one embodiment of the invention, the blended fuel may be included in the solid alcohol fuel composition as about 28 parts by weight to about 32 parts by weight. If the blended fuel is included in the solid alcohol fuel composition at less than about 28 parts by weight, the burning time may not be sufficiently extended, and if the blended fuel is included in the solid alcohol fuel composition at about 32 parts by weight or more, The mixed fuel may not be smoothly mixed with the solid alcohol fuel, but is not limited thereto.

In one embodiment of the present application, the blended fuel may include coconut angle and charcoal in which coconut angle: char is mixed in a ratio of from about 2.5 to about 3.2: about 0.8 to about 1.5. For example, the blended fuel may include coconut angle and charcoal mixed at a ratio of coconut angle: char of about 21 to about 24: about 7 to about 8.

In one embodiment of the invention, the coconut angle may comprise a coconut shell, the coconut shell being the shell of the coconut fruit.

In one embodiment of the present invention, the charcoal is produced by incomplete combustion of an oak, and methods for producing known charcoal and charcoal can be used without limitation. For example, the oak species may include oak, oak, water oak, oak, and the like.

Alcohol

In one embodiment of the invention, the alcohol is the main source of heat of the solid alcohol fuel.

In one embodiment of the invention, the alcohol may comprise an alcohol having up to about 5 carbon atoms. The alcohol may include, for example, selected from the group consisting of monohydric alcohols, divalent alcohols, trihydric alcohols, and combinations of these functional groups.

In one embodiment of the invention, when the alcohol comprises a combination of an alkoxy alcohol and an alkylene glycol, the flash point is relatively high, the combustibility is good, and the reduction in storage is also reduced. For example, if the alcohol comprises a combination of ethoxyethanol having a flash point of 44 DEG C and a boiling point of 135 DEG C and a propylene glycol having a boiling point of 99 DEG C and a boiling point of 187 DEG C, Since it shows a flash point, the stability at room temperature is excellent.

In one embodiment of the invention, the alcohol may be included in the solid alcohol fuel composition as about 55 parts by weight to about 60 parts by weight. When the amount of the alcohol is less than about 55 parts by weight, the solid alcohol fuel may be insufficient in heat, soot and smoke may be generated, and when the amount of the alcohol is more than about 60 parts by weight, May occur.

Glycerin ester fatty acid

In one embodiment of the invention, the glycerol ester fatty acid refers to a polymer formed by the esterification reaction of glycerin with a fatty acid.

In one embodiment of the invention, the glycerol ester fatty acid can solidify the alcohol.

The glycerol ester fatty acids may include vegetable glycerin ester fatty acids derived from vegetable fatty acids and animal glycerin ester fatty acids derived from animal fatty acids. Here, when a vegetable glycerin ester fatty acid derived from a vegetable fatty acid is used, it is more preferable that the solid alcohol fuel composition is less odor generated during combustion and the color of the solid alcohol fuel composition is relatively easily maintained.

The fatty acid may, for example, include, but is not limited to, a linear or branched saturated or unsaturated fatty acid having from about 6 to about 25 carbon atoms.

In one embodiment of the invention, the glycerol ester fatty acid may be included in the solid alcohol fuel composition as about 2 parts by weight to about 4 parts by weight. When the glycerol ester fatty acid is less than about 2 parts by weight, the alcohol may not be solidified, and when the glycerol ester fatty acid is more than about 4 parts by weight, impurities are generated during combustion of the solid alcohol fuel composition There may be a problem.

Dispersant

In one embodiment of the present invention, the dispersant may be independently dispersed in the alcohol and the glycerol ester fatty acid during the production of the solid alcohol fuel composition, and may be mixed well with each other.

In one embodiment of the invention, the dispersant may comprise an alkaline compound. The alkaline compound includes, for example, inorganic alkaline compounds such as sodium hydroxide, sodium carbonate, potassium hydroxide and potassium carbonate; And organic alkaline compounds such as ammonia water, but are not limited thereto.

In one embodiment of the invention, the dispersant may be included in the solid alcohol fuel composition as from about 0.4 to about 0.5 parts by weight. When the dispersing agent is contained in an amount of less than about 0.4 part by weight, there may arise a problem that the shape of the solid fuel is deformed. When the dispersing agent is contained in an amount of more than about 0.5 part by weight, heat of the solid alcohol fuel is insufficient, Lt; / RTI >

According to a second aspect of the present invention, there is provided a method for preparing a liquid composition, comprising the steps of: mixing an alcohol and a glycerol ester fatty acid to form a first solution, heating the first solution, adding a dispersant and water to the heated first solution to form a second solution Mixing the second solution with a blended fuel containing coconut shell and charcoal, and curing the mixture.

Although the description of the method of manufacturing the solid alcohol fuel composition according to the second aspect of the present invention is omitted from the detailed description of the parts overlapping with the first aspect of the present application, The second aspect of the present invention can be applied equally.

In one embodiment of the invention, the alcohol and the glycerol ester fatty acid may be mixed into the container while stirring to form the first solution. After the first solution is completely dissolved by heating, a dispersing agent and water may be added to the first solution to form a second solution, which is preferably added while stirring. Thereafter, the coconut angle and charcoal are put into a container, the second solution is put into a container, and mixed and cured to prepare the solid alcohol fuel composition.

In one embodiment of the present invention, stirring at the time of forming the first solution is preferably performed at about 40 rpm to about 50 rpm for about 50 minutes to about 60 minutes. At the time of forming the second solution, stirring is preferably performed at about 40 rpm to about 50 rpm for about 40 minutes to about 50 minutes.

In one embodiment of the invention, it is preferred to heat the first solution at about 50 ° C to 60 ° C until the first solution is completely dissolved.

In one embodiment of the invention, the second solution can be cured by standing at about 10 캜 to about 20 캜 for about 20 minutes to about 30 minutes.

Mixed fuel: Includes coconut angle and charcoal.

In one embodiment of the present invention, the mixed fuel includes coconut angle and charcoal, and the heating efficiency and the combustion time can be increased in the combustion process of the solid alcohol fuel.

In one embodiment of the invention, the coconut angle may comprise the shell of coconut fruit itself or a workpiece thereof.

In one embodiment of the present application, the blended fuel comprises not more than about 12 parts by weight of ash, from about 30 parts by weight to about 31 parts by weight of volatile matter, not more than about 8 parts by weight of moisture, not less than about 50 parts by weight of fixed carbon, 0.5 or less, and may include proven efficiency and value as fuel with low smoke and odor during combustion.

In one embodiment of the invention, the blended fuel may be included in the solid alcohol fuel composition as about 28 parts by weight to about 32 parts by weight. If the blended fuel is included in the solid alcohol fuel composition at less than about 28 parts by weight, the burning time may not be sufficiently extended, and if the blended fuel is included in the solid alcohol fuel composition at about 32 parts by weight or more, The mixed fuel may not be smoothly mixed with the solid alcohol fuel, but is not limited thereto.

In one embodiment of the present application, the blended fuel may include coconut angle and charcoal in which coconut angle: char is mixed in a ratio of from about 2.5 to about 3.2: about 0.8 to about 1.5. For example, the blended fuel may include coconut angle and charcoal mixed at a ratio of coconut angle: char of about 21 to about 24: about 7 to about 8.

In one embodiment of the invention, the coconut angle may comprise a coconut shell, the coconut shell being the shell of the coconut fruit.

In one embodiment of the present invention, the charcoal is produced by incomplete combustion of an oak, and methods for producing known charcoal and charcoal can be used without limitation. For example, the oak species may include oak, oak, water oak, oak, and the like.

Alcohol

In one embodiment of the invention, the alcohol is the main source of heat of the solid alcohol fuel.

In one embodiment of the invention, the alcohol may comprise an alcohol having up to about 5 carbon atoms. The alcohol may include, for example, selected from the group consisting of monohydric alcohols, divalent alcohols, trihydric alcohols, and combinations of these functional groups.

In one embodiment of the invention, when the alcohol comprises a combination of an alkoxy alcohol and an alkylene glycol, the flash point is relatively high, the combustibility is good, and the reduction in storage is also reduced. For example, if the alcohol comprises a combination of ethoxyethanol having a flash point of 44 DEG C and a boiling point of 135 DEG C and a propylene glycol having a boiling point of 99 DEG C and a boiling point of 187 DEG C, Since it shows a flash point, the stability at room temperature is excellent.

In one embodiment of the invention, the alcohol may be included in the solid alcohol fuel composition as about 55 parts by weight to about 60 parts by weight. When the amount of the alcohol is less than about 55 parts by weight, the solid alcohol fuel may be insufficient in heat, soot and smoke may be generated, and when the amount of the alcohol is more than about 60 parts by weight, May occur.

Glycerin ester fatty acid

In one embodiment of the invention, the glycerol ester fatty acid refers to a polymer formed by the esterification reaction of glycerin with a fatty acid.

In one embodiment of the invention, the glycerol ester fatty acid can solidify the alcohol.

The glycerol ester fatty acids may include vegetable glycerin ester fatty acids derived from vegetable fatty acids and animal glycerin ester fatty acids derived from animal fatty acids. Here, when a vegetable glycerin ester fatty acid derived from a vegetable fatty acid is used, it is more preferable that the solid alcohol fuel composition is less odor generated during combustion and the color of the solid alcohol fuel composition is relatively easily maintained.

The fatty acid may, for example, include, but is not limited to, a linear or branched saturated or unsaturated fatty acid having from about 6 to about 25 carbon atoms.

In one embodiment of the invention, the glycerol ester fatty acid may be included in the solid alcohol fuel composition as about 2 parts by weight to about 4 parts by weight. When the glycerol ester fatty acid is less than about 2 parts by weight, the alcohol may not be solidified, and when the glycerol ester fatty acid is more than about 4 parts by weight, impurities are generated during combustion of the solid alcohol fuel composition There may be a problem.

Dispersant

In one embodiment of the present invention, the dispersant may be independently dispersed in the alcohol and the glycerol ester fatty acid during the production of the solid alcohol fuel composition, and may be mixed well with each other.

In one embodiment of the invention, the dispersant may comprise an alkaline compound. The alkaline compound includes, for example, inorganic alkaline compounds such as sodium hydroxide, sodium carbonate, potassium hydroxide and potassium carbonate; And organic alkaline compounds such as ammonia water, but are not limited thereto.

In one embodiment of the invention, the dispersant may be included in the solid alcohol fuel composition as from about 0.4 to about 0.5 parts by weight. When the dispersing agent is contained in an amount of less than about 0.4 part by weight, there may arise a problem that the shape of the solid fuel is deformed. When the dispersing agent is contained in an amount of more than about 0.5 part by weight, heat of the solid alcohol fuel is insufficient, Lt; / RTI >

Hereinafter, the effects of the solid alcohol fuel composition according to the present invention will be specifically confirmed through Examples. However, the present invention is not limited by the following examples.

< Example >

One. Example  1 and Comparative Example  Preparation of solid alcohol fuel compositions 1 to 3

[ Example  1] Production of solid alcohol fuel composition

The solid alcohol fuel was prepared in the following weight parts as shown in Table 1 below.

First, the alcohol and the glycerol ester fatty acid were mixed with stirring at 40 rpm to 50 rpm for 50 minutes to 60 minutes to form a first solution. Next, the first solution was heated at 50 캜 to 60 캜 until the first solution was completely dissolved. Then, a dispersant and water were added to the first solution, and the second solution was formed while stirring at 40 rpm to 50 rpm for 40 to 50 minutes. Thereafter, the second solution was mixed with a mixed fuel (coconut charcoal) and allowed to stand at 10 ° C to 20 ° C for 20 minutes to 30 minutes to cure the solid alcohol fuel.

[ Comparative Example  1 to Comparative Example  3] Preparation of solid alcohol fuel composition

A solid alcohol fuel was prepared with the weight parts as shown in Table 1 below, and a solid alcohol fuel was prepared in the same manner as in Example 1, except for the weight parts.

<Table 1> Example  1 and Comparative Example  1 to Comparative Example  3 Components of each solid alcohol fuel composition (unit: Weight portion )

Alcohol: methanol

Glycerin ester fatty acid: vegetable glycerin ester fatty acid

Dispersant: sodium hydroxide

2. Example  1 and Comparative Example  1 to Comparative Example  3 Calorific value and heat temperature measurement

The calorific value and the exothermic temperature of the above Examples and Comparative Examples were measured and shown in Table 2 below. These calorific values and heating temperatures can be obtained from commercial sources such as ASA-671-5 (manufactured by Asahi Kasei) and GM1150A (manufactured by Wilcyon).

<Table 2>

○: The solid alcohol was not turned off until burned, and the calorific value was satisfactory

?: The solid alcohol is not turned off until the burnout, but the amount of heat generated is insufficient

X: Off before burning of solid alcohol

As shown in Table 2, Example 1 exhibited excellent calorific value and exothermic temperature. About 12 kg of the solid alcohol fuel composition according to Example 1 of the present application was combusted, and the amount of ashes remaining after combustion was as low as about 700 g. In addition, there was no smoke or smell during the combustion and no eye irritation. Specifically, the results of measuring the heat generation temperature for 15 hours from 9:00 to 24:00 are as shown in Table 3 and FIG. 1 below:

 <Table 3>

On the other hand, in Comparative Example 1 in which the content of alcohol was small, the calorific value was insufficient. In Comparative Example 2 in which the dispersant was not added, the alcohol as the main emission source could not be uniformly dispersed in the solid alcohol fuel and was turned off before the solid alcohol was burned. Comparative Example 3 in which no glycerol ester fatty acid was added failed to sufficiently solidify the alcohol as the main flavor source and was turned off before the solid alcohol was fired. Further, Comparative Example 3 had a bad smell when burned.

3. Comparison of calorific value when the solid alcohol fuel is burned and when the solid alcohol fuel composition is burned

When the solid alcohol fuel was burned, the high calorific value was 4,120 kcal / kg and the low calorific value was 3,390 kcal / kg. When the solid alcohol fuel composition of the present invention was burned, it was confirmed that the calorific value and the performance of the solid alcohol fuel composition of the present invention were better because the high calorific value was 4,410 kcal / kg and the low calorific value was 3,710 kcal / kg.

It will be understood by those of ordinary skill in the art that the foregoing description of the embodiments is for illustrative purposes and that those skilled in the art can easily modify the invention without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.

The scope of the present invention is defined by the appended claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included within the scope of the present invention.

Claims (15)

A mixed fuel comprising coconut angle and charcoal; And
Solid alcohol fuels, including alcohols, glycerol ester fatty acids, dispersants, and water
A solid alcohol fuel composition comprising:
The coconut angle includes the shell of coconut fruit itself or a workpiece thereof,
28 to 32 parts by weight of the mixed fuel, and
From 55 parts by weight to 60 parts by weight of said alcohol, from 2 parts by weight to 4 parts by weight of said glycerol ester fatty acid, from 0.4 part by weight to 0.5 parts by weight of said dispersing agent, and from 6 parts by weight to 8 parts by weight of said water.
Solid alcohol fuel composition.
delete delete The method according to claim 1,
Wherein the shell of the coconut fruit comprises a coconut shell (Coconut Shell).
The method according to claim 1,
Wherein the alcohol comprises an alcohol having 5 or less carbon atoms.
The method according to claim 1,
Wherein the glycerin ester fatty acid comprises a vegetable glycerin fatty acid ester.
The method according to claim 1,
Wherein the dispersant comprises an alkaline compound.
Mixing the alcohol and the glycerol ester fatty acid to form a first solution to heat the first solution,
Adding a dispersant and water to the heated first solution to form a second solution,
Mixing the second solution with the mixed fuel including coconut shell and charcoal, and then hardening
/ RTI &gt;
A method for producing a solid alcohol fuel composition,
The coconut angle includes the shell of coconut fruit itself or a workpiece thereof,
The solid alcohol fuel composition comprises,
28 to 32 parts by weight of the mixed fuel, and
From 55 parts by weight to 60 parts by weight of said alcohol, from 2 parts by weight to 4 parts by weight of said glycerol ester fatty acid, from 0.4 part by weight to 0.5 parts by weight of said dispersing agent, and from 6 parts by weight to 8 parts by weight of said water.
A method for producing a solid alcohol fuel composition.
delete delete 9. The method of claim 8,
Wherein the shell of the coconut fruit comprises a coconut shell. &Lt; RTI ID = 0.0 &gt; 21. &lt; / RTI &gt;
9. The method of claim 8,
Wherein the alcohol comprises an alcohol having 5 or less carbon atoms.
9. The method of claim 8,
Wherein the glycerin ester fatty acid comprises a vegetable glycerin fatty acid ester.
9. The method of claim 8,
Wherein the dispersant comprises an alkaline compound.
9. The method of claim 8,
Wherein the temperature of the heating is from 50 占 폚 to 60 占 폚.

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