KR20170029192A - Heating composition and manufacturing method of the same - Google Patents
Heating composition and manufacturing method of the same Download PDFInfo
- Publication number
- KR20170029192A KR20170029192A KR1020150126200A KR20150126200A KR20170029192A KR 20170029192 A KR20170029192 A KR 20170029192A KR 1020150126200 A KR1020150126200 A KR 1020150126200A KR 20150126200 A KR20150126200 A KR 20150126200A KR 20170029192 A KR20170029192 A KR 20170029192A
- Authority
- KR
- South Korea
- Prior art keywords
- heating element
- element composition
- aluminum
- magnesium chloride
- quicklime
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/16—Materials undergoing chemical reactions when used
- C09K5/18—Non-reversible chemical reactions
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/24—Warming devices
- A47J36/28—Warming devices generating the heat by exothermic reactions, e.g. heat released by the contact of unslaked lime with water
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/02—Lime
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3817—Carbides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/402—Aluminium
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
Disclosed is a heating element composition containing at least one of magnesium chloride or sodium hydroxide and at least one of calcium oxide, aluminum, sodium bicarbonate and charcoal, and at least one of storage stability, convenience, efficiency and safety.
Description
The present invention relates to a heating element composition and a method of manufacturing a heating element composition.
Patent Documents 1 to 4 disclose heating elements capable of generating heat without a separate burner or a heater when performing outdoor activities such as military operations, military training, camping, and the like.
One aspect of the present invention can provide a heating element composition improved in at least one of storage stability, convenience, efficiency, and safety.
One aspect of the present invention can provide a method of manufacturing a heating element composition in which at least one of storage stability, convenience, efficiency, and safety is improved.
The heating element composition according to an embodiment of the present invention may include at least one of magnesium chloride or sodium hydroxide and calcium oxide, aluminum, sodium bicarbonate and charcoal.
At this time, the weight ratio of char is preferably 1.25 to 7.50 wt%.
The weight ratio of the at least one of the magnesium chloride and the sodium hydroxide is 1.25 to 3.75 wt%, the weight ratio of the quicklime is 37.50 to 52.50 wt%, the aluminum weight ratio is 37.50 to 50.00 wt%, the sodium bicarbonate Is in the range of 6.25 to 18.75 wt%.
A method of manufacturing a heating element composition according to an embodiment of the present invention includes mixing at least one material selected from burnt lye, sodium bicarbonate, and char, with aluminum to form a first mixture; Mixing a substance not contained in the first mixture in the quicklime, sodium bicarbonate, and char with the magnesium chloride powder to form a second mixture; And mixing and stirring the first mixture and the second mixture.
According to one embodiment of the present invention, at least one of the storage property, convenience, efficiency, and safety of the heating element composition can be improved.
BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that the disclosure of the present invention is complete and that those skilled in the art will fully understand the scope of the present invention. Like reference numerals refer to like elements throughout the specification.
The terms used herein are intended to illustrate embodiments and are not intended to limit the invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. It is to be understood that the terms 'comprise', and / or 'comprising' as used herein may be used to refer to the presence or absence of one or more other components, steps, operations, and / Or additions.
In addition, the embodiments described herein will be described with reference to cross-sectional views and / or plan views, which are ideal illustrations of the present invention. In the drawings, the detailed size, shape, thickness, curvature, etc. of each structure are exaggerated or schematized for effective explanation of technical contents, and the shape may be modified by tolerance or the like.
The heating element composition according to an embodiment of the present invention may include aluminum, magnesium chloride, quicklime, sodium bicarbonate, and charcoal. At this time, aluminum, magnesium chloride, quicklime, sodium bicarbonate, and charcoal may all be included in the heating element composition in powder form.
Aluminum (Al) is a metal having high reactivity with oxygen, and is generally present in a state in which an oxide film is formed on the surface of aluminum. On the other hand, the powdered aluminum in which the oxide film is removed can generate heat while reacting violently with water. Also, the reaction of aluminum and water becomes faster as the temperature is increased.
Magnesium chloride (MgCl2) may exist in the form of a hydrate containing an anhydride (MgCl2) containing no water molecule (H2O) and a water molecule, and it is generally present as a hexahydrate (MgCl2-6H2O) among hydrates. On the other hand, magnesium chloride anhydride is a colorless crystalline powder, which is highly hygroscopic and soluble in water or alcohol.
The quicklime is a name of calcium oxide (CaO). In general, when calcium carbonate (CaCO3) is heated in a closed state, carbon dioxide (CO2) is separated and quick lime can be generated. The quicklime reacts immediately when it comes into contact with water. When the quicklime reacts with water, calcium hydroxide (Ca (OH) 2) is generated and ionized to make the solution basic. Such a reaction may be referred to as a hydration reaction, and the heat accompanying the reaction may be referred to as a hydration heat.
The inclusion of aluminum, magnesium chloride, and quicklime in the heating element composition can rapidly activate the exothermic reaction of aluminum, magnesium chloride, and quicklime, thereby shortening the reaching time of high temperature. In addition, the quicklime can also function to extend the duration of the high temperature state by heating the heat generated during the heat generation. On the other hand, it is possible to secure a certain amount of calories with only quick lime, but the amount of quick lime required to obtain a predetermined calorie amount is relatively large. Accordingly, the heating element composition according to an embodiment of the present invention includes aluminum, magnesium chloride, and quicklime so that the weight can be reduced and the amount of heat can be increased more rapidly.
Sodium bicarbonate is converted to sodium carbonate anhydrate (Na2CO3) as it heats up to about 65 degrees Celsius, generating carbon dioxide and water. Accordingly, the sodium bicarbonate in the heating element composition according to an embodiment of the present invention can perform the function of expanding the volume of the heating element to increase the surface area where aluminum, magnesium chloride, and quicklime can be in contact with water, Magnesium chloride, quicklime, and the like, which serves as a water supply source for supplying water to be used in an exothermic reaction. As the sodium bicarbonate expands the volume of the heating element composition, an exothermic reaction can be rapidly carried out throughout the heating element composition. Further, the effect that the heat is evenly dispersed in accordance with the expansion of the heating element composition can be realized. In addition, the degree of expansion of the heating element composition can be determined by controlling the content of sodium bicarbonate, and as a result, the required heating rate and duration can be controlled.
Meanwhile, the heating element composition according to an embodiment of the present invention contains charcoal. The charcoal may function to purify foreign substances or fungi that may be contained or generated in the heating element composition. In addition, some of the heat generated due to the reaction of the above-described quicklime, aluminum, magnesium chloride, and the like with water causes a rise in the temperature of the char, so that far infrared rays may be emitted from the char. Charcoal may also perform a moisture absorption function to absorb moisture. Accordingly, even if the heating element composition is stored for a long time, problems caused by odor and moisture can be reduced, heating efficiency can be improved due to far-infrared rays generated from charcoal, flavor of food cooked or heated by the heating element composition Can be improved.
If the above-mentioned aluminum is contained in an amount of less than 37.50 wt% in the heating element composition, the amount of heat generated is insufficient, and a high-temperature state of 80 DEG C or higher can not be attained or the high-temperature holding time can be remarkably shortened. On the contrary, when the aluminum content exceeds 50.00 wt%, the effect of increasing the heat generation amount due to the increase of aluminum is remarkably reduced, so that the content of the other components is only reduced and there is little benefit. Therefore, it is preferable that the heating element composition according to an embodiment of the present invention includes aluminum in an amount of 37.50 to 50.00 wt%.
In addition, when magnesium chloride is contained in an amount of less than 1.25 wt% of the heating element composition, heat generation in the initial state in which water is supplied to the heating element composition is weakened, and it may take a long time to rise to a high temperature above a predetermined reference temperature. Conversely, if the magnesium chloride exceeds 3.75 wt%, the heat generation duration can be reduced. Therefore, it is preferable that the heating element composition according to an embodiment of the present invention includes 1.25 to 3.75 wt% of magnesium chloride.
In addition, when the quicklime is contained in an amount of less than 37.50 wt% in the heating element composition, the hydration reaction is weak and the high temperature state can not be reached or the high temperature holding time can be remarkably shortened. Conversely, if the amount of the quicklime exceeds 52.50 wt%, the temperature holding ability may be weakened. Therefore, it is preferable that the heating element composition according to an embodiment of the present invention includes 37.50 to 52.50 wt% of burnt lime.
In addition, when sodium bicarbonate is contained in less than 6.25 wt% of the heating element composition, the reaction of the base is not smooth due to the insufficient calorific value of the carbonate ion and causes a temperature drop (reflecting additional data) This is remarkably long. Conversely, when the amount of sodium bicarbonate exceeds 18.75 wt%, the generation of water and carbon dioxide increases and the temperature holding time becomes shorter (reflecting additional data). As the exothermic reaction occurs excessively rapidly, It may become difficult to secure sufficient time for cooking or heating. Accordingly, it is preferable that the heating element composition according to an embodiment of the present invention includes 6.25 to 18.75 wt% sodium bicarbonate.
In addition, when the char is contained in an amount of less than 1.25 wt% of the heating element composition, the purifying function and the moisture absorption function of the char may not be sufficiently performed with respect to the entire heating element composition. Thus, problems such as generation of odor, have. In addition, since the generation of far-infrared rays is insignificant, it is difficult to realize effects such as improvement in cooking efficiency and flavor enhancement. Conversely, when the char is more than 7.50 wt%, the content of at least one of other components such as aluminum, magnesium chloride, quicklime, and sodium bicarbonate, which are exothermic or maintain a high temperature, must be reduced, There may be a problem that the temperature is reduced or the high-temperature duration is shortened. Therefore, the heating element composition according to an embodiment of the present invention preferably contains 1.25 to 7.50 wt% of char.
On the other hand, all or a part of the above-mentioned magnesium chloride can be replaced with sodium hydroxide, but it is more preferable from the viewpoints of safety and storage property to include magnesium chloride which is lower in harmfulness to human body and hygroscopicity than sodium hydroxide. In addition, all or part of the above-mentioned quicklime can be replaced with calcium carbonate. However, the calcium carbonate is consolidated into a large volume after the exothermic reaction is terminated, while the calcium oxide is relatively less aggregated than calcium carbonate. The convenience of post-use processing can be improved.
On the other hand, the heating element composition as described above can be used or stored in a state of being embedded in a nonwoven fabric or the like. At this time, the nonwoven fabric may be produced by adhering the fibrous aggregate or film by physical or chemical means or by bonding with appropriate water or heat. It can also be made of fibers of various materials, such as natural fibers, chemical fibers, and glass fibers. Further, it can be sealed and stored in a primary packaging material made of a synthetic resin film such as a nylon film having very low permeability and moisture permeability. Further, when the nylon film or the like is repackaged in the secondary packaging material made of the metal foil, the sealing property can be further improved. Here, it is also possible to implement the packaging material such that the primary packaging material is adhered or coated on the inner surface of the secondary packaging material.
A method of manufacturing a heating element composition according to an embodiment of the present invention may be a method of separately mixing and stirring a mixture containing aluminum and magnesium chloride and then mixing and stirring the whole. That is, mixing at least one material selected from burnt lye, sodium bicarbonate and char is mixed with aluminum to form a first mixture, and a substance not contained in the first mixture is added to magnesium chloride powder To form a second mixture, and then the first mixture and the second mixture are mixed and stirred to prepare a heating element composition. At this time, other constituent materials other than aluminum and magnesium chloride may be provided only in either the first mixture or the second mixture. Also, the heating element composition may be produced in such a manner that the same material is partially provided to the first mixture and the remainder is provided to the second mixture. Accordingly, the phenomenon that the characteristics of at least one of aluminum and magnesium chloride are changed during the friction between aluminum and magnesium chloride in the mixing and stirring process can be reduced, and as a result, the calorific value of the completed calorific product composition is lower than the calorific value Can be mitigated.
<Experimental Example 1>
A heating element composition containing 34 g of burnt lime, 34 g of aluminum, 8 g of sodium bicarbonate, 2 g of magnesium chloride and 2 g of charcoal was placed in the sealing material, water was supplied into the sealing material and the temperature of the heating composition was measured.
As described above, the heating element composition according to an embodiment of the present invention includes aluminum, magnesium chloride, quicklime, sodium bicarbonate, and charcoal, and when water is provided, it quickly reaches a high temperature state and can maintain a high temperature state for a long time. In addition, the harmfulness to the human body is reduced, and even if stored for a long time, odor generation is reduced and the performance degradation due to moisture can be reduced. In addition, the heating element composition according to an embodiment of the present invention not only enhances the cooking efficiency but also improves the flavor of the food by emitting the far-infrared ray in the heating process.
Claims (4)
The weight ratio of at least one of the magnesium chloride and the sodium hydroxide is 1.25 to 3.75 wt%
The weight ratio of the quicklime is 37.50 to 52.50 wt%
The weight ratio of aluminum is 37.50 to 50.00 wt%
Wherein the weight ratio of sodium bicarbonate is 6.25 to 18.75 wt%.
Mixing a substance not contained in the first mixture in the quicklime, sodium bicarbonate, and char with the magnesium chloride powder to form a second mixture; And
And mixing and stirring the first mixture and the second mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150126200A KR101810164B1 (en) | 2015-09-07 | 2015-09-07 | Manufacturing method of heating composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150126200A KR101810164B1 (en) | 2015-09-07 | 2015-09-07 | Manufacturing method of heating composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170029192A true KR20170029192A (en) | 2017-03-15 |
| KR101810164B1 KR101810164B1 (en) | 2017-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020150126200A KR101810164B1 (en) | 2015-09-07 | 2015-09-07 | Manufacturing method of heating composition |
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| Country | Link |
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| KR (1) | KR101810164B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200057187A (en) * | 2018-11-16 | 2020-05-26 | 전북대학교산학협력단 | Foamable heating composition and maunfacturing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000058524A (en) | 1999-11-02 | 2000-10-05 | 김인걸 | Heating method to warm food |
| KR20010035352A (en) | 2001-02-06 | 2001-05-07 | 류웅상 | A heating meterial for heating food packed in a package |
| KR20030039121A (en) | 2001-11-12 | 2003-05-17 | 백창평 | Heat generating composite and disposable heating pack |
| KR20060122657A (en) | 2005-05-27 | 2006-11-30 | (주) 에스앤지테크놀로지 | Heating composition for food |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100960811B1 (en) | 2009-10-29 | 2010-06-07 | 주식회사 명진산업 | 4 components system heating agent |
| JP6256969B2 (en) * | 2012-06-04 | 2018-01-10 | 国立大学法人 熊本大学 | Heat generation structure |
| KR101277378B1 (en) * | 2013-04-22 | 2013-06-20 | 김태곤 | Heating element composition and apparatus for heating food using thereof |
-
2015
- 2015-09-07 KR KR1020150126200A patent/KR101810164B1/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000058524A (en) | 1999-11-02 | 2000-10-05 | 김인걸 | Heating method to warm food |
| KR20010035352A (en) | 2001-02-06 | 2001-05-07 | 류웅상 | A heating meterial for heating food packed in a package |
| KR20030039121A (en) | 2001-11-12 | 2003-05-17 | 백창평 | Heat generating composite and disposable heating pack |
| KR20060122657A (en) | 2005-05-27 | 2006-11-30 | (주) 에스앤지테크놀로지 | Heating composition for food |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200057187A (en) * | 2018-11-16 | 2020-05-26 | 전북대학교산학협력단 | Foamable heating composition and maunfacturing method thereof |
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| Publication number | Publication date |
|---|---|
| KR101810164B1 (en) | 2017-12-19 |
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