KR101021417B1 - metal-thermal-sprayed earthenware-cooker - Google Patents

metal-thermal-sprayed earthenware-cooker Download PDF

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KR101021417B1
KR101021417B1 KR1020080080168A KR20080080168A KR101021417B1 KR 101021417 B1 KR101021417 B1 KR 101021417B1 KR 1020080080168 A KR1020080080168 A KR 1020080080168A KR 20080080168 A KR20080080168 A KR 20080080168A KR 101021417 B1 KR101021417 B1 KR 101021417B1
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South Korea
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cooking
earthenware
metal
sprayed
layer
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KR1020080080168A
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Korean (ko)
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KR20100021312A (en
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이준혁
송호
정명주
이동근
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이준혁
이동근
정명주
송호
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    • 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
    • A47J27/00—Cooking-vessels
    • A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
    • 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
    • A47J27/00—Cooking-vessels
    • A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
    • A47J27/088—Pressure-cookers; Lids or locking devices specially adapted therefor adapted to high-frequency heating
    • 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
    • A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
    • A47J36/025—Vessels with non-stick features, e.g. coatings
    • 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
    • A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
    • A47J36/027—Cooking- or baking-vessels specially adapted for use in microwave ovens; Accessories therefor
    • 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
    • A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
    • A47J36/04—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay the materials being non-metallic

Abstract

본 발명은 음식을 조리할 때 사용하는 조리용 토기 외면에 금속을 용사한 조리용 토기에 대한 것으로, The present invention relates to a cooking pottery sprayed metal on the outer surface of the cooking pottery used when cooking food,

조리용 토기(10)의 외부표면에 전자기유도가 가능한 스테인리스스틸과 같은 금속을 고열로 용해한 후 용사(熔射)하여 금속용사층(12)을 구성하고,After dissolving a metal such as stainless steel capable of electromagnetic induction at high temperature on the outer surface of the cooking earthenware 10 at high temperature, the metal spray layer 12 is formed by thermal spraying.

이 금속용사층(12)을 포함한 용기의 내, 외면 전체에 다시 실리카(SiO₂), 산화알루미나(Al₂O₃), 산화티탄(TiO₂)을 주성분으로 하여 혼합한 세라믹액을 도포한 후 세라믹 코팅층(13)이 구성되도록 소성하여,The ceramic coating layer 13 was applied to the entire inner and outer surfaces of the container including the metal sprayed layer 12 again by applying a ceramic liquid containing silica (SiO₂), alumina oxide (Al₂O₃), and titanium oxide (TiO₂) as a main component. By firing so that

조리용 토기(10) 위에 금속용사층(12) 및 세라믹 코팅층(13)이 순차적으로 적층된 조리용 토기(10)를 구성함으로써,By constructing the cooking earthenware 10 in which the metal spray layer 12 and the ceramic coating layer 13 are sequentially stacked on the cooking earthenware 10,

자성체인 금속용사층(12)으로 인하여 전자유도가열기를 이용하여 조리용 토기(10)를 가열할 수 있음은 물론이고, 가열장치의 열을 빠르게 전달하여 조리시간과 에너지를 절약할 수 있는 금속이 용사된 조리용 토기를 얻을 수 있는 발명이다.The magnetic metal spray layer 12 may be used to heat the cooking earthenware 10 by using an electromagnetic induction heater, and also to quickly transfer heat of the heating device to save cooking time and energy. It is an invention which can obtain this sprayed cooking earthenware.

금속용사, 조리용 토기 Metal spray, cooking earthenware

Description

금속이 용사된 조리용 토기 {metal-thermal-sprayed earthenware-cooker} Earthenware cooking pot {metal-thermal-sprayed earthenware-cooker}

본 발명은 음식을 조리할 때 사용하는 조리용 토기 외면에 금속을 용사한 조리용 토기에 대한 것이다.The present invention relates to a cooking pottery sprayed metal on the outer surface of the cooking pottery used when cooking food.

일반적으로 찌개, 국, 등 탕 종류나, 생선, 육류 등의 찜 요리나, 구이조리 등에 사용되는 조리용 토기는 그 재질이 점토, 활석, 백도사질 등의 재료를 수분함량 10 ~ 15%가 되도록 혼합하여 성형한 성형품을 다시 900 ~ 950℃에서 5 ~ 6 시간 소성하여 생산된다. Generally, cooking earthenware used for stew, soup, and other types of steamed fish, steamed dishes such as fish, meat, and grilled foods is made from 10 to 15% of the water content of clay, talc, white sand, etc. The molded article mixed and molded is produced by calcining again at 900 ~ 950 ℃ for 5 to 6 hours.

이러한 조리용 토기(10)의 외부표면에 전자유도가 가능한 스테인리스스틸과 같은 금속을 고열로 용해한 후 용사(熔射)하여 금속용사층(12)을 구성하여,By melting the metal such as stainless steel capable of electromagnetic induction at high temperature on the outer surface of the cooking earthenware 10 at high temperature, it is thermally sprayed to form a metal spray layer 12,

자성체인 금속용사층(12)으로 인하여 전자유도가열기를 이용하여 조리용 토기(10)를 가열할 수 있음은 물론이고, 가열장치의 열을 빠르게 전달하여 조리시간과 에너지를 절약할 수 있는 금속이 용사된 조리용 토기(10)를 얻을 수 있으며,The magnetic metal spray layer 12 may be used to heat the cooking earthenware 10 by using an electromagnetic induction heater, and also to quickly transfer heat of the heating device to save cooking time and energy. You can get this sprayed cooking earthenware 10,

이 금속용사층(12)을 포함한 토기의 내,외면 전체에 실리카(SiO₂), 산화알루미나(Al₂O₃), 산화티탄(TiO₂)을 주성분으로 하여 혼합한 세라믹액을 도포한 후 세라믹 코팅층(13)이 구성되도록 고열로 소성하여,The ceramic coating layer 13 was applied after coating a ceramic liquid containing silica (SiO₂), alumina oxide (Al₂O₃) and titanium oxide (TiO₂) as main components on the entire inner and outer surfaces of the earthenware including the metal spray layer 12. Firing at high temperature so that

조리용 토기(10) 위에 금속용사층(12) 및 세라믹 코팅층(13)이 순차적으로 적층된 조리용 토기(10)를 구성함으로써, 음식이 조리용 토기(10)에 눌러 붙는 것을 방지한 금속이 용사된 조리용 토기를 얻을 수 있다. By forming the cooking earthenware 10 in which the metal spray layer 12 and the ceramic coating layer 13 are sequentially stacked on the cooking earthenware 10, the metal which prevents food from sticking to the cooking earthenware 10 is formed. Obtained Spawn Cooking Earthenware.

금속 문명이 발달했던 서양에서 전달된 조리용기는 가스레인지와 같은 고열의 열에 잘 견디고, 빠르게 음식을 익히기 위하여 알루미늄이나 스테인리스스틸과 같은 금속재료로 제조된 조리용기가 많이 사용되고 있다.Cooking vessels delivered from the West, where metal civilization has developed, are resistant to high heat such as gas stoves, and many cooking vessels made of metal materials such as aluminum or stainless steel are used to quickly cook food.

그러나 이와 같은 금속 조리용기는 열전도율이 높기 때문에 직접 열을 전달받은 중심부는 온도가 매우 높으나 그 주변부는 온도가 낮기 때문에 이 온도차이로 인하여 음식의 겉과 속이 골고루 익지 않는 문제가 있었다.However, since such a metal cooking vessel has a high thermal conductivity, the center of the direct heat transfer has a very high temperature, but since the surrounding portion has a low temperature, the temperature and the inside of the food are not evenly cooked due to the temperature difference.

이러한 문제의 대안으로 최근에는 도자기를 조리용기로 사용하는 경우가 점점 증가하고 있다. 도 1에서와 같은 조리용 토기(10)는 흙을 고열에 굽고 유약을 발라 다시 구운 토기로써,As an alternative to this problem, the use of porcelain as a cooking container is increasing. Cooking earthenware 10, such as in Figure 1 is baked with earthenware glaze baked in high heat again glaze,

점토, 활석, 백도사질 등의 재료를 수분함량 10 ~ 15%가 되도록 혼합하여 성형한 성형품을 900 ~ 950℃에서 5 ~ 6시간 소성하여 생산된다. Clay, talc, white sand and other materials are produced by mixing 5 to 6 hours at 900 ~ 950 ℃ molded articles molded by mixing the water content of 10 to 15%.

이러한 조리용 토기(10)는 열 전도성이 낮아 조리를 위해 가열할 경우 용기 전체에 열이 천천히 고르게 분포되어 음식 전체가 고르게 조리될 뿐만 아니라, 일단 가열되면 열이 오래 잔류되고 다량의 원적외선을 방사하여 음식의 맛과 향을 좋게 하는 장점이 있다.The cooking earthenware 10 has a low thermal conductivity, and when heated for cooking, the heat is distributed evenly throughout the container so that the entire food is cooked evenly, and once heated, the heat remains long and radiates a large amount of far infrared rays. It has the advantage of improving the taste and flavor of the food.

이러한 장점에 따라 최근에는 다양한 조리용 토기를 개발하여 사용하고 있으 나 다음과 같은 문제가 있다. According to these advantages, recently, various cooking earthenwares have been developed and used, but there are the following problems.

먼저, 조리용 토기는 외부에서 가해지는 충격에 약하여 사용 중 쉽게 파손되는 문제와,First, the cooking earthenware is weak to the impact from the outside, and easily broken during use,

최근에 안전한 조리 기구로 각광받고 있는 전자유도가열기(인덕션 레인지)에는 자성체가 아니기 때문에 사용할 수 없다는 문제가 있다. The electromagnetic induction heater (induction range), which has recently been spotlighted as a safe cooking utensil, has a problem that it cannot be used because it is not a magnetic material.

본 발명은 조리용 토기의 장점은 그대로 가지되, 외부에서 가해지는 충격에 보다 잘 견디며, 불을 사용하는 가열기구를 포함하여 전자유도가열기에도 사용 가능한 조리용 토기를 개발하는 것이 본 발명이 해결하고자 하는 과제이다. The present invention has the advantages of cooking earthenware as it is, to better withstand the impact from the outside, and to develop a cooking earthenware that can be used in an electromagnetic induction heater, including a heating mechanism using a fire is solved by the present invention It is a task to do.

조리용 토기(10)의 외면에 전자유도가 가능한 금속을 용사하여 금속용사층(12)을 구성한 금속이 용사된 조리용 토기에 있어서,In the cooking earthenware in which the metal which sprayed the metal which can induce electromagnetic induction on the outer surface of the cooking earthenware 10 and comprised the metal spray layer 12 was sprayed,

금속용사층(12) 위에 세라믹액을 도포, 소성하여 세라믹 코팅층(13)이 구성되도록 한 것을 특징으로 하는 금속이 용사된 조리용 토기에 대한 것이다. The metal sprayed cooking earth, characterized in that the ceramic coating layer 13 is formed by applying and firing a ceramic liquid on the metal spray layer (12).

삭제delete

본 발명은 토기 및 금속 소재의 장점을 그대로 가지기 때문에 음식에 열이 빠르면서도 골고루 전달되고, The present invention has the advantages of earthenware and metal as it is, even heat is delivered to the food evenly,

가열된 상태에서 열이 오래 잔류하며, 원적외선 방사열이 다량 방출되어, 음식의 겉과 속이 고르게 익고, 음식의 맛과 향이 오래도록 지속되며, The heat remains long in the heated state, the far infrared radiation is released a lot, the outside and inside of the food are cooked evenly, the food taste and aroma last for a long time,

외부 충격에 강하고, 종래에 사용할 수 없던 전자유도가열기에도 사용 가능한 장점이 있다. Resistant to external impact, there is an advantage that can be used in the electromagnetic induction heater that can not be used conventionally.

본 발명은 뚝배기, 토기와 같은 종래의 조리용 토기의 장점과 금속 소재의 조리용기의 장점을 동시에 갖도록 한 것으로, The present invention is to have the advantages of the conventional cooking earthenware such as earthenware pot, earthenware and the advantages of the metal cooking vessel,

도 2에서와 같이 조리용 토기(10)의 외면에 금속을 용사하여 조리용 토기(10)의 외면에 금속용사층(12)을 형성한다. As shown in Figure 2 by spraying the metal on the outer surface of the cooking earthenware 10 to form a metal spray layer 12 on the outer surface of the cooking earthenware 10.

용사(熔射, thermal spraying)는 금속 재료를 가열하여 녹이거나 혹은 연하게 하여 이것을 미립자 상태로 만들어 대상물의 표면에 충돌시켜서 부서진 입자를 응고·퇴적시킴으로써 피막을 형성하는 가공법으로 용사코팅이라고도 한다.Thermal spraying is a thermal spraying process, in which a metal material is heated to melt or soften to make it a particulate state, and then collide with the surface of an object to solidify and deposit broken particles to form a coating.

이 금속용사층(12)의 금속소재는 다양한 금속 소재를 선택할 수 있으나, 조리용 토기에 사용되는 특성상 녹이 발생하지 않으면서 자성체의 스테인리스스틸과 같은 금속 소재를 용사하여 금속용사층(12)을 형성하는 것이 바람직하며,The metal material of the metal spray layer 12 may be selected from various metal materials, but the metal spray layer 12 is formed by spraying a metal material such as stainless steel of a magnetic material without rusting due to the characteristics used for cooking earthenware. It is desirable to

그 두께는 조리용 토기(10)의 크기 및 용기의 성격에 따라 0.1~ 2mm 정도의 두께를 갖도록 하는 것이 바람직하다. The thickness is preferably to have a thickness of about 0.1 ~ 2mm depending on the size of the cooking earthenware 10 and the nature of the container.

이상과 같은 본 발명은 조리용 토기(10)의 장점과 금속 소재의 조리용기의 장점을 동시에 가지게 되는데,The present invention as described above will have the advantages of the cooking earthenware 10 and the advantages of the metal cooking vessel, at the same time,

도자기 소재의 특성상 일단 가열이 되면 조리용 토기(10)에 열이 고르게 전달되어 음식이 고르게 조리될 뿐만 아니라, 열이 오래 잔류되고, 다량의 원적외선을 방사하여 음식의 맛과 향을 좋게 하며,Due to the characteristics of the ceramic material, once heated, the heat is evenly transferred to the cooking earthenware 10, and the food is cooked evenly, and the heat remains for a long time, radiating a large amount of far infrared rays to improve the taste and aroma of the food.

금속소재의 특성상 금속용사층(12)에 가해진 열이 빠르게 전달되어 조리용 토기(10)를 전체적으로 가열하므로 조리시간 단축 및 에너지가 절약되고, 외부 충 격에 잘 견디며, 수세미 등을 이용하여 세척시 흠집에 강하고, 직접적으로 열을 사용하지 않는 가열기구인 전자유도가열기에도 사용 가능한 장점을 갖게 된다.Due to the characteristics of the metal material, the heat applied to the metal spray layer 12 is quickly transmitted, thereby heating the cooking earthenware 10 as a whole, which shortens the cooking time and saves energy, and withstands external shocks. It is resistant to scratches and has advantages that can be used for electromagnetic induction heaters, which are heating devices that do not directly use heat.

전자유도가열기(인덕션 레인지)는 전자기를 열로 바꾸는 것으로 고주파 교류전류가 통과할 수 있는 전자석으로 구성되어 있으며, 전자기유도현상에 의해 금속 내부에 생긴 소용돌이 전류가 줄열(Joule's heat)을 발생시켜 금속용기를 가열한다.Electromagnetic induction heater (induction range) consists of electromagnets through which high-frequency alternating current can pass by converting electromagnetic into heat, and the vortex current generated inside the metal by electromagnetic induction causes Joule's heat to generate metal vessel. Heat it.

즉, 자기장에 의해 발생하는 유도전류를 열원으로 이용한 가열기로, 전자유도가열기에 금속을 놓아두면 전자기유도 현상에 의해 금속에 소용돌이 전류가 발생하고 줄열에 의해 금속용기를 가열되는 방식이기 때문에 매우 안전하고 전력 소모도 적어 최근에 많이 보급되고 있다. In other words, it is a heater that uses induction current generated by magnetic field as a heat source. If the metal is placed in the electromagnetic induction heater, it is very safe because the eddy current is generated in the metal by the electromagnetic induction phenomenon and the metal container is heated by Joule heat. In addition, power consumption is also low, it is widely spread in recent years.

종래의 조리용 토기는 전류가 통하지 못하기 때문에 이러한 전자유도가열기에 사용이 불가능하였으나, 본 발명은 조리용 토기(10)의 외면에 구성된 금속용사층(12)에 전류가 자성이 통하기 때문에 사용이 가능하다.Conventional cooking earthenware cannot be used in such an electromagnetic induction heater because the current does not pass through, but the present invention is used because the current flows through the magnetic metal spray layer 12 formed on the outer surface of the cooking earthenware 10 This is possible.

또한 도 3에서와 같이 본 발명인 조리용 토기(10)의 금속용사층(12)을 포함한 용기의 내,외면 전체에 실리카(SiO₂), 산화알루미나(Al₂O₃), 산화티탄(TiO₂)을 주성분으로 하여 혼합한 세라믹액을 도포한 후 세라믹 코팅층(13)이 구성되도록 소성한다. In addition, as shown in FIG. 3, silica (SiO₂), alumina oxide (Al₂O₃), and titanium oxide (TiO₂) are mainly used on the entire inner and outer surfaces of the container including the metal spray layer 12 of the present invention. After applying the mixed ceramic solution, the ceramic coating layer 13 is fired.

세라믹 코팅층(13)은 금속용사층(12)을 이룬 금속 입자 사이 사이에 골고루 스며들어 강한 결속력을 가지는 특징이 있으며, 가스레인지와 같은 가열기구의 열에 직접 닿아도 갈라짐이나 들뜸이 발생하지 않는다. The ceramic coating layer 13 is characterized by having a strong binding force evenly between the metal particles forming the metal spray layer 12, and does not cause cracking or lifting even when directly in contact with the heat of a heating mechanism such as a gas range.

이러한 세라믹 코팅층(13)은 고열에 강하고 음식이 눌러 붙지 않는 성질이 있기 때문에 본 발명인 조리용 토기(10)로 조리 중 음식물이 흘러 넘더라도 손쉽게 세척 가능한 장점을 가지게 된다. Since the ceramic coating layer 13 is resistant to high heat and the food does not stick to it, the cooking earthenware 10 of the present invention has the advantage of being easily washed even when food flows during cooking.

도 1은 종래의 조리용 토기를 예시한 단면도.1 is a cross-sectional view illustrating a conventional cooking earthenware.

도 2는 본 발명인 금속이 용사된 조리용 토기를 예시한 단면도.Figure 2 is a cross-sectional view illustrating a cooking earthenware sprayed metal of the present invention.

도 3은 본 발명인 금속용사층에 세라믹 코팅층을 구성한 조리용 토기를 예시한 단면도.Figure 3 is a cross-sectional view illustrating a cooking earthenware constituting a ceramic coating layer on the metal spray layer of the present invention.

<도면의 주요부분에 대한 부호설명><Code Description of Main Parts of Drawing>

10: 조리용 토기10: cooking earthenware

12: 금속용사층12: metal sprayed layer

13: 세라믹 코팅층13: ceramic coating layer

Claims (2)

삭제delete 조리용 토기(10)의 외면에 전자유도가 가능한 금속을 용사하여 금속용사층(12)을 구성한 금속이 용사된 조리용 토기에 있어서,In the cooking earthenware in which the metal which sprayed the metal which can induce electromagnetic induction on the outer surface of the cooking earthenware 10 and comprised the metal spray layer 12 was sprayed, 금속용사층(12) 위에 세라믹액을 도포, 소성하여 세라믹 코팅층(13)이 구성되도록 한 것을 특징으로 하는 금속이 용사된 조리용 토기.The ceramic earth spraying cooking earthenware, characterized in that the ceramic coating layer 13 is formed by applying and firing the ceramic liquid on the metal spray layer (12).
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