KR100322961B1 - Heat-resistant loess vessel - Google Patents

Heat-resistant loess vessel Download PDF

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Publication number
KR100322961B1
KR100322961B1 KR1019990053633A KR19990053633A KR100322961B1 KR 100322961 B1 KR100322961 B1 KR 100322961B1 KR 1019990053633 A KR1019990053633 A KR 1019990053633A KR 19990053633 A KR19990053633 A KR 19990053633A KR 100322961 B1 KR100322961 B1 KR 100322961B1
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heat
weight
ocher
resistant
container
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KR1019990053633A
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Korean (ko)
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KR20010048822A (en
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심인구
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심인구
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/002Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00Parts, details or accessories of cooking-vessels
    • A47J36/02Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
    • A47J36/04Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay the materials being non-metallic

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Manufacturing & Machinery (AREA)
  • Cookers (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Abstract

본 발명은 황토내열용기에 관한 것으로, 더욱 상세하게는 내열성이 우수한 리듐장석에 황토흙을 배합하여 성형 제조함으로써 전자렌지 등에 사용되는 주방용 기로의 활용이 가능한 황토내열용기를 제공함에 그 목적이 있다.The present invention relates to an ocher heat-resistant container, and more particularly, to provide an ocher heat-resistant container that can be utilized as a kitchen vessel used in a microwave oven by molding and manufacturing ocher soil in a lithium feldspar having excellent heat resistance.

그리고, 상기한 목적을 달성하기 위하여 본 발명은 황토흙 40∼50중량%, 리듐장석(Petalite) 50∼55중량%, 점토 3∼7중량%, 반토혈암 2∼5중량%로 조성되는 것을 특징으로 하는 황토내열용기를 제공하게 된다.In order to achieve the above object, the present invention is characterized in that the composition is composed of 40 to 50% by weight of ocher soil, 50 to 55% by weight of lithium feldspar (Petalite), 3 to 7% by weight of clay, 2 to 5% by weight of alumina shale. It is to provide a heat resistant ocher container.

Description

황토내열용기{HEAT-RESISTANT LOESS VESSEL}HEAT-RESISTANT LOESS VESSEL}

본 발명은 황토내열용기에 관한 것으로, 더욱 상세하게는 내열성이 우수한 리듐장석에 황토흙을 배합하여 성형 제조함으로써 전자렌지 또는 가스렌지 등에 사용되는 주방용기로의 활용이 가능한 황토내열용기에 관한 것이다.The present invention relates to an ocher heat-resistant container, and more particularly, to an ocher heat-resistant container that can be utilized as a kitchen vessel used in a microwave oven or a gas stove by molding and molding ocher soil in a lithium feldspar having excellent heat resistance.

일반적으로, 전자렌지나 가스렌지 등의 고열상태에서 조리할 때 고열에 견딜수 있는 내열용기를 사용하게 되고, 이때 사용되는 내열용기는 백토로 성형한 후, 그 표면에 검정색류의 화학적 안료를 시유하여 만든 내열자기류가 대부분이다.Generally, when cooking in a high temperature state such as a microwave oven or a gas stove, a heat resistant container capable of withstanding high heat is used. The heat resistant container used here is molded from white clay, and then oil-coated black pigment on its surface. Most of the heat-resistant magnetic materials made.

여기서, 백토내열용기는 그 내열성이 뛰어나지만 음식물을 조리하는 주방용기로 사용하기에 비위생적이고, 재료의 특성에 의해 물이 새거나 용기 자체가 갈라지면서 그 틈새로 이물질이 끼는 등의 문제가 있다.Here, the heat-resistant clay container is excellent in heat resistance, but is not sanitary to be used as a kitchen vessel for cooking food, and there are problems such as leaking of foreign substances due to the nature of the material or the container itself being broken.

본 발명은 이러한 종래의 문제를 개선하기 위하여 안출된 것으로, 내열성이 우수한 리듐장석에 황토흙을 배합하여 성형 제조함으로써 전자렌지 등에 사용되는 주방용기로의 활용이 가능한 황토내열용기를 제공함에 그 목적이 있다.The present invention has been made in order to improve such a conventional problem, and the object of the present invention is to provide a loess heat-resistant container that can be utilized as a kitchen container used in a microwave oven by molding and manufacturing the loess soil in a lithium feldspar having excellent heat resistance. have.

상기한 목적을 달성하기 위하여 본 발명은 황토흙 40∼50중량%, 리듐장석 50∼55중량%, 점토 3∼7중량%, 반토혈암 2∼5중량%로 조성되는 것을 특징으로 하는 황토내열용기를 제공하게 된다.In order to achieve the above object, the present invention is a loess heat-resistant container comprising 40 to 50% by weight of ocher soil, 50 to 55% by weight of lithium feldspar, 3 to 7% by weight of clay, and 2 to 5% by weight of alumina shale. Will be provided.

이하, 본 발명을 상세히 설명하기로 한다.Hereinafter, the present invention will be described in detail.

본 발명에 따른 황토내열용기는 황토흙 40∼50중량%, 리듐장석(Petalite) 50∼55중량%, 점토 3∼7중량%, 반토혈암 2∼5중량%로 조성된다.The ocher heat-resistant container according to the present invention is composed of 40 to 50% by weight of ocher soil, 50 to 55% by weight of feldspar (Petalite), 3 to 7% by weight of clay, and 2 to 5% by weight of alumina shale.

이때, 황토내열용기를 조성하는 소지(素地)의 화학성분을 분석하면 다음 표1과 같다.At this time, the chemical composition of the body (素 地) to form a heat resistant ocher container is shown in Table 1 below.

여기서, 용기가 급열/급냉에 대해 내구성을 갖기 위해서는 그 주요구성이 규산질과 알루미나로 이루어져야 하는데, 상기 표1에서 알 수 있듯이 황토흙에는 이러한 내열성분인 규실질과 알루미나의 성분이 매우 부족하다.Here, in order for the container to be durable against rapid quenching / quenching, its main composition should be made of siliceous and alumina. As can be seen from Table 1, the ocher soil is very lacking in the components of siliceous and alumina as heat-resistant components.

따라서, 본 발명에서는 황토흙에 리듐장석(페텔라이트)을 혼합하여 부족한 규산질과 알루미나를 보충하게 되고, 점토나 반토혈암은 황토흙과 리듐장석의 완전한 결합을 위한 바인더(Binder)역활을 수행하게 된다.Therefore, in the present invention, the mixture of lithium feldspar (petelite) in ocher soil is supplemented with insufficient silicate and alumina, and the clay or alumina shale serves as a binder for the complete bonding of ocher soil and lithium feldspar. .

한편, 원적외선 다량방출결정체로 항균, 항습효과가 뛰어나고, 음식의 맛을 좋게 하는 것으로 널리 알려져 있는 황토흙은 본 발명에 있어 그 함량이 40중량%의 미만일 경우 용기에 그 특유의 황토색감이 발현되지 않게 되고, 50중량%를 초과할 경우 내열성분인 규산질과 알루미나의 함량이 부족하여 용기의 내열성이 떨어지게 된다.On the other hand, the loess soil, which is widely known to have excellent antibacterial and anti-humidity effects as a far-infrared emission crystal, and to improve the taste of food, in the present invention, when its content is less than 40% by weight, the characteristic ocher color is not expressed in the container. If the content exceeds 50% by weight, the content of siliceous and alumina, which are heat-resistant components, is insufficient, resulting in poor heat resistance of the container.

그리고, 상기 표1에 나타난 바와 같이 내열성분인 규산질과 알루미나를 다량 함유하고 있는 저열팽창성 세라믹스 재료인 고가(高價)의 리듐장석은 그 함량이 50중량%의 미만으로 혼합될 경우 규산질과 알루미나의 함량부족으로 용기의 내열성을 저하시키게 되고, 55중량%를 초과할 경우 용기의 제조원가를 지나치게 높이게 된다.And, as shown in Table 1, high-priced lithium feldspar, which is a low thermally expandable ceramic material containing a large amount of siliceous and alumina, which are heat-resistant components, is insufficient in the content of siliceous and alumina when the content is less than 50% by weight. As a result, the heat resistance of the container is lowered, and when it exceeds 55% by weight, the manufacturing cost of the container is excessively increased.

또한, 몬로나이트나 카오린족의 물질로서 적당한 수분에 의해 점력이 생기면서 건조시켜 불에 구우면 내구성이 생기기 때문에 예로부터 벽돌이나 토우, 도자기 제작용으로 사용되어 왔던 점토는 본 발명에 있어 그 특유의 응집성을 이용하여 황토흙과 리듐장석의 결합을 돕게 되는데, 그 함량이 3중량%의 미만이면 황토흙과 리듐장석의 응집성이 떨어지게 되고, 7중량%를 초과할 경우 황토흙과 리듐장석의 응집재로 작용되지 않고 자기중심의 이상변화를 일으키게 되어 용기의 취성을 초래하게 된다.In addition, the clay, which has been used for the manufacture of bricks, tows, and ceramics in the present invention, is a monronite or kaorin substance, and has a viscous force due to proper moisture, and when dried and roasted, it is durable. It is used to help the cohesion of ocher soil and lithium feldspar. If the content is less than 3% by weight, the cohesiveness of ocher soil and lithium feldspar is reduced, and when it exceeds 7% by weight, the coagulant of ocher soil and lithium feldspar is used. It does not work and causes an abnormal change in self-center, which causes brittleness of the container.

더욱이, 반토혈암은 화학성분이 규석과 알루미나 등으로 조성되면서 일반적으로 무색이며 가열하면 450℃에서 탈수가 일어나고, 650∼700℃에서 알루미나로 전이하기 시작하여 1200℃이상에서 안정화되는 미세 내열성 물질로 급열급냉시나 충격강도, 인장강도, 경도, 화학적 내구력, 내풍화성이 높은 것으로 알려져 있다.Moreover, alumina shale is generally colorless, with chemical composition composed of silica and alumina, and dehydrated at 450 ℃ when heated, and rapidly heats as a fine heat resistant material that starts to transition to alumina at 650 ~ 700 ℃ and stabilizes at 1200 ℃ or higher. It is known to be high in quenching, impact strength, tensile strength, hardness, chemical durability, and weathering resistance.

이때, 반토혈암은 채움재로서 황토흙과 리듐장석의 입자간 공간을 채워 그 혼합물을 안정화시키는 동시에 황토흙의 입자를 피복하여 내열성을 증대시키게 되지만, 그 함량이 2중량%의 미만일 경우 고온에서 황토흙과 리듐장석의 혼합물이 유동하거나 연화될 뿐만 아니라 황토흙의 내열성이 저하되는 문제가 있고, 5중량%를 초과할 경우 점토와 같이 자기중심의 이상변화를 일으켜 용기의 취성을 유발하게 된다.At this time, the alumina shale fills the space between the particles of loess soil and lithium feldspar as a filling material to stabilize the mixture and to coat the particles of loess soil to increase the heat resistance, but when the content is less than 2% by weight of loess soil at high temperature A mixture of and lithium feldspar may not only flow or soften, but also lower the heat resistance of the ocher soil, and when it exceeds 5% by weight, an abnormal change in the center of gravity, such as clay, causes brittleness of the container.

특히, 점토와 반토혈암은 소성과정에서 황토흙과 리듐장석의 뮬라이트(Mullite)화의 촉매역활을 하게 된다.In particular, clay and alumina shale serve as a catalyst for mullite formation of loess soil and lithium feldspar during firing.

한편, 150메시의 채에 의해 걸러진 후, 상기의 조성비로 혼합된 황토흙, 리듐장석, 점토, 반토혈암의 소지들을 용기로 1차성형한 다음, 건조하여 재손질의 작업을 거쳐 도자기굽는 방법과 동일한 초벌구이를 하게 된다.On the other hand, after filtering by a mesh of 150 mesh, primary clay molds of clay soil, lithium feldspar, clay, and alumina shale mixed in the above composition ratio are first molded into a container, and then dried and reworked to bake ceramics. The same roasting is done.

그리고, 참나무나 소나무류 또는 곡식류의 풀 등을 태워 만든 재를 물토(화도가 약한 흙류로 소나무 등의 침엽수림뿌리 근처에서 채취한다)와 물 등과 혼합하여 섞은 무공해의 재유(災油)를 만들어 초벌구이한 용기에 시유하게 된다.Then, ashes made by burning oak, pine or grain grasses are mixed with water soil (cold soil is collected near coniferous roots such as pine trees) and water to make unpolluted ash oil mixed with water and roasted. It is oiled in a container.

또한, 가스가마에서 15시간동안 1250∼1310℃까지 소성하게 되는데, 이때 700℃이상에서 리듐성분의 도움으로 규석과 알루미나가 전이되면서 새로운 β-스파주민(Spodumene)을 생성한 후, 뮬라이트화가 촉진되어 열에 강한 조직을 만들게 되고, 이러한 소성과정을 거친 다음 천천히 식히게 되는데, 이러한 과정을 거쳐야 용기의 수명이 길어지게 된다.In addition, it is calcined at 1250 to 1310 ° C. for 15 hours in a gas kiln. At this time, silica and alumina are transferred with the help of the lithium component at 700 ° C. or higher to generate new β-spaminene, and the mullite is promoted. Heat-resistant tissues are formed, and after this firing process, it cools slowly, which leads to longer life of the container.

본 발명은 황토흙과 리듐장석, 점토, 반토혈암의 소지로 조성되어 황토흙의 약리작용 및 색감을 살리면서 급열급냉에서도 갈라짐이 없이 견딜 수 있는 내구성을 갖게 되고, 조리용기로 사용시 무공해의 위생적이라는 효과를 제공하게 된다.The present invention is composed of ocher soil and feldspar, clay, alumina shale possessing the pharmacological action and color of the ocher soil, while having durability to withstand cracking and quenching without cracking, and when used as a cooking container, it is hygienic and hygienic. Will provide an effect.

Claims (1)

황토흙 40∼50중량%, 리듐장석 50∼55중량%, 점토 3∼7중량%, 반토혈암 2∼5중량%로 조성되는 것을 특징으로 하는 황토내열용기.Ocher soil 40-50% by weight, lithium feldspar 50-55% by weight, clay 3-7% by weight, alumina heat container, characterized in that composed of 2 to 5% by weight of alumina shale.
KR1019990053633A 1999-11-22 1999-11-22 Heat-resistant loess vessel KR100322961B1 (en)

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KR20050062667A (en) * 2003-12-19 2005-06-27 요업기술원 Mullite based under-floor heating panel using high alumina shale

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