KR102034345B1 - Ocher board for floor heating and its manufacturing method - Google Patents

Ocher board for floor heating and its manufacturing method Download PDF

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KR102034345B1
KR102034345B1 KR1020170081521A KR20170081521A KR102034345B1 KR 102034345 B1 KR102034345 B1 KR 102034345B1 KR 1020170081521 A KR1020170081521 A KR 1020170081521A KR 20170081521 A KR20170081521 A KR 20170081521A KR 102034345 B1 KR102034345 B1 KR 102034345B1
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weight
board
parts
ocher
cutting
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KR20190001659A (en
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정의국
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정의국
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/08—Flooring or floor layers composed of a number of similar elements only of stone or stone-like material, e.g. ceramics, concrete; of glass or with a top layer of stone or stone-like material, e.g. ceramics, concrete or glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/002—Producing shaped prefabricated articles from the material assembled from preformed elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/50—Producing shaped prefabricated articles from the material specially adapted for producing articles of expanded material, e.g. cellular concrete
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/10—Clay
    • 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
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/85—Coating or impregnation with inorganic materials
    • C04B41/87—Ceramics
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02038—Flooring or floor layers composed of a number of similar elements characterised by tongue and groove connections between neighbouring flooring elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/022—Flooring consisting of parquetry tiles on a non-rollable sub-layer of other material, e.g. board, concrete, cork
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/02—Specially adapted covering, lining or flooring elements not otherwise provided for for accommodating service installations or utility lines, e.g. heating conduits, electrical lines, lighting devices or service outlets
    • E04F2290/023—Specially adapted covering, lining or flooring elements not otherwise provided for for accommodating service installations or utility lines, e.g. heating conduits, electrical lines, lighting devices or service outlets for heating

Abstract

본 발명은 황토분말50~80중량부, 에틸렌비닐아세테이트 100중량부. 저밀도폴리에틸렌(LDPE) 펠렛 15~25중량부, 발포제2~3중량부, 산화아연 분말 2~3중량부, 경화제 1~2중량부, 스테아린산 1~2중량부를 혼합하고 130~200℃ 압출기에서 압출한 후, 원하는 두께를 이루도록 압연롤러를 통과한 보드 표면에 끼움홈(42)을 성형한 황토보드(40);
황토보드(40) 표면에 세라믹액을 도포하여 소성시킨 세라믹층(50); 및
황토보드(40)가 조립식으로 연장되어 이어지게 테두리에 형성한 홈부를 포함하는 바닥난방용 황토보드 및 그 제조방법 이다.The present invention is 50 to 80 parts by weight of ocher powder, 100 parts by weight of ethylene vinyl acetate. 15 to 25 parts by weight of low density polyethylene (LDPE) pellets, 2-3 parts by weight of blowing agent, 2 to 3 parts by weight of zinc oxide powder, 1 to 2 parts by weight of hardener, 1 to 2 parts by weight of stearic acid, and extruded at 130 to 200 ° C extruder After that, the ocher board 40 formed a fitting groove 42 on the surface of the board passing through the rolling roller to achieve a desired thickness;
A ceramic layer 50 baked and coated with a ceramic liquid on the surface of the ocher board 40; And
The ocher board 40 is a floor heating ocher board including a groove formed on the rim to extend prefabricated and the manufacturing method thereof.

Description

바닥난방용 황토보드 및 그 제조방법{Ocher board for floor heating and its manufacturing method}Ocher board for floor heating and its manufacturing method

본 발명은 바닥난방용 황토보드 및 그 제조방법에 관한 것이다.The present invention relates to a floor heating loess board and a method of manufacturing the same.

한반도를 비롯한 중국의 화북지방 황하 연안 등 주로 동북아에 집중적으로 분포되어 있는 황토는 주로 석영을 함유하면서 그 밖에 휘석, 각섬석 등을 함유하는 황갈색 석회질로서, 실리카(SiO2) 60∼65%, 철분 5∼6%, 알루미나(Al2O3) 10∼13%, 마그네슘(Mg)과 나트륨(Na) 각 2% 내외, 칼리 1.5%, 석회 8% 내외의 화학적 조성을 가지며, 분해력, 자정력, 흡수력 등이 뛰어나며 인체에 유익한 약성을 갖는 것으로 알려져 왔다. 이에, 예로부터 가옥의 재료로서 중요하게 쓰여졌으며, 식기나 기구로 만들어져 생활의 도구로도 활용되었다. 그 뿐 아니라, 황토는 해독과 질병 치료에도 탁월한 약효를 가지고 있어 동양의학에서는 중요한 약제로 쓰여졌다.Ocher is mainly distributed in Northeast Asia, such as the Korean Peninsula and the Yellow River coast of China's North China. It is a yellowish brown lime that contains quartz and other fluorite and hornblende. It is 60 ~ 65% of silica (SiO2) and 5 ~ iron. 6%, alumina (Al2O3) 10-13%, magnesium (Mg) and sodium (Na) each 2%, Kali 1.5%, lime 8% of the chemical composition, excellent decomposition, self-cleaning, absorption, etc. It has been known to have beneficial weakness. Therefore, it has been used importantly as a material for houses since ancient times, and was used as a tool of living by making dishes and utensils. In addition, ocher has excellent efficacy in treating detoxification and disease, so it is used as an important medicine in oriental medicine.

대표적인 동양 의서들인 본초강목(本草綱木), 동의보감(東醫寶鑑) 및 향약집성방 등에는 황토가 본디 색을 지닌 흙으로 약성이 가장 뛰어나 널리 중요하게 쓰이는 것으로서, 맛은 달고 독이 없으며 부인병(婦人病)과 소아병(小兒病)에 탁월한 효능이 있다고 기록되어 있다. 또한, 본초강목의 중수부편에는 황토에 물을 부어 우러나온 물을 지장(地漿) 또는 토장(土漿)이라 하며, 이는 각종 독을 해독하고 마음을 안정시키는 효능이 있다고 기록되어 있다.The main oriental texts, such as Boncho River Mok, Dongbobogam and Hyangyakseongbang, are the most commonly used clays with ocher color. ) And pediatric diseases (小兒 病) is said to have excellent efficacy. In addition, the heavy water part of the herbaceous wood is called Jijang or Sojang, which is poured from the ocher to pour water, and it is recorded that it is effective in detoxifying various poisons and stabilizing the mind.

최근에 들어서는 황토에 대한 과학적 규명에 많은 연구가 이루어져 황토가 많은 양의 원적외선을 방출하고 유해전자파를 차단할 수 있으며, 황토 한 숟갈에는 수 억 마리의 미생물과 다양한 효소들이 촘촘히 들어 있어 이들이 순환작용을 하여 여러 면에서 인체에 매우 유익한 영향을 준다는 것이 과학적으로도 입증되었다. 이에, 황토가 침구용 매트, 황토 침대 등의 생활가구나 음식 조리용 용기 또는 건축용 내, 외장재나 온돌 등과 같은 생활용품의 소재로서 각광받고 있으며, 그 활용범위도 급속히 늘어나는 추세에 있다.In recent years, scientific research on ocher has been carried out a lot of research, and the ocher can emit a large amount of far-infrared rays and block harmful electromagnetic waves, and each spoon of ocher contains hundreds of millions of microorganisms and various enzymes, In many ways, it has been scientifically proven to have a very beneficial effect on the human body. Thus, ocher has been spotlighted as a material for living furniture, such as bedding mats, ocher beds, food containers for building or building, interior materials, exterior materials, and ondol, and the range of their application is also rapidly increasing.

한편, 순수한 황토는 열전도성과 축열성이 떨어지는 데다 물에 혼합된 상태에서는 점도(粘度)가 너무 커서 특정한 형상으로 성형하기 어렵고, 양생 후에는(수분이 증발되고 나면) 표면에 균열이 생기기 때문에 그 자체만으로는 제품화되기 어렵다는 문제점이 있다.Pure loess, on the other hand, is poor in thermal conductivity and heat storage, and in the state of mixing with water, its viscosity is so large that it is difficult to be molded into a specific shape, and after curing (after moisture evaporates), the surface itself is cracked. There is a problem that it is difficult to commercialize alone.

이에, 종래에는 황토에 시멘트, 석회, 모래 또는 기타의 돌가루 등과 같은 다른 재료들과 혼합하여 반죽한 다음 그것을 특정한 틀에 넣고 양생한 황토 제품(예: 황토 매트, 각종 음식용기, 건축 내장재(황토보드) 등)들이 사용되어 왔다.Thus, conventionally, ocher products are mixed with other materials such as cement, lime, sand or other stone powder, and then kneaded in a specific mold and cured ocher products (e.g., ocher mats, various food containers, building interior materials (ocher) Boards, etc.) have been used.

이와 같이, 건축재료로서 황토는 인간에게 유리한 많은 장점을 가지고 있다. 따라서, 이를 이용하여 무공해성, 인간 친화적인 건축자재용 황토보드를 저가의 비용으로 제조할 수 있는 기술이 요구된다. 또한, 황토를 이용하여 건축재료를 제조할 경우, 기존의 석고보드에 비해 무겁고, 깨지기 쉬우며, 단열성이 저하되고, 작업현장에서의 용이한 절단 작업 등이 문제가 되기 때문에 이러한 문제점을 극복할 수 있는 기술이 시급히 요구되고 있는 실정이다.As such, ocher as a building material has many advantages for humans. Therefore, there is a need for a technology that can produce a low-cost ocher board for a pollution-free, human-friendly building materials using it. In addition, when manufacturing building materials using loess, this problem can be overcome because of heavy, fragile, low insulation, and easy cutting work in the workplace compared to conventional gypsum board. There is an urgent need for technology.

황토매트에 관한 기술로는 도 1 의 국내공개특허10-2009-0108299호에서와 같이, 황토분말 85중량%와 에틸렌 비닐 아세트산(EVA: Ethylene Vinyl Acetate) 수지 100중량부에 디부틸프탈레이트(DBP: Di-n-Butyl-Phthalate) 수지 15중량부로 이루어진 혼합수지 15중량%를 혼합하여 고압압출기로 뽑아낸 후, 롤러에 의해서 압착시켜 황토판체(1)를 형성한 후, 상기 황토판체(1)를 일정기간 자연양생 후, 상기 황토판체(1)에 100중량부에 대하여 이산화티탄(TiO2) 수지를 2∼3회 도포하여 코팅층(2)을 형성하여 황토판재(P)를 제조하고, 알루미늄을 발포시켜 알루미늄패널(A)을 제조하며, 상기 황토판재(P) 간에 알루미늄패널(A)을 삽입하고, 압착시켜 황토매트(M)를 제조하는 기술이 알려졌다. 그러나 이러한 기술은 알루미늄패널(A)을 필수로 사용하여야 하므로 고가이고, 황토의 양이 수지의 4배 이상 첨가되어 거의 성형이 어렵거나 성형이 되어도 쉽게 부서지는 문제점을 가진다.As for the technology related to the ocher mat, dibutyl phthalate (DBP: 85 parts by weight of ocher powder and 100 parts by weight of ethylene vinyl acetate (EVA) resin, as shown in Korean Patent Publication No. 10-2009-0108299 of FIG. After mixing 15% by weight of a mixed resin consisting of 15 parts by weight of a Di-n-Butyl-Phthalate) resin, and extracting it with a high-pressure extruder, it is compressed by a roller to form the ocher plate body (1), and then the ocher plate body (1). After natural curing for a certain period of time, the titanium dioxide (TiO2) resin is applied to the ocher plate body 1 with respect to 100 parts by weight two to three times to form a coating layer (2) to prepare the ocher plate material (P), and foamed aluminum To produce an aluminum panel (A), inserting the aluminum panel (A) between the ocher plate material (P), it is known that the technology for producing the ocher mat (M). However, this technique is expensive because the aluminum panel (A) must be used as essential, and the amount of ocher is more than four times the amount of the resin, which is almost difficult to mold or easily broken even if molded.

또한 국내특허등록10-1093041호는 황토 첨가량이 다른 첨가제 성분의 2배 이상이 첨가되어 소위 벽돌 같은 형태로 이루어지는 것으로, 쿠션이 있는 바닥난방제로는 적합하지 않다.In addition, the Korean Patent Registration No. 10-1093041 is made of a so-called brick-like form by adding more than twice the amount of the additives of the ocher added, it is not suitable as a cushion floor heating.

또한 국내특허등록등록 제 10-0731890호는 황토의 첨가량이 액상혼합물과 동량이거나 그 이상 첨가하는 기술이 알려졌으나 이 역시 딱딱한 황토보드를 제공하려는 것으로, 부드러운 황토보드의 기술은 알려진바 없다. Also, Korean Patent Registration No. 10-0731890 discloses a technique in which the amount of ocher added is equal to or higher than the amount of liquid mixture, but this is also to provide a hard loess board, and a technology of soft ocher board is not known.

본 발명은 이를 해결하고자 하는 것으로, 본 발명의 목적은 쿠션감이 있는 황토보드에 초기 바닥 난방시 표면에서 원적외선이 방출하여 열효율이 좋고 인체 건강에도 유익한 바닥난방용 황토보드를 제공하려는 것이다.The present invention is to solve this problem, an object of the present invention is to provide a floor heating ocher board with good thermal efficiency and good thermal efficiency by emitting far infrared rays from the surface during the initial floor heating on the ocher board with a cushion.

본 발명의 다른 목적은 쿠션감이 있는 황토보드 표면에 강도가 있는 세라믹층을 얇게 코팅 및 경화시키고, 이를 다시 입자 형태로 절단홈을 부가하여 사용자하중에 의하여 눌리어도 입자화된 세리믹층이 황토보드 표면과 함께 눌리어졌다가 다시 복원되도록 하여 내구성을 증진시킨 바닥난방용 황토보드를 제공하려는 것이다.Another object of the present invention is to coat and harden the ceramic layer having a strong strength on the surface of the ocher board with a cushioning feeling, and to add it to the cutting groove in the form of particles again, the ceramic layer granulated even when pressed by the user load It is intended to provide a floor heating ocher board which is pressed together with the board surface and then restored to improve durability.

본 발명의 다른 목적은 쿠션감이 있는 황토보드에 첨가하는 황토의 입자와 첨가량을 달리하여 황토와 첨가되는 수지 간의 결착력을 증대시켜 쿠션감이 있으면서도 황토는 결착상태를 유지하여 황토 고유의 기능이 시간이 지나도 일정하게 유지되도록 하는 바닥난방용 황토보드를 제공하려는 것이다.Another object of the present invention is to increase the binding force between the ocher and the added resin by varying the amount of ocher particles and the amount of ocher added to the cushioning ocher board, while the ocher has a cushioning state and maintains the binding state. It is to provide a floor heating ocher board to be kept constant even after this.

이를 위하여 본원발명은 황토분말50~80중량부, 에틸렌비닐아세테이트 100중량부. 저밀도폴리에틸렌(LDPE) 펠렛 15~25중량부, 발포제2~3중량부, 산화아연 분말 2~3중량부, 경화제 1~2중량부, 스테아린산 1~2중량부를 혼합하고 130~200℃ 압출기에서 압출한 후, 원하는 두께를 이루도록 압연롤러를 통과한 보드 표면에 끼움홈을 성형하며 쿠션감 있는 황토보드;To this end, the present invention is 50 to 80 parts by weight of ocher powder, 100 parts by weight of ethylene vinyl acetate. 15 to 25 parts by weight of low density polyethylene (LDPE) pellets, 2-3 parts by weight of blowing agent, 2 to 3 parts by weight of zinc oxide powder, 1 to 2 parts by weight of hardener, 1 to 2 parts by weight of stearic acid, and extruded at 130 to 200 ° C. After that, to form a fitting groove on the surface of the board passing through the rolling roller to achieve the desired thickness and cushioning loess board;

황토보드 표면에 세라믹액을 도포하여 소성시킨 세라믹층; 및A ceramic layer coated by applying a ceramic liquid on the surface of the ocher board and baking; And

황토보드가 조립식으로 연장되어 이어지게 테두리에 형성한 홈부를 포함하고;
상기 세라믹층에는 일정 간격으로 절단홈을 형성한 바닥난방용 황토보드를 제공한다.The ocher board includes a groove formed in the rim to extend prefabricated;
The ceramic layer provides a floor heating ocher board formed with a cutting groove at a predetermined interval.

본 발명의 제조방법은 황토분말50~80중량부, 에틸렌비닐아세테이트 100중량부. 저밀도폴리에틸렌(LDPE) 펠렛 15~25중량부, 발포제2~3중량부, 산화아연 분말 2~3중량부, 경화제 1~2중량부, 스테아린산 1~2중량부를 혼합하고 130~200℃ 압출기에서 압출한 후, 원하는 두께를 이루도록 가열롤러를 통과하는 보드성형과정;The manufacturing method of the present invention is 50 to 80 parts by weight of ocher powder, 100 parts by weight of ethylene vinyl acetate. 15 to 25 parts by weight of low density polyethylene (LDPE) pellets, 2-3 parts by weight of blowing agent, 2 to 3 parts by weight of zinc oxide powder, 1 to 2 parts by weight of hardener, 1 to 2 parts by weight of stearic acid, and extruded at 130 to 200 ° C. After that, the board forming process passing through the heating roller to achieve the desired thickness;

보드 성형과정 후 원하는 길이와 폭으로 절단하는 절단과정;A cutting process of cutting the desired length and width after forming the board;

절단과정 후 50~60℃로 냉각한 상태에서 표면이 100~120℃로 가열된 돌출부를 가지는 금형으로 3~5초 눌러 온수관용 끼움홈을 성형하고 급속 냉각하는 끼움홈 성형과정;After the cutting process in the state of cooling to 50 ~ 60 ℃ by pressing a mold for 3 to 5 seconds with a mold having a surface heated to 100 ~ 120 ℃ forming grooves for hot water pipe fitting and rapid cooling;

이어 테두리에 좌우로 연결하여 조립되도록 홈부를 성형하는 테두리 성형과정을 수행한다.Then, the edge forming process of forming the groove to be assembled by connecting left and right to the edge is performed.

이상과 같이 본원발명은 쿠션감이 있는 황토보드에 초기 바닥 난방시 표면에서 원적외선이 방출하여 열효율이 좋고 인체 건강에도 유익한 바닥난방용 황토보드를 제공한다.As described above, the present invention provides a floor heating ocher board having good thermal efficiency and good thermal efficiency by emitting far infrared rays from the surface during initial floor heating.

본 발명은 쿠션감이 있는 황토보드 표면에 강도가 있는 세라믹층을 얇게 코팅 및 경화시키고, 세라믹층이 다시 입자 형태를 이루도록 세라믹층에 절단홈을 부가하여 사용자 하중에 의하여 눌리어도 입자화된 세리믹층이 황토보드 표면과 함께 눌리어졌다가 다시 복원되도록 하여 내구성을 증진시킨다.The present invention is thinly coated and cured the ceramic layer having a strong strength on the surface of the ocher board with a cushion, and added a cutting groove to the ceramic layer so that the ceramic layer is in the form of particles again. The mix layer is pressed together with the ocher board surface and then restored to enhance durability.

본 발명은 쿠션감이 있는 황토보드에 첨가하는 황토의 입자와 첨가량을 달리하여 황토와 첨가되는 수지 간의 결착력을 증대시켜 쿠션감이 있으면서도 황토는 결착상태를 유지하여 황토 고유의 기능이 시간이 지나도 일정하게 유지되도록 한다.The present invention increases the binding force between the ocher and the added resin by varying the amount of the ocher particles and the amount of the ocher added to the cushioning ocher board, while the ocher has a cushioning state, so that the ocher's unique function is constant over time. To be maintained.

도 1은 일반적인 황토보드의 단면도,
도 2는 본 발명의 황토보드 평면도,
도 3은 본 발명의 조립상태를 보이는 평면도,
도 4는 본 발명에 온수관을 설치하는 경우를 보이는 부분 확대도,
도 5는 본 발명의 온수관을 설치하는 예를 보이는 단면도,
도 6은 본 발명의 황토보드 표면에 소성시킨 세라믹층을 절단하는 예를 보인 설명도,
도 7은 본 발명의 공정도,
도 8은 본 발명의 다른 예를 보인 황토보드의 배열도,
도 9는 도 8의 방식으로 바닥을 설치하는 예를 보인 설명도 이다.1 is a cross-sectional view of a typical ocher board,
2 is a top view of the loess board of the present invention,
3 is a plan view showing the assembled state of the present invention,
4 is a partially enlarged view showing a case where the hot water pipe is installed in the present invention;
5 is a cross-sectional view showing an example of installing the hot water pipe of the present invention;
6 is an explanatory view showing an example of cutting a ceramic layer fired on the ocher board surface of the present invention,
7 is a process chart of the present invention;
8 is an arrangement of the ocher board showing another example of the present invention,
9 is an explanatory diagram showing an example of installing the floor in the manner of FIG.

이하 본원발명의 실시예를 도면을 참조하여 설명한다.Hereinafter, embodiments of the present invention will be described with reference to the drawings.

본 발명의 바닥난방용 황토보드는 황토분말50~80중량부, 에틸렌비닐아세테이트 100중량부. 저밀도폴리에틸렌(LDPE) 펠렛 15~25중량부, 발포제2~3중량부, 산화아연 분말 2~3중량부, 경화제 1~2중량부, 스테아린산 1~2중량부를 혼합하고 130~200℃ 압출기에서 압출한 후, 원하는 두께를 이루도록 압연롤러를 통과한 보드 표면에 끼움홈(42)을 성형한 황토보드(40);The floor heating ocher board of the present invention is 50 to 80 parts by weight of ocher powder, 100 parts by weight of ethylene vinyl acetate. 15 to 25 parts by weight of low density polyethylene (LDPE) pellets, 2-3 parts by weight of blowing agent, 2 to 3 parts by weight of zinc oxide powder, 1 to 2 parts by weight of hardener, 1 to 2 parts by weight of stearic acid, and extruded at 130 to 200 ° C. After that, the ocher board 40 formed a fitting groove 42 on the surface of the board passing through the rolling roller to achieve a desired thickness;

황토보드(40) 표면에 세라믹액을 도포하여 소성시킨 세라믹층(50); 및A ceramic layer 50 baked and coated with a ceramic liquid on the surface of the ocher board 40; And

황토보드(40)가 조립식으로 연장되어 이어지게 테두리에 형성한 홈부를 포함하도록 구성한다.The ocher board 40 is configured to include a groove formed in the rim so as to extend prefabricated.

상기, 세라믹액은

Figure 112017061802649-pat00001
인 것을 예시할 수 있다.The ceramic liquid
Figure 112017061802649-pat00001
Can be illustrated.

상기, 세라믹층(50)에는 일정 간격으로 절단되는 절단홈(52)을 형성한다.The ceramic layer 50 is formed with a cutting groove 52 is cut at a predetermined interval.

본 발명의 제조방법은 황토분말50~80중량부, 에틸렌비닐아세테이트 100중량부. 저밀도폴리에틸렌(LDPE) 펠렛 15~25중량부, 발포제2~3중량부, 산화아연 분말 2~3중량부, 경화제 1~2중량부, 스테아린산 1~2중량부를 혼합하고 130~200℃ 압출기에서 압출한 후, 원하는 두께를 이루도록 가열롤러를 통과하는 보드성형과정;The manufacturing method of the present invention is 50 to 80 parts by weight of ocher powder, 100 parts by weight of ethylene vinyl acetate. 15 to 25 parts by weight of low density polyethylene (LDPE) pellets, 2-3 parts by weight of blowing agent, 2 to 3 parts by weight of zinc oxide powder, 1 to 2 parts by weight of hardener, 1 to 2 parts by weight of stearic acid, and extruded at 130 to 200 ° C. After that, the board forming process passing through the heating roller to achieve the desired thickness;

보드 성형과정 후 원하는 길이와 폭으로 절단하는 절단과정;A cutting process of cutting the desired length and width after forming the board;

절단과정 후 50~60℃로 냉각한 상태에서 표면이 100~120℃로 가열된 돌출부를 가지는 금형으로 3~5초 눌러 온수관용 끼움홈(42)을 성형하고 급속 냉각하는 끼움홈 성형과정;After the cutting process in the state of cooling to 50 ~ 60 ℃ pressing the surface for 3 ~ 5 seconds into a mold having a protrusion heated to 100 ~ 120 ℃ forming grooves for hot water pipe fitting groove 42 and rapid cooling;

이어 테두리에 좌우로 연결하여 조립되도록 홈부(47)를 성형하는 테두리 성형과정을 수행한다.Subsequently, the edge forming process of forming the groove 47 to be assembled by connecting left and right to the edge is performed.

본 발명에서의 황토분말은 100~200메쉬와, 201~400메쉬와, 401~600메쉬가 1:2:3 비율로 첨가하는 것이 좋은바, 이는 EVA와 LDPE가 용융되어 황토분말과 혼합되고 발포될 때 쿠션을 유지하면서 강도를 유지하도록 황토분말 입도를 달리하여 결착 강도를 증진시켜 소위 강섬유 같은 기능을 제공하기 위함이다.In the present invention, the ocher powder may be added in a ratio of 100 to 200 mesh, 201 to 400 mesh, and 401 to 600 mesh in a ratio of 1: 2: 3, which is melted EVA and LDPE, mixed with the ocher powder and foamed. This is to provide a so-called steel fiber-like function by increasing the binding strength by changing the particle size of the ocher powder to maintain the strength when maintaining the cushion when.

본 발명에서의 황토분말 첨가량이 50중량부 미만이면 황토 첨가 효과가 없고, 80중량부를 초과하면 쿠션감이 떨어지고 형태유지와 성형성이 어렵다.If the amount of ocher powder added in the present invention is less than 50 parts by weight, there is no effect of adding ocher, and if it exceeds 80 parts by weight, the cushioning feeling is lowered and the shape retention and formability are difficult.

본 발명에서의 발포제는 (주) 금양의 CELLCOM-JTR을 들 수 있으나 이에 한정하지는 않는다. 본 발명에서의 경화제는 DCP(DiCalcium Phosphate;CaHPO4)를 들 수 있다.The blowing agent in the present invention may include, but is not limited to, CELLCOM-JTR of Geumyang. The hardening | curing agent in this invention is DCP (DiCalcium Phosphate; CaHPO4).

상기, 끼움홈 성형과정에 이어 세라믹액

Figure 112019058533895-pat00002
을 0.01~0.1mm 표면에 도포 후 160~260℃ 열기를 표면에 2~3초 공급하여 세라믹층을 소성하는 세라믹층 성형과정을 더 수행한다. 160~260℃ 열기를 표면에 2~3초 공급하는 이유는 소성 온도는 유지하되 황토보드 표면이 가열에 의하여 변하는 것은 막아주는 온도와 조건과 세라믹액 코팅두께를 수 많은 시험 끝에 찾은 값이다. 이는 표면에 0.01~0.1mm 를 이루도록 얇게 도포 하였기에 짧은 시간 가열에도 세라믹층으로 소성이 완성되는 것으로 판단된다.The ceramic liquid following the fitting groove forming process
Figure 112019058533895-pat00002
After the coating on the surface 0.01 ~ 0.1mm and supplying 160 ~ 260 ℃ heat to the surface for 2 to 3 seconds to perform a ceramic layer molding process for firing the ceramic layer. The reason for supplying 160 ~ 260 ℃ heat to the surface for 2 ~ 3 seconds is to find the temperature and condition that keep the firing temperature but prevent the surface of ocher board from changing by heating and the thickness of ceramic liquid coating after many tests. This is applied to the surface to form a thin 0.01 ~ 0.1mm it is judged that the firing is completed in the ceramic layer even after a short time heating.

상기, 세라믹층 성형과정 후, 세라믹층을 0.1~0.5mm로 절단시키는 절단홈을 이루도록 표면에 절단칼(56)을 가지는 절단롤(55)을 도 6 과 같이 황토보드(40)가 통과하는 절단롤과정을 더 수행한다.After the ceramic layer forming process, the cutting roll 55 having a cutting knife 56 on the surface to make a cutting groove for cutting the ceramic layer to 0.1 ~ 0.5mm as shown in Figure 6 cut through the ocher board 40 Perform further roll process.

상기, 절단롤과정은 절단칼(56)이 절단롤(55)의 길이방향으로 설치되고, 절단칼(56)은 절단롤(55)의 외주면에 일정 각도로 돌출되어 직경방향으로 세라믹층(50)을 절단하는 제 1절단롤과, 절단칼(56)이 원주방향으로 일정 길이마다 돌출되어 길이방향으로 다시 절단하는 제 2절단롤을 순차 통과하는 과정을 수행하여 펠릿 형태로 절단시키는 것이 좋다.In the cutting roll process, the cutting knife 56 is installed in the longitudinal direction of the cutting roll 55, and the cutting knife 56 protrudes at an angle to the outer circumferential surface of the cutting roll 55 to form the ceramic layer 50 in the radial direction. 1) and the second cutting roll 56 is protruded at a predetermined length in the circumferential direction and cut again in the longitudinal direction.

본 발명에 사용되는 황토보드(40)는 표면에 세라믹층(50)이 균일하게 코팅되고, 코팅된 표면은 끼움홈(42)을 이루고 있다. 끼움홈(42)은 도 2 및 도 4 와 같이 가로홈(42-1)과 세로홈(42-2)이 교차하는 교차부위에 대응하는 사각부(45) 모서리는 만곡부(46)를 이루고, 만곡부(46)에 대응하는 끼움홈(42) 부위에는 만곡홈(43)만큼 넓어지므로, 온수관(10)이 만곡부(46)를 지나면서 거의 90도 각도로 꺽이지 않고 절곡되고, 이러한 절곡을 가능토록 만곡홈(43)이 추가로 형성되므로 온수관(10)이 거의 90도로 절곡되어도 꺽이지 않고 끼움홈(42)에 끼워 사용 가능토록 한다. In the ocher board 40 used in the present invention, the ceramic layer 50 is uniformly coated on the surface, and the coated surface forms the fitting groove 42. 2 and 4, the fitting groove 42 forms a curved portion 46 at the corners of the rectangular portions 45 corresponding to the intersections where the horizontal grooves 42-1 and the vertical grooves 42-2 intersect. Since the fitting groove 42 corresponding to the curved portion 46 is widened by the curved groove 43, the hot water pipe 10 is bent at an almost 90-degree angle while passing through the curved portion 46. Since the curved groove 43 is additionally formed, the hot water pipe 10 can be inserted into the fitting groove 42 without being folded even when the hot water pipe 10 is bent at almost 90 degrees.

아울러 황토보드(40)의 테두리에 돌출된 돌기부를 다른 황토보드(40)의 연결홈에 끼워 도 3과 같이 조립하는 방식이므로 별도의 도구 없이 조립 사용 가능하여 조립설치가 용이하다.In addition, the projections protruding from the rim of the ocher board 40 are inserted into the connection grooves of other ocher boards 40 so as to be assembled as shown in FIG.

이와 같이 설치한 본원발명은 끼움홈(42)에 온수관(42)을 끼워 설치하면 온수관(42)의 발열이 표면에 균일하게 코팅한 세라믹층(50)을 우선 가열하고, 세라믹층은 가열시 원적외선이 방출되어 전열효과가 높게되고, 동시에 인체에도 전도되어 인체 온도 상승 효과에 기여하므로 발열효과를 상승시켜 에너지 절감효과를 제공하게 된다. 이 경우 본원발명의 황토보드(40)는 온수관(42)에 의한 초기 가열시에는 세라믹층(50)에서 일차로 원적외선이 발산하고, 이어 황토보드(40) 전체가 가열되면 황토보드(40) 내부에 황토분말이 혼합되어 있어 황토에서 원적외선이 2차로 발산되어 인체의 가온 효과를 지속적으로 제공한다. 또한 황토는 EVA 등의 합성수지 냄새를 중화시켜, 새집 증후군과 같은 문제를 해결토록 한다.In the present invention installed as described above, when the hot water pipe 42 is inserted into the fitting groove 42, the heating of the hot water pipe 42 first heats the ceramic layer 50 uniformly coated on the surface, and the ceramic layer is heated. Since the cool infrared radiation is emitted, the heat transfer effect is high, and at the same time, it is also conducted to the human body, contributing to the temperature increase effect of the human body, thereby increasing the heat generation effect and providing energy saving effect. In this case, the ocher board 40 of the present invention primarily emits far infrared rays from the ceramic layer 50 during the initial heating by the hot water pipe 42, and then the ocher board 40 when the whole ocher board 40 is heated. Ocher powder is mixed inside, so far infrared rays are emitted secondarily from ocher to provide warming effect continuously. Ocher also neutralizes the smell of synthetic resins, such as EVA, to solve problems such as sick house syndrome.

아울러 사용자가 황토보드 위에 앉을 경우 인체의 하중에 의하여 앉는 부위가 눌리어 지더라도, 강도가 있는 세라믹층(50)은 절단홈(52)에 의하여 일정한 알갱이 같이 절단되어 있어 쿠션이 있는 황토보드(40) 일지라도 세라믹층이 알갱이로 분리되어 눌리어지고, 복원시에는 다시 동일한 표면으로 복귀하므로 쿠션이 있는 황토보드 표면에 딱딱한 세라믹층을 코팅하여도 반복적으로 사용 가능토록 작용하여 내구성을 증진시킨다. 이는 세라믹층(50)과 첨가 황토분말의 입도가 상이한 비울로 첨가한 것에 의한 결착력의 증대에 의하여 내구성이 유지되는 것으로 판단된다.In addition, even if the user sits on the ocher board, even if the seat is pressed by the load of the human body, the ceramic layer 50 having strength is cut like a regular grain by the cutting groove 52, so that the cushioned ocher board 40 Even though the ceramic layer is separated into granules and pressed, the ceramic layer is returned to the same surface when it is restored, so that even if a hard ceramic layer is coated on the cushioned ocher board surface, it can be used repeatedly to improve durability. It is determined that durability is maintained by the increase of the binding force due to the addition of the ceramic layer 50 and the ocher powder with different particle sizes.

본 발명의 황토보드의 다른 예로는 도 8 및 도 9와 같이, 황토보드(40)에는 테두리에 각각 결합용 홈부(47)를 두고, 이어지는 황토보드(40)의 다른 홈부(47)와 지그형 끼움구(48)로 끼워 이어지도록 구성한다.As another example of the ocher board of the present invention, as shown in Figs. 8 and 9, the ocher board 40 has a groove portion 47 for coupling to the rim, respectively, the other groove portion 47 and jig type of the ocher board 40 to follow It is configured to be fitted into the fitting hole 48.

상기, 황토보드(40) 표면에 끼움홈(42)과, 테두리에 홈부(47)를 이룬 중간보드(40a)와, 표면에 끼움홈(42)과 직경이 크게 형성된 만곡홈(42-3)과, 테두리에 홈부(47)를 이룬 테두리보드(40b)와, 일면에 홈부(47)를, 다른 면은 경사면(42-4)을 이룬 마감보드(40c)로 이루어진다. 물론 세라믹층(50)을 황토보드(40) 표면에 형성하는 것은 동일하나 설명의 편리상 도면에서는 생략한다.The ocher board 40, the insertion groove 42, the intermediate board 40a forming the groove portion 47 in the rim, the insertion groove 42 and the curved groove 42-3 formed in a large diameter on the surface And, a border board 40b having a groove 47 on the rim, a groove 47 on one surface, and the other end is made of a finishing board 40c on a slope 42-4. Of course, forming the ceramic layer 50 on the surface of the ocher board 40 is the same, but is omitted in the drawings for convenience of description.

이와같이 난방할 중간부분은 중간보드(40a)를 사용하여 이어지게 배열하고, 중간보드(40a)의 홈부(47)에는 끼움구(48)를 꽂아 이어지게 조립한다. 그리고 테두리부위에는 테두리보드(40b)를 위치시키고, 테두리보드(40b)의 홈부(47)에 끼움구(48)를 꽂아 결합시키고, 도어가 있는 부위에는 도어가 열리는데 방해가 되지 않도록 경사면(42-4)을 이룬 마감보드(40c)를 설치하면 좋다.In this way, the middle portion to be heated is arranged to continue using the middle board (40a), the fitting portion 48 is assembled into the groove portion 47 of the middle board (40a). And place the border board (40b) in the rim, and insert the fitting hole 48 in the groove portion 47 of the rim board (40b), and combined, and inclined surface (42-42) so as not to interfere with the door opening. 4) it is good to install a finishing board (40c) made.

이렇게 설치하고 원하는 위치에 온수관(10)을 지그 재그로 위치시키고, 테두리 부분은 만곡홈(42-3)이 있으므로 쉽게 설치가 용이하다.This installation and positioning the hot water pipe 10 to the desired position in the jig, the edge portion is easy to install because there is a curved groove (42-3).

물론 도 8과 같이 그 위에 방열판과 상부마감재를 설치하면 좋다.Of course, the heat sink and the upper finish may be installed thereon as shown in FIG. 8.

10;온수관 40;황토보드 40a;중간보드 40b;테두리보드 40c;마감보드 42;끼움홈 42-1;가로홈 42-2;세로홈42-3;만곡홈 42-4;경사면 43;만곡홈 45;사각부 46;만곡부 47;홈부 50;세라믹층 52;절단홈 55;절단롤 56;절단칼10; hot water pipe 40; ocher board 40a; middle board 40b; border board 40c; finish board 42; fitting groove 42-1; horizontal groove 42-2; vertical groove 42-3; curved groove 42-4; slope 43; curved Groove 45; Square 46; Bend 47; Groove 50; Ceramic layer 52; Cutting groove 55; Cutting roll 56; Cutting knife

Claims (9)

황토분말50~80중량부, 에틸렌비닐아세테이트 100중량부. 저밀도폴리에틸렌(LDPE) 펠렛 15~25중량부, 발포제2~3중량부, 산화아연 분말 2~3중량부, 경화제 1~2중량부, 스테아린산 1~2중량부를 혼합하고 130~200℃ 압출기에서 압출한 후, 원하는 두께를 이루도록 압연롤러를 통과한 보드 표면에 끼움홈(42)을 성형하며 쿠션감 있는 황토보드(40);
황토보드(40) 표면에 세라믹액을 도포하여 소성시킨 세라믹층(50); 및
황토보드(40)가 조립식으로 연장되어 이어지게 테두리에 형성한 홈부(47)를 포함하고;
상기, 세라믹층(50)에는 일정 간격으로 절단홈(52)을 형성한 것을 특징으로 하는 바닥난방용 황토보드.
50 to 80 parts by weight of ocher powder, 100 parts by weight of ethylene vinyl acetate. 15 to 25 parts by weight of low density polyethylene (LDPE) pellets, 2-3 parts by weight of blowing agent, 2 to 3 parts by weight of zinc oxide powder, 1 to 2 parts by weight of hardener, 1 to 2 parts by weight of stearic acid, and extruded at 130 to 200 ° C extruder Then, to form a fitting groove 42 on the surface of the board passing through the rolling roller to achieve the desired thickness and cushioning ocher board 40;
A ceramic layer 50 baked and coated with a ceramic liquid on the surface of the ocher board 40; And
The ocher board 40 includes a groove portion 47 formed in the rim to extend prefabricated;
The ocher board for floor heating, characterized in that the cutting grooves 52 are formed at a predetermined interval in the ceramic layer 50.
삭제delete 삭제delete 제 1항에 있어서, 황토보드(40)에는 테두리에 각각 결합용 홈부(47)를 두고, 이어지는 황토보드(40)의 다른 홈부(47)와 지그형 끼움구(48)로 이어지게 끼워 서로 결합 및 분리 가능토록 구성한 것을 특징으로 하는 바닥난방용 황토보드.
The ocher board 40 has coupling grooves 47 at the rims, respectively, and is connected to each other by the other grooves 47 and the jig-shaped fittings 48 of the ocher board 40, which are connected to each other. Ocher board for floor heating, characterized in that configured to be removable.
제 4항에 있어서, 황토보드(40) 표면에 끼움홈(42)을, 테두리에는 홈부(47)를 이룬 중간보드(40a)와;
표면에 끼움홈(42)과 직경이 크게 형성된 만곡홈(42-3)을, 테두리에는 홈부(47)를 이룬 테두리보드(40b)와;
일면에 홈부(47)를, 다른면은 경사면(42-4)을 이룬 마감보드(40c)로 이루어지고;
각 보드(40a,40b,40c)의 홈부(47)에는 끼움구(48)로 이어지게 끼워 서로를 결합 및 분리하는 것을 특징으로 하는 바닥난방용 황토보드.
5. The intermediate board (40a) of claim 4, wherein the ocher board (40) has a fitting groove (42) on its surface and a groove (47) at its edge;
A curved groove 42-3 having a large fitting groove 42 and a diameter formed on the surface thereof, and an edge board 40b having a groove portion 47 at the edge thereof;
A groove 47 on one surface and a finish board 40c on an inclined surface 42-4;
The ocher board for floor heating, characterized in that the groove portion 47 of each board (40a, 40b, 40c) inserted into the fitting hole 48 to join and separate each other.
황토분말50~80중량부, 에틸렌비닐아세테이트 100중량부. 저밀도폴리에틸렌(LDPE) 펠렛 15~25중량부, 발포제2~3중량부, 산화아연 분말 2~3중량부, 경화제 1~2중량부, 스테아린산 1~2중량부를 혼합하고 130~200℃ 압출기에서 압출한 후, 원하는 두께를 이루도록 가열롤러를 통과하는 보드성형과정;
보드 성형과정 후 원하는 길이와 폭으로 절단하는 절단과정;
절단과정 후 50~60℃로 냉각한 상태에서 표면이 100~120℃로 가열된 돌출부를 가지는 금형으로 3~5초 눌러 온수관용 끼움홈을 성형하고 급속 냉각하는 끼움홈 성형과정;
끼움홈 성형과정에 이어 세라믹액
Figure 112019058533895-pat00014
을 황토보드 표면에 0.01~0.1mm도포 후 160~260℃ 열기를 표면에 2~3초 공급하여 세라믹층을 소성하는 세라믹층 성형과정;
세라믹층 성형과정 후, 세라믹층을 0.1~0.5mm로 절단시키는 절단홈을 이루도록, 표면에 절단칼(56)을 가지는 절단롤(55)을 통과하는 절단롤과정; 및
이어 테두리에 좌우로 연결하여 조립되도록 홈부를 성형하는 테두리 성형과정을 수행하는 바닥난방용 황토보드 제조방법.
50 to 80 parts by weight of ocher powder, 100 parts by weight of ethylene vinyl acetate. 15 to 25 parts by weight of low density polyethylene (LDPE) pellets, 2-3 parts by weight of blowing agent, 2 to 3 parts by weight of zinc oxide powder, 1 to 2 parts by weight of hardener, 1 to 2 parts by weight of stearic acid, and extruded at 130 to 200 ° C extruder After that, the board forming process passing through the heating roller to achieve the desired thickness;
A cutting process of cutting the desired length and width after forming the board;
After the cutting process in the state of cooling to 50 ~ 60 ℃ by pressing a mold for 3 to 5 seconds into the mold having the surface heated to 100 ~ 120 ℃ forming grooves for hot water pipe fitting and rapid cooling;
Ceramic liquid following the fitting groove forming process
Figure 112019058533895-pat00014
The ceramic layer forming process of firing the ceramic layer by supplying 0.01 ~ 0.1mm to the surface of the ocher board and then supplying 160 ~ 260 ℃ heat to the surface for 2 to 3 seconds;
After the ceramic layer forming process, cutting roll passing through the cutting roll 55 having a cutting knife 56 on the surface to form a cutting groove for cutting the ceramic layer to 0.1 ~ 0.5mm; And
The ocher board manufacturing method for floor heating to perform the edge forming process for forming the groove to be assembled by connecting to the left and right edges.
삭제delete 삭제delete 제 6항에 있어서, 절단롤과정은 절단칼(56)이 절단롤(55)의 길이방향으로 설치되고, 절단칼(56)은 절단롤(55)의 외주면에 일정 각도로 돌출되어 직경방향으로 세라믹층(50)을 절단하는 제 1절단롤과, 절단칼(56)이 원주방향으로 일정 길이마다 돌출되어 길이방향으로 다시 절단하는 제 2절단롤을 순차 통과하는 과정을 수행하는 것을 특징으로 하는 바닥난방용 황토보드 제조방법.According to claim 6, the cutting roll process is a cutting knife 56 is installed in the longitudinal direction of the cutting roll 55, the cutting knife 56 is projected at an angle to the outer peripheral surface of the cutting roll 55 in the radial direction The first cutting roll for cutting the ceramic layer 50, and the cutting knife 56 is projected by a predetermined length in the circumferential direction, characterized in that the step of sequentially passing through the second cutting roll to cut again in the longitudinal direction Ocher board manufacturing method for floor heating.
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