KR20010084694A - Sprayable fireproofing composition - Google Patents
Sprayable fireproofing composition Download PDFInfo
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- KR20010084694A KR20010084694A KR1020000009902A KR20000009902A KR20010084694A KR 20010084694 A KR20010084694 A KR 20010084694A KR 1020000009902 A KR1020000009902 A KR 1020000009902A KR 20000009902 A KR20000009902 A KR 20000009902A KR 20010084694 A KR20010084694 A KR 20010084694A
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Abstract
Description
본 발명은 철골조 건축물에 있어서, 시공되는 건축물의 철골 표면에 피복되는 피복재의 제조 방법에 관한 것이다.This invention relates to the manufacturing method of the coating material coat | covered on the steel frame surface of the building to be constructed in steel-frame buildings.
철골조 건축물의 경우, 화재가 발생되어 건축물의 내부 온도가 철골의 내하중 기능 상실 온도인 섭씨 600도 가까이 상승되면 건축물이 무너지는 일이 있을 수 있다. 그리하여 철골조 건축물의 경우에 있어서는 철골의 표면에 내화재를 피복시키므로서 화재시 철골의 온도 상승을 화재 진압시 까지 지연시키지 않으면 아니된다.In the case of steel-framed buildings, a fire may occur and the building may collapse if the internal temperature of the building rises to about 600 degrees Celsius, the temperature loss capacity of the steel frame. Thus, in the case of steel-framed buildings, the fireproofing material is coated on the surface of the steel frame so that the temperature rise of the steel frame in case of fire must be delayed until the fire extinguishment.
그리하여 종래에는 고온에서도 타거나 녹지 아니하며 단열성이 좋은 팽창질석, 팽창퍼라이트, 셀루로즈 펄프, 암면, 유리섬유 등을 단열재로 하고, 이에 접착제로서 시멘트나 석고 등을 혼합하며, 혼합의 용이성 및 뿜칠 장비 사용에 따른 편리성 등을 위하여 메탈 셀루로즈, 폴리비닐 알콜 등의 첨가제를 혼합하여, 뿜칠 내화제를 제조하여 왔다. 이러한 제조 방법에 의하여 제조된 내화 피복재는, 건물의높이에 따라, 철골의 내하중 상실 온도에 이르는 시간이 화재 발생시로부터 1시간 내지 3시간 정도에 이르도록, 그 피복의 두께를 20∼50mm 정도로 형성시키게 된다.Thus, conventionally, it does not burn or melt even at high temperature, and it has thermal insulation, expanded vermiculite, expanded perlite, cellulose pulp, rock wool, glass fiber, etc. as an insulating material, and mixes cement or gypsum as an adhesive, and it is easy to mix and use a spraying equipment. For convenience, such as metal cellulose, polyvinyl alcohol and the like by mixing additives to produce a refractory agent to be sprayed. The fireproof coating material manufactured by this manufacturing method forms the thickness of the coating about 20-50 mm so that the time to reach the load-bearing temperature of steel frame may reach about 1 to 3 hours from a fire occurrence according to the height of a building. Let's go.
그런데 이와 같은 종래의 제조 방법에 의하여 제조된 내화제는 상술한 바와 같이 많은 두께의 피복을 필요로 할 뿐 아니라, 단열 효과 또한 만족할 만 하지 못하여 화재로부터의 안정성이 부족한 결점이 있었다.By the way, such a fireproofing agent manufactured by the conventional manufacturing method, as described above, not only requires a large thickness of coating, but also has a drawback in that the thermal insulation effect is not satisfactory and the stability from fire is insufficient.
이에 본 발명은, 내열 효과를 향상시킴으로서 화재 발생으로부터 철골의 내하중 상실 온도에 이르는 시간을 연장하여 진압 시까지 보다 안정적으로 철구조물을 보호할 수 있는 내화 피복제를 제공하기 위하여 창출된 것이다.Accordingly, the present invention has been made to provide a fireproof coating which can more stably protect steel structures by extending the time from the occurrence of fire to the load loss temperature of steel frame by improving the heat resistance effect.
종래의 내화 피복재는 철골과 외기 사이에 단열층을 형성시키는 정도의 기술에 머물러 왔다. 그러나, 본 발명은 철골을 피복시키는 내화제가 단순한 단열층을 제공하는 데 그치지 아니하고, 적극적으로 철골 주위의 온도를 저하시킴으로서 철골의 온도 상승시간을 지연시킬 수 있도록 하는 수단을 제공하는 데 그 목적이 있다.The conventional fire resistant coating material has stayed in the technique of the degree which forms a heat insulation layer between steel frame and external air. However, it is an object of the present invention to provide a means for delaying the temperature rise time of steel by aggressively lowering the temperature around the steel, rather than providing a simple heat insulating layer coating the steel.
본 발명자는 단열재의 접착제로서 석고를 사용하는 경우, 시멘트만을 사용하는 경우에 비하여, 철골의 온도 상승 시간이 현저히 지연됨을 알았고, 이러한 지연은 화재로 인한 온도 상승 시, 석고에 함유된 결정수(結晶水)가 방출되고, 방출되는 결정수가 기화하는 과정에서 필요로하는 기화열이 철골의 온도 상승을 지연시키는 것으로 판단되었다. 이에 본 발명자는 접착제로서 함수광물인 석고를 사용하는외에, 단열재로서도 결정수를 함유하는 함수광물을 사용하되, 특히, 비교적 저온에서 결정수가 방출되는 함수광물과 비교적 고온에서 결정수가 방출되는 함수광물을 혼합 사용함으로서 철골의 온도 상승 억제 효과를 상승시킬 수 있을 것이라고 판단하였다. 뿐만 아니라 이러한 피복재는 비교적 두껍게 철골에 피복되는 것이므로, 위와 같이 철골의 온도 상승 억제 효과를 향상시키면 내화제의 사용량을 줄일 수 있게 되고 그리하면 내화제의 감량으로 인한 하중 감소 효과를 얻을 수 있어 결과적으로 건축물의 하중을 줄임으로서 건축비용을 절감시키는 데에도 기여할 수 있다고 생각하였다.The inventors found that when gypsum was used as the adhesive for the insulating material, the temperature rise time of the steel frame was significantly delayed compared to the case of using only cement, and this delay caused the crystal water contained in the gypsum at the temperature rise due to the fire. It was determined that the heat of vaporization required in the process of releasing water and evaporating the crystalline water released delayed the temperature rise of the steel frame. Accordingly, the present inventors use water-containing minerals containing crystal water as a heat insulating material, in addition to using gypsum, a water-containing mineral as an adhesive, and in particular, water-containing minerals in which crystal water is released at relatively low temperatures and water-containing minerals in which crystal water is released at relatively high temperatures. It was judged that by using the mixture, the effect of suppressing the temperature rise of the steel frame could be increased. In addition, since the coating material is relatively thickly coated on the steel frame, improving the effect of suppressing the temperature rise of the steel frame as described above can reduce the amount of the refractory agent, and as a result, it is possible to obtain a load reduction effect due to the reduction of the refractory agent. It was thought that it could contribute to reducing the building cost by reducing the load on the building.
본 발명자는 함수광물 중, 비교적 위와 같은 요건에 접근하는 광물로서, 석고(Gypsum), 시멘트 클링커(Cement clinker), 부루사이트(Brucite), 카오린(Kaoline), 볼 클레이(Balll clay), 파이어 클레이(Fire clay), 레드 머드(Red mud) 등이 있음을 알았다. 그리고 내화제의 특성상 내화제의 구성성분은 경량일 것을 필요로 하니, 내화제의 구성성분으로는 위의 함수광물 중 무게가 비교적 가벼운 부루사이트, 석고 및 레드 머드가 비교적 적합하다고 생각되었는 바, 그리하여 이들을 이용하여 본 발명의 내화제를 제조하게 되었다. 이와 같은 본 발명을 상세히 설명하면 다음과 같다. 다만, 아래의 설명은 본 발명의 바람직한 실시예를 기재한 것으로, 본 발명은 본 발명의 기술적 목적을 달성하는 범위 내에서 임의로 적절히 변경 실시될 수 있으며, 따라서 본 발명의 보호범위는 특허청구범위에 기재된 바에 의해서만 한정된다.The inventors of the present invention are minerals that approach relatively the above requirements, and include gypsum, cement clinker, brucite, kaoline, balll clay and fire clay. Fire clay, Red mud and so on. In addition, since the components of the refractory agent need to be lightweight due to the characteristics of the refractory agent, it is considered that the components of the refractory agent are relatively light in weight, such as burusite, gypsum and red mud, which are relatively light in weight. These were used to prepare the fire resistant agent of the present invention. The present invention will be described in detail as follows. However, the following descriptions describe preferred embodiments of the present invention, and the present invention may be arbitrarily modified appropriately within the scope of the technical object of the present invention, and thus the protection scope of the present invention is defined in the claims. It is limited only by what is described.
본 발명은, 단열재와 접착제 및 첨가제를 사용하여 제조하는 일반적인 공지의 내화 피복재를 제조하는 방법에 있어서, 상술한 바와 같이 화재로 인한 발열 시, 내화재의 구성성분중 일부가 결정수를 방출하게 하여 철골의 온도 상승을 억제하도록 하는 데 그 목적이 있다.The present invention relates to a method for producing a generally known fire-resistant coating material produced using a heat insulating material, an adhesive and an additive, wherein, as described above, during heating due to a fire, some of the components of the fireproof material release the crystal water so that the steel frame The purpose is to suppress the rise in temperature.
본 발명자는 위와 같은 함수광물을 첨가한 각 실시예의 내화피복재가 철골의 온도 상승 억제에 어떠한 효과를 나타내는지 이를 알아내기 위하여, 각 함수광물을 첨가한 각 실시예의 내화피복재로 첨부된 도면 도1에 도시된 바와 같은, 100mm x 180mm x 30mm의 직륙면체로 된 시편(가)를 만들고 그 중심에 열감지판(나)를 설치한 후, 이를 가열하므로서 열감지판(나)가 가열되는 정도를 측정하였다.In order to find out what effect the fireproof coating material of each embodiment to which the above-mentioned hydrous minerals are added has on the suppression of temperature rise of steel, the present invention is attached to FIG. 1 as the refractory coating of each embodiment to which the hydrous minerals are added. As shown, after making a specimen (A) of a 100mm x 180mm x 30mm surface octahedron, and installed a heat sensing plate (B) in the center, it was measured by heating the heat sensing plate (B).
실시예 1.Example 1.
천연 석고 15%(Wt%; 이하 같다),Natural gypsum 15% (Wt%; less than or equal),
시멘트10%,10% of cement,
레드 머드35%,35% of red mud,
팽창 질석15%,Expanded vermiculite 15%,
펄프10%,10% of pulp,
펄라이트 4.4%,4.4% pearlite,
암면 10%,10% rock wool,
메탈셀루로즈 4부량(중량비; 이하 같음)과 폴리비닐 알콜 1부량 및 라우릴 1부량을 혼합하여서 된 첨가제 0.6%를 혼합하여 내화 피복재를 제조한 후, 이로서도 1 에 도시된 바와 같은 시편(가)를 제조하여 850℃의 전기로에 넣어 가열한 결과, 열감지판(나)에 감지된 상승 온도별 시간은 표 1 에 도시된 바와 같았다.4 parts by weight of metal cellulose (weight ratio; equal to or less), 1 part of polyvinyl alcohol, and 1 part of lauryl were mixed to prepare a fire-resistant coating material. ) Was prepared and heated in an electric furnace of 850 ℃, the time for each rise temperature detected by the heat sensing plate (b) was as shown in Table 1.
실시예 2.Example 2.
천연 석고 15%(Wt%; 이하 같다),Natural gypsum 15% (Wt%; less than or equal),
시멘트 10%,10% cement,
부루사이트 35%,Brusite 35%,
팽창 질석 15%,Expanded vermiculite 15%,
펄프10 %,10% pulp,
펄라이트 4.4%,4.4% pearlite,
암면 10%,10% rock wool,
메탈셀루로즈 4부량(중량비; 이하 같음)과 폴리비닐 알콜 1부량 및 라우릴 1부량을 혼합하여서 된 첨가제 0.6%를 혼합하여 내화 피복재를 제조한 후, 이로서 도 1 에 도시된 바와 같은 시편(가)를 제조하여 850℃의 전기로에 넣어 가열한 결과, 열감지판(나)에 감지된 상승 온도별 시간은 표 2 에 도시된 바와 같았다.4 parts by weight of metal cellulose (weight ratio; equal to or less), 1 part of polyvinyl alcohol and 1 part of lauryl were mixed to prepare a fire-resistant coating material, and then a specimen (as shown in FIG. ) Was prepared and heated in an electric furnace at 850 ° C., and the time for each rising temperature detected by the heat sensing plate (b) was as shown in Table 2.
실시예 3.Example 3.
천연 석고 15%(Wt%; 이하 같다),Natural gypsum 15% (Wt%; less than or equal),
시멘트10%,10% of cement,
부루사이트 15%Bursite 15%
레드 머드 20%,Red mud 20%,
팽창 질석15%,Expanded vermiculite 15%,
펄프10%,10% of pulp,
펄라이트 4.4%,4.4% pearlite,
암면 10%,10% rock wool,
메탈셀루로즈 4부량(중량비; 이하 같음)과 폴리비닐 알콜 1부량 및 라우릴 1부량을 혼합하여서 된 첨가제 0.6%를 혼합하여 내화 피복재를 제조한 후, 이로서 도 1 에 도시된 바와 같은 시편(가)를 제조하여 850℃d의 전기로에 넣어 가열한 결과, 열감지판(나)에 감지된 상승 온도별 시간은 표 3 에 도시된 바와 같았다.4 parts by weight of metal cellulose (weight ratio; equal to or less), 1 part of polyvinyl alcohol and 1 part of lauryl were mixed to prepare a fire-resistant coating material, and then a specimen (as shown in FIG. ) Was prepared and heated in an electric furnace of 850 ℃ d, the time for each rise temperature detected by the heat sensing plate (b) was as shown in Table 3.
이상의 실시예에 따른 내화피복재의 성능을 실험한 위의 결과를 보면, 레드 머드나 부루사이트를 단독으로 사용했을 때 보다 부루사이트와 레드 머드를 같이 사용하였을 경우 월등히 좋은 결과를 얻을 수 있었다. 즉, 부루사이트와 레드 머드를 같이 사용하였을 경우, 단독으로 사용했을 경우에 비하여 무려 30% 정도의 내화 성능이 향상되었음을 알 수 있었다. 이러한 내화 성능의 향상은 그만큼 내화제의 시공 두께를 낮출 수 있어 공사비의 절감 효과를 얻을 수 있게 된다.Looking at the above results of the performance of the fire-resistant coating according to the above embodiment, when using a red mud or a red mud together than a red mud or a blushite alone was able to obtain a much better results. In other words, when using a combination of blushite and red mud, it was found that the fire resistance performance of about 30% compared to the case of using alone. The improvement of the fire resistance can reduce the construction thickness of the fire resistant by that, it is possible to obtain the effect of reducing the construction cost.
이와 같이 부루사이트와 레드 머드를 같이 사용하였을 경우 내화 성능이 향상된 것은 불루사이트와 레드 머드의 결정수 방출 온도가 서로 다름에서 오는 결과라고 판단된다. 즉, 부루사이트는 비교적 저온인 200℃∼400℃에서 결정수 방출을 활발히 함으로서 철골의 온도 상승을 제어했고, 레드 머드는 비교적 고온인 500℃∼700℃에서 최대량의 결정수를 방출함으로서 고온에서 철골의 온도 상승을 제어하는 것으로 판단되었다.In the case of using the burusite and the red mud together, the improvement in the fire resistance is determined to be a result of the difference in the crystalline water discharge temperature of the blusite and the red mud. In other words, Bursite controls the temperature rise of steel frame by actively releasing crystal water at 200 ℃ ~ 400 ℃, which is relatively low temperature, and red mud releases maximum amount of crystal water at 500 ℃ ~ 700 ℃, which is relatively high temperature. It was judged to control the rise in temperature.
그리하여 본 발명의 내화피복제 제조방법은, 천연 석고와 시멘트 등의 접착제와, 팽창 질석, 팽창 퍼라이트, 펄프 및 암면 등의 단열재와, 폴리비닐 알콜 메탈셀루로즈 및 라우릴 등의 첨가제를 혼합하여 제조함에 있어서, 접착제의 일부로 반드시 결정수를 함유한 천연 석고를 혼가하며, 특히 단열재에 부가하여 비교적 경량인 함수광물을 혼합하되, 함수광물중 결정수 방출온도가 저온인 부루사이트와 결정수 방출 온도가 고온인 레드 머드를 함께 혼합하는 것을 특징으로 하는 것을 그 구성 내용으로 한다.Thus, the method for producing a fireproof coating of the present invention is prepared by mixing an adhesive such as natural gypsum and cement, an insulating material such as expanded vermiculite, expanded perlite, pulp and rock wool, and an additive such as polyvinyl alcohol metal cellulose and lauryl. As a part of the adhesive, natural gypsum containing crystalline water must be mixed, and in particular, in addition to the heat insulating material, relatively light hydrous minerals can be mixed, but blusite and low temperature of crystalline water discharged in the hydrous minerals have a high temperature. The composition is characterized by mixing the in red mud together.
이와 같은 본 발명의 방법에 의하여 제조된 내화피복재는 화재시 철골의 온도 상승을 효과적으로 제어하여 건축물의 붕괴를 방지할 수 있게 하며, 특히, 이러한 철골 온도 제어 효과는 결국 내화피복재의 피복 두께 감소를 가능케 하여 건물 하중의 감소 및 건축 비용의 감소 효과를 낳게 된다.The fireproof coating prepared by the method of the present invention effectively prevents the collapse of the building by controlling the temperature rise of the steel frame in the event of fire, in particular, such a steel temperature control effect can eventually reduce the coating thickness of the fireproof coating material The result is a reduction in building loads and a reduction in construction costs.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030025361A (en) * | 2001-09-20 | 2003-03-29 | 삼손퍼라이트 주식회사 | Surface modified-expanded perlite and its usage |
| KR100791111B1 (en) * | 2006-03-15 | 2008-01-02 | 주식회사 피,오,에이,에프 | Functional and non-flammability inorganic paint and preparing method of non-flammability board using the same |
| KR100946841B1 (en) * | 2007-05-04 | 2010-03-09 | 이인자 | Functional inorganic paint and preparing method of functional furniture board using the same |
| CN105949954A (en) * | 2016-06-12 | 2016-09-21 | 茌平县蓝天使赤泥科技有限公司 | Water-based red-mud anti-rust and anti-corrosion paint and preparing method thereof |
| CN110105850A (en) * | 2019-05-28 | 2019-08-09 | 广西福宝信科技有限公司 | Indoor powdery paints |
| CN110117451A (en) * | 2019-05-28 | 2019-08-13 | 广西福宝信科技有限公司 | Utilize the processing method of changed red mud enhancing powdery paints |
| KR20220037858A (en) | 2020-09-18 | 2022-03-25 | 지에스건설 주식회사 | Finishing material composition with humidity control function |
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| KR850001134A (en) * | 1983-06-29 | 1985-03-16 | 후지이 미노루 | Fireproof coating composition |
| CA1270863A (en) * | 1987-11-26 | 1990-06-26 | Claude Allaire | Refractory material produced from red mud |
| US5340612A (en) * | 1992-04-16 | 1994-08-23 | W.R. Grace & Co.-Conn. | Sprayable portland cement-based fireproofing compositions |
| KR0144583B1 (en) * | 1995-05-20 | 1998-07-15 | 손연호 | Coating composition for refractory and sound-absorbing and manufacturing method thereof |
| JP3765511B2 (en) * | 1997-02-14 | 2006-04-12 | 三井金属鉱業株式会社 | Flame retardant cable |
| KR20000074564A (en) * | 1999-05-21 | 2000-12-15 | 곽효섭 | constructional materials for interior and insulation of buildings |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030025361A (en) * | 2001-09-20 | 2003-03-29 | 삼손퍼라이트 주식회사 | Surface modified-expanded perlite and its usage |
| KR100791111B1 (en) * | 2006-03-15 | 2008-01-02 | 주식회사 피,오,에이,에프 | Functional and non-flammability inorganic paint and preparing method of non-flammability board using the same |
| KR100946841B1 (en) * | 2007-05-04 | 2010-03-09 | 이인자 | Functional inorganic paint and preparing method of functional furniture board using the same |
| CN105949954A (en) * | 2016-06-12 | 2016-09-21 | 茌平县蓝天使赤泥科技有限公司 | Water-based red-mud anti-rust and anti-corrosion paint and preparing method thereof |
| CN105949954B (en) * | 2016-06-12 | 2018-04-17 | 茌平县蓝天使赤泥科技有限公司 | A kind of water-based red mud rust-proof antiseptic paint and preparation method thereof |
| CN110105850A (en) * | 2019-05-28 | 2019-08-09 | 广西福宝信科技有限公司 | Indoor powdery paints |
| CN110117451A (en) * | 2019-05-28 | 2019-08-13 | 广西福宝信科技有限公司 | Utilize the processing method of changed red mud enhancing powdery paints |
| CN110117451B (en) * | 2019-05-28 | 2021-03-23 | 广西福宝信科技有限公司 | Processing method for enhancing powder coating by utilizing modified red mud |
| KR20220037858A (en) | 2020-09-18 | 2022-03-25 | 지에스건설 주식회사 | Finishing material composition with humidity control function |
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| KR100365866B1 (en) | 2003-01-09 |
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