KR100320877B1 - Manufacturing process of material color coated for anti-sliding facility from steel mill slag in the driveway - Google Patents

Manufacturing process of material color coated for anti-sliding facility from steel mill slag in the driveway Download PDF

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KR100320877B1
KR100320877B1 KR1019990006006A KR19990006006A KR100320877B1 KR 100320877 B1 KR100320877 B1 KR 100320877B1 KR 1019990006006 A KR1019990006006 A KR 1019990006006A KR 19990006006 A KR19990006006 A KR 19990006006A KR 100320877 B1 KR100320877 B1 KR 100320877B1
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aggregate
slag
color
manufacturing process
mixer
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KR1019990006006A
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KR20000056568A (en
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김석환
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김석환
현대산업 주식회사
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04Waste materials; Refuse
    • C04B18/14Waste materials; Refuse from metallurgical processes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Road Paving Structures (AREA)

Abstract

본 발명은 제강작업에서 제조공정중 발생하는 슬래그(slag)를 골재로 이용하여 통상 아스팔트 포장도로에서의 경사면 또는 커브길에서 차량이 노면에서 미끄러지는 현상이 생기지 않도록 한 미끄럼방지시설용 컬러코팅된 골재의 컬러(color)코팅 제조방법에 관한 것으로, 그 중에서도 특히 시공후에 컬러(color)가 변하지 않도록 한 컬러코팅된 골재의 제조방법을 제공하기 위한 것이다.The present invention is to use the slag (slag) generated during the manufacturing process in the steelmaking work as aggregate, so that the slope of the slope or curve road on the asphalt pavement to prevent the slipping of the vehicle on the road surface of the color-coated aggregate for the non-slip facility The present invention relates to a method of manufacturing a color coating, and in particular, to provide a method of manufacturing a color coated aggregate such that the color does not change after construction.

Description

제강슬래그를 이용한 차도의 미끄럼방지시설용 칼라코팅 골재의 제조방법 {Manufacturing process of material color coated for anti-sliding facility from steel mill slag in the driveway}Manufacturing process of material-coated aggregate for anti-slip facility using steelmaking slag {Manufacturing process of material color coated for anti-sliding facility from steel mill slag in the driveway}

본 발명은 제강작업시 발생되는 폐기물인 슬래그(slag)를 이용한 차도의 미끄럼방지코팅용 칼라코팅골재의 제조방법에 관한 것이다. 즉 본 발명은 통상의 흑색 슬래그 골재가 아닌 다양한 색상을 가진 컬러(color)코팅 골재를 제조하기 위한 제조방법에 관한 것이다.일반적으로 포장도로를 보면 경사진 노면 구간이나 커브길 등에서는 주행차량이 미끄러지는 현상을 방지하도록 노면에 일정간격을 띄어 도로의 횡방향으로 통상 검은 띄모양의 미끄럼방지시설이 노면 위로 시공되어 있다. 본 발명은 이 미끄럼방지시설의 주재료인 골재가 아스팔트의 색상(흑색 또는 회색)과 명확히 대비되도록 육안으로 선명하게 구별할 수 있게 착색하여 교통사고를 미연에 방지하고자 안출한 발명이다.The present invention relates to a method for producing a non-slip coating color coating aggregate of the roadway using slag (slag) that is a waste generated during steelmaking operations. That is, the present invention relates to a manufacturing method for manufacturing color coated aggregates having various colors, rather than ordinary black slag aggregates. In order to prevent the phenomenon, roads are usually spaced on the road, and black anti-skid facilities are usually installed on the road. The present invention is an invention devised to prevent traffic accidents by coloring the aggregate, which is the main material of the anti-slip facility, to be clearly distinguished by the naked eye so as to clearly contrast with the color (black or gray) of the asphalt.

본 발명은 미끄럼방지시설용 골재의 색상을 여러 색깔로 코팅하는 방법을 시행하므로써 골재의 주재료가 되는 슬래그의 원색상이 회색이거나 흑색이어서 아스팔트 색상과 유사하여 육안으로 미끄럼방지시설 설치장소를 구별하기 어려웠던 문제점을 해결하고, 또한, 다양한 식별용도로 포장도로상태를 알려주어 교통의 원활, 교통사고의 방지를 도모한 것이 본 발명의 목적이다.The present invention has a problem that it is difficult to distinguish the installation place of the non-slip facility with the naked eye because the primary color of the slag which is the main material of the aggregate is gray or black by implementing the method of coating the color of the aggregate for the non-slip facility with various colors. The purpose of the present invention is to solve the problem, and to inform the state of the pavement road for various identification purposes, to facilitate the traffic and prevent traffic accidents.

종래, 골재의 색상은 흑색이나 회색으로 된 단색만으로 된 골재를 사용하여 온 바, 이는 골재의 칼라코팅이 불가능하였기 때문이다.Conventionally, the color of the aggregate has been using a solid aggregate of only black or gray bar, because the color coating of the aggregate was impossible.

즉, 제강슬래그를 주원료로 하는 골재에 색소분말을 혼합하여도, 이 색소분말이 단순히 골재 표면에 피복될 뿐, 혼합과정, 사용과정 및 도포과정에서 색소분말이 분리, 비말되거나 또는 불균일하게 도포되므로써 소정의 강도를 가진 효과적인 골재의 칼라코팅 제조가 불가능하였다.That is, even when the pigment powder is mixed with aggregate made mainly of steelmaking slag, the pigment powder is simply coated on the surface of the aggregate, and the pigment powder is separated, splashed or unevenly applied during mixing, use and application. Color coating production of effective aggregates with the desired strength has not been possible.

도 1 은 본 발명상으로 실시되는 포장도로의 단면개요도1 is a cross-sectional overview of a pavement road implemented in accordance with the present invention

도 2 는 본 발명상으로 실시되는 제강슬래그를 이용한 골재의 코팅공정을 나타내는 제조공정 블록도Figure 2 is a manufacturing process block diagram showing the coating process of the aggregate using the steelmaking slag carried out in accordance with the present invention

〈도면의 주요부분에 대한 부호설명〉1 : 차도 2 : 미끄럼방지용 골재 3 : 아스팔트〈Description of the main parts of the drawings〉 1: Driveway 2: Anti-skid aggregate 3: Asphalt

M : 교반기 10 : 원료호퍼 11,11a : 벨트콘베어M: Stirrer 10: Raw material hopper 11,11a: Belt conveyor

12 : 제 1 혼합기 13 : 진동체 14 : 제 2 혼합기12 first mixer 13 vibrating body 14 second mixer

15 : 건조기 16 : 제품저장탱크15: dryer 16: product storage tank

따라서, 본 발명은 제강슬래그(slag)등을 주재료로 사용하는 선별된, 주로 입경 2∼4mm 범위의 슬래그 골재와 여러 가지 소정의 색소 분말을 잘 혼합한 후 적당한 크기의 입도가 유지되도록 2∼4mm크기의 체로 체질하여 필요이상 입도가 크거나 작은 색소분말을 분리제거하고 별도의 교반기에서 통상의 아크릴수지 또는 우레탄수지계통의 접착제와 희석제를 대략 동등한 비율로 투입하여 묽게 한 것을 색소분말이 침착된 골재와 혼합, 색소와 골재간에 접착코팅이 되도록 한 다음 골재를 건조기에서 열풍을 가하여 건조시켜 골재의 접착을 완성시킨 것이다. 완성된 본 발명상의 컬러코팅 골재의 단면을 도 1로 나타내었다.Therefore, in the present invention, the slag aggregate, which mainly uses steelmaking slag and the like as a main material, is mixed with various predetermined pigment powders and slag aggregates having a particle size in the range of 2 to 4 mm, and then 2 to 4 mm so as to maintain a proper particle size. The pigment powder is aggregated by diluting by dividing the pigment powder having a larger or smaller particle size than necessary by sieving the size and diluting the adhesive and diluent of a conventional acrylic resin or urethane resin system in an approximately equal ratio in a separate stirrer. Mixing with, the adhesive coating between the pigment and aggregate, and then the aggregate is dried by applying hot air in the dryer to complete the adhesion of the aggregate. The cross-section of the completed color coated aggregate of the present invention is shown in FIG.

여기에서 상기 골재분말처리, 골재의 강도 및 입도선별방법에 대해서는 본 출원인의 선특허 제 165629 호에 개시되어 있어 여기에서는 설명을 생략한다.Herein, the aggregate powder treatment, the strength of the aggregate, and the particle size selection method are disclosed in the applicant's first patent No. 165629, and the description thereof is omitted here.

상기와 같은 본 발명을 첨부된 도 2 의 공정도를 참고하여 더욱 상세히 설명하면 다음과 같다. 단 본 발명은 아래에 설명하는 실시예에 의해 한정된 것은 아니다.Referring to the process of Figure 2 attached to the present invention as described above in more detail as follows. However, the present invention is not limited by the embodiments described below.

먼저, 제강슬래그(slag)를 소정의 강도, 입도 등으로 도로 미끄럼방지용 골재로 처리하여 가공생산한 후 정량 계량한 다음, 호퍼(hopper)로 이송하고, 다음 호퍼(hopper)에서 이송설비를 거쳐 제 1 혼합기에 상기 도로미끄럼방지용으로 선별되어 골재화된 제강슬래그를 투입한다. 그리고 착색제(안료)인 색소분말을 색상 및 용도에 따라 골재 중량대비 100:0.5∼5의 비율로 계량하여 혼합기에 투입한다.다음, 혼합기를 밀폐한 후 원재료와 착색제(색소분말)가 잘 혼합되도록 입도에 따라 약 15∼50분간 교반한 다음, 혼합기를 개방하여 잘 혼합·착색된 원재료를 적당한 크기의 매쉬로 된 체로 진동체 등으로 체질(screen)하여 남은 착색제를 분리제거시키면서 제 2 혼합기쪽으로 이송한다. 제 2 혼합기쪽으로 이송된 착색된 원재료는 미리 준비된 교반기에서 통상의 아크릴 수지계통 또는 우레탄 수지계통의 통상의 공업용 접착제와 신나 등의 희석제를 대략 같은 비율로 잘 혼합되도록 하여 교반한 후 제 2 혼합기에 투입하여 다시 약 15∼30분간 골고루 접착코팅되도록 혼합한다. 이 때의 시간범위는 슬래그 원료의 입도, 종류, 접착제, 착색제의 혼합비, 종류에 따라 다르다. 이 때 원재료와 접착제의 혼합비율을 각각의 용도, 종류와 물성에 따라 대략 100:1∼6 정도로 유지시키면서 상기 제 2 혼합기에서 착색접착코팅된 원재료를 건조기로 이송한다. 일반적으로, 접착제 비율이 100:6보다 너무 많으면 점도과다로 사용이 불가하고 너무 적어 그 비율이 100:1 이하로 되면 결합강도가 떨어진다.건조기로 이송된 제품은 대략 80-180℃열풍건조시키므로써 미끄럼방지용 착색된 골재제품이 완성되고 건조완료된 제품은 저장호퍼(hopper)로 이송하여 필요한 정량을 포장하므로써 본 발명의 칼라 골재가 제조된다. 이 과정에서 중요한 것은 습도를 충분히 제한하여 통상 60%이하로 유지하여 주는 것이 좋다. 이를 일실시예로서 보다 구체적으로 설명한다. 여기에서 건조기의 온도가 중요한다, 80℃이하로 건조할 경우 착색제, 접착제의 결합 강도가 떨어지고, 색상이 안 좋아진다. 아울러 건조시간이 많이 걸리면, 180℃이상으로 열풍건조할 경우 오히려 접착제와 원재료와의 접착강도도 저하될 뿐 아니라, 특히 착색접착코팅이 불균일하게 이루어지면, 착색제가 분리될 가능성이 있다.First, the steel slag is processed and produced by processing anti-skid aggregate at a predetermined strength, particle size, etc., and then quantitatively weighed, and then transferred to a hopper, and then transferred to a hopper through a transfer facility. 1 Into the mixer is put into the aggregated steelmaking slag to prevent the road slip. Then, the pigment powder (pigment) is weighed at a ratio of 100: 0.5 to 5 to the weight of the aggregate, depending on the color and the application, and then put into the mixer.Then, after the mixer is sealed, the raw materials and the colorant (pigment powder) are mixed well. After stirring for about 15 to 50 minutes depending on the particle size, the mixer is opened, and the mixed and colored raw materials are screened with a vibrating sieve with a suitable sized mesh sieve and transferred to the second mixer while separating and removing the remaining colorant. do. The colored raw material transferred to the second mixer is mixed with a diluent such as a thinner such as a conventional acrylic resin or urethane resin and a thinner in a previously prepared stirrer, and stirred, and then put into a second mixer. And mix again to evenly adhesive coating for about 15-30 minutes. The time range at this time depends on the particle size, type of the slag raw material, the mixing ratio of the adhesive and the colorant, and the type. At this time, while maintaining the mixing ratio of the raw material and the adhesive to about 100: 1 to 6 depending on the respective use, type and physical properties, the raw material coated with the color adhesive coating in the second mixer is transferred to the dryer. In general, if the adhesive ratio is too high than 100: 6, the viscosity is too high to use and if the ratio is less than 100: 1, the bonding strength is lowered. The product transferred to the dryer is dried by approximately 80-180 ° C. by hot air drying. The non-slip colored aggregate product is completed and the dried product is transported to a storage hopper to pack the required quantity, thereby producing the color aggregate of the present invention. The important thing in this process is to keep the humidity below 60%. This will be described in more detail as an embodiment. The temperature of the dryer is important here. If it is dried below 80 ° C, the bonding strength of the colorant and the adhesive decreases and the color becomes poor. In addition, if the drying time takes a lot, when the hot air drying at 180 ℃ or more rather than the adhesive strength of the adhesive and the raw material is also lowered, in particular, if the color adhesive coating is made non-uniform, there is a possibility that the colorant is separated.

(실시예)(Example)

제강슬래그를 차도(1)에 포장된 기존 아스팔트(3) 미끄럼방지용 골재(2)로 가공생산 정량 2톤을 취하여 원료 호퍼(10)에 저장하고 벨트콘베어(11)로 제 1 혼합기(12)에 공급하였다. 이 제 1 혼합기(12)에 적색의 전술한 착색제 안료 200kg를 첨가한 후 밀폐하여 골재와 안료가 잘 혼합되도록 한 다음 착색제가 골재에 접착완료 되었을 때 제 1 혼합기를 개방하여 원료를 진동체(13)를 이용하여 체질하여 코팅이 되고 남은 착색제 안료(예:적색)를 망을 통과하여 낙하한 안료분말을 분리하고 망을 통과하지 못한 입도의 슬래그(착색된 골재)는 제 2 혼합기(14)에 공급하였다.Steelmaking slag is processed into conventional asphalt (3) non-slip aggregate (2) packed on the roadway (1), takes 2 tons of processing production quantity, stored in the raw material hopper (10) and the belt conveyor (11) to the first mixer (12). Supplied. After adding 200 kg of the red pigment pigment described above to the first mixer 12, it is sealed to allow the aggregate and the pigment to be mixed well, and then the first mixer is opened when the colorant is completely adhered to the aggregate, and the raw material is vibrated (13). ), And the coated pigment is separated and the remaining pigment pigment (e.g. red) is passed through the net to separate the pigment powder that has fallen through the slag (colored aggregate) of the particle size not passed through the net to the second mixer (14). Supplied.

제 2 혼합기(14)에 이송된 골재(2)와 교반기(M)에서 미리 준비된 통상의 접착제(우레탄 바니쉬)와 희석제(신나)를 50:50비율로 교반한 후 제 2 혼합기(14)에 9kg 첨가하여 약 30분간 골재와 같이 혼합한다.Aggregate (2) and transfer to the second mixer (14) and the usual adhesive (urethane varnish) and diluent (thinner) prepared in advance in agitator (M) in a 50: 50 ratio, and then stirred in 9kg to the second mixer (14) Add and mix with aggregate for about 30 minutes.

제 2 혼합기(14)에서 착색, 코팅이 완료되면 골재를 벨트콘베어(11a)를 이용하여 건조기(15)로 이송하였다. 건조기(15)에 이송된 골재는 건조기(15) 내부에 장치된 공지한 열풍건조장치에서 100℃로 건조시켰다.When coloring and coating were completed in the second mixer 14, the aggregate was transferred to the dryer 15 using the belt conveyor 11a. The aggregate transferred to the dryer 15 was dried at 100 ° C. in a known hot air dryer installed in the dryer 15.

건조가 완료되어 칼라 코팅된 골재제품은 제품저장탱크(16)에 저장하고 정량 포장하여 출하하게 된다. 도면중 미설명부호 (17)은 아스팔트(1) 도로(3) 표면에 골재(2)와 도포표면과를 접착고착하는 접착제를 나타낸다.Drying is completed, the color coated aggregate product is stored in the product storage tank 16 and packaged and shipped. In the figure, reference numeral 17 denotes an adhesive for adhesively bonding the aggregate 2 and the coating surface to the asphalt 1 road 3 surface.

상술한 바와 같이 본 발명의 방법에 따라 제조된 제강슬래그를 이용한 미끄럼방지시설용 골재(2)의 컬러코팅제품은 착색안료와 통상의 우레탄 바니쉬, 신나를 사용하여 컬러 코팅하므로써 착색 내구성을 크게 개선하여 미끄럼방지시설용 골재(2)를 여러 가지 색상으로 생산가능하게 되었고, 아스팔트에 도포사용시 내구성이 우수한점 외에도 아스팔트(3)의 검은 색상과 선명하게 구별할 수 있게 하여 교통사고를 미연에 방지하는 효과가 있다.As described above, the color coating product of the non-slip facility aggregate (2) using the steelmaking slag manufactured according to the method of the present invention is significantly improved coloring durability by color coating using coloring pigments, ordinary urethane varnishes, thinners, and sliding Aggregate for prevention facility (2) can be produced in various colors, and in addition to its excellent durability when applied to asphalt, it can distinguish clearly from the black color of asphalt (3), thereby preventing traffic accidents in advance. .

또한 원료자재 등을 제강슬래그를 사용하므로 종래 산업폐기물로 매립방치하던 공해물질을 재활용하여 사용하게 하므로써 폐기물발생을 억제하여 환경친화적이고 경제적인 미끄럼방지시설용 슬래그 골재를 컬러코팅제조공급할 수 있게 되었다.In addition, by using steelmaking slag as raw materials, it is possible to recycle and use the pollutants that were previously left as landfills as industrial wastes, thereby suppressing waste generation and supplying color-coated slag aggregates for environmentally-friendly and economical anti-skid facilities.

Claims (2)

차량이 통행하는 포장도로의 경사노면이나 커브노면에서 차량의 미끄러짐을 방지하기 위한 미끄럼방지시설용 골재의 제조방법에 있어서, 상기 골재로서 제강작업시 발생되는 주로 2∼4mm크기의 입도선별된 슬래그 골재와 여러 가지 소정의 색소분말을 대략 100:0.5∼5의 비율로 잘 혼합한 후 통상의 아크릴수지계통 또는 통상의 우레탄수지계통의 접착제와 신나 등의 희석제를 대략 같은 비율로 투입하여 희석한 것을 상기 입도선별된 슬래그골재와 색소분말과의 혼합물에 혼합교반하여 착색한 다음 80∼180℃의 온도범위로 열풍건조시켜서 제조되는 것을 특징으로 하는 제강슬래그를 이용한 컬러(color)코팅된 골재의 제조방법In the manufacturing method of the anti-skid facility aggregate for preventing the slip of the vehicle on the inclined surface or curving surface of the pavement road that the vehicle passes, the selected slag aggregate having a particle size of 2 ~ 4mm in size during the steelmaking operation as the aggregate Various predetermined pigment powders are mixed well at a ratio of approximately 100: 0.5 to 5, and then diluted with diluents such as thinners such as thinners or adhesives of conventional acrylic resins or urethane resins. Method of producing a color coated aggregate using steelmaking slag, characterized in that the mixture is stirred and mixed in the mixture of the selected slag aggregate and the pigment powder and then hot air dried in a temperature range of 80 ~ 180 ℃. 삭제delete
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KR20010025761A (en) * 2001-01-31 2001-04-06 박인로 Building materials with differently colored sands and method for manufacturing the same
KR100426796B1 (en) * 2001-03-23 2004-04-13 황익현 Road-paving material comprising slag powder which comes into being in steel making process, and the method of paving road therewith
KR20030075838A (en) * 2002-03-21 2003-09-26 주식회사 하이워크 process for painting a paved road
KR100798880B1 (en) * 2006-04-25 2008-01-29 박명원 Manufacturing method of a color aggregate applying resin paints

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Publication number Priority date Publication date Assignee Title
KR100969449B1 (en) 2009-10-19 2010-07-14 용화콘크리트 주식회사 Manufacturing method of marble pattern block with color coating aggregate

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