KR101055784B1 - Internal coating method of water tank - Google Patents

Internal coating method of water tank Download PDF

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Publication number
KR101055784B1
KR101055784B1 KR1020090053901A KR20090053901A KR101055784B1 KR 101055784 B1 KR101055784 B1 KR 101055784B1 KR 1020090053901 A KR1020090053901 A KR 1020090053901A KR 20090053901 A KR20090053901 A KR 20090053901A KR 101055784 B1 KR101055784 B1 KR 101055784B1
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South Korea
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weight
coating
coating material
water tank
stainless steel
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KR1020090053901A
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KR20100135495A (en
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이윤섭
임병선
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임병선
이윤섭
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
    • B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/54—No clear coat specified
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/0075—Swimming or splash baths or pools made of concrete
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2203/00—Other substrates
    • B05D2203/30—Other inorganic substrates, e.g. ceramics, silicon

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

본 발명은 벽돌과 시멘트몰타르를 이용하여 벽면을 쌓은 후에 천정을 콘크리트로 슬래브를 타설하여 제조된 저수조의 내면 코팅시공방법에 관한 것으로 이는 저수조의 내면을 2액형 에폭시수지를 기재로하는 제 1코팅재로 도포하고 경화한 후 스텐레스스틸파우더를 기재로 하는 제 2코팅재로 도포하는 것을 특징으로 한다.The present invention relates to a method of coating the inner surface of a water tank manufactured by laying a slab with a ceiling of concrete after stacking walls using bricks and cement mortar, and the inner surface of the water tank as a first coating material based on a two-component epoxy resin. After coating and curing, it is applied with a second coating material based on stainless steel powder.

저수조, 코팅재, 스텐레스스틸파우더, 폴리우레탄수지, 톨루엔 Reservoir, coating material, stainless steel powder, polyurethane resin, toluene

Description

저수조의 내면 코팅시공방법{Coating method inside of a water tank}Coating method inside of water tank {Coating method inside of a water tank}

본 발명은 저수조 내면 코팅시공방법에 관한 것으로, 더욱 상세하게는 저수조{수도물을 공급하기 위하여 마련한 저수지(배수지를 말함)도 포함된다}의 내면을 저수되는 물의 습한 성질과 각종 물에 함유된 다량의 유·무기질로 부터 저수조의 손상은 물론 저수조로 부터의 유해한 성분을 차단하므로써 저수되는 수질의 오염을 방지하는 한편 도포상태를 반연구적으로 유지하도록 하여 그 사용성 및 경제성을 향상시키고 양호한 음용수를 제공하도록 하는 저수조 내면 코팅시공방법에 관한 것이다.The present invention relates to a coating method of the inner surface of the reservoir, and more particularly, to the wet nature of the water stored in the inner surface of the reservoir (including the reservoir (referred to as a drainage) provided for supplying the tap water) and a large amount of water contained in various waters. By preventing harmful water from the reservoir as well as damaging the reservoir from oil and inorganic substances, it prevents contamination of the stored water and maintains the application condition semi-research to improve its usability and economy and provide good drinking water. It relates to a water tank inner surface coating construction method.

일반적으로 건축시에는 건물의 지하나 옥상에 저수조를 설치하는 것이 필수적인 것이고, 이러한 저수조는 벽돌과 시멘트몰타르(Cement Mortar)를 사용하여 벽면을 쌓은 후에 천장을 철근콘크리트로 슬래브를 타설하거나 또는 벽면과 천정을 철근 콘크리트 타설하여 설치되는 내면에 에폭시 수지도료나 유리섬유를 보강재로한 열경화성 수지를 도포하는 방법으로 시공하고 있으나, 상기와 같은 시공은 저수 되는 물의 습한 성질과 물에 함유된 다량의 유·무기질로 인하여 시간이 경과함에 따라 에폭시 수지도료나 유리섬유등의 분진이 물에 섞여 공급되어지므로 인체에 치명적인 영향을 미칠수 있으며, 또한 저수조의 내면에 도포된 도포부분이 들뜨거나 부식이 장기간 진행되는 경우에는 저수조의 벽면에 까지 손상을 입게 되므로써 손상부위의 보수작업은 물론 이에 따른 시간적 경제적인 큰 손실을 입게 되는 것이다.In general, it is essential to install a water tank in the basement or roof of a building, and the water tank is constructed of bricks and cement mortar, and then the slab is ceiling-reinforced with concrete or walls and ceilings. Is applied by applying epoxy resin paint or thermosetting resin with glass fiber as a reinforcing material on the inner surface which is installed by reinforcing concrete.However, the above-mentioned construction is moist property of water to be stored and a large amount of organic and inorganic substances contained in water. As time passes, dusts such as epoxy resin and glass fiber are mixed and supplied with water, which can have a fatal effect on the human body. Repair work on the damaged part by damaging the wall of the reservoir Will, of course, that the wear time economical large loss accordingly.

따라서, 본 발명은 상기와 같은 문제점을 고려하여 안출한 것으로, 그 목적은 저수조의 내면의 손상을 방지하면서도 저수되는 수질의 오염을 방지하여 양호한 음용수를 제공하는데 있다.Accordingly, the present invention has been made in view of the above problems, the object of which is to provide a good drinking water by preventing the contamination of the stored water while preventing damage to the inner surface of the reservoir.

본 발명은 상기와 같은 목적을 달성하기 위한 것으로, 에폭시수지를 기재로하여 저수조의 내면을 1차코팅재로 도포하여 시멘트 몰타르로 부터 발생하되는 유해물질을 차단되도록하고, 2차로 저수되는 물의 습한 성질과 물에 함유된 다량의 유·무기질에 강한 스텐레스스틸파우더를 기재로 하는 제2코팅재를 재도포함으로써 구현할 수 있다.The present invention is to achieve the above object, by coating the inner surface of the water tank with a primary coating material based on the epoxy resin to block harmful substances generated from the cement mortar, and the wet nature of the water stored in the secondary It can be implemented by recoating a second coating material based on stainless steel powder which is resistant to a large amount of organic and inorganic substances contained in water.

본 발명에 따른 저수조의 내면 코팅시공방법으로 시공한 저수조는 저수조의 벽면이 손상을 입지 아니하고, 저수되는 수질의 오염을 방지할 수 있으며 도포상태를 반영구적으로 유지할 수 있으므로써 사용성 및 이에 따른 경제성을 향상시키고 양호한 음료수를 제공할 수 있는 것이다.The water tank constructed by the internal coating method of the water tank according to the present invention can prevent the contamination of the water quality without damaging the wall surface of the water tank, and can maintain the application state semi-permanently, thereby improving usability and economical efficiency thereof. And provide a good drink.

이하에서 본 발명을 상세하게 설명하면 다음과 같다. 상기 저수조 본체는 통상적인 방법으로 제조되어 지는 것으로 즉, 벽돌과 시멘트몰타르(Cement Mortar)를 이용하여 벽면을 쌓은 후 천정을 철근 콘크리트로 슬래브(Slab)를 타설하거나 또는 벽면과 천정을 철근콘크리트로 타설하여 형성되어진다.Hereinafter, the present invention will be described in detail. The water tank body is manufactured by a conventional method, that is, bricks and cement mortar (wall cement) to build a wall surface and then slab (slab) to the ceiling of reinforced concrete or to the wall and ceiling of reinforced concrete Is formed.

상기와 같이 형성되어지는 저수조의 내면은 평탄 균일하지 못하고 아주 거칠게 되어 있다. 이와 같은 내면을 먼저 평탄하게 정리하고, 이의 내면(바닥면, 벽면 및 천정)을 1차 코팅재로 도포하게 된다.The inner surface of the reservoir formed as described above is not flat uniform but very rough. Such an inner surface is first flattened and its inner surfaces (bottom surface, wall surface and ceiling) are coated with a primary coating material.

상기 1차 코팅재는 2액형 에폭시 수지 3에 경화제 1의 중량부를 혼합한 다음 시너 10~20 중량부로 희석하여 도포하게 되며, 도포는 표면의 형활을 유지하기 위하여 컴프레서를 이용한 에어건(Air gun)으로 분사도포하게 되고, 이때 도포되는 코팅재의 두께는 50㎛~60㎛이다. 또한, 도포되는 코팅재의 두께가 50㎛미만이면 저수조의 내면에 충분히 접착이 어려운 경우가 있으며, 60㎛를 초과하면 도포가 경직상태가 될 수 있다. 즉, 50㎛~60㎛일때 코팅재가 내면의 미세한 구멍등에 스며들면 서 접착상태가 양호하게 나타난다.The primary coating material is mixed with 2 parts of epoxy resin 3 parts by weight of the curing agent 1 and diluted to 10 to 20 parts by weight of thinner and applied, the coating is sprayed with an air gun using a compressor to maintain the surface shape The thickness of the coating material applied is 50㎛ ~ 60㎛. In addition, if the thickness of the coating material to be applied is less than 50㎛, it may be difficult to sufficiently adhere to the inner surface of the reservoir, if the thickness exceeds 60㎛ the coating may be in a rigid state. That is, when the 50㎛ ~ 60㎛ coating material penetrates into the fine hole of the inner surface, the adhesion state is good.

상기에서와 같이 1차 코팅재의 도포가 끝나면 대략 2시간 후 경화가 완료되고, 2차 코팅재를 재도포하게 된다.As described above, when the coating of the primary coating material is finished, curing is completed after approximately 2 hours, and the second coating material is recoated.

상기 2차 코팅재는 스텐레스스틸파우더 37.8~43.2 중량 %, 폴리우레탄수지 30~35 중량 %, 톨루엔 25~30 중량 % 및 침강방지제 0.2~0.8 중량 %를 균일하게 혼합하여 역시 경화된 1차 코팅재에 컴프레서를 이용한 에어건(Air gun)으로 분사 평활하게 도포한다. 이때 도포되는 2차코팅재의 두께는 80㎛~120㎛이다.The secondary coating material is a mixture of stainless steel powder 37.8 ~ 43.2% by weight, polyurethane resin 30 ~ 35% by weight, toluene 25 ~ 30% by weight and the sedimentation inhibitor 0.2 ~ 0.8% by weight of the compressor to the hardened primary coating Spray smoothly with an air gun using air. At this time, the thickness of the secondary coating material to be applied is 80㎛ ~ 120㎛.

스텐레스스틸파우더가 37.8 중량% 미만이면 스텐레스효과가 떨어지고, 43.2 중량%를 초과하면 폴리우레탄수지에 과도하게 혼합되는 결과를 초래하여 수지와의 접착력에 문제가 생긴다. 입자의 크기는 300~350메시가 바람직하며 300메시를 초과할 때는 입자가 굵어서 표면의 평활을 유지하기 어렵고, 350메시 미만인 경우는 스텐레스의 효과를 기대하기 어렵다.If the stainless steel powder is less than 37.8% by weight, the stainless effect is inferior. If the stainless steel powder is more than 43.2% by weight, the result is excessive mixing with the polyurethane resin, resulting in problems with adhesion to the resin. The size of the particles is preferably 300 to 350 mesh. When the particle size exceeds 300 mesh, the particles are thick and difficult to maintain the smoothness of the surface. When the particle size is less than 350 mesh, it is difficult to expect the effect of stainless steel.

또한, 스텐레스스틸파우더는 습한물의 성질과 관련하여 STS-316L의 사용이 가장 바람직하다.In addition, stainless steel powder is most preferably used STS-316L with respect to the nature of the wet water.

폴리우레탄수지가 30 중량%미만이면 스텐레스스틸파우더와 혼합이 적절하지 못하여 접착력이 떨어지며 35 중량% 초과하면 경우에는 스텐레스스틸파우더에 비하여 과도한 혼합으로 스텐레스스틸파우더의 효과가 떨어질 우려가 발생한다.If the polyurethane resin is less than 30% by weight, the adhesion with the stainless steel powder is inadequate and the adhesive strength is lowered. If the polyurethane resin exceeds 35% by weight, the effect of the stainless steel powder is reduced due to excessive mixing compared to the stainless steel powder.

톨루엔이 25 중량% 미만이면 코팅재의 점도가 높아서 분사가 어려워 에어건으로의 작업이 곤란하고 30 중량%를 초과하면 너무 묽어서 도포 후 흘러내리거나 표면의 평활을 기대하기가 난하다.If the toluene is less than 25% by weight of the coating material is high viscosity difficult to spray because it is difficult to work with the air gun, if it exceeds 30% by weight is too thin, it is difficult to flow after application or smooth the surface.

또한, 도포되는 2차 코팅재의 두께가 80㎛미만이면 도포가 충분치 못하여 도포부위가 박리되거나 갈라지는 현상이 생길 수 있으며, 두께가 120㎛을 초과하면 필요이상의 도포로 경제성이 떨어진다.In addition, if the thickness of the secondary coating material to be applied is less than 80㎛ coating may not be sufficient enough to cause the peeling or cracking of the coating site, and if the thickness exceeds 120㎛ less economical than the required coating.

침강방지제로는 1,4-디메틸벤젠이 적합하며 0.2 중량% 미만이면 경사면에서의 흐름이 생기거나 침전이 발생할 수있으며 0.8 중량%를 초과하면 백탁 또는 황변현상이나 수축에 의한 도막의 갈라짐현상이 발생한다.1,4-dimethylbenzene is suitable as a sedimentation agent. If it is less than 0.2% by weight, flow may occur on slopes or sedimentation may occur. If it exceeds 0.8% by weight, whitening or yellowing or cracking of the coating due to shrinkage may occur. do.

상기와 같이 하여 도포가 끝나면 완전경화 후에 수정작업등 후마무리공정을 거쳐 시공이 완료된다.When the coating is completed as described above, the construction is completed through the finishing process such as correction work after complete curing.

상기와 같은 저수조의 내면 코팅시공방법은 신규의 저수조의 제조시 뿐만 아니라 기존의 콘크리트몰타르로 제조된 모든 저수조에 범용적으로 적용하여 실시할 수 있다.The coating method of the inner surface of the water tank as described above can be carried out not only at the time of manufacturing a new water tank but also applied universally to all water tanks made of existing concrete mortar.

<실시예 1>&Lt; Example 1 >

벽돌과 시멘트몰타르를 이용하여 벽면을 쌓은 후에 천정을 철근콘크리트로 슬래브를 타설하여 제조된 저수조의 내면(바닥면, 벽면 및 천정)의 거친면을 평탄하게 정리하고, 2액형 에폭시수지 3에 경화제 1의 중량부로 혼합한 후 시너 25 중량부로 희석하여 에어건으로 분사 도포한 다음 2시간이 경과되어 경화를 확인하고 2차 코팅재로 스텐레스스틸파우더 (STS-316L) 320메시 38.6 중량%, 폴리우레탄수지 33 중량%, 톨루엔 28 중량% 및 침강방지제로 1,4-디메틸벤젠 0.4 중량%를 균일하게 혼합하여 5hp컴프레서를 이용한 에어건으로 분사도포하고 경화한 후 수정작업등의 마무리로서 시공을 완료하였다.After laying the walls using bricks and cement mortar, the ceilings are laid with reinforced concrete, and the rough surface of the inner surface (bottom, wall and ceiling) of the water tank manufactured by laying slabs is laid out flat, and the hardener 1 in 2-component epoxy resin 3 After mixing with 25 parts by weight of thinner diluted with 25 parts by weight of a spray gun and sprayed with an air gun after 2 hours to confirm the hardening and the stainless steel powder (STS-316L) 320 mesh 38.6% by weight, polyurethane resin 33 weight %, Toluene 28% by weight and 0.4% by weight of 1,4-dimethylbenzene as a sedimentation inhibitor were uniformly mixed, sprayed and sprayed with an air gun using a 5hp compressor and cured, and the construction was completed as a finishing work.

<실시예 2><Example 2>

2차 코팅재로 스텐레스스틸파우더 (STS-316L) 320메시 37.8 중량%, 침강방지제로 1,4-디메틸벤젠 1.2 중량%로 한 이외에는 실시예 1과 동일하게 하여 시공을 완료하였다.The construction was completed in the same manner as in Example 1, except that 37.8 wt% of stainless steel powder (STS-316L) 320 mesh as a secondary coating material and 1.2 wt% of 1,4-dimethylbenzene as a sedimentation inhibitor were completed.

실시예1에서는 도포 후 코팅재의 흐름, 백탁이나 황변 도막의 갈라짐 등의 문제점이 전혀 보이지 아니하였으나 실시예 2에서는 약간의 황변현상이 나타남을 발견할 수 있었다. In Example 1, there was no problem such as flow of the coating material after coating, whitening or cracking of the yellowing coating film, but in Example 2, a slight yellowing phenomenon was found.

본 발명에 의한 저수조의 내면 코팅시공방법은 저수조 본체로 부터의 유해한 성분의 발산을 방지하여 저수조내에 저수되는 수질의 오염을 방지하므로써 깨끗하고 청결한 음용수를 제공할 수 있어 건강을 도모할 수 있을 뿐만 아니라 이에 따른 사용성과 경제성을 한 층 더 향상시킬 수 있는 것이다.The coating method of the inner surface of the reservoir according to the present invention prevents the emission of harmful components from the reservoir body and prevents contamination of the water stored in the reservoir, thereby providing clean and clean drinking water, thereby promoting health. As a result, usability and economics can be further improved.

Claims (6)

삭제delete 삭제delete 벽돌과 시멘트몰타르를 이용하여 벽면을 쌓은 후에 천정을 철근콘크리트로 슬래브를 타설하여 제조된 저수조의 내면을 2액형에 폭시수지 기재의 제1코팅재를 도포하고 경화한 후 스텐레스스틸파우더 기재의 제2코팅재를 재도포하여 마무리하는 저수조의 내면 코팅시공방법에 있어서,After stacking the walls using bricks and cement mortar, the ceiling is made of reinforced concrete slab, and the inner surface of the reservoir is coated with 2 parts of the first coating material of the epoxy resin base and cured, and then the second coating material of the stainless steel powder base In the coating method of the inner surface of the reservoir to reapply the finish, 상기 제2코팅재는 스텐레스스틸파우더 37.8~43.2 중량%, 폴리우레탄수지 30~35 중량%, 톨루엔 25~30 중량% 및 침강방지제 0.2~0.8 중량%를 혼합하여 된 것을 특징으로 하는 저수조의 내면 코팅시공방법.The second coating material is 37.8 ~ 43.2% by weight of stainless steel powder, polyurethane resin 30 ~ 35% by weight, toluene 25 ~ 30% by weight and the sedimentation inhibitor 0.2-0.8% by weight of the inner coating of the water tank Way. 제 3항 있어서, 스텐레스스틸파우더의 입자는 300~350메시의 크기인 것을 특징으로 하는 저수조의 내면 코팅시공방법.The method of claim 3, wherein the stainless steel powder particles have a size of 300 to 350 mesh. 제 3항에 있어서, 침강방지제는 1,4-디메틸벤젠인 것을 특징으로 하는 저수조의 내면 코팅시공방법.The method of claim 3, wherein the anti-settling agent is 1,4-dimethylbenzene. 삭제delete
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JPS6183032A (en) 1984-10-01 1986-04-26 新日本製鐵株式会社 Steel plate for high corrosion-resistant fuel tank
KR100383445B1 (en) * 2000-09-15 2003-05-12 경흥산업 주식회사 Method of Ceramic Coating for reinforcement of welded joint
KR20050020508A (en) * 2003-08-23 2005-03-04 이윤섭 Coating method the inside of a tank made of stainless steel
KR20070046483A (en) * 2005-10-31 2007-05-03 삼성석유화학(주) Repairing method of reaction apparatus

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Publication number Priority date Publication date Assignee Title
JPS6183032A (en) 1984-10-01 1986-04-26 新日本製鐵株式会社 Steel plate for high corrosion-resistant fuel tank
KR100383445B1 (en) * 2000-09-15 2003-05-12 경흥산업 주식회사 Method of Ceramic Coating for reinforcement of welded joint
KR20050020508A (en) * 2003-08-23 2005-03-04 이윤섭 Coating method the inside of a tank made of stainless steel
KR20070046483A (en) * 2005-10-31 2007-05-03 삼성석유화학(주) Repairing method of reaction apparatus

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