KR20040018697A - Water-vaporable adibatiz pipe by using glass fiber and its manufacturing method - Google Patents

Water-vaporable adibatiz pipe by using glass fiber and its manufacturing method Download PDF

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KR20040018697A
KR20040018697A KR1020020050618A KR20020050618A KR20040018697A KR 20040018697 A KR20040018697 A KR 20040018697A KR 1020020050618 A KR1020020050618 A KR 1020020050618A KR 20020050618 A KR20020050618 A KR 20020050618A KR 20040018697 A KR20040018697 A KR 20040018697A
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glass fiber
water
binder
pipe
needle
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KR1020020050618A
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Korean (ko)
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KR100522568B1 (en
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이진세
이필세
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주식회사 세운티.엔.에스
이필세
이진세
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Priority to KR10-2002-0050618A priority Critical patent/KR100522568B1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B29C70/545—Perforating, cutting or machining during or after moulding
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/02—Polysilicates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Composite Materials (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Insulation (AREA)

Abstract

PURPOSE: A water-repellent thermal insulation pipe using glass fiber and a manufacturing method thereof are provided to quickly repel water by high repellency when moisture penetrates into the water-repellent thermal insulation pipe by constituting the water-repellent thermal insulation pipe with glass fiber light, small-sized, and excellent in thermal insulation. CONSTITUTION: In a water-repellent thermal insulation pipe using glass fiber, a binder is spread on a needle mat formed by needle-punching glass fiber and the needle mat is wound around a forming roller. Unnecessary binder of the needle mat is dehydrated through the pressing of a pressing roller rotating at high speed. The needle mat is dried after pressing forming. The dried surface is processed and release is executed. A coating material is mixed with the binder, and the glass fiber is coated with the coating material, in the pressing forming process by the high-speed rotation.

Description

유리섬유를 이용한 발수성 단열파이프 및 그 제조방법{Water-vaporable adibatiz pipe by using glass fiber and its manufacturing method}Water-vaporable adibatiz pipe by using glass fiber and its manufacturing method

본 발명은 유리섬유를 이용한 발수성 단열파이프 및 그 제조방법에 관한 것으로서, 상세하게는 높은 발수성으로 야외에 노출되거나 또는 누수발생 우려가 있는 이송관의 단열용으로 적합하도록 한 것이다.The present invention relates to a water-repellent insulating pipe using a glass fiber and a method for manufacturing the same, and in particular, to be suitable for thermal insulation of a transfer pipe that is exposed to the outdoors or leaks with high water repellency.

본건 출원인은 특허 제274314호를 통하여 이미 유리섬유를 이용한 단열용 파이프의 제조방법을 제공한 바 있다.The present applicant has already provided a method for manufacturing a heat insulating pipe using glass fibers through Patent No. 274314.

본 제조방법으로 제조되는 파이프는 가볍고 또 부피가 적을 뿐 아니라 그 자체로서 우수한 단열성을 갖는 것으로 인정받고 있다.The pipes produced by the present production method are recognized to be not only light and bulky, but also have excellent heat insulation in themselves.

그러나 유리섬유는 고밀도로 가압하여 단열용 파이프를 제작해준다하더라도 섬유고유의 특성상 다공성으로서 그 비중 또한 물에 비해 약 2.54배 높기 때문에 흡수력이 강해 정유회사나 일반산업 플랜트현장에서와 같이 눈비에 노출되거나 또는 주관의 보온, 보냉을 위한 지관의 누수가 빈번히 발생되는 이송관의 단열용으로서는 부적합하다.However, even if glass fiber is made of high pressure pressurized insulation pipe, it is porous due to its inherent characteristics and its specific gravity is about 2.54 times higher than that of water, so it has strong absorption ability, so it is exposed to snow and rain like oil refineries or industrial plant sites. It is not suitable for thermal insulation of feed pipes in which water leaks in the main pipes for thermal insulation and cold storage are frequently generated.

왜냐하면 이송관이 눈비에 노출되거나 또는 지관으로부터 누수가 발생될 경우 그 수분을 단열용 파이프가 흡수하게 되고, 흡수한 수분은 유리섬유 고유의 다공성과 강한 흡수력때문에 발수가 제대로 이루어질 수가 없어 파이프라인의 무게를 가중시키게 되므로 구조물의 안전에 심각한 영향을 초래하게 된다.If the transfer pipe is exposed to rain or water leaks from the branch pipe, the heat-insulating pipe absorbs the moisture, and the absorbed water cannot be properly water-repelled due to the inherent porosity and strong absorption of the glass fiber. This will cause a serious impact on the safety of the structure.

또한 수분을 흡수한 상태에서는 단열성은 거의 기대할 수가 없기 때문에 이송중인 유체의 물성을 변화시켜 품질을 저하시키게 되고 또 수분에 의한 이송관의 부식으로 수명이 단축되므로 유리섬유로 제조된 단열파이프는 많은 장점에도 불구하고 정유회사나 일반산업 플랜트현장의 이송관 단열용으로서는 전혀 이용되지 못하고 있는 실정이다.In addition, since heat insulation can hardly be expected in the state where water is absorbed, the quality of the transport fluid is changed and the quality is lowered. Also, the lifespan of the glass fiber is shortened due to corrosion of the transport pipe due to water. Nevertheless, it is not used at all to insulate transfer pipes in oil companies and general industrial plant sites.

따라서 이제껏 정유회사나 일반산업 플랜트현장의 배관공사시에는 단열을 위하여 이송관 외면에 펄라이트(perlite)나 규산칼슘보온재인 실리카(silica)를 소정두께로 형성하고 그 외면은 함석을 감싸서 보호해주도록 하고있다.Therefore, when plumbing in an oil refining company or a general industrial plant site, a perlite or silica silicate insulating material (silica) is formed to a predetermined thickness on the outer surface of the transfer pipe for thermal insulation, and the outer surface is wrapped to protect the tin.

그러나 펄라이트나 실리카는 시공시 분진이 발생될 뿐 아니라 시공이 어려워 시공비용이 많이 소요된다.However, pearlite and silica not only generate dust during construction but also require high construction costs due to difficulty in construction.

또한 재질특성상 펄라이트와 실리카는 단열성이 낮아 그 만큼 두께를 두껍게 시공해주어야 하므로 시공비용이 추가소요되며, 두께를 두껍게 시공해 준다 하더라도 열손실이 많아 에너지가 낭비된다.In addition, due to the material properties, pearlite and silica have low insulation properties, so the thickness must be increased so that construction cost is additionally required, and even if the thickness is thick, the heat loss is large and energy is wasted.

또한 두께가 두꺼운 만큼 부피가 커 공간을 많이 차지하게 되고 또 파이프라인의 무게가 가중되므로 그 만큼 구조물을 튼튼히 할 수 밖에 없어 시공비용이 더욱 추가소요되며, 고온에 취약할 뿐 아니라 크랙발생으로 수명이 단축되는 등 많은 문제점들이 지적되고 있는 것이다.In addition, as the thickness is thicker, it takes up a lot of space and increases the weight of the pipeline. Therefore, it is necessary to make the structure stronger, so that the construction cost is additionally required. Many problems have been pointed out such as being shortened.

이에 본 발명은 가볍고 부피가 적으며 단열성이 우수한 유리섬유로 파이프를 구성하되, 높은 발수성으로 수분침투시 발수가 신속하게 이루어질 수 있도록 한 유리섬유를 이용한 발수성 단열파이프 및 그 제조방법울 제공함에 그 목적이 있다.The present invention is to provide a water-repellent insulating pipe and a manufacturing method using a glass fiber made of a glass fiber made of light, low volume and excellent thermal insulation, but the water repellent can be made quickly when water infiltration with high water repellency There is this.

상기한 목적달성을 위하여 본 발명은 니들펀칭된 유리섬유매트에 바인더를 도포하여 성형로울러에 권취하고 권취 후 고속회전하는 가압로울러에 의해 가압성형되게 하되, 바인더에 물과의 접촉각을 크게 하는 코팅제를 소정비율로 혼합하여 바인더의 도포시 코팅제가 유리섬유를 전체적으로 코팅하여 높은 발수성을 갖도록 한 것이다.In order to achieve the above object, the present invention applies a binder to a needle-punched glass fiber mat, wound on a molding roller, and press-molded by a pressure roller rotating at a high speed after winding, thereby increasing a contact angle with water to the binder. By mixing at a predetermined ratio, the coating agent is coated with the glass fiber as a whole to have a high water repellency when the binder is applied.

본 발명은 긴 유리섬유를 니들펀칭기로 펀칭하여 비교적 얇은 니들매트를 얻고, 상기 니들매트 일면에 코팅제가 소정비율로 혼합된 바인더를 도포한 다음 성형로울러에 권취한다.The present invention punches a long glass fiber with a needle punching machine to obtain a relatively thin needle mat, apply a binder mixed with a predetermined ratio on one surface of the needle mat, and then wound it on a forming roller.

상기에 있어 코팅제는 유리섬유의 코팅시 물과의 접촉각을 크게 하여 발수성을 갖도록 하기 위한 것으로서 실리콘이나 파라핀, 스테아린산 등을 예로 들 수가 있으며 바인더와 코팅제의 혼합비율은 바인더 1kg에 코팅제 50∼150g이 가장 적절하다.In the above, the coating agent is intended to have a water repellency by increasing the contact angle with water when coating the glass fiber, such as silicon, paraffin, stearic acid, etc. The mixing ratio of the binder and the coating agent is the coating agent 50 ~ 150g in the binder 1kg proper.

성형로울러에 권취되는 니들매트는 얻고자 하는 파이프의 두께에 따라 권취량이 결정되므로 매번 일정한 두께로 권취해줄 수가 있게 된다.The needle mat wound on the molding roller can be wound to a constant thickness every time since the winding amount is determined according to the thickness of the pipe to be obtained.

니들매트의 권취후에는 가압로울러가 적정가압력으로 가압토록한 상태에서가압로울러와 함께 고속회전시켜서 원심력에 의해 불필요한 바인더의 탈수 및 가압성형이 이루어지도록 하며 이때 바인더에 혼합된 코팅제는 원심력으로 니들매트에 깊숙히 침투하여 유리섬유를 전체적으로 코팅시켜 주게 된다.After winding the needle mat, the pressure roller is rotated at a high speed with the pressure roller in a state in which the pressure roller is pressurized at an appropriate pressing pressure so that dehydration and press molding of unnecessary binder are performed by centrifugal force. Deep penetration penetrates the entire glass fiber.

가압로울러에 의한 가압성형 후에는 충분히 건조시키고 건조후에는 표면을 매끈하게 가공한 다음 탈형하여 발수성 단열파이프를 얻도록 한 것이다.After press molding by pressure roller, it is sufficiently dried. After drying, the surface is smoothly processed and then demolded to obtain a water repellent insulating pipe.

이와 같은 방법으로 제조되는 본 발명의 발수성 단열파이프는 유리섬유가 갖는 특성으로 인하여 가볍고 또 얇은 두께에도 탁월한 보온성을 발휘하게 된다.The water-repellent insulating pipe of the present invention produced by such a method exhibits excellent heat retention in light and thin thickness due to the characteristics of the glass fiber.

특히 제조과정에서 바인더에 혼합되어 니들매트일면에 도포된 코팅제는 고속회전하는 가압로울러의 가압성형시 원심력에 의하여 바인더와 함게 배출되는 과정에서 유리섬유에 전체적으로 깊숙히 침투하여 유리섬유를 코팅해주게되므로 수분침투시 유리섬유 고유의 다공성과 물보다 높은 비중에도 불구하고 물과의 접촉각이 커 발수가 신속하게 이루어지게 되므로 높은 발수성을 갖는 단열파이프를 얻게되는 것이다.In particular, the coating agent mixed with the binder during the manufacturing process and applied to one surface of the needle mat is penetrated deeply into the glass fiber in the process of being discharged with the binder by centrifugal force during the press molding of the high-speed rotating pressure roller, thereby coating the glass fiber. Despite the inherent porosity of glass fiber and higher specific gravity than water, the contact angle with the water is large, so that water repellency is made quickly, thereby obtaining an insulating pipe having high water repellency.

이와 같은 방법으로 제조되는 본 발명의 단열파이프는 가볍고 또 얇은 두께에도 탁월한 보온성을 기대할 수 있는 유리섬유를 이용하되 여기에 발수성을 부여해 주므로서 정유회사나 일반산업 플랜트현장의 이송관과 같이 눈비에 노출되거나 또는 주관의 보온, 보냉용 지관의 누수가 심한 이송관의 단열용으로 이용가능하게 되므로 시공시 비용을 줄일 수 있고, 높은 단열성으로 에너지를 절감할 수가 있고, 부피가 작아 공간을 적게 차지하게 되고, 무게가 가벼워 파이프라인을 지지하는 구조물의 안전성을 확보할 수가 있으며, 고온에 의한 변형 내지는 변질우려나 크랙발생우려가 없어 반영구적으로 이용할 수가 있는 유용한 발명인 것이다.Insulating pipe of the present invention manufactured in this way is made of glass fiber that can be expected to have excellent heat retention in light and thin thickness, but gives water repellency to it, such as oil refining companies or general industrial plant transfer pipe exposure to snow and rain It can be used for the insulation of transfer pipes with heavy leakage of the main pipe insulation or cold insulation pipe, which can reduce the cost of construction, save energy with high insulation, and take up less space because of its small volume. It is a useful invention that can be used semi-permanently because it is light in weight and can secure the safety of the structure supporting the pipeline and there is no fear of deformation or alteration or cracking caused by high temperature.

Claims (3)

유리섬유를 니들펀칭하여 얻은 니들매트에 바인더를 도포하여 성형로울러에 권취하고, 권취 후 고속회전하는 가압로울러의 가압으로 불필요한 바인더의 탈수 및 가압성형되게 하고, 가압성형 후 건조하고, 건조후 표면을 가공한 다음 탈형하여서 된 유리섬유를 이용한 단열파이프에 있어서, 바인더에 물과의 접촉각을 크게하는 코팅제를 소정량 혼합하여 고속회전에 의한 가압성형과정에서 코팅제가 유리섬유를 코팅시켜 주도록 하여서 된 유리섬유를 이용한 발수성 단열파이프.Binder is applied to the needle mat obtained by needle-punching glass fiber, and it is wound on a molding roller. After winding, pressurization of a high-speed rotating roller causes dehydration and press molding of unnecessary binder, and drying after pressure molding, and drying the surface after drying. In the heat insulation pipe using deformed glass fiber after processing, glass fiber made by mixing a predetermined amount of the coating agent to increase the contact angle with water in the binder to coat the glass fiber in the press molding process by high speed rotation. Water repellent insulation pipe using. 유리섬유를 니들펀칭하여 얻은 니들매트에 바인더를 도포하여 성형로울러에 권취하고, 권취 후 고속회전하는 가압로울러의 가압으로 불필요한 바인더의 탈수 및 가압성형되게 하고, 가압성형 후 건조하고, 건조후 표면을 가공한 다음 탈형하여서 된 유리섬유를 이용한 단열파이프에 있어서, 바인더에 물과의 접촉각을 크게하는 코팅제를 소정량 혼합하여 고속회전에 의한 가압성형과정에서 코팅제가 유리섬유를 코팅시켜 주는 방법으로 제조하여서 된 유리섬유를 이용한 발수성 단열파이프의 제조방법.Binder is applied to the needle mat obtained by needle-punching glass fiber, and it is wound on a molding roller. After winding, pressurization of a high-speed rotating roller causes dehydration and press molding of unnecessary binder, and drying after pressure molding, and drying the surface after drying. In the heat insulation pipe using deformed glass fiber after processing, it is prepared by mixing a predetermined amount of the coating agent to increase the contact angle with water in the binder and coating the glass fiber in the pressing molding process by high speed rotation. Method for producing a water-repellent insulating pipe using glass fibers. 제1항에 있어서, 바인더 1kg에 코팅제 50∼150g을 혼합하여서 된 유리섬유를 이용한 발수성 단열파이프.The water-repellent insulating pipe using glass fiber according to claim 1, wherein 50 to 150 g of a coating agent is mixed with 1 kg of a binder.
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KR101287805B1 (en) * 2011-08-25 2013-08-07 주식회사 세운티.엔.에스 An aerogel binder for forming insulating materials of glass long fibers and forming process of insulating materials thereby
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KR100521461B1 (en) * 2002-09-30 2005-10-14 전종술 Processing method and device of inorganic fiber pipe for heat insulating
DE102008033028A1 (en) * 2008-07-14 2010-01-28 Sewoon T&S Co., Ltd., Youngcheon Tubular glass fiber insulator for insulating e.g. heating pipe, in e.g. power plant, has aluminum cruciate ligament attached around entire outer circumferential surface of insulator after central cutting and before side cutting
DE102008033028B4 (en) * 2008-07-14 2019-02-21 Sewoon T&S Co., Ltd. Tubular fiber insulator and method of making the same
KR101287805B1 (en) * 2011-08-25 2013-08-07 주식회사 세운티.엔.에스 An aerogel binder for forming insulating materials of glass long fibers and forming process of insulating materials thereby
KR102583741B1 (en) * 2023-06-12 2023-09-27 주식회사 제이티에스 Low-density E-glass fiber with enhanced mechanical strength
KR102670323B1 (en) * 2023-11-08 2024-05-29 (주)세운티.엔.에스 Water-repellent glass fiber insulation pipe and its manufacturing method

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