KR100533368B1 - A method of jointing a plange and a pipe - Google Patents
A method of jointing a plange and a pipe Download PDFInfo
- Publication number
- KR100533368B1 KR100533368B1 KR10-2004-0000665A KR20040000665A KR100533368B1 KR 100533368 B1 KR100533368 B1 KR 100533368B1 KR 20040000665 A KR20040000665 A KR 20040000665A KR 100533368 B1 KR100533368 B1 KR 100533368B1
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- Prior art keywords
- flange
- pipe
- mold
- frp resin
- impregnation
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/227—Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C2201/00—Paving elements
- E01C2201/20—Drainage details
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
본 발명은 플랜지 결합방법에 관한 것으로, 파이프(P)의 일단을 함침몰드(10)에 고정시키고, 상기 함침몰드(10)에 고정된 파이프(P) 일단에 FRP수지를 함침하여 플랜지 결합부(P1)를 형성시키며, 함침된 FRP수지가 경화되기 전에 상기 플랜지 결합부(P1)에 플랜지(20)를 접촉시켜 일체로 경화시키고, 상기 플랜지 결합부(P1)가 경화되어 플랜지(20)와 결합된 후 상기 함침몰드(10)를 탈형시키는 공정을 통해, 배관의 용접부위를 제거하여 배관내의 유체에 의해 부식되는 것을 방지함으로써 수명을 연장시키고, 배관작업시 작업환경을 개선할 수 있으며, 작업시간을 단축시켜 작업성을 향상시킬 수 있도록 된 것이다.The present invention relates to a flange coupling method, the one end of the pipe (P) is fixed to the impregnation mold (10), the end of the pipe (P) fixed to the impregnation mold (10) by impregnating the FRP resin in the flange coupling portion ( P1) is formed, and before the impregnated FRP resin is cured, the flange coupling portion (P1) is brought into contact with the flange (20) to harden integrally, and the flange coupling portion (P1) is cured to bond with the flange (20). After the process, demolding the impregnation mold 10, by removing the welded portion of the pipe to prevent corrosion by the fluid in the pipe to extend the life, improve the working environment during piping work, working time It is possible to improve workability by shortening.
Description
본 고안은 플랜지 결합방법에 관한 것으로, 특히 FRP수지의 함침에 의해 플랜지와 배관을 접합시키는 플랜지 결합방법에 관한 것이다.The present invention relates to a flange joining method, and more particularly to a flange joining method for joining the flange and the pipe by impregnation of the FRP resin.
일반적으로, 화학공장을 비롯하여 약품을 이용하는 산업공장에서는 부식성이 강한 유체를 이동시키는 배관설비가 대부분인데, 현장의 설계에 맞게 배관을 설치하기 위해서는 완성된 기성품을 사용할 수 없고 다양한 형태의 배관과 플랜지를 별도로 구비하여 현장에서 절단하고 용접하여 연결하게 된다.In general, industrial plants using chemicals, including chemical plants, are most of the piping equipment to move the corrosive fluids.To install the pipes according to the site design, the finished off-the-shelf cannot be used, and various types of pipes and flanges are used. It is provided separately and cut and welded in the field.
또한, 소켓타입으로 파이프를 절단하여 엘보우와 리듀서 등을 삽입하여 연결부위를 파우더로 충진하고, 마무리시 용접하여 사용하는 방법이 있다.In addition, there is a method of cutting a pipe into a socket type, inserting an elbow and a reducer to fill the connection part with powder, and welding the finishing part.
도 1에 도시된 바와 같이, 종래에는 배관연결부위에 용접부위(W)와 파우터 충진부위(S)가 있고, 그 용접부위(W)의 안쪽 절단면이 약품에 노출되어 용액의 침투가 섬유 매트층을 타고 빠르게 진행됨으로써 수명이 짧아지고, 그라인더 절단시 발생하는 분진으로 인해 작업환경이 악화되며, 하절기에 용접작업을 할 경우에는 온도에 따른 경화시간이 최저 30분에서 24시간으로 작업시간을 조절하기가 어려운 문제점이 있었다.As shown in FIG. 1, conventionally, there is a welded portion (W) and a powder filler (S) at a pipe connection portion, and the inner cut surface of the welded portion (W) is exposed to a chemical so that penetration of the solution is a fiber mat layer. Its life is shortened by fast riding, and the working environment is deteriorated due to dust generated when cutting the grinder. In case of welding work in summer, the curing time according to temperature can be adjusted from 30 minutes to 24 hours. There was a difficult issue.
이에 본 고안은 상기한 바의 제반 문제점들을 해소하기 위해 안출된 것으로, 배관의 용접부위를 제거하여 부식을 방지하고, 용접작업에 의한 작업환경을 개선하며 작업성을 향상시킬 수 있는 플랜지 결합방법을 제공함에 그 목적이 있다. Therefore, the present invention was devised to solve all the problems described above, and eliminates the welding part of the pipe to prevent corrosion, improve the work environment by welding work and improve the workability of the flange coupling method The purpose is to provide.
상기한 바의 목적을 달성하기 위한 본 고안은, 파이프의 일단을 함침몰드에 고정시키는 공정과, 상기 함침몰드에 고정된 파이프 일단에 FRP수지를 함침하여 플랜지 결합부를 형성시키는 공정과, 함침된 FRP수지가 경화되기 전에 상기 플랜지 결합부에 플랜지를 접촉시켜 일체로 경화시키는 공정, 상기 플랜지 결합부가 경화되어 플랜지와 결합된 후 상기 함침몰드를 탈형시키는 공정으로 구성되어 있다.The present invention for achieving the object of the above, the process of fixing one end of the pipe to the impregnation mold, the process of impregnating the FRP resin to one end of the pipe fixed to the impregnation mold to form a flange joint, and the impregnated FRP Before the resin is cured, a step of contacting the flange to the flange engaging portion to cure integrally, and a step of demolding the impregnating mold after the flange coupling portion is hardened and bonded to the flange.
이하 본 고안의 바람직한 실시예를 첨부된 도면을 참조하여 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
본 고안에 따른 플랜지 결합방법은, 파이프(P)의 일단을 함침몰드(10)에 고정시키고, 상기 함침몰드(10)에 고정된 파이프(P) 일단에 FRP수지를 함침하여 플랜지 결합부(P1)를 형성시키며, 함침된 FRP수지가 경화되기 전에 상기 플랜지 결합부(P1)에 플랜지(20)를 접촉시켜 일체로 경화시키고, 상기 플랜지 결합부(P1)가 경화되어 플랜지(20)와 결합된 후 상기 함침몰드(10)를 탈형시키게 된다.According to the flange coupling method according to the present invention, one end of the pipe (P) is fixed to the impregnation mold (10), and one end of the pipe (P) fixed to the impregnation mold (10) by impregnating the FRP resin flange coupling portion (P1) ), And before the impregnated FRP resin is cured, the flange coupling portion (P1) is contacted with the flange (20) to cure integrally, and the flange coupling portion (P1) is cured and coupled with the flange (20). After the impregnation mold 10 is demolded.
파이프(P)는 일자형과 엘보형 및 리듀스형이 있고, 현장에서 필요에 따라 소정의 길이로 절단하며, 플랜지(20)는 현장에서 사용되는 파이프(P)의 다양한 직경에 맞게 구비된다.Pipe (P) has a straight type, elbow type and reduce type, cut to a predetermined length as needed in the field, the flange 20 is provided to match the various diameters of the pipe (P) used in the field.
도 3에 도시된 바와 같이, 일자형 파이프(P)는 내경과 외경이 길이방향을 따라 동일하고, 도 4에 도시된 바와 같이 엘보형 파이프(P)는 일측이 절곡되어 형성되며, 도 5에 도시된 바와 같이 리듀스형 파이프(P)는 길이방향을 따라 내경과 외경이 증감하여 테이퍼지게 형성된 것이다.As shown in FIG. 3, the straight pipe P has the same inner diameter and the outer diameter along the longitudinal direction, and as shown in FIG. 4, the elbow pipe P is formed by bending one side thereof, as shown in FIG. 5. As shown, the reduced pipe P is tapered by increasing and decreasing the inner diameter and the outer diameter along the longitudinal direction.
상기 함침몰드(10)는 상부가 개방된 원통형의 몰드몸체(11)와, 상기 몰드몸체(11)의 중앙에 축방향으로 연장되어 구비되고 상기 파이프(P)의 내측에 삽입되는 원기둥형상의 지지기둥(12)으로 구성되어 있다.The impregnation mold 10 has a cylindrical mold body 11 having an open top and a cylindrical support extending in the axial direction at the center of the mold body 11 and inserted into the pipe P. The pillar 12 is comprised.
상기 몰드몸체(11)는 상부가 개방되어 FRP수지를 수용할 수 있고, 상기 지지기둥(12)은 파이프(P)의 내부로 삽입되어 내측벽에 지지됨으로써 파이프(P)를 고정시키게 된다.The mold body 11 is open at the top to accommodate the FRP resin, the support pillar 12 is inserted into the inside of the pipe (P) is supported on the inner wall to fix the pipe (P).
상기 지지기둥(12)은 파이프(P)의 형상에 따라 직선형으로 형성되거나 테이퍼지게 형성되는 것이 바람직하다.The support pillar 12 is preferably formed in a straight or tapered according to the shape of the pipe (P).
상기 함침공정은 상기 몰드몸체(11)에 이형제를 도포하고, 이형제가 도포된 몰드몸체(11)에 FRP수지를 1차 적층하게 되며, 1차 적층된 FRP수지 위에 글래스매트를 적층하고, 글래스매트 위에 FRP수지를 2차로 적층하게 된다.In the impregnation process, the release agent is applied to the mold body 11, the FRP resin is first laminated on the mold body 11 to which the release agent is applied, the glass mat is laminated on the first laminated FRP resin, and the glass mat is coated. FRP resin is laminated secondly on the top.
상기 함침공정에서 글래스매트(GLASS MAT)를 FRP수지에 적층하여 경화시킴으로써 플랜지 결합부(P1)를 견고한 구조물로 형성할 수 있게 된다.In the impregnation process, the glass mat is laminated on the FRP resin and cured to form the flange coupling portion P1 as a rigid structure.
상기 플랜지 접합공정은 상기 함침공정에서 FRP수지가 2차로 적층된 후 경화되기 전에 플랜지(20)를 접촉시키고, 플랜지(20)가 움직이지 않게 고정한 상태에서 경화시키게 됨으로써 플랜지(20)를 파이프(P)에 접합시킬 수 있게 된다.In the flange bonding process, the flange 20 is contacted before being hardened after the FRP resin is laminated in the impregnation process, and the flange 20 is hardened in a fixed state so that the flange 20 is not moved. ) Can be joined.
상기 플랜지(20)와 플랜지 결합부(P1)가 완전히 접합된 상태에서는 상기 함침몰드(10)를 함침물로부터 탈형시키게 된다.In the state where the flange 20 and the flange coupling portion P1 are completely joined, the impregnation mold 10 is demolded from the impregnation.
배관의 일단에 플랜지(20)를 결합시킨 후에는 반대쪽 선단에 동일한 방법으로 플랜지를 결합시키게 되고, 다만 함침몰드(10)를 파이프(P)에 고정시키기 전에 플랜지(20)를 파이프(P)에 미리 끼워 두어야만 함침몰드(10)에서 2차 함침공정이 종료된 후에 플랜지(20)를 FRP수지와 접촉시킬 수 있게 된다.After the flange 20 is coupled to one end of the pipe, the flange is coupled to the opposite end in the same manner, except that the flange 20 is connected to the pipe P before the impregnation mold 10 is fixed to the pipe P. The flange 20 may be brought into contact with the FRP resin after the secondary impregnation process is finished in the impregnation mold 10 only when it is inserted in advance.
이상에서 설명한 바와 같이 본 고안에 따른 플랜지 결합방법에 의하면, 배관의 용접부위를 제거하여 배관내의 유체에 의해 부식되는 것을 방지함으로써 수명을 연장시키고, 배관작업시 용접작업을 하지 않게 되어 작업환경을 개선할 수 있으며, 작업시간을 단축시켜 작업성을 향상시킬 수 있는 효과가 있다.As described above, according to the flange coupling method according to the present invention, by eliminating the welding portion of the pipe to prevent corrosion by the fluid in the pipe to prolong the life, and no welding work during piping work to improve the working environment It is possible to reduce the working time, there is an effect that can improve the workability.
도 1은 종래의 기술에 따른 플랜지 결합방법을 나타낸 개략적 측단면도,1 is a schematic side cross-sectional view showing a flange coupling method according to the prior art,
도 2는 본 발명에 따른 플랜지 결합방법을 나타낸 흐름도,2 is a flow chart showing a flange coupling method according to the present invention,
도 3은 본 발명에 따른 플랜지의 결합방법의 제1실시예를 나타낸 측단면도,Figure 3 is a side cross-sectional view showing a first embodiment of the coupling method of the flange according to the present invention;
도 4는 본 발명에 따른 플랜지 결합방법의 제2실시예를 나타낸 측단면도,Figure 4 is a side cross-sectional view showing a second embodiment of the flange coupling method according to the present invention,
도 5는 본 발명에 따른 플랜지 결합방법의 제3실시예를 나타낸 측단면도이다.Figure 5 is a side cross-sectional view showing a third embodiment of the flange coupling method according to the present invention.
* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on main parts of drawing
P : 파이프 P1 : 플랜지 결합부P: Pipe P1: Flange Joint
10 : 함침몰드 11 : 몰드몸체10: impregnation mold 11: mold body
12 : 지지기둥 20 : 플랜지12: support pillar 20: flange
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2004-0000665A KR100533368B1 (en) | 2004-01-06 | 2004-01-06 | A method of jointing a plange and a pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2004-0000665A KR100533368B1 (en) | 2004-01-06 | 2004-01-06 | A method of jointing a plange and a pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20050072282A KR20050072282A (en) | 2005-07-11 |
| KR100533368B1 true KR100533368B1 (en) | 2005-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-2004-0000665A KR100533368B1 (en) | 2004-01-06 | 2004-01-06 | A method of jointing a plange and a pipe |
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| Country | Link |
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| KR (1) | KR100533368B1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101991723B1 (en) * | 2019-01-28 | 2019-06-21 | 유재완 | Method for manufacturing fibre reinforced plastic pipe |
| KR20220035202A (en) | 2019-10-04 | 2022-03-21 | 쇼와 덴코 가부시키가이샤 | lack of corrosion resistance |
| KR20220074958A (en) | 2020-03-11 | 2022-06-03 | 쇼와 덴코 가부시키가이샤 | lack of corrosion resistance |
| KR20230007495A (en) | 2020-08-20 | 2023-01-12 | 쇼와 덴코 가부시키가이샤 | Absence of corrosion resistance |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160128836A (en) * | 2015-04-29 | 2016-11-08 | 공석태 | Method of Manufacturing FRP Flange Pipe |
| KR200480965Y1 (en) | 2016-02-03 | 2016-07-29 | 주식회사 상봉코포레이션 | Hosepipe connector |
-
2004
- 2004-01-06 KR KR10-2004-0000665A patent/KR100533368B1/en not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101991723B1 (en) * | 2019-01-28 | 2019-06-21 | 유재완 | Method for manufacturing fibre reinforced plastic pipe |
| KR20220035202A (en) | 2019-10-04 | 2022-03-21 | 쇼와 덴코 가부시키가이샤 | lack of corrosion resistance |
| KR20220074958A (en) | 2020-03-11 | 2022-06-03 | 쇼와 덴코 가부시키가이샤 | lack of corrosion resistance |
| KR20230007495A (en) | 2020-08-20 | 2023-01-12 | 쇼와 덴코 가부시키가이샤 | Absence of corrosion resistance |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20050072282A (en) | 2005-07-11 |
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