KR960003834Y1 - Gas valve changing device - Google Patents
Gas valve changing device Download PDFInfo
- Publication number
- KR960003834Y1 KR960003834Y1 KR2019930030204U KR930030204U KR960003834Y1 KR 960003834 Y1 KR960003834 Y1 KR 960003834Y1 KR 2019930030204 U KR2019930030204 U KR 2019930030204U KR 930030204 U KR930030204 U KR 930030204U KR 960003834 Y1 KR960003834 Y1 KR 960003834Y1
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- South Korea
- Prior art keywords
- gas
- pipe
- gas pipe
- valve
- main body
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Classifications
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K43/00—Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
내용 없음.No content.
Description
제1도는 일반적인 가스배관의 수봉변 구성예시도.1 is an exemplary view of the water seal side configuration of a general gas pipe.
제2도는 본 고안의 분해사시도.2 is an exploded perspective view of the present invention.
제3도는 본 고안의 단면구성도.3 is a cross-sectional view of the present invention.
제4도는 본 고안의 사용상태예시도.4 is an exemplary state of use of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1a : 수봉부 1a' : 출구1a: water seal 1a ': exit
2 : 드레인관 4a, 4b : 밸브2: drain pipe 4a, 4b: valve
6 : 오버플로우관 8 : 본체6: overflow pipe 8: body
9 : 가스관 10 : 폐쇄부9 gas pipe 10 closed portion
11 : 도입부 12 : 글랜드 패킹11 introduction 12: gland packing
13 : 조임판 81 : 연결후렌지13: tightening plate 81: connection flange
103 : 폐쇄구체103: closed sphere
본 고안은 가스배관의 가스차단용 수봉변을 구성하는 밸브의 고장시에 가스누출 없이 안전하게 해당밸브를 교체할 수 있도록 함으로써, 가스중독, 화재, 폭발등의 안전사고를 미연에 방지할 수 있게된 가스밸브 안전교체장치에 관한 것이다.The present invention enables to safely replace the valve without gas leakage in the event of failure of the valve constituting the gas shutoff valve of the gas pipe, it is possible to prevent safety accidents such as gas poisoning, fire, explosion It relates to a gas valve safety replacement device.
일반적으로 수봉변은 가스배관내의 기체가스를 완전히 차단하기 위한 목적으로 설치되며, 그 구성은 제1도에서와 같이, 가스배관(1)의 소정부위에 하향절곡된 수봉부(1a)를 형성시켜서 공급되는 가스에 포함된 불순물, 응축수가 드레인관(2)을 통해 시일포트(Seal-Pot : 3)로 회수된 뒤 오버플루우관(3a)을 통해 외부로 배출되도록 하고, 가스배관(1)의 유지보수 또는 작업정지시에는 드레인관(2) 상하부의 밸브(4a, 4a')를 폐쇄시킨 상태에서 수봉부(1a) 일측의 급수밸브(5a)를 개방시킴으로써 소정량의 물이 급수관(5)을 통해 수봉부(1a) 내부에 충진되어 가스의 이동이 차단되도록 구성되어 있다.In general, the water-sealed side is installed for the purpose of completely blocking the gas gas in the gas pipe, and the configuration thereof forms a water-sealed portion 1a bent downward in a predetermined portion of the gas pipe 1 as shown in FIG. Impurities and condensed water included in the supplied gas are recovered to the seal port (Seal-Pot: 3) through the drain pipe (2), and then discharged to the outside through the overflow pipe (3a), and the gas pipe (1) When maintenance or work is stopped, a predetermined amount of water is supplied to the water supply pipe 5 by opening the water supply valve 5a on one side of the water sealing section 1a while the valves 4a and 4a 'on the upper and lower portions of the drain pipe 2 are closed. Filled through the water sealing portion (1a) is configured to block the movement of the gas.
또한 수송부(1a)에 공급되는 물은 그 중앙상부에 설치한 오버플로우관(6)의 밸브(4b)를 개방시킴으로써 외부로 배출시키게 되며, 수봉부(1a)의 배관측 방향에 설치된 방산관(7)의 밸브(7a)를 개방시켜 가스배관(1) 내부의 압력을 대기압으로 유지시킴으로써 잔존가스의 배기작업을 진행하게 된다.In addition, the water supplied to the transport section 1a is discharged to the outside by opening the valve 4b of the overflow pipe 6 provided at the upper center thereof, and the discharge pipe provided at the pipe side of the water seal section 1a. By opening the valve 7a of 7) and maintaining the pressure inside the gas pipe 1 at atmospheric pressure, the remaining gas is exhausted.
그런데, 이러한 수봉변에서는 특히 수봉부(1a) 상하에 설치된 오버플로우관(6)과 드레인관(2)의 밸브(4a, 4b)에 균열, 파손, 작동불능등의 고장이 발생되어 교체가 요구될 경우, 가스배관(1)의 수봉부(1a)를 폐쇄시킨 상태에서 교체작업을 진행해야 하므로 전체 작업라인의 가동이 정지되는 문제점이 있으며, 작업 또는 설비특성상 가스배관(1)의 차단이 불가능한 경우에는 가스배관(1) 내부에 가스가 이동되는 상태에서 밸브(4a, 4b)를 교체시켜야 하는 문제점이 지적되고 있다.By the way, in such a water sealing side, the overflow pipe 6 and the drain pipe 2 which are provided above and below the water sealing part 1a, the valves 4a and 4b generate | occur | produce a failure, such as a crack, a breakage, and an inoperability, and replacement is required. If there is a problem, there is a problem that the operation of the entire work line is stopped because the replacement work must be performed in a state in which the water sealing part 1a of the gas pipe 1 is closed, and it is impossible to block the gas pipe 1 due to work or facility characteristics. In this case, it is pointed out that the valves 4a and 4b should be replaced while the gas is moved inside the gas pipe 1.
상기한 밸브(4a, 4b)의 분해시에 가스배관(1) 내부의 가스는 평균 10~20m/sec로 누출되므로 환경오염은 물론 중독, 화재, 폭발등의 산업재해를 유발하는 근본요인을 제공하게 된다.When disassembling the valves 4a and 4b, the gas inside the gas pipe 1 leaks at an average of 10 to 20 m / sec, thereby providing a fundamental factor that causes industrial disasters such as poisoning, fire, and explosion as well as environmental pollution. Done.
본 고안은 상기한 문제점을 감안하여 밸브의 교체가 용이하고 교체작업 진행중 가스누출 우려가 없는 가스밸브 안전교체장치를 제공함에 그 목적이 있는바, 이하에서 본 고안의 양호한 실시예를 첨부도면에 의해 상세히 설명한다.The object of the present invention is to provide a gas valve safety replacement device that is easy to replace the valve in view of the above problems and there is no risk of gas leakage during the replacement operation, the following preferred embodiments of the present invention by the accompanying drawings It explains in detail.
본 고안 안전교체장치(S)는 제2도 및 제3도에서와 같이, 밸브(4)의 후렌지부(4')에 체결고정되는 본체(8)와, 상기 본체(8)의 중앙에 관통설치되며 소정길이로 연장되는 중공(Hollow)의 가스관(9)과, 상기 가스관(9)의 하부에 구비되어 선택적으로 팽창수축하여 수봉변(1a)의 출구(1a')를 개폐시키는 폐쇠부(10)와, 상기 가스관(9)의 상단에 구비되어 볼베(B)로 부터 질소를 도입하는 도입부(11)와, 상기 본체(8)의 상단내부에 삽입설치되어 가스관(9)과의 사이를 밀착폐쇄시키는 복수개의 글랜드 패킹(Gland Packing : 12)과, 상기 본체(8)의 상단에 볼트조임되어 글랜드패킹(12)을 가압하는 조임판(13)으로 구성된다.The safety replacement device S of the present invention, as shown in FIGS. 2 and 3, penetrates and fastens the main body 8 fastened to the flange portion 4 'of the valve 4 and the center of the main body 8. A hollow gas pipe 9 installed at a predetermined length and a lower portion of the gas pipe 9 to be selectively expanded and contracted to open and close the outlet 1a 'of the water sealing edge 1a. 10) and an introduction portion 11 provided at the upper end of the gas pipe 9 to introduce nitrogen from the volbe B, and inserted into the upper end of the main body 8 to be connected to the gas pipe 9. It is composed of a plurality of gland packing (Gland Packing: 12) for tightly closed, and a tightening plate 13 for pressing the gland packing 12 is bolted to the upper end of the main body (8).
상기 본체(8)는 그 하단 둘레에 후렌지부(4')의 규격에 맞추어 체결고정되는 연결후렌지(81)가 형성되고, 그 상하부 내면에는 글랜드패킹(12)이 삽입되는 안착홈(82) 및 폐쇄부(10)가 위치하는 공간부(83)가 형성되어 안내구멍(84)을 통해 수직으로 연통되며, 상면 복수개소에는 고정구멍(85)이 형성된다.The main body 8 has a connecting flange 81 which is fastened and fixed in accordance with the size of the flange portion 4 'around the lower end thereof, and a seating groove 82 into which the gland packing 12 is inserted into the upper and lower inner surfaces thereof. And a space portion 83 in which the closed portion 10 is located, and is vertically communicated through the guide hole 84, and a fixing hole 85 is formed in a plurality of upper surfaces.
상기 가스관(9)은 니플(9a)에 의해 소정길이로 연장될 수 있으며, 그 하부에는 폐쇄부(10) 상단의 연결구(101)가 나사조임되어 공간부(83)내에 위치하는 제한판(102)에 의해 가스관(9)의 분리가 방지되는데, 제한판(102)의 하부에는 연결구(101)를 통해 가스를 공급받을 수 있도록 고무재의 폐쇄구체(103)가 연결고정된다.The gas pipe 9 may be extended to a predetermined length by the nipple 9a, and the lower end of the restrictor plate 102 is located in the space 83 by screwing the connector 101 at the upper end of the closing part 10. The separation of the gas pipe (9) is prevented, the lower portion of the limiting plate 102 is fixed to the closing sphere 103 of the rubber material so that the gas can be supplied through the connector 101.
상기 가스관(9)의 상단에 연결되는 도입부(11)는 개폐밸브(111)와 압력계(112), 티이음쇠(113)등으로 구성되어 봄베(B)로부터 질소가스를 선택적으로 도입하여 상기 폐쇄구체(103)를 팽창수축시키게 된다.The inlet 11 connected to the upper end of the gas pipe 9 is composed of an open / close valve 111, a pressure gauge 112, a fitting 113, and the like to selectively introduce nitrogen gas from the cylinder B to close the sphere. The 103 is expanded and contracted.
한편, 상기 본체(8) 상면의 고정구멍(85)에 대응하는 고정구멍(131)을 구비한 조임판(13)은 그 하부에 안착홈(82) 내부로 삽입되는 돌출부(132)를 구비하여 체결볼트(14)의 조임정도에 따라 글랜드패킹(12)을 가압시키게 된다.Meanwhile, the tightening plate 13 having the fixing hole 131 corresponding to the fixing hole 85 on the upper surface of the main body 8 includes a protrusion 132 inserted into the seating groove 82 in the lower portion thereof. The gland packing 12 is pressurized according to the tightening degree of the fastening bolt 14.
이와 같은 구성의 본 고안 안전교체장치(S)는 제4도에서와 같이 드레인관(2)의 밸브(4a)를 교체시켜야할 경우, 우선 오버플로우관(6)의 밸브(4b)를 폐쇄시킨 상태에서 그 후렌지부(4')에 본체(8) 하부의 연결후렌지(81)를 맞추어 고정시킨 후 밸브(4b)를 개방시키고 가스관(9)을 수봉부(1a)의 내부로 인입시키게 된다.When the valve 4a of the drain pipe 2 needs to be replaced as shown in FIG. 4, the safety replacement device S of the present invention is configured to close the valve 4b of the overflow pipe 6 first. In the state, the flanges 4 'are connected to the flanges 81 in the lower part of the main body 8, and then fixed. Then, the valves 4b are opened and the gas pipes 9 are introduced into the water sealing portions 1a.
상기한 가스관(9)의 인입에 따라 그 하단의 폐쇄부(10)는 수봉부(1a)로 부터 드레인관(2)으로 연통된 출구(1a')와 접촉하게 되는데, 이때 폐쇄부(10)를 구성하는 폐쇄구체(103)는 수축된 상태로서 출구(1a')내에 삽입된 상태가 된다.As the gas pipe 9 is drawn in, the closing part 10 at the lower end thereof comes into contact with the outlet 1a 'connected to the drain pipe 2 from the water sealing part 1a. The closing sphere 103 constituting the above is in a contracted state and is inserted into the outlet 1a '.
이러한 상태에서 작업자가 가스관(9) 상부의 티이음쇠(113)에 봄베(B)를 연결한 후 개폐밸브(111)를 개방시키면, 봄베(B)내부의 질소가스는 가스관(9)을 통해 폐쇄구체(103) 내부로 공급되므로, 폐쇄구체(103)는 팽창되어 출구(1a')를 완전히 밀폐시키게 된다.In this state, when the operator connects the cylinder B to the fitting 113 on the upper part of the gas pipe 9 and opens the valve 111, the nitrogen gas inside the cylinder B is closed through the gas pipe 9. As it is fed into the sphere 103, the closure sphere 103 is expanded to completely seal the outlet 1 a ′.
따라서 작업자는 드레인관(2)의 밸브(4a)를 분리시켜 교체해주게 되며, 이때 수봉부(1a)내의 가스는 폐쇄구체(103)가 출구(1a')를 봉쇄시키게 되므로 누출우려는 근본적으로 해소된다.Therefore, the operator separates and replaces the valve 4a of the drain pipe 2, and at this time, the gas in the water sealing part 1a is essentially closed to leak because the closing sphere 103 blocks the outlet 1a '. do.
상기한 교체방법은 오버플로우관(6)의 밸브(4b)를 교체할 경우에도 동일하게 적용될 수 있음은 물론이다.The above replacement method can of course be applied equally to replacing the valve 4b of the overflow pipe 6.
이와 같이 본 고안은 밸브(4)의 고장발생시에 가스누출 없이 신속한 교체가 가능하여 가스중독, 화재, 폭발 등의 산업재해를 방지할 수 있음은 물론, 교체작업을 위해 전체작업라인을 정지시키지 않게 되므로 안정된 조업을 수행할 수 있는 등의 효과가 있다.As such, the present invention enables rapid replacement without gas leakage in the event of a failure of the valve 4, thereby preventing industrial accidents such as gas poisoning, fire, and explosion, and not stopping the entire work line for replacement work. Therefore, there is an effect such as performing a stable operation.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR2019930030204U KR960003834Y1 (en) | 1993-12-28 | 1993-12-28 | Gas valve changing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR2019930030204U KR960003834Y1 (en) | 1993-12-28 | 1993-12-28 | Gas valve changing device |
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KR950019761U KR950019761U (en) | 1995-07-24 |
KR960003834Y1 true KR960003834Y1 (en) | 1996-05-09 |
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KR2019930030204U KR960003834Y1 (en) | 1993-12-28 | 1993-12-28 | Gas valve changing device |
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KR (1) | KR960003834Y1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101312712B1 (en) * | 2012-03-08 | 2013-10-01 | 전북에너지서비스주식회사 | Device for removing chip in gas pipe |
-
1993
- 1993-12-28 KR KR2019930030204U patent/KR960003834Y1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101312712B1 (en) * | 2012-03-08 | 2013-10-01 | 전북에너지서비스주식회사 | Device for removing chip in gas pipe |
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