KR20070106915A - A cryogenic valve composed stainless steel body and bronze bonnet - Google Patents

A cryogenic valve composed stainless steel body and bronze bonnet Download PDF

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Publication number
KR20070106915A
KR20070106915A KR1020060112051A KR20060112051A KR20070106915A KR 20070106915 A KR20070106915 A KR 20070106915A KR 1020060112051 A KR1020060112051 A KR 1020060112051A KR 20060112051 A KR20060112051 A KR 20060112051A KR 20070106915 A KR20070106915 A KR 20070106915A
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South Korea
Prior art keywords
stainless steel
bronze
valve
bonnet
welding
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KR1020060112051A
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Korean (ko)
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노병희
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주식회사 티엠아이
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Priority to KR1020060112051A priority Critical patent/KR20070106915A/en
Publication of KR20070106915A publication Critical patent/KR20070106915A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3006—Ag as the principal constituent
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/10—Welded housings
    • F16K27/102—Welded housings for lift-valves
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/60—Handles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/04—Tubular or hollow articles
    • B23K2101/10—Pipe-lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys
    • B23K2103/05—Stainless steel

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Valve Housings (AREA)

Abstract

A cryogenic valve composed of a stainless steel body and a bronze bonnet is provided to enable whoever to weld a stainless steel body to the cryogenic valve by forming a valve body as stainless steel. A cryogenic valve includes a stainless steel body(8) and a bronze bonnet(2). The stainless steel body is formed of the same material as a stainless steel pipe. As a result, it is possible to weld the stainless steel body to the stainless steel pipe through general stainless steel welding, without conventional silver/lead welding.

Description

스테인레스 스틸 몸체와 청동 보닛으로 구성된 초저온 글로브 밸브{A cryogenic valve composed stainless steel body and bronze bonnet}Cryogenic valve composed stainless steel body and bronze bonnet

도 1은 종래 밸브의 분해도1 is an exploded view of a conventional valve

도 2는 종래 밸브의 다른 실시 예시도Figure 2 is another exemplary embodiment of a conventional valve

도 3은 본 발명의 단면도3 is a cross-sectional view of the present invention

※ 도면의 주요 부분에 대한 부호의 설명※ Explanation of codes for main parts of drawing

1 : 보닛너트 2 : 보닛1: Bonnet Nut 2: Bonnet

3 : 디스크 4 : 밸브대3: disk 4: valve seat

5 : 밸브핸들 6 : 청동몸체5: valve handle 6: bronze body

7 : 스테인레스스틸 파이프 8 : 스테인레스몸체7: stainless steel pipe 8: stainless steel body

본 발명은 스테인레스 스틸 몸체와 청동 보닛으로 구성된 초저온 글로브 밸브에 관한 것으로, 보다 상세하게는 밸브 몸체가 스테인레스 스틸로 형성됨으로써, 종래 청동 몸체가 스테인레스 스틸 파이프와의 연결시 은납용접을 행하던 불편함을 해소하여 누구나 현장에서 일반 스테인레스 스틸 용접을 행할 수 있도록 하여 시공성과 생산성의 향상은 물론이고, 내구수명까지 증대시킨 스테인레스 스틸 몸체와 청동 보닛으로 구성된 초저온 글로브 밸브에 관한 것이다.The present invention relates to a cryogenic globe valve consisting of a stainless steel body and a bronze bonnet, and more particularly, the valve body is formed of stainless steel, thereby eliminating the inconvenience of performing silver welding when the bronze body is connected to a stainless steel pipe. The present invention relates to a cryogenic globe valve composed of a stainless steel body and a bronze bonnet, which not only improves workability and productivity by allowing anyone to perform general stainless steel welding in the field, but also increases durability.

액화산소, 액화질소, 액화탄산, 액화아르곤 등을 저장하는 초저온저장탱크에는 청동재질의 초저온 글로브 밸브가 많이 부착되어 있다.Bronze cryogenic globe valves are attached to cryogenic storage tanks for storing liquefied oxygen, liquefied nitrogen, liquefied carbonic acid, and liquefied argon.

그런데, 청동재질의 밸브몸체소켓과 스테인레스스틸 파이프는 일반적인 TIG 용접이나 아르곤 가스 용접으로 용접이 되지 않는다.However, bronze valve body socket and stainless steel pipe are not welded by general TIG welding or argon gas welding.

이 때에는 청동벨브몸체의 소켓에 스테인레스스틸 파이프를 끼워 은납봉을 이용하여 용접하게 되는데, 이를 은납용접(Silver Brazing)이라 한다. 이러한 은납용접은 고도의 숙련된 기술이 필요하기 때문에 일반적인 배관 용접사가 작업을 행할 수 없다. 따라서 밸브 구매시 청동제 밸브몸체의 소켓에 스테인레스스틸 파이프를 끼워 은납용접된 제품자체를 구입하거나 만들어 사용하게 된다.In this case, a stainless steel pipe is inserted into a socket of a bronze valve body and welded using a silver solder rod. This is called silver brazing. Such silver welding requires a highly skilled technique, and thus a general pipe welder cannot work. Therefore, when purchasing a valve, a stainless steel pipe is inserted into a socket of a bronze valve body to purchase or make a silver-welded product itself.

그러나 상기의 은납용접된 제품을 생산하거나 만들기 위하여는 이미 만들어진 밸브를 다시 분해하여 용접하고, 테스트를 행하기 때문에 시간적 손실 및 경제적 손실은 물론이고 생산성이 매우 저하되는 문제점이 있다.However, in order to produce or produce the silver-welded product, there is a problem in that productivity is degraded as well as time loss and economic loss because the valve is made by disassembling and welding the test valve again.

즉, 일반적인 청동 밸브의 경우는 밸브조립과 밸브압력 테스트와 포장으로 제품의 생산이 완료되나, 스테인레스스틸이 은납용접된 경우는 이미 제조된 밸브를 사용하므로, 이미 제조된 밸브의 제조공정을 포함하여 기술하면, 밸브조립, 밸브압력 테스트, 포장, 포장해체, 밸브 몸체 분리, 스테인레스스틸 파이프와 밸브 몸체 의 소켓에 은납용접 작업, 표면처리, 밸브압력 테스트, 포장으로 완성된다.That is, in the case of general bronze valves, the production of the product is completed by valve assembly, valve pressure test, and packing. However, when stainless steel is silver-welded, the valves are already manufactured. This includes valve assembly, valve pressure testing, packaging, unpacking, valve body separation, solder welding to stainless steel pipes and sockets of valve body, surface treatment, valve pressure testing and packaging.

본 발명은 청동 글로브 밸브와 스테인레스스틸 파이프와의 용접연결을 누구라도 용이하게 할 수 있도록 함에 목적이 있다. 즉, 청동 밸브를 구성하는 밸브 몸체만을 스테인레스스틸로 함으로써, 이에 용접으로 연결되는 스테인레스스틸파이프와 동일한 재질로 되어 누구라도 바로 용접으로 연결하여 사용할 수 있도록 함에 목적이 있다.An object of the present invention is to enable anyone to easily weld the connection between the bronze globe valve and the stainless steel pipe. In other words, only the valve body constituting the bronze valve is made of stainless steel, the purpose is to be made of the same material as the stainless steel pipe connected by welding to anyone can be used by directly welding.

액화산소, 액화질소, 액화탄산, 액화아르곤 등을 저장하는 초저온저장탱크에 설치되어 사용되는 초저온 글로브 밸브는 다수개의 개구부를 가진 몸체와, 상기 몸체와 보닛너트(1)로 체결된 보닛(2)과, 몸체의 내부에서 개구부를 개폐하는 디스크(3)와, 상기 디스크(3)에 체결된 밸브대(4)와, 상기 밸브대(4)의 단부에 설치된 밸브핸들(5)을 포함하여 구성된다. 즉 상기의 경우는 몸체에 수나사가 형성되고, 보닛너트(1)에는 암나사가 형성되어 몸체와 보닛너트(1)가 나사체결되어 보닛(2)을 몸체에 결합시키는 구조이다.Cryogenic globe valve is installed in the cryogenic storage tank for storing liquefied oxygen, liquefied nitrogen, liquefied carbonic acid, liquefied argon, etc. is a body having a plurality of openings, the bonnet (2) fastened by the body and the bonnet nut (1) And a disk (3) for opening and closing the opening in the body, a valve seat (4) fastened to the disk (3), and a valve handle (5) provided at an end of the valve seat (4). do. That is, in the above case, the male screw is formed in the body, and the female screw is formed in the bonnet nut 1 so that the body and the bonnet nut 1 are screwed to couple the bonnet 2 to the body.

또 다른 종래의 실시예는 보닛에 볼트공이 뚫린 플랜지가 형성되고, 몸체에도 볼트공이 뚫린 플랜지가 형성되어, 볼트로 체결하는 경우이다.Another conventional embodiment is a case in which a flange is formed through the bolt hole is bored in the bonnet, and a flange is formed in the body of the bolt hole, and fastened with a bolt.

상기의 어떠한 실시예의 경우라도 종래의 초저온 글로브 밸브 중 몸체는 청 동으로 제조된 청동몸체(6)이다. 그리고 청동몸체(6)의 개구부에 스테인레스스틸 파이프(7)가 은납용접으로 추가된 구성을 가지기도 한다.In any of the above embodiments, the body of the conventional cryogenic globe valve is a bronze body 6 made of bronze. And the stainless steel pipe (7) to the opening of the bronze body (6) may have a configuration in which the silver welding.

이와 같이 종래의 밸브는 몸체가 청동으로 형성되고, 청동몸체(6)와 스테인레스스틸 파이프(7)가 은납용접됨에 특징이 있다.As described above, the conventional valve is characterized in that the body is made of bronze, and the bronze body 6 and the stainless steel pipe 7 are welded with silver.

본 발명은 상기의 종래 밸브를 개량한 것으로, 몸체가 청동으로 된 종래의 것과 다르게 스테인레스 재질로 된 스테인레스몸체(8)임을 특징으로 한다.The present invention is an improvement over the conventional valve, characterized in that the body is a stainless body (8) made of stainless material, unlike the conventional one made of bronze.

따라서 본 발명에 의하면, 도 2에 도시된 바와 같이 재질이 다른 몸체와 스테인레스스틸 파이프(7)와의 은납용접이 불필요하게 된다. 즉, 스테인레스몸체(8)와 스테인레스스틸 파이프(7)의 재질이 동일하여 일반적인 스테인레스 용접으로 행하면 되므로, 은납용접과 같은 숙련된 기술자 없이도 현장에서의 용접 작업이 가능한 장점을 가지게 된다.Therefore, according to the present invention, as shown in FIG. 2, silver welding between the body of different materials and the stainless steel pipe 7 is unnecessary. That is, since the material of the stainless body 8 and the stainless steel pipe 7 are the same, the general stainless welding may be performed. Therefore, the welding work in the field may be performed without an experienced technician such as silver welding.

그리고 디스크(3)의 작동에 의한 마모의 우려가 있고 초저온의 작동유체를 단속하는 몸체가 스테인레스로 형성되어 있어, 밸브의 내구수명이 증대된다.In addition, there is a fear of abrasion due to the operation of the disk 3, and the body for controlling the cryogenic working fluid is made of stainless steel, which increases the service life of the valve.

초저온 글로브 밸브는 크게 청동과 스테인레스스틸로 구분되고 있으며, 청동제는 스테인레스스틸 제품에 비하여 저렴한 가격 때문에 많이 사용되고 있다. 그러나 청동과 스테인레스스틸 파이프 사이의 용접방법인 은납용접의 어려움 때문에, 이 작업 공정을 밸브 제작사에 대부분 의존하고 있다. 그러나 밸브 제작사에서 은납용접으로 인한 작업공정이 늘어남으로써 시간적 물리적 손실이 있게 된다.Cryogenic globe valves are largely divided into bronze and stainless steel, and bronze is widely used due to the low price compared to stainless steel products. However, due to the difficulty of welding silver, a welding method between bronze and stainless steel pipes, this process is largely dependent on the valve manufacturer. However, there is a temporal physical loss due to the increased work process due to silver welding at the valve manufacturer.

따라서 이를 해소하기 위하여 밸브의 몸체를 스테인레스스틸로 바꾸게 됨으로써, 청동제 몸체보다 스테인레스스틸 몸체가 내화학성, 내마모성 및 초저온 환경에서 월등하여 내구수명이 증대되는 효과가 있고, 제품군이 기존의 청동제, 스테인레스스틸제의 2가지에서, 스테인레스스틸 몸체와 청동 보닛으로 된 밸브가 1종 더 추가됨으로써 소비자의선택권이 넓어지는 효과가 있으며, 은납용접이 불필요하여 밸브생산시 작업공정이 단순해지는 효과가 있다.Therefore, in order to solve this problem, the valve body is changed to stainless steel, whereby the stainless steel body is superior in chemical resistance, abrasion resistance, and cryogenic environment to increase durability life, and the product range is made of conventional bronze and stainless steel. In the two, the addition of a stainless steel body and a bronze bonnet valve has the effect of widening the customer's choice, and the need for solder welding, there is an effect of simplifying the work process when producing the valve.

Claims (1)

개구부를 가진 몸체와, 상기 몸체와 결합되는 보닛(2)과, 몸체의 내부에서 개구부를 개폐하는 디스크(3)와, 상기 디스크(3)에 체결되어 보닛(2)을 관통한 밸브대(4)와, 상기 밸브대(4)의 단부에 설치된 밸브핸들(5)을 포함하여 구성된 초저온 글로브 밸브에 있어서, 상기 몸체는 스테인레스 스틸로 형성된 스테인레스몸체(8)임을 특징으로 하는 스테인레스 스틸 몸체와 청동 보닛으로 구성된 초저온 글로브 밸브.A body having an opening, a bonnet 2 coupled to the body, a disk 3 for opening and closing the opening inside the body, and a valve seat 4 fastened to the disk 3 and penetrating the bonnet 2. And a cryogenic globe valve comprising a valve handle (5) installed at the end of the valve seat (4), wherein the body is a stainless body (8) formed of stainless steel. Cryogenic globe valve.
KR1020060112051A 2006-11-14 2006-11-14 A cryogenic valve composed stainless steel body and bronze bonnet KR20070106915A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200478984Y1 (en) * 2014-10-29 2015-12-21 전영철 Cryogenic globe valve
RU2689492C1 (en) * 2015-11-10 2019-05-28 Л'Эр Ликид, Сосьете Аноним Пур Л'Этюд Э Л'Эксплуатасьон Де Проседе Жорж Клод Valve adaptation with press fit for valve with upper connector in cryogenic equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200478984Y1 (en) * 2014-10-29 2015-12-21 전영철 Cryogenic globe valve
RU2689492C1 (en) * 2015-11-10 2019-05-28 Л'Эр Ликид, Сосьете Аноним Пур Л'Этюд Э Л'Эксплуатасьон Де Проседе Жорж Клод Valve adaptation with press fit for valve with upper connector in cryogenic equipment

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