JP2023103722A - Rupture disk device - Google Patents

Rupture disk device Download PDF

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JP2023103722A
JP2023103722A JP2022004403A JP2022004403A JP2023103722A JP 2023103722 A JP2023103722 A JP 2023103722A JP 2022004403 A JP2022004403 A JP 2022004403A JP 2022004403 A JP2022004403 A JP 2022004403A JP 2023103722 A JP2023103722 A JP 2023103722A
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rupture disc
vibration
rupture
pipeline
measuring device
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JP7384942B2 (en
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範之 横井
Noriyuki Yokoi
孝綱 林
Takatsuna Hayashi
雅貴 池内
Masaki Ikeuchi
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Chugai Ro Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02E30/30—Nuclear fission reactors

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Abstract

To provide a rupture disk device capable of detecting signs of a rupture disk rupturing due to corrosion or deterioration of the rupture disk using a simple configuration.SOLUTION: A rupture disk device 10 is provided, comprising a rupture disk 3 provided in a pipeline to isolate the inside of the pipeline, and a vibration measurement device 4 provided downstream of the rupture disk 3 in the pipeline to measure vibration of the rupture disk 3, where the vibration measurement device 4 measures vibration of the rupture disk 3 in a thickness direction.SELECTED DRAWING: Figure 1

Description

本発明は、炉体や配管等に設けられる破裂板装置に関する。 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rupture disc device installed in a furnace body, piping, or the like.

従来、炉内の雰囲気ガスが何らかの要因で着火し爆発した場合に備えて、安全に爆風を逃がせるよう、炉体や配管等の管路には他の部位と比べて破裂しやすい部分を設けており、例えば特許文献１には、薄いアルミニウムの板を張り詰めて取り付けたものを破裂板として、フランジの開口に取り付ける構成が開示されている。そして、このような破裂板が破裂するのを検知する手段として、特許文献２及び３に示されるような構成が開示されている。 In the past, in preparation for the event that the atmospheric gas inside the furnace ignited for some reason and exploded, the furnace body and pipe lines, etc., were provided with sections that were more likely to burst than other sections so that the blast could escape safely. For example, Patent Literature 1 discloses a configuration in which a rupture disc, which is a thin aluminum plate that is stretched and attached, is attached to an opening in a flange. As means for detecting the rupture of such a rupture disc, configurations as shown in Patent Documents 2 and 3 are disclosed.

実公昭５１－２１３９８号公報Japanese Utility Model Publication No. 51-21398 特開昭５２－５７８７５号公報JP-A-52-57875 実開平１－１３６４７７号公報Japanese Utility Model Laid-Open No. 1-136477 実公昭４９－２６４３９号公報Japanese Utility Model Publication No. 49-26439 実開平１－１４１９７３号公報Japanese Utility Model Laid-Open No. 1-141973

しかし、実際には、破裂板が破裂するのは雰囲気ガスの爆発よりも破裂板の腐食や劣化等によることが多く、破裂板の腐食や劣化等という追加で考慮すべき問題が生じる傾向にある。そこで、特許文献４には、破裂板の腐食を防止する構成が開示されているが、これによっては破裂板の寿命を延長するに過ぎない。また、特許文献５には、破裂板を二重に設け、破裂板間の圧力変動によって２つ目の破裂板が破裂する前に検知する構成が開示されているが、これによっては構造が複雑になるという課題が生じる。 However, in reality, the rupture of the rupture disc is often caused by the corrosion and deterioration of the rupture disc rather than by the explosion of the atmosphere gas, and there is a tendency for additional problems such as corrosion and deterioration of the rupture disc to occur. . Therefore, Patent Document 4 discloses a structure for preventing corrosion of the rupture disc, but this merely extends the life of the rupture disc. In addition, Patent Document 5 discloses a configuration in which two rupture discs are provided and pressure fluctuations between the rupture discs are detected before the second rupture disc ruptures, but this makes the structure complicated. There is a problem of becoming

そこで、本発明では、簡便な構成で破裂板の腐食や劣化によって破裂板が破裂してしまう兆候を検知することができる破裂板装置を提供することを目的とする。 Accordingly, it is an object of the present invention to provide a rupture disc device capable of detecting signs of rupture of the rupture disc due to corrosion or deterioration of the rupture disc with a simple configuration.

本発明は、破裂板装置であって、
管路内に設けられ、前記管路内を遮断する破裂板と、
前記破裂板の管路下流側に位置し、前記破裂板の振動を測定する振動測定装置と、を備え、
前記振動測定装置は、前記破裂板の板厚方向の振動を測定するようになっている。 The present invention is a rupture disc device comprising:
A rupture disc provided in a pipeline and blocking the inside of the pipeline;
a vibration measuring device located downstream of the rupture disc pipeline and measuring vibration of the rupture disc,
The vibration measuring device measures the vibration of the rupture disc in the plate thickness direction.

前記構成によれば、振動測定装置が破裂板の板厚方向の振動を測定することによって、簡便な構成で破裂板の腐食や劣化によって破裂板が破裂してしまう兆候を検知することができる。 According to the above configuration, the vibration measuring device measures the vibration of the rupture disc in the plate thickness direction, whereby signs of rupture due to corrosion or deterioration of the rupture disc can be detected with a simple configuration.

本発明は、さらに、次のような構成を備えるのが好ましい。
（１）前記振動測定装置は、前記破裂板の板厚方向の振動の変位が所定値以上となった場合には、警告を発するようになっている、請求項１記載の破裂板装置。 Preferably, the present invention further comprises the following configuration.
(1) The rupture disc device according to claim 1, wherein the vibration measuring device issues a warning when the vibration displacement in the plate thickness direction of the rupture disc exceeds a predetermined value.

（２）前記振動測定装置は、測定子を前記破裂板に接触させる接触式の振動測定装置である。 (2) The vibration measuring device is a contact-type vibration measuring device in which a probe is brought into contact with the rupture disc.

（３）前記破裂板装置は、前記破裂板の管路下流側に位置し、前記振動測定装置が取り付けられる取付板を備え、
前記振動測定装置は、本体部と測定子とを備えており、
前記本体部は、前記取付板の管路下流側に位置するようになっている。 (3) the rupture disc device includes a mounting plate located downstream of the rupture disc and to which the vibration measurement device is attached;
The vibration measuring device includes a main body and a probe,
The body portion is positioned downstream of the mounting plate in the pipeline.

（４）前記破裂板装置は、前記破裂板の管路上流側に位置し、管路を開閉する隔離弁を備え、
前記隔離弁は、前記破裂板を交換する際に前記管路を閉止する。 (4) the rupture disc device includes an isolation valve located upstream of the rupture disc and opening and closing the duct,
The isolation valve closes the conduit when replacing the rupture disc.

前記構成（１）によれば、破裂板の振動の変位が所定値以上となった場合に警告を発することによって、破裂板が破裂する前にその兆候を検知し、事前に破裂板の交換を行うことができる。 According to the above configuration (1), by issuing a warning when the displacement of the vibration of the rupture disc exceeds a predetermined value, the sign of the rupture disc is detected before it ruptures, and the rupture disc can be replaced in advance. It can be carried out.

前記構成（２）によれば、測定子を破裂板に接触させることによって、破裂板の振動を抑制することができ、破裂板の寿命を延ばすことができる。 According to the configuration (2), by bringing the stylus into contact with the rupture disc, the vibration of the rupture disc can be suppressed and the life of the rupture disc can be extended.

前記構成（３）によれば、振動測定装置の本体部を取付板の管路下流側に配置することによって、破裂板が破裂した場合、炉内の雰囲気ガスが本体部に直接衝突することを取付板によって抑制できる。 According to the configuration (3), by arranging the main body of the vibration measuring device on the downstream side of the pipe line of the mounting plate, it is possible to prevent the atmosphere gas in the furnace from directly colliding with the main body when the rupture disc ruptures. It can be suppressed by a mounting plate.

前記構成（４）によれば、隔離弁によって管路を閉止することによって、破裂板の交換を容易に行うことができる。 According to the configuration (4), the rupture disc can be easily replaced by closing the pipeline with the isolation valve.

要するに、本発明によると、簡便な構成で破裂板の腐食や劣化によって破裂板が破裂してしまう兆候を検知することができる破裂板装置を提供することができる。 In short, according to the present invention, it is possible to provide a rupture disc device capable of detecting signs of rupture of the rupture disc due to corrosion or deterioration of the rupture disc with a simple configuration.

本発明の実施形態に係る破裂板装置の断面概略図である。1 is a schematic cross-sectional view of a rupture disc device according to an embodiment of the present invention; FIG. 破裂板の正面図である。It is a front view of a rupture disc. 本発明の別の実施形態に係る破裂板装置の断面概略図である。FIG. 3 is a schematic cross-sectional view of a rupture disc device according to another embodiment of the invention;

図１は、本発明の実施形態に係る破裂板装置１０の断面概略図である。図１に示されるように、破裂板装置１０は、炉体の配管１の管台２側に設けられている。破裂板装置１０は、管路内に設けられ、管路内を遮断する破裂板３と、破裂板３の管路下流側に位置し、破裂板３の振動を測定する振動測定装置４と、を備えている。 FIG. 1 is a schematic cross-sectional view of a rupture disc device 10 according to an embodiment of the invention. As shown in FIG. 1, the rupture disc device 10 is provided on the nozzle 2 side of the piping 1 of the furnace body. The rupture disc device 10 includes a rupture disc 3 that is provided in the pipeline and blocks the inside of the pipeline, a vibration measuring device 4 that is positioned downstream of the rupture disc 3 in the pipeline and measures vibration of the rupture disc 3, It has

管台２の管路下流側には、フランジ５が設けられており、破裂板３は、管台２の管路下流側の端部に形成されたフランジ２１と、フランジ５とに挟まれ、ボルト６によって締め付け固定されている。破裂板３の材質は、炉内の環境に基づき選定され、一般的に、展延性がよく、耐食性が高いものとしてアルミニウムが用いられやすいが、高温、高圧で使用される場合には、例えばステンレス鋼やニッケル鋼等が用いられる。破裂板３は、炉内が通常使用状態の場合には変形が生じないが、破裂による急激な圧力の上昇や低下が発生したときのみせん断破裂する程度の厚さを有する。図２は、破裂板３の正面図である。破裂板３は円板形状を有しており、周縁部にボルト６が挿通される孔３１が円周方向に均等間隔で例えば４つ形成されている。なお、点線部は、管台２の開口の位置を示している。 A flange 5 is provided on the downstream side of the pipe line of the nozzle 2, and the rupture disc 3 is sandwiched between the flange 21 formed at the end of the pipe line downstream side of the nozzle 2 and the flange 5, It is tightened and fixed by bolts 6 . The material of the rupture disc 3 is selected based on the environment in the furnace. In general, aluminum is easily used as it has good ductility and high corrosion resistance. Steel, nickel steel, or the like is used. The rupture disc 3 is not deformed when the inside of the furnace is in normal use, but has such a thickness that shear rupture occurs only when a sudden rise or fall in pressure due to rupture occurs. FIG. 2 is a front view of the rupture disc 3. FIG. The rupture disc 3 has a disk shape, and for example, four holes 31 are formed in the peripheral edge portion thereof at equal intervals in the circumferential direction, through which the bolts 6 are inserted. A dotted line indicates the position of the opening of the nozzle 2 .

フランジ５の管路下流側には支柱７が設けられており、支柱７の一端は、フランジ５に固定されている。振動測定装置４が取り付けられる取付板８は、支柱７の他端に固定されている。支柱７は棒形状を有しており、例えば４本が等間隔に設けられている。 A post 7 is provided downstream of the flange 5 in the pipeline, and one end of the post 7 is fixed to the flange 5 . A mounting plate 8 to which the vibration measuring device 4 is mounted is fixed to the other end of the support 7 . The struts 7 have a bar shape, and for example, four of them are provided at regular intervals.

振動測定装置４は、本体部４１と測定子４２とを備えており、本体部４１は取付板８の管路上流側の面（図では下面）に取り付けられている。振動測定装置４は、接触式の振動測定装置であり、測定子４２は、本体部４１から管路上流側に延びて、測定子４２の先端は、破裂板３の中心に接触するようになっている。振動測定装置４は、破裂板３の中心の板厚方向の変位、変位速度、又は変位加速度等によって、破裂板３の振動を測定する。そして、振動測定装置４は、破裂板３の例えば板厚方向の振動の変位が所定値以上となった場合には、警告を発するようになっている。破裂板３は、本来の作用として破裂する場合には一気に破裂するが、劣化や腐食によって強度が失われた場合には、張り詰めた水平状態の破裂板３が炉内の圧力によって凹状や凸状に変形しようとする力が加わって全面的に伸びが生じ、それが炉内の運転中の装置の振動を受けて、破裂板３も振動し始めるようになる。破裂板装置１０は、その現象を利用して、破裂板３の振動を振動測定装置４によって検知することにより、破裂板３の破裂の兆候を検知する。なお、本来の作用で破裂板３が破裂した場合、爆風は支柱７の間隙から外部へ放出される。 The vibration measuring device 4 includes a body portion 41 and a probe 42, and the body portion 41 is attached to the surface of the mounting plate 8 on the upstream side of the pipeline (lower surface in the figure). The vibration measuring device 4 is a contact-type vibration measuring device, and the probe 42 extends from the main body 41 to the upstream side of the pipeline, and the tip of the probe 42 comes into contact with the center of the rupture disk 3. ing. The vibration measuring device 4 measures the vibration of the rupture disc 3 based on displacement, displacement velocity, displacement acceleration, or the like in the plate thickness direction of the center of the rupture disc 3 . The vibration measuring device 4 issues a warning when the vibrational displacement of the rupture disc 3, for example, in the plate thickness direction exceeds a predetermined value. When the rupture disc 3 ruptures as its original action, it ruptures at once. A force that tends to deform it into a shape is applied, and elongation occurs all over, and this is subject to the vibration of the operating equipment in the furnace, and the rupture disc 3 also begins to vibrate. Using this phenomenon, the rupture disc device 10 detects signs of rupture of the rupture disc 3 by detecting vibration of the rupture disc 3 with the vibration measuring device 4 . When the rupture disk 3 ruptures due to its original action, the blast is released outside through the gaps between the struts 7 .

破裂板装置１０は、破裂板３の管路上流側に位置し、管路を開閉する隔離弁１１を備えている。隔離弁１１は、破裂板３を交換する際に管路を閉止するようになっている。 The rupture disc device 10 is provided with an isolation valve 11 positioned upstream of the rupture disc 3 and opening and closing the duct. The isolation valve 11 closes the pipeline when the rupture disc 3 is replaced.

前記構成の破裂板装置１０によれば、次のような効果を発揮できる。 According to the rupture disc device 10 configured as described above, the following effects can be exhibited.

（１）振動測定装置４が破裂板３の板厚方向の振動を測定することによって、簡便な構成で破裂板３の腐食や劣化によって破裂板３が破裂してしまう兆候を検知することができる。 (1) By measuring the vibration of the rupture disc 3 in the plate thickness direction with the vibration measuring device 4, signs that the rupture disc 3 will rupture due to corrosion or deterioration of the rupture disc 3 can be detected with a simple configuration. .

（２）振動測定装置４は、破裂板３の板厚方向の振動の変位が所定値以上となった場合には、警告を発するようになっているので、破裂板３が破裂する前にその兆候を検知し、事前に破裂板の交換を行うことができる。 (2) The vibration measuring device 4 issues a warning when the vibration displacement in the plate thickness direction of the rupture disc 3 exceeds a predetermined value. It is possible to detect the signs and replace the rupture disc in advance.

（３）振動測定装置４は、測定子４２を破裂板３に接触させる接触式の振動測定装置であるので、測定子４２を破裂板３に接触させることによって、破裂板３の振動を抑制することができ、破裂板３の寿命を延ばすことができる。なお、測定子４２を破裂板３の中心に接触させることによって、周縁部に接触させる場合と比べて、破裂板３の振動をさらに抑制することができる。 (3) Since the vibration measuring device 4 is a contact-type vibration measuring device in which the probe 42 is brought into contact with the rupture disc 3, the vibration of the rupture disc 3 is suppressed by bringing the probe 42 into contact with the rupture disc 3. , and the life of the rupture disc 3 can be extended. By bringing the stylus 42 into contact with the center of the rupture disc 3, the vibration of the rupture disc 3 can be further suppressed as compared with the case of contacting the periphery.

（４）破裂板装置１０は、破裂板３の管路上流側に位置し、管路を開閉する隔離弁１１を備えているので、隔離弁１１によって管路を閉止することによって、破裂板３の交換を容易に行うことができる。 (4) The rupture disc device 10 is located upstream of the rupture disc 3 and has an isolation valve 11 that opens and closes the duct. can be easily replaced.

（５）破裂板３は円板形状を有しており、周縁部にボルト６が挿通される孔３１が円周方向に均等間隔で形成されているので、破裂板３の中心で振動の変位が最大になるように構成されている。したがって、振動測定装置４の測定子４２を破裂板３の中心に接触させることによって、破裂板３の振動を効果的に抑制することができる。 (5) The rupture disc 3 has a disk shape, and the holes 31 through which the bolts 6 are inserted are formed in the peripheral portion at equal intervals in the circumferential direction. is configured to maximize Therefore, by bringing the stylus 42 of the vibration measuring device 4 into contact with the center of the rupture disc 3, the vibration of the rupture disc 3 can be effectively suppressed.

図３は、本発明の別の実施形態に係る破裂板装置１０の断面概略図である。別の実施形態では、振動測定装置４が非接触式の振動測定装置である点で上記実施形態と異なっており、その他の構成は上記実施形態と同様である。このため、別の実施形態の説明においては、上記実施形態と同じ部分には同じ符号を付し、それらの内容については詳しい説明を省略する。 FIG. 3 is a schematic cross-sectional view of a rupture disc device 10 according to another embodiment of the invention. Another embodiment differs from the above embodiment in that the vibration measuring device 4 is a non-contact vibration measuring device, and other configurations are the same as those of the above embodiment. Therefore, in the description of another embodiment, the same reference numerals are given to the same parts as in the above embodiment, and detailed description of the contents thereof will be omitted.

図３に示されるように、振動測定装置４は、本体部４３と測定子４４とを備えており、本体部４３は取付板８の管路下流側の面（図では上面）に取り付けられている。振動測定装置４は、非接触式の振動測定装置であり、測定子４４は、本体部４３から管路上流側に延びて、測定子４４の先端は、破裂板３から所定の空間をおいて、取付板８の管路上流側に位置するようになっている。測定子４４の延長方向には、破裂板３の中心が位置している。振動測定装置４は、破裂板３の中心の板厚方向の変位、変位速度、又は変位加速度等によって、破裂板３の振動を測定する。そして、振動測定装置４は、破裂板３の例えば板厚方向の振動の変位が所定値以上となった場合には、警告を発するようになっている。 As shown in FIG. 3, the vibration measuring device 4 includes a body portion 43 and a probe 44. The body portion 43 is attached to the surface of the mounting plate 8 on the downstream side of the pipeline (upper surface in the drawing). there is The vibration measuring device 4 is a non-contact type vibration measuring device. , upstream of the mounting plate 8 . The center of the rupture disk 3 is positioned in the extending direction of the probe 44 . The vibration measuring device 4 measures the vibration of the rupture disc 3 based on displacement, displacement velocity, displacement acceleration, or the like in the plate thickness direction of the center of the rupture disc 3 . The vibration measuring device 4 issues a warning when the vibrational displacement of the rupture disc 3, for example, in the plate thickness direction exceeds a predetermined value.

上記構成によれば、振動測定装置４の本体部４３は、取付板８の管路下流側に位置するようになっているので、破裂板３が破裂した場合、炉内の雰囲気ガスが振動測定装置４の本体部４１に直接衝突することを取付板８によって抑制できる。その結果、雰囲気ガスによって本体部４３が損傷する可能性を低減することができる。 According to the above configuration, the main body part 43 of the vibration measuring device 4 is positioned downstream of the mounting plate 8 in the pipeline. The mounting plate 8 can suppress direct collision with the main body portion 41 of the device 4 . As a result, it is possible to reduce the possibility that the main body part 43 is damaged by the ambient gas.

上記実施形態では、接触式の振動測定装置４の本体部４１は取付板８の管路上流側に位置し、非接触式の振動測定装置４の本体部４３は取付板８の管路下流側に位置するようになっているが、接触式の振動測定装置４の本体部が取付板８の管路下流側に位置し、非接触式の振動測定装置の本体部が取付板８の管路上流側に位置してもよい。 In the above-described embodiment, the main body 41 of the contact-type vibration measuring device 4 is located upstream of the mounting plate 8 in the pipeline, and the main body 43 of the non-contact vibration measuring device 4 is located downstream of the mounting plate 8 in the pipeline. However, the main body of the contact-type vibration measuring device 4 is located downstream of the mounting plate 8 pipeline, and the main body of the non-contact vibration measuring device is located above the pipeline of the mounting plate 8 It may be located on the stream side.

特許請求の範囲に記載された本発明の精神及び範囲から逸脱することなく、各種変形及び変更を行うことも可能である。 Various changes and modifications may be made without departing from the spirit and scope of the invention as set forth in the claims.

本発明では、簡便な構成で破裂板の腐食や劣化によって破裂板が破裂してしまう兆候を検知することができる破裂板装置を提供できるので、産業上の利用価値が大である。 INDUSTRIAL APPLICABILITY In the present invention, it is possible to provide a rupture disc device capable of detecting signs of rupture of a rupture disc due to corrosion or deterioration of the rupture disc with a simple configuration.

１ 配管
２ 管台
２１ フランジ
３ 破裂板
４ 振動測定装置
４１ 本体部 ４２ 測定子
４３ 本体部 ４４ 測定子
５ フランジ
６ ボルト
７ 支柱
８ 取付板
１０ 破裂板装置 1 piping
2 nozzle
21 flange
3 Rupture disc
4 Vibration measuring device
41 Main body 42 Probe
43 main body 44 stylus
5 Flange
6 bolts
7 strut
8 Mounting plate
10 Rupture disc device

Claims (5)

破裂板装置であって、
管路内に設けられ、前記管路内を遮断する破裂板と、
前記破裂板の管路下流側に位置し、前記破裂板の振動を測定する振動測定装置と、を備え、
前記振動測定装置は、前記破裂板の板厚方向の振動を測定するようになっている、破裂板装置。
A rupture disc device,
A rupture disc provided in a pipeline and blocking the inside of the pipeline;
a vibration measuring device located downstream of the rupture disc pipeline and measuring vibration of the rupture disc,
A rupture disc device, wherein the vibration measuring device measures vibration of the rupture disc in a thickness direction.
 前記振動測定装置は、前記破裂板の板厚方向の振動の変位が所定値以上となった場合には、警告を発するようになっている、請求項１記載の破裂板装置。
2. The rupture disc device according to claim 1, wherein said vibration measuring device issues a warning when the vibration displacement in the plate thickness direction of said rupture disc exceeds a predetermined value.
 前記振動測定装置は、測定子を前記破裂板に接触させる接触式の振動測定装置である、請求項１又は２に記載の破裂板装置。
The rupture disc device according to claim 1 or 2, wherein the vibration measurement device is a contact-type vibration measurement device in which a probe is brought into contact with the rupture disc.
 前記破裂板装置は、前記破裂板の管路下流側に位置し、前記振動測定装置が取り付けられる取付板を備え、
前記振動測定装置は、本体部と測定子とを備えており、
前記本体部は、前記取付板の管路下流側に位置するようになっている、請求項１～３のいずれか１つに記載の破裂板装置。
The rupture disc device includes a mounting plate located downstream of the rupture disc and to which the vibration measurement device is attached,
The vibration measuring device includes a main body and a probe,
The rupture disc device according to any one of claims 1 to 3, wherein the body portion is positioned downstream of the mounting plate in the pipeline.
 前記破裂板装置は、前記破裂板の管路上流側に位置し、管路を開閉する隔離弁を備え、
前記隔離弁は、前記破裂板を交換する際に前記管路を閉止する、請求項１～４のいずれか１つに記載の破裂板装置。 The rupture disc device includes an isolation valve located upstream of the rupture disc and opening and closing the duct,
The rupture disc device according to any one of claims 1 to 4, wherein the isolation valve closes the conduit when replacing the rupture disc.
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS636280A (en) * 1986-05-23 1988-01-12 ファイク・コ−ポレ−ション Vibration-damping explosion control valve
JP2008274871A (en) * 2007-05-01 2008-11-13 Torishima Pump Mfg Co Ltd Water hammer inhibition device
CN211346736U (en) * 2019-11-18 2020-08-25 云南电网有限责任公司电力科学研究院 Rupture membrane monitoring system for GIS equipment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS636280A (en) * 1986-05-23 1988-01-12 ファイク・コ−ポレ−ション Vibration-damping explosion control valve
JP2008274871A (en) * 2007-05-01 2008-11-13 Torishima Pump Mfg Co Ltd Water hammer inhibition device
CN211346736U (en) * 2019-11-18 2020-08-25 云南电网有限责任公司电力科学研究院 Rupture membrane monitoring system for GIS equipment

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