CN2212119Y - Ring groove drop type explosive sheet device - Google Patents

Ring groove drop type explosive sheet device Download PDF

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Publication number
CN2212119Y
CN2212119Y CN 95230430 CN95230430U CN2212119Y CN 2212119 Y CN2212119 Y CN 2212119Y CN 95230430 CN95230430 CN 95230430 CN 95230430 U CN95230430 U CN 95230430U CN 2212119 Y CN2212119 Y CN 2212119Y
Authority
CN
China
Prior art keywords
rupture disk
comes
part
releasing
side
Prior art date
Application number
CN 95230430
Other languages
Chinese (zh)
Inventor
李志义
王淑兰
毕明树
由宏新
李岳
温殿江
Original Assignee
大连理工大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 大连理工大学 filed Critical 大连理工大学
Priority to CN 95230430 priority Critical patent/CN2212119Y/en
Application granted granted Critical
Publication of CN2212119Y publication Critical patent/CN2212119Y/en

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Abstract

The utility model relates to a ring groove releasing rupture disk device which belongs to the technical field of overpressure explosion protection. The utility model is mainly composed of a rupture disk and a clamper, and is characterized in that an annular weakening groove [2] is processed between a releasing part [1] of the rupture disk, and a fixing part [3]; the edge of the fixing part [3] is fixed by the clamper. Under specified pressure, after broken along the annular weakening groove [2], the releasing part [1] of the rupture disk of the ring groove releasing rupture disk device flies in the discharge direction. The utility model has the main advantages of good sealing performance, simple structure and large discharge capacity. The utility model is suitable for rupture disks in the shape of a right arch, an invert arch and a flat plate.

Description

The utility model is a kind of safety installations that relates to hydrodynamic pressure, belongs to the explosion-proof field of superpressure.

The existing type rupture disk that comes off is with the rupture disk edge; elasticity and supporting ring effect by self are inlayed in the groove of clamp holder; when the pressure of protected pressure system reaches rupture disk specified action pressure (bursting pressure); unstability counter-rotating effect can take place in rupture disk, and the action direction along pressure after integral body comes off flies out.This rupture disk can provide the discharge area of a maximum for overpressure relief.Therefore, relieving capacity is greatly its outstanding advantage.But maximum deficiency is sealing is difficult to obtain assurance, after work a period of time, leaks almost unavoidable.This is because after rupture disk embeds the groove of clamp holder, and the leakage-gap between it and the clamp holder can't adopt the method that increases seal pressure to be eliminated.Therefore, near the annular contact surface between rupture disk and the clamp holder, often scribble one deck sealer, yet, because sealer is aging, especially under the effect of pressure and temperature, between the rupture disk and clamp holder that is caused by the distortion of rupture disk, the relative displacement that produces in the contacting point can make the very fast disengaging of sealer and loses seal action.In order to improve its sealability,, can design seal dissepiment at the compression-side of rupture disk.But this design not only can make its structure complicated, but also understands the fluctuation owing to fluctuation, the especially temperature of pressure, and the sealing barrier film also can breach occur and lose its seal action.In addition, if rupture disk operating temperature when higher (as greater than 200 ℃), the material that is suitable for this seal dissepiment also becomes a difficult problem on engineering.

In order to keep the advantage of the existing type maximum discharge area that rupture disk has that comes off, overcome the shortcoming that it is difficult for sealing, special proposition technical solution of the present utility model.Promptly design a kind of good seal performance, discharge area is big, the novel type blasting piece device that comes off simple in structure.

Basic design of the present utility model is, by enforceable (for example fixing being carried out in the edge section of rupture disk with clamp holder, utilize gripping of bolt force, utilization is welded on non-disconnectable fixing on the clamp holder with rupture disk), eliminate the leakage-gap between rupture disk and the clamp holder, guarantee its sealability; By the part and come off and have and weaken groove between the part of being fixed at rupture disk; when reaching rupture disk specified action pressure (bursting pressure) with the pressure of the protected pressure system of box lunch; the part that comes off will weaken the groove fracture along this separates, and reaches the requirement of the type rupture disk that comes off.

The designed a kind of annular groove of the utility model type blasting piece device that comes off, mainly form by rupture disk and clamp holder two-part, it is characterized in that, be held between the standing part [ 3 ] that device fixes, be processed with annular and weaken groove [ 2 ] at come off part [ 1 ] and its edge of rupture disk.Further feature is, the diameter that annular weakens groove [ 2 ] should provide big as far as possible discharge area with assurance greater than the minimum diameter of clamp holder; Annular weakens groove [ 2 ] can design compression-side at rupture disk, also can design the side of releasing at rupture disk, in order to improve the working life of rupture disk, generally annular should be weakened the release side of groove [ 2 ] design at rupture disk; Annular weakens the shape of groove [ 2 ] itself, can be triangle, rectangle, trapezoidal, semicircle etc., and in order to improve the fatigue strength of rupture disk, the root that weakens groove [ 2 ] in annular adds should avoid wedge angle man-hour as far as possible; The part [ 1 ] that comes off of rupture disk, can be processed into arch concavity, form the antiarch annular groove type rupture disk structure that comes off, at this moment, the convex surface of its arch is as the compression-side of rupture disk, the annular groove of this structure type blasting piece device that comes off is specially adapted to the lower occasion of its pressure ratio of protected pressure system; The part [ 1 ] that comes off of rupture disk, also can be processed into the arch convex surface, form the right arch annular groove type rupture disk structure that comes off, at this moment, the concave surface of its arch is as the compression-side of rupture disk, the annular groove of this structure type blasting piece device that comes off is specially adapted to the higher occasion of its pressure ratio of protected pressure system; The part [ 1 ] that comes off of rupture disk can also be processed into a flat disk, forms the dull and stereotyped annular groove type rupture disk structure that comes off, and the annular groove of this structure type rupture disk that comes off has the simplest advantage of structure.

Major advantage of the present utility model is: good seal performance, simple in structure, discharge area is big.It can be widely used in the fluid-pressure system of industries such as chemical industry, petrochemical industry, chemistry, metallurgy, electric power, transportation.

Be the description of the drawings below:

Fig. 1 is that the designed a kind of antiarch annular groove with arch concavity of the utility model type blasting piece device that comes off is faced generalized section.The convex surface of the part [ 1 ] that comes off of rupture disk is as compression-side, and leg-of-mutton annular weakens the release side of groove [ 2 ] processing at rupture disk, and the standing part of rupture disk [ 3 ] is fastened between clamp holder [ 4 ] by bolt [ 5 ].The direction of arrow is rupture disk pressurized direction, and arrow mark side is the compression-side of rupture disk, and the opposite side relative with it then is the side of releasing of rupture disk.Annular weakens the minimum diameter of the diameter of groove [ 2 ] greater than clamp holder [ 4 ].

Fig. 2 is that the designed a kind of right arch annular groove with arch form convex surface of the utility model type blasting piece device that comes off is faced generalized section.The concave surface of the part [ 1 ] that comes off of rupture disk is as compression-side, and leg-of-mutton annular weakens the release side of groove [ 2 ] processing at rupture disk, and the standing part of rupture disk [ 3 ] is fastened between clamp holder [ 4 ] by bolt [ 5 ].The direction of arrow is rupture disk pressurized direction, and arrow mark side is the compression-side of rupture disk, and the opposite side relative with it then is the side of releasing of rupture disk.Annular weakens the minimum diameter of the diameter of groove [ 2 ] greater than clamp holder [ 4 ].

Fig. 3 is that the designed dull and stereotyped annular groove of the utility model type blasting piece device that comes off is faced generalized section.Each designation among the figure, all same Fig. 1 of implication.Different is that the part [ 1 ] that comes off of rupture disk is the plane.

Fig. 4 is the designed rupture disk plan structure schematic representation of the utility model.The rupture disk core part [ 1 ] that is to come off, the edge section is to be held the mandatory fixing standing part of device [ 3 ], rupture disk is weakened groove [ 2 ] by circular triangle and is divided into and comes off and fix two parts.

Fig. 5 faces generalized section for the type blasting piece device that comes off that prior art adopted.Rupture disk is by the elasticity of self and the effect of supporting ring [ 6 ], inlay in the groove [ 7 ] of clamp holder [ 4 ], for making its sealing, between rupture disk that inlays the place and clamp holder, also scribble sealer [ 9 ], compression-side (being arrow mark side) at rupture disk, also design has seal dissepiment [ 8 ], and is clamped between clamp holder [ 4 ] by bolt [ 5 ].

Specific embodiment is as follows:

The operation pressure of certain chemical reactor is 0.15MPa, and the internal diameter of leakage path is φ 500mm, and now designing a bursting pressure (operating pressure) is 0.2MPa, and the diameter of releasing is the antiarch annular groove of the φ 500mm type blasting piece device that comes off.The entire outer diameter of rupture disk is designed to φ 560mm, spill arch face height is 100mm, in the rupture disk side of releasing, be processed with ring and weaken groove [ 2 ], it is of a size of diameter is φ 510mm, and wide is the equilateral triangle of 2mm, and the standing part of rupture disk [ 3 ] is fastened on the clamp holder by bolt [ 5 ], promptly become not have and leak the type blasting piece device that comes off, this device is connected on the leakage path of chemical reactor.Because superpressure takes place in the variation of temperature, reactor, the part [ 1 ] that comes off of rupture disk all flies out along the side of releasing, and for overpressure relief provides a maximum discharge area, reaches the safety protection effect to equipment.Afterwards, pull down this blasting piece device, other changes new this kind rupture disk, and state again can put into operation.

Claims (5)

1, a kind of annular groove type blasting piece device that comes off, mainly constituted by rupture disk and clamp holder two-part, it is characterized in that,, be processed with annular and weaken groove [2] being held between the mandatory fixing standing part of device [4] [3] of come off part [1] and its edge of rupture disk.
2, a kind of annular groove according to claim 1 type blasting piece device that comes off is characterized in that, the part [ 1 ] that comes off of rupture disk is processed into arch concavity, and at this moment, its convex surface is as the compression-side of rupture disk.
3, a kind of annular groove according to claim 1 type blasting piece device that comes off is characterized in that, the part [ 1 ] that comes off of rupture disk is processed into the arch convex surface, and at this moment, its concave surface is as the compression-side of rupture disk.
4, the annular groove according to claim 1 type blasting piece device that comes off is characterized in that, the part [ 1 ] that comes off of rupture disk is processed into the plane.
5, according to claim 1 or 2 or the 3 or 4 described a kind of annular grooves type blasting piece device that comes off, it is characterized in that the annular of rupture disk weakens groove [ 2 ] and is arranged on the compression-side of rupture disk or the side of releasing, operated by rotary motion is in the side of releasing.
CN 95230430 1995-03-03 1995-03-03 Ring groove drop type explosive sheet device CN2212119Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 95230430 CN2212119Y (en) 1995-03-03 1995-03-03 Ring groove drop type explosive sheet device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 95230430 CN2212119Y (en) 1995-03-03 1995-03-03 Ring groove drop type explosive sheet device

Publications (1)

Publication Number Publication Date
CN2212119Y true CN2212119Y (en) 1995-11-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 95230430 CN2212119Y (en) 1995-03-03 1995-03-03 Ring groove drop type explosive sheet device

Country Status (1)

Country Link
CN (1) CN2212119Y (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1047830C (en) * 1997-02-20 1999-12-29 陈联芝 Multi-layer sealed explosion-proof safety valve with vibration leakage way
CN100339628C (en) * 2003-07-20 2007-09-26 大连理工大学 Dropping type safety decompression device
CN101517290B (en) * 2006-09-27 2012-02-01 罗伯特.博世有限公司 Pressure compensation element, in particular for pressure compensation in a housing
CN102620019A (en) * 2011-01-25 2012-08-01 施耐德电器工业公司 Pressure limiting valve
CN103167984A (en) * 2010-10-19 2013-06-19 Facc股份公司 Decompression unit

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1047830C (en) * 1997-02-20 1999-12-29 陈联芝 Multi-layer sealed explosion-proof safety valve with vibration leakage way
CN100339628C (en) * 2003-07-20 2007-09-26 大连理工大学 Dropping type safety decompression device
CN101517290B (en) * 2006-09-27 2012-02-01 罗伯特.博世有限公司 Pressure compensation element, in particular for pressure compensation in a housing
CN103167984A (en) * 2010-10-19 2013-06-19 Facc股份公司 Decompression unit
CN103167984B (en) * 2010-10-19 2015-12-16 Facc股份公司 Decompressing unit
US9387917B2 (en) 2010-10-19 2016-07-12 Facc Ag Decompression unit
CN102620019A (en) * 2011-01-25 2012-08-01 施耐德电器工业公司 Pressure limiting valve
CN102620019B (en) * 2011-01-25 2015-12-09 施耐德电器工业公司 Pressure-limit valve

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