CN110185826A - A kind of right arch band groove profile rupture disk back pressure bracket of the resistance to back pressure without the low flow resistance of fragment - Google Patents
A kind of right arch band groove profile rupture disk back pressure bracket of the resistance to back pressure without the low flow resistance of fragment Download PDFInfo
- Publication number
- CN110185826A CN110185826A CN201910595631.5A CN201910595631A CN110185826A CN 110185826 A CN110185826 A CN 110185826A CN 201910595631 A CN201910595631 A CN 201910595631A CN 110185826 A CN110185826 A CN 110185826A
- Authority
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- China
- Prior art keywords
- arch
- back pressure
- support portion
- rupture disk
- diameter
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 239000012634 fragment Substances 0.000 title claims abstract description 26
- 238000009738 saturating Methods 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims 1
- 238000004880 explosion Methods 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 7
- 230000009172 bursting Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/14—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member
- F16K17/16—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member with fracturing diaphragm ; Rupture discs
- F16K17/1606—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member with fracturing diaphragm ; Rupture discs of the reverse-buckling-type
Abstract
The present invention provides a kind of right arch band groove profile rupture disk back pressure bracket of the resistance to back pressure without the low flow resistance of fragment, including double-layer structure, upper layer are domed support, and lower layer is annular supporting structure；The domed support includes arch support portion and built-in edge；The annular supporting structure includes circular ring structure and ramp projections；Arch support portion surface is disposed radially four saturating seams, and a through-hole is arranged in arch support portion center, and described four keep at a distance t for the one end at the close arch support portion center of seam and the edge of the through-hole thoroughly；Circumferentially arranged eight circumferential welds in the lower part in the arch support portion, diameter of a circle is less than the diameter in the arch support portion where the circumferential weld；The internal diameter of the annular supporting structure is less than diameter of a circle where the circumferential weld, and is greater than the right arch of domed support support and releases diameter with the specified minimum of groove profile rupture disk.Solve the problems, such as that conventional blast piece support construction is not suitable for being easy to produce fragment when full runner opens operating condition, high pressure explosion.
Description
Technical field
The present invention relates to safe overpressure relief technical fields, specifically, more particularly to a kind of resistance to back pressure without the low stream of fragment
The right arch band groove profile rupture disk back pressure bracket of resistance.
Background technique
Traditional right arch band groove profile rupture disk is mostly cross flute profile rupture disk.It mostly uses greatly in manufacture and processes in the plane
Weaken slot, then using air pressure or it is hydraulic encircleed in advance it is arched.When burst pressure is not high, the back pressure energy of the resistance to side of releasing of rupture disk
Power is weaker, generally significantly less than bursting pressure of bursting sheet；If side of releasing is with the presence of the operating condition much larger than bursting pressure of bursting sheet, quick-fried
Fragmentation will be flattened damage, and rupture disk must have support at this time, prevent from damaging.Conventional blast piece support construction has:
1. convex surface porous sieve plate structure
This structure is that have the support of figure sieve plate using machine-tooled method according to the arcuate in shape of rupture disk, which is
Can be with resistance to arbitrarily large back pressure, but discharge area is often inadequate, when special fluid passes through sieve plate hole, has larger flow resistance, no
The working condition requirement of the suitable runner opening that demand perfection.
2. full-open type ring-crack ventilation bracket
Such carrier structure is dome-shaped diaphragm, is machined with " C " circumferential weld in arch face lower part, " cap " shape is formed, wherein there is one
It point does not cut, to hold cut portion, the part is prevented when rupture disk explosion fragment occur by air-flow tearing.Such structure exists
The disadvantage is that often there is fragment when high pressure explosion, even if the part is tearing when explosion, but when high pressure-temperature long-time gas is logical
Escape orifice is crossed, air-flow can be generated compared with large disturbances, increase fluid flow resistance, and can be torn to form fragment and fall off by air-flow.
Being additionally present of a serious problems is: if the Phillips-type rupture disk accuracy of manufacture is inadequate, failing pintongs while opening
It splits, then this circumferential weld shape bracket can be got lodged on the not completely open bleed outlet of rupture disk, cause not releasing, due to bleed outlet part
It is blocked by thicker bracket diaphragm, just will appear the rupture disk being not switched on and be superimposed with bracket, rupture disk to be made to fully open needs very
High pressure just can be with.
Summary of the invention
It is easy to produce when being not suitable for operating condition, the high pressure explosion that full runner is opened according to conventional blast piece support construction set forth above
The technical problems such as raw fragment, and a kind of right arch band groove profile rupture disk back pressure bracket of the resistance to back pressure without the low flow resistance of fragment is provided.This hair
It is bright mainly to be designed by being interrupted distance between the saturating seam of arch support portion surface setting radial direction and circumferential weld, reasonable circumferential weld, it can protect
Card pintongs support chip is not fallen off, guarantee bracket without fragment, while back pressure bracket pintongs standard-sized sheet with the trough of belt rupture disk of upper layer as, reality
Resistance to back pressure, the Rational structure without fragment, low flow resistance type back pressure bracket are showed.
The technological means that the present invention uses is as follows:
A kind of right arch band groove profile rupture disk back pressure bracket of the resistance to back pressure without the low flow resistance of fragment, the back pressure bracket are installed on just
Below arch band groove profile rupture disk, for providing support for right arch trough of belt type rupture disk；The back pressure bracket includes double-layer structure, on
Layer is domed support, and lower layer is annular supporting structure；
The domed support includes arch support portion and built-in edge, and the built-in edge is located at the arch support portion
Lower outside, the edge along the arch support portion are arranged in a ring；
The annular supporting structure includes integrally formed circular ring structure and ramp projections, and the circular ring structure is fixed on institute
It states below built-in edge, the ramp projections are fixed on the lower inside in the arch support portion, the inclined-plane of the ramp projections
Part is seamless applying with the lower surface in the arch support portion；
Arch support portion surface is disposed radially four seams thoroughly, and a through-hole is arranged in arch support portion center,
Described four keep at a distance t for the one end at the close arch support portion center of seam and the edge of the through-hole thoroughly, and the range of t is
1.0mm-2.0mm；
Circumferentially arranged eight circumferential welds in the lower part in the arch support portion, diameter of a circle is less than the arch where the circumferential weld
The diameter of shape support portion；
The internal diameter of the annular supporting structure is less than diameter of a circle where the circumferential weld, and is greater than the domed support and supports
Right arch release diameter with the specified minimum of groove profile rupture disk.
Further, diameter of a circle where the circumferential weld is 4mm-5mm smaller than the diameter in the arch support portion.
Further, the internal diameter of the circular ring structure is 4mm-5mm smaller than diameter of a circle where the circumferential weld.
Further, four saturating seams that arch support portion surface is disposed radially are in cross.
Compared with the prior art, the invention has the following advantages that
Right arch band groove profile rupture disk back pressure bracket of the resistance to back pressure provided by the invention without the low flow resistance of fragment, by arch branch
The setting of support part surface radial seam and circumferential weld thoroughly, when right arch trough of belt rupture disk reaches burst pressure, rupture disk moment explosion pintongs is complete
It opens, back pressure bracket is under airflow function, and four radial directions are stitched between intermediate small sircle hole thoroughly apart from very little, and pintongs support chip is opened completely
It is split into pintongs, while interruption distance design between reasonable circumferential weld, it is ensured that pintongs support chip is not fallen off, and guarantees bracket without broken
Piece, while back pressure bracket pintongs standard-sized sheet as the trough of belt rupture disk of upper layer, it is ensured that runner is completely unimpeded, without hindrance, significantly subtracts
Small flow resistance.
To sum up, it applies the technical scheme of the present invention by the way that radial seam and circumferential weld thoroughly is arranged on arch support portion surface, rationally
Circumferential weld between interruption distance design, it is ensured that pintongs support chip is not fallen off, guarantee bracket without fragment, while back pressure bracket with it is upper
The same pintongs standard-sized sheet of layer trough of belt rupture disk, realizes resistance to back pressure, the Rational structure without fragment, low flow resistance type back pressure bracket.Therefore,
Technical solution of the present invention solves conventional blast piece support construction and is not suitable for being easy when operating condition, the high pressure explosion that full runner is opened
The problems such as generating fragment.
The present invention can be widely popularized in fields such as safe overpressure reliefs based on the above reasons.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is that the invention resistance to back pressure is illustrated without the right arch band groove profile rupture disk back pressure carrier structure of the low flow resistance of fragment
Figure.
Fig. 2 is the top view of the invention domed support.
In figure: 1, domed support；11, built-in edge；12, arch support portion；13, it stitches thoroughly；14, through-hole；15, circumferential weld；2,
Annular supporting structure；21, ramp projections；22, circular ring structure.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.It is real to the description of at least one exemplary embodiment below
It is merely illustrative on border, never as to the present invention and its application or any restrictions used.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to exemplary embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be clear that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.Technology known for person of ordinary skill in the relevant, side
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, appointing should be construed as merely illustratively to occurrence, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention: the noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under its device or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
Embodiment 1
As shown in Figs. 1-2, the right arch band groove profile rupture disk back pressure the present invention provides a kind of resistance to back pressure without the low flow resistance of fragment
Bracket, the back pressure bracket is installed below right arch band groove profile rupture disk, for providing support for right arch trough of belt type rupture disk；Institute
The shape for stating domed support 1 matches with the right arch with the shape of groove profile rupture disk；The back pressure bracket includes double-layer structure,
Upper layer is domed support 1, and lower layer is annular supporting structure 2；
The domed support 1 includes arch support portion 12 and built-in edge 11, and the built-in edge 11 is located at the arch
The lower outside of support portion 1, the edge along the arch support portion 12 are arranged in a ring；
The annular supporting structure 2 includes integrally formed circular ring structure 22 and ramp projections 21, the circular ring structure 22
It is fixed on 11 lower section of built-in edge, the ramp projections 21 are fixed on the lower inside in the arch support portion 1, described oblique
The chamfered portion of face protrusion 21 and the lower surface in the arch support portion 12 are seamless applying；
12 surface of arch support portion is disposed radially four seams 13 thoroughly, and 12 center of arch support portion is arranged one
Through-hole 14, described four are stitched 13 thoroughly and kept at a distance close to the one end at 12 center of arch support portion and the edge of the through-hole 14
The range of t, t are 1.0mm-2.0mm；The size of distance t is determined by experiment, and when should ensure that rupture disk explosion, four are stitched thoroughly and can be torn
Split hole edge, it is ensured that pintongs is opened；
Circumferentially arranged eight circumferential welds 15 in the lower part in the arch support portion 12, the 15 place diameter of a circle of circumferential weld are less than
The diameter D in the arch support portion 12；
The internal diameter d of the annular supporting structure 2 is less than the 15 place diameter of a circle of circumferential weld, and is greater than the domed support
The right arch of 1 support is released diameter with the specified minimum of groove profile rupture disk, i.e., minimum as defined in right arch band groove profile rupture disk itself is let out
Straighten diameter.
Further, the 15 place diameter of a circle of circumferential weld is 4mm-5mm smaller than the diameter in the arch support portion 12, with drop
Low domed support 1 overturns deformation rigidity, it is ensured that when rupture disk explosion, 1 pintongs of domed support opens completely, guarantees that leakage path is smooth
It is logical, fluid flow non-resistance, while guaranteeing that fragment does not occur in pintongs.
Further, the internal diameter of the circular ring structure 22 is 4mm-5mm smaller than the 15 place diameter of a circle of circumferential weld.
Further, four saturating seams 13 that 12 surface of arch support portion is disposed radially are in cross.
Further, the domed support 1 is assembled into one with the annular supporting structure 2 using Nian Jie or spot welding mode.
When trough of belt rupture disk is unbearable by greater back-pressure, the downward slight deformation of trough of belt rupture disk and back pressure bracket are tight
Contiguity touching, at this moment back pressure suffered by rupture disk is just all born by back pressure bracket, ensures that right arch trough of belt rupture disk is not sent out in this way
Raw unstable failure.When bearing back pressure, upper layer domed support 1 plays main support, and lower layer's annular supporting structure 2 is in auxiliary branch
Support effect, prevents downward deformation instability at circumferential weld, this spline structure can bear greater back-pressure.
Upper layer domed support 1, dome height h match with right arch trough of belt rupture disk, and 1 thickness of domed support can be by letting out
Diameter and magnitude of back pressure is straightened to determine by Strength co-mputation.The processing of 1 surface radial direction of the domed support four saturating seams 13, four
For seam 14 by the top of the domed support 1 until bottom, there are a diameter 6mm through-hole 14, four seams 13 and 14 side of through-hole in centre thoroughly
The distance t of edge is smaller, should be calculated and be determined by bursting pressure of bursting sheet, bore of releasing, diaphragm thickness and the strength of materials.
Lower layer's annular supporting structure 2 plays support left and right to upper layer domed support 1, improves the resistance to back pressure ability of bracket, the ring
Less than eight 15 place diameter of a circles of circumferential weld of shape support construction internal diameter, when back pressure is less high, the annular supporting structure 2 can be with
Using with 1 same thickness of domed support, material and process forming, form arch, then will be encircleed using laser or spark cutting
Shape top is cut away, and forms ramp projections, the annular supporting structure internal diameter is not less than desired diameter of releasing, when back pressure is higher
When, the annular supporting structure can be formed using machine-tooled method.
When upper layer, right arch trough of belt rupture disk reaches burst pressure, rupture disk moment explosion pintongs standard-sized sheet, lower layer's domed support 1
Under airflow function, four radial directions are stitched between 13 and intermediate throughholes 14 thoroughly apart from very little, will be thrust by the air-flow of immediate leakage, four
Valve support chip drives outer deformation upwards by air-flow, since there is the circumferential weld 15 of abated effect in pintongs support chip root, can significantly drop
The rigidity of low pintongs support chip, with regard to complete flare up's pintongs, while between reasonable circumferential weld 15, interruption distance is set pintongs support chip
Meter, it is ensured that pintongs support chip is not fallen off, and guarantee bracket is without fragment, while arch back pressure bracket is as the trough of belt rupture disk of upper layer
Pintongs standard-sized sheet, it is ensured that runner is completely unimpeded, without hindrance, significantly reduces flow resistance, realizes resistance to back pressure, without fragment, low flow resistance type
The Rational structure of back pressure bracket designs.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented by previous embodiment, or some or all of the technical features are equal
Replacement；And these are modified or replaceed, the model for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (4)
1. a kind of right arch band groove profile rupture disk back pressure bracket of resistance to back pressure without the low flow resistance of fragment, the back pressure bracket are installed on right arch
Below band groove profile rupture disk, for providing support for right arch trough of belt type rupture disk；It is characterized in that, the back pressure bracket includes two
Layer structure, upper layer is domed support, and lower layer is annular supporting structure；
The domed support includes arch support portion and built-in edge, and the built-in edge is located at the lower part in the arch support portion
Outside, the edge along the arch support portion are arranged in a ring；
The annular supporting structure includes integrally formed circular ring structure and ramp projections, and the circular ring structure is fixed on described solid
Below deckle edge, the ramp projections are fixed on the lower inside in the arch support portion, the chamfered portion of the ramp projections
It is seamless applying with the lower surface in the arch support portion；
Arch support portion surface is disposed radially four seams thoroughly, and a through-hole is arranged in arch support portion center, described
Four keep at a distance t for the one end at the close arch support portion center of seam and the edge of the through-hole thoroughly, and the range of t is 1.0mm-
2.0mm；
Circumferentially arranged eight circumferential welds in the lower part in the arch support portion, diameter of a circle is less than the arch branch where the circumferential weld
The diameter of support part；
The internal diameter of the annular supporting structure is less than diameter of a circle where the circumferential weld, and is greater than domed support support just
Specified minimum of the arch with groove profile rupture disk is released diameter.
2. right arch band groove profile rupture disk back pressure bracket of the resistance to back pressure according to claim 1 without the low flow resistance of fragment, feature
It is, diameter of a circle where the circumferential weld is 4mm-5mm smaller than the diameter in the arch support portion.
3. right arch band groove profile rupture disk back pressure bracket of the resistance to back pressure according to claim 1 without the low flow resistance of fragment, feature
It is, the internal diameter of the circular ring structure is 4mm-5mm smaller than diameter of a circle where the circumferential weld.
4. right arch band groove profile rupture disk back pressure bracket of the resistance to back pressure according to claim 1 without the low flow resistance of fragment, feature
It is, four saturating seams that arch support portion surface is disposed radially are in cross.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910595631.5A CN110185826A (en) | 2019-07-03 | 2019-07-03 | A kind of right arch band groove profile rupture disk back pressure bracket of the resistance to back pressure without the low flow resistance of fragment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910595631.5A CN110185826A (en) | 2019-07-03 | 2019-07-03 | A kind of right arch band groove profile rupture disk back pressure bracket of the resistance to back pressure without the low flow resistance of fragment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110185826A true CN110185826A (en) | 2019-08-30 |
Family
ID=67724834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910595631.5A Pending CN110185826A (en) | 2019-07-03 | 2019-07-03 | A kind of right arch band groove profile rupture disk back pressure bracket of the resistance to back pressure without the low flow resistance of fragment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110185826A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114127384A (en) * | 2019-09-05 | 2022-03-01 | 哈利伯顿能源服务公司 | Downhole barrier with barrier housing and integrally formed fracture section |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB774812A (en) * | 1954-08-30 | 1957-05-15 | Johnson Matthey Co Ltd | Improvements in and relating to vacuum supports for pressure releasing devices |
| DE202009001389U1 (en) * | 2009-02-05 | 2009-04-09 | Basf Se | Rupture disk and device for mounting a rupture disk |
| US20090302035A1 (en) * | 2008-06-04 | 2009-12-10 | Fike Corporation | Rupture disc with machined line of opening |
| CN201487336U (en) * | 2009-08-28 | 2010-05-26 | 上海华理安全装备有限公司 | Large-caliber backpressure-resistant right arch slotting type rupture disk |
| CN203823176U (en) * | 2014-05-07 | 2014-09-10 | 徐州八方安全设备有限公司 | High vacuum backpressure device of arch slotting type rupture disk |
| CN205877315U (en) * | 2016-06-20 | 2017-01-11 | 上海华理安全装备有限公司 | Two -way rupture disc device is used to plate storage tank |
| CN210372184U (en) * | 2019-07-03 | 2020-04-21 | 大连度达理工安全系统有限公司 | Back pressure resistant positive arch groove type rupture disk back pressure bracket without fragments and with low flow resistance |
-
2019
- 2019-07-03 CN CN201910595631.5A patent/CN110185826A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB774812A (en) * | 1954-08-30 | 1957-05-15 | Johnson Matthey Co Ltd | Improvements in and relating to vacuum supports for pressure releasing devices |
| US20090302035A1 (en) * | 2008-06-04 | 2009-12-10 | Fike Corporation | Rupture disc with machined line of opening |
| CN102112788A (en) * | 2008-06-04 | 2011-06-29 | 法克有限公司 | Rupture disc with machined line of opening |
| DE202009001389U1 (en) * | 2009-02-05 | 2009-04-09 | Basf Se | Rupture disk and device for mounting a rupture disk |
| CN201487336U (en) * | 2009-08-28 | 2010-05-26 | 上海华理安全装备有限公司 | Large-caliber backpressure-resistant right arch slotting type rupture disk |
| CN203823176U (en) * | 2014-05-07 | 2014-09-10 | 徐州八方安全设备有限公司 | High vacuum backpressure device of arch slotting type rupture disk |
| CN205877315U (en) * | 2016-06-20 | 2017-01-11 | 上海华理安全装备有限公司 | Two -way rupture disc device is used to plate storage tank |
| CN210372184U (en) * | 2019-07-03 | 2020-04-21 | 大连度达理工安全系统有限公司 | Back pressure resistant positive arch groove type rupture disk back pressure bracket without fragments and with low flow resistance |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114127384A (en) * | 2019-09-05 | 2022-03-01 | 哈利伯顿能源服务公司 | Downhole barrier with barrier housing and integrally formed fracture section |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 116620 No. 26, Liaohe East Road, Shuang D port, Dalian economic and Technological Development Zone, Liaoning Applicant after: Dalian Duda technology Safety System Co., Ltd Address before: 116620, No. 26, Liaohe East Road, Shuang D port, Jinzhou New District, Liaoning, Dalian Applicant before: DALIAN LIGONG SAFETY EQUIPMENT Co.,Ltd. |
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| CB02 | Change of applicant information |