CN109882622A - A kind of explosion pressure relief device and explosion pressure relief system - Google Patents
A kind of explosion pressure relief device and explosion pressure relief system Download PDFInfo
- Publication number
- CN109882622A CN109882622A CN201910328281.6A CN201910328281A CN109882622A CN 109882622 A CN109882622 A CN 109882622A CN 201910328281 A CN201910328281 A CN 201910328281A CN 109882622 A CN109882622 A CN 109882622A
- Authority
- CN
- China
- Prior art keywords
- pressure relief
- gasket seal
- explosion pressure
- end cap
- relief device
- 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
- 238000004880 explosion Methods 0.000 title claims abstract description 42
- 238000007789 sealing Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 241000233855 Orchidaceae Species 0.000 claims description 3
- 239000001307 helium Substances 0.000 description 8
- 229910052734 helium Inorganic materials 0.000 description 8
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 8
- 239000007788 liquid Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Abstract
The invention discloses a kind of explosion pressure relief device and explosion pressure relief systems, are related to safety relief technical field.Including cylindrical shell, and the flange being connect with the housing first end, stacking is provided with gasket seal and end cap in the shell, the gasket seal can be sealed with the flange contact, the gasket seal is evenly equipped with multiple first magnet towards the end cap on one side, the end cap is correspondingly arranged on multiple second magnet, and first magnet is identical as the polarity of the second magnet opposite face；The second end of the housing is provided with the limiting section moved in the shell for limiting the end cap, and the housing sidewall is provided with multiple first through hole.It can reduce cost, improve safety and stability when using, and reusable.
Description
Technical field
The present invention relates to safety relief technical fields, in particular to a kind of explosion pressure relief device and explosion pressure release system
System.
Background technique
Low-temperature superconducting technology is realized in subzero 269 degrees Celsius of liquid helium environment, and low-temperature superconducting is in temperature-fall period
A large amount of liquid helium is needed to guarantee cooling, amount of heat enters inside vacuum equipment and becomes liquid helium in temperature-fall period in order to prevent
Helium makes vacuum equipment internal pressure double and damage equipment and explode, and often installs explosion pressure release dress additional on vacuum equipment
It sets as pressure relief safety valve.
It is easy to happen vacuum leak in the use process of conventional blast pressure relief device, not can guarantee vacuum.In addition, rupture disk
It splashes after broken, it is easy to which the equipment near destroying causes secondary injury, or even injury staff, and primary using having
Property, it is expensive.
Summary of the invention
The purpose of the present invention is to provide a kind of explosion pressure relief device and explosion pressure relief systems, can reduce cost, improve
Safety and stability when use, and it is reusable.
The embodiment of the present invention is achieved in that
The one side of the embodiment of the present invention, provides a kind of explosion pressure relief device, including cylindrical shell, and with the shell
The flange of first end connection, the interior stacking of the shell are provided with gasket seal and end cap, and the gasket seal can be with the method
Orchid contact sealing, the gasket seal are evenly equipped with multiple first magnet towards the end cap on one side, and the end cap is correspondingly arranged
There are multiple second magnet, first magnet is identical as the polarity of the second magnet opposite face；The second end of the housing setting
There is the limiting section moved in the shell for limiting the end cap, the housing sidewall is provided with multiple first through hole.
Optionally, the gasket seal is fixedly connected at least two guide posts, and the end cap is correspondingly arranged on pilot hole,
The end cap and the gasket seal are slidably connected by the pilot hole and the guide post.
Optionally, be provided at least two blind holes on the gasket seal, the guide post by the blind hole with it is described
Gasket seal is fixedly connected.
Optionally, the flange is edge of a knife flange, is provided with round boss on the gasket seal, the round boss with
The annular knife edge contact of the edge of a knife flange seals.
Optionally, the limiting section is the annular protrusion that the inner walls are arranged in.
Optionally, the limiting section is the multiple limited posts being detachably connected with the shell.
Optionally, the housing first end is threadedly coupled with the flange.
Optionally, the gasket seal is oxygenless copper material.
Optionally, multiple second through-holes are provided on the end cap.
The another aspect of the embodiment of the present invention provides a kind of explosion pressure relief system, including described in any one as described above
Explosion pressure relief device.
The beneficial effect of the embodiment of the present invention includes:
Explosion pressure relief device and explosion pressure relief system provided in an embodiment of the present invention, pass through the method connecting with housing first end
Orchid keeps the installation of shell more stable, guarantees the reliability of connection.Pass through the gasket seal being stacked in shell and end
Lid, and uniformly distributed multiple first magnet on gasket seal and the second magnetic to repel each other with the first magnet being correspondingly arranged in end cap
Iron makes pressure release demolition set under the dual magneticaction of condition of negative pressure and magnet, and the reliability of lift-off seal helps to ensure that
Higher vacuum degree.When amount of heat enters vacuum equipment, liquid helium absorbs amount of heat and generates a large amount of helium, when vacuum is set
(greater than the magnetic force between the first magnet and the second magnet) when excessive for pressure, gasket seal is jacked up, while being distributed in end cap
The repulsion of upper magnet has a buffering course, reduces the impaired probability of gasket seal.By being arranged in second end of the housing
Limiting section, avoid end cap and be detached from enclosure interior, the distance between end cap and gasket seal is also made to be unlikely to excessive influence the
Magnetic force between one magnet and the second magnet.Moreover, because the buffering of the magnetic force between the first magnet and the second magnet, gasket
Piece is not easy to be damaged after opening, and is used multiple times, and reduces costs.By the multiple first through hole being arranged in housing sidewall,
When gasket seal is jacked up, the gas between gasket seal and end cap can be discharged in time by first through hole, be reduced because of sealing
The unsmooth probability for causing gasket seal that cannot jack up in time and causing danger is discharged in gas between gasket and end cap.Meanwhile it holding
Lid can also play preferable protective effect, will not splash to other than shell after gasket seal is surprisingly crushed, when improving use
Safety.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is one of the structural schematic diagram of explosion pressure relief device provided in an embodiment of the present invention；
Fig. 2 is the second structural representation of explosion pressure relief device provided in an embodiment of the present invention；
Fig. 3 is the third structural representation of explosion pressure relief device provided in an embodiment of the present invention.
Icon: 100- explosion pressure relief device；110- shell；112- first through hole；114- internal screw thread；120- flange；122-
The annular edge of a knife；124- external screw thread；130- gasket seal；The first magnet of 132-；134- blind hole；136- guide post；138- circle is convex
Platform；140- end cap；The second magnet of 142-；144- pilot hole；The second through-hole of 146-；150- limiting section.
Specific embodiment
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
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Referring to Fig.1 and 2, the embodiment of the present invention provides a kind of explosion pressure relief device 100, including cylindrical shell 110, with
And the flange 120 connecting with 110 first end of shell, the interior stacking of shell 110 are provided with gasket seal 130 and end cap 140, gasket
Piece 130 can contact sealing with flange 120, and gasket seal 130 is evenly equipped with multiple first magnet 132 towards end cap 140 on one side,
End cap 140 is correspondingly arranged on multiple second magnet 142, and the first magnet 132 is identical as the polarity of 142 opposite face of the second magnet；Shell
110 second end of body is provided with the limiting section 150 moved in shell 110 for limiting end cap 140, and 110 side wall of shell is provided with
Multiple first through hole 112.
It should be noted that first, the embodiment of the present invention is not particularly limited the shape of shell 110, as long as can rise
The effect of protection is supported to connection.Exemplary, shell 110 can be set into cylindric, keep 110 structure type of shell simple
Change, convenient for being connect with flange 120.Shell 110 may be set to be inner ring as cylinder, and outer ring is multi-edge column-shaped, convenient for assembly
When twist firmly etc..
Second, it assembles for convenience, cylindric magnet can be used in the first magnet 132 and the second magnet 142.The present invention is real
Example is applied to be not particularly limited the number of the first magnet 132 and the second magnet 142 and the direction of magnetic pole.It is exemplary, the first magnet
132 and second magnet 142 the repulsive force that can be needed according to the size of end cap 140 and gasket seal 130 and each other of number
To determine.In addition, the arctic of the first magnet 132 can the South Pole opposite with the arctic of the second magnet 142 or the first magnet 132 with
The South Pole of second magnet 142 is opposite, continues normally to repel as long as can guarantee to have between end cap 140 and gasket seal 130
Power.
Third, the embodiment of the present invention is not particularly limited the structure type of limiting section 150, exemplary, and limiting section 150 can
To be directly to be integrally formed the protrusion of setting with shell 110, or the stop parts such as bolt pin are arranged in 110 second end of shell,
To achieve the purpose that limit.
4th, when low-temperature superconducting vacuum chamber is in negative pressure state, gasket seal 130 is by perpendicular to gasket seal 130
Atmospheric pressure, self gravity vertically downward, by the repulsive force being distributed on gasket seal 130 and end cap 140 between magnet,
The magnetic force being distributed between gasket seal 130 and flange 120.The resultant direction of four power vertically with gasket seal 130, makes gasket
Piece 130 tightly on flange 120, ensure that vacuum leakproofness.Wherein, end cap 140 is correspondingly arranged on multiple second magnet 142,
" correspondence " refers specifically to end cap 140 and is evenly equipped with multiple second magnet 142 on one side towards gasket seal 130, preferably to utilize the
Magnetic force between one magnet 132 and the second magnet 142.
Explosion pressure relief device 100 provided in an embodiment of the present invention is made by the flange 120 connecting with 110 first end of shell
The installation of shell 110 is more stable, guarantees the reliability of connection.Pass through 130 He of gasket seal being stacked in shell 110
End cap 140, and uniformly distributed multiple first magnet 132 on gasket seal 130 and end cap 140 be correspondingly arranged with the first magnetic
The second magnet 142 that iron 132 repels each other makes explosion pressure relief device 100 under the dual magneticaction of condition of negative pressure and magnet, is promoted
The reliability of sealing helps to ensure that higher vacuum degree.When amount of heat enters vacuum equipment, liquid helium absorbs big calorimetric
Amount generates a large amount of helium, when vacuum equipment pressure is excessive (greater than the magnetic force between the first magnet 132 and the second magnet 142),
Gasket seal 130 is jacked up, while the repulsion for being distributed in magnet on end cap 140 has a buffering course, reduces gasket
The impaired probability of piece 130.By the limiting section 150 being arranged in 110 second end of shell, avoids end cap 140 and be detached from shell 110
Inside also makes the distance between end cap 140 and gasket seal 130 be unlikely to the first magnet 132 of excessive influence and the second magnet 142
Between magnetic force.Moreover, because the buffering of the magnetic force between the first magnet 132 and the second magnet 142, gasket seal 130 open
After be not easy to be damaged, be used multiple times, reduce costs.By the multiple first through hole 112 being arranged in 110 side wall of shell,
When gasket seal 130 is jacked up, the gas between gasket seal 130 and end cap 140 can be discharged in time by first through hole 112,
Reduce because between gasket seal 130 and end cap 140 gas discharge it is unsmooth cause gasket seal 130 that cannot jack up in time due to draw
Send out dangerous probability.Meanwhile end cap 140 can also play preferable protective effect, will not fly after gasket seal 130 is surprisingly broken
It splashes to other than shell 110, improves safety when use.
As shown in Fig. 2, being fixedly connected at least two guide posts 136 with gasket seal 130, end cap 140 is correspondingly arranged on
Pilot hole 144, end cap 140 and gasket seal 130 are slidably connected by pilot hole 144 and guide post 136.
Specifically, the embodiment of the present invention does not do specific limit to the type of attachment between gasket seal 130 and guide post 136
System, it is exemplary, at least two blind holes 134 are provided on gasket seal 130, guide post 136 passes through blind hole 134 and gasket seal
130 are fixedly connected.Using the above structure, after gasket seal 130 is opened, gasket seal 130 can be along guide post 136
Extending direction slides and will not deviate and rotate.So, it both ensure that the precision of installation, meanwhile, it can be in disassembly
Guide post 136 is used as operation handle, worker is facilitated to dismount.In addition, using this type of attachment, in gasket seal 130
After damage, gasket seal 130 is only needed to change, guide post that no replacement is required 136.Production cost is saved.
As shown in Fig. 2, flange 120 is edge of a knife flange, round boss 138, round boss are provided on gasket seal 130
138 contact sealing with the annular edge of a knife 122 of edge of a knife flange.
Specifically, the annular edge of a knife 122 makes its deformation achieve the purpose that seal vacuum by squeezing gasket seal 130, it is
The key position of all-metal sealing.Round boss 138 is set on gasket seal 130, when gasket seal 130 and the annular edge of a knife 122
When pressing, gasket seal 130 with deformation occurs, and the annular edge of a knife 122 can 130 a part of indentation sealing gasket.When being provided with circle
When shape boss 138, when the annular edge of a knife 122 is pressed with gasket seal 130, reduce because of 130 edge of gasket seal and 120 side of flange
Edge touches, and the annular edge of a knife 122 is made to press untight probability with gasket seal 130.Using this form, it is ensured that vacuum
Leak rate makes vacuum leak rate better than 1.0 × 10-7PaL/s is conducive to the stability and reliability of lift-off seal, meanwhile, it improves close
The structural strength of gasket 130 reduces the probability that 130 stress of gasket seal is damaged when because of explosion.
Optionally, limiting section 150 is the annular protrusion that 110 inner wall of shell is arranged in.
So, without additionally carrying out the assembly of limiting section 150 to shell 110, the step of when simplifying assembly, favorably
In the stability for the structural strength and connection for promoting limiting section 150.
Optionally, as shown in Figure 1, limiting section 150 is the multiple limited posts being detachably connected with shell 110.
Specifically, being provided with multiple mounting holes in 110 side wall of shell, pass through the settable bolt of the mounting hole or bolt
Deng when the rupture of gasket seal 130 needs replacing, after only directly bolt or bolt need to be dismantled, directly from 110 second end of shell
Taking-up.It no longer needs to remove shell 110 from flange 120, keeps maintenance more convenient when replacing components, shorten dimension
Protect the time.
As shown in Fig. 2, 110 first end of shell is threadedly coupled with flange 120.
Specifically, the medial surface of 110 first end of shell is provided with internal screw thread 114, external screw thread is correspondingly arranged on flange 120
124.So, shell 110 can make to be convenient between shell 110 and flange 120 between flange 120 using being threadedly coupled
Dismantling connection.In addition, 120 contour structures of flange can be transferred or be welded according to actual condition with size for connection,
The present invention is not particularly limited this, and the connection of explosion pressure relief device 100 and vacuum equipment is also made to have very strong flexibility.
Optionally, gasket seal 130 is oxygenless copper material.Gasket seal 130 uses oxygenless copper material, with existing graphite
Grommet type seal piece or other kinds of gasket seal are compared, and price is lower, are conducive to reduce production cost, moreover, oxygen-free copper material
Expect that corrosion resisting property and cryogenic property are good, the reliability that can be sealed with lift-off seal gasket 130.
As shown in figure 3, being provided with multiple second through-holes 146 on end cap 140.
So, stability when explosion can be preferably promoted, is avoided because between gasket seal 130 and end cap 140
Air flow property is compared with the normal use for influencing explosion pressure relief device 100.
The embodiment of the invention also discloses a kind of explosion pressure relief system, the explosion pressure relief device including any one as above
100.The explosion pressure relief system includes structure identical with the explosion pressure relief device 100 in previous embodiment and beneficial effect.It is quick-fried
The structure and beneficial effect of broken pressure relief device 100 are described in detail in the aforementioned embodiment, and details are not described herein.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of explosion pressure relief device, which is characterized in that including cylindrical shell, and the method being connect with the housing first end
Orchid, the interior stacking of the shell are provided with gasket seal and end cap, and the gasket seal can be sealed with the flange contact, described
Gasket seal is evenly equipped with multiple first magnet towards the end cap on one side, and the end cap is correspondingly arranged on multiple second magnet,
First magnet is identical as the polarity of the second magnet opposite face；The second end of the housing is provided with for limiting the end
The limiting section moved in the shell is covered, the housing sidewall is provided with multiple first through hole.
2. explosion pressure relief device according to claim 1, which is characterized in that the gasket seal is fixedly connected at least two
A guide post, the end cap are correspondingly arranged on pilot hole, and the end cap and the gasket seal pass through the pilot hole and described
Guide post is slidably connected.
3. explosion pressure relief device according to claim 2, which is characterized in that be provided at least two on the gasket seal
Blind hole, the guide post are fixedly connected by the blind hole with the gasket seal.
4. explosion pressure relief device according to claim 1 or 2, which is characterized in that the flange is edge of a knife flange, described close
Round boss, the annular knife edge contact sealing of the round boss and the edge of a knife flange are provided on gasket.
5. explosion pressure relief device according to claim 1, which is characterized in that the limiting section is to be arranged in the shell
The annular protrusion of wall.
6. explosion pressure relief device according to claim 1, which is characterized in that the limiting section is detachable with the shell
Multiple limited posts of connection.
7. explosion pressure relief device according to claim 1, which is characterized in that the housing first end and the flange screw thread
Connection.
8. explosion pressure relief device according to claim 1-3, which is characterized in that the gasket seal is oxygen-free copper
Material.
9. explosion pressure relief device according to claim 8, which is characterized in that it is logical to be provided with multiple second on the end cap
Hole.
10. a kind of explosion pressure relief system, which is characterized in that including explosion pressure relief device described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910328281.6A CN109882622A (en) | 2019-04-19 | 2019-04-19 | A kind of explosion pressure relief device and explosion pressure relief system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910328281.6A CN109882622A (en) | 2019-04-19 | 2019-04-19 | A kind of explosion pressure relief device and explosion pressure relief system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109882622A true CN109882622A (en) | 2019-06-14 |
Family
ID=66938109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910328281.6A Pending CN109882622A (en) | 2019-04-19 | 2019-04-19 | A kind of explosion pressure relief device and explosion pressure relief system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109882622A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2879965Y (en) * | 2006-01-26 | 2007-03-21 | 优盛医学科技股份有限公司 | Air-releasing and pressure-relief device of hemopiezometer |
| KR20090067335A (en) * | 2007-12-21 | 2009-06-25 | 엠티에이치콘트롤밸브(주) | Pressure relief valve |
| CN103090068A (en) * | 2013-01-30 | 2013-05-08 | 大连理工安全装备有限公司 | Magnetic force type rupture disk safety device |
| CN203023593U (en) * | 2012-12-04 | 2013-06-26 | 中国科学院大连化学物理研究所 | Novel high speed pulse valve device |
| CN104455563A (en) * | 2014-11-07 | 2015-03-25 | 山西高行液压股份有限公司 | Ultra-high-pressure reversing valve with pressure relief function |
| CN204345160U (en) * | 2014-12-16 | 2015-05-20 | 重庆鸽牌电工材料有限公司 | Magnetic force pressure relief device |
| CN206429723U (en) * | 2017-02-10 | 2017-08-22 | 安徽理工大学 | A kind of explosion pressure relief device |
| US20170370489A1 (en) * | 2014-05-08 | 2017-12-28 | Agm Container Controls, Inc. | Two-way valve with rapid decompression flow dynamics |
| KR20190032008A (en) * | 2017-09-19 | 2019-03-27 | 송기현 | Pressure relief device using magnet |
| CN210034563U (en) * | 2019-04-19 | 2020-02-07 | 深圳市星环磁控技术有限公司 | Blasting pressure relief device and blasting pressure relief system |
-
2019
- 2019-04-19 CN CN201910328281.6A patent/CN109882622A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2879965Y (en) * | 2006-01-26 | 2007-03-21 | 优盛医学科技股份有限公司 | Air-releasing and pressure-relief device of hemopiezometer |
| KR20090067335A (en) * | 2007-12-21 | 2009-06-25 | 엠티에이치콘트롤밸브(주) | Pressure relief valve |
| CN203023593U (en) * | 2012-12-04 | 2013-06-26 | 中国科学院大连化学物理研究所 | Novel high speed pulse valve device |
| CN103090068A (en) * | 2013-01-30 | 2013-05-08 | 大连理工安全装备有限公司 | Magnetic force type rupture disk safety device |
| US20170370489A1 (en) * | 2014-05-08 | 2017-12-28 | Agm Container Controls, Inc. | Two-way valve with rapid decompression flow dynamics |
| CN104455563A (en) * | 2014-11-07 | 2015-03-25 | 山西高行液压股份有限公司 | Ultra-high-pressure reversing valve with pressure relief function |
| CN204345160U (en) * | 2014-12-16 | 2015-05-20 | 重庆鸽牌电工材料有限公司 | Magnetic force pressure relief device |
| CN206429723U (en) * | 2017-02-10 | 2017-08-22 | 安徽理工大学 | A kind of explosion pressure relief device |
| KR20190032008A (en) * | 2017-09-19 | 2019-03-27 | 송기현 | Pressure relief device using magnet |
| CN210034563U (en) * | 2019-04-19 | 2020-02-07 | 深圳市星环磁控技术有限公司 | Blasting pressure relief device and blasting pressure relief system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208298910U (en) | A kind of battery pack explosion-proof valve | |
| EP3070219A1 (en) | Explosion vent | |
| CN109882622A (en) | A kind of explosion pressure relief device and explosion pressure relief system | |
| CN208655529U (en) | A kind of GIS circuit breaker housing | |
| KR101759277B1 (en) | Apparatus for fixing transformer of electric power transformation | |
| CN210034563U (en) | Blasting pressure relief device and blasting pressure relief system | |
| CN104841078A (en) | Container valve for gas extinguishing agent steel cylinder | |
| CN107191132A (en) | Sealing sleeve and extension ladder | |
| CN106992461A (en) | A kind of environment-friendly type Switch main body | |
| CN216928440U (en) | High-voltage circuit breaker and circuit breaker connecting box | |
| CN108899100A (en) | A kind of ball bed high-temperature stack sets maintenance sealing structure | |
| CN102361248A (en) | SF6 (sulfur hexafluoride) load switch inflating cabinet (12kV/24kV) with visual windows | |
| CN201466510U (en) | Locked explosion-proof door of lifting mechanism | |
| CN208711362U (en) | A kind of adsorbent units and generalized information system | |
| CN215070913U (en) | Pressure relief device for outdoor sealed electrical box | |
| CN202350973U (en) | Pressure gauge seat capable of automatically preventing leakage | |
| CN209067932U (en) | A kind of seven flourin propane fire extinction system container value for capableing of automatic alarm | |
| CN213900756U (en) | Chemical pipeline safety cover convenient to dismouting | |
| CN220965380U (en) | Explosion venting sealing piece and electric box body | |
| CN212479877U (en) | Anti-loosening mechanism of connecting bolt | |
| CN210571594U (en) | Sampling port of oil smoke pipeline | |
| CN112635234B (en) | Mechanical low-pressure locking device and pole-mounted circuit breaker | |
| CN208985879U (en) | A kind of Medium voltage switch or circuit breaker end cap | |
| CN208622888U (en) | A kind of battery pack MSD mounting assembly | |
| CN2606962Y (en) | Sulfur hexafluoride load switch combined safety device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |