CN103090068B - Magnetic force type rupture disk safety device - Google Patents
Magnetic force type rupture disk safety device Download PDFInfo
- Publication number
- CN103090068B CN103090068B CN201310036073.1A CN201310036073A CN103090068B CN 103090068 B CN103090068 B CN 103090068B CN 201310036073 A CN201310036073 A CN 201310036073A CN 103090068 B CN103090068 B CN 103090068B
- Authority
- CN
- China
- Prior art keywords
- ring
- rupture disk
- magnet
- disk safety
- clamp holder
- 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.)
- Active
Links
Landscapes
- Safety Valves (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention discloses a magnetic force type rupture disk safety device which comprises a lower clamp holder assembly, an upper clamp holder assembly and a protective membrane fixed between the lower clamp holder assembly and the upper clamp holder assembly. The magnetic force type rupture disk safety device is characterized in that the protective membrane is arranged between a concave platform I of a lower clamp holder and a boss I of an upper clamp holder, and the protective membrane is fixed and tightly clamped between the upper clamp holder assembly and the lower clamp holder assembly through attracting magnetic force generated by a magnetic ring I and a magnetic ring II. Through the magnetic force generated by the magnetic ring I and the magnetic ring II, burst pressure of the rupture disk safety device is controlled. The magnetic force type rupture disk safety device can be debugged and detected set by set, and has the advantages of being high in safety coefficient, capable of only replacing the protective membrane in the replacing process, low in using cost, accurate and sensitive in discharge motion, good in fatigue resistant performance and the like. The working pressure can reach 90% of the smallest burst pressure. The magnetic force type rupture disk safety device is suitable for working conditions of gas phase, liquid phase, gas-liquid mixture and dust.
Description
Technical field
The present invention relates to a kind of rupture disk safety installations, specifically a kind of magnet type rupture disk safety installations.
Background technique
Rupture disk safety installations classification comprises positive arch, plate shaped, antiarch shape and graphite mould, is widely used at present in industries such as oil, chemical industry, the energy, electric power, metallurgy, fire-fighting, pharmacy and national defence.
Positive arch rupture disk safety installations and plate shaped rupture disk safety installations all belong to tension type destruction, its working principle is all the stressed rear generation tensile buckling of material, in the time reaching the ultimate strength of weak spot of material or material setting, rupture disk destroys, and opens passage, the medium of releasing.Antiarch shape rupture disk safety installations belongs to unstability type to be destroyed, it is a kind of shape deterioration, namely in the time that the material structure setting in advance or size are born pressure and are reached capacity pressure, rupture disk shape wrecks suddenly, suddenly the process borehole blasting sheet changing in shape destroys along Unclosing structure, open passage, the medium of releasing.Graphite mould rupture disk safety installations belongs to stretching and shears the comprehensive type of destroying, and in the time reaching bursting pressure, stretching or shear fracture occur graphite material, open passage, the medium of releasing.
The above-mentioned type rupture disk safety installations final inspection can only judge whether the performance of product meets the demands by sampling bursting test (destruction test).There is risk in sampling, also just may exist portioned product can not meet performance requirement but not be pumped to and be judged as the situation of acceptable product, brings hidden danger to the safe operation of protected equipment.
Summary of the invention
According to the technical problem of above-mentioned proposition, and provide a kind of magnet type rupture disk safety installations.The present invention utilizes the bursting pressure of the Magnetic Control rupture disk safety installations of magnet ring I and the generation of magnet ring II, and in the time that working pressure is less than bursting pressure, any distortion does not occur rupture disk safety installations; In the time that working pressure reaches bursting pressure; the sealing configuration that lower gripper arranges lost efficacy, and protection diaphragm compression area increases suddenly, and orificing strength plate is lifted rapidly; the rapid biaxial tension of protection diaphragm destroys, and superpressure medium is by the sieve aperture safety relief of orificing strength plate.
The technological means that the present invention adopts is as follows:
A kind of magnet type rupture disk safety installations, comprise lower gripper assembly, upper clamper assembly and be fixed on described lower gripper assembly and described upper clamper assembly between protection diaphragm, it is characterized in that:
Described lower gripper assembly comprises lower gripper, magnet ring I and positioning ring I; Described lower gripper upper surface is provided with concave station I; Described lower gripper lower surface is provided with the groove I for holding described magnet ring I, described magnet ring I by described positioning ring I and described lower gripper lower surface fixed closed in described groove I;
Described upper clamper assembly comprises clamp holder, positioning ring II, magnet ring II and orificing strength plate; Described positioning ring II is fixed on the upper surface of described upper clamp holder; The lower surface of described upper clamp holder is provided with the boss I matching with described concave station I; The inwall side of described upper clamp holder lower surface is also provided with for spacing reducing boss; Described orificing strength plate is provided with multiple equally distributed sieve apertures, and described orificing strength plate upper surface is provided with the concave station II for fixing described magnet ring II, and the lower surface of described orificing strength plate is provided with the concave station III matching with described reducing boss;
Described protection diaphragm is placed between described concave station I and described boss I, and the attraction magnetic force producing by described magnet ring I and described magnet ring II fixes to clamp described protection diaphragm between described upper clamper assembly and described lower gripper assembly.
Preferably, in described concave station I, be also provided with the groove II for holding O-ring seals.
Preferably, the upper end, inwall both sides of described groove II is also provided with for the ring-type circular bosses I of enhanced leaktightness and ring-type circular bosses II, and described ring-type circular bosses I and the upper surface of described ring-type circular bosses II and the surface of described concave station I are in the same horizontal line.
Preferably, in described concave station I, be also provided with the groove III for having isolated totally enclosed normal pressure space.
Preferably, the distance between described orificing strength plate upper-end surface and positioning ring II lower end surface is h
1, h
1meet: h
1> 0.35d
6, wherein, d
6for the internal diameter of described reducing boss; The internal diameter of described concave station III is d
4, be highly h
3, d
4and h
3meet: d
4< d
6, h
3> h
2, wherein, h
2for the height of described reducing boss.
Preferably, described protection diaphragm is metal or non-metal anti-corrosion material, and the bursting pressure of described magnet type rupture disk safety installations is P
1, described protection diaphragm is along d
6biaxial tension bursting pressure is P
2, P
2meet following relation:
3d
5P
1/d
6＜P
2＜(d
6 2+nd
5 2-d
1 2)P
1/2d
6 2
Wherein, d
1for the internal diameter of lower gripper, the inner diameter d of described reducing boss
6equal the outside diameter d of described groove III
2, d
5for the internal diameter of described sieve aperture, the quantity that n is described sieve aperture.
Preferably, described magnet ring I and described magnet ring II are measure-alike high temperature resistant permanent magnetic iron, and the attraction magnetic force that described magnet ring I and described magnet ring II produce is F, and F meets: F=(d
1 2-nd
5 2) π P
1/ 4.
Preferably, described lower gripper, positioning ring I, upper clamp holder, positioning ring II, orificing strength plate and protection diaphragm are nonmagnetic substance.
Magnet type rupture disk safety installations of the present invention is bursting pressure by being separately positioned on the Magnetic Control rupture disk safety installations that magnet ring I in lower gripper assembly and upper clamper assembly and magnet ring II produce.Wherein, the effect of the O RunddichtringO arranging in lower gripper is to pass to after orificing strength plate when magnetic force, and orificing strength plate is delivered to protection diaphragm and compresses O RunddichtringO, realizes soft seal; The effect of ring-type circular bosses I and ring-type circular bosses II is to pass to after orificing strength plate when magnetic force, and orificing strength plate is delivered to protection diaphragm hold-down ring shape circular bosses I and ring-type circular bosses II, realizes sealing firmly; Described protection diaphragm is metal or non-metal anti-corrosion material, and moderate strength, in the time that working pressure reaches bursting pressure, protect diaphragm rapidly biaxial tension destroy, but can not destroy along the sieve aperture of orificing strength plate again while normally working; What the sieve aperture on described orificing strength plate utilized useful area with maximum controls mode setting, strengthens discharge area, reaches the requirement of releasing.
Compare compared with prior art, the present invention has the following advantages:
1, can be by cover debugging and inspection, safety coefficient is high.
2, protective film chip architecture is simple, and range of choice is wide, only changes protection diaphragm when replacing, and user cost is low.
3, be applicable to gas phase, liquid phase, gas-liquid mixed and dust operating mode.
4, action accurately sensitive, fatigue performance good, working pressure can reach 90% of minimum burst pressure.
This magnet type rupture disk safety installations is suitable for extensively promoting in safety anti-explosive fields such as oil, chemical industry, the energy, electric power, metallurgy, fire-fightings for the foregoing reasons.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of lower gripper assembly in the present invention.
Fig. 3 is the structural representation of lower gripper in the present invention.
Fig. 4 is the partial enlarged drawing at I place in Fig. 3.
Fig. 5 is the structural representation of upper clamper assembly in the present invention.
Fig. 6 is the schematic diagram of upper clamp holder in the present invention.
Fig. 7 is the structural representation of orificing strength plate in the present invention.
Fig. 8 is the plan view of orificing strength plate in the present invention.
Fig. 9 is the schematic diagram of working pressure of the present invention while being less than bursting pressure.
Figure 10 is the schematic diagram of working pressure of the present invention while equaling bursting pressure.
Figure 11 is the graph of relation of unit area magnetic force and distance.
In figure: 1, lower gripper assembly 11, lower gripper 111, ring-type circular bosses I 112, ring-type circular bosses II 113, groove II 114, groove III 115, concave station I 116, groove I 12, magnet ring I 13, positioning ring I 2, protection diaphragm 3, upper clamper assembly 31, positioning ring II 32, upper clamp holder 321, reducing boss 322, boss I 33, magnet ring II 34, orificing strength plate 341, sieve aperture 342, concave station III 343, concave station II 4, O-ring seals 5, flange 6, fastening piece
Embodiment
As shown in Figure 1, a kind of magnet type rupture disk safety installations, comprise that lower gripper assembly 1(is as shown in Figure 2), upper clamper assembly 3(as shown in Figure 5) and be fixed on the protection diaphragm 2 between described lower gripper assembly 1 and described upper clamper assembly 3, described lower gripper assembly 1 comprises lower gripper 11, magnet ring I 12 and positioning ring I 13; Described lower gripper 11(is as shown in Figure 3, Figure 4) upper surface is provided with concave station I 115, in described concave station I 115, be also provided with the groove II 113 for holding O-ring seals 4, magnetic force is delivered to described protection diaphragm 2 by orificing strength plate 34 and compresses O RunddichtringO 4, realizes soft seal; The upper end, inwall both sides of described groove II 113 is also provided with for the ring-type circular bosses I 111 of enhanced leaktightness and ring-type circular bosses II 112, described ring-type circular bosses I 111 and the upper surface of described ring-type circular bosses II 112 and the surface of described concave station I 115 are in the same horizontal line, magnetic force is delivered to protection diaphragm 2 by orificing strength plate 34 and compresses ring-type circular bosses I 111 and ring-type circular bosses II 112, realizes sealing firmly; In described concave station I 115, be also provided with groove III 114, in the time that working pressure is less than the bursting pressure of rupture disk safety installations, groove III 114 and protection diaphragm 2 form sealing configuration, the normal pressure space for sealing in groove III 114; In the time that working pressure equals the bursting pressure of rupture disk safety installations, sealing configuration lost efficacy, and entered medium in groove III 114 and can play the effect of augmented thrust upwards; Described lower gripper 11 lower surfaces are provided with the groove I 116 for holding described magnet ring I 12, and described magnet ring I 12 is fixed with described lower gripper 11 lower surface screws by described positioning ring I 13, and magnet ring I 12 is enclosed in described groove I 116.
As shown in Figure 5, described upper clamper assembly 3 comprises that clamp holder 32(is as shown in Figure 6), positioning ring II 31, magnet ring II 33 and orificing strength plate 34(as shown in Figure 7, Figure 8); Described positioning ring II 31 is fixed by screws in the upper surface of described upper clamp holder 32; The lower surface of described upper clamp holder 32 is provided with the boss I 322 matching with described concave station I 115, the i.e. inner diameter d of concave station I 115
3equal the outside diameter d of boss I 322
7; The inwall side of described upper clamp holder 32 lower surfaces is also provided with for spacing reducing boss 321; Described orificing strength plate 34 is provided with multiple equally distributed sieve apertures 341, described orificing strength plate 34 upper surfaces are provided with the concave station II 343 for fixing described magnet ring II 33, described magnet ring II 33 is interference fit with described concave station II 343, and the lower surface of described orificing strength plate 34 is provided with the concave station III 342 matching with described reducing boss 321; Distance between described orificing strength plate 34 upper-end surfaces and positioning ring II 31 lower end surfaces is h
1, h
1meet: h
1> 0.35d
6, wherein, d
6for the internal diameter of described reducing boss 321; The internal diameter of described concave station III 342 is d
4, be highly h
3, d
4and h
3meet: d
4< d
6, h
3> h
2, wherein, h
2for the height of described reducing boss 321.
Described magnet ring I 12 and described magnet ring II 33 are measure-alike high temperature resistant permanent magnetic iron; when assembling; S, the N utmost point match; the attracting magnetic masterpiece producing is used on orificing strength plate 34; the stressed rear and lower gripper assembly 1 clamping protection diaphragm 2 of orificing strength plate 34; the attraction magnetic force that described magnet ring I 12 and described magnet ring II 33 produce is F, and F meets: F=(d
1 2-nd
5 2) π P
1/ 4.
Described lower gripper 11, positioning ring I 13, upper clamp holder 32, positioning ring II 31, orificing strength plate 34 and protection diaphragm 2 are nonmagnetic substance.
Described protection diaphragm 2 is placed between described concave station I 115 and described boss I 322, and the attraction magnetic force producing by described magnet ring I 12 and described magnet ring II 33 fixes to clamp described protection diaphragm 2 between described upper clamper assembly 3 and described lower gripper assembly 1.Described protection diaphragm 2 is metal or non-metal anti-corrosion material, and the bursting pressure of described magnet type rupture disk safety installations is P
1, described protection diaphragm 2 is along d
6biaxial tension bursting pressure is P
2, P
2meet following relation:
3d
5P
1/d
6＜P
2＜(d
6 2+nd
5 2-d
1 2)P
1/2d
6 2
Wherein, d
1for the internal diameter of lower gripper 11, the inner diameter d of described reducing boss 321
6equal the outside diameter d of described groove III 114
2, d
5for the internal diameter of described sieve aperture 341, n is the quantity of described sieve aperture 341.
The distance dependent of the attraction magnetic force F that magnet ring I 12 and magnet ring II 33 produce and the size of magnet ring and two magnet rings, can regulate distance between size and two magnet rings of magnet ring to carry out controlled blasting pressure and meet the demands while manufacturing and designing.
As shown in Figure 9, carry out fastening by fastening piece 6 and flange 5 to upper clamper assembly and lower gripper assembly when use.When working pressure is less than bursting pressure P
1time, the magnetic force F producing between magnet ring I 12 and magnet ring II 33 is greater than medium thrust F
w, between lower gripper 11, O RunddichtringO 4, protection diaphragm 2, forming complete sealing configuration, protection diaphragm field of load is diameter d
1scope in, there is not any distortion in rupture disk safety installations.
As shown in figure 10, when working pressure reaches bursting pressure P
1time, the sealing configuration that lower gripper 11 arranges lost efficacy, and the soft seal that O RunddichtringO 4 is realized and ring-type circular bosses I 111 and ring-type circular bosses II 112 realize hard seal failure; Protection diaphragm 2 field of loads are by diameter d
1become diameter d
2(or d
6), protection diaphragm 2 compression areas increase suddenly, medium thrust F now
bbe greater than the magnetic force F producing between magnet ring I 12 and magnet ring II 33; orificing strength plate 34 is lifted rapidly; the magnetic force producing between magnet ring I 12 and magnet ring II 33 also reduces rapidly, and the rapid biaxial tension of protection diaphragm 2 destroys, and superpressure medium is by sieve aperture 341 safety reliefs of orificing strength plate 34.
Embodiment 1
Nominal diameter DN=100mm in magnet type rupture disk safety installations, P
1=0.2MPa; d
1=100mm, d
2=d
6=135mm, d
3=d
7=150mm, d
4=134mm, d
5=10mm, n=55, h
1=50mm, magnet ring I and magnet ring II are of a size of Φ 140mm × Φ 110mm × 15mm;
By calculating:
Magnetic force F=(the d needing
1 2-nd
5 2) π P
1/ 4=706.86N;
The lifting surface area of magnet ring I and magnet ring II is: (140
2-110
2) π/4=5890(mm
2);
The magnetic force of magnet ring I and magnet ring II unit area demand is: 706.86N/5890mm
2=0.12N/mm
2;
By unit area magnetic force and distance relation plotted curve (shown in Figure 11) check in after assembling the distance of magnet ring I and magnet ring II be 6.2mm(this be of a size of design size, actual conditions can finally be determined concrete size by debugging).
Protection diaphragm is along d
2the same d of=135mm(
6) biaxial tension bursting pressure P
2meet: 3d
5p
1/ d
6< P
2< (d
6 2+ nd
5 2-d
1 2) P
1/ 2d
6 2, that is: 0.0444MPa < P
2< 0.0752MPa;
Final selection protective film sheet material is perfluoroethylene-propylene (F46), and thickness is 0.10mm, and this protection diaphragm is along d
2=135mm biaxial tension bursting pressure is 0.059MPa.
After sealing configuration loses efficacy, medium thrust was F
b=(d
2 2-nd
5 2) π P
1/ 4=1998.8N.This medium thrust is far longer than magnetic force F=706.86N, so orificing strength plate is lifted rapidly, the biaxial tension of protection diaphragm destroys, the medium of releasing.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in; be equal to replacement or changed according to technological scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
Claims (8)
1. a magnet type rupture disk safety installations, comprise lower gripper assembly (1), upper clamper assembly (3) and be fixed on described lower gripper assembly (1) and described upper clamper assembly (3) between protection diaphragm (2), it is characterized in that:
Described lower gripper assembly (1) comprises lower gripper (11), magnet ring I (12) and positioning ring I (13); Described lower gripper (11) upper surface is provided with concave station I (115); Described lower gripper (11) lower surface is provided with the groove I (116) for holding described magnet ring I (12), described magnet ring I (12) by described positioning ring I (13) and described lower gripper (11) lower surface fixed closed in described groove I (116);
Described upper clamper assembly (3) comprises clamp holder (32), positioning ring II (31), magnet ring II (33) and orificing strength plate (34); Described positioning ring II (31) is fixed on the upper surface of described upper clamp holder (32); The lower surface of described upper clamp holder (32) is provided with the boss I (322) matching with described concave station I (115); The inwall side of described upper clamp holder (32) lower surface is also provided with for spacing reducing boss (321); Described orificing strength plate (34) is provided with multiple equally distributed sieve apertures (341), described orificing strength plate (34) upper surface is provided with the concave station II (343) for fixing described magnet ring II (33), and the lower surface of described orificing strength plate (34) is provided with the concave station III (342) matching with described reducing boss (321);
Described protection diaphragm (2) is placed between described concave station I (115) and described boss I (322), and the attraction magnetic force producing by described magnet ring I (12) and described magnet ring II (33) fixes to clamp described protection diaphragm (2) between described upper clamper assembly (3) and described lower gripper assembly (1).
2. magnet type rupture disk safety installations according to claim 1, is characterized in that: in described concave station I (115), be also provided with the groove II (113) for holding O-ring seals (4).
3. magnet type rupture disk safety installations according to claim 2, it is characterized in that: the upper end, inwall both sides of described groove II (113) is also provided with for the ring-type circular bosses I (111) of enhanced leaktightness and ring-type circular bosses II (112), the upper surface of described ring-type circular bosses I (111) and described ring-type circular bosses II (112) and the surface of described concave station I (115) are in the same horizontal line.
4. magnet type rupture disk safety installations according to claim 3, is characterized in that: in described concave station I (115), be also provided with the groove III (114) for having isolated totally enclosed normal pressure space.
5. magnet type rupture disk safety installations according to claim 4, is characterized in that: the distance between described orificing strength plate (34) upper-end surface and positioning ring II (31) lower end surface is h
1, h
1meet: h
1> 0.35d
6, wherein, d
6for the internal diameter of described reducing boss (321); The internal diameter of described concave station III (342) is d
4, be highly h
3, d
4and h
3meet: d
4< d
6, h
3> h
2, wherein, h
2for the height of described reducing boss (321).
6. magnet type rupture disk safety installations according to claim 5, is characterized in that: described protection diaphragm (2) is metal or non-metal anti-corrosion material, and the bursting pressure of described magnet type rupture disk safety installations is P
1, described protection diaphragm (2) is along d
6biaxial tension bursting pressure is P
2, P
2meet following relation:
3d
5P
1/d
6＜P
2＜(d
6 2+nd
5 2-d
1 2)P
1/2d
6 2
Wherein, d
1for the internal diameter of lower gripper (11), the inner diameter d of described reducing boss (321)
6equal the outside diameter d of described groove III (114)
2, d
5for the internal diameter of described sieve aperture (341), n is the quantity of described sieve aperture (341).
7. magnet type rupture disk safety installations according to claim 6, it is characterized in that: described magnet ring I (12) and described magnet ring II (33) are measure-alike high temperature resistant permanent magnetic iron, the attraction magnetic force that described magnet ring I (12) and described magnet ring II (33) produce is F, and F meets: F=(d
1 2-nd
5 2) π P
1/ 4.
8. magnet type rupture disk safety installations according to claim 1, is characterized in that: described lower gripper (11), positioning ring I (13), upper clamp holder (32), positioning ring II (31), orificing strength plate (34) and protection diaphragm (2) are nonmagnetic substance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310036073.1A CN103090068B (en) | 2013-01-30 | 2013-01-30 | Magnetic force type rupture disk safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310036073.1A CN103090068B (en) | 2013-01-30 | 2013-01-30 | Magnetic force type rupture disk safety device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103090068A CN103090068A (en) | 2013-05-08 |
| CN103090068B true CN103090068B (en) | 2014-07-23 |
Family
ID=48203006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310036073.1A Active CN103090068B (en) | 2013-01-30 | 2013-01-30 | Magnetic force type rupture disk safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103090068B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882622B (en) * | 2019-04-19 | 2024-09-03 | 福州闽龙铁路工程有限公司 | Explosion pressure relief device and explosion pressure relief system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4245749A (en) * | 1979-01-10 | 1981-01-20 | General American Transportation Corporation | Safety device |
| CN1514156A (en) * | 2003-07-20 | 2004-07-21 | 大连理工大学 | Dropping type safety decompression device |
| RU2272207C1 (en) * | 2004-07-02 | 2006-03-20 | Общество с ограниченной ответственностью "Научно-исследовательский и проектно- конструкторский институт химического машиностроения" (ООО "ЛЕННИИХИММАШ") | Safety device for pressure vessel |
| CN102678991A (en) * | 2012-05-21 | 2012-09-19 | 大连理工安全装备有限公司 | Flat split rupture disc device with novel structure |
| CN203082300U (en) * | 2013-01-30 | 2013-07-24 | 大连理工安全装备有限公司 | Magnetic type rupture disk safety device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6948515B2 (en) * | 2000-07-07 | 2005-09-27 | Zook Enterprises, Llc | Carbon rupture disk assembly |
-
2013
- 2013-01-30 CN CN201310036073.1A patent/CN103090068B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4245749A (en) * | 1979-01-10 | 1981-01-20 | General American Transportation Corporation | Safety device |
| CN1514156A (en) * | 2003-07-20 | 2004-07-21 | 大连理工大学 | Dropping type safety decompression device |
| RU2272207C1 (en) * | 2004-07-02 | 2006-03-20 | Общество с ограниченной ответственностью "Научно-исследовательский и проектно- конструкторский институт химического машиностроения" (ООО "ЛЕННИИХИММАШ") | Safety device for pressure vessel |
| CN102678991A (en) * | 2012-05-21 | 2012-09-19 | 大连理工安全装备有限公司 | Flat split rupture disc device with novel structure |
| CN203082300U (en) * | 2013-01-30 | 2013-07-24 | 大连理工安全装备有限公司 | Magnetic type rupture disk safety device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103090068A (en) | 2013-05-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108291661B (en) | Rupture disk device and assembling method thereof | |
| US10591096B2 (en) | Mechanical seal assembly | |
| WO2018038535A3 (en) | Cathode active material for secondary battery and manufacturing method thereof | |
| CN105179966A (en) | Underwater impact-resistant shock-absorbing lighting lamp | |
| CN103090068B (en) | Magnetic force type rupture disk safety device | |
| CN106179124A (en) | A kind of anvil for producing high pressure | |
| MX2010006261A (en) | Ring sealed diaphragm. | |
| US10030774B2 (en) | Metal seal fitting for use on a pipeline | |
| CN203082300U (en) | Magnetic type rupture disk safety device | |
| CN201425110Y (en) | Safety device for anti-arch groove welded rupture disc | |
| US10508739B2 (en) | Mechanical seal assembly | |
| RU2652012C1 (en) | Explosive proof element with the emergency alarm system | |
| CN204677755U (en) | A kind of safety pressure container | |
| CN102678919A (en) | Pressure container | |
| CN2934871Y (en) | Cutting type blasting sheet device | |
| CN107763049A (en) | A kind of reactor pressure vessel hydraulic nut | |
| CN203023734U (en) | Externally covering seal plugging clamping apparatus | |
| CN206320372U (en) | A kind of blasting piece device | |
| CN208816825U (en) | A kind of antiarch annular groove blasting piece device of carrying magnetic switch alarm function | |
| JP4239487B2 (en) | Self-tightening method for ultra-high pressure vessel | |
| CN103277551A (en) | Corrugated pipe sealing rupture disk device | |
| CN103133733B (en) | Reverse-arched type rupture disc capable of accurately controlling rupture pressure | |
| CN202302139U (en) | Safety valve with replaceable corrugated pipe | |
| CN202371377U (en) | Small high-pressure blasting integral welding rupture disc assembly | |
| US10697253B2 (en) | Blast resistant material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 116620 No. 26, Liaohe East Road, Shuang D port, Dalian economic and Technological Development Zone, Liaoning Patentee after: Dalian Duda technology Safety System Co., Ltd Address before: 116620, No. 26, Liaohe East Road, Shuang D port, Jinzhou New District, Liaoning, Dalian Patentee before: DALIAN LIGONG SAFETY EQUIPMENT Co.,Ltd. |