CN214274601U - Positive arch groove type rupture disk device - Google Patents
Positive arch groove type rupture disk device Download PDFInfo
- Publication number
- CN214274601U CN214274601U CN202022056028.0U CN202022056028U CN214274601U CN 214274601 U CN214274601 U CN 214274601U CN 202022056028 U CN202022056028 U CN 202022056028U CN 214274601 U CN214274601 U CN 214274601U
- Authority
- CN
- China
- Prior art keywords
- holder
- groove
- rupture disk
- periphery
- weak
- 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
Images
Landscapes
- Safety Valves (AREA)
Abstract
The utility model discloses a positive camber groove trough type rupture disc device, including last holder, lower holder and rupture disc, be equipped with the weak groove on the rupture disc, the weak groove sets up in the spherical surface arch convex surface side top central point of rupture disc, and is symmetrical "ten" font, the groove depth of weak groove becomes shallow gradually from the center to the periphery, the groove width of weak groove reduces gradually from the center to the periphery, the rupture disc clamping is between last holder and lower holder; this rupture disk device sets up "ten" font weak groove through the processing in spherical surface arch convex surface side top central point at the rupture disk, and contactless medium under operating condition can not appear because of the corruption of medium the fracture, sets up to become shallow gradually to the periphery from the center through the weak groove depth with the rupture disk, and the groove width of weak groove sets up to reduce gradually to the periphery from the center, reaches to set for pressure and can realize central point and put and break in advance, splits to the periphery along the groove in proper order again, releases fully.
Description
Technical Field
The utility model relates to a rupture disk device field especially relates to a positive vault trough of belt type rupture disk device.
Background
The rupture disk device is a weak link artificially arranged in a pressure container system, and when overpressure occurs in the system, the rupture disk breaks and releases the pressure in the pressure container, so that the critical function of protecting the container and a pipeline is achieved. With the continuous development of science and technology and the increasingly intense market competition, the demands of chemical enterprises on cost reduction and efficiency improvement in process control are stronger and stronger. The operating pressure ratio of the rupture disk device serving as a safety protection device becomes a key factor for improving the capacity of enterprises.
The notch of the prior positive arch groove burst disc is positioned at the pressure side, namely the concave side of the burst disc, and the notch depth is consistent. When the device works, a medium directly contacts with the notch of the rupture disk, the rupture disk is easy to crack along the notch due to the corrosion of the medium without reaching the specified burst pressure, the rupture disk is only cracked along the notch but not opened, and the requirement of the discharge amount of a protected device cannot be met. Therefore, the utility model provides a positive vault trough of belt type rupture disc device to solve the weak point among the prior art.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a positive vault groove type rupture disk device, this rupture disk device sets up "ten" font weak groove through the processing of the spherical arch protruding face side top central point position at the rupture disk, contactless medium under operating condition, the fracture can not appear because of the corruption of medium, the weak groove depth through with the rupture disk sets up to become shallow gradually to the periphery from the center, the groove width in weak groove sets up to reduce gradually to the periphery from the center, it can realize central point and put and break in advance to reach the settlement pressure, again in proper order along the groove to the periphery crack, it is abundant to release.
In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme realizes:
the utility model provides a positive trough of belt type rupture disk device, includes holder, lower holder and rupture disk, the holder top is equipped with the holder down, be equipped with weak groove on the rupture disk, weak groove sets up the spherical surface arch convex surface side top central point at the rupture disk, and is symmetry "ten" font, the groove depth of weak groove is shallow to the periphery from center department gradually, the groove width of weak groove reduces to the periphery from center department gradually, the rupture disk clamping is between last holder and lower holder, it is equipped with tang limit structure to go up the holder, the rupture disk reaches holder assembly integral type structure down.
The further improvement lies in that: the weak groove is 13mm from the center to the periphery.
The further improvement lies in that: the width of the weak groove is gradually reduced from 0.6mm to 0.3mm from the center to the periphery; the groove depth of the weak groove becomes gradually shallow from 0.6mm to 0.3mm from the center to the periphery.
The further improvement lies in that: the circumference centre gripping position of rupture disk is equipped with the recess, goes up the holder and is equipped with the sealing line with rupture disk recess department of correspondence, goes up the holder and bites into through the sealing line with the contact surface of rupture disk sealedly.
The further improvement lies in that: go up the tang limit structure of holder and be, go up the holder and be equipped with the tang recess along the circumference in the outside of sealing line, the rupture disk excircle is equipped with spacing arch with tang recess phase-match, and spacing arch is fixed with tang recess block.
The further improvement lies in that: the side surface of the circumference of the lower holder is of a conical surface structure, and the bottom end closing-in of the upper holder is matched with the lower holder to form the conical surface structure.
The further improvement lies in that: the conical surfaces of the lower holder and the upper holder form a plane 10-15 with the horizontal plane0。
The utility model has the advantages that:
1. the cross-shaped weak groove is processed and arranged at the center of the top of the spherical arched convex surface side of the rupture disk, the direction of the weak groove is uniformly staggered with the rolling direction of the rupture disk material, and the stress is uniform; the weak groove is arranged on the arched convex surface side of the rupture disk, does not contact with a medium in a working state, and does not crack due to corrosion of the medium.
2. The weak groove depth of the rupture disk is set to be gradually shallow from the center to the periphery, the groove width of the weak groove is set to be gradually reduced from the center to the periphery, the central position can be firstly broken by reaching set pressure, then the weak groove is cracked to the periphery along the groove in sequence, the release is sufficient, the release area reaches 90% of the standard release area, and the safety of equipment is ensured.
3. The utility model discloses a rupture disk can promote 85% from 70% of original structure with operating pressure ratio, and equipment operating pressure allows 85% that reaches rupture disk minimum burst pressure promptly, has realized great input output rate, and does not have the piece after the blasting.
4. The utility model discloses an it is fixed that last holder passes through tang limit structure block with lower holder, can stabilize centre gripping rupture disk in simple to operate, reduce cost, effectively prevents about the rupture disk drunkenness, and less to the fixed damage of rupture disk.
5. The utility model discloses an go up holder, rupture disk and lower holder and assemble into integral type structure, prevent that rupture disk direction from adorning anti-reversely.
6. The utility model discloses an go up holder, lower holder circumference side and be the conical surface structure, adjust well automatically when closing up, with rupture disk decentraction when preventing to assemble, influence the blasting function of rupture disk.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic plan view of the rupture disk structure of the present invention.
Wherein: 1. an upper clamp holder; 2. a lower clamp holder; 3. a rupture disk; 4. a weak slot; 5. a seal line; 6. a groove; 7. a spigot groove; 8. and (5) closing the opening.
Detailed Description
In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.
Example 1
According to the fig. 1-2, the embodiment provides a positive arch groove type rupture disk device, which comprises an upper holder 1, a lower holder 2 and a rupture disk 3, wherein the upper holder 1 is arranged above the lower holder 2, the rupture disk 3 is provided with a weak groove 4, the weak groove 4 is arranged at the central position of the top of the spherical arch convex surface side of the rupture disk 3 and is in a symmetrical cross shape, the length of the weak groove 4 from the center to the periphery is 13mm, the groove depth of the weak groove 4 is gradually reduced from 0.6mm to 0.3mm from the center to the periphery, the groove width of the weak groove 4 is gradually reduced from 0.6mm to 0.3mm from the center to the periphery, the rupture disk 3 is clamped between the upper holder 1 and the lower holder 2, and the upper holder 1, the rupture disk 3 and the lower holder 2 are assembled into an integrated structure; the circumference centre gripping position of rupture disk is equipped with recess 6, goes up the holder and is equipped with sealing line 5 with rupture disk recess department of correspondence, goes up the holder 1 and bites into sealedly through sealing line with the contact surface of rupture disk 3. Go up holder 1 and be equipped with tang limit structure, tang limit structure does, goes up the holder and is equipped with tang recess 7 along the circumference in the outside of sealing line 5, and rupture disc excircle and tang recess phase-match are equipped with spacing arch, and spacing arch is fixed with tang recess 7 block.
The circumference side of the lower holder is of a conical surface structure, and the bottom end closing-in 8 of the upper holder is matched with the lower holder to form the conical surface structure. The conical surfaces of the lower holder and the upper holder form a plane 10-15 with the horizontal plane0。
The cross-shaped weak groove 4 is processed and arranged at the center of the top of the spherical arched convex surface side of the rupture disk 3, the direction of the weak groove 4 is uniformly staggered with the rolling direction of the rupture disk 3 material, and the stress is uniform; the weak groove 4 is arranged on the arch convex side of the rupture disk 3, does not contact with a medium in a working state, and does not crack due to corrosion of the medium.
The utility model discloses carry out 500 experiments, contrast all experimental data results, the length of confirming weak groove is 13mm by center to periphery, 4 groove depths in weak groove that set up rupture disk 3 are set up to become shallow gradually by 0.6mm to 0.3mm to the periphery from the center, the groove width of weak groove 4 sets up to reduce gradually by 0.6mm to 0.3mm to the periphery from the center, it can realize central point and put and break in advance to reach the settlement pressure, follow the groove in proper order again and split to the periphery, it is abundant to release, the area of releasing reaches 90% of standard area of releasing, ensure equipment safety.
The utility model discloses a rupture disk 3 can promote the operating pressure ratio to 85% from 70% of original structure, and equipment operating pressure allows to reach rupture disk 3 minimum burst pressure's 85% promptly, has realized great input output rate, and does not have the piece after the blasting.
The experiment of the utility model proves that the conical surfaces of the lower holder and the upper holder are arranged at 10-15 degrees with the horizontal plane0The upper clamp holder 1 and the lower clamp holder 2 can stably clamp the rupture disk 3, and the rupture disk 3 is less in fixed damage, too large in angle and unstable in buckling; the angle is too small, the installation is inconvenient and the reliability is poor.
Example 2
The rupture disk can also adopt a double-layer membrane structure, namely, an anti-corrosion membrane which is consistent with the arch shape of the rupture disk is arranged below the rupture disk, the anti-corrosion membrane and the clamping end of the rupture disk are compounded into a whole, a cross anti-corrosion weak groove is arranged on the arch convex surface of the anti-corrosion membrane and corresponds to the rupture disk weak groove, the groove depth of the anti-corrosion weak groove is gradually reduced from the center to the periphery, and the groove width of the anti-corrosion weak groove is gradually reduced from the center to the periphery; the corrosion of the high-temperature and high-pressure corrosion medium to the rupture disk can be isolated by the arrangement of the anticorrosive film, and other structures are the same as those in embodiment 1.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a positive hunch trough of belt type rupture disk device which characterized in that: including last holder (1), lower holder (2) and rupture disk (3), holder (2) top is equipped with holder (1) down, be equipped with weak groove (4) on rupture disk (3), weak groove (4) set up the sphere arch convex surface side top central point at rupture disk (3) and are symmetry "ten" font, the groove depth of weak groove (4) becomes shallow to the periphery from the center department gradually, the groove width of weak groove (4) reduces to the periphery from the center department gradually, rupture disk (3) clamping is last holder (1) and down between holder (2), it is equipped with tang limit structure to go up holder (1), rupture disk (3) and lower holder (2) assemble into integral type structure.
2. A positive camber slotted rupture disc device according to claim 1, wherein: the length of the weak groove (4) from the center to the periphery is 13 mm.
3. A positive camber slotted rupture disc device according to claim 1, wherein: the width of the weak groove (4) is gradually reduced from 0.6mm to 0.3mm from the center to the periphery; the groove depth of the weak groove (4) becomes shallow gradually from 0.6mm to 0.3mm from the center to the periphery.
4. A positive camber slotted rupture disc device according to claim 1, wherein: the circumference centre gripping position of rupture disk is equipped with recess (6), goes up the holder and is equipped with sealing line (5) with rupture disk recess department of correspondence, goes up the holder (1) and bites into sealedly through sealing line with the contact surface of rupture disk (3).
5. A positive camber slotted rupture disc device according to claim 1, wherein: go up the tang limit structure of holder (1) and do, go up the holder and be equipped with tang recess (7) along the circumference in the outside of sealing line, the rupture disk excircle is equipped with spacing arch with tang recess phase-match, and spacing arch is fixed with tang recess block.
6. A positive camber slotted rupture disc device according to claim 1, wherein: the circumference side of the lower holder is of a conical surface structure, and a bottom end closing-in (8) of the upper holder is matched with the lower holder to form the conical surface structure.
7. A positive camber slotted rupture disc device according to claim 1, wherein: the conical surfaces of the lower holder and the upper holder form a plane 10-15 with the horizontal plane0。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022056028.0U CN214274601U (en) | 2020-09-18 | 2020-09-18 | Positive arch groove type rupture disk device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022056028.0U CN214274601U (en) | 2020-09-18 | 2020-09-18 | Positive arch groove type rupture disk device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214274601U true CN214274601U (en) | 2021-09-24 |
Family
ID=77805393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022056028.0U Active CN214274601U (en) | 2020-09-18 | 2020-09-18 | Positive arch groove type rupture disk device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214274601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115978192A (en) * | 2023-01-10 | 2023-04-18 | 安徽美祥实业有限公司 | Skeleton structure sealing film and preparation method thereof |
-
2020
- 2020-09-18 CN CN202022056028.0U patent/CN214274601U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115978192A (en) * | 2023-01-10 | 2023-04-18 | 安徽美祥实业有限公司 | Skeleton structure sealing film and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214274601U (en) | Positive arch groove type rupture disk device | |
| CN205978926U (en) | Double containment coupling structure | |
| CN102386358B (en) | Rupture membrane and lithium ion battery with same | |
| CN207958530U (en) | Protect structure in the hole of a kind of sandblasting and anodic process | |
| US20100276425A1 (en) | Cap For A Port Of A Pressurized Container Or Conduit | |
| US3080091A (en) | Pressure safety device | |
| CN201425110Y (en) | Safety device for anti-arch groove welded rupture disc | |
| CN203146951U (en) | Rupture disk device for long pipe trailer | |
| CN201966267U (en) | Rupture membrane and lithium ion battery with same | |
| CN212907968U (en) | Safety valve block for sealing square lithium ion battery | |
| CN219350448U (en) | Explosion-proof piece and lithium battery cap body | |
| CN207145701U (en) | A kind of vacuum/pressurized blasting piece device of releasing of ultralow pressure | |
| CN205423984U (en) | Rupture disc device | |
| CN2934871Y (en) | Cutting type blasting sheet device | |
| CN213018329U (en) | Pneumatic type pipeline sealing actuator | |
| CN209258844U (en) | A kind of fluid reservoir with relief valve | |
| CN215418485U (en) | Safety valve block and battery apron | |
| CN211804492U (en) | Tool for vacuum welding seal in atmospheric environment | |
| CN210240630U (en) | Pneumatic fluorine-lined cutting ball valve | |
| CN203431184U (en) | Radiator automatic exhaust valve | |
| CN109088013A (en) | A kind of alkaline zinc-manganese battery and its sealing body sealing ring | |
| CN221323421U (en) | High-reliability flange welding inverted arch radial slotting rupture disk | |
| CN212839589U (en) | Inverted arch ring blade type rupture disk device | |
| CN209179889U (en) | Engine and its cylinder head assembly | |
| CN222067706U (en) | Vertex type rupture disk device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |