CN221342263U - Reinforced emergency pressure relief manhole - Google Patents
Reinforced emergency pressure relief manhole Download PDFInfo
- Publication number
- CN221342263U CN221342263U CN202323086670.3U CN202323086670U CN221342263U CN 221342263 U CN221342263 U CN 221342263U CN 202323086670 U CN202323086670 U CN 202323086670U CN 221342263 U CN221342263 U CN 221342263U
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- Prior art keywords
- pressure relief
- group
- sealing
- reinforced
- pressure
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- 238000007789 sealing Methods 0.000 claims abstract description 60
- 238000003466 welding Methods 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model relates to the technical field of pressure relief devices, in particular to a reinforced emergency pressure relief manhole, which is characterized in that when the reinforced emergency pressure relief manhole is used, a flange is arranged on a pressure container, a sealing component and a pressure relief component seal the top end of a cylinder, when the pressure of the pressure container is overlarge, the pressure relief component is far away from the cylinder, so that the pressure of the pressure container passes through the flange and the cylinder and the pressure is relieved through a gap between the pressure relief component and the sealing component, the pressure relief according to a set pressure value is realized, and meanwhile, the extrusion of the sealing component is avoided; the novel pressure relief device comprises a flange, a barrel, a pressure relief assembly and a sealing assembly, wherein the lower end of the barrel is welded on the inner side of the flange, the pressure relief assembly is arranged on the barrel, and the sealing assembly is arranged on the upper portion of the inner side of the flange.
Description
Technical Field
The utility model relates to the technical field of pressure relief devices, in particular to a reinforced emergency pressure relief manhole.
Background
At present, the devices of pressure relief manholes for the market are more in required accessories and are not easy to replace, the sealing ring is an accessory which is frequently required to be used for the pressure relief manholes, the sealing ring is often extruded or deformed by the pressure of the tank body, safety accidents are caused by untimely pressure relief or excessive pressure relief, and meanwhile, the sealing ring is required to be frequently checked and replaced, so that the reinforced emergency pressure relief manholes which can conveniently install the pressure relief manholes and simultaneously avoid the sealing ring from being extruded are very necessary.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the reinforced emergency pressure relief manhole which is convenient to use and install.
The reinforced emergency pressure relief manhole comprises a flange, a cylinder, a pressure relief assembly and a sealing assembly, wherein the lower end of the cylinder is welded on the inner side of the flange; when the pressure vessel is in use, the flange is arranged on the pressure vessel, the sealing assembly and the pressure relief assembly seal the top end of the cylinder body, and when the pressure vessel is in overlarge pressure, the pressure relief assembly is far away from the cylinder body, so that the pressure of the pressure vessel passes through the flange and the cylinder body and the gap between the pressure relief assembly and the sealing assembly is penetrated for pressure relief, and the extrusion of the sealing assembly is avoided when the pressure relief is carried out according to a set pressure value.
Preferably, the pressure relief assembly comprises square plates, valve discs, screws, nuts and return springs, wherein a plurality of groups of square plates are circumferentially arranged on the outer side wall of the cylinder body, round holes are respectively formed in each group of square plates, the valve discs are covered on the top end of the cylinder body, the valve discs are sealed on the top end of the cylinder body, a plurality of groups of screws are arranged on the square plates, the bottom ends of each group of screws respectively penetrate through one group of round holes, a group of nuts are respectively screwed below each group of screws, a group of return springs are arranged between each group of square plates and one group of nuts right below, and each group of return springs are respectively sleeved on the outer sides of one group of screws; the valve disc cover is installed on the top of the cylinder, and a worker rotates the nut according to the pressure value to be decompressed, so that the nut and the square plate are matched to adjust tightness of the return spring, and flexibility is improved.
Preferably, the sealing assembly comprises a concave block and a sealing ring, a plurality of groups of concave blocks are circumferentially arranged on the inner side wall of the cylinder, one group of sealing rings are respectively connected with the plurality of groups of concave blocks in an embedded manner, and the top ends of the sealing rings are flush with the top end of the cylinder; when the valve disc seals the top of barrel, the bottom of valve disc simultaneously with the top contact of sealing washer, improve the leakproofness, the sealing washer passes through concave type piece setting in the barrel inboard, has reduced the extrusion deformation of sealing washer, improves the life of sealing washer, when the sealing washer needs to be changed simultaneously, directly with sealing washer and multiunit concave type piece separation can, improvement convenience.
Preferably, the valve disc is arranged on the inner side of the sealing head; the head passes through the connecting piece to be fixed in flange, barrel and square plate's top, and the head has avoided sunshine direct shining at pressure vessel's surface, reduces pressure vessel internal pressure's rising, can effectively prevent the pollutant to get into inside when pressure vessel pressure release simultaneously.
Preferably, the seal head is elliptical; the elliptical seal head has the characteristics of light weight, low cost and convenient installation.
Preferably, the connecting piece is L-shaped; the L-shaped connecting piece is used for fixedly supporting the seal head and is convenient to install.
Preferably, the sealing head further comprises a hanging ring, and the top end of the sealing head is provided with the hanging ring; staff's accessible rings hoist and mount the removal to the head, improve the convenience.
Compared with the prior art, the utility model has the beneficial effects that: when the pressure vessel is in use, the flange is arranged on the pressure vessel, the sealing assembly and the pressure relief assembly seal the top end of the cylinder body, and when the pressure vessel is in overlarge pressure, the pressure relief assembly is far away from the cylinder body, so that the pressure of the pressure vessel passes through the flange and the cylinder body and the gap between the pressure relief assembly and the sealing assembly is penetrated for pressure relief, and the extrusion of the sealing assembly is avoided when the pressure relief is carried out according to a set pressure value.
Drawings
FIG. 1 is a schematic diagram of an explosive structure of the present utility model;
FIG. 2 is a partially enlarged schematic view of the structure of the portion A in FIG. 1;
FIG. 3 is an enlarged schematic view of the structures such as the concave block and the seal ring;
FIG. 4 is an enlarged schematic view of the flange and closure structures;
FIG. 5 is a schematic illustration of an axially measured structure of the present utility model;
The reference numerals in the drawings: 1. a flange; 2. a cylinder; 3. a square plate; 4. a valve disc; 5. a screw; 6. a nut; 7. a return spring; 8. a concave block; 9. a seal ring; 10. a seal head; 11. a connecting piece; 12. and (5) hanging rings.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
As shown in fig. 1 and 5, the reinforced emergency pressure relief manhole comprises a flange 1 and a cylinder 2, wherein the lower end of the cylinder 2 is welded on the inner side of the flange 1, the reinforced emergency pressure relief manhole also comprises a pressure relief assembly and a sealing assembly, the cylinder 2 is provided with the pressure relief assembly, and the upper part of the inner side of the flange 1 is provided with the sealing assembly;
As shown in fig. 1 to 5, the pressure relief assembly comprises square plates 3, valve discs 4, screws 5, nuts 6 and return springs 7, wherein a plurality of groups of square plates 3 are circumferentially arranged on the outer side wall of a cylinder 2, round holes are respectively arranged on each group of square plates 3, the valve discs 4 are covered on the top end of the cylinder 2, the valve discs 4 are sealed on the top end of the cylinder 2, a plurality of groups of screws 5 are arranged on the square plates 3, the bottom ends of each group of screws 5 respectively penetrate through a group of round holes, a group of nuts 6 are respectively screwed on each group of screws 5 below the square plates 3, a group of return springs 7 are arranged between each group of square plates 3 and a group of nuts 6 right below, and each group of return springs 7 are respectively sleeved on the outer sides of a group of screws 5;
as shown in fig. 1 and 3, the sealing assembly comprises a concave block 8 and a sealing ring 9, a plurality of groups of concave blocks 8 are circumferentially arranged on the inner side wall of the cylinder 2, one group of sealing rings 9 are respectively embedded and connected with the plurality of groups of concave blocks 8, and the top ends of the sealing rings 9 are flush with the top end of the cylinder 2.
In this embodiment, during the use, install flange 1 on pressure vessel, valve disc 4 lid dress is on the top of barrel 2, the bottom of valve disc 4 contacts with the top of sealing washer 9 simultaneously, according to the pressure value that wants to release, the staff rotates nut 6, thereby make nut 6 and square plate 3 cooperate the adjustment of going on elasticity to return spring 7, during the pressure release, pressure vessel's pressure is with valve disc 4 push-up, thereby make multiunit return spring 7 shorten, valve disc 4 keeps away from barrel 2 and sealing washer 9, the pressure is arranged outside through the clearance between sealing washer 9 and the valve disc 4, after the pressure release, multiunit return spring 7 pushes up corresponding screw rod 5 respectively, thereby make valve disc 4 reseal to barrel 2 top, the convenience is improved.
Example 2
As shown in fig. 1 and 5, the reinforced emergency pressure relief manhole comprises a flange 1 and a cylinder 2, wherein the lower end of the cylinder 2 is welded on the inner side of the flange 1, the reinforced emergency pressure relief manhole also comprises a pressure relief assembly and a sealing assembly, the cylinder 2 is provided with the pressure relief assembly, and the upper part of the inner side of the flange 1 is provided with the sealing assembly;
As shown in fig. 1 to 5, the pressure relief assembly comprises square plates 3, valve discs 4, screws 5, nuts 6 and return springs 7, wherein a plurality of groups of square plates 3 are circumferentially arranged on the outer side wall of a cylinder 2, round holes are respectively arranged on each group of square plates 3, the valve discs 4 are covered on the top end of the cylinder 2, the valve discs 4 are sealed on the top end of the cylinder 2, a plurality of groups of screws 5 are arranged on the square plates 3, the bottom ends of each group of screws 5 respectively penetrate through a group of round holes, a group of nuts 6 are respectively screwed on each group of screws 5 below the square plates 3, a group of return springs 7 are arranged between each group of square plates 3 and a group of nuts 6 right below, and each group of return springs 7 are respectively sleeved on the outer sides of a group of screws 5;
As shown in fig. 1 and 3, the sealing assembly comprises a concave block 8 and a sealing ring 9, a plurality of groups of concave blocks 8 are circumferentially arranged on the inner side wall of the cylinder 2, one group of sealing rings 9 are respectively connected with the plurality of groups of concave blocks 8 in an embedded manner, and the top ends of the sealing rings 9 are flush with the top end of the cylinder 2;
As shown in fig. 1, the valve disc valve further comprises a sealing head 10, connecting pieces 11 and hanging rings 12, wherein a plurality of groups of connecting pieces 11 are arranged on the inner side of the sealing head 10, the plurality of groups of connecting pieces 11 are respectively connected with a plurality of groups of square plates 3, and the valve disc 4 is arranged on the inner side of the sealing head 10; the top of the seal head 10 is provided with a hanging ring 12, and the diameter of the seal head 10 and the length of the square plate 3 are slightly longer than those of the valve disc 4.
In this embodiment, during the use, install flange 1 on pressure vessel, valve disc 4 lid dress is on the top of barrel 2, the bottom of valve disc 4 contacts with the top of sealing washer 9 simultaneously, according to the pressure value that wants to release, the staff rotates nut 6, thereby make nut 6 and square board 3 cooperation carry out the adjustment of elasticity to return spring 7, during the pressure release, pressure vessel's pressure is with valve disc 4 push-up, thereby make multiunit return spring 7 shorten, valve disc 4 keeps away from barrel 2 and sealing washer 9, pressure is discharged through the clearance between sealing washer 9 and the valve disc 4, after the pressure release is accomplished, multiunit return spring 7 pushes up corresponding screw rod 5 respectively, thereby make valve disc 4 reseal to barrel 2 top, head 10 is hoisted through rings 12, head 10 passes through connecting piece 11 to be fixed in flange 1, barrel 2 and the top of square board 3, head 10 has avoided shining at pressure vessel's surface directly, pressure vessel's rising, simultaneously can effectively prevent the pollutant entering inside during the pressure vessel pressure release.
The valve disc 4 and the sealing ring 9 of the reinforced emergency pressure relief manhole are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached instruction of the person, without the need of creative labor of the person skilled in the art.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. The utility model provides a strenghthened type emergency pressure release manhole, includes flange (1) and barrel (2), and the lower extreme welding of barrel (2) is in the inboard of flange (1), and its characterized in that still includes pressure release subassembly and sealing component, is provided with pressure release subassembly on barrel (2), and flange (1) inboard upper portion is provided with sealing component.
2. The reinforced emergency pressure relief manhole as claimed in claim 1, wherein the pressure relief assembly comprises square plates (3), valve discs (4), screws (5), nuts (6) and return springs (7), a plurality of groups of square plates (3) are circumferentially arranged on the outer side wall of the cylinder body (2), round holes are respectively arranged on each group of square plates (3), the valve discs (4) are covered on the top ends of the cylinder body (2), the valve discs (4) seal the top ends of the cylinder body (2), a plurality of groups of screws (5) are arranged on the square plates (3), the bottom ends of each group of screws (5) respectively penetrate through one group of round holes, a group of nuts (6) are respectively screwed below each group of screws (5), a group of return springs (7) are arranged between each group of square plates (3) and one group of nuts (6) right below, and each group of return springs (7) are respectively sleeved on the outer sides of one group of screws (5).
3. The reinforced emergency pressure relief manhole as claimed in claim 1, wherein the sealing assembly comprises concave blocks (8) and sealing rings (9), a plurality of groups of concave blocks (8) are circumferentially arranged on the inner side wall of the cylinder (2), one group of sealing rings (9) are respectively inlaid and connected with the plurality of groups of concave blocks (8), and the top ends of the sealing rings (9) are flush with the top end of the cylinder (2).
4. The reinforced emergency pressure relief manhole as claimed in claim 2, further comprising a sealing head (10) and connecting pieces (11), wherein a plurality of groups of connecting pieces (11) are arranged on the inner side of the sealing head (10), the plurality of groups of connecting pieces (11) are respectively connected with the plurality of groups of square plates (3), and the valve disc (4) is arranged on the inner side of the sealing head (10).
5. A reinforced emergency pressure relief manhole as claimed in claim 4, wherein the closure head (10) is elliptical.
6. A reinforced emergency pressure relief manhole as claimed in claim 4, wherein the connector (11) is L-shaped.
7. The reinforced emergency pressure relief manhole as claimed in claim 4, further comprising a lifting ring (12), wherein the top end of the closure head (10) is provided with the lifting ring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323086670.3U CN221342263U (en) | 2023-11-15 | 2023-11-15 | Reinforced emergency pressure relief manhole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323086670.3U CN221342263U (en) | 2023-11-15 | 2023-11-15 | Reinforced emergency pressure relief manhole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221342263U true CN221342263U (en) | 2024-07-16 |
Family
ID=91827985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323086670.3U Active CN221342263U (en) | 2023-11-15 | 2023-11-15 | Reinforced emergency pressure relief manhole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221342263U (en) |
-
2023
- 2023-11-15 CN CN202323086670.3U patent/CN221342263U/en active Active
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| GR01 | Patent grant |