CN220443069U - Fire-retarding element protector for improving distribution of fire-retarding medium and fire retarding device - Google Patents
Fire-retarding element protector for improving distribution of fire-retarding medium and fire retarding device Download PDFInfo
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- CN220443069U CN220443069U CN202321925337.4U CN202321925337U CN220443069U CN 220443069 U CN220443069 U CN 220443069U CN 202321925337 U CN202321925337 U CN 202321925337U CN 220443069 U CN220443069 U CN 220443069U
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- fire
- rib plates
- distribution
- medium
- retarding
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- 238000009826 distribution Methods 0.000 title claims abstract description 63
- 230000000979 retarding effect Effects 0.000 title claims abstract description 26
- 230000001012 protector Effects 0.000 title claims abstract description 23
- 238000009423 ventilation Methods 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 abstract description 4
- 238000009827 uniform distribution Methods 0.000 abstract 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 11
- 239000003063 flame retardant Substances 0.000 description 11
- 239000011258 core-shell material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005474 detonation Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a fire-retarding element protector for improving the distribution of a fire-retarding medium, which comprises a distribution plate, wherein a plurality of first openings are formed in the distribution plate, and the central axis of each first opening is perpendicular to the fire-retarding element; a supporting framework is fixedly arranged on one side of the distribution plate, which faces the fire retarding element; the supporting framework is a net structure formed by a plurality of rib plates, and through holes in the net structure of the supporting framework are ventilation grids; the rib plate is provided with a plurality of second holes, and the central axis of each second hole is perpendicular to the central axis of each first hole. The utility model also discloses a flame arrester. The protective pieces are arranged on the upper side and the lower side of the fire retarding element, so that direct impact of medium on the fire retarding element is avoided, meanwhile, the protective pieces can realize diversion of the medium, redistribute the medium, promote uniform distribution of the medium, further enlarge the contact area between the medium and the wall of the fire retarding element channel, strengthen heat transfer and improve fire retarding effect.
Description
Technical Field
The utility model belongs to the technical field of flame arresters, and particularly relates to a flame arrester element protector for improving the distribution of medium of a flame arrester and the flame arrester.
Background
In petrochemical process units, there are a large number of non-electrical equipment and piping systems in potentially explosive environments, and flame arresters are the primary safety protection against explosion of non-electrical equipment, with the effect of preventing explosions, preventing propagation of explosions through pipes, and preventing the development of explosions to detonation, and therefore the safety of flame arresters is particularly important.
In the existing flame arresters, media (gas or flame) directly reach the flame retardant element after entering, when the speed of the media is high, the entering media are unevenly distributed, and the uneven media directly act on the flame retardant element, so that the strength and the rigidity of the flame retardant element are high, and when the flame arresters with large diameters (the interface size is more than or equal to 450 mm) are subjected to detonation or deflagration, the media with unevenly distributed impact can cause the collapse failure of the large-diameter flame retardant element, the effect of flame retardant cannot be achieved, and the flame arresters can become a great hidden danger of safe production.
Based on the above problem, the application provides a fire-retarding element protection piece and fire-retarding device for improving distribution of fire-retarding medium, the protection piece is symmetrically arranged on the upper side and the lower side of the fire-retarding element, direct impact of medium to the fire-retarding element is avoided, the requirement on the strength and rigidity of the fire-retarding element is reduced compared with that of the fire-retarding element by directly impacting the fire-retarding element by the existing medium, meanwhile, the diversion of the medium can be realized by the structural arrangement of the protection piece, the medium is redistributed, dead zones of the medium flowing through the fire-retarding element are reduced, the even distribution of the medium is promoted, the contact area between the medium and the channel wall of the fire-retarding element is enlarged, heat transfer is enhanced, and the fire-retarding effect is improved.
Disclosure of Invention
The object of the present utility model is to overcome the above-mentioned drawbacks of the prior art by providing a fire-retarding element protector with improved distribution of the fire-retarding medium.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the fire-retarding element protector for improving the distribution of the medium of the fire-retarding device comprises a distribution plate, wherein a plurality of first openings are formed in the distribution plate, and the central axes of the first openings are perpendicular to the fire-retarding element;
a supporting framework is fixedly arranged on one side of the distribution plate, which faces the fire retarding element;
the supporting framework is a net structure formed by a plurality of rib plates, and through holes in the net structure of the supporting framework are ventilation grids;
the rib plate is provided with a plurality of second holes, and the central axis of each second hole is perpendicular to the central axis of each first hole.
Preferably, the distribution plate is in a spherical plate structure, and the radial inner end of the distribution plate faces the supporting framework.
Preferably, the distribution plate is connected with the supporting framework through a connecting piece.
Preferably, the distribution plate is welded with the connecting piece, the connecting piece is welded with the supporting framework and the rib plates in the supporting framework.
Preferably, the rib plates forming the supporting framework comprise a plurality of first straight rib plates which are parallel and a plurality of second straight rib plates which are parallel, and the first straight rib plates and the second straight rib plates are vertically crossed.
Preferably, the rib plates forming the supporting framework comprise a plurality of third straight rib plates uniformly distributed along the circumferential direction of the shell and a plurality of annular rib plates distributed along the radial direction of the shell, and the third straight rib plates extend along the radial direction of the shell.
Preferably, the rib plates forming the supporting framework comprise a plurality of fourth straight rib plates uniformly distributed along the circumferential direction of the shell and a plurality of polygonal rib plates distributed along the radial direction of the shell;
the fourth straight rib plate extends along the radial direction of the shell;
and the intersection point position of the polygonal rib plate is fixedly connected with the corresponding fourth straight rib plate in a crossing way.
Preferably, the polygonal rib plates are of regular polygon structures, and the number of the intersecting points of the polygonal rib plates is consistent with that of the fourth straight rib plates.
The utility model also provides a flame arrester.
The fire arrestor comprises a shell and a fire arrestor element in the shell, wherein fire arrestor element protectors for improving the distribution of fire arrestor media are arranged on the upper side and the lower side of the fire arrestor element;
the side surface of the supporting framework, which is away from the distribution plate, is attached to the corresponding end surface of the fire retarding element;
the radial outer end of the supporting framework is fixedly connected with the inner wall surface of the shell.
The beneficial effects of the utility model are as follows:
the protective pieces are arranged on the upper side and the lower side of the fire-retarding element, so that direct impact of the medium on the fire-retarding element is avoided, compared with the existing medium direct impact fire-retarding element, the requirements on the strength and rigidity of the fire-retarding element are reduced, meanwhile, the first openings on the distribution plate in the protective pieces, the ventilation grid on the supporting framework and the second openings on the rib plates can realize the diversion of the medium, the medium is redistributed, the dead area of the medium flowing through the fire-retarding element is reduced, the medium is promoted to be uniformly distributed, the contact area of the medium and the channel wall of the fire-retarding element is enlarged, the heat transfer is enhanced, and the fire-retarding effect is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application.
FIG. 1 is a schematic view showing the structure of a fire retarding element protector for improving the distribution of a fire retarding medium in embodiment 2 of the present utility model, (a) front view, (b) top view;
FIG. 2 is a schematic view of a flame arrestor of the utility model provided with a flame arrestor element protection that improves the distribution of the flame arrestor medium in example 2;
FIG. 3 is a schematic view showing the structure of a fire retarding element protector for improving the distribution of a fire retarding medium in embodiment 3 of the present utility model, (a) front view, (b) top view;
FIG. 4 is a schematic view of a flame arrestor of the utility model provided with a flame arrestor element protection that improves the distribution of the flame arrestor medium in example 3;
FIG. 5 is a schematic view showing the structure of a fire retarding element protector for improving the distribution of a fire retarding medium in embodiment 4 of the present utility model, (a) front view, (b) top view;
wherein:
1-a housing; 2-a nut; 3-studs; 4-core shell; 5-a fire-retarding element; 6-a gasket; 7-supporting a framework; 701-rib plates; 702-a distribution plate; 703-a connector; 704-a first opening; 705-ventilation grid; 706-a second opening; 707-first straight gusset; 708-a second straight rib plate; 709-third straight rib plate; 710-annular rib plates; 711-fourth straight rib plates; 712-pair of deformed rib plates.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In the present utility model, the terms such as "upper", "lower", "bottom", "top", and the like refer to the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely relational terms used for convenience in describing the structural relationships of the various components or elements of the present utility model, and are not meant to designate any one component or element of the present utility model, and are not to be construed as limiting the present utility model.
In the present utility model, terms such as "connected," "connected," and the like are to be construed broadly and mean either fixedly connected or integrally connected or detachably connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the present utility model can be determined according to circumstances by a person skilled in the relevant art or the art, and is not to be construed as limiting the present utility model.
The utility model will be further described with reference to the drawings and examples.
Example 1:
a fire retarding element protector for improving distribution of a fire retarding medium, comprising a distribution plate 702, wherein a plurality of first openings 704 are arranged on the distribution plate 702, and the central axis of the first openings 704 is perpendicular to a fire retarding element 5;
the side of the distribution plate 702 facing the fire retarding element 5 is fixedly provided with a supporting framework 7;
the supporting framework 7 is a net structure formed by a plurality of rib plates 701, and through holes in the net structure of the supporting framework 7 are ventilation grids 705;
the rib plate 701 is provided with a plurality of second openings 706, and the central axis of the second openings 706 is perpendicular to the central axis of the first openings 704.
Preferably, the distribution plate 702 has a spherical plate structure, and a radially inner end of the distribution plate 702 faces the support frame 7.
Preferably, the distribution plate 702 is connected with the supporting framework 7 through a connecting piece 703, wherein the connecting piece 703 can adopt a plate-shaped structure or a tubular structure.
Preferably, the distribution plates 702 are welded with the connecting pieces 703, the connecting pieces 703 are welded with the supporting frame 7, and the rib plates 701 in the supporting frame 7.
Example 2:
as shown in fig. 1, on the basis of embodiment 1, the rib plates 701 forming the supporting framework 7 include a plurality of parallel first straight rib plates 707 and a plurality of parallel second straight rib plates 708, the first straight rib plates 707 and the second straight rib plates 708 vertically intersect, and the ventilation grid 705 has a square structure.
Example 3:
as shown in fig. 3, on the basis of embodiment 1, the rib plates 701 constituting the supporting frame 7 include a plurality of third straight rib plates 709 uniformly distributed along the circumferential direction of the housing 1 and a plurality of annular rib plates 710 distributed along the radial direction of the housing, and the third straight rib plates 709 extend along the radial direction of the housing 1.
Specifically, in example 3, ventilation grid 705 has a fan or fan-shaped configuration.
Example 4:
as shown in fig. 5, on the basis of embodiment 1, the rib plates 701 constituting the supporting frame 7 include a plurality of fourth straight rib plates 711 uniformly distributed along the circumferential direction of the housing 1 and a plurality of polygonal rib plates 712 distributed along the radial direction of the housing;
the fourth straight rib 711 extends in the radial direction of the housing 1;
the intersection point of the polygonal rib plates 712 is fixedly connected with the corresponding fourth straight rib plates 711 in a crossing manner.
Specifically, in embodiment 4, the ventilation lattice 705 has a polygonal structure.
Specifically, the polygonal rib plates 712 have a regular polygon structure, and the number of intersecting points of the polygonal rib plates 712 is identical to the number of the fourth straight rib plates 711.
Example 5:
a flame arrester comprises a shell 1 and a flame arrester element 5 in the shell 1, wherein the upper side and the lower side of the flame arrester element 5 are respectively provided with flame arrester element protectors for improving the medium distribution of the flame arrester in the embodiment 2, the embodiment 3 or the embodiment 4, so that bidirectional flame arrester is realized;
the side surface of the supporting framework 7 facing away from the distribution plate 702 is attached to the corresponding end surface of the fire retarding element 5;
the radial outer end of the supporting framework 7 is fixedly connected with the inner wall surface of the shell 1. Specifically, the radially outer end of the support frame 7 is fixedly connected to the inner wall surface of the housing 1 by welding. After the supporting framework 7 is connected with the inner wall of the shell, ventilation grids are formed between the rib plates and the inner wall of the shell 1.
The structure of the flame arrestor provided with the flame arrestor element protector for improving the distribution of the flame arrestor medium in example 2 is shown in fig. 2, and the structure of the flame arrestor provided with the flame arrestor element protector for improving the distribution of the flame arrestor medium in example 3 is shown in fig. 4.
Specifically, the shell 1 comprises an upper shell and a lower shell, flange pieces between the upper shell and the lower shell are connected through studs 3, and nuts 2 are arranged at two ends of the studs 3; a core shell 4 with a cylindrical structure is arranged between flange sheets of the upper shell and the lower shell, and a fire-retarding element 5 is arranged on the inner side of the core shell 4; a gasket 6 is arranged between the core shell 4 and the corresponding flange piece.
When the flame retardant device is used, after a medium (gas or flame) enters the flame retardant device, the distribution plate 702 bears the impact of the center, so that the direct impact of the medium on the flame retardant element is avoided, and compared with the existing medium direct impact flame retardant element, the flame retardant device is beneficial to reducing the requirements on the strength and rigidity of the flame retardant element; meanwhile, the propagation direction and the medium distribution of the medium are changed for the first time at the position of the distribution plate 702, a small part of the medium flows through the central area of the fire retarding element 5 through the first openings 704 on the distribution plate 702, and after the propagation direction and the speed of the majority of the medium are changed through the distribution plate 702, the medium is redistributed for multiple times in the radial direction and the circumferential direction through the ventilation grids 705 on the supporting framework 7 and the second openings 706 on the rib plates 701, so that the purpose of uniform medium distribution is achieved. Therefore, in the protection piece of the application, the first openings 704 on the distribution plate 702, the ventilation grids 705 on the supporting framework 7 and the second openings 706 on the rib plates 701 can realize the diversion of the medium, so that the medium is redistributed, the dead zone of the medium flowing through the fire retarding element is reduced, the medium is promoted to be uniformly distributed, the contact area between the medium and the channel wall of the fire retarding element is enlarged, the heat transfer is enhanced, and the fire retarding effect is improved.
While the foregoing is directed to embodiments of the present utility model, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (9)
1. The fire-retarding element protector for improving the distribution of the fire-retarding medium is characterized by comprising a distribution plate, wherein a plurality of first openings are formed in the distribution plate, and the central axis of each first opening is perpendicular to the fire-retarding element;
a supporting framework is fixedly arranged on one side of the distribution plate, which faces the fire retarding element;
the supporting framework is a net structure formed by a plurality of rib plates, and through holes in the net structure of the supporting framework are ventilation grids;
the rib plate is provided with a plurality of second holes, and the central axis of each second hole is perpendicular to the central axis of each first hole.
2. The firestop element protector for improving the distribution of a firestop medium as defined in claim 1, wherein said distribution plate has a spherical plate structure, and wherein the radially inner end of said distribution plate faces the support frame.
3. The firestop element protector for improving the distribution of a firestop medium as defined in claim 1, wherein said distribution plate is connected to the support frame by a connector.
4. A firestop element protector for improving the distribution of a firestop medium as defined in claim 3, wherein said distribution plate is welded to said connector, said connector is welded to said support frame, and said gusset in said support frame.
5. The firestop element protector for improving the distribution of a firestop medium according to claim 1, wherein the rib plates constituting the supporting framework comprise a plurality of first straight rib plates parallel to each other and a plurality of second straight rib plates parallel to each other, and wherein the first straight rib plates and the second straight rib plates vertically intersect.
6. The firestop element protector for improving the distribution of a firestop medium according to claim 1, wherein the rib plates constituting the supporting framework comprise a plurality of third straight rib plates uniformly distributed along the circumferential direction of the housing and a plurality of annular rib plates distributed along the radial direction of the housing, and the third straight rib plates extend along the radial direction of the housing.
7. The fire-retarding element protector for improving the distribution of a fire-retarding medium according to claim 1, wherein the rib plates constituting the supporting framework comprise a plurality of fourth straight rib plates uniformly distributed along the circumferential direction of the shell and a plurality of polygonal rib plates distributed along the radial direction of the shell;
the fourth straight rib plate extends along the radial direction of the shell;
and the intersection point position of the polygonal rib plate is fixedly connected with the corresponding fourth straight rib plate in a crossing way.
8. The firestop element protector for improving the distribution of a firestop medium according to claim 7, wherein said polygonal rib plates have a regular polygonal structure, and the number of intersections of said polygonal rib plates is identical to the number of fourth straight rib plates.
9. A flame arrester comprising a shell and a flame arrester element inside the shell, wherein the upper and lower sides of the flame arrester element are provided with flame arrester element protectors for improving the distribution of the medium of the flame arrester according to any one of claims 1 to 8;
the side surface of the supporting framework, which is away from the distribution plate, is attached to the corresponding end surface of the fire retarding element;
the radial outer end of the supporting framework is fixedly connected with the inner wall surface of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321925337.4U CN220443069U (en) | 2023-07-21 | 2023-07-21 | Fire-retarding element protector for improving distribution of fire-retarding medium and fire retarding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321925337.4U CN220443069U (en) | 2023-07-21 | 2023-07-21 | Fire-retarding element protector for improving distribution of fire-retarding medium and fire retarding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220443069U true CN220443069U (en) | 2024-02-06 |
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ID=89731616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321925337.4U Active CN220443069U (en) | 2023-07-21 | 2023-07-21 | Fire-retarding element protector for improving distribution of fire-retarding medium and fire retarding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220443069U (en) |
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2023
- 2023-07-21 CN CN202321925337.4U patent/CN220443069U/en active Active
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