CN220668497U - Flexible explosion door for pulverized coal conveying pipeline - Google Patents
Flexible explosion door for pulverized coal conveying pipeline Download PDFInfo
- Publication number
- CN220668497U CN220668497U CN202322214990.6U CN202322214990U CN220668497U CN 220668497 U CN220668497 U CN 220668497U CN 202322214990 U CN202322214990 U CN 202322214990U CN 220668497 U CN220668497 U CN 220668497U
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- China
- Prior art keywords
- flexible
- flexible explosion
- explosion vent
- pulverized coal
- conveying pipeline
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- 238000004880 explosion Methods 0.000 title claims abstract description 34
- 239000003245 coal Substances 0.000 title claims abstract description 19
- 239000012528 membrane Substances 0.000 claims description 38
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 12
- 241001330002 Bambuseae Species 0.000 claims description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 12
- 239000011425 bamboo Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims 1
- 238000011010 flushing procedure Methods 0.000 description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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- Air Transport Of Granular Materials (AREA)
Abstract
The utility model discloses a flexible explosion vent for a pulverized coal conveying pipeline, which relates to the technical field of flexible explosion vents and comprises a flexible explosion vent, wherein the flexible explosion vent is arranged between an upper cover plate and a lower cover plate, one side of the lower cover plate, which is far away from the upper cover plate, is fixedly connected with a mounting cylinder, the mounting cylinder is connected with a movable plate, the movable plate is rectangular, one end of the movable plate is fixedly connected with the inner wall of the mounting cylinder, the other end of the movable plate points to the center of the mounting cylinder, a plurality of pointed nails are penetrated and arranged on the movable plate, the pointed ends of the pointed nails point to the flexible explosion vent, and when high-pressure gas is generated in the pipeline, the high-pressure gas firstly extrudes the movable plate, so that the movable plate is close to the position of the flexible explosion vent, and when the pressure reaches a certain threshold value, the pointed end on the movable plate can contact with the flexible explosion vent and even puncture the flexible explosion vent, and the purpose of actively destroying the flexible explosion vent can be still achieved.
Description
Technical Field
The utility model relates to the technical field of flexible explosion vents, in particular to a flexible explosion vent for a pulverized coal conveying pipeline.
Background
At present, an explosion-proof pressure relief device for a cable accessory mainly realizes explosion-proof pressure relief in a form of a single metal explosion-proof sheet with high cost. However, the single-piece metal explosion-proof sheet has the defects of heavy weight, large volume, low sensitivity, large detonation pressure, incapability of adjusting, non-directional pressure relief and the like, and the problems of secondary damage to the surrounding environment caused by explosion of cable accessories and splashing of substances contained after pressure relief due to untimely and insufficient pressure relief are easily caused. And because the outer layer has no protective measures, the rupture disk is easy to mechanically damage, thereby affecting the pressure release performance; the application number of the patent is 202221623138.3, and a flexible explosion-proof pressure relief structure is provided, which comprises a fixed plate arranged on a protective shell, wherein the fixed plate is provided with a first pressure relief hole which is communicated with the inside of the protective shell; the directional pressure release plate is arranged on the upper surface of the fixed plate and is provided with a pressure release opening for changing the pressure release direction of the first pressure release hole; the flexible explosion-proof membrane is arranged between the fixed plate and the directional pressure relief plate and seals the first pressure relief hole; the membrane breaking component is arranged on the directional pressure release plate, and one end of the membrane breaking component, which is close to the flexible explosion-proof membrane, is of a tip structure. The directional pressure release plate is arranged, and the pressure release opening is arranged in the directional pressure release plate, so that the pressure release direction can be changed and guided. Meanwhile, the flexible explosion-proof membrane has lighter weight, and even if the explosion-proof membrane fragments fly out, the flexible explosion-proof membrane does not cause excessive damage to the surrounding; the directional pressure release plate is also provided with a tip structure, so that the flexible explosion-proof membrane can be actively broken, and the integrity of the broken flexible explosion-proof membrane is ensured;
however, the above patent still has the following problems: the directional pressure release plate is arranged on one side of the flexible explosion-proof membrane and an external foundation, so that the flexible explosion-proof membrane needs to reach a certain deformation effect to be in contact with the tip mechanism, in the practical application process, the flexible explosion-proof membrane is made of an aluminum membrane, the deformation interval is low, a break is usually generated before the bulge visible by naked eyes occurs, the pressure release plate is inconsistent with the practical application, the pressure release opening is provided with a breaking part, the final gas flushing direction and the direction of flushing from the flexible explosion-proof membrane have a 90-degree folding angle, and a worker in a conventional factory can avoid the direction of flushing from the flexible explosion-proof membrane for the first time, so that the worker needs to further consider folding angle deflection when avoiding, particularly for a bent pipeline, the flexible explosion-proof membrane is very inconvenient to use, meanwhile, the break is found to be easier to occur at the edge of the flexible explosion-proof membrane in the practical application process, and the gas flushing direction can be changed.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a flexible explosion door for a pulverized coal conveying pipeline, so as to solve the technical problems.
The utility model provides a flexible explosion vent is used to buggy pipeline, includes flexible rupture membrane, flexible rupture membrane is installed in between upper cover plate, the lower apron is kept away from one side fixedly connected with installation section of thick bamboo of upper cover plate, the installation section of thick bamboo is connected with the fly leaf, the fly leaf is rectangle, the one end of fly leaf with installation section of thick bamboo inner wall fixed connection, the other end of fly leaf is directional the center of installation section of thick bamboo, it is provided with a plurality of sharp nails to run through on the fly leaf, the sharp thorn end of sharp nail is directional flexible rupture membrane sets up.
Preferably, the anti-explosion device further comprises a screw, a first mounting hole is formed in the upper cover plate, a second mounting hole communicated with the first mounting hole is formed in the lower cover plate, the screw penetrates through the flexible anti-explosion membrane to extend into the second mounting hole after extending into the first mounting hole, and a nut is connected to one end of the screw located in the second mounting hole in a threaded mode.
Preferably, the upper cover plate and the lower cover plate are both hollow ring-shaped structures, and the mounting cylinder is a hollow cylindrical structure.
Preferably, the movable plate is arc-shaped, and an opening of the arc shape is far away from the flexible explosion-proof membrane.
Preferably, the flap is made of rubber sheet.
Preferably, a plurality of the spikes are provided, and the spikes are arranged in a matrix.
Preferably, the spike further comprises an upper spike cap, a lower spike cap and a connecting column, the spike end is far away from one end of the flexible explosion-proof membrane, the lower spike cap is provided with the lower spike cap, one end of the lower spike cap, which is far away from the flexible explosion-proof membrane, is provided with the connecting column, one end of the connecting column, which is far away from the lower spike cap, is provided with the upper spike cap, and the connecting column is sleeved with a plastic strip.
Preferably, the same plastic strip is sleeved on the pointed nails in any row and/or column.
Preferably, the inner wall of the mounting cylinder is also provided with a mounting ring, a mounting groove is formed in the inner side of the mounting ring, and a baffle is arranged in the mounting groove.
Preferably, the baffle is provided with a plurality of through holes.
The beneficial effects of the utility model are as follows:
according to the utility model, the movable plate provided with the spike is arranged on one side of the flexible explosion-proof film, when high-pressure gas is generated in the pipeline, the movable plate is extruded by the high-pressure gas firstly, so that the movable plate is close to the position of the flexible explosion-proof film, when the pressure reaches a certain threshold value, the tip on the movable plate can be in contact with the flexible explosion-proof film and even puncture the flexible explosion-proof film, thus the purpose of actively destroying the flexible explosion-proof film can be achieved when the flexible explosion-proof film is not obviously deformed, the destroyed position of the flexible explosion-proof film is ensured to be close to the center, the destroyed position is identical to the gas flushing direction, the deviation of the gas flushing direction is avoided, and personnel are facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of a flexible explosion vent for a pulverized coal conveying pipeline according to an embodiment of the present utility model;
FIG. 2 is a bottom view of the flexible explosion vent for the pulverized coal transport pipe shown in FIG. 1;
FIG. 3 is a schematic view of a spike of the flexible explosion vent for the pulverized coal transport pipeline shown in FIG. 1;
legend: 1-flexible explosion-proof film, 2-upper cover plate, 3-lower cover plate, 4-screw, 5-nut, 6-mounting cylinder, 7-movable plate, 8-spike, 801-spike end, 802-upper spike cap, 803-lower spike cap, 804-connecting column, 805-plastic strip, 9-mounting ring and 10-baffle.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.
In embodiment one:
as shown in fig. 1, a flexible explosion vent for pulverized coal conveying pipeline, including flexible explosion-proof membrane 1, flexible explosion-proof membrane 1 install in between upper cover plate 2, the lower apron 3 is kept away from one side fixedly connected with installation section of thick bamboo 6 of upper cover plate 2, installation section of thick bamboo 6 is connected with fly leaf 7, fly leaf 7 is the rectangle, the one end of fly leaf 7 with installation section of thick bamboo 6 inner wall fixed connection, the other end of fly leaf 7 is directional the center of installation section of thick bamboo 6, run through on the fly leaf 7 and be provided with a plurality of spike 8, the spike end 801 of spike 8 is directional flexible explosion-proof membrane 1 sets up.
In this device, when having high-pressure gas in the pipeline, high-pressure gas extrudees the fly leaf at first to make the fly leaf draw close towards the position of flexible rupture disk, when pressure reaches certain threshold value, the pointed end on the fly leaf can contact with flexible rupture disk and stab flexible rupture disk even, like this when flexible rupture disk does not have obvious deformation, still can reach the purpose that initiatively destroys flexible rupture disk, and can ensure that the destruction position of flexible rupture disk is close to the center, it is the same with the gas flushing position, avoid gaseous flushing direction to take place the skew, be convenient for personnel avoid.
More specifically, the anti-explosion device further comprises a screw 4, a first mounting hole is formed in the upper cover plate 2, a second mounting hole communicated with the first mounting hole is formed in the lower cover plate 3, the screw 4 penetrates through the flexible anti-explosion membrane 1 to extend into the second mounting hole after extending into the first mounting hole, and one end of the screw 4 located in the second mounting hole is connected with a screw cap 5 in a threaded mode.
Through the connected mode of screw and nut for upper cover plate and lower apron can zonulae occludens, avoid appearing the space, prevent the phenomenon of gas leakage appearing on the pipeline.
More specifically, the upper cover plate 2 and the lower cover plate 3 are hollow ring structures, and the mounting cylinder 6 is a hollow cylindrical structure.
By adopting the circle center structure, compared with the rectangular structure, the edge stress of the flexible explosion-proof film is uniform, and the flexible explosion-proof film is prevented from being damaged before being actively pierced.
More specifically, the movable plate 7 is arc-shaped, and the arc-shaped opening is far away from the flexible explosion-proof membrane 1.
On the arc-shaped movable plate, the arc-shaped opening of the movable plate can be more obviously deformed when being impacted by high-pressure gas towards the gas flushing direction.
More specifically, the movable plate 7 is made of a rubber plate.
The movable plate is made of rubber plates, so that the movable plate can be deformed more obviously than metal plates.
As shown in fig. 2, more specifically, a plurality of the spikes 8 are provided, and the spikes 8 are arranged in a matrix.
As shown in fig. 3, more specifically, the spike 8 further includes an upper spike cap 802, a lower spike cap 803, and a connecting post 804, the end of the spike end 801 away from the flexible explosion-proof membrane 1 is provided with the lower spike cap 803, the end of the lower spike cap 803 away from the flexible explosion-proof membrane 1 is provided with the connecting post 804, the end of the connecting post 804 away from the lower spike cap 803 is provided with the upper spike cap 802, and the connecting post 804 is sleeved with a plastic strip 805.
More specifically, the same plastic strip 805 is sleeved on the spikes 8 in any row and/or column.
Because when the gas impact force is too big, probably cause the fly-off or damage of fly-off, the pointed nail exists the danger that flies out this moment, so here adopts the structure of installing the spliced pole between last nail cap and the lower nail cap, connects a plurality of pointed nails through plastic strip, when the fly-off, the plastic strip can produce the pulling force to pointed nail, avoids pointed nail to fly-off.
More specifically, the inner wall of the mounting cylinder 6 is also provided with a mounting ring 9, the inner side of the mounting ring 9 is provided with a mounting groove, and a baffle 10 is arranged in the mounting groove.
The rust sheet and the like existing in the pipeline are easy to flush out from the pipeline, and the flying position of the rust sheet is indefinite due to self gravity after the rust sheet flies out, so that the rust sheet is easy to cause track deviation to hurt surrounding staff, and therefore a baffle plate is arranged for blocking the rust sheet.
More specifically, the baffle 10 is provided with a plurality of through holes.
The through holes arranged on the baffle can ensure the blocking of the rust piece and simultaneously meet the passing of high-pressure air in the pipeline.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (10)
1. The utility model provides a flexible explosion vent for coal powder pipeline which characterized in that: including flexible rupture membrane (1), flexible rupture membrane (1) are installed between upper cover plate (2), lower apron (3) are kept away from one side fixedly connected with installation section of thick bamboo (6) of upper cover plate (2), installation section of thick bamboo (6) are connected with fly leaf (7), fly leaf (7) are rectangle, the one end of fly leaf (7) with installation section of thick bamboo (6) inner wall fixed connection, the other end of fly leaf (7) is directional the center of installation section of thick bamboo (6), run through on fly leaf (7) and be provided with a plurality of sharp nails (8), the sharp thorn end (801) of sharp nail (8) are directional flexible rupture membrane (1) set up.
2. The flexible explosion vent for a pulverized coal conveying pipeline according to claim 1, wherein: still include screw (4), be equipped with first mounting hole on upper cover plate (2), lower apron (3) be equipped with the communicating second mounting hole of first mounting hole, screw (4) stretch into behind the first mounting hole run through flexible explosion-proof membrane (1) stretch into in the second mounting hole, screw (4) are located one end threaded connection of second mounting hole has nut (5).
3. The flexible explosion vent for pulverized coal transport pipes as set forth in claim 2, wherein: the upper cover plate (2) and the lower cover plate (3) are both hollow ring-shaped structures, and the mounting cylinder (6) is of a hollow cylindrical structure.
4. The flexible explosion vent for a pulverized coal conveying pipeline according to claim 1, wherein: the movable plate (7) is arc-shaped, and the arc-shaped opening is far away from the flexible explosion-proof membrane (1).
5. The flexible explosion vent for a pulverized coal conveying pipeline according to claim 4, wherein: the movable plate (7) is made of a rubber plate.
6. The flexible explosion vent for a pulverized coal conveying pipeline according to claim 1, wherein: the plurality of pointed nails (8) are arranged, and the plurality of pointed nails (8) are orderly arranged in a matrix shape.
7. The flexible explosion vent for a pulverized coal conveying pipeline according to claim 6, wherein: spike (8) still include upper nail cap (802), lower nail cap (803), spliced pole (804), spike end (801) are kept away from the one end of flexible rupture membrane (1) is equipped with lower nail cap (803), lower nail cap (803) are kept away from the one end of flexible rupture membrane (1) is equipped with spliced pole (804), spliced pole (804) are kept away from the one end of lower nail cap (803) is equipped with upper nail cap (802), the cover is equipped with plastic strip (805) on spliced pole (804).
8. The flexible explosion vent for a pulverized coal conveying pipeline according to claim 7, wherein: the same plastic strip (805) is sleeved on any row and/or column of pointed nails (8).
9. The flexible explosion vent for a pulverized coal conveying pipeline according to claim 1, wherein: the inner wall of the mounting cylinder (6) is also provided with a mounting ring (9), the inner side of the mounting ring (9) is provided with a mounting groove, and a baffle (10) is arranged in the mounting groove.
10. The flexible explosion vent for a pulverized coal conveying pipeline according to claim 9, wherein: the baffle (10) is provided with a plurality of through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322214990.6U CN220668497U (en) | 2023-08-17 | 2023-08-17 | Flexible explosion door for pulverized coal conveying pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322214990.6U CN220668497U (en) | 2023-08-17 | 2023-08-17 | Flexible explosion door for pulverized coal conveying pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220668497U true CN220668497U (en) | 2024-03-26 |
Family
ID=90331249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322214990.6U Active CN220668497U (en) | 2023-08-17 | 2023-08-17 | Flexible explosion door for pulverized coal conveying pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220668497U (en) |
-
2023
- 2023-08-17 CN CN202322214990.6U patent/CN220668497U/en active Active
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| GR01 | Patent grant |