CN216306852U - Pressure relief device for dust explosion - Google Patents
Pressure relief device for dust explosion Download PDFInfo
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- CN216306852U CN216306852U CN202123136656.0U CN202123136656U CN216306852U CN 216306852 U CN216306852 U CN 216306852U CN 202123136656 U CN202123136656 U CN 202123136656U CN 216306852 U CN216306852 U CN 216306852U
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Abstract
The utility model provides a pressure relief device for dust explosion, which comprises an advanced high-strength steel protective cover, an advanced high-strength steel extrusion plate, a transverse advanced high-strength steel rod and a high-strength hexagonal nut seat, wherein the right side of the annular side surface of the transverse advanced high-strength steel rod is provided with the high-strength hexagonal nut seat, the upper side of the right end surface of a pressure tank is provided with the advanced high-strength steel protective cover, and the right end surface of the advanced high-strength steel protective cover is attached with the advanced high-strength steel extrusion plate.
Description
Technical Field
The utility model relates to a pressure relief device for dust explosion, belonging to the technical field of dust explosion pressure relief.
Background
The dust explosion pressure relief technology is one of methods for relieving dust explosion hazards, and is a protective measure applied to combustible dust processing equipment. The method has dust anti-explosion requirements in industries such as metallurgical coal powder preparation, metal product processing, grain processing, feed processing, food processing, textile processing, leather and feather product processing, wood and furniture processing, paper product processing, rubber and plastic processing, tobacco processing and the like. The guideline for pressure relief of dust explosion (GB/T15605-2008) clearly states that the pressure relief opening should be arranged when the intensity of the process equipment and the pipeline is not enough to bear the overpressure generated by the internal dust explosion under the actual working condition.
The pressure relief device commonly adopted in the prior art is a rupture disk and is used as an important safety device of a pressure container, a pipeline and the like, when the pressure difference between two sides of the rupture disk reaches a preset value, the rupture disk can be broken to realize the pressure relief, and therefore the personal and property safety is guaranteed. However, the existing rupture disk is not equipped with the existing protection structure at the outside, so that the rupture disk is broken when being exploded, and fragments are splashed during the breakage, so that the potential safety hazard exists, and the problem of the occurrence is solved by an emergency pressure relief device for dust explosion at present.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a pressure relief device for dust explosion to solve the problems in the background art, and the pressure relief device is reasonable in structure, good in protection effect and capable of avoiding fragments generated during blasting of a blasting sheet from splashing randomly.
In order to achieve the purpose, the utility model is realized by the following technical scheme: a pressure relief device for dust explosion comprises a pressure tank, a rupture disk and a buffering protection component, wherein the rupture disk is assembled on the upper side of the right end face of the pressure tank, the buffering protection component is arranged on the right end face of the rupture disk and comprises a high-density sponge plate, a reinforced plastic extrusion plate, an advanced high-strength steel protective cover, an advanced high-strength steel extrusion plate, a pressure spring, a transverse advanced high-strength steel rod, a high-strength hexagonal nut seat, an annular extrusion plate, a torsion spring and an advanced high-strength steel fixing seat, the upper side of the right end face of the pressure tank is welded with the advanced high-strength steel fixing seat, the transverse advanced high-strength steel rod is inserted in the middle of the right end face of the advanced high-strength steel fixing seat, the high-strength hexagonal nut seat is arranged on the right side of the annular side face of the transverse advanced high-strength steel rod, the annular extrusion plate is attached to the left end face of the high-strength hexagonal nut seat, the horizontal advanced high-strength steel rod annular side right side cover is equipped with torsion spring, advanced high-strength steel protection casing is installed to pressure tank right-hand member face upside, the laminating of advanced high-strength steel protection casing right-hand member face has advanced high-strength steel stripper plate, the inside intermediate position card of advanced high-strength steel protection casing is equipped with pressure spring, the reinforced plastic stripper plate is installed in the pressure spring left side, reinforced plastic stripper plate left end face clamps has the high density sponge board.
Further, the air vents are symmetrically formed in the front end face, the rear end face, the upper end face and the lower end face of the advanced high-strength steel protective cover, the air vents are provided with multiple groups in an equal-specification mode, triangular reinforcing rib pieces are welded on the right side of the inner wall of the advanced high-strength steel protective cover, and four groups of triangular reinforcing rib pieces in an equal-specification welding mode are welded.
Furthermore, annular limiting clamping seats are symmetrically welded on the left end face and the right end face of the pressure spring, and the extrusion pressure value of the pressure spring is smaller than the maximum bearing pressure value of the rupture disk.
Further, advanced high strength steel fixing base isotatic welding has four groups, four groups advanced high strength steel fixing base is inside all to be equipped with high strength fixing bolt, four groups advanced high strength steel fixing base annular side left side all welds and has fixed oblique piece.
Further, the plug-in of horizontal advanced high strength steel pole isotacticity has four groups, horizontal advanced high strength steel pole annular side is provided with the external screw thread, and the external screw thread meshes with high strength hexagon nut seat mutually, high strength hexagon nut seat isotacticity is provided with four groups, four groups are installed to annular extrusion piece isotacticity, four groups are overlapped to torsion spring isotacticity.
Further, the upper side of the right end face of the pressure tank is provided with a pressure relief through cavity, the size of the pressure relief through cavity is smaller than that of the rupture disk, and the rupture disk is of a detachable structure.
The utility model has the beneficial effects that: the utility model relates to a pressure relief device for dust explosion, which is characterized in that a high-density sponge plate, a reinforced plastic extrusion plate, an advanced high-strength steel protective cover, an advanced high-strength steel extrusion plate, a pressure spring, a transverse advanced high-strength steel rod and torsion springs are added, when a rupture disk is exploded, the high-density sponge plate can buffer a part of impact force, the pressure spring enables the reinforced plastic extrusion plate to have buffer capacity so as to buffer a part of impact force, most of the impact force generated during the explosion of the rupture disk is prevented from being directly transmitted into the advanced high-strength steel protective cover, fragments generated during the explosion are prevented from being blocked inside by the advanced high-strength steel protective cover so as to prevent the fragments from randomly splashing to the outside, and four groups of torsion springs enable the advanced high-strength steel extrusion plate to have left and right buffer capacities so as to buffer a part of the impact force transmitted from the advanced high-strength steel protective cover, the condition that the advanced high-strength steel protective cover slips due to the fact that the advanced high-strength steel extrusion plate is easily broken is avoided.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of a pressure relief device for dust explosion according to the present invention;
FIG. 2 is a front sectional view of a buffering protection component in a dust explosion pressure relief device according to the present invention;
FIG. 3 is a sectional top view of a buffering protection assembly in a dust explosion pressure relief device according to the present invention;
in the figure: 1-pressure tank, 11-pressure relief through cavity, 2-rupture disk, 3-buffer protection component, 31-high density sponge plate, 32-reinforced plastic extrusion plate, 33-advanced high-strength steel protection cover, 331-vent hole, 332-triangular reinforcing rib plate, 34-advanced high-strength steel extrusion plate, 35-pressure spring, 36-transverse advanced high-strength steel rod, 37-high-strength hexagon nut seat, 38-annular extrusion plate, 39-torsion spring, 311-advanced high-strength steel fixing seat and 3111-high-strength fixing bolt.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a dust explosion's pressure relief device, includes overhead tank 1, rupture disk 2 and buffering protection component 3, and 1 right-hand member face upside of overhead tank is equipped with rupture disk 2, and 2 right-hand member faces of rupture disk are provided with buffering protection component 3.
The buffer protection component 3 comprises a high-density sponge plate 31, a reinforced plastic extrusion plate 32, an advanced high-strength steel protective cover 33, an advanced high-strength steel extrusion plate 34, a pressure spring 35, a transverse advanced high-strength steel rod 36, a high-strength hexagonal nut seat 37, an annular extrusion sheet 38, a torsion spring 39 and an advanced high-strength steel fixing seat 311, wherein the advanced high-strength steel fixing seat 311 is welded on the upper side of the right end face of the pressure tank 1, the transverse advanced high-strength steel rod 36 is inserted in the middle of the right end face of the advanced high-strength steel fixing seat 311, the high-strength hexagonal nut seat 37 is arranged on the right side of the annular side face of the transverse advanced high-strength steel rod 36, the annular extrusion sheet 38 is attached on the left end face of the high-strength hexagonal nut seat 37, the spring 39 is sleeved on the right side of the annular side face of the transverse advanced high-strength steel rod 36, the advanced high-strength steel protective cover 33 is installed on the upper side of the right end face of the pressure tank 1, the advanced high-strength steel protective cover 33 is attached with the advanced high-strength steel extrusion plate 34, pressure spring 35 is clamped in the middle of the interior of the advanced high-strength steel protective cover 33, the reinforced plastic extrusion plate 32 is mounted on the left side of the pressure spring 35, the high-density sponge plate 31 is clamped on the left end face of the reinforced plastic extrusion plate 32, and the problem that fragments generated by an original rupture disk during blasting can splash randomly is solved through the design.
The left end face and the right end face of the pressure spring 35 are symmetrically welded with annular limiting clamping seats, the extrusion force value of the pressure spring 35 is smaller than the maximum bearing pressure value of the rupture disk 2, the rupture disk 2 is prevented from being exploded according to a preset value due to the fact that large extrusion force is received by the design, and the annular limiting clamping seats are convenient to clamp and fix the pressure spring 35.
Four sets of advanced high-strength steel fixing seats 311 are welded in an equal-specification manner, high-strength fixing bolts 3111 are assembled in the four sets of advanced high-strength steel fixing seats 311, fixing inclined pieces are welded on the left sides of the annular side faces of the four sets of advanced high-strength steel fixing seats 311, the high-strength fixing bolts 3111 facilitate the horizontal advanced high-strength steel rods 36 to be installed and fixed on the right end face of the advanced high-strength steel fixing seats 311, the fixing inclined pieces enable the left end face of the advanced high-strength steel fixing seat 311 to be connected with the pressure tank 1 more stably, four sets of horizontal advanced high-strength steel rods 36 are inserted in an equal-specification manner, external threads are arranged on the annular side faces of the horizontal advanced high-strength steel rods 36 and meshed with the high-strength hexagonal nut seats 37, four sets of high-strength hexagonal nut seats 37 are arranged in an equal-specification manner, four sets of annular extrusion pieces 38 are installed in an equal-specification manner, four sets of torsion springs 39 are sleeved in an equal-specification manner, the external threads facilitate the high-strength hexagonal nut seats 37 to be meshed on the annular side faces of the horizontal advanced high-strength steel rods 36, so that the leftward pressing force is applied to the torsion spring 39 through the annular pressing piece 38.
Pressure release logical chamber 11 has been seted up to 1 right-hand member face upside of overhead tank, and the pressure release leads to chamber 11 size and is less than rupture disc 2 sizes, and rupture disc 2 is detachable construction, and pressure release leads to chamber 11 and conveniently leads to 1 internal pressure of overhead tank to 2 left end faces of rupture disc to rupture disc 2 can explode the pressure release when 1 internal pressure of overhead tank is too big.
As an embodiment of the present invention: after the rupture disk 2 is fixed at the designated position of the pressure tank 1, an assembler can install the advanced high-strength steel shield 33 at the right side of the rupture disk 2, at the moment, the reinforced plastic extrusion plate 32 can apply a left thrust to the high-density sponge plate 31 under the extrusion force of the pressure spring 35, so that the high-density sponge plate 31 is tightly attached to the right end face of the rupture disk 2, then four groups of transverse advanced high-strength steel rods 36 are respectively inserted and fixed at the right end face of the four groups of advanced high-strength steel fixing seats 311 through the high-strength fixing bolts 3111, then the advanced high-strength steel extrusion plate 34 can lean against the right end face of the advanced high-strength steel shield 33 from right to left (in the process, the four groups of transverse advanced high-strength steel rods 36 are required to be inserted into the advanced high-strength steel extrusion plate 34), at the moment, four groups of torsion springs 39 can be respectively sleeved at the right side of the annular sides of the four groups of transverse advanced high-strength steel rods 36, then, four groups of annular extrusion pieces 38 are respectively sleeved on the right end faces of four groups of torsion springs 39, and finally, four groups of high-strength hexagonal nut seats 37 are respectively engaged and fixed on four groups of transverse advanced high-strength steel rods 36 by means of an external wrench, so that the four groups of annular extrusion pieces 38 apply leftward extrusion force to the four groups of torsion springs 39, and the four groups of torsion springs 39 apply leftward extrusion force to the right end faces of the advanced high-strength steel extrusion plates 34, so that the advanced high-strength steel protective covers 33 are extruded and fixed.
When the rupture disk 2 is ruptured, the high-density sponge plate 31 can buffer a part of the impact force, the pressure spring 35 can enable the reinforced plastic extrusion plate 32 to have the buffer capacity so as to buffer a part of the impact force, and prevent most of the impact force generated when the rupture disk 2 is ruptured from being directly transmitted into the advanced high-strength steel shield 33, so that most of the impact force generated when the rupture disk 2 is ruptured can be buffered in a multi-stage manner, the fragments generated during rupture can be blocked inside by the advanced high-strength steel shield 33, the fragments can be prevented from being splashed to the outside at will, meanwhile, the plurality of groups of vent holes 331 can rapidly discharge the pressure generated inside the advanced high-strength steel shield 33 to the outside, the burst caused by the overlarge pressure inside the advanced high-strength steel shield 33 is avoided, and the four groups of torsion springs 39 can enable the advanced high-strength steel extrusion plate 34 to have the left and right buffer capacity so as to buffer a part of the impact force transmitted from the advanced high-strength steel shield 33, the situation that the advanced high-strength steel extrusion plate 34 is easily broken to cause the advanced high-strength steel protective cover 33 to slip is avoided.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a dust explosion's pressure relief device, includes overhead tank, rupture disk and buffering protection component, its characterized in that: the upper side of the right end face of the pressure tank is provided with a rupture disk, and the right end face of the rupture disk is provided with a buffer protection assembly;
the buffer protection component comprises a high-density sponge plate, a reinforced plastic extrusion plate, an advanced high-strength steel protection cover, an advanced high-strength steel extrusion plate, a pressure spring, a transverse advanced high-strength steel rod, a high-strength hexagonal nut seat, an annular extrusion sheet, a torsion spring and an advanced high-strength steel fixing seat, wherein the advanced high-strength steel fixing seat is welded on the upper side of the right end face of the pressure tank, the transverse advanced high-strength steel rod is inserted in the middle of the right end face of the advanced high-strength steel fixing seat, the high-strength hexagonal nut seat is arranged on the right side of the annular side face of the transverse advanced high-strength steel rod, the annular extrusion sheet is attached to the left end face of the high-strength hexagonal nut seat, the torsion spring is sleeved on the right side of the annular side face of the transverse advanced high-strength steel rod, the advanced high-strength steel protection cover is installed on the upper side of the right end face of the pressure tank, the advanced high-strength steel protection cover is attached to the advanced high-strength steel extrusion plate, the middle position in the advanced high-strength steel protective cover is clamped with a pressure spring, the left side of the pressure spring is provided with a reinforced plastic extrusion plate, and the left end face of the reinforced plastic extrusion plate is clamped with a high-density sponge plate.
2. A dust explosion pressure relief device according to claim 1, wherein: the air vents are symmetrically formed in the front end face, the rear end face, the upper end face and the lower end face of the advanced high-strength steel protective cover, the air vents are provided with a plurality of groups in an equal-specification mode, triangular reinforcing rib pieces are welded on the right side of the inner wall of the advanced high-strength steel protective cover, and four groups of triangular reinforcing rib pieces in an equal-specification welding mode are welded.
3. A dust explosion pressure relief device according to claim 1, wherein: the pressure spring left and right end faces are symmetrically welded with annular limiting clamping seats, and the extrusion pressure value of the pressure spring is smaller than the maximum bearing pressure value of the rupture disk.
4. A dust explosion pressure relief device according to claim 1, wherein: advanced high strength steel fixing base isotatic welding has four groups, four groups the inside high strength fixing bolt that all is equipped with of advanced high strength steel fixing base, four groups advanced high strength steel fixing base annular side left side all welds and has fixed oblique piece.
5. A dust explosion pressure relief device according to claim 1, wherein: the technical scheme is that the high-strength universal fixture is characterized in that four groups of transverse advanced high-strength steel rods are inserted in the same specification, external threads are arranged on the annular side face of each transverse advanced high-strength steel rod and are meshed with high-strength hexagonal nut seats, four groups of high-strength hexagonal nut seats are arranged in the same specification, four groups of annular extrusion pieces are arranged in the same specification, and four groups of torsion springs are sleeved in the same specification.
6. A dust explosion pressure relief device according to claim 1, wherein: the pressure tank right-hand member face upside has seted up the pressure release and leads to the chamber, and the pressure release leads to the chamber size and is less than the rupture disk size, the rupture disk is detachable construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123136656.0U CN216306852U (en) | 2021-12-15 | 2021-12-15 | Pressure relief device for dust explosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123136656.0U CN216306852U (en) | 2021-12-15 | 2021-12-15 | Pressure relief device for dust explosion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216306852U true CN216306852U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123136656.0U Active CN216306852U (en) | 2021-12-15 | 2021-12-15 | Pressure relief device for dust explosion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216306852U (en) |
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2021
- 2021-12-15 CN CN202123136656.0U patent/CN216306852U/en active Active
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