CN205118358U - Pressure relief device of dust explosion - Google Patents
Pressure relief device of dust explosion Download PDFInfo
- Publication number
- CN205118358U CN205118358U CN201520708165.4U CN201520708165U CN205118358U CN 205118358 U CN205118358 U CN 205118358U CN 201520708165 U CN201520708165 U CN 201520708165U CN 205118358 U CN205118358 U CN 205118358U
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- explosion
- pressure relief
- relief device
- dust explosion
- dust
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Abstract
The utility model discloses a pressure relief device of dust explosion for it is not enough to solve the piece departure crisis personal safety as well as the property safety and the rupture disk stability that exist among the prior art, and the technical problem of detonation pressure power is let out to heavy handled accuracy, and this pressure relief device includes: blasting board, a restraining device, this restraining device is used for preventing explodeing the board departure, and this pressure relief device of dust explosion still includes to let out and explodes bolt -up spare, should let out to explode bolt -up spare and be fixed in and explode on the board. The utility model discloses the special dust explosion pressure relief device of being directed against designs, and when the blasting pressure release, safe and reliable lets out and explodes the precision height.
Description
Technical field
The utility model relates to a kind of pressure relief device, especially relates to a kind of pressure relief device of dust explosion.
Background technique
Dust explosion venting pressure technology is one of method alleviating dust explosion harm, is a kind of safeguard practice being applied to ignitable dust processing equipment.Dust antiknock demand is all had in metallurgical pulverized coal preparation, fabricated metals processing, grain processing, feed manufacturing, food processing, textile processing, the processing of leather feather products, wood furniture processing, paper product processing, rubber and the industry such as plastic processing, tobacco processing.Clear stipulaties in " guide for pressure-relieving of dust explosion " (GB/T15605-2008), when the superpressure that the strength deficiency of manufacturing equipment and pipeline to produce with inner dust explosion under bearing its actual conditions, should arrange venting of dust explosion mouth.
In prior art, the comparatively normal pressure relief device adopted is rupture disk.As the important safety of pressurized container, pipeline etc., when rupture disk pressure at both sides difference reaches predetermined value, rupture disk can be cracked, realizes relieving pressure, thus ensure the person and property safety.Rupture disk is widely used in the fields such as chemical industry, oil, metallurgy, nuclear power, aviation.But rupture disk is existed the technical problem of following two aspects as pressure relief device: one side, due to can be chipping during rupture disk explosion, therefore exists the potential safety hazard that fragment flies out; On rupture disk, the polishing of cut is processed on the other hand, and be difficult to control polishing degree, easily cause the performance difference of same batch products, its stability is inadequate, is difficult to control accurate venting pressure.
In view of this, need a kind of pressure relief device of new dust explosion in prior art, it can fly out without fragment when explosion, and can realize accurate explosion at different actual conditionss.
Model utility content
Fly out jeopardize personal safety as well as the property safety and rupture disk stability is inadequate to overcome the fragment existed in prior art, be difficult to the technological deficiency controlling accurate venting pressure, the utility model provides a kind of pressure relief device of dust explosion, the pressure relief device of this dust explosion eliminates the potential safety hazard that fragment flies out, and according to the accurate venting pressure of actual conditions and pressure release area, realize not only safety but also accurately venting of dust explosion.
In order to realize above-mentioned model utility object; the utility model discloses a kind of pressure relief device of dust explosion; comprise: an explosion plate, a restricting means; described restricting means is used for preventing described explosion plate to be separated with a protected device; it is characterized in that; the pressure relief device of described dust explosion also comprises an explosion venting bolt fastener, and described explosion venting bolt fastener is fixed on described explosion plate.
Further, described explosion plate has N bar limit, N be more than or equal to 3 positive integer, described restricting means is positioned on the n bar limit of described explosion plate, and n is the positive integer being less than N, and described explosion venting bolt fastener is positioned on described explosion plate remaining N-n bar limit.
Further, the pressure relief device of described dust explosion also comprises a rubber sheet gasket, and described rubber sheet gasket is between described explosion plate and described protected device.
Further, described restricting means is that a fixing bolt fastening piece or a rubber press from both sides or a hinge.
Further, described explosion plate is made up of one or more in following material: metal, graphite, plastics, pottery.
Further, described protected device is the group shot device of a container and/or a silo and/or a pipeline.
Further, described protected device is a container or a silo or an equipment or a pipeline.
Further, described rubber sheet gasket is made up of an open cell elastomeric profiled member.
Further, described explosion venting bolt fastener is made up of a screw rod and a metallic shim.
Further, described screw rod has one from tap holder.
Compared with prior art, the pressure relief device of dust explosion provided by the utility model has the following advantages: the first, when reaching venting pressure, explosion plate keeps complete not cracked, safe venting of dust explosion is realized by explosion venting bolt fastener and restricting means, therefore, the potential safety hazard that fragment flies out is eliminated; The second, explosion venting bolt fastener is compared to cut of the prior art, and the stability of explosion venting bolt fastener is better; Three, the position of adjustment explosion venting bolt fastener, interval and quantity is passed through, can according to actual conditions, accurate adjustment pressure release area and venting pressure.
Accompanying drawing explanation
Can to be described in detail by following model utility and institute's accompanying drawings is further understood about advantage of the present utility model and spirit.
Fig. 1 is the structural representation of the pressure relief device of dust explosion provided by the utility model;
Structural representation when Fig. 2 is the pressure relief device use of dust explosion provided by the utility model.
Embodiment
Specific embodiment of the utility model is described in detail below in conjunction with accompanying drawing.But, the utility model should be understood as and be not limited to this mode of execution described below, and technical concept of the present utility model can combine with other known technologies or function other technologies identical with those known technologies and implements.
In the explanation of following specific embodiment, in order to clear displaying structure of the present utility model and working method, to be described by many Directional words, but by the Word Understanding such as "front", "rear", "left", "right", " outward ", " interior ", " outwards ", " inwardly ", " axis ", " radial direction " for convenience of term, and word of limitation should do not should be understood to.Similarly, the qualifier being similar to " " occurred herein not refers to the restriction to quantity, but describes the technical characteristics do not occurred in the preceding article.Not only similarly, only there is the noun that specific quantity measure word is modified, otherwise should regard as in this article and comprise singulative but also comprise plural form, in this technological scheme, namely can comprise odd number this technical characteristics, also can comprise this technical characteristics a plurality of.
The utility model expect that the technical problem solved is, the pressure relief device of this dust explosion realizes flying out safe venting of dust explosion without fragment, and according to the accurate venting of dust explosion of actual conditions.
In order to realize above-mentioned model utility object, the utility model provides a kind of pressure relief device of dust explosion, when venting of dust explosion, explosion plate is not cracked, flies out without fragment, safe venting of dust explosion, meanwhile, by adjusting the position of explosion venting bolt fastener, interval, quantity realizes under different operating mode accurate venting of dust explosion.
Specific embodiment of the utility model is described in detail below in conjunction with accompanying drawing 1-2.
Fig. 1 is the structural representation of the pressure relief device of dust explosion provided by the utility model.Explosion plate is a corrosion resistant plate 3, and this corrosion resistant plate 3 is 304 corrosion resistant plates of thickness 2 millimeters, rectangle.Explosion venting bolt fastener 1 is installed on wherein three limits of corrosion resistant plate 3, can pressure release area fixing during for such as blasting.Fixing bolt fastening piece 2 is installed on residue one side of corrosion resistant plate 3; fixing to the traction of explosion slab integral during for such as blasting; corrosion resistant plate 3 is installed on outside protected device, and rubber sheet gasket 4 is installed between protected device and corrosion resistant plate 3, and protected device of fitting.This rubber sheet gasket 4 is made up of an open cell elastomeric profiled member.
In addition, in another specific embodiment of the present utility model, its explosion plate also can be a thickness 2 millimeters, hexagonal 304 corrosion resistant plates.Explosion venting bolt fastener be installed on corrosion resistant plate wherein on one side on, can pressure release area fixing during for such as blasting.Fixing bolt fastening piece is installed on residue five limit of corrosion resistant plate; fixing to the traction of explosion slab integral during for such as blasting; corrosion resistant plate is installed on outside protected device, and rubber sheet gasket is installed between protected device and corrosion resistant plate, and protected device of fitting.
Protected device can be container, silo, pipeline, equipment etc.The quantity of explosion venting bolt fastener 1, interval, position can carry out regulating realizing the accurate venting of dust explosion under various operating mode.The quantity of the pressure release area of this pressure relief device, the quantity of explosion venting bolt fastener, fixing bolt fastening piece all draws by analytical calculation, to realize accurate venting of dust explosion.
Structural representation when Fig. 2 is the pressure relief device use of dust explosion provided by the utility model.Explosion venting bolt fastener 1 is installed on corrosion resistant plate 3, can pressure release area fixing during for such as blasting.Fixing bolt fastening piece 2 is installed on corrosion resistant plate 3; fixing to the traction of explosion slab integral during for such as blasting; corrosion resistant plate 3 is installed on outside protected device, and corrosion resistant plate 3 will according to preset direction venting of dust explosion, and bolt fastener 2 integrally dragging that is fixed is fixed.Rubber sheet gasket 4 is clipped in outside protected device and between corrosion resistant plate 3.
This explosion venting bolt fastener 1 for application number be " explosion venting bolt fastener for pressure relief facility " of CN200810180526.7.This explosion venting bolt fastener 1 is made up of a screw rod and a metallic shim, and this screw flight top layer is coated with anticorrosion rusty scale.Because metallic shim adopts arcuate structure, certain pretightening force effect can be played, therefore when mounted, as long as tighten a little.All explosion venting bolt fasteners 1 all have from tap holder, directly venting of dust explosion pad (not shown), corrosion resistant plate 3, rubber sheet gasket 4 are anchored on protected device, reach intensity and the sealing requirements of protected device itself.This fixing bolt fastening piece 2 is made up of M12 screw rod, pad and nut.
In addition, the restricting means in the utility model is not limited to fixing bolt fastening piece, its can be rubber folder or hinge etc. other there is the device of restriction fixed function.Simultaneously, explosion plate of the present utility model is one effectively can resist Blasting shock wave, and the shock wave that the moment that can intercept blast produces, and without the panel that fragment flies out, it is not limited to corrosion resistant plate, and it can be the explosion plate be made up of other materials such as any metal, graphite, plastics or potteries.The shape of explosion plate also and not necessarily is a rectangular shape, its can have N bar limit (N be more than or equal to 3 positive integer).
Compared with prior art, the pressure relief device of dust explosion provided by the utility model has the following advantages: the first, when reaching venting pressure, explosion plate keeps complete not cracked, safe venting of dust explosion is realized by explosion venting bolt fastener and restricting means, therefore, the potential safety hazard that fragment flies out is eliminated; The second, explosion venting bolt fastener replaces cut of the prior art, and the stability of explosion venting bolt fastener is better; Three, the position of adjustment explosion venting bolt fastener, interval and quantity is passed through, can according to actual conditions, accurate adjustment pressure release area and venting pressure.
Just preferred embodiment of the present utility model described in this specification, above embodiment is only in order to illustrate the technical solution of the utility model but not to restriction of the present utility model.All those skilled in the art comply with design of the present utility model by the available technological scheme of logical analysis, reasoning, or a limited experiment, all should within scope of the present utility model.
Claims (10)
1. the pressure relief device of a dust explosion; comprise: an explosion plate, a restricting means; described restricting means is used for preventing described explosion plate to be separated with a protected device; it is characterized in that; the pressure relief device of described dust explosion also comprises an explosion venting bolt fastener, and described explosion venting bolt fastener is fixed on described explosion plate.
2. the pressure relief device of dust explosion as claimed in claim 1, it is characterized in that, described explosion plate has N bar limit, N be more than or equal to 3 positive integer, described restricting means is positioned on the n bar limit of described explosion plate, n is the positive integer being less than N, and described explosion venting bolt fastener is positioned on described explosion plate remaining N-n bar limit.
3. the pressure relief device of dust explosion as claimed in claim 1, it is characterized in that, the pressure relief device of described dust explosion also comprises a rubber sheet gasket, and described rubber sheet gasket is between described explosion plate and described protected device.
4. the pressure relief device of dust explosion as claimed in claim 1, is characterized in that, described restricting means is that a fixing bolt fastening piece or a rubber press from both sides or a hinge.
5. the pressure relief device of dust explosion as claimed in claim 1, it is characterized in that, described explosion plate is made up of one or more in following material: metal, graphite, plastics, pottery.
6. the pressure relief device of dust explosion as claimed in claim 1, it is characterized in that, described protected device is the group shot device of a container and/or a silo and/or a pipeline.
7. the pressure relief device of dust explosion as claimed in claim 1, is characterized in that, described protected device is a container or a silo or an equipment or a pipeline.
8. the pressure relief device of dust explosion as claimed in claim 3, it is characterized in that, described rubber sheet gasket is made up of an open cell elastomeric profiled member.
9. the pressure relief device of dust explosion as claimed in claim 1, it is characterized in that, described explosion venting bolt fastener is made up of a screw rod and a metallic shim.
10. the pressure relief device of dust explosion as claimed in claim 9, it is characterized in that, described screw rod has one from tap holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520708165.4U CN205118358U (en) | 2015-09-14 | 2015-09-14 | Pressure relief device of dust explosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520708165.4U CN205118358U (en) | 2015-09-14 | 2015-09-14 | Pressure relief device of dust explosion |
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| Publication Number | Publication Date |
|---|---|
| CN205118358U true CN205118358U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520708165.4U Active CN205118358U (en) | 2015-09-14 | 2015-09-14 | Pressure relief device of dust explosion |
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| CN (1) | CN205118358U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195384A (en) * | 2016-08-30 | 2016-12-07 | 南通大通宝富风机有限公司 | A kind of ventilating system high anti-seismic type explosion-wave-preventing valve |
| CN108302233A (en) * | 2018-01-31 | 2018-07-20 | 江苏爵格工业设备有限公司 | A kind of explosion venting device of tape guide |
-
2015
- 2015-09-14 CN CN201520708165.4U patent/CN205118358U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195384A (en) * | 2016-08-30 | 2016-12-07 | 南通大通宝富风机有限公司 | A kind of ventilating system high anti-seismic type explosion-wave-preventing valve |
| CN106195384B (en) * | 2016-08-30 | 2018-04-03 | 南通大通宝富风机有限公司 | A kind of ventilating system high anti-seismic type explosion-wave-preventing valve |
| CN108302233A (en) * | 2018-01-31 | 2018-07-20 | 江苏爵格工业设备有限公司 | A kind of explosion venting device of tape guide |
| CN108302233B (en) * | 2018-01-31 | 2023-10-17 | 江苏爵格工业集团有限公司 | Explosion venting device with guide device |
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