CN207715845U - A kind of multi-cavity dust nonflame bleeder - Google Patents
A kind of multi-cavity dust nonflame bleeder Download PDFInfo
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- CN207715845U CN207715845U CN201721821312.4U CN201721821312U CN207715845U CN 207715845 U CN207715845 U CN 207715845U CN 201721821312 U CN201721821312 U CN 201721821312U CN 207715845 U CN207715845 U CN 207715845U
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- leakage path
- bleeder
- cavity
- dust
- venting
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Abstract
The utility model discloses a kind of multi-cavity dust nonflame bleeders, belong to dust explosion protection technical field, it is therefore an objective to which the working performance for improving nonflame bleeder avoids generating secondary injury.The utility model includes bleeder ontology, suction flange and outlet are provided in the bleeder ontology, the cross sectional shape of the bleeder ontology is sector, the suction flange is provided with venting of dust explosion plate, the outlet is provided with flame retardant bed, the suction flange is connected to the outlet by venting of dust explosion cavity, it include main leakage path in the venting of dust explosion cavity, one end of the main leakage path is connected to suction flange, the main leakage path axial direction both sides are both provided with time leakage path, the secondary leakage path is connected to the main leakage path, main leakage path, secondary leakage path is bonded with flame retardant bed.The utility model protects field for dust explosion.
Description
Technical field
The utility model belongs to dust explosion protection technical field, and in particular to arrives a kind of dust nonflame bleeder.
Background technology
Nonflame bleeder is mainly used for the dust explosion protection of the industries such as grain, metallurgy, chemical industry, electric power, pharmacy, mechanical processing
Field is particularly applicable in the connected pipe of the equipment such as cyclone separator, deduster, dust collector, filtering cartridge filter, Geldart-D particle
On the road.
In the prior art, nonflame bleeder by the flanged joint of its both sides on pipeline, internal fire suppression module
Corrugated plating made of mainly being suppressed by steel plate forms.This nonflame bleeder has the disadvantage that：1. flow rate generally can only
Reach 30% or so, in the case where not changing pipeline valid circulation area, the latus rectum of nonflame bleeder is needed to increase 3 times
More than；2. since corrugated plating is suppressed by steel plate, weight ratio is heavier, increases the weight of nonflame bleeder entirety, peace
When on pipeline, need to bear shear stress using large diameter bolt；3. maintaining is difficult, the flange both sides is needed
Nonflame bleeder could be removed by dismantling, and then carry out maintaining again.
Chinese invention patent " dust nonflame bleeder " (application publication number CN107314140A) discloses a kind of dust
Nonflame bleeder, including venting of dust explosion plate and venting of dust explosion cavity are provided with import and outlet on the venting of dust explosion cavity, and the venting of dust explosion plate connects
It is connected in the import of the venting of dust explosion cavity, the exit of the venting of dust explosion cavity is equipped with flame retardant bed, and the flame retardant bed is using stainless
The strainer of steel material；The outlet of the venting of dust explosion cavity is sector from the side.Only there are one venting of dust explosion cavitys for the invention, when the device
When work, whole pressure are stopped by flame retardant bed, when blast pressure is more than the fire when flame retardant bed designs the upper limit or in shock wave
When flame is excessive with unburned dust, when being more than the design upper limit of flame retardant bed, the failure of nonflame bleeder, and secondary wound can occur
Evil.
Utility model content
The purpose of this utility model is that：A kind of multi-cavity dust nonflame bleeder is provided, nonflame bleeder is improved
Working performance avoids generating secondary injury.
The technical solution adopted in the utility model is as follows：
A kind of multi-cavity dust nonflame bleeder, including bleeder ontology, be provided in the bleeder ontology into
Mouthful flange and outlet, the cross sectional shape of the bleeder ontology are sector, and the suction flange is provided with venting of dust explosion plate, it is described go out
Mouth is provided with flame retardant bed, and the suction flange is connected to the outlet by venting of dust explosion cavity, includes that master lets out in the venting of dust explosion cavity
Channel is put, one end of the main leakage path is connected to suction flange, and the main leakage path axial direction both sides are both provided with secondary let out
Channel is put, the secondary leakage path is connected to the main leakage path, and the main leakage path, secondary leakage path are and flame retardant bed
Fitting.
Further, if being provided with the dried layer expanding chamber interconnected in the secondary leakage path, the expanding chamber with
The main leakage path is connected to by side opening.
Further, it is provided with resistance fire material in the expansion chamber interior walls.
Further, bleeder ontology includes the shell being connected on suction flange, and the section of the shell is sector,
The camber line position of the shell is to export, and is provided with cover assembly in the outlet, one end of the shell it is main release it is logical
Eutergum is provided on road, the other end of the shell is provided with time backboard on secondary leakage path.
Further, the cover assembly includes the longitudinal carrier and horizontal support of several connections that cross one another.
In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that：
1, in the utility model, the both sides setting of the main leakage path of bleeder ontology be both provided with time release it is logical
The pressure in road, shock wave is more than after venting of dust explosion plate sets pressure, and shock wave is put into main leakage path by venting of dust explosion plate, main leakage path
A part in interior shock wave enters in time leakage path, changes the action direction of a part of shock wave, has disperseed punching
The energy of wave is hit, the area of shock wave Flame and unburned dust has also been disperseed, alleviates the operating pressure of flame retardant bed, i.e. phase
To improving the work upper limit of flame retardant bed, improve properties of product, avoid in dust explosion shock wave be more than the design upper limit and
Cause secondary injury.
2, in the utility model, be provided with multilayer expanding chamber in secondary leakage path, multilayer expanding chamber with main leakage path
Connection, after entering expanding chamber, speed of expansion is opposite to slow down shock wave, reduces the impact velocity of shock wave in expanding chamber, and
And the shape by the way that expanding chamber is arranged, shock wave can be made to form vortex in expanding chamber, further decrease impact Wave energy,
The area of shock wave Flame and unburned dust is disperseed.
3, in the utility model, expand and be provided with resistance fire material in chamber interior walls, shock wave expand indoor energy by into
One step reduces, while stopping flame and unburned dust, improves the working performance of the present apparatus.
4, in the utility model, the backboard of bleeder ontology includes the eutergum and time backboard being connected on shell, will
Eutergum, secondary backboard, which are provided separately, avoids main leakage path and both sides time leakage path from influencing each other respective performance of releasing.
5, in the utility model, cover assembly include several connections that intersect longitudinal carrier with laterally in holder,
Flame retardant bed is mainly supported, avoids flame retardant bed from flying out under the action of shock wave and causes secondary injury.
Description of the drawings
Fig. 1 is the front view of the utility model；
Fig. 2 is the left view of the utility model；
Fig. 3 is the schematic diagram of the secondary leakage path of the utility model；
Fig. 4 is the schematic diagram of the main leakage path of the utility model；
It is marked in figure：1- bleeder ontologies, 101- suction flanges, the outlets 102-, 104- main leakage paths are let out for 105- times
Put channel, 106- expanding chambers, 107- side openings, 108- shells, 109- cover assemblies, 1091- longitudinal carriers, 1092- horizontal supports,
2- venting of dust explosion plates, 3- flame retardant beds, 4- eutergums, 5- backboard.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
A kind of multi-cavity dust nonflame bleeder, including bleeder ontology 1 are provided with import in bleeder ontology 1
Flange 101 and outlet 102, the cross sectional shape of bleeder ontology 1 is sector, and suction flange 101 is provided with venting of dust explosion plate 2, is exported
Flame retardant bed 3 is provided at 102, suction flange 101 is connected to outlet 102 by venting of dust explosion cavity, and venting of dust explosion cavity is released logical including master
The one end in road 104, main leakage path 104 is connected to suction flange 101, and the axial both sides of main leakage path 104 are both provided with secondary let out
Put channel 105, secondary leakage path 105 is connected to main leakage path 104, main leakage path 104, secondary leakage path 105 with resistance
Fire bed 3 is bonded.
Further, if being provided with the dried layer expanding chamber 106 interconnected in secondary leakage path 105, expanding chamber 106 with
Main leakage path 104 is connected to by side opening 107.
Further, it is provided with resistance fire material on 106 inner wall of expanding chamber.
Further, bleeder ontology includes the shell 108 being connected on suction flange 101, and the section of shell 108 is
Sector, the camber line position of shell 108 are to export 102, are provided with cover assembly 109 in outlet 102, one end of shell 108 exists
Eutergum 4 is provided on main leakage path 104, the other end of shell 108 is provided with time backboard 5 on secondary leakage path 105.
Further, cover assembly 109 includes the longitudinal carrier 1091 and horizontal support of several connections that cross one another
1092。
In the utility model, when shock wave is more than the design pressure of venting of dust explosion plate 2, venting of dust explosion plate 2 is by shock wave from import method
Orchid 101 is discharged into main leakage path 104, certain a part of main leakage path 104 of shock wave therein is entered by side opening 107
In the secondary leakage path 105 of both sides, expanded in the multilayer expanding chamber 106 in secondary leakage path 105, in addition formed vortex and incite somebody to action
The energy of shock wave is reduced, and a part is absorbed by resistance fire material, then the flame in shock wave and not burned dust quilt
Flame retardant bed 3 stops, is not transferred to 109 outside of flame retardant bed 3 and cover assembly.
Embodiment 1
A kind of multi-cavity dust nonflame bleeder, including bleeder ontology 1 are provided with import in bleeder ontology 1
Flange 101 and outlet 102, the cross sectional shape of bleeder ontology 1 is sector, and suction flange 101 is provided with venting of dust explosion plate 2, is exported
Flame retardant bed 3 is provided at 102, suction flange 101 is connected to outlet 102 by venting of dust explosion cavity, and venting of dust explosion cavity is released logical including master
The one end in road 104, main leakage path 104 is connected to suction flange 101, and the axial both sides of main leakage path 104 are both provided with secondary let out
Put channel 105, secondary leakage path 105 is connected to main leakage path 104, main leakage path 104, secondary leakage path 105 with resistance
Fire bed 3 is bonded.
In the present embodiment, time leakage path is both provided in the both sides setting of the main leakage path 104 of bleeder ontology 1
105, the pressure of shock wave is more than after venting of dust explosion plate 2 sets pressure, and shock wave is put into main leakage path 104 by venting of dust explosion plate, and master lets out
It puts the part in the shock wave in channel 104 to enter in time leakage path 105, changes the effect side of a part of shock wave
To having disperseed the energy of shock wave, also disperseed the area of shock wave Flame and unburned dust, alleviated flame retardant bed 3
Operating pressure, i.e., the opposite work upper limit for improving flame retardant bed 3, improves properties of product, avoids the shock wave in dust explosion
Secondary injury is caused more than the design upper limit.
Embodiment 2
It is swollen if being provided with the dried layer expanding chamber 106 interconnected in secondary leakage path 105 on the basis of embodiment one
Swollen room 106 is connected to main leakage path 104 by side opening 107.
In the present embodiment, multilayer expanding chamber 106 is provided in secondary leakage path 105, multilayer expanding chamber 106 is released with master
Channel 104 is connected to, and after entering expanding chamber 106, speed of expansion is opposite to slow down shock wave, reduces shock wave in expanding chamber 106
Impact velocity, and the shape by the way that expanding chamber 106 is arranged can make shock wave form vortex in the expanding chamber 106, into one
Step reduces impact Wave energy, has disperseed the area of shock wave Flame and unburned dust.
Embodiment 3
On the basis of embodiment two, resistance fire material is provided on 106 inner wall of expanding chamber.
In the present embodiment, it is provided with resistance fire material on 106 inner wall of expanding chamber, shock wave is expanding indoor energy by into one
Step reduces, while stopping flame and unburned dust, improves the working performance of the present apparatus.
Embodiment 4
On the basis of embodiment one, bleeder ontology includes the shell 108 being connected on suction flange 101, shell
108 section is sector, and the camber line position of shell 108 is to export 102, and cover assembly 109, shell are provided in outlet 102
108 one end is provided with eutergum 4 on main leakage path 104, and the other end of shell 108 is arranged on secondary leakage path 105
There is secondary backboard 5.
In the present embodiment, the backboard of bleeder ontology 1 includes the eutergum 4 and time backboard 5 being connected on shell 108,
Eutergum 4, secondary backboard 5 are provided separately, main leakage path 104 and both sides time leakage path 105 is avoided to influence each other respective let out
Put performance.
Embodiment 5
On the basis of example IV, the longitudinal carrier 1091 of cover assembly 109 including several connections that intersect with
Horizontal support 1092 mainly supports flame retardant bed 3, avoids flame retardant bed 3 from flying out under the action of shock wave and cause secondary injury.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (5)
1. a kind of multi-cavity dust nonflame bleeder, including bleeder ontology (1), the interior setting of the bleeder ontology (1)
There are suction flange (101) and outlet (102), the cross sectional shape of the bleeder ontology (1) is sector, the suction flange
(101) be provided with venting of dust explosion plate (2), be provided with flame retardant bed (3) at the outlet (102), the suction flange (101) with it is described go out
Mouth (102) is connected to by venting of dust explosion cavity, it is characterised in that：The venting of dust explosion cavity includes main leakage path (104), and the master releases
The one end in channel (104) is connected to suction flange (101), and the axial both sides of main leakage path (104) are both provided with secondary release
Channel (105), the secondary leakage path (105) are connected to the main leakage path (104), the main leakage path (104), secondary
Leakage path (105) is bonded with flame retardant bed (3).
2. a kind of multi-cavity dust nonflame bleeder according to claim 1, it is characterised in that：The secondary leakage path
(105) if in be provided with the dried layer expanding chamber (106) interconnected, the expanding chamber (106) with the main leakage path
(104) it is connected to by side opening (107).
3. a kind of multi-cavity dust nonflame bleeder according to claim 2, it is characterised in that：The expanding chamber (106)
Resistance fire material is provided on inner wall.
4. a kind of multi-cavity dust nonflame bleeder according to claim 1, it is characterised in that：Bleeder ontology includes
The section of the shell (108) being connected on suction flange (101), the shell (108) is sector, the arc of the shell (108)
Line position is to export (102), is provided with cover assembly (109) on the outlet (102), one end of the shell (108) exists
Eutergum (4) is provided on main leakage path (104), the other end of the shell (108) is arranged on secondary leakage path (105)
There is secondary backboard (5).
5. a kind of multi-cavity dust nonflame bleeder according to claim 4, it is characterised in that：The cover assembly
(109) include several connections that cross one another longitudinal carrier (1091) and horizontal support (1092).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721821312.4U CN207715845U (en) | 2017-12-23 | 2017-12-23 | A kind of multi-cavity dust nonflame bleeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721821312.4U CN207715845U (en) | 2017-12-23 | 2017-12-23 | A kind of multi-cavity dust nonflame bleeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715845U true CN207715845U (en) | 2018-08-10 |
Family
ID=63057349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721821312.4U Expired - Fee Related CN207715845U (en) | 2017-12-23 | 2017-12-23 | A kind of multi-cavity dust nonflame bleeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207715845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876335A (en) * | 2019-03-29 | 2019-06-14 | 大连理工安全装备有限公司 | A kind of novel formula height that monitors is released the rectangular nonflame bleeder of efficiency |
| CN113101759A (en) * | 2021-04-07 | 2021-07-13 | 龙岩市辉丰工贸有限公司 | Explosion-proof device for industrial dust removal |
-
2017
- 2017-12-23 CN CN201721821312.4U patent/CN207715845U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876335A (en) * | 2019-03-29 | 2019-06-14 | 大连理工安全装备有限公司 | A kind of novel formula height that monitors is released the rectangular nonflame bleeder of efficiency |
| CN113101759A (en) * | 2021-04-07 | 2021-07-13 | 龙岩市辉丰工贸有限公司 | Explosion-proof device for industrial dust removal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20211223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |