CN206676121U - A kind of porous injection Venturi tube - Google Patents
A kind of porous injection Venturi tube Download PDFInfo
- Publication number
- CN206676121U CN206676121U CN201720417725.XU CN201720417725U CN206676121U CN 206676121 U CN206676121 U CN 206676121U CN 201720417725 U CN201720417725 U CN 201720417725U CN 206676121 U CN206676121 U CN 206676121U
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- CN
- China
- Prior art keywords
- plate
- cover plate
- engaging cover
- air
- venturi tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
It the utility model is related to a kind of porous injection Venturi tube, belong to environmental protection equipment technical field, including engaging cover plate, ventilating opening is offered on the engaging cover plate, multiple vertical bars are fixedly connected with below the engaging cover plate, the vertical bar is parallel to each other, it is and circumferentially distributed along ventilating opening edge, one end away from engaging cover plate in the vertical bar is fixedly installed bottom plate, the ventilating opening is internally provided with drainage plate, air-permeating hole is offered on the drainage plate, the drainage plate is internally located at ventilative bore edges and is provided with arc blinker, the arc blinker bearing of trend points to bottom plate along engaging cover plate.Air-permeating hole is designed in deduster reverse gas cleaning in the technical scheme, for blowback air stream passes through drainage plate, the problem of avoiding existing non-porous class Venturi tube cleaning efficiency difference, improves cleaning efficiency.
Description
Technical field
A kind of porous injection Venturi tube is the utility model is related to, belongs to environmental protection equipment technical field.
Background technology
Sack cleaner is a kind of dry type dust filtration device.It is applied to trap tiny, dry, non-fiber dust.Filter bag
Using weaving filter cloth or nonwoven felt into, dusty gas is filtered using the filtration of fabric, when containing
After dust and gas body enters sack cleaner, particle is big, heavy dust, because the effect of gravity settles down, falls into ash bucket, contains
There is the gas of relatively fine dust when passing through filtrate, dust is purified gas by detention.
After such deduster uses a period of time, one layer of dust has been gathered on filter bag surface, and this layer of dust is referred to as bonding layer, herein
In later motion process, bonding layer is into the main filtration layer of filtrate, and by the effect of bonding layer, the larger filtrate of mesh can also obtain
Obtain higher filter efficiency.As dust all accordingly increases in the accumulation of filter material surface, the efficiency and resistance of deduster, work as filter
When expecting that the pressure differential of both sides is very big, the tiny grit that some can be attached on filtrate extrudes the past, makes under dust collector efficiency
Drop.In addition, the too high air quantity that can make dust pelletizing system of the resistance of deduster is remarkably decreased.Therefore, the resistance of deduster reaches certain
After numerical value, timely deashing.
The purge mode of existing sack cleaner mainly uses blowback mode, passes through the high pressure inverted draft as deashing
It is sent into the filter bag of deduster, now the rapid bulging of filter bag, and produces strong shake, causes the dust on the outside of filter bag to be shaken off, from
And reach the purpose of deashing.Filter bag is blown brokenly when being opened in order to avoid blowback air-flow, in the prior art by being stretched in filter bag frame
The Venturi tube for entering certain length is drained, but the filter bag region outside the filter bag frame at the Venturi tube back side is then by Venturi tube
Block, effective deashing can not be carried out in air-flow blowback, cleaning efficiency is poor.
The content of the invention
To solve problems of the prior art, the utility model provides a kind of porous injection Venturi tube, specific skill
Art scheme is as follows：
A kind of porous injection Venturi tube, including engage cover plate, offer ventilating opening, the snap-on caps on the engaging cover plate
It is fixedly connected with multiple vertical bars below plate, the vertical bar is parallel to each other and circumferentially distributed along ventilating opening edge, described vertical
One end away from engaging cover plate on bar is fixedly installed bottom plate, and the ventilating opening is internally provided with drainage plate, on the drainage plate
Air-permeating hole is offered, the drainage plate is internally located at ventilative bore edges and is provided with arc blinker, the arc blinker extension
Bottom plate is pointed to along engaging cover plate in direction.
As the improvement of above-mentioned technical proposal, " L " shape connector is connected between the engaging cover plate and drainage plate.
As the improvement of above-mentioned technical proposal, ring stiffener is fixedly connected between the vertical bar, the vertical bar,
Ring stiffener and bottom plate enclose to form Filter-bag carcass.
As the improvement of above-mentioned technical proposal, the air-permeating hole of the drainage plate and the vertical bar of Filter-bag carcass and annular are strengthened
Muscle is in and shifts to install state.
As the improvement of above-mentioned technical proposal, through hole, the bottom are offered close to the side of engaging cover plate on the bottom plate
Intralamellar part accommodates air bag, offers the bottom stretched out after being deformed for airbag aeration on the engaging cover plate away from the side of through hole
It is open, the side on the air bag close to through hole is provided with air bag air inlet, and the air bag both sides are fixedly connected by fix bar
Onto bottom plate madial wall.
As the improvement of above-mentioned technical proposal, sealing is fixedly installed between the air bag air inlet edge and plate inner wall
Set.
Above-mentioned technical proposal can reach the advantages of following three aspects：
（1）Being designed in deduster reverse gas cleaning for air-permeating hole, passes through drainage plate for blowback air stream, avoids existing
Non-porous class Venturi tube cleaning efficiency difference the problem of, improve cleaning efficiency；
（2）Blowback air-flow can be guided simultaneously directive bottom plate by arc blinker using extending design is tilted from engaging cover plate,
Air-flow is avoided directly through being directly impinging after the air-permeating hole on drainage plate on filter bag；
（3）There is gap in drainage plate, with engaging the Filter-bag carcass below cover plate when deduster, which is opened, to be filtered, with drainage plate
Filter bag corresponding to set location, which will not directly shrink, to be fitted on drainage plate, therefore the design of drainage plate will not reduce the mistake of filter bag
Efficiency is filtered, beneficial effect is notable.
Brief description of the drawings
Fig. 1 is a kind of structural representation of porous injection Venturi tube of the utility model；
Fig. 2 is the structural representation of drainage plate in the utility model；
Fig. 3 is the structural representation of the utility model bottom plate.
Embodiment
As shown in Figure 1 and Figure 2, the utility model provides a kind of porous injection Venturi tube, including engaging cover plate 10, engaging
Offering ventilating opening 11 on cover plate 10, the lower section of engaging cover plate 10 is fixedly connected with multiple vertical bars 30, vertical bar 30 is parallel to each other,
And it is circumferentially distributed along the edge of ventilating opening 11, one end away from engaging cover plate 10 in vertical bar 30 is fixedly installed bottom plate 40, divulges information
Mouth 11 is internally provided with drainage plate 20, engages and " L " shape connector 23 is connected between cover plate 10 and drainage plate 20, on drainage plate 20
Air-permeating hole 21 is offered, the position that drainage plate 20 is internally located at the edge of air-permeating hole 21 is provided with arc blinker 22, and arc keeps out the wind
The bearing of trend of piece 22 points to bottom plate 40 along engaging cover plate 10, and ring stiffener 31, vertical bar are fixedly connected between vertical bar 30
30th, ring stiffener 31 and bottom plate 40 are enclosed to form Filter-bag carcass, and dedusting filtering bag is enclosed on Filter-bag carcass during use, by filter bag bone
Frame is fixed with deduster, carrying out dust removal operation.
Multiple air-permeating holes 21 are uniformly offered in such scheme, on drainage plate 20, can be supplied in deduster reverse gas cleaning
Blowback air stream passes through drainage plate 20, it becomes possible to pair with the outside of the Filter-bag carcass of the position correspondence of drainage plate 20 filter bag carry out blowback
Operation, improve cleaning efficiency, the problem of avoiding existing non-porous class Venturi tube cleaning efficiency difference.
Meanwhile in order to avoid air-flow after the air-permeating hole 21 on drainage plate 20 directly through being directly impinging on filter bag, cause
The danger that filter bag breaks through, arc blinker 22 can be set at the edge of air-permeating hole 21, be extended by the inclination of arc blinker 22
Design, blowback air-flow is guided to bottom plate 40 from engaging cover plate 10.
In such scheme, connector 23 is designed using " L " shape, and the both sides of the edge of connector 23, which are respectively fixedly connected with, to be drained
Gap be present in the inner surface of plate 20 and engaging cover plate 10 upper surface, drainage plate 20 and the Filter-bag carcass engaged below cover plate 10, when except
When dirt device opens filtering, filter bag corresponding with the set location of drainage plate 20, which will not directly shrink, to be fitted on drainage plate 20, therefore
The design of drainage plate 20 will not reduce the filter efficiency of filter bag.
Further, the air-permeating hole 21 of drainage plate 20 is in dislocation with the vertical bar 30 of Filter-bag carcass and ring stiffener 31
Setting state, the purpose of preferred scheme design is the ventilation for avoiding Filter-bag carcass from interfering with air-permeating hole 21.
As shown in figure 3, the utility model also improves to some extent to the bottom plate 40 of Filter-bag carcass, in the prior art, bottom plate 40 or
Person uses closed back-plane design, or is designed using the skeleton structure of similar vertical bar 30, and both are meeting to filter bag bottom
Support effect while, using closed bottom plate can obstruct air-flow by, be unfavorable for filter bag bottom deashing and filtering grasp；And
Using the design of skeleton structure, pass through although stream can be supplied, when air-flow reverse gas cleaning operates, blowback air fluid capacitance easily rushes
Broken filter bag bottom, reduce life of bag filter, therefore, the program targetedly provide one kind can air feed stream by, meanwhile,
Also can be in reverse gas cleaning, the structure of bottom plate 40 protected to a certain degree to filter bag bottom, concrete structure is as follows：In bottom plate
Through hole 41 is opened up close to the side of engaging cover plate 10 on 40, the inner containment of bottom plate 40 is provided with air bag 50, engages and is carried on the back on cover plate 10
From through hole 41 side offer deformed for airbag aeration after the bottom opening 44 that stretches out, close to the side of through hole 41 on air bag 50
Air bag air inlet 51 is provided with, the both sides of air bag 50 are fixedly attached on the madial wall of bottom plate 40 by fix bar 43.
In above-mentioned technical proposal, in reverse gas cleaning, air-flow is entered by the air bag air inlet 51 of air bag 50, then as
Air-flow is constantly filled with, and air bag 50 starts to expand, and with the dilatancy of rear gasbag 50 and stretches out bottom opening 44, and touch filter bag
Bottom, with the batch (-type) blowback of air bag 50, filter bag bottom is constantly flopped, and forces filter bag bottom constantly vibrations and deashing.
During in order to improve reverse gas cleaning, the entrance efficiency for the air bag air inlet 51 that air-flow passes through air bag 50 can be in air bag
Sealing shroud 42 is fixedly installed between the edge of air inlet 51 and the inwall of bottom plate 40, i.e. air-flow is directly entered by the guiding of sealing shroud 42
Enter into air bag 50, improve the cleaning efficiency of filter bag bottom.
Embodiment of the present utility model is described in detail above, but the content is only of the present utility model preferable
Embodiment, it is impossible to be considered as being used to limit practical range of the present utility model, all impartial changes made according to the scope of the utility model
Change and improvement etc., all should still be belonged within the utility model covering scope.
Claims (6)
- A kind of 1. porous injection Venturi tube, it is characterised in that including engaging cover plate, ventilating opening is offered on the engaging cover plate, Multiple vertical bars are fixedly connected with below the engaging cover plate, the vertical bar is parallel to each other and circumferentially divided along ventilating opening edge Cloth, one end away from engaging cover plate in the vertical bar are fixedly installed bottom plate, and the ventilating opening is internally provided with drainage plate, institute State and air-permeating hole is offered on drainage plate, the drainage plate is internally located at ventilative bore edges and is provided with arc blinker, the arc Blinker bearing of trend points to bottom plate along engaging cover plate.
- 2. a kind of porous injection Venturi tube as claimed in claim 1, it is characterised in that between the engaging cover plate and drainage plate It is connected with " L " shape connector.
- 3. a kind of porous injection Venturi tube as claimed in claim 2, it is characterised in that be fixedly connected between the vertical bar Ring stiffener, the vertical bar, ring stiffener and bottom plate enclose to form Filter-bag carcass.
- 4. a kind of porous injection Venturi tube as claimed in claim 3, it is characterised in that the air-permeating hole and filter bag of the drainage plate The vertical bar and ring stiffener of skeleton are in and shift to install state.
- 5. a kind of porous injection Venturi tube as claimed in claim 4, it is characterised in that close to engaging cover plate on the bottom plate Side offers through hole, and the base plate interior accommodates air bag, and the side that through hole is deviated from the engaging cover plate offers supply The bottom opening that stretches out after capsule inflation deformation, the side of through hole is provided with air bag air inlet, the air bag on the air bag Both sides are fixedly attached on bottom plate madial wall by fix bar.
- 6. a kind of porous injection Venturi tube as claimed in claim 5, it is characterised in that the air bag air inlet edge and bottom plate Sealing shroud is fixedly installed between inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720417725.XU CN206676121U (en) | 2017-04-20 | 2017-04-20 | A kind of porous injection Venturi tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720417725.XU CN206676121U (en) | 2017-04-20 | 2017-04-20 | A kind of porous injection Venturi tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206676121U true CN206676121U (en) | 2017-11-28 |
Family
ID=60403020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720417725.XU Expired - Fee Related CN206676121U (en) | 2017-04-20 | 2017-04-20 | A kind of porous injection Venturi tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206676121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663429A (en) * | 2021-08-31 | 2021-11-19 | 安徽蔚能环保科技有限公司 | Dust removal filter bag convenient to deashing |
-
2017
- 2017-04-20 CN CN201720417725.XU patent/CN206676121U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663429A (en) * | 2021-08-31 | 2021-11-19 | 安徽蔚能环保科技有限公司 | Dust removal filter bag convenient to deashing |
| CN113663429B (en) * | 2021-08-31 | 2022-07-01 | 安徽蔚能环保科技有限公司 | Dust removal filter bag convenient to deashing |
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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: 20171128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |