CN206499993U - A kind of airflow distribution device of electrostatic fabric filter - Google Patents
A kind of airflow distribution device of electrostatic fabric filter Download PDFInfo
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- CN206499993U CN206499993U CN201720118131.9U CN201720118131U CN206499993U CN 206499993 U CN206499993 U CN 206499993U CN 201720118131 U CN201720118131 U CN 201720118131U CN 206499993 U CN206499993 U CN 206499993U
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Abstract
The utility model is related to a kind of airflow distribution device of electrostatic fabric filter, including housing, first distribution grid, second distribution grid, 3rd distribution grid, first distribution grid, second distribution grid, 3rd distribution grid is arranged in the housing of reducer pipe successively from outside to inside, plate and plate above housing are in 90 ° above first distribution grid and the second distribution grid, plate and plate below housing are in 90 ° below first distribution grid and the second distribution grid, being shaped as 3rd distribution grid is spherical, described first, two, the percent opening in three distribution grid overdraught holes is respectively 40%, 60%, 80%, described first, two, three distribution grid overdraught hole shapes are respectively pentalpha, corner star, triangle star.This kind of device makes the uniform diffusion profile of air-flow by adjusting flow velocity of the inlet air flow in reducer pipe, improves purification efficiency, reduces equipment failure rate.
Description
Technical field
The utility model is related to dedusting technology field, more particularly to a kind of airflow distribution device of electrostatic fabric filter.
Background technology
The flue dust that the enterprises such as current steel, cement, chemical industry, electric power are discharged, it is purified and recycle is most commonly used
Equipment is electrostatic fabric filter.General high speed ash-laden gas is introduced into electrostatic fabric filter by flue, is all by the different bores in two ends
Reducer pipe be transitioned into operating room, due to the ratio between reducer pipe two ends aperture area be 5-9 times, pipe range only has 3m, subtended angle and is up to
60-70 °, do not taken the necessary measures in reducer pipe such as, will result in that air flow method is uneven, make the net of electric-bag complex dust collector
Change efficiency to decline.
To avoid air flow method is uneven from all installing airflow-distribution board, the structure type of airflow-distribution board in reducer pipe
Based on porous type, panel formula, vertical plates, sawtooth pattern, X-type plate and vertical folded plate type.Wherein porous plate uniformly mainly should
For the air inlet reducer pipe of air feeding in center, airflow-distribution board is typically out several size identical airflow holes, this air-flow point
Fabric swatch is simple in construction, and production and processing is easy.But in actual use, the particularly field of central inlet pipeline very irregular
Close, the effect flowed is very bad, cause electric precipitation area local anode and cathode occur and do not gather dust, bag-type dust area is because of local velocity
Breakage rate that is too fast and causing filter bag is high.
The uniform airflow distribution device of air flow method can be made by how designing one kind, as asking that we currently to be solved
Topic.
Utility model content
The purpose of this utility model is to provide a kind of efficient joint body deduster, and it can effectively solve the problem that in background technology
The problem of existing.
To achieve the above object, the utility model provides following technical scheme：A kind of air flow method dress of electrostatic fabric filter
Put, including housing, the first distribution grid, the second distribution grid, the 3rd distribution grid, first distribution grid, the second distribution grid, the 3rd point
Fabric swatch is arranged in the housing of reducer pipe successively from outside to inside, plate and housing above first distribution grid and the second distribution grid
Above plate it is in 90 °, plate and plate below housing are in 90 ° below first distribution grid and the second distribution grid, the described 3rd
Being shaped as distribution grid is spherical, and the percent opening in the first distribution grid overdraught hole is 40%, the second distribution grid overdraught hole
Percent opening be 60%, the percent opening in the 3rd distribution grid distribution grid overdraught hole is 80%, the first distribution grid overdraught
Hole shape is pentalpha, and the second distribution grid overdraught hole is corner star, the 3rd distribution grid distribution grid overdraught
Hole is triangle star, and the airflow hole of first distribution grid and the airflow hole of the second distribution grid are to be interspersed, described second point
The airflow hole of the airflow hole of fabric swatch and the 3rd distribution grid is to be interspersed, first distribution grid, the second distribution grid, the 3rd distribution
The material of plate is the duplex stainless steel 2205 for being sprayed with wear-resistant coating.
Further, the aperture size maximum in the first distribution grid overdraught hole, the aperture in the second distribution grid overdraught hole
Size secondly, the aperture size in the 3rd distribution grid overdraught hole it is minimum.
Further, first distribution grid is provided with wind guide tank at the airflow hole in wind face.
Further, second distribution grid is provided with wind guide tank at the airflow hole in wind face.
Further, the 3rd distribution grid is provided with wind guide tank at the airflow hole in wind face.
Further, the wind guide tank and the first distribution grid of first distribution grid are into vertical stratification.
Further, the wind guide tank and the second distribution grid of second distribution grid are into vertical stratification.
Compared with prior art, the beneficial effects of the utility model are：The airflow distribution device of this kind of electrostatic fabric filter, leads to
Flow velocity of the adjustment inlet air flow in reducer pipe is crossed, makes the uniform diffusion profile of air-flow, purification efficiency is improved, equipment failure rate is reduced.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is one of partial structural diagram of the present utility model；
Fig. 3 is the two of partial structural diagram of the present utility model；
Fig. 4 is the three of partial structural diagram of the present utility model；
1- housings in reference；The distribution grids of 2- first；The guiding gutter of the distribution grids of 21- first；22- pentalpha air-flows
Hole；The distribution grids of 3- second；The guiding gutter of the distribution grids of 31- second；Tetra- jiaos of star airflow holes of 32-；The distribution grids of 4- the 3rd；41- the 3rd
The guiding gutter of distribution grid；42- triangle star airflow holes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-4 are referred to, the utility model provides a kind of technical scheme：A kind of airflow distribution device of electrostatic fabric filter,
Including housing 1, the first distribution grid 2, the second distribution grid 3, the 3rd distribution grid 4, first distribution grid 2, the second distribution grid 3,
Three distribution grids 4 are arranged in the housing 1 of reducer pipe successively from outside to inside, above the distribution grid 3 of the first distribution grid 2 and second
Plate and plate above housing 1 are in 90 °, below the distribution grid 3 of the first distribution grid 2 and second below plate and housing 1 plate into
90 °, being shaped as the 3rd distribution grid 4 is spherical, and the percent opening in the overdraught hole 22 of the first distribution grid 2 is 40%, and described the
The percent opening in the overdraught hole 32 of two distribution grid 3 is 60%, and the percent opening in the distribution grid overdraught hole 42 of the 3rd distribution grid 4 is
80%, the overdraught hole 22 of the first distribution grid 2 is shaped as pentalpha, and the overdraught hole 32 of the second distribution grid 3 is corner star
Shape, the distribution grid overdraught hole 42 of the 3rd distribution grid 4 is triangle star, the airflow hole 22 and second of first distribution grid 2
The airflow hole 32 of distribution grid 3 is to be interspersed, the airflow hole 42 of the distribution grid 4 of airflow hole 32 and the 3rd of second distribution grid 3
It is to be interspersed, first distribution grid 2, the second distribution grid 3, the material of the 3rd distribution grid 4 are the two-phase for being sprayed with wear-resistant coating
Stainless steel 2205.
Further, the aperture size maximum in the overdraught hole 22 of the first distribution grid 2, the overdraught hole 32 of the second distribution grid 3
Aperture size secondly, the aperture size in the overdraught hole 42 of the 3rd distribution grid 4 it is minimum.
Further, first distribution grid 2 is provided with wind guide tank 21 at the airflow hole 22 in wind face, and guiding ash-laden gas is uniform
Distribution.
Further, second distribution grid 3 is provided with wind guide tank 31 at the airflow hole 32 in wind face, and guiding ash-laden gas is uniform
Distribution.
Further, the 3rd distribution grid 4 is provided with wind guide tank 41 at the airflow hole 42 in wind face, and guiding ash-laden gas is uniform
Distribution.
Further, the distribution grid 2 of wind guide tank 21 and first of first distribution grid 2 is into vertical stratification.
Further, the distribution grid 3 of wind guide tank 21 and second of second distribution grid 3 is into vertical stratification.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of airflow distribution device of electrostatic fabric filter, including housing（1）, the first distribution grid（2）, the second distribution grid（3）,
Three distribution grids（4）, it is characterised in that：First distribution grid（2）, the second distribution grid（3）, the 3rd distribution grid（4）From outside to inside
Successively in the housing of reducer pipe（1）Interior arrangement, first distribution grid（2）With the second distribution grid（3）Above plate and housing（1）
Above plate it is in 90 °, first distribution grid（2）With the second distribution grid（3）Below plate and housing（1）Below plate it is in 90 °,
3rd distribution grid（4）Be shaped as spherical, first distribution grid（2）Overdraught hole（22）Percent opening be 40%, it is described
Second distribution grid（3）Overdraught hole（32）Percent opening be 60%, the 3rd distribution grid（4）Overdraught hole（42）Percent opening
For 80%, first distribution grid（2）Overdraught hole（22）It is shaped as pentalpha, second distribution grid（3）Overdraught hole
（32）For corner star, the 3rd distribution grid（4）Overdraught hole（42）For triangle star, first distribution grid（2）Gas
Discharge orifice（22）With the second distribution grid（3）Airflow hole（32）It is to be interspersed, second distribution grid（3）Airflow hole（32）With
3rd distribution grid（4）Airflow hole（42）It is to be interspersed, first distribution grid（2）, the second distribution grid（3）, the 3rd distribution
Plate（4）Material be the duplex stainless steel 2205 for being sprayed with wear-resistant coating.
2. a kind of airflow distribution device of electrostatic fabric filter according to claim 1, it is characterised in that：First distribution
Plate（2）Overdraught hole（22）Aperture size is maximum, the second distribution grid（3）Overdraught hole（32）Aperture size secondly, the 3rd
Distribution grid（4）Overdraught hole（42）Aperture size it is minimum.
3. a kind of airflow distribution device of electrostatic fabric filter according to claim 1, it is characterised in that：First distribution
Plate（2）By the airflow hole in wind face（22）Place is provided with wind guide tank（21）, guide ash-laden gas to be uniformly distributed.
4. a kind of airflow distribution device of electrostatic fabric filter according to claim 1, it is characterised in that：Second distribution
Plate（3）By the airflow hole in wind face（32）Place is provided with wind guide tank（31）, guide ash-laden gas to be uniformly distributed.
5. a kind of airflow distribution device of electrostatic fabric filter according to claim 1, it is characterised in that：3rd distribution
Plate（4）By the airflow hole in wind face（42）Place is provided with wind guide tank（41）, guide ash-laden gas to be uniformly distributed.
6. a kind of airflow distribution device of electrostatic fabric filter according to claim 1, it is characterised in that：First distribution
Plate（2）Wind guide tank（21）With the first distribution grid（2）Into vertical stratification.
7. a kind of airflow distribution device of electrostatic fabric filter according to claim 1, it is characterised in that：Second distribution
Plate（3）Wind guide tank（21）With the second distribution grid（3）Into vertical stratification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720118131.9U CN206499993U (en) | 2017-02-09 | 2017-02-09 | A kind of airflow distribution device of electrostatic fabric filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720118131.9U CN206499993U (en) | 2017-02-09 | 2017-02-09 | A kind of airflow distribution device of electrostatic fabric filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206499993U true CN206499993U (en) | 2017-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720118131.9U Active CN206499993U (en) | 2017-02-09 | 2017-02-09 | A kind of airflow distribution device of electrostatic fabric filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042046A (en) * | 2017-02-09 | 2017-08-15 | 河北宏达环境工程有限公司 | A kind of airflow distribution device of electrostatic fabric filter |
-
2017
- 2017-02-09 CN CN201720118131.9U patent/CN206499993U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042046A (en) * | 2017-02-09 | 2017-08-15 | 河北宏达环境工程有限公司 | A kind of airflow distribution device of electrostatic fabric filter |
| CN107042046B (en) * | 2017-02-09 | 2024-04-05 | 河北宏达环境工程有限公司 | Air flow distribution device of electric bag dust collector |
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