CN203874604U - Air flow distribution device of lower air intake type dust collector - Google Patents
Air flow distribution device of lower air intake type dust collector Download PDFInfo
- Publication number
- CN203874604U CN203874604U CN201420152593.9U CN201420152593U CN203874604U CN 203874604 U CN203874604 U CN 203874604U CN 201420152593 U CN201420152593 U CN 201420152593U CN 203874604 U CN203874604 U CN 203874604U
- Authority
- CN
- China
- Prior art keywords
- distribution device
- air
- air inlet
- deflector
- dust collector
- Prior art date
- 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 - Lifetime
Links
- 238000009826 distribution Methods 0.000 title claims abstract description 17
- 239000000428 dust Substances 0.000 title abstract description 11
- 239000007789 gas Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The utility model discloses an air flow distribution device of a lower air intake type dust collector. The air flow distribution device of the lower air intake type dust collector comprises a box body and an ash bucket connected under the box body, wherein an air inlet is formed in the lower end of the box body; the air flow distribution device of the lower air intake type dust collector is characterized in that a perforated plate is arranged in the box body, guide plates which are parallel are arranged on the perforated plate, the length of the guide plate is in direct proportion to the distance from each guide plate to the air inlet, the position of the lower end of the longest guide plate is not lower than the lowest position of the air inlet, and the position of the lower end of the shortest guide plate is not higher than the highest position of the air inlet. According to the air flow distribution device, the flowing direction of air entering the dust collector is changed due to the distribution of the guide plates with the different lengths, each guide plate can intercept the air with the same flow amount sequentially, so that the treatment flow amounts of regions between each two guide plates is the same, eddy current and strong turbulence caused by the change of the airflow directions is reduced, airflows with changed directions are distributed uniformly by the perforated plate, and the dust collecting efficiency is improved.
Description
Technical field
The utility model relates to a kind of airflow distribution device of lower wind inlet type deduster, in cleaner technical field.
Technical background
The flue dust of the industry discharges such as cement, iron and steel, coal, heating power has caused the day by day serious present situation of China's atmosphere pollution to a great extent.Therefore, country has put into effect relevant pressure provision, limits these contaminating enterprises' smoke emissioning concentrations.Deduster is widely used as the device of effective minimizing smoke emissioning concentration, and wherein, lower wind inlet type deduster is widely used a kind of deduster.
Practical experience shows, the efficiency of dust collection that deduster internal gas flow tissue turbulence causes is lowly that current deduster is applied a great problem running in process.The effective means that deduster internal gas flow is evenly distributed be to improve efficiency of dust collection and promotes deduster application by rational device is installed.
Prior art is compared, and the beneficial effects of the utility model are:
1, the utility model makes to enter deduster gas flow direction by arranging of different length deflector and changes, every deflector intercepts the gas coming through of same traffic successively, make between two deflectors regional processing flow identical, reduce because of airflow direction the suddenly change eddy current and the strong turbulent phenomenon that cause; By porous plate, the air-flow after direction changes is evenly distributed, improves efficiency of dust collection.
2, by the numerical simulation of air current composition, the utility model plays facilitation to airflow uniform distribution in deduster, and the electric precipitation district relative root mean square of cross section air-flow velocity is 0.15, reaches the standard of air-flow uniformity coefficient " well " in specification.In filter bag dedusting area, the deviation that can reach single filter bag processing flow and average treatment flow is no more than 3%.
3, device is simple, and the production technology of deflector and porous plate and mounting means are all ripe.
Summary of the invention
The purpose of this utility model is for the inhomogeneous problem of air-flow in existing lower wind inlet type deduster, provide a kind of lower flue gas in deduster, change stably flow direction and be uniformly distributed, thereby improve the air intake deduster airflow distribution device of the efficiency of dust collection of equipment.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of lower wind inlet type deduster airflow distribution device, comprise casing and the ash bucket that is connected to casing below, lower end at described casing arranges air inlet, it is characterized in that: in described casing, be provided with a porous plate, on this porous plate, be provided with the deflector that is parallel to each other and arranges, the length of described deflector is directly proportional apart from the distance of air inlet to this deflector, the lower end position of long deflector is not less than the extreme lower position of described air inlet, and the lower end position of short deflector is not higher than the extreme higher position of described air inlet.
The spacing of adjacent two deflectors is identical, and the lower end of all deflectors is positioned on same oblique line.
Described porous plate thickness is 2～3mm, and percent opening is 45%～65%.
The hole shape of described porous plate is circular, square or triangle.
Described casing comprises upper box and middle casing, and described air inlet and porous plate are arranged on described middle casing, connects described ash bucket below middle casing.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model lower wind inlet type deduster airflow distribution device.
Fig. 2 is the utility model porous plate organigram (taking circular opening as example).
In figure: 1, upper box, 2, middle casing, 3, blast pipe, 4, ash bucket, 5, porous plate, 6, deflector, 7, porous plate plate body, 8, porous plate hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is elaborated
As shown in Figure 1, the utility model lower wind inlet type deduster airflow distribution device, this device is combined by dust collector box body (can be made up of upper box 1, middle casing 2), ash bucket 4, the blast pipe 3 that is connected to air inlet, deflector 6 and porous plate 5.Air-flow enters the middle casing 2 being connected with it by blast pipe 3, first by being arranged on the deflector 6 of middle box house, make air current flow direction become vertical direction from horizontal direction, air-flow contacts with the porous plate 5 that is arranged on deflector top after changing direction, and air-flow is evenly distributed.
Deflector 6 is from a BOB(beginning of block) nearest with blast pipe 3, length increases successively, and the position of a longest deflector lower end is no more than the height of blast pipe extreme lower position, evenly distributed between deflector 6, each piece stream plate acts on a part of air-flow, reduces eddy current and the strong turbulent phenomenon of air-flow.
In the quantity basis of deflector 6, the length of casing 2 is determined.Middle casing 2 length are longer, and deflector 6 quantity are more, otherwise deflector 6 quantity are fewer.
Porous plate 5 thickness are 2～3mm, percent opening is 45%～65%, the shape of porous plate hole can be circular, square or other forms of hole, after air-flow contacts with porous plate 5, from the hole of porous plate, flow out, air-flow is uniformly distributed, significantly better than there is no guiding device and the deduster of mounting guiding board only.
Claims (5)
1. a lower wind inlet type deduster airflow distribution device, comprise casing and the ash bucket that is connected to casing below, lower end at described casing arranges air inlet, it is characterized in that: in described casing, be provided with a porous plate, on this porous plate, be provided with the deflector that is parallel to each other and arranges, the length of described deflector is directly proportional apart from the distance of air inlet to this deflector, the lower end position of long deflector is not less than the extreme lower position of described air inlet, and the lower end position of short deflector is not higher than the extreme higher position of described air inlet.
2. lower wind inlet type deduster airflow distribution device according to claim 1, it is characterized in that: the spacing of adjacent two deflectors is identical, and the lower end of all deflectors is positioned on same oblique line.
3. lower wind inlet type deduster airflow distribution device according to claim 1 and 2, it is characterized in that: described casing comprises upper box and middle casing, described air inlet and porous plate are arranged on described middle casing, connect described ash bucket below middle casing.
4. lower wind inlet type deduster airflow distribution device according to claim 3, is characterized in that: porous plate thickness is 2 ~ 3mm, percent opening is 45% ~ 65%.
5. lower wind inlet type deduster airflow distribution device according to claim 4, is characterized in that: the hole shape of described porous plate is circular, square or triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420152593.9U CN203874604U (en) | 2014-04-01 | 2014-04-01 | Air flow distribution device of lower air intake type dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420152593.9U CN203874604U (en) | 2014-04-01 | 2014-04-01 | Air flow distribution device of lower air intake type dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203874604U true CN203874604U (en) | 2014-10-15 |
Family
ID=51675150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420152593.9U Expired - Lifetime CN203874604U (en) | 2014-04-01 | 2014-04-01 | Air flow distribution device of lower air intake type dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203874604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103830978A (en) * | 2014-04-01 | 2014-06-04 | 东南大学 | Lower air inlet type air flow distribution device of dust collector |
-
2014
- 2014-04-01 CN CN201420152593.9U patent/CN203874604U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103830978A (en) * | 2014-04-01 | 2014-06-04 | 东南大学 | Lower air inlet type air flow distribution device of dust collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141015 |
|
| CX01 | Expiry of patent term |