CN215876601U - Bag type dust collector - Google Patents
Bag type dust collector Download PDFInfo
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- CN215876601U CN215876601U CN202121897945.XU CN202121897945U CN215876601U CN 215876601 U CN215876601 U CN 215876601U CN 202121897945 U CN202121897945 U CN 202121897945U CN 215876601 U CN215876601 U CN 215876601U
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Abstract
The utility model provides a bag type dust collector, includes dust removal case, wind channel, and sets up the ash bucket of dust removal case and wind channel below, the inside of dust removal case is provided with the filter bag, the wind channel is connected by straight tube section, reducing section and pipe chute section in proper order and is constituteed, the wind channel sectional area of reducing section is along the gradual increase of air current direction. The utility model has the advantages that dust particles in the dust-containing gas are accelerated by gravity in the straight pipe section, the small-particle-size dust particles are decelerated due to the increase of the sectional area of the air channel in the reducing section, and the large-particle-size dust particles impact the inner wall of the inclined plate of the inclined pipe section to settle by virtue of the gravity action and the inertia of the large-particle-size dust particles, so that the dust-containing gas filters the large-particle-size dust particles before entering the dust removal box, and the dust removal efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of dust filtering devices, and particularly relates to a bag type dust collector.
Background
The bag type dust collector filters dust-containing gas by using the filtering action of fiber fabrics, so that the gas is purified. The middle part is generally adopted to admit air by common bag collector, be equipped with small-bore air-supply line and valve, but the air-supply line wind speed is high when using, the resistance is big, the high load operation energy consumption of fan is high, in addition, dusty gas gets into the dust removal case at a high speed, because contain the great dust of granule in the dusty gas, these dust get into the sack cleaner, can influence the dust removal effect of filter bag on the one hand, reduce dust collection efficiency, on the other hand, the filter bag also can be worn and torn to the large granule dust, the life of filter bag has been shortened greatly, the running cost has been increased, and the dust collection efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a bag type dust collector to solve the technical problem that the existing bag type dust collector is low in dust collection efficiency.
In order to achieve the purpose, the specific technical scheme of the bag type dust collector is as follows:
the utility model provides a bag type dust collector, includes dust removal case, wind channel, and sets up the ash bucket of dust removal case and wind channel below, the inside of dust removal case is provided with the filter bag, the wind channel is connected by straight tube section, reducing section and pipe chute section in proper order and is constituteed, the wind channel sectional area of reducing section is along the gradual increase of air current direction.
Preferably, the air duct is provided with an air inlet, and the straight pipe section is arranged between the air inlet and the reducing section.
Preferably, the air inlet is arranged at the top end of the air duct, and the cross section of the air inlet is perpendicular to the airflow direction.
Preferably, the air inlet is formed in the side wall of the upper portion of the air duct, and the cross section of the air inlet is parallel to the direction of air flow in the straight pipe section.
Preferably, the reducing section is a conical pipe with a small opening at the upper end and a large opening at the lower end.
Preferably, the inclined pipe section comprises an inclined plate, and the inclined plate is arranged obliquely towards the inner side of the air duct.
Preferably, the inner side of the lower end of the inclined pipe section is provided with an air deflector.
Preferably, a partition plate is arranged between the dust removal box and the air duct, and a wind shield is rotatably arranged at the lower end of the partition plate.
Preferably, the straight pipe section is provided with a flap valve for opening or closing the air duct.
Compared with the prior art, the utility model has the beneficial effects that:
1. the air duct of the bag type dust collector comprises a straight pipe section, a reducing section and an inclined pipe section, by adopting the structural design, dust particles in dust-containing gas are accelerated by gravity in the straight pipe section, the sectional area of the air duct is increased in the reducing section, the speed of small-particle-size dust particles is reduced, and large-particle-size dust particles impact the inner wall of an inclined plate of the inclined pipe section to settle by virtue of the gravity action and the inertia of the large-particle-size dust particles, so that the large-particle-size dust particles are filtered before the dust-containing gas enters a dust removal box, and the dust removal efficiency is improved.
2. Because the large-particle-size dust particles in the dust-containing gas are filtered in the air duct, the filter bag only needs to filter the small-particle-size dust particles entering the dust removal box, so that the resistance of the dust remover is reduced, and the service life of the filter bag is prolonged.
Drawings
FIG. 1 is a schematic perspective view of a bag house of the present invention;
FIG. 2 is a schematic cross-sectional view of a bag filter according to the present invention;
the notation in the figure is: 1. a dust removal box; 11. a filter bag; 2. an air duct; 20. an air inlet; 21. a partition plate; 22. a straight pipe section; 23. a diameter-changing section; 231. a side plate; 24. a wind deflector; 25. an oblique pipe section; 251. a sloping plate; 26. an air deflector; 3. an ash bucket.
Detailed Description
For a better understanding of the objects, structure and function of the utility model, a bag house dust collector of the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the bag type dust collector of the present invention includes a dust box 1, an air duct 2, and an ash bucket 3 disposed below the dust box 1 and the air duct 2. A plurality of filter bags 11 are arranged in the dust removing box 1, and dust-containing gas enters the dust removing box 1 through the air duct 2, is filtered by the filter bags 11 and then is discharged from the upper part of the dust removing box 1.
Fig. 2 shows the internal structure of the bag type dust collector, the air duct 2 is arranged at one side of the dust removing box 1 and is fixedly connected with the dust removing box 1 through a partition plate 21, and the lower ends of the dust removing box 1 and the air duct 2 are fixedly connected with the upper end of the ash bucket 3 into a whole, so that a cavity is formed inside. The air duct 2 consists of a straight tube section 22, a reducing section 23 and an inclined tube section 25, the top end of the straight tube section 22 is provided with an air inlet 20, the cross sections of the air duct at each position inside the straight tube section 22 are equal, and dust-containing gas enters the air duct 2 from the air inlet 20 and flows from top to bottom in the air duct 2; the reducing section 23 is fixedly arranged below the straight pipe section 22, and a side plate 231 of the reducing section 23 is obliquely arranged outwards along the airflow direction, so that the air duct sectional area of the reducing section 23 is gradually increased along the airflow direction; the inclined pipe section 25 is fixedly arranged below the reducing section 23, the inclined plate 251 is fixedly connected with the side plate 231, and the inclined plate 251 is obliquely arranged towards the inner side of the air duct 2, so that the direction of the air flow is restricted.
It should be noted that the air inlet 20 may be disposed at the top end of the air duct 2, i.e. the top of the straight pipe section 22, or may be disposed at the side wall of the upper portion of the air duct 2, as long as it is ensured that a straight pipe section 22 exists between the air inlet 20 and the reducer section 23. The reducer section 23 is a tapered tube with a small opening at the upper end and a large opening at the lower end, such as a conical tube, a quadrangular conical tube, or the like.
As shown in fig. 2, in one embodiment of the present invention, the swash plate 251 is provided at a lower end thereof with a wind deflector 26.
It should be noted that the air deflector 26 is used for guiding the airflow direction of the air outlet of the air duct 2, and the air deflector 26 may be fixedly connected to the lower end of the inclined plate 251, such as welded or bolted; the air deflector 26 may also be rotatably disposed at the lower end of the inclined plate 251, for example, when the air deflector 26 is rotatably connected or hinged to the inclined plate 251, the included angle between the air deflector 26 and the inclined plate 251 may be adjusted to adjust the flow direction of the dust-containing gas, so as to achieve the best dust removal effect.
In an embodiment of the present invention, the lower end of the partition board 21 is provided with a wind shield 24, and the wind shield 24 is rotatably connected to the partition board 21 by a rotating shaft or a hinge, so that the wind shield 21 can adjust the angle between the wind shield and the partition board 21 according to the property of the dust particles, and further adjust the opening degree of the air outlet of the air duct 2, thereby realizing the optimization of the dust removal effect.
In one embodiment of the present invention, a manual or electric flap valve is provided on the straight pipe section 22 between the air inlet 20 and the reducer section 23 of the air duct 2, and the flap valve can close the air duct 2, so that online maintenance can be performed when the dust remover fails.
The working principle of the utility model is as follows: the air duct of the bag type dust collector is composed of a straight duct section, a reducing section and an inclined duct section, dust particles in dust-containing gas are accelerated by gravity in the straight duct section, the sectional area of the air duct is increased in the reducing section, small-particle-diameter dust particles are decelerated, large-particle-diameter dust particles impact the inner wall of an inclined plate of the inclined duct section by means of gravity and inertia of the large-particle-diameter dust particles, the large-particle-diameter dust particles can be removed, the small-particle-diameter dust particles bypass a wind shield along a wind deflector and enter a dust collection box, and therefore the filter bag only needs to filter the small-particle-diameter dust particles entering the dust collection box, resistance of the dust collector is reduced, and dust collection efficiency and service life of the filter bag are improved.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. The utility model provides a bag collector, includes dust removal case (1), wind channel (2), and sets up dust hopper (3) of dust removal case (1) and wind channel (2) below, the inside of dust removal case (1) is provided with filter bag (11), its characterized in that, wind channel (2) are connected by straight tube section (22), reducing section (23) and pipe chute section (25) in proper order and are constituteed, the wind channel sectional area of reducing section (23) is along the air current direction progressively increase.
2. A bag house according to claim 1, characterized in that the air duct (2) is provided with air intakes (20), and that the straight pipe section (22) is arranged between the air intakes (20) and the reducer section (23).
3. A bag-type dust collector as claimed in claim 2, characterized in that said air inlet (20) is arranged at the top end of said air duct (2), the cross-section of said air inlet (20) being perpendicular to the direction of air flow.
4. A bag house according to claim 2, characterized in that the air inlet (20) is arranged in the side wall of the upper part of the air duct (2), the cross-section of the air inlet (20) being parallel to the direction of the air flow in the straight tube section (22).
5. A bag house as claimed in claim 1, characterized in that the reducer section (23) is a conical tube with a small opening at the upper end and a large opening at the lower end.
6. A bag-type dust collector as claimed in claim 1, characterized in that the oblique tube section (25) comprises an oblique plate (251), the oblique plate (251) being arranged obliquely to the inside of the air duct (2).
7. A bag house according to claim 1, characterized in that the chute sections (25) are provided with air deflectors (26) on the inside of their lower ends.
8. A bag collector as claimed in claim 1, wherein a partition (21) is provided between said dust box (1) and said air duct (2), and a wind shield (24) is rotatably provided at the lower end of said partition (21).
9. A bag house according to any of claims 1-8, characterized in that the straight pipe section (22) is provided with a flap valve for opening or closing the air duct (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121897945.XU CN215876601U (en) | 2021-08-13 | 2021-08-13 | Bag type dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121897945.XU CN215876601U (en) | 2021-08-13 | 2021-08-13 | Bag type dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215876601U true CN215876601U (en) | 2022-02-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121897945.XU Active CN215876601U (en) | 2021-08-13 | 2021-08-13 | Bag type dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215876601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116929081A (en) * | 2023-09-18 | 2023-10-24 | 赣州有色冶金机械有限公司 | Dust collection and discharging device and rotary reduction furnace with same |
-
2021
- 2021-08-13 CN CN202121897945.XU patent/CN215876601U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116929081A (en) * | 2023-09-18 | 2023-10-24 | 赣州有色冶金机械有限公司 | Dust collection and discharging device and rotary reduction furnace with same |
| CN116929081B (en) * | 2023-09-18 | 2023-12-01 | 赣州有色冶金机械有限公司 | Dust collection and discharging device and rotary reduction furnace with same |
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