CN114522476B - Diameter-reduced spiral dust removal channel based on cyclone separation principle - Google Patents
Diameter-reduced spiral dust removal channel based on cyclone separation principle Download PDFInfo
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- CN114522476B CN114522476B CN202210223902.6A CN202210223902A CN114522476B CN 114522476 B CN114522476 B CN 114522476B CN 202210223902 A CN202210223902 A CN 202210223902A CN 114522476 B CN114522476 B CN 114522476B
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- spiral
- channel
- dust removal
- dust collection
- spiral channel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The invention discloses a diameter-reduced spiral dust removal channel based on a cyclone separation principle, and relates to the technical field of purification and dust removal. The device comprises a spiral channel, wherein an air flow inlet is formed in one end of the spiral channel, which is positioned at the outer side, and an air flow outlet is formed in one end of the spiral channel, which is positioned at the inner side; a plurality of dust collection accessories are arranged on the outer circular arc of the spiral channel at intervals; the dust collection accessory is communicated with the spiral channel through an opening. The channel adopts a spiral design, so that the pressure drop of air flow lost in the motion process is low, the dust removal can be easily realized for multiple times, and the high dust removal efficiency can be obtained under the condition of low pressure drop loss; simple structure, low manufacturing and maintenance cost and very little noise pollution.
Description
Technical Field
The invention relates to the technical field of purification and dust removal, in particular to a diameter-reduced spiral dust removal channel based on a cyclone separation principle.
Background
The structure of the existing dust removing equipment based on cyclone separation is usually cyclone cones in various forms, and the core structure of the existing dust removing equipment is that an airflow channel rotates around a central cylinder, so that centrifugal force is generated, and dust and ash are separated out; the structure is complex, the airflow flowing condition is complex, the strong turbulence is easy to generate, and the pressure drop loss is large. The existing single-stage dust removal device is not high enough in dust removal efficiency, and the air flow in the two-stage and multi-stage dust removal modes often generates great pressure drop loss in the dust removal device. Therefore, how to provide a dust removal device with simple structure, high dust removal efficiency, no turbulence generated in the dust removal process and reduced air flow pressure drop loss is needed to be solved by the person skilled in the art.
Disclosure of Invention
Therefore, the invention mainly aims to provide the diameter-reduced spiral dust removal channel based on the cyclone separation principle, which has a simple structure, can effectively separate dust and ash in air flow, and has low pressure drop loss.
In order to achieve the above purpose, the invention provides a diameter-reduced spiral dust removal channel based on a cyclone separation principle, which comprises a spiral channel, wherein one end of the spiral channel positioned at the outer side is provided with an air flow inlet, and one end positioned at the inner side is provided with an air flow outlet; a plurality of dust collection accessories are arranged on the outer circular arc of the spiral channel at intervals; the dust collection accessory is communicated with the spiral channel through an opening.
Further, the section of the spiral channel is one of square, round, triangular and trapezoid.
Further, the sections of the spiral channels are the same.
Further, the radius of the spiral channel starts from the air inlet, and the radius corresponding to the arc section of the spiral channel is reduced every pi radians, and can be larger or smaller than pi, such as pi/3 or 3 pi/2.
Further, the spiral channels are preferably located on the same plane, and the height of the spiral channels can be changed at proper positions.
Further, the radian occupied by the opening is pi/60-pi/3.
Further, the dust collection accessory is detachably connected with the spiral channel.
The invention has the following beneficial effects:
the channel of the invention adopts a spiral design, and is divided into three sections of spiral channels, large dust particles in the air flow are separated into dust collection accessories when the centrifugal force acts on the air flow in the first arc section and passes through the first dust removal port, and the centrifugal force generated by the dust particles in the air flow is increased more and more along with the reduction of the arc radius of the second arc section and the third arc section and the invariable section of the spiral channel, so that smaller particles in the dust sequentially enter the dust collection accessories of the second arc section and the third arc section, and the invention can achieve higher dust removal efficiency through multistage dust removal; the spiral channel has a simple structure, low pressure drop of air flow loss in the movement process, easy realization of multiple dust removal, small pressure drop loss and higher dust removal efficiency. The invention has simple structure, low manufacturing and maintenance cost and very little noise pollution.
Drawings
FIG. 1 is a schematic view of a diameter-reduced spiral dust removal channel based on the cyclone separation principle.
Fig. 2 is a schematic airflow direction diagram of a diameter-reduced spiral dust removal channel based on cyclone separation principle.
Fig. 3 is a schematic view of the cyclone separation principle-based reduced diameter spiral dust removal channel of the present invention after dust collection attachment removal.
Fig. 4 is a top view of fig. 3.
Fig. 5 is a bottom view of fig. 1.
Wherein, 10-the air flow inlet; 20-helical channels; 21-a first dust collection port; 22-a second dust collection port; 23-a third dust collection port; 30-an air flow outlet; 40-a first dust collection attachment; 41-a second dust collection attachment; 42-third dust collection attachment.
Detailed Description
In order to achieve the above objects and effects, the present invention adopts the technical means and structure, and the features and functions of the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, the invention provides a reduced diameter spiral dust removal channel based on cyclone separation principle, which comprises a spiral channel 20, wherein one end of the spiral channel 20 positioned at the outer side is provided with an air flow inlet 10, and one end positioned at the inner side is provided with an air flow outlet 30; the first dust collection attachment 40, the second dust collection attachment 41 and the third dust collection attachment 42 are arranged on the outer circular arc of the spiral channel 20 at intervals; the first dust collection accessory 40 is communicated with the spiral channel 20 through a first dust collection port 21, the second dust collection accessory 41 is communicated with the spiral channel 20 through a second dust collection port 22, and the third dust collection accessory 42 is communicated with the spiral channel 20 through a third dust collection port 23. The dust-containing air flow enters from the air flow inlet 10, centrifugal force is generated in the air flow in the spiral channel 20, dust gradually approaches to the outer side of the spiral channel 20 in the radial direction under the action of the centrifugal force, and when the dust-containing air flow passes through the first dust collecting opening 21, the dust with large mass and large particle size flies into the first dust collecting accessory 40; after one purification, the air flow continues to move along the spiral channel 20; as the radius of the spiral passage 20 gradually decreases, the generated centrifugal force becomes stronger and finer dust particles can be separated at the second dust collecting port 22 and the third dust collecting port 23.
In other embodiments, the cross-section of the spiral channel 20 may be square, circular, triangular, trapezoidal, or other polygonal shape.
In another embodiment, the spiral channel 20 is identical in cross-section throughout.
In another embodiment, the radius of the spiral channel 20 starts from the air inlet 10, the radius of each circular arc segment of the spiral channel 20 is reduced by pi radian, and the radius of each circular arc segment on the spiral channel 20 can be larger or smaller than pi, such as pi/3 or 3 pi/2, as shown in fig. 4, and R1> R2> R3; the first arc section is provided with a first dust collection attachment 40, the second arc section is provided with a second dust collection attachment 41, and the third arc section is provided with a third dust collection attachment 42. As the radius of the circular arc of the spiral passage 20 is gradually reduced, the generated centrifugal force is more and more strong, and finer dust particles can be separated from the second dust collection attachment 41 and the third dust collection attachment 42.
In another embodiment, the spiral channels 20 are preferably located on the same plane.
In another embodiment, the spiral channel 20 is a spiral ascending or spiral descending channel. Can be adjusted according to actual conditions.
In another embodiment, the opening occupies a circular angular arc of pi/60 degrees to pi/3 degrees. Can be adjusted according to actual conditions.
In another embodiment, the dust collection attachment is removably connected to the spiral channel 20. The dust in the dust collection accessory is conveniently cleaned.
The foregoing description is only illustrative of the preferred embodiment, and is not intended to limit the scope of the invention in any way.
Claims (3)
1. The diameter-reduced spiral dust removal channel based on the cyclone separation principle is characterized by comprising a spiral channel, wherein one end of the spiral channel positioned at the outer side is provided with an air flow inlet, and one end positioned at the inner side is provided with an air flow outlet; a plurality of dust collection accessories are arranged on the outer circular arc of the spiral channel at intervals; the dust collection accessory is communicated with the spiral channel through an opening;
the radius of the spiral channel starts from the air inlet, and the radius corresponding to the arc section of the spiral channel is reduced once every pi radians are passed; dividing the spiral channel into three arc sections, wherein a first dust collection accessory is arranged on the first arc section, a second dust collection accessory is arranged on the second arc section, and a third dust collection accessory is arranged on the third arc section;
the spiral channels are positioned on the same plane;
the radian of the circumferential angle occupied by the opening is pi/60-pi/3;
the sections of the spiral channels are the same.
2. The reduced diameter spiral dust removal channel based on cyclone separation principle as claimed in claim 1, wherein the cross section of the spiral channel is one of square, round, triangular and trapezoid.
3. A reduced diameter spiral dust removal duct based on the cyclone separation principle as claimed in claim 1, wherein the dust collection attachment is detachably connected to the spiral duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210223902.6A CN114522476B (en) | 2022-03-07 | 2022-03-07 | Diameter-reduced spiral dust removal channel based on cyclone separation principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210223902.6A CN114522476B (en) | 2022-03-07 | 2022-03-07 | Diameter-reduced spiral dust removal channel based on cyclone separation principle |
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| Publication Number | Publication Date |
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| CN114522476A CN114522476A (en) | 2022-05-24 |
| CN114522476B true CN114522476B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210223902.6A Active CN114522476B (en) | 2022-03-07 | 2022-03-07 | Diameter-reduced spiral dust removal channel based on cyclone separation principle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115288626A (en) * | 2022-08-03 | 2022-11-04 | 湖州通元石料有限公司 | Raise dust suppression device for mining |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548242A (en) * | 2003-05-13 | 2004-11-24 | 乐金电子(天津)电器有限公司 | Cyclone dust collector |
| CN102425573A (en) * | 2011-12-14 | 2012-04-25 | 中国舰船研究设计中心 | Low-noise forward multi-wing centrifugal blower |
| CN102553733A (en) * | 2012-02-17 | 2012-07-11 | 崔信明 | Dust collector with spiral channels |
| WO2016197546A1 (en) * | 2015-06-09 | 2016-12-15 | 莱克电气股份有限公司 | Handheld dust collector having spiral two-stage tornado dust-air separation structure |
| CN111167621A (en) * | 2020-02-13 | 2020-05-19 | 天津水泥工业设计研究院有限公司 | Multistage combined weak vortex low-resistance cyclone preheating system |
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2022
- 2022-03-07 CN CN202210223902.6A patent/CN114522476B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548242A (en) * | 2003-05-13 | 2004-11-24 | 乐金电子(天津)电器有限公司 | Cyclone dust collector |
| CN102425573A (en) * | 2011-12-14 | 2012-04-25 | 中国舰船研究设计中心 | Low-noise forward multi-wing centrifugal blower |
| CN102553733A (en) * | 2012-02-17 | 2012-07-11 | 崔信明 | Dust collector with spiral channels |
| WO2016197546A1 (en) * | 2015-06-09 | 2016-12-15 | 莱克电气股份有限公司 | Handheld dust collector having spiral two-stage tornado dust-air separation structure |
| CN111167621A (en) * | 2020-02-13 | 2020-05-19 | 天津水泥工业设计研究院有限公司 | Multistage combined weak vortex low-resistance cyclone preheating system |
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| CN114522476A (en) | 2022-05-24 |
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