CN112138880A - Graded dust collecting device - Google Patents
Graded dust collecting device Download PDFInfo
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- CN112138880A CN112138880A CN202010992590.6A CN202010992590A CN112138880A CN 112138880 A CN112138880 A CN 112138880A CN 202010992590 A CN202010992590 A CN 202010992590A CN 112138880 A CN112138880 A CN 112138880A
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- dust collecting
- sorting
- cyclone
- worm pipe
- worm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/02—Construction of inlets by which the vortex flow is generated, e.g. tangential admission, the fluid flow being forced to follow a downward path by spirally wound bulkheads, or with slightly downwardly-directed tangential admission
- B04C5/04—Tangential inlets
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Abstract
The invention discloses a graded dust collecting device, which comprises a sorting worm pipe, a cyclone, a dust collecting device and a dust collecting device, wherein the sorting worm pipe comprises two side plates with arc-shaped sections and an upper sealing plate and a lower sealing plate which are connected with the side plates, one end of the sorting worm pipe is provided with an opening which is a material inlet, and the other end of the sorting worm pipe is connected into the cyclone; the outer side plate of the sorting worm pipe is composed of multiple sections, has different curvatures, and the curvatures are gradually increased from the material inlet to the cyclone cylinder; a plurality of dust collecting blades are uniformly arranged in the outer side plate of the sorting volute; the dust collecting channel is triangular and provided with a plurality of channels, the curvature of the outer side face of each channel is the same as that of the sorting worm pipe, the outer side face of each channel corresponds to each section of the sorting worm pipe one by one, the upper portion of the dust collecting channel is communicated with the sorting worm pipe, the lower portion of the dust collecting channel is provided with a feed opening and a cyclone cylinder, the cyclone cylinder is located on the inner side of the sorting worm pipe, and the cyclone cylinder comprises a cyclone inner cylinder, a cyclone shell, a cyclone cone and a discharge. According to the invention, the volute is provided with the plurality of shells with different curvatures, so that materials with different particle sizes are collected, the grading level is more, and more energy is saved.
Description
Technical Field
The invention belongs to the field of material classification, and particularly relates to a classification dust collecting device.
Background
In powder engineering, materials with different particle sizes are required to be obtained in order to utilize different characteristics of the materials. Therefore, the powder particles are classified into different particle sizes, and the economic added value and the performance requirement of the material are greatly increased. By means of different sizes of solid particles, the classifier is widely suitable for being matched with a ball mill in a dressing plant to form a closed circulation system to separate ore sand, or used in a gravity dressing plant to classify ore sand and fine mud, and used for carrying out particle size classification on ore pulp in a metal dressing process. The existing grader mostly adopts the following modes:
the material falls on a spreading disc rotating at a high speed under the action of wind power conveying, the material is fully dispersed and thrown to a buffer ring under the action of centrifugal force, and in the falling process, the heavier material slides to a coarse material collector through blades of an adjusting ring under the action of cross airflow generated by a rotor to be collected and then is discharged through a fan; and the lighter materials, micro powder or fibers are conveyed to a micro powder collector of a classifier below along with the air flow of an air suction port in the middle part above the rotor under the action of cross air flow to be collected and then are discharged by a fan.
The grading machine adopting the mode has too few grain size selection grades and large energy consumption.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problem of designing a grading dust collecting device, and can realize multi-stage grading of powder materials with different particle sizes in the same device.
In order to solve the technical problem, the invention provides a graded dust collecting device, which comprises
The sorting worm pipe comprises two side plates with arc sections and an upper sealing plate and a lower sealing plate which are connected with the side plates, wherein one end of the sorting worm pipe is provided with an opening which is a material inlet, and the other end of the sorting worm pipe is connected with the cyclone cylinder; the outer side plate of the sorting worm pipe is composed of a plurality of sections, has different curvatures, the curvatures are gradually increased from the material inlet to the cyclone cylinder,
a plurality of dust collecting blades which are as high as the sorting volute, are uniformly arranged in the outer side plate of the sorting volute, have the same width direction as the normal direction of the outer side surface,
the dust collecting channels are triangular and are provided with a plurality of outer side surfaces, the curvature of the outer side surfaces is the same as that of the sorting worm pipes, the outer side surfaces correspond to the sections of the sorting worm pipes one by one, the upper parts of the dust collecting channels are communicated with the sorting worm pipes, the lower parts of the dust collecting channels are provided with feed openings, the feed openings are connected with the material storage containers,
the cyclone cylinder is positioned on the inner side of the sorting worm pipe and comprises a cyclone inner cylinder, a cyclone shell, a cyclone cone and a discharge opening, and the cyclone shell is cylindrical and positioned on the upper part and communicated with the sorting worm pipe; the cyclone cone is conical and is connected to the lower part of the cyclone shell and is communicated with the cyclone shell; the bottom of the cyclone cone is provided with a discharge opening, and the cyclone inner cylinder is tubular and is positioned at the middle upper part of the inner side of the cyclone shell.
Furthermore, the feed opening and the dust collecting channel have more than 6 groups.
Furthermore, the outer side plates with different multi-section curvatures of the sorting worm pipe are uniformly distributed, and the angles are the same.
Further, each section of side plate with different curvature of the sorting worm pipe is provided with 4 blades.
Further, the dust collecting blade is not more than 35 mm.
Furthermore, the sorting worm pipe outer side plate is integrally cast.
Further, any vertical section of the sorting worm pipe is rectangular.
Furthermore, the inner side surface of the sorting worm pipe is provided with ceramic wear prevention.
The invention has the beneficial effects that:
the grading dust collecting device disclosed by the invention only adopts the fan to drive materials to move along with gas, the sorting scroll pipes with different curvatures are matched with the dust collecting blades, so that the material particles with specific particle sizes lose gas acting force and fall into a specific dust collecting channel, and a plurality of shells with different curvatures are arranged on the scroll pipes, so that the materials with different particle sizes are collected and finally completely collected through the cyclone cylinders, and the grading grade is more and more energy-saving.
Drawings
FIG. 1 is a schematic perspective view of a dust collecting apparatus according to the present invention;
FIG. 2 is a perspective view of a classifying scroll of the dust collecting apparatus according to the present invention with its upper cover removed;
FIG. 3 is a front sectional view of the material flow direction of the dust collecting apparatus according to the present invention;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;
FIG. 5 is an enlarged view of FIG. 3 taken along line B-B;
FIG. 6 is a schematic view of the cyclone of the present invention.
In the figure: 1. sorting worm pipe, 2, cyclone inner cylinder, 3, discharge opening, 4, cyclone shell, 5, discharge opening, 6, dust collection channel, 7, dust collection blade, 8, cyclone cone, 9 and material inlet.
Detailed Description
The details of the present invention are described below with reference to the accompanying drawings and specific embodiments.
As shown in FIG. 1, a classified dust collecting apparatus comprises
The sorting worm pipe 1 comprises two side plates with arc sections and an upper sealing plate and a lower sealing plate which are connected with the side plates, wherein one end of the sorting worm pipe is provided with an opening which is a material inlet 9, and the other end of the sorting worm pipe is connected into the cyclone cylinder; the outer side plate of the sorting worm pipe 1 is composed of a plurality of sections with different curvatures, the curvatures are gradually increased from the material inlet 9 to the cyclone cylinder,
as shown in fig. 2, the dust collecting blades 7 are provided with a plurality of dust collecting blades 7, the dust collecting blades 7 are as high as the sorting volute, are uniformly arranged in the outer side plate of the sorting volute, and have the same width direction as the normal direction of the outer side surface,
as shown in fig. 3 and 5, the dust collecting channel 6 is a triangle, a plurality of dust collecting channels 6 are provided, the outer side surface has the same curvature as the sorting worm 1 and is in one-to-one correspondence with each section of the sorting worm 1, the upper part of the dust collecting channel 6 is communicated with the sorting worm 1, the lower part is provided with a feed opening 5, the feed opening 5 is connected with each storage container,
as shown in fig. 4 and 6, the cyclone is located inside the separation worm pipe 1, and the cyclone includes a cyclone inner cylinder 2, a cyclone outer shell 4, a cyclone cone 8 and a discharge opening 3, wherein the cyclone outer shell 4 is cylindrical, is located at the upper part and is communicated with the separation worm pipe 1; the cyclone cone 8 is conical and is connected to the lower part of the cyclone shell 4 and is communicated with the cyclone shell; the bottom of the cyclone cone 8 is provided with a discharge opening 3, and the cyclone inner cylinder 2 is tubular and is positioned at the middle upper part of the inner side of the cyclone shell 4.
In practical application, there are more than 6 groups of the feed opening 5 and the dust collecting channel 6.
In practical application, the outer side plates with different curvatures of the sorting worm pipe 1 are uniformly distributed and have the same angle.
In practical application, each section of side plate with different curvatures of the sorting worm pipe 1 is provided with 4 blades.
In practical application, the dust collecting blade 7 is not more than 35 mm.
In practical application, the outer side plate of the sorting worm pipe 1 is integrally cast.
In practical application, any vertical section of the sorting worm pipe 1 is rectangular.
In practical application, the inner side surface of the sorting worm pipe 1 is provided with ceramic abrasion resistance.
The working principle of the invention is as follows:
after entering the material inlet 9, the gas-solid mixed material rotates along the worm pipe under the action of the worm pipe, particles move to the outer shell under the action of centrifugal force, particles with larger particle sizes move to the positions between the dust collecting blades 7 at the upper part of the first dust collecting channel 6, due to the action of the dust collecting blades 7, gas between the dust collecting blades 7 is static gas, and after entering the particles, the particles lose gas acting force and move downwards under the action of gravity to fall into the dust collecting channel 6; the airflow continuously moves forwards and enters the upper part of a second dust collecting channel 6, because the curvature of a shell at the upper part of the second dust collecting channel 6 is larger than that of a shell at the upper part of the previous dust collecting channel 6, under the same flow velocity, the centrifugal force exerted on particles is larger, and because the centrifugal force is larger on particles with smaller particle size than the particles collected before, the particles move to the positions between dust collecting blades 7 at the upper part of the second dust collecting channel 6, because of the action of the dust collecting blades 7, the gas between the dust collecting blades 7 is static gas, and the particles lose gas acting force after entering and fall into the dust collecting channel 6 downwards under the action of gravity; the particles are collected in other dust collecting channels 6 in a reciprocating mode in sequence, and the collection of materials with different particle sizes is achieved. Finally, the particles enter the inlet of the cyclone cylinder, under the action of the cyclone shell 4 and the cyclone cone 8 of the cyclone cylinder, the rest materials with larger particle size are thoroughly collected by the discharge opening 3, and clean air is discharged from the cyclone inner cylinder 2 at the top.
In conclusion, the volute is provided with the plurality of shells with different curvatures, so that materials with different particle sizes are collected and finally thoroughly collected through the cyclone, the grading level is more, and more energy is saved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.
Claims (8)
1. The utility model provides a hierarchical dust arrester installation which characterized in that: comprises that
The separation worm pipe (1) comprises two side plates with arc-shaped sections and an upper sealing plate and a lower sealing plate which are connected with the side plates, one end of the separation worm pipe is provided with an opening which is a material inlet (9), and the other end of the separation worm pipe is connected into the cyclone cylinder; the outer side plate of the sorting worm pipe (1) is composed of a plurality of sections with different curvatures, the curvatures of the sections are gradually increased from the material inlet (9) to the cyclone cylinder,
a plurality of dust collecting blades (7) are arranged, are as high as the sorting volute and are uniformly arranged in the outer side plate of the sorting volute, the width direction of the dust collecting blades (7) is the same as the normal direction of the outer side surface,
the dust collecting channel (6) is triangular and provided with a plurality of dust collecting channels, the curvature of the outer side surface of each dust collecting channel is the same as that of the sorting worm pipe (1), the dust collecting channels correspond to the sections of the sorting worm pipes (1) one by one, the upper part of each dust collecting channel (6) is communicated with the sorting worm pipe (1), the lower part of each dust collecting channel is provided with a feed opening (5), and the feed openings (5) are connected with each material storage container,
the cyclone cylinder is positioned on the inner side of the sorting worm pipe (1) and comprises a cyclone inner cylinder (2), a cyclone outer shell (4), a cyclone cone (8) and a discharge opening (3), and the cyclone outer shell (4) is cylindrical and positioned on the upper part and communicated with the sorting worm pipe (1); the cyclone cone (8) is conical and is connected to the lower part of the cyclone shell (4) and is communicated with the cyclone shell; the bottom of the cyclone cone (8) is provided with a discharge opening (3), and the cyclone inner cylinder (2) is tubular and is positioned at the middle upper part of the inner side of the cyclone shell (4).
2. The classified dust collecting device according to claim 1, wherein: and more than 6 groups of the feed opening (5) and the dust collecting channel (6) are provided.
3. The classified dust collecting apparatus according to claim 1 or 2, wherein: the outer side plates of the sorting worm pipes (1) with different sections of curvatures are uniformly distributed, and the angles are the same.
4. The classified dust collecting device according to claim 3, wherein: each section of side plate with different curvatures of the sorting worm pipe (1) is provided with 4 blades.
5. The classified dust collecting apparatus according to claim 1 or 4, wherein: the dust collection blade (7) is not more than 35 mm.
6. The classified dust collecting device according to claim 1, wherein: the outer side plate of the sorting worm pipe (1) is integrally cast.
7. The classified dust collecting device according to claim 1, wherein: any vertical section of the sorting worm pipe (1) is rectangular.
8. The classified dust collecting device according to claim 1, wherein: the inner side surface of the sorting worm pipe (1) is provided with ceramic wear prevention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010992590.6A CN112138880A (en) | 2020-09-21 | 2020-09-21 | Graded dust collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010992590.6A CN112138880A (en) | 2020-09-21 | 2020-09-21 | Graded dust collecting device |
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| Publication Number | Publication Date |
|---|---|
| CN112138880A true CN112138880A (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010992590.6A Pending CN112138880A (en) | 2020-09-21 | 2020-09-21 | Graded dust collecting device |
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| CN (1) | CN112138880A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457286A (en) * | 2021-07-18 | 2021-10-01 | 余启文 | Cyclone dust removal device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4622132A (en) * | 1985-04-19 | 1986-11-11 | The Black Clawson Company | Liquid cyclone or centrifugal cleaner |
| JPS62129165A (en) * | 1985-11-28 | 1987-06-11 | Kobe Steel Ltd | Cyclone separator with powder collector |
| CN2145072Y (en) * | 1993-01-08 | 1993-11-03 | 东北工学院 | Combined whirlwind dust remover |
| CN2155956Y (en) * | 1993-04-18 | 1994-02-16 | 国营海安建材设备厂 | Vortex powder selecting machine |
| CN201186245Y (en) * | 2008-04-07 | 2009-01-28 | 江苏牧羊集团有限公司 | Cyclone duster |
| CN101416849A (en) * | 2007-10-23 | 2009-04-29 | 胡佛有限公司 | Cyclonic separation apparatus |
| CN101767068A (en) * | 2010-01-22 | 2010-07-07 | 长沙奥邦环保实业有限公司 | Spiral separating device |
| CN202438419U (en) * | 2012-02-17 | 2012-09-19 | 崔信明 | Spiral channel dust collector |
-
2020
- 2020-09-21 CN CN202010992590.6A patent/CN112138880A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4622132A (en) * | 1985-04-19 | 1986-11-11 | The Black Clawson Company | Liquid cyclone or centrifugal cleaner |
| JPS62129165A (en) * | 1985-11-28 | 1987-06-11 | Kobe Steel Ltd | Cyclone separator with powder collector |
| CN2145072Y (en) * | 1993-01-08 | 1993-11-03 | 东北工学院 | Combined whirlwind dust remover |
| CN2155956Y (en) * | 1993-04-18 | 1994-02-16 | 国营海安建材设备厂 | Vortex powder selecting machine |
| CN101416849A (en) * | 2007-10-23 | 2009-04-29 | 胡佛有限公司 | Cyclonic separation apparatus |
| CN201186245Y (en) * | 2008-04-07 | 2009-01-28 | 江苏牧羊集团有限公司 | Cyclone duster |
| CN101767068A (en) * | 2010-01-22 | 2010-07-07 | 长沙奥邦环保实业有限公司 | Spiral separating device |
| CN202438419U (en) * | 2012-02-17 | 2012-09-19 | 崔信明 | Spiral channel dust collector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457286A (en) * | 2021-07-18 | 2021-10-01 | 余启文 | Cyclone dust removal device |
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Application publication date: 20201229 |