CN113694624A - Be used for slight particle separation sieving mechanism - Google Patents
Be used for slight particle separation sieving mechanism Download PDFInfo
- Publication number
- CN113694624A CN113694624A CN202111164389.XA CN202111164389A CN113694624A CN 113694624 A CN113694624 A CN 113694624A CN 202111164389 A CN202111164389 A CN 202111164389A CN 113694624 A CN113694624 A CN 113694624A
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- Prior art keywords
- cylinder
- cyclone
- dust
- screening
- particle separation
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- 238000000926 separation method Methods 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 title claims description 12
- 239000002245 particle Substances 0.000 title abstract description 32
- 238000007873 sieving Methods 0.000 title description 5
- 239000000428 dust Substances 0.000 claims abstract description 50
- 238000012216 screening Methods 0.000 claims abstract description 35
- 239000010419 fine particle Substances 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 5
- 230000005484 gravity Effects 0.000 abstract description 10
- 239000008187 granular material Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 206010010904 Convulsion Diseases 0.000 abstract description 2
- 230000036461 convulsion Effects 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 3
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 3
- 241001330002 Bambuseae Species 0.000 abstract 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 3
- 239000011425 bamboo Substances 0.000 abstract 3
- 238000004804 winding Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000004503 fine granule Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- 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
- B04C5/24—Multiple arrangement thereof
- B04C5/26—Multiple arrangement thereof for series flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
- B01D2279/20—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for collecting heterogeneous particles separately
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cyclones (AREA)
Abstract
The invention discloses a device for separating and screening fine particles, which relates to the technical field of screening devices.A particle is blown into a first cyclone cylinder from a feeding pipe, a downward outward rotating airflow is formed along the inner wall of the first cyclone cylinder, an inward rotating airflow is formed upwards along the axis of the first cyclone cylinder, the inward rotating airflow is used for winding dust and partial particles into a first inner cylinder, and partial particles fall into a vibrating screen separator under the action of gravity to form first dust separation; then dust and granule in the first inner tube are carried to the second whirlwind section of thick bamboo in, the outside convulsions of dust exhaust column this moment, make the interior negative pressure that forms of second inner tube, the granule drops into the vibration screening machine under the action of gravity, and the dust is then inhaled to the dust exhaust column under the action of negative pressure in the second inner tube, discharge through the dust exhaust column at last, thereby realize the secondary separation to the dust, compare with the conventional art, this scheme has realized the two-stage binocular separation of first whirlwind section of thick bamboo and second whirlwind section of thick bamboo, the separation effect to the dust has been promoted by a wide margin.
Description
Technical Field
The invention relates to the technical field of screening devices, in particular to a fine particle separating and screening device.
Background
Separation sieving mechanism generally is used for carrying out the separation of fine granule, and its dust that utilizes the two-phase separation of gas-solid principle in to the granule separates, then screens the granule with sieving mechanism, and traditional separation sieving mechanism generally adopts an urceolus and an inner tube to carry out dust separation, and its defect lies in: after the particles are blown into the outer cylinder, only one gas-solid separation is carried out, and the dust separation effect is not ideal.
Disclosure of Invention
The invention aims to realize two-stage double-cylinder separation and greatly improve the dust separation effect.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the double-cylinder separator comprises a first cyclone cylinder, a second cyclone cylinder, a first inner cylinder and a second inner cylinder, one end of the feeding pipe is communicated with the upper portion of the first cyclone cylinder, the feeding direction of the feeding pipe is tangent to the inner wall of the first cyclone cylinder, one end of the first inner cylinder penetrates into the middle of the first cyclone cylinder from the top end of the first cyclone cylinder, the other end of the first inner cylinder is communicated with the upper portion of the second cyclone cylinder, one end of the second inner cylinder penetrates into the middle of the second cyclone cylinder from the top end of the second cyclone cylinder, the other end of the second inner cylinder is communicated with the dust exhaust pipe, and the lower end of the first cyclone cylinder and the lower end of the second cyclone cylinder are communicated with a feeding port of the vibration screening machine.
Further, the lower end of the first inner cylinder is in an inverted cone shape.
Further, the lower end of the second inner cylinder is in an inverted cone shape.
Furthermore, the device also comprises two groups of discharging mechanisms;
the discharging mechanism comprises a discharging hopper and a discharging valve, and the discharging valve is arranged at the lower end of the discharging hopper;
the lower ends of the first cyclone and the second cyclone are respectively positioned in the two discharge hoppers, and the lower ends of the two discharge valves are communicated with a feeding port of the vibrating screening machine.
Further, the material collecting device further comprises a material collecting hopper, the lower ends of the two discharge valves are communicated with the inside of the material collecting hopper, and the lower end of the material collecting hopper is communicated with a feeding port of the vibrating screen classifier.
Furthermore, a door is arranged on the side surface of the collecting hopper.
Further, the discharge valve is star-shaped.
Further, still include the collecting vessel, the collecting vessel is located the below of vibratory screening machine's discharge gate.
Further, the upper end of the second cyclone is higher than the upper end of the first cyclone.
The double-cylinder separator and the vibrating screening machine are fixedly arranged on the frame.
The invention has the beneficial effects that: according to the invention, through designing the first cyclone and the second cyclone, after particles are blown into the first cyclone from the feeding pipe, a downward outward rotating airflow is formed along the inner wall of the first cyclone under the action of centrifugal force, and an inward rotating airflow is formed upwards along the axis of the first cyclone at the same time, the outward rotating airflow enables most of the particles to be drawn into the lower outlet of the first cyclone to flow out and fall into the vibrating screen classifier, and also enables part of the particles to fall into the vibrating screen classifier under the action of gravity, and meanwhile, the inward rotating airflow at the axis conveys dust and a small amount of particles in the first inner cylinder to the second cyclone to form primary dust separation; after the fine particle airflow is subjected to the first dust separation, most particles are captured and collected, and the airflow only leaving a small amount of fine particles is sucked into the second cyclone cylinder, a downward outward cyclone airflow is formed along the inner wall of the second cyclone cylinder under the action of centrifugal force again, meanwhile, an internal cyclone flow is formed upwards along the axis of the second cyclone cylinder, the external cyclone flow draws most particles into an outlet at the lower part of the second cyclone cylinder to flow out and fall into the vibrating screen classifier, and part of the particles fall into the vibrating screen classifier under the action of gravity, meanwhile, the internal rotation airflow of the axis conveys the dust and the trace particles in the second inner cylinder to a subsequent dust exhaust pipe and finally discharges the dust and the trace particles through the dust exhaust pipe, compared with the prior art, the dust separation device has the advantages that two-stage double-cylinder separation of the first outer cylinder and the second outer cylinder is realized, and the dust separation effect is greatly improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
the reference signs are:
the device comprises a bracket 1, a feeding pipe 2,
the double-tube separator 3, the first cyclone 31, the second cyclone 32, the first inner tube 33, the second inner tube 34,
a dust exhaust pipe 4 is arranged on the dust exhaust pipe,
a discharge mechanism 5, a discharge hopper 51, a discharge valve 52,
a collecting hopper 6, a vibrating screen classifier 7 and a collecting barrel 8.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The device for separating and screening fine particles as shown in fig. 1 comprises a support 1, a feeding pipe 2, a double-barrel separator 3, a dust exhaust pipe 4, two sets of discharging mechanisms 5, a centralized hopper 6, a vibrating screen classifier 7 and a collecting barrel 8.
The double-cylinder separator 3 comprises a first cyclone cylinder 31, a second cyclone cylinder 32, a first inner cylinder 33 and a second inner cylinder 34, one end of the feed pipe 2 is communicated with the upper part in the first cyclone cylinder 31, and the feeding direction of the feed pipe 2 is tangent to the inner wall of the first cyclone cylinder 31, i.e. the direction of particles entering the first cyclone cylinder 31 from the feed pipe 2 is tangent to the inner wall of the first cyclone cylinder 31, so that the design is more favorable for forming downward outward-rotating airflow on the inner wall of the first cyclone cylinder 31 and forming upward inward-rotating airflow along the axis of the first cyclone cylinder.
One end of the first inner cylinder 33 penetrates into the middle part of the first cyclone 31 from the top end of the first cyclone 31, the other end of the first inner cylinder 33 is communicated with the upper part of the second cyclone 32, after particles are blown into the first cyclone 31 from the feeding pipe 2 through a blowing machine, a downward outward rotating airflow is formed along the inner wall of the first cyclone 31, an inward rotating airflow is formed upwards along the axis of the first cyclone, the inward rotating airflow enables dust and part of particles to be drawn into the first inner cylinder 33, and part of particles fall under the action of gravity to form first dust separation.
The lower end of the first inner cylinder 33 is in an inverted cone shape, and the inverted cone structure enables dust and partial particles to be easily involved in the first inner cylinder 33.
The middle part in penetrating to second cyclone 32 from the top of second cyclone 32 of the one end of second inner tube 34, the other end and the dust exhaust column 4 intercommunication of second inner tube 34, dust and granule in the first inner tube 33 are carried to second cyclone 32 in, be connected dust exhaust column 4 and air extraction equipment, air extraction equipment during operation, make the outside convulsions of dust exhaust column 4, form the negative pressure in second inner tube 34, the granule falls down under the action of gravity, and the dust is then inhaled to dust exhaust column 4 under the negative pressure in second inner tube 34, discharge through dust exhaust column 4 at last, thereby realize the secondary separation to the dust.
The lower end of the second inner cylinder 34 is in an inverted cone shape, and the inverted cone structure enables dust to be sucked into the second inner cylinder 34 more easily.
The upper end of the second cyclone 32 is higher than the upper end of the first cyclone 31, so that the particle transportation in the first inner cylinder 33 is more facilitated.
The discharging mechanism 5 comprises a discharging hopper 51 and a discharging valve 52, wherein the discharging valve 52 is a star-shaped discharging valve 52, and the discharging valve 52 is arranged at the lower end of the discharging hopper 51.
The lower ends of the first cyclone 31 and the second cyclone 32 are respectively positioned in two discharge hoppers 51, the lower ends of two discharge valves 52 are both communicated with the interior of the collecting hopper 6, and the lower end of the collecting hopper 6 is communicated with a feeding port of the vibrating screen machine 7.
The particles from which the dust has been separated fall under gravity into the discharge hopper 51, are discharged into the collecting hopper 6 through the discharge valve 52, then fall into the vibratory screening machine 7 from the collecting hopper 6, and are screened by the vibratory screening machine 7.
The side of the centralized hopper 6 is also provided with a door, which is beneficial for people to overhaul the inside of the centralized hopper 6 or cleaning the residual particles in the centralized hopper 6.
Collecting vessel 8 is located the below of vibration screening machine 7's discharge gate, and the granule of vibration screening machine 7's discharge gate output is collected through collecting vessel 8, and vibration screening machine 7 sieves it according to the size of granule, and its structure belongs to prior art, and all has selling on the net, so its specific structure is no longer repeated.
And the double-cylinder separator 3 and the vibrating screening machine 7 are fixedly arranged on the frame.
The working principle of the invention is as follows: after the particles are blown into the first cyclone cylinder 31 from the feeding pipe 2, downward outward rotating airflow is formed along the inner wall of the first cyclone cylinder 31 under the action of centrifugal force, inward rotating airflow is formed upward along the axis of the first cyclone cylinder 31, most of the particles are drawn into the lower outlet of the first cyclone cylinder 31 by the outward rotating airflow to flow out and fall into the vibrating screen 7, part of the particles fall into the vibrating screen 7 under the action of gravity, and meanwhile, the dust and a small amount of particles in the first inner cylinder 33 are conveyed into the second cyclone cylinder 32 by the inward rotating airflow at the axis to form primary dust separation; after the fine particle air flows through the first dust separation, most particles are captured and collected, only a small amount of airflow of the fine particles is left to be sucked into the second cyclone cylinder 32, then downward outward-rotating airflow is formed along the inner wall of the second cyclone cylinder 32 under the action of centrifugal force again, inward-rotating airflow is formed upwards along the axis of the second cyclone cylinder 32, most particles are drawn into an outlet at the lower part of the second cyclone cylinder 32 by the outward-rotating airflow to flow out and fall into the vibrating screen classifier 7, part of particles fall into the vibrating screen classifier 7 under the action of gravity, meanwhile, the dust and trace particles in the second inner cylinder 33 are conveyed to the subsequent dust exhaust pipe 4 by the inward-rotating airflow at the axis, and finally, the dust is discharged through the dust exhaust pipe 4, so that the second separation of the dust is realized; the particles from which the dust has been separated fall under gravity into the discharge hopper 51, are discharged into the collecting hopper 6 through the discharge valve 52, then fall into the vibratory screening machine 7 from the collecting hopper 6, and are screened by the vibratory screening machine 7.
The technical scope of the present invention is not limited to the above embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.
Claims (10)
1. A device for separating and screening fine particles is characterized in that: the double-cylinder separator comprises a feeding pipe, a double-cylinder separator, a dust exhaust pipe and a vibrating screening machine, wherein the double-cylinder separator comprises a first cyclone cylinder, a second cyclone cylinder, a first inner cylinder and a second inner cylinder, one end of the feeding pipe is communicated with the upper portion in the first cyclone cylinder, the feeding direction of the feeding pipe is tangent to the inner wall of the first cyclone cylinder, one end of the first inner cylinder penetrates into the middle portion in the first cyclone cylinder from the top end of the first cyclone cylinder, the other end of the first inner cylinder is communicated with the upper portion in the second cyclone cylinder, one end of the second inner cylinder penetrates into the middle portion in the second cyclone cylinder from the top end of the second cyclone cylinder, the other end of the second inner cylinder is communicated with the dust exhaust pipe, and the lower end of the first cyclone cylinder and the lower end of the second cyclone cylinder are communicated with a feeding port of the vibrating screening machine.
2. A device for fine particle separation screening as set forth in claim 1, wherein: the lower end of the first inner cylinder is in an inverted cone shape.
3. A device for fine particle separation screening as set forth in claim 1, wherein: the lower end of the second inner cylinder is in an inverted cone shape.
4. A device for fine particle separation screening as set forth in claim 1, wherein: the device also comprises two groups of discharging mechanisms;
the discharging mechanism comprises a discharging hopper and a discharging valve, and the discharging valve is arranged at the lower end of the discharging hopper;
the lower ends of the first cyclone and the second cyclone are respectively positioned in the two discharge hoppers, and the lower ends of the two discharge valves are communicated with a feeding port of the vibrating screening machine.
5. The apparatus for fine particle separation and screening as set forth in claim 4, wherein: the material collecting and screening machine is characterized by further comprising a centralized hopper, the lower ends of the two discharge valves are communicated with the inside of the centralized hopper, and the lower end of the centralized hopper is communicated with a feeding port of the vibrating screening machine.
6. The apparatus for fine particle separation and screening as set forth in claim 5, wherein: the side of the centralized hopper is also provided with a door.
7. The apparatus for fine particle separation and screening as set forth in claim 4, wherein: the discharge valve is a star-shaped discharge valve.
8. A device for fine particle separation screening as set forth in claim 1, wherein: still include the collecting vessel, the collecting vessel is located the below of vibratory screening machine's discharge gate.
9. A device for fine particle separation screening as set forth in claim 1, wherein: the upper end of the second cyclone is higher than the upper end of the first cyclone.
10. A device for fine particle separation screening as set forth in claim 1, wherein: the double-cylinder separator and the vibrating screening machine are fixedly arranged on the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111164389.XA CN113694624A (en) | 2021-09-30 | 2021-09-30 | Be used for slight particle separation sieving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111164389.XA CN113694624A (en) | 2021-09-30 | 2021-09-30 | Be used for slight particle separation sieving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113694624A true CN113694624A (en) | 2021-11-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111164389.XA Pending CN113694624A (en) | 2021-09-30 | 2021-09-30 | Be used for slight particle separation sieving mechanism |
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| Country | Link |
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| CN (1) | CN113694624A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116272119A (en) * | 2023-05-24 | 2023-06-23 | 福建省德尚电子材料有限公司 | High-precision filtering equipment for photoresist |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203196892U (en) * | 2012-12-25 | 2013-09-18 | 中粮营养健康研究院有限公司 | Negative-pressure delivery and cooling device for distillers dried grains with solubles (DDGS) |
| CN204034883U (en) * | 2014-06-25 | 2014-12-24 | 太原锅炉集团环境工程有限公司 | A kind of cyclone separator |
| CN104785448A (en) * | 2015-04-21 | 2015-07-22 | 吉首大学 | Peanut pneumatic conveying and separating device |
| CN205761852U (en) * | 2016-05-23 | 2016-12-07 | 成都弗吉亚科技有限公司 | A kind of two stage cyclone cleaner unit |
| CN215742371U (en) * | 2021-09-30 | 2022-02-08 | 东莞市富锐百通科技制造有限公司 | Be used for slight particle separation sieving mechanism |
-
2021
- 2021-09-30 CN CN202111164389.XA patent/CN113694624A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203196892U (en) * | 2012-12-25 | 2013-09-18 | 中粮营养健康研究院有限公司 | Negative-pressure delivery and cooling device for distillers dried grains with solubles (DDGS) |
| CN204034883U (en) * | 2014-06-25 | 2014-12-24 | 太原锅炉集团环境工程有限公司 | A kind of cyclone separator |
| CN104785448A (en) * | 2015-04-21 | 2015-07-22 | 吉首大学 | Peanut pneumatic conveying and separating device |
| CN205761852U (en) * | 2016-05-23 | 2016-12-07 | 成都弗吉亚科技有限公司 | A kind of two stage cyclone cleaner unit |
| CN215742371U (en) * | 2021-09-30 | 2022-02-08 | 东莞市富锐百通科技制造有限公司 | Be used for slight particle separation sieving mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116272119A (en) * | 2023-05-24 | 2023-06-23 | 福建省德尚电子材料有限公司 | High-precision filtering equipment for photoresist |
| CN116272119B (en) * | 2023-05-24 | 2023-08-25 | 福建省德尚电子材料有限公司 | High-precision filtering equipment for photoresist |
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