CN106494891A - A kind of mineral grain eddy flow air-transport system - Google Patents
A kind of mineral grain eddy flow air-transport system Download PDFInfo
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- CN106494891A CN106494891A CN201611114081.3A CN201611114081A CN106494891A CN 106494891 A CN106494891 A CN 106494891A CN 201611114081 A CN201611114081 A CN 201611114081A CN 106494891 A CN106494891 A CN 106494891A
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- air
- air inlet
- pipe cyclone
- conveying pipeline
- accelerating chamber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/16—Gas pressure systems operating with fluidisation of the materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/58—Devices for accelerating or decelerating flow of the materials; Use of pressure generators
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
A kind of mineral grain eddy flow air-transport system, including feeder, feeding device, appendix, eddy flow generation system, supply pipe cyclone, accelerating chamber, conveying pipeline and material-gathering device；The gas outlet of feeder is connected with the supply air inlet of the air inlet and supply pipe cyclone of eddy flow generation system respectively, the gas outlet of eddy flow generation system is connected with the air inlet of accelerating chamber, the discharging opening of feeding device is connected with the charging aperture of accelerating chamber, the air and material outlet of accelerating chamber is connected with the air inlet material mouth of conveying pipeline, along the conveying pipeline of conveying direction, interval is uniformly arranged some supply pipe cyclones, and supply pipe cyclone is respectively provided with before every section of bend pipe of conveying pipeline, the air and material outlet of conveying pipeline is connected with the charging aperture of material-gathering device.The present invention can reduce the critical transporting velocity of mineral grain, slow down granule sedimentation and pipeline blockage, mitigate bent wear and Particle attrition, extend transfer pipeline service life, can achieve that mineral grain is safe efficient in pipeline and long-distance sand transport.
Description
Technical field
The present invention relates to Pneumatic Conveying Technology field, more particularly to a kind of can produce eddy flow and eddy flow is fed
Mineral grain air-transport system.
Background technology
Air conveying is solid particle material is carried out according to predetermined pipeline using the kinetic energy or pressure energy of air in pipeline
The means of transportation of conveying, the pressure state according to gas can be divided into malleation conveying and negative pressure transportation, according to material and gas
Mass ratio can be divided into diluted phase transport and Condensed transportation.Mineral grain Pneumatic Conveying Technology needs material safe in pipeline, high
Effect and long distance delivery, and it is significantly broken to ensure that material does not occur, and does not form pipeline blockage, generally selects positive Pressure Transportation System
Concentrated phase low speed is conveyed.Although Pneumatic Conveying Technology has, equipment is simple, taking up room little, flexible configuration and is easy to Automated condtrol
Etc. advantage, but as the granularity of mineral grain is larger, and shape difference is substantially, can produce very big in process of pneumatic transmission
Energy loss, and easily there is mineral grain deposition and the phenomenon such as pipeline blockage, while mineral grain collides meeting with pipeline
Cause pipeline abrasion and material to crush, affect the service life of transfer efficiency and induction system, these problems all to limit strength
Application of the conveying technology in mine field.
Eddy flow is air conveying as the effective way for slowing down granule sedimentation and pipeline blockage, by changing conveying in pipeline
The form of air-flow, obtains the eddy airstream combined by axial velocity and tangential velocity, realizes that conveying granule is transported according to spiral form
Dynamic.But, existing eddy flow conveying technology typically can only produce eddy flow in air flow inlet position, it is impossible to realize the rotation of course of conveying
Stream feeds, and the swirl strength for producing is difficult to adjust, it is difficult to adapt to the diversity requirement in mineral grain course of conveying, still
The problems such as being unable to effectively solving granule deposition, pipeline blockage, pipeline abrasion and broken material.
Content of the invention
The purpose of the present invention：There is provided one kind can reduce the critical transporting velocity of mineral grain, slow down granule sedimentation and pipeline
Blocking, mitigates bent wear and Particle attrition, extends the mineral grain eddy flow air-transport system of transfer pipeline service life.
For achieving the above object, concrete scheme of the invention is as follows：A kind of mineral grain eddy flow air-transport system, including
Feeder, feeding device, appendix, supply pipe cyclone, accelerating chamber, conveying pipeline and material-gathering device, feeder and accelerating chamber
Between be provided with eddy flow generation system；
Feeder includes that blower fan, air accumulator and exsiccator, feeding device include disintegrating machine, buffer bin and rotary feeder,
Eddy flow generation system includes gasotron and initial pipe cyclone along supply direction, initial pipe cyclone in the present invention and feeds
Spigot is the Chinese patent literature of published application 201610212206.X on the 06th of July in 2016, and " a kind of two-ways regulation is multiplex
Supply pipe cyclone in vortex flow supply pipe cyclone "；
The gas outlet of blower fan is connected with the air inlet of air accumulator, and the gas outlet of air accumulator is connected with the air inlet of exsiccator, is dried
The gas outlet of device is connected with the supply air inlet of the rectification air inlet and supply pipe cyclone of gasotron respectively by appendix,
The gas outlet of gasotron is connected with the primary air inlet of initial pipe cyclone, the gas outlet of initial pipe cyclone and the air inlet of accelerating chamber
Mouth connection；
Disintegrating machine, buffer bin and rotary feeder are arranged along feed direction from top to bottom, thick on the discharge end of buffer bin under
Carefully in cone barrel structure, the discharging opening of disintegrating machine is connected with the charging aperture of buffer bin, and the discharging opening of buffer bin is supplied with rotation
The charging aperture connection of glassware, the discharging opening of rotary feeder are connected with the charging aperture of accelerating chamber；
Accelerating chamber is three-port structure, and the air and material outlet of accelerating chamber is connected with the air inlet material mouth of conveying pipeline, if being provided with conveying pipeline
Dry supply pipe cyclone, each supply pipe cyclone are uniformly arranged along conveying direction interval, and are respectively provided with before every section of bend pipe of conveying pipeline
There are supply pipe cyclone, the air and material outlet of conveying pipeline to be connected with the air inlet material mouth of material-gathering device, air is from the gas outlet of material-gathering device
Discharge.
Preferably, initial pipe cyclone is located between gasotron and accelerating chamber, is adjusted and is entered controlled atmosphere in initial pipe cyclone
The axial location of section ring makes the first conical seal (contact) face of air inlet adjustment ring and the second cone seal of initial pipe cyclone inner walls
Space is left between face, and supply air inlet is provided with plug screw and is sealed by plug screw；
Feeder provides drying compressed air and enters gasotron, and drying compressed air is adjusted in gasotron
The air of regular flow, the air of regular flow are entered after initial pipe cyclone from primary air inlet, respectively enter axial flow passage
With eddy airstream passage, form air swirl and flow out from gas outlet, air swirl is entered and filled with mineral grain in accelerating chamber
Divide mixing, mineral grain is moved to material-gathering device direction along conveying pipeline according to spiral form in eddy flow field.
Preferably, the supply air inlet of each supply pipe cyclone is connected with the gas outlet of exsiccator by appendix, and adjustment is mended
The axial location of the air inlet adjustment ring in pipe cyclone makes first conical seal (contact) face and supply pipe cyclone housing of air inlet adjustment ring
The second conical seal (contact) face contact sealing of inwall；The air-flow of supply enters eddy airstream passage by air inlet is fed, and is formed tangential
Material gas mixed airflow in air-flow, with conveying pipeline converges.
Beneficial effects of the present invention：
1st, eddy flow generation system is provided between feeder and accelerating chamber, and air becomes drying compressed air via feeder,
Drying compressed air forms air swirl after entering eddy flow generation system, air swirl enters accelerating chamber；
Via feeding device, mineral grain realizes that, steadily at the uniform velocity and even into accelerating chamber, the mineral grain of even is accelerating
It is sufficiently mixed with air swirl in room, mineral grain is driven and moved to material-gathering device direction along conveying pipeline by eddy flow field,
Effectively reduce critical transporting velocity, reduce the energy requirement of induction system.
2nd, some supply pipe cyclones are provided with conveying pipeline, and each supply pipe cyclone is uniformly arranged along conveying direction interval；Mend
The air-flow that gives enters eddy airstream passage by air inlet is fed, and the material gas mixed airflow formed in tangential gas flow, with conveying pipeline converges
Close, strengthen the screw of mineral grain, it is to avoid swirl strength continuous decrement in due to conveying pipeline and cause mineral grain to sink
Product and pipeline blockage.
3rd, supply pipe cyclone is provided with before every section of bend pipe of conveying pipeline, and the air-flow of supply enters whirlpool by air inlet is fed
Rotational gas flow passage, forms tangential gas flow, to conveying pipeline in mineral grain produce disturbance, change the original speed of mineral grain,
Strengthen the mineral grain spread, can effectively slow down the frontal impact of granule and bend pipe wall, reduce grain breakage, make granule and
Tube wall is contacted evenly, weakens erosion of wall degree, extends the pipeline life-span.
Description of the drawings
Fig. 1 is the FB(flow block) of the present invention；
Fig. 2 is the structural representation of the present invention；
Fig. 3 is the structural representation of initial pipe cyclone；
Fig. 4 is the structural representation for feeding pipe cyclone.
Specific embodiment
As Figure 1-4, a kind of mineral grain eddy flow air-transport system of the invention, fills including feeder, feed
Put, appendix 4, supply pipe cyclone 12, accelerating chamber 10, conveying pipeline 11 and material-gathering device 14, between feeder and accelerating chamber 10
It is provided with eddy flow generation system；
Feeder includes that blower fan 1, air accumulator 2 and exsiccator 3, feeding device include that disintegrating machine 7, buffer bin 8 and rotation are supplied
Glassware 9, eddy flow generation system include gasotron 5 and initial pipe cyclone 6 along supply direction；
The gas outlet of blower fan 1 is connected with the air inlet of air accumulator 2, and the gas outlet of air accumulator 2 is connected with the air inlet of exsiccator 3,
Entered with the supply of the rectification air inlet and supply pipe cyclone 12 of gasotron 5 by appendix 4 respectively the gas outlet of exsiccator 3
QI KOU 24 connects, and the gas outlet of gasotron 5 is connected with the primary air inlet of initial pipe cyclone 6, the gas outlet of initial pipe cyclone 6
It is connected with the air inlet of accelerating chamber 10；
Disintegrating machine 7, buffer bin 8 and rotary feeder 9 are arranged along feed direction from top to bottom, on the discharge end of buffer bin 8
Thick lower is in carefully cone barrel structure, and the discharging opening of disintegrating machine 7 is connected with the charging aperture of buffer bin 8, the discharging opening of buffer bin 8 and
The charging aperture connection of rotary feeder 9, the discharging opening of rotary feeder 9 are connected with the charging aperture of accelerating chamber 10；
Accelerating chamber 10 is three-port structure, and the air and material outlet of accelerating chamber 10 is connected with the air inlet material mouth of conveying pipeline 11, on conveying pipeline 11
Some supply pipe cyclones 12 are provided with, each supply pipe cyclone 12 is uniformly arranged along conveying direction interval, and in the every of conveying pipeline 11
Supply pipe cyclone 12 is provided with before section bend pipe, and the air and material outlet of conveying pipeline 11 is connected with the air inlet material mouth of material-gathering device 14, empty
Gas is discharged from the gas outlet of material-gathering device 14.
Preferably, initial pipe cyclone 6 is located between gasotron 5 and accelerating chamber 10, adjusts entering in initial pipe cyclone 6
The axial location of gas regulation ring 22 makes the first conical seal (contact) face 17 of air inlet adjustment ring 22 and the of 6 inner walls of initial pipe cyclone
Space is left between two conical seal (contact) faces 16, and supply air inlet 18 is provided with plug screw 19 and is sealed by plug screw 19；
Feeder provides drying compressed air and enters gasotron 5, and drying compressed air is adjusted in gasotron 5
For the air of regular flow, the air of regular flow is entered after initial pipe cyclone 6 from primary air inlet 15, respectively enters axial flow
Passage 20 and eddy airstream passage 23, form air swirl and flow out from gas outlet 21, with ore deposit in air swirl entrance accelerating chamber 10
Composition granule is sufficiently mixed, make mineral grain in eddy flow field according to spiral form along conveying pipeline 11 to 14 direction of material-gathering device
Motion.
Preferably, the supply air inlet 24 of each supply pipe cyclone 12 is connected with the gas outlet of exsiccator 3 by appendix 4,
The axial location of the air inlet adjustment ring 27 in adjustment supply pipe cyclone 12 make the first conical seal (contact) face 26 of air inlet adjustment ring 27 with
The contact sealing of second conical seal (contact) face 28 of supply 12 inner walls of pipe cyclone；The air-flow of supply enters whirlpool by air inlet 24 is fed
Rotational gas flow passage 25, the material gas mixed airflow formed in tangential gas flow, with conveying pipeline 11 converge.
The present invention the course of work be：
Air enters air accumulator 2 by blower fan 1 and forms compressed air, and compressed air is again via entrance eddy flow after the drying of exsiccator 3
Generation system, eddy flow generation system include gasotron 5 and initial pipe cyclone 6 along supply direction, adjust in initial pipe cyclone 6
The axial location of air inlet adjustment ring 22 make the first conical seal (contact) face 17 and 6 inner walls of initial pipe cyclone of air inlet adjustment ring 22
The second conical seal (contact) face 16 between leave space, the supply air inlet 18 of initial pipe cyclone 6 is sealed by plug screw 19, dry compression
Air carries out rectification by gasotron 5 first and is adjusted to the air of regular flow, and the air of regular flow enters from master
QI KOU 15 enters initial pipe cyclone 6, and air respectively enters axial flow passage 20 and eddy airstream passage in initial pipe cyclone 6
23, form air swirl and flow out from gas outlet 21, enter accelerating chamber 10；
Disintegrating machine 7 is tentatively crushed to mineral grain, and realizes that homogeneous material is put down through buffer bin 8 and rotary feeder 9
The steady accelerating chamber 10 at the uniform velocity entering in induction system；In accelerating chamber 10, air swirl is sufficiently mixed with mineral grain, is made
Mineral grain is moved to 14 direction of material-gathering device along conveying pipeline 11 according to spiral form in eddy flow field；
Some supply pipe cyclones 12 are provided with conveying pipeline 11, and each supply pipe cyclone 12 is uniformly arranged along conveying direction interval；Respectively
The supply air inlet 24 of supply pipe cyclone 12 is connected with the gas outlet of exsiccator 3 by appendix 4, in adjustment supply pipe cyclone 12
The axial location of air inlet adjustment ring 27 make in the first conical seal (contact) face 26 of air inlet adjustment ring 27 and supply 12 housing of pipe cyclone
The contact sealing of second conical seal (contact) face 28 of wall, the air-flow of supply enter eddy airstream passage 25 by air inlet 24 is fed, are formed
Material gas mixed airflow in tangential gas flow, with conveying pipeline 11 converges, and strengthens the screw of mineral grain, it is to avoid due to conveying pipeline
Swirl strength continuous decrement in 11 and cause mineral grain deposition and pipeline blockage；
Supply pipe cyclone 12 is provided with before every section of bend pipe of conveying pipeline 11；The supply air inlet 24 of supply pipe cyclone 12 passes through
Appendix 4 is connected with the gas outlet of exsiccator 3, and the axial location of the air inlet adjustment ring 27 in adjustment supply pipe cyclone 12 makes air inlet
First conical seal (contact) face 26 of regulation ring 27 contacts sealing with the second conical seal (contact) face 28 of supply 12 inner walls of pipe cyclone, mends
The air-flow that gives enters eddy airstream passage 25 by air inlet 24 is fed, and forms tangential gas flow, to the mineral grain in conveying pipeline 11
Disturbance is produced, is changed the original speed of mineral grain, is strengthened the mineral grain spread, can effectively slow down granule and bend pipe wall
Frontal impact, reduce grain breakage, make granule contact with tube wall evenly, decrease erosion of wall degree, prolongation the pipeline life-span.
Above example is only in order to illustrative and not limiting technical scheme, although reference above-described embodiment is to this
Bright be described in detail, it will be understood by those within the art that：Still the present invention can be modified or be waited
With replacing, any modification or partial replacement without departing from the spirit and scope of the present invention, its all should cover the power in the present invention
In the middle of sharp claimed range.
Claims (3)
1. a kind of mineral grain eddy flow air-transport system, it is characterised in that：Including feeder, feeding device, appendix, benefit
To pipe cyclone, accelerating chamber, conveying pipeline and material-gathering device, eddy flow generation system between feeder and accelerating chamber, is provided with；
Feeder includes that blower fan, air accumulator and exsiccator, feeding device include disintegrating machine, buffer bin and rotary feeder,
Eddy flow generation system includes gasotron and initial pipe cyclone along supply direction；
The gas outlet of blower fan is connected with the air inlet of air accumulator, and the gas outlet of air accumulator is connected with the air inlet of exsiccator, is dried
The gas outlet of device is connected with the supply air inlet of the rectification air inlet and supply pipe cyclone of gasotron respectively by appendix,
The gas outlet of gasotron is connected with the primary air inlet of initial pipe cyclone, the gas outlet of initial pipe cyclone and the air inlet of accelerating chamber
Mouth connection；
Disintegrating machine, buffer bin and rotary feeder are arranged along feed direction from top to bottom, thick on the discharge end of buffer bin under
Carefully in cone barrel structure, the discharging opening of disintegrating machine is connected with the charging aperture of buffer bin, and the discharging opening of buffer bin is supplied with rotation
The charging aperture connection of glassware, the discharging opening of rotary feeder are connected with the charging aperture of accelerating chamber；
Accelerating chamber is three-port structure, and the air and material outlet of accelerating chamber is connected with the air inlet material mouth of conveying pipeline, if being provided with conveying pipeline
Dry supply pipe cyclone, each supply pipe cyclone are uniformly arranged along conveying direction interval, and are respectively provided with before every section of bend pipe of conveying pipeline
There are supply pipe cyclone, the air and material outlet of conveying pipeline to be connected with the air inlet material mouth of material-gathering device.
2. a kind of mineral grain eddy flow air-transport system according to claim 1, it is characterised in that：Initial pipe cyclone sets
Between gasotron and accelerating chamber, the axial location for adjusting the air inlet adjustment ring in initial pipe cyclone makes air inlet adjustment ring
Space is left between second conical seal (contact) face of the first conical seal (contact) face and initial pipe cyclone inner walls, and supply air inlet is provided with
Plug screw is simultaneously sealed by plug screw；
Feeder provides drying compressed air and enters gasotron, and drying compressed air is adjusted in gasotron
The air of regular flow, the air of regular flow are entered after initial pipe cyclone from primary air inlet, respectively enter axial flow passage
With eddy airstream passage, form air swirl and flow out from gas outlet, air swirl is entered and filled with mineral grain in accelerating chamber
Divide mixing, mineral grain is moved to material-gathering device direction along conveying pipeline according to spiral form in eddy flow field.
3. a kind of mineral grain eddy flow air-transport system according to claim 1, it is characterised in that：Each supply pipe cyclone
Supply air inlet be connected with the gas outlet of exsiccator by appendix, adjust feed pipe cyclone in air inlet adjustment ring axial direction
Position makes the first conical seal (contact) face of air inlet adjustment ring contact sealing with the second conical seal (contact) face of supply pipe cyclone inner walls；
The air-flow of supply enters eddy airstream passage by air inlet is fed, and forms tangential gas flow, mixes with the material gas in conveying pipeline
Air-flow converges.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611114081.3A CN106494891A (en) | 2016-12-07 | 2016-12-07 | A kind of mineral grain eddy flow air-transport system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611114081.3A CN106494891A (en) | 2016-12-07 | 2016-12-07 | A kind of mineral grain eddy flow air-transport system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108726183A (en) * | 2018-04-16 | 2018-11-02 | 中国矿业大学 | A kind of coal Geldart-D particle eddy flow dust trapping device |
| CN109048678A (en) * | 2018-06-26 | 2018-12-21 | 东莞市联洲知识产权运营管理有限公司 | A kind of mold air nozzle |
| CN109436807A (en) * | 2018-12-11 | 2019-03-08 | 马鞍山意泰诺环保科技有限公司 | Horizontal fluidised device for low-pressure pneumatic conveying |
| CN111362002A (en) * | 2020-03-25 | 2020-07-03 | 济南黄台煤气炉有限公司 | Pneumatic conveying system for high-temperature air of pulverized coal |
| CN112474093A (en) * | 2020-11-23 | 2021-03-12 | 中国科学技术大学 | Jet flow range extending method and device based on composite flow cooperation |
| CN113405951A (en) * | 2021-05-07 | 2021-09-17 | 安徽省金标准检测研究院有限公司 | Sample conveying device applied to dust laser detection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108726183A (en) * | 2018-04-16 | 2018-11-02 | 中国矿业大学 | A kind of coal Geldart-D particle eddy flow dust trapping device |
| WO2019200696A1 (en) * | 2018-04-16 | 2019-10-24 | 中国矿业大学 | Coal pneumatic conveying swirling flow dust catching device |
| CN109048678A (en) * | 2018-06-26 | 2018-12-21 | 东莞市联洲知识产权运营管理有限公司 | A kind of mold air nozzle |
| CN109436807A (en) * | 2018-12-11 | 2019-03-08 | 马鞍山意泰诺环保科技有限公司 | Horizontal fluidised device for low-pressure pneumatic conveying |
| CN111362002A (en) * | 2020-03-25 | 2020-07-03 | 济南黄台煤气炉有限公司 | Pneumatic conveying system for high-temperature air of pulverized coal |
| CN112474093A (en) * | 2020-11-23 | 2021-03-12 | 中国科学技术大学 | Jet flow range extending method and device based on composite flow cooperation |
| CN113405951A (en) * | 2021-05-07 | 2021-09-17 | 安徽省金标准检测研究院有限公司 | Sample conveying device applied to dust laser detection |
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Application publication date: 20170315 |