CN105344602B - Multi-stage microparticle vacuum screening device - Google Patents
Multi-stage microparticle vacuum screening device Download PDFInfo
- Publication number
- CN105344602B CN105344602B CN201510730688.3A CN201510730688A CN105344602B CN 105344602 B CN105344602 B CN 105344602B CN 201510730688 A CN201510730688 A CN 201510730688A CN 105344602 B CN105344602 B CN 105344602B
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- Prior art keywords
- screen drum
- microparticle
- motor
- particle
- screen
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Classifications
-
- 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
- B07B9/02—Combinations of similar or different apparatus for separating solids from solids using gas currents
-
- 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
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/02—Arrangement of air or material conditioning accessories
Abstract
The invention provides a multi-stage microparticle vacuum screening device. The multi-stage microparticle vacuum screening device comprises a screen drum, a material crushing unit, a raising and stirring unit and a separation unit which are all horizontally arranged. The material crushing unit comprises a material crushing pipe, a motor A and a material crushing roller set. A discharge port of the material crushing pipe is communicated with a feed port of the screen drum. The raising and stirring unit comprises a motor B, an air blower and a material stirring rod set. The material stirring rod set is horizontally arranged and located below the feed port of the screen drum. The separation unit comprises a motor C, a centrifugal draught fan, a dust removal cover, a transverse shaft and two or more separation assemblies fixed to the transverse shaft. The center draught fan is installed at the right end in the screen drum. An air outlet of the centrifugal draught fan is covered with the dust removal cover. The transverse shaft is horizontally installed in the axial direction of the drum shaft of the screen drum. The right end of the transverse shaft is connected with the motor C. The left end of the transverse shaft is fixed to the dust removal cover. Each separation assembly is composed of a screen and a material brush. The vacuum screening device performs separation with differential pressure being power and can be used for separating microparticle substances which have the particle size smaller than 1000 meshes and cannot be easily separated through gravity, and the minimum separation particle size can reach 2000 meshes.
Description
Technical field
The present invention relates to a kind of screening plant for microparticle, belongs to screening apparatus technical field.
Background technology
Artificial core is the basic medium of reservoir physical analogy, and efficient, accurate point of the sand mud material to different-grain diameter
Choosing is then the premise for preparing artificial core.In the preparation process of artificial core, in order that every physicochemical characteristic of rock core
True core is more nearly, the fine emulation to different lithology is met and is portrayed, can often be related to particulate of the particle diameter less than 1000 mesh
Material.Such material individual particle particle diameter is little, quality is little, and gravity acts on very little to it, and what is played a major role is molecule
Intermolecular forces, the conventional sorting mode based on gravity has not obviously been applied to this grade.Carry out point by medium auxiliary of water
Choosing has certain effect, but the efficiency of separation is low, it is impossible to while multipass sort is carried out, and later stage solid-liquid separation effect is difficult to protect
Card.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, and a kind of multistage microparticle vacuum screening plant is provided,
The vacuum screening plant is horizontally disposed, and by centrifugal blower dynamic vacuum in device is maintained, and pressure reduction is carried out as power with device
Sorting, it is to avoid the sorting failure caused because material particles are meticulous, while avoiding being difficult to dry problem after material water is wet.
Technical scheme that the object of the invention adopted is realized for a kind of, multistage microparticle vacuum screening plant, including bringing into
The screen drum of material mouth and discharging opening, particle unit, raise and stir unit and separation unit, the screen drum is horizontally disposed, raise stir unit with point
Menu unit is respectively arranged in right side and left side inside screen drum, and the discharging opening of screen drum is located at separation unit lower section, particle unit peace
Loaded on connecting on screen drum right side and with screen drum charging aperture;The particle unit includes particle pipe, is installed on particle pipe
Motor A and the particle roller group rotated by motor A drivings being installed on inside particle pipe, discharging opening and the screen drum of particle pipe enter
Material mouth is connected;Described raising stirs unit including motor B, air blast and the stirring bar group driven by motor B, the stirring bar group
It is horizontally disposed and in the lower section of screen drum charging aperture, stirring bar group each stirring bar end be connected and radially distribute;
The separation unit is fixed on horizontal stroke including motor C, centrifugal blower, dust excluding hood, the transverse axis driven by motor C and more than 2 groups
Sorting component on axle, centrifugal blower is installed on the right-hand member inside screen drum, and dust excluding hood is covered on the air outlet of centrifugal blower, the horizontal stroke
Axle is axially horizontally mounted along screen drum, and its right-hand member is connected with motor C, left end is fixed on dust excluding hood, and the sorting component is by sieving
Net and material brush are constituted, and from right to left order reduces the mesh size of screen cloth in each group sorting component, and screen cloth is opened by its center
If installing hole and the bearing in installing hole be vertically installed on transverse axis, side and the screen drum inner surface of screen cloth connect
Touch, material brush is located at screen cloth and touches on the side of screen drum charging aperture and with screen cloth virtual connection, wherein one end and the horizontal stroke of material brush
Axle connects, drives rotation by transverse axis.
It is provided with below screen drum discharging opening and sorting component quantity identical feeding cabin, the bulkhead in feeding cabin is provided with cabin
Door.
The barrel of the screen drum part that separation unit is located is successively decreased from right to left by and caliber identical with sorting component quantity
Round table-like pipe connected and composed with flange by sealing ring, screen drum is provided with and sorting component quantity identical discharging opening, each discharging
Mouth is respectively arranged in the bottom of each round table-like pipe.
Sealed by felt collar and circlip between screen cloth installing hole and transverse axis.
Spiral spray airduct is communicated with the air outlet of air blast, the spiral spray airduct in the shape of a spiral, is spaced thereon
More than 2 exhaust vents are offered, spiral spray airduct is horizontally mounted, each exhaust vent is upward.
Horizontal positioned is provided with below stirring bar group stirs material base plate, and the edge and raising for screen drum for stirring material base plate stirs unit peace
The barrel virtual connection in dress area is touched, and is raised and is stirred unit installing zone and be divided into Yang Jiao areas and the installing zone being disposed below by stirring material base plate,
It is the recessed annular slab in middle part to stir material base plate, and annular filter screen of the mesh size not less than 2500 mesh is provided with its interstitial hole, electronic
Machine B, air blast and spiral spray airduct are respectively positioned in installing zone, and spiral spray airduct is located at immediately below annular filter screen.
The stirring bar group is made up of vertical pivot and 2 stirring bars, stirring bar tilt upward in the horizontal direction and with stir material
Base plate virtual connection is touched, and its lower end is connected by key with vertical pivot, and vertical pivot is located at the spiral center of spiral spray airduct.
The air blast is made up of blast main and the impeller being installed in blast main, and spiral spray airduct connects with blast main
Logical, the wheel shaft of impeller is connected by belt with the rotating shaft of motor B.
Port lid is provided with the aperture of screen drum charging aperture, port lid is located inside screen drum, and its upper end is by bearing pin and aperture
The barrel on top is hinged.
The particle roller group is made up of the particle roller of two parallel installations, and two particle rollers are passed by the tooth engagement on surface
Dynamic, motor A drives two particle rollers to rotate by gear train.
As shown from the above technical solution, the multistage microparticle vacuum screening plant that the present invention is provided, is entered using vacuum principle
Row screening, main body horizontal direction arrangement, it is to avoid gravity factor affects the sorting quality of device, and its apparatus main body is by three unit structures
Into respectively:1st, particle unit, including particle pipe, motor A and particle roller group, particle roller group is installed on particle pipe inside simultaneously
And rotation is driven by motor A, and the large scale material of input particle pipe is crushed, discharging opening and the screen drum of particle pipe feed
Mouth connection, the material after crushing is entered in screen drum by screen drum charging aperture;2nd, raise and stir unit, including motor B, air blast and by
Motor B drive stirring bar group, stirring bar group it is horizontally disposed and integrally be in radial line, stirring bar group is motor B's
Drive lower rotation, by fall in screen drum it is broken after material agitation, while material blowing of the air blast to agitation, after crushing
Particle diameter forms air suspended things in wind and in the presence of stirring less than the microparticle material of 1000 mesh in screen drum in material;3rd, divide
Menu is first, including motor C, centrifugal blower, dust excluding hood, transverse axis and more than 2 groups are used to sieve the sorting component of air suspended things,
Centrifugal blower is installed on the right-hand member inside screen drum, for screen drum to be vacuumized and maintains dynamic vacuum in screen drum, in screen drum
Form pressure reduction, be to ensure sorting quality and the efficiency of separation, pressure reduction preferably 800~2000pa, air suspended things pressure difference act on to
The lateral movement of centrifugal blower one, through multipass sort component sorting is completed, and dust excluding hood is covered on the air outlet of centrifugal blower, for inhaling
Receive dust remaining dust Jing after the screening of multipass sort component, it is to avoid pollution external environment, transverse axis is driven and edge by motor C
Through inside screen drum, sorting component is made up of horizontal direction screen cloth and material brush, wherein material brush be connected with transverse axis and by
Transverse axis is rotated, and for being formed about fine motion air-flow with group screen cloth, is easy to the carrying out for sorting, and screen cloth is by bearing along vertically
Direction is installed on transverse axis, for sieving the microparticle of different-grain diameter.
The screen drum that the present invention is provided, for material sorting part be designed as that barrel dliameter successively decreases from right to left it is round table-like, i.e.,
Less the closer to centrifugal blower barrel dliameter, the structure can accelerate flow velocity of the air suspended things between sorting component, improve sorting
Speed;The barrel of the round table-like part of screen drum is connected structure by sealing ring by with the round table-like pipe of sorting component quantity identical with flange
Into, only need to remove the round table-like pipe in part when changing screen cloth, it is easy to the replacing of screen cloth;For ensure screening quality, screen cloth with
Gap between transverse axis is sealed by felt collar and circlip, and screen cloth is in close contact with screen drum barrel, effectively prevents greater particle size
Microparticle is entered compared with the sorting area of small particle microparticle from gap.
Horizontal positioned is provided with below stirring bar group stirs material base plate, and the edge and raising for screen drum for stirring material base plate stirs unit peace
The barrel virtual connection in dress area is touched, and is raised and is stirred unit installing zone and be divided into Yang Jiao areas and the installing zone being disposed below by stirring material base plate,
Motor B, air blast and spiral spray airduct are respectively positioned in installing zone, it is to avoid raised the fine particle for stirring and entered motor B and drum
Damage equipment in blower fan, connects the spiral spray airduct being horizontally mounted on the air outlet of air blast, spiral spray airduct is helically
Shape, is spaced opens up multiple opening up exhaust vents thereon, and moving air flows out from each exhaust vent, forms disorderly in Yang Jiao areas
Stream, it is ensured that the microparticle after broken in material is fully kicked up in the presence of blower fan;The pivot of stirring bar group is vertical pivot position
In the spiral center of spiral spray airduct so that stirring bar group is optimal to the mixing effect of material and air suspended things;Stir
Material base plate is used to accept not stirring sufficient material completely simultaneously, and it is the recessed annular slab in middle part to stir material base plate, in its interstitial hole
Annular filter screen of the mesh size not less than 2500 mesh is provided with, filter screen can tentatively remove microparticle of the mesh number not less than 2500 mesh, subtract
Little dust excluding hood except dust quantity, it is to avoid dust excluding hood block, spiral spray airduct be located at filter screen immediately below, be easy to air-supply;Air vane
The wheel shaft of wheel is connected by belt with the rotating shaft of motor B, i.e. motor B provides power for the operation of blower fan, reduces whole dress
The power consumption put.
Port lid is provided with the aperture of screen drum charging aperture, port lid is located inside screen drum, and its upper end is by bearing pin and aperture
The barrel on top is hinged, and port lid covers aperture automatically after the completion of charging, and material is raised from charging aperture in anti-locking apparatus operation
Go out outside screen drum.
Compared with prior art, the multistage microparticle vacuum screening plant that the present invention is provided, has an advantage in that:
1st, the vacuum screening plant that the present invention is provided is sieved using vacuum principle, with pressure reduction to sort power, is broken
Conventional sorting instrument fundamentally avoids the sorting that gravity separation is caused because material particles are meticulous from losing by the form of gravity separation
Lose it is wet with waterpower sorting material water after be difficult to dry problem, filled up the blank of prior art;
2nd, the present invention provide vacuum screening plant can be used for particle diameter less than 1000 mesh, by gravity be difficult to sort
Microparticle material, minimum sorting granularity is up to 2000 mesh;
3rd, the present invention provide vacuum screening plant simple structure, device collection particle, multipass sort, be collected in one, work
Make efficiency high, and ensure clean environment.
4th, in the vacuum screening plant that the present invention is provided, separating sieves at different levels can be changed individually, realize many of multilevel screen
Combination is planted, requirement of the test to different grain size combination is met.
Description of the drawings
The structural representation of the multistage microparticle vacuum screening plant that Fig. 1 is provided for the present invention.
Fig. 2 is the structural representation one of particle unit.
Fig. 3 is the structural representation two of particle unit.
Fig. 4 is to raise the local structural graph for stirring unit.
Fig. 5 is the structural representation of spiral spray airduct.
Fig. 6 is the mounting structure figure of sorting component.
Wherein, 1- centrifugal blowers, 2- centrifugal fan air outlets, 3- dust excluding hoods, 4- transverse axis, 5- screen clothes, 6- flanges, 7- materials
Brush, the round table-like pipes of 8-, 9- motor C, 10- screen drums, 11- particle pipes, 12- port lids, 13- vent windows, 14- spiral spray airducts,
15- shaft couplings, 16- motor B, 17- belts, 18- impellers, 19- blast mains, 20- cabin doors, 21- stirring bar groups, 22- hatch doors,
23- discharging openings, 24- feedings cabin, 25- motor A, 26- bearings, 27- felt collars, 28- keys, 29- circlips, 30- stirring bars,
31- vertical pivots, 32- stirs material base plate, 33- baffle plates, 34- annular filter screens, 35- gear trains, 36- particle rollers, 37- exhaust vents.
Specific embodiment
The present invention is illustrated in detail with reference to the accompanying drawings and examples, present disclosure is not limited to following
Embodiment.
The multistage microparticle vacuum screening plant that the present invention is provided, its structure is as shown in figure 1, including band charging aperture and discharging
Mouthfuls 23 screen drum 10, particle unit, raise and stir unit and separation unit, the screen drum is horizontally disposed, raises and stirs unit and separation unit
The right side and left side being respectively arranged in inside screen drum, particle unit is installed on screen drum right side and connects with screen drum charging aperture
Logical, the discharging opening 23 of screen drum is located at separation unit lower section, is provided with below and discharging opening quantity identical feeding cabin 24, feeding cabin
Bulkhead be provided with hatch door 22, be provided with port lid 12 at the aperture of screen drum charging aperture, port lid is located inside screen drum, and its upper end leads to
Cross bearing pin to be hinged with the barrel on aperture top;
Referring to Fig. 2 and Fig. 3, the particle unit includes particle pipe 11, the motor A25 being installed on particle pipe and installation
The particle roller group for rotating is driven by motor A inside particle pipe, the discharging opening of particle pipe is connected with screen drum charging aperture, described
Particle roller group is made up of the particle roller 36 of two parallel installations, the tooth engaged transmission that two particle rollers pass through surface, motor A25
Two particle rollers are driven to rotate by gear train 35;
Referring to Fig. 4, raise and stir unit including motor B16, air blast, spiral spray airduct 14, stirring bar group 21 and be located at
Material base plate 32 is stirred below stirring bar group, stir material base plate 32, edge and the screen drum for stirring material base plate raises the cylinder for stirring unit installing zone
Wall virtual connection is touched, and is raised and is stirred unit installing zone and be divided into Yang Jiao areas and the installing zone being disposed below by stirring material base plate, motor B,
Air blast and spiral spray airduct are respectively positioned in installing zone, and the material base plate that stirs is the recessed annular slab in middle part, in its interstitial hole
Annular filter screen 34 of the mesh size not less than 2500 mesh is provided with, spiral spray airduct 14 is communicated on the air outlet of air blast, is joined
See Fig. 5, in the shape of a spiral, thereon interval offers more than 2 exhaust vents 37, spiral spray airduct water to the spiral spray airduct 14
Safety loaded on immediately below annular filter screen and each exhaust vent 37 upward, stirring bar group is horizontally disposed and positioned at screen drum charging aperture
Lower section, the stirring bar group is made up of vertical pivot 31 and 2 stirring bars 30, and vertical pivot 31 is driven and positioned at spiral by motor B
The spiral center of injection airduct, each stirring bar 30 tilts upward in the horizontal direction and radially distributes, its upper end with stir material
Base plate virtual connection is touched, lower end is connected by key 28 with vertical pivot 31, and the air blast is by blast main 19 and the leaf being installed in blast main
Wheel 18 is constituted, and spiral spray airduct 14 is connected with blast main 19, and the wheel shaft of impeller 18 is connected by belt 17 with the rotating shaft of motor B
Connect, raise stir offer on the unit installing zone bottom i.e. barrel of installing zone place part for ventilation vent window 13 and for more
Change and raise the cabin door 20 for stirring each component of unit;
The separation unit includes motor C9, centrifugal blower 1, dust excluding hood 3, the transverse axis 4 driven by motor C and 2 groups
Sorting component on transverse axis is more than fixed on, centrifugal blower is installed on the right-hand member inside screen drum, and dust excluding hood covers in centrifugal blower air-out
On mouth 2, the transverse axis is axially horizontally mounted along screen drum, and its right-hand member is connected with motor C, left end is fixed on dust excluding hood, sorting
The barrel of the screen drum part that unit is located is led to by the round table-like pipe 8 that and caliber identical with sorting component quantity successively decreases from right to left
Cross sealing ring to connect and compose with flange 6, screen drum is provided with and sorting component quantity identical discharging opening 23, and each discharging opening is respectively mounted
In the bottom of each round table-like pipe, the sorting component is made up of screen cloth 5 and material brush 7, the mesh of screen cloth in each group sorting component
From right to left order reduces size, participates in Fig. 6, the installing hole that screen cloth is opened up by its center and the bearing 26 in installing hole
Vertically it is installed on transverse axis 4, is sealed by felt collar 27 and circlip 29 between screen cloth installing hole and transverse axis, screen cloth
Side contacts with screen drum inner surface, and material brush is located at screen cloth and touches on the side of screen drum charging aperture and with screen cloth virtual connection, thing
Wherein one end of material brush is connected with transverse axis, drives rotation by transverse axis.
Claims (10)
1. a kind of multistage microparticle vacuum screening plant, it is characterised in that:Including the screen drum with charging aperture and discharging opening, particle list
Unit, raise and stir unit and separation unit, the screen drum is horizontally disposed, raise and stir unit and separation unit and be respectively arranged in inside screen drum
Right side and left side, the discharging opening of screen drum is located at separation unit lower section, and particle unit is installed on screen drum right side and and screen drum
Charging aperture is connected;The particle unit includes particle pipe, the motor A being installed on particle pipe and is installed on inside particle pipe
The particle roller group for rotating, the discharging opening of particle pipe is driven to connect with screen drum charging aperture by motor A;Described raising stirs unit including electricity
Motivation B, air blast and the stirring bar group driven by motor B, the stirring bar group is horizontally disposed and positioned at screen drum charging aperture
Lower section, in stirring bar group each stirring bar end be connected and radially distribute;The separation unit include motor C, from
Heart blower fan, dust excluding hood, the transverse axis driven by motor C and more than 2 groups are fixed on sorting component on transverse axis, and centrifugal blower is installed on
Right-hand member inside screen drum, dust excluding hood is covered on the air outlet of centrifugal blower, and the transverse axis is axially horizontally mounted along screen drum, its right-hand member
It is connected with motor C, left end is fixed on dust excluding hood, the sorting component is made up of screen cloth and material brush, each group sorting component
The order reduction from right to left of the mesh size of middle screen cloth, the installing hole that screen cloth is opened up by its center and the axle in installing hole
Hold and be vertically installed on transverse axis, the side of screen cloth contacts with screen drum inner surface, and material brush enters positioned at screen cloth near screen drum
Touch on the side of material mouth and with screen cloth virtual connection, wherein one end of material brush is connected with transverse axis, drives rotation by transverse axis.
2. multistage microparticle vacuum screening plant according to claim 1, it is characterised in that:Set below screen drum discharging opening
Have and sorting component quantity identical feeding cabin, the bulkhead in feeding cabin is provided with hatch door.
3. multistage microparticle vacuum screening plant according to claim 1, it is characterised in that:The screen drum that separation unit is located
Partial barrel passes through sealing ring and flange by the round table-like pipe that and caliber identical with sorting component quantity successively decreases from right to left
Connect and compose, screen drum is provided with and sorting component quantity identical discharging opening, each discharging opening is respectively arranged under each round table-like pipe
Portion.
4. multistage microparticle vacuum screening plant according to claim 1, it is characterised in that:Screen cloth installing hole and transverse axis it
Between sealed by felt collar and circlip.
5. multistage microparticle vacuum screening plant according to claim 1, it is characterised in that:Connect on the air outlet of air blast
Spiral spray airduct is connected with, in the shape of a spiral, thereon interval offers more than 2 exhaust vents, spiral spray to the spiral spray airduct
Penetrate airduct to be horizontally mounted, each exhaust vent is upward.
6. multistage microparticle vacuum screening plant according to claim 5, it is characterised in that:It is provided with below stirring bar group
Horizontal positioned stirs material base plate, stirs raising for the edge of material base plate and screen drum and stirs the barrel virtual connection of unit installing zone and touch, and raises and stirs unit
Installing zone is divided into Yang Jiao areas and the installing zone being disposed below by stirring material base plate, and it is the recessed annular in middle part to stir material base plate
Plate, is provided with annular filter screen of the mesh size not less than 2500 mesh, motor B, air blast and spiral spray airduct in its interstitial hole
In being respectively positioned on installing zone, spiral spray airduct is located at immediately below annular filter screen.
7. multistage microparticle vacuum screening plant according to claim 6, it is characterised in that:The stirring bar group is by vertical pivot
Constitute with 2 stirring bars, stirring bar is tilted upward in the horizontal direction and touched with the virtual connection of material base plate is stirred, and its lower end passes through key and erects
Axle connects, and vertical pivot is located at the spiral center of spiral spray airduct.
8. multistage microparticle vacuum screening plant according to claim 5, it is characterised in that:The air blast is by blast main
Constitute with the impeller that is installed in blast main, spiral spray airduct is connected with blast main, the wheel shaft of impeller pass through belt with it is electronic
The rotating shaft connection of machine B.
9. multistage microparticle vacuum screening plant according to claim 1, it is characterised in that:Positioned at the hole of screen drum charging aperture
Port lid is provided with mouthful, port lid is located inside screen drum, and its upper end is hinged by bearing pin with the barrel on aperture top.
10. multistage microparticle vacuum screening plant according to claim 1, it is characterised in that:The particle roller group is by two
The particle roller of the parallel installation of root is constituted, and the tooth engaged transmission that two particle rollers pass through surface, motor A drives two by gear train
Root particle roller is rotated.
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CN201510730688.3A CN105344602B (en) | 2015-10-30 | 2015-10-30 | Multi-stage microparticle vacuum screening device |
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CN201510730688.3A CN105344602B (en) | 2015-10-30 | 2015-10-30 | Multi-stage microparticle vacuum screening device |
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CN105344602A CN105344602A (en) | 2016-02-24 |
CN105344602B true CN105344602B (en) | 2017-04-19 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN105750203B (en) * | 2016-03-18 | 2017-12-22 | 盐城市自强化纤机械有限公司 | Multistage sieve with blower material equipment |
CN106423871B (en) * | 2016-12-06 | 2018-12-18 | 百奥森(江苏)食品安全科技有限公司 | A kind of grain gravity separation device |
CN108057620A (en) * | 2017-12-12 | 2018-05-22 | 刘翠玲 | A kind of agricultural high-efficiency overturns device of winnowing |
CN108421645B (en) * | 2018-03-26 | 2019-12-13 | 中南大学湘雅三医院 | Medical science bacterium multistage separation screening system |
CN109622175B (en) * | 2018-11-28 | 2022-03-18 | 上海化工研究院有限公司 | Powder grading system |
CN111822349B (en) * | 2020-07-08 | 2022-07-08 | 山东中合果蔬食品有限公司 | Thorn removing and impurity removing device for fruits with thorns |
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US5392998A (en) * | 1992-07-18 | 1995-02-28 | Kloeckner-Humboldt-Deutz Ag | Sifter for sifting granular material and grinding system with insertion of such a sifter |
CN2231946Y (en) * | 1995-09-27 | 1996-07-31 | 王真虎 | Farm screening-separating machine |
CN101185935A (en) * | 2007-12-17 | 2008-05-28 | 曹时宜 | Method and apparatus for recovering solid waste material containing metal |
CN202803627U (en) * | 2012-07-03 | 2013-03-20 | 北京格林雷斯环保科技有限公司 | Granularity proportion composite air separation device |
CN202860844U (en) * | 2012-10-26 | 2013-04-10 | 北京格林雷斯环保科技有限公司 | Rotary drum winnowing screening machine |
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US5392998A (en) * | 1992-07-18 | 1995-02-28 | Kloeckner-Humboldt-Deutz Ag | Sifter for sifting granular material and grinding system with insertion of such a sifter |
CN2231946Y (en) * | 1995-09-27 | 1996-07-31 | 王真虎 | Farm screening-separating machine |
CN101185935A (en) * | 2007-12-17 | 2008-05-28 | 曹时宜 | Method and apparatus for recovering solid waste material containing metal |
CN202803627U (en) * | 2012-07-03 | 2013-03-20 | 北京格林雷斯环保科技有限公司 | Granularity proportion composite air separation device |
CN202860844U (en) * | 2012-10-26 | 2013-04-10 | 北京格林雷斯环保科技有限公司 | Rotary drum winnowing screening machine |
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