CN104984908B - A kind of gravity flow primary separating sieve - Google Patents
A kind of gravity flow primary separating sieve Download PDFInfo
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- CN104984908B CN104984908B CN201510403297.0A CN201510403297A CN104984908B CN 104984908 B CN104984908 B CN 104984908B CN 201510403297 A CN201510403297 A CN 201510403297A CN 104984908 B CN104984908 B CN 104984908B
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- 230000005484 gravity Effects 0.000 title claims abstract description 20
- 235000013339 cereals Nutrition 0.000 claims abstract description 40
- 229920001778 nylon Polymers 0.000 claims abstract description 17
- 238000012216 screening Methods 0.000 claims abstract description 17
- 239000004677 Nylon Substances 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 239000000428 dust Substances 0.000 claims description 32
- 238000004140 cleaning Methods 0.000 claims description 19
- 239000000725 suspension Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 239000010903 husk Substances 0.000 description 7
- 241000196324 Embryophyta Species 0.000 description 5
- 239000010902 straw Substances 0.000 description 5
- 239000004575 stone Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004464 cereal grain Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- -1 fag end Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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- Combined Means For Separation Of Solids (AREA)
Abstract
The present invention relates to the screening installation in a kind of grain machinery, particularly a kind of gravity flow primary separating sieve.Including screen box and air-drafting and dust-removing device.Screen box（2）By stretchy nylon rod（30）Tilting is suspended in frame（9）On；Screen box（2）It is provided with charging aperture（10）, big miscellaneous outlet（3）Exported with net thing（1）.Screen box base plate（22）It is provided with eclipsed form step（28）With Z-shaped inlet scoop（29）, inlet scoop（29）With air channel（21）Communicate；Housiung separator（8）On hang with can be to sieve plate（4）The brush mechanism for being cleaned.Air-drafting and dust-removing device includes a gram cage of stopping（13）, airlock（14）And blower fan（15）, a gram cage of stopping（13）Downside be provided with light miscellaneous outlet（17）.Its advantage is to integrate screening and selection by winnowing, can make weight, light miscellaneous first separation；Cereal gravity flow trickles, and is not required to big power drive, and noise is small, and yield is big, and the efficiency of separation is high.
Description
Technical field
It is particularly a kind of the present invention relates to the screening installation in a kind of grain machineryGravity flow primary separating sieve.Suitable for carrying out cleaning sorting to cereal before cereal deep processing enterprise and grain storage.
Background technology
Grain screening installation is divided into one-level sorting, two grades of sortings, three-level sortings etc., and first sorting is also named in one-level therein sorting.After grain harvest, substantial amounts of such as weeds, straw, fag end, brick and tile, stone, glass fragment debris are contaminated with, before deep processing is carried out to cereal, it is necessary to which these debris are carried out with preliminary sorting cleaning.The major function of first optional equipment is, large-scale debris, husk, dust in removal cereal etc..
Cleaning equipment in current existing grain machinery, is all simple function, such as selection by winnowing, screening, several cleaning equipments of gravity separation, and its distinct device has its different performance and feature, also respectively has it not enough.For example：Pneumatic separator, Main Function is to separate the light impurity in cereal, good to light miscellaneous and dust cleaning effect, but to very poor as the weight of stone, big straw is miscellaneous, greatly if miscellaneous cleaning effect；Screening installation, Main Function is the big or small impurity of segregation ratio cereal grain, and the miscellaneous and big miscellaneous cleaning effect of its counterweight is good, but husk, the object with light impurities such as rope, short straw, dusts are difficult to remove；Gravity separation equipment, Main Function is to separate the stone in cereal, and cereal is classified, good to the stone in cereal and dust cleaning effect, but light to big miscellaneous, weight miscellaneous and quality and the close short straw of the grain of rice, husk etc. miscellaneous is very difficult to except totally.
The grain cleaning equipment of simple function, to it is big miscellaneous and it is light it is miscellaneous can not once property completes primary election and clears up on a machine, this is put in storage enterprise for large-scale grain processing enterprise and large-scale grain storage, it is clear that can bring very big inconvenience.Need to such as isolate simultaneously big miscellaneous and light miscellaneous, it is necessary to which many large scale equipments are applied in combination the sorting cleaning that could realize different quality debris.So obvious equipment is huge, and operating cost is very high.
Just optional equipment existing at present, is mostly the Winnowing cleaning screen of simple function.Namely by cereal during free gravity falling bodies, the dust in cereal is adsorbed with gently miscellaneous by the blower fan of side, to reach the purpose of first sorting.This primary separating sieve, the deficiency for existing is that unitary function, the efficiency of separation is low, it is impossible to while dust is adsorbed, and is efficiently separated miscellaneous greatly.
The content of the invention
Technical barrier to be solved by this invention is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of gravity flow primary separating sieve, can integrate screening and selection by winnowing, and simple structure, efficiency high, low cost.
The technical scheme is that, including screening plant and air-drafting and dust-removing device, the air-drafting and dust-removing device include stop gram cage 13, blower fan 15, dust collecting box 16 and light miscellaneous outlet 17；The screening plant includes the screen box 2 that tilting is set, screen box 2 is monolithic construction, and upper strata is sieve plate 4 with holes, and lower floor is screen box base plate 22, monoblock type screen box 2 is suspended in frame 9 by the tilting of stretchy nylon rod 30, and air-drafting and dust-removing device is communicated by airduct 12 with the air channel 21 of the bottom side of screen box 2；Screen box 2 is provided with can make it with respect to the vibrating device that frame 9 slightly swings；Screen box base plate 22 is provided with can make cereal that the eclipsed form step 28 for hitting is fallen in freely falling body and flow process；Clearance type inlet scoop 29 is provided between each step 28, its clearance type inlet scoop 29 communicates with the air channel 21 of the bottom side of screen box 2；The upside of sieve plate 4 is provided with the brush mechanism that reciprocating cleaning can be carried out to the surface of sieve plate 4；The upper end of tilting screen box 2 is provided with charging aperture 10, and the lower end of screen box 2 is provided with big miscellaneous outlet 3 and net thing outlet 1.
The brush mechanism includes motor 25, driving wheel 24, connecting rod 23, crossbeam 8 and brush holder 7, and the lower end of brush holder 7 is provided with the brush 27 being in contact with sieve plate 4, and crossbeam 8 is located at the top of sieve plate 4 and is fixed in frame 9；Brush holder 7 is provided with trundle 26, and brush holder 7 is articulated on crossbeam 8 by trundle 26；One end of connecting rod 23 is connected with brush holder 7, and the other end of connecting rod 23 is connected with the centering type of driving wheel 24, and driving wheel 24 is driven by motor 25；Motor 25 carries out reciprocating cleaning by the drive brush holder 7 of connecting rod 23 and brush 27 of driving wheel 24, eccentric setting on sieve plate 4.
Four groups of stretchy nylon rod suspension gears are provided with the sieve box side plate 5 of screen box 2,4-6 root stretchy nylons rod 30 is provided with every group of stretchy nylon rod suspension gear, 4-6 root stretchy nylons rod 30 is clamped fixation by the holder 31 being separately fixed on sieve box side plate 5 and frame 9 by bolt 32.
The eclipsed form step 28 is set located at the middle part of screen box base plate 22 by the overlapped alternating expression of the Z-shape lath in cross section, and each leaves the inlet scoop 29 that the inner chamber of screen box 2 can be made to be communicated with bottom side air channel 21 between overlapping Z-shaped plate bar staggeredly.
2-3 groups are provided with the air-drafting and dust-removing device to stop gram cage 13；Every group of lower section of gram cage 13 of stopping is in series with airlock 14, and airlock 14 is operated alone by motor；The downside of airlock 14 is provided with light miscellaneous outlet 17, and the screw auger 18 for transporting debris is provided with light miscellaneous outlet 17；Stop the top of gram cage 13 and blower fan 15 is connected, dust collecting box 16 is provided with blower fan 15.
The vibrating device is made up of weighting disk 19 and motor 11, lays particular stress on disk 19 by support shaft and bearings on the framework of the dorsal edge of screen box base plate 22, and motor 11 drives weighting disk 19 to rotate by belt pulley, vibrates screen box 2；The vibrating device is integrated type electric vibrator.
Screen box base plate 22 is 35o-38o with the angle α of horizontal plane, and sieve plate 4 is 19o-20o with the angle β of horizontal plane.
The airduct 12 of dust arrester is connected with the air channel 21 of the bottom side of screen box 2 by soft connection device 20.
The frame 9 of the both sides of screen box 2 is provided with dust excluding plate, the compass screen surface of whole screen box 2 is constituted semi-closed structure；The dust cover 6 is provided with observation window and air quantity adjusting mechanism.
The inner side of the charging aperture 10 of the upper end of screen box 2 is provided with the screw auger 33 that homocline can be carried out to cereal.
Present invention advantage compared with prior art is：
（1）Integrate screening and selection by winnowing, realize weight, light miscellaneous first separation, complete machine structure simply, using easy to operate, efficiency high, greatly, low cost cleans effect good to yield；
（2）Motion mode is flow automatically by cereal and be combined with screen box vibration, and without active force supply, the freely falling body by cereal is sorted, and energy saving, noise is small, and effect on environment is small；
（3）Screen box monoblock type inclines suspention, and rational in infrastructure, dependable performance, grain selection effect is good；
（4）Z-shaped inlet scoop is provided with the base plate of screen box, makes cereal while gravity flow flies upward, it is light to the husk, dust, the small straw that are mingled with cereal etc. miscellaneous to carry out wind-suction type separation；A gram cage pneumatic separation device of stopping particularly is used, light miscellaneous cleaning effect is more preferably；
（5）Sieve plate top is provided with the brush mechanism being suspended on housiung separator, dynamically carries out reciprocating cleaning to sieve plate, has both ensured the screening rate of cereal, improves operating efficiency, prevents cereal from blocking sieve aperture again.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of brush mechanism；
Fig. 3 is the structural representation of screen box 2；
Fig. 4 is the partial enlarged drawing at the middle part of screen box base plate 22 in Fig. 1, Fig. 3；
Fig. 5 is the A-A generalized sections of screen box 2 in Fig. 3；
Fig. 6 is the overhung construction schematic diagram between the sieve box side plate 5 and frame 9 of the both sides of screen box 2.
Label in figure：
The net thing outlets of 1-, 2- screen boxs, the big miscellaneous outlets of 3-, 4- sieve plates, 5- sieve box side plates, 6- dust covers, 7- brush holders, 8- crossbeams, 9- frames, 10- charging apertures, 11- motors, 12- airducts, 13-- stops a gram cage, 14- airlocks, 15- blower fans, 16- dust collecting boxes, the light miscellaneous outlets of 17-, 18- screw augers, 19- eccentric wheels, 20 are flexible coupling, 21- air channels, 22- screen box base plates, 23- connecting rods, 24- driving wheels, 25- motors, 26- trundles, 27- brushes, 28- steps, 29- inlet scoops, 30- stretchy nylon rods, 31- holders, 32- bolts, 33- screw augers.
Specific embodiment
Make further narration in detail to the embodiment of the present invention below in conjunction with the accompanying drawings：
The present invention is a kind of gravity flow primary separating sieve, including screening plant and air-drafting and dust-removing device.
The air-drafting and dust-removing device includes stop gram cage 13, airlock 14, blower fan 15, dust collecting box 16 and light miscellaneous outlet 17.Airlock 14 is connected on the bottom of gram cage 13 of stopping, and is independently driven by motor.It is provided with light miscellaneous outlet 17 and transports light miscellaneous screw auger 18 to outlet, and is placed in the downside of airlock 14.Stop gram cage 13 top by airduct connecting fan 15 and dust collecting box 16, see Fig. 1.
The screening plant includes the screen box 2 that tilting is set.Screen box 2 is the monolithic construction being integrally fixed.The upper strata of screen box 2 is sieve plate 4 with holes, and lower floor is screen box base plate 22, and both sides are sieve box side plate 5.Sieve box side plate 5 is higher than sieve plate 4, to block the big miscellaneous of the upside of sieve plate 4.Screen box base plate 22 is 35o-38o with the tilt angle alpha of horizontal plane, and sieve plate 4 is 19o-20o with the inclination angle beta of horizontal plane.See Fig. 3 and Fig. 5.
Screen box 2 is inclined by the monoblock type of stretchy nylon rod 30 and is suspended in frame 9.Screen box 2 is provided with can make it with respect to the vibrating device that frame 9 slightly swings.See Fig. 3.
The outside of screen box base plate 22 is provided with air channel 21, and air-drafting and dust-removing device is communicated by airduct 12 with the air channel 21 of the bottom side of screen box 2.When blower fan 15 and airlock 14 run, light miscellaneous from the inner chamber of screen box 2 is inhaled into gram cage 13 of stopping by airduct 12, and in gram cage 13 of stopping rotating separation, lighter dust of a part etc. is entered into the dust collecting box 16 on the top of gram cage 13 of stopping, heavier husk of another part etc. is entered into the light miscellaneous groove of the bottom of gram cage 13 of stopping, and is sent out by light miscellaneous outlet 17 by screw auger 18.
Screen box base plate 22 is provided with can make cereal that the eclipsed form step 28 for hitting is fallen in freely falling body and flow process.Clearance type inlet scoop 29 is provided between each step 28, its clearance type inlet scoop 29 communicates with the air channel 21 of the bottom side of screen box 2, sees Fig. 4.The eclipsed form step 28 is set by the overlapped alternating expression of the Z-shape lath in cross section and is constituted located at the middle part of screen box base plate 22.Each leaves the inlet scoop 29 that the inner chamber of screen box 2 can be made to be communicated with bottom side air channel 21 between overlapping Z-shaped plate bar staggeredly, and the inlet scoop 29 communicates with air channel 21.By inlet scoop 29, the inner chamber of screen box 2 is communicated with air channel 21, then communicated with air-drafting and dust-removing device by airduct 12, so as to constitute sucking dedusting system.
The upper end of screen box 2 is provided with charging aperture 10, and the upside of sieve plate 4 of the lower end of screen box 2 is provided with big miscellaneous outlet 3, and the lower end of screen box base plate 22 is provided with net thing outlet 1.The stop bottom of gram cage 13 is provided with light miscellaneous outlet 17, and the top of gram cage 13 of stopping is provided with dust collecting box 16.
The upside of sieve plate 4 is provided with the brush mechanism that reciprocating cleaning can be carried out to the surface of sieve plate 4, sees Fig. 2.
The brush mechanism includes motor 25, driving wheel 24, connecting rod 23, crossbeam 8 and brush holder 7, and the lower end of brush holder 7 is provided with the brush 27 being in contact with sieve plate 4.Crossbeam 8 is located at the top of sieve plate 4 and is fixed in frame 9.Brush holder 7 is provided with 2 trundles 26, and is articulated on crossbeam 8 by trundle 26.Trundle 26, as track, drives brush holder 7 to be run along crossbeam 8 or so with crossbeam 8.One end of connecting rod 23 is connected with brush holder 7, and the other end of connecting rod 23 is connected with the centering type of driving wheel 24, and driving wheel 24 is driven by motor 25.Motor 25 is driven brush holder 7 and brush 27 that reciprocating cleaning is carried out on sieve plate 4 and is moved by driving wheel 24 and the connecting rod 23 of eccentric setting.
The vibrating device is made up of weighting disk 19 and motor 11, lays particular stress on disk 19 by axle and bearings on the framework of the dorsal edge of screen box base plate 22, and motor 11 drives weighting disk 19 to rotate by belt pulley, vibrates screen box 2；The vibrating device is integrated type electric vibrator.
Four groups of stretchy nylon rod suspension gears are provided with the sieve box side plate 5 of screen box 2；Holder 31 of 4 stretchy nylon rods, 30, the 4 stretchy nylon rods 30 by being separately fixed on sieve box side plate 5 and frame 9 is provided with every group of stretchy nylon rod suspension gear fixation is clamped by bolt 32.
It is provided with 2-3 groups in the air-drafting and dust-removing device to stop gram cage 13 and airlock 14, every group of gram cage 13 of stopping is connected with airlock 14, and is independently driven by motor
The airduct 12 of dust arrester is connected with the air channel 21 of the bottom side of screen box 2 by soft connection device 20.
To reduce pollution of the dust to environment during work runs, dust excluding plate is welded with the Vertical Rack 9 of the both sides of screen box 2, the front side of frame 9 and the upside of sieve plate 4 further respectively have the dust cover 6 of movable handling, the compass screen surface of whole screen box 2 is constituted semi-closed structure；The dust cover 6 is provided with observation window and air quantity adjusting mechanism.The air quantity adjusting mechanism can be adjusted to the intake of inlet scoop 29.
In order to the cereal for preferably enabling charging aperture 10 uniformly, with flying upward shape enters in screen box 2, the inner side of charging aperture 10 of the upper end of screen box 2 is provided with screw auger.
During present invention work, cereal is screened separation first on the sieve plate 4 from the feeding screen box 2 of charging aperture 10.The big miscellaneous big miscellaneous outlet 3 from the upside of sieve plate 4 after screening is expelled directly out；Sieve plate 4 sieves the cereal that falls, and free fall type is fallen on screen box base plate 22, and on the screen box base plate 22 gravity flow from top to down and under.When inlet scoop 29 of the cereal at eclipsed form step 28, the lightweight being mingled in cereal is miscellaneous under the suction of blower fan 15, from inlet scoop 29, air channel 21 be inhaled into air-drafting and dust-removing device in separated, clean cereal is directly discharged from net thing outlet 1, so as to complete secondary selection by winnowing separate.It is light miscellaneous to what is sucked again in air-drafting and dust-removing device, then in stop gram cage 13 and airlock 14, by it is light it is miscellaneous in husk and dust separated again.Wherein husk is discharged from light miscellaneous outlet 17, and dust is collected by dust collecting box.
Compact conformation of the present invention, operate steadily reliability, integrates screening and selection by winnowing, by secondary sorting, realizes weight, light miscellaneous first separation；The efficiency of separation is high, and yield is big, and noise is small, and environmental pollution is few, is a kind of efficient grain sorting equipment of energy-saving and emission-reduction.
Claims (9)
1. a kind of gravity flow primary separating sieve, it is characterised in that：Including screening plant and air-drafting and dust-removing device, the air-drafting and dust-removing device includes a gram cage of stopping（13）, blower fan（15）, dust collecting box（16）And light miscellaneous outlet（17）；The screening plant includes the screen box that tilting is set（2）, screen box（2）It is monolithic construction, upper strata is sieve plate with holes（4）, lower floor is screen box base plate（22）, monoblock type screen box（2）By stretchy nylon rod（30）Tilting is suspended in frame（9）On, air-drafting and dust-removing device passes through airduct（12）With screen box（2）The air channel of bottom side（21）Communicate；Screen box（2）Being provided with can make it with respect to frame（9）The vibrating device for slightly swinging；Screen box base plate（22）Being provided with can make cereal that the eclipsed form step for hitting is fallen in freely falling body and flow process（28）；Each step（28）Between be provided with clearance type inlet scoop（29）, its clearance type inlet scoop（29）With screen box（2）The air channel of bottom side（21）Communicate；Sieve plate（4）Be provided with can be to sieve plate for upside（4）Surface carries out the brush mechanism of reciprocating cleaning；Tilting screen box（2）Upper end be provided with charging aperture（10）, screen box（2）Lower end be provided with big miscellaneous outlet（3）Exported with net thing（1）；The brush mechanism includes motor（25）, driving wheel（24）, connecting rod（23）, crossbeam（8）And brush holder（7）, brush holder（7）Lower end be provided with and sieve plate（4）The brush being in contact（27）, crossbeam（8）Located at sieve plate（4）Top and be fixed on frame（9）On；Brush holder（7）It is provided with trundle（26）, brush holder（7）By trundle（26）It is articulated in crossbeam（8）On；Connecting rod（23）One end and brush holder（7）Connection, connecting rod（23）The other end and driving wheel（24）Centering type is connected, driving wheel（24）By motor（25）Drive；Motor（25）By driving wheel（24）, eccentric setting connecting rod（23）Drive brush holder（7）And brush（27）In sieve plate（4）On carry out reciprocating cleaning.
2. a kind of gravity flow primary separating sieve as claimed in claim 1, it is characterised in that：In screen box（2）Sieve box side plate（5）Four groups of stretchy nylon rod suspension gears are provided with, 4-6 root stretchy nylon rods are provided with every group of stretchy nylon rod suspension gear（30）, 4-6 root stretchy nylon rods（30）By being separately fixed at sieve box side plate（5）And frame（9）On holder（31）By bolt（32）It is clamped fixation.
3. a kind of gravity flow primary separating sieve as claimed in claim 1 or 2, it is characterised in that：The eclipsed form step（28）Located at screen box base plate（22）Middle part, set by the overlapped alternating expression of the Z-shape lath in cross section, each to overlap leave between Z-shaped plate bar staggeredly makes screen box（2）Inner chamber and bottom side air channel（21）The inlet scoop for communicating（29）.
4. a kind of gravity flow primary separating sieve as claimed in claim 1 or 2, it is characterised in that：2-3 groups are provided with the air-drafting and dust-removing device to stop a gram cage（13）；Every group of gram cage of stopping（13）Lower section is in series with airlock（14）, airlock（14）It is operated alone by motor；Airlock（14）Downside be provided with light miscellaneous outlet（17）, light miscellaneous outlet（17）Inside it is provided with the screw auger for transporting debris（18）；Stop a gram cage（13）Top and blower fan（15）It is connected, blower fan（15）Place is provided with dust collecting box（16）.
5. a kind of gravity flow primary separating sieve as claimed in claim 1 or 2, it is characterised in that：The vibrating device is by weighting disk（19）And motor（11）Constitute, lay particular stress on disk（19）By support shaft and bearings in screen box base plate（22）On the framework of dorsal edge, motor（11）Driven by belt pulley and lay particular stress on disk（19）Rotate, make screen box（2）Vibration；The vibrating device is integrated type electric vibrator.
6. a kind of gravity flow primary separating sieve as claimed in claim 1 or 2, it is characterised in that：Screen box base plate（22）It is 35o-38o, sieve plate with the angle α of horizontal plane（4）It is 19o-20o with the angle β of horizontal plane.
7. a kind of gravity flow primary separating sieve as claimed in claim 1 or 2, it is characterised in that：The airduct of dust arrester（12）With screen box（2）The air channel of bottom side（21）By soft connection device（20）It is connected.
8. a kind of gravity flow primary separating sieve as claimed in claim 1 or 2, it is characterised in that：Screen box（2）The frame of both sides（9）It is provided with dust excluding plate, frame（9）Front side and sieve plate（4）Upside be respectively equipped with dust cover（6）, make whole screen box（2）Compass screen surface constitute semi-closed structure；The dust cover（6）It is provided with observation window and air quantity adjusting mechanism.
9. a kind of gravity flow primary separating sieve as claimed in claim 1 or 2, it is characterised in that：Screen box（2）The charging aperture of upper end（10）Inner side be provided with the screw auger that homocline can be carried out to cereal（33）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510403297.0A CN104984908B (en) | 2015-07-11 | 2015-07-11 | A kind of gravity flow primary separating sieve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510403297.0A CN104984908B (en) | 2015-07-11 | 2015-07-11 | A kind of gravity flow primary separating sieve |
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| Publication Number | Publication Date |
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| CN104984908A CN104984908A (en) | 2015-10-21 |
| CN104984908B true CN104984908B (en) | 2017-05-31 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414026B (en) * | 2016-01-23 | 2017-12-15 | 江苏强大机筛有限公司 | A kind of clear grain device of gravity flow selection by winnowing |
| CN106622957A (en) * | 2016-10-17 | 2017-05-10 | 湖北中禾粮油股份有限公司 | Vibration screen capable of efficiently separating light impurities |
| CN106423874A (en) * | 2016-10-18 | 2017-02-22 | 广西高农机械有限公司 | Corn screening device |
| CN106824788A (en) * | 2017-04-17 | 2017-06-13 | 时祥华 | A kind of grain multipass sort combined cleaning sieve |
| CN107520111A (en) * | 2017-09-11 | 2017-12-29 | 贵州省榕江县粒粒香米业有限公司 | A kind of dust arrester for rice processing |
| CN112958443B (en) * | 2021-03-17 | 2022-03-15 | 江西中烟工业有限责任公司 | A kind of negative pressure vibrating screen screening material sorting and dust removal device |
| CN113751323A (en) * | 2021-09-27 | 2021-12-07 | 无锡恒诚硅业有限公司 | an automatic scraper |
| CN113751324A (en) * | 2021-09-27 | 2021-12-07 | 无锡恒诚硅业有限公司 | A vibrating screen scraper |
| CN119368425B (en) * | 2024-11-29 | 2025-11-25 | 云南国钛金属股份有限公司 | An air separation device for removing impurities from sponge titanium products |
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