CN107262372A - A kind of selection by winnowing screening plant and method - Google Patents
A kind of selection by winnowing screening plant and method Download PDFInfo
- Publication number
- CN107262372A CN107262372A CN201610211539.0A CN201610211539A CN107262372A CN 107262372 A CN107262372 A CN 107262372A CN 201610211539 A CN201610211539 A CN 201610211539A CN 107262372 A CN107262372 A CN 107262372A
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- Prior art keywords
- housing
- selection
- finished product
- mozzle
- winnowing
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- 238000012216 screening Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 71
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 239000000047 product Substances 0.000 claims abstract description 43
- 239000011265 semifinished product Substances 0.000 claims abstract description 30
- 239000004744 fabric Substances 0.000 claims abstract description 27
- 238000007873 sieving Methods 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004576 sand Substances 0.000 abstract description 27
- 230000000694 effects Effects 0.000 abstract description 7
- 230000007480 spreading Effects 0.000 abstract description 7
- 238000004513 sizing Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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
-
- 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
-
- 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
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
- B07B4/025—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall the material being slingered or fled out horizontally before falling, e.g. by dispersing elements
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a kind of selection by winnowing screening plant, for the screening of material, including：Housing；On feeding mouth, the top plate for being arranged at the housing；On product channel and semi-finished product passage, the bottom plate for being arranged at the housing；Above material-feeding mechanism, the inner chamber that the housing is spaced apart by layer by layer, the material-feeding mechanism is tilted down；On wind passage mouth, the side plate for being arranged on the housing；Screen cloth, is spaced apart by the inner chamber of the housing and below the material-feeding mechanism layer by layer, and the mesh diameter on the screen cloth upper strata is more than the mesh diameter of lower floor；Below mozzle, the screen end for being respectively arranged at different layers；Flow distribution plate, is arranged in the mozzle；On dedusting mechanism, the top plate for being arranged at the housing.Present invention also offers a kind of selection by winnowing method for sieving.Selection by winnowing screening plant and method that the present invention is provided can make the abundant spreading of sand grains to be sieved, ensure product quality, improve screening efficiency, and gradation sizing effect can be effectively ensured again.
Description
Technical field
The present invention relates to engineering machinery field, more specifically, more particularly to a kind of selection by winnowing screening
Device and method.
Background technology
In recent years, with the fast development of construction project, the usage amount of concrete is more and more,
And sand, as the fine aggregate in concrete, its demand also increasingly increases, but with natural
Sand resource is increasingly exhausted, and in order to meet the demand of construction project, machinery system is husky namely Machine-made Sand
Research and development have obtained tremendous expansion, and the use scope of Machine-made Sand is also more and more wider.Due to Machine-made Sand
Quality requirement, after Machine-made Sand tentatively completes, it usually needs sieved using screening plant
Point, so that obtain particle size meets defined sand grains with proportion.
Existing screening plant is generally selection by winnowing screening plant, and selection by winnowing screening plant is usually to utilize
Wind-force is sieved to sand grains, and selection by winnowing screening plant utilizes wind before sand grains is by screening layered
Power effect carries out cloth and dedusting to sand grains, so as to improve screening efficiency, reduces and contains in Machine-made Sand
Powder amount, while the powder containing quantity in dust arrester controlling mechanism sand can also be utilized.Wind riddle is dispensed
Putting has the advantages that small volume, efficiency high, level with adjustable, is widely used in present day schemes sand
Industry.
Due to the limitation in existing selection by winnowing screening plant structure design, existing selection by winnowing screening
Device in use, because the sand grains particle size that need to sieve often heterogeneity and is mixed, plus
Upper selection by winnowing screening case inner space is limited, and the single effect of wind-force prevents sand grains to be sieved from abundant
Spreading, and sand grains only acts on by single direction wind-force, the dust in sand grains is difficult to be separated,
Cause poor product quality；Big small particle mixed sand grain can not cause mesh screen layer nothing by abundant spreading
Method efficiently passes through, and screening efficiency is low；In addition, existing selection by winnowing screening plant is difficult to realize mechanism
The gradation sizing (the ratio control of the big grit of different-grain diameter i.e. in product) of sand, it is impossible to realize not
The uninterrupted accurate adjustment of same level sand grains, and powder containing quantity and level are easily caused with exceeding
GB/T14684《Construction sand》Code requirement and may not apply to concrete fine aggregate, level
It with discontinuous, uneven, can also increase the cost of concrete, reduce concrete strength.
In summary, the abundant spreading of sand grains to be sieved can be made, ensure product by how providing one kind
Quality, improve screening efficiency, can be effectively ensured again the selection by winnowing screening plant of gradation sizing effect into
For those skilled in the art's urgent problem to be solved.
The content of the invention
The technical problem to be solved in the present invention is provides a kind of selection by winnowing screening plant, and the selection by winnowing is sieved
Device by its structure design, can make the abundant spreading of sand grains to be sieved, ensure product quality,
Screening efficiency is improved, gradation sizing effect can be effectively ensured again.
A kind of selection by winnowing screening plant, for the screening of material, including：
Housing, space is provided for the screening to material；
On feeding mouth, the top plate for being arranged at the housing, the input for material；
On product channel and semi-finished product passage, the bottom plate for being arranged at the housing, product channel is used
In the current of finished product, semi-finished product passage is used for the current of semi-finished product；
Above material-feeding mechanism, the inner chamber that the housing is spaced apart by layer by layer, the material distributing machine
Structure is tilted down, for breaing up for material；
On wind passage mouth, the side plate for being arranged on the housing, for distinguished and admirable defeated needed for material screening
Enter；
Screen cloth, is spaced apart by the inner chamber of the housing and under the material-feeding mechanism layer by layer
Side, the mesh diameter on the screen cloth upper strata is more than the mesh diameter of lower floor, the screening for material；
Below mozzle, the screen end for being respectively arranged at different layers, for that will be sieved through different layers
Material after net processing is guided to product channel and semi-finished product passage respectively；
Flow distribution plate, is arranged in the mozzle, distinguishes for material after the processing of different layers screen cloth
It is guided to ratio control when product channel and semi-finished product passage；
On dedusting mechanism, the top plate for being arranged at the housing, the removing for dust in material.
Preferably, the material-feeding mechanism includes substrate and grid section, and the substrate connects with the housing
Connect, the grid section is fixed on the substrate in parallel interval.
Preferably, the wind passage mouth is provided with least two and is located at the difference of the housing respectively
On orientation side plate, the material-feeding mechanism to oblique angle be 15 degree to 45 degree.
Preferably, it is provided with air volume control plate in the wind passage mouth.
Preferably, the dedusting mechanism includes collecting box, pipeline and blower fan, and the pipeline is set
Between the housing and the collecting box, the blower fan is arranged in the pipeline.
Preferably, it is provided with below an entrance, the mozzle and sets above the mozzle
There are two outlets to be connected respectively with product channel and semi-finished product passage, the flow distribution plate is arranged on institute
Between two outlets for stating setting below mozzle.
Preferably, it is provided with below two entrances, the mozzle and sets above the mozzle
There are two outlets to be connected respectively with product channel and semi-finished product passage, the flow distribution plate is arranged on institute
Between two outlets for stating setting below mozzle.
Preferably, the flow distribution plate includes guide plate, rotating shaft and bearing block, and the rotating shaft passes through institute
State bearing block to be connected on the water conservancy diversion inside pipe wall, the guide plate is fixed in the rotating shaft, institute
Stating guide plate can rotate by axis of the rotating shaft so as to which control material enters product channel and semi-finished product
The ratio of passage.
Preferably, spoiler is provided with the dedusting mechanism lower section, the spoiler is used to hinder
Only the material beyond regulation particle size is siphoned away by the dedusting mechanism.
Present invention also offers a kind of selection by winnowing method for sieving, including step：
S1, unlatching dedusting mechanism, while being inputted toward wind passage mouth distinguished and admirable；
S2, material inputted to the inner chamber of housing from feeding mouth；
S3, material-feeding mechanism are by material scattering, while distinguished and admirable wash away to material；
S4, screen cloth are sieved the material after breaing up；
S5, mozzle are by the material diversion after being handled through screen cloth, and flow distribution plate is required pair according to the rules
The ratio of material diversion is controlled, and material is finally guided to product channel and led to semi-finished product respectively
Road is simultaneously collected.
The beneficial effects of the invention are as follows：Selection by winnowing screening plant and method that the present invention is provided can
Make the abundant spreading of sand grains to be sieved, ensure product quality, improve screening efficiency, can effectively protect again
Demonstrate,prove gradation sizing effect.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below
The accompanying drawing used required in embodiment or description of the prior art will be briefly described, show and
Easy insight, drawings in the following description are only embodiments of the invention, common for this area
, on the premise of not paying creative work, can also be according to the attached of offer for technical staff
Figure obtains other accompanying drawings.
Fig. 1 is a kind of overall structure diagram of selection by winnowing screening plant of the embodiment of the present invention；
Fig. 2 is the structural representation of material-feeding mechanism of the embodiment of the present invention；
Fig. 3 and Fig. 4 is the structural representation of mozzle of the embodiment of the present invention；
Fig. 5 is the structural representation of flow distribution plate of the embodiment of the present invention.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, below
The accompanying drawing in the embodiment of the present application will be combined, the technical scheme in the embodiment of the present application is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only some embodiments of the present application,
Rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, should all belong to
The scope of the application protection.
A kind of specific reality of selection by winnowing screening plant is provided referring to Fig. 1 to Fig. 5, Fig. 1 to Fig. 5
Example is applied, wherein, Fig. 1 illustrates for a kind of overall structure of selection by winnowing screening plant of the embodiment of the present invention
Figure；Fig. 2 is the structural representation of material-feeding mechanism of the embodiment of the present invention；Fig. 3 and Fig. 4 is this hair
The structural representation of bright embodiment mozzle；Fig. 5 shows for the structure of flow distribution plate of the embodiment of the present invention
It is intended to.The direction of arrow is the flow direction of material in figure.
As shown in Figures 1 to 5, the invention provides a kind of selection by winnowing screening plant, for material
Screening, including housing 1, feeding mouth 2, product channel 3, semi-finished product passage 4, material distributing machine
Structure 5, wind passage mouth 6, screen cloth 7, mozzle 8, flow distribution plate 9 and dedusting mechanism 10.
In this programme, housing 1 is used to provide space to the screening of material.For the reality of housing 1
Border size and shape can be selected according to specific needs.
On feeding mouth 2, the top plate for being arranged at housing 1, the input for material.
On product channel 3 and semi-finished product passage 4, the bottom plate for being arranged at housing 1, product channel 3
For the current of finished product, semi-finished product passage 4 is used for the current of semi-finished product.
Above material-feeding mechanism 5, the inner chamber that housing 1 is spaced apart by layer by layer, material-feeding mechanism 5
Tilt down, for breaing up for material.
To the setting number of plies of material-feeding mechanism 5, it can be selected according to actual needs in specific implementation
Select, in this programme, three layers of material-feeding mechanism 5 are provided with altogether.
The size and material-feeding mechanism 5 of spacing are downward between upper strata and lower floor to material-feeding mechanism 5
Inclined angle, can be adjusted according to specific operating mode.
On wind passage mouth 6, the side plate for being arranged on housing 1, for distinguished and admirable defeated needed for material screening
Enter.To the set location of wind passage mouth 6, it can be designed according to actual needs.
Screen cloth 7, is spaced apart by the inner chamber of housing 1 and positioned at the lower section of material-feeding mechanism 5 layer by layer,
The mesh diameter on the upper strata of screen cloth 7 is more than the mesh diameter of lower floor, the screening for material.
, can basis for the total number of plies and the mesh diameter size of each layer of screen cloth 7 of screen cloth 7
The requirement of final required product is planned.In this programme, 3 layers of screen cloth 7 are devised altogether.
Mozzle 8, is respectively arranged at below the ends of screen cloth 7 of different layers, for will be through difference
Material after layer screen cloth 7 is handled is guided to product channel 3 and semi-finished product passage 4 respectively.
Flow distribution plate 9, is arranged in mozzle 8, for material point after the processing of different layers screen cloth 7
Ratio when not being guided to product channel 3 with semi-finished product passage 4 is controlled.In this way, can facilitate
Control the ratio of contained all size sand grains in product.
On dedusting mechanism 10, the top plate for being arranged at housing 1, the removing for dust in material.
Generally, the selection by winnowing screening plant material that provides of the present invention is after the input of feeding mouth 2,
Material-feeding mechanism 5 can be broken up to material, while the distinguished and admirable of the importing of wind passage mouth 6 also can be to material
Washed away, material is fully dispersed hold after can fall on the screen cloth 7 of particular design, mozzle 8
The material after processing is required according to the rules with flow distribution plate 9 to be guided to product channel 3 and half respectively
Product channel 4, dedusting mechanism 10 can be purged to the dust in material during being somebody's turn to do.
The selection by winnowing screening plant that the present invention is provided carries out that during Machine-made Sand screening sand grains to be sieved can be made
Abundant spreading, ensure product quality, improve screening efficiency, gradation sizing effect can be effectively ensured again
Really.
In the present embodiment, material is broken up for convenience, material-feeding mechanism 5 include substrate 501 with
Grid section 502, substrate 501 is connected with housing 1, and grid section 502 is fixed on substrate in parallel interval
On 501.
In the present embodiment, be preferably facilitate it is distinguished and admirable material is washed away, make material diffusion more
Plus it is uniform, wind passage mouth 6 is provided with least two and is located at the different azimuth side plate of housing 1 respectively
On, material-feeding mechanism 5 to oblique angle be 15 degree to 45 degree.
It is the distinguished and admirable size that more preferable regulation wind passage mouth 6 is exported, wind passage mouth in the present embodiment
Air volume control plate 601 is provided with 6.
It is preferably to facilitate dedusting mechanism 10 to the clear of dust, dedusting mechanism in the present embodiment
10 include collecting box 1001, pipeline 1002 and blower fan 1003, and pipeline 1002 is arranged on housing 1
Between collecting box 1001, blower fan 1003 is arranged in pipeline 1002.
In the present embodiment, for convenience of material be proportionally guided to respectively product channel 3 and half into
Product passage 4, the top of mozzle 8 is provided with an entrance, and the lower section of mozzle 8 is provided with two
Outlet is connected with product channel 3 and semi-finished product passage 4 respectively, and flow distribution plate 9 is arranged on mozzle
Between two outlets that 8 lower sections are set.Fig. 3 then provides a kind of specific reality of above-mentioned mozzle
Apply example.
In the present embodiment, to reduce the setting quantity of mozzle 8, the top of mozzle 8 is provided with
Two entrances, the lower section of mozzle 8 be provided with two outlets respectively with product channel 3 and semi-finished product
Passage 4 is connected, and flow distribution plate 9 is arranged between two outlets that the lower section of mozzle 8 is set.Figure
4 provide a kind of specific embodiment of above-mentioned mozzle.
It is more preferable control material according to regulation proportional diverting to product channel 3 in the present embodiment
With semi-finished product passage 4, flow distribution plate 9 includes guide plate 901, rotating shaft 902 and bearing block 903, turned
Axle 902 is connected on the inwall of mozzle 8 by bearing block 903, and guide plate 901 is fixed on rotating shaft
On 902, guide plate 901 can be that axis is rotated so as to which control material enters finished product logical 3 with rotating shaft 902
The ratio in road and semi-finished product passage 4.
In the present embodiment, to prevent the material beyond regulation particle size from being inhaled by dedusting mechanism 10
Walk, spoiler 11 is provided with the lower section of dedusting mechanism 10, spoiler 11 is used to prevent beyond rule
The material for determining particle size is siphoned away by dedusting mechanism 10.Specifically, spoiler 11 can be set
Many places, can also be arranged to different orientation and angle.
Present invention also offers a kind of selection by winnowing method for sieving, including step：
S1, unlatching dedusting mechanism 10, while being inputted toward wind passage mouth 6 distinguished and admirable；
S2, material inputted to the inner chamber of housing 1 from feeding mouth 2；
S3, material-feeding mechanism 5 are by material scattering, while distinguished and admirable wash away to material；
S4, screen cloth 7 are sieved the material after breaing up；
S5, mozzle 8 are by the material diversion after being handled through screen cloth 7, and flow distribution plate 9 is according to the rules
It is required that the ratio to material diversion is controlled, material be finally guided to respectively product channel 3 with
Semi-finished product passage 4 is simultaneously collected.
Detailed Jie has been carried out to a kind of selection by winnowing screening plant provided by the present invention and method above
Continue.Specific case used herein is set forth to the principle and embodiment of the present invention,
The explanation of above example is only intended to the method and its core concept for helping to understand the present invention.Should
When pointing out, for those skilled in the art, the principle of the invention is not being departed from
On the premise of, some improvement and modification can also be carried out to the present invention, these improve and modified
Fall into the protection domain of the claims in the present invention.
Claims (10)
1. a kind of selection by winnowing screening plant, the screening for material, it is characterised in that including：
Housing, space is provided for the screening to material；
On feeding mouth, the top plate for being arranged at the housing, the input for material；
On product channel and semi-finished product passage, the bottom plate for being arranged at the housing, product channel is used
In the current of finished product, semi-finished product passage is used for the current of semi-finished product；
Above material-feeding mechanism, the inner chamber that the housing is spaced apart by layer by layer, the material distributing machine
Structure is tilted down, for breaing up for material；
On wind passage mouth, the side plate for being arranged on the housing, for distinguished and admirable defeated needed for material screening
Enter；
Screen cloth, is spaced apart by the inner chamber of the housing and under the material-feeding mechanism layer by layer
Side, the mesh diameter on the screen cloth upper strata is more than the mesh diameter of lower floor, the screening for material；
Below mozzle, the screen end for being respectively arranged at different layers, for that will be sieved through different layers
Material after net processing is guided to product channel and semi-finished product passage respectively；
Flow distribution plate, is arranged in the mozzle, distinguishes for material after the processing of different layers screen cloth
It is guided to ratio control when product channel and semi-finished product passage；
On dedusting mechanism, the top plate for being arranged at the housing, the removing for dust in material.
2. selection by winnowing screening plant according to claim 1, it is characterised in that the cloth
Mechanism includes substrate and grid section, and the substrate is connected with the housing, and the grid section is in parallel
Every fixation on the substrate.
3. selection by winnowing screening plant according to claim 1, it is characterised in that the air channel
Mouth is provided with least two and is located at respectively on the different azimuth side plate of the housing, the cloth
Mechanism to oblique angle be 15 degree to 45 degree.
4. selection by winnowing screening plant according to claim 1, it is characterised in that the air channel
It is intraoral to be provided with air volume control plate.
5. selection by winnowing screening plant according to claim 1, it is characterised in that the dedusting
Mechanism includes collecting box, pipeline and blower fan, and the pipeline is arranged on the housing and collected with described
Between case, the blower fan is arranged in the pipeline.
6. selection by winnowing screening plant according to claim 1, it is characterised in that the water conservancy diversion
Be provided with above pipe below an entrance, the mozzle be provided with two outlets respectively with finished product
Passage is connected with semi-finished product passage, and the flow distribution plate is arranged on two set below the mozzle
Between individual outlet.
7. selection by winnowing screening plant according to claim 1, it is characterised in that the water conservancy diversion
Be provided with above pipe below two entrances, the mozzle be provided with two outlets respectively with finished product
Passage is connected with semi-finished product passage, and the flow distribution plate is arranged on two set below the mozzle
Between individual outlet.
8. selection by winnowing screening plant according to claim 1, it is characterised in that the shunting
Plate includes guide plate, rotating shaft and bearing block, and the rotating shaft is connected to described lead by the bearing block
On flow tube inwall, the guide plate is fixed in the rotating shaft, the guide plate can using the rotating shaft as
Axis rotates the ratio for entering product channel and semi-finished product passage so as to control material.
9. selection by winnowing screening plant according to claim 1, it is characterised in that the dedusting
Spoiler is provided with below mechanism, the spoiler is used to prevent beyond regulation particle size
Material is siphoned away by the dedusting mechanism.
10. a kind of selection by winnowing method for sieving, it is characterised in that including step：
S1, unlatching dedusting mechanism, while being inputted toward wind passage mouth distinguished and admirable；
S2, material inputted to the inner chamber of housing from feeding mouth；
S3, material-feeding mechanism are by material scattering, while distinguished and admirable wash away to material；
S4, screen cloth are sieved the material after breaing up；
S5, mozzle are by the material diversion after being handled through screen cloth, and flow distribution plate is required pair according to the rules
The ratio of material diversion is controlled, and material is finally guided to product channel and led to semi-finished product respectively
Road is simultaneously collected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610211539.0A CN107262372A (en) | 2016-04-06 | 2016-04-06 | A kind of selection by winnowing screening plant and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610211539.0A CN107262372A (en) | 2016-04-06 | 2016-04-06 | A kind of selection by winnowing screening plant and method |
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| CN107262372A true CN107262372A (en) | 2017-10-20 |
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Cited By (4)
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| CN108031648A (en) * | 2017-11-30 | 2018-05-15 | 安徽省恒伟铋业有限公司 | A kind of powder screening machine |
| CN108339751A (en) * | 2018-03-12 | 2018-07-31 | 滁州广洋湖米业有限公司 | A kind of uniform rice impurity removing equipment of charging |
| CN108722867A (en) * | 2018-05-15 | 2018-11-02 | 包超希 | The pneumatic separation device of dust content in a kind of reduction tealeaves |
| CN112275350A (en) * | 2020-10-27 | 2021-01-29 | 宿州市超王面业有限责任公司 | Impurity removal device and impurity removal method for flour production and processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108031648A (en) * | 2017-11-30 | 2018-05-15 | 安徽省恒伟铋业有限公司 | A kind of powder screening machine |
| CN108339751A (en) * | 2018-03-12 | 2018-07-31 | 滁州广洋湖米业有限公司 | A kind of uniform rice impurity removing equipment of charging |
| CN108722867A (en) * | 2018-05-15 | 2018-11-02 | 包超希 | The pneumatic separation device of dust content in a kind of reduction tealeaves |
| CN108722867B (en) * | 2018-05-15 | 2020-09-22 | 福建省仙茶美科技有限公司 | Winnowing device for reducing dust content in tea |
| CN112275350A (en) * | 2020-10-27 | 2021-01-29 | 宿州市超王面业有限责任公司 | Impurity removal device and impurity removal method for flour production and processing |
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Address after: 410100 No. 88 East 7 Line, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Applicant after: China Railway Construction Heavy Industry Group Co.,Ltd. Address before: 410100 No. 88 Dongqi Road, Jingkai District, Changsha City, Hunan Province Applicant before: China Railway Construction Heavy Industry Co.,Ltd. |
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Application publication date: 20171020 |