CN107824458A - A kind of grains separating machine of multistage pneumatic separation - Google Patents

A kind of grains separating machine of multistage pneumatic separation Download PDF

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Publication number
CN107824458A
CN107824458A CN201711237854.1A CN201711237854A CN107824458A CN 107824458 A CN107824458 A CN 107824458A CN 201711237854 A CN201711237854 A CN 201711237854A CN 107824458 A CN107824458 A CN 107824458A
Authority
CN
China
Prior art keywords
airduct
sieve
proportion
separating machine
pneumatic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711237854.1A
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Chinese (zh)
Inventor
卢三虎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sixian Three Tiger Grain & Oil Machinery Co Ltd
Original Assignee
Sixian Three Tiger Grain & Oil Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sixian Three Tiger Grain & Oil Machinery Co Ltd filed Critical Sixian Three Tiger Grain & Oil Machinery Co Ltd
Priority to CN201711237854.1A priority Critical patent/CN107824458A/en
Publication of CN107824458A publication Critical patent/CN107824458A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B9/00Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B9/00Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • B07B9/02Combinations of similar or different apparatus for separating solids from solids using gas currents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B2201/00Details applicable to machines for screening using sieves or gratings
    • B07B2201/04Multiple deck screening devices comprising one or more superimposed screens

Abstract

The invention discloses a kind of multistage pneumatic separation grains separating machine,Including frame,The frame is provided with pneumatic jig,The pneumatic jig upper end is connected with feed hopper,Pneumatic jig upper side wall is connected with dedusting fan,Proportion sieve is provided with below pneumatic jig,The front end of the proportion sieve is located at below pneumatic jig,Proportion sieve is provided with vibratory sieve below rear end,The proportion sieve lower section is provided with main air blower,The discharge pipe of the main air blower is connected with the first airduct by four-way connection,Second airduct and the 3rd airduct,The air outlet of first airduct connects with pneumatic jig lower wall,The second airduct air outlet is located at proportion sieve middle part lower section,And connected with proportion sieve,The 3rd airduct air outlet is located at vibratory sieve front end,And with being connected inside vibratory sieve,Main air blower discharge pipe,Volume damper is equipped with first airduct and the second airduct,The advantage is that can repeat to gently miscellaneous,Multistage wind cleans,Effectively improve finished product of grain cleanliness factor.

Description

A kind of grains separating machine of multistage pneumatic separation
Technical field
The present invention relates to refiner, and in particular to a kind of grains separating machine of multistage pneumatic separation.
Background technology
Grain screening machine in the market generally comprises vertical pneumatic jig, and pneumatic jig upper end connection elevator is fed, on pneumatic jig Side wall connects cyclone dust removal machine, and being provided with proportion below pneumatic jig sieves, and proportion sieve rear end sets vibratory sieve, and material carries out selection by winnowing in pneumatic jig Enter proportion afterwards to sieve, but when enter the material in pneumatic jig it is big when, by the material bed thickening of pneumatic jig in the unit interval, in thing The light impurities such as dust, weeds below the bed of material cause it to enter rotation due to the stop of cereal, or with reasons such as cereal collisions Wind deduster, and directly fall with cereal and sieved into proportion, i.e., it is mixed with a large amount of still containing a large amount of light miscellaneous by the material after pneumatic jig Light miscellaneous material is not only difficult to ensure that its cleanliness factor in follow-up screening, can also block sieve aperture.
The content of the invention
It is an object of the invention to provide a kind of multistage pneumatic separation grains separating machine, cleaned by multiple selection by winnowing, effectively removed Impurity in material, it is ensured that obtained finished product of grain cleanliness factor.
A kind of multistage pneumatic separation grains separating machine that technical solution of the present invention provides, including frame, the frame are provided with wind Sieve, the pneumatic jig upper end are connected with feed hopper, and pneumatic jig upper side wall is connected with dedusting fan, and proportion sieve, institute are provided with below pneumatic jig The front end for stating proportion sieve is located at below pneumatic jig, and vibratory sieve is provided with below proportion sieve rear end, and the proportion sieve lower section is provided with main air blower, The discharge pipe of the main air blower is connected with the first airduct, and the air outlet of first airduct connects with pneumatic jig lower wall.
Preferably, a kind of multistage pneumatic separation grains separating machine of the present invention, the discharge pipe of the main air blower are also associated with Second airduct, the 3rd airduct, main air blower discharge pipe are connected with the first airduct, the second airduct, the 3rd airduct by four-way connection, institute State the second airduct air outlet and be located at proportion sieve middle part lower section, and connected with proportion sieve, the 3rd airduct air outlet is positioned at vibration Front end is sieved, and with being connected inside vibratory sieve.
Preferably, a kind of multistage pneumatic separation grains separating machine of the present invention, the main air blower discharge pipe, the first airduct and Volume damper is equipped with second airduct.
Preferably, a kind of multistage pneumatic separation grains separating machine of the present invention, the volume damper are adjusted including air quantity Plate, the air-flow plate are arranged in each airduct by rotating shaft, and one end of the rotating shaft is stretched out outside airduct, and is provided with regulation Handwheel.
Preferably, a kind of multistage pneumatic separation grains separating machine of the present invention, the proportion sieve are obliquely installed, and its front end is low Rear end height, proportion sieve and horizontal plane angle are 26 °, and the vibratory sieve is obliquely installed, and the high rear end in its front end is low, vibratory sieve and level Face angle is 8 °.
Preferably, a kind of multistage pneumatic separation grains separating machine of the present invention, the vibratory sieve include housing and vibratory sieve Net, the vibration screen include one-level screen cloth and two level screen cloth, and the sieve aperture of the one-level screen cloth is more than the sieve aperture of two level screen cloth.
Preferably, a kind of multistage pneumatic separation grains separating machine of the present invention, the vibration screen are removably disposed in In housing.
Preferably, a kind of multistage pneumatic separation grains separating machine of the present invention, the housing lower end of the vibratory sieve and frame Between be provided with loss of weight spring, the loss of weight spring is made up of the interior spring being coaxially disposed and outer spring, and the lower end of the interior spring and outer spring is equal It is connected with frame, interior spring upper end is higher than outer spring, and is connected with housing.
Preferably, a kind of multistage pneumatic separation grains separating machine of the present invention, the pneumatic jig are provided with feed hopper junction Pneumatic gate valve.
Preferably, a kind of multistage pneumatic separation grains separating machine of the present invention, the frame are provided with level(l)ing device.
The technology of the present invention beneficial effect:
The multistage pneumatic separation grains separating machine that technical solution of the present invention provides, by main air blower to air feed on the downside of pneumatic jig, by Fall it is light it is miscellaneous blow afloat risings, selection by winnowing impurity elimination again, reduce enter follow-up proportion sieve impurity, also reduce blocking sieve aperture can Energy property, at the same time main air blower is to proportion sieve, vibratory sieve air feed, to assist proportion screening, vibration screening further to remove pneumatic jig Remaining impurity afterwards, effectively improve the cleanliness factor of finished product of grain.
The loss of weight spring set between vibratory sieve and frame is using the inside and outside two-man act being arranged, and it has higher intensity, buffering Effect is more excellent, extends the service life of loss of weight spring.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention,
Fig. 2 is the structural representation of vibratory sieve of the present invention,
Fig. 3 is the structural representation of damping spring of the present invention,
Fig. 4 is Fig. 3 top view.
Embodiment
For ease of skilled artisan understands that technical solution of the present invention, in conjunction with Figure of description to the technology of the present invention side Case is described further.
Refering to Fig. 1, a kind of screen fraction for multistage pneumatic separation grains separating machine that technical solution of the present invention provides is including vertical Pneumatic jig 2, proportion sieve 5, vibratory sieve 6, material sieves the screening of 5 and vibratory sieve 6 by vertical pneumatic jig 2, proportion, wherein the lightweight contained The inorganic impurities such as impurity, but proportion different stone close from cereal granularity, clod and flat son, the cereal that goes mouldy are removed, and are obtained To finished product of grain.
Refering to Fig. 1, multistage pneumatic separation grains separating machine of the present invention includes frame 1, and the frame 1 is provided with level Adjusting means 15, refiner is steady by the level(l)ing device 15 adjustment complete machine first before using, and frame 1 is horizontal, in frame 1 It is installed with vertical pneumatic jig 2, the upper end of pneumatic jig 2 is connected with feed hopper 3, and pneumatic gate valve is provided with the junction of pneumatic jig 2 at feed hopper 3 14, the upper side wall of pneumatic jig 2 is connected with dedusting fan 4, and the lower section of pneumatic jig 2 is provided with proportion sieve 5, and the proportion sieve 5 is obliquely installed, before it Hold low rear end high, proportion sieve 5 is 26 ° with horizontal plane angle, and the front end of proportion sieve 5 is located at the lower section of pneumatic jig 2, and proportion is sieved under 5 rear ends Side is provided with vibratory sieve 6, and the vibratory sieve 6 is obliquely installed, and the high rear end in its front end is low, and vibratory sieve 6 is 8 ° with horizontal plane angle, waits to sieve The raw grain material of choosing enters pneumatic jig 2 from feed hopper 3, in material it is light it is miscellaneous siphoned away by dedusting fan 4, but ought disposably enter inlet air The material of sieve 2 is more, light miscellaneous by the material bed thickening of pneumatic jig 2, dust, weeds in material bed lower section etc. in the unit interval Matter will result in it and can not enter dedusting fan 4 due to the stop of cereal, or with reasons such as cereal collisions, to solve the problem, Proportion sieve lower section is provided with main air blower 7, and the discharge pipe of the main air blower 7 is connected with the first airduct, the second airduct by four-way connection With the 3rd airduct, the air outlet of first airduct connects with the lower wall of pneumatic jig 2, and the second airduct air outlet is located at proportion sieve 5 middle parts lower section, and 5 being connected with proportion sieve, the 3rd airduct air outlet are located at the front end of vibratory sieve 6, and with inside vibratory sieve 6 Connection, main air blower 7 are supplied to the lower section of pneumatic jig 2, proportion sieve 5 and vibratory sieve 6 respectively by the first airduct, the second airduct and the 3rd airduct Wind, the wind that the lower section of pneumatic jig 2 is entered from the first airduct flow from the lower to upper part of pneumatic jig 2, and light by whereabouts miscellaneous blows back top, weight Wind-force removal of impurities is carried out again, and contained light miscellaneous amount greatly reduces in the material so entered in follow-up proportion sieve 5, now utilizes the Two airducts sieve 5 lower section air feeds and the 3rd airduct to the air feed of vibratory sieve 6 to proportion, carry out proportion winnow, shake clean while, It is aided with wind-force impurity elimination, further removes removing light impurities and dust.
5, vibratory sieve 6 is sieved because wind, the second airduct and the 3rd airduct of the first airduct feeding pneumatic jig 2 are respectively fed to proportion The purpose of wind is different, and institute's required airflow would also vary from, and the feed product weight of pneumatic jig 2 is entered in the unit interval Also institute's required airflow can have been influenceed, therefore the present invention is equipped with wind in the discharge pipe of main air blower 7, the first airduct and the second airduct Adjustable valve, the volume damper include air-flow plate, and the air-flow plate is arranged in each airduct by rotating shaft, institute The one end for stating rotating shaft is stretched out outside airduct, and is provided with adjusting handle 8.
Material sieves 5 rear ends after pneumatic jig 2, proportion sieve 5 screening, from proportion and enters vibratory sieve 6, refering to Fig. 2, vibratory sieve 6 include housing 9 and vibration screen, and the vibration screen includes one-level screen cloth 10 and two level screen cloth 11, the one-level screen cloth 10 Sieve aperture is more than the sieve aperture of two level screen cloth 11, and the dust entered in the material of vibratory sieve 6 is blown away by the wind that the 3rd airduct is sent into, The grain impurity bigger than cereal is stayed on one-level screen cloth 10, and the particle impurity smaller than cereal then falls in housing, and cereal stays in two level On screen cloth 11, one-level screen cloth 10, two level screen cloth 11 are removably installed in housing 9, for different material, it is convenient to more Change the screen cloth with different size perforations.
Loss of weight spring is provided between the lower end of housing 9 of vibratory sieve 6 and frame 1, as shown in Figures 3 and 4, the loss of weight spring by The interior spring 12 and outer spring 13 being coaxially disposed are formed, and the interior spring 12 is connected with the lower end of outer spring 13 with frame 1, the interior upper end of spring 12 It is connected higher than outer spring 13, and with housing 9, the interior spring 12 being coaxially arranged collectively forms loss of weight spring with outer spring 13, and its intensity is more Height, buffering effect is more preferable, and service life is longer.
Multistage pneumatic separation grains separating machine operation principle and process provided by the invention are as follows:Pneumatic gate valve 14 controls pneumatic jig 2 Upper end open size, the amount for the raw grain material that the unit interval entered in pneumatic jig 2 is determined, thus can determine that the first airduct, Two airducts and the 3rd airduct each institute's required airflow, and then pass through the regulation on the discharge pipe of main air blower 7, the first airduct and the second airduct Handwheel 8 is adjusted manually to each volume damper, to adapt to airflow pressure needed for each screening plant, after the completion of adjustment, you can Enter raw grain material to be screened, material enters pneumatic jig 2 by feed hopper 3, and part is gently miscellaneous to be inhaled into dedusting fan 4, the material of whereabouts In the light miscellaneous wind sent by the first airduct being not yet removed that contains rise and rise, repeat selection by winnowing removal of impurities, material enters Proportion screening is carried out to proportion sieve 5, the wind that the second airduct is sent out carries out selection by winnowing removal of impurities to the material in proportion sieve 5, afterwards material Into vibratory sieve 6, while the 3rd air duct blow carries out selection by winnowing removal of impurities again, by repeating selection by winnowing removal of impurities in pneumatic jig 2, is sieved in proportion It is aided with wind-force removal of impurities during choosing, vibration screening, effectively improves the dust removal rate of refiner, improves the cleaning of finished product of grain Degree, while avoid blocking screen mesh.
It should be noted that the structure not specifically described in the present invention, such as proportion sieve 5 and the impurity of each screen fraction Outlet etc., it is same as the prior art, without being described in detail.
Invention is exemplarily described above in conjunction with accompanying drawing for technical solution of the present invention, it is clear that present invention specific implementation It is not subject to the restrictions described above, as long as the various unsubstantialities for employing inventive concept and technical scheme of the present invention progress change Enter, or it is not improved the design of invention and technical scheme are directly applied into other occasions, in protection scope of the present invention Within.

Claims (10)

1. a kind of multistage pneumatic separation grains separating machine, including frame, the frame is provided with pneumatic jig, the pneumatic jig upper end be connected with into Hopper, pneumatic jig upper side wall are connected with dedusting fan, and proportion sieve is provided with below pneumatic jig, and the front end of the proportion sieve is located under pneumatic jig Side, proportion sieve are provided with vibratory sieve below rear end, it is characterised in that the proportion sieve lower section is provided with main air blower, the main air blower Discharge pipe is connected with the first airduct, and the air outlet of first airduct connects with pneumatic jig lower wall.
A kind of 2. multistage pneumatic separation grains separating machine according to claim 1, it is characterised in that the discharge pipe of the main air blower The second airduct, the 3rd airduct are also associated with, main air blower discharge pipe connects with the first airduct, the second airduct, the 3rd airduct by four Head connection, the second airduct air outlet is located at proportion sieve middle part lower section, and is connected with proportion sieve, the 3rd airduct air outlet Positioned at vibratory sieve front end, and with being connected inside vibratory sieve.
3. a kind of multistage pneumatic separation grains separating machine according to claim 1 or 2, it is characterised in that main air blower discharge pipe, Volume damper is equipped with one airduct and the second airduct.
4. a kind of multistage pneumatic separation grains separating machine according to claim 3, it is characterised in that the volume damper includes Air-flow plate, the air-flow plate are arranged in each airduct by rotating shaft, and one end of the rotating shaft is stretched out outside airduct, and sets It is equipped with adjusting handle.
5. a kind of multistage pneumatic separation grains separating machine according to claim 1, it is characterised in that the proportion sieve inclination is set To put, the low rear end in its front end is high, and proportion sieve and horizontal plane angle are 26 °, and the vibratory sieve is obliquely installed, and the high rear end in its front end is low, Vibratory sieve is 8 ° with horizontal plane angle.
6. a kind of multistage pneumatic separation grains separating machine according to claim 5, it is characterised in that the vibratory sieve includes housing And vibration screen, the vibration screen include one-level screen cloth and two level screen cloth, the sieve aperture of the one-level screen cloth is more than two level screen cloth Sieve aperture.
7. a kind of multistage pneumatic separation grains separating machine according to claim 6, it is characterised in that the vibration screen is detachable Ground is arranged in housing.
8. a kind of multistage pneumatic separation grains separating machine according to claim 7, it is characterised in that under the housing of the vibratory sieve Loss of weight spring is provided between end and frame, the loss of weight spring is made up of the interior spring being coaxially disposed and outer spring, the interior spring and outer spring Lower end be connected with frame, interior spring upper end is higher than outer spring, and is connected with housing.
9. a kind of multistage pneumatic separation grains separating machine according to claim 1, it is characterised in that the pneumatic jig connects with feed hopper Meet place and be provided with pneumatic gate valve.
10. a kind of multistage pneumatic separation grains separating machine according to claim 1, it is characterised in that the frame is provided with water Heibei provincial opera regulating device.
CN201711237854.1A 2017-11-30 2017-11-30 A kind of grains separating machine of multistage pneumatic separation Pending CN107824458A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711237854.1A CN107824458A (en) 2017-11-30 2017-11-30 A kind of grains separating machine of multistage pneumatic separation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711237854.1A CN107824458A (en) 2017-11-30 2017-11-30 A kind of grains separating machine of multistage pneumatic separation

Publications (1)

Publication Number Publication Date
CN107824458A true CN107824458A (en) 2018-03-23

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CN201711237854.1A Pending CN107824458A (en) 2017-11-30 2017-11-30 A kind of grains separating machine of multistage pneumatic separation

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111871775A (en) * 2020-07-30 2020-11-03 恒基利马格兰种业有限公司 Corn seed's choice device
CN114766705A (en) * 2022-04-27 2022-07-22 河南中烟工业有限责任公司 Tobacco shred winnowing machine for cigarette processing

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Publication number Priority date Publication date Assignee Title
GB326944A (en) * 1928-12-10 1930-03-27 Henry Mesinger Improved adjusting means for spring cushioning devices
CN2647447Y (en) * 2003-09-28 2004-10-13 石家庄三立谷物精选机械有限公司 Seed processing cart
CN203235689U (en) * 2013-03-11 2013-10-16 盐城市海科机械制造有限公司 Efficient gravel classifier
CN203599057U (en) * 2013-09-18 2014-05-21 泰戈特(北京)工程技术有限公司 Vibrating screen dual-spring vibration reduction device
CN203664204U (en) * 2014-01-09 2014-06-25 石家庄科优机械设备制造有限公司 Efficient composite classificator
CN204332760U (en) * 2015-01-16 2015-05-13 厦门明翰电气股份有限公司 A kind of 12kV vacuum circuit-breaker energy storage two-man act assembling and stretching device
CN207746120U (en) * 2017-11-30 2018-08-21 泗县三虎粮油机械有限公司 A kind of grains separating machine of multistage pneumatic separation

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB326944A (en) * 1928-12-10 1930-03-27 Henry Mesinger Improved adjusting means for spring cushioning devices
CN2647447Y (en) * 2003-09-28 2004-10-13 石家庄三立谷物精选机械有限公司 Seed processing cart
CN203235689U (en) * 2013-03-11 2013-10-16 盐城市海科机械制造有限公司 Efficient gravel classifier
CN203599057U (en) * 2013-09-18 2014-05-21 泰戈特(北京)工程技术有限公司 Vibrating screen dual-spring vibration reduction device
CN203664204U (en) * 2014-01-09 2014-06-25 石家庄科优机械设备制造有限公司 Efficient composite classificator
CN204332760U (en) * 2015-01-16 2015-05-13 厦门明翰电气股份有限公司 A kind of 12kV vacuum circuit-breaker energy storage two-man act assembling and stretching device
CN207746120U (en) * 2017-11-30 2018-08-21 泗县三虎粮油机械有限公司 A kind of grains separating machine of multistage pneumatic separation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111871775A (en) * 2020-07-30 2020-11-03 恒基利马格兰种业有限公司 Corn seed's choice device
CN111871775B (en) * 2020-07-30 2022-08-30 恒基利马格兰种业有限公司 Corn seed's choice device
CN114766705A (en) * 2022-04-27 2022-07-22 河南中烟工业有限责任公司 Tobacco shred winnowing machine for cigarette processing
CN114766705B (en) * 2022-04-27 2023-05-16 河南中烟工业有限责任公司 Tobacco shred winnowing machine for cigarette processing

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