CN109499881B - Winnowing part - Google Patents
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- CN109499881B CN109499881B CN201910001728.9A CN201910001728A CN109499881B CN 109499881 B CN109499881 B CN 109499881B CN 201910001728 A CN201910001728 A CN 201910001728A CN 109499881 B CN109499881 B CN 109499881B
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- 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
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- 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
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Abstract
The invention discloses a winnowing piece, and belongs to crop seed impurity removal machinery. The novel air separation plate comprises air separation plates, air separation holes are formed in the air separation plates, the positions of the air separation holes in two vertically adjacent air separation plates are staggered with each other, each air separation plate comprises an air separation hole, a lower plate and a middle plate, the middle plates and the lower plates are connected in sequence, the air separation holes are formed in the middle plates, separation strips are arranged between every two adjacent air separation holes in the middle plates, the size and the shape of the air separation holes in the middle plates are the same, the distance between every two adjacent air separation holes is equal, namely, the size and the shape of the separation strips are the same, the plane where the middle plate is located on the air separation plate of an air separation piece and the air direction blown by a fan form an acute angle, the plane where the upper plate is located on the air separation plate of the air separation piece and the plane where the middle plate is located form an obtuse angle, the air separation plates of the. It can remove impurities from grains, remove moldy or unsaturated seeds.
Description
The invention is a divisional application, a parent application number: 2016106474655, respectively; name of mother case: a winnowing component and a winnowing method thereof; application date of the parent: 2016-08-09.
Technical Field
The invention relates to the field of crop seed impurity removal machinery, in particular to a winnowing piece.
Background
Traditional crops seed can detach impurity such as chaff, dust, earth in the cereal through manual operation or the mode of throwing down high altitude when the results, and the impurity such as chaff and earth in the cereal is taken away in the blowing, but impurity such as heavier stone that exists among the cereal sunning process is difficult to get rid of, and manual operation's intensity of labour is big, with high costs, and work efficiency is low.
Along with the development of agricultural automation, the automatic combine harvester replaces the operation mode of manually operating and harvesting crops in the past, crop seeds are harvested at one time through the grain combine harvester after being ripe, impurities such as heavier stones do not exist in the harvested grains, but lighter impurities such as unhygienic chaff, dust and soil still exist in the grains, some unsatisfied grains and mildewed seeds are contained, the quality of the seeds can be influenced, the automatic combine harvester is not convenient to sell and process at the later stage, and the mildewed seeds are not selected in time, the time accumulation is long, the mildews in the mildewed seeds can gradually spread to the good seeds, and the quality of the seeds is poor.
The prior art has the following impurities removing machines for grains: 1) the mode of sucking or blowing by a fan is adopted, fan blades in the impurity removing machine rotate to form pressure difference, when grains enter the impurity removing machine from a grain inlet, light impurities (husk, bran, dust and the like) are sucked away and discharged from an impurity outlet of an impurity removing air chamber, and meanwhile, the grains flow out from a grain outlet of an air duct under the action of gravity, so that the mode cannot separate the impurities with smaller specific gravity difference, such as mildewed seeds, from the good seeds; that is, only those impurities which are lighter than the grain and have a larger difference in specific gravity with the grain can be separated, if the flow rate of the grain is slightly larger, the impurities can not be removed, and for those impurities having a smaller difference in specific gravity with the seed, the impurities cannot be removed, and the combination of the mildewed seed and the good seed can cause poor quality of the accumulated seed, and those seeds with less full grains are not screened out and also affect the selling price of the seed; if the blades of the fan rotate too fast, good seeds can be sucked or blown away, so that the waste of grains is caused; 2) the mode of screening, vibration and suction or blowing is adopted, stones with heavier grain sizes are removed by the vibration and screening, and lighter impurities are removed by the suction or blowing mode, so that mildewed or unsaturated seeds cannot be removed.
Chinese utility model patent, grant bulletin number: CN204620422U, date of authorized announcement: 2015.09.09, discloses a winnowing impurity removing device, which comprises an impurity removing chamber, a blast device arranged at the bottom of the impurity removing chamber and a seed recovery device connected with the top of the impurity removing chamber; the air blowing device comprises a funnel-shaped exhaust hood and an air blower connected with the exhaust hood, wherein a trash collecting funnel is arranged in the center of the exhaust hood, the bottom of the trash collecting funnel is connected with a trash collecting bin through an impurity guide pipe, an air exhaust duct is formed between the exhaust hood and the trash collecting funnel, and a spiral guide plate is arranged in the air exhaust duct; the seed recovery device comprises a recovery chamber and a cloth bag arranged in the recovery chamber, the bottom of the recovery chamber is connected with an air inlet of an air blower, and the bottom of the cloth bag is connected with a material collecting bin. The utility model discloses a can do further processing to the seed through dust removal processing, with impurity and seed separation such as the great stone of weight, obtain cleaner seed, the later stage processing of being convenient for. The disadvantages are that: this patent is used for solving impurity such as the great stone of weight and seed separation, and the guide plate that sets up among this technical scheme will exhaust the wind channel and formed a plurality of air outlets to form whirlwind, utilize the principle of whirlwind suction, separate impurity such as the great stone of weight in the seed with the seed, can not get rid of the lighter impurity of seed, and go mouldy and not full seed.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problem that grains of crops in the prior art contain impurities, the invention provides an air separation piece. It can remove impurities in grains, separate mildewed or not full seeds from full seeds, and is convenient for seed storage or later sale and processing.
2. Technical scheme
In order to achieve the purpose, the scheme of the invention is carried out in the following way:
the utility model provides a winnowing spare, winnowing spare includes the winnowing board, is equipped with the selection by winnowing hole on the winnowing board, and the position in selection by winnowing hole on two adjacent winnowing boards from top to bottom staggers each other.
Preferably, the air separation plate comprises air separation holes, a lower plate and a middle plate, wherein the middle plate and the lower plate are connected in sequence, and the middle plate is provided with the air separation holes.
Preferably, the middle plate is uniformly provided with winnowing holes, and a separating strip is arranged between every two adjacent winnowing holes in the middle plate.
Preferably, the sizes and the shapes of the air separation holes in the middle plate are the same, and the distances between the adjacent air separation holes are equal, namely the sizes and the shapes of the separating strips are the same.
Preferably, the wind blowing from the fan along the horizontal direction blows to the wind selection piece, and the plane of the middle plate on the winnowing plate of the wind selection piece forms an acute angle with the horizontal direction.
Preferably, the plane of the upper plate on the wind selection plate of the wind selection element forms an obtuse angle with the plane of the middle plate.
Preferably, the winnowing plates of the winnowing component are parallel to each other, the distances between the upper and lower adjacent winnowing plates are the same, and the positions of the winnowing holes on the upper and lower adjacent winnowing plates are staggered with each other.
A winnowing method of a winnowing component comprises the following steps:
A. the left side of the wind selection piece is blown to the wind selection piece;
B. the flat waterfall-shaped materials fall onto the air separation plate, are blocked by the separating strips and respectively pass through the adjacent air separation holes, and the waterfall-shaped materials form a plurality of material bundles after passing through the air separation plate;
C. the material bundle falls in a gap formed by two adjacent air separation plates, the weight of the material is heavier than that of impurities, the falling speed of the material is faster than that of the impurities in the falling process, the impurities are retained in the gap formed by the two adjacent air separation plates, and air blown by a fan passes through the gap formed by the two adjacent air separation plates to fully contact the material bundle, blows the impurities on the outer edge of the material bundle and changes the falling direction of the material bundle rightwards;
D. the wind separation plate and the wind direction form an acute angle, and impurities are blown away along the middle plate of the wind separation plate and the upper plate under the action of the wind;
E. the material bundle continuously falls, the material bundle falling from the air separation hole of the previous air separation plate falls onto the separating strip of the next adjacent air separation plate, and passes through the adjacent air separation holes respectively under the blocking action of the separating strip, the material bundle of the previous bundle is separated and combined with the adjacent divided material bundle in the air separation hole to form a new material bundle, and impurities originally positioned in the center of the material bundle are also divided to the outer edge of the new material bundle;
F. repeating steps C, D and E to separate the material from the impurities;
H. the material continues to fall below the wind selector.
Preferably, the wind sorting piece is rectangular and is convenient to fix, and a closed space is formed by the wind sorting piece and a wind port from the left side of the sorting piece, so that the wind direction is centralized and constant, and materials are prevented from being blown away.
Preferably, the winnowing piece further comprises an upper plate, the middle plate and the lower plate are connected in sequence, and the included angle between the upper plate and the middle plate is smaller than or equal to 180 degrees.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) the invention has simple structure, the manufacturing parts are all purchased commonly, the manufacturing cost is low, and the application conditions are wide, such as wheat, soybean, rice, melon seeds and the like, so the invention is convenient for popularization and application;
(2) compared with the upper plate and the lower plate, the middle plate is very long in width, and is made of a stainless steel plate or other plates capable of bearing the falling acting force of the material, because the middle plate bears the falling acting force of the material;
(3) the included angle between the upper plate and the middle plate is less than or equal to 180 degrees, materials fall to the lower edge of the winnowing hole and can be scattered to the left side of the winnowing piece under the action of the lower edge, the upper plate plays a role in resisting the materials from being scattered to the left side of the winnowing piece, the materials are prevented from falling to a place except the left side of the winnowing piece in the falling process, the site is kept clean and tidy, the materials are thoroughly separated from impurities, and the cleanness of the materials is realized;
(4) the wind selecting piece has a simple structure, but solves the problem which cannot be solved all the time, namely the problem that mildew-resistant grains or unsaturated grains cannot be removed, breaks through the conventional thinking habit, fully contacts wind with the materials through the diversion idea, removes impurities in the materials, and achieves the purpose of removing mildew-resistant grains or unsaturated grains;
(5) the air separation plate adopts a mode of chamfering and arc transition, so that the falling of materials is prevented, the structure of the materials is damaged, and the normal processing and sale of the materials are influenced;
(6) the winnowing piece has high material impurity removal speed, can remove impurities from 30-50 tons of materials per hour, and has higher speed than a common impurity remover;
(7) the invention adopts the dust adsorption equipment, dust in the blown material is inevitably blown up by wind, and the dust adsorption equipment is arranged at the position to keep the on-site air environment clean in the impurity removal process, collects the dust so as to avoid forming dust, influence the air environment and keep the air environment clean;
(8) according to the invention, impurities originally contained in the material are collected by using the impurity collecting box, and light impurities and heavy impurities are respectively collected, so that the later classification treatment is facilitated, and the strategy of sustainable development of environmental protection is met;
(9) the air separation plate is rectangular and convenient to fix, and forms a closed space with an air inlet of air coming from the left side of the air separation part, so that the air direction is centralized and constant, and materials are prevented from being blown away;
(10) in the invention, if wind blows from the left side to the right side, the falling direction of the material is changed, the material moves in a parabolic manner towards the lower right side, the impurity and the material are lighter in ratio, the material moves towards the upper right side for a period of time and then falls, when the plane of the middle plate and the wind direction blown by the fan form an acute angle, the impurity falls along the middle plate in the horizontal direction, namely the wind direction blown by the fan, the right side of the plane of the middle plate is higher than the left side of the plane of the middle plate, the impurity slightly approaches to the weight of the material (such as mildewed seeds and unsaturated particle seeds) in the direction of the impurity (such as mildewed seeds and unsaturated particle seeds) after moving along the middle plate for a period of time towards the upper right side, the plane of the upper plate plays a guiding role, and the impurity is guided into the impurity collecting box, so that the impurity is separated from the material.
Drawings
Fig. 1 is a schematic diagram of an air classification plate structure;
FIG. 2 is a schematic diagram showing the relative positions of the air separation holes on the air separation member;
fig. 3 is a schematic view of the position between the fan and the air separation member of the present invention;
fig. 4 is a schematic structural view of the air classifier of the present invention.
The reference numerals in the schematic drawings illustrate:
1. an air separation plate; 101. a lower plate; 102. an upper plate; 103. winnowing holes; 104. a middle plate; 105. a dividing strip; 2. a feed hopper; 3. a fan; 301. a frequency converter; 4. a discharge hopper; 5. a trash collection box; 501. filtering the plate; 502. a heavy impurity hopper; 503. a light impurity hopper; 504. a dust outlet; 6. dust adsorption equipment; 601. an air inlet; 602. a dust raising filter bag; 603. raise dust collecting hopper.
Detailed Description
For a further understanding of the present invention, reference will now be made in detail to the embodiments illustrated in the drawings.
Example 1
An air separation component is combined with figures 1-4, and comprises air separation plates 1, air separation holes 103 are formed in the air separation plates 1, and the positions of the air separation holes 103 in two air separation plates 1 which are adjacent up and down are staggered.
The selection by winnowing piece includes a plurality of selection by winnowing boards 1, can set up as required, distance between the adjacent selection by winnowing board 1 is big more, wind passes the gap between the adjacent selection by winnowing board 1, it is more abundant more with the contact of material, the impurity that blows away is more, but apart from the process, the concentration of selection by winnowing hole 103 to the material on the selection by winnowing board 1 down of not being convenient for, and a selection by winnowing board 1 will not thoroughly get rid of the impurity in the material, it is difficult for avoiding being mixed with impurity in the material bundle, therefore, need to set up a plurality ofly on the selection by winnowing board 1 of selection by winnowing piece, the quantity of setting, it decides.
Example 2
An air separation element of this embodiment is similar to embodiment 1, wherein the difference is that the air separation plate 1 includes air separation holes 103, a lower plate 101 and a middle plate 104, wherein the middle plate 104 and the lower plate 101 are connected in sequence, and the middle plate 104 is provided with the air separation holes 103.
Example 3
The wind selection piece of this embodiment is similar to embodiment 1, wherein the difference lies in, still include upper plate 102, medium plate 104 and hypoplastron 101 connect gradually, the contained angle between upper plate 102 and medium plate 104 is less than or equal to 180, the material falls the lower limb of selection by winnowing hole 103, receive the effect of lower limb, can scatter to the wind selection piece left side, upper plate 102 plays and keeps out the effect that the material scatters to the wind selection piece left side, prevent that the material from falling the place outside the wind selection piece left side in the whereabouts in-process, keep on-the-spot clean, the thorough separation of material and impurity, realize the clean of material.
Example 4
The wind separation element of this embodiment is similar to that of embodiment 1, except that wind separation holes 103 are uniformly formed in middle plate 104, and a separation strip 105 is disposed between two adjacent wind separation holes 103 of middle plate 104.
Example 5
A wind separation element of this embodiment is similar to that of embodiment 1, except that the wind separation holes 103 of the middle plate 104 have the same size and shape, and the distances between adjacent wind separation holes 103 are equal, i.e. the separation strips 105 have the same size and shape.
The materials fall from the upper part of the wind separation plate 1 under the action of gravity, and are separated under the blocking action of the separating strips 105 between the adjacent wind separation holes 103, the materials are respectively collected into the wind separation holes 103 adjacent to the separating strips 105 and fall from the wind separation holes 103, the falling section of the materials is divided into a shape close to the shape of the wind separation holes 103, a bunch of materials is formed in the vertical direction and passes through the gaps between the adjacent wind separation plates 1 to fall, the wind of the fan 3 passes through the gaps between the adjacent wind separation plates 1 and blows through the gaps between the two adjacent bunches of materials, the wind is fully contacted with the materials to blow away impurities carried in each bunch of materials, because the materials are gathered into a bunch shape through the wind separation holes 103, the impurities are mixed in the bunch of materials, the wind blown by the fan 3 blows away the impurities on the outer side and the outer side of the bunch of materials (the wind force is not easy to be too large, otherwise, the material is blown away), impurities mixed in the center of the bunch-shaped material can be removed slightly, partial impurities are still mixed in the center of the material, the material passes through a gap between adjacent air separation plates 1, the material with a small amount of impurities in the center falls onto the other air separation plate 1, positions of air separation holes 103 on the two adjacent air separation plates 1 are staggered, so that a bunch of material falling from the air separation holes 103 on the upper air separation plate 1 falls onto a separation strip 105 between the two adjacent air separation holes 103 on a middle plate 104 of the lower air separation plate 1, the bunch of material is blocked by the separation strip 105, a bunch of material is separated from the middle and recombined and is respectively collected into the air separation holes 103 adjacent to the separation strip 105, meanwhile, positions of the impurities in the material are changed, and the impurities originally located in the center of the material are blocked by the separation strip 105, the materials are separated from the center of the materials, the materials are combined with the adjacent materials to form a bunch of materials again, impurities are located on the outer side of a newly formed bunch of materials, air of a fan 3 penetrates through a gap between the adjacent winnowing plates 1 and penetrates through a gap between the two adjacent bunches of materials to be fully contacted with the materials, the impurities are taken away, the impurities are separated from the materials, the materials continuously fall down, the steps are repeated, in the falling process of the bunch of materials, the density of the materials is high, the weight of the materials is heavier than that of the impurities, the speed of the materials is higher and higher in the falling process, compared with the speed of the impurities, the speed of the impurities is lower and lower, when the air blows, the impurities are taken away along the wind direction, the clean materials fall down, and the separation of the.
Example 6
A wind selector in this embodiment is similar to that in embodiment 1, except that the plane of the middle plate 104 on the wind selector plate 1 is at an acute angle to the direction of the wind from the fan 3.
The plane of the middle plate 104 is at an acute angle with the direction of the wind blown by the fan 3, and is designed for changing the falling direction of the material after the wind blows from the left side to the right, so that the material moves in a parabolic manner towards the lower right, while the impurities are lighter than the material, and after being blown by the wind, the impurities fall downwards after moving upwards for a period of time, if the right side of the plane of the middle plate 104 is lower than the left side of the plane of the middle plate 104 (i.e. the plane of the middle plate 104 forms an obtuse angle with the direction of the wind blown by the fan 3) in the horizontal direction, i.e. the direction of the wind blown by the fan 3, then the impurities fall downwards after moving upwards for a period of time, the impurities slightly close to the weight of the material (such as mildewed seeds and undersaturated particle seeds) move upwards for a short distance, and before reaching the impurity collecting box 5, the impurities fall downwards under the wind sorting piece to be mixed with the cleaned material, resulting in impurities in the clean material, wasting labor force, wasting resources and time.
Example 7
A wind selector of the present embodiment is similar to that of embodiment 1, except that the plane of the upper plate 102 of the wind selector 1 is at an obtuse angle to the plane of the middle plate 104.
After wind blows from the left side to the right side, the falling direction of the material is changed, the material moves in a parabolic manner towards the lower right side, the impurity-to-material ratio is light, after being blown by the wind, the material moves towards the upper right side for a period of time and then falls, when the plane of the middle plate 104 and the wind direction blown by the fan 3 form an acute angle, the impurity moves towards the upper right side along the middle plate in the horizontal direction, namely the wind direction blown by the fan 3 is upward, the right side of the plane of the middle plate 104 is higher than the left side of the plane of the middle plate 104, the impurity falls along the middle plate in the upper right side after moving for a period of time, the impurity (such as mildewed seeds and unsaturated particle seeds) 104 slightly approach to the weight of the material moves towards the upper right side, the plane of the upper plate 102 plays a guiding role, the impurity is guided into the impurity collecting box 5, so that the impurity is separated from the material, and a small part of the impurity mixed in the material slides, form a bunch of materials with other materials, blow through fan 3, clear away impurity.
If along the wind direction, the plane of upper plate 102 and the plane of middle plate 104 form an acute angle, upper plate 102 will block impurities from entering impurity collecting box 5, but is blocked back to middle plate 104, and flows into discharging hopper 4 along with the material, so, along the wind direction, the plane of upper plate 102 and the plane of middle plate 104 form an obtuse angle, the impurities move to the upper right, depending on the wind force, the plane of upper plate 102 plays a guiding role, and the impurities are guided into impurity collecting box 5.
The plane that lower plate 101 is located and middle plate 104 are less than or equal to 180, for example, the wind that fan 3 blown blows from left to right, will make the direction of material whereabouts, toward right partially, and the position outside air classification board 1 left side can not dropped to the material that is located the left side of air classification board 1, and the middle plate 104 of air classification board 1 and the direction that blows of wind become the acute angle, so, the material can not drop the position outside air classification board 1 right side yet, so that, impurity in the material can be by smooth separation, and can not scatter in the clean material has impurity.
Example 8
An air separation element of this embodiment is similar to embodiment 1, except that the air separation plates 1 of the air separation element are parallel to each other, the distances between the upper and lower adjacent air separation plates 1 are the same, and the positions of the air separation holes 103 of the two upper and lower adjacent air separation plates 1 are staggered.
The wind selecting piece provided by the invention has a simple structure, but solves the problem which cannot be solved all the time, namely the problem that mildew-resistant grains or unsaturated grains cannot be removed, breaks through the conventional thinking habit, fully contacts wind with the materials through a flow dividing idea, removes impurities in the materials, and achieves the purpose of removing mildew-resistant grains or unsaturated grains.
Example 9
The winnowing method of the wind separation piece in the embodiment comprises the following steps:
A. the left side of the wind selection piece is blown to the wind selection piece;
B. the flat waterfall-shaped materials fall onto the air separation plate 1 and pass through the adjacent air separation holes 103 under the blocking action of the separating strips 105, and the waterfall-shaped materials form a plurality of material beams after passing through the air separation plate 1;
C. the material bundle falls in a gap formed by two adjacent air separation plates 1, the weight of the material is heavier than that of impurities, the falling speed of the material is faster than that of the impurities in the falling process, the impurities are retained in the gap formed by the two adjacent air separation plates 1, and air blown by a fan 3 passes through the gap formed by the two adjacent air separation plates 1 to fully contact the material bundle, blows away the impurities on the outer edge of the material bundle and changes the falling direction of the material bundle rightwards;
the wind blows from left to right, when falling, the materials and the impurities incline to right and cannot fall to the place outside the winnowing piece, so that the separation of clean materials and impurities is ensured;
D. the air separation plate 1 forms an acute angle with the direction of wind, and impurities are blown away along the middle plate 104 of the air separation plate 1 and the direction of the upper plate 102 under the action of the wind;
E. the material beams continuously fall, the material beams falling from the air separation holes 103 of the previous air separation plate 1 fall onto the separating strips 105 of the next adjacent air separation plate 1 and respectively pass through the adjacent air separation holes 103 under the blocking action of the separating strips 105, the previous material beam is separated and combined with the adjacent separated material beams in the air separation holes 103 to form new material beams, and impurities originally positioned in the center of the material beams are also separated to the outer edges of the new material beams;
F. repeating steps C, D and E to separate the material from the impurities;
H. the material continues to fall below the wind selector.
Example 10
The wind separation element of the present embodiment is similar to that of embodiment 1, wherein the difference is that the wind separation plate 1 is rectangular and is convenient to fix, and forms a closed space with the wind inlet on the left side of the wind separation element, so that the wind direction is centralized and constant, and the material is prevented from being blown away.
The shape of the winnowing plate 1 is not limited, and can be other shapes, wherein a rectangle is selected, the rectangular winnowing plate 1 is mainly considered to be convenient for being fixedly matched with other parts of a winnowing machine, and meanwhile, the rectangular winnowing plate is also considered to be convenient for processing, production and assembly, and two wide edges of the winnowing plate 1 are welded or are fixed inside the winnowing machine through bolts penetrating through screw holes.
The upper plate 102, the middle plate 104 and the lower plate 101 on the air separation plate 1 are all rectangular and have the same length, the widths of the lower plate 101, the upper plate 102 and the middle plate 104 are sequentially lengthened, the middle plate 104 is uniformly provided with air separation holes 103, a separation strip 105 is arranged between two adjacent air separation holes 103 on the middle plate 104, the sizes and the shapes of the air separation holes 103 on the middle plate 104 are the same, the distances between the adjacent air separation holes 103 are equal, the included angle between the plane where the upper plate 102 is located and the plane where the middle plate 104 is located is an obtuse angle, and the included angle between the plane where the lower plate 101 is located and the plane where the upper plate 102 is.
Example 11
A wind selector of this embodiment is similar to that of embodiment 1, except that the wind selector further includes an upper plate 102, the upper plate 102, a middle plate 104, and a lower plate 101 are connected in sequence, and an included angle between the upper plate 102 and the middle plate 104 is less than or equal to 180 °.
In the steps B and E, the materials fall on the lower edge of the air separation hole 103 and can fall on the left side of the air separation piece under the action of the lower edge, the upper plate 102 plays a role in resisting the materials from falling on the left side of the air separation piece, the materials are prevented from falling on the places except the left side of the air separation piece in the falling process, the site is kept clean, the materials and impurities are thoroughly separated, and the cleanness of the materials is realized.
Example 12
The wind separation element of the embodiment is similar to that of the embodiment 1, and the difference is that the wind separation plate 1 adopts a chamfer and arc transition mode to prevent the material from falling down, damage the structure of the material and influence the normal processing and sale of the material.
Example 13
The winnowing machine of this embodiment, as shown in fig. 4, includes a fan 3, a trash box 5, and further includes a winnowing member, a feeding hopper 2, and a discharging hopper 4 as described above, wherein, the lower side of the feeding hopper 2 is the winnowing member, the discharging hopper 4 is located below the winnowing member, the fan 3 is located on the left side of the winnowing member, and the right side of the winnowing member is the trash box 5.
The material gets into the air separator from feeding hopper 2 in, on falling the wind selection piece, the wind that the left fan 3 of selection by winnowing piece blew, blows the impurity that mix with in the material bundle to in the miscellaneous case 5 of collection, in the clean material fell discharge hopper 4 down, bagging-off transportation is sold or is processed production or is stored, does not have the chaff in the material, does not have the material that mildenes and rot and not full material, can not influence the normal sale of material.
The frequency converter 301 is connected with the fan 3, the rotating speed of the fan 3 is controlled, the size of wind is further controlled, the materials are homogenized and distributed, three layers of discharged materials are staggered and distributed, wind energy is fully utilized for stepless speed change, and the effect is obvious;
the invention adopts the frequency converter to control the air speed of the fan 3, compared with the traditional impurity removing equipment, the invention adopts a common fan, does not need to design a complicated fan, has low power of the fan, saves energy, has lower cost in the using process, does not need human participation and realizes the automatic impurity removing process.
The material outlet in the feeding hopper 2 is flat, so that the material falls down conveniently to form a waterfall shape, the waterfall is cut by the winnowing holes 103 in the winnowing plate 1 of the winnowing part conveniently, but the thickness of the waterfall is not too thick, and all impurities cannot be removed completely by wind.
Example 14
The winnowing machine of this embodiment is similar to embodiment 13, and the difference is that the winnowing machine further includes a raise dust adsorption device 6, and the raise dust adsorption device 6 sequentially includes an upper air inlet 601, a raise dust filter bag 602, and a raise dust collecting hopper 603 from top to bottom.
Example 15
The winnowing machine of the embodiment is similar to that of embodiment 13, and the difference is that the impurity collecting box 5 comprises a filter plate 501, a heavy impurity hopper 502, a light impurity hopper 503 and a raise dust outlet 504, the left side of the upper part of the impurity collecting box 5 is a wind separation part, the upper part of the impurity collecting box 5 is formed by combining the filter plate 501, the lower part of the impurity collecting box 5 is sequentially provided with the heavy impurity hopper 502 and the light impurity hopper 503 from left to right, the right side of the upper part of the impurity collecting box 5 is the raise dust outlet 504, and the raise dust outlet 504 is communicated with the raise dust adsorption equipment 6.
The filter plate 501 is used for keeping the air to be smooth with the outside air, the impurity collecting box 5 is square, and three surfaces of the upper part of the impurity collecting box 5 are all the filter plates 501, so that the air is kept to be smooth fully.
Example 16
The winnowing method of the winnowing machine in the embodiment comprises the following steps:
A. the fan 3 is turned on, the fan 3 rotates, and air is blown to the wind selecting piece;
B. the materials enter from the feeding hopper 2, are arranged into a waterfall shape and fall onto the wind selecting piece;
C. the waterfall-shaped materials fall onto the air separation plate 1, are blocked by the separating strips 105 and respectively pass through the adjacent air separation holes 103, and form a plurality of material beams after passing through the air separation plate 1;
D. the air blown by the fan 3 passes through the gap formed by the adjacent winnowing plates 1 and is fully contacted with the material bundle, so that impurities on the periphery of the outer side of the material bundle are blown away;
the wind separation plate 1 forms an acute angle with the wind direction, impurities are blown along the middle plate 102 and the upper plate 104 of the wind separation plate 1, and the impurities are blown into the impurity collecting box 5 under the action of the wind;
E. the material bundle continuously falls, the material bundle falling from the air separation hole 103 of the previous air separation plate 1 falls onto the separating strip 105 of the next adjacent air separation plate 1, and respectively passes through the adjacent air separation hole 103 under the blocking action of the separating strip 105, the previous material bundle is separated and combined with the adjacent separated material bundle in the air separation hole 103 to form a new material bundle, and impurities originally positioned in the center of the material bundle are also separated to the outer edge of the new material bundle;
F. repeating the step D and the step E;
G. the clean material falls into the discharge hopper 4 and is collected.
In the prior art, the magnetic back suction type impurity remover is used, mildew-resistant grains or unsatisfied grains cannot be removed, the conventional thinking habit is broken through, the falling materials in a waterfall shape are changed into a bunch shape and are fully removed, the impurities mixed in the falling materials are fully contacted with the materials by wind, the mildew-resistant grains and the unsatisfied grains are lower than the normal material density and are blown away under the action of the wind, the quality of the materials after being winnowed is high, and the processing and the sale are convenient.
Example 17
The air separation method of the air separator of the present embodiment is similar to that of embodiment 16, except that in step C and step E, the impurities are blown into the impurity collecting box 5, the heavy impurities fall into the heavy impurity hopper 502 of the impurity collecting box 5 under the action of gravity, and the light impurities fall into the light impurity hopper 503 to be collected.
In the prior art, when the seeds of crops are harvested, a large-scale combine harvester is adopted, so that the harvested seeds contain impurities which are heavier than the seeds, such as stones and gravels, and contain mildew, or unsaturated seeds, husks and the like which are lighter than the seeds, the invention forms a material bundle by relying on the action of an air selecting piece, blows off the impurities and is acted by gravity, the heavy impurities (such as mildew seed materials, unsaturated seed materials and the like) fall off firstly, a heavy impurity hopper 502 is arranged at one side of a sorting piece to collect the heavy impurities, the light impurities (such as husks and the like) are acted by air, and the light impurities fly to the right in the impurity collecting box for a moment and then fall off, fall into a light impurity hopper 503 and are collected; therefore, the impurities originally contained in the materials are collected, the light impurities and the heavy impurities are respectively collected, the classification treatment at the later stage is facilitated, and the strategy of sustainable development of environmental protection is met.
Example 18
The winnowing method of the winnowing machine of the embodiment is similar to that of embodiment 16, and is different in that the upper part of the impurity collecting box 5 is formed by combining filter plates 501, impurities are prone to raise dust in the impurity collecting box 5 under the action of wind, and the dust raising adsorption equipment 6 is positioned on the right side of the impurity collecting box 5 and communicated with the impurity collecting box 5 to adsorb the dust in the impurity collecting box 5 into the dust raising adsorption equipment 6.
Receive the dust in the blowing material of wind and can fly upward inevitably, at the in-process that carries out the edulcoration, for keeping on-the-spot air circumstance's clean, this place sets up raise dust adsorption equipment 6, and raise dust adsorption equipment 6 collects the raise dust to form the dust, influence air circumstance, keep air circumstance clean.
The winnowing machine provided by the invention has the advantages that the material impurity removal speed is high, 30-50 tons of materials can be removed per hour, and the winnowing machine is higher than a common impurity removal machine in speed.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (3)
1. A winnowing piece is characterized by comprising winnowing plates (1), wherein winnowing holes (103) are formed in the winnowing plates (1), and the positions of the winnowing holes (103) in two adjacent winnowing plates (1) are staggered;
the air separation plate (1) comprises air separation holes (103), an upper plate (102), a lower plate (101) and a middle plate (104), wherein the upper plate (102), the middle plate (104) and the lower plate (101) are sequentially connected, and the middle plate (104) is provided with the air separation holes (103);
the middle plate (104) is uniformly provided with air separation holes (103), and a separation strip (105) is arranged between two adjacent air separation holes (103) on the middle plate (104);
the sizes and the shapes of the air separation holes (103) in the middle plate (104) are the same, the distances between the adjacent air separation holes (103) are the same, and namely the sizes and the shapes of the separating strips (105) are the same;
the wind blown by the fan (3) along the horizontal direction is blown onto the wind selection piece, and the plane of the middle plate (104) on the winnowing plate (1) of the wind selection piece forms an acute angle with the horizontal direction;
the included angle between the plane of the upper plate (102) on the winnowing plate (1) and the plane of the middle plate (104) is less than or equal to 180 degrees.
2. An air separation element according to claim 1, characterized in that the air separation plates (1) are parallel to each other, the distance between two adjacent air separation plates (1) is the same, and the positions of the air separation holes (103) on two adjacent air separation plates (1) are staggered.
3. The air separation member as claimed in claim 1, wherein the air separation member is rectangular for easy fixing, and forms a closed space with the air inlet from the left side of the air separation member to concentrate the air direction to be constant, so as to prevent the material from being blown off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001728.9A CN109499881B (en) | 2016-08-09 | 2016-08-09 | Winnowing part |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001728.9A CN109499881B (en) | 2016-08-09 | 2016-08-09 | Winnowing part |
| CN201610647465.5A CN106563643B (en) | 2016-08-09 | 2016-08-09 | A kind of selection by winnowing part and its wind selection method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610647465.5A Division CN106563643B (en) | 2016-08-09 | 2016-08-09 | A kind of selection by winnowing part and its wind selection method |
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| CN109499881A CN109499881A (en) | 2019-03-22 |
| CN109499881B true CN109499881B (en) | 2020-03-24 |
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| CN201610647465.5A Expired - Fee Related CN106563643B (en) | 2016-08-09 | 2016-08-09 | A kind of selection by winnowing part and its wind selection method |
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| EP1506058B1 (en) * | 2002-05-16 | 2005-12-28 | KHD Humboldt Wedag GmbH | Circulating grinding plant comprising a mill and a sifter |
| CN204294504U (en) * | 2014-08-05 | 2015-04-29 | 金塔县鑫农农业机械有限公司 | A kind of particle crop screening device |
| CN204261952U (en) * | 2014-09-23 | 2015-04-15 | 石河子开发区天佐种子机械有限责任公司 | Air ducting, with the sieve plate of air ducting and cleaner |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106563643A (en) | 2017-04-19 |
| CN109499881A (en) | 2019-03-22 |
| CN106563643B (en) | 2019-05-24 |
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