CN106111538A - Grain combination receiving sieve - Google Patents
Grain combination receiving sieve Download PDFInfo
- Publication number
- CN106111538A CN106111538A CN201610700382.8A CN201610700382A CN106111538A CN 106111538 A CN106111538 A CN 106111538A CN 201610700382 A CN201610700382 A CN 201610700382A CN 106111538 A CN106111538 A CN 106111538A
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- Prior art keywords
- grain
- miscellaneous
- sieve
- cleaning mechanism
- impurity
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
-
- 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
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/01—Selective separation of solid materials carried by, or dispersed in, gas currents using gravity
Abstract
The invention discloses a kind of grain combination receiving sieve, including the raw grain entrance laid successively, granule foreign screening cleaning mechanism, light impurities selecting crude drugs with winnower cleaning mechanism and the outlet of clean grain, granule foreign screening cleaning mechanism be provided with between light impurities selecting crude drugs with winnower cleaning mechanism for by changing suddenly the most miscellaneous and dust making the material of different densities separate to eliminate in grain by the way of air-flow velocity and/or airflow direction and making the most miscellaneous and dust be able to the gravity trash chamber of gravitational settling and discharge.The impurity being delivered to light impurities selecting crude drugs with winnower cleaning mechanism is greatly reduced, thus causes the abrasion of light impurities selecting crude drugs with winnower cleaning mechanism inner blower in avoiding the light impurities of excess to enter directly into light impurities selecting crude drugs with winnower cleaning mechanism；The clear miscellaneous yield of grain and impurity-eliminating effect can be improved, make the probability containing grain in impurity be substantially reduced simultaneously.
Description
Technical field
The present invention relates to grain processing equipment technical field, especially, relate to a kind of grain combination receiving sieve.
Background technology
Oryza glutinosa in results, dry in the sun, transport, during storage etc., usually can be mixed into various impurity, raw grain adds man-hour entering factory
First should arrange, impurity is cleaned to meets meter factory and enters the requirement of machine raw grain processing, the arrangement process of this raw grain
Referred to as clear at the beginning of raw grain.Country's density criterion: purchase warehouse-in Oryza glutinosa impurity content is less than 1%, so must effectively remove
Go part in raw grain little miscellaneous, the most miscellaneous and the most miscellaneous.
At present grain mass precleaner mainly by cylindrical pre-cleaning screen, vibration receiving sieve, combination receiving sieve (combination form has two kinds:
Drum sieve+vibrosieve；Vibrosieve+vibrosieve+selecting crude drugs with winnower).Existing grain mass precleaner there is problems in that during removing light impurities,
Impurity often first passes through blower fan and arrives cyclone again, and substantial amounts of light impurities can cause blower fan serious wear；The disposal ability of grain
Low, screen rice yield is not more than 50T/H, and Semen Tritici aestivi is not more than 80T/H；Impurity-eliminating effect is poor, optimal dust removal rate 80～
Between 90%；Impurity easily occurs the situation containing grain.
Summary of the invention
The invention provides a kind of grain combination receiving sieve, to solve existing grain mass precleaner, during removing light impurities, miscellaneous
Matter often first passes through blower fan and arrives cyclone again, and substantial amounts of light impurities can cause blower fan serious wear；The disposal ability of grain is low；
Impurity-eliminating effect is poor；Containing easily occurs the technical problem of the situation of grain in impurity.
The present invention provides a kind of grain combination receiving sieve, including the raw grain entrance laid successively, granule foreign screening cleaning
Mechanism, light impurities selecting crude drugs with winnower cleaning mechanism and clean grain outlet, granule foreign screening cleaning mechanism is cleared up with light impurities selecting crude drugs with winnower
Be provided with between mechanism for make by the way of suddenly changing air-flow velocity and/or airflow direction the material of different densities separate with
Eliminate the most miscellaneous and dust in grain and make the most miscellaneous gravity trash chamber being able to gravitational settling and discharge with dust.
Further, granule foreign screening cleaning mechanism includes the multi-stage screening mechanism of the descending distribution of sieve aperture.
Further, granule foreign screening cleaning mechanism include big miscellaneous food passageway, be on big miscellaneous food passageway big
Miscellaneous sieve, middle small coarse cereals are eaten passage and are in the medium and small miscellaneous sieve on middle small coarse cereals food passage, big miscellaneous food passageway and middle small coarse cereals
Food passage is laid to clean grain Way out successively by raw grain entrance；Big miscellaneous food passageway is provided with for providing screen cloth for big miscellaneous sieve
The big miscellaneous sieve vibrating motor of vibration power, big miscellaneous food passageway is connected with the big miscellaneous outlet for exporting large granular impurity；Medium and small miscellaneous
Food passageway is provided with the medium and small miscellaneous sieve vibrating motor for providing screen cloth vibration power for medium and small miscellaneous sieve, middle small coarse cereals food passage
It is connected with the medium and small miscellaneous outlet for exporting small particles impurity.
Further, big miscellaneous sieve and/or medium and small miscellaneous sieve are connected with for clearing up screen surface impurity to prevent impurity from blocking
The sieve cover cleaning mechanism of screen cloth mesh.
Further, gravity trash chamber is communicated to the outfan of granule foreign screening cleaning mechanism by airduct, and gravity removes
Miscellaneous room is provided with the light miscellaneous impurity discharging port for discharging light impurities.
Further, big miscellaneous outlet and medium and small miscellaneous outlet are common pressure chamber；The inner chamber of airduct is negative pressure cavity；Middle small coarse cereals is eaten
The blast barrier film of small coarse cereals food passage in preventing air-flow from inversely entering it is provided with between passage and airduct.
Further, light impurities selecting crude drugs with winnower cleaning mechanism includes being connected in the dedusting fan of gravity trash chamber outfan and setting
Cyclone in dedusting fan outfan.
Further, big miscellaneous sieve compass screen surface width is 1m-2.5m, and screen length is 1m-2.5m；Medium and small miscellaneous sieve compass screen surface width is
1m-2.5m, screen length is 1.5m-2.5m；Within the beam overall of grain combination receiving sieve is 2.3m, within total height is 4m.
Further, big miscellaneous sieve compass screen surface width is 1.5m, and screen length is 1.5m；Medium and small miscellaneous sieve compass screen surface width is 1.6m,
Screen length is 2.5m.
Further, it is provided with bottom granule foreign screening cleaning mechanism for caching vibration force and cutting down subtracting of vibrating noise
Shake spring.
Further, grain combines to be provided with bottom receiving sieve and moves integrally for grain combination receiving sieve or fix support
Underframe；Within upper dress height above underframe is 2.98m.
The method have the advantages that
Grain of the present invention combination receiving sieve, by granule foreign screening cleaning mechanism and light impurities selecting crude drugs with winnower cleaning mechanism
Between gravity trash chamber is set, by gravity trash chamber change suddenly by granule foreign screening cleaning mechanism to light impurities selecting crude drugs with winnower
The air flow rate of cleaning mechanism and/or airflow direction, with force the grain of different densities in air-flow, granule foreign, light impurities,
Dust separation, the relatively large grain of density falls and enters the outlet output of clean grain after rise by passage, granule foreign, light impurities,
Dust separation drops to different delivery outlet output respectively, so that be delivered to the impurity of light impurities selecting crude drugs with winnower cleaning mechanism significantly
Reduce, thus cause light impurities selecting crude drugs with winnower in avoiding the light impurities of excess to enter directly into light impurities selecting crude drugs with winnower cleaning mechanism
The abrasion of cleaning mechanism inner blower；The clear miscellaneous yield of grain and impurity-eliminating effect can be improved, make impurity contains the several of grain simultaneously
Rate is substantially reduced.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the grain combination receiving sieve of the preferred embodiment of the present invention.
Marginal data:
1, raw grain entrance；2, granule foreign screening cleaning mechanism；201, big miscellaneous food passageway；202, big miscellaneous sieve；203, in
Small coarse cereals food passage；204, medium and small miscellaneous sieve；205, big miscellaneous sieve vibrating motor；206, medium and small miscellaneous sieve vibrating motor；207, the most miscellaneous go out
Mouthful；208, medium and small miscellaneous outlet；3, light impurities selecting crude drugs with winnower cleaning mechanism；4, clean grain outlet；5, gravity trash chamber；501, drainage wind
Machine；6, sieve cover cleaning mechanism；7, blast barrier film；8, underframe；9, airduct；10, shock-absorbing spring；11, winnower.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention can be limited by following and
The multitude of different ways covered is implemented.
Fig. 1 is the structural representation of the grain combination receiving sieve of the preferred embodiment of the present invention.As it is shown in figure 1, the present embodiment
Grain combination receiving sieve, clear including the raw grain entrance 1 laid successively, granule foreign screening cleaning mechanism 2, light impurities selecting crude drugs with winnower
Reason mechanism 3 and clean grain outlet 4, be provided with between granule foreign screening cleaning mechanism 2 and light impurities selecting crude drugs with winnower cleaning mechanism 3 for
The material making different densities by the way of suddenly changing air-flow velocity and/or airflow direction separates the most miscellaneous with eliminate in grain
With dust make the most miscellaneous and dust be able to the gravity trash chamber 5 of gravitational settling and discharge.Alternatively, gravity trash chamber 5 is connected with use
The air-flow velocity in gravity trash chamber 5 and/or the gravity blower fan 501 of airflow direction is changed in suddenly.Alternatively, clean grain outlet 4
It is provided with for the clean grain of output is carried out remove impurity and receives the winnower 11 of the grain filtered out from gravity trash chamber.The present invention
Grain combination receiving sieve, by arranging gravity between granule foreign screening cleaning mechanism 2 and light impurities selecting crude drugs with winnower cleaning mechanism 3
Trash chamber 5, is changed suddenly by granule foreign screening cleaning mechanism 2 to light impurities selecting crude drugs with winnower cleaning mechanism 3 by gravity trash chamber 5
Air flow rate and/or airflow direction, to force the grain of different densities, granule foreign, light impurities, dust in air-flow to divide
Being fallen after rise by passage from the grain that, density is relatively large and enter clean grain outlet 4 output, granule foreign, light impurities, dust divide
From dropping to different delivery outlet output respectively, so that the impurity being delivered to light impurities selecting crude drugs with winnower cleaning mechanism 3 greatly reduces,
Thus cause light impurities selecting crude drugs with winnower to clear up in avoiding the light impurities of excess to enter directly into light impurities selecting crude drugs with winnower cleaning mechanism 3
The abrasion of mechanism 3 inner blower；The clear miscellaneous yield of grain and impurity-eliminating effect can be improved, make the probability containing grain in impurity big simultaneously
Big reduction.
As it is shown in figure 1, in the present embodiment, granule foreign screening cleaning mechanism 2 includes the multistage of the descending distribution of sieve aperture
Screening mechanism.Form the multiple screening roguing to raw grain, thus fully get rid of the granule foreign in grain, can also avoid simultaneously
Grain is misprinted the probability removed, and improves the yield that raw grain arranges.
As it is shown in figure 1, in the present embodiment, granule foreign screening cleaning mechanism 2 includes big miscellaneous food passageway 201, is in greatly
Big miscellaneous sieve 202 on miscellaneous food passageway 201, middle small coarse cereals food passage 203 and be in middle small coarse cereals food passage 203 on medium and small
Miscellaneous sieve 204.Big miscellaneous food passageway 201 and middle small coarse cereals food passage 203 are exported 4 directions by raw grain entrance 1 to clean grain and lay successively.
Big miscellaneous food passageway 201 is provided with the big miscellaneous sieve vibrating motor 205 for providing screen cloth vibration power for big miscellaneous sieve 202.The most miscellaneous
Food passageway 201 is connected with the big miscellaneous outlet 207 for exporting large granular impurity.Middle small coarse cereals food passage 203 be provided with for for
Medium and small miscellaneous sieve 204 provides the medium and small miscellaneous sieve vibrating motor 206 of screen cloth vibration power.Middle small coarse cereals food passage 203 is connected with for defeated
Go out the medium and small miscellaneous outlet 208 of small particles impurity.Wherein, big miscellaneous sieve 202 and medium and small miscellaneous sieve 204 belong to the portion of one group of relative concept
Part, it is intended to the mesh size mesh size more than medium and small miscellaneous sieve 204 of big miscellaneous sieve 202 is described, thus forms mesh aperture by greatly
Multi-stage screening mechanism to little formation.Preferably, two-stage screening is used to carry out the eliminating of granule foreign in raw grain, it is possible to increase former
The arrangement speed of grain, improves clean grain yield.Raw grain is entered, by big miscellaneous sieve 202 at big miscellaneous sieve vibrating motor by raw grain entrance 1
Under the driving effect of 205, the raw grain to big miscellaneous sieve 202 surface sieves, and large granular impurity is got rid of by big miscellaneous outlet 207, former
In grain drops into big miscellaneous food passageway 201 and lead to medium and small miscellaneous sieve 204.Medium and small miscellaneous sieve 204 is at medium and small miscellaneous sieve vibrating motor 206
Under driving effect, the raw grain to medium and small miscellaneous sieve 204 surface sieves, and small particles impurity is got rid of by medium and small miscellaneous outlet 208,
Raw grain drops in middle small coarse cereals eats passage 203 and leads to airduct 9.Clean grain exports 4 by winnower 11 remove impurity and by clean grain
Exporting and collect, light impurities sequentially enters gravity trash chamber 5, dedusting fan and cyclone by airduct 9 to carry out processing impurities removal,
Thus complete to reduce the light impurities pollution to environment while clean grain is collected.Alternatively, airduct 9 is vertically arranged, or inclines
Tiltedly arrange.
As it is shown in figure 1, in the present embodiment, big miscellaneous sieve 202 and/or medium and small miscellaneous sieve 204 are connected with for clearing up screen surface
Impurity is to prevent the sieve cover cleaning mechanism 6 of impurity blocking screen cloth mesh.Big miscellaneous sieve can be cleared up in time by sieve cover cleaning mechanism 6
202 and/or the impurity of medium and small miscellaneous sieve 204 surface sediment, prevent mesh from blocking, reduce artificial climbing and safeguard the risk brought, subtract
Probability is safeguarded in few cleaning, improves the efficiency that raw grain arranges, improves clean grain yield.
As it is shown in figure 1, in the present embodiment, gravity trash chamber 5 is communicated to granule foreign screening cleaning mechanism 2 by airduct 9
Outfan.Get rid of major part light impurities by gravity trash chamber 5, make the grain in light impurities can pass through wind simultaneously
Pipe 9 returns to clean grain outlet 4 and is collected, and reduces the grain content of light impurities.Reduce and be discharged into light impurities selecting crude drugs with winnower cleaning mechanism 3
Light impurities, reduce load and the abrasion of blower fan in light impurities selecting crude drugs with winnower cleaning mechanism 3, thus improve the use longevity of equipment
Order and reduce energy consumption.Gravity trash chamber 5 is provided with the light miscellaneous impurity discharging port for discharging light impurities.Make light impurities a large amount of
It is aggregated and gets rid of, preventing light impurities from forming floating dust environmental pollution.Alternatively, the light miscellaneous impurity discharging port of gravity trash chamber 5 can
To merge with medium and small miscellaneous outlet 208, discharge small particles impurity and light impurities simultaneously, thus reduce structure configuration, reduce whole
Taking up room of individual structure.
As it is shown in figure 1, in the present embodiment, big miscellaneous outlet 207 and medium and small miscellaneous outlet 208 are common pressure chamber.The inner chamber of airduct 9
For negative pressure cavity.Small coarse cereals food passage in preventing air-flow from inversely entering it is provided with between middle small coarse cereals food passage 203 and airduct 9
The blast barrier film 7 of 203.The negative pressure in airduct 9 is reduced miscellaneous to the granule of granule foreign screening cleaning mechanism 2 by blast barrier film 7
Matter get rid of impact, it is ensured that granule foreign screening cleaning mechanism 2 can normally impurities removal, prevent impurity from inversely moving.
As it is shown in figure 1, in the present embodiment, light impurities selecting crude drugs with winnower cleaning mechanism 3 includes being connected in gravity trash chamber 5 outfan
Dedusting fan and be located at the cyclone of dedusting fan outfan.Improve the disposal ability of light impurities and get rid of probability, anti-
Only light impurities constitutes airborne dust and constitutes the pollution to environment.
As it is shown in figure 1, in the present embodiment, big miscellaneous sieve 202 compass screen surface width is 1m-2.5m, and screen length is 1m-2.5m.In
Little miscellaneous sieve 204 compass screen surface width is 1m-2.5m, and screen length is 1.5m-2.5m.The beam overall of grain combination receiving sieve be 2.3m with
In, within total height is 4m.Make each structure form rational design size, while efficiently processing raw grain, improve entirety
The mobility of structure, facilitates movement and the use of integral device.
As it is shown in figure 1, in the present embodiment, big miscellaneous sieve 202 compass screen surface width is 1.5m, and screen length is 1.5m.Medium and small miscellaneous sieve
204 compass screen surface width are 1.6m, and screen length is 2.5m.Use preferably size, while efficiently processing raw grain, improve entirety
The mobility of structure, facilitates movement and the use of integral device, reduces manufacturing cost.
As it is shown in figure 1, in the present embodiment, be provided with for caching vibration force and disappearing bottom granule foreign screening cleaning mechanism 2
Subtract the shock-absorbing spring 10 of vibrating noise.Reduce the vibration force in During Process of Screening of Vibration Screen, also be able to reduce vibrating noise simultaneously, optimize
Working environment.
In the present embodiment, it is provided with bottom grain combination receiving sieve and moves integrally or fixing support for grain combination receiving sieve
Underframe 8.Within underframe 8 upper dress height above is 2.98m.Alternatively, it is provided with movable pulley bottom underframe 8, facilitates equipment
Move integrally.Alternatively, bottom underframe 8, it is provided with telescopic fixed support, facilitates the overall positioning operation of equipment.Convenient entirety
The movement of structure and fixing use.
During enforcement, it is provided that a kind of grain combination receiving sieve, belong to the combination receiving sieve of " vibrosieve+vibrosieve+selecting crude drugs with winnower " formula.Greatly
Miscellaneous sieve 202 compass screen surface width is 1.5 meters, screen length is 1.5 meters.Medium and small miscellaneous sieve 204 compass screen surface width is 1.6 meters, screen length is
2.5 rice.Whole equipment beam overall controls below 2.3 meters, height overall controls below 4.0 meters.Upper dress Altitude control above underframe
Below 2.98 meters.It is easy to long-distance transport and quickly assembles.Gravity trash chamber 5 is applied to the removing light impurities after screening and dust,
Solve the most miscellaneous in containing the problem of grain, optimal dust removal rate is between 90～99%, and good operational environment, simultaneously noise are low.Removing
During the most miscellaneous, impurity first pass around gravity trash chamber 5 remove major part the most miscellaneous after again via blower fan, substantially reduce impurity pair
The abrasion of blower fan, have also increased dramatically the failure free time of equipment and the service life of blower fan.By certain structure treatment,
Medium and small miscellaneous screen frame is normal pressure, in, small impurities be easily drained outside sieve nest, thus it is unimpeded to maintain compass screen surface.Height due to this equipment
The screening of effect and removing light impurities effect and logistics unimpeded, under standard raw grain state, screen rice yield can reach 50T/H, sieve
Reason wheat yield can reach 100T/H.Good screening and the result of the design concept of selecting crude drugs with winnower: without grain in impurity.Big miscellaneous sieve
202 are configured with sieve cover cleaning mechanism 6, and people stands in ground and just can easily operate.
Ensureing in the case of same yield, width be 1.8 meters, the Design of Vibratory Screen of a length of 2 meters become width 1.6
Rice, length 2.5 meters, compact conformation, screening effect are more preferably.Gravity trash chamber 5 is arranged on the top of medium and small miscellaneous sieve 204, and structure is tight
Gather, easy to operate, make that the width of exchange and height are suitable for long-distance transport, size does not exceeds standard.Big miscellaneous sieve 202 is configured with sieve cover cleaning
Mechanism 6, people stands in ground and just can easily operate.
Gravity trash chamber 5 is applied to combine receiving sieve and be arranged on (depression dust-removing) before dedusting fan.Medium and small
The clean grain discharging opening of miscellaneous sieve 204 is provided with blast barrier film 7, and the negative pressure of vertical air plenums (airduct 9) is isolated with medium and small miscellaneous sieve screen frame
Open.
Grain of the present invention combination receiving sieve, is applied to gravity trash chamber to combine receiving sieve and be arranged on dedusting wind first
Before machine (depression dust-removing), selecting crude drugs with winnower is effective, raise good operational environment outside free from dust, blower fan abrasion is little.Clean at medium and small miscellaneous sieve
Grain discharging opening is provided with blast barrier film, and the negative pressure of vertical air plenums is kept apart with medium and small miscellaneous sieve screen frame, thus ensure the most miscellaneous go out
Mouth and the normal atmosphere (An) of little miscellaneous outlet, both ensured the outer unimpeded impurities removal raising, in turn ensure that impurity removal of impurity outlet dust.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a grain combination receiving sieve, including the raw grain entrance (1) laid successively, granule foreign screening cleaning mechanism (2), light
Matter impurity selecting crude drugs with winnower cleaning mechanism (3) and clean grain outlet (4),
It is characterized in that,
It is provided with for passing through between described granule foreign screening cleaning mechanism (2) and described light impurities selecting crude drugs with winnower cleaning mechanism (3)
Suddenly it is the most miscellaneous and grey with eliminate in grain that the mode of air-flow velocity and/or airflow direction of changing makes the material of different densities separate
Dirt also makes the most miscellaneous gravity trash chamber (5) being able to gravitational settling and discharge with dust.
Grain the most according to claim 1 combination receiving sieve, it is characterised in that
Described granule foreign screening cleaning mechanism (2) includes the multi-stage screening mechanism of the descending distribution of sieve aperture.
Grain the most according to claim 1 combination receiving sieve, it is characterised in that
Described granule foreign screening cleaning mechanism (2) includes big miscellaneous food passageway (201), is in described big miscellaneous food passageway
(201) during the big miscellaneous sieve (202) on, middle small coarse cereals are eaten passage (203) and are on described middle small coarse cereals food passage (203)
Little miscellaneous sieve (204),
Described big miscellaneous food passageway (201) and described middle small coarse cereals eat passage (203) by described raw grain entrance (1) to described clean grain
Outlet (4) direction is laid successively；
Described big miscellaneous food passageway (201) is provided with the big miscellaneous sieve for providing screen cloth vibration power for described big miscellaneous sieve (202)
Vibrating motor (205),
Described big miscellaneous food passageway (201) is connected with the big miscellaneous outlet (207) for exporting large granular impurity；
Described middle small coarse cereals food passage (203) is provided with for providing for described medium and small miscellaneous sieve (204) in screen cloth vibration power
Little miscellaneous sieve vibrating motor (206),
Described middle small coarse cereals food passage (203) is connected with the medium and small miscellaneous outlet (208) for exporting small particles impurity.
Grain the most according to claim 3 combination receiving sieve, it is characterised in that
It is connected with for clearing up screen surface impurity to prevent impurity on described big miscellaneous sieve (202) and/or described medium and small miscellaneous sieve (204)
The sieve cover cleaning mechanism (6) of blocking screen cloth mesh.
Grain the most according to claim 3 combination receiving sieve, it is characterised in that
Described gravity trash chamber (5) is communicated to the outfan of described granule foreign screening cleaning mechanism (2) by airduct (9),
Described gravity trash chamber (5) is provided with the light miscellaneous impurity discharging port for discharging light impurities.
Grain the most according to claim 5 combination receiving sieve, it is characterised in that
Described big miscellaneous outlet (207) and described medium and small miscellaneous outlet (208) are common pressure chamber；
The inner chamber of described airduct (9) is negative pressure cavity；
It is provided with for preventing air-flow from inversely entering described medium and small between described middle small coarse cereals food passage (203) and described airduct (9)
The blast barrier film (7) of miscellaneous food passageway (203).
Grain the most according to any one of claim 1 to 6 combination receiving sieve, it is characterised in that
Dedusting fan that described light impurities selecting crude drugs with winnower cleaning mechanism (3) includes being connected in described gravity trash chamber (5) outfan and
It is located at the cyclone of described dedusting fan outfan.
8. combine receiving sieve according to the grain according to any one of claim 3 to 6, it is characterised in that
Described big miscellaneous sieve (202) compass screen surface width is 1m-2.5m, and screen length is 1m-2.5m；
Described medium and small miscellaneous sieve (204) compass screen surface width is 1m-2.5m, and screen length is 1.5m-2.5m；
Within the beam overall of described grain combination receiving sieve is 2.3m, within total height is 4m.
Grain the most according to any one of claim 1 to 6 combination receiving sieve, it is characterised in that
Described granule foreign screening cleaning mechanism (2) bottom is provided with for caching vibration force and the shock-absorbing spring of abatement vibrating noise
(10)。
Grain the most according to any one of claim 1 to 6 combination receiving sieve, it is characterised in that
It is provided with bottom the combination receiving sieve of described grain and moves integrally or the fixing underframe (8) supported for grain combination receiving sieve；
Within described underframe (8) upper dress height above is 2.98m.
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| CN201610700382.8A CN106111538B (en) | 2016-08-22 | 2016-08-22 | Grain combines receiving sieve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610700382.8A CN106111538B (en) | 2016-08-22 | 2016-08-22 | Grain combines receiving sieve |
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| CN106111538A true CN106111538A (en) | 2016-11-16 |
| CN106111538B CN106111538B (en) | 2018-09-07 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106824788A (en) * | 2017-04-17 | 2017-06-13 | 时祥华 | A kind of grain multipass sort combined cleaning sieve |
| CN107838033A (en) * | 2017-10-20 | 2018-03-27 | 安徽神健粮食机械设备有限公司 | A kind of intelligent environment protection wind-force grain selecting machine |
| CN110328143A (en) * | 2019-07-18 | 2019-10-15 | 安徽省凯杰机械制造有限公司 | A kind of double vibration dressing machines of combined type |
| CN111483087A (en) * | 2020-04-26 | 2020-08-04 | 周会文 | Rubber reducing mechanism is used in rubber production |
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| CN107838033A (en) * | 2017-10-20 | 2018-03-27 | 安徽神健粮食机械设备有限公司 | A kind of intelligent environment protection wind-force grain selecting machine |
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| CN106111538B (en) | 2018-09-07 |
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