CN107096717B - Compound structure specific gravity classificator - Google Patents
Compound structure specific gravity classificator Download PDFInfo
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- CN107096717B CN107096717B CN201710362552.0A CN201710362552A CN107096717B CN 107096717 B CN107096717 B CN 107096717B CN 201710362552 A CN201710362552 A CN 201710362552A CN 107096717 B CN107096717 B CN 107096717B
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- Prior art keywords
- specific gravity
- grain
- gravity table
- communicated
- channel
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Classifications
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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
- 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
- B07B1/005—Transportable screening plants
-
- 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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Abstract
The invention relates to a duplex structure specific gravity classificator, which comprises an upper feeding channel, an upper grain distributing pipe, a material conveying channel, a lower feeding channel, a material discharging channel, a lower grain distributing pipe and a material receiving hopper, wherein the lower end of the upper grain distributing pipe is provided with an upper specific gravity table, a good material outlet of the upper specific gravity table is communicated with the lower feeding channel, the lower end of the lower grain distributing pipe is provided with a lower specific gravity table, and a good material outlet of the lower specific gravity table is communicated with the material receiving hopper; according to the invention, the trend of the grain is adjusted through the upper grain distribution adjusting plate and the lower grain distribution adjusting plate, the switching of multiple processing modes of series-parallel connection or single specific gravity of the upper specific gravity table and the lower specific gravity table is realized, when the mildew rate is higher, the upper specific gravity table and the lower specific gravity table are connected in series to work, 2-time specific gravity separation is realized, the mildew removal rate is improved, the screening quality is ensured, when the mildew rate is lower, the upper specific gravity table and the lower specific gravity table are connected in parallel to work, and meanwhile, the specific gravity separation work is carried out on the grain, the double efficiency is realized, and the screening efficiency is improved.
Description
Technical Field
The invention relates to the field of grain screening, in particular to a compound structure specific gravity classificator.
Background
Most of current grain sieve separators choose the structure of primary proportion reselecting for use, do not adopt even than reselecting, such structure can not get rid of the grain that mildenes and rot in the grain, must increase than reselecting the device in order to get rid of the grain that mildenes and rot in the grain, and to some grain that mildenes and rot more seriously, need carry out secondary proportion to select and can reach the screening requirement, also have some sieving machines that two proportion reselect at present, but these sieving machines are horizontal series connection dual proportion structure, be used for specially screening some grain that mildenes and rot seriously, when mildening and rot not so serious, these machines just can not be used, can't realize generally.
Disclosure of Invention
The invention aims to solve the technical problem of providing a compound structure specific gravity classificator which can be randomly switched by double-specific gravity concentration in series and parallel.
The technical scheme adopted by the invention is as follows: a duplex structure specific gravity classificator comprises an upper feeding channel, an upper grain distribution pipe and a feeding channel which are communicated with the upper feeding channel, a lower feeding channel of which the upper end is communicated with the lower end of the feeding channel, a discharging channel and a lower grain distribution pipe which are communicated with the lower feeding channel, and a material receiving hopper which is communicated with the discharging channel, wherein an upper specific gravity table is arranged at the lower end of the upper grain distribution pipe, a good material outlet of the upper specific gravity table is communicated with the lower feeding channel, a lower specific gravity table is arranged at the lower end of the lower grain distribution pipe, a good material outlet of the lower specific gravity table is communicated with the material receiving hopper, an upper grain distribution adjusting plate used for adjusting the trend of materials is arranged in the upper feeding channel, a first channel and a second channel which are separated by a baffle plate are arranged in the lower feeding channel, the first channel is communicated with the discharging channel or the lower grain distribution pipe, and the second channel is communicated with the lower grain distribution pipe.
According to the invention, the upper end of the blanking channel is provided with a lower grain distribution adjusting plate for controlling the material trend, the upper end of the blanking channel is also provided with a grain distribution plate, and the lower grain distribution adjusting plate is respectively arranged on two sides of the grain distribution plate.
A screen box driven by a vibration motor is arranged above the upper feeding channel, and the discharge end of the screen box is communicated with the upper feeding channel.
The feeding end of the screen box is provided with a feeding port, and the feeding port is communicated with the feeding end of the screen box through a grain dispersing box.
The invention also comprises a winnowing dust removal device which is respectively communicated with the feed end and the discharge end of the screen box through dust removal air pipes.
The upper specific gravity table and the lower specific gravity table are both driven by a specific gravity table driving motor, an upper specific gravity table transmission mechanism for driving the upper specific gravity table to move is in transmission connection with the specific gravity table driving motor, and a lower specific gravity table transmission mechanism for driving the lower specific gravity table to move is in transmission connection with the specific gravity table driving motor.
The transmission directions of the upper specific gravity table transmission mechanism and the lower specific gravity table transmission mechanism are opposite.
The invention has the positive effects that: according to the invention, the trend of the grain is adjusted through the upper grain distribution adjusting plate and the lower grain distribution adjusting plate, the switching of multiple processing modes of series-parallel connection or single specific gravity of the upper specific gravity table and the lower specific gravity table is realized, when the mildew rate is higher, the upper specific gravity table and the lower specific gravity table are connected in series to work, 2-time specific gravity separation is realized, the mildew removal rate is improved, the screening quality is ensured, when the mildew rate is lower, the upper specific gravity table and the lower specific gravity table are connected in parallel to work, and meanwhile, the specific gravity separation work is carried out on the grain, the double efficiency is realized, and the screening efficiency is improved. The upper and lower proportion platform adopts vertical structure, can effectively reduce the area of equipment, and the proportion platform driving motor that shares simultaneously drives to the up-and-down motion opposite direction realizes the self-balancing, reduces the operation energy consumption.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a dual specific gravity series state structure of the present invention;
FIG. 3 is a schematic left-view structural diagram of a dual-gravity series connection state according to the present invention;
FIG. 4 is a schematic diagram of a dual-specific gravity parallel structure of the present invention.
Detailed Description
As shown in fig. 1 and 2, the present invention includes an upper feeding channel 1, an upper grain-distributing pipe 3 and a feeding channel 2, which are communicated with the upper feeding channel 1, the upper grain-distributing adjusting plate 4 for adjusting the material direction is arranged at the intersection of the upper feeding channel 1, the feeding channel 2 and the upper grain-distributing pipe 3, a lower feeding channel 6 whose upper end is communicated with the lower end of the feeding channel 2, a discharging channel 7 and a lower grain-distributing pipe 8 which are communicated with the lower feeding channel 6, and a receiving hopper 10 which is communicated with the discharging channel 7, an upper proportion table 5 is arranged at the lower end of the upper grain-distributing pipe 3, a good material outlet of the upper proportion table 5 is communicated with the lower feeding channel 6, a lower proportion table 9 is arranged at the lower end of the lower grain-distributing pipe 8, a good material outlet of the lower proportion table 9 is communicated with the receiving hopper 10, a first channel 601 and a second grain-distributing channel 602 which are separated by a baffle are arranged in the lower feeding channel 6, the lower end of the first channel 601 is communicated with the discharging channel 7 or the lower grain-distributing pipe 8, and the second grain-distributing channel 602 is communicated with the lower grain-distributing pipe 8. The good material outlet of the upper specific gravity table 5 is communicated with the first channel 601, and the material screened by the upper specific gravity table 5 enters the upper end of the first channel 601 from the good material outlet of the upper specific gravity table 5.
The upper end of the blanking channel 7 is provided with a lower grain distribution adjusting plate 12 used for controlling the trend of materials, the upper end of the blanking channel 7 is further provided with a material distribution plate 11, the lower grain distribution adjusting plate 12 is respectively arranged on the blanking channels 7 on two sides of the material distribution plate 11, one end of the lower grain distribution adjusting plate 12 is hinged with the blanking channel 7, the other end of the lower grain distribution adjusting plate is a free end with certain damping, when the free ends of 2 lower grain distribution adjusting plates 12 are in contact with the material distribution plate 11, the first channel 601 and the second channel 602 are both communicated with a lower grain distribution pipe 8, the free end of the lower grain distribution adjusting plate 12 is in contact with the side wall of the first channel 601, the first channel 601 is communicated with the blanking channel 7, the lower end of the second channel 602 is communicated with the lower grain distribution pipe 8, and the material conveying channel 2 is communicated with the upper end of the second channel 602.
When using, if need upper and lower proportion platform tandem work, as shown in the attached figures 2, 3, adjust the position of dividing grain regulating plate 4 in the adjustment, will defeated material passageway 2 is closed, go up pan feeding passageway 1 and divide grain pipe 3 intercommunication in the last, adjust the position of dividing grain regulating plate 12 down simultaneously, make 2 free ends that divide grain regulating plate 12 down contact with branch flitch 11, first passageway 601 and divide grain pipe 8 intercommunication down, the material gets into from last pan feeding passageway 1 and divides grain pipe 3 then fall into and carry out the first time than heavy choice on the platform 5, the material after the screening gets into first passageway 601, then fall into down proportion platform 9 through dividing grain pipe 8 down and carry out the second time proportion and select, realize two platform tandem work, can improve the proportion that mildenes and rot greatly and get rid of efficiency. If the upper and lower proportion tables are required to work in parallel, as shown in figure 4, the position of an upper grain distribution adjusting plate 4 is adjusted, so that a part of a material enters a material conveying channel 2 from an upper feeding channel 1, and a part of the material enters an upper grain distribution pipe 3, then the position of a lower grain distribution adjusting plate 12 is adjusted, so that a first channel 601 is communicated with a blanking channel 7, at the moment, the material enters the material conveying channel 2 from a part of the upper feeding channel 1, and a part of the material enters the upper grain distribution pipe 3, and a part of the material entering the upper grain distribution pipe 3 enters an upper proportion table 5, and the screened material falls into the first channel 601 from a good material outlet, and then enters a receiving hopper 10 through the blanking channel 7 to be collected; the material falling into the material conveying channel 2 enters the second channel 602, then enters the lower grain distributing pipe 8, falls into the lower specific gravity table 9, and the material screened by the lower specific gravity table 9 enters the receiving hopper 10 to be collected.
When the work of needs list proportion platform, can choose for use alone and go up proportion platform 5 or lower proportion platform 9 and carry out work, when the work alone of proportion platform 5 in needs, the position of dividing grain regulating plate 4 in the adjustment makes pan feeding passageway 1 and last branch grain pipe 3 intercommunication, defeated material passageway 2 closes, divide grain regulating plate 12 under the adjustment simultaneously, make first passageway 601 and unloading passageway 7 intercommunication, the material becomes directly to fall into unloading passageway 7 and then gets into and connect hopper 10 to collect after the screening of proportion platform 5. When specific gravity platform 9 during operation alone under needs, the position of adjusting on the branch grain regulating plate 4 makes on divide grain pipe 3 to close, goes up pan feeding passageway 1 and defeated material passageway 2 intercommunication, and the material gets into down through defeated material passageway 2 and divides grain pipe 8, then falls into specific gravity platform 9 down and carries out than reselecting, and the material after the screening is collected from connecing hopper 10.
The screen box is characterized in that a screen box 13 driven by a vibration motor 21 is arranged above the upper feeding channel 1, the discharge end of the screen box 13 is communicated with the upper feeding channel 1, a feeding port 15 is arranged at the feeding end of the screen box 13, the feeding port 15 is communicated with the feeding end of the screen box 13 through a grain scattering box 20, and the screen box further comprises a winnowing and dust removing device which is communicated with the feeding end and the discharge end of the screen box 13 through a dust removing air pipe 14. The material is screening through sieve case 13 earlier before getting into than reselecting, goes out the little miscellaneous in the material, all communicates at the feed end of sieve case and discharge end simultaneously has wind selector, carries out the secondary selection by winnowing, can effectively get rid of impurity such as dust in the material, and dust removal effect is better.
The upper specific gravity table 5 and the lower specific gravity table 9 are both driven by a specific gravity table driving motor 17, an upper specific gravity table transmission mechanism 19 for driving the upper specific gravity table 5 to move is in transmission connection with the specific gravity table driving motor 17, a lower specific gravity table transmission mechanism 18 for driving the lower specific gravity table 9 to move is in transmission connection with the specific gravity table driving motor 17, and the transmission directions of the upper specific gravity table transmission mechanism 19 and the lower specific gravity table transmission mechanism 18 are opposite.
The invention adopts a double-proportion platform vertical structure, realizes the series-parallel connection work of the double-proportion platforms through different pipeline connection modes, has wider application range and better mildew particle removal effect.
Claims (7)
1. A duplex structure specific gravity classificator is characterized by comprising an upper feeding channel (1), an upper grain distribution pipe (3) and a feeding channel (2) which are communicated with the upper feeding channel (1), a lower feeding channel (6) of which the upper end is communicated with the lower end of the feeding channel (2), a discharging channel (7) and a lower grain distribution pipe (8) which are communicated with the lower feeding channel (6), and a receiving hopper (10) which is communicated with the discharging channel (7), wherein the lower end of the upper grain distribution pipe (3) is provided with an upper specific gravity table (5), the good material outlet of the upper specific gravity table (5) is communicated with the lower feeding channel (6), the lower end of the lower grain distribution pipe (8) is provided with a lower specific gravity table (9), and the good material outlet of the lower specific gravity table (9) is communicated with the receiving hopper (10);
go up be provided with in pan feeding passageway (1) and be used for adjusting the material trend divide grain regulating plate (4) on, be equipped with first passageway (601) and second passageway (602) down in pan feeding passageway (6), first passageway (601) are linked together with unloading passageway (7) or divide grain pipe (8) down, second passageway (602) with divide grain pipe (8) to be linked together down, go up the good material export of proportion platform (5) and be linked together with first passageway (601), defeated material passageway (2) are linked together with the upper end of second passageway (602).
2. The compound structure specific gravity classificator according to claim 1, characterized in that a lower grain-dividing adjusting plate (12) for controlling the material trend is arranged at the upper end of the blanking channel (7), a material-dividing plate (11) is further arranged at the upper end of the blanking channel (7), and the lower grain-dividing adjusting plates (12) are respectively arranged at two sides of the material-dividing plate (11).
3. A multiple structure specific gravity classificator according to claim 2, characterized in that a sieve box (13) driven by a vibration motor (21) is arranged above the upper feeding channel (1), and the discharge end of the sieve box (13) is communicated with the upper feeding channel (1).
4. A multiple structure specific gravity concentrator according to claim 3, wherein the feed end of the sieve box (13) is provided with a feed port (15), and the feed port (15) is communicated with the feed end of the sieve box (13) through a grain dispersing box (20).
5. The compound structure specific gravity classificator according to claim 4, further comprising an air separation dust removal device, wherein the air separation dust removal device is respectively communicated with the feeding end and the discharging end of the screen box (13) through dust removal air pipes (14).
6. A compound structure specific gravity concentrator according to claim 1 or 2, wherein the upper specific gravity table (5) and the lower specific gravity table (9) are both driven by a specific gravity table driving motor (17), an upper specific gravity table transmission mechanism (19) for driving the upper specific gravity table (5) to move is in transmission connection with the specific gravity table driving motor (17), and a lower specific gravity table transmission mechanism (18) for driving the lower specific gravity table (9) to move is in transmission connection with the specific gravity table driving motor (17).
7. A compound gravity concentrator as claimed in claim 6 wherein the upper gravity table drive (19) is driven in the opposite direction to the lower gravity table drive (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710362552.0A CN107096717B (en) | 2017-05-22 | 2017-05-22 | Compound structure specific gravity classificator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710362552.0A CN107096717B (en) | 2017-05-22 | 2017-05-22 | Compound structure specific gravity classificator |
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| CN107096717A CN107096717A (en) | 2017-08-29 |
| CN107096717B true CN107096717B (en) | 2022-10-18 |
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| GB201010731D0 (en) * | 2010-06-25 | 2010-08-11 | Bailey Marshall G | Screening methods and apparatus |
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| CN107096717A (en) | 2017-08-29 |
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Address after: 050000 No.68, Airport Road, Development Zone, Xinle City, Shijiazhuang City, Hebei Province Patentee after: SHIJIAZHUANG SANLI GRAIN MACHINERY Co.,Ltd. Address before: No. 21, Hongxing North Street, Chang'an District, Shijiazhuang, Hebei 050061 Patentee before: SHIJIAZHUANG SANLI GRAIN SORTING MACHINERY CO.,LTD. |