CN104689988B - Gravity separator is utilized to remove the method for fungi and endotoxin contamination seed grain thereof in cereal - Google Patents
Gravity separator is utilized to remove the method for fungi and endotoxin contamination seed grain thereof in cereal Download PDFInfo
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- CN104689988B CN104689988B CN201310645933.1A CN201310645933A CN104689988B CN 104689988 B CN104689988 B CN 104689988B CN 201310645933 A CN201310645933 A CN 201310645933A CN 104689988 B CN104689988 B CN 104689988B
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Abstract
The present invention discloses a kind of method utilizing gravity separator to remove fungi and endotoxin contamination seed grain thereof in cereal. Comprise the steps: to feed the cereal treating sorting from hopper, then fall on compass screen surface; Start transmission system and gas blower, then cereal starts layering under the oscillating action of vibratory screening apparatus and the wind effect of gas blower, until forming the ribbon bed of material being perpendicular to spacer plate, along the vertical edges of compass screen surface on its lopsided direction, the ribbon bed of material is followed successively by and pollutes seed pellet layer, batch mixing layer and full seed pellet layer; The seed grain polluting seed pellet layer is by polluting the outlet discharging of seed grain, and the seed grain of batch mixing layer exports discharging by batch mixing discharge hole for discharge, full seed pellet layer by described full seed grain, so far, namely eliminates the seed grain of fungi and endotoxin contamination thereof in cereal. Utilize the method for the present invention can achieve the removal of fungi and endotoxin contamination seed grain thereof in cereal.
Description
Technical field
The present invention relates to a kind of method utilizing gravity separator to remove fungi and endotoxin contamination seed grain thereof in cereal.
Background technology
Cereal is very easily subject to the pollution of fungi in growth, results and the process such as storage, when condition is suitable, they can growth and breeding in cereal rapidly, cause grain quality deterioration. More seriously, the fungi of Polluted grains can produce all kinds of mycotoxins, these mycotoxinss can enter food chain by contaminated cereal, people, animal are all shown carinogenicity, genetoxic, teratogenecity, cause nephrotoxicity, liver poisoning, reproduction exception and Immunosuppression reaction, therefore world community all establishes perfect mycotoxins limit standard, thus reject in time fungi and cereal that toxin exceeds standard to enter food chain very important.
By the impact of fungi and toxin thereof, the cereal kernel outward appearance shrinkage polluted by it, proportion is little compared with normal seed grain, it can be sorted out from cereal by this difference. During existing grain cleaning is processed, conventional gravitational segregation equipment belongs to universal, when utilizing it to remove fungi and endotoxin contamination seed grain thereof in cereal, compass screen surface cereal at worktable toward layering under the acting in conjunction of multiplex vibration and bottom blast, the full seed grain of lower floor progressively moves to heavy matter discharge end under frictional force effect, upper strata is polluted seed grain and is moved to table top lightweight discharge end, the middle mixed material area for both. In this assorting room, compass screen surface cereal entirety is in diffusion motion, for as much as possible fungi and endotoxin contamination seed grain thereof being removed, it is made to enter lightweight termination hopper, need to by inclination angle, adjusting operating platform face repeatedly or table vibration frequency or amplitude or bottom fan delivery etc., but the lightweight end of pollution seed grain on discharging limit is all the time with certain area distributions, and removal effect is unsatisfactory.
Summary of the invention
It is an object of the invention to provide a kind of method utilizing gravity separator to remove fungi and endotoxin contamination seed grain thereof in cereal.
The provided by the present invention gravity separator that utilizes removes the method for fungi and endotoxin contamination seed grain thereof in cereal, comprises the steps:
Wherein, the vibratory screening apparatus that described gravity separator comprises frame and is located in described frame; Described vibratory screening apparatus is by transmission system drives;
Described vibratory screening apparatus has the compass screen surface of a right-angled trapezium, and the long limit in mutually parallel both sides is discharging limit;
Connecting a spacer plate on described discharging limit, described spacer plate is connected with described compass screen surface is vertical;
Along the vertical edges of described compass screen surface on its lopsided direction, described spacer plate is provided with successively and pollutes the outlet of seed grain, batch mixing outlet and the outlet of full seed grain;
Described frame is provided with hopper, and the exit end of described hopper is located at the top of the short end of described compass screen surface;
The height of frame described in the distance of the short end of described compass screen surface is greater than the height of long limit end apart from described frame of described compass screen surface; The hypotenuse end of described compass screen surface is greater than the height of vertical edges apart from described frame of described compass screen surface apart from the height of described frame;
The bottom of described compass screen surface is connected with the air port that goes out of gas blower;
To treat that the cereal of sorting feeds from described hopper, then fall on described compass screen surface; Start described transmission system and described gas blower, then described cereal starts layering under the oscillating action of described vibratory screening apparatus and the wind effect of described gas blower, until forming the ribbon bed of material being perpendicular to described spacer plate, along the vertical edges of described compass screen surface on its lopsided direction, the described ribbon bed of material is followed successively by and pollutes seed pellet layer, batch mixing layer and full seed pellet layer; The seed grain of described pollution seed pellet layer exports discharging by described pollution seed grain, the seed grain of described batch mixing layer exports discharging by described batch mixing, described full seed pellet layer exports discharging by described full seed grain, so far, namely eliminates the seed grain of fungi and endotoxin contamination thereof in cereal.
In above-mentioned method, the outside on the discharging limit of described compass screen surface connects one and goes out hopper, through the material that the outlet of described pollution seed grain, described batch mixing discharge port and the outlet of described full seed grain are collected, after going out hopper, then collects through hopper respectively described in entering.
In above-mentioned method, the openings of sizes of the outlet of described pollution seed grain, the outlet of described batch mixing and the outlet of described full seed grain is all adjustable.
In above-mentioned method, the outlet of described pollution seed grain matches with a pollution seed grain outlet baffle plate, and the vertical direction that described pollution seed grain outlet baffle plate exports along described pollution seed grain moves, namely can regulate, by moving up and down described pollution seed grain outlet baffle plate, the openings of sizes polluting the outlet of seed grain.
In above-mentioned method, the outlet of described batch mixing matches with a batch mixing outlet baffle plate, one end of described batch mixing outlet baffle plate is connected with described spacer plate, and the openings of sizes regulating described batch mixing to export by rotating the mode of described batch mixing outlet baffle plate, operates more convenient.
In above-mentioned method, described full seed grain outlet seed grain full with outlet baffle plate matches, one end of described full seed grain outlet baffle plate is connected with described spacer plate, and by rotating the openings of sizes that described full seed grain exports the mode of baffle plate and regulates described full seed grain to export, operate more convenient.
In above-mentioned method, the outside of described batch mixing discharge port is connected with 2 drainage plates being oppositely arranged, and 2 described drainage plates can move freely along the direction parallel with described spacer plate, therefore, it is possible to carry out drainage batch mixing by mobile described drainage plate.
In above-mentioned method, described spacer plate is provided with a discharge gate, and the cereal that described compass screen surface is not separated can be discharged by described discharge gate.
In above-mentioned method, described frame is provided with a control panel, can control input speed, compass screen surface vibrational frequency and air blast speed by described control panel.
The present invention has following useful effect:
Utilize the method for the present invention, the cereal being sorted can be made to form the certain thickness bed of material on compass screen surface, the full seed grain of bottom makes compass screen surface cereal formation vortex move on discharging limit by drag effect, promote upper strata to pollute seed grain and concentrate on compass screen surface lightweight end side, and form the ribbon bed of material being perpendicular to discharging limit, near vertical edges end for polluting seed grain, then entered by pollution seed grain outlet and pollute seed grain receiving hopper, namely achieve the removal of fungi and endotoxin contamination seed grain thereof in cereal.
Accompanying drawing explanation
Fig. 1 is the structural representation of gravity separator of the present invention.
Fig. 2 is the structural representation of the vibratory screening apparatus in gravity separator of the present invention.
Fig. 3 is the cereal distribution schematic diagram on compass screen surface in the inventive method.
In figure, each mark is as follows:
In the middle part of full seed grain outlet in the middle part of 1 frame, 2 vibratory screening apparatuss, 3 transmission systems, 4 compass screen surfaces, 5 discharging limits, 6 spacer plates, 7 pollution seed grain outlets, 8 batch mixing outlets, 9, the full seed grain outlet of 10 heavy end, 11 pollution seed grain outlet baffle plates, 12 batch mixing outlet baffle plates, 13, full seed grain outlet baffle plate, the full seed grain outlet baffle plate of 14 heavy end, 15 drainage plates, 16 discharge gates, 17 hoppers, 18 gas blowers, 19 control panels, 20 receiving hoppers, 21 go out hopper.
Embodiment
The experimental technique used in following embodiment if no special instructions, is ordinary method.
Material used in following embodiment, reagent etc., if no special instructions, all can obtain from commercial channels.
As shown in Figure 1, the vibratory screening apparatus 2 that it comprises frame 1 and is located in frame 1, this vibratory screening apparatus 2 is driven the structural representation that the present invention removes the gravity separator that the method for fungi and endotoxin contamination seed grain thereof in cereal utilizes by transmission system 3.
As shown in Figure 2, the vibratory screening apparatus 2 in this gravity separator has the compass screen surface 4 of a right-angled trapezium, and the long limit end in mutually parallel both sides is discharging limit 5. Connecting a spacer plate 6 on this discharging limit 5, this spacer plate 6 is connected for vertical with compass screen surface 4. Along the vertical edges of compass screen surface 4 on its lopsided direction, spacer plate 6 is provided with successively and pollutes seed grain outlet 7, batch mixing outlet 8, middle part full seed grain outlet 9 and the full seed grain outlet 10 of heavy end, pollute seed grain, mixture and full seed grain for collecting respectively. Simultaneously, the openings of sizes of the pollution seed grain outlet 7, batch mixing outlet 8, middle part full seed grain outlet 9 and the heavy end full seed grain outlet 10 that are arranged on spacer plate 6 is all adjustable, realize particular by following proposal: pollute seed grain outlet 7 and match with pollution seed grain outlet baffle plate 11, and pollute seed grain outlet baffle plate 11 can along pollute seed grain outlet 7 vertical direction move, namely can by move up and down pollute seed grain outlet baffle plate 11 regulate pollute seed grain outlet 7 openings of sizes; Batch mixing outlet 8 matches with batch mixing discharge port baffle plate 12, and one end of batch mixing outlet baffle plate 12 is connected with spacer plate 6, namely regulates the openings of sizes of batch mixing discharge port 7 by rotating the mode of batch mixing discharge port baffle plate, it may also be useful to more convenient; Seed grain full with middle part outlet baffle plate 13 and the full seed grain outlet baffle plate 14 of heavy end match respectively for middle part full seed grain outlet 9 and heavy end full seed grain outlet 10, one end of two baffle plates is all connected with spacer plate 6, namely by rotating the mode of middle part full seed grain outlet baffle plate 13 and heavy end full seed grain outlet baffle plate 14 and regulate middle part full seed grain outlet and the full seed grain outlet of heavy end, it may also be useful to more convenient. It is connected with 2 drainage plates being oppositely arranged, 15,2 drainage plates 15 to move freely along the direction parallel with spacer plate 6 in the outside of batch mixing discharge port 7, therefore, it is possible to carry out drainage batch mixing by mobile drainage plate 15. In order to collect easily compass screen surface fail the cereal of good sorting, spacer plate 6 be provided with a discharge gate 16, can conveniently the cereal of non-good sorting be collected by this discharge gate 16.
As shown in Figure 1, in the gravity separator that the present invention uses, being provided with hopper 17 in frame 1, the exit end of this hopper 17 is located at the top of the short end of compass screen surface 4; And the height of the distance frame 1 of the short end of compass screen surface 4 is greater than the height of long limit end apart from frame 1 of compass screen surface 4; The height of the hypotenuse end distance frame 1 of compass screen surface 4 is greater than the height of the vertical edges distance frame 1 of compass screen surface 4, so arranges, even if vibratory screening apparatus is in " inclined in two-way state ", contributes to the formation of the ribbon bed of material.
As shown in Figure 1, in the gravity separator that the present invention uses, the bottom of compass screen surface 4 is connected with the air port that goes out of gas blower 18, for compass screen surface 4 is carried out air blast. Frame 1 is provided with a control panel 19, input speed, compass screen surface vibrational frequency and air blast speed can be controlled by control panel 19. Simultaneously, in order to facilitate collection material, connect one in the outside on the discharging limit of compass screen surface 4 and go out hopper 21, through polluting the material that the outlet of seed grain, batch mixing discharge port and the outlet of full seed grain are collected, enter after this goes out hopper 21, then enter 3 receiving hoppers 20 respectively and carry out collecting.
Above-mentioned gravity separator is used to carry out the method for sorting as follows:
To treat that the cereal of sorting feeds from hopper 17, after it falls into right-angled trapezium vibratory screening apparatus 2, at vibratory screening apparatus 2 toward, under the acting in conjunction of multiplex vibration and gas blower 18, the cereal on compass screen surface 4 starts layering, fungi and endotoxin contamination seed grain thereof are on upper strata, and full seed grain sinks to lower floor, the resistance that the full seed grain of arrival compass screen surface heavy end (high-end) is subject to spacer plate 6 forms counterclockwise vortex motion on compass screen surface 4, upper strata is polluted seed grain and is pushed to compass screen surface lightweight end side (low side), feed rate in adjustment hopper 17, the control air quantity of gas blower 18, control panel 19 controls the vibrational frequency of vibratory screening apparatus, the pollution seed grain of compass screen surface 4 lightweight end side is made to form the ribbon bed of material being perpendicular to and polluting seed grain discharge port 7 at compass screen surface lightweight end, as shown in Figure 3, seed grain outlet 7 is polluted in width and thickness adjustment according to this bed of material, batch mixing outlet 8, the size of middle part full seed grain outlet 9 and the full seed grain outlet 10 of heavy end, and the position of moveable drainage plate 15, when compass screen surface cereal bed thickness reaches the height of each discharge port, discharging enters three receiving hoppers 20 respectively, the batch mixing obtained carries out two sortings, at the end of sorting, opening discharge gate 16, compass screen surface 2/3rds cereal of discharge is included into full seed grain, residue cereal be included into batch mixing, with rear expectation sorting cereal again together with carry out sorting.
Claims (9)
1. utilize gravity separator to remove the method for fungi and endotoxin contamination seed grain thereof in cereal, comprise the steps:
The vibratory screening apparatus that described gravity separator comprises frame and is located in described frame; Described vibratory screening apparatus is by transmission system drives;
Described vibratory screening apparatus has the compass screen surface of a right-angled trapezium, and the long limit in mutually parallel both sides is discharging limit;
Connecting a spacer plate on described discharging limit, described spacer plate is connected with described compass screen surface is vertical;
Along the vertical edges of described compass screen surface on its lopsided direction, described spacer plate is provided with successively and pollutes the outlet of seed grain, batch mixing outlet and the outlet of full seed grain;
Described frame is provided with hopper, and the exit end of described hopper is located at the top of the short end of described compass screen surface;
The height of frame described in the distance of the short end of described compass screen surface is greater than the height of long limit end apart from described frame of described compass screen surface; The hypotenuse end of described compass screen surface is greater than the height of vertical edges apart from described frame of described compass screen surface apart from the height of described frame;
The bottom of described compass screen surface is connected with the air port that goes out of gas blower;
To treat that the cereal of sorting feeds from described hopper, then fall on described compass screen surface; Start described transmission system and described gas blower, then described cereal starts layering under the oscillating action of described vibratory screening apparatus and the wind effect of described gas blower, until forming the ribbon bed of material being perpendicular to described spacer plate, along the vertical edges of described compass screen surface on its lopsided direction, the described ribbon bed of material is followed successively by and pollutes seed pellet layer, batch mixing layer and full seed pellet layer; The seed grain of described pollution seed pellet layer exports discharging by described pollution seed grain, the seed grain of described batch mixing layer is by described batch mixing discharge hole for discharge, described full seed pellet layer exports discharging by described full seed grain, so far, namely eliminates the seed grain of fungi and endotoxin contamination thereof in cereal.
2. method according to claim 1, it is characterised in that: the outside on the discharging limit of described compass screen surface connects one and goes out hopper.
3. method according to claim 1 and 2, it is characterised in that: the openings of sizes of the outlet of described pollution seed grain, the outlet of described batch mixing and the outlet of described full seed grain is all adjustable.
4. method according to claim 3, it is characterised in that: the outlet of described pollution seed grain matches with a pollution seed grain outlet baffle plate, and the vertical direction that described pollution seed grain outlet baffle plate exports along described pollution seed grain moves.
5. method according to claim 4, it is characterized in that: the outlet of described batch mixing matches with a batch mixing outlet baffle plate, one end of described batch mixing outlet baffle plate is connected with described spacer plate, and the openings of sizes regulating described batch mixing to export by rotating the mode of described batch mixing outlet baffle plate.
6. method according to claim 5, it is characterized in that: described full seed grain outlet seed grain full with outlet baffle plate matches, one end of described full seed grain outlet baffle plate is connected with described spacer plate, and the openings of sizes regulating described full seed grain to export by rotating the mode of described full seed grain outlet baffle plate.
7. method according to claim 6, it is characterised in that: the outside of described batch mixing discharge port is connected with 2 drainage plates being oppositely arranged, and 2 described drainage plates can move along the direction parallel with described spacer plate.
8. method according to claim 7, it is characterised in that: described spacer plate is provided with a discharge gate.
9. method according to claim 8, it is characterised in that: described frame is provided with a control panel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310645933.1A CN104689988B (en) | 2013-12-04 | 2013-12-04 | Gravity separator is utilized to remove the method for fungi and endotoxin contamination seed grain thereof in cereal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310645933.1A CN104689988B (en) | 2013-12-04 | 2013-12-04 | Gravity separator is utilized to remove the method for fungi and endotoxin contamination seed grain thereof in cereal |
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| CN104689988A CN104689988A (en) | 2015-06-10 |
| CN104689988B true CN104689988B (en) | 2016-06-01 |
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| CN201310645933.1A Active CN104689988B (en) | 2013-12-04 | 2013-12-04 | Gravity separator is utilized to remove the method for fungi and endotoxin contamination seed grain thereof in cereal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105562353A (en) * | 2016-01-25 | 2016-05-11 | 宁波诺丁汉大学 | Vibrating and separating device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092064A (en) * | 2010-11-12 | 2011-06-15 | 西北农林科技大学 | Method and device for separating corn stalk bark and corn pith |
| CN102728552A (en) * | 2012-06-07 | 2012-10-17 | 杭州太阳铸造工程技术有限公司 | Novel gravity separator |
| CN102893723A (en) * | 2012-11-08 | 2013-01-30 | 中国农业大学 | Corn seed orientation method and device |
| CN202725500U (en) * | 2012-06-07 | 2013-02-13 | 杭州太阳铸造工程技术有限公司 | Novel gravity separator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5791951B2 (en) * | 2011-04-26 | 2015-10-07 | Ｄｏｗａエコシステム株式会社 | Equipment for sorting and removing rubber and urethane from crushed materials |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092064A (en) * | 2010-11-12 | 2011-06-15 | 西北农林科技大学 | Method and device for separating corn stalk bark and corn pith |
| CN102728552A (en) * | 2012-06-07 | 2012-10-17 | 杭州太阳铸造工程技术有限公司 | Novel gravity separator |
| CN202725500U (en) * | 2012-06-07 | 2013-02-13 | 杭州太阳铸造工程技术有限公司 | Novel gravity separator |
| CN102893723A (en) * | 2012-11-08 | 2013-01-30 | 中国农业大学 | Corn seed orientation method and device |
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