CN112044782A - Grain specific weight sieve - Google Patents
Grain specific weight sieve Download PDFInfo
- Publication number
- CN112044782A CN112044782A CN202011002350.3A CN202011002350A CN112044782A CN 112044782 A CN112044782 A CN 112044782A CN 202011002350 A CN202011002350 A CN 202011002350A CN 112044782 A CN112044782 A CN 112044782A
- Authority
- CN
- China
- Prior art keywords
- area
- screening
- box body
- wet
- grain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/10—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices using momentum effects
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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
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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
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/14—Details or 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
- 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
- B07B4/025—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall the material being slingered or fled out horizontally before falling, e.g. by dispersing elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/06—Grains, e.g. cereals, wheat, rice, corn
Abstract
The invention discloses a grain specific gravity sieve, which comprises a box body, wherein a conveyor belt device is arranged on the right side of the box body, one end of the conveyor belt device is positioned in the box body, the distance between the end of the conveyor belt device and the ground is greater than that between the end of the conveyor belt device and the ground, and a screening box is also arranged in the box body close to the left side of the box body; according to the grain conveying device, grains enter the box body through the conveying belt device and then are subjected to horizontal throwing movement, the stones are mostly fallen on the left side of the box body, wet grains and grains with relatively small volume are fallen on the wet grain area, semi-wet grains and grains with medium volume are fallen on the semi-wet grain area, qualified grains are fallen on the dry grain area and directly enter the material receiving area, the grains in the wet grain area and the semi-wet grain area enter the material receiving area after being treated in the air drying screening area, the qualified grains can be effectively distinguished from the semi-wet grains, the air drying screening treatment is effectively carried out, and the quality of the screened grains is improved.
Description
Technical Field
The invention relates to the field of grain processing equipment, in particular to a grain specific gravity sieve.
Background
In modern agriculture, the industrial production of agriculture is accelerated by the extensive application of harvesting machines, and in the process of harvesting seeds and grains by the agricultural machines, a lot of impurities such as weed seeds, small stones, broken straws, degraded, immature, disease-damaged and mildewed seeds and grains can appear in the harvested seeds and grains due to the influences of regions, climates, varieties and the like. Some screening machines that appear among the prior art, screening efficiency and precision still are not good enough, and the not fine debris of cleaing away the separation difference that can not be fine also can not carry out screening process to dry cereal and wet cereal simultaneously to improve the quality after the cereal screening.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the technical scheme that:
a grain specific gravity sieve comprises a box body, wherein a conveyor belt device is arranged on the right side of the box body, one end of the conveyor belt device is positioned in the box body, the distance between the end of the conveyor belt device and the ground is larger than that between the end of the conveyor belt device and the ground, and a sieving box is further arranged in the box body and close to the left side of the box body;
the screening box is sequentially divided into a screening area, an air-drying screening area and a material receiving area from top to bottom, the screening area is a wet grain area, a semi-wet grain area and a dry grain area from left to right, the air-drying screening area is obliquely provided with a vibrating screen at the positions of the wet grain area and the semi-wet grain area, one end of the vibrating screen is positioned at the position below the dry grain area, and the distance between the end and the ground is less than that of the other end of the vibrating screen;
the outside that the screening case was located air-dry screening district still is provided with the air heater, cereal passes through conveyor means, the horizontal throw motion is done after getting into the box, the stone quality can fall on the left side of box greatly, and moist cereal and relative small cereal can fall on wet millet district, half moist cereal and the cereal of medium-size volume can fall on half wet millet district, qualified cereal can fall on dry millet district and directly get into the receipts material district, wet millet district, cereal in the half wet millet district gets into the receipts material district after the processing in the air-dry screening district, can effectively with qualified cereal and half moist, moist cereal distinguishes, carry out effectual air-dry screening simultaneously and handle, improve the quality of cereal after the screening.
Further, the top position interval that is located the screening district in the screening case is provided with the drainage piece, and drainage piece top cross-section is triangle-shaped, plays the guide to the cereal that falls into, avoids wet millet, half wet crisscross, influences the air-dry effect.
Further, all crisscross interval slope is provided with the several sieve downwards in wet millet district, the semi-wet millet district, has seted up the several ventilation hole on the sieve, and the time in wet millet district, the semi-wet millet district is stayed to the effect multiplicable cereal of sieve, and the air heater work, the hot-blast wet millet district that gets into of effluvium, semi-wet millet district carry out effectual air-drying, dehumidification to its inside cereal.
Furthermore, the position of the wet grain area on the sieve plate is also provided with an electric heating device which can be matched with an air heater to fully dry the wet grains in the wet grain area.
Furthermore, the position that the box inner surface bottom is located the left side of screening case slopes and is provided with the guide plate, and the left end and the bottom half fixed connection of guide plate guide stone or iron plate flow direction box are external.
Furthermore, the position of the top of the inner surface of the box body, which is positioned at the upper left side of the screening box, is also provided with an air port, the air port is communicated with an exhaust fan outside the box body, and the air port is matched with a fan to work so as to suck husk and dust in grains which do horizontal throwing motion out of the air port.
The working principle and the beneficial effects are as follows: through cereal through conveyor means, do the flat throw motion after the access box is internal, the stone quality can fall in the left side of box greatly, and moist cereal and the cereal of relative small volume can fall in wet millet district, semi-moist cereal and the cereal of medium-size voluminous can fall in semi-wet millet district, qualified cereal can fall in dry millet district and directly get into and receive the material district, wet millet district, cereal in the semi-wet millet district gets into after the processing in the air-dry screening district and receives the material district, can effectively with qualified cereal and semi-moist, moist cereal distinguishes, carry out effectual air-dry screening simultaneously and handle, improve the quality of cereal after the screening.
(1) Through wet millet district, the interior equal staggered interval slope of half wet millet district is provided with the several sieve downwards, has seted up the several ventilation hole on the sieve, and the time in wet millet district, half wet millet district is stayed to the effect multiplicable cereal of sieve, and the air heater work, the hot-blast wet millet district that gets into of effluvium, half wet millet district carry out effectual air-drying, dehumidification to its inside cereal.
(2) An air port is further formed in the position, located on the left upper side of the screening box, of the top of the inner surface of the box body, the air port is communicated with an exhaust fan outside the box body, and the air port is matched with a fan to work, so that husk and dust in grains which do horizontal throwing motion are sucked out from the air port.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention.
In the figure: 1. a box body; 2. a conveyor means; 3. a screening box; 4. a wet grain area; 5. a semi-wet grain region; 6. a dry grain region; 7. vibrating screen; 8. a hot air blower; 9. a drainage block; 10. a sieve plate; 11. a baffle; 12. and (4) a tuyere.
Detailed Description
The invention will be better understood from the following examples.
The structures, proportions, and dimensions shown in the drawings and described in the specification are for understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and are not essential to the skilled in the art. In addition, the terms "upper", "lower", "front", "rear" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the relative positions may be changed or adjusted without substantial technical changes.
As shown in fig. 1, a grain ratio sieve comprises a box body 1, wherein a conveyor belt device 2 is arranged on the right side of the box body 1, one end of the conveyor belt device 2 is positioned inside the box body 1, the distance between the end and the ground is larger than that between the end and the outer side of the box body 1, and a sieving box 3 is further arranged inside the box body 1 and close to the left side of the box body;
the screening box 3 is sequentially divided into a screening area, an air-drying screening area and a material receiving area from top to bottom, the screening area is a wet valley area 4, a semi-wet valley area 5 and a dry valley area 6 from left to right, the air-drying screening area is obliquely provided with a vibrating screen 7 at the positions of the wet valley area 4 and the semi-wet valley area 5, one end of the vibrating screen 7 is positioned below the dry valley area 6, and the distance between the end and the ground is smaller than that between the end and the other end of the vibrating screen 7;
the outside that screening case 3's outside is located air-dry screening district still is provided with air heater 8, cereal is through conveyor means, the horizontal throwing motion is done after getting into the box, the stone quality can fall in the left side of box greatly, and moist cereal and relative small cereal can fall in wet millet district, half moist cereal and the cereal of medium-size volume can fall in half wet millet district, qualified cereal can fall in dry millet district and directly get into the receipts material district, wet millet district, cereal in the half wet millet district gets into the receipts material district after the processing in the air-dry screening district, can effectively with qualified cereal and half moist, moist cereal distinguishes, carry out effectual air-dry screening simultaneously and handle, improve the quality of cereal after the screening.
Wherein, the top position interval that lies in the screening district in screening case 3 is provided with drainage piece 9, and 9 top cross-sections of drainage piece are triangle-shaped, play the guide to the cereal that falls into, avoid wet millet, half wet crisscross, influence the air drying effect.
Wherein, all crisscross interval slope is provided with several sieve 10 downwards in wet millet district 4, the semi-wet millet district 5, has seted up the several ventilation hole on the sieve 10, and the time in wet millet district, the semi-wet millet district is stayed to the effect multiplicable cereal of sieve, and the air heater work, and the hot-blast wet millet district that gets into of effluvium, semi-wet millet district carry out effectual air-dry, the dehumidification to its inside cereal.
Wherein, the position that lies in wet millet district 4 on the sieve 10 still is provided with electric heater unit, can cooperate the air heater to carry out abundant stoving to wet cereal in the wet millet district.
Wherein, the position slope that the box 1 internal surface bottom is located screening case 3 left side is provided with guide plate 11, and guide plate 11's left end and box 1 bottom fixed connection guide stone or iron plate flow direction are external to the box.
Wherein, the position that the top of the internal surface of box 1 is located the upper left of screening case 3 still is provided with wind gap 12, and wind gap 12 communicates with the outside air exhauster of box 1, cooperates the fan work, and to doing the grain of flat throw motion peel and dust in the grain follow wind gap suction.
Claims (6)
1. The utility model provides a cereal specific gravity sieve, includes box (1), and the right side of box (1) is provided with conveyer belt device (2), its characterized in that: one end of the conveyor belt device (2) is positioned inside the box body (1), the distance from the end to the ground is larger than that from the end positioned outside the box body (1), and a screening box (3) is also arranged inside the box body (1) and close to the left side of the box body;
the screening box (3) is sequentially divided into a screening area, an air-drying screening area and a material receiving area from top to bottom, the screening area is a wet grain area (4), a semi-wet grain area (5) and a dry grain area (6) from left to right, the air-drying screening area is obliquely provided with a vibrating screen (7) at the positions of the wet grain area (4) and the semi-wet grain area (5), one end of the vibrating screen (7) is positioned below the dry grain area (6), and the distance from the end to the ground is smaller than that of the other end of the vibrating screen;
an air heater (8) is arranged on the outer side of the screening box (3) and positioned on the outer side of the air drying screening area.
2. The grain weight screen of claim 1, wherein: the top position interval that lies in the screening district in screening case (3) is provided with drainage piece (9), and drainage piece (9) top cross-section is triangle-shaped.
3. The grain weight screen of claim 1, wherein: a plurality of sieve plates (10) are obliquely and downwards arranged in the wet grain area (4) and the semi-wet grain area (5) at staggered intervals, and a plurality of ventilation holes are formed in the sieve plates (10).
4. The grain weight screen of claim 3, wherein: an electric heating device is also arranged on the sieve plate (10) at the position of the wet valley area (4).
5. The grain weight screen of claim 1, wherein: the bottom of the inner surface of the box body (1) is obliquely provided with a guide plate (11) at the position on the left side of the screening box (3), and the left end of the guide plate (11) is fixedly connected with the bottom of the box body (1).
6. The grain weight screen of claim 1, wherein: the top of the inner surface of the box body (1) is positioned at the position above the left side of the screening box (3) and is also provided with an air port (12), and the air port (12) is communicated with an exhaust fan outside the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011002350.3A CN112044782A (en) | 2020-09-22 | 2020-09-22 | Grain specific weight sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011002350.3A CN112044782A (en) | 2020-09-22 | 2020-09-22 | Grain specific weight sieve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112044782A true CN112044782A (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011002350.3A Pending CN112044782A (en) | 2020-09-22 | 2020-09-22 | Grain specific weight sieve |
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| CN (1) | CN112044782A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845101A (en) * | 2021-01-04 | 2021-05-28 | 太原理工大学 | Method and device for separating coal and gangue by using high-speed belt conveyor underground |
| CN113000387A (en) * | 2021-02-26 | 2021-06-22 | 济宁市农业科学研究院 | Peanut seed screening device and using method thereof |
| CN114405644A (en) * | 2022-01-21 | 2022-04-29 | 上海山美环保装备股份有限公司 | Dry aggregate pre-sorting system and floor type sand making process system |
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| EP0427305A1 (en) * | 1989-11-09 | 1991-05-15 | METALLGESELLSCHAFT Aktiengesellschaft | Sorting method and device |
| CN201175700Y (en) * | 2008-03-06 | 2009-01-07 | 柏飞 | Casting type granular material sorting device |
| CN204612419U (en) * | 2015-05-19 | 2015-09-02 | 蚌埠硅基材料产业技术研究院有限公司 | A kind of powder drying unit utilizing waste heat flue gas |
| CN207206840U (en) * | 2017-07-24 | 2018-04-10 | 厦门本润科技有限公司 | A kind of recycled plastic granules dryer |
| CN208512797U (en) * | 2018-06-13 | 2019-02-19 | 重庆潼双机械制造有限公司 | A kind of agricultural grain sieving device |
| CN208879078U (en) * | 2018-07-03 | 2019-05-21 | 化州市济群中药饮片有限公司 | A kind of medicinal material winnowing machine quickly screened |
| CN209763703U (en) * | 2019-04-03 | 2019-12-10 | 贵阳宏基建材有限公司 | pulverized coal drying device for dry-mixed mortar production |
| CN211263095U (en) * | 2019-12-19 | 2020-08-14 | 安徽省路兴建设项目管理有限公司 | Gravel particle size detection device |
-
2020
- 2020-09-22 CN CN202011002350.3A patent/CN112044782A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0427305A1 (en) * | 1989-11-09 | 1991-05-15 | METALLGESELLSCHAFT Aktiengesellschaft | Sorting method and device |
| CN201175700Y (en) * | 2008-03-06 | 2009-01-07 | 柏飞 | Casting type granular material sorting device |
| CN204612419U (en) * | 2015-05-19 | 2015-09-02 | 蚌埠硅基材料产业技术研究院有限公司 | A kind of powder drying unit utilizing waste heat flue gas |
| CN207206840U (en) * | 2017-07-24 | 2018-04-10 | 厦门本润科技有限公司 | A kind of recycled plastic granules dryer |
| CN208512797U (en) * | 2018-06-13 | 2019-02-19 | 重庆潼双机械制造有限公司 | A kind of agricultural grain sieving device |
| CN208879078U (en) * | 2018-07-03 | 2019-05-21 | 化州市济群中药饮片有限公司 | A kind of medicinal material winnowing machine quickly screened |
| CN209763703U (en) * | 2019-04-03 | 2019-12-10 | 贵阳宏基建材有限公司 | pulverized coal drying device for dry-mixed mortar production |
| CN211263095U (en) * | 2019-12-19 | 2020-08-14 | 安徽省路兴建设项目管理有限公司 | Gravel particle size detection device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845101A (en) * | 2021-01-04 | 2021-05-28 | 太原理工大学 | Method and device for separating coal and gangue by using high-speed belt conveyor underground |
| CN113000387A (en) * | 2021-02-26 | 2021-06-22 | 济宁市农业科学研究院 | Peanut seed screening device and using method thereof |
| CN114405644A (en) * | 2022-01-21 | 2022-04-29 | 上海山美环保装备股份有限公司 | Dry aggregate pre-sorting system and floor type sand making process system |
| CN114405644B (en) * | 2022-01-21 | 2023-09-26 | 上海山美环保装备股份有限公司 | Dry aggregate pre-sorting system and building-type sand making process system |
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