CN113843149A

CN113843149A - Impurity removal equipment applied to grain processing and working method thereof

Info

Publication number: CN113843149A
Application number: CN202111205164.4A
Authority: CN
Inventors: 陈运; 陈传安; 童晓红; 关立松; 王立涛; 王树飞; 高矿
Original assignee: Fengtai Huaizhimiao Agricultural Development Co ltd
Current assignee: Fengtai Huaizhimiao Agricultural Development Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2021-12-28
Anticipated expiration: 2041-10-15
Also published as: CN113843149B

Abstract

The invention discloses impurity removing equipment applied to grain processing and a working method thereof, wherein the impurity removing equipment comprises an airflow screening part, the airflow screening part comprises an airflow screening barrel, the inner wall of the airflow screening barrel is fixedly connected with a spiral downward conveying groove, and the top of the airflow screening barrel is fixedly connected with an air exhaust and dust removal pipe; the outer wall of the airflow screening barrel is provided with a plurality of ventilation openings which are all arranged along the conveying path of the conveying groove; the conveying channel is arranged in a spiral relatively small space, so that the conveying path of the conveying channel is prolonged, the grain is turned by matching with the plurality of turning rollers arranged in the conveying channel, mixed impurities in the grain are scattered, and then the impurities are scattered and extracted and discharged by the air exhaust and dust removal pipe through blowing of the impurity removal fan.

Description

Impurity removal equipment applied to grain processing and working method thereof

Technical Field

The invention relates to the technical field of grain processing equipment, in particular to impurity removing equipment applied to grain processing and a working method thereof.

Background

Grain needs to be processed after being harvested, and before the grain is processed, impurities in the grain need to be removed frequently in order to avoid the influence of the impurities on the grain processing quality.

The existing grain impurity removing equipment generally only screens out impurities by a single vibration screening means, the type of the impurities which can be removed by the screening means is single, and the removing effect on bran impurities with large volume and light weight is poor; meanwhile, when the conventional impurity removing equipment is used for screening, the screened impurities are easy to scatter around, so that the environment is polluted.

Disclosure of Invention

The invention aims to provide impurity removing equipment applied to grain processing and a working method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the impurity removing equipment applied to grain processing comprises an airflow screening part, wherein the airflow screening part comprises an airflow screening barrel, the inner wall of the airflow screening barrel is fixedly connected with a spiral downward conveying groove, the top of the airflow screening barrel is fixedly connected with an air-extracting dust-removing pipe, and one end of the air-extracting dust-removing pipe is fixedly connected with the output end of external air-extracting dust-removing equipment; the outer wall of the airflow screening barrel is provided with a plurality of ventilation openings, the ventilation openings are all arranged along the conveying path of the conveying groove, impurity removing fans are fixedly installed inside the ventilation openings, and one sides of the ventilation openings are all fixedly connected with filter screens;

the inner wall of the conveying groove is rotatably connected with a plurality of material turning rollers which are distributed at equal intervals, the outer walls of the material turning rollers are fixedly connected with a plurality of material turning rods, and the end parts of the material turning rods are fixedly connected with spherical cushion pads;

one side of the airflow screening barrel is fixedly connected with a feeding mechanism, the feeding mechanism comprises a feeding box, one side of the top of the feeding box is fixedly connected with a feeding hopper, the interior of the feeding box is fixedly connected with a vibrating screen, one side of the bottom of the feeding box is fixedly connected with a waste pipe, one end of the feeding box is provided with a feeding hole, the inner wall of the feeding hole is fixedly connected with a feeding plate, and one end of the feeding plate penetrates into the airflow screening barrel and is arranged corresponding to the top of the conveying groove;

the other side of the airflow screening barrel is fixedly connected with a secondary screening mechanism, the secondary screening mechanism comprises a screening box, the inner wall of the screening box is fixedly connected with an obliquely arranged screening plate, and the top of the screening plate is rotatably connected with a plurality of shunting guide pieces; the shunting guide part comprises shunting rotating rollers, the tops of the shunting rotating rollers are arranged to protrude out of the tops of the screening plates, pushing soft pads are fixedly connected to the outer walls of the shunting rotating rollers, and a plurality of convex soft brushes are fixedly connected to the surfaces of the pushing soft pads;

the secondary screening mechanism further comprises a material transferring groove, the top of the screening box is provided with a screening opening, the bottom of the material transferring groove is fixedly connected with one side of the screening opening, and the bottom of the screening opening is aligned with the center of the top of the screening plate; a discharge hole is formed in one side of the screening box, the screening plate is obliquely arranged, and the lower end of the screening plate is fixedly connected with one side of the discharge hole;

the bottom of the screening plate is fixedly connected with a supporting plate, one side of the bottom of the screening box is fixedly connected with a separating plate, a gap between one side of the separating plate and the inner wall of the screening box is called a waste tank, one end of the screening box is provided with a waste port, and one side of the waste port is communicated with the waste tank; the top of one side of the supporting plate is provided with an inclined plane, and the middle part of the inclined plane is fixedly provided with a waste fan; the other side of the partition plate and the gap between the support plates are called a guide chute, the higher end of the partition plate extends to the top of the guide chute, and the bottom of one side of the guide chute is provided with a recovery opening.

The invention also provides a working method of the impurity removing equipment applied to grain processing, which comprises the following steps:

the method comprises the following steps: feeding the grain to be purified into a feeding box through a feeding hopper, and starting a vibrating screen to screen out impurities such as small-particle sand stones contained in the grain;

step two: the screened grains enter the airflow screening barrel through the material feeding plate and fall into the conveying groove, the material turning roller rotates to turn the grains in the conveying groove, and the grains fall along the conveying groove under the action of gravity;

step three: the impurity removal fans are started to work, impurities mixed in the grains turned out by the material turning roller are blown and removed, and the blown impurities are sucked and discharged through the air exhaust dust removal pipe;

step four: when the grains move to the bottom end of the conveying groove, the grains are guided into the screening box through the material transferring groove, slide down gradually along the screening plate and are discharged from the discharge hole, and meanwhile, the shunting rotating roller rotates to push lighter grain impurities to the higher end of the screening plate and enable the grain impurities to fall from the higher end;

step five: the falling impurities are blown by a waste fan, fall into a waste trough and are discharged from a waste port.

Compared with the prior art, the invention has the beneficial effects that: the conveying channel is arranged in a spiral relatively small space, so that the conveying path of the conveying channel is prolonged, the grain is turned by matching with the plurality of turning rollers arranged in the conveying channel, mixed impurities in the grain are scattered, and then the impurities are scattered and extracted and discharged by the air exhaust and dust removal pipe through blowing of the impurity removal fan, so that the whole working continuity of the equipment is strong, the impurity removal efficiency is high, and the pollution to the environment in the impurity removal process is small; the flow-dividing roller rotates to drive the convex soft brush to rotate, so that lighter grain impurities are pushed to move upwards, and grain particles with full grains and high quality move to the discharge port along the screening plate under the action of gravity and vibration, and the flow division of the grains and the impurities is realized; the impurities falling from the top of the screening plate are blown into the waste trough by the waste fan and are discharged, so that the impurity removal efficiency is further improved.

Drawings

FIG. 1 is a schematic diagram of the operation of the present invention;

FIG. 2 is a cross-sectional view of the gas flow screening tube of the present invention;

FIG. 3 is a cross-sectional view of the screening box of the present invention;

figure 4 is a cross-sectional view of the top box of the present invention.

In the figure: 1. an airflow screening barrel; 2. a conveying trough; 3. an air exhaust and dust removal pipe; 4. a vent; 5. an impurity removal fan; 6. a material turning roller; 7. a material turning rod; 8. feeding a material box; 9. a feed hopper; 10. vibrating screen; 11. a waste pipe; 12. feeding plates; 13. screening the box; 14. a screening plate; 15. a shunting roller; 16. a screening port; 17. a support plate; 18. a waste chute; 19. a waste fan; 20. a material guide chute; 21. a waste material port; 22. a recovery port; 23. and a material transferring groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, in the embodiment of the present invention, an impurity removing apparatus applied to grain processing includes an airflow screening member, the airflow screening member includes an airflow screening barrel 1, an inner wall of the airflow screening barrel 1 is fixedly connected with a spiral downward conveying trough 2, a top of the airflow screening barrel 1 is fixedly connected with an air-extracting dust-removing pipe 3, and one end of the air-extracting dust-removing pipe 3 is fixedly connected with an output end of an external air-extracting dust-removing apparatus; the outer wall of the airflow screening barrel 1 is provided with a plurality of ventilation openings 4, the ventilation openings 4 are all arranged along the conveying path of the conveying groove 2, impurity removing fans 5 are all fixedly installed inside the ventilation openings 4, and one sides of the ventilation openings 4 are all fixedly connected with a filter screen; the inner wall of the conveying groove 2 is rotatably connected with a plurality of stirring rollers 6 which are distributed at equal intervals, the outer walls of the plurality of stirring rollers 6 are fixedly connected with a plurality of stirring rods 7, and the end parts of the plurality of stirring rods 7 are fixedly connected with spherical cushion pads; through setting up conveyer trough 2 to the conveying route that has prolonged conveyer trough 2 in the relatively little space of heliciform, the cooperation sets up a plurality of stirring roller 6 in conveyer trough 2 and turns grain, makes wherein mixed impurity effluvium, blowing of rethread edulcoration fan 5 makes the impurity dispersion and by 3 extraction discharge of air exhaust dust removal pipe, and the whole work continuity of equipment is strong, and the edulcoration is efficient, and the pollution of edulcoration in-process to the environment is little.

One side of the airflow screening barrel 1 is fixedly connected with a feeding mechanism, the feeding mechanism comprises a feeding box 8, one side of the top of the feeding box 8 is fixedly connected with a feeding hopper 9, the inside of the feeding box 8 is fixedly connected with a vibrating screen 10, one side of the bottom of the feeding box 8 is fixedly connected with a waste pipe 11, one end of the feeding box 8 is provided with a feeding hole, the inner wall of the feeding hole is fixedly connected with a feeding plate 12, one end of the feeding plate 12 penetrates into the airflow screening barrel 1 and is arranged corresponding to the top of the conveying groove 2, and small particle impurities such as sand stones and the like mixed in the airflow screening barrel 1 are screened out by arranging the feeding mechanism before grains enter the airflow screening barrel 1;

the other side of the airflow screening barrel 1 is fixedly connected with a secondary screening mechanism, the secondary screening mechanism comprises a screening box 13, the inner wall of the screening box 13 is fixedly connected with a screening plate 14 which is obliquely arranged, and the bottom of the screening plate 14 is fixedly provided with a screening vibrator; the secondary screening mechanism further comprises a material transferring groove 23, the top of the screening box 13 is provided with a screening opening 16, the bottom of the material transferring groove 23 is fixedly connected with one side of the screening opening 16, and the bottom of the screening opening 16 is aligned with the center of the top of the screening plate 14; a discharge hole is formed in one side of the screening box 13, the screening plate 14 is obliquely arranged, and the lower end of the screening plate is fixedly connected with one side of the discharge hole; the screening plate 14 is obliquely arranged and the screening vibrator is installed, so that grains falling onto the screening plate 14 are concentrated towards the discharge hole;

the top of the screening plate 14 is rotatably connected with a plurality of diversion guide pieces; the shunting and guiding piece comprises shunting rotating rollers 15, the top parts of the shunting rotating rollers 15 are arranged to protrude out of the top parts of the screening plates 14, pushing soft pads are fixedly connected to the outer walls of the shunting rotating rollers 15, and a plurality of convex soft brushes are fixedly connected to the surfaces of the pushing soft pads; the rotating direction of the shunting rotating roller 15 meets the requirement that grains contacted with the shunting rotating roller 15 can be pushed to the higher end of the screening plate 14, in order to reduce the obstruction of the shunting rotating roller 15 to grain screening, the height of the shunting rotating roller 15 protruding out of the top surface of the screening plate 14 is slightly smaller than the average grain size of the screened grains, the shunting rotating roller 15 rotates to drive the convex soft brush to rotate, lighter grain impurities are pushed to move upwards, and grain grains with full grains and high quality move to a discharge port along the screening plate 14 under the action of gravity and vibration;

the bottom of the screening plate 14 is fixedly connected with a supporting plate 17, one side of the bottom of the screening box 13 is fixedly connected with a separating plate, a gap between one side of the separating plate and the inner wall of the screening box 13 is called a waste tank 18, one end of the screening box 13 is provided with a waste port 21, and one side of the waste port 21 is communicated with the waste tank 18; impurities falling from the top of the screening plate 14 are blown into the waste trough 18 by the waste fan 19 and are discharged, so that the impurity removal efficiency is further improved;

the top of one side of the supporting plate 17 is provided with an inclined plane, and the middle part of the inclined plane is fixedly provided with a waste fan 19; the gap between the other side of the partition plate and the support plate 17 is called a material guide groove 20, the higher end of the screening plate 14 extends to the top of the material guide groove 20, and the bottom of one side of the material guide groove 20 is provided with a recovery opening 22; a portion of the grain mixed in the impurities falling down along the top of the sieving plate 14 is recovered.

The working principle of the invention is as follows: the method comprises the following steps that grains to be subjected to impurity removal are fed into a feeding box 8 through a feeding hopper, and a vibrating screen 10 is started to screen out impurities such as small-particle sand stones contained in the grains; the screened grains enter the airflow screening barrel 1 through the feeding plate 12 and fall into the conveying groove 2, the turning roller 6 rotates to turn over the grains in the conveying groove 2, and the grains fall along the conveying groove 2 under the action of gravity; the impurity removal fans 5 are started to work, impurities mixed in the grains turned out by the material turning roller 6 are blown and removed, and the blown impurities are sucked and discharged through the air exhaust and dust removal pipe 3; when the grains move to the bottom end of the conveying groove 2, the grains are guided into the screening box 13 through the material transferring groove 23, slide down gradually along the screening plate 14 and are sent out through the material outlet, and meanwhile, the diversion roller 15 rotates to push lighter grain impurities to the higher end of the screening plate 14 and enable the grain impurities to fall from the higher end; blowing the falling impurities by a waste fan 19 to make the impurities fall into a waste trough 18 and then discharged from a waste port 21; the heavier grain particles fall into the material guide groove 20 and are sent out from the recycling opening 22, and the grain after impurity removal is sent out along the material outlet.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. Be applied to edulcoration equipment of grain processing usefulness, its characterized in that includes air current screening spare, air current screening spare includes air current screening bucket (1), the inside wall fixedly connected with spiral decurrent conveyer trough (2) of air current screening bucket (1), the top fixedly connected with of air current screening bucket (1) is bled and is removed dust pipe (3), one side fixedly connected with feed mechanism of air current screening bucket (1), the opposite side fixedly connected with secondary screening mechanism of air current screening bucket (1), secondary screening mechanism includes screening case (13), the inner wall fixedly connected with slope of screening case (13) sets up screening board (14), the top of screening board (14) is rotated and is connected with a plurality of reposition of redundant personnel and guide the piece.

2. The impurity removing equipment applied to grain processing as claimed in claim 1, wherein the outer wall of the airflow screening barrel (1) is provided with a plurality of ventilation openings (4), the ventilation openings (4) are arranged along the conveying path of the conveying trough (2), and impurity removing fans (5) are fixedly arranged inside the ventilation openings (4).

3. The impurity removing equipment applied to grain processing according to claim 1, wherein the inner wall of the conveying trough (2) is rotatably connected with a plurality of material turning rollers (6) which are distributed at equal intervals, and the outer walls of the material turning rollers (6) are fixedly connected with a plurality of material turning rods (7).

4. The impurity removing equipment applied to grain processing according to claim 1, wherein the diversion guide piece comprises diversion rollers (15), the tops of the diversion rollers (15) are arranged to protrude out of the tops of the screening plates (14), and pushing cushions are fixedly connected to the outer walls of the diversion rollers (15).

5. The impurity removing equipment applied to grain processing according to claim 1, wherein a supporting plate (17) is fixedly connected to the bottom of the screening plate (14), a separating plate is fixedly connected to one side of the bottom of the screening box (13), a gap between one side of the separating plate and the inner wall of the screening box (13) is called a waste tank (18), a waste port (21) is formed in one end of the screening box (13), and one side of the waste port (21) is communicated with the waste tank (18); the top of one side of the supporting plate (17) is provided with an inclined plane, and the middle part of the inclined plane is fixedly provided with a waste fan (19).

6. The impurity removing equipment applied to grain processing according to claim 1, wherein the secondary screening mechanism further comprises a material transferring groove (23), the top of the screening box (13) is provided with a screening opening (16), the bottom of the material transferring groove (23) is fixedly connected with one side of the screening opening (16), and the bottom of the screening opening (16) is aligned with the center of the top of the screening plate (14); a discharge hole is formed in one side of the screening box (13), and the lower end of the screening plate (14) is obliquely arranged and is fixedly connected with one side of the discharge hole.

7. The impurity removing equipment applied to grain processing according to claim 1, wherein the feeding mechanism comprises a feeding box (8), one side of the top of the feeding box (8) is fixedly connected with a feeding hopper (9), the inside of the feeding box (8) is fixedly connected with a vibrating screen (10), one side of the bottom of the feeding box (8) is fixedly connected with a waste pipe (11), one end of the feeding box (8) is fixedly connected with a feeding plate (12), and one end of the feeding plate (12) corresponds to the top of the conveying groove (2).

8. The working method of the impurity removing equipment applied to grain processing is characterized by comprising the following steps of:

the method comprises the following steps: the method comprises the following steps that grains to be subjected to impurity removal are fed into a feeding box (8) through a feeding hopper, and a vibrating screen (10) is started to screen out impurities such as small-particle sand stones contained in the grains;

step two: the screened grains enter the airflow screening barrel (1) through the feeding plate (12) and fall into the conveying groove (2), the turning roller (6) rotates to turn over the grains in the conveying groove (2), and the grains fall along the conveying groove (2) under the action of gravity;

step three: a plurality of impurity removing fans (5) are started to work, impurities mixed in the grains turned out by the material turning roller (6) are blown and removed, and the blown impurities are sucked and discharged through the air exhaust and dust removal pipe (3);

step four: when the grains move to the bottom end of the conveying groove (2), the grains are guided into the screening box (13) through the material transferring groove (23), slide down gradually along the screening plate (14) and are discharged from the discharge hole, and meanwhile, the shunting rotating roller (15) rotates to push lighter grain impurities to the higher end of the screening plate (14) and enable the grain impurities to fall from the higher end;

step five: the falling impurities are blown by a scrap fan (19) to fall into a scrap chute (18) and are discharged from a scrap port (21).