CN216174253U

CN216174253U - Grain leftover recycling and screening combined device

Info

Publication number: CN216174253U
Application number: CN202122655696.XU
Authority: CN
Inventors: 张吉强
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-05
Anticipated expiration: 2031-11-02

Abstract

The utility model relates to a grain leftovers recycling and screening combined device, which comprises a first drum screen (1), a first conveying belt (2), a first scraper (3), a grain straw separator (4) and a second drum screen (5), wherein one end of the first conveying belt (2) is positioned at an outlet at the tail part of the first drum screen (1), one end of the first scraper (3) is positioned below the bottom of the first drum screen (1), the other end of the first conveying belt is positioned above the grain straw separator (4), the second drum screen (5) is positioned below the grain straw separator (4), the size of a screen bottom screen hole of the first drum screen (1) is 5cm, the size of a screen bottom screen hole of the grain straw separator (4) is 4cm, the screen bottom of the second drum screen (5) is divided into three sections, the length of the screen bottom of the first section (5.1) is 10 meters, the size of the screen hole is 0.2cm, the length of the screen bottom of the second section (5.2) is 4 meters, and the size of the screen hole is 0.3cm, the length of the sieve bottom of the third section (5.3) is 6 meters, and the size of the sieve pore is 0.6 cm. It can realize the recycling of grain leftovers.

Description

Grain leftover recycling and screening combined device

Technical Field

The utility model belongs to the technical field of grain equipment, relates to a grain recycling device, and particularly relates to a grain leftover recycling and screening combined device.

Background

When a grain processing factory, a grain collecting station and the like screen grains, grain leftovers such as wheat ears and the like with larger grains can be screened out. Aiming at the grain leftovers, the grain leftovers are directly screened and then discarded at present.

However, these grain leftovers such as ears and the like also contain various available resources such as fine powder, broken grains, fine bran and broken straws and the like, and can be changed into available resources such as feeds and the like after being treated by screening and the like. If discarded as such, it is a pitot.

However, the existing devices for processing the grain leftovers cannot process the grain leftovers.

In view of the above technical defects in the prior art, it is urgently needed to develop a device for recycling grain leftovers.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides a grain leftover recycling and screening combined device, which can recycle grain leftovers and change waste into valuable.

In order to achieve the above purpose, the utility model provides the following technical scheme:

a grain leftover recycling and screening combined device comprises a first drum screen, a first conveying belt, a first scraper, a grain straw separator and a second drum screen, and is characterized in that one end of the first conveying belt is located at an outlet at the tail part of the first drum screen, one end of the first scraper is located below the screen bottom of the first drum screen, the other end of the first scraper is located above the grain straw separator, the second drum screen is located below the grain straw separator, the size of a screen hole of the screen bottom of the first drum screen is 5cm, the size of a screen hole of an empty screen bottom of the grain straw separator is 4cm, the screen bottom of the second drum screen is divided into three sections, the length of the screen bottom of the first section is 10 meters, the size of the screen hole is 0.2cm, the length of the screen bottom of the second section is 4 meters, the size of the screen hole is 0.3cm, the length of the screen bottom of the third section is 6 meters, and the screen bottom of the first section is located above the second drum screen, The mesh size was 0.6 cm.

Preferably, a dust removing fan is arranged in the first drum screen.

Preferably, the grain and straw separator is a thresher, a motor is arranged on the thresher, a driving belt wheel is arranged on an output shaft of the motor, and the driving belt wheel pulls a chain disc of the thresher to rotate through a triangular belt.

Preferably, 5 groups of first air blocking devices are arranged below the screen bottom of the first section, the lower portion of each first air blocking device is connected with the upper end of a first conveying pipeline, the lower end of each first conveying pipeline is connected with a raw material tank, and the middle portion of each first conveying pipeline is connected with an exhaust fan.

Preferably, the below of the sieve bottom of second section is equipped with 5 second airlocks, the below of second airlock links to each other with the upper end of second conveying pipeline, the lower extreme of second conveying pipeline is equipped with the second conveyer belt just the middle part of second conveying pipeline links to each other with the one end of suction pipeline, the below of the other end of suction pipeline is equipped with the float and scrapes the trigger, the float is scraped the trigger one end and is located the below of the other end of suction pipeline, the other end links to each other with the flotation silo.

Preferably, a plurality of material absorbers are arranged below the screen bottom of the third section, and the material absorbers are used for absorbing crushed straws onto the floating bin scraper conveyor and conveying the crushed straws into the floating bin through the floating bin scraper conveyor.

Preferably, a second scraper is arranged below the sieve bottom of the third section, and the part which is not sucked by the suction device falls onto the second scraper and is conveyed into the specific gravity sieve by the second scraper.

Preferably, the grains from the specific gravity sieve fall into a third scraper, and the straws from the specific gravity sieve are sent into a second thresher through an air suction pipeline and beaten by the second thresher.

Preferably, wherein the outlet of the second thresher is connected to the floating scraper via a floating pipeline.

Compared with the prior art, the grain leftover recycling and screening combined device has one or more of the following beneficial technical effects:

1. the screening and crushing machine can screen and crush cereal leftovers such as wheat ears and the like, screen the cereal leftovers into various useful resources such as fine powder, broken grains, fine bran and broken straws and the like, and is beneficial to respective sale, so that the recycling of the cereal leftovers is realized, and waste can be changed into valuable.

2. In the screening, crushing and other treatment processes, the conventional grain treatment device is used, so that the method is convenient to implement and does not increase the economic burden of enterprises.

Drawings

FIG. 1 is a schematic view of a part of the grain leftovers recycling and screening combination apparatus of the present invention.

FIG. 2 is another schematic diagram of the grain leftovers recycling and screening combination device.

FIG. 3 is a schematic view showing another part of the grain leftovers recycling and screening assembly of the present invention.

FIG. 4 is a schematic view showing another part of the grain leftovers recycling and screening assembly of the present invention.

FIG. 5 is a schematic view showing another part of the grain leftovers recycling and screening assembly of the present invention.

Description of the drawings: since various apparatuses used in the present invention are prior art apparatuses, they are only exemplary in view of simplicity in drawing, and do not show specific and detailed structures of the various apparatuses.

Detailed Description

The present invention is further described with reference to the following drawings and examples, which are not intended to limit the scope of the present invention.

The utility model relates to a grain leftover recycling and screening combined device, which can realize recycling of grain leftovers and change waste into valuable.

As shown in fig. 1, the grain leftovers recycling and screening combination device of the present invention includes a first drum screen 1, a first conveyor belt 2 and a first scraper 3. One end of the first conveying belt 2 is positioned at the outlet of the tail part of the first drum screen 1. One end of the first scraper conveyor 3 is positioned below the screen bottom of the first drum screen 1.

Wherein, the screen hole size of the screen bottom of the first rotary screen 1 is 5 cm. Preferably, the height of the frame of the first trommel 1 is three meters and the length of the first trommel 1 is two and a half meters and the width is two meters.

Therefore, grain leftovers pulled back into a storehouse from a grain processing factory, a grain collecting station and the like can be conveyed into the first rotary screen 1 through the inlet of the first rotary screen 1 by using a forklift and the like, and the grain leftovers are primarily selected by the first rotary screen 1.

After the first drum screen 1 is primarily selected, large impurities (such as straws and the like) with the size exceeding 5cm flow out through an outlet at the tail part of the first drum screen 1 and fall onto the first conveying belt 2. Is conveyed to one side by the first conveyer belt 1 and is sent to a power plant after being manually collected. The part of the size less than 5cm leaks out through the belly of the first trommel 1, that is, the sieve bottom of the first trommel 1, and falls onto the first scraper 3.

Preferably, a dust removing fan 6 is arranged in the first drum screen 1. Thus, the dust generated during the screening is subjected to dust collection, dust removal, and dust fall by the dust removal fan 6.

More preferably, the first scraper 3 has a width of 0.5 m, a height of 0.5 m and a length of 26 m, enabling long-distance transport.

It should be noted that if the grain leftovers pulled back into the storehouse from the grain processing factory, the grain collecting station, etc. are very fine and do not contain large impurities larger than 5cm, the grain leftovers can be directly conveyed to the first scraper 3 by the auger machine, etc. without using the first drum screen 1.

As shown in fig. 2, in the present invention, the grain leftovers recycling and screening combination apparatus further comprises a grain straw separator 4 and a second drum screen 5. Preferably, the grain and straw separator 4 and the second trommel 5 are located in a workshop 6 meters high.

The other end of the first scraper conveyor 3 is positioned above the grain and straw separator 4. The second drum screen 5 is positioned below the grain and straw separator 4.

Therefore, the first scraper 3 can convey the part with the size less than 5cm in the grain leftovers to the grain straw separator 4, and the grain straw separator 4 separates grains and straws.

Preferably, the grain and straw separator 4 is a thresher. Thus, the thresher is provided with a motor. And a driving belt wheel is arranged on an output shaft of the motor. The driving belt wheel pulls the chain disc of the threshing machine to rotate through the triangular belt, so that the grain leftovers with the size smaller than 5cm are threshed.

Preferably, the thresher has a height of 1.5 m, a width of 0.6 m and a length of 0.7 m. And the size of the sieve pore at the bottom of the hollow sieve of the thresher is 4 cm. Therefore, the threshing machine can separate grains carried on partial straws and reduce the size of the large straws. The part coming out of the bottom of the hollow sieve of the thresher directly enters the second drum sieve 5.

Of course, if the grain leftovers pulled back into the storehouse from the grain processing factory, the grain collecting station and the like are very fine and do not contain large impurities larger than 4cm, the motor of the threshing machine can be stopped during processing, and the main shaft and the hollow sieve bottom of the threshing machine are detached, so that the grain leftovers directly pass through the threshing machine and enter the second drum sieve 5.

As shown in fig. 3, in the present invention, the screen bottom of the second trommel 5 is divided into three sections. The length of the sieve bottom of the first section 5.1 is 10 meters and the size of the sieve hole is 0.2 cm. Through the first section 5.1, fines entering the second trommel 5 can be screened out. The second section 5.2 has a sieve bottom length of 4 meters and a sieve mesh size of 0.3 cm. Through the second section 5.2, the crushed grains entering the second drum screen 5 can be screened out. The length of the sieve bottom of the third section 5.3 is 6 meters, and the size of the sieve pore is 0.6 cm. The crushed straw entering the second drum screen 5 can be screened out through the third section 5.3.

Wherein, 5 groups of first air dampers 7 are arranged below the screen bottom of the first section 5.1. The lower part of the first air closer 7 and the upper end of the first material conveying pipe 8. The lower end of the first material conveying pipe 8 is connected with a raw material tank 9, and the middle part of the first material conveying pipe 8 is connected with an exhaust fan 10.

Fine powder screened out of the sieve bottom of the first section 5.1 thus enters the first feed conveyor 8 via the 5 groups of first airlocks 7 and is transported by the first feed conveyor 8 to the feed tank. Then, the fine powder in the raw material tank can be bagged and sold to farms such as ducks and geese as feed or fertilizer factories as raw materials of fertilizer. During this period, dust fall and dust removal can be performed by the exhaust fan 10.

Preferably, the diameter of the first feed conveyor pipe 8 is 30 cm.

Meanwhile, 5 groups of second air dampers 11 are arranged below the screen bottom of the second section 5.2. The lower part of the second airlock 11 is connected with the upper end of a second conveying pipeline 12. The lower end of the second conveying pipe 12 is provided with a second conveyor belt 13, and the middle part of the second conveying pipe 12 is connected with one end of a suction pipeline 14.

As shown in fig. 4, a floating scraper 15 is provided below the other end of the suction duct 14. One end of the floating scraper 15 is positioned below the other end of the suction pipeline 14, and the other end is connected with a floating storage 16.

The floe screened out from the screen of the second section 5.2 is thus sucked via the suction duct 14 onto the floe scraper 15, which is transported by the floe scraper 15 into the floe depot 16. After the floating material is sucked away, the screened-out crushed grains are dried and cleaned, and then the crushed grains fall onto the second conveying belt 13. Conveyed to one side by the second conveying belt 13, and then is packed and sold in a holding manner to poultry farms for raising chickens, ducks, geese, pigeons and the like.

With continued reference to fig. 3, a plurality of suckers 17 are provided below the screen bottom of the third section 5.4. The material suction device 17 is used for sucking the crushed straws screened out from the screen bottom of the third section 5.4 onto the floating material warehouse scraper 15 and conveying the crushed straws to the floating material warehouse 16 through the floating material warehouse scraper 15.

Preferably, six material suckers 17 are arranged below the sieve bottom of the third section 5.4, so that all the crushed straws can be sucked away.

A second scraper 18 is arranged below the sieve bottom of the third section 5.3. The parts not sucked by the suction hopper 17, such as large grains and heavy straw, will fall onto the second scraper 18.

As shown in fig. 5, a specific gravity screen 19 is provided below one end of the second scraper 18. The parts not sucked by the suction feeder 17, for example, large grains and heavy stalks, are conveyed by the second scraper 18 into a heavy screen 19. The grain and straw in the portion not sucked by the suction device 17 are separated through the specific gravity sieve 19.

With continued reference to fig. 5, a third scraper 20 is provided below the ratio screen 19. In this way, the grains coming out of the specific gravity sieve 19 fall onto the third scraper 20, and are conveyed to one side by the third scraper 20 for being held and sold. For example, to feed mills and farms, etc.

And an air suction pipeline 21 is also arranged below the specific gravity screen 19. The straw coming out of the specific gravity screen 19 is thus fed into the second thresher 22 through the suction duct 21 and beaten by the second thresher 22.

The outlet of the second thresher 22 is provided with a floating material pipeline 23. Therefore, the straw is again beaten and reduced by the second thresher 22, and then is transported to the floating scraper 15 through the floating duct 23, and is transported to the floating storage 16 by the floating scraper 15.

The float in the float store 16 may be packaged for sale. For example, it is sold to animal farms such as cattle, sheep, donkey, etc.

And the last part of the impurities which are not screened out and fall from the straw roll down from the outlet of the second rotary screen 5, and the impurities can be sent to a power plant for use after being manually collected.

Finally, in the present invention, it is preferable that the second trommel 5 is a cylindrical screen having a height of 1.5 m, a width of 1.5 m and a length of 20 m. Considering that the second trommel 5 is long, the main shafts of the second trommel 5 can be bound together by 6 main shafts, and a fulcrum is welded on the main shafts at fixed points of every 1 meter. Meanwhile, a circle is added outside the second drum screen 5 to embrace each screen bottom. And the second rotary screen 5 is supported by an iron frame with one end being 3 meters high, the other end being 1 meter and a half meter high and 21 meters long, and a sealing dust cover is additionally arranged. Two ends of the main shaft are fixed by bearings.

The grain leftovers recycling and screening combined device can screen and crush grain leftovers such as wheat ears and the like, screen the grain leftovers into various useful resources such as fine powder, broken grains, fine bran broken straws and the like, and is beneficial to being sold respectively, so that the grain leftovers are recycled, and waste materials can be changed into valuable materials. In addition, the existing grain processing device is used in the screening, crushing and other processing processes, so that the implementation is convenient and the economic burden of enterprises is not increased.

The above examples of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes and modifications which are obvious to the technical scheme of the utility model are covered by the protection scope of the utility model.

Claims

1. The grain leftovers recycling and screening combined device comprises a first drum screen (1), a first conveying belt (2), a first scraper conveyor (3), a grain straw separator (4) and a second drum screen (5), and is characterized in that one end of the first conveying belt (2) is located at an outlet at the tail part of the first drum screen (1), one end of the first scraper conveyor (3) is located below the screen bottom of the first drum screen (1), the other end of the first scraper conveyor is located above the grain straw separator (4), the second drum screen (5) is located below the grain straw separator (4), the screen mesh size of the screen bottom of the first drum screen (1) is 5cm, the screen mesh size of the empty screen bottom of the grain straw separator (4) is 4cm, the screen bottom of the second drum screen (5) is divided into three sections, the screen bottom of the first section (5.1) is 10 m in length, and the screen bottom of the second section is divided into three sections, The sieve mesh size is 0.2cm, the length of the sieve bottom of the second section (5.2) is 4 meters, the sieve mesh size is 0.3cm, the length of the sieve bottom of the third section (5.3) is 6 meters, and the sieve mesh size is 0.6 cm.

2. The grain leftovers recycling and screening combined device according to claim 1, wherein the first drum screen (1) is provided with a dust removal fan (6).

3. The grain leftovers recycling and screening combined device according to claim 1, wherein the grain straw separator (4) is a thresher provided with a motor, an output shaft of the motor is provided with a driving pulley, and the driving pulley pulls a chain disc of the thresher to rotate through a triangular belt.

4. The grain leftovers recycling and screening combined device according to claim 1, wherein 5 groups of first air-lock devices (7) are arranged below the sieve bottom of the first section (5.1), the lower part of each first air-lock device (7) is connected with the upper end of a first conveying pipe (8), the lower end of each first conveying pipe (8) is connected with a raw material tank (9), and the middle part of each first conveying pipe (8) is connected with an exhaust fan (10).

5. The grain leftovers recycling and screening combined device according to claim 1, wherein 5 sets of second air-lock devices (11) are arranged below the sieve bottom of the second section (5.2), the lower part of each second air-lock device (11) is connected with the upper end of a second conveying pipe (12), a second conveying belt (13) is arranged at the lower end of each second conveying pipe (12), the middle part of each second conveying pipe (12) is connected with one end of a suction pipeline (14), a floating material scraper (15) is arranged below the other end of each suction pipeline (14), one end of each floating material scraper (15) is arranged below the other end of each suction pipeline (14), and the other end of each floating material scraper is connected with a floating material warehouse (16).

6. The grain leftovers recycling and screening combined device according to claim 5, characterized in that a plurality of material absorbers (17) are arranged below the screen bottom of the third section (5.3), and the material absorbers (17) are used for absorbing crushed straws onto the floating scraper (15) and conveying the crushed straws into the floating bin (16) through the floating scraper (15).

7. The grain leftovers recycling and screening combined device according to claim 6, characterized in that a second scraper (18) is arranged below the screen bottom of the third section (5.3), and the part which is not sucked away by the suction device (17) falls onto the second scraper (18) and is conveyed into a gravity screen (19) by the second scraper (18).

8. The grain leftovers recycling and screening combined device according to claim 7, wherein the grain from the gravity screen (19) falls into a third scraper (20), and the straw from the gravity screen (19) is sent to a second thresher (22) through an air suction pipe (21) and beaten by the second thresher (22).

9. The grain leftovers recycling and screening combined device according to claim 8, characterized in that the outlet of the second thresher (22) is connected with the floating scraper conveyor (15) through a floating pipeline (23).