CN210832754U - Efficient and environment-friendly rice drying and screening system - Google Patents

Abstract

The utility model relates to a high-efficiency environment-friendly rice drying and screening system, which comprises a drying system and a screening system positioned below the drying system; firstly, conveying the rice to a drying unit by a dryer lifter for rough drying, conveying the dried rice to a buffer bin for placing for a period of time, then conveying the rice back to the lifter by a conveying belt, conveying the rough-dried rice to the drying unit by the lifter for secondary drying, and finally conveying the rough-dried rice to a screening system, so that the phenomenon of waist explosion caused by continuous drying is avoided; the through-hole that trickles behind the feeder hopper that the material got into screening system flows the board shunts the material, prevents that corn from piling up, then during corn got into the screening cabinet, big miscellaneous, little miscellaneous and corn flowed in corresponding export respectively, and the feed inlet and the discharge gate of screening cabinet have all set up the dust arrester, absorb the dust, prevent that the workman from inhaling.

Description

Efficient and environment-friendly rice drying and screening system

Technical Field

The utility model relates to a corn of high-efficient environmental protection is dried and screening system.

Background

The rice dryer is suitable for grains such as rice, wheat, mung beans, sorghum, soybeans and the like, is suitable for farms, grain stations, grain suppliers and the like, but rice is a thermosensitive crop, and is different from the drying of other grains, the rice drying speed is too high or the drying time is too long, so that the rice is easy to explode, so-called exploding is that microscopic cracks are generated on the surface of grains after the rice is dried or cooled, and the micro cracks directly influence the rice breaking rate during rice milling of the rice, so that the rice output rate of the rice is influenced, and the yield and the economic value of the rice are also directly influenced. And the drying efficiency is reduced when the drying speed of the rice is too low, the influence is generated on the harvesting in the front path and the rice milling in the rear path, the continuous processing cannot be realized, and the integral processing time of the rice is prolonged.

The rice needs to be screened after being dried, and large impurities and small impurities are screened out from the rice, so that clean rice is obtained. The conventional screening system can generate a large amount of dust when the paddy enters a feeding end and is discharged from a discharging end, so that the physical health of workers is seriously harmed; in addition, when the rice enters the feed hopper, the rice is easy to accumulate, great pressure is generated on the adjusting plate and the flow flowing plate, and even the normal operation of the machine is influenced.

Therefore, the current rice processing industry urgently needs an efficient and environment-friendly rice drying and screening system.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects and provide a high-efficiency energy-saving rice quick drying system which can quickly dry rice, reduce the overall processing time of the rice and avoid waist explosion; and the efficient and environment-friendly rice screening system can prevent dust from harming the health of workers, and prevent the materials from entering the feed hopper and then being accumulated to influence the normal operation of the machine.

The purpose of the utility model is realized like this:

a high-efficiency and environment-friendly rice drying and screening system comprises a drying system and a screening system positioned below the drying system;

the drying system comprises a raw material bin, a drying unit and a buffer bin, wherein the raw material bin conveys the unhusked rice to a drying machine feeding belt through a drying machine lifting machine, the unhusked rice is conveyed to one or more drying machines of the drying unit through the drying machine feeding belt to be dried roughly, a discharging port of each drying machine in the drying unit is conveyed to the buffer bin feeding belt through a collecting belt, the unhusked rice which is dried roughly is conveyed to the buffer bin through the buffer bin feeding belt to be placed for a period of time, then the unhusked rice with dispersed moisture is conveyed back to the drying machine lifting machine through a conveying belt at a discharging port of the buffer bin, the unhusked rice is conveyed to the drying machine feeding belt through the drying machine lifting machine, the unhusked rice is conveyed to one or more drying machines of the drying unit through the drying machine feeding belt to be dried for the second time, and finally the unhusked rice is conveyed to.

The utility model discloses a high-efficient environmental protection corn is dried and screening system, screening system contains the inlet pipe, is provided with the feeder hopper below this inlet pipe, and the inside slant of this feeder hopper is provided with the regulating plate, adjusts the below and is provided with the flow plate that trickles of slight downward sloping, it has a plurality of through-holes to seted up on the flow plate; a screening cabinet is obliquely arranged below the feed hopper;

an upper sieve layer and a lower sieve layer which are parallel to each other are obliquely arranged in the screening cabinet, and a machine body bottom plate is arranged below the lower sieve layer; the other and screening cabinet lower extreme of inlet pipe all is provided with dust collecting device.

The utility model discloses a high-efficient environmental protection corn drying and screening system, the big miscellaneous export is set up in the lower extreme edge of upper screen layer; the fine impurity outlet is arranged at the edge of the lower end of the bottom plate of the machine body; the net material outlet is arranged at the lower end edge of the lower sieve layer.

The utility model has the advantages of it is following:

the utility model discloses high-efficient environmental protection's corn is dried and screening system at first is sent the corn to the drying-machine group by the drying-machine lifting machine and is carried out the coarse drying, the corn surface after the coarse drying is dry, and the center still has excessive moisture, this kind of drying system is through having add the surge bin in the drying-machine rear side, it carries the corn after the coarse drying to place for a period in the surge bin, after the corn stops to heat and dry like this, its inside moisture can spread outward, moisture evenly divides to whole corn, at this moment send the corn back to the lifting machine through the conveyer belt again, the lifting machine sends the corn of coarse drying into the drying-machine group again and carries out the secondary drying, so can dry the corn to safe moisture, can also avoid the waist-bursting phenomenon that the continuous drying brought; the high-efficiency and environment-friendly rice drying and screening system is provided with the dust collecting devices at the rice feeding end and the rice discharging end of the screening system, so that a large amount of dust, dust and the like can be absorbed; the utility model discloses corn of high-efficient environmental protection is dried and screening system has seted up a plurality of through-holes on trickling and flowing the board, shunts corn, avoids causing and piles up the normal operating of maintenance of equipment.

Drawings

Fig. 1 is the utility model discloses high-efficient environmental protection's corn is dried and screening system's schematic structure.

Fig. 2 is a schematic structural diagram of the drying system in fig. 1.

Fig. 3 is a schematic view of the screening system of fig. 1.

In the figure: drying system 1, raw materials storehouse 1.1, drying-machine lifting machine 1.2, pay-off area 1.3, drying-machine group 1.4, first collection area 1.5, second collection area 1.6, surge bin pay-off area 1.7, surge bin 1.8, conveyer belt 1.9, screening system 2, inlet pipe 2.1, feeder hopper 2.2, regulating plate 2.3, trickling board 2.4, upper screen layer 2.5, lower screen layer 2.6, fuselage bottom plate 2.7, thin miscellaneous export 2.8, big miscellaneous export 2.9, net material export 2.10, dust collector 2.11.

Detailed Description

Referring to fig. 1 to 3, the utility model relates to a corn is dried and screening system of high-efficient environmental protection includes drying system 1 and the screening system 2 that is located its below.

The drying system 1 comprises a raw material bin 1.1, a drying unit 1.4 and a buffer bin 1.7, wherein the raw material bin 1.1 sends the unhulled rice to a dryer feeding belt 1.3 through a dryer lifting machine 1.2, the dryer feeding belt 1.3 sends the unhulled rice to one or more dryers of the drying unit 1.4 for rough drying, a discharge port of each dryer in the drying unit 1.4 is sent to the buffer bin feeding belt 1.7 through a first collecting belt 5, the buffer bin feeding belt 1.7 sends the roughly dried unhulled rice to the buffer bin 1.8 for placing for a period of time, the water in the unhulled rice can diffuse outwards, the water is evenly distributed on the whole unhulled rice, then the unhulled rice with the water dispersed is sent back to the dryer lifting machine 1.2 through a discharge port of the buffer bin 1.8 through a conveying belt 1.9, the dryer lifting machine 1.2 sends the unhulled rice to the dryer feeding belt 1.3, and the dryer feeding belt 1.3 sends the unhulled rice to one or more dryers of the drying unit 1.4 for secondary drying, just so can dry the corn to safe moisture, can also avoid lasting the corn that the stoving brought to explode the waist phenomenon, at last the rethread second is collected area 1.6 and is sent to screening system 2 again.

The screening system 2 comprises a feeding pipe 2.1, a feeding hopper 2.2 is arranged below the feeding pipe 2.1, an adjusting plate 2.3 is obliquely arranged inside the feeding hopper 2.2, and the adjusting plate 2.3 is used for adjusting the flow of materials, so that the materials can uniformly fall on a flow plate 2.4 which is slightly inclined downwards below the adjusting plate 2.3; a screening cabinet is obliquely arranged below the feed hopper 2.2, a plurality of through holes are formed in the flow dripping plate 2.4, one part of the material entering the feed hopper 2.2 penetrates through the through holes of the flow dripping plate 2.4 to fall into the screening cabinet, and the other part of the material slides into the screening cabinet through the flow dripping plate 2.4, so that the situation that the material is accumulated in a semi-closed area formed by the adjusting plate 2.3, the flow dripping plate 2.4 and the feed hopper 2.2 to influence the normal operation of a machine is avoided.

An upper sieve layer 2.5 and a lower sieve layer 2.6 which are parallel to each other are obliquely arranged in the sieving cabinet, and a machine body bottom plate 2.7 is arranged below the lower sieve layer 2.6; after the material flows onto the upper screen layer 2.5, the large impurities flow into a large impurity outlet 2.9 along the surface of the upper screen layer 2.5 and are discharged out of the screening cabinet, and the large impurity outlet 2.9 is arranged at the lower end edge of the upper screen layer 2.5; the screened objects passing through the upper screen layer 2.5 fall onto the lower screen layer 2.6, wherein the small impurities fall onto the bottom plate 2.7 of the machine body through the screen holes of the lower screen layer 2.6 and are discharged out of the screening cabinet through a fine impurity outlet 2.8 arranged at the lower end edge of the bottom plate 2.7 of the machine body; the undersize flows along the lower screen layer 2.6 directly into the clean material outlet 2.10, which clean material outlet 2.10 is arranged at the lower end edge of the lower screen layer 2.6.

The dust collecting device 2.11 is arranged beside the feeding pipe 2.1 and at the lower end of the screening cabinet, and the dust collecting device 2.11 is used for adsorbing dust generated when materials are discharged into and out of the screening system 2.

Claims (2)

1. The utility model provides a corn of high-efficient environmental protection is dried and screening system which characterized in that: the rice drying and screening system comprises a drying system (1) and a screening system (2) positioned below the drying system;

the drying system (1) comprises a raw material bin (1.1), a drying machine set (1.4) and a buffer bin (1.7), wherein the raw material bin (1.1) sends the unhulled rice to a drying machine feeding belt (1.3) through a drying machine lifter (1.2), the drying machine feeding belt (1.3) sends the unhulled rice to one or more drying machines of the drying machine set (1.4) for rough drying, a discharge port of each drying machine in the drying machine set (1.4) is sent to the buffer bin feeding belt (1.7) through a collecting belt (1.5), the buffer bin feeding belt (1.7) sends the rough dried unhulled rice to the buffer bin (1.8) for placing for a period of time, then the discharge port of the buffer bin (1.8) sends the unhulled rice to the drying machine lifter (1.2) through a conveying belt (1.9), the drying machine lifter (1.2) sends the unhulled rice to the drying machine feeding belt (1.3) again, and the drying machine set (1.3) sends the unhulled rice to one or more drying machines (1.4) for secondary drying, finally, the paddy is conveyed to the screening system (2) through a second collecting belt (1.6);

the screening system (2) comprises a feeding pipe (2.1), a feeding hopper (2.2) is arranged below the feeding pipe (2.1), an adjusting plate (2.3) is obliquely arranged inside the feeding hopper (2.2), a flow dripping plate (2.4) which slightly inclines downwards is arranged below the adjusting plate (2.3), and a plurality of through holes are formed in the flow dripping plate (2.4); a screening cabinet is obliquely arranged below the feed hopper (2.2) downwards;

an upper sieve layer (2.5) and a lower sieve layer (2.6) which are parallel to each other are obliquely arranged in the screening cabinet, and a machine body bottom plate (2.7) is arranged below the lower sieve layer (2.6); dust collecting devices (2.11) are arranged beside the feeding pipes (2.1) and at the lower end of the screening cabinet.

2. The efficient and environment-friendly rice drying and screening system as claimed in claim 1, wherein: the large impurity outlet (2.9) is arranged at the lower end edge of the upper sieve layer (2.5); the fine impurity outlet (2.8) is arranged at the edge of the lower end of the machine body bottom plate (2.7); the net material outlet (2.10) is arranged at the lower end edge of the lower sieve layer (2.6).

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