CN219913774U - Grain processing drying equipment - Google Patents

Abstract

The utility model discloses grain processing and drying equipment, which comprises a base, a discharging driving mechanism and a grain drying mechanism; and (2) base: the rear side of the upper end of the grain drying machine is provided with a U-shaped base, the inside of the U-shaped base is rotationally connected with a bulge arranged at the rear side of the bottom end of a supporting table through a pin shaft, the upper end of the supporting table is rotationally connected with a grain drying cylinder through two large-diameter bearings which are distributed front and back symmetrically, the rear end cylinder opening of the grain drying cylinder is rotationally connected with a rear sealing cover through a bearing, the middle part of the rear sealing cover is rotationally connected with a hollow stirring rod through a bearing, the outer surface of the hollow stirring rod positioned in the grain drying cylinder is provided with uniformly distributed hollow stirring sheets, the hollow stirring rod is communicated with the hollow stirring sheets, the outer surface of the hollow stirring sheets is provided with uniformly distributed ventilation holes, and the bottom end of the rear side surface of the rear sealing cover is connected with the rear end of the supporting table through a connecting frame; the grain processing and drying equipment has the advantages that evenly distributed heat flow is fully contacted with the lifted grains, and drying is better and faster.

Description

Grain processing drying equipment

Technical Field

The utility model relates to the technical field of grain processing, in particular to grain processing and drying equipment.

Background

The grain is a guarantee of human life, is a national guarantee of safety, is a generic name of raw grain and finished grain such as grain, beans, potatoes and the like for eating, is a requirement for various human bodies, is a basic material guarantee on which the human bodies depend, is a key process for drying in the production process, and is better stored, transported and eaten, so that a certain link grain dryer in grain processing is indispensable, the existing grain dryer is divided into a roller-type grain dryer, a conveyor-type grain dryer, a tower-type grain dryer and the like, the roller-type grain dryer takes away moisture after exchanging grain with hot-flow gas by means of a rotary roller, thus achieving a drying effect, but has the problems that the flow channel layout of the hot-flow gas is limited, so that the hot-flow gas enters a drying box to be fixed in position, the grain drying efficiency is easy to be caused, or the grain is driven to tumble by single cylinder rotation, the subsequent heat exchange efficiency is low due to limited, and part of the roller-type grain dryer is only opened for discharging when discharging, in order to guarantee rapid discharge of the grain, and a suction pump or an extra labor force is increased in the discharging process, and a large drying device is provided for processing.

Disclosure of Invention

The utility model aims to overcome the existing defects, provides grain processing and drying equipment, evenly distributed heat flow is fully contacted with lifted grains, drying is better and faster, grain unloading is facilitated, and the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a grain processing and drying device comprises a base, a discharging driving mechanism and a grain drying mechanism;

and (2) base: the rear side of the upper end of the grain drying machine is provided with a U-shaped base, the inside of the U-shaped base is rotationally connected with a bulge arranged at the rear side of the bottom end of a supporting table through a pin shaft, the upper end of the supporting table is rotationally connected with a grain drying cylinder through two large-diameter bearings which are distributed front and back symmetrically, the rear end cylinder opening of the grain drying cylinder is rotationally connected with a rear sealing cover through a bearing, the middle part of the rear sealing cover is rotationally connected with a hollow stirring rod through a bearing, the outer surface of the hollow stirring rod positioned in the grain drying cylinder is provided with uniformly distributed hollow stirring sheets, the hollow stirring rod is communicated with the hollow stirring sheets, the outer surface of the hollow stirring sheets is provided with uniformly distributed ventilation holes, and the bottom end of the rear side surface of the rear sealing cover is connected with the rear end of the supporting table through a connecting frame;

and a discharging driving mechanism: the upper end of the unloading driving mechanism is fixedly connected with the front side of the bottom end of the supporting table;

grain drying mechanism: which is located on the right side of the base;

wherein: the air outlet of the grain drying mechanism is provided with an air pipe, and the front end of the air pipe is connected with the rear end of the hollow stirring rod through a rotary joint;

wherein: still include the discharging pipe, thereby the discharging pipe sets up in the discharge gate department of grain stoving section of thick bamboo front end edge, thereby barrel and stirring unit rotation direction are opposite increases stirring efficiency, and then accelerate the stoving process of grain, evenly distributed's heat flow and the grain intensive contact of rising, the stoving is better faster, the grain of being convenient for is unloaded, lightens grain processing personnel work burden, and certain gradient's unloading can let the grain unload more easily and fast, and the drive mode of unloading is more stable novel.

Further, the electric power control device also comprises a control switch group, wherein the control switch group is positioned outside the base, and the input end of the control switch group is electrically connected with an external power supply to regulate and control the normal operation of each electric appliance.

Further, the discharge driving mechanism comprises a sliding rail, a sliding frame, an adjusting ring, an adjusting table and a driving motor, wherein the sliding rail is arranged on the front side of the upper end of the base, the sliding frame is connected with the upper end of the sliding rail in a sliding manner, a rotating shaft at the upper end of the sliding frame is rotationally connected with the inner wall of the adjusting ring, the adjusting table is arranged on the front side of the bottom end of the supporting table, the adjusting ring is in sliding connection with an inclined slideway opening in the middle of the adjusting table, the driving motor is arranged on the middle of the upper end of the base, a screw rod arranged at the front end of an output shaft of the driving motor is in threaded connection with a screw hole in the middle of the bottom end of the sliding frame, and the input end of the driving motor is electrically connected with the output end of the control switch group so as to realize stable and rapid discharge of grains.

Further, grain stoving mechanism includes stoving case, mounting bracket, snakelike heater strip and axial fan, the gas outlet department that stoving case is located the right side of base, stoving case rear end is equipped with the gas-supply pipe, all peg graft in the socket that stoving case right side evenly set up and have the mounting bracket, and the inside of mounting bracket all is equipped with snakelike heater strip, and the right flank of mounting bracket all is equipped with the pull ring, and the air intake department of stoving case front side is equipped with axial fan, and axial fan's front end is equipped with the filter screen, and axial fan's input electricity is connected the output of control switch group, realizes the quick formation of heat flow.

Further, the upper end rear side of brace table is equipped with the motor, and the upper end rear side of brace table is connected with the rotation axis through the mount pad rotation, and the front end of rotation axis is equipped with the driving gear, and the fixed cover in surface rear side of grain stoving section of thick bamboo is equipped with the ring gear, and the driving gear is connected with the ring gear meshing, and the rear end of rotation axis, the front end of motor and the rear end of hollow puddler all are equipped with the belt pulley, and the belt pulley of three triangle distributions passes through belt transmission to be connected, and the output of control switch group is connected to the input electricity of motor, and positive and negative rotation improves stirring efficiency.

Further, still include the protection casing, the protection casing sets up in the upper end rear side of brace table, and motor, belt pulley and driving gear all are located the inside of protection casing, provide the protection barrier.

Further, a feeding hopper is arranged at the feeding hole arranged at the upper end of the rear sealing cover, so that feeding is facilitated.

Compared with the prior art, the utility model has the beneficial effects that: this grain processing drying equipment has following benefit:

1. the grain processing personnel start the snakelike heater strip circular telegram and the axial fan operation in the stoving incasement through control switch group, axial fan filters drainage to the stoving incasement with outside air through the filter screen back with snakelike heater strip heat transfer intensification, the gas of rising temperature carries through gas-supply pipe, rotary joint and hollow puddler, finally through the last bleeder vent of hollow stirring piece, carry out heat transfer stoving with the inside grain of grain stoving section of thick bamboo, the steam passes through the feeder hopper and discharges, the gas runner heat transfer of grain through stirring unit, the hot flow gas can evenly distributed, drying efficiency can be better, in the in-process of grain stoving, grain processing personnel regulate and control motor operation through control switch group, motor operation output shaft rotates the belt pulley rotation on driving the motor, thereby drive other two belt pulley rotations under the transmission effect of belt, the belt pulley rotation of rotation axis drives the driving gear corotation, thereby drive the toothed ring is reversed under the meshing relation, realize that grain stoving section of thick bamboo is reversed on the brace table under the rotation support of big diameter bearing, simultaneously the belt pulley on hollow puddler drives hollow puddler corotation, thereby mix stirring through the inside grain stoving section of thick bamboo, barrel and stirring unit rotation direction are opposite, thereby increase stirring efficiency, thereby grain stoving process that evenly distributed and the grain is more thoroughly dried.

2. The driving motor is started through the control switch group, the screw rod at the front end is driven to rotate by the output shaft of the driving motor to drive the sliding frame to horizontally move forward along the sliding rail, the adjusting ring horizontally moves forward and the horizontal height is unchanged, the adjusting ring properly rotates the supporting table on the U-shaped base by taking the pin shaft at the rear end of the supporting table as the center under the action of the oblique slideway of the adjusting table, the front end of the grain drying cylinder is pressed down and inclined, the material conveying valve of the material discharging pipe is opened to start discharging thoroughly dried grains, the grains are discharged conveniently, the workload of grain processing staff is lightened, the grains are discharged more easily and rapidly by discharging with a certain inclination, and the material discharging driving mode is more stable and novel.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the rear side structure of the present utility model;

FIG. 3 is a schematic view of the internal cross-sectional structure of the grain drying drum of the present utility model;

fig. 4 is a schematic diagram of the internal sectional structure of the grain drying mechanism according to the present utility model.

In the figure: 1 base, 2U type base, 3 supporting bench, 4 big diameter bearing, 5 grain stoving section of thick bamboo, 6 back closing cap, 7 hollow puddler, 8 hollow stirring piece, 9 discharge actuating mechanism, 91 slide rail, 92 carriage, 93 adjusting ring, 94 adjustment platform, 95 driving motor, 10 discharging pipe, 11 grain stoving mechanism, 111 stoving case, 112 mounting bracket, 113 snakelike heater strip, 114 axial fan, 12 gas-supply pipe, 13 motor, 14 belt pulley, 15 driving gear, 16 ring gear, 17 control switch group, 18 protection casing, 19 feeder hopper.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present embodiment provides a technical solution: the grain processing and drying equipment comprises a base 1, a discharging driving mechanism 9 and a grain drying mechanism 11;

base 1: the rear side of the upper end of the grain drying drum is provided with a U-shaped base 2, the inside of the U-shaped base 2 is rotationally connected with a bulge arranged at the rear side of the bottom end of a supporting table 3 through a pin shaft, the upper end of the supporting table 3 is rotationally connected with a grain drying drum 5 through two large-diameter bearings 4 which are symmetrically distributed around, the rear end drum opening of the grain drying drum 5 is rotationally connected with a rear sealing cover 6 through a bearing, the feeding opening arranged at the upper end of the rear sealing cover 6 is provided with a feeding hopper 19, the feeding hopper 19 is convenient for feeding, the middle part of the rear sealing cover 6 is rotationally connected with a hollow stirring rod 7 through a bearing, the outer surface of the hollow stirring rod 7 positioned in the grain drying drum 5 is provided with uniformly distributed hollow stirring sheets 8, the hollow stirring rod 7 is communicated with the hollow stirring sheets 8, the outer surface of the hollow stirring sheet 8 is provided with uniformly distributed ventilation holes, the bottom end of the rear side surface of the rear sealing cover 6 is connected with the rear end of the supporting table 3 through a connecting frame, the rear sealing cover 6 is guaranteed not to rotate and does not influence the rotation of the grain drying cylinder 5, the hollow stirring sheet is further provided with a control switch group 17, the control switch group 17 regulates and controls the normal operation of various electric appliances, the control switch group 17 is positioned outside the base 1, the input end of the control switch group 17 is electrically connected with an external power supply, the supporting table 3 is properly rotated on the U-shaped base 2 by taking a pin shaft at the rear end as a center, the front end of the grain drying cylinder 5 is pressed downwards and inclined, grains are conveniently discharged, and the hollow stirring rod 7 positively rotates, so that grains in the grain drying cylinder 5 are mixed and stirred through the hollow stirring sheet 8;

discharge driving mechanism 9: the automatic grain drying device is arranged at the front side of the upper end of a base 1, the upper end of a discharging driving mechanism 9 is fixedly connected with the front side of the bottom end of a supporting table 3, the discharging driving mechanism 9 comprises a sliding rail 91, a sliding frame 92, an adjusting ring 93, an adjusting table 94 and a driving motor 95, the sliding rail 91 is arranged at the front side of the upper end of the base 1, the sliding frame 92 is connected at the upper end of the sliding rail 91 in a sliding manner, a rotating shaft at the upper end of the sliding frame 92 is rotationally connected with the inner wall of the adjusting ring 93, the adjusting table 94 is arranged at the front side of the bottom end of the supporting table 3, the adjusting ring 93 is slidingly connected with an inclined slideway opening in the middle of the adjusting table 94, the driving motor 95 is arranged at the middle of the upper end of the base 1, a screw rod arranged at the front end of an output shaft of the driving motor 95 is in threaded connection with a screw hole in the middle of the bottom end of the sliding frame 92, the input end of the driving motor 95 is electrically connected with the output end of a control switch group 17, the driving motor 95 is started, the screw rod at the output shaft of the driving motor 95 rotates to drive the sliding frame 92 to horizontally move along the sliding rail 91, the adjusting ring 93 horizontally moves forward, and the horizontal height is unchanged, and the adjusting ring 93 is in the inclined slideway of the adjusting ring under the action of the adjusting table 94, and the inclined slideway 5 of the grain drying drum 5 is realized;

grain drying mechanism 11: the grain drying mechanism 11 is positioned on the right side of the base 1, the grain drying mechanism 11 comprises a drying box 111, a mounting frame 112, a serpentine heating wire 113 and an axial flow fan 114, the drying box 111 is positioned on the right side of the base 1, an air pipe 12 is arranged at an air outlet at the rear end of the drying box 111, the mounting frame 112 is inserted into evenly arranged jacks on the right side of the drying box 111, the serpentine heating wire 113 is arranged in the mounting frame 112, pull rings are arranged on the right side surface of the mounting frame 112, the axial flow fan 114 is arranged at an air inlet at the front side of the drying box 111, a filter screen is arranged at the front end of the axial flow fan 114, the input end of the axial flow fan 114 is electrically connected with the output end of the control switch group 17, the serpentine heating wire 113 in the drying box 111 is started to be electrified and operated by the axial flow fan 114, external air is filtered and drained into the drying box 111 through the filter screen and then exchanges heat with the serpentine heating wire 113, after being conveyed, the warmed air is finally discharged through air holes on the hollow stirring piece 8, and is subjected to heat exchange and drying with grains in the grain drying drum 5, the serpentine heating wire 113 with different power can be regularly replaced or maintained from the jacks of the drying box 111 through the pull rings 112;

wherein: the gas outlet of the grain drying mechanism 11 is provided with a gas pipe 12, the front end of the gas pipe 12 is connected with the rear end of the hollow stirring rod 7 through a rotary joint, the gas pipe 12 plays a role in conveying the heating gas, and the rotary joint ensures the relative rotation of the hollow stirring rod 7 and the gas pipe 12 and has a communicating effect;

wherein: still include discharging pipe 10, discharging pipe 10 sets up in the discharge gate department of grain stoving section of thick bamboo 5 front end edge, opens the defeated material valve of discharging pipe 10 and begins thoroughly stoving grain discharge, is convenient for unload.

Wherein: the upper end rear side of brace table 3 is equipped with motor 13, the upper end rear side of brace table 3 is connected with the rotation axis through the mount pad rotation, the front end of rotation axis is equipped with driving gear 15, the fixed cover in surface rear side of grain stoving section of thick bamboo 5 is equipped with toothed ring 16, driving gear 15 and toothed ring 16 meshing are connected, the rear end of rotation axis, the front end of motor 13 and the rear end of hollow puddler 7 all are equipped with belt pulley 14, three triangle-distributed belt pulley 14 passes through belt drive to be connected, the output of control switch group 17 is connected to the input electricity of motor 13, still include protection casing 18, protection casing 18 sets up in the upper end rear side of brace table 3, motor 13, belt pulley 14 and driving gear 15 all are located the inside of protection casing 18, protection casing 18 provides outside protection barrier for inside electrical apparatus, motor 13 operation output shaft rotates and drives the belt pulley 14 rotation on the motor 13, thereby drive two remaining belt pulleys 14 rotation under the transmission effect of belt, the belt pulley 14 rotation of rotation axis drives driving gear 15 corotation, thereby drive toothed ring 16 is rotated under the meshing relationship, realize that grain stoving section of thick bamboo 5 is in the rotation support of brace table 3 under the rotation support of big diameter bearing 4, the output of control switch group 17 is connected to the output of motor 13, still includes protection casing 18, protection casing 18 sets up in the inside of protection casing 18, motor 13 rotates the rotation axis, thereby the hollow stirring element is rotated through hollow stirring element 7, thereby the hollow stirring element is driven hollow stirring element is rotated in the hollow stirring element is rotated down, grain stirring drum 8, and the stirring drum 8 is rotated under the rotation stirring efficiency is accelerated, and hollow stirring element is rotated, and hollow stirring drum 5 is rotated, and stirring efficiency is rotated, and the stirring efficiency is dried, and the stirring efficiency is inside down, and is dried, and the stirring efficiency is and is dried.

The utility model provides grain processing and drying equipment, which has the following working principle: the grain processing personnel conveys the grain to be dried to the interior of the grain drying cylinder 5 through an external grain spiral conveyor in a proper amount through a feed hopper 19, the grain processing personnel starts a serpentine heating wire 113 in a drying box 111 through a control switch group 17 to be electrified and an axial flow fan 114 to operate, the axial flow fan 114 filters and drains external gas into the drying box 111 through a filter screen and then exchanges heat with the serpentine heating wire 113 to raise temperature, the raised temperature gas is conveyed through a gas pipe 12, a rotary joint and a hollow stirring rod 7 and finally is discharged through a vent hole on a hollow stirring sheet 8, exchanges heat with the grain in the grain drying cylinder 5 to dry, water vapor is discharged through the feed hopper 19, the grain exchanges heat through a gas flow passage of a stirring unit, hot flow gas can be uniformly distributed, the drying efficiency is better, the grain processing personnel regulates and controls the operation of a motor 13 through the control switch group 17 in the grain drying process, the motor 13 runs the output shaft to rotate and drives the belt pulley 14 on the motor 13 to rotate, thereby drive the other two belt pulleys 14 to rotate under the transmission effect of the belt, the belt pulley 14 of the rotation axis rotates and drives the driving gear 15 to rotate positively, thereby drive the toothed ring 16 to rotate reversely under the meshing relationship, the grain drying cylinder 5 rotates reversely on the supporting table 3 under the rotation support of the large-diameter bearing 4, meanwhile, the belt pulley 14 on the hollow stirring rod 7 drives the hollow stirring rod 7 to rotate positively, thereby the grain inside the grain drying cylinder 5 is mixed and stirred through the hollow stirring sheet 8, the rotation directions of the cylinder body and the stirring unit are opposite, thereby increasing the stirring efficiency, further accelerating the drying process, evenly distributed heat flow fully contacts with the turned grain, the drying is better and faster, and after the grain drying is finished for a certain time, grain processing personnel turns off the motor 13 through the control switch group 17, the serpentine heating wire 113 and the axial flow fan 114 are started, the driving motor 95 is started, the output shaft of the driving motor 95 rotates to drive the lead screw at the front end to rotate to drive the sliding frame 92 to horizontally move forward along the sliding rail 91, the adjusting ring 93 horizontally moves forward and the horizontal height is unchanged, the adjusting ring 93 properly rotates the supporting table 3 on the U-shaped base 2 by taking the pin shaft at the rear end as the center under the action of the inclined slideway of the adjusting table 94, the front end of the grain drying cylinder 5 is enabled to be inclined downwards, the material conveying valve of the discharging pipe 10 is opened to start discharging thoroughly dried grains, discharging is facilitated, after discharging is completed, the driving motor 95 is regulated and controlled to horizontally reset the grain drying cylinder 5 through the control switch group 17, the mounting frame 112 is regularly pulled out of the socket of the drying box 111 through the pull ring for replacement or maintenance, and the serpentine heating wire 113 with different powers can be replaced according to grain drying requirements.

It should be noted that, in the above embodiment, the motors 13 and the driving motor 95 may be YE3 series motors, the serpentine heating wire 113 may be nickel-chromium heating wire, the axial flow fan 114 may be SF4-2-220V-1.5KW, and the control switch group 17 is provided with control buttons corresponding to the motors 13, the serpentine heating wire 113, the axial flow fan 114 and the driving motor 95 one by one and used for controlling the switches thereof.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. Grain processing drying equipment, its characterized in that: comprises a base (1), a discharging driving mechanism (9) and a grain drying mechanism (11);

base (1): the rear side of the upper end of the grain drying machine is provided with a U-shaped base (2), the inside of the U-shaped base (2) is rotationally connected with a bulge arranged at the rear side of the bottom end of a supporting table (3) through a pin shaft, the upper end of the supporting table (3) is rotationally connected with a grain drying cylinder (5) through two large-diameter bearings (4) which are symmetrically distributed front and back, the rear end cylinder opening of the grain drying cylinder (5) is rotationally connected with a rear sealing cover (6) through a bearing, the middle part of the rear sealing cover (6) is rotationally connected with a hollow stirring rod (7) through a bearing, the outer surface of the hollow stirring rod (7) positioned in the grain drying cylinder (5) is provided with uniformly distributed hollow stirring sheets (8), the outer surface of the hollow stirring sheets (8) is provided with uniformly distributed ventilation holes, and the bottom end of the rear side of the rear sealing cover (6) is connected with the rear end of the supporting table (3) through a connecting frame;

discharge driving mechanism (9): the device is arranged at the front side of the upper end of the base (1), and the upper end of the discharging driving mechanism (9) is fixedly connected with the front side of the bottom end of the supporting table (3);

grain drying mechanism (11): which is positioned on the right side of the base (1);

wherein: the air outlet of the grain drying mechanism (11) is provided with an air pipe (12), and the front end of the air pipe (12) is connected with the rear end of the hollow stirring rod (7) through a rotary joint;

wherein: the grain drying machine further comprises a discharging pipe (10), wherein the discharging pipe (10) is arranged at a discharging hole at the edge of the front end of the grain drying cylinder (5).

2. The grain processing and drying apparatus according to claim 1, wherein: the control switch assembly (17) is positioned outside the base (1), and the input end of the control switch assembly (17) is electrically connected with an external power supply.

3. The grain processing and drying apparatus according to claim 2, wherein: the utility model provides a discharge actuating mechanism (9) includes slide rail (91), carriage (92), adjusting ring (93), adjustment platform (94) and driving motor (95), slide rail (91) set up in the upper end front side of base (1), the upper end sliding connection of slide rail (91) has carriage (92), the pivot of carriage (92) upper end is rotated with the inner wall of adjusting ring (93) and is connected, adjustment platform (94) set up in the bottom front side of brace table (3), the oblique slide mouth sliding connection at adjusting ring (93) and adjustment platform (94) middle part, driving motor (95) set up in the upper end middle part of base (1), the lead screw that driving motor (95) output shaft front end set up and the screw threaded connection at carriage (92) bottom middle part, the output of control switch group (17) is connected to the input electricity of driving motor (95).

4. The grain processing and drying apparatus according to claim 2, wherein: grain stoving mechanism (11) are including stoving case (111), mounting bracket (112), snakelike heater strip (113) and axial fan (114), stoving case (111) are located the right side of base (1), and the gas outlet department of stoving case (111) rear end is equipped with gas-supply pipe (12), all peg graft in the socket that stoving case (111) right side evenly set up have mounting bracket (112), and the inside of mounting bracket (112) all is equipped with snakelike heater strip (113), and the right flank of mounting bracket (112) all is equipped with the pull ring, and the air intake department of stoving case (111) front side is equipped with axial fan (114), and the front end of axial fan (114) is equipped with the filter screen, and the output of control switch group (17) is connected to the input electricity of axial fan (114).

5. The grain processing and drying apparatus according to claim 2, wherein: the upper end rear side of brace table (3) is equipped with motor (13), the upper end rear side of brace table (3) is connected with the rotation axis through the mount pad rotation, the front end of rotation axis is equipped with driving gear (15), the fixed cover in surface rear side of grain stoving section of thick bamboo (5) is equipped with ring gear (16), driving gear (15) are connected with ring gear (16) meshing, the rear end of rotation axis, the front end of motor (13) and the rear end of hollow puddler (7) all are equipped with belt pulley (14), belt pulley (14) of three triangle distribution are connected through belt transmission, the output of control switch group (17) is connected to the input electricity of motor (13).

6. The grain processing and drying apparatus according to claim 5, wherein: the novel belt pulley is characterized by further comprising a protective cover (18), wherein the protective cover (18) is arranged at the rear side of the upper end of the supporting table (3), and the motor (13), the belt pulley (14) and the driving gear (15) are all located in the protective cover (18).

7. The grain processing and drying apparatus according to claim 1, wherein: and a feed hopper (19) is arranged at a feed inlet arranged at the upper end of the rear sealing cover (6).