CN112629225A

CN112629225A - Food drying device

Info

Publication number: CN112629225A
Application number: CN202110263143.1A
Authority: CN
Inventors: 汤永进
Original assignee: Shandong Tangrun Food Technology Co ltd
Current assignee: Shandong Tangrun Food Technology Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-04-09
Anticipated expiration: 2041-03-11
Also published as: CN112629225B

Abstract

The invention relates to the technical field of food processing equipment, in particular to a food drying device which can effectively improve the moisture evaporation speed by automatically drying food, thereby improving the food drying speed and the working efficiency; including outer box and charge-in pipeline, the left downside of bottom of outer box is less than right downside, and the bottom left side intercommunication of outer box is provided with exhaust mechanism, and the top right side of outer box is provided with heating air supply mechanism, and the right downside intercommunication of outer box is provided with the bin outlet, and the charge-in pipeline slope is installed in the upper left side of outer box and is stretched into outer box inside left side.

Description

Food drying device

Technical Field

The invention relates to the technical field of food processing equipment, in particular to a food drying device.

Background

As is well known, food need carry out drying process to the food that washs and accomplish usually when processing production to get rid of food surface moisture and make food keep dry, make things convenient for subsequent processing, current food stoving mode is the drying process of blowing naturally usually, and the drying rate of this kind of mode is slower, and food surface moisture evaporation rate is slower, and work efficiency is lower, can't carry out automatic handling of turning to food simultaneously, leads to the unable rapid evaporation of moisture of food occlusion face, influences the stoving effect.

Disclosure of Invention

In order to solve the technical problems, the invention provides the food drying device which can effectively improve the moisture evaporation speed through automatic drying treatment on food, thereby improving the food drying speed and the working efficiency, and meanwhile, the food is subjected to comprehensive overturning drying treatment, thereby effectively improving the food drying effect, reducing moisture residue and improving the practicability and reliability.

The food drying device comprises an outer box body and a feeding pipeline, wherein the left lower side of the bottom of the outer box body is lower than the right lower side, the left side of the bottom of the outer box body is communicated with an exhaust mechanism, the right side of the top of the outer box body is provided with a heating and air supply mechanism, the right lower side of the outer box body is communicated with a discharge hole, the feeding pipeline is obliquely arranged on the left upper side of the outer box body and extends into the left side of the interior of the outer box body, the right side of the feeding pipeline is provided with a bulk cargo mechanism, the interior of the outer box body is provided with an overturning and feeding mechanism, the position of the bulk cargo mechanism corresponds to the position of the overturning and feeding mechanism, the top of the inner wall of the outer box body is uniformly and alternately provided with a plurality of air; pouring food into the turnover feeding mechanism through the feeding pipeline and the dispersing mechanism, uniformly dispersing the food by the dispersing mechanism, uniformly laying the food on the turnover feeding mechanism, turning the food by the turnover feeding mechanism and conveying the food to the right, discharging hot air in the heating and air supplying mechanism to the right upper side of the inner part of the outer box body, leading the hot air to flow towards the left and blowing the hot air to a plurality of air deflectors, guiding the hot air by the plurality of air deflectors so that the hot air flows downwards to the food on the turnover feeding mechanism, comprehensively heating and drying the food in a turnover state, simultaneously, because each air deflector is formed by splicing the plurality of arc deflectors according to a step shape, the plurality of air deflectors can uniformly diffuse the hot air to the turnover feeding mechanism, the plurality of air deflectors are arranged in a staggered way, and the hot air can flow leftwards through gaps among the plurality of air deflectors, thereby make hot gas flow evenly distributed between the multiunit aviation baffle and through the synchronous water conservancy diversion processing of multiunit aviation baffle, the air of outer box inside risees from a left side to right temperature gradually, it can carry out progressively heating drying process to food, exhaust mechanism can discharge air and moisture in the outer box to the external world, from making the steam in the outer box discharge fast, food through drying process passes through outer box right side bin outlet and discharges, thereby accomplish the automatic drying process work of food, through carrying out automatic drying process to food, can effectively improve moisture evaporation rate, thereby improve food drying speed, and the operating efficiency is improved, food is through comprehensive upset drying process simultaneously, effectively improves food stoving effect, reduce moisture and remain, and the practicality and the reliability are improved.

The invention relates to a food drying device, wherein a turnover feeding mechanism comprises four groups of rotating shafts, four groups of synchronous rollers, chain plates, two groups of flanges and a first motor, the four groups of rotating shafts are longitudinally and uniformly distributed in an outer box body, the front ends and the rear ends of the four groups of rotating shafts are rotatably arranged on the inner side wall of the outer box body, the four groups of synchronous rollers are respectively arranged on the four groups of rotating shafts, the chain plates are laid on the outer walls of the four groups of synchronous rollers and drive the four groups of synchronous rollers to synchronously rotate, the left sides and the right sides of the tops of the chain plates are inclined in the same direction, the upper side of the middle part of the chain plates is in a stepped shape, the two groups of flanges are respectively arranged on the front sides and the rear sides of the chain plates, the first motor is arranged on the front side wall of the outer box body, the; open first motor, first motor drives the link joint and two sets of flanges synchronous rotation through left side pivot and the synchronous roller above that, the link joint drives remaining three synchronous rollers of group and three synchronous rotation of group of pivot, the even top left side of scattering to the link joint of scattering mechanism exhaust food, the link joint of pivoted state drives food and conveys right, when food removes to the link joint middle part, food automatic upset whereabouts, thereby realize the purpose to the automatic upset conveying of food, simultaneously because the top left side of link joint and the equal syntropy slope in right side, can conveniently make the moving direction of food and the wind direction of multiunit aviation baffle water conservancy diversion keep corresponding, conveniently carry out comprehensive drying process to food, food slope conveying, moisture on the food can pass the link joint and drip to outer box bottom, the water of outer box bottom can get into in the mechanism of airing exhaust.

The invention relates to a food drying device, a bulk cargo mechanism comprises a bulk cargo channel and a second motor, the device comprises a turntable, a fluctuation rod and an oval power sleeve, wherein a bulk cargo channel is obliquely positioned at the upper left side inside an outer box body, the bulk cargo channel is slidably sleeved on the outer wall of the right side of a feeding pipeline, the left end of the bulk cargo channel is slidably installed at the left side of the inner side wall of the outer box body, the right end of the bulk cargo channel corresponds to the upper left side of a chain plate, a plurality of groups of bulk cargo blocking rods are uniformly arranged at the right end of the bulk cargo channel, the left ends of the plurality of groups of bulk cargo blocking rods are all set to be conical surfaces, a second motor is installed on the left side wall of the outer box body, the turntable is positioned at the left side inside the outer box body and is in transmission connection with the right side output end of the second motor, the; open the second motor, the second motor drives the fluctuation pole through the carousel and carries out eccentric rotation, the fluctuation pole slides from top to bottom and promotes oval power cover and carry out the back-and-forth movement in oval power cover, oval power cover drives bulk cargo passageway and multiunit bulk cargo shelves pole and carries out the back-and-forth movement on charge-in pipeline, thereby make the bulk cargo passageway be in vibrating state, food in the charge-in pipeline is discharged to the bulk cargo passageway in and is passed gap between the multiunit bulk cargo shelves pole and fall to link joint top upper left side, vibrating state's bulk cargo passageway and multiunit bulk cargo shelves pole can conveniently make food evenly lay on the link joint, conveniently make food evenly distributed, avoid producing between the food and shelter from, improve the stoving effect.

According to the food drying device, the front end and the rear end of the bulk material channel are longitudinally provided with the guide rods, the outer ends of the two groups of guide rods penetrate through the outer box body and extend out of the outer side of the outer box body, the two groups of guide rods are in sliding connection with the outer box body, springs are sleeved on the outer sides of the two groups of guide rods, the two groups of springs are located in the outer box body, and the inner ends and the outer ends of the two groups of springs are respectively installed on the outer side wall of the bulk material channel and the inner side wall of the outer box; when the bulk cargo passageway vibrates from beginning to end, the bulk cargo passageway drives two sets of guide bars and slides around on outer box, conveniently leads and supports the bulk cargo passageway, and two sets of springs receive the extrusion of bulk cargo passageway to produce elastic deformation simultaneously, and two sets of springs carry out buffer treatment to the bulk cargo passageway.

The invention relates to a food drying device, a heating and air supplying mechanism comprises a first air pump, two groups of first air pipes, a cylindrical heating bin, a three-way pipe and an air dispersing bin, wherein the first air pump is arranged at the top of an outer box body, the two groups of first air pipes are respectively communicated and arranged at the left side input end and the right side output end of the first air pump, the cylindrical heating bin is positioned at the right side of the first air pump and arranged on the outer box body, the top of the cylindrical heating bin is arranged to be an inclined plane, the inclined direction of the top of the cylindrical heating bin faces to the right upper side, the right side output end of the first air pipe at the right side of the first air pump extends into the cylindrical heating bin, the direction of the right side output end of the first air pipe at the right side is in tangent state with the inner wall of the cylindrical heating bin, a plurality of groups of heating rings are uniformly arranged on the inner wall of the cylindrical heating bin, the three-way, the left side of the air dispersing bin is communicated with a flat air outlet which is communicated with the upper right side inside the outer box body, and the position of the air outlet corresponds to the positions of the air deflectors; the first air pump is opened, the first air pump sucks external air through the first air pipe on the left side and discharges the external air into the cylinder heating bin through the first air pipe on the right side, the direction of the right output end of the first air pipe on the right side is tangent to the inner side wall of the cylinder heating bin, the air discharged into the cylinder heating bin through the first air pipe on the right side flows along the inner wall of the cylinder heating bin in a rotating mode, the multiple groups of heating rings are opened, the multiple groups of heating rings heat the air inside the cylinder heating bin and form hot air flow, the hot air flow flows upwards and is discharged into the upper right side inside the outer box body through the three-way pipe and the air dispersing bin leftwards, the hot air flow is provided for the inner part of the outer box body, meanwhile, due to the fact that the top of the cylinder heating.

The food drying device also comprises a stirring shaft, wherein the stirring shaft is vertically and rotatably arranged in the middle of the cylindrical heating bin, and a plurality of groups of arc-shaped stirring plates are uniformly and obliquely arranged on the outer wall of the stirring shaft; the first trachea of right side is gone into and can be blown multiunit arc and mix aerofoil and stirring shaft rotation to the air in the drum heated warehouses, and multiunit arc mixes aerofoil can mix the air in the drum heated warehouses and follow the rotatory flow of drum heated warehouses inside wall, simultaneously because multiunit arc mixes the equal slope installation of aerofoil, can conveniently upwards flow the hot gas flow in promoting the drum heated warehouses, improves the contact effect of air flowing speed and air and multiunit heating ring in the drum heated warehouses to improve the temperature and the production efficiency of hot gas flow.

The food drying device comprises an air exhaust mechanism, a water collecting bin, an air guide channel, a second air pump, two groups of second air pipes, a water drain pipe and a water valve, wherein the water collecting bin is arranged on the left side of the bottom of an outer box body; open the second air pump, the second air pump is through its top second trachea in with ponding storehouse air pump and through second air pump right side second trachea discharge to the external world, the ponding storehouse is through air guide channel in with the outer box air pump, thereby discharge the steam in the outer box, simultaneously the water accessible air guide channel of outer box bottom gathering flows to in the ponding storehouse, when the water of outer box bottom is more, ponding storehouse accessible air guide channel is with the water of outer box bottom take out fast and save to the ponding storehouse in, thereby improve the discharge rate of outer box internal water, when the water that stores in the ponding storehouse reaches the specified value, open the water valve, the water accessible drain pipe in the ponding storehouse discharges to in the external collection device, thereby realize that the ponding storehouse carries out the mesh of taking out simultaneously to water and steam in the outer box, and the practicality is improved.

The food drying device also comprises a water pressure meter, wherein the water pressure meter is arranged at the right lower side of the water accumulating bin and is communicated with the inside of the water accumulating bin; through setting up the water pressure gauge, can conveniently carry out real-time detection to the memory space of ponding storehouse internal water, improve practicality and reliability.

Compared with the prior art, the invention has the beneficial effects that: pouring food into the turnover feeding mechanism through the feeding pipeline and the dispersing mechanism, uniformly dispersing the food by the dispersing mechanism, uniformly laying the food on the turnover feeding mechanism, turning the food by the turnover feeding mechanism and conveying the food to the right, discharging hot air in the heating and air supplying mechanism to the right upper side of the inner part of the outer box body, leading the hot air to flow towards the left and blowing the hot air to a plurality of air deflectors, guiding the hot air by the plurality of air deflectors so that the hot air flows downwards to the food on the turnover feeding mechanism, comprehensively heating and drying the food in a turnover state, simultaneously, because each air deflector is formed by splicing the plurality of arc deflectors according to a step shape, the plurality of air deflectors can uniformly diffuse the hot air to the turnover feeding mechanism, the plurality of air deflectors are arranged in a staggered way, and the hot air can flow leftwards through gaps among the plurality of air deflectors, thereby make hot gas flow evenly distributed between the multiunit aviation baffle and through the synchronous water conservancy diversion processing of multiunit aviation baffle, the air of outer box inside risees from a left side to right temperature gradually, it can carry out progressively heating drying process to food, exhaust mechanism can discharge air and moisture in the outer box to the external world, from making the steam in the outer box discharge fast, food through drying process passes through outer box right side bin outlet and discharges, thereby accomplish the automatic drying process work of food, through carrying out automatic drying process to food, can effectively improve moisture evaporation rate, thereby improve food drying speed, and the operating efficiency is improved, food is through comprehensive upset drying process simultaneously, effectively improves food stoving effect, reduce moisture and remain, and the practicality and the reliability are improved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic front side oblique view of the interior of the outer case of FIG. 1;

FIG. 3 is a cross-sectional oblique view of the middle part of the outer case in FIG. 1;

FIG. 4 is an enlarged view of a portion A of FIG. 3;

in the drawings, the reference numbers: 1. an outer case; 2. a feed conduit; 3. an air deflector; 4. a rotating shaft; 5. a synchronizing roller; 6. a chain plate; 7. blocking edges; 8. a first motor; 9. a bulk material channel; 10. a bulk material stop rod; 11. a second motor; 12. a turntable; 13. a wave bar; 14. an elliptical power sleeve; 15. a guide bar; 16. a spring; 17. a first air pump; 18. a first air pipe; 19. a cylindrical heating bin; 20. a heating ring; 21. a three-way pipe; 22. a wind dispersing bin; 23. a stirring shaft; 24. an arc-shaped air stirring plate; 25. a water accumulation bin; 26. an air guide channel; 27. a second air pump; 28. a second air pipe; 29. a drain pipe; 30. a water valve; 31. a water pressure meter.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the food drying device of the present invention is operated by pouring food into the turnover feeding mechanism through the feeding pipe 2 and the dispersing mechanism, the dispersing mechanism uniformly disperses the food, the food is uniformly laid on the turnover feeding mechanism, the turnover feeding mechanism turns over the food and conveys the food to the right, the heating and blowing mechanism discharges hot air in the heating and blowing mechanism to the upper right side of the inner part of the outer box 1, the hot air flows towards the left and blows to the plurality of air deflectors 3, the plurality of air deflectors 3 guide the hot air, so that the hot air flows downwards to the food on the turnover feeding mechanism, thereby the food in a turnover state is completely heated and dried, and simultaneously, because each group of air deflectors 3 is spliced according to a ladder shape, the plurality of air deflectors 3 can uniformly diffuse the hot air to the turnover feeding mechanism, the multiunit aviation baffle 3 is crisscross the installation each other, hot gas flow accessible multiunit aviation baffle 3 gap flows to the left, thereby make hot gas flow evenly distributed between multiunit aviation baffle 3 and handle through the synchronous water conservancy diversion of multiunit aviation baffle 3, the air of outer box 1 inside rises from a left side to the right temperature gradually, it can carry out progressively heating drying process to food, exhaust mechanism can discharge air and moisture in the outer box 1 to the external world, from making the steam in the outer box 1 discharge fast, the food through drying process passes through outer box 1 right side bin outlet and discharges, thereby accomplish the automatic drying process work of food.

The main functions realized by the invention are as follows: the food is automatically dried, so that the moisture evaporation speed can be effectively increased, the food drying speed is increased, the working efficiency is improved, meanwhile, the food is completely turned over and dried, the food drying effect is effectively improved, and the moisture residue is reduced; the turnover feeding mechanism has the working mode that a first motor 8 is turned on, the first motor 8 drives a chain plate 6 and two groups of flanges 7 to synchronously rotate through a left rotating shaft 4 and a synchronizing roller 5 arranged on the left rotating shaft, the chain plate 6 drives the remaining three groups of synchronizing rollers 5 and three groups of rotating shafts 4 to synchronously rotate, food discharged by a bulk cargo mechanism is uniformly scattered to the left side of the top of the chain plate 6, the rotating chain plate 6 drives the food to be conveyed rightwards, when the food moves to the middle part of the chain plate 6, the food automatically turns over and falls down, thereby realizing the purpose of automatically overturning and conveying the food, simultaneously, as the left side and the right side of the top of the chain plate 6 are inclined in the same direction, the moving direction of the food can be kept corresponding to the wind direction guided by the plurality of groups of wind deflectors 3 conveniently, the food can be dried comprehensively conveniently, the food is conveyed obliquely, moisture on the food can pass through the chain plates 6 and drip to the bottom of the outer box body 1, and water at the bottom of the outer box body 1 can enter the exhaust mechanism; the working mode of the bulk cargo mechanism is that the second motor 11 is turned on, the second motor 11 drives the fluctuation rod 13 to eccentrically rotate through the turntable 12, the fluctuation rod 13 vertically slides in the oval power sleeve 14 and pushes the oval power sleeve 14 to move back and forth, the oval power sleeve 14 drives the bulk cargo channel 9 and the plurality of bulk cargo blocking rods 10 to move back and forth on the feeding pipeline 2, so that the bulk cargo channel 9 is in a vibration state, food in the feeding pipeline 2 is discharged into the bulk cargo channel 9 and passes through gaps among the plurality of bulk cargo blocking rods 10 to fall to the upper left side of the top of the chain plate 6, and the bulk cargo channel 9 and the plurality of bulk cargo blocking rods 10 in the vibration state can conveniently and uniformly lay the food on the chain plate 6, so that the food is uniformly distributed, shielding among the food is avoided, and the drying effect is; when the bulk material channel 9 vibrates back and forth, the bulk material channel 9 drives the two groups of guide rods 15 to slide back and forth on the outer box body 1, so that the bulk material channel 9 is conveniently guided and supported, meanwhile, the two groups of springs 16 are extruded by the bulk material channel 9 to generate elastic deformation, and the two groups of springs 16 buffer the bulk material channel 9; the heating air supply mechanism has the working mode that the first air pump 17 is turned on, the first air pump 17 sucks external air through the left first air pipe 18 and discharges the external air into the cylinder heating bin 19 through the right first air pipe 18, the direction of the right output end of the right first air pipe 18 is tangent to the inner side wall of the cylinder heating bin 19, the air discharged into the cylinder heating bin 19 from the right first air pipe 18 flows along the inner wall of the cylinder heating bin 19 in a rotating mode, the groups of heating rings 20 are turned on, the groups of heating rings 20 heat the air in the cylinder heating bin 19 to form hot air flow, the hot air flow flows upwards and is discharged to the upper right side of the interior of the outer box body 1 leftwards through the three-way pipe 21 and the air dispersing bin 22, and accordingly hot air flow is provided for the interior of the outer box body 1, and meanwhile, the top of the cylinder heating bin 19 is inclined, so; the air discharged into the cylinder heating bin 19 from the first air pipe 18 on the right side can blow a plurality of groups of arc-shaped air stirring plates 24 and the stirring shaft 23 to rotate, the plurality of groups of arc-shaped air stirring plates 24 can stir the air in the cylinder heating bin 19 to rotationally flow along the inner side wall of the cylinder heating bin 19, and meanwhile, because the plurality of groups of arc-shaped air stirring plates 24 are obliquely arranged, the hot air in the cylinder heating bin 19 can be conveniently pushed to upwards flow, the air flow speed in the cylinder heating bin 19 and the contact effect of the air and a plurality of groups of heating rings 20 are improved, so that the temperature and the generation efficiency of the hot air are improved; the working mode of the air exhaust mechanism is that the second air pump 27 is opened, the second air pump 27 pumps the air in the water collecting bin 25 through the second air pipe 28 at the top of the second air pump 27 and exhausts the air to the outside through the second air pipe 28 at the right side of the second air pump 27, the water collecting bin 25 pumps the air in the outer box body 1 through the air guide channel 26, thereby discharging the water vapor in the outer box body 1, meanwhile, the water gathered at the bottom of the outer box body 1 can flow into the water accumulating bin 25 through the air guide channel 26, when the water at the bottom of the outer box 1 is more, the water accumulating bin 25 can quickly pump out the water at the bottom of the outer box 1 through the air guide channel 26 and store the water in the water accumulating bin 25, thereby improving the discharge speed of the water in the outer box body 1, when the water stored in the water accumulation bin 25 reaches a specified value, the water valve 30 is opened, the water in the water accumulation bin 25 can be discharged to an external collecting device through the water discharge pipe 29, thereby realizing the purpose that the water collecting bin 25 simultaneously extracts water and vapor in the outer box body 1; through setting up the water pressure gauge 31, can conveniently carry out real-time detection to the memory space of ponding 25 interior water, improve practicality and reliability.

According to the food drying device, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the food drying device can be implemented as long as the beneficial effects of the food drying device can be achieved; the heating ring 20 and the water pressure gauge 31 are commercially available.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A food drying device is characterized by comprising an outer box body (1) and a feed pipeline (2), wherein the left lower side of the bottom of the outer box body (1) is lower than the right lower side, the left side of the bottom of the outer box body (1) is communicated with an air exhaust mechanism, the right side of the top of the outer box body (1) is provided with a heating and air supply mechanism, the right lower side of the outer box body (1) is communicated with a discharge hole, the feed pipeline (2) is obliquely arranged on the left upper side of the outer box body (1) and extends into the left side inside the outer box body (1), the right side of the feed pipeline (2) is provided with a bulk cargo mechanism, the inside of the outer box body (1) is provided with an overturning feeding mechanism, the position of the bulk cargo mechanism corresponds to the position of the overturning feeding mechanism, the tops of the inner wall of the outer box body (1) are uniformly and alternately provided, the lower side directions of the arc-shaped plates on each group of air guide plates (3) are inclined downwards.

2. The food drying device according to claim 1, wherein the turnover feeding mechanism comprises four sets of rotating shafts (4), four sets of synchronous rollers (5), chain plates (6), two sets of flanges (7) and a first motor (8), the four sets of rotating shafts (4) are longitudinally and uniformly distributed in the outer box body (1), the front ends and the rear ends of the four sets of rotating shafts (4) are rotatably mounted on the inner side wall of the outer box body (1), the four sets of synchronous rollers (5) are respectively mounted on the four sets of rotating shafts (4), the chain plates (6) are laid on the outer walls of the four sets of synchronous rollers (5) and drive the four sets of synchronous rollers (5) to synchronously rotate, the left side and the right side of the top of the chain plates (6) are inclined in the same direction, the upper side of the middle of the chain plates (6) is in a step shape, the two sets of flanges (7) are respectively mounted on the front side and the rear side of the chain plates (6), the first motor (8) is, the rear output end of the first motor (8) is in transmission connection with the front end of the left rotating shaft (4), and the upper left side of the chain plate (6) corresponds to the bulk cargo mechanism.

3. The food drying device according to claim 2, wherein the bulk cargo mechanism comprises a bulk cargo channel (9), a second motor (11), a rotary table (12), a wave rod (13) and an oval power sleeve (14), the bulk cargo channel (9) is obliquely positioned at the upper left side inside the outer box body (1), the bulk cargo channel (9) is slidably sleeved on the outer wall at the right side of the feeding pipeline (2), the left end of the bulk cargo channel (9) is slidably installed at the left side of the inner side wall of the outer box body (1), the right end of the bulk cargo channel (9) corresponds to the upper left side of the chain plate (6), a plurality of groups of bulk cargo blocking rods (10) are uniformly arranged at the right end of the bulk cargo channel (9), the left ends of the plurality of groups of bulk cargo blocking rods (10) are all set to be conical surfaces, the second motor (11) is installed on the left side wall of the outer box body (1), the rotary table (12) is positioned at the left side inside the outer box body, the fluctuating rod (13) is eccentrically arranged at the upper right side of the rotary table (12), the elliptic power sleeve (14) is vertically sleeved on the outer side of the fluctuating rod (13) in a sliding manner, and the top of the elliptic power sleeve (14) is fixed at the bottom of the bulk material channel (9).

4. The food drying device as claimed in claim 3, wherein the front end and the rear end of the bulk material channel (9) are longitudinally provided with guide rods (15), the outer ends of the two sets of guide rods (15) penetrate through the outer box body (1) and extend out of the outer side of the outer box body (1), the two sets of guide rods (15) are slidably connected with the outer box body (1), the outer sides of the two sets of guide rods (15) are sleeved with springs (16), the two sets of springs (16) are located in the outer box body (1), and the inner ends and the outer ends of the two sets of springs (16) are respectively installed on the outer side wall of the bulk material channel (9) and the inner side wall of the outer box body (1).

5. The food drying device according to claim 4, wherein the heating and blowing mechanism comprises a first air pump (17), two sets of first air pipes (18), a cylindrical heating chamber (19), a three-way pipe (21) and an air dispersing chamber (22), the first air pump (17) is installed at the top of the outer box (1), the two sets of first air pipes (18) are respectively installed at the left input end and the right output end of the first air pump (17) in a communicating manner, the cylindrical heating chamber (19) is located at the right side of the first air pump (17) and is installed on the outer box (1), the top of the cylindrical heating chamber (19) is arranged to be an inclined plane and the inclined direction of the top of the cylindrical heating chamber faces to the upper right, the right output end of the first air pipe (18) at the right side of the first air pump (17) extends into the cylindrical heating chamber (19), the direction of the right output end of the first air pipe (18) at the right side of the, evenly be provided with multiunit heating ring (20) on the inner wall of drum heated warehouses (19), install on drum heated warehouses (19) top right side three-way pipe (21), the upper right side in outer box (1) is installed in scattered wind storehouse (22), the front end and the rear end in scattered wind storehouse (22) are installed in the front side output and the rear side output of three-way pipe (21) intercommunication respectively, the left side intercommunication in scattered wind storehouse (22) is provided with the platykurtic air exit, the air exit communicates with the inside upper right side in outer box (1), the position of air exit corresponds with the position of multiunit aviation baffle (3).

6. The food drying device of claim 5, further comprising a stirring shaft (23), wherein the stirring shaft (23) is vertically and rotatably installed in the middle of the cylindrical heating chamber (19), and a plurality of groups of arc-shaped stirring plates (24) are uniformly and obliquely arranged on the outer wall of the stirring shaft (23).

7. The food drying device of claim 6, wherein the air exhaust mechanism comprises a water collecting bin (25), an air guide channel (26) and a second air pump (27), two sets of second trachea (28), drain pipe (29) and water valve (30), the bottom left side at outer box (1) is installed in ponding storehouse (25), the left downside and intercommunication each other at ponding storehouse (25) are installed in wind-guiding passageway (26), the upper left side and the outer box (1) bottom left side intercommunication of wind-guiding passageway (26), the upper right side at ponding storehouse (25) is installed in second air pump (27), top and right side at second air pump (27) are installed in the intercommunication respectively in two sets of second trachea (28), second trachea (28) and the inside upside intercommunication in ponding storehouse (25) at second air pump (27) top, the bottom at ponding storehouse (25) is installed in drain pipe (29) intercommunication, water valve (30) are installed on drain pipe (29).

8. The food drying apparatus of claim 7, further comprising a water pressure gauge (31), wherein the water pressure gauge (31) is installed at a lower right side of the sump (25) and communicates with an inside of the sump (25).