Grain constant-temperature drying device capable of supplying air in multiple directions

Abstract

The invention relates to the technical field of grain processing, in particular to a multidirectional air supply grain constant-temperature drying device which is characterized in that a cover body is arranged at the top of a tank body, and a feeding hopper is arranged on the cover body; the rotating mechanism is arranged in the tank body; the drying mechanism is arranged in the tank body and is connected with the rotating mechanism; the discharging mechanism is connected with the tank body and the rotating mechanism; when stirring rotation air supply is achieved, the first air guide pipe and the second air guide pipe are stable and not prone to being broken; and multi-directional air suction is realized while multi-directional air supply is realized, so that the drying is more uniform.

Description

Technical Field

[0001] The invention relates to the technical field of grain processing, and in particular to a grain constant-temperature drying device with multi-directional air supply. Background Art

[0002] When processing grains, the grains need to be dried for easy preservation. Currently, several pipes are generally inserted into the grains for drying. In order to achieve multi-directional air supply, a stirring and rotating air supply method is also adopted. However, grains are generally difficult to stir, the air supply pipes are unstable and easy to break, and the air outlets are few and concentrated, resulting in uneven air outlet and poor drying effect. Therefore, a grain constant temperature drying device with multi-directional air supply is proposed. Summary of the invention

[0003] The purpose of the present invention is to address the defects and shortcomings of the prior art and provide a grain constant temperature drying device with multi-directional air supply. When the stirring and rotating air supply is realized, the No. 1 air duct and the No. 2 air duct are stable and not easy to break; while realizing multi-directional air supply, multi-directional exhaust is realized to make drying more uniform.

[0004] To achieve the above object, the present invention adopts the following technical scheme: it comprises a tank body, a cover body and a feed hopper; the top of the tank body is provided with a cover body, and the cover body is provided with a feed hopper;

[0005] It also contains:

[0006] A rotating mechanism, wherein the rotating mechanism is arranged in the tank body;

[0007] A drying mechanism, wherein the drying mechanism is disposed in the tank body and connected to the rotating mechanism;

[0008] A discharging mechanism, wherein the discharging mechanism is connected to the tank body and the rotating mechanism;

[0009] Through the above technical solution design, materials are fed from the feed hopper, and when the drying mechanism is drying, the rotating mechanism is used to rotate to achieve multi-directional air supply and exhaust. After drying, the discharging mechanism is used to discharge the materials.

[0010] Preferably, the rotating mechanism comprises:

[0011] A rotating motor, the rotating motor is fixed at the bottom of the tank; the rotating motor is connected to an external power source; the output shaft of the rotating motor is connected to a first rotating shaft;

[0012] A turntable, the turntable is fixed on the No. 1 rotating shaft, and the annular wall of the turntable is arranged against the inner annular wall of the tank body; a No. 1 air guide pipe, the No. 1 air guide pipe is fixed on the turntable; and the No. 1 air guide pipe is provided with a plurality of No. 1 air guide holes;

[0013] A connecting plate, the connecting plate is connected to the No. 1 air guide pipe through and through; a ring groove is provided on the connecting plate;

[0014] A connection box, wherein the connection box is disposed against the connection plate, a limit ring is integrally formed at the bottom of the connection box, the limit ring is movably clamped in the ring groove, and the upper end of the connection box is fixed to the bottom of the cover body through a No. 1 connection rod;

[0015] No. 2 air guide tubes, the number of which is several and are respectively distributed in a ring shape and penetrated and connected to the No. 1 air guide tube; the No. 2 air guide tube is in an "L" shape, and the bottom of the No. 2 air guide tube is fixed on the turntable; the vertical tube of the No. 2 air guide tube is provided with several No. 2 air guide holes;

[0016] The gauze cylinders are multiple in number and are respectively fitted and fixed on the No. 1 air guide tube and the No. 2 air guide tube;

[0017] Through the above technical solution design, the rotating motor is started to rotate the turntable, which drives the No. 1 air duct and the No. 2 air duct to rotate, so that the grain in the tank is stirred and rotated. The turntable drives the No. 1 air duct and the No. 2 air duct to be stable and not easy to break.

[0018] Preferably, a limiting frame is fixed on the annular wall of the tank body, and the turntable is mounted on the limiting frame;

[0019] Through the above technical solution design, the limit frame plays a supporting role.

[0020] Preferably, the drying mechanism comprises:

[0021] An air pump, wherein the air pump is fixed on the cover body, and an air outlet of the air pump is passed through the cover body through a No. 3 air guide pipe;

[0022] A fourth airway pipe, the fourth airway pipe is connected to the ring wall of the connection box through the connection box; the third airway pipe is arranged against the fourth airway pipe;

[0023] A heating tank, wherein the heating tank is fixed on the cover body; a gas filter is connected through the upper end of the heating tank, and the gas filter is connected to the air inlet end of the air pump through a conduit;

[0024] A heating rod, which is fixed in the heating tank and is arranged in a spiral shape and is connected to an external power source;

[0025] The ventilation boxes are several in number and are respectively distributed in an annular shape and connected to the annular wall of the tank body; a filter is provided on the inner side of the ventilation box; a No. 5 air guide pipe is connected to the upper end of the ventilation box;

[0026] No. 6 air guide pipe, the number of which is several and each of which is connected to the bottom of the ring wall of the heating tank, and the other end of the No. 6 air guide pipe is mounted on the No. 5 air guide pipe;

[0027] Through the above technical solution design, the air pump and the heating rod are started to extract the gas in the tank, so that the gas in the tank is evenly extracted from multiple directions, heated in the heating rod, and after passing through the gas filter to absorb moisture, the gas enters the tank to dry the grain.

[0028] Preferably, a No. 1 sealing ring is fixed on the No. 4 air guide tube, and the No. 3 air guide tube is arranged against the No. 1 sealing ring and the No. 4 air guide tube;

[0029] Through the above technical solution design, when the cover body is removed, the No. 3 air guide tube is separated from the No. 4 air guide tube; when the cover body is closed, the No. 3 air guide tube is pressed on the No. 1 sealing ring and the No. 4 air guide tube to form a seal.

[0030] Preferably, a No. 2 sealing ring is fixed to the upper end of the No. 5 air guide tube; the other end of the No. 6 air guide tube is mounted on the No. 2 sealing ring and the No. 5 air guide tube;

[0031] Through the above technical solution design, when the cover is removed, the No. 5 air guide tube is separated from the No. 6 air guide tube; when the cover is closed, the No. 3 air guide tube is pressed on the No. 2 sealing ring and the No. 6 air guide tube to form a seal.

[0032] Preferably, the discharging mechanism comprises:

[0033] The discharge pipe is an arc-shaped structure, and the discharge pipe is inserted and fixed at the bottom of the turntable; the lower part of the discharge pipe is fitted against the inner ring wall of the tank body; and a discharge port is opened on the inner ring wall of the tank body;

[0034] A discharge motor, wherein the discharge motor is fixed to the annular wall of the tank body through a bracket, a second rotating shaft is connected to the output shaft of the discharge motor, and the other end of the second rotating shaft is connected to the tank body through the bracket;

[0035] A second connecting rod, the second connecting rod is fixed on the second rotating shaft; the second connecting rod is in an "L" shape;

[0036] A No. 3 connecting rod, the No. 3 connecting rod is an arc-shaped structure, and the No. 3 connecting rod is arranged in the discharge pipe; a blocking plate is fixed on the upper end of the No. 3 connecting rod, and the blocking plate is arranged at the upper end of the discharge pipe, and the blocking plate is arranged flush with the turntable;

[0037] A connecting block, the connecting block is fixed to the inner end of the bottom of the second connecting rod; the connecting block is embedded in the discharge port, and the inner wall of the connecting block is arranged to have the same curvature as the inner ring wall of the tank body;

[0038] A double-headed motor, wherein the double-headed motor is fixed in the connection block and connected to an external power supply;

[0039] Electric telescopic rods, the number of which is two and respectively embedded in the upper and lower parts of the connecting block, the electric telescopic rods are connected to an external power source; the mounting end of the electric telescopic rods is connected to the output shaft of the double-headed motor through accessories;

[0040] The number of the plugging rods is two, and the plugging rods are of a broken line structure. The plugging rods are respectively connected to the movable ends of the electric telescopic rods, and the other ends of the plugging rods are movably inserted on the third connecting rod;

[0041] Through the above technical solution design, the electric telescopic rod is started to make the insertion rod leave the No. 3 connecting rod, and the double-headed motor is started to make the insertion rod rotate to the outside of the discharge pipe. When the turntable rotates, the storage pipe and the No. 3 connecting rod are pressed against the inner ring wall of the tank body and the connecting block and rotate; when discharging, the double-headed motor and the electric telescopic rod are started, so that the insertion rod is inserted into the No. 3 connecting rod, so that the No. 3 connecting rod is fixed to the connecting block; the discharging motor is started to make the No. 2 rotating shaft rotate to drive the No. 2 connecting rod, the connecting block and the No. 3 connecting rod to drive the blocking plate to move out of the discharge pipe, so that the grain falls from the discharge pipe.

[0042] Compared with the prior art, the present invention has the following beneficial effects:

[0043] 1. It is equipped with a rotating mechanism. When the stirring and rotating air supply is realized, the No. 1 air guide pipe and the No. 2 air guide pipe are stable and not easy to break;

[0044] 2. Equipped with a drying mechanism, it can realize multi-directional air supply and multi-directional exhaust at the same time, making the drying more uniform. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 It is a structural schematic diagram of the present invention.

[0046] Figure 2 It is the decomposition of the cover body and the can body in the present invention.

[0047] Figure 3 yes Figure 2 Enlarged view of part A in .

[0048] Figure 4 It is a structural schematic diagram of the connection disk, the connection box and the limit ring in the present invention.

[0049] Figure 5 It is a structural schematic diagram of a No. 1 air guide tube, a No. 1 air guide hole, a No. 2 air guide tube and a No. 2 air guide hole in the present invention.

[0050] Figure 6 It is a structural schematic diagram of the heating rod in the present invention.

[0051] Figure 7 It is a structural schematic diagram of the turntable and the discharging mechanism in the present invention.

[0052] Figure 8 yes Figure 7 Enlarged view of part B in .

[0053] Fig. 9 It is a cross-sectional view of the connecting block in the present invention.

[0054] Description of reference numerals:

[0055] Tank body 1, discharge port 1-1, cover body 2, feed hopper 3, rotating mechanism 4, rotating motor 4-1, No. 1 rotating shaft 4-2, turntable 4-3, limiting frame 4-4, No. 1 air guide pipe 4-5, No. 1 air guide hole 4-6, connecting plate 4-7, ring groove 4-8, connecting box 4-9, No. 1 connecting rod 4-10, limiting ring 4-11, No. 2 air guide pipe 4-12, No. 2 air guide hole 4-13, mesh cylinder 4-14, drying mechanism 5, air pump 5-1, No. 3 air guide pipe 5-2, No. 4 air guide Tube 5-3, No. 1 sealing ring 5-4, heating tank 5-5, gas filter 5-6, heating rod 5-7, ventilation box 5-8, filter screen 5-9, No. 5 air guide tube 5-10, No. 2 sealing ring 5-11, No. 6 air guide tube 5-12, discharging mechanism 6, discharging pipe 6-1, discharging motor 6-2, No. 2 rotating shaft 6-3, No. 2 connecting rod 6-4, No. 3 connecting rod 6-5, blocking plate 6-6, connecting block 6-7, double-head motor 6-8, electric telescopic rod 6-9, plug rod 6-10. DETAILED DESCRIPTION

[0056] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

[0057] This specific implementation adopts the following technical solutions:

[0058] Embodiment 1:

[0059] See also Figure 1-2 , this embodiment 1 comprises a tank body 1, a cover body 2 and a feed hopper 3; the top of the tank body 1 is provided with a cover body 2, and the cover body 2 is provided with a feed hopper 3;

[0060] It also contains:

[0061] A rotating mechanism 4, wherein the rotating mechanism 4 is arranged in the tank body 1;

[0062] A drying mechanism 5, wherein the drying mechanism 5 is disposed in the tank body 1 and is connected to the rotating mechanism 4;

[0063] A discharging mechanism 6, wherein the discharging mechanism 6 is connected to the tank body 1 and the rotating mechanism 4;

[0064] In Example 1, materials are fed from a feed hopper 3, and when a drying mechanism 5 is drying, a rotating mechanism 4 is used to rotate to achieve multi-directional air supply and exhaust, and after drying is completed, a discharging mechanism 6 is used to discharge the materials.

[0065] Embodiment 2:

[0066] See also Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 7 , based on Example 1, the rotating mechanism 4 comprises:

[0067] A rotating motor 4-1, wherein the rotating motor 4-1 is fixed to the bottom of the tank body 1 by bolts; the rotating motor 4-1 is connected to an external power source, and the specific model of the rotating motor 4-1 is purchased and installed directly from the market according to actual use requirements; a first rotating shaft 4-2 is connected to the output shaft of the rotating motor 4-1;

[0068] A turntable 4-3, wherein the turntable 4-3 is fixed on the first rotating shaft 4-2, and the annular wall of the turntable 4-3 is against the inner annular wall of the tank body 1; a limit frame 4-4 is fixed to the annular wall of the tank body 1 by bolts, and the turntable 4-3 is mounted on the limit frame 4-4;

[0069] A No. 1 air guide pipe 4-5, wherein the No. 1 air guide pipe 4-5 is fixed to the turntable 4-3 by bolts; a plurality of No. 1 air guide holes 4-6 are provided on the No. 1 air guide pipe 4-5;

[0070] A connecting plate 4-7, wherein the connecting plate 4-7 is connected to the first air guide pipe 4-5 through the connecting plate 4-7; a ring groove 4-8 is formed on the connecting plate 4-7;

[0071] A connection box 4-9, wherein the connection box 4-9 is disposed against the connection plate 4-7, a limit ring 4-11 is integrally formed at the bottom of the connection box 4-9, the limit ring 4-11 is movably clamped in the ring groove 4-8, and the upper end of the connection box 4-9 is fixed to the bottom of the cover body 2 through a No. 1 connection rod 4-10;

[0072] The second air guide pipe 4-12 is provided in a plurality of numbers and is respectively distributed in a ring shape and penetrates and connects with the first air guide pipe 4-5; the second air guide pipe 4-12 is in an "L"-shaped structure, and the bottom of the second air guide pipe 4-12 is fixed on the turntable 4-3 by bolts; a plurality of second air guide holes 4-13 are provided on the vertical pipe of the second air guide pipe 4-12;

[0073] The gauze cylinder 4-14 is in multiple numbers and is respectively fitted and fixed on the No. 1 air guide tube 4-5 and the No. 2 air guide tube 4-12;

[0074] With this embodiment, the rotating motor 4-1 is started to rotate the turntable 4-3, which drives the No. 1 air duct 4-5 and the No. 2 air duct 4-12 to rotate, so that the grain in the tank body 1 is stirred and rotated, and the turntable 4-3 drives the No. 1 air duct 4-5 and the No. 2 air duct 4-12 to be stable and not easy to break.

[0075] Embodiment 3:

[0076] See also Figure 1 , Figure 2 , Figure 3 and Figure 6 On the basis of Example 2, the drying mechanism 5 comprises:

[0077] An air pump 5-1, wherein the air pump 5-1 is fixed to the cover body 2 by bolts, and an air outlet end of the air pump 5-1 is passed through the cover body 2 by a third air guide pipe 5-2;

[0078] No. 4 air guide tube 5-3, the No. 4 air guide tube 5-3 is connected to the ring wall of the connection box 4-9 through the connection box; No. 1 sealing ring 5-4 is fixed to the No. 4 air guide tube 5-3 by gluing, and the No. 3 air guide tube 5-2 is arranged on the No. 1 sealing ring 5-4 and the No. 4 air guide tube 5-3;

[0079] A heating tank 5-5, wherein the heating tank 5-5 is fixed to the cover body 2 by bolts; a gas filter 5-6 is connected through the upper end of the heating tank 5-5, and the gas filter 5-6 is connected to the air inlet end of the air pump 5-1 through a conduit;

[0080] Heating rod 5-7, the heating rod 5-7 is fixed in the heating tank 5-5, the heating rod 5-7 is spirally arranged, the heating rod 5-7 is connected to an external power supply, and the specific use model of the heating rod 5-7 is directly purchased and installed from the market according to actual use requirements and used;

[0081] The ventilation box 5-8 is provided in several pieces and is respectively distributed in an annular shape and connected to the annular wall of the tank body 1; a filter screen 5-9 is provided on the inner side of the ventilation box 5-8; a No. 5 air guide pipe 5-10 is connected to the upper end of the ventilation box 5-8; a No. 2 sealing ring 5-11 is fixed to the upper end of the No. 5 air guide pipe 5-10 by gluing;

[0082] No. 6 air guide pipe 5-12, the number of the No. 6 air guide pipe 5-12 is several, and each of them is connected to the bottom of the ring wall of the heating tank 5-5, and the other end of the No. 6 air guide pipe 5-12 is mounted on the No. 2 sealing ring 5-11 and the No. 5 air guide pipe 5-10;

[0083] According to this embodiment, the air pump 5-1 and the heating rod 5-7 are started to extract the gas in the tank body 1, so that the gas in the tank body 1 is evenly extracted from multiple directions, heated by the heating rod 5-7, and after absorbing moisture through the gas filter 5-6, the gas enters the tank body 1 to dry the food.

[0084] Embodiment 4:

[0085] See also Figure 1 , Figure 2 , Figure 8 and Fig. 9 On the basis of Example 2, the discharging mechanism 6 comprises:

[0086] The discharge pipe 6-1 is an arc-shaped structure, and the discharge pipe 6-1 is inserted and fixed at the bottom of the turntable 4-3; the lower part of the discharge pipe 6-1 is fitted against the inner ring wall of the tank body 1; the inner ring wall of the tank body 1 is provided with a discharge port 1-1;

[0087] A discharge motor 6-2, wherein the discharge motor 6-2 is fixed to the annular wall of the tank body 1 through a bracket, a second rotating shaft 6-3 is connected to the output shaft of the discharge motor 6-2, and the other end of the second rotating shaft 6-3 is connected to the tank body 1 through a bracket;

[0088] A second connecting rod 6-4, wherein the second connecting rod 6-4 is fixed on the second rotating shaft 6-3; the second connecting rod 6-4 is in an "L" shape;

[0089] The third connecting rod 6-5 is an arc-shaped structure, and the third connecting rod 6-5 is arranged in the discharge pipe 6-1; a blocking plate 6-6 is fixed to the upper end of the third connecting rod 6-5, and the blocking plate 6-6 is blocked at the upper end of the discharge pipe 6-1, and the blocking plate 6-6 is arranged flush with the turntable 4-3;

[0090] The connecting block 6-7 is fixed to the inner end of the bottom of the second connecting rod 6-4; the connecting block 6-7 is embedded in the discharge port 1-1, and the inner wall of the connecting block 6-7 is arranged to have the same curvature as the inner ring wall of the tank body 1;

[0091] A double-headed motor 6-8, wherein the double-headed motor 6-8 is fixed in the connection block 6-7, the double-headed motor 6-8 is connected to an external power supply, and the specific use model of the double-headed motor 6-8 is directly purchased, installed and used from the market according to actual use requirements;

[0092] Electric telescopic rod 6-9, the number of the electric telescopic rod 6-9 is two, and they are respectively embedded in the upper and lower parts of the connecting block 6-7, the electric telescopic rod 6-9 is connected to an external power supply, and the specific use model of the electric telescopic rod 6-9 is directly purchased and installed from the market according to actual use requirements; the installation end of the electric telescopic rod 6-9 is connected to the output shaft of the double-head motor 6-8 through accessories;

[0093] Insertion rod 6-10, the number of the insertion rod 6-10 is two, the insertion rod 6-10 is a broken line structure, the insertion rod 6-10 is respectively connected to the movable end of the electric telescopic rod 6-9, and the other end of the insertion rod 6-10 is movably inserted on the third connecting rod 6-5;

[0094] In this embodiment, the electric telescopic rod 6-9 is started, so that the insertion rod 6-10 leaves the third connecting rod 6-5, and the double-headed motor 6-8 is started, so that the insertion rod 6-10 rotates to the outside of the discharge pipe 6-1. When the turntable 4-3 rotates, the storage pipe and the third connecting rod 6-5 are pressed against the inner ring wall of the tank body 1 and the connecting block 6-7 and rotate;

[0095] When discharging, start the double-headed motor 6-8 and the electric telescopic rod 6-9, so that the insertion rod 6-10 is inserted into the No. 3 connecting rod 6-5, so that the No. 3 connecting rod 6-5 and the connecting block 6-7 are fixed; start the discharging motor 6-2, so that the No. 2 rotating shaft 6-3 rotates to drive the No. 2 connecting rod 6-4, the connecting block 6-7 and the No. 3 connecting rod 6-5 to drive the blocking plate 6-6 to move out of the discharging pipe 6-1, so that the grain falls from the discharging pipe 6-1.

[0096] When the present invention is used, feed from the feed hopper 3, start the electric telescopic rod 6-9, so that the insertion rod 6-10 leaves the third connecting rod 6-5, start the double-head motor 6-8, so that the insertion rod 6-10 rotates to the outside of the discharge pipe 6-1; start the rotating motor 4-1, so that the turntable 4-3 rotates, the storage pipe and the third connecting rod 6-5 are pressed against the inner ring wall of the tank body 1 and the connecting block 6-7 and rotate, and the first air guide pipe 4-5 and the second air guide pipe 4-12 rotate, so that the grain in the tank body 1 is stirred and rotated, The turntable 4-3 drives the No. 1 air duct 4-5 and the No. 2 air duct 4-12 to make them stable and not easy to break; the air pump 5-1 and the heating rod 5-7 are started to extract the gas in the tank body 1, so that the gas in the tank body 1 is evenly extracted from multiple directions, heated in the heating rod 5-7, and after passing through the gas filter 5-6 to absorb moisture, the gas enters the tank body 1 to dry the grain, and the No. 1 air duct 4-5 and the No. 2 air duct 4-12 supply air in multiple directions;

[0097] When discharging, the turntable 4-3 stops rotating and the discharging pipe 6-1 is aligned with the discharging port 1-1, and the double-headed motor 6-8 and the electric telescopic rod 6-9 are started, so that the insertion rod 6-10 is inserted on the No. 3 connecting rod 6-5, so that the No. 3 connecting rod 6-5 is fixed to the connecting block 6-7; the discharging motor 6-2 is started, so that the No. 2 rotating shaft 6-3 rotates to drive the No. 2 connecting rod 6-4, the connecting block 6-7 and the No. 3 connecting rod 6-5 to drive the blocking plate 6-6 to move out of the discharging pipe 6-1, so that the grain falls from the discharging pipe 6-1.

[0098] Compared with the prior art, the present invention has the following beneficial effects:

[0099] 1. A rotating mechanism 4 is provided, and when the stirring and rotating air supply is realized, the No. 1 air guide pipe 4-5 and the No. 2 air guide pipe 4-12 are stable and not easy to break;

[0100] 2. A drying mechanism 5 is provided to realize multi-directional air supply and multi-directional air extraction, so that the drying is more uniform.

[0101] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A grain constant temperature drying device with multi-directional air supply, comprising a tank body (1), a cover body (2) and a feed hopper (3); the top of the tank body (1) is provided with a cover body (2), and the cover body (2) is provided with a feed hopper (3); It is characterized in that It also contains: A rotating mechanism (4), wherein the rotating mechanism (4) is arranged in the tank body (1); A drying mechanism (5), wherein the drying mechanism (5) is disposed in the tank body (1), and the drying mechanism (5) is connected to the rotating mechanism (4); A discharging mechanism (6), wherein the discharging mechanism (6) is connected to the tank body (1) and the rotating mechanism (4).

2. The grain constant temperature drying device with multi-directional air supply according to claim 1, characterized in that: The rotating mechanism (4) comprises: A rotating motor (4-1), wherein the rotating motor (4-1) is fixed to the bottom of the tank (1); the rotating motor (4-1) is connected to an external power source; and a first rotating shaft (4-2) is connected to the output shaft of the rotating motor (4-1); A rotating disk (4-3), wherein the rotating disk (4-3) is fixed on a No. 1 rotating shaft (4-2), and the annular wall of the rotating disk (4-3) is disposed against the inner annular wall of the tank body (1); a No. 1 air guide pipe (4-5), wherein the No. 1 air guide pipe (4-5) is fixed on the rotating disk (4-3); and the No. 1 air guide pipe (4-5) is provided with a plurality of No. 1 air guide holes (4-6); A connecting plate (4-7), the connecting plate (4-7) is connected to the first air guide tube (4-5); a ring groove (4-8) is formed on the connecting plate (4-7); A connection box (4-9), wherein the connection box (4-9) is disposed against the connection disk (4-7), a limiting ring (4-11) is integrally formed at the bottom of the connection box (4-9), the limiting ring (4-11) is movably clamped in the ring groove (4-8), and the upper end of the connection box (4-9) is fixed to the bottom of the cover body (2) via a No. 1 connection rod (4-10); No. 2 air guide pipes (4-12), the number of the No. 2 air guide pipes (4-12) is several, and they are respectively distributed in a ring shape and penetrate and connect with the No. 1 air guide pipe (4-5); the No. 2 air guide pipe (4-12) is in an "L"-shaped structure, and the bottom of the No. 2 air guide pipe (4-12) is fixed on the rotating disk (4-3); the vertical pipe of the No. 2 air guide pipe (4-12) is provided with several No. 2 air guide holes (4-13); The gauze cylinders (4-14) are multiple in number and are respectively fitted and fixed on the first air guide tube (4-5) and the second air guide tube (4-12).

3. The grain constant temperature drying device with multi-directional air supply according to claim 2, characterized in that: A limiting frame (4-4) is fixed on the annular wall of the tank body (1), and the rotating disk (4-3) is mounted on the limiting frame (4-4).

4. The grain constant temperature drying device with multi-directional air supply according to claim 2, characterized in that: The drying mechanism (5) comprises: An air pump (5-1), wherein the air pump (5-1) is fixed on the cover body (2), and an air outlet end of the air pump (5-1) is passed through the cover body (2) via a third air guide pipe (5-2); A No. 4 air guide tube (5-3), wherein the No. 4 air guide tube (5-3) is connected through the ring wall of the connection box (4-9); the No. 3 air guide tube (5-2) is disposed against the No. 4 air guide tube (5-3); A heating tank (5-5), wherein the heating tank (5-5) is fixed on the cover body (2); a gas filter (5-6) is connected through the upper end of the heating tank (5-5), and the gas filter (5-6) is connected to the air inlet end of the air pump (5-1) through a conduit; A heating rod (5-7), wherein the heating rod (5-7) is fixed in the heating tank (5-5), the heating rod (5-7) is spirally arranged, and the heating rod (5-7) is connected to an external power source; Ventilation boxes (5-8), the number of the venting boxes (5-8) being several and respectively distributed in an annular shape and penetratingly connected to the annular wall of the tank body (1); A filter screen (5-9) is provided on the inner side of the ventilation box (5-8); a No. 5 air guide pipe (5-10) is connected through the upper end of the ventilation box (5-8); The number of the sixth air guide pipe (5-12) is several, and each of the six air guide pipes (5-12) is connected to the bottom of the ring wall of the heating tank (5-5) through the other end of the sixth air guide pipe (5-12) is mounted on the fifth air guide pipe (5-10).

5. The grain constant temperature drying device with multi-directional air supply according to claim 4, characterized in that: A No. 1 sealing ring (5-4) is fixed on the No. 4 air guide tube (5-3), and the No. 3 air guide tube (5-2) is disposed against the No. 1 sealing ring (5-4) and the No. 4 air guide tube (5-3).

6. The grain constant temperature drying device with multi-directional air supply according to claim 4, characterized in that: A No. 2 sealing ring (5-11) is fixed to the upper end of the No. 5 air guide tube (5-10); and the other end of the No. 6 air guide tube (5-12) is mounted on the No. 2 sealing ring (5-11) and the No. 5 air guide tube (5-10).

7. The grain constant temperature drying device with multi-directional air supply according to claim 2, characterized in that: The discharging mechanism (6) comprises: A discharge pipe (6-1), the discharge pipe (6-1) is an arc-shaped structure, the discharge pipe (6-1) is inserted and fixed at the bottom of the turntable (4-3); the lower part of the discharge pipe (6-1) is fitted against the inner ring wall of the tank body (1); the inner ring wall of the tank body (1) is provided with a discharge port (1-1); A discharge motor (6-2), wherein the discharge motor (6-2) is fixed to the annular wall of the tank body (1) via a bracket, a second rotating shaft (6-3) is connected to the output shaft of the discharge motor (6-2), and the other end of the second rotating shaft (6-3) is connected to the tank body (1) via the bracket; A second connecting rod (6-4), wherein the second connecting rod (6-4) is fixed on the second rotating shaft (6-3); the second connecting rod (6-4) is in an "L"-shaped structure; A No. 3 connecting rod (6-5), the No. 3 connecting rod (6-5) is an arc-shaped structure, and the No. 3 connecting rod (6-5) is arranged in the discharge pipe (6-1); a blocking plate (6-6) is fixed to the upper end of the No. 3 connecting rod (6-5), and the blocking plate (6-6) is blocked at the upper end of the discharge pipe (6-1), and the blocking plate (6-6) is arranged flush with the rotating disk (4-3); A connecting block (6-7), wherein the connecting block (6-7) is fixed to the inner end of the bottom of the second connecting rod (6-4); the connecting block (6-7) is embedded in the discharge port (1-1), and the inner wall of the connecting block (6-7) is arranged to have the same curvature as the inner ring wall of the tank body (1); A double-headed motor (6-8), wherein the double-headed motor (6-8) is fixed in the connecting block (6-7), and the double-headed motor (6-8) is connected to an external power source; An electric telescopic rod (6-9), wherein the number of the electric telescopic rods (6-9) is two and they are respectively embedded in the upper and lower parts of the connecting block (6-7), and the electric telescopic rod (6-9) is connected to an external power source; the mounting end of the electric telescopic rod (6-9) is connected to the output shaft of the double-head motor (6-8) through an accessory; The number of the plugging rods (6-10) is two, and the plugging rods (6-10) are of a broken line structure. The plugging rods (6-10) are respectively connected to the movable ends of the electric telescopic rods (6-9), and the other end of the plugging rod (6-10) is movably inserted on the third connecting rod (6-5).

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