CN220250481U

CN220250481U - Cereal drying system

Info

Publication number: CN220250481U
Application number: CN202321857787.4U
Authority: CN
Inventors: 李鸿; 严欢; 李向阳; 万松彤; 毛玉玲; 李明辉; 李在炯; 刘毅
Original assignee: Yichang Beidou Yuanxing Ecological Agriculture Technology Development Co ltd
Current assignee: Yichang Beidou Yuanxing Ecological Agriculture Technology Development Co ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2023-12-26
Anticipated expiration: 2033-07-14

Abstract

The grain drying system comprises a drying tower, a transfer box, a dehumidification system and a hot air system, wherein the transfer box is arranged outside the drying tower, the bottom of the drying tower is connected with the bottom of the transfer box through a conveyor belt, a feeding system is arranged at the axis of the drying tower, and the top of the feeding system is connected with the top of the transfer box through a feeding channel; the drying tower is of a double-layer structure, the middle interlayer of the drying tower is communicated with the hot air system, and the feeding system is communicated with the dehumidification system; according to the utility model, the grain can be dried rapidly and uniformly through the specific drying tower structure and the hot air system, and the moisture in the grain can be discharged rapidly through the dehumidification system, so that the phenomena of cracking, waist explosion and the like of the grain are reduced, the drying quality of the grain is effectively improved, and the consumption of energy sources is reduced.

Description

Cereal drying system

Technical Field

The utility model relates to the field of grain processing devices, in particular to a grain drying system.

Background

In the traditional grain processing process, for better preservation of harvested grains, the harvested grains need to be dried, and in the drying process of the grains, the traditional method adopts sun drying, and at present, grain-planting-scale farms widely use grain dryers, which are drying equipment for forced drying by hot air, so that the harvested grains can be dried and put in storage at any time without being limited by weather conditions.

The existing grain drier is mainly a circulating grain drier, grains are transported by a grain elevator through a grain transportation pipeline, and directly enter a drying area from the upper end of the drier, a large amount of grains are poured, uneven distribution is caused, the grains are not easy to dry, and the grains at the bottom are also easy to backlog and are unevenly dried.

Disclosure of Invention

In view of the technical problems existing in the background art, the grain drying system provided by the utility model has the advantages that grains can be dried rapidly and uniformly through the specific drying tower structure and the hot air system, moisture in the grains can be discharged rapidly through the dehumidification system, phenomena of cracking, waist explosion and the like of the grains are reduced, the drying quality of the grains is effectively improved, and the consumption of energy is reduced.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the grain drying system comprises a drying tower, a transfer box, a dehumidification system and a hot air system, wherein the transfer box is arranged outside the drying tower, the bottom of the drying tower is connected with the bottom of the transfer box through a conveyor belt, a feeding system is arranged at the axis of the drying tower, and the top of the feeding system is connected with the top of the transfer box through a feeding channel; the drying tower is of a double-layer structure, the middle interlayer of the drying tower is communicated with the hot air system, and the feeding system is communicated with the dehumidification system.

In the preferred scheme, the feeding system comprises an inner cylinder, a conversion box, a rotating motor and a spiral feeding mechanism; the inner cylinder is vertically arranged in the drying tower and is coaxial with the drying tower, a spiral feeding mechanism is arranged in the inner cylinder, a conversion box is arranged at the top of the inner cylinder, and a rotating motor is arranged at the top of the conversion box and is connected with the spiral feeding mechanism.

In the preferred scheme, the both sides of transfer case are provided with the discharge gate, and the opposite side intercommunication pay-off passageway of transfer case, the inside of transfer case is provided with the conversion gate and controls the opening and close of discharge gate and pay-off passageway.

In the preferred scheme, dehumidification system includes sleeve pipe, exhaust column and air exhauster, the sleeve pipe cup joints in the outside of inner tube and coaxial with the inner tube, and the sleeve pipe constitutes the intermediate layer with the outer wall of inner tube, and the exhaust column is connected to the one end of exhaust column, and the other end intercommunication sleeve pipe and inner tube outer wall intermediate layer of exhaust column.

In the preferred scheme, a plurality of air inlets are formed in the upper part of the sleeve at equal intervals, and a filter screen is arranged at the air inlet.

In the preferred scheme, the hot air system comprises an air inlet pipe, a heat exchanger and a blower, one end of the air inlet pipe is communicated with the interlayer in the middle of the drying tower, the other side of the air inlet pipe is communicated with the blower, and the heat exchanger is arranged on the air inlet pipe.

In the preferred scheme, the inner wall department annular symmetry of drying tower installs the air-out spray tube, the air-out spray tube is provided with the multilayer and equally distributes, and the air inlet intercommunication drying tower middle part intermediate layer of air-out spray tube.

In the preferred scheme, the top of drying tower sets up the roof, set up the hole on the roof.

The following beneficial effects can be achieved in this patent:

1. the device can quickly and uniformly dry grains in the tower by arranging the double-layer drying tower structure and matching with the hot air system and the air outlet spray pipe, so that the grain drying quality is improved, and meanwhile, the working efficiency is also improved;

2. the system can quickly discharge water vapor in grains in the drying process by arranging the dehumidification system, can effectively control the drying speed, and prevents poor quality of finished products caused by over-high drying speed, and the phenomena of cracking and bursting waist in the follow-up rice milling process;

3. the system can convey the grains to be dried into the drying tower through the feeding system, and simultaneously, the dried grains are discharged in time, so that the structural distribution of the whole system is simplified.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

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

FIG. 2 is a schematic diagram of the whole structure of the present utility model;

FIG. 3 is a cross-sectional view of the hot air system of the present utility model;

FIG. 4 is a cross-sectional view of the loading system and dehumidification system of the present disclosure;

fig. 5 is a plan sectional view of the dehumidification system of the present utility model.

In the figure: drying tower 1, air blower 2, heat exchanger 3, air-supply line 4, air exhauster 5, exhaust column 6, conveyer belt 7, transfer box 8, feeding channel 9, transfer box 10, discharge gate 11, rotating electrical machines 12, inner tube 13, air-out spray tube 14, sleeve 15, air inlet 16, spiral feeding mechanism 17, roof 18, hole 19.

Detailed Description

As shown in fig. 1 and 2, a grain drying system comprises a drying tower 1, a transfer box 8, a dehumidifying system and a hot air system, wherein the transfer box 8 is arranged outside the drying tower 1, the bottom of the drying tower 1 is connected with the bottom of the transfer box 8 through a conveyor belt 7, a feeding system is arranged at the axle center of the drying tower 1, and the top of the feeding system is connected with the top of the transfer box 8 through a feeding channel 9; the drying tower 1 is of a double-layer structure, the middle interlayer of the drying tower 1 is communicated with a hot air system, and the feeding system is communicated with a dehumidification system;

during operation of the device, grains to be dried are input into the drying tower through the feeding system, heated air is input into the middle interlayer of the drying tower 1 through the hot air system, and the heated air is uniformly introduced into the drying tower 1 to dry the grains, and in the drying process of the grains, the gas with moisture is pumped out through the dehumidifying system and is discharged in time.

The preferable scheme is as shown in fig. 3 and 4, and the feeding system comprises an inner cylinder 14, a conversion box 10, a rotating motor 12 and a spiral feeding mechanism 17; the inner cylinder 14 is vertically arranged in the drying tower 1 and is coaxial with the drying tower 1, a spiral feeding mechanism 17 is arranged in the inner cylinder 14, a conversion box 10 is arranged at the top of the inner cylinder 14, and a rotating motor 12 is arranged at the top of the conversion box 10 and is connected with the spiral feeding mechanism 17;

when the device works, the rotating motor 12 drives the spiral feeding mechanism 17 to rotate, grains are lifted into the conversion box 10, and the grains are injected into the drying tower 1 or the feeding channel 9 below through the conversion box 10.

The preferred scheme is as shown in fig. 2 and 3, two sides of the conversion box 10 are provided with discharge holes 11, the other side of the conversion box 10 is communicated with the feeding channel 9, and a conversion gate is arranged in the conversion box 10 and controls the opening and closing of the discharge holes 11 and the feeding channel 9.

The preferred scheme is as shown in fig. 1 and 5, dehumidification system includes sleeve pipe 15, exhaust column 6 and air exhauster 5, sleeve pipe 15 cup joints in the outside of inner tube 14 and coaxial with inner tube 14, sleeve pipe 15 constitutes the intermediate layer with the outer wall of inner tube 14, and air exhauster 5 is connected to the one end of exhaust column 6, and the intermediate layer of sleeve pipe 15 and inner tube 14 outer wall is linked to the other end of exhaust column 6, and a plurality of air inlets 16 have been offered to the last equidistance of sleeve pipe 15, air inlet 16 department is provided with the filter screen, can effectively prevent cereal from entering into the intermediate layer inside and blocking up the device, and the device is at the stoving in-process, and exhaust column 6 can start and take out the moist air in the drying tower 1, and the inside temperature of drying tower 1 is controlled simultaneously, prevents to grind to appear the crazing and exploding the waist phenomenon, has effectively promoted the stoving effect of device.

The preferable scheme is as shown in fig. 1 and 3, the hot air system comprises an air inlet pipe 4, a heat exchanger 3 and a blower 2, one end of the air inlet pipe 4 is communicated with the middle interlayer of the drying tower 1, the other side of the air inlet pipe 4 is communicated with the blower 2, and the heat exchanger 3 is arranged on the air inlet pipe 4; the inner wall of the drying tower 1 is symmetrically provided with air outlet spray pipes 14 in a ring shape, the air outlet spray pipes 14 are provided with multiple layers and are distributed at equal intervals, and an air inlet of each air outlet spray pipe 14 is communicated with an interlayer in the middle of the drying tower 1;

air is injected into an inner wall interlayer of the drying tower 1 after being heated by the heat exchanger 3, and finally is uniformly introduced into the drying tower 1 through the air outlet spray pipe 14, so that the heating uniformity of grains in the drying process is effectively improved.

The top of the drying tower 1 is provided with a top plate 18, holes 19 are formed in the top plate 18, and the top plate 18 can effectively prevent sundries such as dust from falling into the drying tower 1, as shown in fig. 1.

The operating principle of the device is as follows:

1. firstly, placing grains to be dried in a transfer box 8, and conveying the grains to the bottom of a drying tower 1 through a conveying belt 7;

2. starting the rotating motor 1 and driving the spiral feeding mechanism 17 to rotate, and lifting the grains into the conversion box 10 by the spiral feeding mechanism 17;

3. the switching box 10 controls the gate of the discharge hole 11 to be opened, controls the gate of the feeding channel 9 to be closed, and grains in the switching box 10 fall into the drying tower 1 below through the discharge hole 11;

4. the blower 2 is started, air is input into the interlayer of the drying tower 1 through the air inlet pipe 4, and the air is heated when passing through the heat exchanger 3;

5. in the grain processing process, the wet air in the drying tower 1 can be timely pumped out by starting the exhaust fan 5, the temperature in the drying tower 1 is effectively controlled, and the drying efficiency and quality of the grains are improved;

6. the heated air is uniformly introduced into the drying tower 1 through the air outlet spray pipe 14, so that grains in the tower can be uniformly dried and heated;

7. after the grains are dried, the rotating motor 1 is started again and drives the spiral feeding mechanism 17 to rotate, and the grains are lifted into the conversion box 10 through the spiral feeding mechanism 17 again;

8. the switching box 10 controls the gate of the discharge hole 11 to be closed, controls the gate of the feeding channel 9 to be opened, and the grains in the switching box 10 are conveyed into the switching box 8 through the feeding channel 9.

The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.

Claims

1. The utility model provides a cereal drying system, includes drying tower (1), transfer case (8), dehumidification system and hot air system, its characterized in that: the outside of the drying tower (1) is provided with a transfer box (8), the bottom of the drying tower (1) is connected with the bottom of the transfer box (8) through a conveyor belt (7), the axle center of the drying tower (1) is provided with a feeding system, and the top of the feeding system is connected with the top of the transfer box (8) through a feeding channel (9); the drying tower (1) is of a double-layer structure, the middle interlayer of the drying tower (1) is communicated with a hot air system, and the feeding system is communicated with a dehumidification system.

2. A grain drying system according to claim 1, wherein: the feeding system comprises an inner cylinder (13), a conversion box (10), a rotating motor (12) and a spiral feeding mechanism (17); the inner cylinder (13) is vertically arranged in the drying tower (1) and is coaxial with the drying tower (1), a spiral feeding mechanism (17) is arranged in the inner cylinder (13), a conversion box (10) is arranged at the top of the inner cylinder (13), and a rotating motor (12) is arranged at the top of the conversion box (10) and connected with the spiral feeding mechanism (17).

3. A grain drying system according to claim 2, wherein: the two sides of the conversion box (10) are provided with discharge ports (11), the other side of the conversion box (10) is communicated with the feeding channel (9), and a conversion gate is arranged in the conversion box (10) and used for controlling the opening and closing of the discharge ports (11) and the feeding channel (9).

4. A grain drying system according to claim 2, wherein: the dehumidifying system comprises a sleeve (15), an exhaust tube (6) and an exhaust fan (5), wherein the sleeve (15) is sleeved on the outer side of the inner cylinder (13) and is coaxial with the inner cylinder (13), the sleeve (15) and the outer wall of the inner cylinder (13) form an interlayer, one end of the exhaust tube (6) is connected with the exhaust fan (5), and the other end of the exhaust tube (6) is communicated with the sleeve (15) and the interlayer of the outer wall of the inner cylinder (13).

5. The grain drying system of claim 4, wherein: a plurality of air inlets (16) are formed in the upper part of the sleeve (15) at equal intervals, and a filter screen is arranged at the air inlet (16).

6. A grain drying system according to claim 1, wherein: the hot air system comprises an air inlet pipe (4), a heat exchanger (3) and a blower (2), one end of the air inlet pipe (4) is communicated with the middle interlayer of the drying tower (1), the other side of the air inlet pipe (4) is communicated with the blower (2), and the heat exchanger (3) is arranged on the air inlet pipe (4).

7. A grain drying system according to claim 1, wherein: the inner wall of the drying tower (1) is symmetrically provided with air outlet spray pipes (14) in an annular mode, the air outlet spray pipes (14) are arranged in multiple layers and distributed at equal intervals, and an air inlet of each air outlet spray pipe (14) is communicated with an interlayer in the middle of the drying tower (1).

8. A grain drying system according to claim 1, wherein: the top of drying tower (1) sets up roof (18), offer hole (19) on roof (18).