Grain drying device

Abstract

The utility model relates to the technical field of grain drying, and discloses a grain drying device which comprises a drying bin, an installation frame is fixedly connected to the outer surface of the drying bin, an air heater is installed on the upper surface of the installation frame, the output end of the air heater is communicated with a hot air pipe, and a drying mechanism is rotationally connected to the interior of the drying bin through a bearing. A driving motor is installed on the upper surface of the drying bin, the output end of the driving motor is connected with the top end of the drying mechanism, and a steam cavity and a drying cavity are formed in the drying bin. A unique drying mechanism design is adopted, a three-dimensional hot air circulation network is formed through the rotating pipe and the stirring pipe, drying holes are evenly distributed, it is ensured that hot air permeates a grain layer in all directions, the material stirring plate rotates along with the rotating pipe, materials are continuously turned over, and accumulation and caking are prevented; heat energy gradient utilization is achieved, exhaust holes are evenly distributed, and the grain drying quality and efficiency are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of grain drying, particularly relates to a grain drying device. BACKGROUND

[0002] Grain is an essential food in our life, and it is necessary to dry the grain in the processing process to avoid mildew during transportation and storage. Grain drying is a key link in post-production processing of grain, which directly affects the storage safety and quality of grain. With the acceleration of China's agricultural modernization process and the increasing demand for large-scale grain production, traditional natural drying methods have been difficult to meet the requirements of modern agricultural production, and mechanized drying technology has become an important support for national food security.

[0003] According to the grain drying device of Chinese patent number CN206371404U, the grain drying device is composed of a drying tank and a feeding device, the feeding device is provided with a pressure sensor, the top of the drying tank is provided with a feeding port, the feeding port is connected with the feeding device, and a movable baffle is arranged at the connection, and the pressure sensor controls the opening and closing of the movable baffle; the bottom of the drying tank is provided with a discharging port; characterized in that: the drying tank is composed of a shell, an inner container, a stirring motor and a stirring paddle, the inner container is located in the shell, the stirring motor is installed above the shell, and the stirring paddle below the stirring motor extends into the inner container; the top of the shell is provided with a steam inlet, and the bottom is provided with a steam outlet.

[0004] Although the above-mentioned patent scheme automatically feeds through the feeding device, fills in steam to heat the inner container, and accelerates drying through the stirring paddle driven by the stirring motor, in actual application, the grain in the drying tank body is accumulated and not easy to fully contact with hot air, which leads to uneven drying of the grain in the drying tank, thereby affecting the drying quality of the grain. Therefore, we propose a grain drying device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a grain drying device to solve the problem of uneven drying of the grain in the drying tank in the actual application, which leads to uneven drying of the grain in the drying tank, thereby affecting the drying quality of the grain.

[0006] To achieve the above object, the utility model provides the following technical scheme: a grain drying device, including drying storehouse, the outer surface fixedly connected with mounting bracket of drying storehouse, the upper surface of mounting bracket is installed heat -generating fan, the output of heat -generating fan is linked with hot -blast pipe, the inside of drying storehouse is rotatably connected with drying mechanism through bearing, the upper surface of drying storehouse is installed drive motor, the output of drive motor is connected with the top of drying mechanism, the inside of drying storehouse is equipped with steam cavity and drying cavity, the outer surface of drying cavity is opened with a plurality of exhaust holes, the outer surface fixedly linked with exhaust pipe of steam cavity, the outer surface fixedly linked with feeding mechanism of drying storehouse.

[0007] As a preferred scheme, the feeding mechanism includes a screw conveyor, the outer surface of the bottom end of the screw conveyor is connected with a hopper, the hopper is in communication with the screw conveyor, the outer surface of the top end of the screw conveyor is fixedly connected with a connecting pipe, one end of the connecting pipe is in communication with the drying cavity.

[0008] As a preferred scheme, the drying mechanism includes a rotating pipe, the outer surface of the rotating pipe is fixedly connected with a plurality of stirring pipes, the outer surface of the rotating pipe and the outer surface of the stirring pipes are both provided with drying holes, the outer surface of the bottom end of the rotating pipe is fixedly connected with a material pushing plate, one end of the hot air pipe is sleeved in the inside of the rotating pipe.

[0009] As a preferred scheme, the bottom surface of the drying storehouse is fixedly connected with two groups of supporting legs, the bottom surface of the drying storehouse is communicated with a discharging valve.

[0010] As a preferred scheme, one side of the mounting bracket is provided with a controller, the controller is electrically connected with the drive motor, the screw conveyor and the heat-generating fan through wires.

[0011] As a preferred scheme, the outer surface of the drying storehouse is sleeved with a heat preservation sleeve.

[0012] The utility model discloses a technical effect and advantage:

[0013] The utility model discloses a unique drying mechanism design, through rotating pipe and stirring pipe form three -dimensional hot -blast circulation network, drying hole even distribution, ensure that hot air all -round penetration grain layer, material pushing plate rotates with rotating pipe, continuously turn over material, prevent the accumulation and the agglomeration, the double -deck structure design of steam cavity and drying cavity, realize the step -by -step utilization of heat energy exhaust hole even distribution, ensure that hot air evenly spreads, heat preservation sleeve effectively reduces the heat loss, improves the thermal efficiency, effectively solved the uneven of grain drying in the prior art, the problem of low thermal efficiency, remarkablely improved the grain drying quality and efficiency. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the schematic view of the three -dimensional structure of the utility model.

[0015] Figure 2 It is the front view structure schematic diagram of the drying bin in the utility model.

[0016] Figure 3 It is the connection structure schematic diagram of the drying mechanism and the hot air pipe in the utility model.

[0017] Figure 4 It is the plan view of the drying structure in the utility model.

[0018] In the drawing: 1, drying bin; 101, steam cavity; 102, exhaust hole; 103, drying cavity; 104, exhaust pipe; 2, heat preservation sleeve; 3, hot air machine; 4, controller; 5, mounting bracket; 6, drive motor; 7, feeding mechanism; 701, spiral conveyor; 702, connecting pipe; 703, bin; 8, supporting leg; 9, drying mechanism; 901, rotating pipe; 902, raking plate; 903, stirring pipe; 904, drying hole; 10, discharge valve; 11, hot air pipe; 12, bearing. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] The utility model provides a kind of grain drying device as Figures 1-4 shown in the drawing, including drying bin 1, the outer surface of drying bin 1 is fixedly connected with mounting bracket 5, the upper surface of mounting bracket 5 is installed with hot air machine 3, the output end of hot air machine 3 is communicated with hot air pipe 11, the inside of drying bin 1 is rotatably connected with drying mechanism 9 by bearing 12, drying mechanism 9 includes rotating pipe 901, the outer surface of rotating pipe 901 is fixedly communicated with multiple stirring pipes 903, the outer surface of rotating pipe 901 and the outer surface of stirring pipe 903 are all provided with drying hole 904, the outer surface of the bottom end of rotating pipe 901 is fixedly connected with raking plate 902, one end of hot air pipe 11 is sleeved in the inside of rotating pipe 901, rotating pipe 901 and hot air pipe 11 are rotatably arranged, hot air pipe 11 is fixed, rotating pipe 901 rotates under the cooperation of two bearings 12, stirring pipe 903 and raking plate 902 are rotated by rotating pipe 901, form three-dimensional hot air circulation network, so that hot air penetrates grain layer in all directions.

[0021] In this embodiment, the upper surface of the drying bin 1 is provided with a driving motor 6, the output end of the driving motor 6 is connected with the top end of the drying mechanism 9, the inside of the drying bin 1 is provided with a steam cavity 101 and a drying cavity 103, the outer surface of the drying cavity 103 is provided with a plurality of exhaust holes 102, the outer surface of the steam cavity 101 is fixedly connected with an exhaust pipe 104, the outer surface of the drying bin 1 is sleeved with a heat preservation sleeve 2, the driving motor 6 drives the drying mechanism 9 to stir and dry the grains, the hot steam generated in the drying process enters the steam cavity 101 through the exhaust holes 102, the steam cavity 101 further insulates the drying cavity 103 by using the steam generated in the drying process, thereby improving the drying effect and reducing heat damage.

[0022] In this embodiment, the outer surface of the drying bin 1 is fixedly connected with a feeding mechanism 7, the feeding mechanism 7 comprises a screw conveyor 701, the outer surface of the bottom end of the screw conveyor 701 is connected with a hopper 703, the hopper 703 is connected with the screw conveyor 701, the outer surface of the top end of the screw conveyor 701 is fixedly connected with a connecting pipe 702, one end of the connecting pipe 702 is connected with the drying cavity 103, by pouring the grains into the hopper 703, the screw conveyor 701 is started to lift and convey the grains in the hopper 703, the lifted and conveyed grains enter the drying cavity 103 under the cooperation of the connecting pipe 702.

[0023] In this embodiment, the bottom surface of the drying bin 1 is fixedly connected with two groups of supporting legs 8, the bottom surface of the drying bin 1 is connected with a discharging valve 10, the supporting legs 8 facilitate supporting the drying device, the discharging valve 10 facilitates controlling the discharging of the drying device, one side surface of the mounting frame 5 is provided with a controller 4, the controller 4 is electrically connected with the driving motor 6, the screw conveyor 701 and the hot air blower 3 through wires, the screw conveyor 701 and the hot air blower 3 in the device are both existing known technologies and are widely used in daily life, so the working principles thereof will not be described herein.

[0024] The utility model discloses a kind of grain drying devices, when using, first, the drying device is installed in use position, the power supply of drying device is connected, the grain needing drying is conveyed to the inside in drying bin 1 by feeding mechanism 7, the drying device is started, hot air is sent into drying cavity 103 by hot air blower 3 cooperation hot air pipe 11, hot air is penetrated grain layer in all directions under the cooperation of drying mechanism 9, hot steam generated in the drying process enters steam cavity 101 by exhaust hole 102, steam cavity 101 further insulates drying cavity 103 by using the steam generated in the drying process, thereby improving the drying effect, reducing heat damage.

[0025] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A grain drying device, comprising a drying chamber (1), characterized in that: The drying chamber (1) is fixedly connected to the outer surface of the mounting frame (5). A hot air blower (3) is installed on the upper surface of the mounting frame (5). The output end of the hot air blower (3) is connected to a hot air pipe (11). The drying chamber (1) is rotatably connected to a drying mechanism (9) through a bearing (12). A drive motor (6) is installed on the upper surface of the drying chamber (1). The output end of the drive motor (6) is connected to the top of the drying mechanism (9). The drying chamber (1) is provided with a steam cavity (101) and a drying cavity (103). The outer surface of the drying cavity (103) is provided with multiple exhaust holes (102). The outer surface of the steam cavity (101) is fixedly connected to an exhaust pipe (104). The outer surface of the drying chamber (1) is fixedly connected to a feeding mechanism (7).

2. The grain drying device according to claim 1, characterized in that: The feeding mechanism (7) includes a screw conveyor (701), a hopper (703) is connected to the outer surface of the bottom end of the screw conveyor (701), the hopper (703) is connected to the screw conveyor (701), and a connecting pipe (702) is fixedly connected to the outer surface of the top end of the screw conveyor (701), one end of the connecting pipe (702) is connected to the drying cavity (103).

3. The grain drying device according to claim 1, characterized in that: The drying mechanism (9) includes a rotating tube (901), and a plurality of stirring tubes (903) are fixedly connected to the outer surface of the rotating tube (901). Drying holes (904) are opened on the outer surface of the rotating tube (901) and the outer surface of the stirring tubes (903). A material feeding plate (902) is fixedly connected to the outer surface of the bottom end of the rotating tube (901). One end of the hot air pipe (11) is sleeved inside the rotating tube (901).

4. The grain drying device according to claim 1, characterized in that: The bottom surface of the drying chamber (1) is fixedly connected to two sets of support legs (8), and the bottom surface of the drying chamber (1) is connected to a discharge valve (10).

5. A grain drying device according to claim 1, characterized in that: A controller (4) is mounted on one side of the mounting bracket (5), and the controller (4) is electrically connected to the drive motor (6), the screw conveyor (701) and the hot air blower (3) via wires.

6. A grain drying device according to claim 1, characterized in that: The outer surface of the drying chamber (1) is covered with an insulation sleeve (2).

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