CN107796199A - A kind of industrial automation roller drying device - Google Patents

Abstract

The invention relates to the technical field of drying equipment, in particular to an industrial automatic drum drying device, which includes a motor and a drying drum. A heat exchange device is arranged on the right side of the drying drum. The drying drum includes an outer cylinder and an inner cylinder. The outer cylinder and the inner cylinder are slidingly connected, the surface of the inner cylinder is provided with air holes, and the wall of the inner cylinder is fixed with a plurality of lifting plates, the inner cylinder is provided with a horizontally arranged rotating shaft, and the surface of the rotating shaft Helical blades are fixed, the bottom end of the drying drum is fixedly connected with a base, the end of the motor shaft is fixed with a reducer, the right end of the rotating shaft is fixedly connected with the right wall of the inner cylinder, and the left end of the rotating shaft runs through the left wall of the drying drum and is fixed. Connected to the output shaft of the reducer, the present invention can carry out airtight drying of granular materials, without dust flying, will not affect the processing environment, and the drying is thorough, the energy utilization rate is high, and the dry food particles will not be broken during the drying process , is worth promoting.

Description

An industrial automatic drum drying device

technical field

The invention relates to the technical field of drying equipment, in particular to an industrial automatic drum drying device.

Background technique

Drying equipment, also known as dryers and dryers, is equipment used for drying operations. The moisture in the material (generally refers to moisture or other volatile liquid components) is vaporized and escaped by heating to obtain a solid with a specified moisture content. For materials, the purpose of drying is to meet the needs of material use or further processing. In addition, the dried materials are also convenient for transportation and storage. For example, drying the harvested grains below a certain moisture content to prevent mildew, because natural drying is far from meeting the needs of production. In order to meet the needs of development, various mechanized dryers are more and more widely used, so the demand for drying equipment is increasing.

The traditional drying treatment of wet granular materials is generally to place the materials on a drying plate, and then heat them under the drying plate through electric heating wires to make them take away the moisture of the materials to achieve the purpose of drying, but the static parts of the materials Heating and uneven air flow lead to slow drying of materials, insufficient drying, and low energy utilization, resulting in energy waste, and the traditional heating method is unstable due to temperature control, direct contact between materials and heat sources can deliberately lead to shelf life of food materials shorten or even deteriorate, therefore, an industrial automatic drum drying device is proposed to address the above problems.

Contents of the invention

The object of the present invention is to provide an industrial automatic drum drying device to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the present invention provides the following technical solutions:

An industrial automatic drum drying device, including a motor and a drying drum, a heat exchange device is provided on the right side of the drying drum, and the heat exchange device includes an air inlet, an air outlet, a heat exchange tube and a cooling fin, and the drying drum It includes an outer cylinder and an inner cylinder, the outer cylinder and the inner cylinder are slidably connected, the surface of the inner cylinder is provided with air holes, and the wall of the inner cylinder is fixed with a plurality of lifting plates, and the inside of the inner cylinder There is a rotating shaft arranged horizontally, and the surface of the rotating shaft is fixedly provided with helical blades. The two ends of the drying drum are closed, and the upper left end of the drying drum is fixedly connected with a material inlet, and the lower right end of the drying drum is fixedly connected with a discharge port. There is a conveyor belt below the mouth, the bottom end of the drying drum is fixedly connected with a base, the bottom end of the motor is fixedly connected with a fixed frame, the end of the motor shaft is fixed with a reducer, and the right end of the rotating shaft is fixed to the right wall of the inner cylinder. connected, and the left end of the rotating shaft runs through the left wall of the drying cylinder and is fixedly connected to the output shaft of the reducer. The inlet is fixed on the left side of the bottom of the outer cylinder, and the outlet is fixed on the right side of the top of the outer cylinder. The inlet and outlet A lower pipeline and an upper pipeline are respectively fixedly connected, and the right ends of the lower pipeline and the upper pipeline are respectively fixedly connected with an air outlet and an air inlet.

Preferably, there are two bases, and the bases are arranged symmetrically at the bottom of the drying drum.

Preferably, the flight board is curved and arc-shaped, and the bending direction of the flight board is consistent with the rotation direction of the inner cylinder.

Preferably, there are several lifting boards.

Preferably, the inlet and outlet pass through the outer wall of the outer cylinder.

Compared with prior art, the beneficial effect of the present invention is:

1. In the present invention, the spiral blade and lifting plate can be used to pick up and throw the material while the inner cylinder rotates slowly, so that the material is heated evenly and dried thoroughly;

2. In the present invention, the provided helical blades can not only turn over the wet material flow in the cylinder to make the heat evenly, but also push the material flow to the discharge port at the right end to realize automatic material discharge without additional operation;

3. In the present invention, the installed heat exchange device can use hot steam to heat the inner cylinder, heat and dry the material through the heat transfer of the inner cylinder, evaporate the water, and reduce the possibility of thermal deterioration of the material through indirect contact with the heat source ;

4. In the present invention, the hot steam cycle heating of the inner cylinder can be realized through the provided lower pipe and upper pipe, which reduces energy waste and improves the drying effect.

Description of drawings

Fig. 1 is the cross-sectional structure schematic diagram of the present invention;

Fig. 2 is a schematic diagram of a side sectional structure of a drying drum.

In the figure: 1-motor, 2-outer cylinder, 3-inner cylinder, 4-rotating shaft, 5-spiral blade, 6-inlet, 7-outlet, 8-copper, 9-base, 10 -reducer, 11-fixed frame, 12-lower pipe, 13-air outlet, 14-upper pipe, 15-air inlet, 16-heat exchange tube, 17-radiating fin, 18-inlet, 19-exit, 20 - drive belt, 21 - drying drum, a - air hole.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Referring to Fig. 1-2, the present invention provides a technical solution:

An industrial automatic drum drying device, comprising a motor 1 and a drying drum 21, a heat exchange device is provided on the right side of the drying drum 21, and the heat exchange device includes an air inlet 15, an air outlet 13, a heat exchange tube 16 and a heat dissipation device. Sheet 17, the drying drum 21 includes an outer cylinder 2 and an inner cylinder 3, the outer cylinder 2 and the inner cylinder 3 are slidingly connected, the surface of the inner cylinder 3 is provided with air holes a, and the inner cylinder 3 The cylinder wall is fixed with a plurality of lifting plates 8, and the inner cylinder 3 is provided with a horizontally arranged rotating shaft 4, and the surface of the rotating shaft 4 is fixedly provided with helical blades 5, and the two ends of the drying drum 21 are closed, and the drying drum 21 A feed port 6 is fixedly connected above the left end, a discharge port 7 is fixedly connected below the right end, a conveyor belt 20 is provided below the discharge port 7, a base 9 is fixedly connected to the bottom of the drying drum 21, and a base 9 is fixedly connected to the motor 1 The bottom end is fixedly connected with a fixed frame 11, the end of the main shaft of the motor 1 is fixedly provided with a reducer 10, the right end of the rotating shaft 4 is fixedly connected with the right wall of the inner cylinder body 3, and the left end of the rotating shaft 4 runs through the left wall of the drying cylinder 21 and is fixedly connected to the The output shaft of the reducer 10, the inlet 18 is fixed on the left side of the bottom of the outer cylinder 2, and the outlet 19 is fixed on the right side of the top of the outer cylinder 2, and the inlet 18 and the outlet 19 are respectively fixedly connected with the lower pipe 12 and upper pipeline 14, and lower pipeline 12 and upper pipeline 14 right ends are fixedly connected with air outlet 13, air inlet 15 respectively.

The number of the base 9 is two, and the base 9 is symmetrically arranged at the bottom of the drying drum 21, which is conducive to the stability of the whole device. 3 have the same rotation direction, which is convenient for picking up and throwing the materials. The number of the lifting plates 8 is 25, which is conducive to completely drying the materials. The inlet 18 and the outlet 19 penetrate the outer wall of the outer cylinder 2, which is convenient for introducing hot steam Inner cylinder 3.

Working process: Start the motor 1, the motor 1 reduces the speed through the reducer 10, the motor 1 drives the inner cylinder 3 and the rotating shaft 4 to rotate slowly, and the materials in the cylinder are turned over, and at the same time, the lifting plate 8 on the inner wall of the inner cylinder 3 can be wet The material is picked up and thrown to make the material fully contact with the hot steam. During the turning process, the spiral blade 5 slowly pushes the material to the discharge port 7. After the final drying is completed, it is transferred to the next step by the conveyor belt 20. During the drying process, the heat exchange device The hot steam is introduced into the drying drum 21 through the lower pipe 12, and the air hole a is set to ensure that the hot steam enters the inner cylinder and the material will not leak out. Finally, the heated steam enters the heat exchange tube 16 through the upper pipe 14 for heat exchange, ensuring heat circulation. use.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (5)

1. An industrial automatic drum drying device, comprising a motor (1) and a drying drum (21), characterized in that: the right side of the drying drum (21) is provided with a heat exchange device, and the heat exchange device includes an air inlet (15), air outlet (13), heat exchange tube (16) and cooling fin (17), described drying drum (21) comprises outer cylinder (2) and inner cylinder (3), and described outer cylinder (2) is slidingly connected with the inner cylinder (3), the surface of the inner cylinder (3) is provided with air holes (a), and the wall of the inner cylinder (3) is fixed with a plurality of lifting plates (8), so The inner cylinder (3) is provided with a horizontally arranged rotating shaft (4), and the surface of the rotating shaft (4) is fixedly provided with helical blades (5), the two ends of the drying drum (21) are closed, and the drying drum (21) A feed inlet (6) is fixedly connected above the left end, a discharge outlet (7) is fixedly connected below the right end, a conveyor belt (20) is arranged below the discharge outlet (7), and the bottom of the drying drum (21) A base (9) is fixedly connected, a fixed frame (11) is fixedly connected to the bottom end of the motor (1), a speed reducer (10) is fixed at the end of the main shaft of the motor (1), and the right end of the rotating shaft (4) is connected to the The right wall of the inner cylinder (3) is fixedly connected, and the left end of the rotating shaft (4) runs through the left wall of the drying cylinder (21) and is fixedly connected to the output shaft of the reducer (10). There is an inlet (18), and an outlet (19) is fixedly arranged on the right side of the top of the outer cylinder (2), and the inlet (18) and the outlet (19) are fixedly connected with a lower pipe (12) and an upper pipe (14) respectively. ), and the lower pipeline (12) and the right end of the upper pipeline (14) are fixedly connected with the air outlet (13) and the air inlet (15) respectively. 2. An industrial automatic drum drying device according to claim 1, characterized in that: the number of the bases (9) is two, and the bases (9) are arranged symmetrically at the bottom of the drying drum (21). 3. A kind of industrial automatic drum drying device according to claim 1, characterized in that: the flight board (8) is curved arc, and the bending direction of the flight board (8) and the inner cylinder (3) same direction of rotation. 4. An industrial automatic drum drying device according to claim 1, characterized in that: there are several lifting plates (8). 5. The industrial automatic drum drying device according to claim 1, characterized in that: the inlet (18) and the outlet (19) pass through the outer wall of the outer cylinder (2).