Drying device for bio-based plastic production

Abstract

The utility model discloses a drying device for bio-based plastic production, which comprises a drying box, a mounting seat is fixedly connected in the drying box, a rotary drum is rotatably connected in the mounting seat, the back surface of the rotary drum is rotatably connected in the drying box, an air blower is mounted on the upper end surface of the drying box, and an air outlet is formed in the lower end surface of the drying box. An air blower is installed at the air inlet end of the drying box, an air outlet pipe is installed at the air outlet end of the air blower, one end of the air outlet pipe penetrates through the side wall of the drying box and is fixedly connected with an air outlet hopper, and a hot air cover is fixedly connected to the back face of the drying box. According to the bio-based plastic drying device, the bio-based plastic drying effect is improved, the bio-based plastic drying time is shortened, the bio-based plastic drying work efficiency is improved, the bio-based plastic is fully dried, and the bio-based plastic drying qualification rate is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of bio-based plastics, in particular to a drying device for producing bio-based plastics. Background Art

[0002] Patent No. CN206264191U discloses a water-cooled drying device for starch-based bio-based plastics. The utility model has a reasonable structural design. After the bio-based molten material is extruded through the die head, it is rapidly cooled by high-pressure cooling water, and at the same time, it is cut into granules by a high-speed blade. The granules are brought out by high-pressure water and enter the screen for water-material separation. The material is transported to a boiling airflow drying cooling tower through airflow. The material enters from the top of the tower, and the cold air enters from the bottom of the tower. The material passes through multi-stage porous tower plates, is fully dispersed and cooled, and falls freely to the bottom of the tower and discharged to achieve the purpose of cooling and drying. The utility model adopts a combination of water cooling and air cooling to achieve uniform granulation, reduce the moisture in the granules, and improve production efficiency and yield rate.

[0003] However, in the above-mentioned existing starch-based bio-based plastic water-cooling drying device, during the entire drying process, the granular raw materials are fed and unloaded too quickly, causing the raw material particles to stay for too long, so that the bio-based plastic is not fully dried, affecting the drying qualification rate of the bio-based plastic.

[0004] In order to solve the above problems, the utility model provides a drying device for producing bio-based plastics. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a drying device for the production of bio-based plastics to solve the technical problem in the prior art that "during the entire drying process, the granular raw materials are fed and unloaded too quickly, causing the raw material particles to stay for too long, resulting in insufficient drying of the bio-based plastics, affecting the drying pass rate of the bio-based plastics."

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a drying device for bio-based plastic production, comprising a drying box, a mounting seat is fixedly connected inside the drying box, a rotating drum is rotatably connected inside the mounting seat, the back side of the rotating drum is rotatably connected inside the drying box, a blower is installed on the upper end surface of the drying box, an air outlet pipe is installed on the air outlet end of the blower, one end of the air outlet pipe passes through the side wall of the drying box and is fixedly connected to an air outlet hopper, a hot air hood is fixedly connected to the back side of the drying box, a servo motor is arranged inside the hot air hood, the servo motor is installed on the back side of the drying box, and the output end of the servo motor passes through the side wall of the drying box and is installed on the back side of the rotating drum.

[0007] As a preferred technical solution of the utility model, an air inlet pipe is installed at the air suction end of the blower, one end of the air inlet pipe passes through the side wall of the hot air hood and extends into the hot air hood, and an air inlet is opened on the back of the hot air hood.

[0008] As a preferred technical solution of the utility model, a cover plate is installed on the front of the rotating drum, and the cover plate and the side wall of the rotating drum are fixedly connected with connecting blocks. Threaded holes are opened at the centers of the two connecting blocks, and bolts are threadedly connected in the two threaded holes.

[0009] As a preferred technical solution of the utility model, the front of the drying box is hinged with two hinges, one side of the two hinges is commonly fixedly connected to a door panel, and the front of the door panel is fixedly connected to a handle.

[0010] As a preferred technical solution of the utility model, an air outlet is opened on the front side of the door panel, and a leakage net is fixedly connected inside the air outlet.

[0011] As a preferred technical solution of the utility model, four support columns are fixedly connected to the lower end surface of the drying box, four hydraulic rods are fixedly connected to the lower end surface of the drying box, and universal wheels are installed at the telescopic ends of the four hydraulic rods.

[0012] The utility model provides a drying device for bio-based plastic production, which has the following beneficial effects:

[0013] 1. This device sets a rotating drum, starts a servo motor and a blower, and performs a drying method combining rotation centrifugation and air circulation on the bio-based plastic, thereby increasing the drying effect of the bio-based plastic, reducing the time required for drying the bio-based plastic, and increasing the working efficiency of the bio-based plastic drying, so that the bio-based plastic can be fully dried and the drying qualified rate of the bio-based plastic can be improved.

[0014] 2. By setting up an air inlet duct, the heat generated by the servo motor when it is working is collected to heat the air flow in the device, reducing energy waste, increasing the utilization rate of electrical energy, and saving energy and protecting the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a drying device for bio-based plastic production proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of a drying device for bio-based plastic production proposed by the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of a drying device for bio-based plastic production proposed by the utility model;

[0018] Figure 4This is a schematic structural diagram of a drying device for bio-based plastic production proposed by the utility model.

[0019] In the figure: 1 drying box, 2 hinge, 3 door panel, 4 handle, 5 air outlet, 6 drum, 7 mounting base, 8 cover plate, 9 blower, 10 air inlet pipe, 11 air outlet pipe, 12 hydraulic rod, 13 universal wheel, 14 support column, 15 servo motor. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0021] refer to Figure 1-4 The utility model provides a technical solution: a drying device for bio-based plastic production, including a drying box 1, a mounting seat 7 is fixedly connected in the drying box 1, a rotating drum 6 is rotatably connected in the mounting seat 7, the back of the rotating drum 6 is rotatably connected in the drying box 1, a blower 9 is installed on the upper end surface of the drying box 1, an air outlet pipe 11 is installed at the air outlet end of the blower 9, one end of the air outlet pipe 11 penetrates the side wall of the drying box 1 and is fixedly connected to an air outlet hopper, a hot air hood is fixedly connected to the back of the drying box 1, a servo motor 15 is arranged in the hot air hood, the servo motor 15 is installed on the back of the drying box 1, and the output end of the servo motor 15 penetrates the side wall of the drying box 1 and is installed on the back of the rotating drum 6.

[0022] An air inlet pipe 10 is installed at the air suction end of the blower 9. One end of the air inlet pipe 10 penetrates the side wall of the hot air hood and extends into the hot air hood. An air inlet is opened on the back of the hot air hood.

[0023] A cover plate 8 is installed on the front of the drum 6, and connecting blocks are fixedly connected to the cover plate 8 and the side wall of the drum 6. Threaded holes are opened at the centers of the two connecting blocks, and bolts are threadedly connected in the two threaded holes.

[0024] The front of the drying box 1 is hinged with two hinges 2, one side of the two hinges 2 is fixedly connected to a door panel 3, and the front of the door panel 3 is fixedly connected to a handle 4.

[0025] An air outlet 5 is provided on the front of the door panel 3 , and a leakage net is fixedly connected inside the air outlet 5 .

[0026] Among them, four support columns 14 are fixedly connected to the lower end surface of the drying box 1 , and four hydraulic rods 12 are fixedly connected to the lower end surface of the drying box 1 . Universal wheels 13 are installed at the telescopic ends of the four hydraulic rods 12 .

[0027] The working principle of the utility model is as follows: the staff puts the bio-based plastic to be dried into the conical drum 6, closes the cover plate 8, connects the cover plate 8 and the drum 6 by bolts, then closes the door panel 3, starts the servo motor 15, and the servo motor 15 rotates to drive the drum 6 to rotate. The drum 6 rotates to centrifugally dry the bio-based plastic, and starts the blower 9 at the same time. The blower 9 sucks air through the air inlet pipe 10, and the cold air enters through the air inlet of the hot air hood, contacts the servo motor 15 to absorb the heat generated when it rotates, and the hot air enters the air outlet pipe 11 and blows on the surface of the drum 6 from the air outlet hopper, thereby drying the bio-based plastic, and the air with water vapor flows out of the device from the air outlet 5 until the bio-based plastic is dried. The device increases the drying effect of the bio-based plastic by combining the rotation centrifugal and air circulation drying method for the bio-based plastic, reduces the time required for drying the bio-based plastic, increases the working efficiency of the bio-based plastic drying, enables the bio-based plastic to be fully dried, and improves the drying qualified rate of the bio-based plastic.

[0028] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and utility model concept of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model.

Claims

1. A drying device for bio-based plastic production, comprising a drying oven (1), characterized in that: A mounting seat (7) is fixedly connected inside the drying box (1), a rotating drum (6) is rotatably connected inside the mounting seat (7), the back side of the rotating drum (6) is rotatably connected inside the drying box (1), a blower (9) is installed on the upper end surface of the drying box (1), an air outlet pipe (11) is installed at the air outlet end of the blower (9), one end of the air outlet pipe (11) passes through the side wall of the drying box (1) and is fixedly connected to an air outlet hopper, a hot air hood is fixedly connected to the back side of the drying box (1), a servo motor (15) is arranged inside the hot air hood, the servo motor (15) is installed on the back side of the drying box (1), and the output end of the servo motor (15) passes through the side wall of the drying box (1) and is installed on the back side of the rotating drum (6).

2. A drying device for bio-based plastic production according to claim 1, characterized in that: An air inlet pipe (10) is installed at the air suction end of the blower (9), one end of the air inlet pipe (10) penetrates the side wall of the hot air hood and extends into the hot air hood, and an air inlet is opened on the back side of the hot air hood.

3. A drying device for bio-based plastic production according to claim 1, characterized in that: A cover plate (8) is installed on the front of the rotating drum (6), and the cover plate (8) and the side wall of the rotating drum (6) are fixedly connected with connecting blocks, and threaded holes are opened at the centers of the two connecting blocks, and bolts are threadedly connected in the two threaded holes.

4. A drying device for producing bio-based plastics according to claim 1, characterized in that: The front of the drying box (1) is hinged with two hinges (2), one side of the two hinges (2) is fixedly connected to a door panel (3), and the front of the door panel (3) is fixedly connected to a handle (4).

5. A drying device for bio-based plastic production according to claim 4, characterized in that: An air outlet (5) is provided on the front side of the door panel (3), and a leakage net is fixedly connected inside the air outlet (5).

6. A drying device for producing bio-based plastics according to claim 1, characterized in that: Four support columns (14) are fixedly connected to the lower end surface of the drying box (1), and four hydraulic rods (12) are fixedly connected to the lower end surface of the drying box (1), and universal wheels (13) are installed at the telescopic ends of the four hydraulic rods (12).

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