Plastic particle drying device

Abstract

The utility model provides a plastic particle drying device. The technical problems that an existing drying device is complex in structure and high in cost are solved. According to the technical scheme, the plastic particle drying device comprises a drying mechanism; the drying mechanism comprises a separation tank, an air blower and a feeding pipe for communicating an outlet of the air blower with an inlet of the separation tank; the feeding pipe is provided with a horizontal section, and a feeding branch pipe extending upwards is arranged on the horizontal section. The upper end opening of the feeding branch pipe forms a feeding opening; the separation tank comprises a cylinder section and a hollow circular truncated cone section which are sequentially connected from top to bottom; an inlet of the separation tank is formed in the upper part of the cylindrical section, and the direction of the inlet is tangent to the cylindrical section; the top of the separation tank is provided with an exhaust port and a cloth bag; and a discharge port is formed in the bottom of the separation tank. The utility model has the advantages of simple structure and low manufacturing cost, and is favorable for reducing the production cost and improving the product competitiveness.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic particle production and processing equipment, in particular to a plastic particle drying device. Background Art

[0002] A modified plastic produced by our company has a low density, is soft, and is easily broken in a molten state. Therefore, it is difficult to adopt the production method of first extruding a plastic strip, cooling the plastic strip by passing it through water, and then cutting it into plastic particles. Currently, the production method adopted by our company is to directly cut into plastic particles at the extrusion port, let the plastic particles fall into water for cooling, and then send the plastic particles out of the water. Using this production method, a large amount of moisture will remain on the surface of the plastic particles and drying treatment is required.

[0003] For the existing drying method of granular materials, generally, the materials are sent into a tunnel oven through a conveying mesh belt for drying; this drying system has a complex structure and a high cost, which will lead to an increase in production costs and further reduce the competitiveness of products. Summary of the Invention

[0004] The purpose of the utility model is to provide a plastic particle drying device, which has the advantages of simple structure and low cost, and is beneficial to reducing production costs and improving product competitiveness.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The plastic particle drying device includes: a drying mechanism; the drying mechanism includes: a separation tank, a blower, and a feeding pipe connecting the outlet of the blower and the inlet of the separation tank; the feeding pipe has a horizontal section, and a feeding branch pipe extending upward is provided on the horizontal section; the upper port of the feeding branch pipe constitutes a feeding port; the part of the horizontal section located upstream of the feeding branch pipe constitutes an air inlet section, and the part located downstream of the feeding branch pipe constitutes a mixing section; the blower is located upstream of the air inlet section, and the separation tank is located downstream of the mixing section; the separation tank includes: a cylindrical section and a hollow frustum section connected in sequence from top to bottom; the separation tank sets its inlet at the upper part of the cylindrical section, and the inlet direction is tangent to the cylindrical section; the separation tank is provided with an exhaust port at the top and a cloth bag is arranged; the separation tank is provided with a discharging port at the bottom.

[0007] Optionally, the air inlet section includes: an inlet section, a diversion section, and an outlet section connected in sequence along the air flow direction; the diversion section gradually converges downward along the air flow direction, so that the air flow enters the lower part of the mixing section horizontally from the outlet section.

[0008] Optionally, the upstream port of the air inlet section is connected to the outlet of the blower through a corrugated hose.

[0009] Optionally, an electric heating element is provided in the air inlet section.

[0010] Optionally, plastic films are wound around the connection between the feeding pipe and the separation tank, the connection between the feeding pipe and the corrugated hose, and the connection between the corrugated hose and the blower.

[0011] Optionally, multiple drying mechanisms are provided; the discharge port of the separation tank of the upstream drying mechanism is communicated with the feeding port of the feeding branch pipe of the downstream drying mechanism.

[0012] Optionally, for the drying mechanism located at the most upstream, a first valve and a second valve are successively arranged on the feeding branch pipe in the up-down direction.

[0013] The working principle of the present utility model is as follows: Let the blower blow air to form an air flow flowing from the blower towards the separation tank in the feeding pipe. The plastic particles are fed from the feeding port of the feeding branch pipe, and the water-carrying plastic particles will fall from the feeding branch pipe into the horizontal section; the plastic particles falling into the horizontal section will be blown into the mixing section by the air flow from the air inlet section and continue to be carried by the air flow along the feeding pipe to enter the separation tank; the plastic particles entering the separation tank will move along the circumferential direction of the separation tank and gradually decelerate, and finally fall to the discharge port for discharging; a container for collecting plastic particles can be placed at the discharge port, or other downstream processing devices can be connected. When the air flow carries the plastic particles to move, it will accelerate the evaporation of the moisture on the surface of the plastic particles; at the same time, by means of the residual heat of the plastic particles themselves, the drying of the plastic particles can be realized. The air flow carrying water vapor mainly discharges from the exhaust port at the top of the separation tank.

[0014] It can be seen from this that the beneficial effects of the present utility model are as follows: Compared with the structurally complex tunnel oven, it has the advantages of simple structure and low cost, which is beneficial to reducing production costs and improving product competitiveness. Moreover, the present utility model can be applied not only to the drying of light plastic particles but also to the drying of light particles of other materials. Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained according to these drawings.

[0016] Figure 1 is the structural schematic diagram of the present utility model;

[0017] Figure 2 is the schematic diagram of the present utility model with two drying mechanisms provided.

[0018] Reference numerals: 1, separation tank; 2, blower; 3, feed pipe; 4, horizontal section; 5, feed branch pipe; 6, air inlet section; 7, mixing section; 8, cylindrical section; 9, hollow frustum section; 10, cloth bag; 11, inlet section; 12, diversion section; 13, outlet section; 14, corrugated hose; 15, first valve; 16, second valve. Detailed implementation manners

[0019] In the following text, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present invention. Therefore, the drawings and the description are considered to be exemplary in nature rather than restrictive.

[0020] In the description of the present invention, it should be understood that the terms "upstream" and "downstream" are defined based on the air flow direction. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality of" means two or more unless otherwise specifically defined.

[0021] In the present invention, unless otherwise clearly specified and defined, the terms "installed", "connected", "connected to", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be directly connected, or indirectly connected through an intermediate medium, and can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0022] The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the present invention.

[0023] The following combines the attached Figure 1 ~attached Figure 2 to describe the embodiments of the present invention in detail.

[0024] An embodiment of the present utility model provides a plastic particle drying device. The plastic particle drying device includes: a drying mechanism. The drying mechanism includes: a separation tank 1, a blower 2, and a feed pipe 3 connecting the outlet of the blower 2 to the inlet of the separation tank 1. The feed pipe 3 has a horizontal section 4, and a feed branch pipe 5 extending upward is provided on the horizontal section 4. The upper port of the feed branch pipe 5 constitutes a feed port. The part of the horizontal section 4 located upstream of the feed branch pipe 5 constitutes an air inlet section 6, and the part located downstream of the feed branch pipe 5 constitutes a mixing section 7. The blower 2 is located upstream of the air inlet section 6, and the separation tank 1 is located downstream of the mixing section 7. The separation tank 1 includes: a cylindrical section 8 and a hollow frustum section 9 connected in sequence from top to bottom. The separation tank 1 has an inlet provided at the upper part of the cylindrical section 8, and the inlet direction is tangent to the cylindrical section 8. The separation tank 1 is provided with an exhaust port at the top and a cloth bag 10 is provided. It should be understood that the cloth bag 10 can prevent plastic particles from being carried out when the air flow discharges from the exhaust port. The separation tank 1 is provided with a discharge port at the bottom.

[0025] The following describes the specific implementation manner of the present utility model: Let the blower 2 blow air to form an air flow flowing from the blower 2 towards the separation tank 1 in the feed pipe 3. The plastic particles are fed from the feed port of the feed branch pipe 5. The water - bearing plastic particles will fall from the feed branch pipe 5 into the horizontal section 4; the plastic particles falling into the horizontal section 4 will be blown into the mixing section 7 by the air flow from the air inlet section 6 and continue to be carried by the air flow along the feed pipe 3 to enter the separation tank 1; the plastic particles entering the separation tank 1 will move along the circumferential direction of the separation tank 1 and gradually decelerate, and finally fall to the discharge port for discharge; a container for collecting plastic particles can be placed at the discharge port, or other downstream processing devices can be connected. When the air flow carries the plastic particles and moves, it will accelerate the evaporation of the moisture on the surface of the plastic particles; at the same time, by means of the residual heat of the plastic particles themselves, the drying of the plastic particles can be achieved. The air flow carrying water vapor mainly discharges from the exhaust port at the top of the separation tank 1. Compared with the structurally complex tunnel oven, the present utility model has the advantages of simple structure and low cost, which is conducive to reducing production costs and improving product competitiveness. Moreover, the present utility model is not only applicable to the drying of light plastic particles, but also applicable to the drying of light particles of other materials.

[0026] Further, the air inlet section 6 includes: an inlet section 11, a diversion section 12, and an outlet section 13 connected in sequence along the air flow direction; the diversion section 12 gradually converges downward along the air flow direction, so that the air flow enters the lower part of the mixing section 7 horizontally from the outlet section 13. It should be understood that by setting the diversion section 12 and the outlet section 13, not only can the air flow be accelerated, but also the air flow can more reasonably blow from the air inlet section 6 to the mixing section 7 and carry away the plastic particles.

[0027] Furthermore, the upstream port of the air inlet section 6 is communicated with the outlet of the blower 2 through a corrugated hose 14. It should be understood that the connection through the corrugated hose 14 facilitates the adjustment of the position of the blower 2.

[0028] Furthermore, an electric heating element is provided in the air inlet section 6. It should be understood that by providing the electric heating element, the moisture on the surface of the plastic particles can be evaporated more quickly.

[0029] Furthermore, plastic films are wound around the connection between the feeding pipe 3 and the separation tank 1, around the connection between the feeding pipe 3 and the corrugated hose 14, and around the connection between the corrugated hose 14 and the blower 2. It should be understood that in a workshop, especially in a plastic production workshop, waste plastic films are often very common. Sealing the connections with plastic films is not only simple in operation, but also turns waste into treasure and has a low cost.

[0030] Furthermore, a plurality of drying mechanisms are provided; the discharge port of the separation tank 1 of the upstream drying mechanism is communicated with the feeding port of the feeding branch pipe 5 of the downstream drying mechanism. It should be understood that usually two drying mechanisms are provided.

[0031] Furthermore, for the drying mechanism located at the uppermost upstream, a first valve 15 and a second valve 16 are sequentially provided on the feeding branch pipe 5 in the vertical direction. It should be understood that when feeding plastic particles from the feeding port of the feeding branch pipe 5, the first valve 15 and the second valve 16 can be alternately opened, so as to prevent the air flow from flowing back out of the feeding port of the feeding branch pipe 5. The first valve 15 and the second valve 16 are usually set as electric valves and can be adapted to a controller to achieve automatic periodic opening and closing.

[0032] Although the specific embodiments of the present invention have been described above, those skilled in the art should understand that without departing from the principle and essence of the present invention, various changes or modifications can be made to these embodiments, but these changes and modifications all fall within the protection scope of the present invention.

Claims

1. Plastic particle drying device, characterized in that: It includes: Drying mechanism; The drying mechanism includes: a separation tank (1), a blower (2), and a feeding pipe (3) connecting the outlet of the blower (2) and the inlet of the separation tank (1); The feeding pipe (3) has a horizontal section (4), and a feeding branch pipe (5) extending upward is provided on the horizontal section (4); the upper port of the feeding branch pipe (5) constitutes a feeding port; The part of the horizontal section (4) located on the upstream side of the feeding branch pipe (5) constitutes an air inlet section (6), and the part located on the downstream side of the feeding branch pipe (5) constitutes a mixing section (7); The blower (2) is located upstream of the air inlet section (6), and the separation tank (1) is located downstream of the mixing section (7); The separation tank (1) includes: a cylindrical section (8) and a hollow frustum section (9) connected in sequence from top to bottom; The separation tank (1) has its inlet provided at the upper part of the cylindrical section (8), and the inlet direction is tangent to the cylindrical section (8); The separation tank (1) is provided with an exhaust port at the top and a cloth bag (10) is provided; the separation tank (1) is provided with a discharge port at the bottom.

2. The plastic particle drying device according to claim 1, characterized in that: The air inlet section (6) includes: an inlet section (11), a diversion section (12), and an outlet section (13) connected in sequence along the air flow direction; The diversion section (12) gradually converges downward along the air flow direction, so that the air flow enters the lower part of the mixing section (7) horizontally from the outlet section (13).

3. The plastic particle drying device according to claim 2, characterized in that: The upstream port of the air inlet section (6) is communicated with the outlet of the blower (2) through a corrugated hose (14).

4. The plastic particle drying device according to claim 3, characterized in that: The air inlet section (6) is provided with an electric heating element.

5. The plastic particle drying device according to claim 4, characterized in that: The connection between the feeding pipe (3) and the separation tank (1) is wound with a plastic film, the connection between the feeding pipe (3) and the corrugated hose (14) is wound with a plastic film, and the connection between the corrugated hose (14) and the blower (2) is wound with a plastic film.

6. The plastic particle drying device according to any one of claims 1 to 5, characterized in that: A plurality of drying mechanisms are provided; the discharge port of the separation tank (1) of the upstream drying mechanism is communicated with the feeding port of the feeding branch pipe (5) of the downstream drying mechanism.

7. The plastic particle drying device according to claim 6, characterized in that: For the drying mechanism located at the most upstream, its feeding branch pipe (5) is sequentially provided with a first valve (15) and a second valve (16) in the up-down direction.

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