Plastic recycling, extruding and granulating device

Abstract

The utility model discloses a plastic recycling, extruding and granulating device and relates to the technical field of plastic recycling, extruding and granulating. Comprising a base frame, an extruding machine body is installed on the base frame, a discharging pipe is arranged at one end of the extruding machine body, a preheating tank is arranged on one side of the top of the extruding machine body, and a heat recovery assembly is arranged on the back face side of the extruding machine body and comprises a heat exchanger body arranged on the back face of the extruding machine body; the heat exchanger body is installed on the installation frame, a first inlet pipe and a second outlet pipe are arranged at the bottom of one side of the heat exchanger body, and a first outlet pipe and a second inlet pipe are correspondingly arranged at the top of the heat exchanger body. According to the utility model, through the arrangement of the heat recovery assembly, heat generated in the extruder body and heat at the granulation pipe are effectively conveyed into the preheating tank through the heat exchanger body, so that plastic can be conveniently preheated, and the energy utilization rate is improved while smooth granulation is ensured.

Description

Technical Field

[0001] This utility model relates to the field of plastic recycling extrusion granulation technology, specifically a plastic recycling extrusion granulation device. Background Technology

[0002] Plastic recycling extrusion granulation equipment refers to a device specifically designed for recycling waste plastics and processing them into reusable granules. The core working principle of the equipment is to heat, plasticize, and mix the waste plastics through an extrusion process, and finally granulate them into uniform granules through a granulator. These granules are used to manufacture new products, thereby realizing the recycling of plastics, reducing environmental pollution, and saving resources.

[0003] The existing recycled plastic granulation device (authorization announcement number: CN219600082U) has the following defects: the above device can disassemble and replace the granulation tube through the limiting structure, thereby enabling rapid granulation of different diameters and increasing the overall applicability during use. However, during the operation of the above device, the hot exhaust gas generated by the plastic in the extruder is generally purified and discharged, which is not easy to recover and utilize the heat, thus reducing the energy utilization rate of the device to a certain extent. Therefore, this utility model is proposed. Utility Model Content

[0004] The purpose of this invention is to provide a plastic recycling extrusion granulation device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a plastic recycling extrusion granulation device, including a base frame, an extruder body mounted on the base frame, a discharge pipe at one end of the extruder body, a preheating tank at one side of the top of the extruder body, a heat recovery assembly at the back of the extruder body, the heat recovery assembly including a heat exchanger body at the back of the extruder body, a mounting frame fixed on the base frame, the heat exchanger body mounted on the mounting frame, a first inlet pipe and a second outlet pipe respectively at the bottom of one side of the heat exchanger body, and a first outlet pipe and a second inlet pipe respectively at the top, a first connecting pipe connected to the back of the tail end of the extruder body, the first connecting pipe being connected to the first inlet pipe, and a horn-shaped suction pipe above the discharge pipe.

[0006] Preferably, a first fan is installed inside the horn tube, and a second connecting pipe is connected to the horn tube, with one end of the second connecting pipe connected to the end of the first connecting pipe.

[0007] Preferably, the first outlet pipe is connected to a purification chamber at one end, a discharge pipe is provided on one side of the purification chamber, the second inlet pipe is connected to an adapter pipe at one end, a second fan is provided on the adapter pipe, and an air outlet pipe is connected to the second outlet pipe at one end.

[0008] Preferably, the preheating tank is provided with an outer shell, the end of the air outlet pipe is connected to the outer shell, a valve pipe is connected to the top of one side of the outer shell, a cover is provided on the top of the outer shell, a feeding pipe is provided on the cover, a stirring column is rotatably inserted in the middle of the cover, multiple stirring plates are fixed at equal intervals at the bottom of the stirring column, and a stirring motor is connected to the top of the stirring column.

[0009] Preferably, an L-shaped plate is fixed on the mounting bracket, the purification box is mounted on the L-shaped plate, an inverted L-shaped plate is fixed on the top of the discharge pipe, and the horn-shaped suction pipe is mounted on the inverted L-shaped plate.

[0010] Preferably, the extruder body is provided with a heating mechanism on the outside, a granulation tube is provided inside the discharge tube, the outer wall of the granulation tube is symmetrically fixed with mounting protrusions, and the end of the discharge tube is symmetrically provided with L-shaped sliding holes that are adapted to the mounting protrusions.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] This plastic recycling extrusion granulation device, through the setting of heat recovery components, effectively transfers the heat generated inside the extruder and at the granulation tube into the preheating tank through the heat exchanger body, thereby facilitating the preheating of the plastic, ensuring smooth granulation, and improving energy utilization. Attached Figure Description

[0013] Figure 1 This is a first three-dimensional structural diagram of the present invention;

[0014] Figure 2 This is a schematic diagram of the second three-dimensional structure of the present invention;

[0015] Figure 3 This is a schematic diagram of the third three-dimensional structure of the present invention;

[0016] Figure 4 This is a cross-sectional view of the present invention.

[0017] In the diagram: 1. Base frame; 2. Extruder body; 201. Discharge pipe; 202. Heating mechanism; 203. Granulation pipe; 204. Mounting protrusion; 205. L-shaped sliding hole; 3. Preheating tank; 301. Outer shell; 302. Stirring column; 303. Stirring plate; 4. Heat exchanger body; 401. Mounting bracket; 402. First inlet pipe; 403. First connecting pipe; 404. Second connecting pipe; 405. Horn-shaped extraction pipe; 406. Purification chamber; 407. Discharge pipe; 5. Second inlet pipe; 501. Adapter pipe; 502. Second outlet pipe; 503. Gas outlet pipe; 504. Valve pipe. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] In the process of plastic recycling, an extrusion granulation device is required. The extrusion granulation device provided by this utility model is specifically used to preheat the crushed plastic particles before they enter the extruder body 2 for heating, thereby completing the extrusion granulation operation. In the process of using this device, it is necessary to carry out preparatory work such as inspection and testing in advance to ensure the normal use of this device.

[0020] like Figure 1-Figure 4 As shown, this utility model provides a technical solution: a plastic recycling extrusion granulation device, including a base frame 1, an extruder body 2 mounted on the base frame 1, a discharge pipe 201 at one end of the extruder body 2, a preheating tank 3 at one side of the top of the extruder body 2, a heat recovery assembly at the back side of the extruder body 2, the heat recovery assembly including a heat exchanger body 4 at the back side of the extruder body 2, a mounting frame 401 fixed on the base frame 1, the heat exchanger body 4 mounted on the mounting frame 401, a first inlet pipe 402 and a second outlet pipe 502 respectively at the bottom of one side of the heat exchanger body 4, and a first outlet pipe and a second inlet pipe 5 respectively at the top, a first connecting pipe 403 connected to the back side of the tail end of the extruder body 2, the first connecting pipe 403 connected to the first inlet pipe 402, and a horn-shaped suction pipe 405 above the discharge pipe 201.

[0021] In this embodiment, a first fan is installed inside the horn tube 405, and a second connecting pipe 404 is connected to the horn tube 405. One end of the second connecting pipe 404 is connected to the end of the first connecting pipe 403.

[0022] In this embodiment, a purification chamber 406 is connected to the end of the first outlet pipe, an exhaust pipe 407 is provided on one side of the purification chamber 406, an adapter pipe 501 is connected to the end of the second inlet pipe 5, a second fan is provided on the adapter pipe 501, and an air outlet pipe 503 is connected to the end of the second outlet pipe 502.

[0023] In this embodiment, the preheating tank 3 is provided with an outer shell 301. The end of the air outlet pipe 503 is connected to the outer shell 301. A valve pipe 504 is connected to the top of one side of the outer shell 301. A cover is provided on the top of the outer shell 301. A feeding pipe is provided on the cover. A stirring column 302 is rotatably inserted in the middle of the cover. Multiple stirring plates 303 are fixed at equal intervals at the bottom of the stirring column 302. A stirring motor is connected to the top of the stirring column 302.

[0024] In this embodiment, an L-shaped plate is fixed on the mounting bracket 401, the purification box 406 is mounted on the L-shaped plate, an inverted L-shaped plate is fixed to the top of the discharge pipe 201, and the horn-shaped suction pipe 405 is mounted on the inverted L-shaped plate.

[0025] In this embodiment, a heating mechanism 202 is provided on the outside of the extruder body 2, and a granulation tube 203 is provided inside the discharge pipe 201. Mounting protrusions 204 are symmetrically fixed on the outer wall of the granulation tube 203, and L-shaped sliding holes 205 that are adapted to the mounting protrusions 204 are symmetrically opened on the end of the discharge pipe 201. Through the setting of the heat recovery component, the heat generated inside the extruder body 2 and the heat at the granulation tube 203 are effectively transferred into the preheating tank 3 through the heat exchanger body 4, thereby facilitating the preheating of the plastic, ensuring smooth granulation, and improving energy utilization.

[0026] Working principle: When using this device, crushed plastic granules are fed into the preheating tank 3, stirred, and then evenly transported into the extruder body 2. The heating mechanism 202 heats the granules to ensure smooth extrusion. The generated waste heat enters the heat exchanger body 4 through the first connecting pipe 403 and the second connecting pipe 404, so that heat is transferred to the gap between the preheating tank 3 and the outer shell 301, thereby ensuring the preheating of the plastic granules inside the preheating tank 3 and ensuring the recovery and utilization of waste heat.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is limited by the accompanying embodiments and their equivalents.

Claims

1. A plastic recycling extrusion granulation device, comprising a base frame (1), characterized in that: An extruder body (2) is installed on a base frame (1). A discharge pipe (201) is provided at one end of the extruder body (2). A preheating tank (3) is provided on one side of the top of the extruder body (2). A heat recovery assembly is provided on the back side of the extruder body (2). The heat recovery assembly includes a heat exchanger body (4) provided on the back side of the extruder body (2). A mounting frame (401) is fixed on the base frame (1). The heat exchanger body (4) is installed on the mounting frame (401). A first inlet pipe (402) and a second outlet pipe (502) are respectively provided at the bottom of one side of the heat exchanger body (4). A first outlet pipe and a second inlet pipe (5) are respectively provided at the top. A first connecting pipe (403) is connected to the back side of the tail end of the extruder body (2). The first connecting pipe (403) is connected to the first inlet pipe (402). A horn-shaped suction pipe (405) is provided above the discharge pipe (201).

2. The plastic recycling extrusion granulation device according to claim 1, characterized in that: The horn tube (405) is equipped with a first fan, and a second connecting tube (404) is connected to the horn tube (405). One end of the second connecting tube (404) is connected to the end of the first connecting tube (403).

3. The plastic recycling extrusion granulation device according to claim 2, characterized in that: The first outlet pipe is connected to a purification box (406) at one end, and a discharge pipe (407) is provided on one side of the purification box (406). The second inlet pipe (5) is connected to an adapter pipe (501) at one end, and a second fan is provided on the adapter pipe (501). The second outlet pipe (502) is connected to an air outlet pipe (503) at one end.

4. The plastic recycling extrusion granulation device according to claim 3, characterized in that: The preheating tank (3) is provided with an outer shell (301), and the end of the air outlet pipe (503) is connected to the outer shell (301). A valve pipe (504) is connected to the top of one side of the outer shell (301). A cover is provided on the top of the outer shell (301), and a feeding pipe is provided on the cover. A stirring column (302) is rotatably inserted in the middle of the cover. Multiple stirring plates (303) are fixed at equal intervals at the bottom of the stirring column (302). A stirring motor is connected to the top of the stirring column (302).

5. A plastic recycling extrusion granulation device according to claim 4, characterized in that: An L-shaped plate is fixed on the mounting bracket (401), the purification box (406) is installed on the L-shaped plate, an inverted L-shaped plate is fixed on the top of the discharge pipe (201), and the horn-shaped suction pipe (405) is installed on the inverted L-shaped plate.

6. The plastic recycling extrusion granulation device according to claim 1, characterized in that: The extruder body (2) is provided with a heating mechanism (202) on the outside, and a granulation tube (203) is provided inside the discharge tube (201). The outer wall of the granulation tube (203) is symmetrically fixed with mounting protrusions (204), and the end of the discharge tube (201) is symmetrically provided with L-shaped sliding holes (205) that are compatible with the mounting protrusions (204).

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