A magnetic separation granulating device for polyether ether ketone production

Abstract

The utility model discloses a kind of magnetic separation granulation devices for polyether ether ketone production, including granulator and magnetic separator, the granulator is equipped with feeding hopper and blanking port, the side of granulator is equipped with feeding fan, the air outlet of feeding fan is equipped with feeding pipeline, the top of feeding pipeline is equipped with first receiving funnel, first receiving funnel is located just below blanking port, the end of feeding pipeline away from feeding fan extends to just above magnetic separator. The utility model is matched with S-shaped distributor by feeding fan, utilizes drive box to drive first spur gear and second spur gear to engage, so that distributor rotates and evenly disperses material, rectangular blanking port of second receiving funnel covers entire first electromagnetic roller length, ensure that material forms uniform material layer on electromagnetic roller surface, avoid magnetic selection blind area caused by accumulation, significantly improve impurity adsorption efficiency.

Description

Technical Field

[0001] This utility model relates to the field of polyether ether ketone (PEEK) production technology, and in particular to a magnetic separation granulation device for PEEK production. Background Technology

[0002] Polyetheretherketone (PEEK), a high-performance specialty engineering plastic, possesses excellent high-temperature resistance, chemical corrosion resistance, and mechanical properties, and is widely used in high-end fields such as aerospace, medical devices, and electronics. Its production process is complex, requiring multiple steps including feeding, salt-forming polymerization, tableting, crushing, acetone refining, water refining, and centrifugal drying. During material crushing and pipeline transportation, contamination with metallic impurities, such as iron filings and metal particles, is unavoidable. If these impurities are not thoroughly removed, they will severely affect the mechanical properties and reliability of PEEK products, leading to safety hazards in downstream applications.

[0003] Existing magnetic separation devices for polyetheretherketone (PEEK) production generally suffer from the following problems: First, uneven material distribution; direct feeding through traditional pipelines easily leads to material accumulation in the magnetic separation area, resulting in some magnetic impurities not being effectively adsorbed. Second, insufficient magnetic separation efficiency; a single electromagnetic roller or a combination of electromagnetic rollers rotating in the same direction is insufficient to achieve multiple efficient magnetic separations, easily missing small impurities. Third, incomplete impurity separation; the lack of a targeted discharge structure results in the mixing of magnetically separated product particles with impurities, requiring additional manual sorting. Fourth, low automation; poor interoperability of components, making it difficult to efficiently integrate with drying, granulation, and other processes. Therefore, there is an urgent need for a magnetic separation granulation device with optimized structure, significant magnetic separation effect, and adaptability to industrial production processes to solve the problems of incomplete removal of metal impurities and low production efficiency in existing technologies. Utility Model Content

[0004] In order to solve the problems mentioned in the background art, the present invention provides a magnetic separation granulation device for polyether ether ketone production.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A magnetic separation granulation device for polyether ether ketone (PEEK) production includes a granulator and a magnetic separator. The granulator is equipped with a feeding hopper and a discharge port. A feeding fan is provided on one side of the granulator. A feeding pipe is provided at the outlet of the feeding fan. A first receiving funnel is provided at the top of the feeding pipe. The first receiving funnel is located directly below the discharge port. The end of the feeding pipe away from the feeding fan extends to the top of the magnetic separator. A first electromagnetic roller and a second electromagnetic roller are respectively provided inside the magnetic separator. The first electromagnetic roller and the second electromagnetic roller are arranged alternately, and the rotation directions of the first electromagnetic roller and the second electromagnetic roller are opposite.

[0007] Preferably, a distributor is rotatably installed at the end of the feeding pipe away from the feeding blower. The distributor is an S-shaped pipe, and a first spur gear is fixed on the distributor.

[0008] Preferably, a drive box is fixed on the feeding pipe, and a second spur gear is connected to the bottom of the drive box through a rotating output shaft, with the first spur gear meshing with the second spur gear.

[0009] Preferably, the magnetic separator is provided with a second receiving funnel at the top, the top of the second receiving funnel is circular, the bottom of the second receiving funnel is rectangular, and the bottom of the second receiving funnel is provided with a rectangular discharge port.

[0010] Preferably, a transmission box is provided on one side of the magnetic separator, and a rotary motor is fixed on the transmission box. A third spur gear and a fourth spur gear are respectively provided inside the transmission box. The third spur gear and the fourth spur gear mesh with each other. The output shaft of the rotary motor is fixed to the third spur gear, and the first electromagnetic roller and the second electromagnetic roller are respectively fixed to the third spur gear and the fourth spur gear.

[0011] Preferably, the magnetic separator has two vertically arranged scrapers inside, with the tops of the two scrapers respectively contacting the bottom surfaces of the first and second electromagnetic rollers. The bottom of the magnetic separator is located on the side of the two scrapers that are far apart from each other, and the first discharge screw rotates in both. The bottom of the magnetic separator is located between the two scrapers and has a second discharge screw. The first discharge screw extends to the outside of the magnetic separator through the first discharge port, and the second discharge screw extends to the outside of the magnetic separator through the second discharge port.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. By cooperating with the feeding fan and the S-shaped distributor, the drive box drives the first spur gear and the second spur gear to mesh, so that the distributor rotates and evenly disperses the material. The rectangular discharge port of the second receiving funnel covers the entire length of the first electromagnetic roller, ensuring that the material forms a uniform material layer on the surface of the electromagnetic roller, avoiding magnetic separation blind spots caused by accumulation, and significantly improving the impurity adsorption efficiency.

[0014] 2. Inside the magnetic separator, the first and second electromagnetic rollers, which are arranged alternately, rotate in opposite directions. The material first passes through the first electromagnetic roller to adsorb magnetic impurities, and the unseparated particles slide to the second electromagnetic roller for magnetic separation again, forming a dual screening mechanism that effectively removes metal impurities of different particle sizes and adsorption forces, especially for fine metal fragments that may be generated during the crushing process.

[0015] 3. The scraper on the surface of the electromagnetic roller is in close contact with the roller body, and scrapes off the adsorbed impurities in a timely manner as the roller rotates, preventing impurities from being mixed into the product again. The first and second discharge screws at the bottom of the magnetic separator correspond to the impurity zone and the product zone, respectively. By rotating in opposite directions, they achieve automatic separation of impurities (such as iron filings and metal particles) from PEEK particles. The discharge efficiency is high and there is no cross-contamination. No manual intervention is required, reducing material loss.

[0016] 4. The dried material flows by gravity to the magnetic separation hopper, where impurities are removed by magnetic separation before it directly enters the screw extruder for granulation, shortening intermediate steps and improving production continuity. The feeding fan and rotary motor are controlled by frequency converters, which can dynamically adjust the power according to the material throughput, reducing energy consumption compared to traditional equipment and meeting the requirements of green manufacturing. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is the front view of the present invention;

[0019] Figure 2 This is a perspective view of the present utility model;

[0020] Figure 3 This is a first-view perspective perspective view of the magnetic separator of this utility model;

[0021] Figure 4 This is a second-view perspective perspective view of the magnetic separator of this utility model;

[0022] Figure 5 This is a right-side sectional view of the magnetic separator of this utility model;

[0023] Figure 6 This is a left-side sectional view of the transmission box of this utility model;

[0024] In the diagram: 1. Granulator; 101. Feed hopper; 102. Discharge port; 2. Feeding fan; 201. First receiving funnel; 202. Feeding pipe; 203. Distributor; 2031. First spur gear; 204. Drive box; 2041. Second spur gear; 3. Magnetic separator; 301. Second receiving funnel; 3011. Rectangular discharge port; 302. First electromagnetic roller; 3021. Second electromagnetic roller; 3022. Third spur gear; 3023. Fourth spur gear; 303. Scraper; 304. First discharge port; 305. Second discharge port; 306. First discharge screw; 307. Second discharge screw; 308. Transmission box; 3081. Rotary motor. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0026] Example

[0027] Reference Figure 1-6 A magnetic separation granulation device for polyether ether ketone (PEEK) production includes a granulator 1 and a magnetic separator 3. The granulator 1 is provided with a feeding hopper 101 and a discharge port 102. A feeding fan 2 is provided on one side of the granulator 1. A feeding pipe 202 is provided at the outlet of the feeding fan 2. A first receiving funnel 201 is provided at the top of the feeding pipe 202. The first receiving funnel 201 is located directly below the discharge port 102. The end of the feeding pipe 202 away from the feeding fan 2 extends to the top of the magnetic separator 3. A first electromagnetic roller 302 and a second electromagnetic roller 3021 are respectively provided inside the magnetic separator 3. The first electromagnetic roller 302 and the second electromagnetic roller 3021 are arranged alternately, and the rotation directions of the first electromagnetic roller 302 and the second electromagnetic roller 3021 are opposite.

[0028] The granules produced by the granulator 1 fall through the discharge port 102 into the first receiving hopper 201. The feeding fan 2 works to create airflow in the feeding pipe 202. The airflow carries the granules into the magnetic separator 3 for magnetic separation. The granules first fall onto the surface of the first electromagnetic roller 302. The product granules will slide directly from the top of the first electromagnetic roller 302. Magnetic impurities will be adsorbed onto the surface of the first electromagnetic roller 302. The slid-off granules will fall onto the surface of the second electromagnetic roller 3021 for magnetic separation again, improving the magnetic separation effect and preventing some magnetic impurities from being separated.

[0029] Among them, a distributor 203 is rotatably installed at the end of the feeding pipe 202 away from the feeding blower 2. The distributor 203 is an S-shaped pipe, and a first spur gear 2031 is fixed on the distributor 203. A drive box 204 is fixed on the feeding pipe 202. The bottom end of the drive box 204 is connected to a second spur gear 2041 through a rotating output shaft. The first spur gear 2031 meshes with the second spur gear 2041. The top of the magnetic separator 3 is provided with a second receiving funnel 301. The top of the second receiving funnel 301 is circular, the bottom of the second receiving funnel 301 is rectangular, and the bottom of the second receiving funnel 301 is provided with a rectangular discharge port 3011.

[0030] Particles in the feeding pipe 202 fall into the second receiving hopper 301 through the distributor 203. The second spur gear 2041 is driven to rotate by the drive box 204. The meshing of the second spur gear 2041 with the first spur gear 2031 drives the distributor 203 to rotate, so that the particles flowing down from the distributor 203 can be more evenly distributed in the second receiving hopper 301. After being collected in the second receiving hopper 301, they fall through the rectangular discharge port 3011. The rectangular discharge port 3011 can cover the length of the first electromagnetic roller 302, so that a layer can be more evenly distributed on the surface of the first electromagnetic roller 302, improving the magnetic separation effect and preventing some magnetically separated impurities from being adsorbed due to material accumulation.

[0031] Among them, a transmission box 308 is provided on one side of the magnetic separator 3, and a rotary motor 3081 is fixed on the transmission box 308. A third spur gear 3022 and a fourth spur gear 3023 are respectively provided inside the transmission box 308. The third spur gear 3022 and the fourth spur gear 3023 mesh with each other. The output shaft of the rotary motor 3081 is fixed to the third spur gear 3022, and the first electromagnetic roller 302 and the second electromagnetic roller 3021 are respectively fixed to the third spur gear 3022 and the fourth spur gear 3023.

[0032] Turning on the rotary motor 3081 will drive the third spur gear 3022 and the first electromagnetic roller 302 to rotate. Through the meshing of the third spur gear 3022 and the fourth spur gear 3023, the first electromagnetic roller 302 and the second electromagnetic roller 3021 will be driven to rotate synchronously in opposite directions.

[0033] The magnetic separator 3 has two vertically arranged scraper blades 303 inside. The tops of the two scraper blades 303 are respectively in contact with the bottom surfaces of the first electromagnetic roller 302 and the second electromagnetic roller 3021. The bottom of the magnetic separator 3 is located on the side where the two scraper blades 303 are far apart from each other, and the first discharge screw 306 rotates. The bottom of the magnetic separator 3 is located between the two scraper blades 303 and the second discharge screw 307 is provided. The first discharge screw 306 extends to the outside of the magnetic separator 3 through the first discharge port 304, and the second discharge screw 307 extends to the outside of the magnetic separator 3 through the second discharge port 305.

[0034] During the rotation of the first electromagnetic roller 302 and the second electromagnetic roller 3021, the magnetically separated impurities adsorbed on their surfaces are scraped off by the two scrapers 303 and fall to the side of the two scrapers 303 that are far apart from each other. The product particles after magnetic separation fall between the two scrapers 303, thereby achieving the purpose of separation. The magnetically separated impurities are driven by the first discharge screw 306 and discharged from the first discharge port 304. The product particles are driven by the second discharge screw 307 and discharged from the second discharge port 305.

[0035] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0036] In this utility model, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," "join," and "fix" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, a direct connection, or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0037] The control method of this utility model is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge in the field. Since this utility model is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail.

[0038] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A magnetic separation granulation device for polyetheretherketone (PEEK) production, comprising a granulator (1) and a magnetic separator (3), characterized in that: The granulator (1) is provided with a feeding hopper (101) and a discharge port (102). A feeding fan (2) is provided on one side of the granulator (1). A feeding pipe (202) is provided at the air outlet of the feeding fan (2). A first receiving funnel (201) is provided at the top of the feeding pipe (202). The first receiving funnel (201) is located directly below the discharge port (102). The end of the feeding pipe (202) away from the feeding fan (2) extends to the top of the magnetic separator (3). The magnetic separator (3) is provided with a first electromagnetic roller (302) and a second electromagnetic roller (3021) respectively. The first electromagnetic roller (302) and the second electromagnetic roller (3021) are arranged alternately, and the rotation directions of the first electromagnetic roller (302) and the second electromagnetic roller (3021) are opposite.

2. The magnetic separation granulation device for polyetheretherketone (PEEK) production according to claim 1, characterized in that: A distributor (203) is rotatably installed at the end of the feeding pipe (202) away from the feeding fan (2). The distributor (203) is an S-shaped pipe, and a first spur gear (2031) is fixed on the distributor (203).

3. The magnetic separation granulation device for polyetheretherketone (PEEK) production according to claim 2, characterized in that: A drive box (204) is fixed on the feeding pipe (202). The bottom end of the drive box (204) is connected to a second spur gear (2041) through a rotating output shaft. The first spur gear (2031) meshes with the second spur gear (2041).

4. The magnetic separation granulation device for polyetheretherketone (PEEK) production according to claim 3, characterized in that: The magnetic separator (3) is provided with a second receiving funnel (301) at the top. The top of the second receiving funnel (301) is circular, the bottom of the second receiving funnel (301) is rectangular, and the bottom of the second receiving funnel (301) is provided with a rectangular discharge port (3011).

5. The magnetic separation granulation device for polyetheretherketone (PEEK) production according to claim 1, characterized in that: The magnetic separator (3) has a transmission box (308) on one side, and a rotary motor (3081) is fixed on the transmission box (308). The transmission box (308) is equipped with a third spur gear (3022) and a fourth spur gear (3023). The third spur gear (3022) and the fourth spur gear (3023) mesh with each other. The output shaft of the rotary motor (3081) is fixed to the third spur gear (3022), and the first electromagnetic roller (302) and the second electromagnetic roller (3021) are fixed to the third spur gear (3022) and the fourth spur gear (3023) respectively.

6. The magnetic separation granulation device for polyetheretherketone (PEEK) production according to claim 1, characterized in that: The magnetic separator (3) has two vertically arranged scrapers (303) inside. The tops of the two scrapers (303) are respectively in contact with the bottom surfaces of the first electromagnetic roller (302) and the second electromagnetic roller (3021). The bottom of the magnetic separator (3) is located on the side where the two scrapers (303) are far apart from each other, and the first discharge screw (306) rotates. The bottom of the magnetic separator (3) is located between the two scrapers (303) and the second discharge screw (307) is provided. The first discharge screw (306) extends to the outside of the magnetic separator (3) through the first discharge port (304), and the second discharge screw (307) extends to the outside of the magnetic separator (3) through the second discharge port (305).

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