Filtering device for polyester resin

By using a high-temperature resistant metal mesh filter cartridge and scraper design, combined with centrifugal filtration and temperature control, the problems of frequent cleaning and low efficiency of polyester resin filtration devices are solved, achieving a highly efficient and continuous filtration process, and improving product quality and production efficiency.

CN224040254UActive Publication Date: 2026-03-27NINGBO LAN FA FUEL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Traditional polyester resin filtration devices require frequent cleaning and have low filtration efficiency, which affects production efficiency and product quality.

Method used

It adopts a combination of high-temperature resistant metal mesh filter cartridge and centrifugal filtration. The filter cartridge is driven to rotate by a motor and equipped with a scraper to remove the attached resin. A heating plate is used to maintain the temperature and prevent the filtration efficiency from decreasing.

Benefits of technology

It significantly reduces cleaning frequency, improves filtration efficiency, ensures product quality and production continuity, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a polyester resin filtering device, and relates to the technical field of polyester resin production filtering equipment, the polyester resin filtering device comprises a main body, the top surface of the main body is provided with a first motor, and four corners of the top surface of the first motor are in threaded connection with fastening bolts penetrating into the main body; the output end of the bottom face of the first motor is connected with a sealing clamping ring, a clamping block matched with the sealing clamping ring is tightly embedded in the sealing clamping ring, the bottom face of the clamping block is connected with a filter cartridge, the filter cartridge is located in the main body, and the filter cartridge is made of a metal net resistant to high temperature, high pressure and strong impact force. The first motor drives the filter cartridge to rotate through the sealing clamping ring and the clamping block, the filtering efficiency of polyester resin is improved through centrifugal force, the second motor drives the scraper to rotate, and the polyester resin attached to the inner wall of the main body and the outer surface of the filter cartridge is scraped off through the scraper on the scraper, so that the polyester resin is prevented from being deposited; the quality and the filtering efficiency of a final finished product are influenced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to polyester resin production filtering equipment technical field, concretely is a kind of polyester resin's filtering device. BACKGROUND

[0002] Polyester resin is a kind of synthetic resin widely used in coating, composite material, adhesive, plastic and other industrial fields, it is synthesized by polyol and polyacid through esterification, with good mechanical property, chemical corrosion resistance and electrical insulation, the development of polyester resin originated in the 1930s, initially as raw material of fiber material, with the development of technology, the application field of polyester resin gradually expands to coating, plastic and composite material and other industrial fields, in the 1950s, polyester resin began to be widely used in manufacturing glass fiber reinforced plastic (GFRP), i.e. the glass steel that we are familiar with.

[0003] The filtration of polyester resin is an important link to ensure the quality of resin, especially in the manufacturing and application process, the purpose of filtration is to remove impurities, particles and gel in resin, to improve the purity of resin and the performance of final product, the following is the purpose of polyester resin filtration: improve purity, filtration can remove solid particles, gel and other impurities in resin, improve the purity of resin; improve performance, pure resin helps to improve the mechanical properties, appearance and durability of final product; prolong service life, filtration can reduce pollutants in resin, prolong the service life of resin and related products; ensure consistency, filtration helps to ensure the consistency between resin batches, especially important for continuous production process.

[0004] In polyester production process, the polyester resin product temperature flowing out of reaction kettle is very high, and the viscosity is also particularly high, the current polyester resin filtering device on the market needs to be cleaned regularly, which not only wastes a lot of polyester resin filtered, but also consumes a lot of time, therefore, a polyester resin filtering device is designed, which can reduce the cleaning frequency of polyester resin filtering device and improve the filtering efficiency. SUMMARY

[0005] Therefore, the utility model aims at providing a kind of polyester resin's filtering device to solve the technical problem of high cleaning frequency and low filtering efficiency of traditional filtering device.

[0006] To achieve the above object, the utility model provides following technical scheme: a kind of filtering device of polyester resin, the top surface of the main part is provided with first motor, and the four corners of first motor top surface are all threadedly connected with the fastening bolt that is penetrated into the inside of main part, the output end of the bottom surface of first motor is connected with sealing snap ring, and sealing snap ring is tightly embedded with the clamping block matched therewith, the bottom surface of the clamping block is connected with filter cartridge, and filter cartridge is located in the inside of main part, the material of filter cartridge is high temperature resistant, high pressure resistant and strong impact resistant metal net, the top surface of first motor is provided with feed channel that is penetrated first motor, and feed channel does not affect the normal operation of first motor.

[0007] By adopting the above technical scheme, the polyester resin is injected into the filter cartridge, and the first motor drives the filter cartridge to rotate through the sealing snap ring and the clamping block, thereby accelerating the filtering efficiency of the polyester resin by centrifugal force.

[0008] The utility model further sets up that the inside of main part is equipped with heating plate for maintaining the temperature of polyester resin.

[0009] By adopting the above technical scheme, the heating plate in the main body is used to maintain the temperature of the polyester resin, preventing the filtering efficiency of the polyester resin from being affected by the decrease in temperature.

[0010] The utility model further sets up that the bottom surface of main part is equipped with second motor, and the output end of second motor on top surface is connected with the scraper that is penetrated main body bottom surface, the scraper cutter of scraper is in close contact with the outer surface of filter cartridge and the inner wall of main part, the top surface of scraper is connected with the limit ring that is in contact with the bottom surface of clamping block, and the edge of limit ring is in close contact with the outer surface of filter cartridge and the inner wall of main part, the material of scraper is stainless steel with high strength, corrosion resistance and temperature resistance, and the material of scraper cutter of scraper is rubber with good elasticity and flexibility.

[0011] By adopting the above technical scheme, the second motor drives the scraper to rotate, and the polyester resin adhering to the inner wall of the main body and the outer surface of the filter cartridge is scraped off by the scraper on the scraper, preventing the polyester resin from accumulating and affecting the quality of the final product and the filtering efficiency.

[0012] The utility model further sets up that the bottom surface of main part is provided with the discharge channel that is penetrated main body bottom surface, and the discharge channel is provided with discharge port at one end that is penetrated out of main body, and the switch valve is installed in the middle position of discharge channel.

[0013] By adopting the above technical scheme, the switch valve is started, and the filtered polyester resin is discharged from the discharge port along the discharge channel.

[0014] In summary, the utility model mainly has the following beneficial effects:

[0015] The utility model discloses a first motor is driven the rotation of filter cylinder through sealing snap ring and clamping block, and the filtering efficiency of polyester resin is accelerated through centrifugal force, and the rotation of scraper is driven through second motor, and the scraper on the scraper is scraped the polyester resin that adheres on the inner wall of main part and the outer surface of filter cylinder, prevents the accumulation of polyester resin, and the quality and filtering efficiency of final product are influenced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is whole structure schematic diagram of the utility model;

[0017] Figure 2 It is whole structure schematic diagram of the utility model;

[0018] Figure 3 It is whole structure sectional view of the utility model;

[0019] Figure 4 It is whole structure half sectional schematic diagram of the utility model.

[0020] In the drawing: 1, main part;2, first motor;3, sealing snap ring;4, clamping block;5, limit ring;6, filter cylinder;7, scraper;8, second motor;9, discharge passage;10, on-off valve;11, discharge port;12, fastening bolt;13, feed passage. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings of the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.

[0022] The embodiments of the utility model will be described below according to the whole structure.

[0023] A kind of polyester resin's filtering device, as shown in Figures 1-4 It includes main body 1, the top surface of main body 1 is provided with first motor 2, and the four corners of the top surface of first motor 2 are all threadedly connected with fastening bolt 12 that is penetrated into the inside of main body 1, the output end of the bottom surface of first motor 2 is connected with sealing snap ring 3, and sealing snap ring 3 is tightly embedded with the clamping block 4 matched with it, the bottom surface of clamping block 4 is connected with filter cylinder 6, and filter cylinder 6 is located in the inside of main body 1, the material of filter cylinder 6 is high-temperature-resistant, high-pressure-resistant and strong-impact-resistant metal mesh, the top surface of first motor 2 is provided with feed passage 13 that is penetrated through first motor 2, and feed passage 13 does not affect the normal operation of first motor 2, the reaction kettle or storage device of polyester resin is connected with feed passage 13, and polyester resin is injected into filter cylinder 6, and first motor 2 drives filter cylinder 6 to rotate through sealing snap ring 3 and clamping block 4, and the filtering efficiency of polyester resin is accelerated through centrifugal force.

[0024] The heating plate installed in the main body 1 is used to maintain the temperature of the polyester resin, preventing the filtration efficiency of the polyester resin from being affected by the temperature reduction.

[0025] The second motor 8 is installed on the bottom surface of the main body 1, and the output end of the second motor 8 is connected with the scraper 7 penetrating through the bottom surface of the main body 1. The scraper 7 is in close contact with the outer surface of the filter cylinder 6 and the inner wall of the main body 1 at the scraping knife position. The top surface of the scraper 7 is connected with the limiting ring 5 in contact with the bottom surface of the clamping block 4, and the edge of the limiting ring 5 is in close contact with the outer surface of the filter cylinder 6 and the inner wall of the main body 1. The scraper 7 is made of stainless steel with high strength, corrosion resistance and temperature resistance. The scraping knife position of the scraper 7 is made of rubber with good elasticity and flexibility. The second motor 8 drives the scraper 7 to rotate. The polyester resin attached to the inner wall of the main body 1 and the outer surface of the filter cylinder 6 is scraped off by the scraping knife on the scraper 7, preventing the accumulation of polyester resin and affecting the quality of the final product and the filtration efficiency.

[0026] The bottom surface of the main body 1 is provided with a discharging channel 9 penetrating through the bottom surface of the main body 1. The discharging channel 9 is provided with a discharging port 11 at one end penetrating through the main body 1. A switch valve 10 is installed at the middle position of the discharging channel 9. When the switch valve 10 is started, the filtered polyester resin is discharged from the discharging port 11 along the discharging channel 9.

[0027] Working principle: The reaction kettle or storage device of the polyester resin is connected with the feeding channel 13. The polyester resin is injected into the filter cylinder 6. The first motor 2 drives the filter cylinder 6 to rotate through the sealing snap ring 3 and the clamping block 4. The filtration efficiency of the polyester resin is accelerated by the centrifugal force. The heating plate in the main body 1 is used to maintain the temperature of the polyester resin, preventing the filtration efficiency of the polyester resin from being affected by the temperature reduction. At this time, the second motor 8 drives the scraper 7 to rotate. The polyester resin attached to the inner wall of the main body 1 and the outer surface of the filter cylinder 6 is scraped off by the scraping knife on the scraper 7, preventing the accumulation of polyester resin and affecting the quality of the final product and the filtration efficiency. After filtration is completed, the switch valve 10 is started. The filtered polyester resin is discharged from the discharging port 11 along the discharging channel 9. During this period, when the filter cylinder 6 is blocked or needs to be maintained regularly, the fastening bolt 12 on the top surface of the first motor 2 is unscrewed, the first motor 2 is lifted, the sealing snap ring 3 is separated from the clamping block 4, and the filter cylinder 6 is taken off from the limiting ring 5 for maintenance and cleaning.

[0028] On the basis of the above structure, in the embodiment, although the embodiment of the utility model has been shown and described, the specific embodiment is only the explanation of the utility model, and it is not the limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make non-creative contribution modification, replacement and variation of the embodiment according to the need after reading the specification without departing from the principles and purposes of the utility model, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A filtering device for polyester resins comprising a main body (1), characterized in that: The top surface of the main body (1) is provided with a first motor (2), and four corners of the top surface of the first motor (2) are threadedly connected with fastening bolts (12) penetrating into the inside of the main body (1), the bottom surface of the first motor (2) is connected with a sealing snap ring (3), the sealing snap ring (3) is tightly fitted with a clamping block (4) matched therewith, the bottom surface of the clamping block (4) is connected with a filter cartridge (6), and the filter cartridge (6) is located in the inside of the main body (1).

2. A filter device for polyester resins according to claim 1, characterized in that: The filter cartridge (6) is made of metal mesh which is resistant to high temperature, high pressure and strong impact force.

3. The filtering device for polyester resin according to claim 1, characterized in that: The top surface of the first motor (2) is provided with a feeding channel (13) penetrating the first motor (2), and the feeding channel (13) does not affect the normal operation of the first motor (2).

4. The filtering device for polyester resin according to claim 1, characterized in that: The inside of the main body (1) is provided with a heating plate for maintaining the temperature of the polyester resin.

5. The filtering device for polyester resins according to claim 1, characterized in that: The bottom surface of the main body (1) is provided with a second motor (8), and the output end of the second motor (8) located on the top surface is connected with a scraper (7) penetrating the bottom surface of the main body (1), the scraper (7) is in close contact with the outer surface of the filter cartridge (6) and the inner wall of the main body (1) at the scraper position, the top surface of the scraper (7) is connected with a limiting ring (5) in contact with the bottom surface of the clamping block (4), and the edge of the limiting ring (5) is in close contact with the outer surface of the filter cartridge (6) and the inner wall of the main body (1).

6. A filter device for polyester resins according to claim 5, characterized in that: The scraper (7) is made of stainless steel which has high strength, corrosion resistance and temperature resistance, and the scraper (7) is made of rubber which has good elasticity and flexibility at the scraper position.

7. The filtering device for polyester resins according to claim 1, characterized in that: The bottom surface of the main body (1) is provided with a discharging channel (9) penetrating the bottom surface of the main body (1), one end of the discharging channel (9) penetrating the main body (1) is provided with a discharging port (11), and a switch valve (10) is installed at the middle position of the discharging channel (9).