Anti-blocking chemical intermediate filtering device

Abstract

The utility model relates to the technical field of chemical intermediate filtering, and discloses an anti-clogging chemical intermediate filtering device, which comprises a filter cartridge body, a filter screen fixing ring is fixedly arranged in the filter cartridge body, and attachments on the surface can be gradually contacted with an arc-shaped scraping plate through the rotation of a filter screen, so that the surface of the arc-shaped scraping plate is prevented from being clogged. When the material in the filter cartridge body is pressed, the material is uniformly drawn close to the discharge pipeline under the action of the arc-shaped scraper until the material covers the discharge pipeline, and pressure can be applied to the material in the filter cartridge body by starting the filter pressurizing device next time, so that residues covering the discharge pipeline can enter the discharge pipeline, and at the moment, the control valve is opened, and the material is discharged. And residues can be discharged into the impurity collecting box to be collected, the filter screen can be effectively cleaned through the arranged impurity scraping assembly, and blockage caused by too many attachments on the filter screen is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical intermediate filtering, in particular to an anti-clogging chemical intermediate filtering device. Background Art

[0002] The so-called drug intermediates are actually some chemical raw materials or chemical products used in the process of drug synthesis. This kind of chemical product does not require a drug production license and can be produced in an ordinary chemical plant. As long as it reaches the specified level, it can be used in drug synthesis.

[0003] After a period of use, the traditional drug intermediate filtration system will become clogged due to excessive attachments on the filter screen. If it is not cleaned in time, the efficiency of drug filtration will be reduced. This often requires manual regular cleaning of the filter screen, which not only increases labor intensity, but may also lead to incomplete or untimely cleaning. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides an anti-clogging chemical intermediate filtering device, which solves the problem that after a period of use, the traditional drug intermediate filtering system will be clogged due to excessive attachments on the filter screen, which will reduce the efficiency of drug filtration if not cleaned in time.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-clogging chemical intermediate filtering device, comprising a filter cartridge body, a filter screen fixing ring is fixedly installed in the filter cartridge body, a filter screen is fixedly connected to the filter screen fixing ring, the filter screen is used to filter the chemical intermediate, a feed port is fixedly connected to the filter cartridge body, the feed port is used to feed, and a filter pressurizing device is arranged on the filter cartridge body, the filter pressurizing device is used to pressurize and filter the chemical intermediate in the filter cartridge body;

[0008] A discharge pipe is provided on a rotating sleeve at the center of the filter screen. The lower end of the discharge pipe extends out of the outer surface of the filter cartridge body and is fixedly connected to an impurity collection box, which is used to collect attachments on the filter screen. A control valve is fixedly connected to the discharge pipe, which is used to control the opening and closing of the discharge pipe.

[0009] The filter cartridge body is provided with an impurity scraping assembly, which is used to remove impurities that clog the filter screen;

[0010] The impurity scraping assembly includes two rotating columns, which are respectively rotatably connected to the two sides of the filter cartridge body. Both rotating columns rotate and penetrate into the filter cartridge body. An arc scraper is fixedly connected between the two rotating columns. The arc scraper is arranged to fit the outer surface of the filter screen. The arc scraper is used to scrape off the auxiliary materials remaining on the filter screen.

[0011] Preferably, a C-shaped fixing ring is provided on the outer surface of the filter cartridge body, both ends of the C-shaped fixing ring are fixedly connected to one end of two rotating columns respectively, and the middle end of the C-shaped fixing ring is rotatably connected to an arc-shaped connecting rod.

[0012] Preferably, a servo motor is fixedly mounted on the outer surface of the filter cartridge body, a wheel disc is fixedly sleeved on the outer surface of the output shaft of the servo motor, a fixed shaft is fixedly connected to the edge of the outer surface of the wheel disc, and one end of the arc-shaped connecting rod away from the C-shaped fixing ring is rotatably connected to the fixed shaft.

[0013] Preferably, the outer surface of the filter screen fixing ring is provided with tooth grooves, the outer surface of the filter cartridge body is fixedly connected to two gear fixing plates, the outer surface of the filter cartridge body is provided with meshing grooves, and the meshing grooves are located between the two gear fixing plates.

[0014] Preferably, a gear is rotatably connected between the two gear fixing plates, the gear is meshed with the tooth groove through an engagement groove, and a gear motor is fixedly mounted on the outer surface of the filter cartridge body.

[0015] Preferably, the output shaft of the gear motor is fixedly inserted into the gear, the gear motor is used to drive the filter screen to rotate, and the lower surface of the filter cylinder body is fixedly connected with a material receiving box, which is used to collect materials.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides an anti-clogging chemical intermediate filtering device, which has the following beneficial effects:

[0018] 1. The anti-clogging chemical intermediate filtering device can make the attached matter on the surface gradually contact with the arc scraper through the rotation of the filter screen, and evenly move towards the discharge pipe under the action of the arc scraper until it covers the discharge pipe. By starting the next filter pressurizing device, pressure can be applied to the material in the filter cartridge body, so that the residue covering the discharge pipe can enter the discharge pipe. At this time, the control valve is opened to discharge the residue into the impurity collection box for collection. The impurity scraping component can effectively clean the filter screen, avoiding blockage caused by too many attachments on the filter screen, ensuring that the attachments on the filter screen are evenly and thoroughly cleaned, greatly improving the cleaning efficiency and production stability.

[0019] 2. The anti-clogging chemical intermediate filtering device, through the design of the impurity scraping component, enables the attachments on the chemical filter to be effectively scraped off and pushed to the discharge pipe, thereby realizing automatic cleaning of the filter, avoiding the traditional filtering system that often requires manual regular cleaning of the filter, which increases labor intensity and may also lead to incomplete or untimely cleaning, thereby improving the efficiency of the entire production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the internal cross-sectional structure of the utility model;

[0022] Figure 3 For this utility model Figure 2 Enlarged schematic diagram at point A in the middle.

[0023] In the figure: 1. filter cartridge body; 2. filter screen fixing ring; 3. filter screen; 4. discharge pipe; 5. rotating column; 6. arc scraper; 7. C-shaped fixing ring; 8. arc connecting rod; 9. servo motor; 10. wheel; 11. fixed shaft; 12. tooth groove; 13. meshing groove; 14. gear fixing plate; 15. gear; 16. gear motor; 17. material collecting box; 18. impurity collecting box; 19. control valve; 20. filter pressurizing device; 21. feed inlet. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-3 The utility model provides a new technical solution: an anti-clogging chemical intermediate filtering device, comprising a filter cartridge body 1, a filter screen fixing ring 2 is fixedly installed in the filter cartridge body 1, a filter screen 3 is fixedly connected to the filter screen fixing ring 2, the filter screen 3 is used to filter the chemical intermediate, a feed port 21 is fixedly connected to the filter cartridge body 1, the feed port 21 is used for feeding, and a filter pressurizing device 20 is arranged on the filter cartridge body 1, and the filter pressurizing device 20 is used to pressurize and filter the chemical intermediate in the filter cartridge body 1;

[0026] A discharge pipe 4 is rotatably sleeved at the center of the filter screen 3. The lower end of the discharge pipe 4 extends out of the outer surface of the filter cartridge body 1 and is fixedly connected to an impurity collection box 18. The impurity collection box 18 is used to collect attachments on the filter screen 3. A control valve 19 is fixedly connected to the discharge pipe 4. The control valve 19 is used to control the opening and closing of the discharge pipe 4.

[0027] The filter cartridge body 1 is provided with an impurity scraping assembly, which is used to remove impurities that clog the filter screen 3;

[0028] The impurity scraping assembly includes two rotating columns 5, which are rotatably connected to the two sides of the filter cartridge body 1 respectively. Both rotating columns 5 rotate and penetrate into the filter cartridge body 1. An arc scraper 6 is fixedly connected between the two rotating columns 5. The arc scraper 6 is arranged to fit the outer surface of the filter screen 3. The arc scraper 6 is used to scrape off the auxiliary materials remaining on the filter screen 3.

[0029] Furthermore, a C-shaped fixing ring 7 is provided on the outer surface of the filter cartridge body 1 , both ends of the C-shaped fixing ring 7 are fixedly connected to one end of the two rotating columns 5 , respectively, and an arc-shaped connecting rod 8 is rotatably connected to the middle end of the C-shaped fixing ring 7 .

[0030] Furthermore, a servo motor 9 is fixedly installed on the outer surface of the filter cartridge body 1, a wheel disc 10 is fixedly sleeved on the outer surface of the output shaft of the servo motor 9, a fixed shaft 11 is fixedly connected to the edge position of the outer surface of the wheel disc 10, and the end of the arc connecting rod 8 away from the C-shaped fixing ring 7 is rotatably connected to the fixed shaft 11.

[0031] Furthermore, a tooth groove 12 is formed on the outer surface of the filter screen fixing ring 2 , two gear fixing plates 14 are fixedly connected to the outer surface of the filter cartridge body 1 , and an engagement groove 13 is formed on the outer surface of the filter cartridge body 1 , and the engagement groove 13 is located between the two gear fixing plates 14 .

[0032] Furthermore, a gear 15 is rotatably connected between the two gear fixing plates 14 , and the gear 15 is meshed with the tooth groove 12 via the meshing groove 13 . A gear motor 16 is fixedly mounted on the outer surface of the filter cartridge body 1 .

[0033] Furthermore, the output shaft of the gear motor 16 is fixedly inserted into the gear 15, and the gear motor 16 is used to drive the filter screen 3 to rotate. The lower surface of the filter cylinder body 1 is fixedly connected with a material receiving box 17, and the material receiving box 17 is used to collect materials.

[0034] Furthermore, when in use, the filter pressurizing device 20 is started to apply pressure to the material in the filter cartridge body 1, so that the material can be filtered through the filter screen 3 and enter the material receiving box 17. When too much attachment remains on the filter screen 3, the gear motor 16 is started, and the output shaft of the gear motor 16 drives the filter screen 3 on the filter screen fixing ring 2 to rotate through the gear 15 and the tooth groove 12. When the filter screen 3 rotates, the servo motor 9 is started, and the output shaft of the servo motor 9 drives one end of the arc connecting rod 8 to rotate through the wheel disc 10 and the fixed shaft 11 thereon. When one end of the arc connecting rod 8 rotates, it will drive the arc scraper 6 to rotate a certain angle through the C-shaped fixing ring 7 and the two rotating columns 5. When the arc scraper 6 rotates, it will gradually fit with the filter screen 3, so that the arc scraper 6 is in contact with the attachments on the filter screen 3. , and pushes the attachments to the discharge pipe 4 at the center of the filter screen 3. Due to the rotation of the filter screen 3, the attachments on the surface can gradually contact the arc scraper 6, and under the action of the arc scraper 6, evenly move closer to the discharge pipe 4 until covering the discharge pipe 4. By starting the next filter pressurizing device 20, pressure can be applied to the material in the filter cartridge body 1, so that the residues covered on the discharge pipe 4 can enter the discharge pipe 4. At this time, the control valve 19 is opened to discharge the residues into the impurity collection box 18 for collection. The impurity scraping component set up can make the filter screen 3 effectively cleaned, avoiding blockage caused by too many attachments on the filter screen 3, ensuring that the attachments on the filter screen 3 are evenly and thoroughly cleaned, greatly improving the cleaning efficiency and production stability.

[0035] Furthermore, through the design of the impurity scraping component, the attachments on the filter 3 can be effectively scraped off and pushed to the discharge pipe 4, thereby realizing automatic cleaning of the filter, avoiding the traditional filtration system that often requires manual regular cleaning of the filter, which increases labor intensity and may also lead to incomplete or untimely cleaning, thereby improving the efficiency of the entire production process.

[0036] Working principle: When in use, the filter pressurizing device 20 is started to apply pressure to the material in the filter cartridge body 1, so that the material can be filtered through the filter screen 3 and enter the material receiving box 17. When too much attachment remains on the filter screen 3, the gear motor 16 is started, and the output shaft of the gear motor 16 drives the filter screen 3 on the filter screen fixing ring 2 to rotate through the gear 15 and the tooth groove 12. When the filter screen 3 rotates, the servo motor 9 is started, and the output shaft of the servo motor 9 drives one end of the arc connecting rod 8 to rotate through the wheel disc 10 and the fixed shaft 11 thereon. When one end of the arc connecting rod 8 rotates, it drives the arc scraper 6 to rotate through the C-shaped fixing ring 7 and the two rotating columns 5. At a certain angle, when the arc scraper 6 rotates, it will gradually fit with the filter screen 3, so that the arc scraper 6 contacts the attachments on the filter screen 3 and pushes the attachments to the discharge pipe 4 in the center of the filter screen 3. Due to the rotation of the filter screen 3, the attachments on the surface can gradually contact the arc scraper 6, and under the action of the arc scraper 6, they are evenly moved closer to the discharge pipe 4 until they are covered on the discharge pipe 4. By starting the filter pressurizing device 20 next time, pressure can be applied to the material in the filter cartridge body 1, so that the residues covering the discharge pipe 4 can enter the discharge pipe 4. At this time, the control valve 19 is opened to discharge the residues into the impurity collection box 18 for collection.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A chemical intermediate filtration device that prevents clogging, characterized in that: The filter cartridge body (1) comprises a filter screen fixing ring (2) fixedly installed in the filter cartridge body (1), a filter screen (3) fixedly connected to the filter screen fixing ring (2), the filter screen (3) being used to filter chemical intermediates, a feed port (21) fixedly connected to the filter cartridge body (1), the feed port (21) being used to feed materials, and a filter pressurizing device (20) being arranged on the filter cartridge body (1), the filter pressurizing device (20) being used to apply pressure to filter the chemical intermediates in the filter cartridge body (1); A discharge pipe (4) is rotatably sleeved at the center of the filter screen (3); the lower end of the discharge pipe (4) extends out of the outer surface of the filter cartridge body (1) and is fixedly connected to an impurity collection box (18); the impurity collection box (18) is used to collect attachments on the filter screen (3); a control valve (19) is fixedly connected to the discharge pipe (4); the control valve (19) is used to control the opening and closing of the discharge pipe (4); An impurity scraping assembly is provided on the filter cartridge body (1), and the impurity scraping assembly is used to remove impurities that clog the filter screen (3); The impurity scraping assembly comprises two rotating columns (5), the two rotating columns (5) are respectively rotatably connected to the two sides of the filter cartridge body (1), the two rotating columns (5) are both rotatably penetrated into the filter cartridge body (1), an arc-shaped scraper (6) is fixedly connected between the two rotating columns (5), the arc-shaped scraper (6) is arranged to fit the outer surface of the filter screen (3), and the arc-shaped scraper (6) is used to scrape the auxiliary materials remaining on the filter screen (3).

2. The anti-clogging chemical intermediate filtering device according to claim 1, characterized in that: The outer surface of the filter cartridge body (1) is provided with a C-shaped fixing ring (7), the two ends of the C-shaped fixing ring (7) are respectively fixedly connected to one end of the two rotating columns (5), and the middle end of the C-shaped fixing ring (7) is rotatably connected to an arc-shaped connecting rod (8).

3. The anti-clogging chemical intermediate filtering device according to claim 2, characterized in that: A servo motor (9) is fixedly mounted on the outer surface of the filter cartridge body (1); a wheel disc (10) is fixedly sleeved on the outer surface of the output shaft of the servo motor (9); a fixed shaft (11) is fixedly connected to the edge of the outer surface of the wheel disc (10); and one end of the arc-shaped connecting rod (8) away from the C-shaped fixing ring (7) is rotatably connected to the fixed shaft (11).

4. The anti-clogging chemical intermediate filtering device according to claim 1, characterized in that: The outer surface of the filter screen fixing ring (2) is provided with tooth grooves (12), the outer surface of the filter cartridge body (1) is fixedly connected to two gear fixing plates (14), the outer surface of the filter cartridge body (1) is provided with meshing grooves (13), and the meshing grooves (13) are located between the two gear fixing plates (14).

5. The anti-clogging chemical intermediate filtering device according to claim 4, characterized in that: A gear (15) is rotatably connected between the two gear fixing plates (14), and the gear (15) is meshed with the tooth groove (12) through the meshing groove (13). A gear motor (16) is fixedly mounted on the outer surface of the filter cartridge body (1).

6. The anti-clogging chemical intermediate filtering device according to claim 5, characterized in that: The output shaft of the gear motor (16) is fixedly inserted into the gear (15), and the gear motor (16) is used to drive the filter screen (3) to rotate. The lower surface of the filter cartridge body (1) is fixedly connected with a material collecting box (17), and the material collecting box (17) is used to collect materials.

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