Polyvinylidene fluoride production material flushing device

By integrating a PLC control panel and a rinsing device, an efficient and flexible cleaning process is achieved in the production of polyvinylidene fluoride, solving the problem of limited cleaning effect in existing technologies and improving product quality.

CN223946357UActive Publication Date: 2026-02-27SHANDONG DE YI NEW MATERIALS CO LTD
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Patent Information

Application Number
CN202520392008.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-02-27
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

In the existing polyvinylidene fluoride (PVDF) production process, the cleaning equipment cannot meet the production requirements of high product quality. It mainly relies on the ratio control of the recycled material tank and deionized water, which has limited cleaning effect.

Method used

The system integrates components such as a PLC control panel, rinsing components, feeding hopper, feeding pipe, coagulation tank, and filter press. Through the cooperation of solenoid valves, liquid pumps, and drive motors, it achieves efficient cleaning process control. It utilizes the rotation of the rinsing shaft, cleaning frame, and heated stirring rod for cleaning, combined with real-time detection by an additive concentration detector, to achieve flexible cleaning procedures.

Benefits of technology

It improves the cleaning effect and the flexibility of the cleaning process, enabling targeted cleaning according to product quality requirements, ensuring product quality, and adapting to different cleaning needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of polyvinylidene fluoride production, and particularly discloses a polyvinylidene fluoride production material flushing device which comprises a barrel body, a PLC control panel is connected to the bottom of one end outside the barrel body, a feeding hopper is connected to one side of the top of the barrel body, and a flushing part is installed at the top of the barrel body. One end of the top of the barrel body is connected with a first feeding pipe, the top of the first feeding pipe is connected with a condensation barrel, and the other side of the bottom of the condensation barrel is connected with a second feeding pipe. A first electromagnetic valve on a first feeding pipe is started, materials in a condensation barrel are added into a barrel body, an infusion pump and a driving motor are started, external deionized water is pumped into the barrel body, a cleaning frame and a heating stirring rod rotate and operate, and an auxiliary concentration detector is started to detect the concentration of an auxiliary in the cleaning process till the concentration reaches the standard. And an electric valve on the discharge pipe is opened, and the material is discharged to a filter press for filter pressing.
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Description

TECHNICAL FIELD

[0001] The utility model relates to polyvinylidene fluoride production technical field, specifically is a kind of polyvinylidene fluoride production material flushing device. BACKGROUND

[0002] Polyvinylidene fluoride, alias polyvinyl fluoride, polyvinyl fluoride, polyvinylidene fluoride resin, polyvinylidene fluoride resin, etc., can resist the corrosion of most acids, alkalis, salts and organic solvents, can be used in chemical production to contact various strong corrosive substances, has good thermal stability, can be used at-60 DEG C-150 DEG C, and the melting point is about 170 DEG C, and the thermal decomposition temperature is greater than 316 DEG C, can withstand higher temperature environment

[0003] At present, in the production process of polyvinylidene fluoride, after the polymerization reaction is completed, the emulsion is first removed from the oligomer by the filtering device, then enters the cooling barrel for cooling, and then enters the coagulation barrel for coagulation, and then enters the primary pressure filter, and the filter cake of the primary pressure filter enters the return barrel for crushing and cleaning, and then is discharged to the secondary pressure filter for re-dewatering to obtain the product filter cake. The cleaning effect of the product directly affects the quality of the final product filter cake. The current cleaning device mainly controls the cleaning effect by adding the proportion of material and deionized water in the return barrel, which has great limitations and cannot meet the production requirements of high product quality. Therefore, we propose a polyvinylidene fluoride production material flushing device. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art, and provides a polyvinylidene fluoride production material flushing device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A polyvinylidene fluoride production material flushing device, comprising a barrel body, the bottom of one end of the barrel body is connected with a PLC control panel, one side of the top of the barrel body is connected with a feeding hopper, a flushing component is installed on the top of the barrel body, one end of the top of the barrel body is connected with a feeding pipe one, the top of the feeding pipe one is connected with a coagulation barrel, the other side of the bottom of the coagulation barrel is connected with a feeding pipe two, the side away from the coagulation barrel of the feeding pipe two is connected with a pressure filter, the bottom of the inner wall of the barrel body is connected with a plurality of auxiliary agent concentration detectors, the bottom of the barrel body is respectively connected with a liquid discharge pipe and a discharge pipe, the flushing component comprises a driving motor, the driving motor is externally sleeved with a support frame, the bottom of the support frame is connected with the top of the barrel body, the bottom of the output end of the driving motor is connected with a plurality of connecting rods, and the bottoms of the plurality of connecting rods are jointly connected with a flushing shaft.

[0007] Preferably, the top of the feeding pipe one and the feeding pipe two is respectively provided with an electromagnetic valve one, and the top of the liquid discharge pipe is provided with an electromagnetic valve two.

[0008] Preferably, an electric valve is mounted on the discharge pipe, a plurality of supporting legs are connected to the bottom of the barrel body, and a feeding opening is formed on one side of the top of the barrel body and used in cooperation with the feeding hopper.

[0009] Preferably, the bottom of the flushing shaft penetrates into the interior of the barrel body and is connected with a conical flushing disc, and the center of the bottom of the conical flushing disc is connected with a flushing rod.

[0010] Preferably, the top of the exterior of the flushing shaft and the exterior of the output end of the driving motor are movably sleeved with a connecting sleeve through a sealing bearing, a plurality of connecting rods are located in the interior of the connecting sleeve, a water injection pipe is connected to one side of the connecting sleeve, and the side, away from the connecting sleeve, of the water injection pipe is connected with a liquid pumping pump.

[0011] Preferably, a plurality of flushing holes are formed in the bottom and the exterior of the conical flushing disc and the exterior of the flushing rod, the exterior of the flushing rod is connected with a plurality of cleaning racks, and the inner wall of the cleaning rack is connected with a plurality of heating stirring rods.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a PLC control panel, flushing part, barrel body, feeding hopper, feeding pipe no. 1, condensation barrel, feeding pipe no. 2, filter press, liquid discharge pipe and discharge pipe cooperate, open electromagnetic valve no. 1 on feeding pipe no. 1, and the material in condensation barrel is added into the barrel body, and open liquid pumping pump and driving motor, and the deionized water of outside is pumped into the barrel body, and the cleaning rack and heating stirring rod rotate and operate, and electromagnetic valve no. 2 is opened at intervals during the cleaning process, and the liquid is discharged to the liquid discharge pipe, and then electromagnetic valve no. 2 is closed and the deionized water is supplemented, and the auxiliary agent concentration detector is opened to detect the auxiliary agent concentration during the cleaning process, and repeatedly cleaning until the auxiliary agent concentration reaches the standard, and the electric valve on the discharge pipe is opened, and the material is discharged to the filter press filtration. For the product of low quality requirement, electromagnetic valve no. 1 on feeding pipe no. 2 can also be directly opened, and the material in condensation barrel is directly sent into the filter press and is filtered, and the filter cake of unqualified cleaning quality can also be separately put into the barrel body through the feeding hopper again, and is further broken and cleaned, so that the product quality is improved, and the flexibility of the cleaning process is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a front view of the utility model Figure 1 ;

[0016] Figure 3 It is a flushing part structure exploded view of the utility model;

[0017] Figure 4 It is the utility modelFigure 3 a bottom view of the device.

[0018] In the figure: 1, PLC control panel; 2, flushing component; 21, liquid pumping pump; 22, water injection pipe; 23, conical flushing disc; 24, flushing shaft; 25, connecting sleeve; 26, support frame; 27, driving motor; 28, connecting rod; 29, flushing hole; 210, flushing rod; 211, cleaning frame; 212, heating stirring rod; 3, barrel body; 4, feeding hopper; 5, feeding pipe one; 6, condensation barrel; 7, feeding pipe two; 8, filter press; 9, liquid discharge pipe; 10, discharge pipe; 11, electromagnetic valve one; 12, electromagnetic valve two. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 the embodiments.

[0020] Please refer to Figures 1-4 A polyvinyl fluoride production material flushing device, including barrel body 3, the bottom of one end outside barrel body 3 is connected with PLC control panel 1, one side of the top of barrel body 3 is connected with feeding hopper 4, the top of barrel body 3 is installed with flushing component 2, one end of the top of barrel body 3 is connected with feeding pipe one 5, the top of feeding pipe one 5 is connected with condensation barrel 6, the other side of the bottom of condensation barrel 6 is connected with feeding pipe two 7, the side away from condensation barrel 6 of feeding pipe two 7 is connected with filter press 8, the bottom of the inner wall of barrel body 3 is connected with a plurality of auxiliary agent concentration detectors, the bottom of barrel body 3 is connected with liquid discharge pipe 9 and discharge pipe 10 respectively, flushing component 2 includes driving motor 27, the outside of driving motor 27 is provided with support frame 26, the bottom of support frame 26 is connected with the top of barrel body 3, the bottom of the output end of driving motor 27 is connected with a plurality of connecting rods 28, the bottom of a plurality of connecting rods 28 is connected with flushing shaft 24.

[0021] As a technical optimization scheme of the utility model, the top of feeding pipe one 5 and feeding pipe two 7 is installed with electromagnetic valve one 11, the top of liquid discharge pipe 9 is installed with electromagnetic valve two 12, through the opening of electromagnetic valve two 12, liquid discharge pipe 9 has the function of discharging liquid.

[0022] As a technical optimization scheme of the utility model, discharge pipe 10 is installed with electric valve, the bottom outside barrel body 3 is connected with a plurality of supporting legs, one side of the top of barrel body 3 is provided with feeding opening matched with feeding hopper 4, through feeding opening, material is conveniently added into barrel body 3 through feeding hopper 4.

[0023] As a technical optimization scheme of the utility model, the bottom of the flushing shaft 24 penetrates to the inside of the barrel body 3 and is connected with the conical flushing disc 23, and the center of the bottom of the conical flushing disc 23 is connected with the flushing rod 210.

[0024] As a technical optimization scheme of the utility model, the top of the outside of the flushing shaft 24 and the outside of the output end of the driving motor 27 are commonly movably sleeved with the connecting sleeve 25 through the sealing bearing, the plurality of connecting rods 28 are located in the inside of the connecting sleeve 25, one side of the connecting sleeve 25 is connected with the water injection pipe 22, and the side, away from the connecting sleeve 25, of the water injection pipe 22 is connected with the liquid pumping pump 21; through the connecting rod 28, the output end of the driving motor 27 can be connected with the flushing shaft 24, so that when the driving motor 27 rotates, the flushing shaft 24 cannot rotate.

[0025] As a technical optimization scheme of the utility model, the bottom and the outside of the conical flushing disc 23 and the outside of the flushing rod 210 are all penetrated with a plurality of flushing holes 29, and the outside of the flushing rod 210 is connected with a plurality of cleaning racks 211, and the inner wall of the cleaning rack 211 is connected with a plurality of heating stirring rods 212; through the cooperation of the heating stirring rod 212 and the cleaning rack 211, the liquid in the barrel body 3 can be mixed and stirred, and the liquid in the barrel body 3 can also be heated by the heating stirring rod 212, so that the temperature of the liquid reaches the best.

[0026] In use, the electromagnetic valve one 11 on the feeding pipe one 5 is opened, the material in the condensation barrel 6 is added into the barrel body 3, and the electromagnetic valve one 11 is closed after the material is added; the liquid pumping pump 21 and the driving motor 27 are opened, and the deionized water outside is pumped into the barrel body 3, the cleaning rack 211 and the heating stirring rod 212 rotate and operate, the deionized water is discharged into the barrel body 3 through the flushing hole 29, the auxiliary agent concentration detector is opened to detect the auxiliary agent concentration in the cleaning process, the electromagnetic valve two 12 is opened or closed according to the change of the auxiliary agent concentration, the electromagnetic valve two 12 is opened to discharge the liquid through the liquid discharge pipe 9 when the auxiliary agent concentration is stable to a certain value during cleaning, the electromagnetic valve two 12 is closed after the cleaning liquid is discharged, then the deionized water is supplemented, and the above operation is repeated after cleaning until the cleaning liquid auxiliary agent concentration is stable and up to standard, the electric valve on the discharging pipe 10 is opened, the material is discharged to be pressed and filtered by the filter press 8, of course, another filter press can be additionally arranged to be connected with the discharging pipe to perform the pressing and filtering operation, if the filter cake after pressing and filtering is unqualified, the filter cake is put into the barrel body 3 through the feeding hopper 4 to be crushed and cleaned again, of course, a separate crushing paddle can be additionally arranged in the barrel body 3 to increase the crushing effect. Further, for the product with low quality requirement, the electromagnetic valve one 11 on the feeding pipe two 7 can be directly opened to send the material in the condensation barrel 6 into the filter press 8 to be pressed and filtered, or the low-quality filter cake can be put into the barrel body 3 through the feeding hopper 4 to be further crushed and cleaned, and the cleaning effect and the flexibility of the cleaning process are greatly improved through the above cleaning mode.

[0027] The above merely is the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art, according to the technical scheme and the application concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, all should be covered in the protection scope of the present application.

Claims

1. A polyvinylidene fluoride production material flushing device comprising a barrel (3), characterized in that: The bottom of one end of the barrel body (3) is connected with a PLC control panel (1), one side of the top of the barrel body (3) is connected with a feeding hopper (4), the top of the barrel body (3) is provided with a flushing part (2), one end of the top of the barrel body (3) is connected with a feeding pipe I (5), the top of the feeding pipe I (5) is connected with a condensation barrel (6), the other side of the bottom of the condensation barrel (6) is connected with a feeding pipe II (7), the side away from the condensation barrel (6) of the feeding pipe II (7) is connected with a filter press (8), the inner wall of the bottom of the barrel body (3) is connected with a plurality of auxiliary agent concentration detectors, the bottom of the barrel body (3) is respectively connected with a liquid discharge pipe (9) and a discharge pipe (10), the flushing part (2) comprises a driving motor (27), the outer portion of the driving motor (27) is sleeved with a support frame (26), the bottom of the support frame (26) is connected with the top of the barrel body (3), the bottom of the output end of the driving motor (27) is connected with a plurality of connecting rods (28), and the bottoms of the plurality of connecting rods (28) are jointly connected with a flushing shaft (24).

2. The polyvinylidene fluoride production material flushing device according to claim 1, characterized by: The top of the feeding pipe I (5) and the feeding pipe II (7) is provided with an electromagnetic valve I (11), and the top of the liquid discharge pipe (9) is provided with an electromagnetic valve II (12).

3. The polyvinylidene fluoride production material flushing device according to claim 1, characterized by: The discharge pipe (10) is provided with an electric valve, the bottom of the barrel body (3) is connected with a plurality of supporting legs, and one side of the top of the barrel body (3) is provided with a feeding opening matched with the feeding hopper (4).

4. The polyvinylidene fluoride production material flushing device according to claim 1, characterized by: The bottom of the flushing shaft (24) penetrates into the inside of the barrel body (3) and is connected with a conical flushing disc (23), and the center of the bottom of the conical flushing disc (23) is connected with a flushing rod (210).

5. The polyvinylidene fluoride production material flushing device according to claim 1, characterized by: The top of the outside of the flushing shaft (24) and the outside of the output end of the driving motor (27) are jointly movably sleeved with a connecting sleeve (25) through sealing bearings, the plurality of connecting rods (28) are located in the inside of the connecting sleeve (25), one side of the connecting sleeve (25) is connected with a water injection pipe (22), and the side away from the connecting sleeve (25) of the water injection pipe (22) is connected with a liquid pump (21).

6. A polyvinylidene fluoride production material flushing device according to claim 4, characterized in that: The bottom and the outside of the conical flushing disc (23) and the outside of the flushing rod (210) are all provided with a plurality of flushing holes (29), and the outside of the flushing rod (210) is connected with a plurality of cleaning frames (211), and the inner wall of the cleaning frame (211) is connected with a plurality of heating stirring rods (212).