A pesticide intermediate impurity filtering device

Abstract

The utility model relates to pesticide impurity filtration technical field, and disclose a kind of pesticide intermediate impurity filter device, the inside of outer cylinder is equipped with filter cartridge, the bottom of filter cartridge is fixedly installed with discharge pipe and is penetrated through outer cylinder, by setting drive motor in the bottom of outer cylinder and driving No. gear rotation, and utilize gear to make No. gear and discharge pipe rotate, further drive filter cartridge rotate in outer cylinder around limit ring plate, when filter cartridge rotates, pesticide intermediate is from feed pipe and enters filter cartridge through guide chute, material moves in the inside of filter cartridge under centrifugal force, impurity is intercepted in filter cartridge inner wall, filtrate passes through filter cartridge and flows to the bottom of outer cylinder and is discharged from liquid outlet pipe, the rotation of filter cartridge makes material evenly distributed in filter cartridge inner wall, increases effective filtration area, avoids local blockage, simultaneously, centrifugal force accelerates solid-liquid separation, significantly improves filtration efficiency, satisfies large-scale continuous production demand.

Description

Technical Field

[0001] This utility model relates to the field of pesticide impurity filtration technology, and in particular to a pesticide intermediate impurity filtration device. Background Technology

[0002] Pesticide intermediates are chemical substances produced from chemical raw materials through a series of chemical reactions during the pesticide synthesis process. They are used to produce pesticides and can be further converted into pesticide active ingredients with insecticidal, herbicidal, or fungicidal functions through subsequent chemical reactions.

[0003] Currently, most traditional pesticide intermediate impurity filtration devices use fixed filter screens, which rely mainly on gravity or pressure to force the liquid through the screen, and the impurities are intercepted on the screen surface. However, the filtration area of ​​fixed filter screens is limited, and the material is unevenly distributed on the screen, which can easily lead to local blockage and low filtration efficiency. This makes it difficult to meet the needs of large-scale continuous production. In addition, the cleaning and replacement process of fixed filter screens is cumbersome, requiring shutdown and disassembly, which increases equipment maintenance costs and production time costs. Utility Model Content

[0004] Fixed filters have limited filtration area and uneven material distribution, which can easily lead to localized blockages and low filtration efficiency, making them unsuitable for large-scale continuous production. Furthermore, the cleaning and replacement of fixed filters are cumbersome and require downtime, increasing equipment maintenance and production time costs. This invention provides a pesticide intermediate impurity filtration device that offers high filtration efficiency and easy cleaning, thus solving the problems mentioned in the background art.

[0005] This utility model provides the following technical solution: a pesticide intermediate impurity filtration device, comprising an outer cylinder, a filter cylinder inside the outer cylinder, a discharge pipe fixedly installed through the bottom of the filter cylinder, a support plate fixedly installed at the bottom of the outer cylinder, a drive motor installed at the upper end of the support plate, a second gear fixedly installed in the middle of the discharge pipe, a gear belt meshing with the surface of the second gear, a first gear meshing with the inner side of the other end of the gear belt, the output end of the drive motor being connected to the upper end of the first gear via a coupling, a limiting ring plate fixedly installed at the upper end of the inner wall of the outer cylinder, two fixing plates fixedly installed at the upper end of the filter cylinder, the limiting ring plate being disposed between the two fixing plates, and the upper end of the filter cylinder being rotatably mounted inside the limiting ring plate via the fixing plates, a support base provided at the bottom of the outer cylinder, and the discharge pipe penetrating through the bottom of the support base.

[0006] Preferably, a guide hopper is fixedly installed on the upper end of the inner wall of the outer cylinder, and a feed pipe is fixedly installed through the upper end of the outer cylinder. The bottom dimension of the feed pipe is smaller than the upper opening of the filter cylinder and extends into the inner side of the filter cylinder.

[0007] By setting up the guide hopper, the material conveyed by the feed pipe is concentrated and guided to the upper end of the filter cylinder, so that the material enters the filtration area evenly and improves the filtration stability.

[0008] Preferably, the upper end of the limiting ring plate is provided with an annular tube, and a plurality of cleaning tubes are fixedly installed at the bottom of the annular tube. The bottom of the cleaning tubes penetrates the limiting ring plate and is fixedly installed at the bottom of the outer cylinder.

[0009] By setting up the annular pipe, a uniform source of cleaning fluid is provided to the cleaning pipe, ensuring that the backwash nozzles provide comprehensive cleaning coverage and balanced pressure on the outer surface of the filter cartridge.

[0010] Preferably, a plurality of backflush nozzles are fixedly installed on the surface of the cleaning pipe, and the inner side of the plurality of backflush nozzles corresponds to the outer surface of the filter cartridge.

[0011] By using backflushing nozzles, cleaning fluid is sprayed onto the outer surface of the filter cartridge to dynamically flush away attached impurities, enabling online cleaning without stopping the machine and simplifying the maintenance process.

[0012] Preferably, a water inlet pipe is fixedly installed on one side of the annular pipe, and the other end of the water inlet pipe passes through the outer cylinder and is connected to an external output pump.

[0013] By connecting the external output pump to the annular pipe through the water inlet pipe, a stable input of cleaning fluid is provided to the cleaning mechanism, ensuring the continuous operation of the filter cartridge online cleaning function.

[0014] Preferably, multiple connecting bolts are threaded at the connection between the outer cylinder and the support base, the bottom of the outer cylinder is detachably mounted on the upper end of the support base via the connecting bolts, and a liquid outlet pipe is fixedly installed at the bottom of the outer cylinder.

[0015] By using connecting bolts, the outer cylinder and the support base can be detachably connected, which facilitates quick disassembly of the outer cylinder for in-depth maintenance or replacement of the filter cartridge, thus improving the convenience of equipment maintenance.

[0016] This utility model has the following advantages:

[0017] 1. By setting a drive motor at the bottom of the outer cylinder to drive the first gear to rotate, and using a gear belt to drive the second gear and the discharge pipe to rotate, the filter cylinder is driven to rotate around the limiting ring plate inside the outer cylinder. When the filter cylinder rotates, the pesticide intermediate enters the filter cylinder from the feed pipe through the guide hopper. Under the action of centrifugal force, the material moves inside the filter cylinder, and impurities are intercepted on the inner wall of the filter cylinder. The filtrate flows through the filter cylinder to the bottom of the outer cylinder and is discharged from the outlet pipe. The rotation of the filter cylinder makes the material evenly distributed on the inner wall of the filter cylinder, increasing the effective filtration area and avoiding local blockage. At the same time, the centrifugal force accelerates solid-liquid separation, significantly improving filtration efficiency and meeting the needs of large-scale continuous production.

[0018] 2. By setting up a cleaning mechanism consisting of an annular pipe, an inlet pipe, a cleaning pipe, and a backwash nozzle, when the filter cartridge needs to be cleaned, the external output pump delivers cleaning fluid into the annular pipe through the inlet pipe. The cleaning fluid is then sprayed out from the backwash nozzle through the cleaning pipe. The spray direction of the backwash nozzle and the rotation of the filter cartridge form a rotating cleaning effect, thereby efficiently flushing away impurities attached to the outer surface of the filter cartridge. The wastewater after cleaning is discharged from the bottom of the support base through the discharge pipe. There is no need to stop the machine to disassemble the filter cartridge, realizing online cleaning, simplifying the maintenance process, and reducing equipment maintenance costs and production time costs. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the outer cylinder of this utility model;

[0021] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0022] Figure 4 This is a schematic diagram of the outer structure of the filter cartridge of this utility model;

[0023] Figure 5 This is a schematic diagram of the novel structure of the utility model support base.

[0024] In the diagram: 1. Outer cylinder; 2. Support base; 3. Filter cylinder; 4. Guide hopper; 5. Feed pipe; 6. Limiting ring plate; 7. Fixing plate; 8. Discharge pipe; 9. Support plate; 10. Drive motor; 11. Gear No. 1; 12. Gear No. 2; 13. Gear belt; 14. Annular pipe; 15. Water inlet pipe; 16. Cleaning pipe; 17. Backflush nozzle; 18. Liquid outlet pipe; 19. Connecting bolts. Detailed Implementation

[0025] 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.

[0026] Please see Figures 1-5 A pesticide intermediate impurity filtration device includes an outer cylinder 1, a filter cylinder 3 inside the outer cylinder 1, a discharge pipe 8 fixedly installed at the bottom of the filter cylinder 3 through the outer cylinder 1, and a support plate 9 fixedly installed at the bottom of the outer cylinder 1. Through the discharge pipe 8, the impurities intercepted in the filter cylinder 3 can be discharged from the bottom after the filter cylinder 3 rotates. The support plate 9 provides installation support for the drive motor 10, ensuring stable operation of the transmission mechanism. Valves are provided inside the discharge pipe 8 and the liquid outlet pipe 18 to control the discharge rhythm and prevent liquid leakage during the filtration process.

[0027] A drive motor 10 is mounted on the upper end of the support plate 9. A second gear 12 is fixedly mounted in the middle of the discharge pipe 8. A gear belt 13 is meshed on the surface of the second gear 12. A first gear 11 is meshed on the inner side of the other end of the gear belt 13. The output end of the drive motor 10 is connected to the upper end of the first gear 11 through a coupling. By setting the drive motor 10 at the bottom of the outer cylinder 1 to drive the first gear 11 to rotate, and using the gear belt 13 to drive the second gear 12 and the discharge pipe 8 to rotate, the filter cylinder 3 is driven to rotate around the limiting ring plate 6 inside the outer cylinder 1. A limiting ring plate 6 is fixedly installed on the upper end of the inner wall of the outer cylinder 1. When the filter cylinder 3 rotates, the pesticide intermediate enters the filter cylinder 3 from the feed pipe 5 through the guide hopper 4. The material moves inside the filter cylinder 3 under the action of centrifugal force. Impurities are intercepted on the inner wall of the filter cylinder 3. The filtrate flows through the filter cylinder 3 to the bottom of the outer cylinder 1 and is discharged from the outlet pipe 18. The rotation of the filter cylinder 3 makes the material evenly distributed on the inner wall of the filter cylinder 3, increasing the effective filtration area and avoiding local blockage. At the same time, the centrifugal force accelerates the solid-liquid separation, significantly improving the filtration efficiency and meeting the needs of large-scale continuous production.

[0028] Two fixing plates 7 are fixedly installed at the upper end of the filter cylinder 3. A limiting ring plate 6 is located between the two fixing plates 7, and the upper end of the filter cylinder 3 is rotatably installed on the inner side of the limiting ring plate 6 through the fixing plates 7. A support base 2 is provided at the bottom of the outer cylinder 1, and the discharge pipe 8 passes through the bottom of the support base 2, so that the filter cylinder 3 can rotate stably around the central axis of the limiting ring plate 6. At the same time, it provides radial support for the filter cylinder 3, ensuring that it remains balanced when rotating, so as to achieve uniform distribution of materials in the filter cylinder 3 and stable centrifugal filtration process.

[0029] Please see Figures 2-4A guide hopper 4 is fixedly installed on the upper end of the inner wall of the outer cylinder 1. A feed pipe 5 is fixedly installed through the upper end of the outer cylinder 1. The bottom size of the feed pipe 5 is smaller than the upper opening of the filter cylinder 3 and extends into the inner side of the filter cylinder 3. An annular pipe 14 is provided on the upper end of the limiting ring plate 6. Multiple cleaning pipes 16 are fixedly installed at the bottom of the annular pipe 14.

[0030] The bottom of the cleaning pipe 16 passes through the limiting ring plate 6 and is fixedly installed at the bottom of the outer cylinder 1. Multiple backwash nozzles 17 are fixedly installed on the surface of the cleaning pipe 16. The inner side of the multiple backwash nozzles 17 corresponds to the outer surface of the filter cylinder 3. A water inlet pipe 15 is fixedly installed on one side of the annular pipe 14. The other end of the water inlet pipe 15 passes through the outer cylinder 1 and is connected to an external output pump. By setting up a cleaning mechanism consisting of annular pipe 14, water inlet pipe 15, cleaning pipe 16 and backwash nozzles 17, when the filter cylinder 3 needs to be cleaned, the external output pump delivers cleaning liquid into the annular pipe 14 through the water inlet pipe 15. The cleaning liquid is sprayed out from the backwash nozzles 17 through the cleaning pipe 16. The spray direction of the backwash nozzles 17 forms a rotation cleaning with the rotation of the filter cylinder 3, thereby efficiently flushing the impurities attached to the outer surface of the filter cylinder 3. The wastewater after cleaning is discharged from the bottom of the support base 2 through the discharge pipe 8. The filter cylinder 3 does not need to be disassembled by stopping the machine, realizing online cleaning, simplifying the maintenance process, and reducing equipment maintenance costs and production time costs.

[0031] Multiple connecting bolts 19 are threaded at the connection between the outer cylinder 1 and the support base 2. The bottom of the outer cylinder 1 can be detachably installed on the upper end of the support base 2 via the connecting bolts 19. The bottom of the outer cylinder 1 is fixedly installed with a liquid outlet pipe 18. During maintenance, the outer cylinder 1 can be quickly separated by loosening the bolts, which facilitates the inspection, cleaning or replacement of the filter cartridge 3, simplifies the maintenance process and improves the convenience and efficiency of equipment maintenance. The valve inside the liquid outlet pipe 18 can control the discharge speed of the filtrate and adjust the flow rate in accordance with the filtration rhythm to ensure stable output of the filtrate.

[0032] Working principle: In actual use, the pesticide intermediate mixture is first transported into the outer cylinder 1 through the feed pipe 5, and guided to the upper end of the filter cylinder 3 through the guide hopper 4. The drive motor 10 is started, and its output end drives the first gear 11 to rotate through the coupling. The first gear 11 drives the second gear 12 and the discharge pipe 8 to rotate through the gear belt 13, thereby causing the filter cylinder 3 to rotate along the inner side of the limiting ring plate 6 through the upper fixing plate 7.

[0033] When the filter cylinder 3 rotates, the internal mixture moves towards the cylinder wall under the action of centrifugal force. Impurities are intercepted on the inner wall of the filter cylinder 3, and the filtrate flows through the pores of the filter cylinder 3 to the bottom of the outer cylinder 1 and is finally discharged from the outlet pipe 18 to complete the filtration. During this process, the rotation of the filter cylinder 3 makes the material evenly distributed on the cylinder wall, avoiding local accumulation and blockage. At the same time, the centrifugal force accelerates the solid-liquid separation and improves the filtration efficiency.

[0034] When the filter cartridge 3 needs to be cleaned, the cleaning fluid is delivered to the inlet pipe 15 through the external output pump. The cleaning fluid is then distributed to each cleaning pipe 16 through the annular pipe 14 and sprayed onto the outer surface of the filter cartridge 3 through the backwash nozzle 17. Since the filter cartridge 3 is rotating, a dynamic flushing effect is formed, which washes away the impurities attached to the inner wall of the filter cartridge 3. The wastewater is discharged from the bottom of the support base 2 through the discharge pipe 8, realizing online cleaning without stopping the machine. In addition, when the filter cartridge 3 needs to be deeply maintained or replaced, the connecting bolts 19 between the outer cylinder 1 and the support base 2 can be loosened, the outer cylinder 1 can be disassembled, and the filter cartridge 3 can be directly taken out, simplifying the maintenance process.

Claims

1. A pesticide intermediate impurity filtration device, comprising an outer cylinder (1), characterized in that: The outer cylinder (1) is equipped with a filter cylinder (3). The bottom of the filter cylinder (3) penetrates the outer cylinder (1) and is fixedly installed with a discharge pipe (8). A support plate (9) is fixedly installed at the bottom of the outer cylinder (1). A drive motor (10) is installed at the upper end of the support plate (9). A second gear (12) is fixedly installed in the middle of the discharge pipe (8). A gear belt (13) is meshed on the surface of the second gear (12). A first gear (11) is meshed on the inner side of the other end of the gear belt (13). The drive motor (10) is installed in a certain direction. The output end of the motor (10) is connected to the upper end of the first gear (11) via a coupling. A limiting ring plate (6) is fixedly installed on the upper end of the inner wall of the outer cylinder (1). Two fixing plates (7) are fixedly installed on the upper end of the filter cylinder (3). The limiting ring plate (6) is located between the two fixing plates (7). The upper end of the filter cylinder (3) is rotatably installed on the inner side of the limiting ring plate (6) via the fixing plate (7). A support base (2) is provided at the bottom of the outer cylinder (1). The discharge pipe (8) is provided through the bottom of the support base (2).

2. The pesticide intermediate impurity filtration device according to claim 1, characterized in that: A guide hopper (4) is fixedly installed on the upper end of the inner wall of the outer cylinder (1), and a feed pipe (5) is fixedly installed through the upper end of the outer cylinder (1). The bottom size of the feed pipe (5) is smaller than the upper opening of the filter cylinder (3) and extends into the inner side of the filter cylinder (3).

3. The pesticide intermediate impurity filtration device according to claim 1, characterized in that: The upper end of the limiting ring plate (6) is provided with an annular tube (14), and a plurality of cleaning tubes (16) are fixedly installed at the bottom of the annular tube (14). The bottom of the cleaning tubes (16) passes through the limiting ring plate (6) and is fixedly installed at the bottom of the outer cylinder (1).

4. The pesticide intermediate impurity filtration device according to claim 3, characterized in that: Multiple backflush nozzles (17) are fixedly installed on the surface of the cleaning pipe (16), and the inner side of the multiple backflush nozzles (17) corresponds to the outer surface of the filter cylinder (3).

5. The pesticide intermediate impurity filtration device according to claim 4, characterized in that: A water inlet pipe (15) is fixedly installed on one side of the annular pipe (14), and the other end of the water inlet pipe (15) passes through the outer cylinder (1) and is connected to an external output pump.

6. The pesticide intermediate impurity filtration device according to claim 1, characterized in that: Multiple connecting bolts (19) are threaded at the connection between the outer cylinder (1) and the support base (2). The bottom of the outer cylinder (1) is detachably installed on the upper end of the support base (2) via the connecting bolts (19). An outlet pipe (18) is fixedly installed at the bottom of the outer cylinder (1).

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