A device for filtering a solution of mefenacet neutralization

Abstract

The utility model discloses a kind of mefenacet neutralization solution filtering devices, belong to mefenacet production technical field, its technical scheme main points include box, the top of the box is fixedly connected with lid by bolt, the inner chamber of the box is provided with filter assembly and with filter assembly cooperation use backwashing assembly, the filter assembly includes baffle and servo motor, the side of the baffle close to box inner wall is fixedly connected with the inner wall of box, the inside of the baffle is provided with let go through slot, circular plate is provided in the let go through slot, solve the filter device of existing generally using single filter core or filter screen structure, and single filtering structure is blocked after being impurity, need to stop machine disassembly cleaning, lead to production interruption, thereby reduce overall production efficiency, and existing when filtering structure is blocked, usually need to manually install after filter structure disassembly cleaning, it is more troublesome, bring inconvenience to operator Problem.

Description

Technical Field

[0001] This utility model relates to the field of oxazolidinium production technology, and in particular to an oxazolidinium neutralization solution filtration device. Background Technology

[0002] Oxazolidinone, a highly efficient aryloxyphenoxypropionate herbicide, produces a neutralization solution containing unreacted raw materials, byproduct salts, and mechanical impurities during its production process. If these impurities are not completely removed, they will affect the purity of the product, leading to reduced efficacy and decreased storage stability. Therefore, the filtration and purification of the neutralization solution is a crucial step in the production of oxazolidinone.

[0003] Existing filtration devices typically use a single filter element or filter screen structure. When a single filter structure becomes clogged with impurities, it requires machine shutdown for disassembly and cleaning, leading to production interruption and reducing overall production efficiency. Furthermore, when the existing filter structure becomes clogged, it usually requires manual disassembly, cleaning, and reinstallation, which is cumbersome and inconvenient for operators.

[0004] Therefore, a filtration device for oxazolidinyl chlorpyrifos neutralization solution is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a filtration device for oxazolidinyl chlorpyrifos neutralization solution, which can solve the problem that existing filtration devices usually use a single filter element or filter screen structure. When a single filter structure is blocked by impurities, it is necessary to stop the machine for disassembly and cleaning, which leads to production interruption and reduces overall production efficiency. In addition, when the existing filter structure is blocked, it is usually necessary to manually disassemble, clean and reinstall the filter structure, which is troublesome and inconvenient for operators.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an oxazolidinyl chlorpyrifos neutralization solution filtration device, comprising a housing, the top of which is fixedly connected to a housing cover by bolts, and the inner cavity of the housing being provided with a filter assembly and a backwashing assembly used in conjunction with the filter assembly;

[0007] The filter assembly includes a partition and a servo motor. The partition is fixedly connected to the inner wall of the housing on the side closest to the inner wall. A clearance groove is provided inside the partition, and a circular plate is placed in the clearance groove. Filter screens are embedded on both sides of the circular plate. The servo motor is fixedly connected to the top of the housing cover, and a rotating shaft is fixedly connected to the bottom of the servo motor. The bottom of the rotating shaft passes through the housing cover and the partition in sequence and is fixedly connected to the top of the circular plate. The rotating shaft surface is rotatably connected to the inner walls of the housing cover and the partition on the side closest to the inner walls of the partition and the housing cover respectively through bearings.

[0008] Preferably, the backwashing assembly includes a flushing pipe and two waterproof cylinders. The flushing pipe is located on the right side of the partition and at the bottom of the circular plate. The top of the flushing pipe is connected to an angled nozzle, and the number of angled nozzles is several and they are evenly distributed on the top of the flushing pipe.

[0009] Preferably, two waterproof cylinders are fixedly connected to the front and rear sides of the right side of the box body, respectively. The piston rods of the two waterproof cylinders penetrate into the inner cavity of the box body and are fixedly connected to a transmission block. The two transmission blocks are fixedly connected to the front and rear sides of the flushing pipe, respectively. The piston rod surface of the waterproof cylinder is slidably connected to the inner wall of the box body.

[0010] Preferably, the bottom of the rinsing pipe is connected to a flexible hose, the other end of the flexible hose is connected to an external water pipe, the rear side of the external water pipe extends to the outside of the box, and the surface of the external water pipe is fixedly connected to the inner wall of the box.

[0011] Preferably, an annular sealing ring is fixedly connected around the perimeter of the circular plate, and the side of the annular sealing ring closest to the inner wall of the box is in close contact with the inner wall of the box.

[0012] Preferably, sealing gaskets are fixedly connected to the top and bottom of the circular plate, and the sealing gaskets are in close contact with the relief groove and the inner wall of the box on the side close to the relief groove and the inner wall of the box, respectively.

[0013] Preferably, a feed pipe is connected to the left side of the top of the box cover, and observation windows are embedded on both sides of the front side of the top of the box cover.

[0014] Preferably, a discharge valve is connected to the bottom left side of the box, and a drain valve is connected to the bottom right side of the box.

[0015] Preferably, a first guide block is provided on the left side of the bottom of the inner cavity of the box, and a second guide block is provided on the right side of the bottom of the inner cavity of the box. The first guide block and the second guide block are fixedly connected to the inner wall and the partition of the box, respectively, on the side close to the inner wall and the partition of the box.

[0016] Preferably, the bottom of the box is fixedly connected to multiple support legs, and the bottom of each support leg is fixedly connected to an anti-slip pad.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. By setting up the filter components, this application can achieve continuous filtration operation through the dual filter design and rotatable switching mechanism. When one filter becomes clogged, it can quickly switch to the other filter to continue filtration without stopping the machine for disassembly and cleaning. This avoids the production interruption problem caused by cleaning blockages in traditional single filter structures and greatly improves the overall filtration efficiency.

[0019] 2. This application, through the setting of the backwashing component, can automatically clean the clogged filter screen without disassembling it. It can use high-pressure water flow to back-impact the filter screen surface, and combined with the movable flushing structure, it can completely remove the impurities attached to the filter screen, restore the filter screen's filtration performance, and save the tedious operation of manually disassembling, cleaning and reinstalling the filter screen, bringing convenience to the operator. Attached Figure Description

[0020] Figure 1 This is an overall structural diagram of the oxazolidinyl chlorpyrifos neutralization solution filtration device of this utility model;

[0021] Figure 2 In this utility model Figure 1 Front sectional view of the enclosure;

[0022] Figure 3 In this utility model Figure 1 A structural diagram from another perspective;

[0023] Figure 4 This is an exploded structural diagram of the filter component in this utility model;

[0024] Figure 5 This is a structural diagram of the backwashing component in this utility model.

[0025] In the diagram, 1. Box body; 2. Box cover; 3. Filter assembly; 31. Partition; 32. Servo motor; 33. Clearance groove; 34. Circular plate; 35. Filter screen; 36. Rotating shaft; 4. Backwash assembly; 41. Flushing pipe; 42. Waterproof cylinder; 43. Angled nozzle; 44. Transmission block; 45. Hose; 46. External water pipe; 5. Annular sealing ring; 6. Sealing gasket; 7. Feed pipe; 8. Observation window; 9. Discharge valve; 10. Drain valve; 11. First guide block; 12. Second guide block; 13. Support leg; 14. Anti-slip foot pad. Detailed Implementation

[0026] 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.

[0027] Please see Figure 1-5 The present invention provides the following technical solution:

[0028] A filtration device for oxazolidinyl chlorpyrifos neutralization solution includes a housing 1, a housing cover 2 fixedly connected to the top of the housing 1 by bolts, and a filter assembly 3 and a backwashing assembly 4 used in conjunction with the filter assembly 3 in the inner cavity of the housing 1.

[0029] The filter assembly 3 includes a partition 31 and a servo motor 32. The partition 31 is fixedly connected to the inner wall of the housing 1 on the side closest to the inner wall of the housing 1. A clearance groove 33 is provided inside the partition 31. A circular plate 34 is provided in the clearance groove 33. Filter screens 35 are embedded on both sides of the circular plate 34. The servo motor 32 is fixedly connected to the top of the housing cover 2. A rotating shaft 36 is fixedly connected to the bottom of the servo motor 32. The bottom of the rotating shaft 36 passes through the housing cover 2 and the partition 31 in sequence and is fixedly connected to the top of the circular plate 34. The surfaces of the rotating shaft 36 are rotatably connected to the inner walls of the housing cover 2 and the partition 31 respectively through bearings.

[0030] In this embodiment: by setting up a housing 1, a housing cover 2, a filter assembly 3, and a backwashing assembly 4, during use, the housing 1 and housing cover 2 provide a relatively sealed filtration space for the oxazolidinyl chlorpyrifos neutralization solution. The filter assembly 3, through its dual-filter design and rotatable switching mechanism, achieves continuous filtration. When one filter becomes clogged, it can quickly switch to the other filter to continue filtration without stopping the machine for disassembly and cleaning, avoiding the production interruption caused by cleaning clogging in traditional single-filter structures, and significantly improving the overall filtration efficiency. The backwashing assembly 4 can automatically clean clogged filters without disassembling them. It uses high-pressure water flow to back-impact the filter surface, combined with a movable flushing structure, to thoroughly remove impurities attached to the filter, restoring the filter's filtration performance. This eliminates the tedious manual disassembly, cleaning, and reinstallation of the filter, bringing convenience to the operators.

[0031] Specifically, such as Figure 1 , Figure 2 , Figure 3 , Figure 5 As shown, the backwash assembly 4 includes a flushing pipe 41 and two waterproof cylinders 42. The flushing pipe 41 is located on the right side of the partition 31 and at the bottom of the circular plate 34. The top of the flushing pipe 41 is connected to an inclined nozzle 43. There are several inclined nozzles 43, which are evenly distributed on the top of the flushing pipe 41.

[0032] Specifically, such as Figure 1 , Figure 2 , Figure 3 , Figure 5As shown, two waterproof cylinders 42 are fixedly connected to the front and rear sides of the right side of the housing 1, respectively. The piston rods of the two waterproof cylinders 42 penetrate into the inner cavity of the housing 1 and are fixedly connected to a transmission block 44. The two transmission blocks 44 are fixedly connected to the front and rear sides of the flushing pipe 41, respectively. The piston rod surface of the waterproof cylinder 42 is slidably connected to the inner wall of the housing 1.

[0033] Specifically, such as Figure 2 , Figure 3 , Figure 5 As shown, the bottom of the rinsing pipe 41 is connected to a hose 45, and the other end of the hose 45 is connected to an external water pipe 46. The rear side of the external water pipe 46 extends to the outside of the box 1, and the surface of the external water pipe 46 is fixedly connected to the inner wall of the box 1.

[0034] In this embodiment, by setting up a flushing pipe 41, waterproof cylinders 42, angled nozzles 43, transmission blocks 44, hoses 45, and an external water pipe 46, in use, the external water pipe 46 is first connected to an external water source. Then, high-pressure water is delivered through the external water source and enters the flushing pipe 41 via the external water pipe 46 and hoses 45. The multiple angled nozzles 43 at the top of the flushing pipe 41 then impact the surface of the clogged filter screen 35 in the opposite direction. At the same time, two waterproof cylinders 42 are activated synchronously through external control, causing the piston rods of the two waterproof cylinders 42 to extend and retract, and driving the flushing pipe 41 to move through the two transmission blocks 44, thus flushing down the impurities. This achieves automatic cleaning of the clogged filter screen 35 without disassembling it, saving the tedious operation of manually disassembling, cleaning, and reinstalling the filter screen, and bringing convenience to the operator.

[0035] Specifically, such as Figure 2 , Figure 4 As shown, an annular sealing ring 5 is fixedly connected around the circular plate 34, and the side of the annular sealing ring 5 closest to the inner wall of the box 1 is in close contact with the inner wall of the box 1.

[0036] Specifically, such as Figure 2 , Figure 4 As shown, sealing gaskets 6 are fixedly connected to the top and bottom of the circular plate 34. The sealing gaskets 6 are in close contact with the relief groove 33 and the inner wall of the box 1 on the side close to the relief groove 33 and the inner wall of the box 1, respectively.

[0037] In this embodiment: by setting an annular sealing ring 5, the filtered oxazolidinyl chlorpyrifos neutralization solution can be prevented from directly leaking between the circular plate 34 and the inner wall of the box 1. By setting a sealing gasket 6, the filtered oxazolidinyl chlorpyrifos neutralization solution can be prevented from seeping into the rinsing area on the right side of the box 1 through the clearance channel 33. At the same time, the rinsing water in the rinsing area on the right side can be prevented from seeping into the filtration area on the left side of the box 1 through the clearance channel 33.

[0038] Specifically, such as Figure 1 , Figure 2 , Figure 3 As shown, a feed pipe 7 is connected to the left side of the top of the box cover 2, and observation windows 8 are installed on both sides of the front side of the top of the box cover 2.

[0039] Specifically, such as Figure 1 , Figure 2 , Figure 3 As shown, a discharge valve 9 is connected to the bottom left side of the box 1, and a drain valve 10 is connected to the bottom right side of the box 1.

[0040] In this embodiment: by setting the feed pipe 7, the oxazolidinyl chlorpyrifos neutralized solution to be filtered can be easily added to the tank 1 for filtration. By setting the observation window 8, the internal condition of the tank 1 can be easily observed. By setting the discharge valve 9, the filtered oxazolidinyl chlorpyrifos neutralized solution can be easily discharged. By setting the drain valve 10, the rinsing wastewater can be easily discharged.

[0041] Specifically, such as Figure 2 As shown, a first guide block 11 is provided on the left side of the bottom of the inner cavity of the box 1, and a second guide block 12 is provided on the right side of the bottom of the inner cavity of the box 1. The first guide block 11 and the second guide block 12 are respectively fixedly connected to the inner wall of the box 1 and the partition 31 on the side close to the inner wall of the box 1 and the partition 31.

[0042] Specifically, such as Figure 1 , Figure 2 , Figure 3 As shown, multiple support legs 13 are fixedly connected to the bottom of the box 1, and anti-slip pads 14 are fixedly connected to the bottom of the support legs 13.

[0043] In this embodiment: by setting the first guide block 11, the filtered oxazolidinyl chlorpyrifos neutralization solution can be guided to the discharge valve 9; by setting the second guide block 12, the flushing wastewater can be guided to the drain valve 10; by setting multiple support legs 13, the housing 1 can be stably supported; and by setting anti-slip pads 14, the stability of the device placement can be improved.

[0044] Working principle: In use, the servo motor 32 first drives the rotating shaft 36 to rotate the circular plate 34 within the clearance groove 33. This causes the filter screen 35 on one side of the circular plate 34 to be positioned on the left side of the partition 31 as the working filter screen 35, while the filter screen 35 on the other side is positioned on the right side of the partition 31 for standby. Then, the oxazolidinyl chlorpyrifos neutralization solution is added to the housing 1 through the feed pipe 7. At this time, the oxazolidinyl chlorpyrifos neutralization solution can be filtered through the filter screen 35 on the left side of the partition 31. Under the action of gravity, the neutralization solution will pass through the filter screen 35. Impurities are intercepted by filter screen 35, and the filtered neutralized solution is then guided to discharge valve 9 via first guide block 11. Discharge can be achieved by opening discharge valve 9. When the working filter screen 35 on the left side of partition 31 becomes clogged, servo motor 32 can be activated, causing the output shaft of servo motor 32 to drive rotating shaft 36 and rotate circular plate 34 180°. This allows the spare filter screen 35 to be replaced with a new working filter screen 35 for continued filtration without requiring machine shutdown for disassembly and cleaning, thus avoiding production interruptions caused by cleaning blockages in traditional single-filter structures. The problem is that the overall filtration efficiency is greatly improved. Then, the original clogged filter screen 35 is moved to the right side of the baffle 31 and located above the backwashing assembly 4. At this time, the external water pipe 46 can be connected to an external water source. Then, high-pressure water is delivered through the external water source, passing through the external water pipe 46 and the hose 45 into the flushing pipe 41. Then, multiple angled nozzles 43 at the top of the flushing pipe 41 impact the surface of the clogged filter screen 35 in the reverse direction. At the same time, two waterproof cylinders 42 are activated synchronously through external control, causing the piston rods of the two waterproof cylinders 42 to extend and retract through two transmission blocks 4. 4. Moving the flushing pipe 41 allows impurities to be flushed down, thus automatically cleaning the clogged filter screen 35 without disassembling it. This eliminates the tedious manual disassembly, cleaning, and reinstallation of the filter screen, providing convenience for operators. The flushing wastewater is then discharged through the drain valve 10 under the guidance of the second guide block 12. After flushing, the drain valve 10 is closed, and the waterproof cylinder 42 drives the flushing pipe 41 to reset, restoring the clogged filter screen to its original permeability, ready for the next switchover. The entire filtration process is uninterrupted.

[0045] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A filtration device for oxazolidinyl chlorpyrifos neutralization solution, comprising a housing (1), characterized in that: The top of the box (1) is fixedly connected to the box cover (2) by bolts. The inner cavity of the box (1) is provided with a filter assembly (3) and a backwash assembly (4) used in conjunction with the filter assembly (3). The filter assembly (3) includes a partition (31) and a servo motor (32). The partition (31) is fixedly connected to the inner wall of the box (1) on the side closest to the inner wall of the box (1). A clearance groove (33) is provided inside the partition (31). A circular plate (34) is provided in the clearance groove (33). Filter screens (35) are embedded on both sides inside the circular plate (34). The servo motor (32) is fixedly connected to the top of the box cover (2). A rotating shaft (36) is fixedly connected to the bottom of the servo motor (32). The bottom of the rotating shaft (36) passes through the box cover (2) and the partition (31) in sequence and is fixedly connected to the top of the circular plate (34). The surface of the rotating shaft (36) is rotatably connected to the inner walls of the box cover (2) and the partition (31) on the side closest to the inner wall of the partition (31) through bearings.

2. The oxazolidinyl chlorpyrifos neutralization solution filtration device according to claim 1, characterized in that: The backwash assembly (4) includes a flushing pipe (41) and two waterproof cylinders (42). The flushing pipe (41) is located on the right side of the partition (31) and at the bottom of the circular plate (34). The top of the flushing pipe (41) is connected to an inclined nozzle (43). There are several inclined nozzles (43) and they are evenly distributed on the top of the flushing pipe (41).

3. The oxazolidinyl chlorpyrifos neutralization solution filtration device according to claim 2, characterized in that: Two waterproof cylinders (42) are fixedly connected to the front and rear sides of the right side of the box (1), respectively. The piston rods of the two waterproof cylinders (42) penetrate into the inner cavity of the box (1) and are fixedly connected to a transmission block (44). The two transmission blocks (44) are fixedly connected to the front and rear sides of the flushing pipe (41), respectively. The surface of the piston rod of the waterproof cylinder (42) is slidably connected to the inner wall of the box (1).

4. The oxazolidinyl chlorpyrifos neutralization solution filtration device according to claim 2, characterized in that: The bottom of the flushing pipe (41) is connected to a hose (45), and the other end of the hose (45) is connected to an external water pipe (46). The rear side of the external water pipe (46) extends to the outside of the box (1), and the surface of the external water pipe (46) is fixedly connected to the inner wall of the box (1).

5. The oxazolidinyl chlorpyrifos neutralization solution filtration device according to claim 1, characterized in that: The circular plate (34) is fixedly connected with an annular sealing ring (5) around its perimeter. The side of the annular sealing ring (5) closest to the inner wall of the box (1) is in close contact with the inner wall of the box (1).

6. The oxazolidinyl chlorpyrifos neutralization solution filtration device according to claim 1, characterized in that: The top and bottom of the circular plate (34) are fixedly connected with sealing gaskets (6), and the sealing gaskets (6) are in close contact with the inner walls of the relief groove (33) and the box (1) respectively.

7. The oxazolidinyl chlorpyrifos neutralization solution filtration device according to claim 1, characterized in that: The top left side of the box cover (2) is connected to the feed pipe (7), and observation windows (8) are installed on both sides of the front side of the top of the box cover (2).

8. The oxazolidinyl chlorpyrifos neutralization solution filtration device according to claim 1, characterized in that: The bottom left side of the box (1) is connected to a discharge valve (9), and the bottom right side of the box (1) is connected to a drain valve (10).

9. The oxazolidinyl chlorpyrifos neutralization solution filtration device according to claim 1, characterized in that: A first guide block (11) is provided on the left side of the bottom of the inner cavity of the box (1), and a second guide block (12) is provided on the right side of the bottom of the inner cavity of the box (1). The first guide block (11) and the second guide block (12) are respectively fixedly connected to the inner wall of the box (1) and the partition (31) on the side close to the inner wall of the box (1) and the partition (31).

10. The oxazolidinyl chlorpyrifos neutralization solution filtration device according to claim 1, characterized in that: The bottom of the box (1) is fixedly connected to a plurality of support legs (13), and the bottom of the support legs (13) is fixedly connected to anti-slip pads (14).

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