A device for pressure filtration of glyphosate

Abstract

The utility model relates to filter press device technical field, and disclose a kind of glyphosate filter press device, comprising: filter press body, filter press body is driven by hydraulic station;Buffer structure, buffer structure includes pressure relief tank, air bag and air cock;Energy storage structure, energy storage structure includes branch pipe, auxiliary gas tank and plug body, auxiliary gas tank is communicated with pressure relief tank by branch pipe, plug body is elastically arranged in auxiliary gas tank, the oil in pressure relief tank can push plug body to slip, through the air bag after oil extrusion inflation, further reach the purpose of buffering pipeline oil pressure, effectively dampens hydraulic impact, protects hydraulic component, by setting multiple branch pipes, by connecting pressure relief tank with multiple branch pipes, the oil in pressure relief tank can enter auxiliary gas tank, by oil to promote elastically connected plug body, the volume of the side of plug body can be changed Design can further store excessive oil in pipeline, and further provide another heavy buffering.

Description

Technical Field

[0001] This utility model relates to the field of filter press technology, and in particular to a glyphosate filter press. Background Technology

[0002] Glyphosate is an intermediate of the organophosphorus herbicide glyphosate, and separating the mother liquor from the crystals is one of the processes involved.

[0003] A search revealed a novel glyphosate filter press device (publication number: CN205495051U), comprising a filter press, a hydraulic station, and an energy storage station. The filter press is equipped with a feed inlet and a discharge port. The glyphosate solution enters the internal cavity of the filter press through the feed inlet, and a pressure cap is installed at the discharge port to seal it. The energy storage station is located on the high-pressure oil pipe between the hydraulic station and the filter press. The energy storage station consists of a shell and an air bladder located in the shell. The air bladder stores compressed gas, and the shell has an oil port that is connected to the high-pressure oil pipe through a reversing valve. When the filter press compresses the glyphosate, the high-pressure hydraulic oil output from the hydraulic station is buffered by the energy storage station and then drives the pressure cap to seal the discharge port.

[0004] Existing filter presses are mostly powered by hydraulic stations. In order to protect hydraulic components and pipelines, existing technologies use housings and air bladders on the pipelines. The air bladders are deformed by the compression of oil to buffer the oil pressure. However, the volume of the housings and air bladders is limited, and their buffering effect on changes in oil pressure in the pipelines is not good, leaving room for optimization.

[0005] Therefore, we propose a glyphosate pressure filtration device. Utility Model Content

[0006] The present invention mainly addresses the technical problem of poor oil pressure buffering effect mentioned above, and provides a glyphosate pressure filter device.

[0007] To achieve the above objectives, this utility model adopts the following technical solution: a glyphosate pressure filtration device, comprising: The filter press body is driven by a hydraulic station; A buffer structure is installed between the pipelines connected to the hydraulic station to buffer the pressure of the hydraulic oil. The buffer structure includes a pressure relief tank, an air bladder, and an air nozzle. The two ends of the pressure relief tank are respectively connected to the filter press body and the hydraulic station through pipelines. The air bladder is fixedly installed inside the filter press body. The air nozzle is fixedly connected to the air bladder. The hydraulic oil sent into the pressure relief tank can squeeze the air bladder to contract. An energy storage structure is installed outside the pressure relief tank to further buffer the pressure of the oil. The energy storage structure includes a branch pipe, an auxiliary gas tank, and a plug. The auxiliary gas tank is connected to the pressure relief tank through the branch pipe. The plug is elastically disposed inside the auxiliary gas tank, and the oil in the pressure relief tank can push the plug to slide.

[0008] In a preferred embodiment of this utility model, the pressure relief tank forms a sealed tank body, the air bladder is fixed inside the cavity of the pressure relief tank, the air nozzle penetrates the side wall of the filter press body and is connected to the air bladder, and the air nozzle and the pressure relief tank are locked and sealed by a nut.

[0009] In a preferred embodiment of this utility model, the branch pipe is formed into an L-shaped pipe, the branch pipe passes through the pressure relief tank and is fully welded to the pressure relief tank, the auxiliary gas tank is distributed parallel to the pressure relief tank, and at least three sets of energy storage structures are arranged in a ring array on the outside of the pressure relief tank, with the included angle of two adjacent sets of energy storage structures being equal.

[0010] In a preferred embodiment of this utility model, the energy storage structure further includes a secondary stopper plate and a spring. The secondary stopper plate is slidably disposed inside the secondary gas tank, and the spring is located between the stopper body and the secondary stopper plate. The sliding of the stopper body can push the spring to deform.

[0011] In a preferred embodiment of this utility model, the auxiliary gas tank is a cylinder, and the plug body and the auxiliary plug plate are both circular plates adapted to the auxiliary gas tank, with sealing rings provided on the circumferential surfaces of the plug body and the auxiliary plug plate.

[0012] In a preferred embodiment of this utility model, one end of the spring is fixedly connected to the center position of the end of the plug body, and the other end of the spring is fixedly connected to the center position of the end of the auxiliary plug plate.

[0013] In a preferred embodiment of this utility model, the energy storage structure further includes an adjusting screw, a threaded sleeve is fixedly provided at the end of the auxiliary gas tank, the adjusting screw is threadedly connected to the threaded sleeve, and the end of the adjusting screw is rotatably connected to the end of the auxiliary plug plate.

[0014] This invention provides a glyphosate pressure filtration device. It has the following beneficial effects: 1. This glyphosate pressure filter device uses an inflated air bladder to buffer the oil pressure in the pipeline, preventing damage to the pipeline and other hydraulic equipment due to excessive instantaneous oil pressure. Simultaneously, by inflating the deformable air bladder through a nozzle, the pressure of the air bladder is adjusted. The air bladder expands or contracts with the oil pressure in the pressure relief tank, stabilizing the oil pressure, effectively suppressing hydraulic shocks, and protecting hydraulic components. Multiple branch pipes connect the pressure relief tank, allowing the oil in the pressure relief tank to enter the auxiliary air tank. The oil pushes a flexible plug, and the variable volume design on one side of the plug further stores excess oil in the pipeline, providing another layer of buffering.

[0015] 2. This glyphosate pressure filter device, by having the plug body pushed by the oil, the plug body approaches the auxiliary plug plate and squeezes the spring, and nitrogen is filled between the plug body and the auxiliary plug plate, the oil is buffered by the pressure change between the plug body and the auxiliary plug plate, realizing multi-stage buffering and further improving the protection effect on hydraulic components.

[0016] 3. This glyphosate pressure filter device, by rotating the adjusting screw, pushes the auxiliary plug plate closer to or away from the plug body, thereby adjusting the gas value in the chamber between the plug body and the auxiliary plug plate and the pre-pressure value of the spring. The resistance of the plug body sliding can be adjusted within a certain range to meet the needs of different oil pressure relief values ​​in the pipeline. Attached Figure Description

[0017] Figure 1 This is one of the overall perspective views of this utility model; Figure 2 This is the second overall perspective view of the present utility model; Figure 3 This is a partial cross-sectional view of the buffer structure of this utility model; Figure 4 This is a three-dimensional view of the energy storage structure of this utility model; Figure 5 This is a partial cross-sectional view of the energy storage structure of this utility model.

[0018] Legend: 10. Filter press body; 11. Pressure relief tank; 12. Air bladder; 13. Air nozzle; 20. Branch pipe; 21. Auxiliary air tank; 22. Plug body; 23. Auxiliary plug plate; 24. Spring; 25. Adjusting screw. Detailed Implementation

[0019] A glyphosate pressure filter device, such as Figure 1 and Figure 2 As shown, it includes: The filter press body 10 is driven by a hydraulic station. A buffer structure, installed between the pipelines connected to the hydraulic station, is used to buffer the pressure of the hydraulic oil. The buffer structure includes a pressure relief tank 11, an air bladder 12, and an air nozzle 13. The two ends of the pressure relief tank 11 are connected to the filter press body 10 and the hydraulic station respectively via pipelines. The air bladder 12 is fixedly installed inside the filter press body 10, and the air nozzle 13 is fixedly connected to the air bladder 12. The hydraulic oil supplied to the pressure relief tank 11 can compress the air bladder 12, forming a sealed tank. The air bladder 12 is fixed inside the cavity of the pressure relief tank 11. The air nozzle 13 penetrates the side wall of the filter press body 10 and is connected to the air bladder 12. The air nozzle 13 is connected to the pressure relief tank 11. The tanks 11 are locked and sealed by nuts. By installing pressure relief tanks 11 on the hydraulic oil pipeline, oil enters the pressure relief tanks 11. When the instantaneous pressure of the oil is too high, the oil squeezes the inflated air bladder 12, thereby achieving the purpose of buffering the oil pressure in the pipeline and preventing damage to the pipeline and other hydraulic equipment due to excessive instantaneous oil pressure. At the same time, by setting the deformable air bladder 12, the pressure of the air bladder 12 is adjusted by inflating it through the air nozzle 13. The air bladder 12 expands or contracts with the oil pressure change in the pressure relief tank 11, which can stabilize the pressure of the oil circuit, effectively suppress hydraulic shock, and protect hydraulic components. like Figure 3 , Figure 4 and Figure 5 As shown, the energy storage structure is set outside the pressure relief tank 11 to further buffer the pressure of the oil. The energy storage structure includes a branch pipe 20, an auxiliary gas tank 21, and a plug 22. The auxiliary gas tank 21 is connected to the pressure relief tank 11 through the branch pipe 20. The plug 22 is elastically set inside the auxiliary gas tank 21. The oil in the pressure relief tank 11 can push the plug 22 to slide. The branch pipe 20 forms an L-shaped pipe, passes through the pressure relief tank 11, and is fully welded to the pressure relief tank 11. The auxiliary gas tank 21 is distributed parallel to the pressure relief tank 11. At least three sets of energy storage structures are arranged in a ring array outside the pressure relief tank 11, and the included angle between two adjacent sets of energy storage structures is equal. As a supplement to the above solution, since the volume of the pressure relief tank 11 and the volume of the air bladder 12 are limited, in order to further buffer the oil pressure, multiple branch pipes 20 are set up. By connecting the pressure relief tank 11 with multiple branch pipes 20, the oil in the pressure relief tank 11 can enter the auxiliary air tank 21. The oil pushes the elastically connected plug 22. The variable volume design on one side of the plug 22 can further store excess oil in the pipeline, thereby providing another layer of buffering.

[0020] like Figure 5As shown, the energy storage structure also includes a secondary plug plate 23 and a spring 24. The secondary plug plate 23 is slidably disposed inside the secondary gas tank 21, and the spring 24 is located between the plug body 22 and the secondary plug plate 23. The sliding of the plug body 22 can push the spring 24 to deform. The secondary gas tank 21 is a cylinder, and both the plug body 22 and the secondary plug plate 23 are circular plates adapted to the secondary gas tank 21. Both the circumferential surfaces of the plug body 22 and the secondary plug plate 23 are provided with sealing rings. One end of the spring 24 is fixedly connected to the center position of the end of the plug body 22, and the other end of the spring 24 is fixedly connected to the center position of the end of the secondary plug plate 23. In this scheme, the plug body 22 is pushed by the oil, and the plug body 22 approaches the secondary plug plate 23 and squeezes the spring 24. Nitrogen gas is filled between the plug body 22 and the secondary plug plate 23. The pressure change between the plug body 22 and the secondary plug plate 23 buffers the oil, realizing multi-stage buffering and further improving the protection effect on hydraulic components.

[0021] like Figure 5 As shown, the energy storage structure also includes an adjusting screw 25. A threaded sleeve is fixedly provided at the end of the auxiliary gas tank 21. The adjusting screw 25 is threadedly connected to the threaded sleeve. The end of the adjusting screw 25 is rotatably connected to the end of the auxiliary plug plate 23. In order to adjust the position of the auxiliary plug plate 23, the adjusting screw 25 is rotated to push the auxiliary plug plate 23 closer to or away from the plug body 22, thereby adjusting the gas value in the chamber between the plug body 22 and the auxiliary plug plate 23 and the pre-pressure value of the spring 24. The resistance of the sliding of the plug body 22 can be adjusted within a certain range to meet the needs of different oil pressure relief values ​​in the pipeline.

[0022] The working principle of this utility model is as follows: By installing a pressure relief tank 11 on the hydraulic oil pipeline, oil enters the pressure relief tank 11. When the instantaneous pressure of the oil is too high, the oil squeezes and inflates the air bladder 12, thereby achieving the purpose of buffering the oil pressure in the pipeline and preventing damage to the pipeline and other hydraulic equipment due to excessive instantaneous oil pressure. At the same time, by setting a deformable air bladder 12, the pressure of the air bladder 12 is adjusted by inflating it through the air nozzle 13. The air bladder 12 expands or contracts with the oil pressure changes in the pressure relief tank 11, which can stabilize the pressure in the oil circuit. By setting multiple branch pipes 20 and connecting the pressure relief tank 11, the pressure relief tank 11... The oil can enter the auxiliary gas tank 21 and push the elastically connected plug 22. The variable volume design on one side of the plug 22 can further store excess oil in the pipeline. By rotating the adjusting screw 25, the adjusting screw 25 pushes the auxiliary plug plate 23 closer to or away from the plug 22, thereby adjusting the gas value in the chamber between the plug 22 and the auxiliary plug plate 23 and the pre-pressure value of the spring 24. As the plug 22 is pushed by the oil, the plug 22 approaches the auxiliary plug plate 23 and squeezes the spring 24. Nitrogen is filled between the plug 22 and the auxiliary plug plate 23. The pressure change between the plug 22 and the auxiliary plug plate 23 buffers the oil and achieves multi-stage buffering. The filter press body 10 includes at least: Movable head plate: Driven by a hydraulic cylinder, used to press the filter plate assembly.

[0023] Filter plate assembly: It consists of alternating chamber filter plates and diaphragm filter plates to form independent filtration chambers.

[0024] Chamber filter plate: solid polypropylene plate with grooves on both sides to support the filter cloth and guide the filtrate out.

[0025] Diaphragm filter plate: core component. Its surface is a layer of elastic diaphragm (usually rubber or polymer), and a closed compression cavity is formed between the diaphragm and the substrate.

[0026] Filter cloth: Covered on each filter plate, it is the medium that directly intercepts solids.

[0027] Feed pump: Forces the liquid material into the filter press body 10. It adopts a variable frequency screw pump and provides power to the hydraulic components through a hydraulic station. The specific control method is a well-known technology and will not be described in detail here.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A glyphosate pressure filtration device, characterized in that, include: The filter press body (10) is driven by a hydraulic station; A buffer structure is set between the pipelines connected to the hydraulic station to buffer the pressure of the hydraulic oil. The buffer structure includes a pressure relief tank (11), an air bag (12) and an air nozzle (13). The two ends of the pressure relief tank (11) are respectively connected to the filter press body (10) and the hydraulic station through pipelines. The air bag (12) is fixedly installed inside the filter press body (10). The air nozzle (13) is fixedly connected to the air bag (12). The hydraulic oil sent into the pressure relief tank (11) can squeeze the air bag (12) to contract. An energy storage structure is installed outside the pressure relief tank (11) to further buffer the pressure of the oil. The energy storage structure includes a branch pipe (20), an auxiliary gas tank (21), and a plug (22). The auxiliary gas tank (21) is connected to the pressure relief tank (11) through the branch pipe (20). The plug (22) is elastically installed inside the auxiliary gas tank (21). The oil in the pressure relief tank (11) can push the plug (22) to slide.

2. The bisglyphosate pressure filter apparatus according to claim 1, characterized in that: The pressure relief tank (11) forms a sealed tank body. The air bag (12) is fixed inside the cavity of the pressure relief tank (11). The air nozzle (13) penetrates the side wall of the filter press body (10) and is connected to the air bag (12). The air nozzle (13) and the pressure relief tank (11) are locked and sealed by a nut.

3. The bisglyphosate pressure filter according to claim 1, characterized in that: The branch pipe (20) forms an L-shaped pipe, the branch pipe (20) passes through the pressure relief tank (11) and is fully welded to the pressure relief tank (11). The auxiliary gas tank (21) is distributed in parallel with the pressure relief tank (11). At least three sets of energy storage structures are arranged in a ring array on the outside of the pressure relief tank (11), and the included angle between two adjacent sets of energy storage structures is equal.

4. The bisglyphosate pressure filtration device according to claim 1, characterized in that: The energy storage structure also includes a secondary stopper plate (23) and a spring (24). The secondary stopper plate (23) is slidably disposed inside the secondary gas tank (21), and the spring (24) is located between the stopper body (22) and the secondary stopper plate (23). The sliding of the stopper body (22) can push the spring (24) to deform.

5. The bisglyphosate pressure filter apparatus according to claim 4, characterized in that: The auxiliary gas tank (21) is a cylinder, and the plug body (22) and the auxiliary plug plate (23) are both circular plates adapted to the auxiliary gas tank (21). The circumferential surfaces of the plug body (22) and the auxiliary plug plate (23) are provided with sealing rings.

6. The bisglyphosate pressure filter according to claim 4, characterized in that: One end of the spring (24) is fixedly connected to the center of the end of the plug body (22), and the other end of the spring (24) is fixedly connected to the center of the end of the auxiliary plug plate (23).

7. The bisglyphosate pressure filter according to claim 1, characterized in that: The energy storage structure also includes an adjusting screw (25), and a threaded sleeve is fixedly provided at the end of the auxiliary gas tank (21). The adjusting screw (25) is threadedly connected to the threaded sleeve, and the end of the adjusting screw (25) is rotatably connected to the end of the auxiliary plug plate (23).

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