Porous fiber nano-membrane filtering device

Abstract

The utility model discloses a porous fiber nano-membrane filtering device, which relates to the technical field of nano-filtration and comprises a filtering cylinder and a filtering component, a feeding cavity is arranged at the upper part in the filtering cylinder body, and a discharging cavity is arranged at the lower part; a feeding hole is formed in the top of the feeding cavity, and a discharging hole is formed in the bottom of the discharging cavity; the feeding cavity and the discharging cavity are communicated through the filtering cavity; a driving assembly is arranged in the filter cylinder, and the filter assembly is fixedly mounted at the output end of the driving assembly; a flushing cavity and a replacing cavity are further formed in the filtering cylinder body, the filtering cavity, the flushing cavity and the replacing cavity are circumferentially and uniformly distributed with the driving assembly as the center, and the driving assembly is used for driving the filtering assembly to be switched among the filtering cavity, the flushing cavity and the replacing cavity. According to the utility model, after the membrane holes of the filtering assembly are blocked, the driving assembly can drive the filtering assembly to move to the flushing cavity and be flushed by the flushing assembly, and when the filtering assembly loses the filtering effect, the driving assembly can drive the filtering assembly to move to the replacing cavity to be replaced.

Description

Technical Field

[0001] This utility model relates to the field of nanofiltration technology, and in particular to a porous fiber nanomembrane filtration device. Background Technology

[0002] Porous fiber nanomembranes are a type of polymeric nanomembrane. They are typically made from polymers such as polyvinylidene fluoride (PVDF) and possess characteristics such as porosity, high surface area, high permeability, and mechanical strength. Currently, they are widely used in food, medicine, biology, environmental protection, chemical industry, metallurgy, energy, petroleum, water treatment, electronics, and bionics, generating significant economic and social benefits and becoming one of the most important methods in separation and filtration today.

[0003] In practice, it has been found that after long-term operation, some macromolecular components in commonly used filtration devices with porous fiber nanomembranes can clog the membrane pores, hindering the passage of liquid and significantly reducing the membrane filtration capacity. Existing filtration devices cannot automatically flush the porous fiber nanomembrane, and it is inconvenient to replace it when the porous fiber nanomembrane has completely lost its filtration effect. Utility Model Content

[0004] In view of the above, this utility model provides a porous fiber nanomembrane filtration device to solve the problems mentioned in the background art, and specifically discloses the following:

[0005] A porous fiber nanomembrane filtration device includes a filter cylinder and a filter assembly. The filter cylinder has an inlet chamber at the top and an outlet chamber at the bottom. The inlet chamber has an inlet at the top, and the outlet chamber has an outlet at the bottom. The inlet chamber and the outlet chamber are connected through a filter chamber. A drive assembly is located inside the filter cylinder, and the filter assembly is fixedly installed at the output end of the drive assembly. The filter cylinder also has a rinsing chamber and a replacement chamber. The filtration chamber, rinsing chamber, and replacement chamber are evenly distributed circumferentially around the drive assembly. The drive assembly drives the filter assembly to switch between the filtration chamber, rinsing chamber, and replacement chamber. A rinsing assembly is located in the rinsing chamber for rinsing the filter assembly. A replacement door is detachably connected to the filter cylinder near the replacement chamber.

[0006] Furthermore, the drive assembly includes a drive motor, and the filter cylinder has a motor cavity inside. The filter cavity, the rinsing cavity, and the replacement cavity are evenly distributed circumferentially around the motor cavity. The drive motor is fixedly installed on the bottom wall of the motor cavity. The output end of the drive motor is fixedly connected to a drive shaft. The end of the drive shaft away from the drive motor is rotatably connected to the top wall of the motor cavity. The filter assembly is fixedly installed on the drive shaft.

[0007] Furthermore, the filter assembly includes three filter units, which are circumferentially and uniformly fixed to the curved wall of the drive shaft via connecting rods. The filter cylinder is provided with a first annular clearance groove that is adapted to the connecting rods.

[0008] Furthermore, the filter unit includes a support plate frame, a mounting frame, and a porous fiber nanomembrane. The support plate frame is fixedly connected to the curved wall of the drive shaft via the connecting rod. The support plate frame has a first groove that matches the mounting frame. The porous fiber nanomembrane is disposed on the mounting frame. A connecting plate is fixedly connected to one end of the mounting frame. The support plate frame has a second groove at the end away from the connecting rod. The second groove communicates with the first groove and matches the connecting plate. A pull handle is provided on the side of the connecting plate away from the mounting frame.

[0009] The filter cylinder is provided with a second annular clearance groove that is adapted to the support plate frame. The second annular clearance groove connects the filter chamber, the rinsing chamber and the replacement chamber. The first annular clearance groove connects the motor chamber and the second annular clearance groove.

[0010] Furthermore, the filter chamber is adapted to the support plate frame.

[0011] Furthermore, the rinsing assembly includes an inlet pipe and an outlet pipe, and the rinsing chamber is adapted to the support plate frame; one end of the inlet pipe is connected to an external inlet water pump, and the other end is connected to the bottom of the rinsing chamber; one end of the outlet pipe is connected to the top of the rinsing chamber, and the other end is connected to an external outlet water pump.

[0012] Furthermore, the replacement cavity space is larger than the support plate frame, and the replacement door is provided with a replacement handle.

[0013] The beneficial effects of this utility model are as follows:

[0014] In this invention, when the membrane pores of the filter component become clogged, the drive component can drive the filter component to move to the flushing chamber for flushing. When the filter component loses its filtering effect, the drive component can drive the filter component to move to the replacement chamber for replacement.

[0015] In this utility model, the filter assembly includes three filter units, and the drive motor can switch the three filter units between the filter chamber, the rinsing chamber and the replacement chamber through the drive shaft;

[0016] In this utility model, the filter unit includes a support plate frame, the filter cavity is adapted to the support plate frame, and the support plate frame can seal the peripheral wall of the filter cavity to prevent leakage of the original liquid or filtrate during the filtration process.

[0017] In this utility model, the rinsing chamber is adapted to the support plate frame, and the support plate frame can seal the periphery of the rinsing chamber to prevent rinsing fluid leakage. The water inlet pipe runs from bottom to top to backwash the porous fiber nanomembrane, and the rinsed water is extracted from the water outlet pipe.

[0018] In this invention, the replacement cavity space is larger than the support plate frame, providing operating space for the operator. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0020] Figure 1 This is a front view of the internal structure of a porous fiber nanomembrane filtration device according to the present invention.

[0021] Figure 2 for Figure 1 Sectional view of AA.

[0022] Figure 3 This is a rear view of the internal structure of a porous fiber nanomembrane filtration device according to the present invention.

[0023] Figure 4 This is a schematic diagram of the structure of the load-bearing plate frame in this utility model.

[0024] Figure 5 This is a schematic diagram of the mounting frame in this utility model.

[0025] In the figure:

[0026] 1-Filter cylinder; 11-Filter chamber; 12-Replacement chamber; 121-Replacement door; 1211-Replacement handle; 13-Rinsing chamber; 131-Inlet pipe; 132-Outlet pipe; 14-Motor chamber; 15-First annular clearance groove; 16-Second annular clearance groove; 21-Feeding chamber; 211-Feed inlet; 22-Discharge chamber; 221-Discharge inlet; 3-Drive motor; 31-Drive shaft; 32-Connecting rod; 4-Bearing plate frame; 41-First groove; 42-Second groove; 5-Mounting frame; 51-Connecting plate; 6-Porous fiber nanomembrane. Detailed Implementation

[0027] The technical solutions in the embodiments of this utility model are described clearly and completely below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0028] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or device that includes a series of steps or components is not necessarily limited to those steps or components explicitly listed, but may include other steps or components not explicitly listed or inherent to such processes, methods, products, or devices.

[0029] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0030] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0031] Furthermore, the terms "installation," "setup," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0032] See appendix Figure 1-5This utility model discloses a porous fiber nanomembrane filtration device, including a filter cylinder 1 and a filter assembly; the filter cylinder 1 has an inlet chamber 21 at the top and an outlet chamber 22 at the bottom; the inlet chamber 21 has an inlet 211 at the top and the outlet chamber 22 has an outlet 221 at the bottom; the inlet chamber 21 and the outlet chamber 22 are connected through a filter chamber 11; the filter cylinder 1 has a drive assembly inside, and the filter assembly is fixedly installed at the output end of the drive assembly; the filter cylinder 1 also has a rinsing chamber 13 and a replacement chamber 12 inside, the filter chamber 11, the rinsing chamber 13 and the replacement chamber 12 are evenly distributed circumferentially around the drive assembly, and the drive assembly is used to drive the filter assembly to switch between the filter chamber 11, the rinsing chamber 13 and the replacement chamber 12; the rinsing chamber 13 has a rinsing assembly inside, used to rinse the filter assembly, and a replacement door 121 is detachably connected to the filter cylinder 1 near the replacement chamber 12.

[0033] In this embodiment, after the membrane pores of the filter component become clogged, the drive component can drive the filter component to move to the flushing chamber for flushing. When the filter component loses its filtering effect, the drive component can drive the filter component to move to the replacement chamber for replacement.

[0034] The drive assembly includes a drive motor 3. The filter cylinder 1 has a motor cavity 14 inside. The filter cavity 11, the rinsing cavity 13 and the replacement cavity 12 are evenly distributed around the motor cavity 14. The drive motor 3 is fixedly installed on the bottom wall of the motor cavity 14. The output end of the drive motor 3 is fixedly connected to a drive shaft 31. The end of the drive shaft 31 away from the drive motor 3 is rotatably connected to the top wall of the motor cavity 14. The filter assembly is fixedly installed on the drive shaft 31.

[0035] The filter assembly includes three filter units, which are circumferentially and uniformly fixed to the curved wall of the drive shaft 31 via connecting rods 32. The filter cylinder 1 is provided with a first annular clearance groove 15 that is adapted to the connecting rods 32.

[0036] In this embodiment, the drive motor 3 can switch the three filter units between the filter chamber 11, the rinsing chamber 13 and the replacement chamber 12 via the drive shaft 31.

[0037] The filter unit includes a support plate frame 4, a mounting frame 5, and a porous fiber nanomembrane 6. The support plate frame 4 is fixedly connected to the curved wall of the drive shaft 31 by a connecting rod 32. The support plate frame 4 has a first groove 41 that is adapted to the mounting frame 5. The porous fiber nanomembrane 6 is disposed on the mounting frame 5. A connecting plate 51 is fixedly connected to one end of the mounting frame 5. A second groove 42 is provided at the end of the support plate frame 4 away from the connecting rod 32. The second groove 42 communicates with the first groove 41. The second groove 42 is adapted to the connecting plate 51. A pull handle (not shown in the figure) is provided on the side of the connecting plate 51 away from the mounting frame 5.

[0038] The filter cylinder 1 is provided with a second annular clearance groove 16 that is adapted to the support plate frame 4. The second annular clearance groove 16 connects the filter chamber 11, the rinsing chamber 13 and the replacement chamber 12. The first annular clearance groove 15 connects the motor chamber 14 and the second annular clearance groove 16.

[0039] In this embodiment, the connecting plate 51 can be snapped into the second groove 42 to install the mounting frame 5 inside the bearing plate frame 4, or the connecting plate 51 can be fixed inside the second groove 42 by bolts to install the mounting frame 5 inside the bearing plate frame 4.

[0040] The filter chamber 11 is adapted to the support plate frame 4. The support plate frame 4 can seal the perimeter of the filter chamber 11 to prevent leakage of raw liquid or filtrate during the filtration process.

[0041] The flushing assembly includes an inlet pipe 131 and an outlet pipe 132. The flushing chamber 13 is adapted to the support plate frame 4. One end of the inlet pipe 131 is connected to an external inlet water pump, and the other end is connected to the bottom of the flushing chamber 13. One end of the outlet pipe 132 is connected to the top of the flushing chamber 13, and the other end is connected to an external outlet water pump.

[0042] In this embodiment, the support plate frame 4 can seal the perimeter of the rinsing chamber 13 to prevent rinsing fluid leakage. The water inlet pipe 131 backwashes the porous fiber nanomembrane 6 from bottom to top, and the rinsed water is extracted from the water outlet pipe 132.

[0043] The space of the replacement cavity 12 is larger than that of the support plate frame 4, and the replacement door 121 is equipped with a replacement handle 1211.

[0044] In this embodiment, the operator can disassemble the replacement door 121, remove the mounting frame 5 from the replacement cavity 12, replace it with a new porous fiber nanomembrane 6, and then reinstall it.

[0045] In this embodiment, the filter cylinder 1 is also equipped with a pressure gauge and a temperature and humidity gauge. The filter cylinder 1 is equipped with a corresponding pressure regulator and sensor. All of the above are existing technologies and will not be described in detail here.

[0046] How to use:

[0047] In the initial stage, a support plate frame 4 is located in the filter chamber 11, which encloses the peripheral wall of the filter chamber 11; a support plate frame 4 is located in the rinsing chamber 13, which encloses the peripheral wall of the rinsing chamber 13; and a support plate frame 4 is located in the replacement chamber.

[0048] The raw liquid is added through the inlet 211 of the feeding chamber 21. The raw liquid is filtered and separated through the porous fiber nanomembrane 6 in the filtration chamber 11. The filtrate is then discharged through the outlet 221 of the discharge chamber 22.

[0049] After filtration, the drive motor 3 drives the support plate frame 4 located in the filter chamber 11 to move to the rinsing chamber 13. The support plate frame 4 seals the periphery of the rinsing chamber 13. The water inlet pipe 131 backwashes the porous fiber nanomembrane 6 from bottom to top. The rinsed water is extracted from the water outlet pipe 132. After the porous fiber nanomembrane 6 is backwashed, it is ready for the next use.

[0050] When the porous fiber nanomembrane 6 needs to be replaced, the drive motor 3 drives the carrier plate frame 4 to move to the replacement chamber 12. The operator can disassemble the replacement door 121, take out the installation frame 5 in the replacement chamber 12, replace the new porous fiber nanomembrane 6, and reinstall it.

[0051] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A porous fiber nanomembrane filtration device, characterized in that, The filter includes a filter cylinder (1) and a filter assembly; the filter cylinder (1) has an inlet chamber (21) at the top and an outlet chamber (22) at the bottom; the inlet chamber (21) has an inlet (211) at the top and an outlet (221) at the bottom; the inlet chamber (21) and the outlet chamber (22) are connected through a filter chamber (11); the filter cylinder (1) has a drive assembly inside, and the filter assembly is fixedly installed at the output end of the drive assembly; the filter cylinder (1) also has The filter chamber (11), the flushing chamber (13), and the replacement chamber (12) are evenly distributed circumferentially around the drive assembly. The drive assembly is used to drive the filter assembly to switch between the filter chamber (11), the flushing chamber (13), and the replacement chamber (12). The flushing chamber (13) is provided with a flushing assembly for flushing the filter assembly. The filter cylinder (1) is detachably connected to a replacement door (121) near the replacement chamber (12).

2. The porous fiber nanomembrane filtration device according to claim 1, characterized in that, The drive assembly includes a drive motor (3), and the filter cylinder (1) has a motor cavity (14) inside. The filter cavity (11), the rinsing cavity (13) and the replacement cavity (12) are evenly distributed circumferentially around the motor cavity (14). The drive motor (3) is fixedly installed on the bottom wall of the motor cavity (14). The output end of the drive motor (3) is fixedly connected to a drive shaft (31). The end of the drive shaft (31) away from the drive motor (3) is rotatably connected to the top wall of the motor cavity (14). The filter assembly is fixedly installed on the drive shaft (31).

3. The porous fiber nanomembrane filtration device according to claim 2, characterized in that, The filter assembly includes three filter units, which are circumferentially and uniformly fixed to the curved wall of the drive shaft (31) via connecting rods (32). The filter cylinder (1) is provided with a first annular clearance groove (15) that is adapted to the connecting rods (32).

4. The porous fiber nanomembrane filtration device according to claim 3, characterized in that, The filter unit includes a support plate frame (4), a mounting frame (5), and a porous fiber nanomembrane (6). The support plate frame (4) is fixedly connected to the curved wall of the drive shaft (31) via the connecting rod (32). The support plate frame (4) has a first groove (41) that is adapted to the mounting frame (5). The porous fiber nanomembrane (6) is disposed on the mounting frame (5). A connecting plate (51) is fixedly connected to one end of the mounting frame (5). A second groove (42) is provided at the end of the support plate frame (4) away from the connecting rod (32). The second groove (42) communicates with the first groove (41). The second groove (42) is adapted to the connecting plate (51). A pull handle is provided on the side of the connecting plate (51) away from the mounting frame (5). The filter cylinder (1) is provided with a second annular clearance groove (16) that is adapted to the bearing plate frame (4). The second annular clearance groove (16) connects the filter chamber (11), the flushing chamber (13) and the replacement chamber (12). The first annular clearance groove (15) connects the motor chamber (14) and the second annular clearance groove (16).

5. The porous fiber nanomembrane filtration device according to claim 4, characterized in that, The filter chamber (11) is adapted to the support plate frame (4).

6. The porous fiber nanomembrane filtration device according to claim 4, characterized in that, The flushing assembly includes an inlet pipe (131) and an outlet pipe (132). The flushing chamber (13) is adapted to the support plate frame (4). One end of the inlet pipe (131) is connected to an external water pump, and the other end is connected to the bottom of the flushing chamber (13). One end of the outlet pipe (132) is connected to the top of the flushing chamber (13), and the other end is connected to an external water pump.

7. The porous fiber nanomembrane filtration device according to claim 4, characterized in that, The space of the replacement cavity (12) is larger than that of the support plate frame (4), and the replacement door (121) is provided with a replacement handle (1211).

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