Bag type filter capable of automatically discharging sewage

Abstract

The utility model discloses a bag type filter capable of automatically discharging sewage. The bag type filter comprises a shell, a water inlet pipe, a filtering assembly and a fixing assembly, according to the utility model, the filter assembly is arranged, the filter bag can be used for filtering wastewater, the support column, the limiting disc and the mesh basket can be used for limiting and stabilizing the filter bag, the filter bag is prevented from falling down, the filter bag is ensured to be unfolded, the wastewater is favorably filtered, the filter bag is provided with a downward opening, and filtered impurities can directly fall to the inner bottom of the shell, so that the filter bag is convenient to clean. The automatic pollution discharge effect is achieved, the situation that a user needs to take out the filter bag for pollution discharge is avoided, when the filter bag needs to be cleaned, the driving motor is used for driving the transmission lead screw to rotate, the transmission lead screw rotates to drive the lead screw nut to move, and the lead screw nut moves to drive the fixing frame to move; and the fixed frame moves to drive the pressurizing spray head to move, so that the inner wall of the filter bag can be washed, the influence on wastewater filtration caused by blockage of the filter bag due to smudginess is prevented, and automatic pollution discharge and cleaning of the filter bag are realized.

Description

Technical Field

[0001] The utility model relates to the technical field related to bag filters, in particular to an automatic sewage-discharging bag filter. Background Art

[0002] The bag filter is a multi-purpose filtering equipment with novel structure, small size, simple and flexible operation, energy saving, high efficiency, closed working and strong applicability. During the use of the bag filter, impurities in the wastewater will be retained in the filter bag, causing the filter bag to be blocked, affecting the normal use of the bag filter. Therefore, a bag filter with automatic sewage discharge is needed.

[0003] The prior art has the following deficiencies: the prior art "A bag filter with automatic sewage discharge" with publication number CN220478385U "includes a bag filter assembly, the right side of the bag filter assembly is connected to a fan, the air outlet of the fan is connected to an exhaust pipe through a transverse pipe, both sides of the bottom of the bag filter assembly are connected to drive arms, the exhaust pipe is connected to a chip removal mechanism, the chip removal mechanism includes a belt, the top and bottom of the belt are connected to a transmission wheel, and the back of the transmission wheel is connected to an impeller at one end close to the exhaust pipe through a transverse axis";

[0004] Although the above-mentioned equipment realizes the cleaning of the filter bag, the filter bag opening is designed to face upward, and impurities will fall to the bottom of the filter bag. When discharging sewage, it is necessary to manually open the top cover of the bag filter and take out the filter bag before discharging sewage, which is more troublesome. At the same time, the filter bag is made of flexible material. After the filter bag is assembled, there is a lack of limiting structure, the filter bag cannot be stretched, and stacking will occur, which affects the subsequent filtration of the wastewater. Utility Model Content

[0005] The purpose of the utility model is to provide a bag filter with automatic sewage discharge to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: an automatic sewage discharge bag filter, comprising a housing, a water inlet pipe, a filter assembly and a fixing assembly, wherein the water inlet pipe is installed on the side wall of the housing, the filter assembly is installed in the housing, and the fixing assembly is installed in the housing and located above the filter assembly;

[0007] The filter assembly includes multiple groups of fixed rods, a protective shell, a drive motor, a support column, a limit plate, a transmission screw and a cleaning part. The multiple groups of fixed rods are symmetrically mounted on the inner wall of the shell by bolts, the protective shell is mounted between the fixed rods by bolts, the drive motor is mounted in the protective shell by bolts, the support column is mounted on the top of the protective shell by bolts, the limit plate is mounted on the top of the support column by bolts, the transmission screw is mounted on the output end of the drive motor and is located in the support column, and the cleaning part is mounted in the shell.

[0008] As a further preferred embodiment of the present technical solution, the cleaning part includes a screw nut, multiple groups of fixing frames, a fixing block, a booster nozzle, a mesh basket, a filter bag and a limiting ring. The screw nut is sleeved and installed on the outside of the transmission screw. The multiple groups of fixing frames are symmetrically installed on the side walls of the screw nut by bolts. The fixing block is rotatably installed on the inner wall of the fixing frame. The booster nozzle is installed on the side wall of the fixing block by bolts. The mesh basket is sleeved on the outside of the limiting plate. The filter bag is sleeved on the outside of the limiting plate and is located on the inner wall of the mesh basket. The limiting ring is installed on the inner wall of the shell by bolts.

[0009] As a further preferred embodiment of the present technical solution, a cavity is provided in the support column, a plurality of through openings are provided on the surface of the support column, the transmission screw is rotatably connected to the top of the support column, and the limit plate is provided corresponding to the filter bag.

[0010] As a further preferred embodiment of the present technical solution, the fixing frame is slidably connected to the supporting column, the fixing block is driven and controlled by a micro motor, the booster nozzle is connected to the water pipe, the surface of the basket has a mesh structure, and the limiting ring has a circular ring structure.

[0011] As a further preferred embodiment of the present technical solution, the shell side wall is equipped with multiple sets of supporting legs by bolts, a sewage pipe is installed through the bottom of the shell, the sewage pipe is controlled by a solenoid valve, and a water outlet pipe is installed through the shell side wall, and the water outlet pipe is higher than the water inlet pipe.

[0012] As a further preferred embodiment of the present technical solution, the fixing assembly includes an end cover, a limit block, a threaded rod and a pressure plate, the end cover is installed on the top of the shell through a flange, the limit block is embedded in the end cover, the threaded rod is installed through both ends of the limit block, and the pressure plate is rotatably installed at one end of the threaded rod.

[0013] As a further preferred embodiment of the present technical solution, the end cover is arranged corresponding to the shell, and the limit block is screwed with the threaded rod through threads.

[0014] The utility model provides a bag filter with automatic sewage discharge, which has the following beneficial effects:

[0015] (1) The utility model is provided with a filter assembly, and wastewater can be filtered by a filter bag. The filter bag can be limited and stabilized by a support column, a limit plate and a mesh basket to prevent the filter bag from falling and ensure that the filter bag is stretched out, which is beneficial to the filtering of wastewater. The filter bag opening is set downward, and the filtered impurities can directly fall to the bottom of the shell and finally be discharged from the sewage pipe, thereby achieving an automatic sewage discharge effect and avoiding the need for users to take out the filter bag for sewage discharge. When the filter bag needs to be cleaned, the drive motor is used to drive the transmission screw to rotate. Under the limit of the through-hole of the side wall of the support column, the rotation of the transmission screw drives the screw nut to move, and the movement of the screw nut drives the fixing frame to move. The movement of the fixing frame drives the booster nozzle to move, so as to flush the inner wall of the filter bag, prevent the filter bag from being blocked by dirt and affect the filtration of wastewater, and realize automatic sewage discharge and cleaning of the filter bag.

[0016] (2) The utility model is provided with a fixing assembly. The user puts the filter bag into the mesh basket and then puts it on the outside of the limit plate, puts it into the shell, and then covers the end cover. Finally, the threaded rod is rotated. Under the limit of the limit block, the rotation of the threaded rod causes the threaded rod to move. The movement of the threaded rod drives the pressure plate to move. Under the limit of the limit ring, the mesh basket and the filter bag are installed and fixed, which is convenient for the subsequent stable filtration of the wastewater. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the filter assembly of the utility model;

[0019] Figure 3 This is a schematic diagram of the cleaning unit structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the net basket and filter bag of the utility model;

[0021] Figure 5 It is a schematic diagram of the structure of the fixing component of the utility model.

[0022] In the figure: 1. Shell; 2. Water inlet pipe; 3. Filter assembly; 4. Fixing assembly; 5. Fixing rod; 6. Protective shell; 7. Drive motor; 8. Support column; 9. Limiting plate; 10. Transmission screw; 11. Cleaning part; 12. Screw nut; 13. Fixing frame; 14. Fixing block; 15. Booster nozzle; 16. Net basket; 17. Filter bag; 18. Limiting ring; 19. Support leg; 20. Drain pipe; 21. Water outlet pipe; 22. End cover; 23. Limiting block; 24. Threaded rod; 25. Pressure plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] The utility model provides a technical solution: Figure 2 and Figure 3As shown, in this embodiment, an automatic sewage discharge bag filter includes a shell 1, an inlet pipe 2, a filter assembly 3 and a fixing assembly 4, the inlet pipe 2 is installed on the side wall of the shell 1, the filter assembly 3 is installed in the shell 1, the fixing assembly 4 is installed in the shell 1 and is located above the filter assembly 3, the filter assembly 3 can filter the wastewater, the fixing assembly 4 can fix the basket 16 and the filter bag 17, the filter assembly 3 includes multiple groups of fixing rods 5, a protective shell 6, a drive motor 7, a support column 8, a limit plate 9, a transmission screw 10 and a cleaning part 11, multiple groups of the fixing rods 5 are symmetrically installed on the inner wall of the shell 1 by bolts, the protective shell 6 is installed between the fixing rods 5 by bolts, and the drive motor 7 is installed by bolts In the protective shell 6, the support column 8 is installed at the top of the protective shell 6 by bolts, the limit plate 9 is installed at the top of the support column 8 by bolts, the transmission screw 10 is installed at the output end of the drive motor 7 and is located in the support column 8, and the cleaning part 11 is installed in the shell 1. The protective shell 6 can be used to protect the drive motor 7. The support column 8, the limit plate 9 and the basket 16 can be used to limit and stabilize the filter bag 17 to prevent the filter bag 17 from falling, so as to ensure that the filter bag 17 is stretched, which is beneficial to the filtering of wastewater. The filter bag 17 is opened downward, and the filtered impurities can fall directly to the bottom of the shell 1, and finally be discharged by the sewage pipe 20, so as to achieve the automatic sewage discharge effect and avoid the need for users to take out the filter bag 17 for sewage discharge. The cleaning part 11 includes A screw nut 12, multiple groups of fixing frames 13, a fixing block 14, a booster nozzle 15, a mesh basket 16, a filter bag 17 and a limiting ring 18, wherein the screw nut 12 is sleeved and installed on the outside of the transmission screw 10, multiple groups of the fixing frames 13 are symmetrically installed on the side walls of the screw nut 12 by bolts, the fixing block 14 is rotatably installed on the inner wall of the fixing frame 13, the booster nozzle 15 is installed on the side wall of the fixing block 14 by bolts, the mesh basket 16 is sleeved on the outside of the limiting plate 9, the filter bag 17 is sleeved on the outside of the limiting plate 9 and is located on the inner wall of the mesh basket 16, the limiting ring 18 is installed on the inner wall of the housing 1 by bolts, a cavity is provided in the support column 8, and multiple groups of through holes are opened on the surface of the support column 8, the transmission screw 10 is rotatably connected to the top of the support column 8, and the The limiting plate 9 is arranged corresponding to the filter bag 17, the fixing frame 13 is slidably connected to the support column 8, the fixing block 14 is driven and controlled by a micro motor, the booster nozzle 15 is connected to the water pipe, the surface of the net basket 16 is a mesh structure, and the limiting ring 18 is a circular ring structure. The filter bag 17 can be used to filter wastewater. When the filter bag 17 needs to be cleaned, the driving motor 7 is used to drive the transmission screw 10 to rotate. Under the limitation of the through-hole of the side wall of the support column 8, the rotation of the transmission screw 10 drives the screw nut 12 to move, and the movement of the screw nut 12 drives the fixing frame 13 to move, and the movement of the fixing frame 13 drives the booster nozzle 15 to move, so that the inner wall of the filter bag 17 can be washed to prevent the filter bag 17 from being blocked due to dirt and affecting the filtration of wastewater.Realize automatic sewage discharge and cleaning of the filter bag 17.

[0025] like Figure 1 and Figure 4 As shown, the fixing assembly 4 includes an end cover 22, a limit block 23, a threaded rod 24 and a pressure plate 25. The end cover 22 is installed on the top of the shell 1 through a flange, the limit block 23 is embedded in the end cover 22, the threaded rod 24 is penetrated and installed at both ends of the limit block 23, and the pressure plate 25 is rotatably installed at one end of the threaded rod 24. The end cover 22 is correspondingly arranged with the shell 1, and the limit block 23 and the threaded rod 24 are screwed together by threads. The user puts the filter bag 17 in the net basket 16 and puts it on the outside of the limit plate 9, puts it into the shell 1, and then covers the end cover 22, and finally rotates the threaded rod 24. Under the limit of the limit block 23, the rotation of the threaded rod 24 causes itself to move, and the movement of the threaded rod 24 drives the pressure plate 25 to move. Under the limit of the limit ring 18, the installation and fixation of the net basket 16 and the filter bag 17 are completed, which is convenient for the subsequent stable filtration of the wastewater.

[0026] The utility model provides a bag filter with automatic sewage discharge, and the specific working principle is as follows:

[0027] When using the bag filter, wastewater enters through the water inlet pipe 2 and is discharged through the water outlet pipe 21, and the filtering process is completed in the housing 1. By providing a fixing component 4, the user puts the filter bag 17 in the net basket 16 and sets it on the outside of the limiting plate 9, puts it into the housing 1, and then covers the end cover 22, and finally rotates the threaded rod 24. Under the limit of the limiting block 23, the rotation of the threaded rod 24 causes itself to move, and the movement of the threaded rod 24 drives the pressure plate 25 to move. Under the limit of the limiting ring 18, the installation and fixation of the net basket 16 and the filter bag 17 are completed, which is convenient for the subsequent stable filtration of the wastewater. By providing a filtering component 3, the filter bag 17 can be used to filter the wastewater, and the support column 8, the limiting plate 9 and the net basket 16 can be used to limit and stabilize the filter bag 17 to prevent the filter bag from 17 falls, so as to ensure that the filter bag 17 is stretched out, which is beneficial to the filtering of wastewater. The opening of the filter bag 17 is set downward, and the filtered impurities can directly fall to the bottom of the shell 1, and finally be discharged from the sewage pipe 20, so as to achieve the automatic sewage discharge effect, and avoid the need for users to take out the filter bag 17 for sewage discharge. When the filter bag 17 needs to be cleaned, the driving motor 7 is used to drive the transmission screw 10 to rotate. Under the limit of the through-hole of the side wall of the support column 8, the rotation of the transmission screw 10 drives the screw nut 12 to move, and the movement of the screw nut 12 drives the fixing frame 13 to move, and the movement of the fixing frame 13 drives the booster nozzle 15 to move, so as to rinse the inner wall of the filter bag 17, prevent the filter bag 17 from being blocked by dirt and affect the filtering of wastewater, and realize the automatic sewage discharge and cleaning of the filter bag 17.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bag filter with automatic sewage discharge, characterized in that: It comprises a housing (1), a water inlet pipe (2), a filter assembly (3) and a fixing assembly (4), wherein the water inlet pipe (2) is installed through a side wall of the housing (1), the filter assembly (3) is installed in the housing (1), and the fixing assembly (4) is installed in the housing (1) and is located above the filter assembly (3); The filter assembly (3) comprises a plurality of sets of fixing rods (5), a protective shell (6), a driving motor (7), a support column (8), a limiting plate (9), a transmission screw (10) and a cleaning part (11), wherein the plurality of sets of fixing rods (5) are symmetrically mounted on the inner wall of the housing (1) by means of bolts, the protective shell (6) is mounted between the fixing rods (5) by means of bolts, the driving motor (7) is mounted in the protective shell (6) by means of bolts, the support column (8) is mounted at the top of the protective shell (6) by means of bolts, the limiting plate (9) is mounted at the top of the support column (8) by means of bolts, the transmission screw (10) is mounted at the output end of the driving motor (7) and is located in the support column (8), and the cleaning part (11) is mounted in the housing (1).

2. The automatic sewage discharge bag filter according to claim 1, characterized in that: The cleaning part (11) comprises a screw nut (12), a plurality of sets of fixing frames (13), a fixing block (14), a booster nozzle (15), a mesh basket (16), a filter bag (17) and a limiting ring (18); the screw nut (12) is sleeved and mounted on the outside of the transmission screw (10); the plurality of sets of fixing frames (13) are symmetrically mounted on the side wall of the screw nut (12) by bolts; the fixing block (14) is rotatably mounted on the inner wall of the fixing frame (13); the booster nozzle (15) is mounted on the side wall of the fixing block (14) by bolts; the mesh basket (16) is sleeved on the outside of the limiting plate (9); the filter bag (17) is sleeved on the outside of the limiting plate (9) and is located on the inner wall of the mesh basket (16); and the limiting ring (18) is mounted on the inner wall of the housing (1) by bolts.

3. The automatic sewage discharge bag filter according to claim 1, characterized in that: The support column (8) is provided with a cavity, and the surface of the support column (8) is provided with a plurality of through openings. The transmission screw (10) is rotatably connected to the top of the support column (8), and the limit plate (9) and the filter bag (17) are arranged correspondingly.

4. The automatic sewage discharge bag filter according to claim 2, characterized in that: The fixing frame (13) is slidably connected to the supporting column (8), the fixing block (14) is driven and controlled by a micro motor, the booster nozzle (15) is connected to the water pipe, the surface of the net basket (16) is a mesh structure, and the limiting ring (18) is a circular ring structure.

5. The automatic sewage discharge bag filter according to claim 1, characterized in that: The side wall of the shell (1) is installed with multiple groups of supporting legs (19) by means of bolts; a sewage pipe (20) is installed through the bottom of the shell (1); the sewage pipe (20) is controlled by a solenoid valve; and a water outlet pipe (21) is installed through the side wall of the shell (1); the water outlet pipe (21) is higher than the water inlet pipe (2).

6. The automatic sewage discharge bag filter according to claim 1, characterized in that: The fixing assembly (4) comprises an end cover (22), a limit block (23), a threaded rod (24) and a pressure plate (25); the end cover (22) is mounted on the top of the housing (1) via a flange; the limit block (23) is embedded in the end cover (22); the threaded rod (24) is passed through and mounted at both ends of the limit block (23); and the pressure plate (25) is rotatably mounted on one end of the threaded rod (24).

7. The automatic sewage discharge bag filter according to claim 6, characterized in that: The end cover (22) is arranged corresponding to the housing (1), and the limit block (23) is screwed with the threaded rod (24) via threads.

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