Filtering and backwashing device

Abstract

The utility model discloses a filtering back-flushing device which comprises a filtering back-flushing tank body, an outer fixing frame is fixed on the outer side wall of the filtering back-flushing tank body, a top cover is clamped at the top of the filtering back-flushing tank body, an air compressor is arranged on one side of the filtering back-flushing tank body, and an air outlet is arranged on the other side of the filtering back-flushing tank body. A back-flushing pipe group is arranged between the air compressor and the interior of the filtering back-flushing tank body, and the inner filter cartridge is mounted at the bottom of the top cover. By installing the sludge pump and the like, the performance of the device is optimized, a worker can start a waterproof motor and an angle sensor on the rotary driving mechanism in the idle period of the device to drive the sealing cover plate to be automatically overturned and opened, so that waste residues retained in the inner filter cartridge can be conveniently discharged through a lower through groove, and the waste residue removal efficiency is improved. And then the sludge pump is started, and the slag can be pumped out of the device through the slag discharge tail pipe, so that the device realizes the automatic slag removal and pollution discharge functions, the manual maintenance cost is reduced, and the popularization is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field related to electromechanical equipment, in particular to a filtering backwashing device. Background Art

[0002] In the actual production and preparation process of electromechanical equipment, some harmful wastewater is often generated. In order to avoid direct discharge of wastewater and cause environmental pollution, the wastewater needs to be purified. In this type of wastewater treatment process, a filtering backwashing device is often required. It can realize continuous filtration and purification of water bodies. However, there are still some defects in the actual operation of the filtering backwashing device.

[0003] The filter backwash device is often difficult to handle the waste residue retained inside the filter structure, and the device needs to be manually disassembled before the waste residue can be cleaned, which makes the device difficult to maintain and has low practicality. In addition, it is not easy to solve the problem of easy clogging of the filter holes during the water filtration process of the filter structure through a multi-stage anti-blocking structure. The single water backwash anti-blocking treatment has the problems of poor anti-blocking protection effect and low water filtration efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a filtering backwashing device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a filtering backwashing device, comprising a filtering backwashing tank body, an outer fixing frame is fixed to the outer side wall of the filtering backwashing tank body, a top cover is clamped on the top of the filtering backwashing tank body, an air compressor is installed on one side of the filtering backwashing tank body, a backwashing pipe group is arranged between the air compressor and the inside of the filtering backwashing tank body, the inner filter cartridge is installed at the bottom of the top cover, a lower through groove is welded on the bottom of the inner filter cartridge, a rotating drive mechanism is evenly installed on one end of the lower through groove, a sealing cover plate matching the lower through groove is connected to the output end of the rotating drive mechanism, a slag discharge tail pipe is fixed to the bottom of the filtering backwashing tank body, a sludge pump is installed on the slag discharge tail pipe, a servo motor is installed at the middle position of the top of the top cover, a rotating shaft is connected to the output end of the servo motor, a scraper in contact with the inner side wall of the inner filter cartridge is fixed on one end of the rotating shaft, a water inlet reserved pipe is arranged on the top cover on one side of the servo motor, and a water outlet reserved pipe is arranged at the bottom end of the filtering backwashing tank body.

[0006] Preferably, threaded fixing holes are evenly arranged at the edge of the bottom of the external fixing frame, so that it is convenient to fix and install the device by screws.

[0007] Preferably, screws connected to the filtering backwashing tank body are evenly arranged on the edge of the top cover, so that it is easy to realize the disassembly, assembly and maintenance between the top cover and the filtering backwashing tank body.

[0008] Preferably, a one-way valve is installed at one end of the recoil pipe assembly close to the air compressor, so that the recoil pipe assembly can be better protected against backflow.

[0009] Preferably, a second threaded assembly port is welded on the top of the inner filter cartridge, and a first threaded assembly port threadably connected to the second threaded assembly port is provided at the middle position of the bottom of the top cover, so as to facilitate independent disassembly of the inner filter cartridge.

[0010] Preferably, the inner filter cartridge has a hollow structure, which optimizes the structure of the inner filter cartridge.

[0011] Preferably, threaded connecting pipes are welded on the water inlet reserved pipe fitting and the water outlet reserved pipe fitting, so that it is easy to connect the water inlet reserved pipe fitting and the water outlet reserved pipe fitting with the external water treatment equipment through the threaded installation structure.

[0012] Preferably, the rotary drive mechanism includes a waterproof motor and an angle sensor, so as to facilitate driving the sealing cover plate to automatically flip.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The filtering backwashing device is equipped with an inner filter cartridge and a sludge pump, etc., so that the device optimizes its own performance. When the device is idle, the staff can start the waterproof motor and angle sensor on the rotating drive mechanism to drive the sealing cover to automatically flip open, which makes it easier for the waste residue retained in the inner filter cartridge to be discharged through the lower through groove. Then the sludge pump is started and the residue can be pumped out of the device through the residue discharge tail pipe. This enables the device to realize the function of automatic residue cleaning and sewage discharge, reduces the labor maintenance cost, and is easy to promote;

[0015] (2) The filter backwashing device is equipped with an air compressor and a backwashing pipe group, so that when the device is actually operated, on the one hand, the air compressor is started, and the compressed air can be evenly backwashed into the interior of the filter backwashing tank through the backwashing pipe group, and then blown from the outside to the inner filter cartridge. This can realize the backwashing and anti-blocking protection of the inner filter cartridge when the wastewater generated in the production and processing of electromechanical equipment is filtered and treated in the inner filter cartridge. Compared with the common water supply backwashing anti-blocking protection, it can reduce the waste of water resources and improve the anti-blocking treatment protection, thereby improving the water treatment efficiency. On the other hand, the servo motor is started to drive the rotating shaft to rotate, and then the scraper on the rotating shaft continuously scrapes and cleans the inner filter cartridge, which is convenient for cleaning the stubborn waste residue adhered to the inside of the inner filter cartridge and further improves the anti-blocking protection of the inner filter cartridge. In addition, the stirring motion can also drive the movement of sewage and improve the sewage filtration and purification efficiency;

[0016] (3) The filter backwashing device is equipped with a top cover and a filter backwashing tank body, so that the device optimizes its own structure. On the one hand, the user can use the threaded installation structure between the second threaded assembly port and the first threaded assembly port to realize independent disassembly of the inner filter cartridge. On the other hand, when in use, the top cover and the filter backwashing tank body can be disassembled and maintained by using the snap-fit ​​connection structure and the locking and fixing effect of the screws. In addition, the one-way valve installed at one end of the backwashing pipe group close to the air compressor can achieve better anti-backflow protection for the backwashing pipe group. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the rear view structure of the filter backwash tank of the utility model;

[0019] Figure 3 This is a schematic diagram of the front view structure of the top cover of the utility model;

[0020] Figure 4 This is a front view structural diagram of the utility model in which the top cover and the inner filter cartridge are disassembled;

[0021] Figure 5 For this utility model Figure 4 Enlarged structural diagram at A in the middle.

[0022] In the figure: 1. external fixing frame; 2. top cover; 3. filter backwash tank; 4. servo motor; 5. air compressor; 6. backwash pipe group; 7. sludge pump; 8. slag tail pipe; 9. outlet reserved pipe fittings; 10. first threaded assembly port; 11. inner filter cartridge; 12. second threaded assembly port; 13. scraper; 14. rotating shaft; 15. inlet reserved pipe fittings; 16. rotating drive mechanism; 17. lower through groove; 18. sealing cover plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5The utility model provides an embodiment: a filtering backwashing device, comprising a filtering backwashing tank body 3, an outer fixing frame 1 is fixed to the outer side wall of the filtering backwashing tank body 3, a top cover 2 is clamped on the top of the filtering backwashing tank body 3, an air compressor 5 is installed on one side of the filtering backwashing tank body 3, and a backwashing pipe group 6 is arranged between the air compressor 5 and the inside of the filtering backwashing tank body 3;

[0025] The edge of the bottom of the external fixing frame 1 is evenly provided with threaded fixing holes, so that it is convenient to fix and install the device by screws;

[0026] The edges of the top cover 2 are evenly provided with screws connected to the filtering backwashing tank body 3, so that it is easy to realize the disassembly and maintenance between the top cover 2 and the filtering backwashing tank body 3;

[0027] A one-way valve is installed at one end of the recoil pipe group 6 close to the air compressor 5, so that the recoil pipe group 6 can be better protected against backflow;

[0028] When in use, the air compressor 5 is started, and the compressed air can be evenly back-blown into the interior of the filter backwash tank 3 through the backwash pipe group 6, and then blown to the inner filter cartridge 11 from the outside to the inside. This can realize the backwashing anti-blocking protection of the inner filter cartridge 11 when the inner filter cartridge 11 filters the wastewater generated in the production and processing of electromechanical equipment. Compared with the common water supply backwashing anti-blocking protection, this can reduce the waste of water resources, improve the anti-blocking treatment protection, and thus improve the water treatment efficiency;

[0029] The inner filter cartridge 11 is installed at the bottom of the top cover 2, and a lower through groove 17 is welded at the bottom of the inner filter cartridge 11. A rotary drive mechanism 16 is evenly installed at one end of the lower through groove 17. The output end of the rotary drive mechanism 16 is connected to a sealing cover plate 18 matching the lower through groove 17. A slag discharge tail pipe 8 is fixed at the bottom of the filtering backwashing tank body 3, and a sludge pump 7 is installed on the slag discharge tail pipe 8.

[0030] A second threaded assembly port 12 is welded on the top of the inner filter cartridge 11, and a first threaded assembly port 10 threadably connected to the second threaded assembly port 12 is provided at the middle position of the bottom of the top cover 2, so that the inner filter cartridge 11 can be easily disassembled independently.

[0031] The inner filter cartridge 11 is hollow, which optimizes the structure of the inner filter cartridge 11;

[0032] The rotary drive mechanism 16 includes a waterproof motor and an angle sensor, so that it is convenient to drive the sealing cover plate 18 to automatically flip;

[0033] When in use, the staff can start the waterproof motor and angle sensor on the rotary drive mechanism 16 during the idle period of the device, and drive the sealing cover plate 18 to automatically flip open, which is convenient for the waste residue retained in the inner filter cylinder 11 to be discharged through the lower through groove 17, and then start the sludge pump 7 to extract the slag material out of the device through the slag discharge tail pipe 8, so that the device can realize the function of automatic slag cleaning and sewage discharge, reduce the manual maintenance cost, and facilitate promotion;

[0034] A servo motor 4 is installed at the middle position of the top of the top cover 2, and a rotating shaft 14 is connected to the output end of the servo motor 4. A scraper 13 in contact with the inner wall of the inner filter cartridge 11 is fixed to one end of the rotating shaft 14. A water inlet reserved pipe 15 is provided on the top cover 2 on one side of the servo motor 4, and a water outlet reserved pipe 9 is provided at the bottom end of the filtering backwashing tank body 3;

[0035] Threaded connecting pipes are welded on the water inlet reserved pipe fitting 15 and the water outlet reserved pipe fitting 9, so that the water inlet reserved pipe fitting 15 and the water outlet reserved pipe fitting 9 can be connected to the external water treatment equipment through the threaded installation structure.

[0036] When the embodiment of the present application is in use: an external power supply and a control device are connected, and the threaded connecting pipes on the water inlet reserved pipe fitting 15 and the water outlet reserved pipe fitting 9 are used to realize the connection between the water inlet reserved pipe fitting 15 and the water outlet reserved pipe fitting 9 and the external water treatment equipment. The wastewater generated in the production and processing of the electromechanical equipment will enter the inner filter cartridge 11 through the water inlet reserved pipe fitting 15 to complete the filtration and purification treatment, and then be discharged through the water outlet reserved pipe fitting 9. In this process, on the one hand, the air compressor 5 is started, and the compressed air can be evenly back-blown into the interior of the filter backwashing tank body 3 through the backwashing pipe group 6, and then blown to the inner filter cartridge 11 from the outside to the inside. This can realize the filtering treatment of the wastewater generated in the production and processing of the electromechanical equipment in the inner filter cartridge 11, and perform backwashing anti-blocking protection on the inner filter cartridge 11. Compared with the common water supply backwashing anti-blocking protection, this can reduce the waste of water resources, and also improve the anti-blocking treatment protection, thereby improving The water treatment efficiency is improved, and on the other hand, the servo motor 4 is started to drive the rotating shaft 14 to rotate, and then the scraper 13 on the rotating shaft 14 continuously scrapes and cleans the inner filter cartridge 11, which is convenient for cleaning the stubborn waste residue adhered to the inside of the inner filter cartridge 11, and further improves the anti-blocking protection of the inner filter cartridge 11. Moreover, the stirring movement can also drive the sewage movement and improve the sewage filtration and purification efficiency. In addition, on the one hand, the user can use the threaded installation structure between the second threaded assembly port 12 and the first threaded assembly port 10 to realize the independent disassembly of the inner filter cartridge 11. On the other hand, when in use, the snap-fit ​​connection structure between the top cover 2 and the filtering backwashing tank body 3 can be used, and the locking and fixing effect of the screws can be used to realize the disassembly and maintenance between the top cover 2 and the filtering backwashing tank body 3. Moreover, the one-way valve installed at one end of the backwashing pipe group 6 close to the air compressor 5 can realize better anti-backflow protection for the backwashing pipe group 6.

Claims

1. A filtering backwashing device, characterized in that: The invention comprises a filtering backwashing tank body (3), an outer wall of which is fixed with an external fixing frame (1), a top cover (2) is clamped on the top of the filtering backwashing tank body (3), an air compressor (5) is installed on one side of the filtering backwashing tank body (3), a backwashing pipe group (6) is arranged between the air compressor (5) and the inside of the filtering backwashing tank body (3), an inner filter cartridge (11) is installed on the bottom of the top cover (2), a lower through groove (17) is welded on the bottom of the inner filter cartridge (11), a rotary drive mechanism (16) is evenly installed at one end of the lower through groove (17), and an output end of the rotary drive mechanism (16) is provided. A sealing cover plate (18) matching the lower through groove (17) is connected, a slag discharge tail pipe (8) is fixed at the bottom of the filtering backwashing tank body (3), a sludge pump (7) is installed on the slag discharge tail pipe (8), a servo motor (4) is installed at the middle position of the top of the top cover (2), an output end of the servo motor (4) is connected to a rotating shaft (14), one end of the rotating shaft (14) is fixed with a scraper (13) in contact with the inner wall of the inner filter cylinder (11), a water inlet reserved pipe fitting (15) is arranged on the top cover (2) on one side of the servo motor (4), and a water outlet reserved pipe fitting (9) is arranged at the bottom end of the filtering backwashing tank body (3).

2. A filtering backwashing device according to claim 1, characterized in that: Threaded fixing holes are evenly arranged at the edge of the bottom of the external fixing frame (1).

3. A filtering backwashing device according to claim 1, characterized in that: Screws connected to the filtering backwashing tank body (3) are evenly arranged at the edge of the top cover (2).

4. A filtering backwashing device according to claim 1, characterized in that: A one-way valve is installed at one end of the recoil pipe group (6) close to the air compressor (5).

5. A filtering backwashing device according to claim 1, characterized in that: A second threaded assembly port (12) is welded to the top of the inner filter cartridge (11), and a first threaded assembly port (10) threadably connected to the second threaded assembly port (12) is provided at the middle position of the bottom of the top cover (2).

6. A filtering backwashing device according to claim 1, characterized in that: The inner filter cartridge (11) has a hollow structure.

7. A filtering backwashing device according to claim 1, characterized in that: The water inlet reserved pipe fitting (15) and the water outlet reserved pipe fitting (9) are both welded with threaded connecting pipes.

8. A filtering backwashing device according to claim 1, characterized in that: The rotary drive mechanism (16) comprises a waterproof motor and an angle sensor.

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