Sewage pre-filtering device

Abstract

The utility model relates to the technical field of sewage filtering, and particularly discloses a sewage pre-filtering device which comprises a rack and a cage frame obliquely arranged at the top of the rack, and a filter cartridge is mounted in the cage frame; driving equipment for driving the filter cartridge to rotate is arranged on one side of the rack, a supporting piece for supporting the filter cartridge to stably rotate is mounted at the top of the rack, and a water inlet pipe extending into the filter cartridge is arranged at one end, far away from the driving equipment, of the filter cartridge; a fixing ring is mounted at the top of the rack, one side of the fixing ring is connected with a fixing rod, and a spiral shifting piece matched with the inner wall of the filter cartridge is mounted on the fixing rod; when the filter cartridge rotates, the spiral shifting piece can scrape residual impurities on the inner wall of the filter cartridge and output the residual impurities from the bottom end of the filter cartridge, so that accumulation of the impurities is effectively avoided, continuous smoothness of the filter cartridge is guaranteed, continuous filtration of the filter cartridge is facilitated, and accumulation of filter residues and blockage of filter holes are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage filtration, in particular to a sewage pre-filtering device. Background Art

[0002] Sewage prefiltration is a crucial step in the wastewater treatment process. Its primary purpose is to remove large suspended solids, solid impurities, and other substances that can affect the efficiency of subsequent treatment processes. Prefiltration effectively removes these large suspended solids and solid impurities, reducing the load on subsequent treatment equipment.

[0003] The sewage pretreatment device disclosed in the existing patent announcement number CN209612368U includes a hollow shell, a water inlet and a water outlet are provided at the end of the shell, a filter is provided between the water inlet and the water outlet, and two plywoods are respectively provided on both sides of the filter to press against the upper and lower positions of the filter, a compressed spring is horizontally provided between the shell and the plywood, a screw rod is horizontally provided on the plywood, the screw rods are symmetrically arranged along the filter, the screw rods are all rotatably connected and sliders are threaded on them, a guide component is provided on the plywood to guide the slider to slide along the length direction of the screw rod, a cleaning component is provided on the side of the slider facing the filter, and the cleaning component abuts the filter; the cleaning component on the sewage pretreatment device can brush the surface of the filter in time to prevent the filter residue from clogging the filter.

[0004] The above-mentioned device uses a filter screen to filter the wastewater during pre-treatment, and a cleaning component brushes the surface of the filter screen. However, the scrubbing is performed horizontally, and impurities after cleaning tend to accumulate on the sides, or affect the movement of the cleaning component, thus affecting the continuous pre-filtration of the wastewater. To address the above problems, a wastewater pre-filtration device is proposed. Utility Model Content

[0005] The purpose of the present invention is to provide a sewage pre-filtering device to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A sewage pre-filtering device comprises a frame and a cage arranged obliquely on the top of the frame, wherein a filter cartridge is installed in the cage;

[0008] A driving device for driving the filter cartridge to rotate is provided on one side of the frame, a support member for supporting the filter cartridge to rotate stably is installed on the top of the frame, and a water inlet pipe extending into the filter cartridge is provided at one end of the filter cartridge away from the driving device;

[0009] A fixing ring is installed on the top of the frame, one side of the fixing ring is connected to a fixing rod, and a spiral pick that cooperates with the inner wall of the filter cartridge is installed on the fixing rod;

[0010] A flow deflector is provided at the bottom of the cage frame. The flow deflector is connected to the frame via a spring seat. A toggle member for driving the flow deflector to vibrate is installed on the frame.

[0011] In an optional solution: the support member includes a support seat, at least two groups of support seats are installed on the top of the frame, three groups of support wheels are installed on each group of support seats, and the support wheels are in contact with the outer wall of the cage.

[0012] In an optional solution: a discharge box is provided at the bottom of the filter cartridge away from the water inlet pipe.

[0013] In an optional solution: the toggle member includes a gear rotatably connected to the frame, the outer wall of the cage is connected to a gear ring meshing with the gear, the shaft end of one side of the gear is connected to a turntable, the turntable is rotatably connected to a rotating rod at an eccentric point away from the gear side, the rotating rod is rotatably connected to a linkage rod at one end away from the turntable, the bottom of the linkage rod is connected to a connecting rod, the connecting rod is connected to the air deflector, and the bottom of the frame is connected to a guide sleeve for guiding the movement of the linkage rod.

[0014] In an optional solution, a fixing seat for fixing a fixing ring is provided on the top of the frame.

[0015] In an optional solution: a water outlet filter plate is provided at the bottom of the deflector cover.

[0016] In an optional solution: the driving device includes a motor frame and a motor mounted on the motor frame, the power output end of the motor is connected to a reducer, and the output shaft of the power output end of the reducer is connected to one end of the cage.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] In the utility model, when the filter drum rotates, the spiral paddles will scrape off the residual impurities on the inner wall of the filter drum and output them from the bottom end of the filter drum, effectively avoiding the accumulation of impurities, ensuring the continuous unobstructed flow of the filter drum, facilitating the continuous filtration of the filter drum, reducing the accumulation of filter residues and the clogging of the filter holes;

[0019] The reciprocating vibration of the guide cover in the utility model can effectively prevent the occurrence of blockage, which is beneficial to the transportation of sewage and some fine impurities filtered onto the guide cover. The vibration makes it difficult for impurities to adhere to the guide cover, thereby keeping the filter plate unobstructed. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of the present utility model.

[0021] Figure 2 It is a structural schematic diagram of the location where the air guide cover is set in the utility model.

[0022] Figure 3This is a schematic diagram of the partially split structure of the utility model.

[0023] Figure 4 It is a structural diagram of the toggle member in the utility model.

[0024] In the figure: 11, frame; 12, water inlet pipe; 13, cage; 14, filter cartridge; 15, drive device; 16, discharge box; 17, deflector; 18, spring seat; 19, connecting rod; 20, support seat; 21, support wheel; 22, fixing ring; 23, fixing rod; 24, spiral paddle; 25, gear ring; 26, turntable; 27, rotating rod; 28, linkage rod; 29, gear. DETAILED DESCRIPTION

[0025] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figures 1-4 In this embodiment, a sewage pre-filtration device includes a frame 11 and a cage 13 obliquely arranged on the top of the frame 11, and a filter cartridge 14 is installed in the cage 13;

[0028] A driving device 15 for driving the filter cartridge 14 to rotate is provided on one side of the frame 11. A support member for supporting the filter cartridge 14 to rotate stably is installed on the top of the frame 11. An end of the filter cartridge 14 away from the driving device 15 is provided with a water inlet pipe 12 extending into the filter cartridge 14.

[0029] A fixing ring 22 is installed on the top of the frame 11, and one side of the fixing ring 22 is connected to a fixing rod 23. A spiral paddle 24 is installed on the fixing rod 23 to cooperate with the inner wall of the filter cartridge 14;

[0030] A deflector 17 is provided at the bottom of the cage 13, and the deflector 17 is connected to the frame 11 through a spring seat 18. A toggle member for driving the deflector 17 to vibrate is installed on the frame 11;

[0031] In this embodiment, the water inlet pipe 12 can be installed on other sewage output equipment or other fixed frames, so that the water outlet end of the water inlet pipe 12 extends into the filter cartridge 14, and the cage frame 13 drives the filter cartridge 14 to rotate, and the sewage is filtered at different positions of the filter cartridge 14. At the same time, when the filter cartridge 14 rotates, the spiral paddle 24 can clean and output impurities remaining on the inner wall of the filter cartridge 14. After the sewage is filtered, it is input into the deflector 17, and the deflector 17 transports the filtered sewage during vibration.

[0032] In another embodiment, the support member includes a support seat 20, at least two groups of support seats 20 are installed on the top of the frame 11, and three groups of support wheels 21 are installed on each group of support seats 20, and the support wheels 21 are in contact with the outer wall of the cage 13;

[0033] When the cage 13 rotates, the support wheels 21 are forced to roll. The arrangement of the support wheels 21 enables the cage 13 to rotate stably.

[0034] like Figure 1 As shown, in another embodiment, a discharge box 16 is provided at the bottom of the filter cartridge 14 away from the water inlet pipe 12; impurities on the inner wall of the filter cartridge 14 are cleaned into the discharge box 16 by the spiral paddle 24 to facilitate subsequent processing. In actual use, a discharge port can be opened on one side of the discharge box 16.

[0035] In another embodiment, the toggle member includes a gear 29 rotatably connected to the frame 11, the outer wall of the cage 13 is connected to a gear ring 25 meshing with the gear 29, one shaft end of the gear 29 is connected to a turntable 26, the turntable 26 is rotatably connected to a rotating rod 27 at an eccentric position away from the gear 29, the rotating rod 27 is rotatably connected to a linkage rod 28 at one end away from the turntable 26, the bottom of the linkage rod 28 is connected to a connecting rod 19, the connecting rod 19 is connected to the air deflector 17, and the bottom of the frame 11 is connected to a guide sleeve for guiding the movement of the linkage rod 28;

[0036] The cage 13 drives the gear ring 25 to rotate, which can drive the gear 29 to rotate, thereby driving the turntable 26 to rotate. The transmission is transmitted through the rotating rod 27, pulling the linkage rod 28 to move back and forth, driving the air deflector 17 to vibrate during the movement. The spring seat 18 can support the reciprocating vibration of the air deflector 17, and the vibration can assist the flow of sewage and impurities in the air deflector 17.

[0037] In another embodiment, a fixing seat for fixing and installing the fixing ring 22 is provided on the top of the frame 11 .

[0038] In another embodiment, a water outlet filter plate is provided at the bottom of the deflector 17 ; after the sewage is pre-filtered by the filter cartridge 14 , it can be filtered again on the water outlet filter plate at the bottom of the deflector 17 .

[0039] In another embodiment, the driving device 15 includes a motor frame and a motor mounted on the motor frame, the power output end of the motor is connected to a reducer, and the output shaft of the power output end of the reducer is connected to one end of the cage 13; the cage 13 can rotate stably.

[0040] The working principle of the utility model is as follows: the water inlet pipe 12 can be installed on other sewage output equipment or other fixed frame, so that the outlet end of the water inlet pipe 12 extends into the filter cartridge 14, the cage frame 13 drives the filter cartridge 14 to rotate, and the sewage is filtered at different positions of the filter cartridge 14. At the same time, when the filter cartridge 14 rotates, the spiral paddle 24 can clean and output the impurities remaining on the inner wall of the filter cartridge 14. The impurities on the inner wall of the filter cartridge 14 are cleaned by the spiral paddle 24 and sent to the discharge box 16 for subsequent treatment. After the sewage is filtered, it is input into the deflector 17, and the cage frame 13 drives the gear ring 25 to rotate, which can drive the gear 29 to rotate, thereby driving the turntable 26 to rotate, and the transmission is transmitted through the rotating rod 27, pulling the linkage rod 28 to move back and forth, driving the deflector 17 to vibrate during the movement, and the spring seat 18 can support the deflector 17 to vibrate reciprocatingly, and the vibration can assist the sewage and impurities in the deflector 17 to flow. After the sewage passes through the pre-filtration of the filter cartridge 14, it can be filtered again on the water outlet filter plate at the bottom of the deflector 17.

[0041] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A sewage pre-filtration device, comprising a frame (11) and a cage (13) obliquely arranged on the top of the frame (11), wherein a filter cartridge (14) is installed in the cage (13); Its characteristics are: A driving device (15) for driving the filter cartridge (14) to rotate is provided on one side of the frame (11); a support member for supporting the filter cartridge (14) to stably rotate is installed on the top of the frame (11); and a water inlet pipe (12) extending into the filter cartridge (14) is provided at one end of the filter cartridge (14) away from the driving device (15); A fixing ring (22) is installed on the top of the frame (11), one side of the fixing ring (22) is connected to a fixing rod (23), and a spiral pick (24) is installed on the fixing rod (23) to cooperate with the inner wall of the filter cartridge (14); A deflector (17) is provided at the bottom of the cage (13), and the deflector (17) is connected to the frame (11) via a spring seat (18). A toggle member for driving the deflector (17) to vibrate is installed on the frame (11).

2. A sewage pre-filtration device according to claim 1, characterized in that: The support member includes a support seat (20), at least two groups of support seats (20) are installed on the top of the frame (11), and three groups of support wheels (21) are installed on each group of support seats (20), and the support wheels (21) are in contact with the outer wall of the cage (13).

3. A sewage pre-filtration device according to claim 1, characterized in that: A discharge box (16) is provided at the bottom of the filter cartridge (14) at one end away from the water inlet pipe (12).

4. A sewage pre-filtration device according to claim 1, characterized in that: The toggle member includes a gear (29) rotatably connected to the frame (11); the outer wall of the cage (13) is connected to a gear ring (25) meshing with the gear (29); an axial end of one side of the gear (29) is connected to a turntable (26); the turntable (26) is rotatably connected to a rotating rod (27) at an eccentric position away from one side of the gear (29); the rotating rod (27) is rotatably connected to an end of the turntable (26) away from the turntable (26); the bottom of the linkage rod (28) is connected to a connecting rod (19); the connecting rod (19) is connected to the air deflector (17); and the bottom of the frame (11) is connected to a guide sleeve for guiding the movement of the linkage rod (28).

5. The sewage pre-filtration device according to claim 1, characterized in that: A fixing seat for fixing and installing a fixing ring (22) is provided on the top of the frame (11).

6. The sewage pre-filtration device according to claim 1, characterized in that: A water outlet filter plate is provided at the bottom of the deflector cover (17).

7. The sewage pre-filtration device according to claim 1, characterized in that: The driving device (15) includes a motor frame and a motor mounted on the motor frame, wherein the power output end of the motor is connected to a reducer, and the output shaft of the power output end of the reducer is connected to one end of the cage frame (13).

Images