CN218046890U

CN218046890U - Multistage filter device for domestic sewage treatment

Info

Publication number: CN218046890U
Application number: CN202221830926.XU
Authority: CN
Inventors: 桑旭; 蒋作萍; 胡建昌; 陈宗娅; 陈曦曦
Original assignee: Guizhou Water Investment And Water Group Environmental Operation Co ltd
Current assignee: Guizhou Water Investment And Water Group Environmental Operation Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-12-16
Anticipated expiration: 2032-07-15

Abstract

The utility model relates to a multistage filtering device for domestic sewage treatment, which comprises a filtering box with an open top surface, wherein an anti-blocking mechanism is arranged in the opening of the top surface of the filtering box; the inner wall of the movable ring is fixedly connected with a plurality of bristles; through the filter box and the filter cartridge arranged: on one hand, under the action of the filter screen, the sewage is primarily filtered; on the other hand, the sewage is further filtered conveniently, so that foreign matters and the like in the sewage can be effectively removed; the design is convenient for effective filtration of domestic sewage; through the anti-clogging mechanism that sets up: under the action of the brush bristles, the surface of the filter screen can be brushed away in a reciprocating manner, so that the condition that foreign matters and the like are adhered to the surface of the filter screen to cause blockage can be avoided; under the back washing action of the water source, impurities and the like adhered to the filter screen can be washed away; this design can avoid the filter screen to be blockked up, guarantees the filter capacity to sewage.

Description

Multistage filter device for domestic sewage treatment

Technical Field

The utility model relates to a sewage treatment technical field specifically is a multistage filter equipment is used in treatment of domestic sewage.

Background

Domestic sewage often contains a large amount of foreign matters such as garbage, and underground water, river water channels and the like are polluted if the domestic sewage is directly discharged, so that the domestic sewage needs to be treated before being discharged, and the method has important significance for environmental protection;

for example: the utility model patent with the publication number of CN202021742024.1 discloses a rural domestic sewage filtering device, which comprises a box body; the bottom of the box body is obliquely arranged and fixedly connected with a water supply pipe, the bottom end of the water supply pipe is fixedly connected with a disinfection box, the outer side of the bottom of the disinfection box is fixedly connected with a water outlet pipe, a fine hole filter screen is arranged at the fixed connection position of the water outlet pipe and the disinfection box, and one side of the water outlet pipe is in threaded connection with a rotary valve; however, although the rural domestic sewage filtering device is convenient for filtering domestic sewage, when the filtering net of the device is used, the filtering net is easy to be blocked due to the fact that the sewage contains a large amount of solid garbage and the like, and the treatment efficiency of the sewage is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a domestic sewage is multistage filter equipment for treatment to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a multi-stage filtering device for treating domestic sewage comprises a filtering box with an open-top structure, wherein a cylindrical filtering net is fixed at the bottom in the filtering box, a filtering cylinder with an open-top structure is arranged below the filtering box, a supporting net is fixed in the filtering cylinder close to the lower part, and a filtering layer is arranged on the supporting net; an anti-blocking mechanism is arranged in an opening in the top surface of the filter box and comprises a bearing plate, a movable ring is arranged below the bearing plate, two convex blocks are fixed on the outer wall of the movable ring, a plurality of bristles are fixedly connected to the inner wall of the movable ring, the filter screen penetrates through the movable ring, and the tail ends of the bristles abut against the outer wall of the filter screen; a motor is installed on the front side of the top surface of the bearing plate, an output shaft of the motor penetrates through the bearing plate and is coaxially fixed with a threaded rod, a guide rod is arranged on the rear side of the threaded rod, the threaded rod penetrates through a lug on the front side and is in threaded connection with the lug, and the guide rod penetrates through the lug on the rear side and is in sliding connection with the lug; the side wall of the filter box is provided with a sewage inlet, the bottom of the filter box is provided with a sewage outlet, the sewage outlet is connected into the filter cylinder, and the bottom of the filter cylinder is provided with a sewage discharge pipe.

The bottom of the filter box is provided with a plurality of threaded columns positioned on the periphery of the sewage draining outlet, and the threaded columns are provided with nuts; the outer wall of the filter cylinder is provided with lug plates corresponding to the threaded columns in position and quantity, through holes are formed in the lug plates, and the threaded columns penetrate through the corresponding through holes and are fixed to the bottom surfaces of the lug plates through nuts.

The filtering layer sequentially comprises an activated carbon layer, a filtering cotton layer, a quartz sand layer and a cobble layer from bottom to top.

The below department of loading board still is equipped with the casing that is well hollow structure, is equipped with the shower nozzle at the outer wall of casing, the casing pass the filter screen top and extend to inside the filter screen, the top surface of casing be equipped with the connecting pipe, the top surface of loading board install the booster pump, the top of connecting pipe is linked together with the delivery port of booster pump, the water inlet department of booster pump is equipped with the inlet tube.

The bottom of threaded rod is connected with the interior top surface of rose box through the bearing rotation, the bottom of guide arm passes through bolt and the interior top surface fixed connection of rose box.

And the bottom of the outer wall of the filter cylinder is provided with support legs.

The supporting net is of a hollow structure and is fixedly connected with the inner wall of the filter cylinder through bolts.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the filter box and the filter cartridge arranged: on one hand, under the action of the filter screen, the solid garbage and the like in the domestic sewage can be intercepted and filtered conveniently, and the effect of primary filtering is achieved on the sewage; on the other hand, under the action of the activated carbon layer, the quartz sand layer, the filter cotton layer and the like, the sewage is further conveniently filtered, so that foreign matters and the like in the sewage can be effectively removed; the design is convenient for effective filtration of domestic sewage;

2. through the anti-blocking mechanism that sets up: on one hand, the motor drives the movable ring to move up and down, and the surface of the filter screen can be brushed away in a reciprocating manner under the action of the bristles, so that the condition that foreign matters and the like are adhered to the surface of the filter screen to cause blockage can be avoided; on the other hand, the plurality of spray heads spray water source, and impurities and the like adhered on the filter screen can be washed away under the back washing action of the water source; this design can avoid the filter screen to be blockked up, guarantees the filter capacity to sewage.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a structural sectional view of a filter cartridge according to the present invention;

fig. 3 is a partial structural sectional view of the present invention;

fig. 4 is a schematic structural view of the anti-blocking mechanism of the present invention;

FIG. 5 is a schematic view of a part of the anti-jamming mechanism of the present invention;

fig. 6 is a schematic structural view of the middle movable ring of the present invention.

In the figure:

1. a filter box; 11. a filter screen; 12. a sewage inlet; 13. a sewage draining outlet; 14. a threaded post; 15. a nut;

2. a filter cartridge; 21. a support net; 22. an activated carbon layer; 23. a filter cotton layer; 24. a quartz sand layer; 25. a cobble layer; 26. an ear plate; 261. a through hole; 27. a blow-off pipe; 28. a support leg;

3. an anti-clogging mechanism; 31. a carrier plate; 32. a motor; 33. a threaded rod; 34. a guide bar; 35. a movable ring; 351. a bump; 352. brushing; 36. a housing; 361. a spray head; 37. a connecting pipe; 38. a booster pump; 39. and (4) water inlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The embodiment provides a technical scheme: a multi-stage filtering device for treating domestic sewage comprises a filtering box 1 with an open-top structure, a cylindrical filtering net 11 is fixed at the bottom in the filtering box 1, a filtering cylinder 2 with an open-top structure is arranged below the filtering box 1, a supporting net 21 is fixed at a position close to the lower part inside the filtering cylinder 2, and a filtering layer is arranged on the supporting net 21; an anti-blocking mechanism 3 is arranged in an opening in the top surface of the filter box 1, the anti-blocking mechanism 3 comprises a bearing plate 31, a movable ring 35 is arranged below the bearing plate 31, two convex blocks 351 are fixed on the outer wall of the movable ring 35, a plurality of bristles 352 are fixedly connected to the inner wall of the movable ring 35, the filter screen 11 penetrates through the movable ring 35, and the tail ends of the bristles 352 tightly abut against the outer wall of the filter screen 11; a motor 32 is mounted on the front side of the top surface of the bearing plate 31, an output shaft of the motor 32 penetrates through the bearing plate 31 and is coaxially fixed with a threaded rod 33, a guide rod 34 is arranged on the rear side of the threaded rod 33, the threaded rod 33 penetrates through a projection 351 on the front side and is in threaded connection with the projection 351, and the guide rod 34 penetrates through the projection 351 on the rear side and is in sliding connection with the projection 351; the side wall of the filter tank 1 is provided with a sewage inlet 12, the bottom of the filter tank 1 is provided with a sewage outlet 13, the sewage outlet 13 is connected into the filter cylinder 2, and the bottom of the filter cylinder 2 is provided with a sewage discharge pipe 27. The output shaft of the motor 32 drives the threaded rod 33 to rotate, the movable ring 35 can be driven to reciprocate up and down through the forward and reverse rotation of the threaded rod 33, the surface of the filter screen 11 can be rubbed in a reciprocating mode through the bristles 352, and adhered materials on the surface of the filter screen 11 can be removed. The rotation of the threaded rod 33 plays a role in supporting and supporting the rotation, and the arrangement of the guide rod 34 plays a role in guiding the up-and-down movement of the movable ring 35, so that the up-and-down stable movement of the movable ring 35 is ensured.

The bottom of the filter box 1 is provided with a plurality of threaded columns 14 positioned on the periphery of the sewage discharge port 13, and the threaded columns 14 are provided with nuts 15; the outer wall of the filter cartridge 2 is provided with lug plates 26 corresponding to the threaded posts 14 in position and number, through holes 261 are opened in the lug plates 26, and the threaded posts 14 pass through the corresponding through holes 261 and are fixed to the bottom surfaces of the lug plates 26 by nuts 15.

The filtering layer comprises an activated carbon layer 22, a filtering cotton layer 23, a quartz sand layer 24 and a cobble layer 25 from bottom to top in sequence.

The below department of loading board 31 still is equipped with casing 36 that is the cavity formula structure, is equipped with shower nozzle 361 at casing 36's outer wall, casing 36 pass filter screen 11 top and extend to inside filter screen 11, casing 36's top surface be equipped with connecting pipe 37, loading board 31's top surface install booster pump 38, connecting pipe 37's top is linked together with booster pump 38's delivery port, booster pump 38's water inlet department is equipped with inlet tube 39. The bottom end of the threaded rod 33 is rotatably connected with the inner top surface of the filter box 1 through a bearing, and the bottom end of the guide rod 34 is fixedly connected with the inner top surface of the filter box 1 through a bolt.

The bottom of the outer wall of the filter cartridge 2 is provided with a foot 28.

The supporting net 21 is of a hollow structure, and the supporting net 21 is fixedly connected with the inner wall of the filter cylinder 2 through bolts. The supporting net 21 is fixedly connected with the inner wall of the filter cylinder 2 through bolts, the activated carbon layer 22, the filter cotton layer 23, the quartz sand layer 24 and the cobble layer 25 above the supporting net 21 play a supporting role, and meanwhile, the supporting net 21 is convenient to mount and fix in a bolt fixing mode and is convenient to disassemble and assemble.

As shown in fig. 1, the arrangement of the cylindrical filter screen 11 is convenient for intercepting and filtering solid garbage and the like in sewage; as shown in fig. 2, the filter cartridge 2 effectively intercepts and filters impurities and the like in the sewage. And be convenient for be connected and fixed between rose box 1 and the section of thick bamboo 2 of straining, and be convenient for carry out the dismouting.

In this embodiment, a plurality of support legs 2 are fixedly connected to the outer wall of the filter cartridge 2 near the bottom end through bolts, and these support legs 2 can stably support the whole device. The supporting net 21 is fixedly connected with the inner wall of the filter cylinder 2 through bolts, the supporting net 21 supports the filter layer, and the supporting net 21 is convenient to mount and fix and is convenient to dismount and mount in a bolt fixing mode.

The motor 32 and the booster pump 38 in this embodiment are conventional in the art and will not be described in detail herein.

When the filter cartridge is used specifically, sewage enters the filter tank 1 through the sewage inlet 12, meanwhile, impurities in the sewage are intercepted outside the filter screen 11 through the filter screen 11, the filtered sewage enters the filter cartridge 2 through the sewage outlet 13 under the action of gravity, the sewage sequentially passes through the cobble layer 25, the quartz sand layer 24, the filter cotton layer 23 and the activated carbon layer 22, the impurities in the sewage are further intercepted and filtered, and finally, the filtered sewage is discharged to the outside through the sewage discharge pipe 27;

when the filter screen 11 needs to be cleaned, a user firstly switches on the power supply of the motor 32, the output shaft of the motor 32 rotates to drive the threaded rod 33 to rotate, the movable ring 35 moves downwards along with the rotation of the threaded rod 33, when the movable ring 35 moves to the lower part, the output shaft of the motor 32 rotates reversely and drives the threaded rod 33 to rotate reversely, the movable ring 35 moves upwards, the circulation is repeated, the movable ring 35 drives the bristles 352 to clean the surface of the filter screen 11, meanwhile, an external water source enters the water inlet pipe 39, under the action of the booster pump 38, the water source enters the connecting pipe 37 and the shell 36 and is sprayed on the inner wall of the filter screen 11 at a high speed through the plurality of spray heads 361, and impurities and the like adhered to the filter screen 11 can be washed off under the action of the water source.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a multistage filter equipment for domestic sewage treatment, is rose box (1) of open type structure including the top surface, its characterized in that: a cylindrical filter screen (11) is fixed at the bottom in the filter box (1), a filter cylinder (2) with an open-top structure is arranged below the filter box (1), a support screen (21) is fixed in the filter cylinder (2) close to the lower part, and a filter layer is arranged on the support screen (21); an anti-blocking mechanism (3) is arranged in an opening in the top surface of the filter box (1), the anti-blocking mechanism (3) comprises a bearing plate (31), a movable ring (35) is arranged below the bearing plate (31), two convex blocks (351) are fixed on the outer wall of the movable ring (35), a plurality of bristles (352) are fixedly connected to the inner wall of the movable ring (35), the filter screen (11) penetrates through the movable ring (35), and the tail ends of the bristles (352) are tightly abutted to the outer wall of the filter screen (11); a motor (32) is mounted on the front side of the top surface of the bearing plate (31), an output shaft of the motor (32) penetrates through the bearing plate (31) and is coaxially fixed with a threaded rod (33), a guide rod (34) is arranged on the rear side of the threaded rod (33), the threaded rod (33) penetrates through a convex block (351) on the front side and is in threaded connection with the convex block (351), and the guide rod (34) penetrates through the convex block (351) on the rear side and is in sliding connection with the convex block (351); the side wall of the filter box (1) is provided with a sewage inlet (12), the bottom of the filter box (1) is provided with a sewage outlet (13), the sewage outlet (13) is connected into the filter cylinder (2), and the bottom of the filter cylinder (2) is provided with a sewage discharge pipe (27).

2. The multistage filtering device for treating domestic sewage according to claim 1, wherein: a plurality of threaded columns (14) which are positioned on the peripheral side of the sewage draining outlet (13) are arranged at the bottom of the filter box (1), and nuts (15) are arranged on the threaded columns (14); the outer wall of the filter cylinder (2) is provided with lug plates (26) the positions and the number of which correspond to those of the threaded columns (14), the lug plates (26) are provided with through holes (261), and the threaded columns (14) penetrate through the corresponding through holes (261) and are fixed on the bottom surfaces of the lug plates (26) through nuts (15).

3. The multistage filtering device for treating domestic sewage according to claim 1, wherein: the filtering layer is sequentially provided with an activated carbon layer (22), a filtering cotton layer (23), a quartz sand layer (24) and a cobblestone layer (25) from bottom to top.

4. The multistage filtering device for domestic sewage treatment according to claim 1, characterized in that: the below department of loading board (31) still is equipped with casing (36) that are the cavity formula structure, is equipped with shower nozzle (361) at the outer wall of casing (36), casing (36) pass filter screen (11) top and extend to filter screen (11) inside, the top surface of casing (36) be equipped with connecting pipe (37), the top surface of loading board (31) install booster pump (38), the top of connecting pipe (37) is linked together with the delivery port of booster pump (38), the water inlet department of booster pump (38) is equipped with inlet tube (39).

5. The multistage filtering device for treating domestic sewage according to claim 1, wherein: the bottom of threaded rod (33) is connected with the interior top surface of rose box (1) through the bearing rotation, the bottom of guide arm (34) is through the interior top surface fixed connection of bolt and rose box (1).

6. The multistage filtering device for treating domestic sewage according to claim 1, wherein: and the bottom of the outer wall of the filter cylinder (2) is provided with a support leg (28).

7. The multistage filtering device for treating domestic sewage according to claim 1, wherein: the support net (21) is of a hollow structure, and the support net (21) is fixedly connected with the inner wall of the filter cartridge (2) through bolts.