CN216571798U

CN216571798U - Filter for municipal sewage

Info

Publication number: CN216571798U
Application number: CN202123001287.4U
Authority: CN
Inventors: 崔建平; 李清清; 吉建斌; 赵广胜
Original assignee: Langfang Lanbo Ecological Environment Engineering Co ltd
Current assignee: Langfang Lanbo Ecological Environment Engineering Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-05-24
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a filter for urban sewage, which comprises a filter element, a filter cylinder and a top cover, wherein the filter element is placed on an annular boss on the inner wall of the filter cylinder, and comprises an upper connecting plate, a lower connecting ring, a guide rod and a guide strip. According to the utility model, the guide rod and the guide strip can guide impurities such as hair, so that the hair slides to the sewage draining exit along the guide rod and the guide strip, and the problem that the impurities such as hair are wound to block the filter element is solved. The gib block plays the guide effect to impurity landing such as hair on the one hand, and on the other hand can also avoid making impurity such as hair drop because of the increase of distance between the adjacent guide bar, enters into next treatment process from the liquid outlet, brings the trouble for municipal sewage treatment on next step. The filter has the characteristics of simple structure, good filtering effect, convenience and quickness in installation and the like, can filter impurities such as hair in urban sewage, is not easy to be blocked by the impurities such as hair, and solves the problem that the traditional filter is blocked due to winding and knotting of the impurities such as hair.

Description

Filter for municipal sewage

Technical Field

The utility model belongs to the field of urban sewage treatment, and particularly relates to a filter for urban sewage.

Background

In urban development, urban sewage is used as an important resource and environment carrier, is related to urban survival, restricts urban development, is an important factor influencing urban style and beautifying urban environment, and shows irreplaceable significance in urban construction and urban space development expansion. Along with the acceleration of urbanization pace in China, the sewage production in cities is more and more, and great pressure is brought to environmental protection and treatment work. The filters used in the existing sewage treatment industry are various, such as a grid type filter and the like, but generally can only filter coarse impurities, hair in sewage cannot be filtered, and impurities such as hair in sewage are easy to wind and knot with the filters, so that the filters are not easy to clean and even cause serious blockage.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a filter for municipal sewage, which can be used for filtering hairs in the municipal sewage, has a good filtering effect and solves the problem that the traditional filter is easy to be blocked due to winding and knotting of impurities such as the hairs and the like to influence the filtering.

The technical scheme of the utility model is realized in such a way;

a filter for urban sewage comprises a filter element, a filter cylinder and a top cover; the filter cartridge is a cylindrical structure with a sealed bottom and an opened top; the top cover is hermetically arranged at the top of the filter cylinder; a liquid inlet is formed in the top cover; a plurality of sewage outlets are formed in the outer wall of the filter cylinder, and a liquid outlet is formed in the bottom of the filter cylinder; an annular boss is arranged on the inner wall of the filter cylinder and is positioned below the sewage draining outlet; the filter element is placed on the annular boss;

the filter element comprises an upper connecting plate, a lower connecting ring, a guide rod and a guide strip, wherein the outer diameter of the lower connecting ring is larger than the inner diameter of the annular boss, and the lower connecting ring is placed on the annular boss; a plurality of guide rods distributed in an annular array are arranged between the lower connecting ring and the upper connecting plate, and the outer diameter of the upper connecting plate is smaller than the inner diameter of the lower connecting ring; the guide bar is provided with a plurality of guide strips from top to bottom, the guide strips are arranged on the same side of the guide bar, and the guide strips incline downwards to face the adjacent guide bar.

Furthermore, the guide bar at the top is fixedly connected with the adjacent guide rod, and the guide bar at the bottom is connected with the lower connecting ring.

Further, a plurality of first limiting blocks are arranged on the inner wall of the filter cylinder, and a plurality of second limiting blocks vertically corresponding to the first limiting blocks are arranged at the top of the lower connecting ring; the distance from the first limiting block to the lower connecting ring is equal to the height of the second limiting block, and a notch matched with the first limiting block is formed in the outer wall of the lower connecting ring.

Furthermore, the first limiting blocks are arranged on the inner wall of the filter cylinder between the adjacent sewage outlets, and the number of the first limiting blocks is the same as that of the sewage outlets.

Furthermore, a plurality of sewage outlets are distributed on the outer wall of the filter cylinder in an annular array.

Furthermore, an annular collecting cover is sleeved outside the filter cylinder, and the annular collecting cover and the outer wall of the filter cylinder form a collecting tank communicated with a sewage discharge outlet.

Furthermore, the bottom of the collecting tank is positioned below the sewage draining outlet or is flush with the bottom of the sewage draining outlet.

Furthermore, the upper connecting plate is positioned right below the liquid inlet.

Furthermore, a conical table is arranged at the top of the upper connecting plate.

The utility model discloses a filter for municipal sewage, which has the advantages that a guide rod and a guide strip can guide impurities such as hair and the like, so that the hair slides to a sewage discharge outlet along the guide rod and the guide strip, and the problem that the impurities such as the hair and the like are wound, knotted and blocked in a filtering process of the municipal sewage is solved. The gib block plays the guide effect to impurity landing such as hair on the one hand, and on the other hand because the distance top-down between the adjacent guide bar crescent, the gib block can also avoid between the adjacent guide bar because of the distance increase makes impurity such as hair drop from the guide bar, falls into the filter cylinder of filter core below to discharge from the liquid outlet and enter into treatment process on next step, bring the trouble for municipal sewage treatment on next step. The filter has a simple structure, can filter impurities such as hair in urban sewage, solves the problem that a filter element is blocked by impurities such as hair in the traditional filter, and has the characteristics of good filtering effect, convenience in installation and the like.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken along the front view of FIG. 1;

FIG. 3 is a schematic structural view of a non-top cap, non-annular collection cage of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

fig. 5 is a schematic view of the filter element.

In the figure:

1. a filter element; 2. a filter cartridge; 3. a top cover; 4. an annular boss; 5. a liquid outlet; 6. a sewage draining port; 7. a liquid inlet; 8. a first stopper; 9. an annular collection cage; 10. collecting tank;

21. an upper connecting plate; 22. a lower connecting ring; 23. a guide bar; 24. a guide bar; 25. a second limiting block; 26. a conical table; 27. and (4) a notch.

Detailed Description

The technical solution in the embodiments of the present invention is clearly and completely described below with reference to the drawings in the embodiments of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Referring to fig. 1 to 5, a filter for municipal sewage according to an embodiment of the present invention includes a filter element 1, a filter cartridge 2, and a top cover 3; the filter cartridge 2 is a cylindrical structure with the bottom sealed and the top opened; the top cover 3 is hermetically arranged at the top of the filter cylinder 2; a liquid inlet 7 is arranged on the top cover 3; a plurality of sewage outlets 6 are formed in the outer wall of the filter cylinder 2, and a liquid outlet 5 is formed in the bottom of the filter cylinder 2; an annular boss 4 is arranged on the inner wall of the filter cylinder 2, and the annular boss 4 is positioned below the sewage draining outlet 6; the annular boss 4 is provided with the filter element 1; municipal sewage enters the filter cylinder 2 from the liquid inlet 7, the filter element 1 in the filter cylinder 2 filters the municipal sewage, the filtered hair and other impurities are discharged from the sewage outlet 6, and the sewage passes through the filter element 1 and is discharged from the liquid outlet 5 at the bottom of the filter cylinder 2.

The manner in which the top cover 3 is sealingly attached to the filter cartridge 2 is not limited in the present invention, and a sealing connection method that is conventional in the art may be used.

The filter element 1 comprises an upper connecting plate 21, a lower connecting ring 22, a guide rod 23 and a guide strip 24, wherein the outer diameter of the lower connecting ring 22 is larger than the inner diameter of the annular boss 4, so that the filter element 1 can be placed on the annular boss 4 conveniently, replacement and maintenance of the filter element 1 are facilitated, and impurities such as hair and the like on the filter element 1 are cleaned; a plurality of guide rods 23 distributed in an annular array are arranged between the lower connecting ring 22 and the upper connecting plate 21, and the outer diameter of the upper connecting plate 21 is smaller than the inner diameter of the lower connecting ring 22, so that the guide rods 23 are obliquely arranged, and the filtering of impurities such as hair and the like in urban sewage is facilitated; a plurality of guide strips 24 are arranged on the guide rod 23 from top to bottom, and the guide strips 24 are all arranged on the same side of the guide rod 23 and incline downwards to the adjacent guide rod 23. Guide bar 23 and gib block 24 can play the guide effect to impurity such as hair for the hair is along

guide bar

23 and 24 landing of gib block to drain 6, prevents that in the municipal sewage filtering process, impurity such as hair twines the problem of blockking up filter core 1. The guide strips 24 can guide the falling of impurities such as hair on one hand, and on the other hand, because the distance between the adjacent guide rods 23 is gradually increased from top to bottom, the guide strips 24 can also prevent the impurities such as hair from easily falling off from the guide rods 23 in the falling process due to the increase of the distance between the adjacent guide rods 23, falling into the filter cartridge 2 below the filter element 1, and being discharged from the liquid outlet 5 to enter the next treatment process, which brings troubles to the next urban sewage treatment.

It should be noted that the top surface of the lower connection ring 22 may be flush with the bottom surface of the sewage draining exit 6, or slightly higher than the bottom surface of the sewage draining exit 6, so as to prevent the accumulation of impurities such as hair, and facilitate the discharge of impurities such as hair from the sewage draining exit 6. It should be noted that the surfaces of the guide rod 23 and the guide strip 24 are smooth, which is beneficial for the impurities such as hair to slide down from top to bottom, and the problem of winding and knotting of the impurities such as hair due to the rough surfaces of the guide rod 23 and the guide strip 24 is avoided.

In this embodiment, the uppermost guide bar 24 is connected to the adjacent guide bar 23, and the lowermost guide bar 24 is connected to the lower connection ring 22. The number of the guide strips 24 is not limited in the present invention, and may be 2, or 3 or more (including 3). Referring to fig. 5, the number of the guide bars 24 is 2, the upper guide bar 24 is connected to the adjacent guide bar 23, and the lower guide bar 24 is connected to the top of the lower connection ring 22. When the number of the guide rods is more than 3 (including 3), the guide bar 24 in the middle can be connected with the guide rod 23 or the lower connecting ring 22, which is not limited herein.

In this embodiment, a plurality of first limiting blocks 8 are arranged on the inner wall of the filter cartridge 2, a plurality of second limiting blocks 25 corresponding to the first limiting blocks 8 up and down are arranged on the top of the lower connecting ring 22, the distance from the first limiting blocks 8 to the lower connecting ring 22 is equal to the height of the second limiting blocks 25, and a notch 27 matched with the first limiting blocks 8 is formed in the outer wall of the lower connecting ring 22. When installing filter core 1, breach 27 corresponds from top to bottom with first stopper 8, and filter core 1 passes first stopper 8, lays on straining the cyclic annular boss 4 on 2 inner walls of a jar, rotates filter core 1 and makes the second stopper 25 card at go-between 22 top down go-between 8 below region, is spacing to filter core 1 by first stopper 8, avoids in the filter process because of filter core 1 rocks, the slope influences municipal sewage and filters.

It should be noted that the first limiting blocks 8 are arranged on the inner wall of the filter cylinder 2 between the adjacent sewage outlets 6, and the number of the first limiting blocks 8 is the same as that of the sewage outlets 6.

In this embodiment, a plurality of drain 6 annular array distribute on straining a 2 outer walls, and the setting of a plurality of drain 6 does benefit to impurity discharge such as hair, avoids impurity such as hair to pile up in straining a 2. When the device is used specifically, an annular collecting cover 9 is sleeved outside the filter cylinder 2, the annular collecting cover 9 and the outer wall of the filter cylinder 2 form a collecting tank 10 communicated with the sewage discharge outlet 6, and the collecting tank 10 is favorable for uniformly collecting impurities such as hair and the like flowing out of the sewage discharge outlet 6 on one hand and can prevent urban sewage from flowing out of the sewage discharge outlet 6 to pollute other places on the other hand; the tank bottom of collecting vat 10 is located drain 6 below, or flushes with drain 6 bottom, does benefit to impurity such as hair and flows out from straining a section of thick bamboo 2, avoids impurity such as hair to pile up. In particular application, the top surface of the annular collecting hood 9 can be positioned above the sewage draining exit 6.

In this embodiment, the upper connecting plate 21 is located under the liquid inlet, so that the impact of the municipal sewage on the guide rods 23 and the guide bars 24 is reduced due to the blocking of the upper connecting plate 21, and the falling of impurities such as hairs on the guide rods 23 and the guide bars 24 from the guide rods 23 and the guide bars 24 under the impact of the municipal sewage is prevented, and the impurities fall into the filter cartridge 2 below the filter element 1 and are discharged from the liquid outlet 5 to affect the next treatment process. In a specific application, the top of the upper connecting plate 21 is provided with a conical table 26. Wherein, the upper connecting plate 21 and the conical platform 26 are integrally formed, and the outer diameter of the conical platform 26 is equal to that of the upper connecting plate 21.

The use flow of the present invention is illustrated with reference to fig. 1-5:

open top cap 3, install filter core 1 in straining a section of thick bamboo 2, in the installation, first stopper 8 is aimed at to breach 27 on the filter core 1, pass first stopper 8 and place on cyclic annular boss 4, rotate filter core 1 and make second stopper 25 card on the filter core 1 go into first stopper 8 below, close top cap 3, sewage enters into from inlet 7 of top cap 3 and strains a section of thick bamboo 2, handle sewage by straining filter core 1 in 2, impurity such as hair in the sewage is under the guide of guide bar 23 and gib block 24, landing to drain 6, and flow to collecting vat 10 from drain 6, the sewage of impurity such as filtration hair flows out the filter from liquid outlet 5.

The above detailed description is merely illustrative of possible embodiments of the present invention and is not intended to limit the scope of the utility model, which is intended to include all equivalent embodiments or modifications within the scope of the present invention without departing from the technical spirit of the present invention.

Claims

1. A filter for urban sewage is characterized by comprising a filter element (1), a filter cylinder (2) and a top cover (3); the filter cartridge (2) is a cylindrical structure with a sealed bottom and an opened top; the top cover (3) is hermetically arranged at the top of the filter cylinder (2); a liquid inlet (7) is formed in the top cover (3); a plurality of sewage outlets (6) are formed in the outer wall of the filter cylinder (2), and a liquid outlet (5) is formed in the bottom of the filter cylinder (2); an annular boss (4) is arranged on the inner wall of the filter cylinder (2), and the annular boss (4) is positioned below the sewage draining outlet (6); the filter element (1) is placed on the annular boss (4);

the filter element (1) comprises an upper connecting plate (21), a lower connecting ring (22), a guide rod (23) and a guide strip (24), wherein the outer diameter of the lower connecting ring (22) is larger than the inner diameter of the annular boss (4), and the lower connecting ring (22) is placed on the annular boss (4); a plurality of guide rods (23) distributed in an annular array are arranged between the lower connecting ring (22) and the upper connecting plate (21), and the outer diameter of the upper connecting plate (21) is smaller than the inner diameter of the lower connecting ring (22); the guide rods (23) are provided with a plurality of guide strips (24) from top to bottom, and the guide strips (24) are arranged on the same side of the guide rods (23) and incline downwards to face the adjacent guide rods (23).

2. The municipal sewage filter according to claim 1, wherein the uppermost guide bar (24) is connected to the adjacent guide rod (23), and the lowermost guide bar (24) is connected to the lower connecting ring (22).

3. The municipal sewage filter according to claim 1, wherein a plurality of first stoppers (8) are disposed on the inner wall of the filter cartridge (2), and a plurality of second stoppers (25) vertically corresponding to the first stoppers (8) are disposed on the top of the lower connecting ring (22); the distance from the first limiting block (8) to the top of the lower connecting ring (22) is equal to the height of the second limiting block (25), and a notch (27) matched with the first limiting block (8) is formed in the outer wall of the lower connecting ring (22).

4. The municipal sewage filter according to claim 3, wherein said first stoppers (8) are disposed on the inner wall of said filter cartridge (2) between adjacent said sewage outlets (6), and the number of said first stoppers (8) is the same as the number of said sewage outlets (6).

5. The municipal sewage filter according to claim 1, wherein a plurality of said sewage outfalls (6) are distributed in an annular array on the outer wall of said filter cartridge (2).

6. The municipal sewage filter according to claim 5, wherein the filter cartridge (2) is externally fitted with an annular collecting hood (9), the annular collecting hood (9) and the outer wall of the filter cartridge (2) forming a collecting tank (10) communicating with the sewage drain (6).

7. Filter for municipal sewage according to claim 6, characterized in that the bottom of the collection tank (10) is located below the sewage drain (6) or flush with the bottom of the sewage drain (6).

8. The municipal sewage filter according to claim 1, wherein the upper connecting plate (21) is located directly below the liquid inlet (7).

9. The municipal sewage filter according to claim 8, wherein the top of the upper connecting plate (21) is provided with a tapered table (26).