CN215876451U

CN215876451U - Sewage treatment filter tank for urban domestic sewage

Info

Publication number: CN215876451U
Application number: CN202122224622.0U
Authority: CN
Inventors: 张伟锋; 王翰乾
Original assignee: Canature Huayu Environmental Products Co ltd
Current assignee: Canature Huayu Environmental Products Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-02-22
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a sewage treatment filter tank for urban domestic sewage, relates to the relevant field of urban domestic sewage treatment, and aims to solve the problems that the conventional backwashing structure of the sewage treatment filter tank is relatively simple, and impurities attached to a filter cylinder are difficult to remove, so that the subsequent sewage filtration treatment is influenced. The novel anti-washing device is characterized in that a filter cylinder is arranged in the middle of the inside of the protection tank body, the filter cylinder is connected with the protection tank body through a fixed ring body, a back-washing component is arranged in the protection tank body along the outside of the filter cylinder, the back-washing component comprises a back-washing ring pipe, cleaning bristles are fixedly adhered to the inner wall of the back-washing ring pipe and are in contact with the filter cylinder, a back-washing spray head is arranged on the inner side of the back-washing ring pipe in an annular array mode and located in the cleaning bristles, a back-washing water inlet pipe is arranged at the upper end of the back-washing ring pipe, and the back-washing water inlet pipe, the back-washing ring pipe and the back-washing spray head are communicated.

Description

Sewage treatment filter tank for urban domestic sewage

Technical Field

The utility model relates to the relevant field of urban domestic sewage treatment, in particular to a sewage treatment filter tank for urban domestic sewage.

Background

Municipal sewage treatment refers to measures taken to change the nature of sewage so that the sewage does not harm the environmental waters. The urban sewage treatment is generally divided into three stages: first-stage treatment, namely removing insoluble pollutants and parasitic ova in the sewage by using a physical treatment method; the second-stage treatment is to apply a biological treatment method to oxidize and degrade various complex organic matters in the sewage into simple substances; the third-stage treatment is to remove phosphorus, nitrogen, refractory organic matters, inorganic salts and the like in the sewage by applying a chemical precipitation method, a biochemical method, a physicochemical method and the like. The sewage treatment tank is applied to sewage treatment by utilizing the principle that a filter screen blocks objects larger than the diameter of filter holes of the filter screen.

However, the back washing structure of the prior sewage treatment filter tank is relatively simple, and impurities attached to the filter cylinder are difficult to remove, so that the subsequent sewage filtration treatment is influenced; therefore, the market urgently needs to develop a sewage treatment filter tank for urban domestic sewage to help people solve the existing problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sewage treatment filter tank for urban domestic sewage, which aims to solve the problem that the back flush structure of the existing sewage treatment filter tank proposed in the background technology is relatively simple, and impurities attached to a filter cylinder are difficult to remove, so that the subsequent sewage filtration treatment is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an urban sewage is with sewage treatment filter tank, is including the protection tank body, the centre of the internal portion of protection tank is provided with the cartridge filter, the cartridge filter is connected through the fixed ring body with the protection tank body, the internal portion of protection tank is provided with back flush subassembly along the outside of cartridge filter, back flush subassembly includes the back flush ring canal, the inner wall paste of back flush ring canal is fixed with cleaning brush hair, cleaning brush hair and cartridge filter contact, the inboard annular array of back flush ring canal has the back flush shower nozzle, and the back flush shower nozzle is located cleaning brush hair, the upper end of back flush ring canal is provided with the back flush inlet tube, back flush ring canal and back flush shower nozzle intercommunication, and the other end of back flush inlet tube passes protection tank body up end and with protection tank body up end sliding connection.

Preferably, the backwash assembly further comprises an outer sliding ring, the outer sliding ring is fixed with the backwash ring pipe through a connecting portion, two sides of the interior of the protective tank body are rotatably connected with a threaded rod body and a smooth round rod body, the threaded rod body is located at the lower end of the smooth round rod body, a limiting block is fixed on the threaded rod body and the smooth round rod body, the outer sliding ring is connected with the threaded rod body through a threaded pipe, the threaded pipe penetrates through the outer sliding ring and is fixed with the outer sliding ring, the threaded pipe is in threaded connection with the threaded rod body, a first connecting gear is arranged at the upper end of the protective tank body along the upper end of the smooth round rod body, and the first connecting gear is fixed with the smooth round rod body through a key groove.

Preferably, the protection tank body upper end is provided with the second connecting gear along the inboard of first connecting gear, the protection tank body upper end is provided with the third connecting gear along the inboard of second connecting gear, and the third connecting gear is located the centre of the protection tank body upper end, and first connecting gear, second connecting gear and third connecting gear mesh between adjacent, the third connecting gear passes through the keyway with driving motor's output shaft end and fixes.

Preferably, a drain pipe is arranged in the middle of the lower end of the protective tank body and communicated with the filter cartridge.

Preferably, the upper end of the outer side of the protective tank body is provided with a drainage ring pipe, one side of the drainage ring pipe is communicated with a main drainage pipe, the inner side of the drainage ring pipe is annularly arrayed with branch drainage pipes, and the other end of each branch drainage pipe extends into the protective tank body.

Preferably, the lower end of the outer side of the protective tank body is provided with a water inlet ring pipe, one side of the water inlet ring pipe is communicated with a water inlet main pipe, the inner side of the water inlet ring pipe is provided with water inlet branch pipes in a ring array mode, and the other ends of the water inlet branch pipes extend into the filter cartridge.

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

1. the utility model discloses an in, the inboard cleaning brush hair of the back flush ring canal of outer slip ring passes filter hole on the cartridge filter, simply scrubs cartridge filter inner wall impurity, and the back flush shower nozzle carries out the back flush through the water source that back flush inlet tube and back flush ring canal introduced simultaneously to the cartridge filter, makes its inner wall adnexed impurity down washed, and it is simple relatively to have solved the back flush structure of present sewage treatment filter tank, is difficult to get rid of adnexed impurity on straining the section of thick bamboo to influence follow-up sewage filtration treatment's problem.

2. In the utility model, the driving motor drives the third connecting gear to rotate, the second connecting gear rotates in a speed reducing way under the meshing action, and the first connecting gear rotates under the meshing action and drives the threaded rod body and the smooth rod body to rotate; because the threaded rod body is in threaded connection with the threaded pipe, the threaded pipe drives the outer sliding ring to slide downwards, the backwashing sprayer and the cleaning bristles clean the filter cartridge from top to bottom, and impurities are discharged through the drain pipe downwards along with gravity and washing acting force. The auxiliary back-washing component slides to perform cleaning and back-washing, and the impurity removal efficiency is higher.

Drawings

Fig. 1 is a schematic view of the internal structure of the protective tank of the present invention.

FIG. 2 is a schematic view of the overall structure of a sewage treatment canister for municipal sewage according to the present invention.

Fig. 3 is a schematic structural diagram of the backwashing assembly of the present invention.

In the figure: 1. protecting the tank body; 2. a drain collar; 3. a main drain pipe; 4. water drainage branch pipes; 5. a water inlet ring pipe; 6. a water inlet main pipe; 7. water inlet branch pipes; 8. a first connecting gear; 9. a second connecting gear; 10. a third connecting gear; 11. a drive motor; 12. a stationary ring body; 13. a filter cartridge; 14. a threaded rod body; 15. a light round bar body; 16. a backwash assembly; 17. an outer slip ring; 18. a threaded pipe; 19. a connecting portion; 20. back flushing a ring pipe; 21. cleaning the bristles; 22. backwashing the spray head; 23. backwashing the water inlet pipe; 24. a sewage discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, an embodiment of the present invention is shown: a sewage treatment filter tank for urban domestic sewage comprises a protective tank body 1, a filter cylinder 13 is arranged in the middle of the interior of the protective tank body 1, a drain pipe 24 is arranged in the middle of the lower end of the protective tank body 1, the drain pipe 24 is communicated with the filter cylinder 13, the filter cylinder 13 is connected with the protective tank body 1 through a fixed ring body 12, a back washing component 16 is arranged in the interior of the protective tank body 1 along the exterior of the filter cylinder 13, the back washing component 16 comprises a back washing ring pipe 20, cleaning bristles 21 are fixedly adhered to the inner wall of the back washing ring pipe 20, the cleaning bristles 21 are in contact with the filter cylinder 13, the cleaning bristles 21 on the inner side of the back washing ring pipe 20 on the inner side of an outer sliding ring 17 penetrate through filter holes in the filter cylinder 13 to simply scrub impurities on the inner wall of the filter cylinder 13, a back washing nozzle 22 is arranged in an annular array on the inner side of the back washing ring pipe 20, the back washing nozzle 22 is positioned in the cleaning bristles 21, and a back washing water inlet pipe 23 is arranged at the upper end of the back washing ring 20, the backwashing water inlet pipe 23, the backwashing circular pipe 20 and the backwashing nozzle 22 are communicated, the backwashing nozzle 22 performs backwashing on the filter cylinder 13 through a water source introduced by the backwashing water inlet pipe 23 and the backwashing circular pipe 20 to flush down impurities attached to the inner wall of the filter cylinder, the other end of the backwashing water inlet pipe 23 penetrates through the upper end face of the protection tank body 1 and is in sliding connection with the upper end face of the protection tank body 1, the backwashing component 16 further comprises an outer sliding ring 17, the outer sliding ring 17 is fixed with the backwashing circular pipe 20 through a connecting part 19, two sides inside the protection tank body 1 are rotatably connected with a threaded rod body 14 and a smooth rod body 15, the threaded rod body 14 is positioned at the lower end of the smooth rod body 15, the threaded rod body 14 and the smooth rod body 15 are fixed with a limiting block, the outer sliding ring 17 is connected with the threaded rod body 14 through a threaded pipe 18, the threaded pipe 18 penetrates through the outer sliding ring 17 and is fixed with the outer sliding ring 17, and the threaded pipe 18 is connected with the threaded rod body 14 through threads, the upper end of the protective tank body 1 is provided with a first connecting gear 8 along the upper end of the light round rod body 15, the first connecting gear 8 and the light round rod body 15 are fixed through a key slot, the upper end of the protective tank body 1 is provided with a second connecting gear 9 along the inner side of the first connecting gear 8, the upper end of the protective tank body 1 is provided with a third connecting gear 10 along the inner side of the second connecting gear 9, the third connecting gear 10 is positioned in the middle of the upper end of the protective tank body 1, the first connecting gear 8, the second connecting gear 9 and the third connecting gear 10 are meshed with each other and are adjacent, the third connecting gear 10 and the output shaft end of the driving motor 11 are fixed through the key slot, the driving motor 11 is connected with the protective tank body 1 through a motor bracket, and the driving motor 11 drives the third connecting gear 10 to rotate, the second connecting gear 9 rotates in a speed reduction way under the meshing action, and the first connecting gear 8 rotates under the meshing action and drives the threaded rod body 14 and the smooth round rod body 15 to rotate.

Further, the upper end in the protective tank body 1 outside is provided with the drainage ring canal 2, one side intercommunication of drainage ring canal 2 has the main drain 3, the inboard ring array of drainage ring canal 2 has the branch pipe 4 of drainage, the other end of branch pipe 4 of drainage extends to the inside of protective tank body 1, because the mobility of water and the characteristic of cartridge filter 13 interception impurity, the water after the filtration gets into the inside outside along cartridge filter 13 of protective tank body 1 to arrange to the main drain 3 in through branch pipe 4 of drainage and drainage ring canal 2.

Further, the lower extreme in the protective tank body 1 outside is provided with into water ring canal 5, and one side intercommunication of into water ring canal 5 has inlet manifold 6, and inlet ring canal 5's inboard ring array has into water and divides pipe 7, and the other end of intaking divides pipe 7 to extend to the inside of cartridge filter 13, and sewage passes through inlet manifold 6 and gets into water ring canal 5 to through intaking in the branch pipe 7 gets into cartridge filter 13.

The working principle is as follows: during the use, sewage gets into water ring canal 5 through inlet manifold 6 to through the branch pipe 7 entering cartridge filter 13 of intaking, because the mobility of water and the characteristic of cartridge filter 13 interception impurity, the water after the filtration gets into the inside outside along cartridge filter 13 of the protection tank body 1, and arranges to the main sewer 3 in through drainage branch pipe 4 and drainage ring canal 2. When the sewage is treated for a period of time, the water is stopped to enter, and a control valve on the backwashing water inlet pipe 23 is opened; the driving motor 11 drives the third connecting gear 10 to rotate, the second connecting gear 9 rotates in a speed reduction mode under the meshing action, the first connecting gear 8 rotates under the meshing action, and the threaded rod body 14 and the light round rod body 15 are driven to rotate; the threaded rod 14 is in threaded connection with the threaded pipe 18, so that the threaded pipe 18 drives the outer sliding ring 17 to slide downwards, the cleaning bristles 21 on the inner side of the back washing ring pipe 20 on the inner side of the outer sliding ring 17 penetrate through the filtering holes in the filtering cylinder 13 to simply scrub impurities on the inner wall of the filtering cylinder 13, meanwhile, the back washing nozzle 22 performs back washing on the filtering cylinder 13 through a water source introduced by the back washing water inlet pipe 23 and the back washing ring pipe 20, so that the impurities attached to the inner wall of the filtering cylinder 13 are washed down, the filtering cylinder 13 is washed from top to bottom along with the gradual downward sliding of the back washing assembly 16, and the washed sewage and the impurities are discharged through the sewage discharge pipe 24.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a city is sewage treatment filter tank for domestic sewage, includes the protection jar body (1), its characterized in that: the improved backwash structure is characterized in that a filter cylinder (13) is arranged in the middle of the interior of the protection tank body (1), the filter cylinder (13) is connected with the protection tank body (1) through a fixed ring body (12), a backwash assembly (16) is arranged in the interior of the protection tank body (1) along the exterior of the filter cylinder (13), the backwash assembly (16) comprises a backwash ring pipe (20), cleaning bristles (21) are fixedly adhered to the inner wall of the backwash ring pipe (20), the cleaning bristles (21) are in contact with the filter cylinder (13), backwash nozzles (22) are arranged on the inner side of the backwash ring pipe (20) in an annular array mode, the backwash nozzles (22) are located in the cleaning bristles (21), a backwash water inlet pipe (23) is arranged at the upper end of the backwash ring pipe (20), the backwash water inlet pipe (23), the backwash ring pipe (20) and the backwash nozzles (22) are communicated, and the other end of the backwash water inlet pipe (23) penetrates through the upper end face of the protection tank body (1) and is connected with the upper end of the protection tank body (1) The surfaces are connected in a sliding way.

2. The sewage treatment filter tank for the municipal domestic sewage according to claim 1, wherein: the back washing component (16) also comprises an outer sliding ring (17), the outer sliding ring (17) and the back washing ring pipe (20) are fixed through a connecting part (19), the two sides in the protective tank body (1) are rotatably connected with a threaded rod body (14) and a light round rod body (15), the threaded rod body (14) is positioned at the lower end of the light round rod body (15), the threaded rod body (14) and the light round rod body (15) are fixedly provided with a limiting block, the outer sliding ring (17) is connected with the threaded rod body (14) through a threaded pipe (18), the threaded pipe (18) penetrates through the outer sliding ring (17) and is fixed with the outer sliding ring (17), the threaded pipe (18) is connected with the threaded rod body (14) through threads, the upper end of the protective tank body (1) is provided with a first connecting gear (8) along the upper end of the light round rod body (15), and the first connecting gear (8) is fixed with the light round rod body (15) through a key groove.

3. The sewage treatment filter tank for the municipal domestic sewage according to claim 2, wherein: the utility model discloses a protective tank, including protective tank body (1), third connecting gear (10), first connecting gear (8), second connecting gear (9) and third connecting gear (10) are adjacent, the inboard of first connecting gear (8) is provided with second connecting gear (9) along the inboard on the protective tank body (1) upper end, protective tank body (1) upper end is provided with third connecting gear (10) along the inboard of second connecting gear (9), and third connecting gear (10) are located the centre of protective tank body (1) upper end, and first connecting gear (8), second connecting gear (9) and third connecting gear (10) mesh between adjacent, it is fixed that the output shaft end of third connecting gear (10) and driving motor (11) passes through the keyway.

4. The sewage treatment filter tank for the municipal domestic sewage according to claim 1, wherein: a sewage discharge pipe (24) is arranged in the middle of the lower end of the protective tank body (1), and the sewage discharge pipe (24) is communicated with the filter cartridge (13).

5. The sewage treatment filter tank for the municipal domestic sewage according to claim 1, wherein: the upper end of the outer side of the protective tank body (1) is provided with a drainage ring pipe (2), one side of the drainage ring pipe (2) is communicated with a drainage main pipe (3), drainage branch pipes (4) are arranged on the inner side of the drainage ring pipe (2) in an annular array mode, and the other ends of the drainage branch pipes (4) extend into the protective tank body (1).

6. The sewage treatment filter tank for the municipal domestic sewage according to claim 1, wherein: the water inlet ring pipe (5) is arranged at the lower end of the outer side of the protective tank body (1), one side of the water inlet ring pipe (5) is communicated with a water inlet main pipe (6), water inlet branch pipes (7) are arranged on the inner side of the water inlet ring pipe (5) in a ring array mode, and the other ends of the water inlet branch pipes (7) extend to the inside of the filter cartridge (13).