Unpowered biochemical filtering device for advanced treatment of rural sewage

Abstract

The utility model provides an unpowered biochemical filtering device for advanced treatment of rural sewage, which comprises a sewage filtering structure, the sewage filtering structure comprises a filtering shell, a splitter plate is arranged in the middle of the filtering shell, a blanking pipe is arranged in the middle of the splitter plate, and the diameter of the inner wall of the blanking pipe is equal to that of the outer wall of a recycling bin. The domestic sewage recycling device is reasonable in design, impurities in domestic sewage can be filtered through the inclined filtering baffle arranged in the filtering shell, meanwhile, the domestic sewage washes the surface of the filtering baffle, and the impurities on the surface of the filtering baffle are flushed into the recycling bin; and the recovery bin only needs to be regularly taken out from the interior of the storage shell for cleaning, so that the sewage treatment efficiency of the sewage filtering device is improved.

Description

Technical Field

[0001] The utility model mainly relates to the field of sewage treatment, and particularly relates to a non-powered biochemical filtration device for the advanced treatment of rural sewage. Background Art

[0002] Sewage treatment is a process of purifying sewage to meet the water quality requirements for discharging into a certain water body or reusing it. Sewage treatment is widely applied in various fields such as construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, catering, etc., and is also increasingly entering the daily life of ordinary people;

[0003] When treating domestic sewage in rural areas, there are many impurities in the domestic sewage that need to be cleaned by a filtration device.

[0004] During the operation of specific embodiments, the inventor found the following defects:

[0005] However, the filtration device does not have a discharge structure, and it is necessary to manually clean the filter layer inside the filtration device regularly. When not cleaned for a long time and the impurities block the filtration device, the filtration effect of the filtration device on domestic sewage decreases, and the excess domestic sewage easily overflows from the inside of the filtration device.

[0006] It should be noted that the above content belongs to the technical cognition scope of the inventor. Due to the vast and complex technical content in this field, the above content of this application does not necessarily constitute the prior art. Content of the Utility Model

[0007] 1. Technical problems to be solved by the utility model:

[0008] The utility model provides a non-powered biochemical filtration device for the advanced treatment of rural sewage to solve the technical problems existing in the above background art.

[0009] 2. Technical solutions:

[0010] To achieve the above object, the technical solution provided by the utility model is: a non-powered biochemical filtration device for the advanced treatment of rural sewage, including a storage housing, a fitting ring is arranged inside the storage housing, a sewage filtration structure is arranged inside the fitting ring, a sealing cover is arranged on the top of the storage housing, a plug shaft is arranged in the middle of the sealing cover, and a recovery bin is arranged on the outer wall of the plug shaft;

[0011] The sewage filtration structure includes a filtration housing, a flow distribution plate is arranged in the middle of the filtration housing, a blanking pipe is arranged in the middle of the flow distribution plate, and the inner diameter of the inner wall of the blanking pipe is equal to the outer diameter of the recovery bin.

[0012] Furthermore, an installation ring is provided on the outer wall of the storage housing. Bolt holes are provided inside the installation ring, and a water outlet pipe is provided at the bottom of the storage housing.

[0013] Furthermore, the inner side of the fitting ring is inclined. The cross-section of the filter housing is an isosceles trapezoid, and the outer wall of the filter housing is in contact with the inner wall of the fitting ring.

[0014] Furthermore, a flow dividing plate is provided at the bottom of the filter housing. The flow dividing plate is inclined. A filter plate is provided on the inner wall of the filter housing. The top of the filter plate is inclined, and a packing body is provided on the top of the filter plate.

[0015] Furthermore, water inlets are provided on both sides of the top of the sealing cover. A connecting pipe is provided between the two water inlets, and a groove is provided at the bottom of the connecting pipe.

[0016] Furthermore, a sliding groove is provided on the top of the sealing cover. A feeding pipe is slidably connected to the inner wall of the sliding groove. An installation block is provided on the top of the sealing cover. A rotating ring is rotatably connected to the inner side of the installation block, and a sealing block is provided at the bottom of the rotating ring.

[0017] 3. Beneficial effects:

[0018] Adopting the technical solution provided by the present utility model, compared with the prior art, it has the following beneficial effects:

[0019] In the present utility model, the inclined filter baffle provided inside the filter housing can filter impurities in domestic sewage. At the same time, the domestic sewage flushes the surface of the filter baffle, so that the impurities on the surface of the filter baffle are washed into the inside of the recovery bin. It only needs to regularly take out the recovery bin from the inside of the storage housing for cleaning, which improves the sewage treatment efficiency of the sewage filtering device;

[0020] A plurality of grooves are provided at the bottom of the connecting pipe at the top for uniformly contacting the domestic sewage with the filter plate at the top. At the same time, the filtered sewage continues to move through the separation plate to the outermost side of the filter plate on the next layer, realizing the uniform secondary contact of the domestic sewage with the filter baffle. Moreover, the mesh number of each layer of the filter baffle gradually increases from high to low for filtering impurities of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0022] Figure 2 is a three-dimensional sectional structural schematic diagram of the present utility model;

[0023] Figure 3This is a three-dimensional structure schematic diagram of the sewage filtration structure of the present utility model.

[0024] Reference numerals:

[0025] 1. Storage housing; 2. Installation ring; 3. Bolt hole; 4. Outlet pipe; 5. Fitting ring; 6. Sewage filtration structure; 601. Filtration housing; 602. Shunt plate; 603. Filter plate; 604. Feeding pipe; 605. Filler body; 7. Sealing cover; 8. Inlet; 9. Connecting pipe; 10. Installation block; 11. Rotating ring; 12. Sealing block; 13. Chute; 14. Discharge pipe; 15. Insertion shaft; 16. Recycling bin. Detailed implementation manners

[0026] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present utility model are given in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.

[0027] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model.

[0028] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more unless otherwise specifically defined.

[0029] In the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected to", "fixed", "provided with", "provided in", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations. Embodiment

[0030] Refer to the attached Figures 1 - 3 , a non-powered biochemical filtration device for the advanced treatment of rural sewage, comprising a storage housing 1, wherein a fitting ring 5 is arranged inside the storage housing 1, a sewage filtration structure 6 is arranged inside the fitting ring 5, a sealing cover 7 is arranged on the top of the storage housing 1, a plug shaft 15 is arranged in the middle of the sealing cover 7, and a recovery bin 16 is arranged on the outer wall of the plug shaft 15;

[0031] The sewage filtration structure 6 comprises a filtration housing 601, a flow dividing plate 602 is arranged in the middle of the filtration housing 601, a feeding pipe 604 is arranged in the middle of the flow dividing plate 602, the inner diameter of the inner wall of the feeding pipe 604 is equal to the outer diameter of the outer wall of the recovery bin 16. Sewage enters the inside of the water inlet 8 through a pipeline and enters the inside of the storage housing 1 through the groove at the bottom of the connecting pipe 9. Then, the domestic sewage contacts the sewage filtration structure 6 at the top and is filtered. Then, the filtered domestic sewage enters the next layer of the sewage filtration structure 6 for filtration. After being filtered by a plurality of sewage filtration structures 6, the filtered domestic sewage can be discharged, and the impurities in the domestic sewage enter the inside of the recovery bin 16 for recovery. Subsequently, only need to pull up the plug shaft 15 upwards, the plug shaft 15 drives the recovery bin 16 to move upwards, and the recovery bin 16 is taken out from the inside of the storage housing 1 to clean the impurities inside the recovery bin 16.

[0032] Furthermore, an installation ring 2 is arranged on the outer wall of the storage housing 1, bolt holes 3 are arranged inside the installation ring 2, a water outlet pipe 4 is arranged at the bottom of the storage housing 1, and the filtered sewage can be discharged through the provided water outlet pipe 4. The whole storage housing 1 is buried underground, and only the sealing cover 7 is exposed on the ground.

[0033] Furthermore, the inner side of the fitting ring 5 is inclined, the cross section of the filtration housing 601 is an isosceles trapezoid, and the outer wall of the filtration housing 601 is attached to the inner wall of the fitting ring 5. The sewage filtration structure 6 is directly placed into the fitting ring 5, and the outer wall of the filtration housing 601 is attached to the inner side of the fitting ring 5 to stably fix the sewage filtration structure 6. The provided fitting ring 5 can support the sewage filtration structure 6 and is convenient for subsequent taking of the sewage filtration structure 6.

[0034] Further, a flow dividing plate 602 is provided at the bottom of the filtering housing 601. The flow dividing plate 602 is inclined. A filtering plate 603 is provided on the inner wall of the filtering housing 601. The top of the filtering plate 603 is inclined. A filler body 605 is provided at the top of the filtering plate 603. When the subsequent domestic sewage contacts the filtering plate 603, the sewage can scour the surface of the filtering plate 603, and the impurities attached to the surface of the filtering plate 603 can be directly flushed into the interior of the recovery bin 16. Moreover, the flow dividing plate 602 can guide the filtered sewage, so that the sewage directly contacts the outermost side of the next layer of the filtering plate 603 to scour the impurities on the surface of the filtering plate 603.

[0035] Further, water inlets 8 are formed on both sides of the top of the sealing cover 7. A connecting pipe 9 is arranged between the two water inlets 8. A groove is formed at the bottom of the connecting pipe 9. A chute 13 is formed on the top of the sealing cover 7. A material discharging pipe 14 is slidably connected to the inner wall of the chute 13. An installation block 10 is arranged on the top of the sealing cover 7. A rotating ring 11 is rotatably connected to the inner side of the installation block 10. A sealing block 12 is arranged at the bottom of the rotating ring 11. A sewage treatment agent is placed in the material discharging pipe 14. After the domestic sewage enters the interior of the storage housing 1, it passes through the material discharging pipe 14. The material discharging pipe 14 is of a grid structure, which can enable the sewage to contact the agent inside the material discharging pipe 14 to treat the domestic sewage.

[0036] The above embodiments only represent a certain implementation manner of the present invention, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the patent of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the appended claims.

Claims

1. A non-powered biochemical filtration device for deep treatment of rural sewage, characterized by: include A storage shell (1), wherein a fitting ring (5) is arranged inside the storage shell (1), a sewage filtering structure (6) is arranged inside the fitting ring (5), a sealing cover (7) is arranged on the top of the storage shell (1), an insertion shaft (15) is arranged in the middle of the sealing cover (7), and a recovery bin (16) is arranged on the outer wall of the insertion shaft (15); A sewage filtering structure (6) comprises a filtering housing (601), a flow dividing plate (602) being provided in the middle of the filtering housing (601), a feed pipe (604) being provided in the middle of the flow dividing plate (602), and an inner wall diameter of the feed pipe (604) being equal to an outer wall diameter of a recovery bin (16).

2. The unpowered biochemical filtration device for deep treatment of rural sewage according to claim 1 is characterized in that: The outer wall of the storage shell (1) is provided with a mounting ring (2), a bolt hole (3) is provided inside the mounting ring (2), and a water outlet pipe (4) is provided at the bottom of the storage shell (1).

3. The unpowered biochemical filtration device for deep treatment of rural sewage according to claim 1 is characterized by: The inner side of the fitting ring (5) is arranged to be inclined, the cross section of the filter housing (601) is arranged to be an isosceles trapezoid, and the outer wall of the filter housing (601) fits with the inner wall of the fitting ring (5).

4. The unpowered biochemical filtration device for deep treatment of rural sewage according to claim 1 is characterized in that: The bottom of the filter housing (601) is provided with a flow divider plate (602), the flow divider plate (602) is arranged at an inclination, the inner wall of the filter housing (601) is provided with a filter plate (603), the top of the filter plate (603) is arranged at an inclination, and a filler body (605) is arranged at the top of the filter plate (603).

5. The unpowered biochemical filtration device for deep treatment of rural sewage according to claim 1 is characterized by: Water inlets (8) are provided on both sides of the top of the sealing cover (7), a connecting pipe (9) is provided between the two water inlets (8), and a groove is provided at the bottom of the connecting pipe (9).

6. The unpowered biochemical filtration device for deep treatment of rural sewage according to claim 1 is characterized by: A slide groove (13) is provided on the top of the sealing cover (7), a discharge pipe (14) is slidably connected to the inner wall of the slide groove (13), a mounting block (10) is provided on the top of the sealing cover (7), a rotating ring (11) is rotatably connected to the inner side of the mounting block (10), and a sealing block (12) is provided at the bottom of the rotating ring (11).

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