CN216639216U

CN216639216U - Buried domestic sewage treatment device for residential district

Info

Publication number: CN216639216U
Application number: CN202123394867.4U
Authority: CN
Inventors: 潘洪涛
Original assignee: Individual
Current assignee: Xinjiang Tianhe Hongwei Environmental Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-31
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a buried domestic sewage treatment device for a residential community, which comprises a biochemical box, wherein one side of the biochemical box is sequentially provided with a sedimentation tank and a recovery box, the interior of the biochemical box consists of an anoxic zone, an aerobic zone and a denitrification zone, cover plates are arranged on the upper surfaces of the biochemical box corresponding to the anoxic zone, the aerobic zone and the denitrification zone, mounting holes are formed in the upper surfaces of the cover plates, close to each other, of the biochemical box through the anoxic zone, the aerobic zone and the denitrification zone, transmission pipes are fixedly mounted on the cover plates through the mounting holes which are symmetrical in pairs, and a feeding pipe penetrates through the corner of the cover plate above the biochemical box corresponding to the denitrification zone; through the collection box, the filter screen board that set up etc for elastic material that contains in the drainage after deposiing through the gunbarrel is filtered to filter the screen board on, accomplishes the recovery through the filler recovery tube immediately and adds the denitrogenation district through the filling tube once more in, makes elastic material obtain reuse, avoids appearing extravagant phenomenon.

Description

Buried domestic sewage treatment device for residential district

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a buried domestic sewage treatment device for a residential community.

Background

Residential community sewage is different from urban sewage (often including part of industrial wastewater), and belongs to the domestic sewage category. The characteristics of water quality and water quantity can be summarized as follows: the water quality and the water quantity change greatly, the concentration of pollutants is lower, namely, the sewage is lower than that of urban sewage, the biodegradability of the sewage is good, and the treatment difficulty is small. When sewage in residential districts is treated, the sewage belongs to small-sized sewage treatment projects according to actual conditions, and common biochemical treatment processes suitable for the small-sized projects include an A/O process, an A/O contact oxidation process, an A/A/O process and the like.

In the process of using the A/O contact oxidation process, the A/O contact oxidation process is formed by connecting an anoxic tank and an aerobic tank in series, good denitrification effect can be obtained while removing organic matters, an elastic filler is added on the basis of the A/O process, the elastic filler can be recycled, and the prior art cannot complete recovery and is waste; and the wall of the sedimentation tank often has the phenomenon of sludge caking, and the blockage formed after the sludge caking can not return, which is not beneficial to the smooth operation of sewage treatment. Therefore, the underground domestic sewage treatment device for the residential community is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a buried domestic sewage treatment device for a residential community.

In order to solve the technical problems, the utility model provides the following technical scheme: including biochemical case, its characterized in that: one side of biochemical box is equipped with gunbarrel and collection box in proper order, the inside of biochemical box comprises anoxic zone, good oxygen district and denitrogenation district, the biochemical box corresponds the upper surface in anoxic zone, good oxygen district and denitrogenation district and all is equipped with the apron, the biochemical box has seted up the mounting hole through the upper surface of the apron that is close to each other on anoxic zone, good oxygen district and the denitrogenation district, the apron has the transmission pipe through two bisymmetry's mounting hole fixed mounting, the corner of the apron that biochemical box corresponds denitrogenation district top runs through and installs the filling tube, the biochemical box is close to the lower extreme of gunbarrel one side and runs through and installs connecting bend, connecting bend keeps away from the one end of biochemical box and is linked together with the gunbarrel, the biochemical box keeps away from the upper end of gunbarrel one side and runs through and installs the inlet tube, the lower extreme of gunbarrel is connected with the back flow, the other end and the inlet tube of back flow are linked together, one side of the upper end of the outer ring surface of the settling tank is connected with a recovery tank, and an inclined filter screen plate is arranged in the recovery tank.

As a preferable technical scheme of the utility model, a filler recovery pipe penetrates through the upper end of one side of the recovery tank, which is far away from the settling tank, and a clear water discharge pipe penetrates through the lower end of the recovery tank, which is close to the filler recovery pipe.

As a preferable technical scheme of the utility model, the horizontal height of the filler recovery pipe is higher than the height of the upper end of the filter screen plate, and the horizontal height of the clear water discharge pipe is flush with the middle position of the filter screen plate.

As a preferable technical solution of the present invention, a first motor is fixedly installed in the middle of the upper surface of the settling tank, an output end of the first motor faces downward and extends into the settling tank, and a scraping rod is fixedly installed at an output end of the first motor.

As a preferable technical scheme of the utility model, the outer side of the scraping rod is tightly contacted with the inner wall of the settling tank, the lower end of the settling tank is fixedly connected with a sludge discharge pipe, and the lower end of the sludge discharge pipe is communicated with a return pipe.

In a preferred embodiment of the present invention, a pipeline valve is provided outside the sludge discharge pipe.

As a preferable technical scheme of the utility model, the middle part of the biochemical box corresponding to the upper surface of the denitrification area is fixedly provided with a second motor, the output end of the second motor faces downwards and extends into the biochemical box, the output end of the second motor is fixedly provided with a rotating frame, and the lower surface of the rotating frame is provided with uniformly distributed stirring blades.

As a preferred technical solution of the present invention, a protection box is sleeved outside the cover plate corresponding to the second motor.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. elastic materials contained in the drainage water precipitated by the precipitation tank are filtered onto the filter screen plate through the arranged recovery tank, the elastic materials are recovered through the filler recovery pipe and are added into the denitrification area through the feeding pipe again, so that the elastic materials are recycled, and the waste phenomenon is avoided;

2. through scraping mechanism and rabbling mechanism that sets up, at first make sewage mixture and elastic material in the denitrogenation district accomplish the intensive mixing under the combined action of second motor, rotating turret and stirring leaf, further deposit the sewage mixture in the jar under the effect of scraping the pole, avoid settling the in-process mud and produce the phenomenon of jam in the jar caking of appearing in the sedimentation tank.

Drawings

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

FIG. 2 is a partial schematic structural view of the stirring mechanism of the present invention;

fig. 3 is a schematic structural view of a scraping mechanism of the present invention;

FIG. 4 is a partial structural sectional view of the recovery tank of the present invention.

Wherein: 1. a biochemical box; 2. a cover plate; 3. a conveying pipe; 4. a water inlet pipe; 5. a return pipe; 6. a protection box; 7. a feed tube; 8. a settling tank; 9. a recycling bin; 10. a first motor; 11. connecting a bent pipe; 12. a sludge discharge pipe; 13. a filler recovery pipe; 14. a clear water discharge pipe; 15. mounting holes; 16. a second motor; 17. a rotating frame; 18. stirring blades; 19. a scraping bar; 20. a pipeline valve; 21. a filter screen plate.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

referring to fig. 1-4, a buried domestic sewage treatment device for residential quarters comprises a biochemical box 1, a sedimentation tank 8 and a recovery tank 9 are sequentially arranged on one side of the biochemical box 1, the biochemical box 1 is internally composed of an anoxic zone, an aerobic zone and a denitrification zone, cover plates 2 are respectively arranged on the upper surfaces of the biochemical box 1 corresponding to the anoxic zone, the aerobic zone and the denitrification zone, mounting holes 15 are respectively arranged on the upper surfaces of the cover plates 2 close to each other on the biochemical box 1 through the anoxic zone, the aerobic zone and the denitrification zone, transmission pipes 3 are fixedly arranged on the cover plates 2 through the mounting holes 15 which are symmetrical in pairs, a feed pipe 7 is arranged at the corner of the cover plate 2 above the denitrification zone corresponding to the biochemical box 1, a connecting bent pipe 11 is arranged at the lower end of the biochemical box 1 close to the sedimentation tank 8 in a penetrating manner, one end of the connecting bent pipe 11 far away from the biochemical box 1 is communicated with the sedimentation tank 8, a water inlet pipe 4 is arranged at the upper end of the biochemical box 1 far away from the sedimentation tank 8 in a penetrating manner, the lower end of the sedimentation tank 8 is connected with a return pipe 5, the other end of the return pipe 5 is communicated with a water inlet pipe 4, one side of the upper end of the outer annular surface of the sedimentation tank 8 is connected with a recovery tank 9, and an inclined filter screen plate 21 is arranged inside the recovery tank 9.

In other embodiments, a filler recovery pipe 13 is penetratingly installed at the upper end of one side of the recovery tank 9, which is far away from the settling tank 8, and a clean water discharge pipe 14 is penetratingly installed at the lower end of the recovery tank 9, which is close to the filler recovery pipe 13;

when the water in the recycling tank 9 from which the sludge is removed passes, the elastic material in the clean water is filtered and flows out through the filler recycling pipe 13 and the clean water discharging pipe 14 respectively.

In other embodiments, the level of the filler recovery pipe 13 is higher than the height of the upper end of the filter screen plate 21, and the level of the clear water discharge pipe 14 is flush with the middle position of the filter screen plate 21;

through the design, the position relation between the filler recovery pipe 13, the clear water discharge pipe 14 and the filter screen plate 21 can ensure that all elastic materials contained in the clear water can be collected under the filtering effect of the filter screen plate 21, and the repeated utilization is convenient.

In other embodiments, a first motor 10 is fixedly installed in the middle of the upper surface of the settling tank 8, the output end of the first motor 10 faces downward and extends into the settling tank 8, and a scraping rod 19 is fixedly installed at the output end of the first motor 10;

through this design, strike off pole 19 and can strike off the mud of 8 inner walls caking of gunbarrel all to accomplish the discharge through mud discharge pipe 12, make the organic matter in the mud get into biochemical case 1 once more, do benefit to going on of sewage treatment.

In other embodiments, the outer side of the scraping rod 19 is in close contact with the inner wall of the settling tank 8, the lower end of the settling tank 8 is fixedly connected with a sludge discharge pipe 12, the lower end of the sludge discharge pipe 12 is communicated with the return pipe 5, and the outside of the sludge discharge pipe 12 is provided with a pipeline valve 20;

when the clear water is discharged, i.e. the elastic material is recovered, the pipeline valve 20 is closed to prevent the sludge from flowing out, so that the control is convenient.

In other embodiments, a second motor 16 is fixedly installed in the middle of the upper surface of the biochemical box 1 corresponding to the denitrification region, the output end of the second motor 16 faces downward and extends into the biochemical box 1, a rotating frame 17 is fixedly installed at the output end of the second motor 16, and stirring blades 18 which are uniformly distributed are installed on the lower surface of the rotating frame 17;

through this design for can be under the effect that stirring leaf 18 stirs in the biochemical case 1 that the denitrogenation district corresponds, intensive mixing between sewage and the elastic filler.

In other embodiments, the cover plate 2 is sleeved with the protection box 6 corresponding to the outer part of the second motor 16;

by this design, the provision of the protective box 6 facilitates the provision of protection for the second electric machine 16.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bury formula domestic sewage treatment plant for residential quarter, includes biochemical case (1), its characterized in that: one side of biochemical case (1) is equipped with gunbarrel (8) and collection box (9) in proper order, the inside of biochemical case (1) is constituteed by anoxic zone, good oxygen district and denitrogenation district, biochemical case (1) corresponds the upper surface in anoxic zone, good oxygen district and denitrogenation district and all is equipped with apron (2), biochemical case (1) has seted up mounting hole (15) through the upper surface of the apron (2) that is close to each other on anoxic zone, good oxygen district and the denitrogenation district, apron (2) have transmission pipe (3) through mounting hole (15) fixed mounting of two bisymmetry, biochemical case (1) corresponds the corner of apron (2) above the denitrogenation district and runs through and installs filling tube (7), biochemical case (1) is close to the lower extreme through mounting of gunbarrel (8) one side and connects return bend (11), the one end that biochemical case (1) was kept away from in connection return bend (11) is linked together with gunbarrel (8), the biochemical treatment device is characterized in that a water inlet pipe (4) penetrates through the upper end of one side, away from the sedimentation tank (8), of the biochemical treatment box (1), a return pipe (5) is connected to the lower end of the sedimentation tank (8), the other end of the return pipe (5) is communicated with the water inlet pipe (4), one side of the upper end of the outer annular surface of the sedimentation tank (8) is connected with a recovery box (9), and an inclined filter screen plate (21) is arranged inside the recovery box (9).

2. The underground domestic sewage treatment device for residential districts according to claim 1, characterized in that: the upper end of one side of the recovery tank (9), which is far away from the settling tank (8), is provided with a filler recovery pipe (13) in a penetrating way, and the lower end of the recovery tank (9), which is close to the filler recovery pipe (13), is provided with a clear water discharge pipe (14) in a penetrating way.

3. The underground domestic sewage treatment device for residential districts according to claim 2, characterized in that: the horizontal height of the filler recovery pipe (13) is higher than the height of the upper end of the filter screen plate (21), and the horizontal height of the clear water discharge pipe (14) is flush with the middle position of the filter screen plate (21).

4. The underground domestic sewage treatment device for residential districts according to claim 1, characterized in that: the middle part fixed mounting of gunbarrel (8) upper surface has first motor (10), the output of first motor (10) is towards the below and extend to in gunbarrel (8), the output fixed mounting of first motor (10) has scraping rod (19).

5. The underground domestic sewage treatment device for residential districts according to claim 4, characterized in that: the outer side of the scraping rod (19) is in close contact with the inner wall of the settling tank (8), the lower end of the settling tank (8) is fixedly connected with a sludge discharge pipe (12), and the lower end of the sludge discharge pipe (12) is communicated with the return pipe (5).

6. The underground domestic sewage treatment device for residential districts according to claim 5, characterized in that: and a pipeline valve (20) is arranged outside the sludge discharge pipe (12).

7. The underground domestic sewage treatment device for residential districts according to claim 1, characterized in that: biochemical case (1) corresponds the middle part fixed mounting of denitrogenation district upper surface has second motor (16), the output of second motor (16) is towards the below and extends to in biochemical case (1), the output fixed mounting of second motor (16) has rotating turret (17), the lower surface mounting of rotating turret (17) has evenly distributed's stirring leaf (18).

8. The underground domestic sewage treatment device for residential districts according to claim 7, characterized in that: the outer portion, corresponding to the second motor (16), of the cover plate (2) is sleeved with a protection box (6).