CN211141822U - Domestic sewage treatment device - Google Patents
Domestic sewage treatment device Download PDFInfo
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- CN211141822U CN211141822U CN201921897645.4U CN201921897645U CN211141822U CN 211141822 U CN211141822 U CN 211141822U CN 201921897645 U CN201921897645 U CN 201921897645U CN 211141822 U CN211141822 U CN 211141822U
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- grit chamber
- sludge
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Abstract
The utility model discloses a domestic sewage treatment device, including grid canal, grit chamber, equalizing basin and denitration pond in advance, mechanical grid is installed to grid canal upper end, the grit chamber is established on the right side of grid canal to the right side upper end of grid canal is in the top in grit chamber. The utility model discloses in through being equipped with preliminary sedimentation tank, can be with the biochemical degradation of phosphorus denitration, get rid of a large amount of suspended solids and mud after deposiing to after meticulous filter material blocks impurity, limpid water body discharge to reach standard, the mechanical grid can be with clearing away aquatic rubbish article; the grit chamber effectively reduces the content of solid particles in the sewage, protects the sewage lifting device and runs safely; in addition, the sewage concentration is different in different time periods, after the sewage is regulated and homogenized, the sewage is hydrolyzed for a period of time, stable sewage is provided for equipment, the aerobic tank is accompanied with a nitrification process, and microorganisms in the sewage carry out biological metabolism to degrade organic matters.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, especially, relate to a domestic sewage treatment device.
Background
With the rapid development of urban construction industry, domestic sewage is increasing, and in order to prevent pollution and protect the environment, the sewage must be treated, and at present, the domestic sewage mainly comes from toilet flushing water, kitchen washing water, washing machine drainage, shower drainage and other drainage. The domestic sewage contains organic substances such as cellulose, starch, sugar, fat, protein, and the like, and also contains inorganic salts such as nitrogen, phosphorus, and the like. Wherein the organic pollutants and phosphorus cause the greatest damage to the environment and water pollution.
SUMMERY OF THE UTILITY MODEL
The utility model provides a domestic sewage treatment device, aiming at solving the problem of incomplete treatment.
The utility model discloses a realize like this, a domestic sewage treatment plant, include:
the upper end of the grating channel is provided with a mechanical grating;
the grit chamber is arranged on the right side of the grid channel, and the upper end of the right side of the grid channel is positioned above the grit chamber;
the adjusting tank is arranged on the right side of the grit chamber and is communicated with the adjusting tank;
the pre-denitration pool is arranged at the upper end of the right side of the adjusting pool and is communicated with the adjusting pool through a transmission pipe;
the anaerobic tank is arranged on the right side of the pre-denitration tank and is communicated with the regulating tank through a transmission pipe;
the anoxic tank is arranged on the right side of the anaerobic tank;
the aerobic tank is arranged on the right side of the anoxic tank and is communicated with the anoxic tank through a nitrifying liquid return pipe;
the pre-sedimentation tank is arranged on the right side of the aerobic tank and is respectively communicated with the pre-denitrification tank and the anoxic tank through a sludge return pipe;
the treatment tank is arranged on the right side of the pre-sedimentation tank, and a soft fixed filler module is arranged in the treatment tank;
the clean water tank is arranged on the right side of the treatment tank;
the sludge tank is arranged at the lower end of the right side of the clean water tank, and supernatant of the sludge tank overflows to the regulating tank;
the two air pumps are arranged and are respectively communicated with the aerobic tank, the pre-sedimentation tank, the treatment tank, the clean water tank and the sludge tank through transmission pipes;
the discharge groove is formed in the right side of the clean water tank and communicated with the clean water tank.
In order to realize better sewage treatment, the utility model is preferably used, the sewage entering the pre-denitrification tank accounts for 10-30% of the total sewage treatment capacity, and the sewage entering the anaerobic tank accounts for 70-90% of the total sewage treatment capacity.
In order to carry out nitration reaction to sewage, as the utility model relates to an it is preferred, the flowing back liquid of preliminary sedimentation tank flows back to taking off round pin pond and anaerobism pond in advance respectively according to backward flow proportion 10%.
In order to effectively hydrolyze macromolecular organic matters, destroy organic matter molecular chains, convert sewage into carbon dioxide, methane, water and the like, as the utility model relates to an optimal, anaerobic tank and anoxic tank are equipped with biochemical filler internally.
For specific surface area is big, and easy biochemical film forming is big with the air contact surface, compares in traditional biochemical filler, MBBR provides better reproduction hotbed for the microorganism, and good oxygen pond has been accompanied with the nitration process, and microorganism carries out biological metabolism in the sewage with the degradation organic matter, as the utility model relates to an it is preferred, soft fixed filler module chooses exquisite quartz sand for use as the filter material, divide into thick medium-thin three-layer, thick to thin again from the net upper distribution of lower part, every layer 150cm thickness.
In order to regularly carry away mud, as the utility model relates to an it is preferred, the inside mud conveyor that is equipped with of sludge impoundment.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through being equipped with preliminary sedimentation tank, can get rid of a large amount of suspended solids and mud with the biochemical degradation of phosphorus denitration after deposiing to behind meticulous filter material interception impurity, limpid water body discharge to reach standard.
2. The mechanical grating can remove garbage articles in water; the grit chamber effectively reduces the content of solid particles in the sewage, protects the sewage lifting device and runs safely; in addition, the sewage concentration is different in different time periods, and after the sewage is regulated and homogenized, the sewage is hydrolyzed for a period of time, and meanwhile, stable sewage is provided for equipment.
3. The aerobic tank is accompanied with a nitrification process, and microorganisms in the sewage carry out biological metabolism to degrade organic matters.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a grid channel; 2. a mechanical grid; 3. a grit chamber; 4. a regulating tank; 5. a pre-denitration pool; 6. An anaerobic tank; 7. an anoxic tank; 8. an aerobic tank; 9. a pre-sedimentation tank; 10. a treatment tank; 11. a flexible fixed seasoning module; 12. a clean water tank; 13. an air pump; 14. a nitrifying liquid return pipe; 15. a sludge return pipe; 16. A sludge tank; 17. a sludge conveying device; 18. a discharge tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, in the description of the present invention, furthermore, "first", "second", "third", and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. To those of ordinary skill in the art, it will be understood that the specific meaning of the above terms in the present invention "a plurality" means two or more unless otherwise specifically limited.
Referring to fig. 1, the present invention provides a technical solution: the method comprises the following steps:
the device comprises a grid channel 1, wherein a mechanical grid 2 is arranged at the upper end of the grid channel 1;
the grit chamber 3 is arranged on the right side of the grid channel 1, and the upper end of the right side of the grid channel 1 is positioned above the grit chamber 3;
the adjusting tank 4 is arranged on the right side of the grit chamber 3, and the grit chamber 3 is communicated with the adjusting tank 4;
the pre-denitration pool 5 is arranged at the upper end of the right side of the adjusting pool 4, and the pre-denitration pool 5 is communicated with the adjusting pool 4 through a transmission pipe;
the anaerobic tank 6 is arranged on the right side of the pre-denitration tank 5, and the anaerobic tank 6 is communicated with the regulating tank 4 through a transmission pipe;
the anoxic tank 7 is arranged on the right side of the anaerobic tank 6;
the aerobic tank 8 is arranged on the right side of the anoxic tank 7, and the aerobic tank 8 is communicated with the anoxic tank 7 through a nitrifying liquid return pipe 14;
the pre-sedimentation tank 9 is arranged on the right side of the aerobic tank 8, and the pre-sedimentation tank 9 is respectively communicated with the pre-denitrification tank 5 and the anoxic tank 7 through a sludge return pipe 15;
the treatment tank 10 is arranged on the right side of the pre-sedimentation tank 9, and a soft fixed filler module 11 is arranged in the treatment tank 10;
a clean water tank 12, the clean water tank 12 being installed at the right side of the treatment tank 10;
the sludge tank 16 is arranged at the lower end of the right side of the clean water tank 12, and the supernatant of the sludge tank 16 overflows to the regulating tank 4;
the number of the air pumps 13 is two, and the air pumps 13 are respectively communicated with the aerobic tank 8, the pre-sedimentation tank 9, the treatment tank 10, the clean water tank 12 and the sludge tank 16 through transmission pipes;
and a discharge groove 18, wherein the discharge groove 18 is arranged at the right side of the clean water tank 12, and the discharge groove 18 is communicated with the clean water tank 12.
Specifically, the sewage entering the pre-denitrification tank 5 accounts for 10-30% of the total sewage treatment capacity, and the sewage entering the anaerobic tank 6 accounts for 70-90% of the total sewage treatment capacity.
In this embodiment, in order to realize better sewage treatment.
Specifically, the reflux liquid in the pre-sedimentation tank 9 respectively flows back to the pre-denitrification tank 5 and the anaerobic tank 6 according to the reflux proportion of 10%.
In this example, the wastewater was subjected to nitrification.
Specifically, biochemical fillers are arranged in the anaerobic tank 6 and the anoxic tank 7, and the biochemical fillers are MBBR fillers.
In this embodiment, in order to effectively hydrolyze the high molecular organic substance, the molecular chain of the organic substance is destroyed, and the sewage is converted into carbon dioxide, methane, water, and the like.
Specifically, the flexible fixed packing module 11 selects refined quartz sand as a filter material, and is divided into three layers, namely thick, medium and thin layers, wherein the thick layer, the medium layer and the thin layer are distributed on a lower net, and the thickness of each layer is 150 cm.
In the embodiment, in order to have a large specific surface area, easy biochemical film formation and a large contact surface with air, compared with the traditional biochemical filler, the MBBR provides a better breeding hotbed for microorganisms, the aerobic tank is accompanied with a nitrification process, and the microorganisms in the sewage carry out biological metabolism to degrade organic matters.
Specifically, a sludge conveying device 17 is arranged in the sludge tank 16.
In this embodiment, sludge may be periodically transported.
The utility model discloses an use flow: when in use, the raw water treatment link is fine, and the control is efficient. The method comprises the following steps: raw water enters a grid channel 1 for deslagging; entering a grit chamber 3 to reduce the particles in the raw water; the sewage enters an adjusting tank 4 to homogenize the sewage concentration; the nitrate nitrogen which flows back through the pre-denitrification tank 5 and the pre-sedimentation tank 9 is subjected to denitrification reaction; part of raw water directly enters the reaction tank 6 of the anaerobic tank and the sewage treated by the pre-denitrification tank 5 to carry out dephosphorization reaction; the sludge-containing mixed liquid enters the anoxic tank after passing through the anaerobic tank 6 and undergoes denitrification reaction with the nitrifying liquid returned by the aerobic tank 8; after the reaction in the anoxic tank, the sewage enters the aerobic tank 8 for nitration reaction; after passing through the aerobic tank 8, the sewage sludge mixed liquor enters a pre-sedimentation tank 9, clear water at the upper part is discharged from a weir after sedimentation, and the settled sludge is discharged to a sludge tank through a gas stripping device and is sent out for treatment at regular intervals; the relative clear water after precipitation enters the fixed filler module 11, and the clear water is discharged after filtration; the impurities intercepted at the upper part of the filter material layer are back flushed by the air pump 13 and flow back to the regulating tank 4 for retreatment.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A domestic sewage treatment device, comprising:
the device comprises a grid channel (1), wherein a mechanical grid (2) is arranged at the upper end of the grid channel (1);
the grit chamber (3) is arranged on the right side of the grid channel (1), and the upper end of the right side of the grid channel (1) is positioned above the grit chamber (3);
the adjusting tank (4) is arranged on the right side of the grit chamber (3), and the grit chamber (3) is communicated with the adjusting tank (4);
the pre-denitration pool (5) is arranged at the upper end of the right side of the adjusting pool (4), and the pre-denitration pool (5) is communicated with the adjusting pool (4) through a transmission pipe;
the anaerobic tank (6) is arranged on the right side of the pre-denitration tank (5), and the anaerobic tank (6) is communicated with the regulating tank (4) through a transmission pipe;
the anoxic tank (7), the anoxic tank (7) is arranged on the right side of the anaerobic tank (6);
the aerobic tank (8) is arranged on the right side of the anoxic tank (7), and the aerobic tank (8) is communicated with the anoxic tank (7) through a nitrifying liquid return pipe (14);
the pre-sedimentation tank (9), the pre-sedimentation tank (9) is arranged on the right side of the aerobic tank (8), and the pre-sedimentation tank (9) is respectively communicated with the pre-denitrification tank (5) and the anoxic tank (7) through a sludge return pipe (15);
the device comprises a treatment tank (10), wherein the treatment tank (10) is arranged on the right side of a pre-sedimentation tank (9), and a soft fixed filler module (11) is arranged in the treatment tank (10);
the clean water tank (12), the clean water tank (12) is arranged at the right side of the treatment tank (10);
the sludge tank (16) is arranged at the lower end of the right side of the clean water tank (12), and the supernatant of the sludge tank (16) overflows to the regulating tank (4);
the device comprises two air pumps (13), wherein the two air pumps (13) are respectively communicated with an aerobic tank (8), a pre-sedimentation tank (9), a treatment tank (10), a clean water tank (12) and a sludge tank (16) through transmission pipes;
the discharge groove (18) is arranged on the right side of the clean water tank (12), and the discharge groove (18) is communicated with the clean water tank (12).
2. The domestic sewage treatment apparatus according to claim 1, wherein: the sewage entering the pre-denitration tank (5) accounts for 10-30% of the total sewage treatment capacity, and the sewage entering the anaerobic tank (6) accounts for 70-90% of the total sewage treatment capacity.
3. The domestic sewage treatment apparatus according to claim 1, wherein: and the reflux liquid of the pre-sedimentation tank (9) respectively reflows to the pre-denitration tank (5) and the anaerobic tank (6) according to the reflux proportion of 10%.
4. The domestic sewage treatment apparatus according to claim 1, wherein: the anaerobic tank (6) and the anoxic tank (7) are internally provided with biochemical fillers which are MBBR fillers.
5. The domestic sewage treatment apparatus according to claim 1, wherein: the soft fixed packing module (11) selects refined quartz sand as a filter material, is divided into three layers from thick to thin, and is distributed from the lower part of the net from thick to thin, and the thickness of each layer is 150 cm.
6. The domestic sewage treatment apparatus according to claim 1, wherein: and a sludge conveying device (17) is arranged in the sludge tank (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921897645.4U CN211141822U (en) | 2019-11-06 | 2019-11-06 | Domestic sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921897645.4U CN211141822U (en) | 2019-11-06 | 2019-11-06 | Domestic sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211141822U true CN211141822U (en) | 2020-07-31 |
Family
ID=71771915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921897645.4U Active CN211141822U (en) | 2019-11-06 | 2019-11-06 | Domestic sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211141822U (en) |
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2019
- 2019-11-06 CN CN201921897645.4U patent/CN211141822U/en active Active
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Address after: 511300 301-303, third floor, No. 601, Nanjian Avenue, Xindun village, Xintang Town, Guangzhou City, Guangdong Province Patentee after: Guangdong Zhongneng water environment Co.,Ltd. Address before: 511300 No. 150, Xinsha Avenue, Xintang Town, Zengcheng District, Guangzhou, Guangdong Patentee before: GUANGZHOU YONGQING ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd. |