CN210438587U - Multistage sewage treatment plant - Google Patents
Multistage sewage treatment plant Download PDFInfo
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- CN210438587U CN210438587U CN201921216811.XU CN201921216811U CN210438587U CN 210438587 U CN210438587 U CN 210438587U CN 201921216811 U CN201921216811 U CN 201921216811U CN 210438587 U CN210438587 U CN 210438587U
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Abstract
The utility model discloses a multistage sewage treatment plant, the barrel that sets up including the level, locate the water inlet and the delivery port at barrel both ends, set gradually in the facultative anaerobism pond in the barrel along the direction of water inlet to delivery port, the anaerobism filtering bed pond, contact aeration tank and sedimentation disinfection pond, facultative anaerobism pond and anaerobism filtering bed pond communicate each other, contact aeration tank and sedimentation disinfection pond communicate each other, the device is still including locating the elevator pump in the anaerobism filtering bed pond, inlet tube and outlet pipe that communicates mutually with the elevator pump, the inlet tube is located the anaerobism filtering bed pond, outlet pipe one end communicates mutually with the elevator pump, the other end is located contact aeration tank top. The utility model discloses a multistage sewage treatment plant, through locating same barrel with facultative anaerobism pond, anaerobism filter bed pond, contact aeration tank and sedimentation disinfection pond, very big simplification the structure, and the elevator pump can promote sewage to contact aeration tank's top and down rush out, has avoided the sewage backward flow, has improved the aeration effect.
Description
Technical Field
The utility model relates to a domestic sewage treatment field, concretely relates to multistage sewage treatment plant.
Background
Domestic sewage is wastewater discharged in daily life of residents and mainly comes from residential buildings and public buildings, such as houses, institutions, schools, hospitals, shops, public places, industrial enterprise toilets and the like. The pollutants contained in the domestic sewage are mainly organic matters (such as protein, carbohydrate, fat, urea, ammonia nitrogen and the like) and a large amount of pathogenic microorganisms (such as parasitic ova, enteroinfectious viruses and the like). Organic matters existing in domestic sewage are extremely unstable and easily decomposed to generate offensive odor. Bacteria and pathogens propagate in large quantities by taking organic matters in domestic sewage as nutrition, and can cause epidemic of infectious diseases. Therefore, domestic sewage must be treated before being discharged.
At present, in most small towns and vast rural areas in China, due to the fact that the coverage rate of a sewage pipe network is low, unified collection and treatment are difficult to achieve, and due to the fact that sewage treatment facilities are complex in structure and high in cost, the sewage treatment facilities are difficult to popularize and apply in the small towns and the vast rural areas, domestic sewage is discharged randomly without being treated basically, and the body health of rural residents is greatly influenced.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art and providing a multistage sewage treatment device which has good sewage treatment effect and simple structure and lower cost.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a multistage sewage treatment plant, multistage sewage treatment plant includes the barrel that the level set up, locates the water inlet and the delivery port at barrel both ends, along the water inlet extremely the direction of delivery port set gradually in facultative anaerobism pond, anaerobism filtering bed pond, contact aeration tank and the sedimentation disinfection pond in the barrel, facultative anaerobism pond with anaerobism filtering bed pond communicates each other, contact aeration tank with the sedimentation disinfection pond communicates each other, multistage sewage treatment plant is still including locating elevator pump in the anaerobism filtering bed pond, with inlet tube and the outlet pipe that the elevator pump communicates mutually, the inlet tube is located anaerobism filtering bed pond is in, outlet pipe one end with elevator pump communicates mutually, and the other end is located contact aeration tank top.
Preferably, a plurality of first spherical material cages are arranged in the facultative anaerobic pool, and facultative anaerobic microbial fillers are arranged in the first spherical material cages.
Preferably, a plurality of second spherical material cages are arranged in the anaerobic filter bed tank, and anaerobic microbial fillers are arranged in the second spherical material cages.
Preferably, the multistage sewage treatment device further comprises an aeration pipe arranged at the bottom of the contact aeration tank, a plurality of aeration holes arranged on the aeration pipe, and an aerator communicated with the aeration pipe.
Further preferably, the multistage sewage treatment device further comprises a filter screen arranged at the bottom of the contact aeration tank.
Still further preferably, the aeration pipes are uniformly arranged below the filter screen.
Preferably, the multi-stage sewage treatment device further comprises a support rod transversely inserted into the contact aeration tank, and a plurality of biological contact filter materials sequentially hung on the support rod along the extension direction of the support rod.
Preferably, the multistage sewage treatment device further comprises a reflux device arranged in the sedimentation and disinfection tank, the reflux device comprises a reflux pump, a first reflux pipe and a second reflux pipe, the first reflux pipe and the second reflux pipe are communicated with the reflux pump, the first reflux pipe is positioned in the sedimentation and disinfection tank, and the second reflux pipe sequentially penetrates through the sedimentation and disinfection tank, the contact aeration tank and the anaerobic filter bed tank and is inserted into the facultative anaerobic tank.
Preferably, the multistage sewage treatment device further comprises an ultraviolet sterilizer arranged in the sedimentation sterilizing tank.
Preferably, the multistage sewage treatment apparatus further includes a plurality of openings provided in the facultative anaerobic tank, the anaerobic filter bed tank, the contact aeration tank, and the sedimentation disinfection tank in one-to-one correspondence, respectively.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the multi-stage sewage treatment device of the utility model realizes the multi-stage treatment of sewage by arranging the facultative anaerobic tank, the anaerobic filter bed tank, the contact aeration tank and the sedimentation disinfection tank in a cylinder together, thereby greatly simplifying the structure, leading the device to have simple structure and lower cost; and a lifting pump is arranged in the anaerobic filter bed tank, so that sewage can be lifted to the top of the contact aeration tank and flushed downwards, the sewage backflow in the contact aeration tank is avoided, and the aeration effect is improved.
Drawings
Fig. 1 is a schematic diagram of the internal structure of the present invention.
Wherein: 1. a barrel; 2. a water inlet; 3. a water outlet; 4. a facultative anaerobic tank; 5. an anaerobic filter bed tank; 6. a contact aeration tank; 7. a sedimentation disinfection tank; 8. a lift pump; 9. a water inlet pipe; 10. a water outlet pipe; 11. a first spherical cage; 12. a second spherical cage; 13. an aeration pipe; 14. an aeration hole; 15. an aerator; 16. filtering with a screen; 17. a support bar; 18. a biological contact filter material; 19. a reflux device; 19a, a reflux pump; 19b, a first return pipe; 19c, a second return pipe; 20. an ultraviolet sterilizer; 21. and (4) opening.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1, a multistage sewage treatment device, this multistage sewage treatment device includes the barrel 1 that the level set up, locate water inlet 2 and the delivery port 3 at barrel 1 both ends, set gradually in facultative anaerobic tank 4 in barrel 1 along the direction of water inlet 2 to delivery port 3, anaerobism filtering bed pond 5, contact aeration tank 6 and sedimentation disinfection pond 7, facultative anaerobic tank 4 and anaerobism filtering bed pond 5 communicate each other, contact aeration tank 6 and sedimentation disinfection pond 7 communicate each other, multistage sewage treatment device is still including locating the elevator pump 8 in anaerobism filtering bed pond 5, inlet tube 9 and the outlet pipe 10 that is linked together with elevator pump 8, inlet tube 9 is located anaerobism filtering bed pond 5, outlet pipe 10 one end is linked together with elevator pump 8, the other end is located the contact aeration tank 6 tops. Here, there are two contact aeration tanks 6. The multi-stage sewage treatment device also comprises a plurality of openings 21 which are respectively arranged on the facultative anaerobic tank 4, the anaerobic filter bed tank 5, the contact aeration tank 6 and the sedimentation disinfection tank 7 in a one-to-one correspondence way. Through the arrangement of the opening 21, when sewage does not need to pass through all treatment steps, the inlet and outlet operations can be directly carried out at the opening 21 of the corresponding treatment tank.
Here, through setting up facultative anaerobism pond 4, anaerobism filtering bed pond 5, contact aeration tank 6 and sedimentation disinfection pond 7 in a barrel 1 jointly, realize the multi-stage treatment of sewage, very big simplification the structure for the device simple structure, cost are lower, can be fine use widely in small towns and vast rural area. In this embodiment, the apparatus includes four stages of processing. Meanwhile, because there are anaerobic microorganisms in facultative anaerobic tank 4 and anaerobic filter bed 5, and there are aerobic microorganisms in the contact aeration tank 6, cause the microorganism loss for avoiding both to mix, anaerobic filter bed 5 and contact aeration tank 6 of this embodiment are not directly communicated with each other, but set up elevator pump 8 in anaerobic filter bed 5, can promote sewage to the top of contact aeration tank 6 and wash out downwards, avoided the sewage backward flow in the contact aeration tank 6, and improved the aeration effect.
In this embodiment, the facultative anaerobic tank 4 is provided with a plurality of first spherical cages 11, and the first spherical cages 11 are provided with the facultative anaerobic microbial fillers. A plurality of second spherical material cages 12 are arranged in the anaerobic filter bed tank 5, and anaerobic microbial fillers are arranged in the second spherical material cages 12. Facultative anaerobes are attached to the facultative anaerobe filler, and anaerobes are attached to the anaerobe filler. The arrangement of the spherical material cage enables sewage to flow between the filter materials more fully, and the biochemical treatment effect of microorganisms is improved. Under the anaerobic condition, facultative anaerobes and denitrifying bacteria are attached to the surface of a biological carrier in the tank, sewage can be decomposed into soluble micromolecular organic matters under the hydrolysis and acidification effects of the facultative anaerobes in the facultative anaerobic tank, and the nitrified nitrogen in the water is released through the denitrification to generate N2, so that the effects of denitrification and organic matter removal are achieved.
The multistage sewage treatment device also comprises an aeration pipe 13 arranged at the bottom of the contact aeration tank 6, a plurality of aeration holes 14 arranged on the aeration pipe 13, an aerator 15 communicated on the aeration pipe 13, a filter screen 16 arranged at the bottom of the contact aeration tank 6, a support rod 17 transversely inserted in the contact aeration tank 6, a plurality of biological contact filter materials 18 sequentially hung on the support rod 17 along the extension direction of the support rod 17, and the aeration pipe 13 is uniformly distributed below the filter screen 16.
Here, microorganisms are attached to both the screen 16 and the biological contact filtering material 18, and the screen 16 and the biological contact filtering material are sufficiently immersed in the sewage. The aerator 15 and the aerator pipe 13 adjust the dissolved gas value in the sewage to maintain a certain oxygen content, dissolved oxygen value and sufficient aeration time, so that the sewage is fully mixed with the biological agent and the digestion and decomposition are accelerated. Here, the biological contact filter material 18 is provided with a plurality of contact plates to which microorganisms are attached.
In this embodiment, the multi-stage sewage treatment apparatus further comprises an ultraviolet sterilizer 20 and a reflux unit 19, which are disposed in the sedimentation sterilization tank 7, wherein the ultraviolet sterilizer 20 is used for performing ultraviolet sterilization on the sewage. The reflux device 19 comprises a reflux pump 19a, a first reflux pipe 19b and a second reflux pipe 19c which are communicated with the reflux pump 19a, the first reflux pipe 19b is positioned in the sedimentation and disinfection tank 7, and the second reflux pipe 19c is inserted in the facultative anaerobic tank 4 after sequentially penetrating through the sedimentation and disinfection tank 7, the contact aeration tank 6 and the anaerobic filter bed tank 5. By the arrangement of the reflux device 19, when the sewage after sedimentation and disinfection still does not reach the standard, the sewage can be sent back to the facultative anaerobic tank 4 for treatment again.
The following specifically explains the working process of this embodiment: when the sewage treatment device works, sewage to be treated is introduced from the water inlet 2 and sequentially passes through the facultative anaerobic tank 4 and the anaerobic filter bed tank 5, the sewage is lifted into the contact aeration tank 6 by the lifting pump 8 after the dual biochemical actions of the facultative anaerobe and the anaerobe, and the sewage flows into the precipitation disinfection tank 7 after the contact aeration of the filter screen 16, the biological contact filter material 18 and the aeration pipe 13 in the contact aeration tank 6 and is finally discharged from the water outlet 3.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a multistage sewage treatment plant which characterized in that: the multistage sewage treatment device comprises a horizontally arranged barrel body (1), a water inlet (2) and a water outlet (3) which are arranged at two ends of the barrel body (1), and a facultative anaerobic tank (4), an anaerobic filter bed tank (5), a contact aeration tank (6) and a precipitation disinfection tank (7) which are sequentially arranged in the barrel body (1) along the direction from the water inlet (2) to the water outlet (3), wherein the facultative anaerobic tank (4) and the anaerobic filter bed tank (5) are communicated with each other, the contact aeration tank (6) and the precipitation disinfection tank (7) are communicated with each other, the multistage sewage treatment device also comprises a lifting pump (8) arranged in the anaerobic filter bed tank (5), a water inlet pipe (9) and a water outlet pipe (10) which are communicated with the lifting pump (8), and the water inlet pipe (9) is positioned in the anaerobic filter bed tank (5), one end of the water outlet pipe (10) is communicated with the lifting pump (8), and the other end is positioned at the top of the contact aeration tank (6).
2. The multi-stage sewage treatment plant of claim 1, wherein: a plurality of first spherical material cages (11) are arranged in the facultative anaerobic tank (4), and facultative anaerobic microbial fillers are arranged in the first spherical material cages (11).
3. The multi-stage sewage treatment plant of claim 1, wherein: a plurality of second spherical material cages (12) are arranged in the anaerobic filter bed tank (5), and anaerobic microbial fillers are arranged in the second spherical material cages (12).
4. The multi-stage sewage treatment plant of claim 1, wherein: the multistage sewage treatment device also comprises an aeration pipe (13) arranged at the bottom of the contact aeration tank (6), a plurality of aeration holes (14) arranged on the aeration pipe (13), and an aerator (15) communicated with the aeration pipe (13).
5. The multi-stage sewage treatment plant of claim 4, wherein: the multistage sewage treatment device also comprises a filter screen (16) arranged at the bottom of the contact aeration tank (6).
6. The multi-stage sewage treatment plant of claim 5, wherein: the aeration pipes (13) are uniformly arranged below the filter screen (16).
7. The multi-stage sewage treatment plant of claim 1, wherein: the multistage sewage treatment device also comprises a support rod (17) transversely inserted in the contact aeration tank (6) and a plurality of biological contact filter materials (18) sequentially hung on the support rod (17) along the extension direction of the support rod (17).
8. The multi-stage sewage treatment plant of claim 1, wherein: the multi-stage sewage treatment device further comprises a reflux device (19) arranged in the sedimentation and disinfection tank (7), the reflux device comprises a reflux pump (19 a), a first reflux pipe (19 b) and a second reflux pipe (19 c) which are communicated with the reflux pump (19 a), the first reflux pipe (19 b) is positioned in the sedimentation and disinfection tank (7), and the second reflux pipe (19 c) sequentially penetrates through the sedimentation and disinfection tank (7), the contact aeration tank (6) and the anaerobic filter bed tank (5) and is inserted into the facultative anaerobic tank (4).
9. The multi-stage sewage treatment plant of claim 1, wherein: the multi-stage sewage treatment device also comprises an ultraviolet sterilizer (20) arranged in the sedimentation sterilizing tank (7).
10. The multi-stage sewage treatment plant of claim 1, wherein: the multi-stage sewage treatment device also comprises a plurality of openings (21) which are respectively arranged on the facultative anaerobic tank (4), the anaerobic filter bed tank (5), the contact aeration tank (6) and the sedimentation disinfection tank (7) in a one-to-one correspondence way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921216811.XU CN210438587U (en) | 2019-07-30 | 2019-07-30 | Multistage sewage treatment plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921216811.XU CN210438587U (en) | 2019-07-30 | 2019-07-30 | Multistage sewage treatment plant |
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| CN210438587U true CN210438587U (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921216811.XU Active CN210438587U (en) | 2019-07-30 | 2019-07-30 | Multistage sewage treatment plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112028341A (en) * | 2020-09-25 | 2020-12-04 | 中国电建集团北京勘测设计研究院有限公司 | Grit material production wastewater treatment system and wastewater treatment method |
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2019
- 2019-07-30 CN CN201921216811.XU patent/CN210438587U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112028341A (en) * | 2020-09-25 | 2020-12-04 | 中国电建集团北京勘测设计研究院有限公司 | Grit material production wastewater treatment system and wastewater treatment method |
| CN112028341B (en) * | 2020-09-25 | 2024-03-22 | 中国电建集团北京勘测设计研究院有限公司 | Sand stone production wastewater treatment system and wastewater treatment method in hydraulic and hydroelectric engineering construction |
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| GR01 | Patent grant | ||
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Address after: 215623 Changnan community, Changyinsha Management District, Zhangjiagang City, Suzhou City, Jiangsu Province (Wilson) Patentee after: Jiangsu Wilson environmental protection equipment Co.,Ltd. Address before: 215623 Changnan community, Changyinsha Management District, Zhangjiagang City, Suzhou City, Jiangsu Province (Wilson) Patentee before: ZHANGJIAGANG WILSON ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |