CN111892251A - Rural domestic sewage treatment device - Google Patents
Rural domestic sewage treatment device Download PDFInfo
- Publication number
- CN111892251A CN111892251A CN202010802389.7A CN202010802389A CN111892251A CN 111892251 A CN111892251 A CN 111892251A CN 202010802389 A CN202010802389 A CN 202010802389A CN 111892251 A CN111892251 A CN 111892251A
- Authority
- CN
- China
- Prior art keywords
- unit
- sewage treatment
- lift pump
- aerobic
- septic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000005273 aeration Methods 0.000 claims abstract description 40
- 239000010802 sludge Substances 0.000 claims abstract description 25
- 238000001556 precipitation Methods 0.000 claims abstract description 14
- 238000004062 sedimentation Methods 0.000 claims abstract description 9
- 239000002699 waste material Substances 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims description 11
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- 239000011574 phosphorus Substances 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 6
- 239000011449 brick Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 235000019738 Limestone Nutrition 0.000 claims description 2
- 239000006028 limestone Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 abstract description 2
- 230000002262 irrigation Effects 0.000 abstract description 2
- 238000003973 irrigation Methods 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/043—Treatment of partial or bypass streams
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Biological Wastes In General (AREA)
Abstract
The invention belongs to the technical field of sewage treatment, and discloses a rural domestic sewage treatment device which comprises an upper tank body and a lower tank body, wherein the lower tank body comprises a septic unit, a sewage treatment unit and an adjusting unit, wherein the sewage treatment unit and the adjusting unit are arranged around the septic unit; the sewage treatment unit comprises a first anoxic unit, a first aerobic unit, a second anoxic unit, a second aerobic unit and a precipitation unit which are sequentially communicated, and the top of the precipitation unit is provided with a water collecting tank connected with a water outlet pipe; the septic unit is provided with a water inlet pipe, an air lift pump and an air lift pump water outlet pipe are arranged in the septic unit, the air lift pump is provided with an air jet pipe and is connected with the aeration ring pipes in the two aerobic units through an aeration pipeline, and the sedimentation unit and the two aerobic units are communicated with the two anoxic units through a sludge return pipeline by utilizing the air lift pump. The invention has compact and reasonable structure, good treatment effect, low mud absorption work and energy saving, and the treated discharge water can be used for irrigation, thereby not only solving the problems of rural domestic sewage dispersion and unfavorable treatment, but also changing waste into valuable.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a rural domestic sewage treatment device.
Background
With the progress of society, rural living conditions are better and better, the types of sewage pollutants generated in the living process are increased, the concentration is improved, the seating and landing conditions of various villages are different, some rural areas are far away from a sewage treatment plant, the collection and treatment of the sewage in the rural areas in the places have certain difficulty, and the cost is higher. Some peasant households have set up the septic tank and have carried out preliminary treatment to domestic sewage, and the effect is limited, and clearly draw work relatively frequently, and other rural areas have set up sewage treatment facility, and these facilities all set up with the septic tank separately, and area is big usually, and this has received the restriction in the popularization process of rural domestic sewage on-the-spot treatment: the earthwork excavation amount is large, the manufacturing cost is high, and the sewage lifting operation cost is also high. Some rural sewage treatment facilities are shelved due to the problems of cost and expenditure, and even some facilities can not be in contact with the body after running for a period of time. The domestic sewage of individual rural residences is even directly discharged into the water body without being treated, thereby causing the pollution of the surrounding water environment. China is a big agricultural country, the population base of rural areas is large, and the problem of rural domestic sewage treatment is still outstanding.
Disclosure of Invention
The invention aims to solve the problems and provides a rural domestic sewage treatment device which is small in occupied space, low in cost and good in treatment effect.
According to the technical scheme of the invention, the rural domestic sewage treatment device comprises an upper tank body and a lower tank body, wherein the lower tank body comprises a septic unit arranged in the middle, and a sewage treatment unit and an adjusting unit which are arranged around the septic unit; the sewage treatment unit comprises a first anoxic unit, a first aerobic unit, a second anoxic unit, a second aerobic unit and a precipitation unit which are sequentially communicated, the first anoxic unit is communicated with the septic unit through a regulating unit, a first aeration ring pipe is arranged in the first aerobic unit, a second aeration ring pipe is arranged in the second aerobic unit, a water collecting tank is arranged at the top of the precipitation unit, and the water collecting tank is connected with a water outlet pipe;
the septic unit is connected with the adjusting unit through an air lift pump water outlet pipe, a water inlet pipe is arranged above the septic unit, an air lift pump is arranged in the septic unit, an air jet pipe connected with the air lift pump water outlet pipe is arranged on the air lift pump, the air lift pump is connected with a first aeration ring pipe and a second aeration ring pipe through aeration pipelines, and the sedimentation unit, the first aerobic unit and the second aerobic unit are communicated with the first anoxic unit and the second anoxic unit through mud return pipelines by utilizing the air lift pump.
Furthermore, the upper tank body is provided with a well cover.
Furthermore, the lower tank body is oval.
Further, the gas injection pipe is fixed inside the water outlet pipe of the air-lift pump.
Furthermore, the first aeration circular pipe and the second aeration circular pipe are provided with holes at a certain interval.
Furthermore, a first adjusting valve is arranged on an aeration pipeline between the airlift pump and the first and second aeration circular pipes.
Furthermore, a second regulating valve is arranged on a sludge return pipeline between the sedimentation unit, the first aerobic unit, the second aerobic unit, the first anoxic unit, the second anoxic unit and the air lift pump.
Furthermore, a hanging basket and a packing barrel are arranged in the precipitation unit, and phosphorus removal packing is arranged in the hanging basket and the packing barrel.
Further, the upper edge of the filling barrel is lower than the upper edge of the water collecting tank.
Further, the phosphorus removal filler is waste brick particles and lime particles.
The invention has the beneficial effects that: the device has the advantages of compact and reasonable structure, good treatment effect, low mud absorption work and energy conservation, and the treated discharge water can be used for irrigation, thereby not only solving the problems of rural domestic sewage dispersion and unfavorable treatment, but also changing waste into valuables; the septic unit and the sewage treatment unit are arranged together, so that the sludge amount in the septic tank is greatly reduced, the sludge is sucked for about 3-4 times in the past, and the sludge is sucked for 1 time every year; the whole device is oval, and sewage is in circulation in the treatment process, so that the floor area of the whole facility is greatly reduced, and the hydraulic retention time is prolonged, thereby improving the treatment effect of rural domestic sewage; the hanging basket and the filling barrel arranged at the tail end of the effluent perform phosphorus removal by placing waste brick grains and lime grains, so that the phosphorus removal effect of the whole device is ensured; in addition, the whole device can perform sewage lifting, sludge backflow, aeration, pollution discharge overhaul and sludge self-suction functions through the air lift pump, the oxygen supply of the air lift pump can replace a water pump lifting function, the service life is long, the power consumption of one-day treatment cannot reach 1 KW.h when the independent farmer sewage water quantity is about 2.5m for carrying out the year/d-3.5 m for carrying out the year/d, and the maintenance is facilitated and the operation cost of the power consumption device is greatly reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic diagram of the air lift pump water of the present invention.
FIG. 3 is a schematic diagram of the structure of the precipitation unit of the present invention.
FIG. 4 is a schematic diagram of an oxygen supply connection of the aerobic unit of the present invention.
Figure 5 is a schematic view of an anoxic unit sludge recirculation connection according to the invention.
Description of reference numerals: 1-a water inlet pipe, 2-a septic unit, 3-an airlift pump, 4-a regulating unit, 5-a first anoxic unit, 5 a-a second anoxic unit, 6-a first aerobic unit, 6 a-a second aerobic unit, 7-a settling unit, 8-a hanging basket, 9-a filling barrel, 10-a water collecting tank, 10 a-a water outlet pipe, 10 b-an airlift pump water outlet pipe, 11-a lower tank body, 12-an upper tank body, 13-a first aeration ring pipe, 13 a-a second aeration ring pipe, 13 b-an air injection pipe, 14-a water inlet, 15-an aeration pipeline, 16-a first regulating valve, 16 a-a second regulating valve and 17-a mud return pipeline.
Detailed Description
The invention is further illustrated by the following examples and figures.
As shown in the figure: rural domestic sewage treatment plant, including upper portion body of pool 12 and lower part body of pool 11, wherein, lower part body of pool 11 is including setting up the septic unit 2 in the middle part and the sewage treatment unit and the regulating unit 4 that encircle septic unit 2 and set up. The sewage treatment unit comprises a first anoxic unit 5, a first aerobic unit 6, a second anoxic unit 5a, a second aerobic unit 6a and a precipitation unit 7 which are sequentially communicated, the first anoxic unit 5 is communicated with the septic unit 2 through a regulating unit 4, a first aeration ring pipe 13 is arranged in the first aerobic unit 6, a second aeration ring pipe 13a is arranged in the second aerobic unit 6a, a water collecting tank 10 is arranged at the top of the precipitation unit 7, and the water collecting tank 10 is connected with a water outlet pipe 10 a. The sewage is in circulation in the treatment process, the floor area of the whole facility is greatly reduced, the hydraulic retention time is prolonged, thereby improving the treatment effect of rural domestic sewage,
the septic unit 2 is connected with the adjusting unit 4 through an air-lift pump water outlet pipe 10b, a water inlet pipe 1 is arranged above the septic unit 2, an air-lift pump 3 is arranged in the septic unit 2, in one embodiment, the air-lift pump 3 is arranged on the right side of the septic unit 2, and an air injection pipe 13b connected with the air-lift pump water outlet pipe 10b is arranged on the air-lift pump 3. As shown in fig. 2, after the air-lift pump 3 injects air through the air injection pipe 13b, the sewage in the septic tank is sent to the adjusting unit 4 through the air-lift pump water outlet pipe 10 b; when the septic unit 2 is in trouble shooting, the air lift pump water outlet pipe 10b can be connected with the collecting device, and the air lift pump 3 is started to evacuate the septic unit 2 to implement maintenance work. When the sludge suction work starts, the air lift pump water outlet pipe 10b is connected with the collecting device, tap water is put into the collecting device for dilution and stirring, the air lift pump 3 is started to evacuate sludge in the septic unit 2, and the problem that no special sludge suction truck exists in rural areas or the sludge suction truck cannot enter the field can be solved. The air-lift pump 3 is connected to the first 13 and second 13a aeration loops by means of an aeration pipe 15, and air is delivered by the air-lift pump 3 to the first 13 and second 13a aeration loops by means of the aeration pipe 15. The sedimentation unit 7, the first aerobic unit 6 and the second aerobic unit 6a are communicated with the first anoxic unit 5 and the second anoxic unit 5a through a sludge return pipeline 17 by using the air-lift pump 3, so that the sludge of the aerobic unit and the sedimentation unit can be returned to the anoxic unit to supplement the sludge concentration. Whole device plays sewage promotion, backward flow mud, aeration, blowdown and overhauls, from five powerful functions of mud of inhaling through the airlift pump, avoids using the water pump, and single family sewage water yield is during 2.5m year/d-3.5 m year/d, handles power consumption and is less than 1 degree electricity, and the working costs is low, airlift pump long service life, simple structure, maintenance convenience, the mode that specially adapted rural distributed sewage treatment does not have professional supervision operation.
Specifically, the upper tank body 12 is provided with a well cover, and cleaning, mud sucking and maintenance work can be performed after the well cover is opened. The lower tank body 11 is oval. The first 13 and second 13a aeration loops are perforated at a distance to provide oxygen to the two aerobic units. The gas lance 13b can be inserted from the bottom side wall of the gas lift pump outlet pipe 10b on the septic unit 2 side and fixed inside the gas lift pump outlet pipe 10b by means of a clip.
A first adjusting valve 16 is arranged on an aeration pipeline 15 between the airlift pump 3 and the first aeration loop 13 and the second aeration loop 13a and is used for adjusting aeration quantity. A second adjusting valve 16a is arranged on a sludge return pipeline 17 between the sedimentation unit 7, the first aerobic unit 6, the second aerobic unit 6a, the first anoxic unit 5, the second anoxic unit 5a and the air lift pump 3 and used for adjusting the sludge return amount.
A hanging basket 8 and a packing barrel 9 are arranged in the precipitation unit 7, a dephosphorization filler is arranged in the hanging basket 8 and the packing barrel 9, the dephosphorization effect of the whole device is ensured, and a water inlet is formed in the bottom of the hanging basket 8. The upper edge of the filler barrel 9 is lower than the upper edge of the water collection sump 10 to prevent sludge loss. The phosphorus removal filler can adopt waste brick grains and lime stone grains.
The working process is as follows: rural domestic sewage flows out of a household pipe and then is connected into a water inlet pipe 1, flows into the water inlet pipe 1 and then enters a septic unit 2, and the septic unit mainly plays a role in precipitating large-particle substances in the sewage and primarily degrading organic matters; after the sedimentation and anaerobic treatment of the septic unit, the sewage of the septic tank is lifted by the air lift pump 3 through the air jet pipe 13b and enters the adjusting unit 4 through the air lift pump outlet pipe 10b, and the adjusting unit 4 mainly plays a role in adjusting, so that the device can buffer the treatment load of the domestic sewage, prevent the rapid change of the treatment system load and reduce the fluctuation of the flow of the sewage entering the treatment system; then the sewage enters a first anoxic unit 5 for treatment, and the first anoxic unit 5 mainly performs organic matter degradation and denitrification treatment on the sewage; then the sewage enters a first aerobic unit 6, and the first aerobic unit 6 mainly degrades organic matters and carries out nitration reaction to generate nitrate and nitrite; then the sewage enters a second anoxic unit 5a, and the second anoxic unit 5a and the first anoxic unit 5 play the same role; the sewage enters a second aerobic unit 6a, the second aerobic unit 6a has the same function as the first aerobic unit 6, and is conveyed to the first aerobic unit 6 and the second aerobic unit 6a by an air lift pump 3 through an aeration pipeline 15, oxygen is supplied to the first aerobic unit 6 and the second aerobic unit 6a through a first aeration ring pipe 13 and a second aeration ring pipe 13a, and the oxygen supply amount is regulated through a first regulating valve 16; the first aerobic unit 6 and the second aerobic unit 6a respectively return sludge to the first anoxic unit 5 and the second anoxic unit 5a through the sludge return pipeline 17 by the air lift pump 3, the sludge return flows on one hand to carry out denitrification and denitrification on nitrate and nitrite and on the other hand to supplement the sludge concentration so as to ensure the microbial biomass required by sewage degradation, and the sludge return flow is adjusted by the second adjusting valve 16 a; sewage then enters from the bottom of the precipitation unit 7 through the water inlet 14, a hanging basket 8 and a filling barrel 9 are arranged in the precipitation unit 7, waste brick grains and lime grains can be placed in the hanging basket 8 and the filling barrel 9 for phosphorus removal, fillers in the hanging basket 8 and the filling barrel 9 can be replaced regularly, and treated water enters the water collecting tank 10 through overflow and is finally discharged through the water outlet pipe 10 a. The device has compact and reasonable structure, saves energy and can realize the reuse of treated water.
Claims (10)
1. A rural domestic sewage treatment device is characterized by comprising an upper tank body (12) and a lower tank body (11), wherein the lower tank body (11) comprises a septic unit (2) arranged in the middle, and a sewage treatment unit and an adjusting unit (4) which are arranged around the septic unit (2); the sewage treatment unit comprises a first anoxic unit (5), a first aerobic unit (6), a second anoxic unit (5 a), a second aerobic unit (6 a) and a precipitation unit (7) which are sequentially communicated, the first anoxic unit (5) is communicated with the septic unit (2) through a regulating unit (4), a first aeration ring pipe (13) is arranged in the first aerobic unit (6), a second aeration ring pipe (13 a) is arranged in the second aerobic unit (6 a), a water collecting tank (10) is arranged at the top of the precipitation unit (7), and the water collecting tank (10) is connected with a water outlet pipe (10 a);
the septic unit (2) is connected with the adjusting unit (4) through an air-lift pump water outlet pipe (10 b), a water inlet pipe (1) is arranged above the septic unit (2), the air-lift pump (3) is arranged in the septic unit (2), an air jet pipe (13 b) connected with the air-lift pump water outlet pipe (10 b) is arranged on the air-lift pump (3), the air-lift pump (3) is connected with a first aeration ring pipe (13) and a second aeration ring pipe (13 a) through an aeration pipeline (15), and the sedimentation unit (7), the first aerobic unit (6) and the second aerobic unit (6 a) are communicated with the first anoxic unit (5) and the second anoxic unit (5 a) through a sludge return pipeline (17) by utilizing the air-lift pump (3).
2. The rural domestic sewage treatment apparatus according to claim 1, wherein said upper tank body (12) is provided with a manhole cover.
3. The rural domestic sewage treatment apparatus according to claim 1, wherein said lower tank body (11) is oval.
4. The rural domestic sewage treatment apparatus according to claim 1, wherein the gas injection pipe (13 b) is fixed inside the air lift pump outlet pipe (10 b).
5. The rural domestic sewage treatment apparatus according to claim 1, wherein the first aeration loop (13) and the second aeration loop (13 a) are perforated with holes at a certain interval.
6. The rural domestic sewage treatment apparatus according to claim 1, wherein a first adjusting valve (16) is provided on the aeration pipe (15) between the air-lift pump (3) and the first aeration loop (13) and the second aeration loop (13 a).
7. The rural domestic sewage treatment plant according to claim 1, wherein a second regulating valve (16 a) is arranged on a sludge return pipe (17) between the sedimentation unit (7), the first aerobic unit (6), the second aerobic unit (6 a), the first anoxic unit (5), the second anoxic unit (5 a) and the airlift pump (3).
8. The rural domestic sewage treatment device according to claim 1, wherein a hanging basket (8) and a packing barrel (9) are arranged in the precipitation unit (7), and phosphorus removal packing is arranged in the hanging basket (8) and the packing barrel (9).
9. The rural domestic sewage treatment apparatus according to claim 7, wherein the upper edge of the stuffing barrel (9) is lower than the upper edge of the water collection tank (10).
10. The rural domestic sewage treatment device of claim 7, wherein the phosphorus removal filler is waste brick particles and lime stone particles.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010802389.7A CN111892251A (en) | 2020-08-11 | 2020-08-11 | Rural domestic sewage treatment device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010802389.7A CN111892251A (en) | 2020-08-11 | 2020-08-11 | Rural domestic sewage treatment device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111892251A true CN111892251A (en) | 2020-11-06 |
Family
ID=73228957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010802389.7A Pending CN111892251A (en) | 2020-08-11 | 2020-08-11 | Rural domestic sewage treatment device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111892251A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013034942A2 (en) * | 2011-09-08 | 2013-03-14 | Schuster Peter | Small installation for biological wastewater treatment with improved efficiency |
CN110759591A (en) * | 2019-11-05 | 2020-02-07 | 广州市瑞奕环保科技有限公司 | Rural domestic sewage treatment process and system for efficiently removing nitrogen and phosphorus |
CN212864489U (en) * | 2020-08-11 | 2021-04-02 | 无锡城市职业技术学院 | Rural domestic sewage treatment device |
-
2020
- 2020-08-11 CN CN202010802389.7A patent/CN111892251A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013034942A2 (en) * | 2011-09-08 | 2013-03-14 | Schuster Peter | Small installation for biological wastewater treatment with improved efficiency |
CN110759591A (en) * | 2019-11-05 | 2020-02-07 | 广州市瑞奕环保科技有限公司 | Rural domestic sewage treatment process and system for efficiently removing nitrogen and phosphorus |
CN212864489U (en) * | 2020-08-11 | 2021-04-02 | 无锡城市职业技术学院 | Rural domestic sewage treatment device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102381814A (en) | Integrated rural sewage treatment plant | |
CN102001802A (en) | Nitrification and denitrification combined integral biological filter | |
CN205398371U (en) | Rural miniaturized integration sewage treatment unit | |
CN103979681B (en) | Nitrification/denitrification integrated rural domestic sewage treatment system | |
CN208327525U (en) | A2O process integration sewage-treatment plant | |
CN212864489U (en) | Rural domestic sewage treatment device | |
CN107352738A (en) | The composite artificial ecological bed waste water treatment system and method for a kind of intensified denitrification and dephosphorization | |
CN203781915U (en) | Nitrification and denitrification integrated rural domestic sewage treatment system | |
CN206407971U (en) | A kind of MBBR continuous flow sequencings batch sewage-treatment plant | |
CN211198754U (en) | Integrated A2/O biochemical tower with embedded precipitation structure | |
CN210559663U (en) | Hood-driven aerobic reaction sewage treatment device | |
CN112142258A (en) | Resource and standard treatment method for domestic sewage of villages and towns | |
CN202011812U (en) | Integrated equipment for treating high-concentration organic wastewater | |
CN205740663U (en) | A kind of sewage disposal device | |
CN109437485A (en) | Cycle household rural domestic sewage treatment equipment in a kind of microkinetic | |
CN111892251A (en) | Rural domestic sewage treatment device | |
CN208933075U (en) | A kind of garbage leachate treatment device | |
CN214142004U (en) | Treatment system of decentralized sewage | |
CN210796140U (en) | Domestic sewage treatment device | |
CN210103712U (en) | Bury formula integration waste water exhaust-gas treatment system | |
CN211734119U (en) | Aeration and reflux integrated sewage treatment equipment | |
CN208414153U (en) | Effective integrated sewage disposal system | |
CN209292164U (en) | Cycle household rural domestic sewage treatment equipment in a kind of microkinetic | |
CN202246338U (en) | Integrated device for treatment of village wastewater | |
CN208414147U (en) | WSZ series of integral sewage disposal device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |