CN215208702U - Rural sewage combination formula processing system - Google Patents
Rural sewage combination formula processing system Download PDFInfo
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- CN215208702U CN215208702U CN202023114103.0U CN202023114103U CN215208702U CN 215208702 U CN215208702 U CN 215208702U CN 202023114103 U CN202023114103 U CN 202023114103U CN 215208702 U CN215208702 U CN 215208702U
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Abstract
The utility model provides a rural sewage combination formula processing system, including septic tank, degree of depth anaerobic reactor and intensive ecosystem, the delivery port of septic tank is connected with degree of depth anaerobic reactor through connecting the water pipe, and degree of depth anaerobic reactor's delivery port is connected with intensive ecosystem through the drop ladder. The utility model discloses a degree of depth anaerobism and the mode that ecological treatment combined together can the discharge of pollutants such as effective control rural area organic matter, nitrogen and phosphorus, and rural sewage is handled the back through this system, goes out the water and reaches emission standard, can be used to the retrieval and utilization or discharge, has advantages such as whole unpowered, operation maintenance is simple, application scope is wide, is favorable to improving rural living environment, has apparent economic benefits and environmental benefit.
Description
Technical Field
The utility model relates to a rural sewage combination formula processing system belongs to sewage treatment technical field.
Background
Rural sewage is mainly generated from excrement and flushing water thereof, bathing sewage and kitchen sewage, sewage generated by stacking garbage and high-turbidity rainwater runoff are mixed, the collected sewage is complex in water quality components, main pollutants are chemical oxygen demand, total nitrogen, total phosphorus and the like, and the concentration of the pollutants is lower in summer and higher in winter.
Due to the limitation of economic conditions and lack of environmental protection consciousness, sewage collection facilities in rural areas of China are simple and crude, sewage treatment facilities are lacked, open-air discharge and infiltration of rural domestic sewage not only worsen the living environment of villagers, but also easily cause pollution to the ground surface and underground water, especially in karst areas. Most rural areas only adopt a septic tank treatment mode, effluent can not reach the discharge standard, and part of rural areas adopt integrated sewage treatment equipment, but the rural integrated sewage treatment equipment cannot normally operate due to the fact that professional technicians are lacked in the operation process and higher operation cost is generated. The artificial wetland treatment technology belongs to one kind of ecological treatment, has the characteristics of no power, simple operation and maintenance and the like, and is widely accepted in rural areas, but the existing artificial wetland cannot be completely suitable for the rural areas in the aspects of design parameters and substrate configuration, and the problems of blockage, stink and the like of the artificial wetland can be caused by the mode that the effluent of a septic tank directly enters the artificial wetland. In conclusion, there is an urgent need to develop a non-powered and maintenance-free sewage treatment system suitable for rural areas.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: provides a rural sewage combined treatment system with good sewage effect, no power in the whole process, simple operation and maintenance and wide application range, so as to overcome the defects in the prior art.
The technical scheme of the utility model: the utility model provides a rural sewage combination formula processing system, includes septic tank, degree of depth anaerobic reactor and reinforces ecosystem, the delivery port of septic tank is connected with degree of depth anaerobic reactor through connecting the water pipe, and degree of depth anaerobic reactor's delivery port is connected with strengthening ecosystem through the drop ladder.
Furthermore, the deep anaerobic reactor is a buried anaerobic baffle reactor, the interior of the deep anaerobic reactor is divided into four cavities which are communicated with each other, anaerobic biological fillers are filled in each cavity, and the filling rate is 45-80%.
Furthermore, the anaerobic biological filler adopts porous suspended spherical filler or combined filler with the diameter of 8-10 cm.
Further, the enhanced ecosystem is an artificial wetland, the artificial wetland is divided into two stages, the first stage is a vertical flow artificial wetland, the second stage is a horizontal subsurface flow artificial wetland, and the vertical flow artificial wetland is connected with the horizontal subsurface flow artificial wetland through a water drop ladder.
Further, the bottom of the vertical flow artificial wetland is a pebble cushion layer with the thickness of 5-10cm, and a composite substrate I is filled on the pebble cushion layer; the water inlet area and the water outlet area of the horizontal subsurface flow constructed wetland are both paved with pebble layers with the thickness of 5-10cm, and the interior of the horizontal subsurface flow constructed wetland is filled with a composite substrate II.
Further, the ecological enhancement system is an ecological ditch, the bottom of the ecological ditch is rammed soil, the rammed soil is sequentially filled with a composite matrix I and a composite matrix II along the water flow direction, the width of the ecological ditch is 30-50cm, the depth of the ecological ditch is 25-60cm, and the total length of the ecological ditch is 10-50 m.
Furthermore, the composite matrix I is a mixture of ceramsite and volcanic rock, and the mixture ratio of the composite matrix I is 1: 1, the particle size is 2-5cm, the composite matrix II is a mixture of gravel and quartz sand, and the mixture ratio is 1: 1, the grain diameter is 0.8-2 cm.
Furthermore, aquatic plants are planted on the surfaces of the composite substrate I and the composite substrate II.
Further, the aquatic plant is canna, calamus or pinus alternatus, and the planting density is 0.04-0.1m2The height of each seedling is 15-30 cm.
Due to the adoption of the technical scheme, the utility model has the advantages of:
1. the utility model has the advantages of unpowered whole process, simple treatment process, low cost and convenient operation and management;
2. the characteristics of various rural landforms, dispersed discharge and complex water quality are considered, and an enhanced ecological treatment mode is adopted according to the actual situation of rural areas, wherein the deep anaerobic reactor has good impact load resistance and water load resistance, and good biological solid interception capability, can realize the partition of functional microorganisms, and has good removal effect on organic matters; the enhanced ecological treatment is based on the synergistic effect of three elements of plants, matrixes and microorganisms, and can promote the removal of pollutants through a series of effects of interception, adsorption, plant absorption, biodegradation and the like.
3. The utility model discloses the play water after handling reaches emission standard, can be used to irrigation in farmland, afforestation or discharge to natural environment.
Therefore, the utility model discloses a degree of depth anaerobism and the mode that ecological treatment combined together can the effective control rural area discharge of pollutants such as organic matter, nitrogen and phosphorus, and rural sewage is handled the back through this system, and the play water reaches emission standard, can be used to retrieval and utilization or discharge, has advantages such as whole unpowered, operation maintenance is simple, application scope is wide, is favorable to improving rural living environment, has apparent economic benefits and environmental benefit.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Description of reference numerals: 1-connecting water pipe, 2-septic tank, 3-deep anaerobic reactor, 4-anaerobic filler, 5-water drop ladder, 6-aquatic plant, 7-composite substrate I, 8-pebble cushion layer, 9-composite substrate II, 10-vertical flow artificial wetland, 11-horizontal subsurface flow artificial wetland, 12-water outlet pipe, 13-ecological ditch, 14-ditch water outlet and 15-rammed soil.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
The sewage in a small-sized Guizhou countryside is treated, and the treated water amount is 0.5m3A rural sewage combined treatment system of a septic tank 2 → a deep anaerobic reactor 3 → a water drop ladder 5 → a vertical flow artificial wetland 10 → a horizontal subsurface flow artificial wetland 11 is adopted, and the volume of the septic tank 2 is 1.50m3The volume of the deep anaerobic reactor 3 is 1.12m3The height of the drop step 5 is 20cm, and the volume of the vertical flow constructed wetland 10 is 0.95m3The volume of the horizontal subsurface flow constructed wetland 11 is 0.49m3The treated effluent is discharged from a water outlet pipe 12 at the bottom of the horizontal subsurface flow constructed wetland 11, and the effluent is clear and can be used for farmland irrigation.
The schematic structural diagram of the rural sewage combined treatment system is shown in fig. 1, and the rural sewage combined treatment system comprises a septic tank 2, a deep anaerobic reactor 3 and a reinforced ecological system, wherein a water outlet of the septic tank 2 is connected with the deep anaerobic reactor 3 through a connecting water pipe 1, and a water outlet of the deep anaerobic reactor 3 is connected with the reinforced ecological system through a water drop step 5. The deep anaerobic reactor 3 is a buried anaerobic baffle reactor ABR, the interior of the deep anaerobic reactor is divided into four cavities which are communicated with each other, anaerobic biological fillers 4 are filled in each cavity, and the filling rate is 60%. The anaerobic biological filler 4 is a porous suspended spherical filler with the diameter of 8cm, the inoculated sludge is the acclimated anaerobic sludge, and the inoculation concentration is 3 g/L. The ecological enhancement system is an artificial wetland, the artificial wetland is divided into two stages, the first stage is a vertical flow artificial wetland 10, the second stage is a horizontal subsurface flow artificial wetland 11, and the vertical flow artificial wetland 10 is connected with the horizontal subsurface flow artificial wetland 11 through a water dropping step 5. The bottom of the vertical flow constructed wetland 10The pebble cushion layer 8 is 6cm thick, and a composite substrate I7 is filled on the pebble cushion layer 8; the water inlet area and the water outlet area of the horizontal subsurface flow artificial wetland 11 are both paved with 8 cm-thick pebble layers 8, and the horizontal subsurface flow artificial wetland 11 is filled with a composite substrate II 9. The composite matrix I7 is a mixture of ceramsite and volcanic rock, and the mixture ratio of the composite matrix I7 is 1: 1, the particle size is 3cm, the composite substrate II 9 is a mixture of gravel and quartz sand, and the mixture ratio is 1: 1, the particle size is 1 cm. Aquatic plants 6 are planted on the surfaces of the composite substrate I7 and the composite substrate II 9. The aquatic plant 6 is canna, and the planting density is 0.06m2Seedling height is 15 cm.
Example 2
The sewage in a small-sized Guizhou countryside is treated, and the treated water amount is 0.5m3D, adopting a septic tank 2 → a deep anaerobic reactor 3 → a water drop ladder 5 → an ecological ditch 13 system, wherein the volume of the septic tank 2 is 1.50m3The volume of the deep anaerobic reactor 3 is 1.12m3The height of the water drop step 5 is 20cm, the bottom of the ecological ditch 13 is filled with rammed soil 15, the width of the ditch is 30cm, the depth of the ditch is 40cm, the length of the ditch is 25m, and the treated effluent is discharged into the surrounding forest land from a ditch water outlet 14 on the ecological ditch 13.
The schematic structural diagram of the rural sewage combined treatment system is shown in fig. 2, and the rural sewage combined treatment system comprises a septic tank 2, a deep anaerobic reactor 3 and a reinforced ecological system, wherein a water outlet of the septic tank 2 is connected with the deep anaerobic reactor 3 through a connecting water pipe 1, and a water outlet of the deep anaerobic reactor 3 is connected with the reinforced ecological system through a water drop step 5. The deep anaerobic reactor 3 is a buried anaerobic baffle reactor ABR, the interior of the deep anaerobic reactor is divided into four cavities which are communicated with each other, and anaerobic biological fillers 4 are filled in each cavity, wherein the filling rate is 80%. The anaerobic biological filler 4 is porous suspended spherical filler or combined filler with the diameter of 10cm, the inoculated sludge is acclimated anaerobic sludge, and the inoculation concentration is 6 g/L. The ecological enhancement system is an ecological ditch 13, the bottom of the ecological ditch 13 is rammed soil 15, a composite matrix I7 and a composite matrix II 9 are sequentially filled in the rammed soil 15 along the water flow direction, the width of the ecological ditch 13 is 30-50cm, the depth of the ecological ditch is 25-60cm, and the total length of the ecological ditch is10-50 m. The composite matrix I7 is a mixture of ceramsite and volcanic rock, and the mixture ratio of the composite matrix I7 is 1: 1, the particle size is 2-5cm, the composite matrix II 9 is a mixture of gravel and quartz sand, and the mixture ratio is 1: 1, the grain diameter is 0.8-2 cm. Aquatic plants 6 are planted on the surfaces of the composite substrate I7 and the composite substrate II 9. The aquatic plant 6 is canna, rhizoma Acori Calami or herba Eragrostis Nigri, and has planting density of 0.04-0.1m2The height of each seedling is 15-30 cm.
The operation process of the rural sewage combined treatment system is as follows: and (3) adding the inoculated sludge into the deep anaerobic reactor 3, wherein the adding concentration is 3g/L, standing for 3d, and performing anaerobic microorganism biofilm formation. After the film forming stage is finished, sewage normally enters the septic tank 2 from the connecting water pipe 1, and sewage pretreated by the septic tank 2 enters the deep anaerobic reactor 3 through a pipeline. Sewage is from the following four check regions that make progress in depth anaerobic reactor 3 inside in proper order, and when sewage and the inside anaerobism biofilm carrier 4 contact of filling of reactor, pollutant in to sewage carries out catabolism through adnexed anaerobic microorganisms on the filler. After being treated by the deep anaerobic reactor 3, the sewage enters the enhanced ecological treatment system through the water drop step 5, and the water drop step 5 can ensure that the sewage is naturally reoxygenated to provide certain oxygen for microorganisms. After entering the enhanced ecological treatment system, sewage sequentially passes through the composite matrix I7 and the composite matrix II 9, and under the combined action of plants, the matrix and microorganisms, pollutants are effectively removed. The condition that the system is connected with the water pipe 1, the water outlet pipe 12 and the water outlet 14 of the ditch needs to be checked regularly in the running process of the system, and after the system runs stably, the outlet water reaches the discharge standard and can be used for farmland irrigation, greening or discharging to the natural environment. In addition, the growth condition of the aquatic plants 6 needs to be observed, the plants are trimmed regularly, and the plants are prevented from falling off to influence the effluent quality.
Claims (8)
1. The utility model provides a rural sewage combination formula processing system, includes septic tank (2), degree of depth anaerobic reactor (3) and strengthens ecosystem, its characterized in that: the water outlet of the septic tank (2) is connected with the deep anaerobic reactor (3) through a connecting water pipe (1), and the water outlet of the deep anaerobic reactor (3) is connected with the reinforced ecological system through a water dropping ladder (5).
2. The rural sewage combined treatment system of claim 1, wherein: the deep anaerobic reactor (3) is a buried Anaerobic Baffle Reactor (ABR), the interior of the deep anaerobic reactor is divided into four cavities which are communicated with each other, anaerobic biological fillers (4) are filled in each cavity, and the filling rate is 45-80%.
3. The rural sewage combined treatment system of claim 2, wherein: the anaerobic biological filler (4) adopts porous suspended spherical filler or combined filler with the diameter of 8-10 cm.
4. The rural sewage combined treatment system of claim 1, wherein: the ecological enhancement system is an artificial wetland, the artificial wetland is divided into two stages, the first stage is a vertical flow artificial wetland (10), the second stage is a horizontal subsurface flow artificial wetland (11), and the vertical flow artificial wetland (10) is connected with the horizontal subsurface flow artificial wetland (11) through a water drop ladder (5).
5. The rural sewage combined treatment system of claim 4, wherein: the bottom of the vertical flow artificial wetland (10) is a pebble cushion layer (8) with the thickness of 5-10cm, and a composite substrate I (7) is filled on the pebble cushion layer (8); pebble cushion layers (8) with the thickness of 5-10cm are paved in the water inlet area and the water outlet area of the horizontal subsurface flow artificial wetland (11), and a composite substrate II (9) is filled in the horizontal subsurface flow artificial wetland (11).
6. The rural sewage combined treatment system of claim 1, wherein: the ecological reinforcing system is an ecological ditch (13), the bottom of the ecological ditch (13) is rammed soil (15), a composite matrix I (7) and a composite matrix II (9) are sequentially filled in the rammed soil (15) along the water flow direction, the width of the ecological ditch (13) is 30-50cm, the depth of the ecological ditch is 25-60cm, and the total length of the ecological ditch is 10-50 m.
7. The rural sewage combined treatment system of claim 5 or 6, wherein: aquatic plants (6) are planted on the surfaces of the composite substrate I (7) and the composite substrate II (9).
8. The rural sewage combined treatment system of claim 7, wherein: the aquatic plant (6) is canna, calamus or pinus alternatus with planting density of 0.04-0.1m2The height of each seedling is 15-30 cm.
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| CN202023114103.0U CN215208702U (en) | 2020-12-22 | 2020-12-22 | Rural sewage combination formula processing system |
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| CN202023114103.0U CN215208702U (en) | 2020-12-22 | 2020-12-22 | Rural sewage combination formula processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114716123A (en) * | 2022-03-21 | 2022-07-08 | 凌志环保股份有限公司 | Household purification tank and oxidation ditch combined rural sewage treatment multi-circulation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114716123A (en) * | 2022-03-21 | 2022-07-08 | 凌志环保股份有限公司 | Household purification tank and oxidation ditch combined rural sewage treatment multi-circulation system |
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