CN212050979U - Rural sewage treatment system of high-efficient energy-conserving micro-power - Google Patents
Rural sewage treatment system of high-efficient energy-conserving micro-power Download PDFInfo
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- CN212050979U CN212050979U CN202020038660.XU CN202020038660U CN212050979U CN 212050979 U CN212050979 U CN 212050979U CN 202020038660 U CN202020038660 U CN 202020038660U CN 212050979 U CN212050979 U CN 212050979U
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Abstract
The utility model discloses a high-efficiency energy-saving micro-power rural sewage treatment system, which comprises a device body and a cover body arranged on the device body; the device body comprises an anaerobic zone, an inner ring aerobic zone and an outer ring settling zone; the anaerobic zone is arranged at the bottom of the device body, is communicated with an external septic tank through a water inlet pipe and is communicated with the overflow pipe through a water outlet pipe, and the top of the overflow pipe is provided with a plurality of through holes; the inner ring aerobic zone comprises a first folded paper filter element, a second folded paper filter element, a first water receiving tray, a third folded paper filter element, a fourth folded paper filter element and a second water receiving tray which are arranged below the overflow pipe in sequence; a plurality of water through holes are formed in the first water pan; the inner ring aerobic zone is communicated with the outer ring sedimentation zone through a first water outlet; a second water outlet is arranged on the outer ring settling zone; the bottom of the inner circle aerobic zone is annularly provided with a plurality of aeration heads which pass through the air holes through air pipes and are communicated with an external fan.
Description
Technical Field
The utility model belongs to the technical field of rural sewage treatment, concretely relates to rural sewage treatment system of high-efficient energy-conserving micro-power.
Background
At present, rural economy develops rapidly, and peasant's standard of living is very improved, but rural environmental construction and economic development are asynchronous, and among them the water environmental pollution problem is especially serious. Untreated domestic sewage is discharged at will, so that the water quality of ditches and ponds blackens and becomes smelly, mosquitoes breed, the rural living environment is affected, the physical health of residents is threatened, and meanwhile, the pollution of drinking water sources and the eutrophication of lakes and reservoirs can be caused.
Due to the limitation of economic conditions and the lack of environmental protection consciousness, open channels or closed pipes are mostly used for collecting sewage in rural areas in China, sewage collection facilities are simple and crude, rainwater, spring water and the like can not be distributed, and the collected sewage is complex in composition. The water quantity is increased and the pollutant concentration is reduced due to the release effect, so that the difficulty in collecting and treating the domestic sewage is increased. The extensive discharge mode, simple and crude pipe network facilities and lack of maintenance are important factors causing low collection rate of rural domestic sewage, and open-air runoff and underground leakage of the domestic sewage caused by the low collection rate of rural domestic sewage not only worsen the living environment of villagers, but also easily cause surface and underground water pollution.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rural sewage treatment system of high-efficient energy-conserving micro-power to the above-mentioned among the prior art is not enough to solve current rural sewage pollution serious problem.
In order to achieve the purpose, the utility model adopts the technical proposal that:
an efficient energy-saving micro-power rural sewage treatment system comprises a device body and a cover body arranged on the device body;
the device body comprises an anaerobic zone, an inner ring aerobic zone and an outer ring settling zone; the anaerobic zone is arranged at the bottom of the device body, is communicated with an external septic tank through a water inlet pipe and is communicated with the overflow pipe through a water outlet pipe, and the top of the overflow pipe is provided with a plurality of through holes; the inner ring aerobic zone comprises a first folded paper filter element, a second folded paper filter element, a first water receiving tray, a third folded paper filter element, a fourth folded paper filter element and a second water receiving tray which are arranged below the overflow pipe in sequence; a plurality of water through holes are formed in the first water pan; the inner ring aerobic zone is communicated with the outer ring sedimentation zone through a first water outlet; a second water outlet is arranged on the outer ring settling zone;
the bottom of the inner circle aerobic zone is annularly provided with a plurality of aeration heads which pass through the air holes through air pipes and are communicated with an external fan.
Preferably, one side of the device body close to the water inlet is provided with a plurality of horn holes, and the horn holes extend to the inner ring aerobic zone; and the pipelines at the water inlet of the bell mouth are all provided with a fan.
Preferably, the fan is vertically disposed within the water inlet duct.
Preferably, the water outlet pipe is connected with the overflow pipe through a tee.
Preferably, the aperture of the water through hole formed in the first water pan is 6 mm.
Preferably, both sides end of first water collector and second water collector all upwards bends, and the obtuse angle of bending department and horizontal plane is 135.
Preferably, a plurality of microorganism dry powder are distributed in the anaerobic zone.
Preferably, a layer of biological membrane is attached to the surfaces of the filter elements of the first paper folding filter element, the second paper folding filter element, the third paper folding filter element and the fourth paper folding filter element.
Preferably, a sludge discharge pipe communicated with the outside of the device body is arranged in the inner ring aerobic zone.
The utility model provides a rural sewage treatment system of high-efficient energy-conserving micro-power has following beneficial effect:
the utility model introduces the sewage into the anaerobic zone to decompose the organic components in the sewage, when the whole anaerobic zone is full of the sewage, the redundant sewage enters the overflow pipe, the layer-by-layer filtration of the sewage is realized based on the self-gravity of the sewage, and the biological membrane attached to the surface of the folded paper filter element is combined to absorb the organic matters, nitrogen, phosphorus and other elements in the sewage, and the aim of purifying the sewage is achieved through the biochemical reaction of the sewage; finally, the sewage is guided into an outer ring sedimentation area for sedimentation, and the sewage reaching the standard can be discharged.
The utility model discloses through the cooperation of horn mouth with the fan on the pipeline of water inlet, it is rotatory to drive the fan based on the dead weight of water, and then introduces the good oxygen district of inner circle with this external air of device, increases the good oxygen district sewage treatment efficiency of inner circle.
Besides, the utility model discloses still can adopt the mode of initiative aeration, through the cooperation of fan and aeration head, introduce the good oxygen district of inner circle with the outside air, increase the good oxygen district sewage treatment efficiency of inner circle.
Drawings
FIG. 1 is a structural diagram of a high-efficiency energy-saving micro-power rural sewage treatment system.
FIG. 2 is a fan structure diagram of a high-efficiency energy-saving micro-power rural sewage treatment system.
Wherein, 1, a cover body; 2. a device body; 3. an anaerobic zone; 4. an outer ring settling zone; 5. a vent hole; 6. a water inlet; 7. an overflow pipe; 8. a first paper folding filter element; 9. a second folded paper filter element; 10. a first water pan; 11. a third folded paper filter element; 12. a fourth paper folding filter element; 13. a second water pan; 14. a horn hole; 15. a fan; 16. an inner ring aerobic zone; 17. a first water outlet; 18. a second water outlet; 19. a water outlet pipe; 20. a tee joint; 21. a fan; 22. an aeration head; 23. a sludge return pipe; 24. a sludge discharge pipe.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.
According to one embodiment of the application, referring to fig. 1, the energy-efficient micro-power rural sewage treatment system of the scheme comprises a device body 2 and a cover body 1 arranged on the device body 2, wherein the device body 2 is cylindrical.
The device body 2 comprises an anaerobic zone 3, an inner ring aerobic zone 16 and an outer ring settling zone 4, wherein the anaerobic zone 3 is communicated with the inner ring aerobic zone 16 and the outer ring settling zone 4 in sequence.
The details of the anaerobic zone 3, the inner aerobic zone 16 and the outer settling zone 4 are described below.
The anaerobic zone 3, the box in anaerobic zone 3 sets up in device body 2 bottom, is provided with the water inlet 6 that runs through device body 2 in it, and water inlet 6 communicates with the septic tank for with the box of leading-in anaerobic zone 3 of the sewage of septic tank. A plurality of microorganism-added dry powder is put into the anaerobic zone 3, organic matters in the sewage can be absorbed as nutrition in the later period and independently grow, meanwhile, the aerobic microorganisms in the inner ring aerobic zone 16 are combined to absorb organic matters, nitrogen, phosphorus and other elements in the sewage, and the aim of purifying the sewage is achieved through the biochemical reaction of the anaerobic zone.
The top of the anaerobic zone 3 is communicated with a water outlet pipe 19, and after the water in the anaerobic zone 3 is filled, the sewage treated in the upper layer enters the inner ring aerobic zone 16 through the water outlet pipe 19.
The top of a water outlet pipe 19 of the inner ring aerobic zone 16 is communicated with an overflow pipe 7 through a tee joint 20, the overflow pipe 7 is horizontally arranged in the device body 2, and the top of the overflow pipe 7 is provided with a plurality of through holes; a first folded paper filter element 8, a second folded paper filter element 9, a first water receiving tray 10, a third folded paper filter element 11 and a fourth folded paper filter element 12 are sequentially arranged below the overflow pipe 7.
The surfaces of the filter elements of the first paper folding filter element 8, the second paper folding filter element 9, the third paper folding filter element 11 and the fourth paper folding filter element 12 are adhered with a layer of biomembrane, and aerobic organisms are arranged on the biomembrane.
Wherein, all seted up a plurality of limbers on first water collector 10 and the second water collector 13, the limbers aperture of seting up on the first water collector 10 is 6mm, and the both sides end of first water collector 10 and second water collector 13 all kicks up, and the obtuse angle of bend and horizontal plane is 135, and the bend can play the effect that sewage was collected.
When the whole pipeline is filled with sewage in the overflow pipe 7, redundant moisture can flow out from the through hole at the top of the overflow pipe 7, the flowing sewage is left by gravity and flows down sequentially through the first paper folding filter element 8, the second paper folding filter element 9, the first water receiving tray 10, the third paper folding filter element 11, the fourth paper folding filter element 12 and the second water receiving tray 13, the sewage flows through the surface of the multilayer biological membrane to be purified, air flows through the axial direction, the contact area between the air and oxygen is increased, and the effect is better.
This scheme sets up first water collector 10 after first paper filter core 8 and the second paper filter core 9 of rolling over, and first water collector 10 can filter sewage, detach some impurity. When sewage flows through third folded paper filter core 11, fourth folded paper filter core 12 and second water collector 13 in proper order afterwards, second water collector 13 can filter sewage once more, increases the filter effect of sewage.
The sewage flowing down from the second water receiving tray 13 enters the outer ring settling zone 4 through a plurality of first water outlets 17.
An outer ring sedimentation zone 4, the treated sewage is precipitated in the outer ring sedimentation zone 4, and COD in the precipitated sewage<50mg/L，BOD<10mg/L, TN (total Nitrogen)<15mg/L, TP (Total phosphorus)<0.5mg/L, meets the national discharge standard, discharges the sewage up to the standard from the second water outlet 18, is used for irrigation, planting and breeding of farmlands, is mainly applied to rural sewage treatment, and has the treatment capacity of 1-5 m3The day is.
Referring to fig. 2, a plurality of bell-mouthed holes 14 are formed in one side of the device body 2 close to the water inlet 6, the bell-mouthed holes 14 extend to the inner ring aerobic zone 16, and a fan 15 is mounted on each of the pipes located at the water inlet 6 of the bell mouth.
The fans 15 are vertically arranged in the water inlet 6 pipeline, and an angle exists between fan blades in the fans 15 and the sewage flow direction of vertical falling, namely when the sewage vertically flows downwards, the fan blades are impacted, so that the fans 15 are driven to rotate, air outside the device body 2 is introduced into the inner ring aerobic zone 16, and oxygen in the inner ring aerobic zone 16 is increased. Meanwhile, the inner ring aerobic zone 16 can be exhausted through the vent holes 5, thereby forming an air flow circulation.
The bottom of the inner ring aerobic zone 16 is annularly provided with a plurality of aeration heads 22, and the plurality of aeration heads 22 penetrate through the vent holes 5 through air pipes and are communicated with an external fan 21; and the outside air is introduced into the inner ring aerobic zone 16 through the matching of the fan 21 and the aeration head 22, so that the sewage treatment efficiency of the inner ring aerobic zone 16 is improved.
The scheme is suitable for ground installation and underground installation; and the working water level is located below the second water receiving tray 13.
Meanwhile, the aeration modes of the scheme comprise fan aeration A, drop aeration B and aeration head 22 aeration C, and the total aeration modes are three.
According to one embodiment of the application, the working principle of the high-efficiency energy-saving micro-power rural sewage treatment system is as follows:
sewage enters the box body of the anaerobic zone 3 from the water inlet 6 and organic impurities in the sewage are decomposed; when the anaerobic zone 3 is full of water, the upper layer of treated sewage enters the overflow pipe 7 in the inner ring aerobic zone 16 through the water outlet pipe 19.
When the whole pipeline is filled with sewage in the overflow pipe 7, overflowed water flows out from the through hole at the top of the overflow pipe 7, the outflowing sewage flows downwards automatically according to gravity and sequentially passes through the first paper folding filter element 8, the second paper folding filter element 9, the first water receiving tray 10, the third paper folding filter element 11, the fourth paper folding filter element 12 and the second water receiving tray 13, the sewage flows through the surface of the multilayer biological membrane to be purified, air flows through the axial direction, the contact area between the air and oxygen is increased, and the effect is better.
Meanwhile, as sewage continuously enters the device body 2 from the water inlet 6, when the sewage vertically flows downwards, the fan blades are impacted, and then the fan 15 is driven to rotate, air outside the device body 2 is introduced into the inner ring aerobic zone 16, and oxygen in the inner ring aerobic zone 16 is increased. Meanwhile, the inner ring aerobic zone 16 can be exhausted through the vent holes 5, thereby forming an air flow circulation.
A plurality of sludge return pipes 23 which are distributed annularly are arranged between the outer ring settling zone 4 and the inner ring aerobic zone 3 and are sludge return channels from the outer ring settling zone 4 to the inner ring aerobic zone 3, and nitrogen elements in sewage can be effectively removed by sludge return.
A sludge discharge pipe 24 communicated with the outside of the device body 2 is arranged in the inner ring aerobic zone 3 and used for realizing the discharge of sludge.
The treated sewage is precipitated in the outer ring precipitation area 4, COD (chemical oxygen demand) in the precipitated sewage is less than 50mg/L, BOD (biochemical oxygen demand) is less than 10mg/L, TN (total nitrogen) is less than 15mg/L, TP (total phosphorus) is less than 0.5mg/L, the national discharge standard is met, and the sewage reaching the standard is discharged from the second water outlet 18 and is used for irrigation, planting and breeding of farmlands.
The utility model introduces the sewage into the anaerobic zone 3 to decompose the organic components in the sewage, when the whole anaerobic zone 3 is filled with the sewage, the redundant sewage enters the overflow pipe 7, the layer-by-layer filtration of the sewage is realized based on the self-gravity of the sewage, and the elements such as organic matters, nitrogen, phosphorus and the like in the sewage are absorbed by combining the biomembrane attached to the surface of the origami filter element, and the aim of purifying the sewage is achieved through the biochemical reaction of the sewage; finally, the sewage is guided into the outer ring precipitation zone 4 for precipitation, and the sewage reaching the standard can be discharged.
Except this, the utility model discloses through horn mouth and fan 15's cooperation on the pipeline of water inlet 6, it is rotatory to drive fan 15 based on the gravity of water, and then introduces inner circle aerobic zone 16 with the outer air of device body 2, increases 16 sewage treatment efficiency in inner circle aerobic zone.
While the present invention has been described in detail with reference to the embodiments, the scope of the present invention should not be limited to the embodiments. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (9)
1. An energy-efficient micro-power rural sewage treatment system is characterized in that: comprises a device body and a cover body arranged on the device body;
the device body comprises an anaerobic zone, an inner ring aerobic zone and an outer ring settling zone; the anaerobic zone is arranged at the bottom of the device body, is communicated with an external septic tank through a water inlet and is communicated with the overflow pipe through a water outlet pipe, and the top of the overflow pipe is provided with a plurality of through holes; the inner ring aerobic zone comprises a first folded paper filter element, a second folded paper filter element, a first water receiving tray, a third folded paper filter element, a fourth folded paper filter element and a second water receiving tray which are arranged below the overflow pipe in sequence; the first water pan is provided with a plurality of water through holes; the inner ring aerobic zone is communicated with the outer ring sedimentation zone through a first water outlet; a second water outlet is formed in the outer ring settling zone;
the bottom of the inner ring aerobic zone is annularly provided with a plurality of aeration heads which penetrate through the air holes through air pipes and are communicated with an external fan.
2. The high-efficiency energy-saving micro-power rural sewage treatment system according to claim 1, characterized in that: a plurality of horn holes are formed in one side, close to the water inlet, of the device body, and the horn holes extend to the inner ring aerobic zone; and the pipelines at the water inlet of the bell mouth are all provided with a fan.
3. The high-efficiency energy-saving micro-power rural sewage treatment system according to claim 2, characterized in that: the fan is vertically arranged in the water inlet pipeline.
4. The high-efficiency energy-saving micro-power rural sewage treatment system according to claim 1, characterized in that: the water outlet pipe is connected with the overflow pipe through a tee joint.
5. The high-efficiency energy-saving micro-power rural sewage treatment system according to claim 1, characterized in that: the aperture of a water through hole formed in the first water receiving tray is 6 mm.
6. The high-efficiency energy-saving micro-power rural sewage treatment system according to claim 1, characterized in that: the two sides of the first water pan and the second water pan are both bent upwards, and the obtuse angle between the bent part and the horizontal plane is 135 degrees.
7. The high-efficiency energy-saving micro-power rural sewage treatment system according to claim 1, characterized in that: a plurality of microorganism dry powder are distributed in the anaerobic zone.
8. The high-efficiency energy-saving micro-power rural sewage treatment system according to claim 1, characterized in that: and a layer of biological membrane is attached to the surfaces of the first paper folding filter element, the second paper folding filter element, the third paper folding filter element and the fourth paper folding filter element.
9. The high-efficiency energy-saving micro-power rural sewage treatment system according to claim 1, characterized in that: a sludge discharge pipe communicated with the outside of the device body is arranged in the inner ring aerobic zone.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020038660.XU CN212050979U (en) | 2020-01-07 | 2020-01-07 | Rural sewage treatment system of high-efficient energy-conserving micro-power |
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| CN202020038660.XU CN212050979U (en) | 2020-01-07 | 2020-01-07 | Rural sewage treatment system of high-efficient energy-conserving micro-power |
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| CN212050979U true CN212050979U (en) | 2020-12-01 |
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| CN202020038660.XU Active CN212050979U (en) | 2020-01-07 | 2020-01-07 | Rural sewage treatment system of high-efficient energy-conserving micro-power |
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