CN215886731U - Rural sewage source separation and collection resource system in cold and arid area - Google Patents
Rural sewage source separation and collection resource system in cold and arid area Download PDFInfo
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- CN215886731U CN215886731U CN202122538028.9U CN202122538028U CN215886731U CN 215886731 U CN215886731 U CN 215886731U CN 202122538028 U CN202122538028 U CN 202122538028U CN 215886731 U CN215886731 U CN 215886731U
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Abstract
The utility model discloses a rural sewage source separation, collection and recycling system in cold and arid regions, and relates to the technical field of rural wastewater treatment. The utility model comprises a facultative anaerobic system for treating black water and a composite sand filtration system for treating grey water; the facultative anaerobic system comprises a black water sedimentation tank, a black water adjusting tank and a facultative anaerobic digestion tank which are arranged along the flowing direction of black water and are sequentially communicated; the composite sand filtration system comprises a grey water falling water sedimentation tank, a grey water adjusting tank and a composite sand filter which are arranged along the flowing direction of grey water and are sequentially communicated; the problems that the rural domestic sewage equipment is prevented from freezing in cold and arid areas in winter, the sewage equipment is resistant to compression deformation when buried deeply, and organic fertilizers and reclaimed water in the rural domestic sewage cannot be utilized are solved.
Description
Technical Field
The utility model relates to the technical field of rural wastewater treatment, in particular to a rural sewage source separation, collection and recycling system in cold and arid regions.
Background
With the rapid development of economic society, environmental problems become increasingly serious, wherein the water environment pollution is a problem closely related to the survival and development of human society, and the further development of the society is directly influenced. At present, the outstanding problems of freezing prevention during winter treatment in cold and arid rural domestic sewage, compression deformation resistance during deep burying of sewage equipment, incapability of utilizing organic fertilizers and reclaimed water in rural domestic sewage, high standard-reaching difficulty and treatment cost of rural domestic sewage mixing and integrated treatment, high management and protection requirements and the like are urgently solved; most of the existing sewage treatment technologies aim at urban domestic sewage, industrial wastewater and the like; and for rural domestic sewage, the related treatment technology is relatively less.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rural sewage source separation, collection and recycling system in cold and arid areas, and aims to solve the problems in the background art.
In order to solve the problems, the utility model adopts the following technical means:
a rural sewage source separation, collection and resource system in cold and arid regions comprises a facultative anaerobic system for treating black water and a composite sand filtration system for treating grey water;
the facultative anaerobic system comprises a black water sedimentation tank, a black water adjusting tank and a facultative anaerobic digestion tank which are arranged along the flowing direction of black water and are sequentially communicated;
the composite sand filtering system comprises a grey water sedimentation tank, a grey water regulating tank and a composite sand filtering tank which are sequentially communicated and arranged along the flowing direction of grey water.
Further, facultative anaerobic system and compound sand filtration system all sets up below ground frozen soil layer, and the top of both all surpasss ground and is not less than 5 centimetres, and safety well lid is all installed at the top of both.
Preferably, the top end of each pool body in the facultative anaerobic system and the composite sand filtering system is communicated with an anti-freezing neck and an inspection cover, the top ends of the anti-freezing neck and the inspection cover extend upwards out of the ground, and the safety well cover is arranged on the top surfaces of the anti-freezing neck and the inspection cover.
Furthermore, the black water sedimentation tank is communicated with a feces and urine discharge port of a toilet through a black water collecting pipeline, and the grey water sedimentation tank is communicated with a washing domestic wastewater discharge port through a grey water collecting pipeline.
Furthermore, the black water collecting pipeline and the grey water collecting pipeline are made of corrosion-resistant plastic pipes with the diameter not less than 110 mm.
Furthermore, biological fillers are paved in the black water sedimentation tank, the black water adjusting tank, the grey water sedimentation tank and the grey water adjusting tank.
Furthermore, the composite sand filter adopts a three-section four-layer structure, and the layer structure sequentially comprises a pebble layer, a slag layer, a soil and sand mixing layer and a filter membrane from bottom to top.
Furthermore, the diameter of pebbles of the pebble layer is 15-30 mm, and the diameter of gravels of the soil and sand mixing layer is 5-15 mm.
Furthermore, the facultative anaerobic septic tank is of an inverted trapezoidal platform or horizontal cylinder structure, and the composite sand filter tank is of an inverted trapezoidal platform structure.
Furthermore, the inner diameter of the inspection cover is larger than the outer diameters of the tops of the facultative anaerobic septic tank and the composite sand filter, so that the functions of bearing pressure, preventing freezing and protecting the sewage treatment equipment below are achieved.
In the using process, the utility model has the following beneficial effects:
firstly, sewage is classified and collected at a source, so that the sewage treatment difficulty can be reduced, and the subsequent sewage treatment efficiency can be improved; the deep-buried antifreezing measure is utilized to ensure that the sewage equipment can effectively operate all day long in cold areas; the fecal wastewater is treated by using an anaerobic technology and can be made into organic water fertilizer, so that the using amount of the chemical fertilizer is reduced; the grey water is pretreated by a grey water sedimentation tank and a grey water regulating tank and then discharged into a composite sand filter, and the grey water can be used as reclaimed water for landscaping after being adsorbed and filtered; the utility model has the advantages of simple structure, no power consumption, short construction period, low cost, suitability for local conditions, effective wastewater treatment and resource utilization. The aim of zero discharge of domestic sewage is fulfilled. The development of an environment-friendly resource-saving society is promoted.
Specifically, the utility model has the advantages that:
(1) the utility model adopts two sets of sewage collecting systems, can classify the sewage at the source, reduce the treatment difficulty and improve the subsequent treatment efficiency;
(2) the facultative anaerobic digestion tank can be used for treating the fecal sewage in an anaerobic digestion manner and obtaining organic liquid manure, and the retted sludge can be used as an organic fertilizer for agriculture;
(3) the inspection hood and the anti-freezing neck structure are additionally arranged, so that the compression resistance and anti-freezing capacity of the equipment are enhanced, the treatment equipment is buried below a frozen soil layer, and all-weather operation can be effectively guaranteed;
(4) the utility model adopts gravity flowing water and unpowered treatment, the treatment difficulty is reduced by quality-divided collection treatment, the whole system does not need a power device, the structure is simple, the maintenance and the operation are easy, and the construction and operation cost is greatly reduced;
(5) the sand filter can further improve the quality of the effluent;
(6) the exhaust port at the top of each pool is communicated with an exhaust pipe; biogas is discharged, and potential safety hazards are avoided;
(7) the top of each pool is not lower than 5 cm higher than the ground, and the utility model is provided with a safety well cover with a lock. Can prevent people and animals from falling;
(8) the construction of the whole system can utilize local landform and landform, and can be flexibly operated;
(9) the utility model realizes the purposes of zero discharge of rural domestic sewage and on-site resource utilization.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Wherein, the device comprises a black water sedimentation tank 1, a black water adjusting tank 2, a facultative anaerobic septic tank 3, a grey water sedimentation tank 4, a grey water adjusting tank 5, a composite sand filter 6, a safety well cover 7, an anti-freezing neck 8, an inspection cover 9, a black water collecting pipeline 10, a grey water collecting pipeline 11, a biological filler 12, a pebble layer 13, a slag layer 14, a soil and sand mixing layer 15 and a filter membrane 16.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, a rural sewage source separation, collection and recycling system in cold and arid areas comprises a facultative anaerobic system for treating black water and a composite sand filtration system for treating grey water;
the facultative anaerobic system comprises a black water sedimentation tank 1, a black water adjusting tank 2 and a facultative anaerobic digestion tank 3 which are arranged along the flowing direction of black water and are communicated in sequence;
the composite sand filtering system comprises a grey water sedimentation tank 4, a grey water regulating tank 5 and a composite sand filtering tank 6 which are sequentially communicated and arranged along the flowing direction of grey water.
Therefore, the sewage is firstly classified and collected at the source, the sewage treatment difficulty can be reduced, and the subsequent sewage treatment efficiency can be improved; the fecal wastewater is treated by using an anaerobic technology and can be made into organic water fertilizer, so that the using amount of the chemical fertilizer is reduced; the grey water is pretreated by a grey water sedimentation tank 4 and a grey water regulating tank 5 and then discharged into a composite sand filter 6, and the grey water can be used as reclaimed water for landscaping after being adsorbed and filtered; the utility model has the advantages of simple structure, no power consumption, short construction period, low cost, suitability for local conditions, effective wastewater treatment and resource utilization. The aim of zero discharge of domestic sewage is fulfilled. The development of an environment-friendly resource-saving society is promoted.
Specifically, the utility model has the advantages that:
(1) the utility model adopts two sets of sewage collecting systems, can classify the sewage at the source, reduce the treatment difficulty and improve the subsequent treatment efficiency;
(2) the utility model can treat the fecal sewage by anaerobic digestion through the facultative anaerobic septic tank 3 and obtain organic liquid fertilizer, and the retted sludge can be used as organic fertilizer for agriculture;
(3) the inspection hood and the anti-freezing neck structure are additionally arranged, so that the compression resistance and anti-freezing capacity of the equipment are enhanced, the treatment equipment is buried below a frozen soil layer, and all-weather operation can be effectively guaranteed;
(4) the utility model adopts gravity flowing water and unpowered treatment, the treatment difficulty is reduced by quality-divided collection treatment, the whole system does not need a power device, the structure is simple, the maintenance and the operation are easy, and the construction and operation cost is greatly reduced;
(5) the sand filter can further improve the quality of the effluent;
(6) the exhaust port at the top of each pool is communicated with an exhaust pipe; biogas is discharged, and potential safety hazards are avoided;
(7) the top of each pool is not lower than 5 cm higher than the ground, and a safety well cover 7 with a lock is arranged. Can prevent people and animals from falling;
(8) the construction of the whole system can utilize local landform and landform, and can be flexibly operated;
(9) the utility model realizes the purposes of zero discharge of rural domestic sewage and on-site resource utilization.
Preferably, the facultative anaerobic system and the composite sand filtration system are both arranged below a ground frozen soil layer, the tops of the facultative anaerobic system and the composite sand filtration system exceed the ground by not less than 5 centimeters, and the tops of the facultative anaerobic system and the composite sand filtration system are both provided with a safety well cover 7.
Therefore, the situation that the treatment of the black water and the grey water is influenced because the ambient temperature is too low is avoided by utilizing the geothermal energy.
Furthermore, the top end of each pool body in the facultative anaerobic system and the composite sand filtration system is communicated with an anti-freezing neck 8 and an inspection cover 9, the top end of the inspection cover 9 extends out of the ground upwards, and the safety well cover 7 is arranged on the top surface of the inspection cover 9.
Then, the black water sedimentation tank 1 is communicated with a feces and urine discharge port of a toilet through a black water collecting pipeline 10, and the grey water sedimentation tank 4 is communicated with a washing domestic wastewater discharge port through a grey water collecting pipeline 11.
Furthermore, the black water collecting pipe 10 and the grey water collecting pipe 11 are made of corrosion-resistant plastic pipes with the diameter not less than 110 mm.
And biological fillers 12 are paved in the black water sedimentation tank 1, the black water adjusting tank 2, the grey water sedimentation tank 4 and the grey water adjusting tank 5.
Meanwhile, the composite sand filter 6 adopts a three-section four-layer structure, and the layer structure sequentially comprises a pebble layer 13, a slag layer 14, a soil and sand mixing layer 15 and a filter membrane 16 from bottom to top.
Further, the diameter of the pebbles of the pebble layer 13 is 15-30 mm, and the diameter of the gravels of the soil and sand mixing layer 15 is 5-15 mm.
Furthermore, the facultative anaerobic septic tank 3 is of an inverted trapezoidal platform or horizontal cylinder structure, and the composite sand filter 6 is of an inverted trapezoidal platform structure.
Thus, by adopting a mode of 'pretreatment (precipitation and adjustment) + facultative anaerobic tank + sand filter' comprehensive treatment, rural domestic sewage is separated into black water and grey water at the source, the black water and the grey water respectively enter a precipitation tank, an adjusting tank, a facultative anaerobic tank and a composite sand filter 6 which are deeply buried under a frozen soil layer through different pipeline systems, namely a black water collecting pipeline 10 and a grey water collecting pipeline 11, the black water is treated by using a facultative anaerobic septic tank 3, and the grey water is treated by using the composite sand filter 6.
Through linking up the pipeline intercommunication between the different cell bodies, all be provided with the suction pump on every links up the pipeline to link up the end of intaking of pipeline and stretch into below the liquid level in the cell body, utilize the suction pump to take away the liquid in the cell body.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (10)
1. A rural sewage source separation and collection resource system in cold and arid areas is characterized in that: comprises a facultative anaerobic system for treating black water and a composite sand filtering system for treating grey water;
the facultative anaerobic system comprises a black water sedimentation tank (1), a black water adjusting tank (2) and a facultative anaerobic septic tank (3) which are arranged along the flowing direction of black water and are sequentially communicated;
the composite sand filtration system comprises a grey water sedimentation tank (4), a grey water adjusting tank (5) and a composite sand filter (6) which are arranged along the flowing direction of grey water and are communicated in sequence.
2. The rural sewage source separation, collection and recycling system for the cold and arid regions as claimed in claim 1, wherein: the facultative anaerobic system and the compound sand filtration system all sets up below ground frozen soil layer, and the top of both all surpasss ground and is not less than 5 centimetres, and safety well lid (7) are all installed to the top of both.
3. The rural sewage source separation, collection and recycling system for the cold and arid regions as claimed in claim 2, wherein: the top end of each pool body in the facultative anaerobic system and the composite sand filtering system is communicated with an anti-freezing neck (8) and an inspection cover (9), the top end of the inspection cover (9) extends out of the ground upwards, and the safety well cover (7) is installed on the top surface of the inspection cover (9).
4. The rural sewage source separation, collection and recycling system for the cold and arid regions as claimed in claim 1, wherein: the black water sedimentation tank (1) is communicated with a feces and urine discharge port of a toilet through a black water collecting pipeline (10), and the grey water sedimentation tank (4) is communicated with a washing domestic wastewater discharge port through a grey water collecting pipeline (11).
5. The rural sewage source separation, collection and recycling system for the cold and arid regions as claimed in claim 4, wherein: the black water collecting pipeline (10) and the grey water collecting pipeline (11) are made of corrosion-resistant plastic pipes with the diameter not less than 110 mm.
6. The rural sewage source separation, collection and recycling system for the cold and arid regions as claimed in claim 1, wherein: biological fillers (12) are laid in the black water sedimentation tank (1), the black water adjusting tank (2), the grey water sedimentation tank (4) and the grey water adjusting tank (5).
7. The rural sewage source separation, collection and recycling system for the cold and arid regions as claimed in claim 1, wherein: the composite sand filter (6) adopts a three-section four-layer structure, and the layer structure sequentially comprises a pebble layer (13), a slag layer (14), a soil and sand mixing layer (15) and a filter membrane (16) from bottom to top.
8. The rural sewage source separation, collection and recycling system for the cold and arid regions as claimed in claim 7, wherein: the diameter of pebbles of the pebble layer (13) is 15-30 mm, and the diameter of gravels of the soil and sand mixing layer (15) is 5-15 mm.
9. The rural sewage source separation, collection and recycling system for the cold and arid regions as claimed in claim 1, wherein: the facultative anaerobic septic tank (3) is of an inverted trapezoidal platform or horizontal cylinder structure, and the composite sand filter (6) is of an inverted trapezoidal platform structure.
10. The rural sewage source separation, collection and recycling system for the cold and arid regions as claimed in claim 3, wherein: the inner diameter of the inspection cover (9) is larger than the outer diameters of the tops of the facultative anaerobic septic tank and the composite sand filter, so that the functions of bearing pressure, preventing freezing and protecting sewage treatment equipment below are achieved.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122538028.9U CN215886731U (en) | 2021-10-21 | 2021-10-21 | Rural sewage source separation and collection resource system in cold and arid area |
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| CN202122538028.9U CN215886731U (en) | 2021-10-21 | 2021-10-21 | Rural sewage source separation and collection resource system in cold and arid area |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115286109A (en) * | 2022-09-30 | 2022-11-04 | 四川省生态环境科学研究院 | High and cold rural sewage treatment device and treatment method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115286109A (en) * | 2022-09-30 | 2022-11-04 | 四川省生态环境科学研究院 | High and cold rural sewage treatment device and treatment method |
| CN115286109B (en) * | 2022-09-30 | 2022-12-16 | 四川省生态环境科学研究院 | High and cold rural sewage treatment device and treatment method |
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