CN207259342U - A kind of domestic sewage in rural areas cleaning system - Google Patents
A kind of domestic sewage in rural areas cleaning system Download PDFInfo
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- CN207259342U CN207259342U CN201721129610.7U CN201721129610U CN207259342U CN 207259342 U CN207259342 U CN 207259342U CN 201721129610 U CN201721129610 U CN 201721129610U CN 207259342 U CN207259342 U CN 207259342U
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- 239000010865 sewage Substances 0.000 title claims abstract description 56
- 238000004140 cleaning Methods 0.000 title abstract description 3
- 238000011282 treatment Methods 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000000746 purification Methods 0.000 claims abstract description 43
- 239000002893 slag Substances 0.000 claims abstract description 32
- 238000001914 filtration Methods 0.000 claims abstract description 28
- 238000007664 blowing Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 25
- 238000004062 sedimentation Methods 0.000 claims description 15
- 238000009825 accumulation Methods 0.000 claims description 14
- 230000001954 sterilising effect Effects 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 238000004659 sterilization and disinfection Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 6
- 244000052616 bacterial pathogen Species 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims 1
- 230000001376 precipitating effect Effects 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 42
- 239000013049 sediment Substances 0.000 description 13
- 244000005700 microbiome Species 0.000 description 11
- 239000003344 environmental pollutant Substances 0.000 description 8
- 239000012535 impurity Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 231100000719 pollutant Toxicity 0.000 description 8
- 238000000354 decomposition reaction Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 5
- 235000015097 nutrients Nutrition 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 241000255925 Diptera Species 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000002957 persistent organic pollutant Substances 0.000 description 4
- 210000005056 cell body Anatomy 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006213 oxygenation reaction Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012851 eutrophication Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000008239 natural water Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
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- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
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- 150000001875 compounds Chemical class 0.000 description 1
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- 238000006731 degradation reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
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- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a kind of domestic sewage in rural areas cleaning system, including processing pond, storage slag bath and clarifier-tank, processing pond to be provided with：Fillter section, including the multiple filtering sieve plates being nested in processing pond are tilted, multiple filtering sieve plates are communicated with drainage conduit；Precipitating phase, including treatment region and settling zone, are equipped with multiple air-blowing devices in treatment region, flow blocking device are provided between settling zone and treatment region；Buildup section bottom is connected with drainage conduit；Store and be provided with the first conducting valve between slag bath and buildup section；Clarifier-tank includes artificial swamp pond, processing pond is connected with artificial swamp pond and the second conducting valve is provided therebetween, pass through fillter section setting up and down, precipitating phase and buildup section, the floor space of whole sewage purification system is reduced while disposed of in its entirety is carried out to sewage, pass through integrated tank body, and above-mentioned tank body is divided into different function sections, can easily it be installed while water purification function is realized, suitable for being promoted in rural area.
Description
Technical Field
The utility model relates to a sewage treatment technical field, more specifically say, it relates to a rural domestic sewage purification system.
Background
With the continuous promotion of new rural construction work, the living standard of people in rural areas is continuously improved, and people have higher requirements on living environment. In traditional rural construction, domestic sewage is mostly directly discharged, and purification of sewage is realized through natural infiltration of land or self-purification ability with the water body. However, as more domestic sewage is produced, the above-mentioned sewage treatment methods have apparently failed to meet the current needs.
For rural sewage to be treated, compared with urban sewage, the method has the following characteristics: firstly, the discharge time of sewage is relatively fixed, and the sewage is mostly discharged when people wash, shower, cook, wash dishes and the like; the total amount of sewage is less, the population base number limited by unit area in rural areas is small, and the weight of the sewage discharged is small; thirdly, the pollutant types are single, and a good effect can be achieved by a simple treatment process. There are also environmental requirements for the construction of rural sewage treatment systems, such as: firstly, the occupied area cannot be too large, and the overlarge occupied area does not meet the requirements of people in rural areas; secondly, the energy consumption cannot be too high, which causes great economic burden to the householder; thirdly, the disassembly and the assembly are convenient; finally, the treated sewage can be coordinated with the rural environment. Therefore, how to conveniently realize rural sewage treatment by using smaller energy consumption and smaller land resources is an important problem faced by rural sewage treatment at present.
SUMMERY OF THE UTILITY MODEL
To this problem in the practical application, the utility model aims to provide a rural domestic sewage purification system, concrete scheme is as follows:
a rural domestic sewage purification system comprises a treatment tank, a slag storage tank and a purification tank; wherein, the treatment tank has set gradually from top to bottom:
the filtering section comprises a plurality of filtering sieve plates which are obliquely nested in the treatment tank, and one end of each filtering sieve plate, which is obliquely downward, is communicated with a discharging pipe;
the settling section comprises a treatment area and a settling area, wherein the treatment area is internally provided with a plurality of air blowing devices for introducing air into the water body; the sedimentation zone is arranged below the treatment zone, and a flow isolating device for slowing down the flow of water in the sedimentation zone is arranged between the sedimentation zone and the treatment zone;
the material accumulation section is integrally arranged in a funnel shape, and the bottom of the material accumulation section is communicated with the discharge pipe;
a first conduction valve is arranged between the slag storage pool and the material accumulation section;
the purification tank comprises an artificial wetland tank, the treatment tank is communicated with the artificial wetland tank, and a second conduction valve is arranged between the treatment tank and the artificial wetland tank.
Through above-mentioned technical scheme, the filter segment that sets up from top to bottom, precipitation section and long-pending material section have reduced whole sewage purification system's area to, further discharge of sewage after filtering, oxygenation processing, precipitation purifies in the purifying tank, make the sewage after the processing can coordinate with the environment mutually. The whole system is well suitable for the characteristics of small amount of rural sewage, fixed discharge time and single pollutant type, can effectively solve the rural sewage treatment problem, and beautifies and promotes the environment of a new rural area.
Further, the treatment tank is a tank body which is integrally cylindrical, the discharge pipe is arranged outside the tank body, one end of the discharge pipe is communicated with the tank body, and an opening is formed in the side wall of the tank body;
the filter sieve plates are arranged in parallel, the filter sieve plates are nested in the tank body and are arranged in a curved surface manner, and the sizes of filter meshes of the filter sieve plates are gradually reduced from top to bottom; and the discharge openings of the filter sieve plates are communicated with the openings.
Through above-mentioned technical scheme, can carry out preliminary filtration treatment to the sewage that enters into the jar body, some large granule impurity in the filtering water to discharge above-mentioned impurity in the row material pipe.
Further, the air blowing device comprises a plurality of air nozzles and an air blower communicated with the air nozzles, and the air nozzles extend to positions close to the axial line of the tank body and are arranged obliquely upwards.
Through the technical scheme, oxygen can be introduced into the treatment area, so that the decomposition of organic pollutants in the water body by microorganisms is facilitated, and the purification of the water body is facilitated; the air nozzle arranged obliquely upwards enables water in the treatment area to form a water vortex in a vertical plane, so that the water can flow easily, and organic pollutants in the water can be decomposed by microorganisms.
Furthermore, the flow isolating device comprises a flow isolating ring plate arranged along the circumferential direction of the tank body, and one end of the flow isolating ring plate, which is far away from the inner side wall of the tank body, is obliquely and downwards arranged;
the width Y of the flow isolating ring plate is more than or equal to L & ltcos α/cos β & gt, wherein L is the length of the air nozzle extending into the tank body, α is the included angle formed by the air nozzle and the horizontal plane, and β is the included angle formed by the flow isolating ring plate and the horizontal plane.
Through the technical scheme, the water body vortex formed in the treatment area can be prevented from entering the settling area, so that the settling area can settle more stably. The oblique flow isolating ring plate can ensure that impurity particles in the treatment area can normally fall and settle.
Furthermore, a drawing type clapboard for separating the treatment area from the sedimentation area is arranged between the treatment area and the sedimentation area.
Through above-mentioned technical scheme, can keep apart processing area and settling zone completely, help settling zone more stable sediment.
Further, hold the sediment pond including holding the sediment pond cell body, hold the sediment pond cell body with on same horizontal plane was located to long-pending material section, hold the sediment pond and still include:
the cover plate is movably arranged at the opening of the slag storage tank body and is used for sealing or opening the slag storage tank body;
the ultraviolet sterilization device is arranged below the cover plate and is used for killing germs in the slag storage tank;
and the power supply is electrically connected with the ultraviolet sterilization device.
Through above-mentioned technical scheme, after first conduction valve switches on, under the effect of gravity, the gathering will enter into in the sediment of jar body long-pending material section holds the sediment pond, and the microorganism is further decomposed sedimentary foreign particles holding the sediment pond internal, and sets up the ultraviolet sterilizing equipment in apron below, can exterminate the mosquito germ that holds the sediment pond surface effectively, avoids the mosquito to breed.
Further, the first conduction valve and the second conduction valve are both electromagnetic valves and are electrically connected with the power supply;
the power supply comprises a solar cell panel and a storage battery;
the first conduction valve and the second conduction valve are in signal connection with a timing trigger controller used for controlling the conduction state of the first conduction valve and the second conduction valve.
By adopting the technical scheme, the whole sewage purification system can work relatively independently, and meanwhile, the energy consumption is reduced; the timing control also well fits the characteristic that the rural sewage discharge time is relatively fixed.
Further, the artificial wetland pool comprises a wetland plant area and an aquatic plant area; wherein,
the wetland plant area comprises from bottom to top in sequence: the cobblestone planting bed comprises a cobblestone layer, a sponge layer and a planting layer, wherein the sizes of cobblestones in the cobblestone layer are sequentially reduced from bottom to top;
the aquatic plant area is including setting up the planting frame in artifical wetland pond bottom of the pool, the aquatic plant has been planted in planting the frame.
Through the technical scheme, the cobble layer in the wetland plant area is beneficial to absorbing large-particle pollutants possibly existing in the water body, and the water storage space of the water body is increased, so that the growth of microorganisms is facilitated. The nutrient substances in the water body are absorbed by the vegetation of the planting layer, and the sponge layer is more beneficial to the growth of the plant root system. The aquatic plant area further purifies the water body by utilizing the natural water purification capacity of the aquatic plants, and the cleanliness of the water body discharged to the natural environment is ensured.
Furthermore, the bottom parts of the wetland plant area and the aquatic plant area are provided with oxygen increasing pipes communicated with the air blower.
By adopting the technical scheme, the oxygen content in the water body of the wetland plant area and the aquatic plant area can be increased, the decomposition of organic pollutants in the water body by microorganisms is facilitated, and the decomposed products can be further used as nutrients of aquatic plants or wetland plants. Meanwhile, elements such as nitrogen, phosphorus and potassium in the water body can be effectively absorbed, and water body eutrophication discharged into the natural environment is avoided.
Further, a plurality of guide plates for increasing the flow path of the water body are arranged in the aquatic plant area.
Through above-mentioned technical scheme, can increase the flow path of water in the aquatic plant district for the time that the water stays in the purifying tank increases, is favorable to further getting rid of the pollutant in the water, makes the water of discharging in the natural environment cleaner.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) through the filtering section, the settling section and the material accumulating section which are arranged up and down, the occupied area of the whole sewage purification system is reduced while the sewage is integrally treated;
(2) by arranging the integrated tank body and dividing the tank body into different functional sections, the water purifier can be conveniently installed while realizing the water purifying function, and is suitable for popularization in rural areas;
(3) by arranging the purification tank, comprehensive purification and cleaning of the water body can be realized through multi-level and diversified post-stage water treatment, so that the water body discharged by the purification system can be adapted and coordinated with the environment, and the environment is not influenced;
(4) the solar panel is adopted for power supply, so that automatic power supply of the sewage purification system can be realized, the energy consumption is reduced, and the solar energy sewage purification system is suitable for rural use environments;
(5) through setting up the sediment pond, can further ferment the decomposition to the impurity granule of sediment, make it become the compound fertilizer that can be utilized by the plant, be convenient for use in rural area.
Drawings
FIG. 1 is a general schematic view of a first embodiment;
FIG. 2 is a schematic view of a wetland vegetation area;
FIG. 3 is a schematic illustration (top view) of an aquatic plant area;
fig. 4 is an overall schematic view of the second embodiment.
Reference numerals: 1. a treatment tank; 2. a slag storage tank; 3. a purification tank; 4. a filtration section; 5. a precipitation section; 6. a material accumulation section; 7. a treatment zone; 8. a settling zone; 9. a first conduction valve; 10. an artificial wetland pool; 11. a second conduction valve; 12. filtering the sieve plate; 13. an air nozzle; 14. a blower; 15. a flow-isolating ring plate; 16. a pull type clapboard; 17. a slag storage tank body; 18. a cover plate; 19. an ultraviolet sterilization device; 20. a power source; 21. a solar panel; 22. a storage battery; 24. a wetland plant area; 25. an aquatic plant area; 26. a cobble layer; 27. a sponge layer; 28. planting a layer; 29. planting frames; 30. an oxygenation pipe; 31. a baffle; 32. and (4) feeding a material inlet.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
Example one
As shown in figure 1, a rural domestic sewage purification system mainly comprises a treatment tank 1, a slag storage tank 2 and a purification tank 3 which are communicated with each other. The sewage is treated by the treatment tank 1, the precipitated impurity particles enter the slag storage tank 2, and the sewage after primary treatment enters the purification tank 3 for further purification treatment of aquatic plants.
As shown in FIG. 1, the treatment tank 1 is a cylindrical tank body integrally made of corrosion-resistant plastic or metal, and sewage is introduced into the tank body through a feed inlet 32 at the top of the tank body. The tank body where the treatment tank 1 is arranged is sequentially provided with a filtering section 4, a settling section 5 and a material accumulating section 6 from top to bottom.
The filtering section 4 comprises a plurality of filtering sieve plates 12 which are obliquely nested in the treating tank 1, and one end of each filtering sieve plate 12 which is obliquely downward is communicated with a discharging pipe. Specifically, the discharge pipe is arranged outside the tank body in parallel, one end of the discharge pipe is communicated with the tank body, and an opening is formed in the side wall of the tank body. The height of the whole filtering section 4 is not more than 1/3 of the height of the whole tank body. Filter sieve 12 and be 3 and parallel arrangement each other, 3 filter sieve 12 nests in jar internal portion and be sunken curved surface setting, and the bin outlet of above-mentioned a plurality of filter sieve 12 all is linked together with the opening. Through the filtration sieve 12 of the aforesaid setting, the large granule impurity that remains on filtering sieve 12 after filtering can roll to the above-mentioned opening of arranging the material pipe along filtering sieve 12 to the outside of jar body is discharged. In order to better realize the filtering function, the sizes of the filtering meshes of the filtering sieve plates 12 are gradually reduced from top to bottom.
The settling section 5 comprises a treatment zone 7 and a settling zone 8. As shown in fig. 1, in order to increase the oxygen content in the water body and facilitate the degradation treatment of organic dirt by microorganisms, a plurality of air blowing devices for introducing air into the water body are arranged in the treatment area 7. The air blowing device comprises a plurality of air nozzles 13 and a blower 14 communicated with the air nozzles. The blower 14 is disposed outside the tank, and the air nozzle 13 is extended to a position close to the center axis of the tank and disposed obliquely upward. The air nozzle 13 is communicated with the blower 14, and the end of the air nozzle 13 is provided with a plurality of fine holes to divide the air into fine bubbles. Among the above-mentioned technical scheme, the air nozzle 13 that the slope upwards set up makes the water in the treatment area 7 can form the water vortex in vertical face, helps the flow that rolls of water, does benefit to the abundant contact of microorganism, organic filth and bubble, is favorable to realizing the consumption decomposition of pollutant in the water in the short time.
The organic matters after being consumed and decomposed move downwards under the action of natural gravity and enter a settling zone 8. In order to avoid the influence of the water body eddy generated in the treatment area 7 on the water body sedimentation of the sedimentation area 8, the sedimentation area 8 is arranged below the treatment area 7 and a flow separation device for slowing down the water body flow in the sedimentation area 8 is arranged between the sedimentation area 8 and the treatment area 7.
In detail, the flow isolating device comprises a flow isolating ring plate 15 arranged along the circumferential direction of the tank body, and the height of the flow isolating ring plate 15 is not less than 1/3 of the total height of the tank body. The end of the flow isolating ring plate 15 far away from the inner side wall of the tank body is arranged obliquely downwards.
the width Y of the flow separation ring plate 15 is more than or equal to L cos α/cos β, wherein L is the length of the air nozzle 13 extending into the tank body, α is the included angle between the air nozzle 13 and the horizontal plane, not more than 15 degrees and β is the included angle between the flow separation ring plate 15 and the horizontal plane, not less than 45 degrees and preferably 60 degrees.
The material accumulation section 6 is integrally arranged in a funnel shape, the bottom of the material accumulation section is communicated with the material discharge pipe, and impurity particles precipitated in the material accumulation section are conveyed to the material discharge pipe and are discharged into the slag storage tank 2 through the material conveying pipe.
As shown in fig. 1, the slag storage tank 2 includes a slag storage tank body 17, and the slag storage tank body 17 and the material accumulation section 6 are arranged on the same horizontal plane. Referring to fig. 1, a first conduction valve 9 is arranged between the slag storage tank 2 and the accumulation section 6. The first conduction valve 9 is an electromagnetic valve, the electromagnetic valve is controlled by a timing trigger controller, the electromagnetic valve is opened once at intervals of set time, and the impurity and dirt deposited in the material accumulation section 6 are automatically pushed into the slag storage pool 2 by using the pressure of the water body in the tank body.
Preferably, the slag storage tank 2 further comprises: the cover plate 18 is movably arranged at the opening of the slag storage tank body 17, and the cover plate 18 is used for sealing or opening the slag storage tank body 17 to prevent dirt or smell in the slag storage tank body 17 from escaping to the surrounding environment. Because a large amount of dirt is accumulated in the slag storage tank 2, mosquito and germs are easily induced, an ultraviolet sterilization device 19 is arranged below the cover plate 18 and is used for killing germs in the slag storage tank 2. In this embodiment, the ultraviolet sterilization device 19 includes an ultraviolet lamp. Ultraviolet light that above-mentioned ultraviolet lamp sent can kill hold the germ on foreign particle surface in the sediment pond 2, avoids the mosquito to breed, does not influence simultaneously that the microorganism does further decomposition to sedimentary foreign particle in holding sediment pond cell body 17.
Referring to fig. 1 and 2, the purification tank 3 includes an artificial wetland tank 10, and the treatment tank 1 is communicated with the artificial wetland tank 10, and a second conduction valve 11 is disposed therebetween.
The artificial wetland pool 10 includes a wetland plant area 24 and an aquatic plant area 25. As shown in fig. 2, the wetland plant area 24 is arranged in multiple layers, and comprises from bottom to top: a cobble layer 26, a sponge layer 27 and a planting layer 28. The size of the cobbles in the cobble layer 26 decreases from bottom to top. The sponge layer 27 mainly provides a growing environment for the root system of the plant, and the planting layer 28 mainly provides proper nutrients for the growth of the plant for fixing the plant.
The aquatic plant area 25 includes a planting frame 29 provided at the bottom of the artificial wetland tank 10, and aquatic plants such as aquatic weeds are planted in the planting frame 29.
According to the scheme, the cobble layer 26 in the wetland plant area 24 is beneficial to absorbing large-particle pollutants possibly existing in the water body, and the water storage space of the water body is increased, so that the growth of microorganisms is facilitated. The nutrients in the water are absorbed by the vegetation in the planting layer 28, and the sponge layer 27 is more conducive to the growth of the plant root system. The aquatic plant area 25 further purifies the water body by using the natural water purification capacity of the aquatic plants, and ensures the cleanliness of the water body discharged to the natural environment.
In order to increase the oxygen content in the water body of the wetland plant area 24 and the aquatic plant area 25, the organic pollutants in the water body can be decomposed by microorganisms. The bottom parts of the wetland plant area 24 and the aquatic plant area 25 are both provided with oxygen increasing pipes 30 communicated with the blower 14. The product decomposed by the microorganism can be further used as the nutrient of aquatic plants or wetland plants. Meanwhile, elements such as nitrogen, phosphorus and potassium in the water body can be effectively absorbed, and water body eutrophication discharged into the natural environment is avoided.
In order to increase the flow path of the water body in the hydrophyte area 25, so that the residence time of the water body in the purification tank 3 is increased, it is optimized that a plurality of guide plates 31 for increasing the flow path of the water body are arranged in the hydrophyte area 25, as shown in fig. 3. Therefore, pollutants in the water body are further removed without enlarging the area of the purifying pond 3, and the water body discharged to the natural environment is cleaner.
In this embodiment, the first conduction valve 9 and the second conduction valve 11 are electromagnetic valves, and the blower 14, the ultraviolet sterilizer 19, and the electromagnetic valves are all powered by a power source 20. The power supply 20 includes a solar panel 21 and a storage battery 22. By utilizing solar power generation, the whole sewage purification system can work relatively independently, and meanwhile, the energy consumption is reduced.
A timing trigger controller for controlling the on state of the second conduction valve 11 is connected to the second conduction valve 11 by a signal, similarly to the first conduction valve 9.
Example two
As shown in fig. 4, a rural domestic sewage purification system is different from the first embodiment in that: a drawing type clapboard 16 used for separating the treatment area 7 from the settling area 8 is arranged between the treatment area 7 and the settling area 8, the clapboard is manually or automatically driven and is used for separating the treatment area 7 from the settling area 8, and the treatment area 7 is completely separated from the settling area 8, so that more stable settling of the settling area 8 is facilitated.
The utility model discloses among the technical scheme, upper and lower filter stage 4, precipitation section 5 and the long-pending material section 6 that set up have reduced whole sewage purification system's area to, further discharge of sewage after filtration, oxygenation treatment, precipitation utilizes aquatic plant to purify in the clean pond 3, makes the sewage after handling can coordinate with the environment. The whole system is well suitable for the characteristics of small amount of rural sewage, fixed discharge time and single pollutant type, can effectively solve the rural sewage treatment problem, and beautifies and promotes the environment of a new rural area.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A rural domestic sewage purification system is characterized by comprising a treatment tank (1), a slag storage tank (2) and a purification tank (3); wherein, the treatment tank (1) is provided with from top to bottom in proper order:
the filtering section (4) comprises a plurality of filtering sieve plates (12) which are obliquely nested in the treatment tank (1), and one end of each filtering sieve plate (12) which is obliquely downward is communicated with a discharging pipe;
the settling section (5) comprises a treatment area (7) and a settling area (8), wherein a plurality of air blowing devices for introducing air into the water body are arranged in the treatment area (7); the sedimentation zone (8) is arranged below the treatment zone (7) and a flow isolating device for slowing down the flow of water in the sedimentation zone (8) is arranged between the sedimentation zone (8) and the treatment zone (7);
the material accumulation section (6) is integrally arranged in a funnel shape, and the bottom of the material accumulation section is communicated with the discharge pipe;
a first conduction valve (9) is arranged between the slag storage tank (2) and the material accumulation section (6);
the purification tank (3) comprises an artificial wetland tank (10), the treatment tank (1) is communicated with the artificial wetland tank (10), and a second conduction valve (11) is arranged between the two.
2. The rural domestic sewage purification system according to claim 1, wherein the treatment tank (1) is a tank body which is cylindrical as a whole, the discharge pipe is arranged outside the tank body, one end of the discharge pipe is communicated with the tank body, and an opening is formed on the side wall of the tank body;
the filter sieve plates (12) are arranged in parallel, the filter sieve plates (12) are nested in the tank body and are arranged in a curved surface manner, and the sizes of filter meshes of the filter sieve plates (12) are gradually reduced from top to bottom; the discharge openings of the filtering sieve plates (12) are communicated with the openings.
3. The rural domestic sewage purification system of claim 2, wherein the air blowing device comprises a plurality of air nozzles (13) and a blower (14) communicated with the air nozzles, and the air nozzles (13) extend to positions close to the central axis of the tank body and are arranged obliquely upwards.
4. The rural domestic sewage purification system of claim 3, wherein the flow separation device comprises a flow separation ring plate (15) arranged along the circumferential direction of the tank body, and one end of the flow separation ring plate (15) far away from the inner side wall of the tank body is arranged obliquely downwards;
the width Y of the flow isolating ring plate (15) is more than or equal to L & ltcos α/cos β, wherein L is the length of the air nozzle (13) extending into the tank body, α is the included angle formed by the air nozzle (13) and the horizontal plane, and beta is the included angle formed by the flow isolating ring plate (15) and the horizontal plane.
5. The rural domestic sewage purification system of claim 4, wherein a pull-out partition (16) is arranged between the treatment area (7) and the sedimentation area (8) for separating the treatment area (7) from the sedimentation area (8).
6. The rural domestic sewage purification system of claim 1, wherein the slag storage tank (2) comprises a slag storage tank body (17), the slag storage tank body (17) and the material accumulation section (6) are arranged on the same horizontal plane, and the slag storage tank (2) further comprises:
the cover plate (18) is movably arranged at the opening of the slag storage tank body (17) and is used for sealing or opening the slag storage tank body (17);
the ultraviolet sterilization device (19) is arranged below the cover plate (18) and is used for killing germs in the slag storage tank (2);
and the power supply (20) is electrically connected with the ultraviolet sterilization device (19).
7. The rural domestic sewage purification system of claim 6, wherein the first conduction valve (9) and the second conduction valve (11) are both solenoid valves and are electrically connected with the power supply (20);
the power supply (20) comprises a solar panel (21) and a storage battery (22);
the first conduction valve (9) and the second conduction valve (11) are in signal connection with a timing trigger controller for controlling the conduction state of the first conduction valve and the second conduction valve.
8. The rural domestic sewage purification system of claim 3, wherein the artificial wetland pool (10) comprises a wetland vegetation area (24) and an aquatics area (25); wherein,
the wetland plant area (24) comprises from bottom to top in sequence: the artificial cobblestone cultivation bed comprises a cobblestone layer (26), a sponge layer (27) and a planting layer (28), wherein cobblestones in the cobblestone layer (26) are sequentially reduced in size from bottom to top;
the aquatic plant area (25) comprises a planting frame (29) arranged at the bottom of the artificial wetland pool (10), and aquatic plants are planted in the planting frame (29).
9. The rural domestic sewage purification system of claim 8, wherein the bottom of the wetland plant area (24) and the aquatic plant area (25) are provided with oxygen increasing pipes (30) communicated with the blower (14).
10. The rural domestic sewage purification system of claim 9, wherein a plurality of baffles (31) for increasing the flow path of the body of water are provided in the aquatic plant section (25).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721129610.7U CN207259342U (en) | 2017-09-05 | 2017-09-05 | A kind of domestic sewage in rural areas cleaning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721129610.7U CN207259342U (en) | 2017-09-05 | 2017-09-05 | A kind of domestic sewage in rural areas cleaning system |
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| CN207259342U true CN207259342U (en) | 2018-04-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110104888A (en) * | 2019-05-21 | 2019-08-09 | 成都首创环境工程有限公司 | Cooperative reinforcing sewage disposal device and process for purifying water for wetlands ecosystems |
| CN111499100A (en) * | 2020-04-23 | 2020-08-07 | 吴斌 | Low-consumption treatment device for town sewage |
-
2017
- 2017-09-05 CN CN201721129610.7U patent/CN207259342U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110104888A (en) * | 2019-05-21 | 2019-08-09 | 成都首创环境工程有限公司 | Cooperative reinforcing sewage disposal device and process for purifying water for wetlands ecosystems |
| CN111499100A (en) * | 2020-04-23 | 2020-08-07 | 吴斌 | Low-consumption treatment device for town sewage |
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Granted publication date: 20180420 Termination date: 20200905 |