CN218879610U - Rural domestic sewage treatment system of unpowered formula - Google Patents
Rural domestic sewage treatment system of unpowered formula Download PDFInfo
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- CN218879610U CN218879610U CN202320116486.XU CN202320116486U CN218879610U CN 218879610 U CN218879610 U CN 218879610U CN 202320116486 U CN202320116486 U CN 202320116486U CN 218879610 U CN218879610 U CN 218879610U
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- 239000010865 sewage Substances 0.000 title claims abstract description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
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- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 32
- 229910052760 oxygen Inorganic materials 0.000 abstract description 32
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- 238000005265 energy consumption Methods 0.000 description 4
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- 241000186361 Actinobacteria <class> Species 0.000 description 3
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- 238000005273 aeration Methods 0.000 description 2
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- 241000894006 Bacteria Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical group O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
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- 239000011490 mineral wool Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model relates to a rural domestic sewage treatment system of unpowered, include along the anaerobism pond that the sewage flow direction set gradually, good oxygen pond, the undercurrent pond, the inside first pipeline that is equipped with in anaerobism pond, first pipeline bottom is equipped with first inlet opening, first settlement of first pipeline is equipped with the water distributor between high department and the good oxygen pond, the inside water distributor below that is located of good oxygen pond is equipped with biological filter bed, the air inlet pipe connection wind ball is passed through at good oxygen pond top, be equipped with the second pipeline in the good oxygen pond, second pipeline bottom is equipped with the second inlet opening, the second pipeline is set for high department at the second and is passed through undercurrent pond oral siphon and undercurrent pond intercommunication, adopt the utility model discloses a processing system very big energy resource consumption when having reduced sewage treatment has reduced the treatment cost.
Description
Technical Field
The utility model relates to a domestic sewage treatment technical field, concretely relates to rural domestic sewage treatment system of unpowered formula.
Background
The statements herein merely provide background related to the present disclosure and may not necessarily constitute prior art.
Rural communities have poor comprehensive environment, only partial drainage pipe networks are laid in villages (communities) to be managed, other village infrastructures are weak, no drainage pipe networks meet the standard, and open-ditch and underdrain drainage or surface overflow is mostly adopted; there is no centralized treatment facility, only a small amount of excrement and sewage is simply treated to fertilize the field, and most of the other excrement and sewage is directly discharged into ditches or ponds beside the village, so that the pollution to water bodies and underground water around the village is caused.
The rural domestic sewage treatment system is used for treating rural domestic sewage, comprises an anaerobic tank, an aerobic tank and the like, and solves the pollution problem of rural surrounding water and underground water.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects existing in the prior art, the utility model aims at providing a non-powered rural domestic sewage treatment system, which reduces the energy consumption and the maintenance cost of equipment.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
the embodiment of the utility model provides a rural domestic sewage treatment system of unpowered, include along the anaerobism pond that the sewage flow direction set gradually, good oxygen pond, undercurrent pond, the inside first pipeline that is equipped with in anaerobism pond, first pipeline bottom is equipped with first inlet opening, first settlement of first pipeline is equipped with the water distributor between high department and the good oxygen pond, the inside water distributor below that is located of good oxygen pond is equipped with biological filter bed, good oxygen pond top is passed through the admission line and is connected the wind ball, be equipped with the second pipeline in the good oxygen pond, second pipeline bottom is equipped with the second inlet opening, the second pipeline is set for high department at the second and is passed through undercurrent pond oral siphon and undercurrent pond intercommunication.
Optionally, a grit chamber is arranged at the upstream of the anaerobic tank, the grit chamber is communicated with the sewage inlet pipe, and is communicated with the anaerobic tank through an anaerobic tank inlet pipe at a third set height.
Optionally, a filter screen is arranged at the water inlet end of the water inlet pipe of the anaerobic tank.
Optionally, an anaerobic filler ball is arranged in the anaerobic tank.
Optionally, a first filter rod is arranged inside the first pipeline above the first water inlet hole.
Optionally, an aerobic filler ball is arranged in the aerobic tank.
Optionally, a second filter rod is arranged inside the second pipeline above the second water inlet hole.
Optionally, the water outlet end of the water inlet pipe of the subsurface flow cell extends into the bottom of the subsurface flow cell and is provided with a water outlet hole, and the subsurface flow cell is provided with a coarse filler and a fine filler from bottom to top.
Optionally, still include the overflow pond, the overflow pond is including the first part that is located the undercurrent pond and stretching out to the second part of undercurrent pond top, and the top of first part is equipped with the third inlet opening to communicate with the overflow pond through the third inlet opening.
Optionally, an air pump and a water pump are arranged at the top of the overflow tank, the water pump is connected with one end of a water pipe, the other end of the water pipe extends into the bottom of the overflow tank, the air pump is connected with one end of an air pipe, and the other end of the air pipe extends out of the bottom of the underflow tank and is connected with a backwash pipe at the bottom of the underflow tank.
The utility model has the advantages as follows:
1. the utility model discloses a rural domestic sewage treatment system, through setting up first pipeline, the second pipeline, underflow pond oral siphon etc, combine first inlet opening, the setting of second inlet opening, the mode that has realized sewage through the overflow flows through the anaerobism pond in proper order, good oxygen pond and underflow pond, good oxygen pond carries out the drop aeration through the biological filter bed of water distributor and its below, combine the wind ball, increase the oxygen content in good oxygen pond, the unpowered operation in good oxygen pond has been realized, need not the sewage pump, power equipment such as air-blower, very big reduction energy consumption and equipment maintenance cost, the sewage treatment cost is reduced.
2. The utility model discloses a rural domestic sewage treatment system has the overflow pond to be furnished with water pump and water pipe, can take out the retrieval and utilization with the water that the overflow pond can be handled, practiced thrift the water resource, have air pump, trachea and backwash pipe simultaneously, can carry out the back flush to the undercurrent pond, guarantee the sewage treatment effect.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
FIG. 1 is a front view of the whole structure of embodiment 1 of the present invention;
fig. 2 is a schematic view of the overall arrangement of embodiment 1 of the present invention;
fig. 3 is a schematic view of the overall arrangement of embodiment 2 of the present invention;
the system comprises a sand basin 1, an anaerobic basin 2, an aerobic basin 3, an underflow basin 4, an overflow basin 5, a sewage inlet pipe 6, a filter screen 7, an anaerobic basin inlet pipe 8, an anaerobic filling ball 9, a first pipeline 10, a first filter rod 11, a water distribution pipe 12, a biological filter bed 13, an aerobic filling ball 14, a second pipeline 15, a second filter rod 16, a underflow basin inlet pipe 17, a backwash pipe 18, a coarse filler 19, a fine filler 20, a water pipe 21, an air pipe 22, a water pump 23, a water pump 24, an air pump 25, an air ball 26, a sand basin well cover 27, an anaerobic basin well cover 28, an aerobic basin well cover 29 and an overflow basin well cover 29.
Detailed Description
For convenience of description, the words "up" and "down" in the present invention, if any, are used only to indicate correspondence with the up and down directions of the drawings themselves, and do not limit the structure, but merely to facilitate the description of the present invention and simplify the description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
The embodiment provides a non-powered rural domestic sewage treatment system, as shown in fig. 1-2, which comprises a grit chamber 1, an anaerobic chamber 2, an aerobic chamber 3, a subsurface flow chamber 4 and an overflow chamber 5, which are arranged in sequence along the sewage flow direction and are used for being buried under the ground, wherein in the embodiment, the grit chamber 1, the anaerobic chamber 2, the aerobic chamber 3 and the subsurface flow chamber 4 are arranged in a straight line, and the overflow chamber 5 is positioned in the subsurface flow chamber 4 and extends to the position above the subsurface flow chamber 4.
The sewage treatment process comprises the following steps:
the sewage for discharge enters a grit chamber 1, and flows into an anaerobic tank 2 after being filtered and grit-settled.
The sewage flows through the anaerobic tank 2, macromolecular organic matters in the sewage are degraded into micromolecular organic matters, nitrogen and phosphorus are effectively removed together with special strains, a small amount of produced biogas is discharged through the gas guide pipe, and the risk of odor pollution is reduced. Meanwhile, the anaerobic tank 2 is internally provided with biological filler, so that the fecal fermentation strain is more uniformly distributed in the whole tank body to form a high-efficiency anaerobic biological filter membrane, thereby achieving the effect of rapidly treating sewage.
A water distribution pipe, a biological filter bed, an unpowered air ball, biological fillers and the like are arranged in the aerobic tank 3, sewage is uniformly scattered on the biological filter bed through the water distribution pipe, actinomycetes, bacillus or other aerobic flora are attached to the biological filter bed, micromolecular organic matters are further degraded, and the effects of stabilizing the pH value of water and eliminating fishy smell are achieved. The oxygen content in the aerobic tank is increased in the process that the unpowered wind ball rotates along with the wind, so that the dissolved oxygen content is increased in the process that the sewage falls.
Sewage flows through the underflow tank, sludge sedimentation is rapidly realized, a filtering system is arranged in the underflow tank, the effect of purifying water is achieved, and the effluent meets the A standard of level one of pollutant discharge standards (GB 18918-2002) of urban sewage treatment plants and then flows into the overflow tank for later use.
Specifically, the method comprises the following steps:
grit chamber 1 adopts the open cylinder type structure in top, and the intercommunication of grit chamber has sewage to advance pipe 6 for leading-in grit chamber 1 with user's domestic sewage, the third of grit chamber 1 is set for and is provided with anaerobism pond oral siphon 8 between high department and the anaerobism pond 2, and after sewage in grit chamber 1 reached to set for the liquid level height, can get into anaerobism pond 2 through anaerobism pond oral siphon 8.
Anaerobic tank oral siphon 8's inlet end department is provided with filter screen 7, and the filter screen is connected with the one end of being connected the rope, and the other end of being connected the rope is connected with grit chamber well lid 26, and grit chamber well lid 26 sets up the opening end at grit chamber 1, carries out the shutoff to grit chamber 1's opening end. The filter screen 7 is used for filtering the sewage flowing into the anaerobic tank 2.
The top of the second anaerobic tank part is open and is provided with an anaerobic tank well cover 27 for plugging.
A first pipeline 10 with an axis parallel to the axis of the anaerobic tank is arranged in the anaerobic tank 2, the bottom end of the first pipeline is fixed with the bottom surface of the anaerobic tank 2, and the top end of the first pipeline extends to the second anaerobic tank part and is blocked by a sealing head.
The bottom end of the pipe wall of the first pipeline 10 is provided with a plurality of first water inlet holes, and sewage in the anaerobic tank 2 can enter the first pipeline 10 through the first water inlet holes.
A first filter rod 11 is arranged above the area where the first water inlet holes are formed, the top end of the first filter rod 11 is fixed to one end of the connecting rope, and the other end of the connecting rope is fixed to the end socket at the top of the first pipeline 10.
The first filter rod 11 may be a conventional filter rod for sewage, and may be made of a bio-charcoal material, which will not be described in detail.
A water distribution pipe 12 is arranged at a first set height position of the first pipeline 10, the water distribution pipe 12 is positioned above the first filter rod 11, the axis of the water distribution pipe 12 is perpendicular to the axis of the anaerobic tank 2, and the water distribution pipe 12 extends out of the anaerobic tank 2 and into the aerobic tank 3.
When the liquid level of the sewage entering the first pipeline 10 through the first water inlet hole reaches the height of the water distribution pipe 12, the sewage can enter the aerobic tank 3 through the water distribution pipe 12.
The structure of good oxygen pond 3 is the same with the structure of anaerobism pond 2, also adopts cylinder type structure, including the great first good oxygen pond portion of diameter and the less good oxygen pond portion of diameter of second, and the good oxygen pond portion of second is located first good oxygen pond portion top, and its top is uncovered utilizes good oxygen pond well lid 28 to carry out the shutoff, water distribution pipe 12 communicates the top and the first pipeline 10 of first good oxygen pond portion.
The wall of the water distribution pipe 12 is provided with a plurality of water distribution holes for uniformly distributing the sewage.
The water distribution pipe 12 is provided with a biological filter bed 13 below, one end of the biological filter bed 13 is fixedly connected with the wall of the first aerobic tank part, the biological filter bed 13 adopts the prior art, the biological filter bed comprises a bed body, actinomycetes, bacillus or other aerobic flora are attached to the bed body, micromolecular organic matters are further degraded, and meanwhile, the effects of stabilizing the pH value of water quality and eliminating fishy smell are achieved.
The pool wall top of the second good oxygen pond portion is connected with one end of intake pipe, and the other end of intake pipe is used for stretching out to ground top and is connected with the wind ball, and the wind ball is unpowered wind ball 25 for convert outside horizontal flow's air into the interior vertical decurrent flow of intake pipe, make the air get into good oxygen pond 3 inside, make sewage fall the in-process in good oxygen pond 3 and increase dissolved oxygen content.
A second pipeline 15 with the axis parallel to the axis of the aerobic tank is arranged in the aerobic tank 3, the bottom end of the second pipeline 15 is fixed with the bottom surface of the aerobic tank 3, and the top end of the second pipeline 15 extends into the second aerobic tank part and is sealed by a sealing head for sealing the top end opening.
The bottom of second pipeline 15 is provided with a plurality of second inlet openings, and sewage in the aerobic tank can get into second pipeline 15 through the second inlet opening, and the regional top in a plurality of second inlet openings places is provided with second filter rod 16, and the 16 tops of second filter rod are fixed with the one end of being connected the rope, and the other end of being connected the rope is fixed with the head on 15 tops of second pipeline.
The second filter rod 16 may be a conventional filter rod for sewage, and may be made of a bio-charcoal material, which will not be described in detail.
And a second set height position of the second pipeline 15 is connected with one end of a submerged flow tank water inlet pipe 17, and the other end of the submerged flow tank water inlet pipe 17 extends out of the aerobic tank and into the submerged flow tank. The underflow tank inlet pipe is located above the second filter rod 16.
The wastewater level in the second pipeline 15 reaches the height of the underflow tank inlet pipe and then can enter the underflow tank 4 through the underflow tank inlet pipe 17.
The part of the water inlet pipe 17 of the subsurface flow cell, which extends into the subsurface flow cell, is bent downwards by 90 degrees and extends to the bottom surface of the subsurface flow cell, a plurality of water outlet holes are formed in the bottom end of the water inlet pipe, and sewage in the water inlet pipe 17 of the subsurface flow cell can flow into the subsurface flow cell 4 through the water outlet holes.
The underflow tank 4 is of a cylindrical structure, the height of the underflow tank is lower than the heights of the tops of the first anaerobic tank part and the first aerobic tank part, and a coarse filler 19 and a fine filler 20 are filled in the overflow tank from bottom to top, wherein in the embodiment, the coarse filler is zeolite or ceramsite or coke, and the particle size of the coarse filler is 2-10cm; the fine filler is diatomite or sawdust or fine sand, and has a particle size of less than 0.2cm. It can be understood that one material can be selected as the coarse filler and the fine filler, and a plurality of materials can be selected and mixed according to a set proportion, and the arrangement can be carried out by a person skilled in the art according to actual needs.
The overflow tank 5 adopts a cylindrical structure and comprises a first part and a second part, wherein the first part is positioned in the overflow tank, the second part is positioned above the overflow tank and extends to the ground, and the open top end of the second part is plugged by using an overflow tank well cover 29.
The first part of overflow tank 5 is provided with the third hole of intaking, and the third hole of intaking corresponds with the top position of undercurrent pond 4 inner space, and sewage in the undercurrent pond 4 can get into overflow tank 5 through the third hole of intaking.
The water pump 23 and the air pump 24 are arranged in the space outside the overflow tank above the ground, and the water pump 23 and the air pump 24 are placed on the ground or the cover 29 of the overflow tank.
The water pump 23 is connected with one end of the water pipe 21, the other end of the water pipe 21 extends to the bottom of the overflow tank 5, the treated water meeting the water quality requirement in the overflow tank 5 can be pumped out through the water pump 23 for recycling, and the pumped water can be used as toilet flushing water or greening water, so that the effect of saving rural water resources is achieved.
The air pump 24 is connected with one end of the air pipe 22, the other end of the air pipe 22 extends out of the bottom of the underflow pool 4 through the bottom of the overflow pool 5 and is connected with the back flushing pipe 18 at the bottom of the underflow pool 4, the back flushing pipe 18 is provided with a plurality of air outlets and is used for back flushing the underflow pool at regular time, the treatment effect of fillers in the underflow pool 4 is guaranteed, and the treatment quality of sewage is further guaranteed.
In this embodiment, grit chamber, anaerobism pond, good oxygen pond, undercurrent pond and overflow tank top all set up the well lid that corresponds, and each well lid adopts insulation material to make, for example the well lid adopts the rock wool to make, prevents that the temperature from crossing low sewage treatment efficiency that influences.
First filter rod, second filter rod and filter screen all connect through connecting the rope, make things convenient for sewage treatment later stage clearance and maintenance.
In the embodiment, the grit chamber, the anaerobic tank, the aerobic tank, the underflow tank and the overflow tank are all made by adopting a glass fiber reinforced plastic material die pressing process, the strength is high, the sealing performance is good, the phenomena of fracture damage and hardened scum layer in the tank caused by foundation settlement can not occur at all, and the problem that the brick septic tank pollutes the underground water is thoroughly solved. The reliable operation of the septic tank and the reproduction and growth of the functional anaerobic bacteria of the anaerobic septic tank are ensured. No odor, no bacteria overflow, no breeding of mosquitoes and flies, and no environmental pollution; fine workmanship, smooth inner wall, scientific flow guiding and no blockage.
During construction, the foundation pit only needs to be dug on the site, and the foundation pit is placed into the corresponding pool, so that the construction speed is high, the foundation pit can be put into use within two hours after installation, the construction period can be conveniently shortened, and the condition that the foundation pit collapses due to time delay is avoided.
Each pond adopts cylinder type structure, resistance to compression, impact strength reinforcing several times than square intensity, do not need other any reinforcement measure can satisfy and use under the different situation, can bear dozens of tons of weight and do not have the anomaly moreover, the system compact structure of this embodiment, area is little, and actual area is about 60% of traditional septic tank, and all bury formula equipment, both practiced thrift land resource, do not receive season temperature change's influence again, the processing water is handled by peasant household's own as required, does not basically need to carry out later stage management and control maintenance, reduces later stage work and capital pressure.
The working method of the processing system of the embodiment is as follows:
the sewage discharged by a user enters a grit chamber, and enters an anaerobic chamber after being filtered and grit deposited, macromolecular organic matters in the sewage are degraded into micromolecular organic matters, meanwhile, biological filler is filled in the chamber, so that fecal sewage zymophyte strains are more uniformly distributed in the whole tank body to form a high-efficiency anaerobic biological filter membrane, the effect of quickly treating the sewage is achieved, the treated water enters a first pipeline through a first water inlet hole, the sewage is uniformly scattered on a biological filter bed through a water distribution pipe after being filtered by a first filter rod, actinomycetes and bacillus or other aerobic flora are attached to the biological filter bed, the micromolecular organic matters are further degraded, the effects of stabilizing the pH value of the water and eliminating the fishy smell are achieved, the advanced treatment of the sewage is realized under the condition of no conventional power, the oxygen content of an air ball is increased in the aerobic chamber in the process of rotating along with the wind, and the dissolved oxygen content of the sewage is increased in the falling process.
The sewage in the aerobic tank enters the second pipeline through the second water inlet hole, and after being filtered by the second filter rod, the sewage flows through the underflow tank through the inlet pipe of the overflow tank, so that sludge precipitation is quickly realized, coarse materials and fine materials are arranged in the underflow tank for filtering, the effect of purifying water is achieved, and the effluent meets the pollutant discharge standard (GB 18918-2002) of urban sewage treatment plant level A and then flows into the overflow well for later use.
When the service life of the filling in the underflow pool reaches the service cycle (about one year), a user starts the air pump to perform manual back flushing, and the service life of the underflow pool is prolonged.
The treatment system of the embodiment combines the first water inlet hole and the second water inlet hole by arranging the first pipeline, the second pipeline, the subsurface flow pool water inlet pipe and the like, realizes that sewage flows through the anaerobic tank, the aerobic tank, the subsurface flow pool and the overflow tank in sequence in an overflow mode, the aerobic tank carries out drop aeration through the water distribution pipe and a biological filter bed below the water distribution pipe, combines the wind ball to increase the oxygen content in the aerobic tank, realizes the unpowered operation of the aerobic tank, does not need power equipment such as a sewage pump, an air blower and the like, greatly reduces the energy consumption and the equipment maintenance cost, and reduces the sewage treatment cost
The gravity and the wind power are utilized to provide basic power for sewage treatment, so that energy and power are greatly saved; meanwhile, the hydraulic retention time is prolonged by utilizing hydrodynamics, and the sewage treatment capacity is improved; the contact time between the biological carbon technology and sewage is prolonged, and meanwhile, facilities easy to maintain are arranged, so that the practicability and the durability of the equipment are improved.
The system of the embodiment has detected that the effluent indexes reach first-class A standard (Table 1) of pollutant emission Standard (GB 18918-2002) of urban wastewater treatment plants. The process is reasonable in design, the processing units are matched, the multi-scene application can be realized by matching with the conventional 'toilet revolution', and particularly, the unpowered operation of 'drop and wind ball oxygenation' is adopted, so that the energy consumption and the equipment maintenance are greatly saved. Meanwhile, the process is successful once, the device is stable and efficient to operate, is used in rural domestic sewage treatment, especially good effluent quality after treatment, fully proves the maturity and reliability of the technology, and can be widely popularized and used in rural domestic sewage treatment.
TABLE 1 unpowered quality of inlet and outlet water of rural sewage treatment system
Example 2
This embodiment provides a non-powered rural domestic sewage treatment system, as shown in fig. 3, which is different from embodiment 1 only in that the anaerobic tank, the aerobic tank and the underflow tank are distributed in a triangular shape, and the other structures are the same as embodiment 1, and will not be described in detail here.
It is understood that the arrangement of the grit chamber, the anaerobic chamber, the aerobic chamber and the underflow chamber can be determined by those skilled in the art according to actual conditions, and will not be described in detail.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A unpowered rural domestic sewage treatment system is characterized by comprising an anaerobic tank, an aerobic tank and a subsurface flow tank which are sequentially arranged along a sewage flow direction, wherein a first pipeline is arranged in the anaerobic tank, a first water inlet hole is formed in the bottom of the first pipeline, a water distribution pipe is arranged between a first set height of the first pipeline and the aerobic tank, a biological filter bed is arranged below the water distribution pipe in the aerobic tank, the top of the aerobic tank is connected with a wind ball through a gas inlet pipeline, a second pipeline is arranged in the aerobic tank, a second water inlet hole is formed in the bottom of the second pipeline, and the second pipeline is communicated with the subsurface flow tank through a subsurface flow tank water inlet pipe at a second set height.
2. The unpowered rural domestic sewage treatment system according to claim 1, wherein a grit chamber is disposed upstream of the anaerobic tank, the grit chamber is communicated with the sewage inlet pipe, and is communicated with the anaerobic tank at a third set height through the anaerobic tank inlet pipe.
3. The unpowered rural domestic sewage treatment system of claim 2 wherein the water inlet end of the anaerobic tank inlet pipe is provided with a filter screen.
4. The unpowered rural domestic sewage treatment system of claim 1 wherein the anaerobic tank is provided with anaerobic packing balls.
5. The unpowered rural domestic sewage treatment system of claim 1 wherein a first filter rod is disposed inside the first pipe above the first water inlet.
6. The unpowered rural domestic sewage treatment system of claim 1 wherein said aerobic tank is internally provided with aerobic filler balls.
7. The unpowered rural domestic sewage treatment system of claim 1 wherein a second filter rod is disposed inside the second pipe above the second water inlet.
8. The unpowered rural domestic sewage treatment system according to claim 1, wherein the outlet end of the inlet pipe of the submerged flow tank extends to the bottom of the submerged flow tank, and is provided with an outlet hole, and the submerged flow tank is provided with a coarse filler and a fine filler from bottom to top.
9. The unpowered rural domestic sewage treatment system of claim 1 further comprising an overflow tank, wherein the overflow tank comprises a first portion located in the underflow tank and a second portion extending above the underflow tank, and the top end of the first portion is provided with a third water inlet hole and is communicated with the overflow tank through the third water inlet hole.
10. The unpowered rural domestic sewage treatment system according to claim 1, wherein the top of the overflow tank is provided with an air pump and a water pump, the water pump is connected with one end of a water pipe, the other end of the water pipe extends into the bottom of the overflow tank, the air pump is connected with one end of an air pipe, and the other end of the air pipe extends to the bottom of the underflow tank and is connected with a backwash pipe at the bottom of the underflow tank.
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| CN202320116486.XU CN218879610U (en) | 2023-01-16 | 2023-01-16 | Rural domestic sewage treatment system of unpowered formula |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117303590A (en) * | 2023-11-16 | 2023-12-29 | 中鼎特金秦皇岛科技股份有限公司 | Rural domestic sewage treatment device and working method based on gravity aeration |
| CN118164646A (en) * | 2024-04-26 | 2024-06-11 | 广东中太环保科技有限公司 | Segment-channel type unpowered sewage treatment system |
-
2023
- 2023-01-16 CN CN202320116486.XU patent/CN218879610U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117303590A (en) * | 2023-11-16 | 2023-12-29 | 中鼎特金秦皇岛科技股份有限公司 | Rural domestic sewage treatment device and working method based on gravity aeration |
| CN118164646A (en) * | 2024-04-26 | 2024-06-11 | 广东中太环保科技有限公司 | Segment-channel type unpowered sewage treatment system |
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