CN114590962A - Toilet sewage treatment device and treatment process - Google Patents
Toilet sewage treatment device and treatment process Download PDFInfo
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- CN114590962A CN114590962A CN202210232724.3A CN202210232724A CN114590962A CN 114590962 A CN114590962 A CN 114590962A CN 202210232724 A CN202210232724 A CN 202210232724A CN 114590962 A CN114590962 A CN 114590962A
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- 239000010865 sewage Substances 0.000 title claims abstract description 181
- 238000000034 method Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 118
- 238000005276 aerator Methods 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims description 88
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 76
- 239000012528 membrane Substances 0.000 claims description 47
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 229910052799 carbon Inorganic materials 0.000 claims description 18
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 18
- 229910052698 phosphorus Inorganic materials 0.000 claims description 18
- 239000011574 phosphorus Substances 0.000 claims description 18
- 241000894006 Bacteria Species 0.000 claims description 15
- 230000001105 regulatory Effects 0.000 claims description 14
- 230000000249 desinfective Effects 0.000 claims description 12
- 238000004659 sterilization and disinfection Methods 0.000 claims description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 10
- 239000000945 filler Substances 0.000 claims description 9
- 238000011001 backwashing Methods 0.000 claims description 8
- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 5
- 125000001477 organic nitrogen group Chemical group 0.000 claims description 5
- 230000004099 anaerobic respiration Effects 0.000 claims description 4
- 241001148470 aerobic bacillus Species 0.000 claims description 3
- 239000000969 carrier Substances 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 230000001954 sterilising Effects 0.000 claims description 3
- 230000000593 degrading Effects 0.000 claims description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 230000000875 corresponding Effects 0.000 description 35
- 239000010802 sludge Substances 0.000 description 21
- 239000010410 layer Substances 0.000 description 20
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 239000002893 slag Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000003749 cleanliness Effects 0.000 description 6
- 239000000049 pigment Substances 0.000 description 6
- 230000035943 smell Effects 0.000 description 6
- 238000007599 discharging Methods 0.000 description 4
- 230000000813 microbial Effects 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000001737 promoting Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 241000108664 Nitrobacteria Species 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 230000000903 blocking Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000004059 degradation Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
- C02F2003/003—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms using activated carbon or the like
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/163—Nitrates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/005—Black water originating from toilets
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
-
- 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
Abstract
The application discloses a toilet sewage treatment device, which relates to the technical field of toilet sewage treatment and comprises a frame body and a first annular treatment tank arranged on the frame body, wherein the inner space of the first annular treatment tank is divided into an aerobic cavity and an anaerobic cavity which are coaxially nested by virtue of a baffle ring, the aerobic cavity is positioned in the middle of the anaerobic cavity, an aerator is arranged at the bottom of the aerobic cavity, and a water inlet pipe communicated with a sewage discharge pipe and the aerobic cavity is arranged on the first annular treatment tank; an overflow pipe for communicating the aerobic cavity and the anaerobic cavity is arranged on the upper side of the baffle ring; a second annular treatment tank is arranged on one side of the frame body in the horizontal direction of the first annular treatment tank, and the structure of the second annular treatment tank is consistent with that of the first annular treatment tank; the upper side of the outer wall of the first annular treatment tank is provided with a communicating pipe which is communicated with the water inlet pipe of the second annular treatment tank. The application has the effects of reducing the floor area of the sewage treatment device and enlarging the application range of the sewage treatment device. The application also discloses a toilet sewage treatment process, which has the effect of improving the toilet sewage treatment effect.
Description
Technical Field
The application relates to the technical field of toilet sewage treatment, in particular to a toilet sewage treatment device and a treatment process.
Background
With the continuous improvement of the national standard of living, the discharge amount of various domestic sewage such as toilet excrement flushing water and the like is greatly improved, and the sewage contains a large amount of bacteria and pollutants, so that the sewage is usually discharged after being correspondingly treated. At present, common toilet sewage treatment modes at home and abroad mainly comprise anaerobic treatment, aerobic treatment and chemical treatment.
Wherein, the anaerobic treatment mode becomes the most conventional and common sewage treatment mode in the toilet sewage treatment technology due to the characteristics of simple operation, low investment, low operation cost and the like; at present, when municipal treatment is carried out on toilet sewage, septic tanks are mostly used for anaerobic treatment, and then the sewage is uniformly poured into municipal sewage pipelines; but many residential areas outside the municipal sewage treatment system need to be provided with devices for treating the toilet sewage independently, and then the treated sewage is directly poured into a natural water source; for independently arranged sewage treatment devices, particularly, like toilet sewage treatment devices arranged in urban areas, the required volume is usually not too large, and because the urban space is small in size, the toilet sewage treatment occupies too much urban space, obviously does not conform to the development and planning of cities, and has the problem of poor applicability.
Disclosure of Invention
In order to reduce the floor space of the sewage treatment device and expand the application range of the sewage treatment device, the application provides the toilet sewage treatment device and the treatment process.
In a first aspect, the present application provides a lavatory sewage treatment plant, which adopts the following technical scheme:
a toilet sewage treatment device comprises a frame body and a first annular treatment tank arranged on the frame body, wherein a baffle ring is arranged in the first annular treatment tank, the baffle ring divides the inner space of the first annular treatment tank into an aerobic cavity and an anaerobic cavity which are coaxially nested, the aerobic cavity is positioned in the middle of the anaerobic cavity, and an aerator is arranged at the bottom of the aerobic cavity in the first annular treatment tank; a water inlet pipe for communicating the sewage discharge pipe with the aerobic cavity is arranged on the first annular treatment tank; an overflow pipe is arranged on the upper side of the baffle ring and is communicated with the aerobic cavity and the anaerobic cavity; a second annular treatment tank is arranged on one side of the frame body in the horizontal direction of the first annular treatment tank, a communicating pipe is arranged on the upper side of the outer wall of the first annular treatment tank, and the communicating pipe is communicated with a water inlet pipe of the second annular treatment tank; the structure of the second annular processing tank is the same as that of the first annular processing tank.
By adopting the technical scheme, when in actual use, the sewage discharge pipe is communicated with the water inlet pipe, and the toilet sewage is discharged into the aerobic cavity of the first annular treatment tank through the water inlet pipe; in the aerobic cavity, the aerator continuously supplies air, and the sewage in the aerobic cavity is in contact with the air to oxygenate, so that organic matters in the sewage are promoted to be in contact with oxygen and decomposed into inorganic salts; along with the continuous discharge of the toilet sewage, the upper layer sewage in the aerobic cavity of the first annular treatment tank flows into the anaerobic cavity of the first annular treatment tank through the overflow pipe, and primary anaerobic treatment is carried out in the anaerobic cavity; meanwhile, the sewage after the preliminary anaerobic treatment is discharged into an aerobic cavity of a second annular treatment tank from a communicating pipe for further aerobic reaction; the inner spaces of the first annular treatment tank and the second annular treatment tank are arranged into nested cavity structures by means of the baffle ring, so that the aerobic pool and the anaerobic pool are completely separated, the occupied area of the sewage treatment device is reduced under the condition of treating sewage with the same volume, the sewage treatment device meets the setting requirements of different size areas, and the applicability of the sewage treatment device is effectively improved.
Preferably, the overflow pipe is arranged on the upper side of the baffle ring, one end of the overflow pipe extends into the aerobic cavity, the other end of the overflow pipe penetrates through the outer wall of the first annular treatment tank, and penetrates through the outer wall of the first annular treatment tank again from the outer side of the first annular treatment tank and extends into the anaerobic cavity; and a first regulating valve is arranged on the overflow pipe.
By adopting the technical scheme, the overflow pipe sequentially penetrates through the baffle ring and the outer wall of the first annular treatment tank and then is communicated with the aerobic cavity and the anaerobic cavity, so that a worker can conveniently install the first regulating valve on the overflow pipe; when the device is used specifically, sewage in the aerobic cavity is discharged into the anaerobic cavity from the overflow pipe, and anaerobic treatment is carried out; set up first governing valve, help promoting the convenience that the staff controlled the circulation of good oxygen chamber and anaerobism intracavity sewage.
Preferably, a connecting pipe is arranged on the outer wall of the first annular treatment tank, two ends of the connecting pipe are respectively communicated with the bottom of the aerobic cavity and the upper part of the anaerobic cavity, and a second regulating valve is arranged on the connecting pipe; and one end of the overflow pipe, which is deviated from the aerobic cavity, is communicated with a pipeline of the connecting pipe, which is positioned at the upper side of the second regulating valve.
Through adopting above-mentioned technical scheme, among the lavatory sewage treatment process, close first governing valve, open the second governing valve, make the good oxygen chamber and the anaerobism chamber intercommunication of first annular processing jar, form the linker structure to make the sewage of corresponding annular processing jar good oxygen chamber bottom discharge into the anaerobism intracavity from the connecting pipe, effectively promote the convenience that anaerobic chamber was discharged to the good oxygen chamber lower floor sewage of first annular processing jar.
Preferably, the communicating pipe of the second annular processing tank is communicated with a third annular processing tank; and the communicating pipe of the third annular processing tank is communicated with a filtering tank.
By adopting the technical scheme, the sewage in the second annular treatment tank is discharged into the third annular treatment tank through the communicating pipe for further ammonia nitrogen removal treatment; the sewage in the third annular treatment tank is discharged into the filtering tank through the corresponding communicating pipe, and substances such as suspended sludge, nitrobacteria and the like in the sewage are filtered by the filtering tank, so that the cleanliness of the treated toilet sewage is improved.
Preferably, a filtering membrane is arranged in the filtering tank, a water suction pump is arranged on the frame body, and one side, located on the back surface of the filtering membrane, in the filtering tank is communicated with a water inlet of the water suction pump through a drainage pipeline; one side of the back water surface of the filtering membrane in the filtering pool is communicated with a disinfecting device.
By adopting the technical scheme, the sewage is discharged into the filter tank through the corresponding communicating pipe after the ammonia nitrogen is further removed by the third annular treatment tank; in the filtering tank, sewage subjected to aerobic/anaerobic intermittent treatment flows into the side of the water back surface of the filtering membrane from the side of the water front surface of the filtering membrane under the suction action of a water suction pump, so that suspended sludge, microbial colonies and the like in the sewage are separated from a purified water body, and the water body is filtered; meanwhile, the disinfection device injects disinfection liquid medicine into the purified water body so as to disinfect the corresponding water body, thereby effectively reducing the occurrence of the situation that harmful substances pollute underground water and soil and harm human health after the corresponding water body is discharged.
Preferably, a circulating water pump is arranged on one side, facing the water surface, of the filtering membrane in the filtering tank, a water outlet of the circulating water pump is communicated with a circulating pipe, and the circulating pipe is communicated with the aerobic cavity of the first annular treatment tank.
By adopting the technical scheme, in the sewage treatment process, the toilet sewage is continuously discharged into the aerobic chamber of the first annular treatment tank through the drain pipe, so that the corresponding toilet sewage cannot be fully denitrified and dephosphorized after sequentially reacting in the first annular treatment tank, the second annular treatment tank and the third annular treatment tank, the sewage on the upstream side of the filtering membrane of the filtering tank is discharged into the aerobic cavity of the first annular treatment tank again by utilizing the circulating water pump, and aerobic/anaerobic treatment is carried out for a plurality of times again, thereby being beneficial to fully denitrify and dephosphorize the toilet sewage.
Preferably, the delivery port of suction pump has the active carbon pond through the drainage pipe intercommunication, the active carbon layer has been laid to the middle part position level of active carbon pond direction of height, just drainage pipe deviates from the one end and the active carbon bottom of the pool portion intercommunication of suction pump delivery port.
By adopting the technical scheme, the filtered and disinfected water body is discharged into the bottom of the activated carbon pool along a drainage pipeline; in the activated carbon tank, the corresponding water body passes through the activated carbon layer from bottom to top, and the activated carbon layer adsorbs peculiar smell and pigments in the sewage, so that the cleanliness of the sewage after treatment is further improved.
Preferably, a backwashing water pump is arranged on the frame body, a water inlet of the backwashing water pump is communicated with the upper part of the activated carbon pool through a water pipe, and a water outlet of the backwashing water pump is communicated with a drainage pipeline through the water pipe.
By adopting the technical scheme, when the device is in actual use, the backwashing water pump extracts the upper layer cleaned water in the active carbon tank, and the water is discharged into the filtering tank through the drainage pipeline and is positioned on the side of the back water surface of the filtering membrane, so that the water in the filtering tank penetrates through the filtering membrane from the side of the back water surface of the filtering membrane and flows towards the side of the upstream water surface of the filtering membrane, and substances such as sludge and the like adhered to the side of the upstream water surface of the filtering membrane are washed away, so that the filtering membrane is cleaned, and convenience for cleaning the filtering membrane by workers is improved; meanwhile, the upper layer cleaned water body of the active carbon pool is utilized to carry out the cleaning operation of the filtering membrane, so that the water body is recycled, the energy conservation and emission reduction are facilitated, and the sewage treatment cost is saved.
In a second aspect, the present application provides a toilet wastewater treatment process, which adopts the following technical scheme:
a toilet sewage treatment process comprises the following steps:
s1, degradation and purification: in the aerobic cavity, aerobic bacteria take the filler as a carrier, degrade organic matters in the toilet sewage, ammoniate organic nitrogen and then nitrify the organic nitrogen; meanwhile, the phosphorus content is rapidly reduced along with the excessive extraction of the phosphorus-accumulating bacteria;
s2, denitrification: in the anaerobic cavity, denitrifying bacteria utilize organic matters and nitrate in the sewage to perform anaerobic respiration and decompose organic matters; simultaneously, reducing nitrogen in the nitrate into gaseous nitrogen;
s3, filtering, refluxing and sterilizing;
and S4, decoloring.
By adopting the technical scheme, in the sewage treatment process, workers respectively add the nano bio-ball fillers into aerobic cavities of the first annular treatment tank, the first annular treatment tank and the third annular treatment tank; the toilet sewage is discharged into the aerobic cavity of the first annular treatment tank through the water inlet pipe; in the aerobic cavity, the aerator is continuously filled with air, and the air stirs the nano biological ball filler in the first annular treatment tank to a suspension state, so that the contact chance of microorganisms and organic matters in the sewage with oxygen is increased; the aerobic bacteria take nano bio-sphere filler as a carrier to ammoniate organic nitrogen in the sewage, and then are nitrified to perform denitrification treatment. Meanwhile, the upper layer sewage in the aerobic cavity of the first annular treatment tank is discharged into the anaerobic cavity of the first annular treatment tank through an overflow pipe; in the anaerobic cavity, denitrifying bacteria use an organic carbon source in sewage as an electron donor and nitrate as an electron acceptor instead of molecular oxygen to perform anaerobic respiration, decompose organic matters, reduce nitrogen in the nitrate into gaseous nitrogen and perform denitrification treatment.
The toilet sewage flows through a first annular treatment tank aerobic cavity, a first annular treatment tank anaerobic cavity, a second annular treatment tank aerobic cavity, a second annular treatment tank anaerobic cavity and a third annular treatment tank in sequence, and aerobic reaction and anaerobic reaction are carried out intermittently; meanwhile, aerobic, anoxic and anaerobic reaction processes are sequentially carried out on the nano bio-sphere filler from outside to inside, so that the biological nitrogen and phosphorus removal effects in the sewage are effectively promoted.
In the filtering tank, the sewage passes through a filtering membrane to filter suspended sludge, microorganisms and the like; in addition, sewage on the upstream side of the filtering membrane in the filtering tank is pumped into the aerobic cavity of the first annular treatment tank again through a circulating water pump, so that the sludge is promoted to flow back, and phosphorus accumulating bacteria in the returned sludge decompose phosphorus accumulating in the water body; and, as the nitrification reaction proceeds, the phosphorus content rapidly decreases with the excessive extraction of the phosphorus accumulating bacteria. In the continuous treatment process of the toilet sewage, the toilet sewage flows through the aerobic cavity of the first annular treatment tank, the anaerobic cavity of the first annular treatment tank, the aerobic cavity of the second annular treatment tank, the anaerobic cavity of the second annular treatment tank and the third annular treatment tank, and denitrification and dephosphorization operations are fully performed; meanwhile, the disinfection device disinfects the filtered water body; in the activated carbon tank, the activated carbon layer adsorbs peculiar smell, pigment and the like in the filtered and disinfected sewage, so that the corresponding sewage reaches the dischargeable sanitary and environment-friendly standard and is discharged later.
By adopting the mode, the sewage is subjected to multi-stage treatment, harmful substances in the toilet flushing sewage are effectively removed, and the cleanliness of the treated toilet sewage is improved, so that the influence of the toilet sewage discharge on the surrounding environment is effectively reduced.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first annular treatment tank and the second annular treatment tank are arranged, and the baffle ring is arranged in the first annular treatment tank and the second annular treatment tank, so that the inner spaces of the first annular treatment tank and the second annular treatment tank are respectively arranged into an aerobic cavity and an anaerobic cavity which are mutually nested, and the completely independent aerobic pool and anaerobic pool are replaced by the two annular treatment tanks; under the condition of treating sewage with the same volume, the floor area of the sewage treatment device is effectively reduced, so that the setting requirements of spaces with different sizes are met, and the application range of the sewage treatment device is effectively expanded;
2. by means of the connecting pipes, the aerobic cavity and the anaerobic cavity of the first annular treatment tank and the aerobic cavity and the anaerobic cavity of the second annular treatment tank form a communicating vessel structure, convenience of discharging sewage into the anaerobic cavity of the aerobic cavity of the corresponding tank body is effectively improved, the structure is simple, manufacturing is convenient, and enterprise production cost is effectively saved; meanwhile, by means of a first regulating valve arranged on the overflow pipe and a second regulating valve arranged on the connecting pipe, a pipeline formed by combining the overflow pipe and the connecting pipe forms a two-way valve structure, so that the circulation of sewage in an aerobic cavity and an anaerobic cavity of the corresponding tank body is facilitated, and the convenience of the toilet sewage treatment operation is effectively improved;
3. through setting up circulating water pump, the sewage that is located filtration membrane upstream face one side in the filtering pond discharges into the good oxygen chamber of first annular treatment tank again, and the circulation carries out good oxygen/anaerobism intermittent type and handles, helps lavatory sewage abundant denitrogenation, dephosphorization, helps promoting lavatory sewage purification effect.
Drawings
FIG. 1 is an axial view of an embodiment of the present invention, which mainly shows the overall structure of the sewage treatment apparatus.
FIG. 2 is an axial schematic view of the first annular processing tank embodying the overall structure of the present invention.
Fig. 3 is an axial view of the embodiment of the present application, which mainly shows the installation positions of the filter tank and the activated carbon tank.
FIG. 4 is a flow node diagram mainly showing the sewage treatment device to realize the sewage treatment function in the embodiment of the present application.
FIG. 5 is a flow chart showing the toilet sewage treatment process according to the embodiment of the present application.
Reference numerals: 1. a frame body; 2. a first annular treatment tank; 21. a baffle ring; 22. an aerobic cavity; 23. an anaerobic chamber; 24. a water inlet pipe; 25. an overflow pipe; 251. a first regulating valve; 26. a communicating pipe; 261. a stop valve; 27. a connecting pipe; 271. a second regulating valve; 3. a second annular treatment tank; 31. a tank opening; 32. a baffle plate; 33. a semi-open cover plate; 34. a handle; 35. a slag discharge pipe; 351. a control valve; 4. a third annular treatment tank; 5. an aerator; 6. a filtration tank; 61. a filtration membrane; 62. a water circulating pump; 621. a circulation pipe; 7. an active carbon pool; 71. an activated carbon layer; 72. a water discharge pipeline; 8. a water pump; 81. a water pipe; 9. and (4) backwashing the water pump.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a sewage treatment device.
Referring to fig. 1 and 2, a sewage treatment device is used for continuously treating excrement discharged to a municipal sewage treatment plant from a municipal drainage pipe network or flushing sewage from the outside of a municipal sewage treatment system, so that the sewage is discharged after reaching a discharge standard, and pollution of the sewage to nearby underground water and corresponding soil is reduced. The device comprises a hollow rectangular frame body 1 with an opening at the upper side, and a first annular treatment tank 2, a second annular treatment tank 3 and a third annular treatment tank 4 which are sequentially communicated along the length direction of the frame body 1, wherein aerators 5 are arranged in the first annular treatment tank 2, the second annular treatment tank 3 and the third annular treatment tank 4; a filtering tank 6 and an active carbon tank 7 are arranged on the inner wall of the frame body 1, which is positioned on the same side of the first annular treatment tank 2, the second annular treatment tank 3 and the third annular treatment tank 4 in the horizontal direction; and, filtering ponds 6 are the intercommunication setting with third annular treatment tank 4, and activated carbon tank 7 is the intercommunication setting with filtering ponds 6.
When the device is actually used, the toilet sewage is sequentially introduced into the first annular treatment tank 2, the second annular treatment tank 3 and the third annular treatment tank 4 for biological deoxidation and dephosphorization treatment; then, the sewage is discharged into a filtering tank 6, and the filtering tank 6 filters sludge, microorganisms and the like suspended in the sewage; the sewage filtered by the filter 6 is discharged into an active carbon tank 7, so that peculiar smell and pigment in the water body are removed.
Specifically, a baffle ring 21 is coaxially arranged in the first annular treatment tank 2, and the baffle ring 21 divides the inner space of the first annular treatment tank 2 into an aerobic cavity 22 and an anaerobic cavity 23 which are coaxially arranged; the upper side of the first annular treatment tank 2 is provided with a water inlet pipe 24 for communicating the sewage discharge pipe with the aerobic cavity 22 of the first annular treatment tank 2; the first annular treatment tank 2 is also provided with an overflow pipe 25, one end of the overflow pipe 25 extends into the aerobic cavity 22 of the first annular treatment tank 2, the other end of the overflow pipe 25 sequentially penetrates through the baffle ring 21 and the outer wall of the first annular treatment tank 2, then penetrates through the outer wall of the first annular treatment tank 2 again from the outer side of the first annular treatment tank 2 and extends into the anaerobic cavity 23 of the first annular treatment tank 2, and a first regulating valve 251 is arranged at the position of the overflow pipe 25, which is positioned outside the first annular treatment tank 2; meanwhile, a communicating pipe 26 is arranged on the side wall of the first annular treatment tank 2 close to the second annular treatment tank 3, the communicating pipe 26 communicates the upper part of the anaerobic cavity 23 of the first annular treatment tank 2 with the water inlet pipe 24 of the second annular treatment tank 3, and a stop valve 261 is arranged on the communicating pipe 26; the aerator 5 is installed at the middle position of the bottom of the aerobic chamber 22 of the first annular processing tank 2 and the second annular processing tank 3. The second annular processing tank 3 has the same structure as the first annular processing tank 2, the third annular processing tank 4 is a single-layer tank, and an aerator 5 in the third annular processing tank 4 is arranged at the middle position of the bottom of the third annular processing tank 4.
When in actual use, the sewage discharge pipe is communicated with the water inlet pipe 24, and the corresponding toilet sewage is discharged into the aerobic cavity 22 of the first annular treatment tank 2 through the water inlet pipe 24 for aeration treatment; and, as the sewage is continuously discharged into the aerobic chamber 22 of the first annular treatment tank 2, the upper layer sewage of the aerobic chamber 22 of the first annular treatment tank 2 is discharged into the anaerobic chamber 23 of the first annular treatment tank 2 through the overflow pipe 25, and primary anaerobic treatment is carried out in the anaerobic chamber 23 of the first annular treatment tank 2; the upper layer sewage of the anaerobic cavity 23 of the first annular treatment tank 2 is discharged into the aerobic cavity 22 of the second annular treatment tank 3 through a communicating pipe 26 for further aerobic reaction; the sewage in the aerobic cavity 22 of the second annular treatment tank 3 is discharged into the anaerobic cavity 23 of the second annular treatment tank 3 through a corresponding overflow pipe 25 for corresponding anaerobic treatment; similarly, the sewage in the anaerobic cavity 23 of the second annular processing tank 3 is discharged into the third annular processing tank 4 through the corresponding overflow pipe 25, and ammonia nitrogen substances in the sewage are further removed, so that the biochemical treatment stage of the toilet sewage is completed.
In order to conveniently discharge the sewage at the bottoms of the first annular treatment tank 2 and the second annular treatment tank 3 into the anaerobic cavities 23 of the corresponding tank bodies, connecting pipes 27 are arranged on the outer walls of the first annular treatment tank 2 and the second annular treatment tank 3, and two ends of each connecting pipe 27 are respectively communicated with the bottoms of the aerobic cavities 22 and the upper parts of the anaerobic cavities 23 of the corresponding tank bodies; any connecting pipe 27 is communicated with the overflow pipe 25 of the corresponding tank body; meanwhile, a second regulating valve 271 is arranged on any connecting pipe 27, and the second regulating valve 271 is positioned at the lower side of the connecting point of the corresponding overflow pipe 25 and the connecting pipe 27.
The upper sides of the first annular treatment tank 2, the second annular treatment tank 3 and the third annular treatment tank 4 are opened to form a circular tank opening 31, and the tank opening 31 is communicated with the aerobic cavity 22 and the anaerobic cavity 23 of the corresponding tank bodies; in addition, in order to reduce the influence of the external environment on the sewage treatment process, the baffle 32 is covered on the upper side of any tank opening 31, the edge of the baffle 32 corresponding to the end wall of the tank opening 31 is a major arc edge, and the major arc edge is fixedly connected with the end wall of the tank opening 31; the edge of the baffle 32, which is far away from the major arc edge, is a straight edge, the straight edge of the baffle 32 is arranged in parallel with any radial direction of the can opening 31, and the length dimension of the straight edge of the baffle 32 is smaller than the diameter dimension of the can opening 31. A semi-open type cover plate 33 is correspondingly arranged on one side of the tank opening 31, which is away from the baffle plate 32 in the horizontal direction, the straight edge of the semi-open type cover plate 33 is hinged with the straight edge of the baffle plate 32, and the rotating direction of the semi-open type cover plate 33 is parallel to the length direction of the straight edge of the baffle plate 32; in order to facilitate the opening and closing of the semi-open cover plate 33 by the worker, a handle 34 is installed on one side of the upper side of the semi-open cover plate 33, which is far away from the baffle plate 32.
Meanwhile, in order to clean the corresponding tank body conveniently, the lower sides of the first annular processing tank 2, the second annular processing tank 3 and the third annular processing tank 4 are provided with two slag discharge pipes 35, the two slag discharge pipes 35 are arranged on the first annular processing tank 2 and the second annular processing tank 3, the two slag discharge pipes 35 respectively extend into the aerobic cavity 22 and the anaerobic cavity 23 of the corresponding tank body, and the position of any slag discharge pipe 35, which is positioned outside the tank body, is provided with the control valve 351.
During actual operation, workers fill clear water into the aerobic cavity 22 and the anaerobic cavity 23 of the corresponding tank bodies from the tank openings 31 of the first annular treatment tank 2, the second annular treatment tank 3 and the third annular treatment tank 4, and clean the corresponding cavities; and, the cleaning sewage, sludge residue, etc. are discharged from the slag discharge pipe 35 of the corresponding cavity.
Referring to fig. 3 and 4, the filtering tank 6 is arranged corresponding to the third annular processing tank 4, a filtering membrane 61 is arranged in the filtering tank 6, and the third annular processing tank 4 is communicated with one side of the filtering tank 6, which is positioned on the upstream side of the filtering membrane 61, through a self communicating pipe 26; a water suction pump 8 is arranged on the frame body 1, and one side of the filtering tank 6, which is positioned on the back surface of the filtering membrane 61, is communicated with a water inlet of the water suction pump 8 through a water drainage pipeline 72; and the water outlet of the water suction pump 8 is communicated with the active carbon pool 7 through a water drainage pipeline 72.
After biochemical treatment, the toilet sewage is discharged into a filter tank 6 from a third annular treatment tank 4; in the filtering tank 6, under the suction action of the water suction pump 8, the sewage on the water-facing side of the filtering membrane 61 penetrates through the filtering membrane 61 and flows to the water-back side of the filtering membrane 61, so that the sludge, various microorganisms and the like suspended in the sewage are filtered; and the filtered water is introduced into the activated carbon pool 7 along the drainage pipeline 72 for further purification treatment.
The activated carbon pool 7 is arranged on one side of the filtering pool 6, which is far away from the communicating pipe 26 of the third annular processing tank 4, and an activated carbon layer 71 is horizontally laid at the bottom of the activated carbon pool 7; the end of the drainage pipe 72 facing away from the water outlet of the water pump 8 is communicated with the lower part of the activated carbon pool 7 on the activated carbon layer 71. In the sewage treatment process, sewage in the activated carbon tank 7 flows from the lower side of the activated carbon layer 71 to the upper side of the activated carbon layer 71, and when corresponding sewage flows through the activated carbon layer 71, the activated carbon layer 71 adsorbs peculiar smell and pigments in the corresponding sewage, so that the cleanliness of the sewage after the sewage treatment is further improved.
And, a circulating water pump 62 is arranged on the side of the filtering tank 6 facing the water surface of the filtering membrane 61, the circulating water pump 62 is installed at the bottom of the filtering tank 6, a water outlet of the circulating water pump 62 is communicated with a circulating pipe 621, and one end of the circulating pipe 621 departing from the circulating water pump 62 is communicated with the aerobic cavity 22 of the first annular treatment tank 2. The circulating water pump 62 is used for discharging the sewage on the upstream side of the filtering membrane 61 in the filtering tank 6 into the aerobic cavity 22 of the first annular treatment tank 2 again, so that the corresponding sewage is subjected to aerobic/anaerobic intermittent treatment again according to a corresponding biochemical reaction sequence; and the organic sludge is promoted to flow back, and the phosphorus accumulating bacteria in the returned sludge decompose the phosphorus accumulating bacteria in the water body, so that the denitrification and dephosphorization effects of the toilet sewage are promoted.
Furthermore, in order to reduce the occurrence of the condition that harmful substances in the sewage pollute soil and underground water and further improve the cleanliness of the treated sewage, a disinfection device is communicated with one side, positioned on the back surface of the filtering membrane 61, in the filtering tank 6, and a disinfection liquid medicine is injected into one side, positioned on the back surface of the filtering membrane 61, in the filtering tank 6 by the disinfection device, so that the corresponding sewage is disinfected.
In addition, after the filtering membrane 61 is used for a period of time, a large amount of sludge is usually accumulated on the water facing side of the filtering membrane 61, the sludge blocks the pores on the filtering membrane 61, the water flow is influenced, and the sewage filtering efficiency is reduced; thus, filter membrane 61 needs to be cleaned in time after a period of use. For promoting the convenience when the staff washs filtration membrane 61, support body 1 is close to suction pump 8 and is provided with backwash water pump 9, and backwash water pump 9's water inlet passes through water pipe 81 and 7 upper portions of active carbon pool intercommunication, and backwash water pump 9's delivery port passes through water pipe 81 and is located filtration membrane 61's surface of a back water one side intercommunication in the filtering ponds 6.
Similarly, the bottom of the filter tank 6 and the bottom of the active carbon tank 7 are both communicated with a slag discharge pipe 35. In actual operation, the staff discharges the sediments, sludge impurities and the like at the bottoms of the filter tank 6 and the activated carbon tank 7 from the corresponding slag discharge pipes 35.
The embodiment of the application also discloses a toilet sewage treatment process, which comprises the following steps:
s1, degrading and purifying;
s1.1, adding nano bio-sphere fillers into an aerobic cavity 22 of a first annular treatment tank 2, an aerobic cavity 22 of a second annular treatment tank 3 and an aerobic cavity 22 of a third annular treatment tank 4;
s1.2, continuously charging air into an aerobic cavity 22 of a first annular treatment tank 2, an aerobic cavity 22 of a second annular treatment tank 3 and an aerobic cavity 22 of a third annular treatment tank 4 by an aerator 5; the sewage in the aerobic cavity 22 is contacted with air for oxygenation, so that organic matters in the sewage are promoted to be contacted with oxygen, and the organic nitrogen is aminated and then nitrified; meanwhile, the sewage in the aerobic cavity 22 is stirred by the airflow provided by the aerator 5, so that the updating of the biological film on the nano biological ball is accelerated, the higher activity of the biological film is always kept, and the blocking phenomenon is reduced;
s2, denitrification:
s2.1, discharging the sewage in the aerobic cavity 22 into the anaerobic cavity 23 from the communicating pipe 26; in the anaerobic cavity 23, denitrifying bacteria use an organic carbon source in sewage as an electron donor, and nitrate replaces molecular oxygen as an electron acceptor to perform anaerobic respiration and decompose organic matters; simultaneously, reducing nitrogen in the nitrate into gaseous nitrogen, and performing denitrification treatment;
s3, filtering, refluxing and sterilizing;
s3.1, discharging the sewage in the third annular treatment tank 4 into the filter tank 6 along the communicating pipe 26; in the filtration tank 6, the sewage passes through the filtration membrane 61 from the water-facing side of the filtration membrane 61 and flows into the water-backing side of the filtration membrane 61, thereby filtering and removing sludge, microbial colonies and the like in the sewage;
s3.2, pumping sewage containing sludge and microbial colonies on the upstream side of the filter membrane 61 to the aerobic cavity 22 of the first annular treatment tank 2 by using a circulating water pump 62 to promote sludge backflow (phosphorus accumulating bacteria in backflow sludge decompose phosphorus accumulating in a water body, and phosphorus content rapidly decreases along with excessive extraction of the phosphorus accumulating bacteria along with the progress of nitration reaction);
s3.3, adding a disinfection liquid medicine into the sewage on the back surface side of the filtering membrane 61 in the filtering tank 6 by the disinfection device so as to disinfect the corresponding sewage;
s4, decoloring;
s4.1, pumping the water body filtered by the filtering membrane 61 to an activated carbon pool 7 by a water pump 8, and adsorbing pigment, peculiar smell and the like in the sewage by an activated carbon layer 71 in the activated carbon pool 7 so that the sewage on the upper layer in the activated carbon pool 7 meets the requirement of environmental protection and discharge.
The implementation principle of the sewage treatment device in the embodiment of the application is as follows: when sewage treatment is carried out, workers add nano bio-ball fillers into the aerobic cavities 22 of the first annular treatment tank 2, the second annular treatment tank 3 and the third annular treatment tank 4; toilet sewage enters the aerobic cavity 22 of the first annular treatment tank 2 through the water inlet pipe 24 and flows through the anaerobic cavity 23 of the first annular treatment tank 2, the aerobic cavity 22 of the second annular treatment tank 3, the anaerobic cavity 23 of the second annular treatment tank 3 and the third annular treatment tank 4 in sequence, and the aerator 5 continuously fills air into the aerobic cavities 22 of the first annular treatment tank 2, the second annular treatment tank 3 and the third annular treatment tank 4; meanwhile, the aerobic, anoxic and anaerobic reaction processes are sequentially carried out on the nano bio-sphere filler from outside to inside, so that the biochemical treatment process of the toilet sewage is carried out.
In the filtering tank 6, the sewage passes through a filter membrane 61 to filter substances such as sludge, microbial colonies and the like; the sewage on the upstream side of the filter membrane 61 is pumped into the aerobic cavity 22 of the first annular treatment tank 2 again through the circulating water pump 62 to promote the sludge to flow back, and phosphorus accumulating bacteria in the returned sludge decompose phosphorus accumulating in the water body; and with the progress of nitration reaction, the phosphorus content is rapidly reduced with the excessive extraction of phosphorus-accumulating bacteria, and the biological nitrogen and phosphorus removal effects in the sewage are effectively promoted. Meanwhile, the disinfection device carries out disinfection treatment on the filtered water body; in the activated carbon pool 7, the activated carbon layer 71 absorbs peculiar smell, pigment and the like in the filtered and disinfected sewage, so that the corresponding water body is discharged after reaching the dischargeable sanitary and environmental-friendly standard.
In this way, the inner spaces of the first annular treatment tank 2 and the second annular treatment tank 3 are respectively provided with an aerobic cavity 22 and an anaerobic cavity 23 which are coaxially nested, so as to replace the arrangement of completely independent aerobic tanks and anaerobic tanks; the sewage treatment device has the advantages that the occupied area of the sewage treatment device is effectively reduced under the condition of treating sewage with the same volume, the sewage treatment device meets the setting requirements of spaces with different sizes, and the application range of the sewage treatment device is widened.
In addition, the multi-stage treatment of the toilet sewage is carried out by adopting an aerobic/anaerobic intermittent mode, so that the denitrification and dephosphorization effects of the toilet sewage are effectively promoted, the cleanliness of the treated toilet sewage is greatly improved, and the situations that harmful substances in the toilet sewage pollute nearby underground water and soil and harm human health after the toilet sewage is discharged are effectively reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A toilet sewage treatment device is characterized in that: the device comprises a frame body (1) and a first annular treatment tank (2) arranged on the frame body (1), wherein a baffle ring (21) is arranged in the first annular treatment tank (2), the baffle ring (21) divides the inner space of the first annular treatment tank (2) into an aerobic cavity (22) and an anaerobic cavity (23) which are coaxially nested, the aerobic cavity (22) is positioned in the middle of the anaerobic cavity (23), an aerator (5) is arranged at the bottom of the aerobic cavity (22) in the first annular treatment tank (2), and a water inlet pipe (24) for communicating a sewage discharge pipe with the aerobic cavity (22) is arranged on the first annular treatment tank (2); an overflow pipe (25) is arranged on the baffle ring (21), and the overflow pipe (25) is communicated with the aerobic cavity (22) and the anaerobic cavity (23); a second annular treatment tank (3) is arranged on one side of the frame body (1) in the horizontal direction of the first annular treatment tank (2), a communicating pipe (26) is arranged on the upper side of the outer wall of the first annular treatment tank (2), and the communicating pipe (26) is communicated with a water inlet pipe (24) of the second annular treatment tank (3); the structure of the second annular processing tank (3) is the same as that of the first annular processing tank (2).
2. A lavatory sewage treatment plant as claimed in claim 1, wherein: the overflow pipe (25) is arranged on the upper side of the baffle ring (21), one end of the overflow pipe (25) extends into the aerobic cavity (22), the other end of the overflow pipe (25) penetrates through the outer wall of the first annular treatment tank (2), and penetrates through the outer wall of the first annular treatment tank (2) again from the outer side of the first annular treatment tank (2) and extends into the anaerobic cavity (23); and a first regulating valve (251) is arranged on the overflow pipe (25).
3. A lavatory sewage treatment plant as claimed in claim 1, wherein: a connecting pipe (27) is arranged on the outer wall of the first annular treatment tank (2), two ends of the connecting pipe (27) are respectively communicated with the bottom of the aerobic cavity (22) and the upper part of the anaerobic cavity (23), and a second regulating valve (271) is arranged on the connecting pipe (27); one end of the overflow pipe (25) departing from the aerobic cavity (22) is communicated with a pipeline of the connecting pipe (27) positioned at the upper side of the second regulating valve (271).
4. A lavatory sewage treatment plant as claimed in claim 1, wherein: a communicating pipe (26) of the second annular processing tank (3) is communicated with a third annular processing tank (4); the communicating pipe (26) of the third annular processing tank (4) is communicated with a filtering tank (6).
5. A lavatory sewage treatment plant as claimed in claim 4, wherein: a filtering membrane (61) is arranged in the filtering tank (6), a water suction pump (8) is arranged on the frame body (1), and the back water side of the filtering membrane (61) in the filtering tank (6) is communicated with a water inlet of the water suction pump (8) through a drainage pipeline (72); and a disinfection device is communicated with one side of the back water surface of the filtering membrane (61) in the filtering tank (6).
6. The lavatory sewage treatment apparatus of claim 5, wherein: a circulating water pump (62) is arranged on the upstream side of the filtering membrane (61) in the filtering tank (6), a water outlet of the circulating water pump (62) is communicated with a circulating pipe (621), and the circulating pipe (621) is communicated with the aerobic cavity (22) of the first annular treatment tank (2).
7. A lavatory sewage treatment plant as claimed in claim 5, wherein: the delivery port of suction pump (8) has active carbon pond (7) through drainage pipe (72) intercommunication, active carbon layer (71) have been laid to active carbon pond (7) direction of height's middle part position level, just drainage pipe (72) deviate from the one end and the active carbon pond (7) bottom intercommunication of suction pump (8) delivery port.
8. A lavatory sewage treatment plant as claimed in claim 1, wherein: the frame body (1) is provided with a backwashing water pump (9), a water inlet of the backwashing water pump (9) is communicated with the upper part of the activated carbon pool (7) through a water pipe (81), and a water outlet of the backwashing water pump (9) is communicated with a drainage pipeline (72) through the water pipe (81).
9. A toilet sewage treatment process is characterized in that: the method comprises the following steps:
s1, degrading and purifying, wherein in the aerobic cavity (22), aerobic bacteria take the filler as a carrier to degrade nitrogenous organic matters in the toilet sewage, and the organic nitrogen is aminated and then nitrified; meanwhile, the phosphorus content is rapidly reduced along with the excessive extraction of the phosphorus accumulating bacteria;
s2, denitrification: in the anaerobic cavity (23), denitrifying bacteria utilize organic matters and nitrate in the sewage to perform anaerobic respiration and decompose organic matters; simultaneously, reducing nitrogen in the nitrate into gaseous nitrogen;
s3, filtering, refluxing and sterilizing;
and S4, decoloring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210232724.3A CN114590962A (en) | 2022-03-09 | 2022-03-09 | Toilet sewage treatment device and treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210232724.3A CN114590962A (en) | 2022-03-09 | 2022-03-09 | Toilet sewage treatment device and treatment process |
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| CN114590962A true CN114590962A (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210232724.3A Pending CN114590962A (en) | 2022-03-09 | 2022-03-09 | Toilet sewage treatment device and treatment process |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2570263Y (en) * | 2002-09-06 | 2003-09-03 | 华南理工大学 | Anaerobic and aerobic integrated sewage treating device |
| CN102633359A (en) * | 2012-04-23 | 2012-08-15 | 中蓝连海设计研究院 | Method for treating total nitrogen of nitrogen-containing chemical wastewater |
| CN206692533U (en) * | 2017-05-03 | 2017-12-01 | 祥云县扬帆环保科技有限公司 | A kind of family apparatus for treating sewage for being inverted processing |
-
2022
- 2022-03-09 CN CN202210232724.3A patent/CN114590962A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2570263Y (en) * | 2002-09-06 | 2003-09-03 | 华南理工大学 | Anaerobic and aerobic integrated sewage treating device |
| CN102633359A (en) * | 2012-04-23 | 2012-08-15 | 中蓝连海设计研究院 | Method for treating total nitrogen of nitrogen-containing chemical wastewater |
| CN206692533U (en) * | 2017-05-03 | 2017-12-01 | 祥云县扬帆环保科技有限公司 | A kind of family apparatus for treating sewage for being inverted processing |
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