CN115259572A - Single household sewage treatment equipment and treatment process thereof - Google Patents
Single household sewage treatment equipment and treatment process thereof Download PDFInfo
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- CN115259572A CN115259572A CN202211016872.8A CN202211016872A CN115259572A CN 115259572 A CN115259572 A CN 115259572A CN 202211016872 A CN202211016872 A CN 202211016872A CN 115259572 A CN115259572 A CN 115259572A
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- 239000010865 sewage Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 238000004062 sedimentation Methods 0.000 claims abstract description 50
- 230000015556 catabolic process Effects 0.000 claims abstract description 40
- 238000006731 degradation reaction Methods 0.000 claims abstract description 40
- 230000020477 pH reduction Effects 0.000 claims abstract description 28
- 230000007062 hydrolysis Effects 0.000 claims abstract description 26
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 26
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000001301 oxygen Substances 0.000 claims abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
- 239000000945 filler Substances 0.000 claims description 18
- 238000005273 aeration Methods 0.000 claims description 13
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 7
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 6
- 101100428008 Homo sapiens UTP6 gene Proteins 0.000 claims description 6
- 241000220317 Rosa Species 0.000 claims description 6
- 102100037934 U3 small nucleolar RNA-associated protein 6 homolog Human genes 0.000 claims description 6
- 239000000460 chlorine Substances 0.000 claims description 6
- 229910052801 chlorine Inorganic materials 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 239000002351 wastewater Substances 0.000 claims description 5
- 239000010866 blackwater Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000006213 oxygenation reaction Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 230000001580 bacterial effect Effects 0.000 claims description 3
- 239000010797 grey water Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 239000013049 sediment Substances 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 230000003301 hydrolyzing effect Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 5
- 244000052616 bacterial pathogen Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005842 biochemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
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- 239000010802 sludge Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000537371 Fraxinus caroliniana Species 0.000 description 1
- 235000010891 Ptelea trifoliata Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
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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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- 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
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses single-user sewage treatment equipment and a treatment process thereof, and the equipment comprises a water collecting tank, wherein one end of the water collecting tank is connected with a hydrolysis acidification tank through a first pipeline, a first filter tank and a COD (chemical oxygen demand) online detector are installed on the first pipeline, an aerobic degradation tank is arranged beside the hydrolysis acidification tank through a second pipeline, a fourth pipeline is connected between the first pipeline and the aerobic degradation tank, one side of the aerobic degradation tank is connected with a sedimentation tank through a third pipeline, one side of the sedimentation tank is connected with a water outlet pipe, and the water outlet pipe is provided with a second filter tank and a disinfection tank.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to single-family sewage treatment equipment and a treatment process thereof.
Background
With the development of society, the drainage requirements are increasingly strict. In rural areas, the water amount is small, the water amount is scattered, the concentrated treatment and the emission cannot be realized like in cities, and the environment is deteriorated when the water is directly emitted. The surrounding environment of the village is different from the city and has a plurality of farmlands, forests, vegetable lands and the like, so that the sewage discharge requirements are mainly based on the indexes of apparent smell, chromaticity, germs and the like, and the corresponding indexes are COD, ammonia nitrogen and SS, and the beneficial effects can be provided when nutrient elements such as nitrogen and phosphorus enter the areas. Meanwhile, the discharge standard of most provincial and urban areas for small-volume sewage does not have the requirements on total nitrogen and total phosphorus; the indexes of reuse irrigation, toilet flushing and the like of some farmlands are lower in requirement.
At present, the villages and the towns adopt a pipe network to collect and then perform centralized treatment or a single-family septic tank to be matched with an artificial wetland for treatment. The initial investment of pipe network collection and the subsequent pipe network operation and maintenance cost are high, and the pipe network collection and maintenance method cannot adapt to changes such as peripheral development and transition and is only suitable for areas with high concentration degree and strict drainage requirements such as peripheral water source areas and protection areas. The treatment capacity of the wetland matched with the septic tank is low, the effluent is difficult to ensure, the chromaticity, the smell and the germs cannot be controlled, the surrounding environment can be directly influenced, and the pollution and the blockage are easy to occur. Some existing micro-processing equipment on the market is insufficient in process design, so that the equipment is large in size and high in energy consumption.
Disclosure of Invention
The invention aims to provide single-family sewage treatment equipment and a treatment process thereof, and aims to solve the problems of large equipment size and high energy consumption caused by insufficient consideration of micro treatment equipment on process design in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a single household sewage treatment device, includes the catch basin, catch basin one end has hydrolysis acidification tank through first pipe connection, install first rose box and COD on-line detector on the first pipeline, hydrolysis acidification tank side is equipped with aerobic degradation pond through the second pipeline, be connected with the fourth pipeline between first pipeline and the aerobic degradation pond, aerobic degradation pond one side has the sedimentation tank through the third pipe connection, sedimentation tank one side is connected with the outlet pipe, install second rose box and disinfection jar on the outlet pipe.
Furthermore, all install valve and water pump on first pipeline, second pipeline, third pipeline and the fourth pipeline.
Furthermore, one end of the first pipeline is communicated with the bottom of the water collecting tank through a submersible pump, and one end of the first pipeline is communicated with one side of the upper end of the hydrolysis acidification tank.
Furthermore, a first biological packing layer is arranged inside the hydrolysis acidification tank, a second biological packing layer is arranged inside the aerobic degradation tank, and aeration pipes are arranged at the bottoms inside the hydrolysis acidification tank and the aerobic degradation tank.
Furthermore, a folded plate with holes is arranged in the sedimentation tank, and one side of the bottom of the sedimentation tank is connected with a sewage discharge pipe.
Furthermore, the first filter tank is internally provided with a plurality of layers of filter screens, and the second filter tank is internally provided with filter filler.
A treatment process of single household sewage treatment equipment comprises the following steps:
s1: after being treated by a septic tank or a water collecting tank, the mixed black water ash water is lifted by a submersible pump to enter equipment, and large impurities are removed by a first filter tank;
s2: entering an MHAT area, wherein the area can select operation parameters according to the actual COD and ammonia nitrogen concentration conditions of inlet water, can freely switch between a hydrolytic acidification function and an aerobic degradation function, is implemented by adjusting a valve in a switching mode, and simultaneously performs corresponding biochemical treatment by depending on a biological membrane attached to a first biological filler layer;
s3: the sewage is converged into an aerobic degradation tank through a diversion trench, wherein an aeration pipe plays roles of aeration, oxygenation and stirring, and biochemical treatment is carried out by depending on a biological film attached to a second biological filler layer;
s4: entering a sedimentation tank, and clarifying the water quality through solid-liquid separation; finally, the wastewater is filtered and disinfected by a second filter box and a disinfection tank to achieve the standard and then is discharged; mixed liquor enters a sedimentation tank through a biochemical section, the bottom of the sedimentation tank is an inclined plane, after sewage enters the sedimentation tank, the mixed liquor with a large specific gravity can reach the other end along the inclined plane of the bottom of the sedimentation tank due to the density difference between the mixed liquor and clear water on the upper layer of the sedimentation tank, a process similar to advection sedimentation is carried out simultaneously in the process, then sediments sink, clear water is discharged from the upper layer, and the SS index of discharged water is controlled; entering a filtering filler area, and further removing SS through the adsorption and interception of the filler; aiming at the requirements of certain bacterial indexes of the reuse water, a slow-release chlorine tank is added for sterilization and disinfection, so that the residual chlorine index of the effluent is ensured.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arranged hydrolysis acidification tank, the aerobic degradation tank, the sedimentation tank and the filter box, a treatment mode combining biochemical degradation of pollutants, physical sedimentation and disinfection can be adopted, indexes such as COD, ammonia nitrogen, SS, germs and the like in the sewage can be controlled, the control on chromaticity, smell and germs in the water is preferably considered, the effluent can be recycled, flushed, discharged and the like, so that the sewage treatment efficiency is higher, the equipment size is smaller, the energy consumption is lower, and the energy conservation is facilitated.
2. According to the invention, a first filter box and a COD online detector are arranged on a first pipeline, an aerobic degradation tank is arranged beside a hydrolysis acidification tank through a second pipeline, a fourth pipeline is connected between the first pipeline and the aerobic degradation tank, the COD online detector can detect the COD content in water, when the COD of the inlet water is high, the fourth pipeline is closed, a valve at one end of the first pipeline is opened, the hydrolysis acidification function is switched to, a water body flows into the hydrolysis acidification tank, macromolecular organic matters which are difficult to degrade in sewage are hydrolyzed into micromolecules, the biochemical reaction of a rear aerobic section is facilitated, and then the water enters the aerobic degradation tank through the second pipeline for purification treatment; when the conventional COD load is carried out, the aerobic state is switched, at the moment, the fourth pipeline is opened, the valve at one end of the first pipeline is closed, the water body directly enters the aerobic degradation tank for purification treatment, the removal of COD and ammonia nitrogen can be further enhanced, and the stable removal of chroma and smell is ensured. The sewage is subjected to harmless treatment to the maximum extent, and then nutrient elements such as nitrogen, phosphorus and the like are provided for crops, so that the method can be better combined with resource utilization in rural areas.
3. In the invention, one side of the aerobic degradation tank is connected with the sedimentation tank through a third pipeline, the sedimentation tank adopts density flow sedimentation, a folded plate with holes is arranged inside the sedimentation tank, one side of the bottom of the sedimentation tank is connected with a blow-off pipe, the folded plate with holes is used for guiding flow, the water surface in the sedimentation zone is stable through density flow division, and the water outlet effect is ensured.
Drawings
The accompanying drawings, which 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 principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a general flow diagram of the present invention.
In the figure: 1. a water collecting tank; 2. a submersible pump; 3. a first filter tank; 4. a hydrolysis acidification pool; 5. a first bio-filler layer; 6. a valve; 7. a COD on-line detector; 8. an aerobic degradation tank; 9. a second bio-filler layer; 10. an aeration pipe; 11. a sedimentation tank; 12. a second filter tank; 13. a sterilizing tank; 14. a blow-off pipe; 15. folding the plate; 16. a fourth conduit; 17. a first conduit; 18. a water outlet pipe; 19. a second conduit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 and 2, in an embodiment of the present invention, a single-family sewage treatment apparatus includes a water collecting tank 1, one end of the water collecting tank 1 is connected to a hydrolysis acidification tank 4 through a first pipeline 17, the first pipeline 17 is provided with a first filter tank 3 and a COD on-line detector 7, an aerobic degradation tank 8 is provided beside the hydrolysis acidification tank 4 through a second pipeline 19, the hydrolysis acidification tank 4 and the aerobic degradation tank 8 form an MHAT region (MHAT region: multifunctional hydrolysis acidification region capable of freely switching between anaerobic environment and aerobic environment), a fourth pipeline 16 is connected between the first pipeline 17 and the aerobic degradation tank 8, one side of the aerobic degradation tank 8 is connected to a sedimentation tank 11 through a third pipeline, one side of the sedimentation tank 11 is connected to a water outlet pipe 18, the water outlet pipe 18 is provided with a second filter tank 12 and a disinfection tank 13, the hydrolysis acidification tank 4, the aerobic degradation tank 8, the sedimentation tank 11, the first filter tank 3 and the second filter tank 12 are provided, so that a treatment mode combining biochemical degradation, physical sedimentation, disinfection, and pollution discharge indexes, SS, COD, and other indexes can be controlled, odor, sewage water, bacteria, sewage discharge efficiency, and pathogen utilization efficiency can be preferentially considered, and water discharge efficiency can be high; the COD online detector 7 can detect the content of COD in water, when the COD of the inlet water is high, the fourth pipeline 16 is closed, the valve at one end of the first pipeline 17 is opened, the hydrolysis acidification function is switched, the water flows into the hydrolysis acidification tank 4, macromolecular organic matters which are difficult to degrade in the sewage are hydrolyzed into micromolecules, the biochemical reaction of a rear aerobic section is facilitated, and then the micromolecules enter the aerobic degradation tank through the second pipeline 19 for purification treatment; when the COD load is normal, the aerobic state is switched, at the moment, the fourth pipeline 16 is opened, the valve at one end of the first pipeline 17 is closed, and the water body directly enters the aerobic degradation tank 8 for purification treatment, so that removal of COD and ammonia nitrogen can be further enhanced, and stable removal of chroma and smell is ensured.
Preferably, the first pipeline 17, the second pipeline 19, the third pipeline and the fourth pipeline 16 are all provided with a valve 6 and a water pump, and the valve 6 adopts an electromagnetic valve, so that the opening and closing of each pipeline can be conveniently controlled.
Preferably, one end of the first pipeline 17 is communicated with the bottom of the water collecting tank 1 through the submersible pump 2, and one end of the first pipeline 17 is communicated with one side of the upper end of the hydrolysis acidification tank 4, so that the water body can be conveniently conveyed into the hydrolysis acidification tank 4 or the aerobic degradation tank 8.
Preferably, hydrolysis-acidification tank 4 is inside to be equipped with first biological packing layer 5, aerobic degradation tank 8 is inside to be equipped with second biological packing layer 9, aeration pipe 10 is all installed to the bottom in hydrolysis-acidification tank 4 and the aerobic degradation tank 8, micro-aeration 10 can be under the even condition of assurance aquatic dissolved oxygen requirement and quality of water, do not produce too big disturbance, when the precipitate gets into the settling zone, adopt foraminiferous folded plate to carry out the water conservancy diversion, through the current diversion of abnormal gravity, make the interior water level of settling zone steady, the guarantee effect of yielding water.
Preferably, 11 internally mounted of sedimentation tank has foraminiferous folded plate 15, 11 bottom one side of sedimentation tank is connected with blow off pipe 14, 11 sedimentation tanks adopt the abnormal gravity flow to deposit, through the abnormal gravity flow reposition of redundant personnel, it is steady to make the water level in 11 sedimentation tanks, ensure the effect of giving out water, and biological contact oxidation technique and abnormal gravity flow deposit the technique and combine together, biological contact oxidation compares in the activated sludge process, sludge output is few, the abnormal gravity flow deposits the technique and compares in the advection, other modes of deposiing such as vertical current, can promote surface load, thereby can indirectly promote equipment volume load, controlgear's size.
Preferably, first rose box 3 internally mounted has the multilayer filter screen, and second rose box 12 is inside to be equipped with to filter the filler, is convenient for carry out filtration treatment many times to the water, is favorable to improving the efficiency that the water purified.
A treatment process of single household sewage treatment equipment comprises the following steps:
s1: after being treated by a septic tank or a water collecting tank 1, the mixed black water grey water is lifted into equipment by a submersible pump 2, and large impurities are removed by a first filter tank 3;
s2: entering an MHAT area, selecting operation parameters according to the actual COD and ammonia nitrogen concentration of inlet water in the area, freely switching between a hydrolysis acidification function and an aerobic degradation function, implementing the switching mode by adjusting a valve 6, and simultaneously performing corresponding biochemical treatment by depending on a biological membrane attached to a first biological filler layer 5;
s3: the sewage is converged into an aerobic degradation tank 8 through a diversion trench, wherein an aeration pipe 10 plays roles of aeration, oxygenation and stirring, and biochemical treatment is carried out by depending on a biological film attached to a second biological filler layer 9;
s4: entering a sedimentation tank 11, and clarifying the water quality through solid-liquid separation; finally, the wastewater is filtered and disinfected by a second filter box 12 and a disinfection tank 13 for advanced treatment and then is discharged after reaching the standard; mixed liquor enters a sedimentation tank 11 through a biochemical section, the bottom of the sedimentation tank 11 is an inclined plane, after sewage enters the sedimentation tank 11, the mixed liquor with a large specific gravity can reach the other end along the inclined plane of the bottom of the sedimentation tank due to the density difference between the mixed liquor and clear water on the upper layer of the sedimentation tank 11, a process similar to advection sedimentation is carried out simultaneously in the process, then sediment sinks, clear water is discharged from the upper layer, and the SS index of discharged water is controlled; entering a filtering filler area, and further removing SS through the adsorption and interception of the filler; aiming at the requirements of certain bacterial indexes of the reuse water, a slow-release chlorine tank is added for sterilization and disinfection, so that the residual chlorine index of the effluent is ensured.
The working principle and the using process of the invention are as follows: the control end of the device is connected into a PLC control circuit or a control cabinet for gathering, the mixed black water grey water is treated by a septic tank or a water collecting tank 1 and then is lifted by a submersible pump 2 to enter the device, and large impurities are removed by a first filter tank 3; then entering an MHAT area, wherein the area can select operation parameters according to the actual COD and ammonia nitrogen concentration of inlet water, can freely switch between a hydrolysis acidification function and an aerobic degradation function, and is implemented by adjusting a valve in a switching mode, and simultaneously carries out corresponding biochemical treatment by depending on a biological film attached to a filler; the sewage is converged into a contact oxidation zone of an aerobic degradation tank 8 through a pipeline, wherein an aeration pipe plays roles of aeration, oxygenation and stirring, and meanwhile, biochemical treatment is carried out by depending on a biological film attached to a filler; then the wastewater enters an 11-density flow sedimentation area of a sedimentation tank, and the water quality is clarified through the solid-liquid separation effect; finally, the wastewater is filtered, filled and disinfected in a disinfection tank 13, and then is discharged after reaching the standard after being subjected to filtration and disinfection advanced treatment.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a single household sewage treatment device, includes catch basin (1), its characterized in that: water catch bowl (1) one end is connected with hydrolysis-acidification pool (4) through first pipeline (17), install first rose box (3) and COD on-line measuring appearance (7) on first pipeline (17), hydrolysis-acidification pool (4) side is equipped with good oxygen degradation pond (8) through second pipeline (19), be connected with fourth pipeline (16) between first pipeline (17) and good oxygen degradation pond (8), good oxygen degradation pond (8) one side has sedimentation tank (11) through third pipe connection, sedimentation tank (11) one side is connected with outlet pipe (18), install second rose box (12) and disinfection jar (13) on outlet pipe (18).
2. The single household sewage treatment apparatus according to claim 1, wherein: and the first pipeline (17), the second pipeline (19), the third pipeline and the fourth pipeline (16) are all provided with a valve (6) and a water pump.
3. The single household sewage treatment apparatus according to claim 1, wherein: first pipeline (17) one end is passed through immersible pump (2) and is communicated with the bottom of catch basin (1), first pipeline (17) one end and hydrolysis acidification pond (4) upper end one side intercommunication.
4. The single household sewage treatment device according to claim 1, wherein: a first biological packing layer (5) is arranged inside the hydrolysis acidification tank (4), a second biological packing layer (9) is arranged inside the aerobic degradation tank (8), and aeration pipes (10) are arranged at the bottom in the hydrolysis acidification tank (4) and the aerobic degradation tank (8).
5. The single household sewage treatment device according to claim 1, wherein: a folded plate (15) with holes is arranged inside the sedimentation tank (11), and a sewage discharge pipe (14) is connected to one side of the bottom of the sedimentation tank (11).
6. The single household sewage treatment device according to claim 1, wherein: the filter is characterized in that a plurality of layers of filter screens are arranged in the first filter box (3), and filter fillers are arranged in the second filter box (12).
7. The treatment process of single-family sewage treatment equipment according to claim 1, characterized in that: the method comprises the following steps:
s1: after being treated by a septic tank or a water collecting tank (1), the mixed black water grey water is lifted by a submersible pump (2) to enter equipment, and large impurities are removed by a first filter tank (3);
s2: entering an MHAT area, wherein the area can select operation parameters according to the actual COD and ammonia nitrogen concentration conditions of inlet water, can freely switch between a hydrolytic acidification function and an aerobic degradation function, is implemented by adjusting a valve (6), and simultaneously performs corresponding biochemical treatment by depending on a biological membrane attached to a first biological packing layer (5);
s3: the sewage is converged into an aerobic degradation tank (8) through a diversion trench, wherein an aeration pipe (10) plays roles of aeration, oxygenation and stirring, and meanwhile, biochemical treatment is carried out by depending on a biological film attached to a second biological filler layer (9);
s4: the water enters a sedimentation tank (11) and is clarified through the solid-liquid separation function; finally, the wastewater is filtered, disinfected and deeply treated by a second filter tank (12) and a disinfection tank (13) and then is discharged after reaching the standard; mixed liquor enters a sedimentation tank (11) through a biochemical section, the bottom of the sedimentation tank (11) is an inclined plane, after sewage enters the sedimentation tank (11), due to the density difference between the mixed liquor and clean water on the upper layer of the sedimentation tank (11), the mixed liquor with a large specific gravity can reach the other end along the inclined plane of the bottom of the sedimentation tank, a process similar to horizontal flow sedimentation is simultaneously carried out in the period, then sediments sink, the clean water is discharged from the upper layer, and the SS index of discharged water is controlled; entering a filtering filler area, and further removing SS through the adsorption and interception of the filler; aiming at certain bacterial index requirements of the reuse water, a slow-release chlorine tank is added for sterilization and disinfection, and the residual chlorine index of the effluent is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211016872.8A CN115259572A (en) | 2022-08-24 | 2022-08-24 | Single household sewage treatment equipment and treatment process thereof |
Applications Claiming Priority (1)
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