CN219885852U - Rural household sewage treatment equipment - Google Patents
Rural household sewage treatment equipment Download PDFInfo
- Publication number
- CN219885852U CN219885852U CN202320554015.7U CN202320554015U CN219885852U CN 219885852 U CN219885852 U CN 219885852U CN 202320554015 U CN202320554015 U CN 202320554015U CN 219885852 U CN219885852 U CN 219885852U
- Authority
- CN
- China
- Prior art keywords
- unit
- septic
- area
- treatment
- sewage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000004062 sedimentation Methods 0.000 claims abstract description 25
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 15
- 238000004064 recycling Methods 0.000 claims abstract description 10
- 239000000945 filler Substances 0.000 claims description 23
- 238000005273 aeration Methods 0.000 claims description 15
- 239000002893 slag Substances 0.000 claims description 11
- 230000029087 digestion Effects 0.000 claims description 4
- 210000003608 fece Anatomy 0.000 claims description 4
- 239000010871 livestock manure Substances 0.000 claims description 4
- 238000005352 clarification Methods 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000010992 reflux Methods 0.000 description 8
- 239000010802 sludge Substances 0.000 description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000001546 nitrifying effect Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007227 biological adhesion Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model relates to the field of sewage treatment equipment, in particular to rural household sewage treatment equipment. The equipment comprises a septic area, a sewage biochemical treatment area, a sedimentation area and a reclaimed water recycling area which are sequentially communicated, wherein the septic area comprises a first septic unit and a second septic unit; the sewage biochemical treatment area comprises an anoxic treatment unit and an aerobic treatment unit; the upper ends of the front section and the rear section of the sedimentation zone are respectively provided with an electrochemical dephosphorization module and a disinfection module. The device is integrated equipment, is efficient and practical, has the functions of septic and sewage biochemical treatment, and can effectively remove suspended matters and soluble pollutants in rural sewage.
Description
Technical Field
The utility model relates to the field of sewage treatment equipment, in particular to rural household sewage treatment equipment.
Background
At present, low-cost small and medium-sized sewage treatment equipment is used for treating rural domestic sewage, and is an effective mode. The inside of the equipment adopts a biomembrane treatment method, takes the filler as a carrier of microorganisms, and has the advantages of high biomass, high activated sludge load rate, strong impact load resistance, capability of effectively placing sludge expansion and the like. However, this process still has some disadvantages, such as: 1) A septic tank needs to be additionally built; 2) The energy consumption is high, and the energy consumption equipment is high; 3) The treatment function is incomplete, the effluent standard cannot be met, and most of the treatment devices have no independent sludge reflux system and do not have a dephosphorization function, so that the treatment effect of the treatment devices is reduced to a great extent.
Disclosure of Invention
The utility model aims to provide rural household-level sewage treatment equipment so as to solve the problems of the prior art of rural decentralized domestic sewage, thereby enabling rural domestic sewage treatment of a population decentralized and unsuitable for laying a pipe network area to be more efficient.
The rural household-level sewage treatment equipment comprises a septic area, a sewage biochemical treatment area, a sedimentation area and a reclaimed water recycling area which are sequentially communicated, wherein,
the septic area comprises a first septic unit and a second septic unit;
the sewage biochemical treatment area comprises an anoxic treatment unit and an aerobic treatment unit;
the upper ends of the front section and the rear section of the sedimentation zone are respectively provided with an electrochemical dephosphorization module and a disinfection module;
the first septic unit is mainly used for isolating manure residues and scum and providing conditions for anaerobic digestion of solid pollutants, and the lower part of the first septic unit is provided with a basket grid slag frame, so that the manure residues and the scum are conveniently cleaned regularly, and the manure pumping cost in the later operation and maintenance can be saved or reduced; sewage enters the second septic unit through a gap at the lower part of the two-stage septic unit partition board, and the main function of the second septic unit is further anaerobic digestion and clarification, and supernatant flows into the next unit through the upper water passing hole.
The rural household-level sewage treatment equipment is provided with a main aeration pipe and two branch gas stripping pipes, wherein the main aeration pipe downwards provides an aeration gas source through a tee joint at the upper part of the aerobic treatment unit, and the tee joint is arranged at the upper part of the sedimentation zone and is divided into two pipelines for respectively providing gas sources for the two gas stripping. The aeration and the stripping reflux are controlled by three valves, and the air source is provided by an external air pump.
The rural household-level sewage treatment equipment disclosed by the utility model is characterized in that the aerobic treatment unit is provided with a set of aeration pipes, and the bottom of the aerobic treatment unit adopts a character-rich aeration branch pipe to realize uniform aeration.
The rural household-level sewage treatment equipment provided by the utility model is characterized in that the two sides of the anoxic treatment unit and the aerobic treatment unit are provided with diversion trenches.
According to the rural household-level sewage treatment equipment provided by the utility model, the anaerobic treatment unit is internally provided with the three-dimensional biological suspended filler, wherein the three-dimensional biological suspended filler comprises one or more of suspended ball filler and pall ring honeycomb floating ball filler, the aerobic unit is provided with the porous rotary spherical biological suspended filler, the spherical biological suspended filler is divided into an inner layer and an outer layer, the outer layer is a spherical net-shaped shell, and the inner side is filled with soft filler comprising one or more of common sponge, polyurethane sponge and elastic filler. The two fillers have strong biological adhesion, large specific surface area, high porosity and good chemical and biological stability.
According to the rural household-level sewage treatment equipment, the middle lower part of the aerobic treatment unit is separated into a filler area by a grid, and porous rotary spherical biological suspended filler is placed.
According to the rural household-level sewage treatment equipment provided by the utility model, the electrochemical dephosphorization module adopts the metal electrode, the iron plate, the aluminum plate, the white titanium mesh plate and the like are used as the electrode, the electrode is fixed through the supporting plates at the two sides of the diversion trench of the precipitation area, the electrode is semi-immersed, and the electrochemical reaction is used for dephosphorizing power supply, so that the electrochemical reaction is provided by the external distribution box.
According to the rural household-level sewage treatment equipment disclosed by the utility model, the inclined plate is arranged at the bottom of the sedimentation tank, and the two parallel air stripping return pipes are arranged, so that the reflux of nitrifying liquid and sludge is realized, the hydraulic load is improved, the proper updating speed of a biological film is maintained, and the excessive sedimentation of sludge is effectively avoided.
According to the rural household-level sewage treatment equipment disclosed by the utility model, the bottom of the disinfection module is provided with the air stripping reflux pipe, the reflux intensity is controlled by the control valve, the disinfection module is a disinfection tank, the disinfection tank is arranged at the upper part of the rear section of the sedimentation zone, a vertical cylindrical design is adopted, the bottom is provided with holes, a cylindrical chlorine sheet is adopted as disinfectant, the lower disinfectant is partially immersed in water, the contact disinfection function is realized, the disinfected supernatant flows into the reclaimed water recycling zone, and the chlorine sheet is filled periodically according to consumption conditions.
The method for sewage treatment by using the equipment of the utility model comprises the following steps: sewage firstly flows into a water inlet of the sewage treatment equipment, is pretreated by a two-stage septic unit, and then flows through a biochemical treatment area to be subjected to anoxic/aerobic biochemical treatment in sequence; then enters the sedimentation tank, sequentially passes through the electrochemical dephosphorization module at the front end of the sedimentation zone, the sedimentation unit at the middle end of the sedimentation zone and the disinfection module at the tail end of the sedimentation zone, wherein the middle end of the sedimentation zone can realize sludge reflux, and the sludge returns to the front end of the anoxic unit of the biochemical treatment unit. Finally, the water flows into a reclaimed water recycling area, and the water is discharged stably and up to the standard.
The utility model has the beneficial effects that:
1. the device is integrated equipment, is efficient and practical, has the functions of septic and sewage biochemical treatment, and can effectively remove suspended matters and soluble pollutants in rural sewage.
2. The basket grid slag frame can efficiently remove sediment and scum in sewage, and the arrangement of the basket grid slag frame is convenient for the manual cleaning of later-stage grid slag, so that the operation and maintenance cost is saved.
3. The air stripping reflux reduces the energy consumption, adopts the air stripping reflux mode, does not need to additionally arrange a submersible sewage pump, can reduce the cost, and is economical and practical.
4. The electrochemical dephosphorization module removes total phosphorus, and the small-sized modularized electrochemical dephosphorization has small space and can ensure that the total phosphorus of the effluent is discharged stably and up to the standard.
5. The tail end of the equipment is provided with a reclaimed water recycling area, so that the effluent can be effectively utilized and recycled for greening irrigation, agricultural irrigation, road flushing and the like of villages and citizens, thereby achieving the purpose of saving water.
Drawings
FIG. 1 is a schematic diagram of a rural household-level sewage treatment facility of the present utility model;
FIG. 2 is a schematic cross-sectional view of a rural household-level wastewater treatment facility of the present utility model;
reference numerals
1: a water inlet pipe; 2: a water outlet pipe; 3: a water passing hole; 4: basket grid slag frame; 5: a diversion trench; 6: a return pipe; 7: a valve; 8: a three-dimensional hollow suspended filler; 9: porous rotary spherical biological suspended filler; 10: an aeration pipe; 11: an electrochemical dephosphorization module; 12: a sterilization tank; 13: a sloping plate; 14: a miniature submersible pump; 15: a well cover; i: a septic area; II: an anoxic treatment unit; III: an aerobic treatment unit; IV: a precipitation zone; v: reclaimed water recycling area
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings and examples, but embodiments of the present utility model are not limited thereto. As shown in fig. 1, the rural household-level sewage treatment equipment is sequentially provided with a septic area I, a sewage biochemical treatment area, a sedimentation area IV and a reclaimed water recycling area V, wherein the septic area is provided with two stages of septic units, namely a first septic unit and a second septic unit, and the sewage biochemical treatment area comprises an anoxic treatment unit II and an aerobic treatment unit III. Rural domestic sewage is through two-stage septic unit interception bars sediment and excrement and urine, gets into get rid of COD and ammonia nitrogen behind the sewage biochemical treatment district to through nitrifying liquid backward flow realization TN's removal, rethread sedimentation zone IV, sedimentation zone IV's anterior segment upper end sets up electrochemical dephosphorization module 11 and realizes the removal of TP, and disinfection jar 12 is placed to the back end upper end, mainly realizes disinfecting through throwing the chlorine flake, removes the escherichia coli in the water, finally ensures that the play water is stable to reach the standard and discharges to set up reuse of reclaimed water district V in the end, realize reuse of reclaimed water.
In the specific implementation process of the utility model, the septic tank is divided into a first septic unit and a second septic unit, wherein the first septic unit is provided with a basket grid slag frame 4, and the grid slag can be treated regularly through the basket grid slag frame 4. Sewage enters from the water inlet pipe 1, is trapped by the grid slag frame, enters the second septic unit through a gap at the lower part of the baffle plate of the two-stage septic unit, is further subjected to anaerobic digestion and clarification, and the supernatant flows into the next unit through the upper water passing hole 3. The anaerobic treatment unit II is characterized in that diversion trenches 5 are arranged on two sides of the anaerobic treatment unit II and are communicated with the septic area and the aerobic treatment unit III, a filler area is separated from the middle lower part of the area by a grid, a three-dimensional hollow suspended filler 8 is placed, and microorganisms are attached to the three-dimensional hollow suspended filler 8 to realize microbial film formation. The two sides of the aerobic treatment unit III are also provided with diversion trenches 5 which are communicated with the anoxic treatment unit II and the sedimentation zone, one side of the sedimentation zone is mainly communicated with round holes on two sides of a partition board, the middle lower part of the aerobic treatment unit III is also separated from a filling zone by a grid, a porous rotary spherical biological suspended filling 9 is placed, the aerobic environment is controlled by an aeration pipe 10, the aeration pipe penetrates through the filling zone, aeration is carried out at the bottom of the aerobic treatment unit, and the distance between an aeration head and the bottom of the equipment is 5-8cm. The upper end of the front section of the precipitation zone IV is provided with an electrochemical dephosphorization module 11, and an iron sheet electrode is utilized to convert 220V voltage into required voltage by adopting a transformer for electrolysis of a double-iron electrode; the upper end of the rear section of the sedimentation zone IV is provided with a disinfection tank 12, chlorine tablets are arranged in the tank body, and the bottom is provided with holes; the lower side of the whole sedimentation area is provided with three sides of the sloping plate 13, and two return pipes 6 are arranged, so that the smooth return of nitrified liquid and sludge is ensured. The reclaimed water recycling area V comprises a miniature submersible pump 14 and a recycling pipeline. The well lid 15 is normally kept closed. The treated sewage is discharged from the water outlet pipe 2.
The domestic sewage of farmers in villages in south China is used as a treatment object, and the water quality of the domestic sewage of the farmers is: NH (NH) 3 -N is 25-40 mg/L; TN is 30-50 mg/L; COD is 150-600 mg/L; TP is 3-8 mg/L. The design size of the equipment is 2.0m x 0.8m x 1.5m, the equipment is made of glass fiber reinforced plastic, and the treatment scale is 0.5 ton/d. In the embodiment, the basket grid slag frame is in a grid shape; the filler in the anoxic biochemical treatment area is pall ring honeycomb floating ball filler, the filler in the aerobic biochemical treatment area is porous rotary spherical biological suspension filler, and polyurethane sponge is arranged inside the filler; the electrochemical dephosphorization module selects an iron sheet electrode, and adopts a transformer to convert 220V voltage so as to electrolyze the double-iron electrode; chlorine tablets are placed in the sterilizing tank body.
Purified water treated by the system is checked: NH (NH) 3 -N is 0.8-6 mg/L; TN is 5-20 mg/L; COD is 30-50 mg/L; TP is 0.35-0.9 mg/L.
All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Claims (9)
1. A rural household-level sewage treatment device is characterized by comprising a septic area, a sewage biochemical treatment area, a sedimentation area and a reclaimed water recycling area which are sequentially communicated, wherein,
the septic area comprises a first septic unit and a second septic unit, the first septic unit is used for isolating manure residues and scum, a basket grid slag frame is arranged at the lower part of the first septic unit, and the second septic unit is used for further anaerobic digestion and sewage clarification;
the sewage biochemical treatment area comprises an anoxic treatment unit and an aerobic treatment unit;
the upper ends of the front section and the rear section of the sedimentation zone are respectively provided with an electrochemical dephosphorization module and a disinfection module.
2. The rural household-level sewage treatment equipment according to claim 1, wherein the equipment is provided with a total aeration pipe and two branch gas stripping pipes, the total aeration pipe is downwards provided with an aeration gas source through a tee joint at the upper part of the aerobic treatment unit, the tee joint is arranged at the upper part of the sedimentation area and is divided into two pipelines, and gas sources are respectively provided for the two gas stripping pipes.
3. The rural household-level sewage treatment device according to claim 1, wherein diversion trenches are arranged on two sides of the anoxic treatment unit and the aerobic treatment unit.
4. The rural household-level sewage treatment apparatus according to claim 1, wherein a solid biological suspended filler is placed in the anoxic treatment unit.
5. The rural household-level sewage treatment apparatus according to claim 1, wherein the middle lower part of the aerobic treatment unit is partitioned into a filling area by a grid, and porous rotary spherical biological suspended filling is placed.
6. The rural household-level wastewater treatment facility of claim 1, wherein the electrochemical dephosphorization module employs a metal electrode.
7. The rural household-level sewage treatment device according to claim 1, wherein the bottom of the sedimentation zone is provided with an inclined plate, and two parallel air stripping return pipes are arranged.
8. The rural household-level sewage treatment apparatus according to claim 1, wherein the bottom of the disinfection module is introduced with a gas stripping return pipe, and the return flow intensity is controlled by a control valve.
9. The rural household-level wastewater treatment facility of claim 1 wherein the disinfection module is a disinfection tank with a bottom opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320554015.7U CN219885852U (en) | 2023-03-21 | 2023-03-21 | Rural household sewage treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320554015.7U CN219885852U (en) | 2023-03-21 | 2023-03-21 | Rural household sewage treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219885852U true CN219885852U (en) | 2023-10-24 |
Family
ID=88410714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320554015.7U Active CN219885852U (en) | 2023-03-21 | 2023-03-21 | Rural household sewage treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219885852U (en) |
-
2023
- 2023-03-21 CN CN202320554015.7U patent/CN219885852U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101759323B (en) | Treatment combined process for pig farm waste water with high nitrogen content | |
| CN102775025B (en) | Municipal life wastewater treatment system with high efficiency and low energy consumption | |
| CN100545110C (en) | Dispose of sewage or the micro-polluted raw packaging stage-type film bioreactor device | |
| CN105502825A (en) | Integrated domestic sewage treatment equipment and treatment method | |
| CN101786770B (en) | Oligodynamic moving bed sanitary sewage disposal system | |
| CN102351378A (en) | Method and system for processing rural sewage in artificial wetlands | |
| CN206486407U (en) | A kind of livestock breeding wastewater processing system | |
| CN110078319B (en) | Rural distributed micro-power ecological sewage treatment device and sewage treatment system comprising same | |
| CN209292178U (en) | A kind of Sewage Disposal suitable for biological industry garden the dirty water decontamination handles | |
| CN110117134A (en) | A kind of rural domestic sewage treatment process | |
| CN211035607U (en) | Distributed domestic sewage treatment and reuse system | |
| CN101885553B (en) | Fixed reproductive microorganism sewage purifying and treating method and device | |
| CN110183032A (en) | A kind of livestock breeding wastewater recycling treatment system | |
| CN206828325U (en) | Septic tank+A20 processing units | |
| CN210559933U (en) | Rural sewage treatment device of integration | |
| CN210085200U (en) | Solar energy integration sewage treatment device | |
| CN219885852U (en) | Rural household sewage treatment equipment | |
| CN208933187U (en) | A kind of integration distributing high-efficiency wastewater treatment system | |
| CN116282639A (en) | Multi-medium membrane mud symbiotic sewage purification process system and equipment | |
| CN102001768B (en) | Integrated low-energy consumption sewage treatment device and method | |
| CN204490684U (en) | A kind of integrated sewage treating apparatus | |
| CN113651497A (en) | Combined rural domestic sewage treatment method and device | |
| CN106946354B (en) | Septic tank sewage end treatment device | |
| CN206970417U (en) | Thermopnore clarifier | |
| CN113233702B (en) | Combined domestic sewage treatment method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |