CN210711166U - Villages and towns sewage treatment plant - Google Patents
Villages and towns sewage treatment plant Download PDFInfo
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- CN210711166U CN210711166U CN201921451093.4U CN201921451093U CN210711166U CN 210711166 U CN210711166 U CN 210711166U CN 201921451093 U CN201921451093 U CN 201921451093U CN 210711166 U CN210711166 U CN 210711166U
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- 239000010865 sewage Substances 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 241000894006 Bacteria Species 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 238000004062 sedimentation Methods 0.000 claims abstract description 10
- 206010021143 Hypoxia Diseases 0.000 claims abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 6
- 239000001301 oxygen Substances 0.000 claims abstract description 6
- 239000000945 filler Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 22
- 239000012528 membrane Substances 0.000 claims description 19
- 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
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 238000000108 ultra-filtration Methods 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 10
- 238000005273 aeration Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 8
- 239000004743 Polypropylene Substances 0.000 claims description 7
- -1 polypropylene Polymers 0.000 claims description 4
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 241000588724 Escherichia coli Species 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000011001 backwashing Methods 0.000 description 16
- 239000002245 particle Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- 238000011010 flushing procedure Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000004659 sterilization and disinfection Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 238000010992 reflux Methods 0.000 description 3
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 241000108664 Nitrobacteria Species 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 229920001634 Copolyester Polymers 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 1
- 229940005605 valeric acid Drugs 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model belongs to the technical field of sewage treatment, concretely relates to villages and towns sewage treatment plant, including consecutive anaerobism pond, oxygen deficiency pond, good oxygen pond, sedimentation tank, quick filtering pond, middle elevator pump pond, filter and bacteria removing device, all be equipped with back flush channel between middle elevator pump pond and quick filtering pond, filter, the bacteria removing device, be equipped with sewage inlet on the anaerobism pond, be equipped with up to standard water outlet on the bacteria removing device. The beneficial effects of the utility model are that: through the utility model discloses the device is handled the back to villages and towns domestic sewage, and it can be stably better than one-level A emission standard to go out water, and whole set of device is to COD, NH3The removal efficiencies of-N, TN, TP and Escherichia coli are respectively 92.5%, 98%, 85%, 90% and 100%, and the total hydraulic retention time is designed to be 8.0 h. The removal rates of the conventional process are respectively 90%, 96%, 72%, 83% and 99.9%, and the total hydraulic retention time is designed to be 12 h.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, concretely relates to villages and towns sewage treatment plant.
Background
With the progress of beautiful country construction and the proposal of a country joy strategy, rural economy develops rapidly, the living standard of farmers improves rapidly, but the development of the rural economy brings environmental pollution, wherein the water environment pollution is particularly serious. Untreated domestic sewage is discharged at will, so that the water quality of ditches and ponds blackens and becomes smelly, mosquitoes breed, the rural living environment is affected, the physical health of residents is threatened, and meanwhile, the pollution of drinking water sources and the eutrophication of lakes and reservoirs can be caused. Aiming at the characteristics of small water quantity, dispersed discharge, imperfect collection system and the like of rural sewage, the development of a small-sized integrated sewage treatment device is not slow.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a sewage treatment device for villages and towns, which can effectively treat domestic sewage of villages and towns.
The utility model provides a following technical scheme:
the utility model provides a villages and towns sewage treatment plant, includes consecutive anaerobism pond, oxygen deficiency pond, good oxygen pond, sedimentation tank, rapid filter, middle elevator pump pond, filter, bacteria removing device and clean water basin, all be equipped with back flush channel between middle elevator pump pond and rapid filter, the filter, be equipped with back flush channel between clean water basin and the bacteria removing device, be equipped with sewage inlet on the anaerobism pond, be equipped with up to standard water outlet on the clean water basin.
Preferably, all be equipped with agitating unit and the fixed filler of denitrogenation in anaerobism pond, oxygen deficiency pond, the aerobic tank, agitating unit includes the stirring rake, the blade setting of stirring rake is in the fixed filler below of denitrogenation, the fixed filler of denitrogenation.
Preferably, a filter material layer used for removing solid suspended matters in sewage is arranged in the rapid filter, the filter material layer is composed of a filter material made of PP materials, the sphericity of the filter material is at least 0.9, the diameter of the filter material is 3-4mm, and the thickness of the filter material layer is 0.8-1 m.
Preferably, the filter is a filter cloth filter, wherein the pore size of the filter cloth is 210 um.
Preferably, an ultrafiltration membrane which is made of polyvinylidene fluoride and used for filtering bacteria in the sewage is arranged in the sterilizing device, and the aperture of the ultrafiltration membrane is 0.03 um.
Preferably, the sewage treatment device further comprises a PLC control unit and a phosphorus removing agent adding unit for adding a phosphorus removing agent into the sedimentation tank, a total phosphorus analyzer is arranged in the middle lift pump tank, and the PLC control unit is electrically connected with the total phosphorus analyzer and the phosphorus removing agent adding unit respectively.
Preferably, the sewage treatment device further comprises a degerming agent adding unit for adding a degerming agent into the degerming device, and the aerobic tank is further provided with an aeration disc and a blowing unit for adjusting aeration quantity of the aeration disc.
The utility model has the advantages that:
1. the utility model discloses fixed filler of installation denitrogenation in anaerobism pond, oxygen deficiency pond and the good oxygen pond, the filler has better hydrophilicity and parent microorganism nature, easily hangs the membrane, is that ordinary filler hangs 6-7 times of membrane volume, and microbial concentration is higher, and specific surface area is big, and filler specific surface area > 0.5m2The film forming speed is high, and the film forming time is not more than 72 hours on the premise of nitrifying bacteria. The outer layer of the filler is aerobic bacteria, the middle layer is anoxic bacteria, and the inner layer is anaerobic bacteria, thus forming microcosmic A2the/O process has short-range and synchronous nitrification and denitrification, can reduce the addition of carbon source, reduce reflux ratio, save operating cost and has higher denitrification efficiency. The large specific surface area effectively reduces the biochemical retention time, the retention time of the anaerobic tank is 1.0h, and the occupied area is also reduced. The ammonia nitrogen load of the denitrification fixed filler can reach 0.5kgNH3-N/m3D, TN loading up to 0.6kgTN/m3D (conventional ammonia nitrogen load of 0.1 kgNH)3-N/m3D, TN load of not more than 0.2kg/m3D). The utility model discloses fixed filler of denitrogenation not only the denitrogenation effect is obvious, also is showing very much the effect of getting rid of COD, and the facultative microorganism on the filler can be held backThe organic substances are hydrolyzed into soluble substances, and macromolecular substances which are difficult to biodegrade are converted into substances which are easy to biodegrade.
Wherein the retention time of the sewage in the anaerobic tank, the anoxic tank and the aerobic tank is 1.0h, 3.0h and 4.0h respectively, and the total denitrification efficiency is 85 percent. The retention time is 1.7h, 4.5h and 5.8h respectively by the conventional design, and the denitrification efficiency is 73 percent.
2. Adopt vertical mixer to carry out muddy water stirring in anaerobism pond and the oxygen deficiency pond and mix, stirring paddle leaf is located the filler below, can fully drive pond lower part mud during the stirring, makes muddy water intensive mixing, and stirring speed is fast, and the mixed effect is better. The paddle is positioned below the filler, and the grid of the filler is arranged, so that the splashing or vortex of muddy water can not be caused at a higher stirring speed, the air is prevented from being brought in during stirring, the dissolved oxygen in an anoxic zone can be stably controlled to be below 0.3mg/L, the consumption of a carbon source is reduced, and the whole system has a good nitrogen and phosphorus removal effect.
3. The rapid filter tank adopts filter materials made of PP materials, and the filtering speed is high and can reach 16 m/h; the filter effect is good, the solid suspended substances in the sewage can be well removed, and the concentration of the solid suspended substances in the effluent can be stably kept below 8 mg/L. The rapid filter tank is backwashed once every 12 hours, or the backwashing is started when the liquid level difference reaches a set value. During backwashing, air washing is firstly carried out for 4min, then air-water combined washing is carried out for 4min, and then water washing is carried out for 2min, so that the whole process can be automatically controlled.
4. The filter is a high-efficiency filter cloth filtering system, the aperture of the filter cloth of the core component is 210um, and the solid suspended substance of the filtered effluent can be stabilized below 1 mg/L; when the filter operates, the back flushing is carried out simultaneously, namely when the liquid level difference between the front and the back of the filter cloth reaches the set value of the system, the back flushing is started.
5. The sterilization device consists of an ultrafiltration membrane with the filtering aperture of 0.03um, can effectively intercept escherichia coli in sewage, has the removal efficiency of the escherichia coli up to 100 percent, and has high-efficiency sterilization efficiency. The device adopts a pressure type filtering system to realize the automation of filtering and backwashing. In the process of ultrafiltration, separated pollutants can be accumulated on the surface of the membrane, and in order to improve the water production efficiency to the maximum extent, ultrafiltration water production or water with the water quality better than the same water quality needs to be periodically used for backwashing the system. The ultrafiltration produced water reversely permeates the ultrafiltration membrane filaments under the action of the backwashing pump and is then discharged out of the system. The air scrubbing is carried out before the backwashing, so that a better cleaning effect can be achieved. The oil-free compressed air bubbles on the outer surface of the membrane wire to cause violent vibration of the membrane wire, so that particles adhered to the surface of the membrane wire are loosened, and the subsequent water backwashing process is facilitated to wash the particles clean. And after the backwashing process is finished, the membrane is positively washed by using inlet water. The ultrafiltration membrane component needs backwashing according to a set program at a preset time interval, the backwashing is carried out once every 60min, and during the backwashing, air washing is carried out for 1min, then air-water combined washing is carried out for 2min, and then water washing is carried out for 1 min. And (3) carrying out disinfection while washing, namely, carrying out linkage control on washing and disinfection, starting acid chemical enhanced backwashing every 8 times of the complete conventional filtration process, and starting the alkali chemical enhanced backwashing once after accumulating 2 times of the acid chemical enhanced backwashing and finishing 8 times of the complete conventional filtration process. And then, counting and clearing, and circularly operating.
6. A phosphorus removing agent adding unit: and arranging a total phosphorus analyzer in the middle lifting pump pool, feeding the numerical value back to the PLC when the effluent TP exceeds the discharge limit value, controlling the phosphorus removing agent dosing pump to be automatically started by the PLC, dosing the phosphorus removing agent to the inlet of the sedimentation tank, and stopping the dosing pump when the effluent TP reaches the discharge limit value. A degerming agent adding unit: and (3) dosing is carried out according to the set time of the system and the liquid level difference of the ultrafiltration membrane, and when the set time of the system is reached or a certain liquid level difference is reached (before the liquid level difference of the backwashing is not reached), dosing sterilization is carried out before each backwashing.
7. Through the utility model discloses the device is handled the back to villages and towns domestic sewage, and it can be stably better than one-level A emission standard to go out water, and whole set of device is to COD, NH3The removal efficiencies of-N, TN, TP and Escherichia coli are respectively 92.5%, 98%, 85%, 90% and 100%, and the total hydraulic retention time is designed to be 8.0 h. The removal rates of the conventional process are respectively 90%, 96%, 72%, 83% and 99.9%, and the total hydraulic retention time is designed to be 12 h.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The sewage treatment device of the utility model mainly comprises an anaerobic tank, an anoxic tank, an aerobic tank, a sedimentation tank, a rapid filter tank, a middle lift pump tank, a filter and a bacteria removing device, which are explained in turn.
First, anaerobic pond
The anaerobic tank is provided with a sewage inlet, and the main function of the anaerobic tank is to release phosphorus and remove partial organic matters. Be equipped with agitating unit and the fixed filler of denitrogenation in the anaerobism pond, agitating unit includes the stirring rake, and the blade setting of stirring rake is in the fixed filler below of denitrogenation, mixes effectually and avoids increasing dissolved oxygen concentration, ensures to reach fine nitrogen and phosphorus removal effect. The denitrification fixing filler comprises, by weight, 60-70 parts of polyhydroxybutyrate-hydroxyvalerate particles, 5-10 parts of nitrobacteria, 5-10 parts of denitrifying bacteria, 20-30 parts of polymeric ferric sulfate particles, 20-30 parts of polyethylene particles and 10-20 parts of ABS particles, so that the surface area of the filler is greatly increased, the biomass per unit volume is increased, the concentration of sludge in a reactor is greatly increased, the biochemical treatment efficiency is improved, the denitrification efficiency of high-concentration nitrogen-containing wastewater is greatly improved, the denitrification efficiency can reach 80%, and the hydraulic retention time of an anaerobic tank is 1.0 h.
Second, anoxic pond
The main function of the anoxic tank is denitrification, nitrate nitrogen flows back to the anoxic tank from the aerobic tank through internal reflux, the amount of circulating mixed liquid is large, and the reflux ratio is 200%. The anoxic tank is provided with a stirring device and a denitrification fixing filler, the stirring device comprises a stirring paddle, blades of the stirring paddle are arranged below the denitrification fixing filler, and the denitrification fixing filler comprises, by weight, 60-70 parts of polyhydroxy butyric acid and valeric acid copolyester particles, 5-10 parts of nitrobacteria, 5-10 parts of denitrifying bacteria, 20-30 parts of polymeric ferric sulfate particles, 20-30 parts of polyethylene particles and 10-20 parts of ABS particles.
Third, aerobic tank
The aerobic tank, the reaction unit, is multifunctional, and BOD removal, nitrification, phosphorus absorption and the like are all carried out at the aerobic tank. The aerobic tank is provided with a stirring device and a denitrification fixing filler, the stirring device comprises a stirring paddle, blades of the stirring paddle are arranged below the denitrification fixing filler, and the aerobic tank is also provided with an aeration disc and a blast unit for adjusting the aeration amount of the aeration disc.
Fourthly, sedimentation tank
The swash plate of installation PP material in the sedimentation tank sets up in sedimentation tank middle part position, can effectively improve surface load, and rivers also become the laminar flow from the turbulent flow, have improved precipitation efficiency, and play water suspended solid concentration can stably reach below 10 mg/L.
Five, quick filter tank
The rapid filter is internally provided with a filter material layer for removing solid suspended matters in sewage, the filter material layer is composed of a filter material made of PP (polypropylene), the sphericity of the filter material is at least 0.9, the diameter of the filter material is 3-4mm, and the thickness of the filter material layer is 0.8-1 m. The upper part of the filter is provided with a stainless steel intercepting device, and the lower part of the filter is provided with an even water distribution system. The high-filtering-material filtering speed is high, and the filtering effect is good. During filtering, valves of the water inlet and clear water branch pipes of the filter tank are opened, raw water passes through the filter material layer from top to bottom, is collected by the water distribution branch pipe of the water distribution system, and finally enters the middle lift pump tank through the water distribution main pipe, the clear water branch pipe and the main pipe. When the effluent quality does not meet the requirement or the filter layer head loss reaches the maximum value, the filter material needs a back flushing channel for back flushing.
Six, middle lift pump pool
Back flushing channels are arranged among the middle lifting pump pool, the rapid filter pool, the filter and the degerming device and are used for back flushing the rapid filter pool, the filter and the degerming device.
Seven, the filter
The filter adopts a filter cloth type filter, the aperture of the filter cloth is 210um, and the filter cloth and the back flush are in linkage operation to further remove solid suspended substances.
Eighth, degerming device
The degerming device is an ultrafiltration membrane made of polyvinylidene fluoride material, and the membrane area is 50m2The inner diameter and the outer diameter of the membrane filaments are respectively 0.5 mm and 1.1mm, the running flux is 50LMH, the domestic sewage mainly contains escherichia coli, and the ultrafiltration membrane passes throughThe filter pore diameter is 0.03um, and the removal efficiency of the escherichia coli can reach 100%.
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 in the foregoing embodiments, 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 villages and towns sewage treatment plant, its characterized in that, including consecutive anaerobism pond, oxygen deficiency pond, good oxygen pond, sedimentation tank, rapid filter, middle elevator pump pond, filter, bacteria removing device and clean water basin, all be equipped with back flush channel between middle elevator pump pond and rapid filter, the filter, be equipped with back flush channel between clean water basin and the bacteria removing device, be equipped with sewage inlet on the anaerobism pond, be equipped with up to standard water outlet on the clean water basin.
2. The device of claim 1, wherein the anaerobic tank, the anoxic tank and the aerobic tank are respectively provided with a stirring device and a denitrification fixing filler, the stirring device comprises a stirring paddle, and blades of the stirring paddle are arranged below the denitrification fixing filler.
3. The device of claim 1, wherein the rapid filter is provided with a filter layer for removing suspended solids in sewage, the filter layer is made of a filter material made of PP (polypropylene), the sphericity of the filter material is at least 0.9, the diameter of the filter material is 3-4mm, and the thickness of the filter layer is 0.8-1 m.
4. The device of claim 1, wherein the filter is a filter cloth filter, and the pore size of the filter cloth is 210 μm.
5. The device for treating sewage of villages and towns according to claim 1, wherein an ultrafiltration membrane for filtering bacteria in the sewage, which is made of polyvinylidene fluoride material, is arranged in the bacteria removing device, and the aperture of the ultrafiltration membrane is 0.03 um.
6. The device of claim 1, further comprising a PLC control unit and a phosphorus removal agent adding unit for adding phosphorus removal agent into the sedimentation tank, wherein the middle lift pump tank is internally provided with a total phosphorus analyzer, and the PLC control unit is electrically connected with the total phosphorus analyzer and the phosphorus removal agent adding unit respectively.
7. The device as claimed in claim 1, further comprising a degerming agent adding unit for adding degerming agent into the degerming device, wherein the aerobic tank is further provided with an aeration tray and a blower unit for adjusting aeration amount of the aeration tray.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921451093.4U CN210711166U (en) | 2019-09-02 | 2019-09-02 | Villages and towns sewage treatment plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921451093.4U CN210711166U (en) | 2019-09-02 | 2019-09-02 | Villages and towns sewage treatment plant |
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| CN210711166U true CN210711166U (en) | 2020-06-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110498570A (en) * | 2019-09-02 | 2019-11-26 | 安徽中环环保科技股份有限公司 | A kind of small towns sewage-treatment plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110498570A (en) * | 2019-09-02 | 2019-11-26 | 安徽中环环保科技股份有限公司 | A kind of small towns sewage-treatment plant |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Anhui Xingtai Financial Leasing Co.,Ltd. Assignor: ANHUI ZHONGHUAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Contract record no.: X2021340000009 Denomination of utility model: A town sewage treatment device Granted publication date: 20200609 License type: Exclusive License Record date: 20210518 |
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