CN109020096A - Energy-saving and emission-reducing town sewage treatment system - Google Patents

Energy-saving and emission-reducing town sewage treatment system Download PDF

Info

Publication number
CN109020096A
CN109020096A CN201811142045.7A CN201811142045A CN109020096A CN 109020096 A CN109020096 A CN 109020096A CN 201811142045 A CN201811142045 A CN 201811142045A CN 109020096 A CN109020096 A CN 109020096A
Authority
CN
China
Prior art keywords
pond
aerobic tank
anaerobic pond
emission
saving
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.)
Pending
Application number
CN201811142045.7A
Other languages
Chinese (zh)
Inventor
杨东东
王迅
章凌燕
陈嫦
岳林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Guang'an Construction Co Ltd
Original Assignee
Zhejiang Guang'an Construction Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Guang'an Construction Co Ltd filed Critical Zhejiang Guang'an Construction Co Ltd
Priority to CN201811142045.7A priority Critical patent/CN109020096A/en
Publication of CN109020096A publication Critical patent/CN109020096A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/009Apparatus with independent power supply, e.g. solar cells, windpower, fuel cells
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes

Abstract

The present invention relates to a kind of energy-saving and emission-reducing town sewage treatment systems, belong to environmental technology field, including the sewage pipe for sewage effluent, one end of sewage pipe is communicated with grid pond, the water outlet of grid pond is connected with primary clarifier in turn by pipeline, anaerobic pond, anoxic pond, aerobic tank and second-level settling pond, circulation pipe is also communicated between aerobic tank and anoxic pond, the water outlet connection of second-level settling pond is for by the drainpipe of treated water discharge, the bottom of second-level settling pond is communicated with sludge pipe, anaerobic pond, heating cavities are offered in the peripheral wall of anoxic pond and aerobic tank, heating cable is equipped in heating cavities, the end of heating cable is connected with solar power supply apparatus, in cold season, solar power supply apparatus will make heating cable generate heat, to anaerobic pond, anoxic pond and aerobic tank are heated, with Guarantee the microbial activity in anaerobic pond, anoxic pond and aerobic tank, to not influence the treatment effeciency of sewage.

Description

Energy-saving and emission-reducing town sewage treatment system
Technical field
The present invention relates to environmental technology field more particularly to a kind of energy-saving and emission-reducing town sewage treatment systems.
Background technique
With the rapid development of China's town and country construction, town and country sewage is more and more, the complicated component of sewage and changeable, sewage Discharge is also increasingly apparent to the destruction of ecological environment, or even has seriously affected the quality of the life of town dweller, therefore to make sewage Reach the water quality requirement for draining a certain water body or reusing, needs to purify it, and the process purified is then at sewage Reason.
A kind of small-scale sewage treatment for reuse system is disclosed in the Chinese patent that Authorization Notice No. is CN204824537U, is wrapped It includes between grid, acidification pool, biological reaction pool, biological aerated filter, buffering pond, clear water reserviors and sterilization pool, wherein leads between grid It crosses promotion water pump and pipeline is connected with acidification pool, acidification pool is connected by pipeline with biological reaction pool, biological reaction pool Water outlet is connected by pipeline with aeration and biological pond, and the water outlet of biological aerated filter passes through the water inlet of pipeline and clear water reserviors It is connected with the water inlet in buffered water pond, the water outlet for buffering pond is connected by pipeline with the water inlet of acidification pool, clear water The water outlet in pond is connected by pipeline with the water inlet of sterilization pool, and sewage will after a series of processing is from sterilization pool water outlet Urban wastewater treatment firm disposal of pollutants level-one A standard can be reached.
Due to the nitrogen and phosphorus in town domestic sewage containing higher concentration, traditional sewage treatment process is often through micro- life Object handles sewage, but during the cold season, microbial activity decline, treatment effeciency is low, and sewage treatment plant is caused to handle Efficiency reduces, or even there is a situation where not up to standard.
Summary of the invention
The purpose of the present invention is to provide a kind of energy-saving and emission-reducing town sewage treatment systems, have and during the cold season can Guarantee microbe activity, the advantages of not influence sewage treating efficiency.
Above-mentioned purpose of the invention has the technical scheme that
A kind of energy-saving and emission-reducing town sewage treatment system, including the sewage pipe for sewage effluent, one end of the sewage pipe Be communicated with grid pond, the water outlet of the grid pond by pipeline be connected in turn primary clarifier, anaerobic pond, anoxic pond, Aerobic tank and second-level settling pond are also communicated with circulation pipe between the aerobic tank and the anoxic pond, the second-level settling pond Water outlet connection is for by the drainpipe of treated water discharge, the bottom of the second-level settling pond to be communicated with sludge pipe, institute It states and offers heating cavities in the peripheral wall of anaerobic pond, anoxic pond and aerobic tank, be equipped with heating electric in the heating cavities The end of cable, the heating cable is connected with solar power supply apparatus.
Implement above-mentioned technical proposal, sewage is emitted into grid pond by sewage pipe, by the grid in grid pond to incite somebody to action The biggish contaminant filter of sewage inner volume falls, and then the sewage by filtering flows into primary clarifier, then dirty to be precipitated Water flows back into anoxic pond followed by anaerobic pond, anoxic pond and aerobic tank, then by circulation pipe, then flows into aerobic tank, so that Ammonia nitrogen in sewage is converted to nitrate by biological nitration effect by nitrobacteria, then passes through biology by denitrifying bacteria Denitrification is converted into nitrogen and drains into atmosphere, thus achieve the purpose that reduce nitrogen in sewage, meanwhile, in sewage stream After entering anaerobic pond, polyP bacteria discharges phosphorus in anaerobic pond, and then as in drainage flow to aerobic tank, polyP bacteria will excess suction Phosphorus is received, so that phosphorus is enriched in sludge, last sewage flow to second-level settling pond and precipitated, and will precipitate by sludge pipe Then sludge discharge treated sewage is discharged by drainpipe, at this time with achieving the purpose that reduce phosphor in sewage element The water of discharge will meet urban wastewater treatment firm disposal of pollutants level-one A standard;And in cold season, solar power supply apparatus will Meeting is so that heating cable generates heat, to heat to anaerobic pond, anoxic pond and aerobic tank, to guarantee that anaerobic pond, anoxic pond are become reconciled Microbial activity in oxygen pond, to not influence the treatment effeciency of sewage.
Further, the solar power supply apparatus includes solar energy photovoltaic panel, support frame, control unit and battery, institute State support frame setting on the ground, the solar energy photovoltaic panel is connected on support frame as described above, and the solar energy photovoltaic panel is successively It is connect with described control unit and battery, the battery is connect with the heating cable.
Implement above-mentioned technical proposal, in cold season, solar energy photovoltaic panel under irradiation by sunlight, is converted light energy into Electric energy then by power storage to battery, and is powered for heating cable so that heating cable generates heat, with to anaerobic pond, lack Oxygen pond and aerobic tank are heated, to guarantee the microbial activity in anaerobic pond, anoxic pond and aerobic tank, to not influence sewage Treatment effeciency.
Further, in a ring, and the anaerobic pond is set in the anoxic pond for the anaerobic pond and the anoxic pond Periphery, the aerobic tank are arranged at the center of the anoxic pond.
Implement above-mentioned technical proposal, such anaerobic pond, anoxic pond and aerobic tank are set-located each other, more save land occupation Area.
Further, the lid for sharing anaerobic pond lid, the row of being communicated on the lid are equipped with above the anaerobic pond Tracheae, the exhaust pipe are communicated with activated carbon adsorber far from lid end.
Implement above-mentioned technical proposal, with the processing of sewage, the gas given out from anaerobic pond will by exhaust pipe into Enter in activated carbon adsorber, to carry out taste removal to the gas given out by anaerobic pond, avoids the gas given out from anaerobic pond not Air is polluted through handling.
Further, the lid is provided with multiple, and multiple lids are hinged with the anaerobic pond position, the exhaust pipe It is connected to multiple the one of of the lid, is provided with sealing strip on the peripheral wall of multiple lids.
Implement above-mentioned technical proposal, when needing to clear up anaerobic pond, overturns lid, lid is opened, in this way It is convenient to clean anaerobic pond, and the setting of sealing strip is distributed from the gas of anaerobic pond generation is unprocessed into air for preventing, Air is polluted.
Further, it is provided with and has contact on the separate side hinged with anaerobic pond of the lid, the periphery wall of the anaerobic pond Have contact with described in upper correspondence and be provided with staple, it is described have contact with mutually hooked together with the staple.
To implement above-mentioned technical proposal, has contact with after being hooked together together with staple, the fixation of lid position is not easy to be opened, while this Sample lid and anaerobic pond lid close tighter, reduce and generate and the unprocessed gas distributed into air from anaerobic pond.
Further, steel wire is provided between the peripheral wall of the heating cable and the anaerobic pond, anoxic pond, aerobic tank Net.
Implement above-mentioned technical proposal, steel wire can be thermally conductive, so that heating cable adds anaerobic pond, anoxic pond and aerobic tank Hot is more uniform, to avoid hot-spot.
Further, insulating layer is provided between the peripheral wall of the steel wire and the anaerobic pond, anoxic pond, aerobic tank.
Implement above-mentioned technical proposal, the setting of insulating layer improves heat utilization efficiency for preventing and reducing scattering and disappearing for heat.
In conclusion the invention has the following advantages:
One, in cold season, solar power supply apparatus will make heating cable generate heat, to become reconciled to anaerobic pond, anoxic pond Oxygen pond is heated, to guarantee the microbial activity in anaerobic pond, anoxic pond and aerobic tank, to not influence the processing effect of sewage Rate;
Two, the gas generated from anaerobic pond is handled, is polluted to avoid to air;
Three, anaerobic pond, anoxic pond and aerobic tank are set-located each other, more save floor occupying area.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the embodiment of the present invention;
Fig. 2 is the part-structure sectional view of the embodiment of the present invention;
Fig. 3 is the portion the A enlarged drawing in Fig. 1;
Fig. 4 is the portion the B enlarged drawing in Fig. 2.
Appended drawing reference: 1, sewage pipe;2, grid pond;3, primary clarifier;4, anaerobic pond;41, lid;411, have contact with;42, Exhaust pipe;421, activated carbon adsorber;43, staple;5, anoxic pond;6, aerobic tank;61, circulation pipe;62, heating cavities;63, it sends out Electric heating cable;631, insulating layer;632, steel wire;64, solar energy photovoltaic panel;641, support frame;7, second-level settling pond;71, it drains Pipe;72, sludge pipe.
Specific embodiment
Below in conjunction with attached drawing, the technical solution of the embodiment of the present invention is described.
As shown in Figure 1, a kind of energy-saving and emission-reducing town sewage treatment system, dirty including the sewage pipe 1 for sewage effluent One end of water pipe 1 is communicated with grid pond 2, and the water outlet of grid pond 2 is connected with primary clarifier 3, anaerobism in turn by pipeline Pond 4, anoxic pond 5, aerobic tank 6 and second-level settling pond 7, wherein the end for the pipeline that primary clarifier 3 is connected to is located at primary precipitation The upper part in pond 3 flows into anaerobic pond 4 so that the silt for being deposited in 3 bottom of primary clarifier not easily passs through pipeline, and anaerobism In a ring, anaerobic pond 4 is set in the periphery of anoxic pond 5, and the center of anoxic pond 5 is arranged in aerobic tank 6 for pond 4 and anoxic pond 5 Place, is arranged, each other in this way to reduce occupied area;Aerobic tank 6 is also communicated with Fig. 2 institute in conjunction with circulation pipe 61(between anoxic pond 5 Show), the connection of the water outlet of second-level settling pond 7 is for being connected with the row of being used for for the drainpipe 71 of treated water discharge, bottom Put the sludge pipe 72 of sludge.
As shown in Figure 1, being hinged with above anaerobic pond 4 multiple for anaerobic pond 4 to be covered the lid 41 shared, multiple lids 41 Peripheral wall on be provided with sealing strip (not shown), be communicated with exhaust pipe 42 on one of lid 41, exhaust pipe 42 is remote It is communicated with activated carbon adsorber 421 from 41 end of lid, the gas given out in this way from anaerobic pond 4 will pass through activated carbon adsorber 421, to carry out taste removal, avoid the gas given out from anaerobic pond 4 is unprocessed from polluting to air.
As shown in connection with fig. 3.Be provided on the separate side hinged with anaerobic pond 4 of lid 41 and have contact with 411, anaerobic pond 4 it is outer It is corresponding on peripheral wall to have contact with 411 and be provided with staple 43, have contact with 411 and is mutually hooked together with staple 43.Have contact with 411 to hook together with staple 43 one When rising, the fixation of 41 position of lid is not easy to be opened, while lid 41 in this way closes tighter with the lid of anaerobic pond 4, can reduce from detesting Oxygen pond 4 generates and the unprocessed gas distributed into air, and when needing to clear up anaerobic pond 4 so that have contact with 411 with Staple 43 is detached from, and afterwards turns over lid 41, and lid 41 is opened.
As shown in figure 4, offering heating cavities 62, heating cavities in the peripheral wall of anaerobic pond 4, anoxic pond 5 and aerobic tank 6 Heating cable 63 is equipped in 62, and the end of heating cable 63 is connected with solar power supply apparatus, wherein in conjunction with Fig. 1 institute Show, solar power supply apparatus includes setting support frame 641 on the ground, the solar energy photovoltaic panel being arranged on support frame 641 64, with the sequentially connected control unit of solar energy photovoltaic panel 64 and battery, battery is connect with heating cable 63, in cold Season, solar energy photovoltaic panel 64 under irradiation by sunlight, convert light energy into electric energy, then by power storage to battery, And power for heating cable 63, so that heating cable 63 generates heat, to be heated to anaerobic pond 4, anoxic pond 5 and aerobic tank 6, with Guarantee the microbial activity in anaerobic pond 4, anoxic pond 5 and aerobic tank 6, to not influence the treatment effeciency of sewage.
As shown in figure 4, heating cable 63 and anaerobic pond 4, anoxic pond 5, aerobic tank 6 peripheral wall between be provided with steel wire 632 so that heating cable 63 anaerobic pond 4, anoxic pond 5 and aerobic tank 6 are heated it is more uniform, to avoid local mistake Heat;Steel wire 632 and anaerobic pond 4, anoxic pond 5, aerobic tank 6 peripheral wall between be provided with insulating layer 631, insulating layer 631 is poly- Urethane cystosepiment, to improve heat utilization efficiency for preventing and reducing scattering and disappearing for heat.
The course of work: sewage is emitted into grid pond 2 by sewage pipe 1, and it is primary heavy to flow into after the filtering of grid pond 2 Shallow lake pond 3, to carry out preliminary sedimentation, then sewage is followed by anaerobic pond 4, anoxic pond 5 and aerobic tank 6, then passes through circulation pipe 61 Anoxic pond 5 is flow back into, aerobic tank 6 is then flowed into, is converted so that the ammonia nitrogen in sewage is acted on by nitrobacteria by biological nitration At nitrate, then it is converted into nitrogen by biological denitrification by denitrifying bacteria and drains into atmosphere, to reach drop The purpose of nitrogen in low sewage, meanwhile, sewage flow into anaerobic pond 4 after, polyP bacteria discharges phosphorus in anaerobic pond 4, then with In drainage flow to aerobic tank 6, polyP bacteria will excess absorb phosphorus so that phosphorus is enriched in sludge, last sewage flow to two Grade sedimentation basin 7 is precipitated, and the sludge to precipitate is discharged by sludge pipe 72, to reach the mesh for reducing phosphor in sewage element , then treated sewage is discharged by drainpipe 71.

Claims (8)

1. a kind of energy-saving and emission-reducing town sewage treatment system, including the sewage pipe (1) for sewage effluent, which is characterized in that One end of the sewage pipe (1) is communicated with grid pond (2), and the water outlet of the grid pond (2) is connected in turn by pipeline Primary clarifier (3), anaerobic pond (4), anoxic pond (5), aerobic tank (6) and second-level settling pond (7), the aerobic tank (6) and institute It states and is also communicated between anoxic pond (5) circulation pipe (61), the water outlet connection of the second-level settling pond (7) will be for after handling Water discharge drainpipe (71), the bottom of the second-level settling pond (7) is communicated with sludge pipe (72), and the anaerobic pond (4) lacks Heating cavities (62) are offered in the peripheral wall of oxygen pond (5) and aerobic tank (6), are equipped with fever in the heating cavities (62) The end of cable (63), the heating cable (63) is connected with solar power supply apparatus.
2. energy-saving and emission-reducing town sewage treatment system according to claim 1, which is characterized in that described solar powered Device includes solar energy photovoltaic panel (64), support frame (641), control unit and battery, and support frame as described above (641) is arranged on ground On face, the solar energy photovoltaic panel (64) is connected on support frame as described above (641), the solar energy photovoltaic panel (64) successively with institute It states control unit to connect with battery, the battery is connect with the heating cable (63).
3. energy-saving and emission-reducing town sewage treatment system according to claim 1, which is characterized in that the anaerobic pond (4) In a ring with the anoxic pond (5), and the anaerobic pond (4) is set in the periphery of the anoxic pond (5), the aerobic tank (6) it is arranged at the center of the anoxic pond (5).
4. energy-saving and emission-reducing town sewage treatment system according to claim 1, which is characterized in that the anaerobic pond (4) Top is equipped with for anaerobic pond (4) to be covered the lid (41) shared, and is communicated with exhaust pipe (42), the row on the lid (41) Tracheae (42) is communicated with activated carbon adsorber (421) far from lid (41) end.
5. energy-saving and emission-reducing town sewage treatment system according to claim 4, which is characterized in that the lid (41) sets It is equipped with multiple, multiple lids (41) are hinged with the anaerobic pond (4) position, the exhaust pipe (42) and multiple lids (41) one of connection is provided with sealing strip on the peripheral wall of multiple lids (41).
6. energy-saving and emission-reducing town sewage treatment system according to claim 5, which is characterized in that the lid (41) is remote Have contact with (411) from being provided on the side hinged with anaerobic pond (4), has contact with described in correspondence on the periphery wall of the anaerobic pond (4) (411) it is provided with staple (43), have contact with (411) are mutually hooked together with the staple (43).
7. energy-saving and emission-reducing town sewage treatment system according to claim 1, which is characterized in that the heating cable (63) and the anaerobic pond (4), anoxic pond (5), aerobic tank (6) peripheral wall between be provided with steel wire (632).
8. energy-saving and emission-reducing town sewage treatment system according to claim 7, which is characterized in that the steel wire (632) and the anaerobic pond (4), anoxic pond (5), aerobic tank (6) peripheral wall between be provided with insulating layer (631).
CN201811142045.7A 2018-09-28 2018-09-28 Energy-saving and emission-reducing town sewage treatment system Pending CN109020096A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811142045.7A CN109020096A (en) 2018-09-28 2018-09-28 Energy-saving and emission-reducing town sewage treatment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811142045.7A CN109020096A (en) 2018-09-28 2018-09-28 Energy-saving and emission-reducing town sewage treatment system

Publications (1)

Publication Number Publication Date
CN109020096A true CN109020096A (en) 2018-12-18

Family

ID=64614820

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811142045.7A Pending CN109020096A (en) 2018-09-28 2018-09-28 Energy-saving and emission-reducing town sewage treatment system

Country Status (1)

Country Link
CN (1) CN109020096A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111533373A (en) * 2020-05-07 2020-08-14 宁夏绿色之星环保工程有限公司 Integrated rural sewage treatment equipment
CN111620516A (en) * 2020-05-13 2020-09-04 安徽商贸职业技术学院 Intelligent landscape construction sewage purification facility and method
CN111908735A (en) * 2020-08-28 2020-11-10 桂林理工大学 AAO process transformation method for urban sewage treatment plant based on anaerobic ammonia oxidation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201264956Y (en) * 2008-06-25 2009-07-01 云南利鲁环境建设有限公司 Solar energy heat exchange integrated sewage treating apparatus
CN204643967U (en) * 2015-05-09 2015-09-16 张启磊 A kind of equipment for municipal sewage treatment
CN106167340A (en) * 2016-08-22 2016-11-30 浙江工业大学 A kind of AAO continuous-flow aerobic granular sludge denitrification dephosphorization technique and system
CN206562333U (en) * 2017-01-18 2017-10-17 宜宾清和环保科技股份有限公司 A kind of opel oxidation ditch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201264956Y (en) * 2008-06-25 2009-07-01 云南利鲁环境建设有限公司 Solar energy heat exchange integrated sewage treating apparatus
CN204643967U (en) * 2015-05-09 2015-09-16 张启磊 A kind of equipment for municipal sewage treatment
CN106167340A (en) * 2016-08-22 2016-11-30 浙江工业大学 A kind of AAO continuous-flow aerobic granular sludge denitrification dephosphorization technique and system
CN206562333U (en) * 2017-01-18 2017-10-17 宜宾清和环保科技股份有限公司 A kind of opel oxidation ditch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111533373A (en) * 2020-05-07 2020-08-14 宁夏绿色之星环保工程有限公司 Integrated rural sewage treatment equipment
CN111620516A (en) * 2020-05-13 2020-09-04 安徽商贸职业技术学院 Intelligent landscape construction sewage purification facility and method
CN111908735A (en) * 2020-08-28 2020-11-10 桂林理工大学 AAO process transformation method for urban sewage treatment plant based on anaerobic ammonia oxidation

Similar Documents

Publication Publication Date Title
CN109020096A (en) Energy-saving and emission-reducing town sewage treatment system
CN102775025B (en) Municipal life wastewater treatment system with high efficiency and low energy consumption
CN205556397U (en) A multistage bological aerated filter for quality of water purifies
CN101475284A (en) Domestic sewage treatment process and apparatus
CN108483815A (en) A kind of microkinetic is biochemical and deep-bed filtration sewage disposal device
CN105668943A (en) Multistage aeration biofilter for water quality purification and purification technique thereof
CN103848535B (en) Multimedium renewable biological filtering method and device
CN106007227A (en) Sewage treatment method
CN101585607B (en) Preparation method for substrate of vertical-flow constructed wetlands
CN101885553B (en) Fixed reproductive microorganism sewage purifying and treating method and device
CN106242192A (en) One way of life Sewage zero discharge system
CN205170624U (en) Environmental protection sewage treatment system
CN212198705U (en) Artificial wetland system for tail water treatment of sewage treatment plant
CN202011812U (en) Integrated equipment for treating high-concentration organic wastewater
CN210085200U (en) Solar energy integration sewage treatment device
CN209940700U (en) Green building sewage circulation purifier
CN104085992B (en) A kind of sewage treatment process with warming solar energy effect
CN203159387U (en) Solar energy aeration wet land sewage treatment package unit
CN109896711A (en) A kind of solar integration domestic sewage treatment device
CN208440459U (en) A kind of microkinetic is biochemical and deep-bed filtration sewage disposal device
CN108178438A (en) A kind of rural domestic sewage treatment system and purification method
CN104098184B (en) A kind of solar energy artificial wet land system
CN214457121U (en) Bury formula integration sewage treatment device
CN210764900U (en) Bidirectional flow biomembrane sewage treatment device
CN208327714U (en) Rural domestic sewage treatment integrated apparatus

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20181218

RJ01 Rejection of invention patent application after publication