CN105884146A - Rural distributed wastewater treatment system - Google Patents

Rural distributed wastewater treatment system Download PDF

Info

Publication number
CN105884146A
CN105884146A CN201610471815.7A CN201610471815A CN105884146A CN 105884146 A CN105884146 A CN 105884146A CN 201610471815 A CN201610471815 A CN 201610471815A CN 105884146 A CN105884146 A CN 105884146A
Authority
CN
China
Prior art keywords
pond
space
connects
pipeline
separating dry
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.)
Granted
Application number
CN201610471815.7A
Other languages
Chinese (zh)
Other versions
CN105884146B (en
Inventor
李荣祥
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.)
Hunan Yijing Environmental Protection Technology Co Ltd
Original Assignee
Hunan Yijing Environmental Protection Technology 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 Hunan Yijing Environmental Protection Technology Co Ltd filed Critical Hunan Yijing Environmental Protection Technology Co Ltd
Priority to CN201610471815.7A priority Critical patent/CN105884146B/en
Publication of CN105884146A publication Critical patent/CN105884146A/en
Application granted granted Critical
Publication of CN105884146B publication Critical patent/CN105884146B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • 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
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • 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
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56Macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/08Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/14NH3-N
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/18PO4-P
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • 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
    • 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
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • C02F3/322Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
    • C02F3/325Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae as symbiotic combination of algae and bacteria
    • 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
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • C02F3/327Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
    • 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
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used

Abstract

The invention discloses a rural distributed wastewater treatment system, comprising a non-biological treatment system and a biological treatment system. The non-biological treatment system comprises a wastewater collection tank, a dry-wet contents separator, a settling tank, a flocculating tank, an adsorption tank, a continuous sand washing filter and a water reservoir. The biological treatment system comprises an aerobic tank, anaerobic tank, a fungus and alga tank and a fishpond that are arranged based on the wastewater collection tank and the dry-wet contents separator. The rural distributed wastewater treatment system treats rural distributed wastewater by the combination non-biological treatment and biological treatment, has the advantages of high treatment speed, high efficiency, high energy utilization rate and the like and also has the advantages of process simplicity and operational convenience.

Description

A kind of rural area decentralized type sewage processing system
Technical field
The invention belongs to decentralized type sewage processing technology field, be specifically related to a kind of rural area decentralized type sewage processing system.
Background technology
Along with improving constantly of Re-search on Urbanization level, urbanization rate has reached more than the level of 56%, but still has more people in the countryside.And the sewage treatment facility in rural area is the deficientest, the report therefore wantonly discharged because sanitary sewage lacks process is of common occurrence, and people's life and health are caused serious harm.The sanitary sewage in rural area is the widest and dispersion, and the sewage of discharge is mostly sanitary sewage, has a stronger biodegradability, and the sewage collecting that is not typically molded in rural area and discharge pipe network.
At present domestic sewage in rural areas purifying biogas generating pit is as the main auxiliary facility of rural domestic sewage treatment, and because having, to invest the advantage such as low, less energy consumption, operation and maintenance cost are low and floor space is little rapid in China rural development.Artificial swamp is the artificial wetland built and manage the through engineering approaches controlled, the various polluters that it utilizes physics, chemistry, biological combined reaction process to remove in sewage make water body be purified, but, these technology most importantly effluent quality is difficult to up to standard, go to denitrogenate phosphorus effect undesirable, it is impossible to fundamentally solve the pollution problem of rural area decentralized type sewage, and, these sewage disposal system treatment effeciencies are slow, function singleness.
For this reason, it is necessary to research and development one removes N, P decentralized type sewage processing system effective, the most quick.
Summary of the invention
It is an object of the invention to provide a kind of rural area decentralized type sewage processing system, the problem not enough to solve above-mentioned prior art.
For achieving the above object, the present invention is by the following technical solutions:
nullA kind of rural area decentralized type sewage processing system in the present invention,Including abiotic processing system and biological treatment system,Described abiotic processing system includes the sewage collecting pool set gradually、Separating dry space from moist space pond、Sedimentation basin、Flocculation basin、Adsorption tank、Continous way washed-out sand filter and cistern,Described sewage collecting pool connects separating dry space from moist space pond entrance by waste,Described separating dry space from moist space pond delivery port connects the water inlet of sedimentation basin by pipeline,The delivery port of described sedimentation basin connects the water inlet of flocculation basin by pipeline,The delivery port of described flocculation basin connects the water inlet of adsorption tank by pipeline,The delivery port of described adsorption tank connects the water inlet of continous way washed-out sand filter by pipeline,The delivery port of described continous way washed-out sand filter connects cistern,Described biological treatment system includes the Aerobic Pond arranged based on above-mentioned sewage collecting pool and separating dry space from moist space pond、Anoxic pond、Bacterium algae pond and fish pond,Described separating dry space from moist space pond is connected by pipeline in the way of overflow the Aerobic Pond for aerobic aeration biochemical treatment,Described Aerobic Pond connects anoxic pond by pipeline in the way of overflow,Described anoxic pond also connects bacterium algae pond by pipeline in the way of overflow,And described bacterium algae pond connects fish pond by pipeline in the way of continuum micromeehanics.
Preferably, described separating dry space from moist space pond be with lattice structure separate tank, the grid gap in described separating dry space from moist space pond is 8mm, described sedimentation basin is tube settler, and inclined tube spacing is not less than 50mm, described flocculation basin is provided with the automatic drug feeding machine for adding flocculant, and the common mixed flocculation agent that described flocculant is poly ferric chloride flocculant agent and polyacrylamide flocculant, being provided with preset aerator in described Aerobic Pond and be provided with suspension type 3 D elastic filler, the water outlet in described bacterium algae pond goes out to be provided with agitating device.
Preferably, the solid separated in described separating dry space from moist space pond is collected and fermentation of banking up is used as organic fertilizer.
Preferably, throw in described Aerobic Pond and have microbial bacterial agent, and injected volume presses 10-20g/ sewage per ton.
Preferably, described microbial bacterial agent is the mixed microorganism flora including lactic acid bacteria, bacillus, saccharomycete.
Preferably, described bacterium algae pond is mushroom water plant symbiosis pond, and described bacterium algae pond delivery port is provided with screen pack.
The beneficial effects of the present invention is, sewage is after sewage collecting pool with separating dry space from moist space pond, and separating dry space from moist space pond is sequentially connected with sedimentation basin, flocculation basin, adsorption tank, continous way washed-out sand filter and cistern and constitutes abiotic processing system.Wherein, described sedimentation basin is tube settler, precipitation process efficiency is fast, use the common mixed flocculation agent of poly ferric chloride flocculant agent and polyacrylamide flocculant, inorganic and organic matter in rapid flocculation sewage, finally by the intrinsic contaminant in adsorption tank and continous way washed-out sand filter filter sewage and the impurity produced described in processing procedure, the process of its sewage disposal is rapidly and efficiently.And the Aerobic Pond arranged based on above-mentioned sewage collecting pool and separating dry space from moist space pond, anoxic pond, the biological treatment system that bacterium algae pond and fish pond are formed, it uses the mode of overflow to process unnecessary sewage, mushroom-water plant is utilized (efficiently to remove N, P) and microorganism mix bacterium agent (organic matter in sewage is easily degraded by microorganisms, remove COD) " mushroom-water plant " combination carry out sewage disposal, both have complementary functions, high treating effect to sewage, and by bacterium algae pond filtering net, the water after bacterium algae and process is entered fish pond the most at last, and bacterium algae also can be as the food of fish, pollution-free and capacity usage ratio is high.Rural area decentralized type sewage is processed by the mode that the present invention uses abiotic process and biological treatment to combine, its have process rapidly and efficiently, feature that capacity usage ratio is high, additionally, the present invention also has the feature that technique is simple and convenient to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of rural area of the present invention decentralized type sewage processing system;
Wherein, 1 sewage collecting pool, 2 separating dry space from moist space ponds, 3 sedimentation basins, 4 flocculation basins, 5 adsorption tanks, 6 continous way washed-out sand filters, 7 cisterns, 8 Aerobic Ponds, 9 anoxic pond, 10 bacterium algae ponds, 11 fish ponds.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with detailed description of the invention, the present invention is expanded on further.
The sewage treatment project of certain Anhui Province's new rural village pilot, scale is 130t/ days, the major pollutants content COD after testing of sewageCrFor 25.9mg/L, ammonia nitrogen be 22mg/L, total phosphorus 4.3mg/L.
nullUse a kind of rural area decentralized type sewage processing system in the present invention,Including abiotic processing system and biological treatment system,Described abiotic processing system includes the sewage collecting pool 1 set gradually、Separating dry space from moist space pond 2、Sedimentation basin 3、Flocculation basin 4、Adsorption tank 5、Continous way washed-out sand filter 6 and cistern 7,Described sewage collecting pool 1 connects separating dry space from moist space pond 2 entrance by waste,Described separating dry space from moist space pond 2 delivery port connects the water inlet of sedimentation basin 3 by pipeline,The delivery port of described sedimentation basin 3 connects the water inlet of flocculation basin 4 by pipeline,The delivery port of described flocculation basin 4 connects the water inlet of adsorption tank 5 by pipeline,The delivery port of described adsorption tank 5 connects the water inlet of continous way washed-out sand filter 6 by pipeline,The delivery port of described continous way washed-out sand filter 6 connects cistern 7,Described biological treatment system includes the Aerobic Pond 8 arranged based on above-mentioned sewage collecting pool 1 and separating dry space from moist space pond 2、Anoxic pond 9、Bacterium algae pond 10 and fish pond 12,Described separating dry space from moist space pond 2 is connected by pipeline in the way of overflow the Aerobic Pond 8 for aerobic aeration biochemical treatment,Described Aerobic Pond 8 connects anoxic pond 9 by pipeline in the way of overflow,Described anoxic pond 9 also connects bacterium algae pond 10 by pipeline in the way of overflow,And described bacterium algae pond 10 connects fish pond 12 by pipeline in the way of continuum micromeehanics.
It should be noted that, described separating dry space from moist space pond 2 be with lattice structure separate tank, the grid gap in described separating dry space from moist space pond 2 is 8mm, described sedimentation basin 3 is tube settler, and inclined tube spacing is not less than 50mm, described flocculation basin 4 is provided with the automatic drug feeding machine for adding flocculant, and the common mixed flocculation agent that described flocculant is poly ferric chloride flocculant agent and polyacrylamide flocculant, being provided with preset aerator in described Aerobic Pond 8 and be provided with suspension type 3 D elastic filler, the water outlet in described bacterium algae pond 10 goes out to be provided with agitating device.
In a specific embodiment, the solid separated in described separating dry space from moist space pond 2 is collected and fermentation of banking up is used as organic fertilizer.
In a specific embodiment, throw in described Aerobic Pond 8 and have microbial bacterial agent, and injected volume presses 10-20g/ sewage per ton.
In the particular embodiment, described microbial bacterial agent is the mixed microorganism flora including lactic acid bacteria, bacillus, saccharomycete.
Additionally, described bacterium algae pond 10 is mushroom water plant symbiosis pond, and described bacterium algae pond 10 delivery port is provided with screen pack.
Based on above-mentioned, present invention utilizes the system process rural scattered domestic sewage that abiotic process combines with biological treatment.According to water quality monitoring report display, CODCr, ammonia nitrogen, total phosphorus index, 25.9mg/L, 22mg/L, the 4.3mg/L from former water drops to fish pond discharge 6.8mg/L, 4.2mg/L, 2.2mg/L of water and 5.4mg/L, 3.6mg/L, 1.8mg/L of cistern respectively.The main monitoring index processing water reaches target.(the former water in Surveillance refers to the septic tank effluent not yet using this rural area decentralized type sewage processing system to process)
As known by the technical knowledge, the present invention can be realized by the embodiment of other essence without departing from its spirit or essential feature.Therefore, embodiment disclosed above, for each side, is all merely illustrative, and is not only.All changes within the scope of the present invention or within being equal to the scope of the present invention are all comprised by the present invention.

Claims (6)

1. a rural area decentralized type sewage processing system, it is characterised in that include abiotic process System and biological treatment system, described abiotic processing system includes the sewage collecting set gradually Pond, separating dry space from moist space pond, sedimentation basin, flocculation basin, adsorption tank, continous way washed-out sand filter and storage Pond, described sewage collecting pool connects separating dry space from moist space pond entrance, described dry and wet by waste Separate tank delivery port connects the water inlet of sedimentation basin by pipeline, and the delivery port of described sedimentation basin leads to Piping connects the water inlet of flocculation basin, and the delivery port of described flocculation basin connects absorption by pipeline The water inlet in pond, the delivery port of described adsorption tank connects continous way washed-out sand filter by pipeline Water inlet, the delivery port of described continous way washed-out sand filter connects cistern, described biological treatment Aerobic Pond that system includes arranging based on above-mentioned sewage collecting pool and separating dry space from moist space pond, anoxic pond, Bacterium algae pond and fish pond, described separating dry space from moist space pond is connected by pipeline in the way of overflow to be had for good The Aerobic Pond that oxygen aeration biochemical processes, described Aerobic Pond is connected by pipeline in the way of overflow and lacks Oxygen pond, described anoxic pond also connects bacterium algae pond, and described bacterium algae by pipeline in the way of overflow Pond connects fish pond by pipeline in the way of continuum micromeehanics.
A kind of rural area the most according to claim 1 decentralized type sewage processing system, its feature Be, described separating dry space from moist space pond be with lattice structure separate tank, described separating dry space from moist space pond Grid gap be 8mm, described sedimentation basin is tube settler, and inclined tube spacing is not less than 50mm, described flocculation basin is provided with the automatic drug feeding machine for adding flocculant, and described flocculant For the common mixed flocculation agent of poly ferric chloride flocculant agent Yu polyacrylamide flocculant, described Aerobic Pond is provided with preset aerator and suspension type 3 D elastic filler is installed, described bacterium algae The water outlet in pond goes out to be provided with agitating device.
A kind of rural area the most according to claim 1 decentralized type sewage processing system, its feature Being, the solid separated in described separating dry space from moist space pond is collected and fermentation of banking up is used as organic fertilizer.
A kind of rural area the most according to claim 2 decentralized type sewage processing system, its feature Being, throwing in described Aerobic Pond has microbial bacterial agent, and injected volume presses 10-20g/ dirt per ton Water.
A kind of rural area the most according to claim 4 decentralized type sewage processing system, its feature Being, described microbial bacterial agent is the mixing including lactic acid bacteria, bacillus, saccharomycete Microorganism species.
A kind of rural area the most according to claim 1 decentralized type sewage processing system, its feature Being, described bacterium algae pond is mushroom water plant symbiosis pond, and described bacterium algae pond delivery port sets There is screen pack.
CN201610471815.7A 2016-06-24 2016-06-24 A kind of rural area decentralized type sewage processing system Active CN105884146B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610471815.7A CN105884146B (en) 2016-06-24 2016-06-24 A kind of rural area decentralized type sewage processing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610471815.7A CN105884146B (en) 2016-06-24 2016-06-24 A kind of rural area decentralized type sewage processing system

Publications (2)

Publication Number Publication Date
CN105884146A true CN105884146A (en) 2016-08-24
CN105884146B CN105884146B (en) 2018-07-24

Family

ID=56718252

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610471815.7A Active CN105884146B (en) 2016-06-24 2016-06-24 A kind of rural area decentralized type sewage processing system

Country Status (1)

Country Link
CN (1) CN105884146B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109232032A (en) * 2018-12-04 2019-01-18 乐山嘉兴环境工程有限公司 A kind of biological organic fertilizer and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103723896A (en) * 2014-01-24 2014-04-16 王胜初 Integrated sewage disposal system and disposal method
CN105417698A (en) * 2015-11-09 2016-03-23 杨鹏 Sewage treatment system
CN205115214U (en) * 2015-07-24 2016-03-30 上海市环境科学研究院 Distributed rural domestic sewage integrated process device of modularization MBR

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103723896A (en) * 2014-01-24 2014-04-16 王胜初 Integrated sewage disposal system and disposal method
CN205115214U (en) * 2015-07-24 2016-03-30 上海市环境科学研究院 Distributed rural domestic sewage integrated process device of modularization MBR
CN105417698A (en) * 2015-11-09 2016-03-23 杨鹏 Sewage treatment system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109232032A (en) * 2018-12-04 2019-01-18 乐山嘉兴环境工程有限公司 A kind of biological organic fertilizer and preparation method thereof

Also Published As

Publication number Publication date
CN105884146B (en) 2018-07-24

Similar Documents

Publication Publication Date Title
CN105585220B (en) A kind of urban sewage treatment system and purification method
CN102775025B (en) Municipal life wastewater treatment system with high efficiency and low energy consumption
CN105366877A (en) Sewage treatment device integrating coagulation, sedimentation and filtration
CN206486407U (en) A kind of livestock breeding wastewater processing system
CN104310714A (en) System for processing breeding and slaughtering sewage and technology for system
CN206607071U (en) A kind of sewage treatment unit based on water treatment agent and ceramic membrane
CN105271618A (en) Sewage enhanced treatment system and method
CN206204118U (en) For the processing system of black and odorous water
CN105884146B (en) A kind of rural area decentralized type sewage processing system
CN104478161A (en) Integrated biochemical wetland purification sewage treatment system
CN203582658U (en) Multi-stage aeration reclaimed water treatment system for medium and small towns
CN207811366U (en) A kind of sewage disposal system
CN111253001A (en) Domestic sewage treatment device and treatment method thereof
CN207760202U (en) A kind of microkinetic sewage disposal device
CN202945124U (en) Urban sewage treatment system with high efficiency and low energy consumption
CN202671346U (en) Wastewater treatment system for waste paper making
CN205473227U (en) River purifying water process system
CN205170487U (en) Sewage strengthening treatment system
CN205222812U (en) Anaerobism - catalytic oxidation dephosphorization denitrogenation biofilm reactor
CN204298204U (en) A kind of combined type dispersion water distribution wastewater reusing device
CN203593654U (en) Circular processing system applied to industrial wastewater treatment
CN107540160A (en) Cultivation wastewater purification handling process and its device
CN209481417U (en) A kind of culturing wastewater processing system
CN210528713U (en) Slaughter effluent treatment plant
CN214457489U (en) Domestic sewage treatment device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant