CN205347124U - City river drain sewage treatment device - Google Patents

City river drain sewage treatment device Download PDF

Info

Publication number
CN205347124U
CN205347124U CN201521119928.8U CN201521119928U CN205347124U CN 205347124 U CN205347124 U CN 205347124U CN 201521119928 U CN201521119928 U CN 201521119928U CN 205347124 U CN205347124 U CN 205347124U
Authority
CN
China
Prior art keywords
treatment unit
sewage
city river
draining exit
tank
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
Application number
CN201521119928.8U
Other languages
Chinese (zh)
Inventor
钟明
马征
孟庆宇
高焕春
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.)
Beijing Jinhe Ecological Technology Co., Ltd
Original Assignee
Beijing Hehaiqingyuan Environmental Protection Science & 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 Beijing Hehaiqingyuan Environmental Protection Science & Technology Co Ltd filed Critical Beijing Hehaiqingyuan Environmental Protection Science & Technology Co Ltd
Priority to CN201521119928.8U priority Critical patent/CN205347124U/en
Application granted granted Critical
Publication of CN205347124U publication Critical patent/CN205347124U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a city river drain sewage treatment device, including the primary treatment unit and the secondary treatment unit of establishing ties each other, the sewage of city river drain flows in in proper order primary treatment unit and secondary treatment unit are handled, the primary treatment unit is including the equalizing basin, line mixer, folded plate flocculation reaction tank and the inclined lamellar precipitation pond that connect gradually, the secondary treatment unit including the denitrification filtering pond that connects gradually, nitrify aerating filter and clean water basin. Can also set up the tertiary treatment unit behind the secondary treatment unit carries out further filtration to sewage. The utility model discloses fully considered riverway sewage outlet's lineament, sewage treatment device throughput is strong, and the whole resistant impact load excellent performance of equipment can adapt to the characteristics that the riverway sewage outlet water yield rises suddenly and falls suddenly, wholly adopts the series connection form, arranges the flexibility, can set up and also can partly bury or use entirely with burying in the ground, is particularly suitable for being applied to long and narrow city river both sides.

Description

City river sewage draining exit sewage disposal device
Technical field
This utility model relates to a kind of city river sewage draining exit sewage disposal device, is primarily adapted for use in the sewage disposal of Drain contamination for river channel mouth for discharging sanitary sewage and other similar sewage.
Background technology
City river mouth sewage water treatment method is from largely saying it is the technology of solid-liquid separation, existing sewage water treatment method is generally adopted aerated grit chamber (modal mixed reaction pond) and preliminary sedimentation tank, make a return journey the suspension in scrubbing water and colloidal attitude material, then sewage is through the multiple purification such as physics and biological metabolism, thus reaching the requirement of sewage discharge.
But there is many weak points in existing sewage water treatment method:
First, the unit for treating water time of staying length such as conventional mixed reaction pond, preliminary sedimentation tank, hydraulic load is low, primary construction investment is high, floor space is big.It addition, removing while float, the organic concentration of sewage often also declines therewith, to the float degree for the treatment of of sewage too high time, CODcrRemoval amount is too high, causes in follow-up denitrification process and provides carbon source to reduce for nitrate nitrogen, and denitrification is suppressed, thus needing additional carbon, increases cost of equipment;If float degree for the treatment of is too low, the too fast blocking of follow-up denitrification bio-filter can be caused again or need backwash frequently.
Secondly, BAF is generally adopted rear-mounted denitrification technique, the complex management of rear-mounted denitrification, operating cost is high, in order to make BAF can have longer cycle of operation, reduces backwash number of times and reduces energy consumption, water inlet need to be carried out pretreatment, otherwise a large amount of impurity in former water and SS enter aerating filter, it will blocking aeration, water distribution system, bring serious consequence to the operation of system.Owing to wanting denitrogenation to need additional carbon in denitrification process, for ensureing that denitrification effect generally needs excessive to add carbon source, therefore can cause that water outlet total nitrogen in denitrification pond is up to standard and Organic substance exceeds standard, generally also to increase carbon-removing equipment after denitrification filter pool, increase equipment cost.
Summary of the invention
In order to solve prior art Problems existing, the purpose of this utility model is in that to provide a kind of city river sewage draining exit sewage disposal device, by the rational modification of prior art makes equipment entirety reach, volume is little, small accommodation area, the advantage such as investment is low, treatment effeciency is high, technological process is simple, convenient operation and management, equipment entirety adopts cascade, flexible arrangement, can be arranged at and also can partly bury or complete buried use on the ground, be particularly suitable for long and narrow city river both sides.
The technical solution of the utility model is:
A kind of city river sewage draining exit sewage disposal device, including the coagulation unit being serially connected, two stage treatment unit and three stage treatment unit, described coagulation unit includes the regulating reservoir, pipe-line mixer, folded plate flocculation reaction tank and the inclined-plate clarifying basin that are sequentially connected with, described two stage treatment unit includes the denitrification filter pool, nitrating aeration filter tank and the clear water reserviors that are sequentially connected with, and described three stage treatment unit is provided with filter plant.City river sewage draining exit connects described regulating reservoir, and sewage sequentially passes through after the equipment of described coagulation unit, two stage treatment unit and three stage treatment unit processes and discharged by described three stage treatment unit.
Preferably, the water inlet of described regulating reservoir is provided with fine fack.
Preferably, the chemicals dosing plant for adding flocculant in sewage it is provided with between described regulating reservoir and pipe-line mixer.
Preferably, described pipe-line mixer is made up of pipe-like housing and the fixing blade of more piece being arranged in described pipe-like housing.
Preferably, described folded plate flocculation reaction tank includes flocculation cell body, is provided with flap some groups relative in described flocculation basin body, the fixing connection of two inwalls that the both sides of described flap are relative with in described flocculation basin body respectively.
Preferably, described inclined-plate clarifying basin includes sedimentation tank body, the middle part of described sedimentation tank body is the baffling swash plate district being provided with sloping plate unit, the bottom of described sedimentation tank body is bucket, the space reserved above with composition clear water zone in described baffling swash plate district, the space constituting water distributing area is left between lower section and the bucket in described baffling swash plate district, described water distributing area is provided with the water inlet that the outlet with described folded plate flocculation reaction tank is connected, described sloping plate unit is made up of inclined board two groups relative and declined board, described inclined board is provided with lower hem, described declined board is provided with upper hem, the lower hem of described inclined board and the upper hem cross-cutting distribution of described lower flap portion.
Preferably, bottom described inclined-plate clarifying basin, the spoil disposal pipeline of bucket accesses mud storage pool, the spoil disposal pipeline of described mud storage pool accesses sludge activation pond, and described sludge activation pond is provided with supporting aerator, and the sludge outlet in described sludge activation pond connects described folded plate flocculation reaction tank by mud return line.
Preferably, it is provided with nitrification liquid reflux line between water outlet and the water inlet of denitrification filter pool in described nitrating aeration filter tank, described nitrification liquid reflux line is provided with reflux pump and effusion meter, the water inlet end of described nitrification liquid reflux line connects the exhalant region in described nitrating aeration filter tank, the outlet conduit in described nitrating aeration filter tank or clear water reserviors, and the water side of described nitrification liquid return duct connects the inlet channel of described denitrification filter pool or denitrification filter pool.
Preferably, it is additionally provided with backwash pump, described backwash pump is arranged on the backwash water inlet pipe between described clear water reserviors and described denitrification filter pool and nitrating aeration filter tank, described backwash pump is for providing backwash water to described denitrification filter pool and nitrating aeration filter tank, and the backwash outlet conduit in described denitrification filter pool and nitrating aeration filter tank connects described regulating reservoir.
Preferably, the above or below of described filter plant is additionally provided with sterilization pool.
The beneficial effects of the utility model are:
The rational technology of traditional coagulation unit (chemically enchanced primary treatment) Yu two stage treatment unit (BAF) is combined and improves application by this utility model, the equipment entirety of making has reached that volume is little, small accommodation area, the advantage such as investment is low, treatment effeciency is high, technological process is simple, convenient operation and management.And equipment entirety anti impulsion load function admirable, can adapt to Drain contamination for river channel saliva amount suddenly rise the feature suddenly fallen, equipment entirety adopts cascade, flexible arrangement, can be arranged at and also can partly bury or complete buried use on the ground, be particularly suitable for long and narrow city river both sides.
Coagulation unit can remove a large amount of organic pollutions in sewage and particle suspensions, to alleviate the biological load of subsequent technique, thus reducing the oxygen consumption of integrated artistic and the yield of excess sludge;
SS clearance in sewage can reach more than 90%, and the sewage being processed fully meets the requirement to SS content of the two stage treatment unit, substantially prolongs backwashing time interval, reduces backwash number of times and operating cost;Meanwhile, coagulation unit reduces the concentration of dirty organic pollutants, such that it is able to reduce the load of two stage treatment unit, plays the effect reducing aeration rate minimizing operating cost;Coagulation unit reasonably controls the carbon source amount entering two stage treatment unit, makes the quantity of heterotrophic bacteria be controlled, and grows up to the nitrifier with the effect of denitrogenating and creates more condition, therefore improves the effect denitrogenated.
Two stage treatment unit adopts biological aerated filter process, needs denitrification filter pool preposition according to denitrogenation, and Prepositive denitrification can avoid the shortcoming that BAF system self simultaneous denitrification degree is insufficient for total nitrogen emission request.Adopting A/O method to combine with biofilter, denitrification, nitration reaction carry out in the reaction member of two series connection simultaneously, and nitrating aeration filter tank backflow nitrification liquid provides nitrate nitrogen (NO for denitrification filter pool3N);Meanwhile, adopt that denitrification filter pool is preposition may be omitted with the carbon-removing equipment behind conventional denitrification filter tank.
This utility model is additionally provided with the equipment of backflow activated sludge, it is possible to reduce sludge yield and flocculant dosage, introduces in regulating reservoir by the backwashing sludge of two stage treatment unit simultaneously, reduces the sludge yield of whole system further.
This utility model takes into full account the sewage quantity that city river sewage draining exit need to process, and three stage treatment unit adopts single-valve filter or valveless filtering pool, and running cost is low, it is easy to Automated condtrol, can manually set back washing strength, filtrate long service life.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is the schematic diagram of this utility model coagulation unit;
Fig. 3 is the schematic diagram of this utility model two stage treatment unit;
Fig. 4 is the schematic diagram of this utility model three stage treatment unit;
Fig. 5 is the structure diagram of this utility model CEPT equipment;
Fig. 6 is the structure diagram of this utility model folded plate flocculation reaction tank;
Fig. 7 is the upper folded structure sketch of this utility model folded plate flocculation reaction tank;
Fig. 8 is the lower flap portion structure diagram of this utility model folded plate flocculation reaction tank;
Fig. 9 is the structure diagram of this utility model inclined-plate clarifying basin;
Figure 10 is the structure diagram of the swash plate in this utility model baffling swash plate district.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described further.
Referring to Fig. 1 to Figure 10, the utility model discloses a kind of city river sewage draining exit sewage disposal device, including the coagulation unit being serially connected, two stage treatment unit and three stage treatment unit, the sewage of city river sewage draining exit flows into described coagulation unit successively, two stage treatment unit and three stage treatment unit process, described coagulation unit includes the regulating reservoir that is sequentially connected with and CEPT equipment (includes pipe-line mixer 1, folded plate flocculation reaction tank 3 and inclined-plate clarifying basin 4), described two stage treatment unit includes the denitrification filter pool (DN pond) being sequentially connected with, nitrating aeration filter tank (CN pond) and clear water reserviors, described three stage treatment unit is provided with filter plant.This utility model adopts the series operation of coagulation unit, two stage treatment unit and three stage treatment unit, the steady operation that coagulation unit is two stage treatment unit creates good condition, under ensureing the premise that effluent quality is up to standard, the work efficiency that the equipment that improves is overall, equipment entirety has the advantages such as volume is little, small accommodation area, investment is low, treatment effeciency is high, technological process is simple, convenient operation and management.
It is provided with fine fack in described regulating reservoir, it is possible to float bigger in intercepting sewage and floating thing, alleviates subsequent treatment pressure.
Being provided with the chemicals dosing plant for adding flocculant in sewage between described regulating reservoir and pipe-line mixer, described flocculant preferably employs organic flocculant.
Described pipe-line mixer is made up of pipeline and the fixing blade of more piece being arranged in pipeline, it is possible to makes current tap in pairs, produces vortex simultaneously and reversely rotate and cross flow one, so that flocculant and sewage obtain good mixed effect.
Fig. 6 show folded plate flocculation reaction tank of the present utility model, described folded plate flocculation reaction tank is made up of the Chu Ni district 12 bottom cell body 10 and cell body, flap some groups relative it is provided with in described cell body, flap is divided into flap 7 and lower flap portion 8, on adjacent bifoldable plate two inwalls that to be separately fixed in cell body relative.Fig. 7 to Fig. 8 show upper flap of the present utility model and lower flap portion, on flap, the angle between adjacent segment is 90 degree, sewage flow passage is formed between flap, the distance of sewage flocculation reaction can be increased, ensure that current reach the turbulent condition that flocculation is required, make energy loss be fully used, shorten the time of staying.Sewage flows in cell body through pipe-line mixer 1 and water inlet pipe 2, making the micro-wadding grain in sewage contact with each other collision under flow action, to form bigger wadding grain, wadding grain big after flocculation reaction sinks to bottom cell body, then being drained in bucket by discharge pipeline 11, the sewage after process is flowed out by outlet 9.
Fig. 9 show inclined-plate clarifying basin of the present utility model, described inclined-plate clarifying basin is made up of clear water zone 14, baffling swash plate district 15, water distributing area 16 and bucket 17 from top to bottom, described clear water zone is provided with effluent weir 5, the water inlet 19 of described water distributing area is connected with the outlet of described folded plate flocculation reaction tank, clear water flows into water distributing area by water inlet, described bucket is positioned at the bottom of described inclined-plate clarifying basin, and the mud in bucket flows into mud storage pool by spoil disposal pipeline 18.Figure 10 show the swash plate 20 in this utility model baffling swash plate district, described baffling swash plate district is made up of swash plate two groups relative, adopting staggered being spaced between two groups of swash plates, often group swash plate all comprises several planks being parallel to each other, and the distance between adjacent swash plate is equal and scalable.Inclined-plate clarifying basin has the advantages such as deposition efficiency height, cell body volume is little, floor space is few, sewage enters water distributing area, from bottom to top by baffling swash plate district, coagulated particles in water is deposited on swash plate and falls under gravity into bucket, clear water is then by entrance clear water zone, baffling swash plate district, and overflow enters next processing unit by outlet conduit 6.
Being additionally provided with the spoil disposal pipeline connecting described inclined-plate clarifying basin and access mud storage pool, the spoil disposal pipeline of described mud storage pool accesses sludge activation pond, and described sludge activation pond is provided with supporting aerator, and the sludge outlet in described sludge activation pond connects described folded plate flocculation reaction tank.Mud storage pool can collect the mud reacting generation in described inclined-plate clarifying basin, and a part of mud can be used as the secondaries such as compost and utilizes after discharging;Another part mud is sent in the cell body sending into folded plate flocculation reaction tank in sludge activation pond after aeration, uses as biological flocculant, it is possible to reduce the injected volume of equipment flocculant.
Being additionally provided with reflux pump and effusion meter, described reflux pump and effusion meter are arranged on the reflux line between described nitrating aeration filter tank and denitrification filter pool, and described reflux pump and effusion meter are used for return digestion liquid in described denitrification filter pool.
It is additionally provided with backwash pump, described backwash pump is arranged in the Backwash pipeline between described clear water reserviors and described denitrification filter pool and nitrating aeration filter tank, described backwash pump is for providing backwash water to described denitrification filter pool and nitrating aeration filter tank, and the backwash outlet conduit in described denitrification filter pool and nitrating aeration filter tank connects described regulating reservoir.
The outlet conduit of described clear water reserviors connects river course or three stage treatment unit, and described three stage treatment unit is filter plant, and described filter plant preferably employs single-valve filter or valveless filtering pool.
According to actual needs, disinfection apparatus can be set, sterilization can also be not provided with arrange, when being provided with disinfection apparatus, described disinfection apparatus can adopt the mode of any suitable, for instance can be the sterilization pool adopting liquid chlorine disinfection, it is also possible to the ozone disinfection equipment etc. that can the water in pipeline be carried out disinfection, described disinfection apparatus can be arranged on before filter plant, it is also possible to is arranged on after filter plant.
Work process of the present utility model is: sanitary sewage is entered in regulating reservoir by city river sewage draining exit and is adjusted, and by arranging float bigger in fine fack intercepting sewage and floating thing, regulating reservoir can regulate the water yield of sewage, makes water yield steady.Being adjusted the sewage after pond regulates and enter water inlet pipe, sewage flow ipe blender, simultaneously flocculant is added in pipe-line mixer and is sufficiently mixed by chemicals dosing plant, and mixed liquid flows in folded plate flocculation reaction tank.Sewage is through the sewage flow passage that flap is defined under turbulent condition, and the micro-wadding grain in sewage contacts with each other to collide and forms bigger wadding grain, and the sewage after process flows into the water distributing area in inclined-plate clarifying basin.Along with the rising of the sewage water surface, sewage enters baffling swash plate district and processes further, and the coagulated particles in sewage is deposited on swash plate and falls under gravity into bucket, and clear water then by entrance clear water zone, baffling swash plate district, flows into next processing unit by effluent weir.
Sewage after coagulation cell processing flows in denitrification filter pool and carries out denitrogenation, subsequently into the nitrating aeration filter tank being provided with packing layer, it is achieved the nitrated and de-carbon process of sewage.A water outlet part in nitrating aeration filter tank is back in denitrification filter pool for the Denitrification offer NO of denitrification filter pool3N, another part flows into and enters river course through overflow in clear water reserviors or enter three stage treatment unit.This utility model is also equipped with backwash pump, can close the water inlet of coagulation unit when denitrification filter pool and nitrating aeration filter tank need and rinse, open backwash pump and be rinsed, and the sewage backflow after flushing is to coagulation unit.
Sewage is filtered by three stage treatment unit further, and the sewage after filtration enters river course after being directly discharged into river course or being sterilized.
Sewage disposal device disposal ability of the present utility model is strong, city river sewage draining exit sewage after coagulation unit and two stage treatment cell processing, its water quality can reach the one-level B discharge standard that GB " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) specifies;After filtering then through three stage treatment unit, effluent quality can reach the B emission limit (sanitary sewage disposal station, village) that Beijing provincial standard " water pollutant comprehensive discharge standard " (DB11/307-2013) specifies.This utility model has taken into full account the lineament of Drain contamination for river channel mouth, equipment entirety anti impulsion load function admirable, can adapt to Drain contamination for river channel saliva amount suddenly rise the feature suddenly fallen, equipment entirety adopts cascade, flexible arrangement, can be arranged at and also can partly bury or complete buried use on the ground, be particularly suitable for long and narrow city river both sides.

Claims (10)

1. a city river sewage draining exit sewage disposal device, it is characterized in that the coagulation unit, two stage treatment unit and the three stage treatment unit that include being serially connected, described coagulation unit includes the regulating reservoir, pipe-line mixer, folded plate flocculation reaction tank and the inclined-plate clarifying basin that are sequentially connected with, described two stage treatment unit includes the denitrification filter pool, nitrating aeration filter tank and the clear water reserviors that are sequentially connected with, and described three stage treatment unit is provided with filter plant.
2. city river sewage draining exit sewage disposal device as claimed in claim 1, it is characterised in that the water inlet of described regulating reservoir is provided with fine fack.
3. city river sewage draining exit sewage disposal device as claimed in claim 2, it is characterised in that be provided with the chemicals dosing plant for adding flocculant in sewage between described regulating reservoir and pipe-line mixer.
4. city river sewage draining exit sewage disposal device as claimed in claim 3, it is characterised in that described pipe-line mixer is made up of pipe-like housing and the fixing blade of more piece being arranged in described pipe-like housing.
5. city river sewage draining exit sewage disposal device as claimed in claim 4, it is characterized in that described folded plate flocculation reaction tank includes flocculation cell body, flap some groups relative it is provided with, the fixing connection of two inwalls that the both sides of described flap are relative with in described flocculation basin body respectively in described flocculation basin body.
6. city river sewage draining exit sewage disposal device as claimed in claim 5, it is characterized in that described inclined-plate clarifying basin includes sedimentation tank body, the middle part of described sedimentation tank body is the baffling swash plate district being provided with sloping plate unit, the bottom of described sedimentation tank body is bucket, the space reserved above with composition clear water zone in described baffling swash plate district, the space constituting water distributing area is left between lower section and the bucket in described baffling swash plate district, described water distributing area is provided with the water inlet that the outlet with described folded plate flocculation reaction tank is connected, described sloping plate unit is made up of inclined board two groups relative and declined board, described inclined board is provided with lower hem, described declined board is provided with upper hem, the lower hem of described inclined board and the upper hem cross-cutting distribution of described lower flap portion.
7. city river sewage draining exit sewage disposal device as claimed in claim 6, it is characterized in that the spoil disposal pipeline of bucket bottom described inclined-plate clarifying basin accesses mud storage pool, the spoil disposal pipeline of described mud storage pool accesses sludge activation pond, described sludge activation pond is provided with supporting aerator, and the sludge outlet in described sludge activation pond connects described folded plate flocculation reaction tank by mud return line.
8. city river sewage draining exit sewage disposal device as claimed in claim 1, it is characterized in that being provided with nitrification liquid reflux line between water outlet and the water inlet of denitrification filter pool in described nitrating aeration filter tank, described nitrification liquid reflux line is provided with reflux pump and effusion meter, the water inlet end of described nitrification liquid reflux line connects the exhalant region in described nitrating aeration filter tank, the outlet conduit in described nitrating aeration filter tank or clear water reserviors, and the water side of described nitrification liquid return duct connects the inlet channel of described denitrification filter pool or denitrification filter pool.
9. city river sewage draining exit sewage disposal device as claimed in claim 1, it is characterized in that being additionally provided with backwash pump, described backwash pump is arranged on the backwash water inlet pipe between described clear water reserviors and described denitrification filter pool and nitrating aeration filter tank, and the backwash outlet conduit in described denitrification filter pool and nitrating aeration filter tank connects described regulating reservoir.
10. city river sewage draining exit sewage disposal device as described in any one in claim 1-9, it is characterised in that arranging or be not provided with disinfection apparatus, when being provided with disinfection apparatus, described disinfection apparatus is arranged on the above or below of described filter plant.
CN201521119928.8U 2015-12-30 2015-12-30 City river drain sewage treatment device Active CN205347124U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521119928.8U CN205347124U (en) 2015-12-30 2015-12-30 City river drain sewage treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521119928.8U CN205347124U (en) 2015-12-30 2015-12-30 City river drain sewage treatment device

Publications (1)

Publication Number Publication Date
CN205347124U true CN205347124U (en) 2016-06-29

Family

ID=56170720

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521119928.8U Active CN205347124U (en) 2015-12-30 2015-12-30 City river drain sewage treatment device

Country Status (1)

Country Link
CN (1) CN205347124U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107673561A (en) * 2017-11-07 2018-02-09 中交生态环保投资有限公司 A kind of black and odorous water in-situ treatment system and processing method
CN109607814A (en) * 2018-12-04 2019-04-12 大连理工大学 A kind of excess sludge alkaline hydrolysis technique preparing biological flocculant

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107673561A (en) * 2017-11-07 2018-02-09 中交生态环保投资有限公司 A kind of black and odorous water in-situ treatment system and processing method
CN107673561B (en) * 2017-11-07 2018-09-11 中交生态环保投资有限公司 A kind of black and odorous water in-situ treatment system and processing method
CN109607814A (en) * 2018-12-04 2019-04-12 大连理工大学 A kind of excess sludge alkaline hydrolysis technique preparing biological flocculant
CN109607814B (en) * 2018-12-04 2021-11-19 大连理工大学 Alkaline hydrolysis process for preparing excess sludge of biological flocculant

Similar Documents

Publication Publication Date Title
CN105621792B (en) City river sewage draining exit sewage water treatment method and processing equipment
CN104773823B (en) A kind of A/O reactors of no pump reflux
CN205347124U (en) City river drain sewage treatment device
CN101857345B (en) Aeration biological filter pool device and process for efficiently denitrifying and dephosphorizing
CN202881052U (en) Device for removing phosphorus chemically and forcibly by adopting A2O, membrane separation and cloth filter filtering
CN201713417U (en) Aeration biological filter pool device for efficiently denitrifying and dephosphorizing
CN206143005U (en) Synchronous nitrification and denitrification sewage treatment plant and system based on MBBR
KR101087673B1 (en) Advanced wastewater treatment system using multi-story system and method for improvement of settling pond
CN103539324A (en) Biological ceramsite device for deeply treating domestic wastewater as well as process thereof
CN105110556A (en) Integrated denitrification decarbonization biological aerated filter and processing system thereof
CN101863594B (en) Aeration biological filter device and process for carbon-nitrogen pre-separation
CN205710349U (en) Underground integrated sewage treating equipment
CN1199875C (en) Composite method for treating industrial and domestic waste water as resource and its equipment
CN108275850A (en) A kind of effective integrated sewage-treatment plant
CN208200681U (en) A kind of effective integrated sewage-treatment plant
CN107364969A (en) The energy-saving sewage processing method and its device of a kind of high-efficient denitrification and dephosphorization
CN107381817A (en) A kind of micro- oxygen denitrification reactor of cavitation-preventive
CN212864467U (en) Sewage treatment system
CN208747870U (en) Integrated sewage treating apparatus
CN213295091U (en) Rural sewage treatment plant
CN208471838U (en) Integrated sewage treatment device
KR20080089799A (en) A wastewater transaction system
CN209226783U (en) A kind of integrated rural sewage-treatment plant
CN210103688U (en) Sewage treatment equipment for denitrification and dephosphorization of domestic sewage
CN201713418U (en) Aeration biological filter device for carbon and nitrogen pre-separation

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CP01 Change in the name or title of a patent holder

Address after: 100085 Jinyuan Building 305, No. 1 Shangdi Information Road, Haidian District, Beijing

Patentee after: Beijing Jinhe Environmental Protection Technology Co., Ltd.

Address before: 100085 Jinyuan Building 305, No. 1 Shangdi Information Road, Haidian District, Beijing

Patentee before: BEIJING HEHAIQINGYUAN ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY CO., LTD.

CP01 Change in the name or title of a patent holder
CP02 Change in the address of a patent holder

Address after: 102206 No. 2-4 Building of Jinhe Water State Council, Xishatun, Shahe Town, Changping District, Beijing

Patentee after: Beijing Jinhe Environmental Protection Technology Co., Ltd.

Address before: 100085 Jinyuan Building 305, No. 1 Shangdi Information Road, Haidian District, Beijing

Patentee before: Beijing Jinhe Environmental Protection Technology Co., Ltd.

CP02 Change in the address of a patent holder
CP01 Change in the name or title of a patent holder

Address after: No.2-4 building, Jinhe Water Affairs Institute, xishatun, Shahe Town, Changping District, Beijing

Patentee after: Beijing Jinhe Ecological Technology Co., Ltd

Address before: No.2-4 building, Jinhe Water Affairs Institute, xishatun, Shahe Town, Changping District, Beijing

Patentee before: Beijing Jinhe Environmental Protection Technology Co.,Ltd.

CP01 Change in the name or title of a patent holder