CN206069622U - Biological sewage treatment device - Google Patents
Biological sewage treatment device Download PDFInfo
- Publication number
- CN206069622U CN206069622U CN201490001112.2U CN201490001112U CN206069622U CN 206069622 U CN206069622 U CN 206069622U CN 201490001112 U CN201490001112 U CN 201490001112U CN 206069622 U CN206069622 U CN 206069622U
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- China
- Prior art keywords
- unit
- sludge
- denitrification
- pump
- nitrification
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- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
- C02F3/1273—Submerged membrane bioreactors
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
- C02F2103/365—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds from petrochemical industry (e.g. refineries)
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Activated Sludge Processes (AREA)
Abstract
This utility model is a kind of biological sewage treatment device, and described device is made up of denitrification unit, de-nitrification unit, film process unit, active sludge treatment unit, medicine unit；Denitrification unit, de-nitrification unit, film process unit and active sludge treatment unit are sequentially connected, and medicine unit is arranged in the bypass before denitrification unit.Processing equipment of the present utility model processes industry and sanitary sewage with biological treatment by membrane bioreactor (MBR) compound use physical chemistry；Oil refining is can be applicable to, chemistry, petrochemical industry, food industry, various industries such as government utility, it may also be used for water resource is recycled.This device can improve sewage treating efficiency, preferably go out denitrification and oxygen in the cyclic process of activated sludge；Without the need for second pond is built, ecological environment is improved.
Description
Technical field
This utility model is related to a kind of water treatment device, and the equipment passes through membrane bioreactor (MBR) compound use
Physical chemistry processes industry and sanitary sewage with biological treatment；Oil refining is can be applicable to, chemistry, petrochemical industry, food industry are public
The multiple fields such as industry of working together, it may also be used for water resource is recycled.
Background technology
Membrane bioreactor is considered as the developing direction of technical field of sewage most prospect now.According to front issue
According to the market scale of U.S.'s membrane bioreactor in 2013 is 500,000,000 dollars of (http://hydropark.ru/equipment/
membrane_bioreac-tor.htm).Membrane bioreactor is a kind of to be combined with activated sludge unit by film separation unit
New water technology.Film unit includes one or several casings, and each is by 3-48 hollow fiber film assembly or most
Many 200 flat membrane components.Hollow-fibre membrane is the macaroni yarn that a diameter of 2mm length is 2m；Flat membrane component is two-way frame
Structure, specification is 500 × 1600 × 15m in general.Film silk is that aperture is 0.03-0.1 with the surface of Flat Membrane in general
The ultrafilter membrane of micron.When membrane bioreactor sewage treatment is used, it generally processes line by one to several and constitutes, at each
The nitration denitrification area that reason line has oneself independent.
The technological process is as follows：Waste water flow into anaerobic-anoxic area (denitrification zone), there with biomass active sludge and
Medicament is sufficiently mixed.The nitrogen (NO3-N and NO2-N) of oxidised form will be reduced to molecular conformation in denitrification zone.Should be also
Former process occurs in the anoxic zone for lacking dissolved oxygen, and Microbial Communities in Activated Sludge will play a part of reducing agent.
Then the mud mixed liquid of denitrification flora enters nitrification aerobic zone through barrier film, there carries out intensive exposure
Gas, contains nitrifying bacteria community (Nitromonas and Nitrosomas) in activated sludge, ammonia nitrogen is oxidized to NO3-N and NO2-N.Rill
Aerator can provide the dissolved oxygen that concentration is 2-4mg/l.At this moment ammonium oxidation is NO3-N and NO2-N.Nitrification tank and storage
Film tank is connected, and in storage film tank is provided with phase separation membrane module, and for separation water and float, these float are mainly given birth to
Species activity sludge, then these activity sludge reflux denitrification ponds.Supplied by regeneration of the antipriming pipe for film.
The work efficiency of equipment is depending on the optimization ability to equipment zones of different dissolved oxygen concentration, therefore each technique
The quantity of the efficiency of (nitrification and denitrification) and oxidizable organic substrate, the measured value of BOD are relevant with the amount of dissolved oxygen.In anti-nitre
The amount of dirty gas dissolved water (oxygen and nitrogen) is reduced during change as far as possible should.In order to reach this purpose, we used
The improved membrane bioreactor MBR of structure, and improve its application in biological wastewater treatment process.
For example, existing biological treating equipment is 1 bioreactors of ULTRAFOR, and it is equipped with water purification feed pipe,
Aerating system, immersion filter and water purification drain pipe (referring to Degremont water process Manual Second Editions, page 917), but this sets
It is standby further to reduce its disposal ability as colloform texture deposit formed on film surface during use, it is therefore desirable to water
Further chemical treatment, so as to cause secondary wastewater to discharge.Moreover, the technique can not remove unnecessary nutrition in sewage into
Divide (nitrogen phosphorus etc.), do not reach discharge standard.
It is existing degree sewage disposal device (2009) it is the aeration tank by the storage collection groove for being connected to soil pipe, two
Heavy pond and the storage Ji Chi of activated sludge regulator composition.
The shortcoming of the equipment is the absence of anaerobic-anoxic process, thus is unable to depth and removes nitrogen and phosphorus, without anaerobic treatment
Phosphorus in activated sludge cannot be displaced in a large number then.
In technical spirit closest to solution required for protection be oil development platform and exploitation terminal make
Sewage-treatment plant, it is made up of biological processing unit and fine processing unit.Biological processing unit includes medicament group, most
Few two anaerobic-anoxic groups and two aerobic group, second pond and sludge compacting machine, auxiliary equipment (pump, measuring and controlling instrument table with set
It is standby), and pipeline, particularly ensure the pipeline of activity sludge reflux anaerobic-anoxic area (denitrification zone).It is deposited on second pond
Sludge, part backflow anaerobic-anoxic area, when second pond deposited excessive sludge, sludge can be collected in sludge compacting machine,
Further it is dehydrated afterwards and disposes.Biological treatment device can adjust its working procedure according to effluent quality, and medicament group then can
Working procedure according to setting gives denitrification zone dosing.
The shortcoming of the device is that effect is not enough, because the equipment can not be to sludge slurry degasification, thus when these sludge are followed again
Denitrifying speed is slow down when ring is to anaerobic zone.
Utility model content
The solution submitted to by submitter is a set of more effective sewage biological treatment system.
Technical problem is to make a set of sewage-treatment plant that nitrogen and oxygen preferably can be removed for recycled sludge,
The running more efficient to ensure processing system.
In order to achieve the above object, the scheme taken by this utility model is：
A kind of biological sewage treatment device, described device are dirty by denitrification unit, de-nitrification unit, film process unit, activity
Mud processing unit, medicine unit composition；Denitrification unit, de-nitrification unit, film process unit and active sludge treatment unit are successively
Connection, medicine unit are arranged in the bypass before denitrification unit；De-nitrification unit includes aerobic unit, bioreactor air blast
Machine, film process unit include membrane bioreactor storage membrane device, membrane bioreactor film case, membrane bioreactor aerator and anti-
Flusher, back purge system include reverse washing tank, clarified water pump, backwashing pump；The medicine unit includes reagent set and dosing
Pump；Active sludge treatment unit includes the sludge sump with emergency overflow system, sludge organism processing meanss, vacuum pump, sludge
Slurry deaerating tank, sludge slurry reflux pump, residual contamination pump and tube aerator, the sludge slurry reflux pump is by sludge slurry Jing tubular types
To denitrification unit, the sludge organism processing meanss are " Aeroklin " type activated-sludge processing apparatus to aerator Posterior circle.
" Aeroklin " type activated-sludge processing apparatus (such as Aeroklin-t used in sludge organism processing meanss
(RU73869,2008), Aeroklin-BIO (RU72691,2008), Aeroklin-t-B (RU2367619,2009)) as dirty
Mud degassing unit.
The characteristics of our proposed equipment is to be applied in combination membrane bioreactor MBR and " Aeroklin " type activated sludge
Processing meanss.A large number of experiments show that:Membrane bioreactor MBR is used alone and processes activated sludge, need film is carried out with air
Continuously process, and can so cause the sludge quality of recirculation to decline, so as to reduce the efficiency of denitrification process.
Description of the drawings
Fig. 1 is process flow diagram of the present utility model
Following labelling is used wherein：1-raw sewage pipeline；2-anaerobic-anoxic unit；3-aerobic unit；4-membrane biological reaction
Device stores membrane device；5-membrane bioreactor film case；6-reverse washing tank；7-outlet pipe；8-sludge slurry deaerating tank；9-sludge slurry flows back
Pump；10-clarified water pump；11-backwashing pump；12-residual sludge pump；14-bioreactor aerator；15-membrane bioreactor is roused
Blower fan；16-reagent set；17-sludge sump；18-sludge organism processing meanss；19-vacuum pump；20-dosing pump.
Specific embodiment
Device is made up of five big base components：
Denitrification unit：Anaerobic-anoxic unit 2；
De-nitrification unit (Aerobic Process for Treatment), including aerobic unit 3 (bioreactor) and bioreactor aerator 14；
Film process unit, including membrane bioreactor storage membrane device 4, are provided with membrane bioreactor film case 5, film life wherein
Thing reactor aerator 15 and back purge system, back purge system include reverse washing tank 6, clarified water pump 10, backwashing pump 11；
Active sludge treatment unit, which includes the sludge sump 17 with emergency overflow system, sludge organism processing meanss 18
(" Aeroklin " vacuum column), sludge slurry deaerating tank 8, residual contamination pump 12, tube aerator, sludge slurry reflux pump 9 and vacuum
Pump 19；
Medicine unit includes reagent set 16 and dosing pump 20
The device is used to process sanitary sewage, and which is provided with the percolation filter that garden aperture is 1-2mm before film process unit, uses
In protection hollow-fibre membrane.
Commercial Application
The workflow of present treatment equipment is as follows：Raw sewage Jing raw sewages pipeline after mechanical treatment and materializing strategy
1 flows into anaerobic-anoxic unit 2 (denitrification unit).The activated sludge of sludge slurry deaerating tank is pumped into by sludge slurry reflux pump 9 simultaneously
Anaerobic-anoxic unit 2.It is sufficiently mixed in this sewage and sludge.At this moment itrated compound therein is being restored to into nitrogen, while in medicament
In the presence of unit dose, by phosphorus, in the form of insoluble salt, sub-argument goes out.
Mud mixture pumps into aerobic unit 3 afterwards, in the presence of the oxygen that bioreactor aerator 14 is blasted, has
Machine thing is oxidized to carbon dioxide, and ammonia nitrogen is then oxidized to NO3-N and NO2-N, subsequently into being provided with membrane bioreactor
The membrane bioreactor storage membrane device 4 of film case 5 is further processed.For the regeneration of film is roused with membrane bioreactor there is provided a set of
The aerating system of the long-acting work of blower fan 15, water are pumped out from reverse washing tank 6 by backwashing pump 11, and backwash, and meeting are carried out to film
Chemical flush is carried out to film using sodium hypochlorite and citric acid periodically (without displaying in Fig. 1).
The sewage for processing is pumped to reverse washing tank 6, if there is overflow, then enters water body, further fine processing or
Secondary utilization.
Generally the sludge of circulation enters sludge organism processing meanss 18 (" Aeroklin " vacuum column) by sludge sump 17,
Vacuum column removes the gas that dissolves in sludge, then disposed to transmitting by 12 pump of residual sludge pump by sludge slurry deaerating tank 8 or
2 recirculation of anaerobic-anoxic unit is pumped into by sludge slurry reflux pump 9.
Sewage after denitrification cell processing is processed by independent bioreactor aerator 14 in aerobic unit 3,
Because the amount for blasting air can be according to the adjustment of the registration of the oxygen meter for being arranged on aerobic unit 3.
In Treatment of Refinery Wastewater, by the process of medicine unit dosing phosphoric acid make the phosphorus content of oil refinery waste water close to
Zero.If the regulation of related maximum permissible concentration, in order to remove remaining phosphorus, iron chloride or other flocculation agents are added to process.
Such as no enough oxidizable Organic substances in sewage, then add ethanol to maintain stablizing for denitrification process.
Show the application of industry with the example below：
The sewage that need to be processed is the mixed liquor of the rainwater that the first second pipe of oil plant system is discharged and production waste.Jing machines
After tool process and materializing strategy, pumped into by HPP " Biotechprogress " and " EKOLOS " pipeline company with the flow of 200l/h
With in the equipment for processing industrial sewage that the solution of the present invention builds.Mud mixture cumulative volume in equipment is 1.79m3, wherein：
Anaerobic-anoxic unit 0.29m3, Aeration tank 0.76m3, film tank 0.5m3, sludge sump 0.24m3.In membrane bioreactor during startup
It is middle add the existing sewage treatment plant's one-level biological treatment device of oil plant activated sludge when, add meter in processed sewage
The phosphoric acid for 1mg/l is measured, iron chloride of the metering as 8mg/l is added in the form of anhydrous salt in the activated sludge of circulation.In experiment
The activated sludge that equipment has been carried out 30 days by a definite date adapts to experiment.
On the same day for starting to test, in equipment, the concentration of activated sludge is 5.9g/l, and dust burdening ash is 0.16, in reactor
In mud mixture temperature be 23 DEG C.Raw water component is (before adding reagent) total BOD-61.3mg/l；COD–198mg/
l；Suspended solid -61mg/l；Petroleum-type -15mg/l；Ammonia nitrogen -12.4mg/l；Nitrate nitrogen content -0.26mg/l；Nitrite
Nitrogen content -0.09mg/l；Phenol -1.25mg/l；Sulfide -3.3mg/l；Phosphate content -0.06mg/l；pH-7.3.
The activated sludge that membrane device outflow is store by membrane bioreactor has following characteristics parameter：The concentration of dissolved oxygen-
6.14mg/l, sludge index -88cm3/g.Jing after " Aeroklin " degassing system is processed, activated sludge characteristic parameter is as follows：It is molten
Concentration-the 3.61mg/l, sludge index -67.6cm3/g of solution oxygen.This proves that " Aeroklin " is eliminated and adsorbs in the form of bubbles
All gas on sludge floc, and the dissolved oxygen of the overwhelming majority, and there is not same effect using similar techniques yet
Really.
The characteristic index of purified water is as follows：Total BOD-3.13mg/l；COD–62mg/l；Suspended solid -0.1mg/l；Oil
Class -0.53mg/l；Ammonia nitrogen -0.34mg/l；Content-the 5.9mg/l of the nitrogen in nitrate；Nitrogen content in nitrite-
0.01mg/l；Phenol -0.009mg/l；Hydrogen sulfide-nothing；Phosphorus content -0.15mg/l in phosphate；pH-6.9.
Therefore almost completely to activated sludge degassing while application present invention energy efficient sewerage processing, so that locating at ordinary times
Reason efficiency improves 20%.
Claims (1)
1. a kind of biological sewage treatment device, described device is by denitrification unit, de-nitrification unit, film process unit, activated sludge
Processing unit, medicine unit composition；Denitrification unit, de-nitrification unit, film process unit and active sludge treatment unit connect successively
Connect, medicine unit is arranged in the bypass before denitrification unit；De-nitrification unit includes aerobic unit (3), bioreactor drum
Blower fan (14), film process unit include membrane bioreactor storage membrane device (4), membrane bioreactor film case (5), membrane bioreactor
Aerator (15) and back purge system, back purge system include reverse washing tank (6), clarified water pump (10), backwashing pump (11)；Institute
Stating medicine unit includes reagent set (16) and dosing pump (20)；Characterized in that, active sludge treatment unit is included with urgent
The sludge sump (17) of overflow system, sludge organism processing meanss (18), vacuum pump (19), sludge slurry deaerating tank (8), sludge slurry are returned
Stream pump (9), residual contamination pump (12) and tube aerator, the sludge slurry reflux pump (9) is by sludge slurry Jing tube aerators
To denitrification unit, the sludge organism processing meanss (18) are " Aeroklin " type activated-sludge processing apparatus to Posterior circle.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2013139128 | 2013-08-21 | ||
| RU2013139128 | 2013-08-21 | ||
| PCT/RU2014/000618 WO2015026269A1 (en) | 2013-08-21 | 2014-08-19 | Installation for biological treatment of wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206069622U true CN206069622U (en) | 2017-04-05 |
Family
ID=52483951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201490001112.2U Expired - Fee Related CN206069622U (en) | 2013-08-21 | 2014-08-19 | Biological sewage treatment device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206069622U (en) |
| WO (1) | WO2015026269A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109970195A (en) * | 2019-04-16 | 2019-07-05 | 凌志环保股份有限公司 | A kind of integrated waste water treating tank of the integrated form using Pall oxidation ditch |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731739A (en) * | 2016-05-07 | 2016-07-06 | 长春工业大学 | Comprehensive treatment method for wastewater generated by ABS resin production |
| CN105819633A (en) * | 2016-05-30 | 2016-08-03 | 安庆丰源化工有限公司 | Method for chemical wastewater treatment |
| CN107673474A (en) * | 2017-07-11 | 2018-02-09 | 河北蓝达环保工程有限公司 | The MBR integration apparatus of denitrogenation dephosphorizing is realized using heavy Water fan and sludge reflux |
| CN108069572B (en) * | 2018-02-12 | 2024-03-08 | 广东洁林环境治理有限公司 | MBR integrated printing and dyeing wastewater treatment equipment and application method thereof |
| CN110563283A (en) * | 2019-10-12 | 2019-12-13 | 昆明金泽实业有限公司 | Air stripping formula backward flow integrates MBR sewage treatment device |
| CN111138038B (en) * | 2020-01-17 | 2024-02-13 | 生态环境部华南环境科学研究所 | Photovoltaic-driven rural domestic sewage integrated treatment system and treatment method |
| CN112174318A (en) * | 2020-08-21 | 2021-01-05 | 兰州理工大学 | Integrated device of solar photovoltaic power generation combined membrane bioreactor |
| CN115432882A (en) * | 2022-07-26 | 2022-12-06 | 中国石油化工股份有限公司 | Short-process closed treatment method for oil refining sewage |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6743362B1 (en) * | 2002-06-17 | 2004-06-01 | Enviroquip Inc. | Sewage treatment process |
| RU2351551C1 (en) * | 2008-04-01 | 2009-04-10 | Открытое Акционерное Общество-Ордена Трудового Красного Знамени Комплексный Научно-Исследовательский И Конструкторско- Технологический Институт Водоснабжения, Канализации, Гидротехнических Сооружений И Инженерной Гидрогеологии (Оао "Нии Водгео") | Method for purification of sewage from organic compounds, nitrogen and phosphorus |
| RU124674U1 (en) * | 2011-09-30 | 2013-02-10 | Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации | WASTE WATER TREATMENT SYSTEM FOR OIL AND GAS PRODUCING PLATFORMS AND TERMINALS |
| CN202430092U (en) * | 2011-12-28 | 2012-09-12 | 广州市市政工程设计研究院 | Device for OAAO+MBR (membrane biological reactor) denitrification and dephosphorization sewage treatment process |
-
2014
- 2014-08-19 WO PCT/RU2014/000618 patent/WO2015026269A1/en active Application Filing
- 2014-08-19 CN CN201490001112.2U patent/CN206069622U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109970195A (en) * | 2019-04-16 | 2019-07-05 | 凌志环保股份有限公司 | A kind of integrated waste water treating tank of the integrated form using Pall oxidation ditch |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015026269A1 (en) | 2015-02-26 |
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