CN109052803A - Rain dirt integrated processing technique - Google Patents
Rain dirt integrated processing technique Download PDFInfo
- Publication number
- CN109052803A CN109052803A CN201810750592.7A CN201810750592A CN109052803A CN 109052803 A CN109052803 A CN 109052803A CN 201810750592 A CN201810750592 A CN 201810750592A CN 109052803 A CN109052803 A CN 109052803A
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- mbr
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- rain dirt
- processing technique
- integrated processing
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F2103/001—Runoff or storm water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Treatment Of Biological Wastes In General (AREA)
Abstract
The present invention relates to rain dirt integrated processing techniques, it is mixed with sanitary sewage and miscellaneous drainage by pipe-line mixer after including the following steps: rainwater conflux menarche rain water drainage, subsequently into A+MBR integrated treatment unit, by A+MBR integrated treatment unit, treated that water outlet mixes with disinfection sanitizer progress sterilizing processing.Compared with prior art, rain dirt integrated processing technique provided by the invention, there is higher removal rate to the coloration in rainwater and sanitary sewage, BOD, ammonia nitrogen, turbidity, effluent quality is good, process flow is simple, and cost is relatively low for Construction and operation, can be realized full-automation, it manages and maintains at low cost, considerable environmental benefit can be brought.
Description
Technical field
The invention belongs to water-treatment technology fields, more particularly, to rain dirt integrated processing technique.
Background technique
Water is one of the most important material conditions that human society is depended on for existence, state of the China as a water scarcity
Family, water resources ownership per capita are 273 cubic metres, only the 1/4 of world occupancy volume per person, and water scarcity, which has become, restricts me
An important factor for state's urban sustainable development.Wherein water source one of of the rainwater as city undrinkable water, due to the season of rainfall
Property, if handling rainwater merely, the operation of processing system will be it is discontinuous, cause the service efficiency of processing system not high.
It is effectively treated together as can rainwater is effectively combined with miscellaneous drainage, sanitary sewage, can continuously provide and meet reclaimed water water
The recycled water of matter standard achievees the purpose that rainwater recycle utilizes, reduces sewage discharge and save municipal water.
Summary of the invention
Technical problem to be solved by the present invention lies in the discontinuities for overcoming rainwater seasonality to cause rainwater recycling system
And the disadvantage that conventional treatment process effluent quality is not high, rainwater is mixed after pretreatment respectively with sanitary sewage and miscellaneous drainage
By rain dirt integrated processing technique, suspended solid in water, CODcr, BOD, nitrogen, phosphorus is effectively reduced, processing water outlet is better than city
Miscellaneous water water quality requirement meets higher reuse water quality requirement, processing system continuously-running, high degree of automation, operation and maintenance
It is convenient.
The purpose of the present invention can be achieved through the following technical solutions:
Rain dirt integrated processing technique, includes the following steps:
It is mixed with sanitary sewage and miscellaneous drainage by pipe-line mixer after rainwater conflux menarche rain water drainage, subsequently into
A+MBR integrated treatment unit, by A+MBR integrated treatment unit, treated that water outlet is mixed with disinfection sanitizer and killed
Bacterium disinfection treatment.
The early-stage rainwater stream abandoning can be used various initial Split-flow devices in this field and carry out, preferably using complete in the present invention
Automatic fitration type rainwater flow-discarding device.
A represents A sections of reactors in the A+MBR integrated treatment unit, and hydrolysis, acidification reaction occurs in A sections of reactors,
Using the process of facultative aerobe acidification hydrolization, the macromolecular hardly degraded organic substance in mixed liquor is further broken into solubility herein
Small organic molecule, so that the biodegradability of rain dirt mixed liquor be made to further increase.
Rain dirt mixed liquor stops 1~2 hour in A sections of reactors.Under anoxia condition, by hydrolyzing, being acidified, it can increase mixed
The biodegradability for closing liquid, is conducive to subsequent Aerobic Process for Treatment, using the process of facultative aerobe acidification hydrolization, by the macromolecular in mixed liquor
Hardly degraded organic substance is further broken into soluble small organic molecule herein, to keep the biodegradability of rain dirt mixed liquor further
It improves.Denitrifying bacteria just utilizes in MBR sections of reactors and flows back and bring nitrate through mixed liquor in A sections of reactors, with
And organic matter in mixed liquor carries out denitrification, achievees the purpose that while carbon elimination and denitrogenation.A sections of reactors can reduce surplus simultaneously
Remaining sludge discharge.
MBR represents MBR sections of reactors in the A+MBR integrated treatment unit, and sludge concentration relatively passes in MBR sections of reactors
The activated sludge process of system is higher by 3-5 times, and sludge concentration reaches 8~12g/l, is made in reactor by the aerobic microbiological of high activity
With making most of pollutant be degraded in MBR sections of reactors, while ammonia nitrogen and organic nitrogen are oxidized to nitrate and nitrous acid
Salt, and be back in A sections of reactors.
The MBR film that the MBR sections of reactor uses for combined flat plate film, cancel in classic flat-plate film by combined flat plate film
Support plate, save material cost about 50%, occupied area can be reduced.It is cleaned using two-way short distance, cleaning frequency membrane is low, cleans
It is easy to operate, but diaphragm individual replacement.
Rain dirt mixed liquor stops 3~4 hours in MBR sections of reactors.
A+MBR integrated treatment unit is rain dirt integrated processing technique processing core unit.The conventional process work of rain dirt
Skill is mostly A/O technique (contact oxidation method)+precipitating+coagulation and filtration, and A+MBR integrated treatment unit is in conventional processes
The advantages of replacing O sections, heavy and tertiary treatment using MBR film, more effectively combine AO method denitrogenation dephosphorizing.Without any chemistry
Adding of agent.
The disinfection sanitizer dosage is 0.2~0.5mg/L.
The disinfection sanitizer is organic chloride aluminium ECH-98.Organic chloride aluminium ECH-98 is commercial goods, manufacturer
For Shanghai Emperor of Cleaning Tech. Co., Ltd..The ECH-98 is added after the processing water outlet of A+MBR integrated apparatus, and described kills
The time of bacterium disinfection treatment is preferably 0.5h~1.0h.
Treated rain sewage quality can meet turbidity≤3NTU, BOD5≤5mg/l, ammonia nitrogen≤5mg/l in the present invention,
Effluent quality is substantially better than GB/T 18920-2002 " urban sewage reutilization urban reclaimed water water quality " requirement.
Compared with prior art, the present invention has the following advantages and beneficial effects:
1, water quality treatment is excellent, stable water outlet, SS < 3mg/L, simultaneously can bacterium and Escherichia coli in trap water；
2, sludge sludge age is long, and so as to greatly improve the removal rate of hardly degraded organic substance, water outlet COD is lower；
3, it can be run under the conditions of high volumetric loading, low sludge loading, long sludge age, generation surplus sludge volume is few, thus
Reduce the expense of sludge treatment facilities；
4, device height is integrated, and occupied area is small, high degree of automation, management easy to maintain；
5, low-pressure suction is discharged, and system working pressure is small, and power consumption is low；
6, process flow is short, and effluent quality is good, is conducive to long-time steady operation；
7, module design facilitates enlarging.
Detailed description of the invention
Fig. 1 is the flow diagram of 1 moderate rain dirt integrated processing technique of embodiment.
Specific embodiment
With reference to Fig. 1, rain dirt integrated processing technique includes the following steps:
After rainwater conflux, handled using Full-automatic filter type rainwater flow-discarding device, wherein abandoned stream rainwater is discharged into municipal rainwater
Pipe network mixes after rainwater conflux menarche rain water drainage with sanitary sewage and miscellaneous drainage by pipe-line mixer, subsequently into A+
MBR integrated treatment unit, by A+MBR integrated treatment unit, treated that water outlet mixes with disinfection sanitizer and (generally exists
Mixed in filtered water tank) carry out sterilizing processing, water outlet can be used for flushing the toilet, road-cleaning, fire-fighting, urban afforestation, vehicle
Flushing, construction, cooling tower moisturizing, ornamental value and recreational landscape water.
The early-stage rainwater stream abandoning can be used various initial Split-flow devices in this field and carry out, preferably using complete in the present invention
Automatic fitration type rainwater flow-discarding device, wherein abandoned stream rainwater is discharged into municipal Storm Sewer Network.
Wherein, A represents A sections of reactors in A+MBR integrated treatment unit, and hydrolysis, acidification occur in A sections of reactors instead
It answers, using the process of facultative aerobe acidification hydrolization, the macromolecular hardly degraded organic substance in mixed liquor is further broken into herein can
Dissolubility small organic molecule, so that the biodegradability of rain dirt mixed liquor be made to further increase.Rain dirt mixed liquor stops in A sections of reactors
It stays 1~2 hour.Under anoxia condition, by hydrolyzing, being acidified, the biodegradability of mixed liquor can be increased, be conducive to subsequent aerobic place
Reason, using the process of facultative aerobe acidification hydrolization, the macromolecular hardly degraded organic substance in mixed liquor is further broken into herein can
Dissolubility small organic molecule, so that the biodegradability of rain dirt mixed liquor be made to further increase.Denitrifying bacteria is just in A sections of reactors
Using flowing back in MBR sections of reactors through mixed liquor and organic matter in bring nitrate and mixed liquor carries out denitrification, reach
To the purpose of carbon elimination and denitrogenation simultaneously.A sections of reactors can reduce excess sludge discharge amount simultaneously.
MBR represents MBR sections of reactors in the A+MBR integrated treatment unit, and MBR sections of reactors are exposed using air blower
Gas, the more traditional activated sludge process of sludge concentration is higher by 3-5 times in MBR sections of reactors, and sludge concentration reaches 8~12g/l, reaction
Most of pollutant is set to be degraded in MBR sections of reactors by the aerobic microbiological effect of high activity in device, while ammonia nitrogen
It is oxidized to NO3-N and NO2-N with organic nitrogen, and is back in A sections of reactors.The MBR film that the MBR sections of reactor uses
For combined flat plate film, combined flat plate film cancels the support plate in classic flat-plate film, saves material cost about 50%, can reduce
Occupied area.Using two-way short distance clean, cleaning frequency membrane is low, cleaning operation is convenient, but diaphragm individual replace.Rain dirt mixed liquor
It is stopped 3~4 hours in MBR sections of reactors.
A+MBR integrated treatment unit is rain dirt integrated processing technique processing core unit.The conventional process work of rain dirt
Skill is mostly A/O technique (contact oxidation method)+precipitating+coagulation and filtration, and A+MBR integrated treatment unit is in conventional processes
The advantages of replacing O sections, heavy and tertiary treatment using MBR film, more effectively combine AO method denitrogenation dephosphorizing.Without any chemistry
Adding of agent.
The disinfection sanitizer dosage is 0.2~0.5mg/L.The disinfection sanitizer is organic chloride aluminium ECH-98.
Organic chloride aluminium ECH-98 is commercial goods, and manufacturer is Shanghai Emperor of Cleaning Tech. Co., Ltd..The ECH-98 is in A+
It is added after the processing water outlet of MBR integrated apparatus, the time of the sterilizing processing is preferably 0.5h~1.0h.
Treated rain sewage quality can meet turbidity≤3NTU, BOD5≤5mg/l, ammonia nitrogen≤5mg/l in the present invention,
Effluent quality is substantially better than GB/T 18920-2002 " urban sewage reutilization urban reclaimed water water quality " requirement.
GB/T 18920-2002 " urban sewage reutilization urban reclaimed water water quality " requirement: coloration≤30 times, BOD5≤
10mg/L, turbidity≤5NTU, NH3-N≤10mg/L.
In following embodiments, coloration, BOD5, turbidity, ammonia nitrogen detection method press national standard execution:
Colorimetric detection standard is GB/T 11903-1989 (measurement water quality coloration)；
BOD examination criteria is GB 7488-87 (water quality five-day BOD BOD5)；
Turbidity measurement standard is GB/T5750 (water by Spectrophotometry matter turbidity)；
Ammonia nitrogen examination criteria is GB/T5750 (reagent colorimetric method measurement Water quality ammonia nitrogen)；
Fungicide ECH-98: Shanghai Emperor of Cleaning Tech. Co., Ltd..
Embodiment 1
The rainwater and sanitary sewage generate to certain office building has carried out trial production test (technique is shown in Fig. 1).
(1) rainwater is collected by rain pipe, through Full-automatic filter type rainwater flow-discarding device carry out initial Split-flow after with life
Enter A+MBR integrated treatment unit after sewage mixing.
(2) sanitary sewage is collected by sewage drainage pipe network to septic tank, and septic tank clarified solution is discharged through mechanical grille mistake
Enter A+MBR integrated treatment unit after mixing after filter with rainwater.
(3) the dirty mixed water quality of rain: coloration is 100 times, BOD5 140mg/L, and turbidity 50NTU, NH3-N are
80mg/L。
(4) rain sewage enters A+MBR integrated treatment unit, stops 1 hour first in A sections of reactors, anti-at MBR sections
Device is answered to stop 3 hours, rear to add disinfection sanitizer ECH-98 progress sterilizing processing by chemicals dosing plant, disinfection sanitizer is thrown
Dosage is 0.5mg/L, disinfection time 30min, and water outlet enters clear water reserviors and stores.
Start and operation result is shown, the system run all right, treatment effect is fine.
It being detected, the water quality coloration handled well is 25 times, BOD5 4mg/L, turbidity 2.5NTU, NH3-N 3mg/L,
Reach GB/T 18920-2002 " urban sewage reutilization urban reclaimed water water quality " requirement.
Embodiment 2
The rainwater and sanitary sewage generate to certain City complex has carried out trial production test (technique is shown in Fig. 1).
(1) rainwater is collected by rain pipe, through Full-automatic filter type rainwater flow-discarding device carry out initial Split-flow after with life
Enter A+MBR integrated treatment unit after sewage mixing.
(2) sanitary sewage is collected by sewage drainage pipe network to septic tank, and septic tank clarified solution is discharged through mechanical grille mistake
Enter A+MBR integrated treatment unit after mixing after filter with rainwater.
(3) the dirty mixed water quality of rain: coloration is 120 times, BOD5 200mg/L, and turbidity 80NTU, NH3-N are
120mg/L。
(4) rain sewage enters A+MBR integrated treatment unit, stops 2 hours first in A sections of reactors, anti-at MBR sections
Device is answered to stop 4 hours, rear to add disinfection sanitizer ECH-98 progress sterilizing processing by chemicals dosing plant, disinfection sanitizer is thrown
Dosage is 0.5mg/L, disinfection time 50min, and water outlet enters clear water reserviors and stores.
Start and operation result is shown, the system run all right, treatment effect is fine.
It is detected, the water quality coloration handled well is 28 times, BOD5 4.6mg/L, turbidity 3NTU, NH3-N 4.8mg/
L reaches GB/T 18920-2002 " urban sewage reutilization urban reclaimed water water quality " requirement.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
Claims (9)
1. rain dirt integrated processing technique, which is characterized in that include the following steps:
It is mixed with sanitary sewage and miscellaneous drainage by pipe-line mixer after rainwater conflux menarche rain water drainage, subsequently into A+
MBR integrated treatment unit, by A+MBR integrated treatment unit, treated that water outlet is mixed with disinfection sanitizer and sterilized
Disinfection treatment.
2. rain dirt integrated processing technique according to claim 1, which is characterized in that the early-stage rainwater stream abandoning uses initial stage
Flow abandoning apparatus carries out, it is preferred to use Full-automatic filter type rainwater flow-discarding device.
3. rain dirt integrated processing technique according to claim 1, which is characterized in that the A+MBR integrated treatment unit
Middle A represents A sections of reactors, hydrolysis occurs in A sections of reactors, acidification reaction will be mixed using the process of facultative aerobe acidification hydrolization
Macromolecular hardly degraded organic substance in liquid is further broken into soluble small organic molecule herein.
4. rain dirt integrated processing technique according to claim 3, which is characterized in that rain dirt mixed liquor is in A sections of reactors
It stops 1~2 hour.
5. rain dirt integrated processing technique according to claim 1, which is characterized in that the A+MBR integrated treatment unit
Middle MBR represents MBR sections of reactors, and being acted in reactor by the aerobic microbiological of high activity makes most of pollutant at MBR sections
It is degraded, while ammonia nitrogen and organic nitrogen are oxidized to NO3-N and NO2-N, and is back in A sections of reactors in reactor.
6. rain dirt integrated processing technique according to claim 5, which is characterized in that the MBR that the MBR sections of reactor uses
Film is combined flat plate film.
7. rain dirt integrated processing technique according to claim 5, which is characterized in that rain dirt mixed liquor is in MBR sections of reactors
It is middle to stop 3~4 hours.
8. rain dirt integrated processing technique according to claim 1, which is characterized in that the disinfection sanitizer dosage is
0.2~0.5mg/L.
9. rain dirt integrated processing technique according to claim 1, which is characterized in that the disinfection sanitizer is organic chloride
Aluminium ECH-98.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810750592.7A CN109052803A (en) | 2018-07-10 | 2018-07-10 | Rain dirt integrated processing technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810750592.7A CN109052803A (en) | 2018-07-10 | 2018-07-10 | Rain dirt integrated processing technique |
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| Publication Number | Publication Date |
|---|---|
| CN109052803A true CN109052803A (en) | 2018-12-21 |
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ID=64819356
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| CN201810750592.7A Pending CN109052803A (en) | 2018-07-10 | 2018-07-10 | Rain dirt integrated processing technique |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115490331A (en) * | 2022-10-24 | 2022-12-20 | 中国电建集团华东勘测设计研究院有限公司 | Urban polluted rainwater SBBR treatment device and treatment method for introducing domestic sewage |
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|---|---|---|---|---|
| CN101781058A (en) * | 2009-11-26 | 2010-07-21 | 宇星科技发展(深圳)有限公司 | AO-MBR sewage treatment process and device |
| CN103183426A (en) * | 2011-12-30 | 2013-07-03 | 王炜 | Roof rainwater recovery treatment process |
| CN103485409A (en) * | 2013-08-11 | 2014-01-01 | 深圳市文浩建材科技有限公司 | Comprehensive processing and utilizing system for rainwater and domestic sewage |
| CN203487015U (en) * | 2013-09-29 | 2014-03-19 | 南京信息工程大学 | Sewage treatment system |
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2018
- 2018-07-10 CN CN201810750592.7A patent/CN109052803A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781058A (en) * | 2009-11-26 | 2010-07-21 | 宇星科技发展(深圳)有限公司 | AO-MBR sewage treatment process and device |
| CN103183426A (en) * | 2011-12-30 | 2013-07-03 | 王炜 | Roof rainwater recovery treatment process |
| CN103485409A (en) * | 2013-08-11 | 2014-01-01 | 深圳市文浩建材科技有限公司 | Comprehensive processing and utilizing system for rainwater and domestic sewage |
| CN203487015U (en) * | 2013-09-29 | 2014-03-19 | 南京信息工程大学 | Sewage treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115490331A (en) * | 2022-10-24 | 2022-12-20 | 中国电建集团华东勘测设计研究院有限公司 | Urban polluted rainwater SBBR treatment device and treatment method for introducing domestic sewage |
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Application publication date: 20181221 |