CN105502815B - A kind of sludge drying condensation method for treating water - Google Patents
A kind of sludge drying condensation method for treating water Download PDFInfo
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- CN105502815B CN105502815B CN201510908293.8A CN201510908293A CN105502815B CN 105502815 B CN105502815 B CN 105502815B CN 201510908293 A CN201510908293 A CN 201510908293A CN 105502815 B CN105502815 B CN 105502815B
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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
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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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
- 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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
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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
- 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
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/341—Consortia of bacteria
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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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)
- Treatment Of Sludge (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
Sludge drying condenses method for treating water, 1) regulating reservoir pre-processes, condensed water raw water initially enters regulating reservoir, and time enough is stopped in regulating reservoir makes condensed water water temperature drop to temperature i.e. 20 38 DEG C for being suitble to microbial growth, in favor of subsequent biological treatment；It needs to carry out weakly acidic pH range of the adjusting of pH value 58 in regulating reservoir simultaneously；2) regulating reservoir water outlet enters anaerobic reactor progress anaerobic fermentation, and the biogas that anaerobic reaction generates enters marsh gas treatment device and handled, and sewage enters biological selector, and the sludge of generation enters sludge concentration tank and handled；3) sanitary sewage is added while anaerobic reactor is intake；4) activated sludge that the sewage after anaerobic fermentation enters after biological selector with reflux is sufficiently mixed here；5) biological selector water outlet is reacted into sequencing batch biofilm reactor, and reactor water outlet carries out disinfection processing into high-concentrated ozone reactor, and sludge enters after concentration basin is handled to be handled with dewaterer.
Description
Technical field
The invention belongs to method for treating water fields, and in particular to a kind of effective processing sludge drying condensation water process side
Method.
Background technology
With the development of industry and city, sludge is sharply increased as the by-product yield of sewage disposal, substantial amounts
The processing urgent problem to be solved of sludge.
Sludge contains the nutrients such as abundant organic matter and nitrogen, phosphorus, potassium, has great agriculture and forestry, soil modification etc.
Utility value.Sludge drying processing transmits the moisture evaporation made in sludge by thermal energy, and sludge volume can be greatly reduced, and drops
Lower the costs such as sets, transports, storing while taking out pathogen contained in sludge.But sludge drying will produce it is a large amount of cold
Solidifying waste water, the main cooling water etc. for including the condensed water generated in technical process and being generated in dry temperature-fall period.Due to high temperature
Process can make the microbial lytic in sludge, the hydrolysis of the macromolecular substances such as fat, protein discharge a large amount of volatile materials,
So that containing a large amount of ammonia nitrogen and organic matter in condensed water.At present to sludge drying condense method for treating water, especially it is high-quality go out
The research and development of the bioremediation of water are still in infancy, and one of critical issue is sludge drying condensed water water quality group
At more special.Many macroelements and micro during normal conditions system sludge drying condensate temperature is higher, pH is relatively low and sludge
The content deficiency of element can affect to the growth of microorganism.
Invention content
The object of the present invention is to propose a kind of method of effective processing sludge drying condensed water.This method flow is simple
Treatment effeciency is high and operating cost is low that secondary pollution problem is not present.
The technical scheme is that：Sludge drying condensate processor, it is characterised in that be equipped with regulating reservoir and anaerobism
Reactor is connected, and the biogas generated in anaerobic reactor is connected with marsh gas treatment device, and anaerobic reactor mud discharging mouth and sludge are dense
Contracting pond is connected, and anaerobic reactor water outlet is connected with biological selector, while entering anaerobic reactor equipped with sanitary sewage all the way；
Anaerobic reactor is connected with biological selector, and biological selector is connected with sequencing batch biofilm reactor, batch-type membrane bioreaction
Device water outlet is answered to be connected with high-concentrated ozone reactor, anaerobic reactor mud discharging mouth is connected with sludge concentration tank, sludge concentration tank
Mud discharging mouth is connected with dewaterer, supernatant outlet is connected with regulating reservoir；High-concentrated ozone reactor is connected with reuse pool.
The technical scheme is that：Sludge drying condenses method for treating water, includes the following steps：
(1) adjusting of the regulating reservoir of system leading portion setting for the cooling and pH of condensed water；Regulating reservoir pre-processes, condensed water
Raw water initially enters regulating reservoir, in regulating reservoir stop time enough (it is also different depending on season different time, heat pump skill can be used
Art draw heat carries out using energy source) make condensed water water temperature drop to the temperature for being suitble to microbial growth, such as 20-38 DEG C,
In favor of subsequent biological treatment.The adjusting for needing the progress pH value in regulating reservoir simultaneously, if pH value is in the weakly acidic pH model of 5-8
It encloses, to prevent too low pH value from influencing the activity of microorganism.
(2) regulating reservoir water outlet enters anaerobic reactor progress anaerobic fermentation, and the biogas that anaerobic reaction generates enters at biogas
Reason device is handled, and sewage enters biological selector, and the sludge of generation enters sludge concentration tank and handled.
(3) sanitary sewage is added while anaerobic reactor is intake, to provide the inorganic salts and phase needed for microorganism growth
Close nutrient.
(4) activated sludge that the sewage after anaerobic fermentation enters after biological selector with reflux is sufficiently mixed here,
Enable a large amount of microorganism tablings of reflux are excellent to induce highly active microorganism species, in favor of subsequent biological treatment.
(5) biological selector water outlet is reacted into sequencing batch biofilm reactor, and reactor water outlet enters high concentration
Ozone reactor carries out disinfection processing, and sludge is handled after entering concentration basin processing with dewaterer.
(6 regulating reservoirs, anaerobic reactor, biological selector, sequencing batch biofilm reactor escape pipe and exhaust fan phase
Even, then it is connected with deodorization device.
(7) anaerobic reactor, biological selector, sequencing batch biofilm reactor sludge enter at sludge concentration tank
Reason, treated, and sludge enters dewaterer is handled.
With anaerobic reactor input end be arranged sanitary sewage water inlet pipe, for supplement microorganism growth needed for inorganic salts and
Relationship with other Nutrient Elements.
Biological selector is set in sequencing batch biofilm reactor front end, keeps a large amount of microorganisms of reflux winning bad
It eliminates, induces highly active microorganism species, to increase the adaptability of microorganism in follow-up facility.
The escape pipe and exhaust fan of the regulating reservoir, anaerobic reactor, biological selector, sequencing batch biofilm reactor
It is connected, is then connected with deodorization device.
The anaerobic reactor, biological selector, sequencing batch biofilm reactor sludge enter sludge concentration tank into
Row processing, treated, and sludge enters dewaterer is handled.
Sludge concentration tank supernatant outlet pipe and dewaterer filtrate exit pipe are connected with regulating reservoir.
Dirt is effectively treated to reach by proposing that a kind of sludge drying condenses method for treating water in beneficial effects of the present invention
The effect of mud desiccation condensed water, the technological process is simple, while efficiently solving that condensate temperature is excessively high, and pH is relatively low, and in water
The problem of lacking the Relationship with other Nutrient Elements needed for inorganic salts and microorganism growth, while considerable amount of sanitary wastewater can be handled,
Capacity usage ratio is high, has the characteristics that not generate secondary pollution.
Description of the drawings
Fig. 1 is the process flow diagram that sludge of the present invention condenses method for treating water.
Specific implementation mode
Following further describes the present invention with reference to the drawings.
A kind of effective sludge drying condensation method for treating water, regulating reservoir is connected with anaerobic reactor, in anaerobic reactor
The biogas of generation is connected with marsh gas treatment device, and mud discharging mouth is connected with sludge concentration tank, water outlet and biological selector mutually together with
When have all the way sanitary sewage enter anaerobic reactor.Anaerobic reactor is connected with biological selector, biological selector and batch-type
Biofilm reactor is connected, and sequencing batch membrane bioreactor water outlet is connected with high-concentrated ozone reactor, mud discharging mouth and sludge
Concentration basin is connected, and sludge concentration tank mud discharging mouth is connected with dewaterer, supernatant outlet is connected with regulating reservoir.High concentration anaerobic reaction
Device is connected with reuse pool.
The sludge drying condenses method for treating water, and cooling and pH of the regulating reservoir for condensed water is arranged in system leading portion
It adjusts.
Sanitary sewage water inlet pipe is arranged in the anaerobic reactor input end, for supplementing the inorganic salts needed for microorganism growth
And Relationship with other Nutrient Elements.
The biological selector enables a large amount of microorganisms of reflux to select the superior and eliminate the inferior, and induces highly active microorganism
Flora is in favor of follow-up Aerobic Process for Treatment.
The escape pipe and exhaust fan of the regulating reservoir, anaerobic reactor, biological selector, sequencing batch biofilm reactor
It is connected, is then connected with deodorization device.
The sludge drying condenses method for treating water, it is characterised in that the anaerobic reactor, biological selector, sequence
The sludge of batch biofilm reactor enters sludge concentration tank and is handled, and treated, and sludge enters dewaterer is handled.
The sludge drying condenses method for treating water, it is characterised in that sludge concentration tank supernatant outlet pipe and dewaterer
Filtrate exit pipe is connected with regulating reservoir.
The sludge drying condenses method for treating water, it is characterised in that sludge concentration tank supernatant outlet pipe and dewaterer
Filtrate exit pipe is connected with regulating reservoir.
A kind of effective processing sludge drying condensation method for treating water, includes the following steps：
(1) regulating reservoir pre-processes
Condensed water raw water initially enters regulating reservoir, in regulating reservoir stop time enough make condensed water water temperature drop to fit
The temperature for closing microbe survival, such as 20-38 DEG C, in favor of subsequent biological treatment.Since sludge drying condensed water pH is usually inclined
It is low, and too low pH can influence the bioactivity of activated sludge, it is therefore desirable to the adjusting that pH is carried out in regulating reservoir, as pH value exists
The weakly acidic pH range of 5-8 makes the pH of condensed water be maintained in the range of suitable microorganism growth.Condensed water raw water initially enters tune
Pond is saved, time enough is stopped in regulating reservoir makes condensed water water temperature drop pass through heat pump radiator progress absorbing and cooling temperature.
(2) regulating reservoir water outlet enters anaerobic reactor progress anaerobic fermentation, and the biogas that anaerobic reaction generates enters at biogas
Reason device is handled, and sewage enters biological selector, and the sludge of generation enters sludge concentration tank and handled.
(3) due to many micronutrient levels deficiencies in sludge drying condensed water, while anaerobic reactor is intake
Sanitary sewage is added, to provide inorganic salts and Relationship with other Nutrient Elements needed for microorganism growth.
Anaerobic reactor input end is arranged sanitary sewage water inlet pipe and sanitary sewage is added, to provide needed for microorganism growth
Inorganic salts and Relationship with other Nutrient Elements.Within sanitary sewage COD1000, the quality of sanitary sewage addition：Regulating reservoir water outlet can reach
To 2~3:1.
(4) sewage after anaerobic fermentation enter after biological selector with the organic matter in the activated sludge and raw water of reflux
It is sufficiently mixed here, so that a large amount of microorganisms of reflux is eliminated culture and Tamed and led and go out highly active microbial bacteria
Group, and the growth and breeding of der Pilz can be inhibited, follow-up aerobic reaction and control sludge filamentous bulking are played an important role
Be conducive to subsequent biological treatment.In favor of subsequent biological treatment.The size of the activity sludge reflux amount of reflux is 30~100%.
(5) biological selector water outlet is reacted into sequencing batch biofilm reactor, and reactor water outlet enters high concentration
The anti-lead device of ozone carries out disinfection processing, and sludge is handled after entering concentration basin processing with dewaterer, and filtrate is back to after dehydration
Regulating reservoir, generation mud cake outward transport processing.Sequencing batch biofilm reactor has the advantages of activated sludge process and biofilm concurrently, has
Conducive to the capacity of resisting impact load of the system of raising.Biomembrane has more in increasing reactor in terms of biomass and biological species simultaneously
Excellent condition, and can guarantee longer microorganism (such as nitrifier) existence from generation to generation, it is conducive to nitration reaction；Another aspect biomembrane carries
Body, there are the gradient phenomenon of dissolved oxygen concentration, should mutually there is aerobic, anoxic and aerobic area state from surface to inside, this is direct again
Denitrogenation provides good environment.
(6) escape pipe and the exhaust fan phase of regulating reservoir, anaerobic reactor, biological selector, sequencing batch biofilm reactor
Even, then it is connected with deodorization device with the foul smell generated in removal system.
(7) anaerobic reactor, biological selector, sequencing batch biofilm reactor sludge enter at sludge concentration tank
Reason, treated, and sludge enters dewaterer is handled, after dehydration filtrate be back to regulating reservoir, generation mud cake outward transport processing.
(8) sequencing batch biofilm reactor SBBR water outlets row after the disinfection of high-concentrated ozone reactor arrives reuse pool,
Carry out reuse or outer row.
Although the present invention has been disclosed as a preferred embodiment, however, it is not to limit the invention.Side belonging to the present invention
Has usually intellectual in method field, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations.Cause
This, the scope of protection of the present invention is defined by those of the claims.
Claims (4)
1. a kind of sludge drying condensate processor, it is characterised in that be connected with anaerobic reactor equipped with regulating reservoir, anaerobism is anti-
The biogas generated in device is answered to be connected with marsh gas treatment device, anaerobic reactor mud discharging mouth is connected with sludge concentration tank, anaerobic reaction
Device water outlet is connected with biological selector, while entering anaerobic reactor equipped with sanitary sewage all the way；Anaerobic reactor and biology
Selector be connected, biological selector is connected with sequencing batch biofilm reactor, sequencing batch membrane bioreactor water outlet with it is highly concentrated
It spends ozone reactor to be connected, anaerobic reactor mud discharging mouth is connected with sludge concentration tank, sludge concentration tank mud discharging mouth and dewaterer phase
Even, supernatant outlet is connected with regulating reservoir；High-concentrated ozone reactor is connected with reuse pool；The regulating reservoir, anaerobism are anti-
It answers the escape pipe of device, biological selector, sequencing batch biofilm reactor to be connected with exhaust fan, is then connected with deodorization device；
Sequencing batch biofilm reactor front end setting reflux biological selector；The anaerobic reactor, biological selector, batch-type life
The sludge of object membrane reactor enters sludge concentration tank and is handled, and treated, and sludge enters dewaterer is handled；
Sludge concentration tank supernatant outlet pipe and dewaterer filtrate exit pipe are connected with regulating reservoir.
2. the sludge drying that device carries out according to claim 1 condenses method for treating water, it is characterised in that including walking as follows
Suddenly：
（1）Adjusting of the regulating reservoir of setting for the cooling and pH of condensed water；Regulating reservoir pre-processes, and condensed water raw water initially enters
Regulating reservoir, stopped in regulating reservoir time enough make condensed water water temperature drop to suitable microbial growth temperature i.e.
20-38 DEG C, in favor of subsequent biological treatment；Need the adjusting of the progress pH value in regulating reservoir in the weakly acidic pH model of 5-8 simultaneously
It encloses；
（2）Regulating reservoir water outlet enters anaerobic reactor and carries out anaerobic fermentation, and the biogas that anaerobic reaction generates enters biogas treatment dress
It sets and is handled, sewage enters biological selector, and the sludge of generation enters sludge concentration tank and handled；
（3）Sanitary sewage is added while water inlet in anaerobic reactor, to provide inorganic salts and the related battalion needed for microorganism growth
Support element；
（4）The activated sludge that sewage after anaerobic fermentation enters after biological selector with reflux is sufficiently mixed here, is made back
A large amount of microorganisms of stream are able to that tabling is excellent to induce highly active microorganism species, in favor of subsequent biological treatment；
（5）Biological selector water outlet is reacted into sequencing batch biofilm reactor, and the water outlet of the reactor is into highly concentrated
Degree ozone reactor carries out disinfection processing, and sludge enters after concentration basin is handled to be handled with dewaterer；
（6）Regulating reservoir, anaerobic reactor, biological selector, sequencing batch biofilm reactor escape pipe be connected with exhaust fan, so
It is connected afterwards with deodorization device；
（7）Anaerobic reactor, biological selector, sequencing batch biofilm reactor sludge enter sludge concentration tank and handled,
Treated, and sludge enters dewaterer is handled；
Sanitary sewage water inlet pipe is arranged in anaerobic reactor input end, is sought with related for supplementing the inorganic salts needed for microorganism growth
Support element；
It is added within sanitary sewage COD 1000, the quality that sanitary sewage is added：Regulating reservoir water outlet reaches 2 ~ 3:1.
3. sludge drying according to claim 2 condenses method for treating water, it is characterised in that the sewage after anaerobic fermentation
It is sufficiently mixed here with the organic matter in the activated sludge and raw water of reflux after into biological selector, makes a large amount of micro- of reflux
Biology is able to eliminate culture and Tamed and led goes out the strong microbial bacteria of activity；The size of the activity sludge reflux amount of reflux be 30 ~
100%。
4. sludge drying according to claim 2 condenses method for treating water, it is characterised in that condensed water raw water initially enters
Regulating reservoir, time enough is stopped in regulating reservoir makes condensed water water temperature drop pass through heat pump radiator progress absorbing and cooling temperature.
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107522368A (en) * | 2017-10-17 | 2017-12-29 | 南京中电环保工程有限公司 | Dedusting cooling subsystem, sludge drying condensation Waste Water Treatment and technique |
| CN107759023A (en) * | 2017-11-17 | 2018-03-06 | 厦门大方海源环保设备有限公司 | The recovery processing technique of condensed water after a kind of sludge incineration |
| CN109399889A (en) * | 2018-11-02 | 2019-03-01 | 广东申菱环境系统股份有限公司 | A kind of environmental protection sludge dry system |
| CN111559831A (en) * | 2020-05-21 | 2020-08-21 | 南京扬子江生态环境产业研究院有限公司 | Sludge coupling power generation drying wastewater full-flow treatment system and method |
| CN112647561A (en) * | 2020-10-30 | 2021-04-13 | 上海市政工程设计研究总院（集团）有限公司 | Circulation processing system of sludge drying carrier gas comdenstion water |
| CN114702209A (en) * | 2022-05-17 | 2022-07-05 | 上海交通大学 | MFBR sewage treatment device and sewage treatment method |
| CN115321758A (en) * | 2022-08-25 | 2022-11-11 | 中建生态环境集团有限公司 | Biofilm reactor for treating sludge drying condensate water and operation method thereof |
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