CN203256088U - Integrated organic wastewater treatment system - Google Patents
Integrated organic wastewater treatment system Download PDFInfo
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- CN203256088U CN203256088U CN 201320210937 CN201320210937U CN203256088U CN 203256088 U CN203256088 U CN 203256088U CN 201320210937 CN201320210937 CN 201320210937 CN 201320210937 U CN201320210937 U CN 201320210937U CN 203256088 U CN203256088 U CN 203256088U
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- Prior art keywords
- flocculation
- organic wastewater
- membrane
- unit
- water
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Abstract
The utility model discloses an integrated organic wastewater treatment system which comprises an automatic control unit, an electric flocculation unit and a membrane biological treatment unit, wherein the electric flocculation unit comprises a flocculating trough; the flocculation trough is internally provided with a flocculation area; mutually parallel positive and negative electrode plates are placed in the flocculation area; the lower part of the flocculation trough is provided with a depositing area, and the upper part of the flocculation trough is provided with a dreg scraping machine; a membrane bioreactor module comprises a tank body; the tank body is internally provided with a membrane assembly; the water outlet of the electric flocculation unit is connected with the water inlet of the tank body; the membrane assembly is arranged below the water surface inside the tank body; the water outlet of the membrane assembly is connected with a self-suction water pump; the water inlet pipeline of the self-suction water pump is provided with a depressimeter; the depressimeter and the self-suction water pump are respectively connected with the automatic control unit through signal lines. The integrated organic wastewater treatment system disclosed by the utility model has the advantages of simple process and equipment, stability in treatment effect, good quality of effluent water, low operating cost of a device and automation control realization.
Description
Technical field
The utility model relates to a kind of wastewater treatment equipment, relates in particular to a kind of integrated organic wastewater treating system.
Background technology
High-salt-content organic wastewater refers to contain organism and the waste water of the massfraction of total dissolved solidss TDS (Total Dissolved Solid) 〉=3.5% at least, comprises high salt sanitary wastewater and high salt industrial waste water.Be mainly derived from the collection processing of industrial production, domestic water and the food processing plant, chemical plant and the oil and natural gas that directly utilize seawater etc.The organism of high-salt-content organic wastewater is different according to production process, and contained organic kind and chemical property differ greatly, but contained salts substances mostly is Cl
-, SO
4 2-, Na
+, Ca
2+Deng salts substances.This class waste water is if unprocessed direct discharging can endanger with water generates greatly to water body biology, Drinking Water and industrial and agricultural production.
Because biological treatment has the advantages such as working cost is low, management maintenance convenience, effective, harmless, often is regarded as water technology and pays the utmost attention to scheme.But the inorganic salt in the high saliferous trade effluent have stronger restraining effect to microorganism, and people consider to process high-salt-content organic wastewater by cultivating salt-durable microbe and halophilic microorganism.This method is more feasible in economy and technical elements, and has obtained certain effect.But organic components is widely different in the waste water of different industrial trade dischargings, and waste water contains the organism of difficult for biological degradation absolutely mostly, and microorganism is had restraining effect, and biodegradability is low, and simple biologic treating technique often is difficult to reach desired emission standard.Therefore high-salt-content organic wastewater need to pass through pre-treatment, removes the part pollutent in the water, particularly microorganism is had the pollutent of restraining effect or toxicity, and improves the biodegradability of waste water, is conducive to the subsequent biological treatment process operation.
As shown in Figure 1, in the prior art, a kind of high-salt-content organic wastewater treatment system technique, high-salt-content organic wastewater enters and carries out denitrification denitrogenation in the anoxic pond of biological treatment subsystem and remove partial organic substances, water outlet after anoxic pond is processed enters in the Aerobic Pond carries out nitration reaction and organic degraded under the good oxygen condition of aeration, subsequently water outlet enters and continues nitrated and organic degraded in the membrane bioreactor, water outlet enters next step salt crystallization subsystem again, process by evaporative crystallization again through the water after the two steps ro desalination, the crystal salt recoverable that obtains produces water and reaches the emission standard discharging.
There is following shortcoming at least in above-mentioned prior art:
Technical process is complicated, processing efficiency is low, system's fluctuation of service, cost of water treatment is high, level of automation is low.
The utility model content
The purpose of this utility model provides the integrated organic wastewater treating system that a kind of technique is simple, stable, cost is low, level of automation is high.
The purpose of this utility model is achieved through the following technical solutions:
Integrated organic wastewater treating system of the present utility model comprises Automatic Control Unit, electricity flocculation unit and film biological processing unit;
Described electricity flocculation unit comprises flocculation tank, is provided with flocculation zone in the described flocculation tank, places the positive and negative battery lead plate that is parallel to each other in the described flocculation zone, and the bottom of described flocculation tank is provided with the settling region, and the top of described flocculation tank is provided with slag scraper;
Described membrane bioreactor module comprises the pond body, is provided with membrane module in the body of described pond, and the water outlet of described electricity flocculation unit is connected with the water-in of described pond body;
Described membrane module is located at below the interior water surface of described pond body, the water outlet of described membrane module is connected with self prime pump, the inlet channel of described self prime pump is provided with depressimeter, described depressimeter be connected self prime pump and be connected with described Automatic Control Unit by signal wire respectively.
Can be found out by the technical scheme that above-mentioned the utility model provides, integrated organic wastewater treating system described in the utility model, owing to comprise Automatic Control Unit, electricity flocculation unit and film biological processing unit, waste water at first carries out electric flocculation treatment in electricity flocculation unit, carry out afterwards membrane sepn and biological treatment in the film biological processing unit.Technique is simple, stable, cost is low, and can realize automatization control.
Description of drawings
Fig. 1 is the process flow sheet of high-salt-content organic wastewater treatment system in the prior art;
Fig. 2 is the process flow sheet of integrated organic wastewater treating system of the present utility model;
Fig. 3 is electricity flocculation modular construction synoptic diagram in the utility model;
Fig. 4 is the structure principle chart of membrane bioreactor in the utility model.
Among the figure: 1. water-in, 2. flocculation zone, 3. settling region, 4. battery lead plate, 5. water outlet, 6. sewage draining exit, 7. slag scraper, 8. direct supply, 9. ultrasonic antisludging equipment, 10. membrane module, 11. pond bodies, 12, self prime pump, 13. depressimeters.
Embodiment
Integrated organic wastewater treating system of the present utility model, its better embodiment is:
Comprise Automatic Control Unit, electricity flocculation unit and film biological processing unit;
Described electricity flocculation unit comprises flocculation tank, is provided with flocculation zone in the described flocculation tank, places the positive and negative battery lead plate that is parallel to each other in the described flocculation zone, and the bottom of described flocculation tank is provided with the settling region, and the top of described flocculation tank is provided with slag scraper;
Described membrane bioreactor module comprises the pond body, is provided with membrane module in the body of described pond, and the water outlet of described electricity flocculation unit is connected with the water-in of described pond body;
Described membrane module is located at below the interior water surface of described pond body, the water outlet of described membrane module is connected with self prime pump, the inlet channel of described self prime pump is provided with depressimeter, described depressimeter be connected self prime pump and be connected with described Automatic Control Unit by signal wire respectively.
Ultrasonic antisludging equipment is housed in the described flocculation zone.
Described film biological processing unit comprises 1 to 3 grade of membrane bioreactor, and the preferred film biological processing unit comprises 2 grades of membrane bioreactors.
The membrane pore size of described membrane module is 0.1～0.4 micron.
The utility model is placed electricity flocculation unit before biological processing unit, remove the hazardous and noxious substances that suppresses microorganism growth in the high-salt-content organic wastewater by process degradeds such as electrolytic oxidation reduction, electricity flocculation, electro-flotations, thereby improve the contaminant removal efficiency of biological processing unit, biological processing unit is stable, has overcome the in the past weakness of Technology.
Below in conjunction with specific embodiment the utility model is described in detail:
Integrated organic wastewater treating system is comprised of two unit, electricity flocculation unit and film biological processing unit.
As shown in Figure 2, high-salt-content organic wastewater at first enters electricity flocculation unit, enters successively the biological processing units such as one-level membrane bioreactor and secondary membrane bioreactor from electricity flocculation unit water out.
As shown in Figure 3, electricity flocculation unit comprises flocculation tank, place the battery lead plate 4 that is parallel to each other in the flocculation tank, active metal battery lead plate (iron or aluminium) is arranged by a certain percentage with the titanium battery lead plate with oxide coatings such as nano-noble metal ruthenium, tantalums, be shaped as netted or tabular, be the positive and negative electrode relation between the adjacent battery lead plate, the battery lead plate at interval interconnects and is connected by electrical lead with the positive and negative electrode of direct supply respectively afterwards.The layout ratio of two kinds of battery lead plates 4 can be adjusted according to the waste water different quality, thereby the air supporting effect that improves electric flocculation tank improves pollutants removal rate.
Generate Al on the positive plate of active metal
3+Or Fe
2+, Fe
3+Deng positively charged ion, with OH in the water
-Ionic bond becomes Al (OH)
3Or Fe (OH)
2, Fe (OH)
3Deng flocculation agent, the pollution substances such as suspended substance and colloid in the flocculation waste water.In electric flocculation process, along with water inlet pH is different, form different complex compounds, can form following complex compound such as iron ion: Fe (H
2O)
6 3+, Fe (H
2O)
5(OH)
2+, Fe (H
2O)
4(OH)
2+, Fe
2(H
2O)
8(OH)
2 4+And Fe
2(H
2O)
6(OH)
4 4+Deng, these complex compounds can play the effect of cohesion, absorption and co-precipitation.Simultaneously separate out O at anode
2Microbubble produces H at negative electrode
2Microbubble.There is a certain proportion of insoluble nano-electrode board-like in the electricity flocculation tank, thereby improves current efficiency, increase the O that anode and cathode is separated out
2With H2 microbubble amount, be conducive to the enhancing of electro-flotation effect.The bubble that the micro-bubble that generates produces much smaller than pressure floatation air, thereby its air supporting ability is stronger, also better to the removal of pollutants effect.Under galvanic action, the partial organic substances in the former water can be oxidized to low molecule organic matter, even directly is oxidized to CO
2And H
2O; Simultaneously, the nascent state H2 reducing power that negative electrode produces is very strong, can with waste water in pollutent generation reduction reaction, thereby make pollutent obtain degraded.
Specifically, water inlet enters flocculation tank by the bottom water-in, and through processes such as electrolytic oxidation reduction, electricity flocculation, electro-flotations, the bulk flocs unit is deposited in the settling region 3 of flocculation tank at flocculation zone 2, discharged by the sewage draining exit of bottom, and the little flocs unit of a part of proportion is by O
2And H
2Microbubble together floats, and is got rid of by slag scraper 7; The anodic-cathodic plate 4 of flocculation zone 2 interior arrangements links to each other with anodal with the negative pole of direct supply 8 respectively; Ultrasonic antisludging equipment 9 is housed in the flocculation zone 2, can prevents fouling on the battery lead plate 4, be conducive to simultaneously the O of nascent state
2And H
2With organic reaction.
In order more to be conducive to alleviate battery lead plate 4 foulings and anode passivation, often the transfer electron plate is spaced apart 5min～5h its switching time.The DC power output voltage that links to each other with battery lead plate is 5～700V.
As shown in Figure 4, the membrane bioreactor module comprises pond body 11, is provided with membrane module 10 in the body of pond, and the water outlet of electricity flocculation unit is connected with the water-in of pond body; Membrane module is located at below the water surface in the body of described pond, and the water outlet of membrane module is connected with self prime pump 12, and the inlet channel of self prime pump is provided with depressimeter 13, depressimeter be connected self prime pump and be connected with described Automatic Control Unit by signal wire respectively.Place the immersed microfiltration membrane module of 0.1～0.4 micron of membrane pore size in the membrane bioreactor.Two reactors flow condition separately is different, forms fully independently microorganism growth environment, and microflora is different, thereby improves removal of pollutants efficient, removes the part inorganic salt by effluxing excess sludge again, and effluent quality is more excellent.Remove majority of organic pollutants in the waste water by the two-stage membrane bioreactor, water outlet can reach emission standard
The utility model is compared with traditional technology, has the characteristics such as treatment effect is stable, effluent quality is good, device running cost is low, floor space is little; Process the pollutent scope wide, remove efficient high, do not add chemical agent, non-secondary pollution, technology and equipment simple, can be handling good; Simple in structure, can full-automatic operation, can accomplish the unattended duty operation; Through the processing of two-stage membrane bioreactor, but the water outlet qualified discharge.
The above; it only is the better embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.
Claims (5)
1. an integrated organic wastewater treating system is characterized in that, comprises Automatic Control Unit, electricity flocculation unit and film biological processing unit;
Described electricity flocculation unit comprises flocculation tank, is provided with flocculation zone in the described flocculation tank, places the positive and negative battery lead plate that is parallel to each other in the described flocculation zone, and the bottom of described flocculation tank is provided with the settling region, and the top of described flocculation tank is provided with slag scraper;
Described membrane bioreactor module comprises the pond body, is provided with membrane module in the body of described pond, and the water outlet of described electricity flocculation unit is connected with the water-in of described pond body;
Described membrane module is located at below the interior water surface of described pond body, the water outlet of described membrane module is connected with self prime pump, the inlet channel of described self prime pump is provided with depressimeter, described depressimeter be connected self prime pump and be connected with described Automatic Control Unit by signal wire respectively.
2. integrated organic wastewater treating system according to claim 1 is characterized in that, ultrasonic antisludging equipment is housed in the described flocculation zone.
3. integrated organic wastewater treating system according to claim 2 is characterized in that, described film biological processing unit comprises 1 to 3 grade of membrane bioreactor.
4. integrated organic wastewater treating system according to claim 3 is characterized in that, described film biological processing unit comprises 2 grades of membrane bioreactors.
5. integrated organic wastewater treating system according to claim 4 is characterized in that, the membrane pore size of described membrane module is 0.1～0.4 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320210937 CN203256088U (en) | 2013-04-23 | 2013-04-23 | Integrated organic wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320210937 CN203256088U (en) | 2013-04-23 | 2013-04-23 | Integrated organic wastewater treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203256088U true CN203256088U (en) | 2013-10-30 |
Family
ID=49468672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320210937 Expired - Fee Related CN203256088U (en) | 2013-04-23 | 2013-04-23 | Integrated organic wastewater treatment system |
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| Country | Link |
|---|---|
| CN (1) | CN203256088U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630387A (en) * | 2016-11-17 | 2017-05-10 | 上海晶宇环境工程股份有限公司 | A device of an electrolysis enhanced denitrification biological membrane denitrogenation process |
| CN115028297A (en) * | 2021-11-08 | 2022-09-09 | 上海特瑞思材料科技有限公司 | Sewage treatment system and method |
-
2013
- 2013-04-23 CN CN 201320210937 patent/CN203256088U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630387A (en) * | 2016-11-17 | 2017-05-10 | 上海晶宇环境工程股份有限公司 | A device of an electrolysis enhanced denitrification biological membrane denitrogenation process |
| CN115028297A (en) * | 2021-11-08 | 2022-09-09 | 上海特瑞思材料科技有限公司 | Sewage treatment system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20140423 |