CN104496123B - A kind of micro-algae is disposed of sewage autocontrol method - Google Patents
A kind of micro-algae is disposed of sewage autocontrol method Download PDFInfo
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- CN104496123B CN104496123B CN201410811716.XA CN201410811716A CN104496123B CN 104496123 B CN104496123 B CN 104496123B CN 201410811716 A CN201410811716 A CN 201410811716A CN 104496123 B CN104496123 B CN 104496123B
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- equalizing tank
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/001—Upstream control, i.e. monitoring for predictive control
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/003—Downstream control, i.e. outlet monitoring, e.g. to check the treating agents, such as halogens or ozone, leaving the process
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
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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)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to a kind of micro-algae to dispose of sewage autocontrol method, described step is: sewage to enter in the equalizing tank in waste disposal plant and detects, detect qualified after, sewage enters micro-algae treating pond and processes, the sewage processed flows into detection cell and detects, if detect not up to standard, then process in the sewage backflow in detection cell to equalizing tank; If detect up to standard, then the part of contaminated water in detection cell is back in equalizing tank, processes in sewage inflow filtering membrane up to standard and is separated, flowed out by clear water, and is entered by concentrated algae liquid in grease induction accumulation pond; After concentrated algae liquid enters grease induction accumulation pond, algae liquid will be concentrated by pump and send into spiral bending tube enclosed reactor, and after carrying out grease induction, then be back in grease induction accumulation pond, so circulate.The invention has the advantages that: sewage well can be processed by present method, achieve automatic business processing, reduce hand labor intensity.
Description
Technical field
The present invention relates to sewage treatment area, particularly the micro-algae of one is disposed of sewage autocontrol method.
Background technology
The Freshwater resources per capita of China are rare, and process of industrialization consumes a large amount of water resourcess.Therefore the water resources protection of sewage disposal technology to China seems particularly important.Traditional sewage disposal technology physico-chemical processes is costly, and easily causes secondary pollution, and in the sewage processed, nitrogen and phosphorus content is higher, easily causes body eutrophication.
Micro-algae is disposed of sewage and can make up above-mentioned shortcoming, with low cost, and treatment effect is good.But the automatization level that current micro-algae is disposed of sewage is also lower, a lot of committed step also needs manually to realize.Sewage, when processing, may occur that the indices of sewage is completely not up to standard and just enter river course; Also may occur that sewage is totally treated, but scavenging process is also in continuation, causes power wastage.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of micro-algae that can reduce hand labor and disposes of sewage autocontrol method.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of micro-algae is disposed of sewage autocontrol method, and its innovative point is: described step is:
A) first, sewage enters in the equalizing tank in waste disposal plant, utilize the thermometer in equalizing tank, PH takes into account conductivity sensor and carry out Preliminary detection to sewage, and detection is tentatively judged, if the potential of hydrogen of sewage between 7-9, temperature between 18-30 DEG C, ionic concn at below 50000ms/cm time, then sewage is sent by pumping in micro-algae treating pond; If when sewage does not reach above-mentioned standard, then pre-treatment is carried out, till reaching standard to the sewage in equalizing tank;
B) after sewage enters micro-algae treating pond, utilize micro-algae in pond to process sewage, absorb nitrogen, the phosphoric in sewage by micro-algae, and it is changed into the nutritive element of self, go back the poisonous and hazardous heavy metal ion in absorption effluent simultaneously;
C) sewage processed flows into detection cell, by COD, TN, TP sensor installed in detection cell, sewage is detected, if detect the COD value of sewage higher than 60mg/L, TN higher than 0.04mg/L, TP higher than 0.002mg/L time, then process in the sewage backflow in detection cell to equalizing tank; If detect COD value lower than 60mg/L, TN lower than 0.04mg/L, TP lower than 0.002mg/L time, then the part of contaminated water in detection cell is back in equalizing tank, and part of contaminated water flows in filtering membrane, and the valve opening both controlling, to realize suitable reflux ratio;
D) process sewage up to standard to flow in filtering membrane and be separated, clear water is flowed out, and concentrated algae liquid is entered in grease induction accumulation pond;
E) after concentrated algae liquid enters grease induction accumulation pond, by liquid level in the liquid level sensor detection cell installed in pond, after water level reach a certain height, algae liquid will be concentrated by pump and send into spiral bending tube enclosed reactor, after carrying out grease induction, then be back in grease induction accumulation pond, so circulate.
Further, in described step b when utilizing micro-algae to process sewage, the aeration pump and fluorescent tube installed in pond can be opened as required, thus be more conducive to the process of micro-algae to sewage.
Further, described waste disposal plant comprises equalizing tank, micro-algae treating pond, detection cell, filtering membrane, spiral bending tube closed reactor and grease induction accumulation pond, described equalizing tank, micro-algae treating pond, detection cell, filtering membrane and accumulation pond set gradually, the liquid outlet of described equalizing tank is connected by the fluid inlet of connecting pipeline with micro-algae treating pond, the liquid outlet of micro-algae treating pond is connected with the fluid inlet of detection cell by connecting pipeline, the liquid outlet of detection cell is respectively by the fluid inlet of connecting pipeline and filtering membrane, the fluid inlet of equalizing tank is connected, liquid outlet and the grease of filtering membrane induce the fluid inlet accumulating pond to be connected, form one by connecting pipeline between grease induction accumulation pond and spiral bending tube closed reactor to circulate, in described equalizing tank, thermometer is installed, PH takes into account conductivity sensor, there is in detection cell COD detector, TN detector, TP detector, in grease induction accumulation pond, liquid level sensor is installed.
Further, in described micro-algae treating pond, aeration pump and fluorescent tube are also installed.
The invention has the advantages that: utilize present method in the process processed sewage, automatic control technology is applied to micro-algae and cultivates and in micro-algae water purification, make whole system more automatization, intellectuality, reduce hand labor accordingly; By installing aeration pump and fluorescent tube in micro-algae treating pond, advantageously in micro-algae, absorption process is carried out to sewage.
Accompanying drawing explanation
Fig. 1 is that micro-algae of the present invention is disposed of sewage the schematic diagram of automatic control device.
Embodiment
Schematic diagram is as shown in Figure 1 known, micro-algae of the present invention dispose of sewage automatic control device comprise equalizing tank 6, micro-algae treating pond 3, detection cell 8, filtering membrane 2, spiral bending tube closed reactor 1 and grease induction accumulation pond 10.
The liquid outlet of equalizing tank 6 is connected by the fluid inlet of connecting pipeline with micro-algae treating pond 3, the liquid outlet of micro-algae treating pond 3 is connected by the fluid inlet of connecting pipeline with detection cell 8, the liquid outlet of detection cell 8 is connected with the fluid inlet of filtering membrane 2, the fluid inlet of equalizing tank 6 respectively by connecting pipeline, liquid outlet and the grease of filtering membrane 2 induce the fluid inlet accumulating pond 10 to be connected, and form one circulate between grease induction accumulation pond 10 and spiral bending tube closed reactor 1 by connecting pipeline.
In equalizing tank 6, thermometer is installed, PH takes into account conductivity sensor, in micro-algae treating pond 3, aeration pump and fluorescent tube are installed, there is in detection cell 8 COD detector, TN detector, TP detector, in grease induction accumulation pond 10, liquid level sensor is installed.
Sewage in equalizing tank 6 is delivered in micro-algae treating pond 3 by pump A4, sewage in detection cell 8 is delivered in filtering membrane 2 and equalizing tank 6 by pump B7, and connecting pipeline between detection cell 8 and filtering membrane 2 is provided with variable valve A9, connecting pipeline between detection cell 8 and equalizing tank 6 is provided with variable valve B5, between grease induction accumulation pond 10 and spiral bending tube closed reactor 1, is realized the circulation of concentrated algae liquid by pump C11.
When utilizing said apparatus to process sewage, its method comprises following step:
The first step, first sewage enters in equalizing tank 6, utilize the thermometer in equalizing tank 6, PH takes into account conductivity sensor and carry out Preliminary detection to sewage, and detection is tentatively judged, if the potential of hydrogen of sewage between 7-9, temperature between 18-30 DEG C, ionic concn at below 50000ms/cm time, then sewage is delivered in micro-algae treating pond 3 by pump A4; If when sewage does not reach above-mentioned standard, then pre-treatment is carried out, till reaching standard to the sewage in equalizing tank 6.
Second step, after sewage enters micro-algae treating pond 3, utilizes micro-algae in pond to process sewage, absorbs nitrogen, the phosphoric in sewage, and it is changed into the nutritive element of self, go back the poisonous and hazardous heavy metal ion in absorption effluent simultaneously by micro-algae.
When utilizing micro-algae to process, in order to convenient micro-algae processes, can be exported the actuate signal of aeration pump and fluorescent tube by controlling elements, aeration pump and fluorescent tube are started working, and are so more conducive to micro-algae and dispose of sewage.
3rd step, the sewage processed flows into detection cell, by COD, TN, TP sensor installed in detection cell, sewage is detected, the analog signals detected imports in controlling elements, controlling elements will detected value with preset value carry out contrast judgement, if detect the COD value of sewage higher than 60mg/L, TN higher than 0.04mg/L, TP higher than 0.002mg/L time, now pump B7 works, open variable valve B5 simultaneously, then the sewage backflow in detection cell 8 is processed in equalizing tank 6; If detect COD value lower than 60mg/L, TN lower than 0.04mg/L, TP lower than 0.002mg/L time, now pump B7 works, open variable valve A9 and variable valve B5 simultaneously, part of contaminated water in detection cell 8 is back in equalizing tank 6, part of contaminated water flows in filtering membrane 2, and the aperture of regulating and controlling valve A9 and variable valve B5, to realize suitable reflux ratio, such as: 7:3 or 9:1 etc.
4th step, processes in sewage inflow filtering membrane up to standard and is separated, flowed out by clear water, and entered by concentrated algae liquid in grease induction accumulation pond.
5th step, after concentrated algae liquid enters grease induction accumulation pond 10, by liquid level in the liquid level sensor detection cell installed in pond, after water level reach a certain height, to concentrate algae liquid by pump C11 sends in spiral bending tube enclosed reactor 1, after carrying out grease induction, then be back in grease induction accumulation pond 10, so circulate.
If whole device does not pass into sewage in addition, but when directly passing into clear water, the micro-algae cultivated out can also be used as healthcare products.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (4)
1. micro-algae is disposed of sewage an autocontrol method, it is characterized in that: step is:
A) first, sewage enters in the equalizing tank in waste disposal plant, the thermometer in equalizing tank, pH meter and conductivity sensor is utilized to carry out Preliminary detection to sewage, and detection is tentatively judged, if the potential of hydrogen of sewage between 7-9, temperature between 18-30 DEG C, ionic concn at below 50000ms/cm time, then sewage is sent by pumping in micro-algae treating pond; If when sewage does not reach above-mentioned standard, then pre-treatment is carried out, till reaching standard to the sewage in equalizing tank;
B) after sewage enters micro-algae treating pond, utilize micro-algae in pond to process sewage, absorb nitrogen, the phosphoric in sewage by micro-algae, and it is changed into the nutritive element of self, go back the poisonous and hazardous heavy metal ion in absorption effluent simultaneously;
C) sewage processed flows into detection cell, by COD, TN, TP sensor installed in detection cell, sewage is detected, if detect the COD value of sewage higher than 60mg/L, TN higher than 0.04mg/L, TP higher than 0.002mg/L time, then process in the sewage backflow in detection cell to equalizing tank; If detect COD value lower than 60mg/L, TN lower than 0.04mg/L, TP lower than 0.002mg/L time, then the part of contaminated water in detection cell is back in equalizing tank, and part of contaminated water flows in filtering membrane, and the valve opening both controlling, to realize suitable reflux ratio;
D) process sewage up to standard to flow in filtering membrane and be separated, clear water is flowed out, and concentrated algae liquid is entered in grease induction accumulation pond;
E) after concentrated algae liquid enters grease induction accumulation pond, by liquid level in the liquid level sensor detection cell installed in pond, after water level reach a certain height, algae liquid will be concentrated by pump and send into spiral bending tube enclosed reactor, after carrying out grease induction, then be back in grease induction accumulation pond, so circulate.
2. micro-algae according to claim 1 is disposed of sewage autocontrol method, it is characterized in that: in described step b when utilizing micro-algae to process sewage, the aeration pump and fluorescent tube installed in pond can be opened as required, thus be more conducive to the process of micro-algae to sewage.
3. micro-algae according to claim 1 is disposed of sewage autocontrol method, it is characterized in that: described waste disposal plant comprises equalizing tank, micro-algae treating pond, detection cell, filtering membrane, spiral bending tube closed reactor and grease induction accumulation pond, described equalizing tank, micro-algae treating pond, detection cell, filtering membrane and accumulation pond set gradually, the liquid outlet of described equalizing tank is connected by the fluid inlet of connecting pipeline with micro-algae treating pond, the liquid outlet of micro-algae treating pond is connected with the fluid inlet of detection cell by connecting pipeline, the liquid outlet of detection cell is respectively by the fluid inlet of connecting pipeline and filtering membrane, the fluid inlet of equalizing tank is connected, liquid outlet and the grease of filtering membrane induce the fluid inlet accumulating pond to be connected, form one by connecting pipeline between grease induction accumulation pond and spiral bending tube closed reactor to circulate, thermometer, pH meter and conductivity sensor are installed in described equalizing tank, there is in detection cell COD detector, TN detector, TP detector, in grease induction accumulation pond, liquid level sensor is installed.
4. micro-algae according to claim 3 is disposed of sewage autocontrol method, it is characterized in that: be also provided with aeration pump and fluorescent tube in described micro-algae treating pond.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410811716.XA CN104496123B (en) | 2014-12-24 | 2014-12-24 | A kind of micro-algae is disposed of sewage autocontrol method |
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| CN201410811716.XA CN104496123B (en) | 2014-12-24 | 2014-12-24 | A kind of micro-algae is disposed of sewage autocontrol method |
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| CN104496123A CN104496123A (en) | 2015-04-08 |
| CN104496123B true CN104496123B (en) | 2016-03-30 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106186434B (en) * | 2016-08-22 | 2019-05-10 | 山东辰宇稀有材料科技有限公司 | A kind of automatic monitoring sewage disposal system |
| CN107021592A (en) * | 2017-06-01 | 2017-08-08 | 苏州天瑞环境科技有限公司 | Sewage disposal system and the sewage water treatment method using the sewage disposal system |
| CN109761372A (en) * | 2019-04-02 | 2019-05-17 | 百靖达环保科技(昆山)有限公司 | A kind of microalgae processing unit and method that sewage deep is denitrogenated |
| CN110204118B (en) * | 2019-07-17 | 2022-04-12 | 毅康科技有限公司 | Electroplating wastewater treatment system |
| CN110759609B (en) * | 2019-12-10 | 2024-07-02 | 中冶华天工程技术有限公司 | Biological sewage purification system |
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| JP2001096285A (en) * | 1999-10-01 | 2001-04-10 | Fuji Clean Kogyo Kk | Sewage treatment process provided with flow control function and equipment for the same |
| CN102520016A (en) * | 2011-11-25 | 2012-06-27 | 清华大学 | System and method for monitoring municipal saprobia inhibitive ability in real time based on oxygen uptake rate (OUR) |
| CN102863101A (en) * | 2012-10-15 | 2013-01-09 | 杨俊义 | Automatic control sewage treatment system with variable process and treating capacity |
| CN203754557U (en) * | 2014-01-29 | 2014-08-06 | 中国海洋石油总公司 | Marine domestic sewage treatment system based on MBR (membrane bioreactor) method and electrolytic method |
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- 2014-12-24 CN CN201410811716.XA patent/CN104496123B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001096285A (en) * | 1999-10-01 | 2001-04-10 | Fuji Clean Kogyo Kk | Sewage treatment process provided with flow control function and equipment for the same |
| CN102520016A (en) * | 2011-11-25 | 2012-06-27 | 清华大学 | System and method for monitoring municipal saprobia inhibitive ability in real time based on oxygen uptake rate (OUR) |
| CN102863101A (en) * | 2012-10-15 | 2013-01-09 | 杨俊义 | Automatic control sewage treatment system with variable process and treating capacity |
| CN203754557U (en) * | 2014-01-29 | 2014-08-06 | 中国海洋石油总公司 | Marine domestic sewage treatment system based on MBR (membrane bioreactor) method and electrolytic method |
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Effective date of registration: 20190809 Address after: Room J149, Room 1-203, 337 Shahe Road, Jiangqiao Town, Jiading District, Shanghai Patentee after: Shanghai QingWet Environmental Protection Technology Co., Ltd Address before: 226000 No. 9 Siyuan Road, Chongchuan District, Nantong City, Jiangsu Province Patentee before: Nantong University |