CN105347474A - Sewage treatment system adopting excess sludge to supplement carbon source - Google Patents
Sewage treatment system adopting excess sludge to supplement carbon source Download PDFInfo
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- CN105347474A CN105347474A CN201510875296.6A CN201510875296A CN105347474A CN 105347474 A CN105347474 A CN 105347474A CN 201510875296 A CN201510875296 A CN 201510875296A CN 105347474 A CN105347474 A CN 105347474A
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- sludge
- sewage treatment
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- biochemical reaction
- carbon source
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Activated Sludge Processes (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention relates to the technical field of domestic sewage and industrial wastewater treatment which takes an activated sludge process as a sewage treatment process, in particular to a sewage treatment system adopting excess sludge to supplement a carbon source. The sewage treatment system comprises a sewage treatment subsystem composed of a pretreatment tank, a biochemical reaction tank, a sedimentation tank and the like, a sludge treatment subsystem composed of a sludge pump, a liquid flowmeter, a gas flowmeter, an ozone generator, a sludge wall breaking tank and the like and an automatic control subsystem composed of a computer supervisory control system and the like. With the adoption of the system, the quantity of sludge required to be discharged out during domestic sewage treatment is reduced greatly and the environment is protected; in addition, the quantity of manually-fed additional carbon sources during industrial wastewater treatment is reduced greatly and the resources are saved. The automatic control subsystem realizes automatic data acquisition and real-time accurate regulation and control of the equipment, errors caused by manual adjustment are reduced, the labors are saved, the operation and maintenance are simple and convenient, and the necessary technical support is provided for future development of the sewage treatment industry.
Description
Technical field
The present invention relates to the sanitary sewage using activated sludge process as sewage treatment process and industrial waste water treatment, particularly relate to a kind of Sewage treatment systems utilizing excess sludge to carry out supplementary carbon source.
Background technology
Activated sludge process is a kind of most widely used, wastewater processing technology that technics comparing is ripe.It utilizes the active sludge containing aerobic microbiological, under aeration condition, makes the biological method of sewage purification.Activated sludge process not only for the treatment of sanitary sewage but also in many Industrial Wastewater Treatment such as printing and dyeing, oil refining, petrochemical complex, agricultural chemicals, papermaking and explosive, all achieves good decontamination effect improving.Microorganism in active sludge, based on bacterium, also comprises fungi, algae, protozoon etc.The maximum weakness of this method produces a large amount of excess sludges, and excess sludge has become troubling insoluble knotty problem, researchs and develops the focus that the sewage disposal technology not producing or produce less mud from source has become research.
Industrial diversity makes the drainage pollutes character numerous and complicated of generation, when trade effluent adopts Wastewater Treated by Activated Sludge Process, BOD content in most trade effluent is few, biodegradability is poor, manually must drop into the operation effectively continued that additional carbon could maintain microbial growth breeding and system.But additional carbon consumes resource and adds the running cost of sewage disposal.
Summary of the invention
The object of the invention is to solve the problems referred to above that existing sewage disposal faces, a kind of Sewage treatment systems utilizing excess sludge supplementary carbon source is provided.
The present invention is achieved by the following technical solutions:
A kind of Sewage treatment systems utilizing excess sludge supplementary carbon source, comprise sewage disposal sub-system, sludge treatment sub-system and computer controlled automatic sub-system, described sewage disposal sub-system is connected with sludge treatment sub-system by sludge pipe, and described computer controlled automatic sub-system is connected with sludge treatment sub-system with sewage disposal sub-system respectively by data acquisition line concentration.
A kind of Sewage treatment systems utilizing excess sludge supplementary carbon source of the present invention, described sewage disposal sub-system comprises pretreatment pool, biochemical reaction tank and settling tank, the water outlet of described pretreatment pool is connected with the water-in of biochemical reaction tank, and the water outlet of biochemical reaction tank is connected with the water-in of settling tank;
Described sludge treatment sub-system comprises sludge pump, liquid meter, mud broken wall pond, gas meter and ozonizer, described sludge pump is arranged in settling tank, mud broken wall pond is connected with settling tank with biochemical reaction tank respectively by sludge pipe, article two, separately arrange a sludge pipe between sludge pipe to be connected, the inlet mouth in mud broken wall pond is connected with the air outlet of ozonizer, liquid meter is arranged between settling tank and mud broken wall pond, and gas meter is arranged between mud broken wall pond and ozonizer;
Described computer controlled automatic sub-system comprises computer supervisory control system, COD detector, mud level meter and data acquisition line concentration, and described COD detector is arranged at biochemical reaction tank inside, and mud level meter is arranged at settling tank inside.
A kind of Sewage treatment systems utilizing excess sludge supplementary carbon source of the present invention, described biochemical reaction tank inside is provided with nanometer micropore aerator.
A kind of Sewage treatment systems utilizing excess sludge supplementary carbon source of the present invention, described settling tank is with between liquid meter, arrange valve respectively between the sludge pipe that makes mud broken wall pond be connected with biochemical reaction tank and settling tank respectively.
A kind of Sewage treatment systems utilizing excess sludge supplementary carbon source of the present invention, described computer supervisory control system is connected with ozonizer with nanometer micropore aerator, COD detector, mud level meter, sludge pump, valve, liquid meter, gas meter respectively by data acquisition line concentration.
Beneficial effect of the present invention is:
(1) in mud broken wall pond, excess sludge and ozone carry out mixing fully and reaction, the strong sterilization and disinfection effect of ozone makes most microorganism in excess sludge lose activity, cell is destroyed, the organic substances such as the sugar in body, protein and nucleic acid discharge, and the backflow of these organic substances enters in biochemical reaction tank and can be consumed as nutritive substance.For sanitary sewage active sludge processing system, significantly reduce the sludge quantity needing outer row, protect environment; For trade effluent active sludge processing system, significantly reduce the artificial carbon source amount dropped into, saved resource.
(2) nanometer micropore aerator, COD detector, mud level meter, sludge pump, liquid meter, ozonizer, gas meter are connected with computer controlled automatic sub-system by data acquisition line concentration with valve, realize the automatic collection of data and the real-time accuracy controlling of equipment, decrease the error of manual shift, save labour, running maintenance is simple and convenient, provides necessary technical support to the future development of sewage treatment industry.
Accompanying drawing explanation
Fig. 1 is a kind of Sewage treatment systems schema utilizing excess sludge supplementary carbon source of the present invention.
Reference numeral: 1, pretreatment pool; 2, biochemical reaction tank; 3, settling tank; 4, sludge pump; 5, liquid meter; 6, mud broken wall pond; 7, gas meter; 8, ozonizer; 9, sludge pipe; 10, computer supervisory control system; 11, nanometer micropore aerator; 12, COD detector; 13, mud level meter; 14, data acquisition line concentration; 15, valve.
Embodiment
For better understanding the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, and following examples are only that the present invention will be described but not are limited it.
system architecture:
As shown in Figure 1, a kind of Sewage treatment systems utilizing excess sludge supplementary carbon source, comprise the sewage disposal sub-system be made up of pretreatment pool 1, biochemical reaction tank 2, nanometer micropore aerator 11 and settling tank 3, the sludge treatment sub-system be made up of sludge pump 4, liquid meter 5, mud broken wall pond 6, gas meter 7, ozonizer 8, sludge pipe 4 and valve 15 and the computer controlled automatic sub-system be made up of computer supervisory control system 10, COD detector 12, mud level meter 13 and data acquisition line concentration 14.
The water outlet of pretreatment pool 1 is connected with the water-in of biochemical reaction tank 2, and the water outlet of biochemical reaction tank 2 is connected with the water-in of settling tank 3; Sludge pump 4 is arranged in settling tank 3, mud broken wall pond 6 is connected with settling tank 3 with biochemical reaction tank 2 respectively by sludge pipe, article two, separately arrange a sludge pipe 9 between sludge pipe 9 to be connected, one valve 15 is set therebetween, the inlet mouth in mud broken wall pond 6 is connected with the air outlet of ozonizer 8, liquid meter 5 is arranged between settling tank 3 and mud broken wall pond 6, arrange valve 15 between settling tank 3 and liquid meter 5, gas meter 7 is arranged between mud broken wall pond 6 and ozonizer 8; Computer supervisory control system 10 is connected with ozonizer 8 with nanometer micropore aerator 11, COD detector 12, mud level meter 13, sludge pump 4, valve 15, liquid meter 5, gas meter 7 respectively by data acquisition line concentration 14.
operation logic:
First sewage flow into pretreatment pool 1, flow by gravity enters biochemical reaction tank 2 after pretreatment, nanometer micropore aerator 11 is utilized to carry out oxygenation stirring in biochemical reaction tank 2, organic pollutant in sewage is fully absorbed by active sludge decompose, the sewage after biochemical treatment then flows automatically and enters settling tank 3 and discharge after mud-water separation.
COD detector 12 in biochemical reaction tank 2 monitors the COD content in biochemical reaction tank 2 in real time, and by its information feed back to computer supervisory control system 10, computer supervisory control system 10 judges it according to the standard on data of original setting, and sends instruction to control keying and the working time of sludge treatment sub-system.Mud level meter 13 in settling tank 3 is monitoring clarifier sludge content in real time, and by its information feed back to computer supervisory control system 10, computer supervisory control system 10 judges it according to the standard on data of original setting, and sends instruction to control keying and the working time of sludge pump 4.
Precipitating sludge in settling tank 3 enters the mud broken wall pond 6 of sludge treatment sub-system through sludge pump 4, and liquid meter 5 accesses computer supervisory control system 10 and monitors the mud discharge regulating and enter mud broken wall pond 6 in real time; Ozonizer 8 accesses mud broken wall pond 6 by pipeline and gas meter 7, and gas meter 7 accesses computer supervisory control system 10 and monitors the ozone flow regulating and be filled with mud broken wall pond 6 in real time; Mud broken wall pond 6 is devices of excess sludge and ozone hybrid reaction, by the strong oxygenizement of ozone, kills the various microorganisms in excess sludge, makes the VOCs emissions such as the sugar in microbe, protein, nucleic acid out.Mud broken wall pond 6 exports and connects biochemical reaction tank 2 by sludge pipe 9, and by the residual sludge reflux after process to biochemical reaction tank 2, the large amount of organic in excess sludge just can carry out utilization of resources as the carbon source of active sludge.
Computer supervisory control system 10 gathers the data message of COD detector 12, mud level meter 13, liquid meter 5, gas meter 7 by data acquisition line concentration 14, is automatically controlled opening and closing and the frequency of micro-nano hole aerator 11, sludge pump 4, ozonizer 8 and valve 15 through hind computation again by data acquisition line concentration 14.
The above embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determine.
Claims (5)
1. one kind utilizes the Sewage treatment systems of excess sludge supplementary carbon source, it is characterized in that: comprise sewage disposal sub-system, sludge treatment sub-system and computer controlled automatic sub-system, described sewage disposal sub-system is connected with sludge treatment sub-system by sludge pipe, and described computer controlled automatic sub-system is connected with sludge treatment sub-system with sewage disposal sub-system respectively by data acquisition line concentration.
2. a kind of Sewage treatment systems utilizing excess sludge supplementary carbon source according to claim 1, it is characterized in that: described sewage disposal sub-system comprises pretreatment pool, biochemical reaction tank and settling tank, the water outlet of described pretreatment pool is connected with the water-in of biochemical reaction tank, and the water outlet of biochemical reaction tank is connected with the water-in of settling tank;
Described sludge treatment sub-system comprises sludge pump, liquid meter, mud broken wall pond, gas meter and ozonizer, described sludge pump is arranged in settling tank, mud broken wall pond is connected with settling tank with biochemical reaction tank respectively by sludge pipe, article two, separately arrange a sludge pipe between sludge pipe to be connected, the inlet mouth in mud broken wall pond is connected with the air outlet of ozonizer, liquid meter is arranged between settling tank and mud broken wall pond, and gas meter is arranged between mud broken wall pond and ozonizer;
Described computer controlled automatic sub-system comprises computer supervisory control system, COD detector, mud level meter and data acquisition line concentration, and described COD detector is arranged at biochemical reaction tank inside, and mud level meter is arranged at settling tank inside.
3. a kind of Sewage treatment systems utilizing excess sludge supplementary carbon source according to claim 2, is characterized in that: described biochemical reaction tank inside is provided with nanometer micropore aerator.
4. a kind of Sewage treatment systems utilizing excess sludge supplementary carbon source according to claim 3, is characterized in that: described settling tank is with between liquid meter, arrange valve respectively between the sludge pipe that makes mud broken wall pond be connected with biochemical reaction tank and settling tank respectively.
5. a kind of Sewage treatment systems utilizing excess sludge supplementary carbon source according to claim 4, is characterized in that: described computer supervisory control system is connected with ozonizer with nanometer micropore aerator, COD detector, mud level meter, sludge pump, valve, liquid meter, gas meter respectively by data acquisition line concentration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510875296.6A CN105347474A (en) | 2015-12-03 | 2015-12-03 | Sewage treatment system adopting excess sludge to supplement carbon source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510875296.6A CN105347474A (en) | 2015-12-03 | 2015-12-03 | Sewage treatment system adopting excess sludge to supplement carbon source |
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| CN105347474A true CN105347474A (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510875296.6A Pending CN105347474A (en) | 2015-12-03 | 2015-12-03 | Sewage treatment system adopting excess sludge to supplement carbon source |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751400A (en) * | 2018-06-11 | 2018-11-06 | 李晓伟 | A kind of urban sewage treating device |
| CN109467293A (en) * | 2018-12-25 | 2019-03-15 | 湖南智水环境工程有限公司 | Sludge reduction device and water treatment facilities |
| CN109467281A (en) * | 2018-12-25 | 2019-03-15 | 湖南智水环境工程有限公司 | Sewage disposal device |
Citations (3)
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| CN102617004A (en) * | 2012-04-19 | 2012-08-01 | 天津凯英科技发展有限公司 | Sewage treatment system for developing and applying carbon source by using authigenic sludge |
| CN104787986A (en) * | 2015-04-27 | 2015-07-22 | 绍兴立源科技信息有限公司 | Mobile intelligent water treatment device and method |
| CN205241333U (en) * | 2015-12-03 | 2016-05-18 | 安徽锋亚环境技术有限公司 | Utilize excess sludge to supply sewage treatment system of carbon source |
-
2015
- 2015-12-03 CN CN201510875296.6A patent/CN105347474A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102617004A (en) * | 2012-04-19 | 2012-08-01 | 天津凯英科技发展有限公司 | Sewage treatment system for developing and applying carbon source by using authigenic sludge |
| CN104787986A (en) * | 2015-04-27 | 2015-07-22 | 绍兴立源科技信息有限公司 | Mobile intelligent water treatment device and method |
| CN205241333U (en) * | 2015-12-03 | 2016-05-18 | 安徽锋亚环境技术有限公司 | Utilize excess sludge to supply sewage treatment system of carbon source |
Non-Patent Citations (1)
| Title |
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| 刘载文等: "《污水处理过程优化控制系统》", 30 April 2014, 中国轻工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751400A (en) * | 2018-06-11 | 2018-11-06 | 李晓伟 | A kind of urban sewage treating device |
| CN109467293A (en) * | 2018-12-25 | 2019-03-15 | 湖南智水环境工程有限公司 | Sludge reduction device and water treatment facilities |
| CN109467281A (en) * | 2018-12-25 | 2019-03-15 | 湖南智水环境工程有限公司 | Sewage disposal device |
| CN109467281B (en) * | 2018-12-25 | 2024-03-05 | 湖南智水环境科技有限公司 | Sewage treatment equipment |
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Application publication date: 20160224 |