CN104276660A - Sequencing-batch real-time control sewage treatment device - Google Patents
Sequencing-batch real-time control sewage treatment device Download PDFInfo
- Publication number
- CN104276660A CN104276660A CN201410584999.9A CN201410584999A CN104276660A CN 104276660 A CN104276660 A CN 104276660A CN 201410584999 A CN201410584999 A CN 201410584999A CN 104276660 A CN104276660 A CN 104276660A
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- Prior art keywords
- sequence batch
- instrument
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- 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
- C02F3/006—Regulation methods for biological treatment
-
- 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
- C02F2209/005—Processes using a programmable logic controller [PLC]
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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
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- 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
- C02F2209/14—NH3-N
-
- 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
- C02F2301/04—Flow arrangements
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Activated Sludge Processes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to a sequencing-batch real-time control sewage treatment device which mainly comprises a water inlet pump, a biological selection pool, a sequencing-batch sewage treatment pool, a chemical adding device, a dosing pump, a water decanter, an air blower, a sludge concentration meter, an ultrasonic liquid level meter, a pH meter, a DO (dissolved oxygen) meter, an ORP (oxidation-reduction potential) meter, an ammonia nitrogen online monitoring instrument, a DA/AD data converter, a PLC control cabinet, and a remote control computer, wherein the water inlet pump is sequentially connected with the biological selection pool and the sequencing-batch sewage treatment pool; and the sludge concentration meter and the ultrasonic liquid level meter are arranged in the sequencing-batch sewage treatment pool, the pH meter, the DO meter, the ORP meter and the ammonia nitrogen online monitoring instrument are arranged on the side wall of the sequencing-batch sewage treatment pool, and all the devices are connected with the DA/AD data converter by cables, and the PLC control cabinet is connected with the remote control computer via an Ethernet. The reaction completion time is judged according to the feature points of instrument detection data, and sludge bulking and electric energy dissipation caused by insufficient aeration or overlong aeration time are effectively prevented by using real-time control.
Description
Technical field
The present invention relates to a kind of sequence batch (and control waste disposal plant in real time, belong to technical field of sewage.
Background technology
Sewage disposal sequencing batch active sludge is called for short SBR, SBR technique is a kind of active sludge sewage disposal technology run by intermittent aeration mode, principal character is orderly and periodical operation operationally, the core of SBR technology is sbr reactor pond, SBR pond integrates homogenizing, just heavy, biological degradation, two functions such as heavy, in one reaction pool, be made up of water inlet, aeration, precipitation, draining and standby five operations in chronological order.Existing routine techniques sets the regular hour to each operation, application timing register controls, but the influent concentration of sewage is constantly change, if concentration of wastewater is lower, aeration time will be long, and SVI value raises, sludge bulking and waste electric energy will be caused, if concentration of wastewater is too high in addition, aeration time will be not enough, disposes of sewage not up to standard.Therefore, carry out controlling in real time to be necessary to the sewage disposal of sequencing batch active sludge.
Summary of the invention
A kind of sequence batch (is the object of the present invention is to provide to control waste disposal plant in real time, the unique point detecting data according to instrument judges to react the deadline, adopt real-time control effectively to prevent aeration not enough, or aeration time longly will cause sludge bulking and waste electric energy.
The present invention is achieved through the following technical solutions: a kind of sequence batch (controls waste disposal plant in real time, mainly comprises: intake pump, bioselection pond, sequence batch (treatment tank, medicament adding device, dosing pump, water decanter, gas blower, sludge concentration meter, ultrasonic level gage, PH instrument, DO instrument, ORP instrument, ammonia nitrogen on-line computing model, DA/AD data transducer, PLC control cabinet, remote control computer; It is characterized in that: described intake pump connects bioselection pond, sequence batch (treatment tank successively, and the water-in entering sequence batch (treatment tank in bioselection pond is provided with chemical-dosing mixer; Sludge concentration meter, ultrasonic level gage is provided with in described sequence batch (treatment tank, and the sidewall of sequence batch (treatment tank is provided with PH instrument, DO instrument, ORP instrument and ammonia nitrogen on-line computing model, instrument in sequence batch (treatment tank all connects DA/AD data transducer by cable, DA/AD data transducer is connected with PLC control cabinet by cable, and PLC control cabinet is connected with remote control computer by Ethernet; The bottom sidewall of described sequence batch (treatment tank is provided with diving mixer.
The bottom of described sequence batch (treatment tank is provided with reflux pump, and reflux pump is connected with bioselection pond by pipeline.Reflux pump is by the base sludge suction bioselection pond of sequence batch (treatment tank, and in bioselection pond, the very fast dominant bacteria growth adapted to is very fast, and sewage enters sequence batch (treatment tank.
Be provided with water decanter in described sequence batch (treatment tank, water decanter rising pipe is connected with bleed valve.Water decanter start and stop control according to PLC control cabinet, and bleed valve controls the switch of draining.
Further, described medicament adding device connects dosing pump and chemical-dosing mixer successively by pipeline.Medicament adding device can the medicament such as carbon source, nutrition of add-on system reaction needed.
Principle of work of the present invention: pump in bioselection pond by intake pump through pretreated sewage, in bioselection pond, the very fast dominant bacteria growth adapted to is very fast, and sewage enters in sequence batch (treatment tank, sequentially by intaking, aeration, precipitation, draining and standby five operations, when entering the liquid level reaching setting, ultrasonic level gage detects liquid level, and PLC control cabinet controls intake pump and stops, and starts diving mixer and carries out mix and blend to sequence batch (treatment tank, start gas blower aeration, PH instrument, DO instrument, ORP instrument, ammonia nitrogen on-line computing model detects data, and is transferred to PLC control cabinet by DA/AD data transducer, remote control computer, according to each parameter instruction of programming software and setting, controls gas blower and opens, different traditional time controling, introduces instrument and obtains real time data and control in real time sequence batch (treatment tank, according to PH instrument, DO instrument, ORP instrument, the unique point that ammonia nitrogen on-line computing model detects data judges to react the deadline.After the continuous aeration of sewage, organic pollutant is by microorganism constantly oxidative degradation, when organic pollutant (COD) is down to difficult degradation part, DO, ORP significantly rises suddenly, then, autotrophic bacteria starts to carry out nitration reaction, there is DO in reaction process, ORP not section rises until nitrated end, if continuation aeration, it is substantially constant that DO will maintain high level, now turn off the blast machine aeration, after terminating aeration, start diving mixer and stir certain hour, stir, system enters the denitrification stage, ORP not section declines, at the end of denitrification, there is flex point in ORP data, sewage enters the anaerobic reaction stage.Ammonia nitrogen on-line computing model detects data equally can as control reference.Carry out precipitator's sequence after the anaerobic reaction stage, sludge concentration meter detects sludge concentration and sludge blanket liquid level, and then start water decanter and carry out drain operation, after drain operation, system enters holding state, then carries out next loop cycle.
Beneficial effect of the present invention: according to each parameter instruction of programming software and setting, control gas blower is opened, different traditional time controling, introducing instrument obtains real time data and controls in real time sequence batch (treatment tank, unique point according to PH instrument, DO instrument, ORP instrument, ammonia nitrogen on-line computing model detection data judges to react the deadline, real-time control is adopted effectively to prevent aeration deficiency from affecting water quality, or aeration time will be long, SVI value raises, and will cause sludge bulking and waste electric energy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Number in the figure is expressed as: 1-intake pump; 2-bioselection pond; 3-chemical-dosing mixer; 4-sequence batch (treatment tank; 5-medicament adding device; 6-dosing pump; 7-water decanter; 8-gas blower; 9-bleed valve; 10-reflux pump; 11-aerator; 12-diving mixer; 13-blow-off valve; 14-sludge concentration meter; 15-ultrasonic level gage; 16-PH instrument; 17-DO instrument; 18-ORP instrument; 19-ammonia nitrogen on-line computing model; 20-DA/AD data transducer; 21-PLC control cabinet; 22-remote control computer.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.But embodiments of the present invention are not limited thereto.
Embodiment: as shown in Figure 1, a kind of sequence batch (controls waste disposal plant in real time, mainly comprises: intake pump (1), bioselection pond (2), sequence batch (treatment tank (4), medicament adding device (5), dosing pump (6), water decanter (7), gas blower (8), sludge concentration meter (14), ultrasonic level gage (15), PH instrument (16), DO instrument (17), ORP instrument (18), ammonia nitrogen on-line computing model (19), DA/AD data transducer (20), PLC control cabinet (21), remote control computer (22); It is characterized in that: described intake pump (1) connects bioselection pond (2), sequence batch (treatment tank (4) successively, the water-in entering sequence batch (treatment tank (4) in bioselection pond (2) is provided with chemical-dosing mixer (3); Sludge concentration meter (14), ultrasonic level gage (15) is provided with in described sequence batch (treatment tank (4), and the sidewall of sequence batch (treatment tank (4) is provided with PH instrument (16), DO instrument (17), ORP instrument (18) and ammonia nitrogen on-line computing model (19), instrument in sequence batch (treatment tank (4) all connects DA/AD data transducer (20) by cable, DA/AD data transducer (20) is connected with PLC control cabinet (21) by cable, and PLC control cabinet (21) is connected with remote control computer (22) by Ethernet; The bottom sidewall of described sequence batch (treatment tank (4) is provided with diving mixer (12).
The bottom of described sequence batch (treatment tank (4) is provided with reflux pump (10), and reflux pump (10) is connected with bioselection pond (2) by pipeline.Reflux pump (10) is by the base sludge suction bioselection pond (2) of sequence batch (treatment tank (4), and in bioselection pond (2), the very fast dominant bacteria growth adapted to is very fast, and sewage enters sequence batch (treatment tank (4).
Be provided with water decanter (7) in described sequence batch (treatment tank (4), water decanter (7) rising pipe is connected with bleed valve (9).Water decanter (7) start and stop control according to PLC control cabinet (21), and bleed valve (9) controls the switch of draining.
Further, described medicament adding device (5) connects dosing pump (6) and chemical-dosing mixer (3) successively by pipeline.Medicament adding device (5) can the medicament such as carbon source, nutrition of add-on system reaction needed.
When work of the present invention runs: pump in bioselection pond (2) through pretreated sewage by intake pump (1), in bioselection pond (2), the very fast dominant bacteria growth adapted to is very fast, sewage enters in sequence batch (treatment tank (4), sequentially by intaking, aeration, precipitation, draining and standby five operations, when entering the liquid level reaching setting, ultrasonic level gage (15) detects liquid level, PLC control cabinet (21) controls intake pump (1) and stops, start diving mixer (12) and mix and blend is carried out to sequence batch (treatment tank (4), start gas blower (8) aeration, PH instrument (16), DO instrument (17), ORP instrument (18), ammonia nitrogen on-line computing model (19) detects data, and be transferred to PLC control cabinet (21) by DA/AD data transducer (20), remote control computer (22), according to each parameter instruction of programming software and setting, control gas blower (8) to open, different traditional time controling, introducing instrument obtains real time data and controls in real time sequence batch (treatment tank (4), according to PH instrument (16), DO instrument (17), ORP instrument (18), the unique point that ammonia nitrogen on-line computing model (19) detects data judges to react the deadline, real-time control is adopted effectively to prevent aeration deficiency from affecting water quality, or aeration time will be long, SVI value raises, sludge bulking and waste electric energy will be caused.After the continuous aeration of sewage, organic pollutant is by microorganism constantly oxidative degradation, when organic pollutant (COD) is down to difficult degradation part, DO, ORP significantly rises suddenly, then, autotrophic bacteria starts to carry out nitration reaction, there is DO in reaction process, ORP not section rises until nitrated end, if continuation aeration, it is substantially constant that DO will maintain high level, now turn off the blast machine (8) aeration, after terminating aeration, start diving mixer (12) and stir certain hour, stir, system enters the denitrification stage, ORP not section declines, at the end of denitrification, there is flex point in ORP data, sewage enters the anaerobic reaction stage.Ammonia nitrogen on-line computing model (19) detects data equally can as control reference.Carry out precipitator's sequence after the anaerobic reaction stage, sludge concentration meter (14) detects sludge concentration and sludge blanket liquid level, and then start water decanter (7) and carry out drain operation, after drain operation, system enters holding state, then carries out next loop cycle.
Just better the present invention can be realized as mentioned above.
Claims (4)
1. sequence batch (controls a waste disposal plant in real time, mainly comprises: intake pump (1), bioselection pond (2), sequence batch (treatment tank (4), medicament adding device (5), dosing pump (6), water decanter (7), gas blower (8), sludge concentration meter (14), ultrasonic level gage (15), PH instrument (16), DO instrument (17), ORP instrument (18), ammonia nitrogen on-line computing model (19), DA/AD data transducer (20), PLC control cabinet (21), remote control computer (22); It is characterized in that: described intake pump (1) connects bioselection pond (2), sequence batch (treatment tank (4) successively, the water-in entering sequence batch (treatment tank (4) in bioselection pond (2) is provided with chemical-dosing mixer (3); Sludge concentration meter (14), ultrasonic level gage (15) is provided with in described sequence batch (treatment tank (4), and the sidewall of sequence batch (treatment tank (4) is provided with PH instrument (16), DO instrument (17), ORP instrument (18) and ammonia nitrogen on-line computing model (19), instrument in sequence batch (treatment tank (4) all connects DA/AD data transducer (20) by cable, DA/AD data transducer (20) is connected with PLC control cabinet (21) by cable, and PLC control cabinet (21) is connected with remote control computer (22) by Ethernet; The bottom sidewall of described sequence batch (treatment tank (4) is provided with diving mixer (12).
2. a kind of sequence batch (according to claim 1 controls waste disposal plant in real time, it is characterized in that: the bottom of described sequence batch (treatment tank (4) is provided with reflux pump (10), and reflux pump (10) is connected with bioselection pond (2) by pipeline.
3. a kind of sequence batch (according to claim 1 controls waste disposal plant in real time, it is characterized in that: be provided with water decanter (7) in described sequence batch (treatment tank (4), water decanter (7) rising pipe is connected with bleed valve (9).
4. a kind of sequence batch (according to claim 1 controls waste disposal plant in real time, it is characterized in that: described medicament adding device (5) connects dosing pump (6) and chemical-dosing mixer (3) successively by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410584999.9A CN104276660A (en) | 2014-10-28 | 2014-10-28 | Sequencing-batch real-time control sewage treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410584999.9A CN104276660A (en) | 2014-10-28 | 2014-10-28 | Sequencing-batch real-time control sewage treatment device |
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| CN104276660A true CN104276660A (en) | 2015-01-14 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084544A (en) * | 2015-09-10 | 2015-11-25 | 北京今大禹环保技术有限公司 | Double-reflux impact resistant biological micro-aerobic bed and wastewater biochemical treatment process using same |
| CN105617726A (en) * | 2016-04-08 | 2016-06-01 | 河南泽衡环保科技股份有限公司 | Sludge tank of sewage treatment plant |
| CN105645728A (en) * | 2016-04-08 | 2016-06-08 | 河南泽衡环保科技股份有限公司 | Control device of supernatant extracting device |
| CN105664574A (en) * | 2016-04-08 | 2016-06-15 | 河南泽衡环保科技股份有限公司 | Floating water taking device of supernatant extracting device |
| CN105709468A (en) * | 2016-04-08 | 2016-06-29 | 河南泽衡环保科技股份有限公司 | Supernatant extracting device of sludge tank of sewage treatment plant |
| CN106698851A (en) * | 2017-01-18 | 2017-05-24 | 杭州问源环保科技股份有限公司 | Wastewater treatment process based on combination of super magnetic separation and SBR (Styrene Butadiene Rubber) technique |
| CN106916730A (en) * | 2017-03-24 | 2017-07-04 | 招商局生态环保科技有限公司 | Batch-type microorganism incubator |
| CN107434333A (en) * | 2016-12-31 | 2017-12-05 | 华南理工大学 | The SBR water treatment facilities and method of a kind of intensified denitrification and dephosphorization |
| CN108862579A (en) * | 2018-06-26 | 2018-11-23 | 北京工业大学 | The system and method for real-time control DO realization municipal sewage integration short distance nitration Anammox efficient denitrification |
| CN111620438A (en) * | 2020-06-01 | 2020-09-04 | 北京首创股份有限公司 | Optimal control method for reducing energy consumption of ICEAS sewage treatment process |
| CN111675336A (en) * | 2020-07-08 | 2020-09-18 | 北京信通碧水再生水有限公司 | Segmented water inlet multistage A/O process sludge expansion control system and method |
| CN113754049A (en) * | 2021-09-09 | 2021-12-07 | 广汽丰田汽车有限公司 | Biochemical pool aeration device, sewage treatment method, system and storage medium |
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| US20030158675A1 (en) * | 2002-02-19 | 2003-08-21 | Smith William G. | Method and system for real-time control of sampling instruments in a batch operation |
| CN101306878A (en) * | 2008-06-06 | 2008-11-19 | 北京工业大学 | Process control device of CAST step-feed and further denitrification and method |
| CN203021409U (en) * | 2013-01-23 | 2013-06-26 | 成都源创环保工程有限公司 | Batch-type biological sewage treatment device |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084544A (en) * | 2015-09-10 | 2015-11-25 | 北京今大禹环保技术有限公司 | Double-reflux impact resistant biological micro-aerobic bed and wastewater biochemical treatment process using same |
| CN105617726A (en) * | 2016-04-08 | 2016-06-01 | 河南泽衡环保科技股份有限公司 | Sludge tank of sewage treatment plant |
| CN105645728A (en) * | 2016-04-08 | 2016-06-08 | 河南泽衡环保科技股份有限公司 | Control device of supernatant extracting device |
| CN105664574A (en) * | 2016-04-08 | 2016-06-15 | 河南泽衡环保科技股份有限公司 | Floating water taking device of supernatant extracting device |
| CN105709468A (en) * | 2016-04-08 | 2016-06-29 | 河南泽衡环保科技股份有限公司 | Supernatant extracting device of sludge tank of sewage treatment plant |
| CN107434333A (en) * | 2016-12-31 | 2017-12-05 | 华南理工大学 | The SBR water treatment facilities and method of a kind of intensified denitrification and dephosphorization |
| CN106698851A (en) * | 2017-01-18 | 2017-05-24 | 杭州问源环保科技股份有限公司 | Wastewater treatment process based on combination of super magnetic separation and SBR (Styrene Butadiene Rubber) technique |
| CN106916730A (en) * | 2017-03-24 | 2017-07-04 | 招商局生态环保科技有限公司 | Batch-type microorganism incubator |
| CN108862579A (en) * | 2018-06-26 | 2018-11-23 | 北京工业大学 | The system and method for real-time control DO realization municipal sewage integration short distance nitration Anammox efficient denitrification |
| CN108862579B (en) * | 2018-06-26 | 2021-11-26 | 北京工业大学 | System and method for realizing urban sewage integrated shortcut nitrification anaerobic ammonia oxidation efficient denitrification by controlling DO in real time |
| CN111620438A (en) * | 2020-06-01 | 2020-09-04 | 北京首创股份有限公司 | Optimal control method for reducing energy consumption of ICEAS sewage treatment process |
| CN111620438B (en) * | 2020-06-01 | 2022-08-02 | 北京首创股份有限公司 | Optimal control method for reducing energy consumption of ICEAS sewage treatment process |
| CN111675336A (en) * | 2020-07-08 | 2020-09-18 | 北京信通碧水再生水有限公司 | Segmented water inlet multistage A/O process sludge expansion control system and method |
| CN113754049A (en) * | 2021-09-09 | 2021-12-07 | 广汽丰田汽车有限公司 | Biochemical pool aeration device, sewage treatment method, system and storage medium |
| CN113754049B (en) * | 2021-09-09 | 2023-06-23 | 广汽丰田汽车有限公司 | Biochemical tank aeration device, sewage treatment method, system and storage medium |
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Application publication date: 20150114 |