CN102079611A - Wastewater treatment self-control method - Google Patents
Wastewater treatment self-control method Download PDFInfo
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- CN102079611A CN102079611A CN 201010593424 CN201010593424A CN102079611A CN 102079611 A CN102079611 A CN 102079611A CN 201010593424 CN201010593424 CN 201010593424 CN 201010593424 A CN201010593424 A CN 201010593424A CN 102079611 A CN102079611 A CN 102079611A
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Abstract
In the wastewater system in the invention, a mechanical grid runs at regular time to clean up large impurities in raw water and prevent the water pump and pipeline from blocking; and aeration and drainage are performed according to the preset program and the amount of wastewater in a two-way two-pole CASS pool, thus the wastewater system is in an automatic operation state completely. The whole wastewater treatment technology does not require the dosing system, thus the operating cost can be greatly reduced. The operation of the wastewater system is stable, the wastewater treatment capability is increased, the chemical oxygen demand (COD) value is reduced from 120mg/L to about 60mg/L; and the degree of automation is increased, the wastewater system is only required to be inspected daily and the labor intensity is reduced.
Description
Technical field
The present invention relates to the transformation to Sewage treatment systems, specifically is that a kind of operation supervisor that can make is oversimplified, and to alleviate working strength of workers, reduces the pharmacy sewage treatment process of the comprehensive cost of wastewater treatment.
Background technology
Mainly contain microbiotic in the existing pharmacy waste water, macrocyclic lipoid, benzene ring substance belongs to the polymer toxic substance, and biology is had certain toxicity or inhibition. because product is numerous, draining water quality complexity needs artificial dosing to handle.Yet the chemical oxygen demand cod instability in the draining can exist COD to exceed the situation of original design value, therefore need change the entire sewage treatment process, makes it can reach the fully automated operation.
Shown in Figure 1 is the flow process of an existing pharmacy sewage treatment process, the trade effluent that produces enters anaerobic pond, anaerobion and oxygen consumption biology are tamed, reach the effect of impurity primary settling simultaneously, after the waste water after the process anaerobism enters settling tank, make the impurity in the waste water obtain secondary settlement, despumation, and then enter the CASS pond and carry out aeration and handle, through four hours aeration, the water after handling is discharged.There is the processing power instability in this technology, belongs to operating system manually, and labour intensity is bigger, and working conditions is abominable, and security incident easily takes place.Because operator's level differs, easily produce man-made fault, and make the qualified ER for emission rate of sewage hang down inferior drawback simultaneously.
This technology is come under the unsettled situation of the water yield at sewage, and the discharging qualification rate after the sewage disposal is low excessively, and technology can not effectively be controlled qualified discharge for the variation that comes the water yield.In addition, this technical process belongs to pure manual system, and no automatization control because operator's level differs, easily produces mishandle, and abnormal conditions can not in time be found and solve.
Summary of the invention
The purpose of this invention is to provide a kind of operation supervisor that can make and oversimplify, to alleviate working strength of workers, the comprehensive cost of reduction wastewater treatment, the sewage disposal automatic control method that suitable pharmacy sewage is handled.
The technical scheme that adopts for realization the object of the invention is such, promptly a kind of pharmacy sewage treatment process, and flow process is as follows:
Waste water is after just settling tank, grille well enter equalizing tank, dividing two-way to carry out subsequent control handles, every road is made of one-level CASS pond, selection pond and secondary CASS pond respectively, the end that goes out of secondary CASS pond supernatant liquor is communicated with the qualified discharge pipe, and sewage continues to be communicated with equalizing tank by backflow pool, sewage backflow pump and sewage backflow passage; Described secondary CASS pond has the return flow line, be communicated with selecting the pond by sludge reflux pump, in described two-way subsequent processes, form two on all four interlock combinations of equipment by the raw water pump that equalizing tank is communicated with one-level CASS pond, sludge reflux pump, the blower fan in CASS pond, sewage backflow pump respectively, be designed to A combination and B combination respectively; Automatic control process is as follows:
Grid maker in the grille well every two hours grid maker was opened 10 minutes automatically; When the equalizing tank ball float is in a high position, the combination of A road at first brings into operation, its action sequence is: raw water pump starts, sludge reflux pump starts, stop after 30 minutes, sludge reflux pump stops, raw water pump, sludge reflux pump stop 30 minutes rear fans and start, and open the sewage backflow pump, the liquid level ball float that the work of sewage backflow pump is subjected to be provided with in the backflow pool is controlled, and opens when liquid level is high, stop when liquid level is low, fan starting after 4 hours and the equalizing tank ball float when being in a high position blower fan stop, after blower fan stops 1 hour, enter next circulation;
The B combination started than the A combination for the first time in late 3 hours, and its action sequence is identical with the A combination.
The present invention promptly need not medicine system in the sewage treatment process because the technique effect that adopts aforesaid method to obtain is significant, has saved running cost greatly.Adopt two processing circuitry, reduced the overlength consumption of equipment in every circuit, make the service life of equipment long running stable, also improved simultaneously sewage treatment capacity, the COD value had been dropped to about 60mg/L by former 120mg/L, and level of automation is improved, and daily need are patrolled and examined at once, have reduced hand labor intensity.
Description of drawings
Accompanying drawing 1 is the flow process of existing a kind of sewage treatment process;
Accompanying drawing 2 is the flow process of treatment process of the present invention.
Embodiment
Referring to accompanying drawing 2, sewage water treatment method technical process of the present invention is as follows:
Waste water is after just the slagging-off of settling tank preliminary sedimentation, grille well enters equalizing tank, dividing two-way to carry out subsequent control handles, every road is carried out aeration by one-level CASS pond respectively and is handled, selects pond precipitation and secondary CASS pond to take in one's arms to handle to constitute, the end that goes out of the supernatant liquor in secondary CASS pond is communicated with the qualified discharge pipe, and sewage continues to be communicated with equalizing tank by backflow pool, sewage backflow pump and sewage backflow passage; Described secondary CASS pond has the return flow line and is communicated with selecting the pond by sludge reflux pump, in described two-way subsequent processes, respectively by the raw water pump that equalizing tank is communicated with one-level CASS pond, the blower fan in sludge reflux pump, CASS pond, sewage backflow pump are formed two on all four interlock combinations of equipment, are designed to A combination and B combination respectively; Automatic control process is as follows:
Grid maker in the grille well every two hours grid maker was opened 10 minutes automatically; When the equalizing tank ball float is in a high position, the combination of A road at first brings into operation, its action sequence is: the raw water pump that is communicated with one-level CASS pond 1 starts, sludge reflux pump 1 starts, raw water pump stops after 30 minutes, sludge reflux pump 1 stops, sludge reflux pump stops one-level CASS pond after 30 minutes, the fan starting in secondary CASS pond, and open the sewage backflow pump, the liquid level ball float that the work of sewage backflow pump is subjected to be provided with in the backflow pool is controlled, and opens when liquid level is high, stop when liquid level is low, the sewage backflow pump has only under the situation that blower fan is opened and just can start, and when blower fan stopped, the sewage backflow pump was failure to actuate; Fan starting after 4 hours and the equalizing tank ball float when being in a high position blower fan stop, after blower fan stops 1 hour, enter next circulation;
The B combination started than the A combination for the first time in late 3 hours, its action sequence is identical with the A combination, be after the combination of A road at first brought into operation 3 hours, when the equalizing tank ball float is in a high position, the raw water pump that is communicated with one-level CASS pond starts, sludge reflux pump 2 starts, and raw water pump stops after 30 minutes, and sludge reflux pump 2 stops, sludge reflux pump 2 stops after 30 minutes one, the fan starting in two CASS ponds, and open the sewage backflow pump, the liquid level ball float that the work of sewage backflow pump is subjected to be provided with in the backflow pool is controlled, and opens when liquid level is high, stop when liquid level is low, the sewage backflow pump has only under the situation that blower fan is opened and just can start, and when blower fan stopped, the sewage backflow pump was failure to actuate.Fan starting after 4 hours and the equalizing tank ball float when being in a high position blower fan stop, after blower fan stops 1 hour, enter next circulation.
Further optimize, the secondary CASS pond in the A among the figure, the B combination is communicated with first settling tank by sludge reflux pump, sludge thickener supernatant liquor return flow line respectively.Measure mud by manual inspection, do not open sludge reflux pump less than 30% the time, opened sludge reflux pump less than 60% o'clock, the mud in the secondary CASS pond is back to selects to precipitate in the pond greater than 30% when the mud capacity in the secondary CASS pond; When mud capacity secondary CASS pond in described A, the B combination greater than 60% time is back to mud in the sludge thickener by sludge reflux pump respectively, the supernatant liquor in the sludge thickener is back in the equalizing tank by reflux pump.Mud in the sludge thickener is by manually salvaging processing.
Above-mentioned action sequence is by PLC control and operation automatically.
In entering the passage in one-level CASS pond, equalizing tank is provided with manual valve, the size of opening according to the flow control manual valve that comes water; When coming the flow of water big, the manual valve complete opening when coming discharge hour, only needs the unlatching of 1/3 degree.
By above automated procedure, each volume is that 60 tons CASS pond intakes four times every day in practice, 50 tons of each drainings, totally 200 tons, 400 tons of/day waste water of two groups of pond co-processing.
Simultaneously, owing to be that PLC controls automatically, the time of equipment operation can also make amendment according to practical situation, guarantee that Holidays, program was moved automatically to having long holidays, just on aeration time and water discharge time, reduce to some extent than normal working procedure, also can operation automatically under the insufficient situation in water source during having a holiday or vacation thereby guarantee.When making wastewater flow rate not enough, the starting mode of pump time will change automatically according to the water yield, also respective flexible change of water discharge time.
Claims (2)
1. sewage disposal automatic control method, flow process is as follows:
Sewage is after just settling tank, grille well enter equalizing tank, dividing two-way to carry out subsequent control handles, every road is made of one-level CASS pond, selection pond and secondary CASS pond respectively, the end that goes out of secondary CASS pond supernatant liquor is communicated with the qualified discharge pipe, and sewage continues to be communicated with equalizing tank by backflow pool, sewage backflow pump and sewage backflow passage; Described secondary CASS pond has the return flow line and is communicated with selecting the pond by sludge reflux pump, in described two-way subsequent processes, respectively by the raw water pump that equalizing tank is communicated with one-level CASS pond, the blower fan in sludge reflux pump, CASS pond, sewage backflow pump are formed two on all four interlock combinations of equipment, count A combination and B combination respectively; Automatic control process is as follows:
Grid maker in the grille well every two hours grid maker was opened 10 minutes automatically; When the equalizing tank ball float is in a high position, the combination of A road at first brings into operation, its action sequence is: raw water pump starts, sludge reflux pump starts, raw water pump stops after 30 minutes, sludge reflux pump stops, sludge reflux pump stops 30 minutes rear fans and starts, and open the sewage backflow pump, the liquid level ball float that the work of sewage backflow pump is subjected to be provided with in the backflow pool is controlled, and opens when liquid level is high, stop when liquid level is low, fan starting after 4 hours and the equalizing tank ball float when being in a high position blower fan stop, after blower fan stops 1 hour, enter next circulation;
The B combination started than the A combination for the first time in late 3 hours, and its action sequence is identical with the A combination.
2. sewage disposal automatic control method according to claim 1, it is characterized in that: when the mud capacity in the secondary CASS pond is not opened sludge reflux pump less than 30% the time, opened sludge reflux pump greater than 30% less than 60% o'clock, the mud in the secondary CASS pond is back to selects to precipitate in the pond; When mud capacity secondary CASS pond in described A, the B combination greater than 60% time is back to mud in the sludge thickener by sludge reflux pump respectively, the supernatant liquor in the sludge thickener is back in the equalizing tank by reflux pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105934245A CN102079611B (en) | 2010-12-17 | 2010-12-17 | Wastewater treatment self-control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105934245A CN102079611B (en) | 2010-12-17 | 2010-12-17 | Wastewater treatment self-control method |
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| Publication Number | Publication Date |
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| CN102079611A true CN102079611A (en) | 2011-06-01 |
| CN102079611B CN102079611B (en) | 2012-07-25 |
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| CN2010105934245A Expired - Fee Related CN102079611B (en) | 2010-12-17 | 2010-12-17 | Wastewater treatment self-control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106904673A (en) * | 2017-03-21 | 2017-06-30 | 宜兴华都琥珀环保机械制造有限公司 | Sewage disposal system and its operation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998030504A1 (en) * | 1997-01-09 | 1998-07-16 | Bisasco Pty. Limited | Aerated removal of nitrogen pollutants from biologically degradable wastewaters |
| CN2675653Y (en) * | 2004-01-08 | 2005-02-02 | 沈阳建筑工程学院 | Integral film intermittent active sludge reactor facility |
| CN1718550A (en) * | 2005-04-29 | 2006-01-11 | 吴学云 | Biochemical treatment method of high concentration organic waste water |
| CN201381258Y (en) * | 2009-03-06 | 2010-01-13 | 北京倍尼尔科技发展有限公司 | High-concentration organic wastewater treatment system |
-
2010
- 2010-12-17 CN CN2010105934245A patent/CN102079611B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998030504A1 (en) * | 1997-01-09 | 1998-07-16 | Bisasco Pty. Limited | Aerated removal of nitrogen pollutants from biologically degradable wastewaters |
| CN2675653Y (en) * | 2004-01-08 | 2005-02-02 | 沈阳建筑工程学院 | Integral film intermittent active sludge reactor facility |
| CN1718550A (en) * | 2005-04-29 | 2006-01-11 | 吴学云 | Biochemical treatment method of high concentration organic waste water |
| CN201381258Y (en) * | 2009-03-06 | 2010-01-13 | 北京倍尼尔科技发展有限公司 | High-concentration organic wastewater treatment system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106904673A (en) * | 2017-03-21 | 2017-06-30 | 宜兴华都琥珀环保机械制造有限公司 | Sewage disposal system and its operation method |
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| CN102079611B (en) | 2012-07-25 |
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Address after: 400064 No. 2 Dashi branch, economic and Technological Development Zone, Nan'an District, Chongqing Applicant after: Chongqing Kerui Pharmaceutical (Group) Co., Ltd. Address before: 400064 No. 2 Dashi branch, economic and Technological Development Zone, Nan'an District, Chongqing Applicant before: Kerui Pharmaceutical Co., Ltd., Chongqing |
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Free format text: CORRECT: APPLICANT; FROM: KERUI PHARMACEUTICAL CO LTD, CHONGQING TO: CHONGQING KERUI PHARMACEUTICAL(GROUP) CO., LTD. |
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Granted publication date: 20120725 Termination date: 20131217 |