CN113636723A - Dephosphorization of handling domestic sewage adds medicine automated control system - Google Patents
Dephosphorization of handling domestic sewage adds medicine automated control system Download PDFInfo
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5209—Regulation methods for flocculation or precipitation
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/38—Gas flow rate
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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
- C02F3/006—Regulation methods for biological treatment
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Abstract
The invention discloses a dephosphorization and dosing automatic control system for treating domestic sewage, which comprises a real-time monitoring unit, a dosing analysis unit and an error correction unit, wherein the real-time monitoring unit and the dosing analysis unit are arranged to collect and calculate the phosphorus concentration of the current sewage so as to obtain the initial dosing amount, and the dosing duration of a dephosphorization agent is reasonably planned, so that the condition of adding medicines completely according to manual experience is avoided, and data support is provided for the addition of the dephosphorization agent; by arranging the error correction unit, the total phosphorus of the tail-end effluent is compared with the target phosphorus concentration, so that whether the phosphorus removal agent is excessive or small is judged, the dosage of the phosphorus removal agent is corrected through the error correction model, the working frequency of the variable-frequency dosing pump is adjusted, the agent addition condition and effect in the sewage treatment process can be quickly fed back and can be automatically adjusted correspondingly, the use of the agent is reduced, and the cost of sewage treatment is reduced.
Description
Technical Field
The invention relates to an automatic dosing system, in particular to a dephosphorization dosing automatic control system for treating domestic sewage.
Background
Effluent treated by a sewage treatment plant reaches a first-grade A discharge standard, the Total Phosphorus (TP) concentration of the effluent is less than 0.5mg/L, the range of the effluent of biological phosphorus removal is generally 0.5-2.0 mg/L, and the effluent can not stably reach the first-grade A standard, so that chemical auxiliary phosphorus removal is required. The chemical phosphorus removal process is widely applied to domestic sewage and industrial wastewater, and has the advantages of short water conservancy retention time, simple and convenient operation and control, stable operation and the like compared with biological phosphorus removal.
The general sewage treatment plant monitoring of effluent TP is mainly based on online detection data every two hours, when the data show that the total phosphorus of the effluent exceeds a control line, the process is adjusted according to previous experience, the adding amount of a phosphorus removal medicament is appropriately increased, even the phosphorus removal medicament is added in an excessive amount until the total phosphorus of the effluent monitored again meets a control target, the regulation and control mode is relatively lagged, the excessive administration is caused when the biological phosphorus removal effect is good, the operation cost is increased, the medicament shortage occurs when the biological phosphorus removal effect is not good, and the effluent exceeding risk is increased.
In the prior art, phosphorus removal and dosing are always manually adjusted and controlled in dosage for a long time, all the phosphorus removal and dosing control is determined by operating personnel according to the quality of inlet water, the quality of outlet water and experience, and the dosage of the phosphorus removal agent is directly related to the standard discharge and the operation cost of treated outlet water in order to ensure that the phosphorus removal agent is required to be overdosed for a long time to meet the standard and eliminate the influence of the floating biological phosphorus removal effect. Therefore, the automatic dephosphorization and dosing control system for treating the domestic sewage is provided.
Disclosure of Invention
The invention aims to provide a dephosphorization and dosing automatic control system for treating domestic sewage.
The technical problem solved by the invention is as follows:
(1) how to acquire and calculate the phosphorus concentration of the current sewage by setting a real-time monitoring unit and a medicine amount analysis unit so as to obtain the initial adding amount, and reasonably planning the adding time of a phosphorus removal medicament, so that the problem that the medicine adding is completely carried out according to manual experience and the data support is lacked in the prior art is solved;
(2) how to compare the total phosphorus of the tail end effluent with the target phosphorus concentration by arranging an error correction unit so as to judge whether the phosphorus removal medicament is excessive or small, further correct the dosage of the phosphorus removal medicament by an error correction model, adjust the working frequency of the variable frequency dosing pump, and solve the problems of information feedback hysteresis quality caused by abnormal phosphorus removal medicament addition and waste caused by incapability of timely adjustment in the prior art.
(3) How to match the control parameters with the best dephosphorization effect in the biochemical tank and the optimal aging ratio of each treatment process by the prediction simulation unit so as to save the sewage treatment time and reduce the use of the medicament amount.
The invention can be realized by the following technical scheme: a dephosphorization of handling domestic sewage adds medicine automated control system includes: the real-time monitoring unit is used for acquiring system water inlet flow, total phosphorus of inlet water, total phosphorus of outlet water of the biochemical pool and acquisition time data and transmitting the data to the data storage unit, and is also used for acquiring total phosphorus of outlet water at the tail end and process time of sewage treatment;
the drug quantity analysis unit is used for analyzing the adding condition of the dephosphorization agent of the distribution well of the secondary sedimentation tank, obtaining the initial adding quantity through calculation and sending a signal to the drug adding execution unit for drug adding operation;
and the error correction unit is used for comparing the total phosphorus in the tail end effluent of the sewage to be discharged and correcting the primary dosage and the fitting formula according to the comparison result.
The invention has further technical improvements that: when the real-time monitoring unit collects the phosphorus concentration, the sampling is automatically carried out through the pretreatment device, the sample is kept still and precipitated within the set time, then the phosphorus concentration analysis is carried out autonomously, and the analysis result is uploaded.
The invention has further technical improvements that: the drug amount analysis unit analyzes the phosphorus content of the biochemical pool in the treatment stage and transmits the integrated binding data to the prediction simulation unit.
The invention has further technical improvements that: the prediction simulation unit receives the binding data transmitted by the drug quantity analysis unit, and simulates and obtains the system inflow flow and the average water temperature corresponding to the matched maximum initial change rate by a control variable method, so that data support is provided for subsequent sewage treatment.
The invention has further technical improvements that: and when the primary adding amount is sent to the chemical adding execution unit by the chemical amount analysis unit, the adding time length of the phosphorus removal agent is controlled according to the flow rate condition of sewage entering a distribution well of the secondary sedimentation tank.
The invention has further technical improvements that: the dosing execution unit is specifically a variable-frequency dosing pump, and the dosing amount of each working cycle of the variable-frequency dosing pump within a certain working frequency is constant.
The invention has further technical improvements that: the error analysis unit guides the phosphorus concentration difference value and the phosphorus removal change rate into an error correction model, the error correction model obtains a frequency change value of the variable-frequency dosing pump through data analysis and internal path matching, and the variable-frequency dosing pump adjusts the working frequency according to the frequency change value, so that the dosing amount is corrected.
The invention has further technical improvements that: the error correction unit compares the total phosphorus of the tail end effluent with the target phosphorus concentration to generate a qualified discharge signal or a retreatment signal and sends the qualified discharge signal or the retreatment signal to the control unit, and the control unit identifies the corresponding signal and automatically opens a discharge valve or a return valve to discharge or retreat the sewage.
The invention has further technical improvements that: the prediction simulation unit obtains the process time of sewage treatment, performs matching simulation on the process time and the tail end effluent total phosphorus, determines the required process time with the optimal aging ratio, and adjusts the process time in subsequent sewage treatment.
Compared with the prior art, the invention has the following beneficial effects:
1. through setting up real-time supervision unit and dose analysis unit, gather and calculate the phosphorus concentration of current sewage to obtain preliminary input volume, carry out rational planning when putting in of dephosphorization medicament simultaneously, avoid carrying out the condition that the medicine adds according to artificial experience completely, provide data support for the addition of dephosphorization medicament.
2. Through setting up the error correction unit, carry out the comparison with terminal water total phosphorus that goes out and target phosphorus concentration to judge whether the dephosphorization medicament is excessive or a small amount, and then revise the model through the error and carry out the correction of input volume to it, the operating frequency of adjustment frequency conversion medicine feed pump makes the medicament in the sewage treatment process add the condition and the effect can obtain the feedback fast and independently make corresponding adjustment, has saved manpower and time cost greatly, has also reduced the use of medicament, has reduced sewage treatment's cost.
3. Through the prediction simulation unit, the control parameters with the best dephosphorization effect in the biochemical tank and the time efficiency ratio with the best treatment process are matched, so that the sewage treatment time is saved, the use of the chemical agent amount is reduced, the whole sewage treatment process is optimized, and the whole treatment efficiency is improved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a block diagram of the system of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be given with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1, a phosphorus removal and chemical feeding automatic control system for treating domestic sewage comprises a real-time monitoring unit, a chemical quantity analysis unit, an error correction unit, a control unit and a data storage unit;
the system comprises a real-time monitoring unit, a data storage unit, a data processing unit and a data processing unit, wherein the real-time monitoring unit acquires system water inlet flow entering a biochemical tank once, total phosphorus of inlet water when sewage is introduced, total phosphorus of outlet water of the biochemical tank after sewage is treated by the biochemical tank once and acquisition time data and transmits the data to the data storage unit, the system water inlet flow can be acquired through a flowmeter, the real-time monitoring unit acquires terminal outlet water total phosphorus at the tail end of a sewage treatment facility, and the inlet water total phosphorus, the biochemical tank outlet water total phosphorus and the terminal outlet water total phosphorus are measured by pumping and sampling;
pumping water and sampling are realized by installing a pretreatment device in monitoring equipment, the pretreatment device automatically performs sampling and standing precipitation, and after 45min, the phosphorus concentration analysis is automatically performed and the analysis result is uploaded;
the drug amount analysis unit is used for analyzing the drug amount adding condition in sewage treatment, and comprises the following specific steps:
step A1: carry out the product operation with system inflow flow and total phosphorus of intaking and obtain introducing the phosphorus content, carry out the in-process of handling in biochemical pond, the sewage total amount in biochemical pond can hardly change, carry out the product with system inflow flow and biochemical pond total phosphorus of outlet water and obtain the phosphorus content of discharging, substitute the phosphorus content of discharging and introducing into the formula of calculating:
and obtaining the initial change rate, measuring and calculating the average water temperature in the biochemical pond treatment process, binding the average water temperature and the initial change rate with the system water inflow, and transmitting the bound data to the prediction simulation unit.
Step A2: the sewage in the biochemical tank enters a distribution well of a secondary sedimentation tank after being treated to add a dephosphorization agent, the dephosphorization agent is specifically an aluminum sulfate agent, and is substituted into a fitting formula according to the total phosphorus in the effluent of the biochemical tank in the step A1 and the total phosphorus in the effluent of the target terminal set by the system to obtain the initial dosage, the fit is 0.0173(x-obj) +0.0036, x > obj, wherein y represents the amount of the phosphorus removal agent required to be added in each cubic meter of sewage, x represents the phosphorus concentration of the sewage discharged from the biochemical tank, namely total phosphorus in effluent of a biochemical pool, obj represents the total phosphorus in effluent of a target tail end, namely the target phosphorus concentration before sewage is discharged after a series of treatments, the preset value of the target phosphorus concentration is 0.2mg/L-0.3mg/L, the correlation coefficient of a fitting formula is 0.942, and the fitting formula is formed by fitting based on the measurement result of a big data frame;
step A3: performing product operation on y in the step A2 and the system water inlet flow to obtain a preliminary dosing amount, sending the preliminary dosing amount to a control unit, sending a dosing signal to a dosing execution unit by the control unit according to the received preliminary dosing amount, wherein the dosing execution unit is specifically a variable-frequency dosing pump, and controls the dosing time length by the dosing execution unit according to the preliminary dosing amount in a distribution well of a secondary sedimentation tank;
step A4: acquiring the flow rate of sewage in the biochemical tank entering the secondary sedimentation tank distribution well, carrying out ratio operation on the system inflow and the flow rate to obtain the time for the sewage in the biochemical tank to completely enter the secondary sedimentation tank distribution well, carrying out ratio operation on the initial adding amount and the time to obtain the working flow rate of the drug adding execution unit, and enabling the drug adding execution unit to add the drug according to the working flow rate.
After biochemical pond, secondary sedimentation tank and the processing procedures such as sand filtration, disinfection, sewage are in and wait to discharge the state, utilize error correction unit to treat the terminal total phosphorus of discharging water of sewage to compare this moment to carry out error correction to preliminary medicine adding amount, specifically do:
step B1: comparing the total phosphorus of the tail end effluent with the target phosphorus concentration, judging that the sewage treatment is qualified when the total phosphorus of the tail end effluent does not exceed the target phosphorus concentration, generating a qualified discharge signal, judging that the sewage treatment is unqualified when the total phosphorus of the tail end effluent is greater than the target phosphorus concentration, generating a retreatment signal, and directly sending the qualified discharge signal and the retreatment signal to the control unit;
step B2: no matter what the judgment result in the step B1 is, performing difference operation on the total phosphorus of the tail end effluent and the target phosphorus concentration to obtain a phosphorus concentration difference, wherein the sign of the phosphorus concentration difference is positive, which indicates that the primary medicine adding amount is insufficient, and the medicine amount needs to be positively fedWhen the change is negative, the sign of the phosphorus concentration difference value indicates that the primary medicine dosage is excessive, the dosage needs to be changed in the negative direction, and the total phosphorus in the effluent of the biochemical tank and the total phosphorus in the effluent of the tail end are substituted into the calculation formula:
obtaining the phosphorus removal change rate;
step B3: an error correction model is arranged in the error correction unit, the error correction model is realized based on the combination of a fuzzy technology and a conventional PID control algorithm, the data analysis and the comprehensive decision of actual production personnel are simulated, and the optimal output result of adaptive production is given out;
step B4: and transmitting the obtained frequency change value to a dosing execution unit, adjusting a frequency converter of the variable-frequency dosing pump according to the frequency change value, and sending a coefficient correction signal to the dose analysis unit to correct the parameters of the fitting formula.
The real-time monitoring unit is also used for collecting and transmitting process time and equipment working conditions in the sewage treatment process to the data storage unit for storage, wherein the process time comprises biochemical tank treatment time and treatment time after dosing, and the equipment working conditions comprise dosing flowmeter readings and frequency of a variable-frequency dosing pump;
the control unit reads the indication number of the dosing flowmeter and the working frequency of the variable-frequency dosing pump from the data storage unit, under a certain working frequency, the dosing quantity of the variable-frequency dosing pump in each working cycle is constant, the variation value of the indication number of the dosing flowmeter is calculated at intervals to obtain an indication difference value, the conveying quantity of the variable-frequency dosing pump is calculated according to the working frequency of the variable-frequency dosing pump in the time period, the indication difference value is compared with the conveying quantity, a deviation value is calculated, when the deviation value exceeds a preset allowable deviation threshold value, the indication number of the dosing flowmeter is judged to be inaccurate, corresponding information is sent to the intelligent terminal for displaying and reminding, meanwhile, the standard deviation of the working frequency of the variable-frequency dosing pump in the corresponding time period is calculated, so that the stability of the variable-frequency dosing pump is evaluated, when the standard deviation exceeds a preset standard deviation limit value, an acousto-optic alarm is carried out, and meanwhile, the intelligent terminal is displayed and reminded, and after the equipment maintenance personnel acquire the information, the corresponding equipment is maintained, and the control unit automatically opens the discharge valve or the backflow valve after receiving and recognizing the qualified discharge signal and the reprocessing signal.
The prediction simulation unit receives the binding data transmitted by the drug quantity analysis unit, performs data mixing on the previously acquired binding data, automatically generates a control variable table, simulates and obtains the system inlet water flow and the average water temperature corresponding to the maximum initial change rate through a control variable method, thereby providing data support for subsequent sewage treatment, reducing the input amount of subsequent phosphorus removal drugs to the maximum extent, simultaneously obtains the process time of sewage treatment from the data storage unit, performs matching simulation on the process time and the total phosphorus of tail-end outlet water, determines the required process time with the optimal aging ratio, and adjusts the process time in the subsequent sewage treatment.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a handle dephosphorization of domestic sewage and add medicine automated control system which characterized in that includes: the real-time monitoring unit is used for acquiring system water inlet flow, total phosphorus of inlet water, total phosphorus of outlet water of the biochemical pool and acquisition time data and transmitting the data to the data storage unit, and is also used for acquiring total phosphorus of outlet water at the tail end and process time of sewage treatment;
the drug quantity analysis unit is used for analyzing the adding condition of the dephosphorization agent of the distribution well of the secondary sedimentation tank, obtaining the initial adding quantity through calculation and sending a signal to the drug adding execution unit for drug adding operation;
and the error correction unit is used for comparing the total phosphorus in the tail end effluent of the sewage to be discharged and correcting the primary dosage and the fitting formula according to the comparison result.
2. The automatic phosphorus removal and dosing control system for treating domestic sewage according to claim 1, wherein the real-time monitoring unit automatically samples through the pretreatment device when collecting phosphorus concentration, and stands and precipitates the sample within a set time, and then autonomously analyzes the phosphorus concentration and uploads the analysis result.
3. The automatic phosphorus removal and dosing control system for treating domestic sewage of claim 1, wherein the drug amount analysis unit analyzes the phosphorus content of the biochemical pond treatment stage and transmits the integrated binding data to the prediction simulation unit.
4. The automatic phosphorus removal and dosing control system for treating domestic sewage of claim 3, wherein the prediction simulation unit receives binding data transmitted by the drug quantity analysis unit, and the system inlet flow and the average water temperature corresponding to the maximum initial change rate are obtained through simulation by a control variable method, so that data support is provided for subsequent sewage treatment.
5. The automatic control system for dephosphorization and dosing of domestic sewage according to claim 1, wherein the dosing duration of the dephosphorization agent is controlled according to the flow rate of the sewage into the distribution well of the secondary sedimentation tank when the primary dosing amount is sent to the dosing execution unit by the dose analysis unit.
6. The automatic control system for dephosphorization and dosing of domestic sewage according to claim 5, wherein the dosing execution unit is a variable frequency dosing pump, and the dosing amount of the variable frequency dosing pump in each working cycle within a certain working frequency is constant.
7. The automatic phosphorus removal and dosing control system for treating domestic sewage according to claim 1, wherein the error analysis unit introduces the phosphorus concentration difference and the phosphorus removal change rate into the error correction model, the error correction model obtains the frequency change value of the variable frequency dosing pump through data analysis and internal path matching, and the variable frequency dosing pump adjusts the phase operating frequency according to the frequency change value, thereby correcting the dosing amount.
8. The automatic phosphorus removal and dosing control system for treating domestic sewage according to claim 1, wherein the error correction unit compares the total phosphorus in the tail end effluent with the target phosphorus concentration to generate a qualified discharge signal or a retreatment signal, and sends the qualified discharge signal or the retreatment signal to the control unit, and the control unit identifies the corresponding signal, automatically opens the discharge valve or the reflux valve, and discharges or retreats the sewage.
9. The automatic phosphorus removal and dosing control system for treating domestic sewage according to claim 4, wherein the prediction simulation unit determines the required process time with the optimal aging ratio by acquiring the process time of sewage treatment and performing matching simulation on the process time and the total phosphorus in the tail end effluent, and adjusts the process time in subsequent sewage treatment.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114995161A (en) * | 2022-07-18 | 2022-09-02 | 武汉华信数据***有限公司 | Medication administration system control method, medication administration system control device, and computer-readable storage medium |
| CN115140816A (en) * | 2022-05-27 | 2022-10-04 | 安徽普氏生态环境工程有限公司 | Dosing method, device and equipment for water purification |
| CN115196735A (en) * | 2022-09-14 | 2022-10-18 | 国投信开水环境投资有限公司 | Phosphorus removal agent adding method and device for efficient sedimentation tank |
| CN116216807A (en) * | 2023-02-24 | 2023-06-06 | 青岛张村河水务有限公司 | Intelligent dosing system based on sewage treatment |
| CN116434857A (en) * | 2023-03-24 | 2023-07-14 | 青岛思普润水处理股份有限公司 | Intelligent dosing setting method of sewage treatment system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103601342A (en) * | 2013-11-25 | 2014-02-26 | 清华大学 | Optimization control device for chemical phosphorus removal process |
| CN104355477A (en) * | 2014-09-11 | 2015-02-18 | 北京城市排水集团有限责任公司 | Chemical phosphorus removal automatic control device of sewage treatment plant and control method thereof |
| JP2020065964A (en) * | 2018-10-23 | 2020-04-30 | 水ｉｎｇ株式会社 | Wastewater treatment method and wastewater treatment system |
| CN111320246A (en) * | 2020-03-12 | 2020-06-23 | 青岛道斯康环保科技有限公司 | Coagulant intelligent accurate adding control system based on multivariable control |
| CN111498974A (en) * | 2019-12-20 | 2020-08-07 | 中国市政工程中南设计研究总院有限公司 | Intelligent dosing control system based on BP neural network |
| CN111847617A (en) * | 2020-08-22 | 2020-10-30 | 华师(福建)环境科技有限责任公司 | Dephosphorization adds medicine intelligence control system |
| CN212356945U (en) * | 2020-05-27 | 2021-01-15 | 广州市净水有限公司龙归分公司 | Dephosphorization adds medicine intelligence control system |
| CN112986519A (en) * | 2021-04-22 | 2021-06-18 | 江苏美景时代环保科技有限公司 | Model prediction control method for enriching low-concentration phosphorus in sewage treatment |
-
2021
- 2021-08-20 CN CN202110962937.7A patent/CN113636723A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103601342A (en) * | 2013-11-25 | 2014-02-26 | 清华大学 | Optimization control device for chemical phosphorus removal process |
| CN104355477A (en) * | 2014-09-11 | 2015-02-18 | 北京城市排水集团有限责任公司 | Chemical phosphorus removal automatic control device of sewage treatment plant and control method thereof |
| JP2020065964A (en) * | 2018-10-23 | 2020-04-30 | 水ｉｎｇ株式会社 | Wastewater treatment method and wastewater treatment system |
| CN111498974A (en) * | 2019-12-20 | 2020-08-07 | 中国市政工程中南设计研究总院有限公司 | Intelligent dosing control system based on BP neural network |
| CN111320246A (en) * | 2020-03-12 | 2020-06-23 | 青岛道斯康环保科技有限公司 | Coagulant intelligent accurate adding control system based on multivariable control |
| CN212356945U (en) * | 2020-05-27 | 2021-01-15 | 广州市净水有限公司龙归分公司 | Dephosphorization adds medicine intelligence control system |
| CN111847617A (en) * | 2020-08-22 | 2020-10-30 | 华师(福建)环境科技有限责任公司 | Dephosphorization adds medicine intelligence control system |
| CN112986519A (en) * | 2021-04-22 | 2021-06-18 | 江苏美景时代环保科技有限公司 | Model prediction control method for enriching low-concentration phosphorus in sewage treatment |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115140816A (en) * | 2022-05-27 | 2022-10-04 | 安徽普氏生态环境工程有限公司 | Dosing method, device and equipment for water purification |
| CN115140816B (en) * | 2022-05-27 | 2024-01-23 | 安徽普氏生态环境有限公司 | Water purification dosing method, device and equipment |
| CN114995161A (en) * | 2022-07-18 | 2022-09-02 | 武汉华信数据***有限公司 | Medication administration system control method, medication administration system control device, and computer-readable storage medium |
| CN115196735A (en) * | 2022-09-14 | 2022-10-18 | 国投信开水环境投资有限公司 | Phosphorus removal agent adding method and device for efficient sedimentation tank |
| CN116216807A (en) * | 2023-02-24 | 2023-06-06 | 青岛张村河水务有限公司 | Intelligent dosing system based on sewage treatment |
| CN116216807B (en) * | 2023-02-24 | 2023-09-01 | 青岛张村河水务有限公司 | Intelligent Dosing System Based on Sewage Treatment |
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