CN114229989A - Centralized water plant intelligent dosing method and dosing system based on water quality instrument - Google Patents
Centralized water plant intelligent dosing method and dosing system based on water quality instrument Download PDFInfo
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- CN114229989A CN114229989A CN202111390875.3A CN202111390875A CN114229989A CN 114229989 A CN114229989 A CN 114229989A CN 202111390875 A CN202111390875 A CN 202111390875A CN 114229989 A CN114229989 A CN 114229989A
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
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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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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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
- C02F2209/29—Chlorine 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
- C02F2209/40—Liquid 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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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Abstract
The invention relates to the field of water treatment, in particular to a centralized water plant intelligent dosing method and dosing system based on a water quality instrument, wherein the dosing method comprises the following steps: acquiring the water yield processed by equipment; measuring the initial concentration of the liquid medicine in the dosing tank and the room temperature at the dosing tank; according to the formula
Calculating the dosage; comparing the residual chlorine value detected by the residual chlorine sensor with a set residual chlorine target value, and correcting the dosing amount; the dosing device comprises a dosing system, wherein the dosing system comprises a controller, a storage, a flowmeter, a dosing pump, a residual chlorine sensor and a chemical box; the intelligent dosing system realizes intelligent dosing through the dosing system, and the dosing system can automatically and real-timely change according to the parameters of the quality of inlet water, the concentration of a medicament, the ambient temperature, the speed of the liquid level change of the clean water tank and the likeThe dosage is adjusted to ensure that the content of residual chlorine in the water supplied to users reaches the standard and ensure the water quality safety. The remote operation and maintenance can be realized unattended by remotely controlling real-time adjustment and automatic control of the controller.
Description
Technical Field
The invention relates to the field of water treatment, in particular to a centralized water plant intelligent dosing method and dosing system based on a water quality instrument.
Background
In a centralized water plant using an immersed ultrafiltration water treatment device, a dosing system is required to be under the condition of changing according to the quality of raw water, the yield, the environmental temperature, dosing indexes and the like in the water production process of the device. The dosing equipment system is difficult to stabilize the residual chlorine content of the water in the clean water tank. Meanwhile, the control of a dosing equipment system brings great difficulty, and the working personnel need to frequently adjust the dosing amount of the medicament and increase the working capacity of the working personnel.
Disclosure of Invention
The invention aims to provide a centralized water plant intelligent dosing method and a dosing system based on a water quality meter, which can automatically adjust the dosing amount according to the water quality, the production amount, the environment temperature, the dosing index, the residual chlorine content of water and other indexes of raw water, ensure that the residual chlorine content of water used by a user is in a standard range, reduce the workload and improve the working efficiency.
A centralized water plant intelligent dosing method based on a water quality instrument comprises the following steps:
step one, acquiring the water yield processed by equipment;
step two, measuring the initial concentration of the liquid medicine in the dosing tank and the room temperature at the dosing tank;
step three, according to the formula
Calculating the medicine adding amount, wherein I is the medicine adding frequency; a is the target value of residual chlorine in the set water, mg/L; b is the generation flow, m3H; c is the concentration of sodium hypochlorite solution,%; d is the dosage per time of the dosing pump, ml/time;
and step four, comparing the residual chlorine value detected by the residual chlorine sensor with a set residual chlorine target value, and correcting the dosing amount.
In the above centralized water plant intelligent dosing method based on the water quality meter, as a preferred scheme, the acquiring of the water yield processed by the equipment in the first step mainly includes: and the flowmeter arranged on the water conveying pipeline between the treatment equipment and the clean water tank is used for acquiring the water yield data of the equipment.
In the above-mentioned centralized water plant intelligent dosing method based on a water quality meter, as a preferable embodiment, the step two of measuring the initial concentration of the liquid medicine in the dosing tank and the room temperature at the dosing tank includes: using the formula
Calculating the concentration of the sodium hypochlorite solution,%; wherein, ω (cl)2) -the available chlorine content of the chlorine-containing disinfectant,%;
v-sample size of sample, ml;
C0-concentration of sodium thiosulfate standard solution, mol/L;
v1 — volume of total sodium thiosulfate solution consumed, ml;
n-dilution of the sample.
In the above-mentioned centralized water plant intelligent dosing method based on water quality meter, as a preferable scheme, the third step is according to a formula
Calculating the medicine adding amount, wherein I is the medicine adding frequency; a is the target value of residual chlorine in the set water, mg/L; b is the generation flow, m3H; c is the concentration of sodium hypochlorite solution,%; d is the dosage per time of the dosing pump, ml/time; the method mainly comprises the following steps: inputting the value of A into a dosing system, and inputting the measured one-time medicine output value of the dosing pump into the dosing system; wherein, the value of the one-time medicine output quantity of the medicine adding pump is measured by adopting the following method:
step a, connecting a tee joint between a dosing pump and a back pressure valve to connect a pressure gauge, and adjusting the pressure by adjusting the back pressure valve;
and b, after the pressure regulation is determined, locking the backpressure valve, measuring the flow after the pulse is measured for a plurality of times by using the measuring cylinder, and dividing the reading of the measuring cylinder by the pulse times to obtain the pulse quantity.
In the foregoing centralized water plant intelligent dosing method based on the water quality meter, as a preferred scheme, the step four of comparing the residual chlorine value detected by the residual chlorine sensor with the set residual chlorine target value, and correcting the dosing amount mainly includes: the chlorine content of water in the water purification tank is measured by using a residual chlorine sensor arranged in the water purification tank, the measured chlorine content value is compared with a residual chlorine target value set in a dosing system, and the dosing system performs pulse control on a chlorination pump according to the compared value, so that the closed-loop control of the dosing system on the chlorine content is realized.
A centralized intelligent dosing device for a water plant based on a water quality instrument comprises a dosing system, wherein the dosing system comprises a controller, a storage, a flowmeter, a dosing pump, a residual chlorine sensor and a chemical tank;
the storage device is used for storing a dosing program, a target value of residual chlorine in water, a concentration value of a sodium hypochlorite solution, a one-time dosage of a dosing pump and dosing times;
the controller is used for executing the dosing program in the memory so as to control the action times of the dosing pump;
the flowmeter is arranged at a water outlet of the treatment equipment, samples the water yield of the treatment equipment and transmits the sampled data to the controller;
the dosing pump is used for communicating the chemical box with the clean water tank through a pipeline and is connected with the controller to control the working frequency of the dosing pump through pulse;
the residual chlorine sensor is arranged in the clean water pool and is electrically connected with the controller through a cable.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, intelligent dosing is realized through the dosing system, and the dosing amount can be automatically adjusted in real time by the dosing system according to the change of parameters such as the quality of inlet water, the concentration of a medicament, the ambient temperature, the speed of change of the liquid level of the clean water tank and the like, so that the content of residual chlorine in water supplied to a user is ensured to reach the standard, and the water quality safety is ensured.
Through real-time regulation of controller remote control and automatic control, can realize unmanned on duty, long-range fortune dimension reduces work load, improves work efficiency. Meanwhile, the controller can communicate with an operation and maintenance center through a communication system, so that remote dosing adjustment is realized, unattended operation of dosing control in a water plant is realized, and the manual operation and maintenance cost is reduced.
Drawings
FIG. 1 is a schematic diagram of the steps of the intelligent dosing method of the present invention;
FIG. 2 is a main flow chart of the intelligent dosing method of the present invention;
FIG. 3 is a schematic view of the intelligent dosing system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1-3, a centralized water plant intelligent dosing method based on a water quality meter comprises the following steps:
step one, acquiring the water yield processed by equipment; the step one of acquiring the water yield processed by the equipment mainly comprises the following steps: acquiring the water yield data of the equipment by using a flowmeter arranged on a water conveying pipeline between the treatment equipment and the clean water tank; when the number of the processing equipment is multiple, the total water production amount is the sum of detection values of flow meters arranged on each processing equipment.
Step two, measuring the initial concentration of the liquid medicine in the dosing tank and the room temperature at the dosing tank; and step two, measuring the initial concentration of the liquid medicine in the dosing tank and the room temperature at the dosing tank, wherein the method comprises the following steps: using the formula
Calculating the concentration of the sodium hypochlorite solution,%; wherein, ω (cl)2) -the available chlorine content of the chlorine-containing disinfectant,%;
v-sample size of sample, ml;
C0-concentration of sodium thiosulfate standard solution, mol/L;
v1 — volume of total sodium thiosulfate solution consumed, ml;
n-dilution of the sample.
In the above formula, where ω (cl)2) -the available chlorine content of the chlorine-containing disinfectant,%; chlorine-containing disinfectants refer to sodium hypochlorite solutions.
Specifically, the concentration of the sodium hypochlorite solution is determined,% of the steps are as follows: firstly, preparing a starch indicator, weighing 0.5g of soluble starch, mixing the soluble starch with a little water into paste, adding the paste into 100ml of boiling water, continuously heating for 2min, and cooling for later use; secondly, because the concentration of the medicament is too high, two sodium hypochlorite solutions are diluted firstly, a sample with lower concentration is diluted by 20 times, and a sample with higher concentration is diluted by 25 times; adding 1g of potassium iodide and 75ml of pure water into a 250ml iodometric flask (0) and a 250ml iodometric flask (1) respectively to dissolve the potassium iodide, and adding 2ml of glacial acetic acid; fourthly, respectively taking 20ml of V as 20ml of the sample I diluted by 20 times and the sample II diluted by 25 times, adding the V into an iodine bottle I and an iodine bottle II, and changing the solution into orange yellow after adding the samples; fifthly, titrating the solutions in a first iodometric flask and a second iodometric flask with a sodium thiosulfate standard solution with the concentration C being 0.1004mol/L, and adding 1ml of the starch indicator prepared in the step 1 when the orange yellow color is changed into light yellow, wherein the solution is changed into blue; and sixthly, continuing to titrate the solution in the iodine flasks (i) and (ii) with a sodium thiosulfate standard solution with the concentration C being 0.1004mol/L, and recording the volume V1 of the sodium thiosulfate standard solution consumed in the steps 5 and 6 when the blue color is just colorless. Then, V1 is substituted into the formula
In (1),the concentration of the sodium hypochlorite solution was calculated.
Step three, according to the formula
Calculating the medicine adding amount, wherein I is the medicine adding frequency; a is the target value of residual chlorine in the set water, mg/L; b is the generation flow, m3H; c is the concentration of sodium hypochlorite solution,%; d is the dosage of the dosing pump in one time, ml/time, and mainly comprises: inputting the value of A into a dosing system, and inputting the measured one-time medicine output value of the dosing pump into the dosing system; wherein, the value of the one-time medicine output quantity of the medicine adding pump is measured by adopting the following method:
step a, connecting a tee joint between a dosing pump and a back pressure valve to connect a pressure gauge, and adjusting the pressure by adjusting the back pressure valve;
and b, after the pressure regulation is determined, locking the backpressure valve, measuring the flow after the pulse is measured for a plurality of times by using the measuring cylinder, and dividing the reading of the measuring cylinder by the pulse times to obtain the pulse quantity.
Step four, comparing the residual chlorine value detected by the residual chlorine sensor with a set residual chlorine target value, and correcting the dosing quantity, mainly comprising: the chlorine content of water in the water purification tank is measured by using a residual chlorine sensor arranged in the water purification tank, the measured chlorine content value is compared with a residual chlorine target value set in a dosing system, and the dosing system performs pulse control on a chlorination pump according to the compared value, so that the closed-loop control of the dosing system on the chlorine content is realized.
A centralized intelligent dosing device for a water plant based on a water quality instrument comprises a dosing system, wherein the dosing system comprises a controller, a storage, a flowmeter, a dosing pump, a residual chlorine sensor and a chemical tank;
the storage device is used for storing a dosing program, a target value of residual chlorine in water, a concentration value of a sodium hypochlorite solution and a one-time dosage of a dosing pump;
the controller is used for executing the dosing program in the memory so as to control the action times of the dosing pump;
the flowmeter is arranged at a water outlet of the treatment equipment, samples the water yield of the treatment equipment and transmits the sampled data to the controller;
the dosing pump is used for communicating the chemical box with the clean water tank through a pipeline and is connected with the controller to control the working frequency of the dosing pump through pulse;
the residual chlorine sensor is arranged in the clean water pool and is electrically connected with the controller through a cable.
The working principle is as follows: the chemical adding control system according to the formula
Calculating the action frequency I of the dosing pump, and if the value detected by the residual chlorine sensor in the clean water tank is lower than the target value of the residual chlorine in the water, knowing that the value of the action frequency I of the dosing pump can rise according to a formula, so that the value detected by the residual chlorine sensor in the clean water tank approaches the target value of the residual chlorine, and ensuring that the water quality meets the national standard; if the value detected by the residual chlorine sensor in the clean water tank is higher than the set value of the residual chlorine in the water, the action frequency of I can be reduced according to a formula, the dosage is reduced, the content of the residual chlorine in the water approaches the set value of the residual chlorine in the water, and the water quality is ensured to meet the national standard.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are possible within the scope of the present invention as hereinafter claimed.
Claims (6)
1. A centralized water plant intelligent dosing method based on a water quality instrument is characterized by comprising the following steps: the method comprises the following steps:
step one, acquiring the water yield processed by equipment;
step two, measuring the initial concentration of the liquid medicine in the medicine adding box;
step three, according to the formula
Calculating the medicine adding amount, wherein I is the medicine adding frequency; a is the target value of residual chlorine in the set water, mg/L; b is the generated flow，m3H; c is the concentration of sodium hypochlorite solution,%; d is the dosage per time of the dosing pump, ml/time;
and step four, comparing the residual chlorine value detected by the residual chlorine sensor with a set residual chlorine target value, and correcting the dosing amount.
2. The centralized water plant intelligent dosing method based on the water quality meter according to claim 1, wherein the step one of obtaining the water yield processed by the equipment mainly comprises the following steps: and the flowmeter arranged on the water conveying pipeline between the treatment equipment and the clean water tank is used for acquiring the water yield data of the equipment.
3. The centralized water plant intelligent dosing method based on the water quality instrument according to claim 1, wherein the step two of measuring the initial concentration of the liquid medicine in the dosing tank and the room temperature at the dosing tank comprises the following steps: using the formula
Calculating the concentration of the sodium hypochlorite solution,%; wherein, ω (cl)2) -the available chlorine content of the chlorine-containing disinfectant,%;
v-sample size of sample, ml;
C0-concentration of sodium thiosulfate standard solution, mol/L;
v1 — volume of total sodium thiosulfate solution consumed, ml;
n-dilution of the sample.
4. The intelligent dosing method for the centralized water plant based on the water quality instrument according to claim 1, wherein the step three is according to a formula
Calculating the medicine adding amount, wherein I is the medicine adding frequency; a is the target value of residual chlorine in the set water, mg/L;b is the generation flow, m3H; c is the concentration of sodium hypochlorite solution,%; d is the dosage per time of the dosing pump, ml/time; the method mainly comprises the following steps: inputting the value of A into a dosing system, and inputting the measured one-time medicine output value of the dosing pump into the dosing system; wherein, the value of the one-time medicine output quantity of the medicine adding pump is measured by adopting the following method:
step a, connecting a tee joint between a dosing pump and a back pressure valve to connect a pressure gauge, and adjusting the pressure by adjusting the back pressure valve;
and b, after the pressure regulation is determined, locking the backpressure valve, measuring the flow after the pulse is measured for a plurality of times by using the measuring cylinder, and dividing the reading of the measuring cylinder by the pulse times to obtain the pulse quantity.
5. The centralized water plant intelligent dosing method based on the water quality instrument as claimed in claim 4, wherein the step four of comparing the residual chlorine value detected by the residual chlorine sensor with the set residual chlorine target value and correcting the dosing amount mainly comprises: the chlorine content of water in the water purification tank is measured by using a residual chlorine sensor arranged in the water purification tank, the measured chlorine content value is compared with a residual chlorine target value set in a dosing system, and the dosing system performs pulse control on a chlorination pump according to the compared value, so that the closed-loop control of the dosing system on the chlorine content is realized.
6. A centralized intelligent dosing device for a water plant based on a water quality instrument comprises a dosing system, and is characterized in that the dosing system comprises a controller, a storage, a flowmeter, a dosing pump, a residual chlorine sensor and a chemical tank;
the storage device is used for storing a dosing program, a target value of residual chlorine in water, a concentration value of a sodium hypochlorite solution, a one-time dosage of a dosing pump and dosing times;
the controller is used for executing the dosing program in the memory so as to control the action times of the dosing pump;
the flowmeter is arranged at a water outlet of the treatment equipment, samples the water yield of the treatment equipment and transmits the sampled data to the controller;
the dosing pump is used for communicating the chemical box with the clean water tank through a pipeline and is connected with the controller to control the working frequency of the dosing pump through pulse;
the residual chlorine sensor is arranged in the clean water pool and is electrically connected with the controller through a cable.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115145219A (en) * | 2022-06-30 | 2022-10-04 | 广州麦高特智控科技有限公司 | Cloud intelligent water quality monitoring system |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201288084Y (en) * | 2008-10-29 | 2009-08-12 | 张明亮 | Automatic throwing-adding bearing duct system for sodium hypochlorite |
| CN201458799U (en) * | 2009-03-31 | 2010-05-12 | 上海穆特环保科技有限公司 | Automatic sodium hypochlorite solution feeding system |
| CN102531115A (en) * | 2010-12-24 | 2012-07-04 | 福建圣元股份有限公司 | Sewage treatment system and method |
| CN105988484A (en) * | 2015-01-28 | 2016-10-05 | 上海远动科技有限公司 | Sodium hypochlorite filling system used for water disinfection and control method thereof |
| CN205773579U (en) * | 2016-07-05 | 2016-12-07 | 河南智慧水务有限公司 | Sodium hypochlorite medicine adding device |
| CN107697991A (en) * | 2017-11-21 | 2018-02-16 | 北京金惠昌科技发展有限公司 | A kind of accurate dosing system of running water chlorine residue and its control method with closed-loop control |
| CN207877439U (en) * | 2017-12-26 | 2018-09-18 | 中原环保股份有限公司 | A kind of accurate medicine system of wastewater disinfection |
| CN109336243A (en) * | 2018-10-24 | 2019-02-15 | 西安建筑科技大学 | A kind of method and system of complex loop control secondary water-supply chlorination |
| CN211595125U (en) * | 2019-09-30 | 2020-09-29 | 上海汇凯电器有限公司 | Self-adaptive control's marine fresh water degassing unit |
| CN211786728U (en) * | 2020-04-28 | 2020-10-27 | 中国农业机械化科学研究院 | Online measurement and control device for sodium hypochlorite disinfectant |
| CN212334860U (en) * | 2020-05-22 | 2021-01-12 | 深圳市环境工程科学技术中心有限公司 | Wastewater treatment and online monitoring integrated device |
-
2021
- 2021-11-23 CN CN202111390875.3A patent/CN114229989A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201288084Y (en) * | 2008-10-29 | 2009-08-12 | 张明亮 | Automatic throwing-adding bearing duct system for sodium hypochlorite |
| CN201458799U (en) * | 2009-03-31 | 2010-05-12 | 上海穆特环保科技有限公司 | Automatic sodium hypochlorite solution feeding system |
| CN102531115A (en) * | 2010-12-24 | 2012-07-04 | 福建圣元股份有限公司 | Sewage treatment system and method |
| CN105988484A (en) * | 2015-01-28 | 2016-10-05 | 上海远动科技有限公司 | Sodium hypochlorite filling system used for water disinfection and control method thereof |
| CN205773579U (en) * | 2016-07-05 | 2016-12-07 | 河南智慧水务有限公司 | Sodium hypochlorite medicine adding device |
| CN107697991A (en) * | 2017-11-21 | 2018-02-16 | 北京金惠昌科技发展有限公司 | A kind of accurate dosing system of running water chlorine residue and its control method with closed-loop control |
| CN207877439U (en) * | 2017-12-26 | 2018-09-18 | 中原环保股份有限公司 | A kind of accurate medicine system of wastewater disinfection |
| CN109336243A (en) * | 2018-10-24 | 2019-02-15 | 西安建筑科技大学 | A kind of method and system of complex loop control secondary water-supply chlorination |
| CN211595125U (en) * | 2019-09-30 | 2020-09-29 | 上海汇凯电器有限公司 | Self-adaptive control's marine fresh water degassing unit |
| CN211786728U (en) * | 2020-04-28 | 2020-10-27 | 中国农业机械化科学研究院 | Online measurement and control device for sodium hypochlorite disinfectant |
| CN212334860U (en) * | 2020-05-22 | 2021-01-12 | 深圳市环境工程科学技术中心有限公司 | Wastewater treatment and online monitoring integrated device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115145219A (en) * | 2022-06-30 | 2022-10-04 | 广州麦高特智控科技有限公司 | Cloud intelligent water quality monitoring system |
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