CN112798807A - Sequencing batch type sewage sampling device and intelligent water quality monitoring system - Google Patents
Sequencing batch type sewage sampling device and intelligent water quality monitoring system Download PDFInfo
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- CN112798807A CN112798807A CN202110179711.XA CN202110179711A CN112798807A CN 112798807 A CN112798807 A CN 112798807A CN 202110179711 A CN202110179711 A CN 202110179711A CN 112798807 A CN112798807 A CN 112798807A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 147
- 239000010865 sewage Substances 0.000 title claims abstract description 80
- 238000005070 sampling Methods 0.000 title claims abstract description 40
- 238000012163 sequencing technique Methods 0.000 title claims abstract description 27
- 238000012544 monitoring process Methods 0.000 title claims abstract description 17
- 238000012806 monitoring device Methods 0.000 claims abstract description 50
- 238000012545 processing Methods 0.000 claims description 14
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 12
- 229910052698 phosphorus Inorganic materials 0.000 claims description 12
- 239000011574 phosphorus Substances 0.000 claims description 12
- 238000005086 pumping Methods 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 8
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 7
- 239000002351 wastewater Substances 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 239000010802 sludge Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 12
- 239000000126 substance Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 206010057362 Underdose Diseases 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011158 quantitative evaluation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1065—Multiple transfer devices
- G01N35/1067—Multiple transfer devices for transfer to or from containers having different spacing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1806—Biological oxygen demand [BOD] or chemical oxygen demand [COD]
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- Pathology (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Molecular Biology (AREA)
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Abstract
The invention relates to a sequencing batch sewage sampling device and an intelligent water quality monitoring system, wherein the sequencing batch sewage sampling device comprises a plurality of water storage tanks communicated with external sewage sampling points; the multi-channel valve is provided with a plurality of water inlets, water outlets and control valves, each water storage tank is communicated with the corresponding water inlet, and the control valves are used for communicating one of the water inlets and one of the water outlets and can be switched to the next water inlet to be communicated with the water outlet; the online monitoring device is communicated with the water outlet; the water storage tank is provided with an overflow hole and is connected with a drainage pipeline, and an inductor is arranged in the drainage pipeline. The invention injects the sewage of each stage into the online monitoring device in sequence at a fixed flow velocity, quantitatively and accurately to obtain real-time water quality data, so as to know the latest change conditions of water quality load and system efficiency in time and conveniently adjust the sewage treatment process.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sequencing batch sewage sampling device and an intelligent water quality monitoring system.
Background
With the rapid development of industrial technology and population, a large amount of industrial and domestic sewage is generated. If the sewage is directly discharged without being treated, serious pollution is caused to the environment, so that people pay more and more attention to the treatment of the sewage. The existing sewage treatment mode generally adopts manual intervention, mainly samples and detects water samples in various stages such as a pretreatment stage, a biochemical treatment stage, an advanced treatment stage and the like, and judges the sewage treatment condition by analyzing the removal rate condition. However, because the sewage treatment occupies a large area, the treatment process is long, and the number of sampling detection points is large, the time consumption is very long when the sewage sampling is manually performed, the efficiency is extremely low, the latest change condition of the sewage treatment cannot be known in time, and the operation cost is high. Therefore, the prior art has yet to be developed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a sequencing batch sewage sampling device and an intelligent water quality monitoring system.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention provides a sequencing batch sewage sampling device, which comprises a plurality of water storage tanks, wherein each water storage tank is communicated with an external sewage sampling point through a first water inlet pipe;
the pressure pump is used for pumping sewage into the water storage tank through the first water inlet pipe;
the multi-channel valve is provided with a plurality of water inlets, water outlets and control valves, each water storage tank is communicated with the corresponding water inlet through a second water inlet pipe, and the control valves are used for communicating one of the water inlets with the water outlets and switching to the next water inlet to be communicated with the water outlets;
the on-line monitoring device is communicated with the water outlet through a third water inlet pipe;
the sample pump is used for pumping sewage into the online monitoring device through the third water inlet pipe;
the water storage tank is provided with an overflow hole and is connected with a drainage pipeline, a sensor is arranged in the drainage pipeline, when the sensor detects water flow, the pressure pump stops pumping sewage, and the sample injection pump starts pumping the sewage into the online monitoring device for detection.
Furthermore, the water inlets are arranged at intervals along the circumferential direction of the multi-channel valve, and the water outlets can be communicated with different water inlets by rotating the control valve.
Further, the central angle between the adjacent water inlets is 45 degrees.
Further, the water storage tank is provided with an exhaust valve, and the exhaust valve and the online monitoring device are respectively communicated with the drainage pipeline.
Further, the device also comprises a control device, and the pressure pump, the sample injection pump and the multi-channel valve are respectively connected with the control device.
Further, the water storage tank is provided with a cleaning device.
Further, the sample injection pump adopts a syringe pump or a plunger pump.
The invention also provides an intelligent water quality monitoring system which comprises a pretreatment device, the sequencing batch sewage sampling device and a data processing system, wherein impurities in sewage are removed through the pretreatment device and enter the sequencing batch sewage sampling device, the online monitoring device acquires real-time water quality data, and the data processing system is in communication connection with the online monitoring device and is used for receiving, processing and storing the acquired real-time water quality data.
Further, the system comprises a real-time linkage system which is in communication connection with the data processing system, wherein the real-time linkage system comprises but is not limited to a phosphorus removing agent feeding pump, a carbon source feeding pump, a reflux pump, a sludge discharge pump or a blower.
Further, the on-line monitoring device includes, but is not limited to, a five-parameter on-line monitoring device, a COD on-line monitoring device, an ammonia nitrogen on-line monitoring device, a total nitrogen on-line monitoring device, or a total phosphorus on-line monitoring device.
The technical scheme of the invention has the following beneficial effects:
the sequencing batch sewage sampling device can quantitatively and accurately inject the sewage in each stage into the online monitoring device at a fixed flow rate in sequence to obtain real-time water quality data, so that the latest change conditions of water quality load and system efficiency can be known in time, and adjustment of a sewage treatment process can be conveniently made.
Drawings
FIG. 1 is a schematic view of a sequencing batch wastewater sampling apparatus according to the present invention;
FIG. 2 is a schematic diagram of an intelligent water quality monitoring system according to the present invention.
Description of reference numerals:
100-sequencing batch sewage sampling device, 10-water storage tank, 11-first water inlet pipe, 12-second water inlet pipe, 13-overflow hole, 14-drainage pipe, 15-inductor, 16-emptying valve, 20-multi-channel valve, 21-water inlet, 22-water outlet, 23-control valve, 30-online monitoring device, 31-third water inlet pipe, 40-sampling pump, 201-preprocessing device and 202-data processing system.
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 obvious that the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "connected" may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Referring to fig. 1, the present invention provides a sequencing batch sewage sampling apparatus 100, including a plurality of water storage tanks 10, each of the water storage tanks 10 is communicated with an external sewage sampling point through a first water inlet pipe 11, the external sewage sampling point may be disposed at a water inlet end, a water outlet of a pretreatment section, a water outlet of a biochemical section, or a water outlet of a deep treatment section of a sewage treatment process, etc.;
the pressure pump is used for pumping sewage into the water storage tank 10 through the first water inlet pipe 11;
the multi-channel valve 20, the multi-channel valve 20 is provided with a plurality of water inlets 21, a plurality of water outlets 22 and a control valve 23, each water storage tank 10 is communicated with the corresponding water inlet 21 through a second water inlet pipe 12, the control valve 23 is used for communicating one of the water inlets 21 with the water outlets 22, and the water storage tanks can be switched to the next water inlet 21 to be communicated with the water outlets 22, that is, the water outlets 22 can be switched to communicate with different water inlets 21, so that the multi-channel valve 20 is communicated with different water storage tanks 10. Preferably, the multi-channel valve 20 can adopt a solenoid valve to realize automatic control;
the on-line monitoring device 30 is communicated with the water outlet 22 through a third water inlet pipe 31, and the on-line monitoring device 30 can be a five-parameter on-line monitoring device, a COD (chemical oxygen demand) on-line monitoring device, an ammonia nitrogen on-line monitoring device, a total nitrogen on-line monitoring device or a total phosphorus on-line monitoring device and is used for detecting the removal rate of various pollutants, such as organic matters, ammonia nitrogen, total phosphorus and the like, in each sewage treatment process stage;
the sample pump 40 is used for pumping sewage into the online monitoring device 30 through the third water inlet pipe 31; preferably, the sample injection pump 40 is a syringe pump or a plunger pump, and has the advantages of high precision and uniform speed.
The water storage tank 10 is provided with an overflow hole 13 and is connected with a drainage pipeline 14, a sensor 15 is arranged in the drainage pipeline 14, when the sensor 15 detects water flow, the pressure pump stops pumping sewage, and the sample pump 40 starts pumping the sewage into the online monitoring device 30 for detection. Preferably, the inductor 15 is a flow inductor 15.
When the detection of the sewage in a single water storage tank 10 is completed, the control valve 23 can be switched to the next water inlet 21 to be communicated with the water outlet 22, namely, the detected water storage tank 10 is cut off from the communication with the water outlet 22, and the other water storage tank 10 can be communicated with the water outlet 22, so that the detection of the sewage in different water storage tanks 10 can be performed.
The sequencing batch sewage sampling device 100 can inject the sewage of each stage into the online monitoring device 30 sequentially at a fixed flow rate, quantitatively and accurately to obtain real-time water quality data, so that the latest change conditions of water quality load and system efficiency can be known in time, and adjustment of a sewage treatment process can be conveniently made.
Further, the water inlets 21 are arranged at intervals along the circumferential direction of the multi-channel valve 20, and the control valve 23 is rotated to connect the water outlet 22 with different water inlets 21. Preferably, the central angle between adjacent water inlets 21 is 45 degrees.
The water storage tank 10 is provided with an exhaust valve 16, the exhaust valve 16 and the online monitoring device 30 are respectively communicated with the drainage pipeline 14, after the sewage detection in a single water storage tank 10 is completed, the exhaust valve 16 of the water storage tank 10 is opened to exhaust the sewage in the water storage tank 10, so that the next sewage sampling and detection are convenient. After the sewage in the water storage tank 10 is discharged, the control valve 23 of the multi-channel valve 20 rotates by 45 degrees, and is switched to the next water inlet 21 to be communicated with the water outlet 22, so that the sewage in the next water storage tank 10 is monitored, and the quantitative operation efficiency of different stages in the sewage treatment process is obtained, wherein the quantitative operation efficiency can be the removal rate of various pollutants, such as organic matters, ammonia nitrogen, total phosphorus and the like.
In this embodiment, sequencing batch sewage sampling device 100 still includes controlling means, force pump, sampling pump 40, multichannel valve 20 respectively with controlling means connects, is favorable to realizing full-automatic real-time on-line monitoring, guarantees realize the linkage between force pump, sampling pump 40, the multichannel valve 20, and the operating personnel of being convenient for controls.
In the present embodiment, the water storage tank 10 is provided with a cleaning device to clean each water storage tank 10 after the detection is completed, so as to avoid the influence of residual sewage on the subsequent detection result.
The operation means of the existing sewage treatment plant usually adopts a manual intervention mode to observe and judge the operation parameters of main equipment at each stage in real time and analyze whether the operation parameters are reasonable or not. However, the data obtained by this method has great hysteresis and instability, and the operating parameters of the sewage treatment plant are often hundreds to thousands, and the correlation to the operating effect of the sewage treatment plant and the correlation between the parameters are not obvious, which leads to extreme dependence on the experience of the operator, once the experience of the operator is insufficient or the judgment is wrong, the operation management of the sewage treatment plant may be affected, for example, the operating efficiency does not reach the standard due to insufficient dosage of the chemical, and the energy consumption waste may be caused by excessively starting the equipment.
In order to solve the above problems, the present invention further provides an intelligent water quality monitoring system, as shown in fig. 2, the intelligent water quality monitoring system includes a pretreatment device 201, a sequencing batch type sewage sampling device 100 and a data processing system 202, the sewage passes through the pretreatment device 201 to remove impurities so as to avoid affecting a subsequent on-line monitoring device 30, and then enters the sequencing batch type sewage sampling device 100, the sequencing batch type sewage sampling device 100 sequentially injects the sewage of each stage to the on-line monitoring device 30 at a fixed flow rate, the on-line monitoring device 30 obtains real-time water quality data, the data processing system 202 is in communication connection with the on-line monitoring device 30, and is configured to receive, process and store the obtained real-time water quality data, and an operator can directly obtain all real-time water quality data, is convenient for controlling the sewage treatment process.
The intelligent water quality monitoring system can provide continuous and stable water quality data acquisition, realize the quantitative operation efficiency of each section or each monomer of the sewage treatment plant without manual intervention, and evaluate the operation effect of each stage of the sewage treatment plant so as to make process adjustment in time and reduce the operation cost. Because specific data results are used for supporting and analyzing, the operation personnel do not need to rely on own experience, and the stability is good.
In this embodiment, the preprocessing apparatus 201 may include the following devices: 1. pretreatment system of the water body to be detected: removing various influencing impurities by means of flocculation precipitation, filtration, ultrafiltration and the like; 2. a medicament cleaning system: the pretreatment device 201 is cleaned periodically with chemicals to avoid impurities remaining.
In this embodiment, the data processing system 202 is in communication connection with the online monitoring device 30 through wireless transmission or wired transmission, so as to perform real-time acquisition, storage, and mining on data, form an operation log, and upload the operation log to a related monitoring platform. Preferably, the data processing system 202 is further provided with a data transmission interface.
Preferably, the intelligent water quality monitoring system further comprises a real-time linkage system in communication connection with the data processing system 202, wherein the real-time linkage system includes, but is not limited to, a phosphorus removal agent feeding pump, a carbon source feeding pump, a reflux pump, a sludge discharge pump or a blower. The intelligent water quality monitoring system disclosed by the invention can be used for linking the obtained quantitative evaluation data with the real-time linkage system, accurately controlling the energy consumption and the medicine consumption, controlling the operation cost of a sewage treatment plant in an optimal range, realizing an intelligent water management mode and reducing the energy consumption of sewage treatment on the basis of ensuring that the sewage treatment reaches the standard. If the sewage load is low or the system efficiency is high, the dosage is reduced in real time, and the equipment running frequency is reduced; for example, when the sewage load is high or the system efficiency is low, the dosage is increased in real time, and the running power of the equipment is increased.
When the real-time linkage system is a phosphorus removing agent feeding pump, accurate chemical phosphorus removal can be realized;
when the real-time linkage system is used as a carbon source feeding pump and a reflux pump, accurate biological nitrogen removal can be realized;
when the real-time linkage system is a sludge discharge pump, accurate sludge age control can be realized;
when the real-time linkage system is an air blower, accurate aeration can be realized.
Further, the on-line monitoring device 30 includes, but is not limited to, a five-parameter on-line monitoring device 30, a COD on-line monitoring device 30, an ammonia nitrogen on-line monitoring device 30, a total nitrogen on-line monitoring device 30, or a total phosphorus on-line monitoring device 30, and is used for detecting the removal rate of various pollutants, such as organic matters, ammonia nitrogen, total phosphorus, and the like, at each sewage treatment process stage.
The above examples of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes and modifications which are obvious to the technical scheme of the invention are covered by the protection scope of the invention.
Claims (10)
1. A sequencing batch sewage sampling device is characterized by comprising a plurality of water storage tanks, wherein each water storage tank is communicated with an external sewage sampling point through a first water inlet pipe;
the pressure pump is used for pumping sewage into the water storage tank through the first water inlet pipe;
the multi-channel valve is provided with a plurality of water inlets, water outlets and control valves, each water storage tank is communicated with the corresponding water inlet through a second water inlet pipe, and the control valves are used for communicating one of the water inlets with the water outlets and switching to the next water inlet to be communicated with the water outlets;
the on-line monitoring device is communicated with the water outlet through a third water inlet pipe;
the sample pump is used for pumping sewage into the online monitoring device through the third water inlet pipe;
the water storage tank is provided with an overflow hole and is connected with a drainage pipeline, a sensor is arranged in the drainage pipeline, when the sensor detects water flow, the pressure pump stops pumping sewage, and the sample injection pump starts pumping the sewage into the online monitoring device for detection.
2. The sequencing batch wastewater sampling apparatus of claim 1, wherein the water inlets are spaced apart along a circumference of the multi-channel valve, and rotation of the control valve causes the water outlets to communicate with different water inlets.
3. The sequencing batch wastewater sampling apparatus of claim 2, wherein a central angle between adjacent water inlets is 45 degrees.
4. The sequencing batch wastewater sampling apparatus of claim 1, wherein the water storage tank is provided with an evacuation valve, and the evacuation valve and the online monitoring device are respectively communicated with the drainage pipeline.
5. The sequencing batch wastewater sampling device of claim 1, further comprising a control device, wherein the pressure pump, the sampling pump and the multi-channel valve are respectively connected with the control device.
6. The sequencing batch wastewater sampling apparatus of claim 1, wherein the storage tank is configured with a cleaning device.
7. The sequencing batch wastewater sampling device of claim 1, wherein the sampling pump is a syringe pump or a plunger pump.
8. An intelligent water quality monitoring system, which comprises a pretreatment device, a sequencing batch sewage sampling device as claimed in any one of claims 1 to 7, and a data processing system, wherein sewage passes through the pretreatment device to remove impurities and enters the sequencing batch sewage sampling device, the online monitoring device acquires real-time water quality data, and the data processing system is in communication connection with the online monitoring device and is used for receiving, processing and storing the acquired real-time water quality data.
9. The intelligent water quality monitoring system according to claim 8, further comprising a real-time linkage system in communication with the data processing system, wherein the real-time linkage system includes, but is not limited to, a phosphorus removal agent feeding pump, a carbon source feeding pump, a reflux pump, a sludge discharge pump, or an air blower.
10. The intelligent water quality monitoring system according to claim 8, wherein the on-line monitoring device includes but is not limited to a five-parameter on-line monitoring device, a COD on-line monitoring device, an ammonia nitrogen on-line monitoring device, a total nitrogen on-line monitoring device or a total phosphorus on-line monitoring device.
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| CN202110179711.XA CN112798807A (en) | 2021-02-08 | 2021-02-08 | Sequencing batch type sewage sampling device and intelligent water quality monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114295799A (en) * | 2022-01-10 | 2022-04-08 | 山东省国发科技有限公司 | Sewage detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114295799A (en) * | 2022-01-10 | 2022-04-08 | 山东省国发科技有限公司 | Sewage detection device |
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