CN117872899A - System and method for monitoring rain drainage of industrial park - Google Patents
System and method for monitoring rain drainage of industrial park Download PDFInfo
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- CN117872899A CN117872899A CN202410063554.XA CN202410063554A CN117872899A CN 117872899 A CN117872899 A CN 117872899A CN 202410063554 A CN202410063554 A CN 202410063554A CN 117872899 A CN117872899 A CN 117872899A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 239000010865 sewage Substances 0.000 claims abstract description 45
- 230000002159 abnormal effect Effects 0.000 claims description 39
- 238000001514 detection method Methods 0.000 claims description 38
- 230000014759 maintenance of location Effects 0.000 claims description 9
- 238000013499 data model Methods 0.000 claims description 8
- 206010027336 Menstruation delayed Diseases 0.000 claims description 2
- 239000002351 wastewater Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- 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
- G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/26—Government or public services
- G06Q50/265—Personal security, identity or safety
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Abstract
The invention belongs to the technical field of monitoring of rain drainage in a park, and discloses an industrial park rain drainage monitoring system, which comprises: the rain gauge is used for collecting rainfall data of the enterprise factory; the flowmeter is used for collecting metering data of the rainwater drainage port; the liquid level meter is used for collecting liquid level data of the initial rainwater collecting tank and recording the liquid level data as first real-time liquid level data; an automatic sampler for collecting and retaining a water sample; the timing module is used for collecting rainfall time data of the enterprise factory; the main control module is respectively and electrically connected with the rain gauge, the flowmeter, the liquid level meter, the automatic sampler, the timing module and the switching electric valve; the main control module controls the rain gauge and the flowmeter to be normally opened, and controls the liquid level gauge, the automatic sampler, the timing module and the switching electric valve to be normally closed; the invention can realize the monitoring of the initial rainwater discharge and the monitoring of the later rainwater discharge and the monitoring of the mixed rainwater and sewage discharge by utilizing low-cost means such as the rain gauge, the flowmeter, the liquid level gauge and the like.
Description
Technical Field
The invention belongs to the technical field of monitoring of rain drainage in a park, and particularly relates to a system and a method for monitoring rain drainage in an industrial park.
Background
A large number of industrial enterprises are distributed in the industrial park, and due to the problems of internal infrastructure, self management level and the like of the industrial enterprises and the fact that rain and sewage pipelines are damaged, connected in a staggered manner and not split in place, the situation of water inlet sewage is frequently fresh, statistics of water environment pollution cases in recent years is found, and most cases exist in which the enterprise water inlet discharges sewage to the external environment.
At present, the rainwater supervision means of an industrial park is relatively weak, or due to the cost problem, the water quality on-line monitoring equipment is only installed at the rainwater drainage port of an enterprise in the key industry to carry out supervision, most of the industry supervision is lacking, the water quality on-line monitoring equipment is high in price, full-coverage supervision is difficult to realize, effective supervision on partial dilution emission conditions cannot be achieved, and the water quality on-line monitoring cannot be achieved on partial dilution emission conditions.
Disclosure of Invention
The present invention aims to solve the above technical problems at least to some extent. Therefore, the invention aims to provide an industrial park rain drainage monitoring system and method.
The technical scheme adopted by the invention is as follows:
an industrial park rain drainage monitoring system comprises a plurality of enterprise factories, wherein each enterprise factory comprises a pollution area and a non-pollution area, a first rainwater pipeline of the pollution area is connected with an initial rainwater collecting tank, a second rainwater pipeline of the non-pollution area is connected with a pit, and the pit is connected with a rainwater drainage port; the first rainwater pipeline is connected with the second rainwater pipeline through a connecting pipeline, and a switching electric valve is arranged at the joint of the connecting pipeline and the first rainwater pipeline; the industrial park rain drainage monitoring system comprises:
the rain gauge is used for collecting rainfall data of the enterprise factory;
the flowmeter is used for collecting metering data of the rainwater drainage port;
the liquid level meter is used for collecting liquid level data of the initial rainwater collecting tank and recording the liquid level data as first real-time liquid level data;
an automatic sampler for collecting and retaining a water sample;
the timing module is used for collecting rainfall time data of the enterprise factory;
the main control module is respectively and electrically connected with the rain gauge, the flowmeter, the liquid level meter, the automatic sampler, the timing module and the switching electric valve; the main control module controls the rain gauge and the flowmeter to be normally opened, and controls the liquid level gauge, the automatic sampler, the timing module and the switching electric valve to be normally closed;
the main control module judges whether the current weather is a sunny day or a rainy day according to rainfall data acquired by the rainfall gauge; when rainfall data acquired by the rain gauge is zero, the main control module judges that the metering data of the flowmeter is in positive growth on a sunny day, and the main control module judges that the metering data is in abnormal emission and controls the automatic sampler to sample retention monitoring;
when rainfall data collected by the rain gauge is positive, the main control module judges that the rainfall data is rainy days, and the main control module controls the timing module to be started, and the timing module starts to a first set time t after the timing module is started 1 The first set time t is the initial period of rainfall 1 The later period is the later period of rainfall;
when entering the early period of rainfall, the main control module controls the liquid level meter to be started, and when the first real-time liquid level data acquired by the liquid level meter is not matched with the rainwater data of the polluted area, the main control module judges that the rainwater of the polluted area is abnormal;
in the whole rainfall initial stage, the main control module calculates the compliant rainfall amount in the rainfall initial stage according to rainfall data, calculates the actual rainfall amount in the rainfall initial stage according to metering data, and when the actual rainfall amount in the rainfall initial stage is larger than the compliant rainfall amount in the rainfall initial stage, the main control module judges that abnormal drainage is carried out and controls the automatic sampler to carry out sample retention monitoring;
when entering the later period of rainfall, the main control module controls the action of switching the electric valve, the first rainwater pipeline and the second rainwater pipeline are communicated through the connecting pipeline, and the passage between the first rainwater pipeline and the initial rainwater collecting tank is blocked;
in the whole rainfall later stage, the main control module calculates the compliant rainfall amount in the rainfall later stage according to rainfall data, calculates the actual rainfall amount in the rainfall later stage according to metering data, and when the actual rainfall amount in the rainfall later stage is larger than the compliant rainfall amount in the rainfall later stage, the main control module judges that the rainfall is abnormal, and controls the automatic sampler to monitor the sample retention;
when rainfall data collected by the rainfall gauge is changed from positive value to zero and is kept at zero value for a second set time t 2 And after the main control module judges that the rainfall is over, the main control module controls the action of switching the electric valve to communicate the passage between the first rainwater pipeline and the initial rainwater collecting tank.
Preferably, all of the initial rainwater collection tanks are connected to a centralized sewage treatment station by sewage pipes; the industrial park rain drainage monitoring system further comprises:
the vibration sensor is arranged on the sewage pipeline through the fixing seat and is used for detecting whether sewage flows through the sewage pipeline or not;
the sensor detection module is used for detecting whether the vibration sensor has faults or not;
the loosening detection module is used for detecting whether the fixing seat is loosened or not;
the water quantity detector is arranged at the water outlet of the centralized sewage treatment station and is used for collecting water quantity data at the water outlet;
the main control module is electrically connected with the vibration sensor, the sensor detection module, the looseness detection module and the water quantity detector, and controls the water quantity detector to be normally opened, and the main control module controls the vibration sensor, the sensor detection module and the looseness detection module to be normally closed;
when the water quantity data acquired by the water quantity detector are positively increased, the main control module controls the vibration sensor to be started, and when the vibration sensor does not detect that sewage flows in the first rainwater pipeline, the main control module controls the sensor detection module to be started;
when the sensor detection module detects a vibration sensor fault, the main control module judges the vibration sensor fault and alarms the vibration sensor fault; when the sensor detection module detects that the vibration sensor is normal, the main control module controls the loosening detection module to be started;
when the looseness detection module detects that the fixing seat is not loosened, the main control module judges that the sewage treatment of the enterprise factory corresponding to the first rainwater pipeline is abnormal, and carries out abnormal sewage treatment alarm; when the looseness detection module detects that the fixing seat loosens, the main control module judges that the fixing seat loosens and gives an alarm for looseness of the fixing seat.
Preferably, the industrial park rain drainage monitoring system further comprises a mutual inductor, wherein the mutual inductor is arranged on an electric wire of the switching electric valve and is used for detecting whether the switching electric valve is opened or not; the main control module is electrically connected with the transformer and controls the transformer to be normally closed;
when the main control module controls the switching electric valve to act, the main control module controls the transformer to open, and when the transformer does not detect that the switching electric valve is opened, the main control module judges that the switching electric valve is abnormal and performs abnormal alarm on the switching electric valve.
Preferably, the industrial park rain drainage monitoring system further comprises an electronic water gauge, wherein the electronic water gauge is used for acquiring liquid level data of the pit and is recorded as second real-time liquid level data; the main control module controls the electronic water gauge to be normally open, when the second real-time liquid level data collected by the electronic water gauge is positively increased, and the rainfall data collected by the rainfall meter is zero, the main control module judges that the electronic water gauge is abnormally discharged, and controls the automatic sampler to sample and monitor.
Preferably, the amount of the rain water to be discharged in the early period of rainfall= (amount of rainfall-amount of loss) ×area of the non-pollution area, and the amount of the rain water to be discharged in the late period of rainfall= (amount of rainfall-amount of loss) ×area of the pollution area+area of the non-pollution area.
Preferably, the industrial park rain drainage monitoring system further comprises an alarm module, and the main control module controls the alarm module to be normally closed; when the main control module judges that the abnormal emission is caused, the main control module controls the alarm module to be started, and abnormal emission alarm is carried out.
Preferably, the industrial park rain drainage monitoring system further comprises a big data model, wherein the big data model is formed by training and modeling after the collected rainfall data, metering data and liquid level data are integrated and is used for judging whether abnormal drainage exists or not.
The industrial park rain drainage monitoring system is used for drainage monitoring.
The beneficial effects of the invention are as follows:
the invention utilizes low-cost means such as a rain gauge, a flowmeter, a liquid level meter and the like to realize initial rainwater discharge monitoring, later rainwater discharge monitoring, rainwater and sewage mixed discharge monitoring and the like; the automatic sampler is supervised from the angle of water yield, the abnormal sample is reserved, the water quality analysis is convenient, the input cost of a single drainage port is far lower than that of on-line water quality monitoring, the drainage amount can be controlled from the angle of drainage, the condition of drainage through rainwater dilution can be effectively controlled, the targeted accurate control can be effectively realized, and a system solution is provided for realizing the full coverage of the rainwater drainage supervision of enterprises in industrial parks.
Drawings
Figure 1 is a schematic diagram of an industrial park rain drainage monitoring system of the present invention.
Figure 2 is a schematic block diagram of the industrial park rain drainage monitoring system of the present invention.
In the figure: 1-contaminated area; 2-a non-contaminated zone; 3-a first rainwater pipeline; 4-an initial rainwater collection tank; 5-a second rainwater pipeline; 6-pit well; 7-rainwater drainage; 8-connecting pipelines; 9-switching an electric valve; 10-a liquid level meter; 11-sewage pipes; 12-a centralized sewage treatment station; 13-vibration sensor.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should also be appreciated that in the embodiments, the functions/acts may occur in a different order than the figures. For example, two figures shown in succession may in fact be executed substantially concurrently or the figures may sometimes be executed in the reverse order, depending upon the functionality/acts involved.
As shown in fig. 1 and 2, the industrial park comprises a plurality of enterprise factories, the enterprise factories comprise a pollution area 1 and a non-pollution area 2, a first rainwater pipeline 3 of the pollution area 1 is connected with an initial rainwater collecting tank 4, a second rainwater pipeline 5 of the non-pollution area 2 is connected with a pit 6, and the pit 6 is connected with a rainwater drain 7; the first rainwater pipeline 3 and the second rainwater pipeline 5 are connected through a connecting pipeline 8, and a switching electric valve 9 is arranged at the joint of the connecting pipeline 8 and the first rainwater pipeline 3.
In the rainfall condition, enterprises in the industrial park can discharge rainwater through a rainwater pipe network, for most industrial production, enterprise factories of each enterprise are divided into a pollution area and a non-pollution area, and for the rainfall condition, initial rainwater (generally 15min rainfall) in the pollution area needs to be taken into an initial rainwater collecting tank to be discharged after being further treated as sewage, and the sewage cannot be directly discharged; rainwater in the non-pollution area and rainwater in the later stage of the pollution area (precipitation after 15 min) are directly discharged or enter a rainwater pipe network through a second rainwater pipe.
Specifically, the pollution area is divided according to the production characteristics and pollution characteristics of the production devices of enterprises, for example, certain chemical production enterprises have open-air device areas, have leakage and drip, or certain materials are transported and fall, under the condition, the initial rainwater of pollutants can be polluted by the initial rainwater in the raining initial stage, the part is used as the pollution area in environmental protection management, the initial rainwater is discharged after being treated as wastewater, and the wastewater cannot be discharged through a rainwater discharge port.
As shown in fig. 1 and 2, the industrial park rain drainage monitoring system comprises a rain gauge, a flowmeter, a liquid level meter 10, an automatic sampler, a timing module and a main control module, wherein the rain gauge is installed in the industrial park and is used for collecting rainfall data of enterprise factories in the industrial park, in particular, for small-range industrial parks, the rain gauge can be installed at a typical position, and for large-range industrial parks, the rain gauge can be installed at each enterprise factory; the flowmeter is arranged at the rainwater drainage port of each enterprise factory and is used for collecting metering data of the rainwater drainage port; the liquid level meter 10 is installed in the initial rainwater collecting tank 4, and can be a floating ball liquid level meter, and is used for collecting liquid level data of the initial rainwater collecting tank 4 and recording the liquid level data as first real-time liquid level data; the automatic sampler is arranged at a rainwater drainage port of each enterprise factory in the industrial park and is used for collecting and retaining water samples, so that the subsequent water quality analysis is facilitated; the timing module has a timing function and is used for collecting rainfall time data of the enterprise factory.
The main control module is respectively and electrically connected with the rain gauge, the flowmeter, the liquid level gauge, the automatic sampler, the timing module and the switching electric valve; the main control module controls the rain gauge and the flowmeter to be normally opened, and controls the liquid level gauge, the automatic sampler, the timing module and the switching electric valve to be normally closed.
The main control module judges whether the current weather is a sunny day or a rainy day according to rainfall data acquired by the rainfall gauge; when the rainfall data collected by the rainfall gauge is zero, the main control module judges that the rainy day is a sunny day, and when the rainfall data collected by the rainfall gauge is a positive number, the main control module judges that the rainy day is a rainy day.
When rainfall data acquired by the rain gauge is zero, the main control module judges that the metering data of the flowmeter is in positive growth on a sunny day, and the main control module judges that the metering data is in abnormal emission and controls the automatic sampler to sample retention monitoring;
when rainfall data collected by the rain gauge is positive, the main control module judges that the rainfall data is rainy days, and the main control module controls the timing module to be started, and the timing module starts to a first set time t after the timing module is started 1 The first set time t is the initial period of rainfall 1 The later period is the later period of rainfall; first set time t 1 15min, the initial period of rainfall is a period of time within 15min from the beginning of rainfall, and the later period of rainfall is a period of time from 15min after the beginning of rainfall to the end of rainfall.
In the early stage of rainfall, the initial rainwater in the polluted area is collected into the initial rainwater collecting tank 4 for wastewater treatment, and cannot be discharged through a rainwater discharge port. The rainwater drainage port can only drain rainwater in a non-pollution area. When the rainfall enters the initial stage, the main control module controls the liquid level meter to be started, and when the first real-time liquid level data collected by the liquid level meter is not matched with the rainwater data of the polluted area, the main control module judges that the rainwater of the polluted area is abnormal.
In the whole rainfall initial stage, if the rainfall is larger in the period, the situation that the enterprise does not collect and treat the initial rainwater or other waste water is discharged can be judged, so that the main control module can calculate the total rainfall= (rainfall-loss) non-pollution area of the rainfall in the rainfall initial stage according to rainfall data, calculate the actual rainfall in the rainfall initial stage according to metering data, and judge that abnormal discharge exists when the actual rainfall in the rainfall initial stage is larger than the total rainfall in the rainfall initial stage, and control the automatic sampler to monitor the sample retention.
When entering the later period of rainfall, the main control module controls the action of switching the electric valve, the first rainwater pipeline and the second rainwater pipeline are communicated through the connecting pipeline, and the passage between the first rainwater pipeline and the initial rainwater collecting tank is blocked; the late stage rainwater of the polluted area can be directly discharged through the second rainwater pipeline.
In the later period of rainfall, the polluted area is washed clean, and then the rainwater of the whole plant can be discharged through the rainwater discharge port. In the whole rainfall later stage, if the rainfall amount is larger in the period, it can be judged that other waste water is mixed, the main control module calculates the compliance drainage amount of rainwater= (rainfall amount-loss amount) in the rainfall later stage according to rainfall amount data (pollution area+non-pollution area), calculates the actual drainage amount of rainwater in the rainfall later stage according to metering data, and when the actual drainage amount of rainwater in the rainfall later stage is larger than the compliance drainage amount of rainwater in the rainfall later stage, the main control module judges that the drainage is abnormal, and controls the automatic sampler to sample retention monitoring.
The loss amount described above generally includes an evaporation amount, a pipe head loss amount, and the like.
When rainfall data collected by the rainfall gauge is changed from positive value to zero and is kept at zero value for a second set time t 2 After the main control module judges that the rainfall is over, the main control moduleThe module controls and switches the action of the electric valve, and the passage between the first rainwater pipeline and the initial rainwater collecting tank is communicated. Second set time t 2 Can be specifically set according to different regions, in the present embodiment, the second setting time t 2 20min.
All initial rainwater collecting tanks 4 are connected with a centralized sewage treatment station 12 through a sewage pipeline 11, initial rainwater is collected in the initial rainwater collecting tanks of all enterprises and is treated together at the centralized sewage treatment station, in order to supervise whether the enterprises convey the initial rainwater to the centralized sewage treatment station for sewage treatment when treating sewage, the industrial park rainwater drainage monitoring system further comprises a vibration sensor 13, a sensor detection module, a loosening detection module and a water quantity detector. The vibration sensor 13 is installed on the sewage pipeline 11 through a fixing seat and is used for detecting whether sewage flows through the sewage pipeline; the sensor detection module is used for detecting whether the vibration sensor has a fault or not; the loosening detection module is used for detecting whether the fixing seat is loosened or not; the water quantity detector is arranged at the water outlet of the centralized sewage treatment station 12 and is used for collecting water quantity data at the water outlet. The main control module is electrically connected with the vibration sensor, the sensor detection module, the loosening detection module and the water quantity detector, and is used for controlling the water quantity detector to be normally opened and controlling the vibration sensor, the sensor detection module and the loosening detection module to be normally closed.
When the water quantity data acquired by the water quantity detector is increased, namely the centralized sewage treatment station is used for treating sewage in a centralized manner, the main control module controls the vibration sensor of each enterprise factory to be started, and when the vibration sensor does not detect that sewage flows in the sewage pipeline, the main control module controls the sensor detection module to be started; when the sensor detection module detects a vibration sensor fault, the main control module judges the vibration sensor fault and alarms the vibration sensor fault so as to remind workers of processing; when the sensor detection module detects that the vibration sensor is normal, the main control module controls the loosening detection module to be started; when the looseness detection module detects that the fixing seat loosens, the main control module judges that the fixing seat loosens and gives an alarm for looseness of the fixing seat so as to remind workers of processing.
When the looseness detection module detects that the fixing seat is not loosened, the main control module can judge that the sewage treatment of the enterprise factory corresponding to the sewage pipeline is abnormal due to the fact that other possible influences are eliminated, and the abnormal alarm of the sewage treatment is carried out so as to remind workers of the sewage treatment.
Vibration sensors can be arranged on the first rainwater pipeline and the connecting pipeline, and the vibration sensors are used for detecting whether rainwater flows through the corresponding pipelines. The vibration sensor on the first rainwater pipeline can judge whether initial rainwater is collected and enters the initial rainwater pond or not by detecting whether rainwater flows through the first rainwater pipeline, namely the vibration sensor on the first rainwater pipeline is required to vibrate after raining. The main control module controls the normally closed state of the vibration sensor on the first rainwater pipeline, when the first rainwater pipeline enters the rainfall initial stage, the main control module controls the vibration sensor on the first rainwater pipeline to start, and when the vibration sensor on the first rainwater pipeline does not detect that the first rainwater pipeline has rainwater to flow through, the main control module carries out abnormal alarm.
The vibration sensor on the connecting pipeline detects whether rainwater flows through the connecting pipeline, namely, in the early stage of rainfall, initial rainwater in a polluted area enters an initial rainwater pond, and the vibration sensor on the connecting pipeline does not vibrate. The main control module controls the normally closed state of the vibration sensor on the connecting pipeline, when the rain enters the early stage, the main control module controls the vibration sensor on the connecting pipeline to start, and when the vibration sensor on the connecting pipeline detects that rain water flows through the connecting pipeline, the main control module carries out abnormal alarm.
The industrial park rain drainage monitoring system further comprises a mutual inductor, wherein the mutual inductor is arranged on an electric wire of the switching electric valve and is used for detecting whether the switching electric valve is opened or not; the main control module is electrically connected with the transformer and controls the transformer to be normally closed.
When the main control module controls the switching electric valve to act, the main control module controls the transformer to open, and when the transformer does not detect that the switching electric valve is opened, the main control module judges that the switching electric valve is abnormal and performs abnormal alarm on the switching electric valve.
Because the flowmeter can not acquire metering data under low liquid level or no liquid level state, the industrial park rain drainage monitoring system further comprises an electronic water gauge, and the monitoring has a rainwater pipe network to steal and drain according to abnormal feedback of the liquid level of the electronic water gauge by installing the electronic water gauge. The electronic water gauge is arranged at the pit of each enterprise factory in the industrial park and is used for collecting liquid level data of the pit and recording the liquid level data as second real-time liquid level data.
The main control module controls the electronic water gauge to be normally open, when the second real-time liquid level data collected by the electronic water gauge is positively increased, and the rainfall data collected by the rainfall meter is zero, the main control module judges that the electronic water gauge is abnormally discharged, and controls the automatic sampler to sample and monitor.
The industrial park rain drainage monitoring system further comprises an alarm module and a big data model, wherein the alarm module and the big data model are electrically connected with a main control module, and the main control module controls the alarm module to be normally closed; when the main control module judges that the abnormal emission is caused, the main control module controls the alarm module to be started, and abnormal emission alarm is carried out.
The big data model is formed by training and modeling after the collected rainfall data, metering data and liquid level data are integrated, and according to long-term accumulation and training, linear relations among the rainfall, the initial rainfall and all the rainfall can be established, the compliant emission conditions of all stages are obtained, the big data model judges whether abnormal emission exists or not according to the rainfall data, the metering data and the liquid level data collected in real time, and meanwhile, an automatic sampler is connected in parallel in cooperation with abnormal alarming of an alarming module to carry out instant water sampling and sample reservation, so that powerful evidence is provided for follow-up monitoring analysis and judging of abnormal drainage behavior properties.
The industrial park rain drainage monitoring system is used for drainage monitoring.
The invention is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present invention, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present invention, fall within the scope of protection of the present invention.
Claims (8)
1. The industrial park rain drainage monitoring system is characterized by comprising a plurality of enterprise factories, wherein each enterprise factory comprises a pollution area and a non-pollution area, a first rain water pipeline of the pollution area is connected with an initial rain water collecting tank, a second rain water pipeline of the non-pollution area is connected with a pit, and the pit is connected with a rain water drainage port; the first rainwater pipeline is connected with the second rainwater pipeline through a connecting pipeline, and a switching electric valve is arranged at the joint of the connecting pipeline and the first rainwater pipeline; the industrial park rain drainage monitoring system comprises:
the rain gauge is used for collecting rainfall data of the enterprise factory;
the flowmeter is used for collecting metering data of the rainwater drainage port;
the liquid level meter is used for collecting liquid level data of the initial rainwater collecting tank and recording the liquid level data as first real-time liquid level data;
an automatic sampler for collecting and retaining a water sample;
the timing module is used for collecting rainfall time data of the enterprise factory;
the main control module is respectively and electrically connected with the rain gauge, the flowmeter, the liquid level meter, the automatic sampler, the timing module and the switching electric valve; the main control module controls the rain gauge and the flowmeter to be normally opened, and controls the liquid level gauge, the automatic sampler, the timing module and the switching electric valve to be normally closed;
the main control module judges whether the current weather is a sunny day or a rainy day according to rainfall data acquired by the rainfall gauge; when rainfall data acquired by the rain gauge is zero, the main control module judges that the metering data of the flowmeter is in positive growth on a sunny day, and the main control module judges that the metering data is in abnormal emission and controls the automatic sampler to sample retention monitoring;
when rainfall data collected by the rain gauge is positive, the main control module judges that the rainfall data is rainy days, and the main control module controls the timing module to be started, and the timing module starts to a first set time t after the timing module is started 1 The first set time t is the initial period of rainfall 1 The later period is the later period of rainfall;
when entering the early period of rainfall, the main control module controls the liquid level meter to be started, and when the first real-time liquid level data acquired by the liquid level meter is not matched with the rainwater data of the polluted area, the main control module judges that the rainwater of the polluted area is abnormal;
in the whole rainfall initial stage, the main control module calculates the compliant rainfall amount in the rainfall initial stage according to rainfall data, calculates the actual rainfall amount in the rainfall initial stage according to metering data, and when the actual rainfall amount in the rainfall initial stage is larger than the compliant rainfall amount in the rainfall initial stage, the main control module judges that abnormal drainage is carried out and controls the automatic sampler to carry out sample retention monitoring;
when entering the later period of rainfall, the main control module controls the action of switching the electric valve, the first rainwater pipeline and the second rainwater pipeline are communicated through the connecting pipeline, and the passage between the first rainwater pipeline and the initial rainwater collecting tank is blocked;
in the whole rainfall later stage, the main control module calculates the compliant rainfall amount in the rainfall later stage according to rainfall data, calculates the actual rainfall amount in the rainfall later stage according to metering data, and when the actual rainfall amount in the rainfall later stage is larger than the compliant rainfall amount in the rainfall later stage, the main control module judges that the rainfall is abnormal, and controls the automatic sampler to monitor the sample retention;
when rainfall data collected by the rainfall gauge is changed from positive value to zero and is kept at zero value for a second set time t 2 And after the main control module judges that the rainfall is over, the main control module controls the action of switching the electric valve to communicate the passage between the first rainwater pipeline and the initial rainwater collecting tank.
2. The industrial park rain drainage monitoring system of claim 1, wherein: all the initial rainwater collecting tanks are connected with a centralized sewage treatment station through a sewage pipeline; the industrial park rain drainage monitoring system further comprises:
the vibration sensor is arranged on the sewage pipeline through the fixing seat and is used for detecting whether sewage flows through the sewage pipeline or not;
the sensor detection module is used for detecting whether the vibration sensor has faults or not;
the loosening detection module is used for detecting whether the fixing seat is loosened or not;
the water quantity detector is arranged at the water outlet of the centralized sewage treatment station and is used for collecting water quantity data at the water outlet;
the main control module is electrically connected with the vibration sensor, the sensor detection module, the looseness detection module and the water quantity detector, and controls the water quantity detector to be normally opened, and the main control module controls the vibration sensor, the sensor detection module and the looseness detection module to be normally closed;
when the water quantity data acquired by the water quantity detector are positively increased, the main control module controls the vibration sensor to be started, and when the vibration sensor does not detect that sewage flows in the first rainwater pipeline, the main control module controls the sensor detection module to be started;
when the sensor detection module detects a vibration sensor fault, the main control module judges the vibration sensor fault and alarms the vibration sensor fault; when the sensor detection module detects that the vibration sensor is normal, the main control module controls the loosening detection module to be started;
when the looseness detection module detects that the fixing seat loosens, the main control module judges that the fixing seat loosens and alarms when the fixing seat loosens; when the looseness detection module detects that the fixing seat is not loosened, the main control module judges that the sewage treatment of the enterprise factory corresponding to the first rainwater pipeline is abnormal, and carries out abnormal sewage treatment alarm.
3. The industrial park rain drainage monitoring system of claim 1, wherein: the industrial park rain drainage monitoring system further comprises a mutual inductor, wherein the mutual inductor is arranged on an electric wire of the switching electric valve and is used for detecting whether the switching electric valve is opened or not; the main control module is electrically connected with the transformer and controls the transformer to be normally closed;
when the main control module controls the switching electric valve to act, the main control module controls the transformer to open, and when the transformer does not detect that the switching electric valve is opened, the main control module judges that the switching electric valve is abnormal and performs abnormal alarm on the switching electric valve.
4. The industrial park rain drainage monitoring system of claim 1, wherein: the industrial park rain drainage monitoring system further comprises an electronic water gauge, wherein the electronic water gauge is used for acquiring liquid level data of the pit and is recorded as second real-time liquid level data; the main control module controls the electronic water gauge to be normally open, when the second real-time liquid level data collected by the electronic water gauge is positively increased, and the rainfall data collected by the rainfall meter is zero, the main control module judges that the electronic water gauge is abnormally discharged, and controls the automatic sampler to sample and monitor.
5. The industrial park rain drainage monitoring system of claim 1, wherein: the amount of the rain water to be discharged in the early period of rainfall= (rainfall amount-loss amount) ×area of the non-pollution area, and the amount of the rain water to be discharged in the late period of rainfall= (rainfall amount-loss amount) ×area of the pollution area+area of the non-pollution area.
6. The industrial park rain drainage monitoring system of claim 1, wherein: the industrial park rain drainage monitoring system further comprises an alarm module, and the main control module controls the alarm module to be normally closed; when the main control module judges that the abnormal emission is caused, the main control module controls the alarm module to be started, and abnormal emission alarm is carried out.
7. The industrial park rain drainage monitoring system of claim 1, wherein: the industrial park rain drainage monitoring system further comprises a big data model, wherein the big data model is formed by training and modeling after collected rainfall data, metering data and liquid level data are integrated and is used for judging whether abnormal emission exists or not.
8. An industrial park rain drainage monitoring method, which adopts the industrial park rain drainage monitoring system as claimed in claims 1-7 to conduct drainage monitoring.
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| CN112068224A (en) * | 2020-08-19 | 2020-12-11 | 上海品境节能环保科技有限公司 | Rain sewage mixed drainage real-time remote monitoring system |
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