CN115684531A - Wastewater intermittent discharge port flow triggering monitoring method and system - Google Patents
Wastewater intermittent discharge port flow triggering monitoring method and system Download PDFInfo
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- 239000002351 wastewater Substances 0.000 title claims abstract description 119
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- 238000001514 detection method Methods 0.000 claims abstract description 17
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 7
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
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Abstract
The application discloses a method and a system for triggering and monitoring flow of an intermittent wastewater discharge port. Firstly, establishing a sampling relation with a target wastewater discharge port, and acquiring wastewater intermittently discharged from the target wastewater discharge port based on the sampling relation; collecting the wastewater intermittently discharged from a target wastewater discharge port according to a preset time interval, and detecting the instantaneous flow of the wastewater intermittently discharged from the target wastewater discharge port in real time; judging whether the current instantaneous flow exceeds a preset flow threshold value or not, and collecting a water sample when the current instantaneous flow exceeds the preset flow threshold value; the currently collected water sample is detected by an online monitoring and analyzing instrument, and a detection result is reported to an automatic pollution source monitoring and managing platform by a data control unit. On the basis of realizing accurate supervision of the wastewater discharge port, the invention realizes energy conservation and consumption reduction of reagent reduction, power consumption reduction, waste liquid reduction and the like, and simultaneously prolongs the service life of monitoring equipment.
Description
Technical Field
The invention relates to the technical field of water quality monitoring, in particular to a method and a system for triggering and monitoring the flow of a wastewater intermittent discharge port.
Background
The water environment problem is one of the topics which are of great concern at present, water sample collection and monitoring are basic links in a water environment supervision system, and the established online monitoring of the pollution source in China generally aims at the characteristic of continuous wastewater discharge, and water sample collection and monitoring are carried out once every 2 hours according to set time, so that the pollutant discharge condition of the wastewater of an enterprise can be basically reflected. However, the on-line monitoring of the intermittent discharge site obviously has problems, the intermittent discharge mode of the wastewater is complex, the discharge frequency, the discharge period and the like have obvious randomness, and some enterprises discharge the wastewater twice a day, and the discharge time is within 1 h. The discharge time of some enterprises is not fixed, and the discharge time is more than 2h each time. Some enterprises discharge the interval time fixedly, but discharge the duration unfixed, discharge random irregularity about 1h sometimes about 2h sometimes.
Because the continuous discharge mode is adopted for monitoring, sampling ports of some enterprises are arranged at positions (water turning wells) with water for a long time, and an online monitoring instrument can also normally monitor the water without discharge, sometimes the measured data of several hours is the same water sample, and the accuracy, the reality and the effectiveness of the monitored data cannot be ensured. Meanwhile, the reagent, the waste liquid and the power consumption are large, and the service life of the monitoring equipment is short.
The water sample is collected according to the set time, the water sample is collected every 2 hours for monitoring, the time for operation is reserved for enterprises, some enterprises master the sampling rule, and the unqualified wastewater is stolen and discharged in a non-sampling time period to escape from supervision.
Disclosure of Invention
Based on this, the embodiment of the application provides a wastewater intermittent type nature discharge port flow triggers monitoring method and system, can reduce energy saving and consumption reduction such as detect reagent, reduction power consumption, reduction waste liquid on the basis of realizing the accurate supervision of wastewater discharge port, prolongs monitoring facilities's life simultaneously.
In a first aspect, a wastewater intermittent discharge outlet flow triggering and monitoring method is provided, which is applied to an intelligent monitor, and comprises the following steps:
establishing a sampling relation with a target wastewater discharge port, and acquiring wastewater intermittently discharged from the target wastewater discharge port based on the sampling relation;
collecting the wastewater intermittently discharged from the target wastewater discharge port according to a preset time interval, detecting the instantaneous flow of the wastewater intermittently discharged from the target wastewater discharge port in real time,
judging whether the current instantaneous flow exceeds a preset flow threshold value or not, and collecting a water sample when the current instantaneous flow exceeds the preset flow threshold value;
detecting the currently collected water sample through an online monitoring and analyzing instrument;
and the data control unit reports the detection result to the automatic pollution source monitoring and managing platform.
Optionally, the method can also be applied to a water quality acquisition unit, and the whole system operation, flow acquisition, sampling, sample supply and sample retention trigger instrument measurement process are completed through the water quality acquisition unit.
Optionally, a sampling relation with the target wastewater discharge port is established, and after the wastewater intermittently discharged from the target wastewater discharge port is obtained based on the sampling relation, the method further comprises:
collecting waste water intermittently discharged from a target waste water discharge port according to a preset time interval;
when the effective sampling times in the unit time period are more than or equal to the set sampling times, triggering an online monitoring and analyzing instrument to detect the currently collected water sample through a switching value signal, and reporting a detection result;
and when the detection result exceeds the standard, performing standard exceeding sample retention on the water sample collected at present.
Optionally, video monitoring is set to carry out video real-time monitoring on the target wastewater discharge port and the management station house, and the management station house is provided with an entrance guard.
Optionally, the detecting of the currently collected water sample by the on-line monitoring analyzer includes:
and analyzing the contents of COD, ammonia nitrogen, total phosphorus and total nitrogen in the currently collected water sample by using an online monitoring analyzer.
Optionally, the real-time detecting an instantaneous flow rate of intermittently discharged wastewater from the target wastewater discharge port includes:
the instantaneous flow rate of wastewater discharged from the target wastewater discharge port is measured by a flow meter and transmitted by a digital signal.
Optionally, the method further comprises:
and uploading the instantaneous flow, the accumulated flow and the corresponding detection result of the wastewater intermittently discharged from the target wastewater discharge port to an automatic pollution source monitoring and managing platform for analysis.
Optionally, when the effective sampling number of times in the unit time period is less than the set sampling number of times, the online monitoring instrument is not triggered to measure in the current unit time period, and whether the effective sampling number of times is greater than the set sampling number of times is determined again in the next unit time period.
In a second aspect, there is provided an intermittent waste drain flow trigger monitoring system, the system comprising:
the sampling port is used for establishing a sampling relation with the target wastewater discharge port and acquiring the intermittently discharged wastewater of the target wastewater discharge port based on the sampling relation;
the flow unit is used for detecting the instantaneous flow of the wastewater intermittently discharged from the target wastewater discharge port in real time and accumulating the instantaneous flow according to time to obtain the accumulated flow;
the water sample collecting unit is used for collecting a water sample of the wastewater intermittently discharged from the target wastewater discharge port when the set time instantaneous flow exceeds a preset flow threshold;
the analysis unit is used for detecting the currently collected water sample through an online monitoring and analyzing instrument;
and the data control unit is used for reporting the detection result to the automatic pollution source monitoring and managing platform.
Optionally, the system further comprises:
the access control and video monitoring unit is used for setting video monitoring to carry out video real-time monitoring on the target wastewater discharge port and the management station house;
and the pollution source automatic monitoring management platform is used for acquiring a currently acquired water sample detection result of the target wastewater discharge port.
It can be seen that the beneficial effects of the invention are:
(1) The energy conservation and consumption reduction of reagents, power consumption, waste liquid and the like are realized, and the service life of the monitoring equipment is prolonged.
(2) By adopting uninterrupted mixed sampling, the flow is calculated in real time, and the behavior of stealing drainage by using sampling idle time on site is effectively prevented.
(3) The drainage condition of the sampling port and the running condition of the station house monitoring facility are monitored in real time by utilizing videos, the problem of abnormal monitoring data caused by human interference is effectively solved, and false behavior is prevented from being made.
(4) The method has the advantages that the whole process is supervised and managed, the parameters, the states, the logs and the video platform are displayed and traceable, the problem that the sampling mode is changed privately to affect the monitoring data is effectively solved, the occurrence of the case of monitoring data counterfeiting is avoided, and the quality of the monitoring data is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary and that other implementation drawings may be derived from the drawings provided to one of ordinary skill in the art without inventive effort.
Fig. 1 is a flowchart of a flow triggering monitoring method for an intermittent wastewater discharge outlet according to an embodiment of the present disclosure;
FIG. 2 is a frame diagram of a full-flow control flow triggering automatic monitoring method of an intelligent monitoring instrument of an 'intermittent wastewater discharge port' provided by the patent example of the invention;
fig. 3 is a block diagram of a flow triggering and monitoring system for an intermittent wastewater discharge outlet according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In the description of the present invention, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements specifically listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus or additional steps or elements based on further optimization of the inventive concept.
The 'wastewater intermittent discharge port' flow triggering automatic monitoring method (working method) is realized based on a pollution source automatic monitoring system, and the pollution source automatic monitoring system comprises a flow monitoring unit, a water quality automatic sampling unit, a water quality automatic analysis unit, a data control unit and other equipment.
The invention aims to provide a flow triggering automatic monitoring method (working method) for an 'intermittent wastewater discharge port', which realizes energy conservation and consumption reduction by reducing reagents, electricity consumption, waste liquid and the like on the basis of the precise supervision of the intermittent wastewater discharge port, prolongs the service life of on-line monitoring equipment, ensures the normal operation of the monitoring equipment, and ensures that the automatic monitoring data of a pollution source is real, accurate, complete and effective.
The 'wastewater intermittent discharge port' flow triggering automatic monitoring method (working method) is realized based on an automatic pollution source monitoring and managing system, and the automatic pollution source monitoring and managing system comprises an automatic pollution source monitoring and managing platform, a transmission network and field end monitoring equipment. The site end monitoring equipment refers to a facility which is arranged on the site of a sewage unit and is used for supervising and managing the production of the sewage unit, the operation of a pollution treatment facility and the implementation of supervision and management of pollutant discharge monitoring equipment, and can comprise an intelligent monitor, a flow unit, a water sample acquisition unit, an analysis unit, a station room entrance guard, video monitoring equipment and the like. Specifically, please refer to fig. 1, which shows a flowchart of a flow triggering monitoring method for an intermittent wastewater discharge outlet (i.e. a "intermittent wastewater discharge outlet" flow triggering automatic monitoring method (working method), which is applicable to an intelligent monitoring instrument, and the method may include the following steps:
In this embodiment, flow unit, water sample collection unit, analysis unit, station room entrance guard, video monitoring connect intelligent monitoring appearance, and intelligent monitoring appearance control water sample collection unit is adopted water, is supplied appearance, is stayed the appearance, triggers analysis unit measurement, gathers the data, state, parameter and the video output of every unit and gives pollution sources automatic monitoring management platform, and pollution sources automatic monitoring management platform carries out flow, data, state, video information display.
In the application, the system obtains the wastewater intermittently discharged by the target wastewater discharge port according to the sampling relation established with the discharge port.
And 102, collecting the intermittently discharged wastewater of the target wastewater discharge port according to a preset time interval, and detecting the instantaneous flow of the intermittently discharged wastewater of the target wastewater discharge port in real time.
In this embodiment, the flow unit for performing step 102 includes a metering weir (tank) and a flow (velocity) meter, and a standardized metering weir (tank) such as a triangular thin-walled weir, a rectangular thin-walled weir, or a marshall tank is generally installed on site. The flow rate of the flow rate meter refers to the volume of liquid level passing through a certain water passing section of the open channel in unit time. The output end of the flow monitoring unit is connected with the intelligent monitor through a digital signal, and the output end of the flow monitoring unit is connected with the automatic water quality sampler through an analog signal. The flowmeter outputs the instantaneous flow and transmits the instantaneous flow to the intelligent monitor and the automatic water quality sampler.
And 103, judging whether the current instantaneous flow exceeds a preset flow threshold value or not at set time, and collecting a water sample when the current instantaneous flow exceeds the preset flow threshold value.
In this embodiment, the water quality automatic sampling unit implementing step 103 includes a sampling pump and a water quality automatic sampler. The output end of the water quality automatic sampler is connected with the intelligent monitor through a digital quantity signal, the water quality automatic sampler takes 2 hours as a time period, sampling is carried out once in 15min, and the effective sampling frequency is more than or equal to the set frequency for sampling. The effective sampling times are less than the set times, and the automatic water quality analyzer is not triggered to measure, empty and mix the barrel. The intelligent monitor reads the state and parameters of the automatic water sampler, records and uploads the state and parameters to an automatic pollution source monitoring and management platform of an ecological environment administrative department.
104, detecting the currently collected water sample through an online monitoring and analyzing instrument;
and step 105, the data control unit reports the detection result to the pollution source automatic monitoring management platform.
In this embodiment, the analysis unit implementing step 104 includes a device for continuously monitoring and controlling pollutant discharge, such as COD, ammonia nitrogen, total phosphorus, total nitrogen, etc. The analysis unit adopts an online monitoring analyzer, the output end of the analysis unit is connected with an intelligent monitor through a digital quantity signal, the intelligent monitor controls the water quality sampler to supply sample to trigger the online monitoring analyzer for measuring COD, ammonia nitrogen, total phosphorus, total nitrogen and the like, and the state, parameters and data of the online monitoring analyzer are read and uploaded to the pollution source automatic monitoring management platform.
Optionally, this application still includes that station room entrance guard and video monitoring are used for station room and thief hatch supervision, and station room entrance guard, video monitoring connect intelligent monitoring appearance, and station room, thief hatch video real time monitoring satisfy anytime and anywhere remote monitoring, prevent to make false.
In an optional embodiment of the present application, the method may be applied not only to an intelligent monitor, but also to a water quality acquisition unit, and the flow acquisition, sampling, sample supply, and sample retention trigger the measurement process of the meter, specifically:
the flow monitoring unit, the automatic water quality sampling unit, the automatic water quality analysis unit and other equipment are connected with an intelligent monitor (having the functions of data acquisition, intelligent control, data storage, data uploading and the like), the automatic water quality sampler controls the whole system to automatically judge whether a sampling condition is met, and if the sampling condition is not met, the automatic water quality analyzer is controlled not to start monitoring; if the monitoring data meets the requirements, triggering an automatic water quality analyzer to start monitoring, collecting the monitoring data of the time and uploading the monitoring data to an automatic pollution source monitoring and managing platform of a department in charge of ecological environment.
The output end of the flow monitoring unit is connected with the intelligent monitor through a digital quantity signal, and the flowmeter outputs instantaneous flow and accumulated flow and uploads the instantaneous flow and the accumulated flow to the intelligent monitor.
The output end of the automatic water quality analyzer is connected with the intelligent monitor through a switching value signal, the water quality sampling unit is responsible for sampling, sample supplying, sample reserving, instrument measuring triggering and measuring (automatic monitoring analyzers for COD, ammonia nitrogen, total phosphorus, total nitrogen and the like) and triggering the instruments to measure, and after the automatic water quality analyzer completes monitoring analysis, the intelligent monitor reads the state, parameters and data of the automatic water quality analyzer and uploads the state, parameters and data to the pollution source automatic monitoring management platform of the department responsible for the ecological environment.
Another embodiment based on the 2 alternative detection methods described above is given below, specifically:
as shown in figure 2, the full-flow control flow triggering automatic monitoring method of the intelligent monitoring instrument for the' intermittent wastewater discharge port
The flow unit, the water sample acquisition unit, the analysis unit, the station room entrance guard and the video monitoring are connected with the intelligent monitoring instrument. The intelligent monitor output end digital quantity signal is connected with the flow unit, the water sample collecting unit, the analyzing unit and the station entrance guard, and is used for reading the instantaneous flow and the accumulated flow of the flowmeter, controlling the sampling, sample supplying and sample reserving of the water quality sampler, triggering the on-line monitoring analyzer to measure and reading the state, parameters and data of the equipment. The station room entrance guard is used for station room access management, can record the door opening time, the door opening duration and the door magnetism suction state, can remotely control the entrance guard to open the door, lock and issue an entrance guard authorization password, realizes remote off-site supervision, and remotely locks when abnormal operation of field personnel is found. The video monitoring is used for monitoring and managing facilities in a sampling port and a station room, dead-angle-free real-time video monitoring is carried out on a monitoring area, a network port of an output end of the intelligent monitor is connected with the video monitoring, and a pollution source automatic monitoring management platform is connected through a private network. The automatic pollution source monitoring and management platform can check the drainage condition of the sampling port and the station room video in real time to realize accurate supervision.
Specifically, two specific embodiments for implementing the method are given below:
example 1 ("wastewater intermittent discharge port" water quality automatic sampler flow triggering automatic monitoring working method):
the automatic water quality sampling unit acquires instantaneous flow through analog quantity signals, collects mixed water samples and supplies according to set time intervals, automatically judges whether sample making conditions are met, and controls the automatic water quality analyzer to not start monitoring if the sample making conditions are not met; if the monitoring data exceeds the standard, the water quality automatic analyzer outputs a switching value signal to trigger the water quality automatic analyzer to start measurement, the water quality automatic analyzer outputs a switching value signal to trigger the water quality automatic sampler to exceed the standard and leave a sample, and the intelligent monitor/data control unit collects the current monitoring data and uploads the data to a pollution source automatic monitoring management platform of an ecological environment governing department.
The further technical scheme of the embodiment is as follows: the flow monitoring unit comprises a metering weir (groove) and a flow (speed) meter, and a standardized metering weir (groove) such as a triangular thin-wall weir, a rectangular thin-wall weir, a Bashall groove and the like is generally installed on site. The flow rate of the flow rate meter refers to the volume of the liquid level passing through a certain water passing section of the open channel in unit time. The output end of the flow monitoring unit is connected with the intelligent monitor through a digital quantity signal, and the output end of the flow monitoring unit is connected with the automatic water quality sampler through an analog quantity signal. The flowmeter outputs the instantaneous flow and transmits the instantaneous flow to the intelligent monitor and the automatic water quality sampler.
The further technical scheme of the embodiment is as follows: the automatic water quality sampling unit comprises a sampling pump and an automatic water quality sampler. The output end of the automatic water quality sampler is connected with the intelligent monitor through a digital quantity signal, the automatic water quality sampler takes 2h as a time period, sampling is carried out once in 15min, and the effective sampling times are more than or equal to the set times for sampling. The output end of the automatic water sampler triggers the automatic water quality analyzer to start measurement through a switching value signal, and the automatic water quality analyzer is not triggered to measure, empty and mix the barrel when the effective sampling frequency is less than the set frequency. The intelligent monitor reads the state and parameters of the water quality automatic sampler, and records and uploads the state and parameters to an automatic pollution source monitoring and managing platform of an ecological environment governing department.
The further technical scheme of the embodiment is as follows: the automatic water quality analysis unit comprises equipment for continuously monitoring and controlling pollutant emission, such as COD, ammonia nitrogen, total phosphorus, total nitrogen and the like. The water quality automatic analyzer receives a switching value triggering measurement signal of the water quality automatic sampler to start measurement, when automatic monitoring data exceeds the standard, the output end of the water quality automatic analyzer triggers the water quality automatic sampler to exceed the standard through the switching value signal to leave a sample, and the water sample exceeding the standard is retested to assist in proving evidence exceeding the standard. The output end of the automatic water quality analyzer is connected with an intelligent monitor through a digital quantity signal, and the intelligent monitor reads the measured data and the data mark state and uploads the state, parameters and data of the automatic water quality analyzer to an automatic pollution source monitoring and management platform of an ecological environment governing department.
The further technical scheme of the embodiment is as follows: the station room entrance guard and the video monitoring are used for monitoring the station room and the sampling port, the station room entrance guard and the video monitoring are connected with the intelligent monitoring instrument, and the video real-time monitoring of the station room and the sampling port meets the requirement of any-time and any-place remote monitoring, so that the false operation is prevented. If the rear end is a data control unit, the data control unit only reads the measured data of the water quality automatic analyzer and uploads the measured data to an automatic pollution source monitoring and managing platform of an ecological environment governing department.
Example 2 ("wastewater intermittent discharge port" intelligent monitor full-flow control flow triggering automatic monitoring method):
the flow monitoring unit, the automatic water quality sampling unit, the automatic water quality analysis unit and other equipment are connected with an intelligent monitor (having the functions of data acquisition, intelligent control, data storage, data uploading and the like), and the intelligent monitor controls the automatic water quality sampler to sample, supply and leave samples according to the information of the flow monitoring unit, automatically judges whether the sampling conditions are met or not, and controls the automatic water quality analyzer not to start monitoring if the sampling conditions are not met; if the monitoring data meets the requirements, triggering an automatic water quality analyzer to start monitoring, collecting the monitoring data of the time and uploading the monitoring data to an automatic pollution source monitoring and managing platform of a department in charge of ecological environment.
The further technical scheme of the embodiment is as follows: the output end of the flow monitoring unit is connected with the intelligent monitor through a digital quantity signal, and the flowmeter outputs instantaneous flow and accumulated flow and uploads the instantaneous flow and the accumulated flow to the intelligent monitor.
The further technical scheme of the embodiment is as follows: the output end of the automatic water quality sampler is connected with an intelligent monitor through a digital quantity signal, the intelligent monitor controls the automatic water quality sampler to sample, supply and leave samples, and the automatic water quality sampler reads the state and parameters of the automatic water quality sampler, records and uploads the state and parameters to an automatic pollution source monitoring and management platform of an ecological environment department.
The further technical scheme of the embodiment is as follows: the output end of the automatic water quality analyzer is connected with an intelligent monitor through a digital quantity signal, the intelligent monitor controls the automatic water quality sampler to supply samples to the automatic water quality analyzer and triggers the automatic water quality analyzer to measure the samples (COD, ammonia nitrogen, total phosphorus, total nitrogen and other automatic monitoring analyzers), and after the automatic water quality analyzer completes monitoring analysis, the intelligent monitor reads the state, parameters and data of the automatic water quality analyzer and uploads the state, parameters and data to an automatic pollution source monitoring and managing platform of an ecological environment administrative department.
In conclusion, the flow triggering automatic monitoring method (working method) for the intermittent wastewater discharge port effectively solves the problem of inaccurate measured data;
the two technical schemes are a 'wastewater intermittent discharge port' water quality automatic sampler flow triggering automatic monitoring working method 'and a' wastewater intermittent discharge port 'intelligent monitor full-flow control flow triggering automatic monitoring construction method' which are suitable for various irregular intermittent discharge field applications and realize effective water sample collection, sample supply, triggering measurement and overproof sample retention.
The 'wastewater intermittent discharge port' flow triggering automatic monitoring method (working method) effectively realizes energy conservation and consumption reduction of reagent reduction, power consumption reduction, waste liquid reduction and the like, and simultaneously prolongs the service life of monitoring equipment.
The 'wastewater intermittent discharge port' flow triggering automatic monitoring method (working method) adopts uninterrupted mixed sampling, calculates the flow in real time and effectively prevents the behavior of stealing drainage by using sampling idle time on site.
The 'wastewater intermittent discharge port' flow triggering automatic monitoring method (working method) utilizes video to monitor the drainage condition of a sampling port and the running condition of a station house monitoring facility in real time, effectively solves the problem of abnormal monitoring data caused by artificial interference, and prevents false behavior.
The 'wastewater intermittent discharge port' flow triggering automatic monitoring method (working method) has the advantages that the whole process supervision and management is realized, the parameters, the states, the logs and the video platform display can be traced, the source tracing is realized, the problem that the sampling mode is changed privately to affect the monitoring data is effectively solved, the occurrence of the case of monitoring data counterfeiting is avoided, and the quality of the monitoring data is improved.
As shown in fig. 3, the embodiment of the present application further provides a wastewater intermittent discharge outlet flow triggering monitoring system. The system comprises:
the sampling port is used for establishing a sampling relation with the target wastewater discharge port and acquiring the intermittently discharged wastewater of the target wastewater discharge port based on the sampling relation;
the flow unit is used for detecting the instantaneous flow of the wastewater intermittently discharged from the target wastewater discharge port in real time and accumulating the instantaneous flow according to time to obtain the accumulated flow;
the water sample collecting unit is used for collecting a water sample of the wastewater intermittently discharged from the target wastewater discharge port when the accumulated flow exceeds a preset flow threshold;
the analysis unit is used for detecting the currently collected water sample through an online monitoring and analyzing instrument;
and the data control unit is used for reporting the detection result to the automatic pollution source monitoring and managing platform.
In an optional embodiment of the present application, the system further comprises: the access control and video monitoring unit is used for setting video monitoring to carry out video real-time monitoring on the target wastewater discharge port and the management station house; and the pollution source automatic monitoring management platform is used for acquiring a currently acquired water sample detection result of the target wastewater discharge port.
The waste water intermittent discharge outlet flow triggering and monitoring system provided by the embodiment of the application is used for realizing the waste water intermittent discharge outlet flow triggering and monitoring method, and specific limitations of the waste water intermittent discharge outlet flow triggering and monitoring system can be referred to the limitations of the waste water intermittent discharge outlet flow triggering and monitoring method in the above, and details are not repeated here. All or part of the wastewater intermittent discharge outlet flow triggering monitoring system can be realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the device, and can also be stored in a memory in the device in a software form, so that the processor can call and execute operations corresponding to the modules.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several implementation modes of the present application, and the description thereof is specific and detailed, but not construed as limiting the scope of the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The method for triggering and monitoring the flow of the intermittent wastewater discharge port is applied to an intelligent monitor and comprises the following steps:
establishing a sampling relation with a target wastewater discharge port, and acquiring wastewater intermittently discharged from the target wastewater discharge port based on the sampling relation;
collecting the wastewater intermittently discharged from a target wastewater discharge port according to a preset time interval, and detecting the instantaneous flow of the wastewater intermittently discharged from the target wastewater discharge port in real time;
judging whether the current instantaneous flow exceeds a preset flow threshold value or not, and collecting a water sample when the current instantaneous flow exceeds the preset flow threshold value;
detecting the currently collected water sample through an online monitoring and analyzing instrument;
and the data control unit reports the detection result to the automatic pollution source monitoring and managing platform.
2. The method as claimed in claim 1, wherein the method is also applicable to a water quality acquisition unit, and the whole system operation, flow acquisition, sampling, sample supply and sample retention are completed through the water quality acquisition unit to trigger the instrument measurement process.
3. The method of claim 1, wherein a sampling relationship is established with the target waste drain, and after obtaining the intermittently drained waste water from the target waste drain based on the sampling relationship, the method further comprises:
collecting waste water intermittently discharged from a target waste water discharge port according to a preset time interval;
when the effective sampling times in the unit time period are more than or equal to the set sampling times, triggering an online monitoring and analyzing instrument to detect the currently collected water sample through a switching value signal, and reporting the detection result by a data control unit;
and when the detection result exceeds the standard, performing standard exceeding sample reservation on the water sample collected at present.
4. The method of claim 1, wherein video monitoring is provided for video real-time monitoring of the target wastewater discharge outlet and the management station house, and the management station house is provided with an entrance guard.
5. The method according to claim 1, wherein the detecting the currently collected water sample by the on-line monitoring and analyzing instrument comprises:
the contents of COD, ammonia nitrogen, total phosphorus, total nitrogen and the like in the currently collected water sample are analyzed through an online monitoring analyzer.
6. The method of claim 1, wherein said detecting in real time the instantaneous flow of intermittently discharged wastewater from a target wastewater discharge outlet comprises:
the instantaneous flow rate of wastewater discharged from the target wastewater discharge port is measured by a flow meter and transmitted by a digital signal.
7. The method of claim 1, further comprising:
and uploading the instantaneous flow, the accumulated flow and the corresponding detection result of the wastewater intermittently discharged from the target wastewater discharge port to an automatic pollution source monitoring and managing platform for analysis.
8. The method according to claim 3, wherein when the effective sampling times in the unit time period is less than the set sampling times, the on-line monitoring instrument measurement is not triggered in the current unit time period, and whether the effective sampling times is greater than the set sampling times is determined again in the next unit time period.
9. An intermittent wastewater discharge flow trigger monitoring system, the system comprising:
the sampling port is used for establishing a sampling relation with the target wastewater discharge port and acquiring the intermittently discharged wastewater of the target wastewater discharge port based on the sampling relation;
the flow unit is used for detecting the instantaneous flow of the wastewater intermittently discharged from the target wastewater discharge port in real time and accumulating the instantaneous flow according to time to obtain the accumulated flow;
the water sample collecting unit is used for collecting a water sample of the wastewater intermittently discharged from the target wastewater discharge port when the accumulated flow exceeds a preset flow threshold;
the analysis unit is used for detecting the currently collected water sample through an online monitoring and analyzing instrument;
and the data control unit is used for reporting the detection result to the automatic pollution source monitoring and managing platform.
10. The system of claim 9, further comprising:
the access control and video monitoring unit is used for setting video monitoring to carry out video real-time monitoring on the target wastewater discharge port and the management station house;
and the pollution source automatic monitoring management platform is used for acquiring a currently acquired water sample detection result of the target wastewater discharge port.
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