CN114660255A - Method for tracing and analyzing pollution source by using micro-station - Google Patents
Method for tracing and analyzing pollution source by using micro-station Download PDFInfo
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- CN114660255A CN114660255A CN202210352844.7A CN202210352844A CN114660255A CN 114660255 A CN114660255 A CN 114660255A CN 202210352844 A CN202210352844 A CN 202210352844A CN 114660255 A CN114660255 A CN 114660255A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 149
- 238000004458 analytical method Methods 0.000 claims abstract description 35
- 239000010865 sewage Substances 0.000 claims abstract description 28
- 238000005070 sampling Methods 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims description 32
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 25
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 25
- 229910052698 phosphorus Inorganic materials 0.000 claims description 25
- 239000011574 phosphorus Substances 0.000 claims description 25
- 239000002699 waste material Substances 0.000 claims description 15
- 238000004821 distillation Methods 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 11
- 238000011010 flushing procedure Methods 0.000 claims description 11
- 239000012153 distilled water Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 18
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 238000005259 measurement Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000013441 quality evaluation Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004092 self-diagnosis Methods 0.000 description 1
- 239000012086 standard solution 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
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1806—Water biological or chemical oxygen demand (BOD or COD)
-
- 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
- G01N33/1813—Water specific cations in water, e.g. heavy metals
-
- 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
- G01N33/182—Water specific anions in water
Abstract
A method for tracing and analyzing pollution sources by using a micro-station relates to the technical field of micro water quality monitoring stations, and comprises the following steps: s1, starting a micro station, starting a river section water sample pump when the micro station works normally, and taking a river section water sample; s2, analyzing water quality, and performing water quality analysis by using a water quality on-line monitor; s3, comparing the data analyzed by the S2 with national river water quality indexes; if the data compared by the S4 and the S3 exceeds the standard, performing standard exceeding alarm; s5, stopping the river section water sample pump after exceeding the standard and alarming, and starting the sampling pump at the sewage outlet of the sewage plant to sample; s6, sampling S5, and analyzing the water quality; and S6, analyzing and judging a pollution source according to the water quality data analyzed by the S6 and the river section water quality data. According to the invention, the river water section is sampled and detected on line, and if the detection is qualified, the sampling analysis of the sewage ports of each sewage plant is not needed, so that the working strength is greatly reduced, the working efficiency is improved, and the detection cost is saved.
Description
Technical Field
The invention relates to the technical field of micro water quality monitoring stations, in particular to a method for tracing and analyzing pollution sources by using a micro station.
Background
The miniature water quality monitoring station mainly aims at novel water quality on-line monitoring products which are produced according to the requirements of high density, low cost, high frequency and the like in application scenes such as environmental protection, water conservancy or water utilities and the like. The system has the advantages of small installation volume, no land acquisition, complete quality control function, reliable operation and the like, and can realize the functions of river length assessment, pollution tracing, water quality evaluation, water quality early warning and the like.
The existing pollution tracing method is generally a laboratory manual test, and has slow response, low efficiency and low accuracy.
Disclosure of Invention
Aiming at the defects, the invention aims to provide a method for analyzing the pollution source tracing of the micro-station, which has the advantages of quick response, full reaction, good stability of experimental data, strong applicability, high accuracy and high testing efficiency, and ensures the accuracy of the test.
In order to realize the purpose, the technical scheme of the invention is as follows:
a method for source tracing analysis of pollution sources by using a micro-station is characterized by comprising the following steps: s1, starting a micro station, starting a river section water sample pump when the micro station works normally, and taking a river section water sample; s2, analyzing water quality, and performing water quality analysis by using a water quality on-line monitor; s3, comparing the data analyzed by the S2 with national river water quality indexes; if the data compared by the S4 and the S3 exceeds the standard, performing standard exceeding alarm; s5, stopping the river section water sample pump after exceeding the standard and alarming, and starting the sampling pump at the sewage outlet of the sewage plant to sample; s6, sampling S5 to analyze water quality; and S6, analyzing and judging a pollution source according to the water quality data analyzed by the S6 and the river section water quality data.
Wherein, the water quality analysis in the S2 and the water quality analysis in the S6 both adopt the same water quality analyzer.
The water quality analyzer comprises an ammonia nitrogen analyzer, a total phosphorus analyzer and a COD analyzer, wherein the ammonia nitrogen analyzer, the total phosphorus analyzer and the COD analyzer are integrally installed in the box body.
Wherein, water quality analyzer still includes pressurization drainage system, pressurization drainage system includes: the liquid outlet of the pressure pump is connected with the water storage tank through one end of a tee pipeline, and the other end of the pressure pump is connected with the waste liquid barrel.
Wherein, a liquid level meter is arranged in the water storage tank.
Wherein, still be connected with rinse-system on the water quality analyzer, rinse-system includes the distillation bucket, the distillation bucket passes through the water pump and connects ammonia nitrogen analyzer total phosphorus analyzer COD analyzer's inlet.
Wherein, the work of water quality analyzer includes the following steps: s1, shunting the water sample on the river section into liquid inlets of an ammonia nitrogen analyzer, a total phosphorus analyzer and a COD analyzer for detection; s2, after the detection is finished, carrying out system analysis and comparison on the detection results by an ammonia nitrogen analyzer, a total phosphorus analyzer and a COD analyzer; s3, if the comparison result does not exceed the standard, discharging the river section water sample to a waste liquid barrel through a pressure pump, and if the comparison result exceeds the standard, discharging the river section water sample to a water storage tank through the pressure pump for sample storage; s4, stopping storing samples when the stored samples reach the preset depth of the water storage tank, stopping the river section water sample pump, and discharging all river section water samples in the system into the waste liquid barrel; s5, opening a water outlet of the distillation barrel, flushing the ammonia nitrogen analyzer, the total phosphorus analyzer and the COD analyzer by distilled water, and discharging the flushing water to the waste liquid barrel through a pressure pump after the flushing is finished; s6, closing the water outlet of the distillation barrel, starting a sampling pump at a sewage outlet of the sewage plant, and then sampling at the sewage outlet to enter liquid inlets of an ammonia nitrogen analyzer, a total phosphorus analyzer and a COD analyzer for detection; and S7, analyzing and judging the pollution source according to the water quality data analyzed by the S6 and the water quality data of the river section.
After the technical scheme is adopted, the invention has the beneficial effects that:
the invention discloses a method for analyzing the pollution source by applying a micro-station, which comprises the following steps: s1, starting a micro station, starting a river section water sample pump when the micro station works normally, and taking a river section water sample; s2, analyzing water quality, and performing water quality analysis by using a water quality on-line monitor; s3, comparing the data analyzed by the S2 with national river water quality indexes; if the data compared by the S4 and the S3 exceeds the standard, performing standard exceeding alarm; s5, stopping the river section water sample pump after exceeding the standard and starting a sampling pump at a sewage outlet of the sewage plant for sampling; s6, sampling S5 to analyze water quality; and S6, analyzing and judging a pollution source according to the water quality data analyzed by the S6 and the river section water quality data. According to the invention, the river water section is sampled and detected on line, and if the detection is qualified, the sampling analysis of the sewage ports of each sewage plant is not needed, so that the working strength is greatly reduced, the working efficiency is improved, and the detection cost is saved.
Install in the box through ammonia nitrogen analysis appearance, total phosphorus analysis appearance, COD analysis appearance are integrated, and river section water sample detects and adopts same water quality analysis appearance with sewage factory drain water sample detection moreover, integrates in the integration with water quality analysis appearance, and the equipment that can share has realized the sharing, under the prerequisite of guaranteeing equipment normal operating, has reduced area, has simplified process flow, has realized integrating of function, has reduced investment cost.
A pressurizing pump is arranged at the liquid outlet of the ammonia nitrogen analyzer, the total phosphorus analyzer and the COD analyzer, so that the problem of water return of a pipeline is solved.
In conclusion, the method for analyzing the pollution source by using the micro-station solves the technical problems of difficult source tracing and high detection cost of the micro-station in the prior art, and the method provided by the invention has the advantages that the cross section of river water is sampled and detected firstly, and if the detection is qualified, the sewage ports of each sewage plant do not need to be sampled and analyzed, so that the working intensity is greatly reduced, the working efficiency is improved, and the detection cost is saved.
Drawings
FIG. 1 is a schematic flow chart of a method for analyzing the source of pollution by a micro-station according to the present invention;
FIG. 2 is a schematic view of a water quality analyzer;
in the figure: 1. ammonia nitrogen analysis appearance, 2, total nitrogen analysis appearance, 3, total phosphorus analysis appearance, 4, COD analysis appearance, 5, distillation bucket, 61, storage water tank, 611, level gauge, 62, waste liquid bucket, 71, third solenoid valve, 72, fourth solenoid valve, 8, force (forcing) pump, 81, first solenoid valve, 82, second solenoid valve, 9, box.
Detailed Description
The invention is further illustrated below with reference to the figures and examples.
All the orientations referred to in the present specification are based on the orientations shown in the drawings, and only represent relative positional relationships, not absolute positional relationships.
As shown in fig. 1, a method for analyzing the source of pollution by using a micro-station includes the following steps: s1, starting a micro station, starting a river section water sample pump when the micro station works normally, and taking a river section water sample; s2, analyzing water quality, and performing water quality analysis by using a water quality on-line monitor; s3, data comparison, wherein the data analyzed in the S2 are compared with national river water quality indexes; if the data compared by the S4 and the S3 exceeds the standard, performing standard exceeding alarm; s5, stopping the river section water sample pump after exceeding the standard and alarming, and starting the sampling pump at the sewage outlet of the sewage plant to sample; s6, sampling S5, and analyzing the water quality; and S7, analyzing and judging a pollution source according to the water quality data analyzed by the S5 and the river section water quality data.
Wherein, sample every drain in S5, every drain department all is provided with solitary sampling pump, and the sample that obtains every drain carries out water quality analysis in getting into S6 according to certain order, and after the sample of all drains was all analyzed, to the analysis result and the river section water sample data in S2 contrast, when contrast composition height unanimity, can judge this drain and for the pollution source.
The river section water sample pump and the sampling pump adopt submersible pumps or self-sucking pumps.
Further, the same water quality analyzer was used for both the water quality analysis in S2 and the water quality analysis in S6. The water quality analyzer comprises an ammonia nitrogen analyzer 1, a total nitrogen analyzer 2, a total phosphorus analyzer 3 and a COD analyzer 4, wherein the ammonia nitrogen analyzer 1, the total nitrogen analyzer 2, the total phosphorus analyzer 3 and the COD analyzer 4 are integrally installed in a box body 9.
Further, the water quality analyzer still includes pressurization drainage system, and pressurization drainage system includes: booster pump 8, storage water tank 61 and waste liquid bucket 62, the inlet of booster pump 8 passes through the leakage fluid dram of tube coupling ammonia nitrogen analysis appearance 1, total nitrogen analysis appearance 2, total phosphorus analysis appearance 3, COD analysis appearance 4, the liquid outlet of booster pump 8 passes through tee bend pipeline one end and connects storage water tank 61, waste liquid bucket 62 is connected to the other end, be provided with first solenoid valve 81 on the pipeline of corresponding storage water tank 61, be provided with second solenoid valve 82 on the pipeline of corresponding waste liquid bucket 62. Wherein, a liquid level meter 611 is arranged in the water storage tank 61 and can sense the low, medium and high liquid levels of the water storage tank 61. The water storage tank 61 has a high-sealing peculiar smell prevention function and an algae removal and pipeline self-cleaning function.
Further, still be connected with rinse-system on the water quality analyzer, rinse-system includes distillation barrel 5, and the liquid outlet of distillation barrel 5 passes through the inlet that shunt tubes connected ammonia nitrogen analyzer 1, total nitrogen analyzer 2, total phosphorus analyzer 3, COD analyzer 4, is provided with third solenoid valve 71 on the liquid outlet of distillation barrel 5. The shunt tubes are also connected with a river section water sample pump and a sampling pump through pipelines, and the corresponding pipelines are provided with fourth electromagnetic valves 72.
As shown in fig. 2, the operation of the water quality analyzer includes the following steps:
and S1, starting the river section water sample pump, opening the fourth electromagnetic valve 72, closing the third electromagnetic valve 71, and shunting the river section water sample through the shunt pipe to enter the liquid inlets of the ammonia nitrogen analyzer 1, the total nitrogen analyzer 2, the total phosphorus analyzer 3 and the COD analyzer 4 for detection.
S2, after the detection is finished, the ammonia nitrogen analyzer 1, the total nitrogen analyzer 2, the total phosphorus analyzer 3 and the COD analyzer 4 transmit the detection results to a control system for system analysis and compare the detection results with the national river water quality indexes;
s3, if the comparison result does not exceed the standard, discharging the river section water sample to the waste liquid barrel 62 through a pressure pump, and carrying out automatic continuous intermittent sampling, detection and comparison; if the comparison result exceeds the standard, the river section water sample is discharged into a water storage tank 61 through a pressure pump for storage;
s4, stopping storing samples when the stored samples reach the preset depth of the water storage tank 61, stopping the river section water sample pump, closing the fourth electromagnetic valve 72, and discharging all river section water samples in the system into the waste liquid barrel 62;
s5, opening a water outlet of the distillation barrel 5, opening a third electromagnetic valve 71, flushing the ammonia nitrogen analyzer 1, the total nitrogen analyzer 2, the total phosphorus analyzer 3 and the COD analyzer 4 by distilled water, and discharging the flushing water to a waste liquid barrel through a pressure pump 8 after flushing is finished;
s6, closing the water outlet of the distillation barrel 5, starting a sampling pump at a sewage outlet of a sewage plant, and then sampling at the sewage outlet to enter liquid inlets of an ammonia nitrogen analyzer 1, a total nitrogen analyzer 2, a total phosphorus analyzer 3 and a COD analyzer 4 for detection;
and S7, analyzing the detected water quality data and river section water quality data to judge a pollution source.
By the analysis method, all on-line monitoring tasks of the automatic water quality monitoring station can be completed only by the space of one instrument, and the instrument can measure multiple parameters of water quality simultaneously, so that the use cost is saved. The flexible correction of the standard solution ensures higher accuracy, and the flexible setting of the reaction time ensures that any water sample can be accurately monitored. The control system can realize the diversification of on-line monitoring modes and can realize the measurement modes such as manual measurement at any time, automatic timing measurement, automatic periodic measurement and the like. The advanced self-diagnosis and prompt system has prompt signal when the sample is interrupted suddenly and is simple to operate and maintain.
According to the method for analyzing the pollution source by utilizing the micro-station, the river water section is sampled and detected, and if the detection is qualified, the sampling analysis of the sewage ports of each sewage plant is not needed, so that the working strength is greatly reduced, the working efficiency is improved, and the detection cost is saved.
The present invention is not limited to the above-described embodiments, and various modifications made by those skilled in the art without inventive skill from the above-described conception fall within the scope of the present invention.
Claims (7)
1. A method for source tracing analysis of pollution sources by using a micro-station is characterized by comprising the following steps: s1, starting a micro station, starting a river section water sample pump when the micro station works normally, and taking a river section water sample; s2, analyzing water quality, and analyzing the water quality through a water quality analyzer; s3, comparing the data analyzed by the S2 with national river water quality indexes; if the data compared by the S4 and the S3 exceeds the standard, performing standard exceeding alarm; s5, stopping the river section water sample pump after exceeding the standard and starting a sampling pump at a sewage outlet of the sewage plant for sampling; s6, sampling S5 to analyze water quality; and S7, analyzing and judging a pollution source according to the water quality data analyzed by the S6 and the water quality data of the cross section of the S2 river.
2. The method of claim 1, wherein the water quality analysis in S2 and the water quality analysis in S6 both use the same water quality analyzer.
3. The method for analyzing the pollution source traceability of a micro-station according to claim 2, wherein the water quality analyzer comprises an ammonia nitrogen analyzer, a total phosphorus analyzer and a COD analyzer, and the ammonia nitrogen analyzer, the total phosphorus analyzer and the COD analyzer are integrally installed in a box body.
4. The method for analyzing the source of pollution by the micro-station according to claim 3, wherein the water quality analyzer further comprises a pressurized drainage system, and the pressurized drainage system comprises: the liquid outlet of the pressure pump is connected with the water storage tank through one end of a tee pipeline, and the other end of the pressure pump is connected with the waste liquid barrel.
5. The method for analyzing the source of pollution by the micro-station according to claim 4, wherein a liquid level meter is arranged in the water storage tank.
6. The method for analyzing by tracing the source of pollution at a micro-station as claimed in claim 5, wherein a flushing system is further connected to said water quality analyzer, said flushing system comprising a distillation barrel, said distillation barrel being connected to liquid inlets of said ammonia nitrogen analyzer, said total phosphorus analyzer, and said COD analyzer.
7. The method for source tracing analysis of pollution sources at a micro-station according to claim 6, wherein the operation of the water quality analyzer comprises the following steps: s1, shunting the water sample on the river section to enter liquid inlets of an ammonia nitrogen analyzer, a total phosphorus analyzer and a COD analyzer for detection; s2, after the detection is finished, carrying out system analysis and comparison on the detection results by an ammonia nitrogen analyzer, a total phosphorus analyzer and a COD analyzer; s3, if the comparison result does not exceed the standard, discharging the river section water sample to a waste liquid barrel through a pressure pump, and if the comparison result exceeds the standard, discharging the river section water sample to a water storage tank through the pressure pump for sample storage; s4, stopping storing samples when the stored samples reach the preset depth of the water storage tank, stopping the river section water sample pump, and discharging all river section water samples in the system into the waste liquid barrel; s5, opening a water outlet of the distillation barrel, flushing the ammonia nitrogen analyzer, the total phosphorus analyzer and the COD analyzer by distilled water, and discharging the flushing water to the waste liquid barrel through a pressure pump after the flushing is finished; s6, closing the water outlet of the distillation barrel, starting a sampling pump at a sewage outlet of the sewage plant, and then sampling at the sewage outlet to enter liquid inlets of an ammonia nitrogen analyzer, a total phosphorus analyzer and a COD analyzer for detection; and S7, analyzing and judging the pollution source according to the water quality data analyzed by the S6 and the river section water quality data.
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