CN101661027A - Process for online monitoring and sampling of waste water - Google Patents

Process for online monitoring and sampling of waste water Download PDF

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Publication number
CN101661027A
CN101661027A CN200810042084A CN200810042084A CN101661027A CN 101661027 A CN101661027 A CN 101661027A CN 200810042084 A CN200810042084 A CN 200810042084A CN 200810042084 A CN200810042084 A CN 200810042084A CN 101661027 A CN101661027 A CN 101661027A
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CN
China
Prior art keywords
sampling
analyser
sample
monitoring
waste water
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Pending
Application number
CN200810042084A
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Chinese (zh)
Inventor
高群力
党睿
朱余岷
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SHANGHAI LEICI ENVIRONMENTAL ENGINEERING Co Ltd
Original Assignee
SHANGHAI LEICI ENVIRONMENTAL ENGINEERING Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by SHANGHAI LEICI ENVIRONMENTAL ENGINEERING Co Ltd filed Critical SHANGHAI LEICI ENVIRONMENTAL ENGINEERING Co Ltd
Priority to CN200810042084A priority Critical patent/CN101661027A/en
Publication of CN101661027A publication Critical patent/CN101661027A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a process for the online monitoring and the sampling of waste water, which comprises the online monitoring without needing pretreatment of a water sample, the online monitoringwith necessary pretreatment of the water sample, and back washing before sampling. The process for the online monitoring and the sampling of the waste water is simple to operate, not only can accurately collect a representative water sample in the monitored waste water in real time and embody the authenticity and the representativeness of over-standard waste water, but also sets the back washingbefore sampling, thereby avoiding the probability of secondary pollution and the caused problems of pipeline blockages, and ensuring the real-time property and the accuracy of online monitoring data.

Description

A kind of process for online monitoring and sampling of waste water
Technical field
The present invention relates to a kind of process for online monitoring and sampling of waste water, belong to the effluent monitoring technical field.
Background technology
Enforcement along with national energy-saving and emission-reduction policy, on-line monitoring to industrial waste water water quality seems important day by day, and to key one step that industrial waste water water quality is carried out on-line monitoring be exactly to want to collect representational waste water water sample accurately, in real time, and guarantee that water sample physicochemical property in the pipeline of transmission do not change.
It is too complicated that at present existing sampling flow processs have, be not easy to operation, what have can't gather water sample in real time, the mistiming of sampling is caused the water quality situation that can't truly reflect monitored waste water, what also have can't clean pipeline, causes online monitoring data not have real-time and accuracy.
Summary of the invention
The technical problem to be solved in the present invention provides and a kind ofly can accurately collect the process for online monitoring and sampling of waste water that representative water sample in the monitored waste water and online monitoring data have real-time and accuracy in real time, to overcome above-mentioned existing in prior technology defective.
For achieving the above object, the technical solution used in the present invention is as follows:
Process for online monitoring and sampling of waste water of the present invention, comprise and do not need water sample is carried out pretreated on-line monitoring and need carry out pretreated on-line monitoring to water sample, it is characterized in that: also comprise the back flush before the sampling, promptly on sample lines and connect tap water counter-flushing pipeline and compressed air rinsing pipeline.
Described the needs carried out pretreated on-line monitoring to water sample, is that water sample is at first pumped among the sample reserving groove a by sampling water pump a, then automatically assay determination instrument a by carrying out synchronous The real time measure with monitoring probe that the monitoring interface of sample reserving groove a is contacted mutually; The number of the monitoring probe that monitoring interface that sample reserving groove a is upward set and automatic assay determination instrument a are comprised is complementary; Automatically assay determination instrument a is meant that pH (potential of hydrogen) instrument, conventional Wucan count one or more in analyser, ammonia nitrogen and total blood urea/nitrogen analyzer, chlorine ammonia analyser, ammonium ion analyser, permanganate analyser, total phosphorus analyser, fluoride analyser, chloride analyzer, nitrate analyser, UV organism analyser, copper analyser, basicity analyser and the turbidity analyser.
Describedly need carry out pretreated on-line monitoring to water sample, be that water sample is at first pumped into by sampling water pump b and carries out pre-service in the water sample pretreatment unit, pretreated water sample one road flows among the automatic assay determination instrument b carries out synchronous The real time measure, and another road flows into simultaneously among the sample reserving groove b and keeps sample; The number of the injection port that set monitoring interface and assay determination instrument b are automatically comprised on the water sample pretreatment unit is complementary; Automatically assay determination instrument b is meant one or both in COD analyser and the TOC analyser.
Described sample lines is made up of the UPVC plastic tube.
Compare with existing similar technology, process for online monitoring and sampling of waste water of the present invention is simple to operate, can not only accurately collect representative water sample and instant authenticity and the representativeness that embodies overstandard waste water in the monitored waste water in real time, and set up back flush before the sampling, avoid the possibility of secondary pollution and the line clogging problem that causes, guaranteed the real-time and the accuracy of online monitoring data.
Description of drawings
Fig. 1 is a process for online monitoring and sampling of waste water synoptic diagram of the present invention.
Among the figure: 1-1, sampling water pump a; 1-2, sampling water pump b; 2-1, sample reserving groove a; 2-2, sample reserving groove b; 3-1, automatic assay determination instrument a; 3-2, automatic assay determination instrument b; 4, water sample pretreatment unit; 5, sample lines; 6, tap water counter-flushing pipeline; 7, compressed air rinsing pipeline; 8, computer controlling center.
Embodiment
As shown in Figure 1: process for online monitoring and sampling of waste water of the present invention, comprise and do not need water sample is carried out pretreated on-line monitoring, need carry out pretreated on-line monitoring and the preceding back flush of sampling to water sample, described the needs carried out pretreated on-line monitoring to water sample, be that water sample is at first pumped among the 2-1 sample reserving groove a by 1-1 sampling water pump a, the automatic assay determination instrument of 3-1 a is by carrying out synchronous The real time measure with monitoring probe that the monitoring interface of 2-1 sample reserving groove a is contacted mutually then; The number of the monitoring probe that monitoring interface that 2-1 sample reserving groove a is upward set and the automatic assay determination instrument of 3-1 a are comprised is complementary; The automatic assay determination instrument of 3-1 a is meant that pH (potential of hydrogen) instrument, conventional Wucan count one or more in analyser, ammonia nitrogen and total blood urea/nitrogen analyzer, chlorine ammonia analyser, ammonium ion analyser, permanganate analyser, total phosphorus analyser, fluoride analyser, chloride analyzer, nitrate analyser, UV organism analyser, copper analyser, basicity analyser and the turbidity analyser.
Describedly need carry out pretreated on-line monitoring to water sample, be that water sample is at first pumped into by 1-2 sampling water pump b and carries out pre-service in the water sample pretreatment unit 4, pretreated water sample one road flows among the automatic assay determination instrument of the 3-2 b carries out synchronous The real time measure, and another road flows into simultaneously among the 2-2 sample reserving groove b and keeps sample; The number of the injection port that set monitoring interface and the automatic assay determination instrument of 3-2 b are comprised on the water sample pretreatment unit 4 is complementary; The automatic assay determination instrument of 3-2 b is meant one or both in COD analyser and the TOC analyser.
Back flush before the described sampling is meant that computer controlling center 8 at first starts tap water counter-flushing pipeline 6 and the compressed air rinsing pipeline 7 that is attempted by on the sample pipeline 5 when sampling, the whole pipeline back flush before sampling.
For preventing the influence of pipeline to measuring itself, the sample lines 5 among the present invention adopts the UPVC plastic tube to form.

Claims (8)

1. process for online monitoring and sampling of waste water, comprise and do not need water sample is carried out pretreated on-line monitoring and need carry out pretreated on-line monitoring to water sample, it is characterized in that: also comprise the back flush before the sampling, promptly on sample lines and connect tap water counter-flushing pipeline and compressed air rinsing pipeline.
2. process for online monitoring and sampling of waste water according to claim 1, it is characterized in that: described the needs carried out pretreated on-line monitoring to water sample, be that water sample is at first pumped among the sample reserving groove a by sampling water pump a, then automatically assay determination instrument a by carrying out synchronous The real time measure with monitoring probe that the monitoring interface of sample reserving groove a is contacted mutually.
3. process for online monitoring and sampling of waste water according to claim 2 is characterized in that: the number of the monitoring probe that monitoring interface that described sample reserving groove a is upward set and automatic assay determination instrument a are comprised is complementary.
4. process for online monitoring and sampling of waste water according to claim 3 is characterized in that: described automatic assay determination instrument a is meant that pH instrument, conventional Wucan count one or more in analyser, ammonia nitrogen and total blood urea/nitrogen analyzer, chlorine ammonia analyser, ammonium ion analyser, permanganate analyser, total phosphorus analyser, fluoride analyser, chloride analyzer, nitrate analyser, UV organism analyser, copper analyser, basicity analyser and the turbidity analyser.
5. process for online monitoring and sampling of waste water according to claim 1, it is characterized in that: describedly need carry out pretreated on-line monitoring water sample, be that water sample is at first pumped into by sampling water pump b and carries out pre-service in the water sample pretreatment unit, pretreated water sample one road flows among the automatic assay determination instrument b carries out synchronous The real time measure, and another road flows into simultaneously among the sample reserving groove b and keeps sample.
6. process for online monitoring and sampling of waste water according to claim 5 is characterized in that: the number of the injection port that set monitoring interface and assay determination instrument b are automatically comprised on the described water sample pretreatment unit is complementary.
7. process for online monitoring and sampling of waste water according to claim 6 is characterized in that: described automatic assay determination instrument b is meant one or both in COD analyser and the TOC analyser.
8. process for online monitoring and sampling of waste water according to claim 1 is characterized in that: described sample lines is made up of the UPVC plastic tube.
CN200810042084A 2008-08-26 2008-08-26 Process for online monitoring and sampling of waste water Pending CN101661027A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200810042084A CN101661027A (en) 2008-08-26 2008-08-26 Process for online monitoring and sampling of waste water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200810042084A CN101661027A (en) 2008-08-26 2008-08-26 Process for online monitoring and sampling of waste water

Publications (1)

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CN101661027A true CN101661027A (en) 2010-03-03

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Family Applications (1)

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CN200810042084A Pending CN101661027A (en) 2008-08-26 2008-08-26 Process for online monitoring and sampling of waste water

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102253232A (en) * 2010-05-21 2011-11-23 北京吉天仪器有限公司 Automatic analyzer and analysis method for water soluble total phosphorus
CN102435465A (en) * 2011-09-21 2012-05-02 东南大学 Memory wastewater sample reserving device based on RFID (Radio Frequency Identification Device) and application method thereof
CN107445318A (en) * 2017-08-09 2017-12-08 沈阳振兴环保有限公司 A kind of processing method for preventing online COD measuring instruments sample introduction blockage
CN108051258A (en) * 2018-02-07 2018-05-18 广州发展集团股份有限公司 Sampling of wastewater system and its control method
CN115436350A (en) * 2021-10-15 2022-12-06 成都市华测检测技术有限公司 Method for improving reliability of on-line continuous water quality detection

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102253232A (en) * 2010-05-21 2011-11-23 北京吉天仪器有限公司 Automatic analyzer and analysis method for water soluble total phosphorus
CN102253232B (en) * 2010-05-21 2013-06-05 北京吉天仪器有限公司 Automatic analyzer and analysis method for water soluble total phosphorus
CN102435465A (en) * 2011-09-21 2012-05-02 东南大学 Memory wastewater sample reserving device based on RFID (Radio Frequency Identification Device) and application method thereof
CN107445318A (en) * 2017-08-09 2017-12-08 沈阳振兴环保有限公司 A kind of processing method for preventing online COD measuring instruments sample introduction blockage
CN108051258A (en) * 2018-02-07 2018-05-18 广州发展集团股份有限公司 Sampling of wastewater system and its control method
CN115436350A (en) * 2021-10-15 2022-12-06 成都市华测检测技术有限公司 Method for improving reliability of on-line continuous water quality detection
CN115436350B (en) * 2021-10-15 2024-01-30 成都市华测检测技术有限公司 Method for improving reliability of online continuous water quality detection

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Open date: 20100303