CN106885914A - Multi-pollutant is into different water automatic detection analysis instrument and detection method - Google Patents
Multi-pollutant is into different water automatic detection analysis instrument and detection method Download PDFInfo
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- CN106885914A CN106885914A CN201710125674.8A CN201710125674A CN106885914A CN 106885914 A CN106885914 A CN 106885914A CN 201710125674 A CN201710125674 A CN 201710125674A CN 106885914 A CN106885914 A CN 106885914A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
- G01N35/0092—Scheduling
Abstract
A kind of multi-pollutant into different water automatic detection analysis instrument and detection method, including：Shuttle, peristaltic pump, multiple-way valve, reaction vessel, reagent container, detection means and controller；Shuttle, reagent container is connected with the entrance pipe of multiple-way valve respectively, and reaction vessel is connected with the export pipeline of multiple-way valve；Peristaltic pump, reaction vessel is pumped into by the reagent in the water sample and reagent container in shuttle；Detection means, the content for detecting composition to be detected in sample；Volume of water sample in the sample less than it is all detection compositions needed for volume when, controller determines the interrelated detection composition in detection composition, the testing result of the female collection in the detection composition that is mutually related, it is determined whether detected after being diluted to the detection water sample for subset.
Description
Technical field
The present invention relates to automatic analysis technology, more particularly, to a kind of multicomponent water quality automatic analytical instrument.
Background technology
Environmental problem is the problem of current people's extensive concern, it has also become the developing significant problem of China,
The development of World Economics brings the improvement for being not only living condition of the mankind, the also pollution of environment and the destruction of environmental resource.
Therefore, analysis promptly and accurately and monitoring are carried out to environmental pollutants, there is important theory significance to environmental management and planning
And realistic meaning.
With the development of economic society, the continuous expansion of city size, the lasting increase of water consumption enters river,lake and reservior
Useless, sewage is continuously increased.The quality of water had not only influenceed industrial and agricultural production but also had influenceed the daily life of the people, for many years China's water resource
Quality constantly declines, and water environment is continuous worsening, because water shortage and accident constantly occur caused by pollution, not only makes plant downtime,
The agriculture underproduction is even had no harvest, and ecological environment is received greatly destruction, the serious sustainable development for threatening society and danger
The existence of victimization class, therefore quality problem receives more and more attention.
Realize disposal of pollutants overall control and realize various environmental protective measures, various pollutant indexs are carried out accurately
Analysis detection be very important means.Polluter in water body removes inorganic chemical beyond the region of objective existence, also contains substantial amounts of organic matter
Matter, they produce influence with toxicity and in the form of reducing Dissolved Oxygen in Water on the ecosystem.
Pollutant includes organic pollution materials and the class of inorganic pollution material two in water body.Wherein, organic pollution can be divided into
Biodegradable organic pollution and it is difficult to biodegradable organic pollution；Inorganic pollution include heavy metal, inorganic salts,
Acid, alkali etc..The surface water quality standard promulgated according to China year, it is necessary to monitor composition multinomial altogether, including：COD
(C0D), five-day BOD (BOD5), heavy metal（Copper, mercury, arsenic, chromium, lead, zinc, antimony, nickel etc.）, total nitrogen, the composition such as total phosphorus.
Current water quality monitoring method includes two kinds：The first is field sampling, on-line monitoring；Second is manual sampling,
By analytical instrument off-line analysis.Wherein, on-line checking can in real time, uninterruptedly obtain Water quality data, but to scene
Instrument and equipment requirement is high, and cost of investment is high, and measurement accuracy is relatively low, while enter being capable of detection part composition, it is impossible to examine
Survey overall composition.Off-line analysis has the characteristics of certainty of measurement is high, and testing result is comprehensive, but it is non real-time, it is necessary to existing
Test in laboratory is taken back after sampling, may be changed in way is transported or the factor such as be leaked, cause to reach experiment
The measure of not all enough the detection compositions of water sample behind room.
In order to solve the above-mentioned technical problem, earlier application proposes a kind of multicomponent water quality automatic analytical instrument, by control
Device processed according to the volume of water sample in shuttle, so that it is determined that the species of the reagent being sent to by multiple-way valve in reaction vessel with
And order, wherein, when water sample is not enough for the detection composition that is mutually related, the inspection of subset is determined by the testing result of female collection
Survey content such that it is able to reduce the water sample that detection is used.
The content of the invention
The present invention proposes a kind of water quality automatic analytical instrument of improved composition, can be in the detection composition that there is association
When, further reduce the use of detection water sample.
As one aspect of the present invention, there is provided a kind of water quality automatic detection analysis instrument, including：Shuttle, peristaltic pump,
Multiple-way valve, reaction vessel, reagent container, detection means and controller；The shuttle, reagent container respectively with multiple-way valve
Entrance pipe connection, the reaction vessel connects with the export pipeline of multiple-way valve；Valve of the peristaltic pump according to multiple-way valve
Opening and closing, reaction vessel is pumped into by the reagent in the water sample and reagent container in shuttle；The detection means is arranged at
In reaction vessel, the content for detecting composition to be detected in sample；Also include the dilution bottle connected with multiple-way valve entrance；
When volume of water sample in sample is less than volume needed for all detection compositions, the controller determines the cross-correlation in detection composition
Composition is surveyed in joint inspection, the testing result of the female collection in the detection composition that is mutually related, it is determined whether carried out for subset
Detected after dilution.
Preferably, if the testing result of female collection is more than threshold value, antithetical phrase concentration in the detection composition that is mutually related
At least one detected, in subset at least one do not detected；If female in the detection composition that is mutually related
The testing result of collection is less than threshold value, then all subsets are not detected.
Preferably, the dilution is pure water.
Preferably, if the testing result of female collection is less than the threshold value of all subsets in the detection composition that is mutually related,
Then all subsets are not detected.
Preferably, if the testing result of female collection is merely greater than one of subset in the detection composition that is mutually related
Threshold value, then only detect to the subset；When being detected to the subset, the water sample for being detected for the subset carries out dilute
The detection of the subset is carried out after releasing.
Preferably, the extension rate is ρ1/ρ2, wherein ρ1It is the testing result of mother collection, ρ2It is the threshold value of the subset.
Preferably, if the testing result of female collection is merely greater than plurality of subset in the detection composition that is mutually related
Threshold value, then only to being detected successively in the plurality of subset；When being detected to the plurality of subset, for in the plurality of subset
The water sample of each subset detection carries out the detection of the subset after being diluted.
Preferably, the extension rate is ρ1/ρi, wherein ρ1It is the testing result of mother collection, ρiIt is i-th threshold of subset
Value.
Preferably, also including storage part, the storage part stores different minimum water samples needed for detecting compositions.
Preferably, the storage part by storage table store it is different detection compositions between interfere with each other information.
Preferably, the storage part also stores the related information between different detection compositions, and the related information represents inspection
The set relations surveyed between composition.
Preferably, after the controller determines the detection composition to be carried out, the data judgement sample according to storage part holds
Whether the volume of water sample is more than required volume of water sample in device；If less than required volume of water sample, the controller is according to depositing
The data in storage portion are matched to all detection compositions, non-interfering detection composition are judged whether, if there is mutually not
The detection composition of interference, the controller will be when it is determined that detect composition, by non-interfering detection component order detection；Its
In, after the one kind in detecting the non-interfering detection composition, will not detect that the waste liquid for finishing is discharged to waste liquid pool, by pump
Give the alternative detection reagent in the non-interfering detection composition in reaction vessel, continue for the non-interfering inspection
The another kind surveyed in composition is detected.
Brief description of the drawings
Fig. 1 is the structured flowchart of the water quality automatic detection analysis instrument of the embodiment of the present invention.
Fig. 2 is the detecting step flow chart of the water quality automatic detection analysis instrument of the embodiment of the present invention.
Specific embodiment
In order to illustrate more clearly of technical scheme, the present invention will be simply situated between using embodiment below
Continue, it should be apparent that, in describing below is only one embodiment of the present of invention, is come for those of ordinary skill in the art
Say, without having to pay creative labor, other technical schemes can also be obtained according to these embodiments, fall within
Disclosure of the invention scope.
The water quality automatic detection analysis instrument of the embodiment of the present invention, for entering for the multiple pollutant content in water sample offline
Row analysis, referring to Fig. 1, including shuttle 10, peristaltic pump 20, multiple-way valve 30, reaction vessel 40, multigroup reagent container 50, inspection
Survey device 60, controller 70, storage part 80 and dilution bottle 90.
Shuttle 10 is used to receive the water sample that spot sampling is transported to testing laboratory, and it sets volume sensing element,
The volume of water sample in shuttle 10 can be detected.Multigroup reagent container 50, its detection for corresponding respectively to different detection compositions
Reagent, such as, for the detection of copper ion, its reagent container group can include buffer, sensitizer and developer, and developer can
To use 1- (2- pyridylazos)-beta naphthal (PAN) solution, sensitizer to use brocide（CPB）Solution,
Buffer reagent can use NaAc_HAc buffer solution, be measured by AAS.
Multiple-way valve 30 is controlled by controller 70, is used for the sample introduction of water sample and reagent by the selection of different passages and is gone out
Sample.The access road of multiple-way valve 30 respectively with shuttle 10, reagent container 50 connects, export pipeline and the reaction of multiple-way valve 30
Container 40 is connected.Peristaltic pump 20 according to the valve opening and closing of multiple-way valve, by the examination in the water sample and reagent container in shuttle
Agent is pumped into reaction vessel 40.Peristaltic pump 20 includes stepper motor driven roller, and roller is arranged on the outside of pipeline, stepping electricity
Machine driving rolls rotates press pump and takes reagent or sample.
Reaction vessel 40 receives water sample and reagent, and composition is detected in determining water sample by detection means in reaction vessel 60
Content.Detection means 60 can include various detectors, for example, can include spectrophotometer, in determining water sample by colorimetric
The content of heavy metal ion, can also include such as near infrared spectrometer, determine that the chemistry in water sample is needed by near infrared spectrum
Oxygen amount（COD）.
Storage part 80 store different detection compositions needed for minimum water samples, the value can by the precision of testing equipment and
Parameter request determines that for example the minimum water sample for spectrophotometry copper ion can be defined as 20ml.Storage part
Also interfere with each other information between different detection compositions by storing in 80, such as, for the COD value in water sample, it is practical near red
External spectrum is measured, it is not necessary to add reagent, therefore, the detection of COD will not be interfered for the spectrophotomelric assay of heavy ion,
COD detections are defined as the not Interference Detection of detection of heavy metal ion；For example, nitrate anion and the detection of copper ion, do not interfere with each other.
Dilution is accommodated in dilution bottle 90, it is connected with an entrance of multiple-way valve 30.Dilution bottle 90 can be
One or more, the dilution in dilution bottle 90 can be pure water or buffer.Controller 70 is according to shuttle
The testing result of the volume of water sample and detection means 60 in 10, it is determined whether will be used to be diluted into leading to more in dilution bottle 90
The water sample of valve 30.
Water quality automatic detection analysis instrument also includes input unit, and user can be input into the inspection for needing detection by input unit
Survey composition.After controller 70 receives the detection composition to be carried out, the required water sample of all detection compositions is calculated；According to storage
Whether the volume of water sample is more than required volume of water sample in the data judgement sample container 10 in portion 80；If greater than required water sample
Volume, controller 70 is detected according to the detection component order of user input；If less than required volume of water sample, controller
70 match according to the data of storage part 80 to all detection compositions, judge whether non-interfering detection composition, such as
There is non-interfering detection composition in fruit, controller by 70 it is determined that during detection composition, the non-interfering detection composition is suitable
Sequence is detected；Wherein, after the one kind in detecting the non-interfering detection composition, will not detect that the waste liquid for finishing is discharged to waste liquid
Pond, by pumping the alternative detection reagent in the non-interfering detection composition in reaction vessel 10, continues for this
Another kind in non-interfering detection composition is detected.For example, there is COD and content of copper ion in composition is detected
Be transported to water sample in reaction vessel 40 by peristaltic pump 20 first by detection, controller 70, and water sample is determined by near infrared spectrum
COD value；Then, will not detect that the water sample for finishing is discharged to waste liquid pool, controller 70 is detected copper ion by peristaltic pump 20
Reagent is pumped into reaction vessel 40, and Determined Copper in Aqueous Solution content is determined by spectrophotometer.
Preferably, water quality automatic detection analysis instrument of the invention also includes flowmeter, and it measures the examination up to reaction vessel
The volume of agent, detect it is described it is non-interfering detection composition in it is another when, do not interfere with each other according to having measured
Detection composition detection when the reagent volume added, for the alternative detection knot in the non-interfering detection composition
Fruit is modified.
Storage part 80 also stores the related information between different detection compositions.The related information is represented between detection composition
Set relations.For example, free set relations between antimony content, trivalent antimony content and 5 valency antimony contents, wherein free antimony content
For mother collects, trivalent antimony content and 5 valency antimony contents are subset, and trivalent antimony content and 5 valency antimony contents are the complete or collected works of free antimony content.
After the determination of controller 70 interferes with each other the detection of composition, the volume of water sample is still less than required water in shuttle
Sample volume；Controller 70 determines the interrelated detection composition in detection composition according to the data of storage part 80, according to described mutual
The testing result of the female collection in the detection composition of association, it is determined whether detected for subset.If specifically, described mutual
The testing result of female collection is more than threshold value in the detection composition of association, then at least one that antithetical phrase is concentrated is detected, in subset
At least one is not detected；If the testing result of female collection is less than threshold value in the detection composition that is mutually related, to institute
There is subset not detected.Wherein, when being detected to the subset, the water sample for being detected for the subset is diluted
The detection of the subset is carried out afterwards.Preferably, the extension rate is ρ1/ρ2, wherein ρ1It is the testing result of mother collection, ρ2For this
The threshold value of subset.
The detection composition of such as input includes free antimony content, trivalent antimony content and 5 valency antimony contents, and controller 70 is first
First control water quality automatic detection analysis instrument detects for free antimony content, if its testing result less than trivalent chromium content with
And the 5 minimum safe threshold value in valency antimony content, then do not measured for trivalent chromium content and 5 valency antimony contents, in display result
When only provide upper limit of detection less than free antimony detection level；If its testing result is more than trivalent chromium content and 5 valency antimony
The threshold value of one in content, then measure for trivalent chromium content or 5 valency antimony contents, it is determined that the content of one of them, leads to
Cross set relations and determine another content.When being measured for trivalent chromium content or 5 valency antimony contents again, water is detected to it
Sample detected after being diluted, wherein, extension rate is ρ1/ρ2, wherein ρ1It is the testing result of mother collection, ρ2It is the subset
Threshold value.
The automatic testing method of the water quality automatic detection analysis instrument of the embodiment of the present invention, referring to Fig. 2, comprises the following steps：
（1）Water sample is put into shuttle, volume of water sample is determined；（2）Input detection composition, determines volume needed for all detection compositions；
（3）Whether the volume of water sample is more than required volume of water sample in judgement sample container；Enter if greater than required volume of water sample
Step（4）, otherwise into step（5）；（4）Detection component order according to user input is detected；（5）For not interfereing with each other
Detection composition detected successively；（6）The testing result of the female collection in the detection composition that is mutually related, it is determined whether right
For subset detection water sample be diluted after detect；If the testing result of female collection is small in the detection composition that is mutually related
In the threshold value of all subsets, into step（7）；If the testing result of female collection is merely greater than in the detection composition that is mutually related
The threshold value of one of subset, into step（8）；If the testing result of female collection is only big in the detection composition that is mutually related
In the threshold value of plurality of subset, into step（9）；（7）All subsets are not detected；（8）For subset detection
Water sample be diluted after carry out the detection of the subset；（9）To being detected successively in the plurality of subset, carried out to the multiple collection of the son
During detection, the water sample for being detected for each subset in the plurality of subset carries out the detection of the subset after being diluted；（10）
It is not belonging to not interfere with each other detection composition successively, is also not belonging to the detection of unrelated detection composition.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.For the ordinary skill people of the art
For member, some improvements and modifications without departing from the principles of the present invention should be regarded as falling into protection scope of the present invention.
Claims (6)
1. a kind of water quality automatic detection analysis instrument, including：Shuttle, peristaltic pump, multiple-way valve, reaction vessel, reagent container, inspection
Survey device and controller；The shuttle, reagent container is connected with the entrance pipe of multiple-way valve respectively, the reaction vessel
Connected with the export pipeline of multiple-way valve；The peristaltic pump according to the valve opening and closing of multiple-way valve, by the water sample in shuttle and
Reagent in reagent container is pumped into reaction vessel；The detection means is arranged in reaction vessel, treat in sample for being detected
Detect the content of composition；It is characterized in that：Also include the dilution bottle connected with multiple-way valve entrance, accommodated in the dilution bottle
Dilution；When volume of water sample in the sample is less than volume needed for all detection compositions, the controller determines detection composition
In interrelated detection composition, the testing result of the female collection in the detection composition that is mutually related, it is determined whether right
For subset detection water sample be diluted after detect.
2. water quality automatic detection analysis instrument according to claim 1, it is characterised in that：The dilution is pure water.
3. water quality automatic detection analysis instrument according to claim 2, it is characterised in that：If the detection that is mutually related
The threshold value of the testing result less than all subsets of female collection, then do not detect to all subsets in composition.
4. water quality automatic detection analysis instrument according to claim 1, it is characterised in that：If the detection that is mutually related
The testing result of female collection is merely greater than the threshold value of one of subset in composition, then only the subset is detected；To the subset
When being detected, the water sample for being detected for the subset carries out the detection of the subset after being diluted.
5. water quality automatic detection analysis instrument according to claim 2, it is characterised in that：The extension rate is ρ1/ρ2, its
Middle ρ1It is the testing result of mother collection, ρ2It is the threshold value of the subset.
6. a kind of automatic testing method of water quality automatic detection analysis instrument, comprises the following steps：（1）Water sample is put into sample to hold
Device, determines volume of water sample；（2）Input detection composition, determines volume needed for all detection compositions；（3）Judgement sample container reclaimed water
Whether the volume of sample is more than required volume of water sample；Enter step if greater than required volume of water sample（4）, otherwise into step
（5）；（4）Detection component order according to user input is detected；（5）Examined successively for non-interfering detection composition
Survey；（6）The testing result of the female collection in the detection composition that is mutually related, it is determined whether enter to the detection water sample for subset
Detected after row dilution；If the threshold value of the testing result less than all subsets of female collection, enters in the detection composition that is mutually related
Enter step（7）；If the testing result of female collection is merely greater than the threshold value of one of subset in the detection composition that is mutually related,
Into step（8）；If the testing result of female collection is merely greater than the threshold of plurality of subset in the detection composition that is mutually related
Value, into step（9）；（7）All subsets are not detected；（8）The water sample detected for the subset is diluted laggard
The detection of the capable subset；（9）To being detected successively in the plurality of subset, when being detected to the multiple collection of the son, for for this
The water sample of each subset detection carries out the detection of the subset in multiple subsets after being diluted；（10）It is not belonging to successively mutually
Interference Detection composition, is not belonging to the detection of unrelated detection composition yet.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711149165.5A CN107703321B (en) | 2017-03-05 | 2017-03-05 | Automatic detecting analyzer for water quality of multiple pollutant components |
| CN201710125674.8A CN106885914B (en) | 2017-03-05 | 2017-03-05 | Multi-pollutant is into different water automatic detection analysis instrument and detection method |
| CN201810358937.4A CN108445243A (en) | 2017-03-05 | 2017-03-05 | A kind of water quality automatic detection analysis instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710125674.8A CN106885914B (en) | 2017-03-05 | 2017-03-05 | Multi-pollutant is into different water automatic detection analysis instrument and detection method |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711149165.5A Division CN107703321B (en) | 2017-03-05 | 2017-03-05 | Automatic detecting analyzer for water quality of multiple pollutant components |
| CN201810358937.4A Division CN108445243A (en) | 2017-03-05 | 2017-03-05 | A kind of water quality automatic detection analysis instrument |
Publications (2)
| Publication Number | Publication Date |
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| CN106885914A true CN106885914A (en) | 2017-06-23 |
| CN106885914B CN106885914B (en) | 2018-04-17 |
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ID=59180588
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| CN201710125674.8A Active CN106885914B (en) | 2017-03-05 | 2017-03-05 | Multi-pollutant is into different water automatic detection analysis instrument and detection method |
| CN201810358937.4A Withdrawn CN108445243A (en) | 2017-03-05 | 2017-03-05 | A kind of water quality automatic detection analysis instrument |
| CN201711149165.5A Active CN107703321B (en) | 2017-03-05 | 2017-03-05 | Automatic detecting analyzer for water quality of multiple pollutant components |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810358937.4A Withdrawn CN108445243A (en) | 2017-03-05 | 2017-03-05 | A kind of water quality automatic detection analysis instrument |
| CN201711149165.5A Active CN107703321B (en) | 2017-03-05 | 2017-03-05 | Automatic detecting analyzer for water quality of multiple pollutant components |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107525905A (en) * | 2017-09-19 | 2017-12-29 | 苏州奥特福环境科技有限公司 | A kind of sewage detection device |
| CN108680397A (en) * | 2018-05-26 | 2018-10-19 | 北京逸智联科技有限公司 | A kind of multi-parameter water-quality automatic detection analysis instrument |
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| JPH04295764A (en) * | 1991-03-26 | 1992-10-20 | Toshiba Corp | Automatic chemical analyzer |
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| CN101819212A (en) * | 2010-04-15 | 2010-09-01 | 马三剑 | On-line automatic monitoring device for water quality mercury |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525905A (en) * | 2017-09-19 | 2017-12-29 | 苏州奥特福环境科技有限公司 | A kind of sewage detection device |
| CN108680397A (en) * | 2018-05-26 | 2018-10-19 | 北京逸智联科技有限公司 | A kind of multi-parameter water-quality automatic detection analysis instrument |
| CN108680397B (en) * | 2018-05-26 | 2019-05-14 | 西安北斗星数码信息股份有限公司 | A kind of multi-parameter water-quality automatic detection analysis instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107703321A (en) | 2018-02-16 |
| CN107703321B (en) | 2020-08-18 |
| CN106885914B (en) | 2018-04-17 |
| CN108445243A (en) | 2018-08-24 |
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