CN108226065A - A kind of high-precision DEK multiparameter water quality analyzers - Google Patents
A kind of high-precision DEK multiparameter water quality analyzers Download PDFInfo
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- CN108226065A CN108226065A CN201711470106.8A CN201711470106A CN108226065A CN 108226065 A CN108226065 A CN 108226065A CN 201711470106 A CN201711470106 A CN 201711470106A CN 108226065 A CN108226065 A CN 108226065A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
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Abstract
The invention discloses high-precision DEK multiparameter water quality analyzers, including kinetic pump and measuring cell, the lower section of the kinetic pump is equipped with metering device, the side of the metering device is equipped with gage probe, the lower section of the metering device is equipped with flow divider island, the lower section on the flow divider island is equipped with tapping valve, the side of the measuring cell receives lamp equipped with reference, the side that the reference receives lamp is equipped with emission lamp, the position that the side of the measuring cell is located at the lower section that reference receives lamp is equipped with pellicle mirror, the top of the measuring cell is equipped with upper high pressure valve, the measuring cell is arranged on the opposite side of metering device, the opposite side of the measuring cell, which is equipped with to measure, receives lamp, the measuring cell is internally provided with light path integration ring, the lower section of the measuring cell is equipped with lower high pressure valve.High-precision DEK multiparameter water quality analyzers of the present invention have the advantages that at low cost, stability is high, high resolution.
Description
Technical field
The present invention relates to a kind of analyzers, more particularly to high-precision DEK multiparameter water quality analyzers.
Background technology
Multiparameter water quality analyzer be one using on-line analysis instrument and laboratory research demand as service goal, with provide
The sample message of representative, promptness and reliability is core missions, with automatic control technology, computer technology and is matched
With professional software, composition one is from the holonomic system for sampling, pre-processing, analyzing data processing and storage, so as to fulfill to sample
The online auto monitoring of product.Automatic monitoring system generally comprises power plant, metering device and analysis measuring device etc., subsystem
Not only each architectonical, but also cooperate, it is reliably run with completing the continuous of entire online auto monitoring system；Existing water quality point
There are certain drawbacks when in use for analyzer, and the emission lamp that current each instrument producer uses mostly is LED light source, due to product sheet
The characteristic of body, energy of light source can be continuously decreased with the passage of working time, lead to the drift of measurement data, and personnel is needed to remove frequency
Numerous calibration, wastes reagent, also increases human cost, and the measurement accuracy of each instrument producer is mostly left ± 10% at present
It is right.In the provinces and cities of some implementation dynamic management and control, enterprise's concentration of emission may turn off its sewage draining valve more than limit value 5%, at this time
± 10% error range has been difficult to the requirement for meeting managing and control system, and certain influence is brought using process to people, is
This, it is proposed that high-precision DEK multiparameter water quality analyzers.
Invention content
The technical problem to be solved by the present invention is to overcome the defects of the prior art, provide high-precision DEK multi-parameter water qualities point
Analyzer.
In order to solve the above technical problem, the present invention provides following technical solutions：
High-precision DEK multiparameter water quality analyzers of the present invention including kinetic pump and measuring cell, are set below the kinetic pump
There is metering device, the side of the metering device is equipped with gage probe, and the lower section of the metering device is equipped with flow divider island, institute
The lower section for stating flow divider island is equipped with tapping valve, and the side of the measuring cell receives lamp equipped with reference, and the reference receives the one of lamp
Side is equipped with emission lamp, the side of the measuring cell be located at reference receive lamp lower section position equipped with pellicle mirror, the measuring cell
Top be equipped with upper high pressure valve, the measuring cell is arranged on the opposite side of metering device, and the opposite side of the measuring cell, which is equipped with, to be surveyed
Amount receives lamp, and the measuring cell is internally provided with light path integration ring, and the lower section of the measuring cell is equipped with lower high pressure valve.
Preferably, the luminous energy that the emission lamp is sent out is divided into two after pellicle mirror, and a routing reference receives lamp and receives,
Another way injects measuring cell and finally receives lamp reception by measuring, the energy variation received by reference reception lamp, it can be determined that
Go out the variation of emission lamp emitted energy, thus parameter, by controlling the input power of emission lamp in real time, reference is made to receive lamp and is received
The energy stabilization arrived is in an a reference value, so as to ensure that the stable energy of emission lamp exports, is made so as to reduce emission lamp attenuation
Into data wander, improve the stability of measurement data.
Preferably, the measuring cell outer ring integrates ring for light path, and another way is injected the luminous energy of measuring cell, integrated by light path
Ring can carry out ten secondary reflections in measuring cell, finally receive lamp reception dump energy by measuring, light path integration ring internal reflection number
It can increase and decrease as needed.
The advantageous effect that is reached of the present invention is：Compared with conventional method, which can expand light path, by bright Bobi
The formula A=KCL (K represents absorption coefficient, and C represents the concentration of detected solution, and L represents light path) of your law is it is found that absorbance A is same
Than being promoted, also promoted just the measurement accuracy of instrument, substantially increase the accuracy of measurement data.It is accumulated for light path measuring cell outer ring
Divide ring.Another way injects the luminous energy of measuring cell, integrates ring by light path, ten secondary reflections can be carried out in measuring cell, finally by surveying
Amount receives lamp and receives dump energy.Light path integration ring internal reflection number can increase and decrease as needed.Compared with conventional method, the design
Light path can be made to expand 10 times, (K represents absorption coefficient, and C represents the dense of detected solution by the formula A=KCL of langbobier law
Degree, L represent light path) it is found that absorbance A improves 10 times on year-on-year basis, the measurement accuracy of instrument is also just made to improve 10 times, by indicating value
Control errors are ± 1% or so, and to meet increasingly stringent environmental protection policy, the present invention has following excellent compared with prior art
Point：It is at low cost, stability is high, precision is high.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Example is applied together for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structure diagram of high-precision DEK multiparameter water quality analyzers of the present invention；
Fig. 2 is the pellicle mirror light splitting schematic diagram of high-precision DEK multiparameter water quality analyzers of the present invention；
Fig. 3 is the integration ring reflection schematic diagram of high-precision DEK multiparameter water quality analyzers of the present invention；
In figure：1st, kinetic pump；2nd, metering device；3rd, gage probe；4th, flow divider island；5th, tapping valve；6th, reference receives
Lamp；7th, emission lamp；8th, pellicle mirror；9th, upper high pressure valve；10th, measuring cell；11st, it measures and receives lamp；12nd, light path integration ring；13rd, lower height
Pressure valve.
Specific embodiment
The preferred embodiment of the present invention is illustrated below in conjunction with attached drawing, it should be understood that preferred reality described herein
It applies example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment 1
As shown in Figs. 1-3, high-precision DEK multiparameter water quality analyzers, including kinetic pump 1 and measuring cell 10, kinetic pump 1
Lower section is equipped with metering device 2, and the side of metering device 2 is equipped with gage probe 3, and the lower section of metering device 2 is equipped with flow divider island
4, the lower section on flow divider island 4 is equipped with tapping valve 5, and the side of measuring cell 10 receives lamp 6 equipped with reference, and reference receives the side of lamp 6
Equipped with emission lamp 7, the position that the side of measuring cell 10 is located at the lower section that reference receives lamp 6 is equipped with pellicle mirror 8, measuring cell 10 it is upper
Side is equipped with upper high pressure valve 9, and measuring cell 10 is arranged on the opposite side of metering device 2, and the opposite side of measuring cell 10, which is equipped with to measure, to be received
Lamp 11, measuring cell 10 are internally provided with light path integration ring 12, and the lower section of measuring cell 10 is equipped with lower high pressure valve 13.
The luminous energy that emission lamp 7 is sent out is divided into two after pellicle mirror 8, and a routing reference receives lamp 6 and receives, and another way is penetrated
Enter measuring cell 10 finally to be received by measuring reception lamp 11, the energy variation received by reference reception lamp 6, it can be determined that set out
The variation of 7 emitted energy of shot-light, thus parameter, by controlling the input power of emission lamp 7 in real time, makes reference receive lamp 6 and receives
The energy stabilization arrived so as to ensure that the stable energy of emission lamp 7 exports, decays so as to reduce emission lamp 7 in an a reference value
Caused by data wander, improve the stability of measurement data；10 outer ring of measuring cell integrates ring 12 for light path, and another way, which is injected, to be surveyed
The luminous energy in pond 10 is measured, ring 12 is integrated by light path, ten secondary reflections can be carried out in measuring cell 10, finally receiving lamp 11 by measurement connects
Dump energy is received, light path integration 12 internal reflection number of ring can increase and decrease as needed, and compared with conventional method, which can make light
Journey expands 10 times, and by the formula A=KCL of langbobier law, (K represents absorption coefficient, and C represents the concentration of detected solution, and L is represented
Light path) it is found that absorbance A improves 10 times on year-on-year basis, the measurement accuracy of instrument is also just made to improve 10 times, substantially increases measurement
The accuracy of data.
It should be noted that the present invention is high-precision DEK multiparameter water quality analyzers, kinetic pump 1 is provided to system pipeline
Positive pressure or negative pressure drive liquid flowing.By the different reagent pipeline of conducting in flow divider island 4, different reagents can be distinguished
Volume quantitative is carried out by gage probe 3 in metering device 2, then different reagents are separately added into measuring cell 10 and are mixed,
In closing airtight digestion is carried out after high pressure valve 9 and lower high pressure valve 13.The luminous energy that emission lamp 7 is sent out is connect by measuring cell 10 by measurement
Lamp 11 is received to receive.Formula A=KCL (K expression absorption coefficients, the concentration of C expression detected solutions, L tables according to langbobier law
Show light path), response curve equation is established, calculates the concentration of COD in water.Waste liquid is excluded by tapping valve 5 after the completion of analysis.Hair
The luminous energy that shot-light 7 is sent out is divided into two after pellicle mirror 8, and a routing reference receives lamp 6 and receives, and another way injects measuring cell 10
Finally received by measuring reception lamp 11.The energy variation received by reference reception lamp 6, it can be determined that go out emission lamp 7 and emit
The variation of energy, thus parameter, by controlling the input power of emission lamp 7 in real time, makes reference receive the energy that lamp 6 receives steady
An a reference value is scheduled on, so as to ensure that the stable energy of emission lamp 7 exports.So as to reduce data caused by emission lamp 7 is decayed
Drift improves the stability of measurement data.10 outer ring of measuring cell integrates ring 12 for light path.Another way injects the light of measuring cell 10
Can, ring 12 is integrated by light path, ten secondary reflections can be carried out in measuring cell 10, finally receiving lamp 11 by measurement receives residual energy
Amount.Light path integration 12 internal reflection number of ring can increase and decrease as needed.Compared with conventional method, which can make light path expand 10
Times, it can by the formula A=KCL (K represents absorption coefficient, and C represents the concentration of detected solution, and L represents light path) of langbobier law
Know, absorbance A improves 10 times on year-on-year basis, and the measurement accuracy of instrument is also just made to improve 10 times, substantially increases measurement data
Accuracy, it is more practical.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (3)
1. a kind of high-precision DEK multiparameter water quality analyzers, including kinetic pump (1) and measuring cell (10), it is characterised in that：It is described
The lower section of kinetic pump (1) is equipped with metering device (2), and the side of the metering device (2) is equipped with gage probe (3), the meter
The lower section for measuring device (2) is equipped with flow divider island (4), and the lower section of the flow divider island (4) is equipped with tapping valve (5), the measuring cell
(10) side receives lamp (6) equipped with reference, and the side that the reference receives lamp (6) is equipped with emission lamp (7), the measuring cell
(10) position that side is located at the lower section that reference receives lamp (6) is equipped with pellicle mirror (8), and the top of the measuring cell (10) is equipped with
Upper high pressure valve (9), the measuring cell (10) are arranged on the opposite side of metering device (2), and the opposite side of the measuring cell (10) is set
There is measurement to receive lamp (11), the measuring cell (10) is internally provided with light path integration ring (12), the lower section of the measuring cell (10)
Equipped with lower high pressure valve (13).
2. high-precision DEK multiparameter water quality analyzers according to claim 1, it is characterised in that：Emission lamp (7) hair
The luminous energy gone out is divided into two after pellicle mirror (8), and a routing reference receives lamp (6) and receives, and another way injects measuring cell (10)
Finally lamp (11) reception, the energy variation received by reference reception lamp (6), it can be determined that go out emission lamp are received by measuring
(7) variation of emitted energy, thus parameter, by controlling the input power of emission lamp (7) in real time, makes reference receive lamp (6) and connects
The energy stabilization received is in an a reference value, so as to ensure that the stable energy of emission lamp (7) exports, so as to reduce emission lamp
(7) data wander caused by decaying improves the stability of measurement data.
3. high-precision DEK multiparameter water quality analyzers according to claim 1, it is characterised in that：The measuring cell (10)
Outer ring integrates ring (12) for light path, and another way injects the luminous energy of measuring cell (10), and ring (12) is integrated by light path, can be in measuring cell
(10) ten secondary reflections are carried out in, finally receive lamp (11) reception dump energy by measuring, light path integration ring (12) internal reflection number
It can increase and decrease as needed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711470106.8A CN108226065A (en) | 2017-12-29 | 2017-12-29 | A kind of high-precision DEK multiparameter water quality analyzers |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711470106.8A CN108226065A (en) | 2017-12-29 | 2017-12-29 | A kind of high-precision DEK multiparameter water quality analyzers |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060423A (en) * | 2018-08-15 | 2018-12-21 | 郑州艾莫弗信息技术有限公司 | A kind of water quality detecting device convenient for sampling based on computer technology |
| CN111272223A (en) * | 2020-03-03 | 2020-06-12 | 太原理工大学 | Multi-parameter water quality dynamic detection system |
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| CN206684036U (en) * | 2017-03-31 | 2017-11-28 | 马鞍山市桓泰环保设备有限公司 | A kind of water quality on-line monitoring instrument |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201392344Y (en) * | 2009-03-18 | 2010-01-27 | 马三剑 | Automatic on-line monitoring device for water quality dichromate index |
| CN201628680U (en) * | 2009-08-21 | 2010-11-10 | 马三剑 | Nickel-ion online automatic monitoring device |
| CN102004083A (en) * | 2010-12-29 | 2011-04-06 | 南通汇环环保科技有限公司 | Water quality analyzer for analyzing parameters of copper, chromium and nickel |
| CN103033485A (en) * | 2011-09-29 | 2013-04-10 | 中科天融(北京)科技有限公司 | Water total-phosphorus and total-nitrogen online monitoring apparatus |
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| CN105115902A (en) * | 2015-09-11 | 2015-12-02 | 深圳世绘林科技有限公司 | Spectrophotometer based on optical integrating spheres |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060423A (en) * | 2018-08-15 | 2018-12-21 | 郑州艾莫弗信息技术有限公司 | A kind of water quality detecting device convenient for sampling based on computer technology |
| CN111272223A (en) * | 2020-03-03 | 2020-06-12 | 太原理工大学 | Multi-parameter water quality dynamic detection system |
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Application publication date: 20180629 |
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