CN109444070A - Oil content all automatic measurement instrument in water - Google Patents
Oil content all automatic measurement instrument in water Download PDFInfo
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- CN109444070A CN109444070A CN201811478258.7A CN201811478258A CN109444070A CN 109444070 A CN109444070 A CN 109444070A CN 201811478258 A CN201811478258 A CN 201811478258A CN 109444070 A CN109444070 A CN 109444070A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000005259 measurement Methods 0.000 title claims abstract description 35
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 21
- 239000002699 waste material Substances 0.000 claims abstract description 15
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 14
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052919 magnesium silicate Inorganic materials 0.000 claims abstract description 13
- 235000019792 magnesium silicate Nutrition 0.000 claims abstract description 13
- 239000000391 magnesium silicate Substances 0.000 claims abstract description 13
- 239000012528 membrane Substances 0.000 claims abstract description 9
- 239000000284 extract Substances 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 13
- 239000003960 organic solvent Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000000605 extraction Methods 0.000 abstract description 16
- 238000013461 design Methods 0.000 abstract description 8
- 231100000331 toxic Toxicity 0.000 abstract description 3
- 230000002588 toxic effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 41
- 238000000034 method Methods 0.000 description 21
- 230000008569 process Effects 0.000 description 17
- 238000002203 pretreatment Methods 0.000 description 8
- 239000003208 petroleum Substances 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 5
- 241001465754 Metazoa Species 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000010561 standard procedure Methods 0.000 description 4
- 238000004566 IR spectroscopy Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- UHXWLHYMUGRLKG-UHFFFAOYSA-N [Mg].O[Si](O)(O)O Chemical compound [Mg].O[Si](O)(O)O UHXWLHYMUGRLKG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000001616 monocyte Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000005375 photometry Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- 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
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3577—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention relates to oil content all automatic measurement instrument in water, including host machine part and sample injector part, the host machine part includes host machine casing and the computer system in host machine casing, light path system, cuvette is provided with above the host machine casing, front is provided with switch, side is provided with ventilating system, the sample injector part include sample injector casing and peristaltic pump in casing, cylinder, mechanical arm, magnesium silicate column, syringe pump, except moisture film, filter membrane, sample bottle and rotating table system；The full-automatic of oil content in measurement sample is fully achieved to complete.It ensure that the stability of water sample extraction, and organic reagent all automates addition and waste collection in extraction process, completely dispenses with experimenter and contacts toxic organic reagent, meets humanized design, the efficiency of experimenter is improved, and effectively saves manpower.
Description
Technical field
The present invention relates to detection device fields, oil content all automatic measurement instrument specifically in water.
Background technique
The oil content now measured in the lab in water mostly uses " infrared point of the measurement of water-quality petroleum and animals and plants oils
Light photometry " (HJ637-2012) national standard method and " the measurement infrared spectrophotometer of water-quality petroleum and animals and plants oils "
(HJ637-2018) and " the measurement ultraviolet spectrophotometry (tentative) of water-quality petroleum " (HJ970-2018).For these sides
Method has the measurement of oil content in the achievable water of big measuring appratus in the market, however automatically surveys fully according to national standard method on the market
The instrument for determining oil content in water is seldom, and in the rare all automatic measurement instrument according to oils in national standard method measurement water
In, there is many problems:
Largely it is in the market manual measurement instrument for the survey oil product of this method, i.e., can only carries out the light splitting light of oils
The measurement of degree method, can not carry out the pre-treatment of water sample.Cause the most of the time during surveying oil that will carry out the artificial pre-treatment of water sample,
Using to organic reagents such as a large amount of carbon tetrachloride in the water sample pretreatment process, the health of people is seriously affected, and have cause
Cancer effect.And the process is manually extracted using separatory funnel, is caused measurement result stability poor, is taken time and effort.
Extraction flask used in some instrument autosamplers is fixed in market, and all samples use the same extraction
Take bottle, it is difficult to avoid cross contamination, and oils may be adhered in sample bottle in measurement process.There is instrument in the market
Using sample bottle, that is, extraction flask, but the extraction flask is simple and open, bore is big and, be not easy to take away.
Some automation oils measuring instruments, autosampler mostly use rotating disc type in market, and sample bottle is fixed, as long as one
A mechanical arm rotates to carry out the processing of different samples.To limit the sample digit of autosampler；And it is such automatic
Carburetion class measuring instrument can only meet a kind of national standard method for surveying oil.
With the oils measuring instrument of autosampler in market, fixed mechanical arm is mostly used, so that in measurement sample
When product can only monocyte sample processing, take a long time, and mechanical arm be relatively backward single element, without lose step detection etc. from
My defencive function leads to contaminated corrosion of instrument etc. so that instrument cannot be found in time when something goes wrong；
Full-automatic oils measuring instrument in market, all addition organic reagent, preparing standard solution and automatic dilution function
Can, the kit that pre-treatment needs has been made in ir spectrophotometry part, and cause autosampler as a corollary equipment,
So that autosampler does not have the function of isolated operation, and infrared spectroscopy light path part has various machinery in pretreatment process
Element operation, will lead to the stability of mechanical organ influence on system operation optical path.Cause to generate the unstable of reading when optical path measures
Property；
Summary of the invention
Technical problem to be solved by the invention is to provide oil content all automatic measurement instrument in water, to solve the prior art
Present in defect.
The technical scheme to solve the above technical problems is that
Oil content all automatic measurement instrument in water, including host machine part and sample injector part, the host machine part include master
Machine casing and the computer system in host machine casing, light path system are provided with cuvette above the host machine casing, front
It is provided with switch, side is provided with ventilating system, and the sample injector part includes sample injector casing and the wriggling in casing
Pump, mechanical arm, magnesium silicate column, syringe pump, removes moisture film, filter membrane, sample bottle and rotating table system at cylinder；The rotating table system
Under computer system control, carrying sample bottle is rotated automatically, and the mechanical arm is divided into three groups of mechanical arms, first group of mechanical arm
Liftable simultaneously there is pipeline to be connected to syringe pump, add organic reagent for underlying sample bottle；Second group of mechanical arm liftable,
And it is provided with the stirring motor of computer system control；Third group mechanical arm liftable, and the peristaltic pump of computer system control is connected,
Sample bottle water sample is delivered to cylinder by the peristaltic pump, is provided with air valve above the cylinder, lower section is provided with clamp
Valve, the piping connection of the pinch valve clamping is in waste collection bottle, and pinch valve unclamps below cylinder, and upper air valve is closed
When, third group mechanical arm drops to certain altitude, and wriggling pump operation extracts the moisture of sample middle and upper part to waste liquid bottle, after,
Air valve is opened, and pinch valve is closed, and third group mechanical arm drops to bottommost peristaltic pump and conveys the organic solvent in water sample bottle
To cylinder；Syringe pump extracts organic solvent and is delivered to cuvette after filter membrane, and computer system opens light path system measurement simultaneously
Calculate total oil content；Syringe pump extracts the organic solvent in cuvette, is delivered to colorimetric after magnesium silicate column absorbing organic solvent
Ware, computer system open light path system and measure and calculate the content of petroleum-type；
More specifically, the sample bottle is wide-mouth bottle, and bottleneck is frosted mouth, is furnished with bottle cap；
More specifically, the rotating table system is the chain-type sample disc of ellipse, by way of the cycle rotation of sample position
Carry out the pre-treatment of sample；
More specifically, the third group mechanical arm is connected with cleaning pump, for cleaning to sample bottle；
The beneficial effects of the present invention are: autosampler provided by the invention, may be implemented the auto extractive of water sample, automatically
After extraction, the automatic extract liquor that shifts arrives infrared spectrophotometer, oil content data in automatic reading water, and may be implemented automatically
Change the absorption of magnesium silicate column, so that the measurement respectively of petroleum class and zoology and botany oil is automatically completed, it is automatic after being measured to exclude
Waste liquid in specimen cup, the automatic organic reagent collected in waste liquid, and complete automation cleaning cuvette.Entire measurement process
Only the Special sample bottle equipped with water sample need to be swung in autosampler, only need to check data after being measured, take out sky sample bottle
?.Whole process does not need artificial any intervention.The full-automatic of oil content in measurement sample is fully achieved to complete.It protects
The stability of water sample extraction is demonstrate,proved, and organic reagent all automates addition and waste collection in extraction process, has made to test people
Member, which completely dispenses with, contacts toxic organic reagent, meets humanized design, improves the efficiency of experimenter, and effective
Save manpower.
Detailed description of the invention
Fig. 1 is host machine part structural schematic diagram of the present invention；
Fig. 2 is sample injector partial structure diagram of the present invention；
The reference numerals are as follows:
1, host machine part, 11, host machine casing, 12, computer system, 13, cuvette, 14, switch, 15, light path system, 16,
Ventilating system, 2, sample injector part, 21, sample injector casing, 22, peristaltic pump, 23, cylinder, 24, mechanical arm, 25, magnesium silicate
Column, 26, syringe pump, 27, filter membrane, 271, remove moisture film, 28, sample bottle, 29, rotating table system；
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figs. 1-2, oil content all automatic measurement instrument in water, including host machine part 1 and sample injector part 2, it is described
Host machine part 1 includes host machine casing 11 and the computer system 12 in host machine casing 11, light path system 15, the host machine casing
11 top is provided with cuvette 13, and front is provided with switch 14, and side is provided with ventilating system 16, the sample injector part 2
Peristaltic pump 22, cylinder 23, mechanical arm 24, magnesium silicate column 25, syringe pump 26 including sample injector casing 21 and in casing,
Except moisture film 271, filter membrane 27, sample bottle 28 and rotating table system 29；The rotating table system 29 is under the control of computer system 12, carrying
Sample bottle 28 is rotated automatically, and the mechanical arm 24 divides for three groups of mechanical arms, and first group of mechanical arm liftable simultaneously has pipeline
It is connected to syringe pump 26, adds organic reagent for underlying sample bottle 28；Second group of mechanical arm liftable, and it is provided with computer
The stirring motor that system 12 controls；Third group mechanical arm liftable, and the peristaltic pump 22 of the control of computer system 12 is connected, it is described compacted
Sample bottle water sample is delivered to cylinder 23 by dynamic pump 22, is provided with air valve above the cylinder 23, lower section is provided with clamp
Valve, the piping connection of the pinch valve clamping is in waste collection bottle, and pinch valve unclamps below cylinder, and upper air valve is closed
When, third group mechanical arm drops to certain altitude, and the operation of peristaltic pump 22 is extracted the moisture of sample middle and upper part to waste liquid bottle, terminated
Afterwards, air valve is opened, and pinch valve is closed, and third group mechanical arm drops to bottommost, and peristaltic pump is by the organic solvent in water sample bottle
It is delivered to separation 23；Syringe pump 26 extracts organic solvent and is delivered to cuvette 13 after filter membrane 27, and computer system 12 opens light
Road system 15 measures and calculates total oil content；Syringe pump 26 extracts the organic solvent in cuvette 13, adsorbs through magnesium silicate column 25
Cuvette 13 is delivered to after organic solvent, computer system 12 opens the content that light path system 15 measures and calculates petroleum-type；
More specifically, the sample bottle 28 is wide-mouth bottle, and bottleneck is frosted mouth, is furnished with bottle cap；
More specifically, the rotating table system 29 is the chain-type sample disc of ellipse, passes through the side of sample position cycle rotation
The pre-treatment of formula progress sample；
More specifically, the third group mechanical arm is connected with cleaning pump, for cleaning to sample bottle；
Concrete operating principle:
Autosampler provided by the invention, may be implemented the auto extractive of water sample, after auto extractive, automatic transfer extraction
Liquid is to infrared spectrophotometer, oil content data in automatic reading water, and the absorption of automation magnesium silicate column may be implemented, from
And the measurement respectively of petroleum class and zoology and botany oil is automatically completed, it is measured the rear automatic waste liquid excluded in specimen cup, automatically
The organic reagent of waste liquid is collected, and completes automation cleaning cuvette.Entire measurement process need to only swing in Special sample bottle
Autosampler only need to check data after being measured, take out sky sample bottle.
Specific work process:
(1) sample bottle is put into rotating table system,
(2) rotating table system goes to No. 1 position, first group of mechanical arm decline, and syringe pump extracts organic reagent in organic reagent mouth,
Then multiple-way valve goes to the pipeline of first group of mechanical arm connection, and organic reagent is injected in sample bottle, and first group of mechanical arm rises.
(3) rotating table system rotates, and below No. 1 bit transition to second group of mechanical arm, No. 2 positions are below first group of mechanical arm.
The stirring on second group of mechanical arm is opened in the step of (4) first groups of mechanical arms carry out (2), second group of mechanical arm decline
Motor is stirred extraction.Stirring extraction is completed second group of mechanical arm and is risen.It opens cleaning pump and cleans stirring rod, stand certain
Time
(5) rotating table system rotates, and below No. 1 bit transition to third group mechanical arm, No. 2 positions are below second group of mechanical arm, and 3
Number position is below first group of mechanical arm.
The step of (6) first groups of mechanical arms carry out the step of (2), and second group of mechanical arm carries out (4), under third group mechanical arm
Certain position will be arrived, cylinder lower part pinch valve unclamps, and upper air valve, which is closed, opens peristaltic pump, and mechanical arm declines wriggling on one side
Pump extracts water sample on one side, the water sample in water sample bottle is excluded by cylinder, after water largely excludes, mechanical arm is out of service.
The pinch valve of cylinder lower part clamps, and third group mechanical arm is re-lowered to bottle bottom, opens the air valve on cylinder, will
Extraction agent in water sample bottle --- organic solution is collected in cylinder, and another cleaning pump, cleaning sampling pipe are then opened.
(7) after cylinder collects organic solution, stratification, syringe pump extracts the bottom organic solution after layering, extracts
Organic solution is set to remove impurity by filter membrane in the process, by removing moisture except moisture film.To which organic reagent injection will be extracted
Cuvette opens light path system, and the computer on host reads the content of oils in cuvette, to calculate total oil in water sample
Content.
(8) total oil is measured, and syringe pump extracts the organic reagent in cuvette, and injects magnesium silicate column, so that silicic acid
Magnesium adsorbs animals and plants oils, by the organic reagent after absorption, re-injects cuvette, opens optical path, and computer is read in cuvette
The content of organic reagent petroleum-type.To calculate in water sample: total oil, petroleum-type, the content of vegetable and animals oils.Then automatic cleaning
Cuvette and magnesium silicate column.
(9) in measurement process, rotating table system is continued to run, and three groups of mechanical arms are also run simultaneously, thus after successively handling
Continuous water sample simultaneously makes whole process move in circles operation.
To realize the full-automatic Multi-example measurement of circular flow simultaneously of oils in water.
The present invention has the advantage that
(1) our Instrument Design has autosampler, may be implemented the auto extractive of water sample, after auto extractive, automatically
It shifts extract liquor and arrives infrared spectrophotometer, oil content data in automatic reading water, and may be implemented to automate magnesium silicate column
Absorption be measured rear automatic exclude in specimen cup to automatically complete the measurement respectively of petroleum class and zoology and botany oil
Waste liquid, the automatic organic reagent collected in waste liquid, and complete automation cleaning cuvette.Entire measurement process only needs will be dedicated
Sample bottle swings in autosampler, only need to check data after being measured, take out sky sample bottle.Whole process is not required to very important person
Any intervention of work.The full-automatic of oil content in measurement sample is fully achieved to complete.It ensure that the stability of water sample extraction,
And organic reagent all automates addition and waste collection in extraction process, and completely dispensing with experimenter, contact is toxic to be had
Machine reagent, meets humanized design, improves the efficiency of experimenter, and effectively saves manpower.
(2) oils that we design measures autosampler, extraction flask, that is, sample bottle, and sample bottle is designed as wide-mouth doleiform
Formula, it is easy to carry and take, and it is furnished with special bottle cap for frosted mouth, it is easy to use.
(3) the oils measuring instrument of our company's designs, autosampler use the chain-type sample disc of ellipse, make
The pre-treatment of sample is carried out with the mode of sample position cycle rotation, so that the sample digit of autosampler can be opened up infinitely
Exhibition, and the Infinite Cyclic of sample may be implemented in the sample transmission system, can add reduction sample at any time.Make instrument operation more
Automation.
(4) the oils measuring instrument of our company's designs, autosampler uses three arm modes, in sample handling processes
In can three samples handled simultaneously, thus the greatly less processing time of sample, and mechanical arm has and loses step inspection
Brake, thus when handling sample can with real-time detection to water sample treatment process whether normal operation.To be effectively protected
The safety of instrument and sample handling processes carries out.
(5) the oil content analyzer device of my company's design, has been integrated into sample injector part for all pre-treatment kits, so that
The sample injector can be with independent operating, so as to be used alone, and can be used as an individual product and operated.To effectively
Pre-treatment and infrared spectroscopy optical path are kept apart, reduce influence of the pretreatment process to optical path, so that the measurement of oils
It is more stable.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. oil content all automatic measurement instrument in water, it is characterised in that: including host machine part and sample injector part, the host portion
Dividing includes host machine casing and the computer system in host machine casing, light path system, is provided with ratio above the host machine casing
Color ware, front are provided with switch, and side is provided with ventilating system, and the sample injector part includes sample injector casing and is located at casing
Interior peristaltic pump, mechanical arm, magnesium silicate column, syringe pump, removes moisture film, filter membrane, sample bottle and rotating table system at cylinder；It is described
Rotating table system is under computer system control, and carrying sample bottle is rotated automatically, and the mechanical arm is divided into three groups of mechanical arms, and first
Group mechanical arm liftable simultaneously there is pipeline to be connected to syringe pump, add organic reagent for underlying sample bottle；Second group mechanical
Arm liftable, and it is provided with the stirring motor of computer system control；Third group mechanical arm liftable, and connect computer system control
Peristaltic pump, sample bottle water sample is delivered to cylinder, is provided with air valve above the cylinder, lower section is set by the peristaltic pump
It is equipped with pinch valve, the piping connection of the pinch valve clamping is in waste collection bottle, and pinch valve unclamps below cylinder, and top is empty
When air valve is closed, third group mechanical arm drops to certain altitude, and wriggling pump operation extracts the moisture of sample middle and upper part to waste liquid bottle,
After, air valve is opened, and pinch valve is closed, and third group mechanical arm drops to bottommost peristaltic pump will be organic molten in water sample bottle
Agent is delivered to cylinder；Syringe pump extracts organic solvent and is delivered to cuvette after filter membrane, and computer system opens light path system
It measures and calculates total oil content；Syringe pump extracts the organic solvent in cuvette, conveys after magnesium silicate column absorbing organic solvent
To cuvette, computer system opens light path system and measures and calculate the content of petroleum-type.
2. oil content all automatic measurement instrument in water according to claim 1, it is characterised in that: the sample bottle is wide-mouth
Bottle, bottleneck are frosted mouth, are furnished with bottle cap.
3. oil content all automatic measurement instrument in water according to claim 2, it is characterised in that: the rotating table system is ellipse
Circular chain-type sample disc.
4. oil content all automatic measurement instrument in water according to claim 3, it is characterised in that: described second group and third
Group mechanical arm is connected with cleaning pump, for cleaning to sample bottle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811478258.7A CN109444070A (en) | 2018-12-06 | 2018-12-06 | Oil content all automatic measurement instrument in water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811478258.7A CN109444070A (en) | 2018-12-06 | 2018-12-06 | Oil content all automatic measurement instrument in water |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781646A (en) * | 2019-03-15 | 2019-05-21 | 中世沃克(天津)科技发展股份有限公司 | Full-automatic ultraviolet aquatic oil detector |
| CN110075606A (en) * | 2019-05-08 | 2019-08-02 | 山东省计量科学研究院 | A kind of infrared full-automatic survey oil process quick adsorption filter device and method |
| CN110346527A (en) * | 2019-06-05 | 2019-10-18 | 泛测（北京）环境科技有限公司 | Water sample detection device |
| CN112179717A (en) * | 2020-09-30 | 2021-01-05 | 河北华清环境科技集团股份有限公司 | Sampling liquid separating device and water quality detector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781646A (en) * | 2019-03-15 | 2019-05-21 | 中世沃克(天津)科技发展股份有限公司 | Full-automatic ultraviolet aquatic oil detector |
| CN109781646B (en) * | 2019-03-15 | 2021-05-04 | 中世沃克(天津)科技发展股份有限公司 | Full-automatic ultraviolet aquatic oil detector |
| CN110075606A (en) * | 2019-05-08 | 2019-08-02 | 山东省计量科学研究院 | A kind of infrared full-automatic survey oil process quick adsorption filter device and method |
| CN110346527A (en) * | 2019-06-05 | 2019-10-18 | 泛测（北京）环境科技有限公司 | Water sample detection device |
| CN112179717A (en) * | 2020-09-30 | 2021-01-05 | 河北华清环境科技集团股份有限公司 | Sampling liquid separating device and water quality detector |
| CN112777885A (en) * | 2020-12-29 | 2021-05-11 | 广州维港环保科技有限公司 | Equipment and process for industrially and rapidly detecting oil content of oily sludge |
| CN113514406A (en) * | 2021-06-15 | 2021-10-19 | 杭州谱育科技发展有限公司 | Water quality on-line monitoring system and method |
| CN113514406B (en) * | 2021-06-15 | 2024-03-29 | 杭州谱育科技发展有限公司 | Water quality on-line monitoring system and method |
| CN113405876A (en) * | 2021-07-15 | 2021-09-17 | 陈传禄 | Automatic batch processing and analyzing device for hexavalent chromium in solution |
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