CN106526208A - Flow path device and online oil content analyzer with same - Google Patents
Flow path device and online oil content analyzer with same Download PDFInfo
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- CN106526208A CN106526208A CN201610944099.XA CN201610944099A CN106526208A CN 106526208 A CN106526208 A CN 106526208A CN 201610944099 A CN201610944099 A CN 201610944099A CN 106526208 A CN106526208 A CN 106526208A
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- 238000000605 extraction Methods 0.000 claims abstract description 76
- 239000007788 liquid Substances 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000002347 injection Methods 0.000 claims abstract description 15
- 239000007924 injection Substances 0.000 claims abstract description 15
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 13
- 239000002904 solvent Substances 0.000 claims abstract description 10
- 239000000284 extract Substances 0.000 claims description 33
- 239000002699 waste material Substances 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 12
- 230000008676 import Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 11
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 3
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 16
- 239000000243 solution Substances 0.000 description 11
- 239000012535 impurity Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- G01N2035/00465—Separating and mixing arrangements
- G01N2035/00475—Filters
-
- 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
- G01N2035/00465—Separating and mixing arrangements
- G01N2035/00534—Mixing by a special element, e.g. stirrer
Landscapes
- Physics & Mathematics (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)
- Spectroscopy & Molecular Physics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a flow path device. The flow path device comprises a peristaltic pump, an extraction component, an electromagnetic multi-way valve, an automatic injection pump and a separation pipe, wherein the automatic injection pump is communicated with the electromagnetic multi-way valve. The extraction component comprises an extraction bottle with a sealing top cover, a magnetic stirrer, a solvent liquid inlet pipe, a vent pipe and an extraction liquid outlet pipe, a water sample inlet on the upper portion of the sidewall of the extraction bottle is communicated with an outlet of the peristaltic pump, the lower end of the solvent liquid inlet pipe extends into the extraction bottle, and the upper end thereof is communicated with a port D of the electromagnetic multi-way valve. The vent pipe is mounted on the sealing top cover or the upper portion of the sidewall of the extraction bottle, and the extraction liquid outlet pipe is mounted at the bottom or the bottom end of the sidewall of the extraction bottle and is communicated with a port C of the electromagnetic multi-way valve. A liquid inlet and a liquid outlet at the bottom end of the sidewall of the separation pipe are communicated with the extraction liquid outlet pipe and the port C of the electromagnetic multi-way valve respectively. The invention further discloses an online oil content analyzer. The flow path device and the online oil content analyzer are safe, reliable, simple in structure, convenient to implement and capable of achieving automated online monitoring.
Description
Technical field
The present invention relates to water environment monitoring device technical field, and in particular to a kind of flow circuit device and adopt the flow circuit device
Online oil content analyzer.
Background technology
The pollution of water quality petrochina class material is increasingly severe, affects water quality condition.The measurement of water petrochina class material
Method, generally using GB（HJ637-2012）The infrared spectrophotometer of regulation：Water sample carbon tetrachloride extraction to be measured, by four
The absorbance measuring of three wavelength is carried out during infrared spectrophotometer is put into after the separation of chlorination carbon extract, dehydration.But this method
Water sample to be measured must be got experiment interior to measure, the environmental accident, the monitoring of tracking class and environmental background value for burst
Monitoring cannot obtain instant data；Environment surface water, municipal sewage and industrial wastewater are required for on-line monitoring at present, and China is still
Without the online oil content analyzer for meeting monitoring standard method, on-line monitoring requires measuring instrument to be placed in scene, and 24 hours continuous close
Ground monitoring change of water quality, uploads measurement data immediately, and meeting alert always situations such as by burst accident, water quality deterioration meets and connects
Continuous, timely, unserviced monitoring requirements, and control the equipment such as water fetching device, water supply valve and adopt corresponding measure.Additionally, behaviour
Make personnel's directly contact toxic reagent, can be detrimental to health.Therefore, develop a kind of simple structure, easy to implement, safe and reliable
And the flow circuit device and the online oil content analyzer using the flow circuit device of automatic measurement can be realized, become those skilled in the art
The urgent technical barrier for expecting to solve of member.
The content of the invention
For the shortcoming or deficiency of above-mentioned prior art, the technical problem to be solved in the present invention is to provide a kind of structure letter
It is single, easy to implement, safe and reliable and can be according to national standard（HJ63-2012）Requirement realize automatic measurement stream dress
Put and using the online oil content analyzer of the flow circuit device.
To solve above-mentioned technical problem, the present invention has following composition：
A kind of flow circuit device, including peristaltic pump, extraction module, electromagnetism multiple-way valve and automatic injection pump；The import of the peristaltic pump
It is connected with water sample source to be measured；The automatic injection pump is connected with electromagnetism multiple-way valve；The extraction module is included with sealing
The extraction flask of top cover, magnetic stir bar, solvent feed tube, breather pipe and extract drain pipe；The side wall upper part of the extraction flask
Water sample inlet is provided with, the water sample inlet is connected with the outlet of peristaltic pump；The magnetic stir bar is built in extraction flask,
The motor for driving magnetic stir bar to rotate is installed below extraction flask, the motor is provided with what is be engaged with magnetic stir bar
Magnet；The lower end of the solvent feed tube through top pressure closure, stretch in extraction flask, the valve port D phases of upper end and electromagnetism multiple-way valve
Connection；The valve port A of electromagnetism multiple-way valve is connected with extractant volumetric flask；The breather pipe is installed on top pressure closure or extraction flask
Side wall upper part；The extract drain pipe is installed on the bottom of extraction flask or side wall bottom end, the valve with electromagnetism multiple-way valve
Mouth C is connected.
The flow circuit device also includes a separating pipe, and the side wall bottom end of the separating pipe is provided with inlet and liquid outlet,
The inlet is connected with the extract drain pipe of extraction flask, and the extract drain pipe is provided with pinch valve；It is described go out liquid
Mouth is connected with the valve port C of electromagnetism multiple-way valve.
Between the valve port C of the liquid outlet and electromagnetism multiple-way valve of the separating pipe, it is sequentially provided with the first filter and carries and remove
Second filter of moisture film.
The bottom of the separating pipe, is additionally provided with a waste liquid discharging tube with pinch valve.
The separating pipe is transparent configuration.
Between the extract drain pipe and the valve port C of electromagnetism multiple-way valve, the first filter is sequentially provided with and with eliminating water
Second filter of film.
The side wall bottom end of the extraction flask, is additionally provided with a waste liquid discharging tube with pinch valve.
The extraction flask is transparent configuration.
The automatic injection pump is provided with liquid level sensor.
A kind of online oil content analyzer, including described flow circuit device, detection means and automatic control system, the flow circuit device
The valve port E of electromagnetism multiple-way valve be connected with detection means.
Compared with prior art, flow circuit device of the invention and the online oil content analyzer simple structure using the flow circuit device,
It is easy to implement, by flow path designs, make the manual metering system in laboratory become automation, meet wanting for national standard
Ask, and real-time on-line measurement data can be obtained, solve an on-line monitoring difficult problem for oil content in environmental monitoring water；Operated
Journey is carried out in sealing device, safe and reliable, and operating personnel are not directly contacted with toxic reagent, not to environment.
Description of the drawings
Fig. 1：The structure diagram of the first embodiment of the invention.
Fig. 2：The structure diagram of second embodiment of the invention.
Specific embodiment
The technique effect of the design, concrete structure and generation of the present invention is described further below with reference to accompanying drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Embodiment one
As shown in figure 1, the online oil content analyzer of the present invention, including flow circuit device, detection means 50 and automatic control system.The stream
Road device is circuit portion, including peristaltic pump 10, extraction module 20, electromagnetism multiple-way valve 30, automatic injection pump 40, the automatic note
Penetrate pump 40 to be connected with electromagnetism multiple-way valve 30.In specific embodiment, the automatic injection pump 40 is provided with liquid level sensor, liquid level
Accurate positioning, sensitivity are high.
The peristaltic pump 10 for the auto injection of water sample to be measured is completed to extraction module 20, its inlet and outlet respectively with
Water sample source is connected with the water sample inlet 23 of the extraction flask 21 that will be further elucidated hereinbelow.
The extraction module 20 include the extraction flask 21 with top pressure closure 28, magnetic stir bar 22, solvent feed tube 24,
Breather pipe 25, extract drain pipe 26 and waste liquid discharging tube 29a；The side wall upper part of the extraction flask 21 is provided with water sample inlet
23, the water sample inlet 23 is connected with the outlet of peristaltic pump 10.In specific embodiment, the extraction flask 21 adopts transparent knot
Structure, is made up of transparent glass material, to be more visually observed that the extracting and demixing situation of its inner extraction liquid.
The magnetic stir bar 22 is built in extraction flask 21, and the lower section of extraction flask 21 is provided with 22 turns of magnetic stir bar of drive
Dynamic motor 221, the motor 221 are provided with the magnet being engaged with magnetic stir bar 22.The magnetic being continually changing by magnet
Extremely promoting magnetic stir bar 22 to rotate, and then the mixed solution of water sample and extractant in extraction flask 21 is driven to rotate so as to
It is well mixed, accelerates reaction speed.
The lower end of the solvent feed tube 24 through top pressure closure 28, stretch in extraction flask 21, upper end and electromagnetism multiple-way valve
30 valve port D is connected；The valve port A of electromagnetism multiple-way valve 30 is connected with extractant volumetric flask 61.
The breather pipe 25 is installed on top pressure closure 28, or the side wall upper part for being installed on extraction flask 21；The breather pipe
25 are provided with pinch valve.
The extract drain pipe 26 is installed on the bottom of extraction flask 21 or side wall bottom end, and with electromagnetism multiple-way valve 30
Valve port C be connected；The valve port E of electromagnetism multiple-way valve 30 is connected with detection means 50.In specific embodiment, the extract goes out
Between the valve port C of liquid pipe 26 and electromagnetism multiple-way valve 30, the first filter 71 is sequentially provided with and with except the second filter of moisture film
72；Wherein, the impurity that the first filter 71 is used in further extracted by filtration liquid, the second filter 72 are used to remove in extract
Superfluous water phase, with guarantee measure accuracy.
The waste liquid discharging tube 29a is installed on the side wall bottom end of extraction flask 21, is connected with waste liquid bottle；The waste liquid row
Liquid pipe 29a is provided with pinch valve.
The detection means 50 is light path part, for detecting to the petroleum substance in extract, many with electromagnetism
The valve port E of port valve 40 is connected.In the present invention, infrared spectrophotometer of the detection means 50 using prior art, here
Repeat no more.
The automatic control system is circuit part, mainly uses automatic control technology and software, composition one from sampling,
Extract, separate, analyzing opening for the devices such as data processing, storage and the holonomic system transmitted, the pump of controller unit, valve, switch
Open or closing motion, so as to obtain the instant data of water quality, realize timely, the reliable on-line monitoring to water quality.
The valve port B of the electromagnetism multiple-way valve 30 is connected with standard liquid volumetric flask 62.In the present invention, extractant adopts four chlorinations
Carbon solution.
In the present embodiment, the course of work of online oil content analyzer is：
（1）Water sample to be measured is stopped when extremely volume required by 10 suction extraction flask 21 of peristaltic pump；Automatic injection pump 40 passes through electromagnetism
The valve port A of multiple-way valve 30, extracts carbon tetrachloride solution from extractant volumetric flask 61, carbon tetrachloride solution sequentially pass through valve port D,
During solvent feed tube 24 adds the water sample to be measured to extraction flask 21；Starting motor 221 drives magnetic stir bar 22 to rotate, and treats
The mixed solution for surveying water sample and carbon tetrachloride is stirred extraction.
（2）Extraction terminates, the solution left standstill layering in extraction flask 21, because the proportion difference of each material is divided into three from top to bottom
Layer：Water layer, impurity layer and extraction liquid layer.
（3）Automatic injection pump 40 is opened, and extracts the extract of 21 bottom of extraction flask, and extract sequentially passes through extract and goes out liquid
Pipe 26, the first filter 71, the second filter 72, the valve port C of electromagnetism multiple-way valve 30 and valve port E, are injected in detection means 50,
Measure.
（4）After being measured, the pinch valve of waste liquid discharging tube 29a is opened, and automatic injection pump 40 is opened, by detection means 50
In solution extract out and push back extraction flask 21；Waste liquid Jing waste liquid discharging tubes 29a discharges in extraction flask 21.
Embodiment two
Compared with embodiment one, there is following difference in embodiment two as shown in Figure 2：
（1）The extraction module 20 also includes a separating pipe 27, and the side wall bottom end of separating pipe 27 is provided with inlet 271 and goes out liquid
Mouth 272；The inlet 271 of separating pipe 27 is connected with the extract drain pipe 26 of extraction flask 21, is set on extract drain pipe 26
There is pinch valve；The liquid outlet 272 of separating pipe 27 passes sequentially through the first filter 71 and the second filter 72, with electromagnetism multiple-way valve 30
Valve port C be connected.
When the water sample to be measured sufficiently bulky volume very little of extractant, in extraction flask 21, the stratification of solution is failed to understand
It is aobvious, especially the impurity content such as silt in water sample to be measured than it is larger when, causing to be automatically brought into operation to be carried out.The present embodiment is adopted
With the design for setting up separating pipe 27,21 bottom volume of extraction flask less extract and impurity a small amount of above and water are imported
In separating pipe 27, secondary stratification is carried out；Due to the diameter of separating pipe 27 it is less than the diameter of extraction flask 21, solution in separating pipe
The layering of each phase is substantially and abundant, separates difficult technical barrier so as to solve above-mentioned extract.
（2）Remove the waste liquid discharging tube 29a on extraction flask 21, waste liquid discharging tube 29b is set in the bottom of separating pipe 27, with
Beneficial to discharge extraction flask 21 and the waste liquid in separating pipe 27.
In specific embodiment, separating pipe 27 adopts transparent configuration, is made up of transparent glass material, more intuitively to see
Observe the extracting and demixing situation of its inner extraction liquid.
In the present embodiment, the course of work of online oil content analyzer is：
（1）Water sample to be measured is stopped when extremely volume required by 10 suction extraction flask 21 of peristaltic pump；Automatic injection pump 40 passes through electromagnetism
The valve port A of multiple-way valve 30, extracts carbon tetrachloride solution from extractant volumetric flask 61, carbon tetrachloride solution sequentially pass through valve port D,
During solvent feed tube 24 adds the water sample to be measured to extraction flask 21；Starting motor 221 drives magnetic stir bar 22 to rotate, and treats
The mixed solution for surveying water sample and carbon tetrachloride is stirred extraction.
（2）Extraction terminates, and is sunken to the bottom of extraction flask 21 as the proportion of carbon tetrachloride is more than water, now opens extraction
Pinch valve on liquid drain pipe 26, the extract of 21 bottom of extraction flask and impurity a small amount of above and water flow under gravity
To separating pipe 27；Solution left standstill layering in separating pipe 27, because the proportion difference of each material is divided into from top to bottom substantially and fills
Three layers for dividing：Water layer, impurity layer and extraction liquid layer.
（3）Automatic injector 40 is opened, and extracts the extract of 27 bottom of separating pipe, and extract sequentially passes through separating pipe 27
Liquid outlet 272, the first filter 71, the second filter 72, the valve port C of electromagnetism multiple-way valve 30 and valve port E, are injected into detection means
In 50, measure.
（4）After being measured, the pinch valve of waste liquid discharging tube 29b is opened, and automatic injection pump 40 is opened, by detection means 50
In solution extract out and push back separating pipe 27；Waste liquid Jing waste liquid discharging tubes 29b discharges in extraction flask 21 and separating pipe 27.
According to the teaching of the present embodiment, those skilled in the art are capable of achieving in other scope of the present invention completely
Technical scheme.
Claims (10)
1. a kind of flow circuit device, it is characterised in that：Including peristaltic pump（10）, extraction module（20）, electromagnetism multiple-way valve（30）With oneself
Dynamic syringe pump（40）；The peristaltic pump（10）Import be connected with water sample source to be measured；The automatic injection pump（40）With electromagnetism
Multiple-way valve（30）It is connected；
The extraction module（20）Including with top pressure closure（28）Extraction flask（21）, magnetic stir bar（22）, solvent feed liquor
Pipe（24）, breather pipe（25）With extract drain pipe（26）；
The extraction flask（21）Side wall upper part be provided with water sample inlet（23）, the water sample inlet（23）With peristaltic pump（10）
Outlet be connected；
The magnetic stir bar（22）It is built in extraction flask（21）, extraction flask（21）Lower section drive magnetic stir bar is installed
（22）The motor of rotation（221）, the motor（221）It is provided with and magnetic stir bar（22）The magnet being engaged；
The solvent feed tube（24）Lower end pass through top pressure closure（28）, stretch into extraction flask（21）Interior, upper end is led to electromagnetism more
Valve（30）Valve port D be connected；Electromagnetism multiple-way valve（30）Valve port A and extractant volumetric flask（61）It is connected；
The breather pipe（25）It is installed on top pressure closure（28）Or extraction flask（21）Side wall upper part；
The extract drain pipe（26）It is installed on extraction flask（21）Bottom or side wall bottom end, with electromagnetism multiple-way valve（30）
Valve port C be connected.
2. flow circuit device according to claim 1, it is characterised in that：The flow circuit device also includes a separating pipe（27）,
The separating pipe（27）Side wall bottom end be provided with inlet（271）And liquid outlet（272）, the inlet（271）With extraction
Bottle（21）Extract drain pipe（26）It is connected, the extract drain pipe（26）It is provided with pinch valve；The liquid outlet
（272）With electromagnetism multiple-way valve（30）Valve port C be connected.
3. flow circuit device according to claim 2, it is characterised in that：The separating pipe（27）Liquid outlet（271）With electricity
Magnetic multiple-way valve（30）Valve port C between, be sequentially provided with the first filter（71）With with except moisture film the second filter（72）.
4. flow circuit device according to claim 2, it is characterised in that：The separating pipe（27）Bottom, be additionally provided with a band
There is the waste liquid discharging tube of pinch valve（29b）.
5. flow circuit device according to claim 2, it is characterised in that：The separating pipe（27）For transparent configuration.
6. flow circuit device according to claim 1, it is characterised in that：The extract drain pipe（26）With electromagnetism multiple-way valve
（30）Valve port C between, be sequentially provided with the first filter（71）With with except moisture film the second filter（72）.
7. flow circuit device according to claim 1, it is characterised in that：The extraction flask（21）Side wall bottom end, also set
There is a waste liquid discharging tube with pinch valve（29a）.
8. flow circuit device according to claim 1 and 2, it is characterised in that：The extraction flask（21）For transparent configuration.
9. flow circuit device according to claim 1 and 2, it is characterised in that：The automatic injection pump（40）It is provided with liquid level
Sensor.
10. a kind of online oil content analyzer, including the flow circuit device any one of claim 1 to 9, detection means（50）With oneself
Autocontrol system, the electromagnetism multiple-way valve of the flow circuit device（40）Valve port E and detection means（50）It is connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610944099.XA CN106526208B (en) | 2016-10-26 | 2016-10-26 | A kind of flow circuit device and the online oil content analyzer using the flow circuit device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610944099.XA CN106526208B (en) | 2016-10-26 | 2016-10-26 | A kind of flow circuit device and the online oil content analyzer using the flow circuit device |
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| CN106526208B CN106526208B (en) | 2019-03-29 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109110856A (en) * | 2018-11-02 | 2019-01-01 | 上海昂林科学仪器股份有限公司 | Oils auto extractive system and analysis system in a kind of water |
| CN109444367A (en) * | 2018-12-06 | 2019-03-08 | 宁波然诺科学仪器有限公司 | The flow path system of petroleum, animals and plants oil content in a kind of all automatic measurement water |
| CN109520955A (en) * | 2018-12-11 | 2019-03-26 | 泰安市科瑞光学仪器有限公司 | A kind of ultraviolet spectrometry oil content analyzer and its application method |
| CN109752563A (en) * | 2019-03-18 | 2019-05-14 | 青岛埃仑色谱科技有限公司 | Multiple extraction type full-automatic infrared light splitting oil content analyzer, detection method and bearing calibration |
| CN112730295A (en) * | 2021-03-08 | 2021-04-30 | 上海昂林科学仪器股份有限公司 | Full-automatic portable ultraviolet oil measurement device and oil measurement method |
| CN113908683A (en) * | 2021-12-14 | 2022-01-11 | 东营联合石化有限责任公司 | Liquefied petroleum gas desulphurization device |
| CN118624352A (en) * | 2024-05-28 | 2024-09-10 | 北京安捷通用科技有限公司 | Automatic sampling extraction and separation component and oil concentration analyzer using the same |
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