CN209098240U - Oils auto extractive system and analysis system in a kind of water - Google Patents
Oils auto extractive system and analysis system in a kind of water Download PDFInfo
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- CN209098240U CN209098240U CN201821796004.5U CN201821796004U CN209098240U CN 209098240 U CN209098240 U CN 209098240U CN 201821796004 U CN201821796004 U CN 201821796004U CN 209098240 U CN209098240 U CN 209098240U
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Abstract
The utility model discloses oils auto extractive system and analysis systems in a kind of water, the analysis system includes the extracting system, which includes extractant injection device, extraction liquid transfer device, blender, extraction container, separation vessel and range sensor；Extractant injection device is used to from extraction agent container extract extractant to extraction container；Blender is used to stir the water sample and extractant to be extracted in extraction container；Extraction liquid transfer device is used for from the extract liquor containing part water after static layering after absorption stirring in extraction container and the extract liquor containing part water is transferred in separation vessel, the sectional area of separation vessel is less than the sectional area of extraction container, and separation vessel is used to increase the height of extraction liquid layer；Range sensor is located on extraction container, for detecting the interfacial level of extract liquor.The utility model solves the problems, such as that the poisonous and harmful reagent of direct body contact, large labor intensity, measurement result consistent degree are poor.
Description
Technical field
The utility model relates to oils measurement of concetration technical fields in water, more particularly to oils auto extractive in a kind of water
System and analysis system.
Background technique
Extracting operation is that have different solubility to operate come the unit of separating mixture in solvent and water using component.
Using substance in water and solubility or the difference of distribution coefficient in solvent, solute substance is made to be transferred to another solvent from water
In method.Usually using separatory funnel.Solvent is different from the specific gravity of water, and water and solvent are layered by gravity after extraction, such as
Fruit solvent specific gravity is smaller than water then on the upper layer of water, and solvent is below water if solvent specific gravity is bigger than water.Liquid separation hand-manipulated
When funnel, need that manually water and solvent are added in separatory funnel, left hand holds the cock screwed, and the right hand holds filler cap, double
Hand vibrates several minutes, is sufficiently mixed solvent with water, Cucumber in water is extracted into solvent.Separatory funnel is placed vertically
Static layering on iron stand.
In manual extracting operation, using separatory funnel, reagent and water are dosed by hand, by hand several minutes of oscillation, then will divided
Liquid funnel is placed in static layering on iron stand, and candidate agent bleeds off lower water (if reagent is smaller than the specific gravity of water) with after water stratification,
Reagent is collected again and is used to measure.Manual operations needs to dose reagent by hand, is exposed to reagent among the air of operation,
And organic solvent is mostly volatile substance, there is different degrees of injury to human body.The intensity vibrated by hand is larger, continuous to shake
Swing 3 minutes it is laborious, and once vibrate ten or more water samples, the intensity of labour is very big.Manually operated error is larger,
It is difficult to keep consistent oscillation dynamics, time and the frequency between each sample, influences the dissolution degree of component in a solvent.
To sum up, manual extracting operation not can avoid the poisonous and harmful reagent of direct body contact, have injury to human body；Labour is strong
Degree is big, and the consistent degree operated is poor.
Utility model content
It is straight to avoid human body the purpose of the utility model is to provide oils auto extractive system and analysis system in a kind of water
Poisonous and harmful reagent is contacted, solves the problems, such as to have human body injury large labor intensity and the consistent degree of operation is poor.
To achieve the above object, the utility model provides oils auto extractive system in a kind of water, the system comprises
Extractant injection device, extraction liquid transfer device, blender, extraction container, separation vessel and range sensor；
The extractant injection device includes inlet tube and going out in the extraction container in extraction agent container
Liquid pipe, the extractant injection device are used to extract extractant from the extraction agent container to the extraction container, the extraction
Extracting container is used to contain the mixed liquor of the water sample and extractant to be extracted in water sample and extraction process to be extracted before extraction；
The blender is used to stir the water sample and extractant to be extracted in the extraction container；
The extraction liquid transfer device includes the pipette in the extraction container and is set in the separation vessel
Drain pipe, the extraction liquid transfer device is used to contain part after static layering after drawing stirring in the extraction container
The extract liquor containing part water is simultaneously transferred in the separation vessel, the sectional area of the separation vessel by the extract liquor of water
Less than the sectional area of the extraction container, the separation vessel is used to increase the overall height of extract liquor, to be separated from water；
The range sensor is located on the extraction container, for detecting the interfacial level of the extract liquor and water.
Optionally, the extractant injection device further includes a multiple-way valve and syringe, and the multiple-way valve includes a multi-pass
Mouthful and at least two single-pass mouths, the syringe is connected to the multiport, and the inlet tube is connected to a single-pass mouth, it is described out
Liquid pipe is connected to another single-pass mouth, and the syringe extracts institute by the multiport and the single-pass mouth being connected to the inlet tube
Extractant is stated, the extractant enters the extraction container by the single-pass mouth being connected to the outlet tube and the outlet tube
In.
Optionally, the blender includes stirring-head, driving motor and the mobile dress of stirring-head connecting with the stirring-head
It sets, the driving motor is connect with the stirring-head, and the driving motor controls the revolving speed of the stirring-head；The stirring-head moves
Dynamic device controls the movement that the stirring-head does up, down, left, right, before and after or 360 degree of rotations, realizes stirring-head by an institute
It states extraction container and is moved to another extraction container.
Optionally, the extraction liquid transfer device further includes set on the wriggling between the pipette and the drain pipe
Pump, the peristaltic pump are used to shift the extract liquor containing part water after static layering after absorption stirring in the extraction container
To in the separation vessel.
Optionally, the system also includes cleaning device, the cleaning device includes the water pipe connecting with pure water storage tank,
The nozzle of water pump and outlet pipe on the water pipe, the outlet pipe is located in the extraction container.
Optionally, the separation vessel includes separating pipe, set on the waste liquid discharge pipe of the separation bottom of the tube and set on institute
State the snorkel at the top of separating pipe, the waste liquid discharge pipe is equipped with pinch valve, and the snorkel is equipped with breather valve, and described point
The through-hole for being inserted into the drain pipe is equipped with from tube top portion.
The utility model additionally provides oils automatic analysis system in a kind of water, and the analysis system includes in above-mentioned water
Oils auto extractive system, the analysis system further include extraction fluid catheter, cuvette, multiple-way valve, syringe and control liquid；
The multiple-way valve includes a multiport connecting with the syringe and multiple single-pass mouths, the extraction fluid catheter
One end connect with the first single-pass mouth, it is described extraction fluid catheter the other end be set to separation vessel in；The cuvette passes through company
Adapter tube is connect with the second single-pass mouth, and a suction pipe being connected to third single-pass mouth is equipped in the control liquid；In the separation vessel
Extract liquor by the extraction fluid catheter through the first single-pass mouth and the second single-pass mouth into the cuvette, institute
Cuvette is stated for measuring the concentration of oils in the extract liquor.
Optionally, the analysis system further includes the first magnesium silicate column being connected to the 4th single-pass mouth and the 5th single-pass mouth
Second magnesium silicate column of connection, the magnesium silicate column is for the vegetable and animals oils in sorption extraction liquid；The first magnesium silicate column, institute
The second magnesium silicate column, the cuvette is stated to be connected to the connecting tube by a four-way.
Optionally, the analysis system further includes that the air connecting with the 6th single-pass mouth enters pipe, on the separation vessel
Snorkel is connected to the 7th single-pass mouth, air by the air enter the 6th single-pass mouth and the 7th single-pass mouth described in Guan Jing and
The snorkel enters in the separation vessel, and the air is also used to empty the liquid in pipeline.
Optionally, liquid level sensor is additionally provided on the syringe, the liquid level sensor is for detecting the syringe
The liquid level for the liquid collected.
According to specific embodiment provided by the utility model, the utility model discloses following technical effects:
1, the utility model is automatically injected extractant by extractant injection device, avoids manual operations and needs to fill out by hand
Solubilizer is exposed to reagent among the air of operation, and organic solvent is mostly volatile substance, the difference caused by human body
The injury of degree ensure that human body from the injury of chemical reagent to greatest extent.
2, the utility model realizes stirring by blender automatically, and stirring extent, the time is consistent with frequency, avoids craft
The labor intensity of oscillation is larger, and manually operated error is larger, and be relatively hard to keep consistent oscillation dynamics, time between each sample
And the problem of frequency, the precision of measurement is improved indirectly.
3, the utility model using separation vessel sectional area be less than extraction container sectional area separation vessel, using point
Secondary separation is carried out from container, not only makes to extract height of liquid layer increase, separating effect is more preferable.Water sample containing impurity such as silts,
Even the volume of its impurity is greater than the volume of solvent, and when pipetting extract liquor automatically, impurity can make the automations such as syringe, valve
Part blocking, can not continuous operation.Separation vessel solves the lamination problem of the water sample more than impurity, keeps solvent, water and impurity automatic
It separates and is easy to be transferred to and carry out measurement of concetration in analysis system.
4, the utility model detects the height of the interface of the extract liquor and water using range sensor, solves extraction
Liquor ratio is less than the separation problem that water and extract liquor specific gravity are greater than water again, and for volume of water sample variation also can automatic identification, because
And it can accurately take out extract liquor and measure.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structure provided by the embodiment of the utility model containing the analysis system of oils auto extractive system in water
Figure；
Fig. 2 is the structure of extract liquor provided by the embodiment of the utility model extraction container having a specific gravity smaller than that of water and separation vessel
Schematic diagram；
Fig. 3 is that extract liquor specific gravity provided by the embodiment of the utility model is greater than the extraction container of water and the structure of separation vessel
Schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
As shown in figure 1 shown in dotted line frame inner part, oils auto extractive system in water provided in this embodiment, the system packet
Include extractant injection device 1, extraction liquid transfer device 2, blender 3, extraction container 4, separation vessel 5 and range sensor 6.
Wherein, the extractant injection device 1 includes being set to inlet tube 11 in extraction agent container 10 and being set to the extraction
Outlet tube 12 in container 4, the extractant injection device 1 are used for from the extraction agent container 10 extraction extractant to described
Extraction container 4, the extraction container 4 are used to contain water sample to be extracted and extraction in water sample and extraction process to be extracted before extraction
Take the mixed liquor of agent.
In the present embodiment, realize be automatically injected extractant structure can also include a multiple-way valve 13 and syringe 14,
The multiple-way valve 13 includes a multiport 131 and at least two single-pass mouth 132-139, the syringe 14 and the multiport
131 connections, the inlet tube 11 are connected to a single-pass mouth 132, and the outlet tube 12 is connected to another single-pass mouth 139, the note
Emitter 14 extracts the extractant, the extraction by the multiport 131 and the single-pass mouth 132 being connected to the inlet tube 11
Agent is entered in the extraction container 4 by the single-pass mouth 139 and the outlet tube 12 being connected to the outlet tube 12.Certainly, such as
This extracting system of fruit only relates to extraction process, then for peristaltic pump and can also connect the structure setting for being automatically injected extractant
It is connected to the structure of the pipeline at peristaltic pump both ends, the simple injection for realizing extractant.Certainly other complicated realizations be can also be
The structure of extractant injection.
The blender 3 is used to stir the water sample and extractant to be extracted in the extraction container 4.In the present embodiment,
The blender 3 include stirring-head 31, driving motor 32 and the stirring head moving device being connect with the stirring-head 31 (in figure not
Show), the driving motor 32 is connect with the stirring-head 31, and the driving motor 32 controls the revolving speed of the stirring-head 31；
The stirring head moving device controls the movement that the stirring-head 31 does up, down, left, right, before and after or 360 degree rotation, and realization is stirred
It mixes first 31 and another extraction container 4 is moved to by an extraction container 4.The blender 3 can be by extraction container 4
Position is mobile, saves extraction time, it is, of course, also possible to realize stirring not intermittently by the implementation of mobile extraction container 4
Head moving device is stirred in process, removal appropriate.
The extraction liquid transfer device 2 includes the pipette 21 in the extraction container 4 and holds set on the separation
Drain pipe 22 in device 5, the extraction liquid transfer device 2 are used for after static layering after absorption stirring in the extraction container 4
The extract liquor containing part water and the extract liquor containing part water is transferred in the separation vessel 5, the separation
The sectional area of container 5 is less than the sectional area of the extraction container 4, and the separation vessel 5 is used to increase the overall high of extraction liquid layer
Degree.In the present embodiment, the extraction liquid transfer device 2 further includes being set between the pipette 21 and the drain pipe 22
Peristaltic pump 23, the peristaltic pump 23 be used for by drawn in the extraction container 4 after stirring after static layering containing part water
Extract liquor is transferred in the separation vessel 5.The separation vessel 5 includes separating pipe 51, set on 51 bottom of separating pipe
Waste liquid discharge pipe 52 and the snorkel 53 at the top of the separating pipe 52, the waste liquid discharge pipe 52 are equipped with pinch valve 54,
The snorkel 53 is equipped with breather valve 55, and the through-hole for being inserted into the drain pipe 22 is equipped at the top of the separating pipe 51.
It by the sectional area that the sectional area of separation vessel 5 is set smaller than extraction container 4 is to extract in the utility model
When liquid being taken to be transferred in separation vessel 5, liquid level of the extract liquor of same volume in separation vessel 5 is higher than in extraction container
Liquid level in 4.Such as: extraction container 4 is the measuring cup that a diameter is about 100 millimeters, in wherein 25 milliliters of extract liquor
Liquid level is 3.18 millimeters；And separation vessel 5 is about 25 millimeters of cylindrical cups of a diameter, then in wherein 25 milliliters of extract liquors
Liquid level is 51 millimeters, is easier to be separated from water out extract liquor in this way.
As shown in Fig. 2, Fig. 2 is the case where oils utilizes n-hexane extraction in surface water, the side of oils in surface water is measured
Method is ultraviolet method, is extractant with n-hexane.Because n-hexane specific gravity is smaller than water bubble through the water column on, but water when because of actual measurement
Volume is uncertain, so the height of extraction liquid layer and the interface of extraction liquid layer and water layer are measured with ultrasonic sensor 6, thus
It is automatically lowered pipette 21 in extraction liquid layer, is transferred in separating pipe 51 by peristaltic pump 23, due to 51 sectional area of separating pipe
Smaller, the height for extracting liquid layer increases, and separating effect is preferable.Then solvent is extracted into ultraviolet light with automatic injector 14 again
It is measured in cuvette 8 in degree meter.
As shown in figure 3, the case where Fig. 3 is extracted for the oils in sewage using tetrachloro-ethylene, measures the oils in sewage
Method is infrared method, is extractant with tetrachloro-ethylene, and specific gravity is bigger than water.It is sunken to water sample bottom because tetrachloro-ethylene specific gravity is larger,
The impurity such as silt also sink to bottom in water sample.Extract liquor, silt and part water are passed through 23 turns of peristaltic pump from bottom by pipette 21
It moves on in separating pipe 51.Equally obviously increase the height for extracting liquid layer because 51 sectional area of separating pipe is small, extract liquor and silt,
The separating effect of water is fine, is easy to directly siphon away extract liquor from 51 bottom of separating pipe with automatic injector 14, is injected into infrared
It is measured in photometric cuvette 8.
Extract liquor is accurately shifted for the ease of extraction liquid transfer device, the range sensor 6 is set to the extraction
On container 4, for detecting the interface of the extract liquor and water.When needing to shift the extract liquor in separation vessel 5,
Range sensor 6 is set on separation vessel 5.The range sensor 6 is ultrasonic sensor.
The extracting system further includes cleaning device 7, and the cleaning device 7 includes connecting with tap water container 71
The nozzle of water pipe 72, water pump 73 and outlet pipe 74 on the water pipe 72, the outlet pipe 74 is located at the extraction container
In 4.
To sum up, the present embodiment can add automatically extractant, automatic identification liquid level, auto extractive, be automatically separated, automatically
Shift solvent.Make manually to add extractant, extraction, separation and etc. full automation.Injury of the solvent to human body is avoided, is reduced
Labor intensity, improves the precision of measurement of concetration indirectly.
As shown in Figure 1, oils automatic analysis system includes oil in water in above-described embodiment in water provided in this embodiment
Class auto extractive system further includes extraction fluid catheter 56, cuvette 8, multiple-way valve 13, syringe 14 and control liquid 9；
The multiple-way valve 13 includes a multiport 131 connecting with the syringe 14 and multiple single-pass mouth 132-139,
One end of the extraction fluid catheter 56 is connect with the first single-pass mouth 133, and the other end of the extraction fluid catheter 56, which is set to separation, to be held
In device 5；The cuvette 8 is connect by connecting tube 83 with the second single-pass mouth 135, is equipped with one and third list in the control liquid 9
The suction pipe 91 that port 138 is connected to；Extract liquor in the separation vessel 5 is by the extraction fluid catheter 56 through first single-pass
Mouth 133 and the second single-pass mouth 135 enter in the cuvette 8, and the cuvette 8 is for measuring oils in the extract liquor
Concentration.
The analysis system further includes that the first magnesium silicate column 81 being connected to the 4th single-pass mouth 134 and the 5th single-pass mouth 137 connect
The second logical magnesium silicate column 82, the first magnesium silicate column 81, the second magnesium silicate column 82, the cuvette 8 and the company
Adapter tube 83 is connected to by a four-way valve 84.
The analysis system further includes that the air connecting with the 6th single-pass mouth 136 enters pipe, the ventilation on the separation vessel 5
Pipe 53 is connected to the 7th single-pass mouth (not shown), and air enters the 6th single-pass mouth 136 and institute described in Guan Jing by the air
It states the 7th single-pass mouth and the snorkel 53 enters in the separation vessel 5, the air is also used to empty the liquid in pipeline
Body.
In order to detect whether the amount of storage for the liquid being extracted meets amount to be extracted, liquid level is equipped on the syringe 14
Sensor 141, the liquid level sensor 141 are used to detect the liquid level for the liquid that the syringe 14 is collected.
Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Explanation be merely used to help understand the method and its core concept of the utility model；Meanwhile for the general technology of this field
Personnel, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.In conclusion
The content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. oils auto extractive system in a kind of water, which is characterized in that the system comprises extractant injection device, extract liquors to turn
Moving device, blender, extraction container, separation vessel and range sensor；
The extractant injection device includes being set to inlet tube and the outlet tube in the extraction container in extraction agent container,
The extractant injection device is used to extract extractant from the extraction agent container to the extraction container, the extraction container
For containing the mixed liquor of water sample and extractant to be extracted in the water sample and extraction process to be extracted before extracting；
The blender is used to stir the water sample and extractant to be extracted in the extraction container；
The extraction liquid transfer device includes the pipette in the extraction container and the row in the separation vessel
Liquid pipe, the extraction liquid transfer device be used for after drawing stirring in the extraction container after static layering containing part water
The extract liquor containing part water is simultaneously transferred in the separation vessel by extract liquor, and the sectional area of the separation vessel is less than
The sectional area of the extraction container, the separation vessel is used to increase the overall height of extract liquor, to be separated from water；
The range sensor is located on the extraction container and the separation vessel, for detecting the boundary of the extract liquor and water
Face height.
2. oils auto extractive system in water according to claim 1, which is characterized in that the extractant injection device is also
Including a multiple-way valve and syringe, the multiple-way valve include a multiport and at least two single-pass mouths, the syringe with it is described
Multiport connection, the inlet tube are connected to a single-pass mouth, and the outlet tube is connected to another single-pass mouth, and the syringe passes through
The multiport and the single-pass mouth being connected to the inlet tube extract the extractant, the extractant by with the outlet tube
The single-pass mouth and the outlet tube of connection enter in the extraction container.
3. oils auto extractive system in water according to claim 1, which is characterized in that the blender includes stirring
Head, driving motor and the stirring head moving device connecting with the stirring-head, the driving motor are connect with the stirring-head, institute
State the revolving speed that driving motor controls the stirring-head；The stirring head moving device control the stirring-head do upper and lower, left and right,
Forward and backward or 360 degree rotation movement realizes that stirring-head is moved to another extraction container by an extraction container.
4. oils auto extractive system in water according to claim 1, which is characterized in that the extraction liquid transfer device is also
Including the peristaltic pump being set between the pipette and the drain pipe, the peristaltic pump in the extraction container for will draw
The extract liquor containing part water after stirring after static layering is transferred in the separation vessel.
5. oils auto extractive system in water according to claim 1, which is characterized in that the system also includes cleanings to fill
It sets, the cleaning device includes the water pipe connecting with tap water container, and water pump and outlet pipe on the water pipe are described
The nozzle of outlet pipe is located in the extraction container.
6. oils auto extractive system in water according to claim 1, which is characterized in that the separation vessel includes separation
Pipe, the waste liquid discharge pipe set on the separation bottom of the tube and the snorkel at the top of the separating pipe, the waste liquid discharge pipe
It is equipped with pinch valve, the snorkel is equipped with breather valve, is equipped at the top of the separating pipe for being inserted into the logical of the drain pipe
Hole.
7. oils automatic analysis system in a kind of water, which is characterized in that the analysis system includes such as any one of claim 1-6
Oils auto extractive system in the water, the analysis system further include extraction fluid catheter, cuvette, multiple-way valve, syringe
And control liquid；
The multiple-way valve includes a multiport connecting with the syringe and multiple single-pass mouths, and the one of the extraction fluid catheter
End is connect with the first single-pass mouth, and the other end of the extraction fluid catheter is set in separation vessel；The cuvette passes through connecting tube
It is connect with the second single-pass mouth, a suction pipe being connected to third single-pass mouth is equipped in the control liquid；Extraction in the separation vessel
Liquid is taken to enter in the cuvette by the extraction fluid catheter through the first single-pass mouth and the second single-pass mouth, the ratio
Color ware is used to measure the concentration of oils in the extract liquor.
8. oils automatic analysis system in water according to claim 7, which is characterized in that the analysis system further include with
First magnesium silicate column of the 4th single-pass mouth connection, the second magnesium silicate column being connected to the 5th single-pass mouth, the magnesium silicate column are used for
Vegetable and animals oils in sorption extraction liquid；The first magnesium silicate column, the second magnesium silicate column, the cuvette and the connection
Pipe is connected to by a four-way.
9. oils automatic analysis system in water according to claim 7, which is characterized in that the analysis system further include with
The air of 6th single-pass mouth connection enters pipe, and the snorkel on the separation vessel is connected to the 7th single-pass mouth, and air passes through described
Air enters the 6th single-pass mouth and the 7th single-pass mouth and the snorkel described in Guan Jing and enters in the separation vessel, the sky
Gas is also used to empty the liquid in pipeline.
10. oils automatic analysis system in water according to claim 7, which is characterized in that be additionally provided on the syringe
Liquid level sensor, the liquid level sensor are used to detect the liquid level for the liquid that the syringe is collected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821796004.5U CN209098240U (en) | 2018-11-02 | 2018-11-02 | Oils auto extractive system and analysis system in a kind of water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821796004.5U CN209098240U (en) | 2018-11-02 | 2018-11-02 | Oils auto extractive system and analysis system in a kind of water |
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| CN209098240U true CN209098240U (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821796004.5U Withdrawn - After Issue CN209098240U (en) | 2018-11-02 | 2018-11-02 | Oils auto extractive system and analysis system in a kind of water |
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Cited By (1)
| 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 |
-
2018
- 2018-11-02 CN CN201821796004.5U patent/CN209098240U/en not_active Withdrawn - After Issue
Cited By (2)
| 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 |
| CN109110856B (en) * | 2018-11-02 | 2023-07-21 | 上海昂林科学仪器股份有限公司 | Automatic extraction system and analysis system for oil in water |
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