CN207764121U - The device of silicon concentration in a kind of measurement ternary combination flooding extraction sewage - Google Patents
The device of silicon concentration in a kind of measurement ternary combination flooding extraction sewage Download PDFInfo
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- CN207764121U CN207764121U CN201820019403.4U CN201820019403U CN207764121U CN 207764121 U CN207764121 U CN 207764121U CN 201820019403 U CN201820019403 U CN 201820019403U CN 207764121 U CN207764121 U CN 207764121U
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Abstract
The utility model provides a kind of device measuring silicon concentration in ternary combination flooding extraction sewage.The device of silicon concentration includes automatic centrifuge, auto extractive device, automatic spectrophotometer, current divider, collecting tank and computer in the measurement ternary combination flooding extraction sewage；Automatic centrifuge, auto extractive device, automatic spectrophotometer are electrically connected with computer respectively；Current divider is connected with collecting tank；The first outlet of auto extractive device, second outlet, third outlet are connected with the import of current divider respectively, and the first outlet of auto extractive device, second outlet, third outlet are each provided with closer between the import of current divider respectively；The sampling pump of automatic centrifuge is connected with the feed inlet of auto extractive device.The device of silicon concentration passes through a series of improvement to equipment in the measurement ternary combination flooding extraction sewage of the utility model, the interference of dirty impurities in water can be eliminated to greatest extent, the silicon concentration in produced fluids during asp-flooding can be measured incessantly on a large scale, reduce cost of labor.
Description
Technical field
The utility model is related to a kind of devices of silicon concentration in measurement ternary combination flooding extraction sewage, belong to tertiary oil recovery skill
Art field.
Background technology
During ternary composite driving note is adopted, the silicic acid in water can be converted into poly silicic acid, Silica hydrogel, amorphous silica
Equal multi-products.Silicic acid and its converted product can cause suspended solid in water exceeded, stratum, pit shaft and pipeline scaling, give oil field
Production brings adverse effect.Therefore, the silicone content in Accurate Determining ternary composite flooding water extraction is very necessary.
The method for measuring silicon concentration at present mainly has gravimetric method, spectrophotometry (silicon molybdenum blue or molybdenum yellow), ICP method, original
Sub- absorption process etc..But expensive equipment, complicated for operation, detectable concentration are limited in scope, disturbing factor difficulty removal etc. due to, it is more
The use of counting method is restricted, and spectrophotometry is easy to operate is more suitable for Oil Field application.
In the prior art, there are no set of devices, can only manually be carried out from separation, the angle multi-step detected, also
Without continuous large-scale detection device, the transfer without step will expend energy, also can not effectively remove dry
Disturb the device of factor.
Utility model content
In view of the problems of the above-mentioned prior art, the purpose of this utility model is to provide a kind of measurement ternary composite driving and adopts
Go out the device of silicon concentration in sewage, interference of the magazine to test result in sewage can be eliminated, can survey incessantly on a large scale
Determine the silicon concentration in ternary combination flooding extraction sewage, reduces cost of labor.
The purpose of this utility model is achieved by the following technical programs：
The device of silicon concentration in a kind of measurement ternary combination flooding extraction sewage, silicon in the measurement ternary combination flooding extraction sewage
The device of concentration includes automatic centrifuge, auto extractive device, automatic spectrophotometer, current divider, collecting tank and computer；
The automatic centrifuge, auto extractive device, automatic spectrophotometer are electrically connected with computer respectively；
The automatic centrifuge includes the first babinet, probe tube, opposed shaft, holder, auxiliary box body and rotating shaft electric motor；
First babinet is flexibly connected by opposed shaft with the holder, the centripetal end of the opposed shaft with it is described
First babinet is fixed, and the centrifugation end of the opposed shaft is flexibly connected with the holder and under the drive of the rotating shaft electric motor
Along own axis；
The auxiliary box body is fixed at the bottom of first babinet, and the bottom of the auxiliary box body is to far from the first case
The direction taper outstanding of body bottom；
It is also set up inside the auxiliary box body there are one weighted spherical ball, the weighted spherical ball rolls in the auxiliary box body；
Turntable is provided in first babinet, the turntable lower part is provided at least four around the axisymmetrical of turntable
Centrifuge tube, the weight of the centrifuge tube is consistent, and the axis of the axis of the centrifuge tube and the turntable is in 30 degree or more of folder
Angle；
It is provided with support shaft in first babinet, the lower end of the support shaft connect with first babinet, institute
The upper end for stating support shaft is connect with the shaft core position of the turntable, at least one of the two connection relations are activity chain
It connects；
It is provided with feed pipe at the top of first babinet, wall, simultaneously of the feed pipe through first top of the box
It is fixedly connected with the wall at the top of first babinet by a bearing, the feed pipe turns in bearing inner ring around own axes
It is dynamic；It is fixedly connected at the bottom of the feed pipe and the shaft core position of the upper surface of the turntable；The lower part of the feed pipe is set
There is the mouth with centrifuge tube corresponding number, and is connected to corresponding centrifuge tube；The axis of the feed pipe, the axis of turntable, support
The axis of shaft is point-blank；
First top of the box is additionally provided with feed pipe motor, and the feed pipe is under the drive of the feed pipe motor
Rotation；
The probe tube is fixed in the feed pipe and extends in the centrifuge tube；Terminate in centrifugal operation
Afterwards, the probe tube is connected with sampling pump；
The extractor is the cylinder of end closure on one comprising the column body of upper end closure, folding retractable pipe and under
Cylinder, the length of column body: the extreme length of folding retractable pipe: the length of lower prop is 1: 1-2: 2；
Feed inlet is provided at the top of the column body, the lower part of the column body is provided with first outlet, the folding
Second outlet is provided on telescoping tube, the top of the lower prop is provided with third outlet；
The lateral wall of the column body lateral wall and lower prop is connected with a telescopic arm each other, and the telescopic arm is by stretching
Contracting motor drives；
A piston plate, the inner tubal wall of the peripheral wall of the piston plate and the lower prop are provided in the tube chamber of the lower prop
Sealing；The piston plate moves up and down in the tube chamber of the lower prop；The piston plate lower end is connected with a flexible mandril,
The flexible mandril pumps under the drive of main motor；
The first blender is provided at the top of the column body, first blender is stirred including the first agitating paddle and first
Motor is mixed, first agitating paddle is arranged in the tube chamber of the column body, and is driven by first stirring motor；The work
The second blender is provided on plug disk, second blender includes the second agitating paddle and the second stirring motor, and described second stirs
It mixes paddle to be arranged in the tube chamber of the lower prop, and is driven by second stirring motor；
The automatic spectrophotometer includes one second babinet, and at least one light source or light are provided in second babinet
Band, the cuvette of at least six, detector and driving motor；
The light source or light belt, detector, driving motor are electrically connected with computer respectively；The light source or light belt, colorimetric
The central point and detector of ware are in same level height；
The light source or light belt are separately positioned on the lateral both ends of the second babinet with detector, and the detector passes through one
Telescopic rod is connected with the driving motor, and the telescopic rod mutually hangs down with the wall opposite with the light source or light belt of the second babinet
Directly, and under the drive of driving motor relative to driving motor stretching motion is done；
On the wall of second babinet, the equal-height position of light source or light belt is provided with a shading guide rail, the telescopic rod exists
It reciprocatingly slides in the shading guide rail under the drive of the driving motor；
The cuvette is arranged on a transmission belt；There are one tapping to switch for the bottom setting of the cuvette, is opening
When tapping switchs, the bottom of cuvette is connected with the babinet external world；The tapping switch is electrically connected with computer；
The automatic spectrophotometer meter is additionally provided with a quantitative sample injection needle comprising needle tubing and quantitative electric pump, setting exist
The top of second babinet, the cuvette move to the lower section of sample introduction needle one by one driven by the conveyor belt；
The quantitative sample injection needle is connected with the current divider, is provided with the first valve between the two；
The current divider is connected with the collecting tank；The first outlet, second outlet, third outlet respectively with it is described
The import of current divider is connected, and the first outlet, second outlet, third outlet are each between the import of the current divider respectively
It is provided with closer；
The sampling pump is connected with the feed inlet.
Above-mentioned measures in ternary combination flooding extraction sewage in the device of silicon concentration, it is preferred that the automatic centrifuge is also
Including a pallet, the bottom in the lower section of the auxiliary box body, the holder is arranged in the pallet.
Above-mentioned measures in ternary combination flooding extraction sewage in the device of silicon concentration, it is preferred that the automatic centrifuge is also
Including a concussion motor, the concussion motor is arranged in the bottom of the babinet, and fits with the support shaft.
It is above-mentioned to measure in ternary combination flooding extraction sewage in the device of silicon concentration, it is preferred that the quantitative sample injection needle with
One standard items pond is connected, and is equipped with the second valve between the two.
Above-mentioned measures in ternary combination flooding extraction sewage in the device of silicon concentration, in automatic centrifuge, in centrifugal operation
When, feed pipe rotates under the drive of main motor, and main motor can control rotating speed.Feed pipe then drives turntable so that turntable
It rotates at a same speed, generates centrifugal effect, support shaft can be rotated and can not also be rotated, and primarily serve supporting wheel
Weight, and prevent its shaking.Probe tube is fixedly disposed in feed pipe and centrifuge tube, can be it is telescopic, with
Centrifugal operation rotates together.After centrifugal operation, probe tube is communicated with sampling pump, sampling.After sampling, feed inlet adds
Enter wash liquid flushing, then, rotating shaft electric motor rotates opposed shaft so that babinet is inverted, and residue is poured out.According to specific reality
Needs are applied, washing can be carried out repeatedly, i.e., repeatedly rinse, be inverted babinet, and concussion motor can be coordinated to clean up residue.
According to specific embodiment, in above-mentioned automatic centrifuge, the setting of weighted spherical ball can play the work of stable babinet
With preventing its shaking.The setting of the taper surface of babinet and auxiliary box body, can be well matched with weighted spherical ball, prevent the shaking of babinet.
And the setting of pallet can be used for holding residue；The setting of concussion motor can shake the residue adhered in centrifuge tube.
Above-mentioned measures in ternary combination flooding extraction sewage in the device of silicon concentration, and in auto extractive device, telescopic arm is by stretching
Contracting motor drives, and to drive being located remotely from each other between upper lower prop and close, that is, forces the flexible of folding retractable pipe.The folding
The structure of telescoping tube can enter the stretching structure of smoke exhaust pipe of range hood.
Above-mentioned measures in ternary combination flooding extraction sewage in the device of silicon concentration, in automatic spectrophotometer, the screening
Light guide rail is one lighttight bar of insertion in guide rail, can be moved in guide rail, with the movement of driving motor
And move, prevent light from being put by guide rail；Detector can detect the horizontal distance of cuvette and detector, to ensure left and right
Detecting distance it is consistent；Driving motor computer control according to detector return data to detector in the horizontal direction
On, it pair is finely adjusted with the fore-and-aft distance of cuvette, lateral deviation distance.
The protrusion effect of the utility model is：
The device of silicon concentration to a series of by setting in measurement ternary combination flooding extraction sewage provided by the utility model
Standby improvement, processing step of making rational planning for can eliminate interference of the dirty impurities in water to molybdenum yellow chromogenic reaction, energy to greatest extent
Enough extensive silicon concentrations measured incessantly in ternary combination flooding extraction sewage, reduce cost of labor.
Description of the drawings
Fig. 1 is the structural schematic diagram that embodiment measures the device of silicon concentration in ternary combination flooding extraction sewage.
Specific implementation mode
The method of the utility model is illustrated below by specific embodiment, so that technical solutions of the utility model are more
It should be readily appreciated that, grasp, but the utility model is not limited thereto.Experimental method described in following embodiments, unless otherwise specified,
It is conventional method；The reagent and material commercially obtain unless otherwise specified.
Embodiment
The present embodiment provides a kind of devices of silicon concentration in measurement ternary combination flooding extraction sewage, as shown in Figure 1, the measurement
The device of silicon concentration includes automatic centrifuge, auto extractive device, automatic spectrophotometer, shunting in ternary combination flooding extraction sewage
Device 301, collecting tank 315 and computer 316；
The automatic centrifuge, auto extractive device, automatic spectrophotometer are electrically connected with computer 316 respectively；
The automatic centrifuge includes the first babinet 114, probe tube 104, opposed shaft 107, holder 115, auxiliary box body 111
With rotating shaft electric motor 108；
First babinet 114 is flexibly connected by opposed shaft 107 with the holder 115, the opposed shaft 107
Centripetal end and first babinet 114 are fixed, the centrifugation end of the opposed shaft 107 be flexibly connected with the holder 115 and
Along own axis under the drive of the rotating shaft electric motor 108；
The auxiliary box body 111 is fixed at the bottom of first babinet 114, the bottom of the auxiliary box body 111 be to
Direction taper outstanding far from 114 bottom of the first babinet；
Weighted spherical ball 112 there are one being also set up inside the auxiliary box body 111, the weighted spherical ball 112 is in the auxiliary box body 111
It rolls；
Turntable 102 is provided in first babinet 114,102 lower part of the turntable is set around the axisymmetrical of turntable 102
It is equipped with the centrifuge tube 101 of at least four, the weight of the centrifuge tube 101 is consistent, the axis of the centrifuge tube 101 and the turntable
102 axis is in 30 degree or more of angle；
Support shaft 109, the lower end of the support shaft 109 and first case are provided in first babinet 114
The connection of body 114, the upper end for supporting shaft 109 are connect with the shaft core position of the turntable 102, in the two connection relations
At least one is active link；
The top of first babinet 114 is provided with feed pipe 103, and the feed pipe 103 runs through first babinet 114
The wall at top is simultaneously fixedly connected by a bearing with the wall at the top of first babinet 114, and the feed pipe 103 is in axis
Hold interior circular own axis；It is fixed at the bottom of the feed pipe 103 and the shaft core position of the upper surface of the turntable 102
Connection；The lower part of the feed pipe 103 is equipped with the mouth with 101 corresponding number of centrifuge tube, and is connected to corresponding centrifuge tube 101；
The axis of the feed pipe, supports the axis of shaft point-blank at the axis of turntable；
First babinet, 114 top is additionally provided with feed pipe motor 106, and the feed pipe 103 is in feed pipe electricity
It is rotated under the drive of machine 106；
The probe tube 104 is fixed in the feed pipe 103 and extends in the centrifuge tube 101；It is centrifuging
After operation, the probe tube 104 is connected with sampling pump 105；
The automatic centrifuge further includes a pallet 113 and a concussion motor 110, and the pallet 113 is arranged in institute
State the lower section of auxiliary box body 111, the bottom of the holder 115；The concussion motor 110 is arranged in the bottom of the babinet 114, and
It fits with the support shaft 109.
The extractor is the cylinder of end closure on one comprising the column body of upper end closure, 206 and of folding retractable pipe
Lower prop, the length of column body: the extreme length of folding retractable pipe 206: the length of lower prop is 1: 1-2: 2；
Feed inlet 201 is provided at the top of the column body, the lower part of the column body is provided with first outlet 204, institute
It states and is provided with second outlet 205 on folding retractable pipe 206, the top of the lower prop is provided with third outlet 207；
The lateral wall of the column body lateral wall and lower prop is connected with a telescopic arm 208, the telescopic arm each other
208 are driven by telescope motor 209；
A piston plate 213, the peripheral wall of the piston plate 213 and the lower prop are provided in the tube chamber of the lower prop
Inner tubal wall seals；The piston plate 213 moves up and down in the tube chamber of the lower prop；213 lower end of the piston plate is connected with
A piece flexible mandril 212, the flexible mandril 212 pump under the drive of main motor 214；
It is provided with the first blender at the top of the column body, first blender includes the first agitating paddle 203 and the
One stirring motor 202, first agitating paddle 203 are arranged in the tube chamber of the column body, and by first stirring motor
202 drive；The second blender is provided on the piston plate 213, second blender includes the second agitating paddle 210 and second
Stirring motor 211, second agitating paddle 210 are arranged in the tube chamber of the lower prop, and by second stirring motor 211
It drives；
The automatic spectrophotometer includes one second babinet, and at least one light source or light are provided in second babinet
Cuvette 308, detector 306 with 304, at least six and driving motor 307；
The light source or light belt 304, detector 306, driving motor 306 are electrically connected with computer 316 respectively；The light source
Or light belt 304, the central point of cuvette 308 and detector 306 are in same level height；
The light source or light belt 304 are separately positioned on the lateral both ends of the second babinet, the detector with detector 306
306 are connected by a telescopic rod 305 with the driving motor 307, the telescopic rod 305 and the second babinet with the light source
Or light belt 304 it is opposite wall it is perpendicular, and do stretching motion relative to driving motor 307 under the drive of driving motor 307；
On the wall of second babinet, the equal-height position of light source or light belt 304 is provided with a shading guide rail 343, it is described to stretch
Contracting bar 305 reciprocatingly slides under the drive of the driving motor 307 in the shading guide rail 343；
The cuvette 308 is arranged on a transmission belt 309；The bottom setting of the cuvette 308 is opened there are one tapping
312 are closed, when opening tapping switch 312, the bottom of cuvette 308 is connected with the babinet external world；The tapping switch 312 and electricity
Brain 316 is electrically connected；
The automatic spectrophotometer meter is additionally provided with a quantitative sample injection needle comprising needle tubing 302 and quantitative electric pump 303,
It is arranged at the top of second babinet, the cuvette 308 moves to quantitative sample injection needle one by one under the drive of conveyer belt 309
Lower section；
The quantitative sample injection needle is connected with the current divider 301, is provided with the first valve 314 between the two；It is described quantitative
Sample introduction needle is connected with a standard items pond 311, is equipped with the second valve 310 between the two；
The current divider 301 is connected with the collecting tank 315；The first outlet 204, second outlet 205, third go out
Mouth 207 is connected with the import of the current divider 301 respectively, the first outlet 204, second outlet 205, third outlet 207
Respectively closer is each provided between the import of the current divider 301；
The sampling pump 105 is connected with the feed inlet 201.
The device of silicon concentration passes through to a system in the measurement ternary combination flooding extraction sewage that the utility model embodiment provides
The improvement of row equipment, processing step of making rational planning for can eliminate dirty impurities in water and be done to molybdenum yellow chromogenic reaction to greatest extent
It disturbs, the silicon concentration in ternary combination flooding extraction sewage can be measured incessantly on a large scale, reduce cost of labor.
Claims (4)
1. a kind of device measuring silicon concentration in ternary combination flooding extraction sewage, it is characterised in that：The measurement ternary composite driving is adopted
The device for going out silicon concentration in sewage include automatic centrifuge, auto extractive device, automatic spectrophotometer, current divider, collecting tank and
Computer；
The automatic centrifuge, auto extractive device, automatic spectrophotometer are electrically connected with computer respectively；
The automatic centrifuge includes the first babinet, probe tube, opposed shaft, holder, auxiliary box body and rotating shaft electric motor；
First babinet is flexibly connected by opposed shaft with the holder, the centripetal end of the opposed shaft and described first
Babinet is fixed, the centrifugation end of the opposed shaft be flexibly connected with the holder and the drive lower edge of the rotating shaft electric motor from
Body axis rotate；
The auxiliary box body is fixed at the bottom of first babinet, and the bottom of the auxiliary box body is to far from the first babinet bottom
The direction taper outstanding in portion；
It is also set up inside the auxiliary box body there are one weighted spherical ball, the weighted spherical ball rolls in the auxiliary box body；
Be provided with turntable in first babinet, the turntable lower part around the axisymmetrical of turntable be provided at least four from
The weight of heart pipe, the centrifuge tube is consistent, and the axis of the axis of the centrifuge tube and the turntable is in 30 degree or more of angle；
It is provided with support shaft in first babinet, the lower end of the support shaft connect with first babinet, the branch
The upper end of support shaft is connect with the shaft core position of the turntable, at least one of the two connection relations are active link；
Feed pipe is provided at the top of first babinet, the feed pipe runs through the wall of first top of the box and passes through
One bearing is fixedly connected with the wall at the top of first babinet, and the feed pipe is in bearing inner ring around own axis；
It is fixedly connected at the bottom of the feed pipe and the shaft core position of the upper surface of the turntable；The lower part of the feed pipe be equipped with
The mouth of centrifuge tube corresponding number, and be connected to corresponding centrifuge tube；The axis of the feed pipe, the axis of turntable, support shaft
Axis point-blank；
First top of the box is additionally provided with feed pipe motor, and the feed pipe turns under the drive of the feed pipe motor
It is dynamic；
The probe tube is fixed in the feed pipe and extends in the centrifuge tube；After centrifugal operation, institute
Probe tube is stated with sampling pump to be connected；
The extractor is the cylinder of end closure on one comprising column body, folding retractable pipe and the lower prop of upper end closure,
The length of column body: the extreme length of folding retractable pipe: the length of lower prop is 1: 1-2: 2；
Feed inlet is provided at the top of the column body, the lower part of the column body is provided with first outlet, the folding retractable
Second outlet is provided on pipe, the top of the lower prop is provided with third outlet；
The lateral wall of the column body lateral wall and lower prop is connected with a telescopic arm each other, and the telescopic arm is by flexible electricity
Machine drives；
A piston plate is provided in the tube chamber of the lower prop, the peripheral wall of the piston plate and the inner tubal wall of the lower prop are close
Envelope；The piston plate moves up and down in the tube chamber of the lower prop；The piston plate lower end is connected with a flexible mandril, institute
Flexible mandril is stated to pump under the drive of main motor；
The first blender is provided at the top of the column body, first blender includes the first agitating paddle and the first stirring electricity
Machine, first agitating paddle are arranged in the tube chamber of the column body, and are driven by first stirring motor；The piston plate
On be provided with the second blender, second blender includes the second agitating paddle and the second stirring motor, second agitating paddle
It is arranged in the tube chamber of the lower prop, and is driven by second stirring motor；
The automatic spectrophotometer includes one second babinet, be provided in second babinet at least one light source or light belt,
The cuvette, detector and driving motor of at least six；
The light source or light belt, detector, driving motor are electrically connected with computer respectively；The light source or light belt, cuvette
Central point and detector are in same level height；
The light source or light belt are separately positioned on the lateral both ends of the second babinet with detector, and the detector is flexible by one
Bar is connected with the driving motor, and the telescopic rod and the wall opposite with the light source or light belt of the second babinet are perpendicular,
And stretching motion is done relative to driving motor under the drive of driving motor；
On the wall of second babinet, the equal-height position of light source or light belt is provided with a shading guide rail, the telescopic rod is described
It reciprocatingly slides in the shading guide rail under the drive of driving motor；
The cuvette is arranged on a transmission belt；There are one tapping to switch for the bottom setting of the cuvette, is opening tapping
When switch, the bottom of cuvette is connected with the babinet external world；The tapping switch is electrically connected with computer；
The automatic spectrophotometer meter is additionally provided with a quantitative sample injection needle comprising needle tubing and quantitative electric pump are arranged described
The top of second babinet, the cuvette move to the lower section of quantitative sample injection needle one by one driven by the conveyor belt；
The quantitative sample injection needle is connected with the current divider, is provided with the first valve between the two；
The current divider is connected with the collecting tank；The first outlet, second outlet, third outlet respectively with the shunting
The import of device is connected, and the first outlet, second outlet, third outlet are respectively arranged between the import of the current divider respectively
There is closer；
The sampling pump is connected with the feed inlet.
2. the device according to claim 1 for measuring silicon concentration in ternary combination flooding extraction sewage, it is characterised in that：It is described
Automatic centrifuge further includes a pallet, and the bottom in the lower section of the auxiliary box body, the holder is arranged in the pallet.
3. the device according to claim 1 for measuring silicon concentration in ternary combination flooding extraction sewage, it is characterised in that：It is described
Automatic centrifuge further includes a concussion motor, and the concussion motor is arranged in the bottom of the babinet, and is turned with the support
Axis fits.
4. the device according to claim 1 for measuring silicon concentration in ternary combination flooding extraction sewage, it is characterised in that：It is described
Quantitative sample injection needle is connected with a standard items pond, is equipped with the second valve between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820019403.4U CN207764121U (en) | 2018-01-05 | 2018-01-05 | The device of silicon concentration in a kind of measurement ternary combination flooding extraction sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820019403.4U CN207764121U (en) | 2018-01-05 | 2018-01-05 | The device of silicon concentration in a kind of measurement ternary combination flooding extraction sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207764121U true CN207764121U (en) | 2018-08-24 |
Family
ID=63183019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820019403.4U Expired - Fee Related CN207764121U (en) | 2018-01-05 | 2018-01-05 | The device of silicon concentration in a kind of measurement ternary combination flooding extraction sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207764121U (en) |
-
2018
- 2018-01-05 CN CN201820019403.4U patent/CN207764121U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180824 Termination date: 20190105 |