CN111207988B - Ore pulp monitoring devices based on microfluid - Google Patents
Ore pulp monitoring devices based on microfluid Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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Abstract
The invention discloses an ore pulp detection device based on microfluid, which comprises a detection pool and a microfluid channel arranged in the detection pool; the inside ore pulp fluid that packs the ore pulp and form through the stirring of detection cell, the inside microfluid that forms the velocity of flow and surpass the ore pulp fluid of miniflow passageway, be equipped with the infiltration opening with the inside intercommunication of detection cell on the miniflow passageway, the inside fixed detection sensor that sets up of opposite side miniflow passageway that the infiltration opening is relative utilizes the velocity of flow that microfluid is greater than the ore pulp system, and great mineral particle is got rid of in the ore pulp at the microfluid outside, and the inside less ion of ore pulp and molecule can permeate into the miniflow through the infiltration opening and form detecting system, finally pass through the detection sensor, realize the purpose of monitoring ore pulp system composition, and the real-time supervision result of ore pulp is more accurate, has effectively avoided the loss of mineral particle to the detection sensor, provides the basis for the detection of key flotation parameter.
Description
Technical Field
The invention relates to an ore pulp monitoring technology, in particular to an ore pulp monitoring device based on microfluid.
Background
Mineral resources are the material basis for the development of national economy and national defense construction. In recent years, the economy of China keeps growing rapidly, and the national demand for mineral resources also increases year by year. However, as the grade of mineral resources declines year by year, the difficulty of processing, separating and enriching the mineral resources is high. The real-time monitoring and degree of the production process of most mineral processing enterprises in China are very low, so that the energy consumption of the production process of the enterprises is high, and the mineral and water resource waste is serious.
The ore pulp has complex components, mineral particles, ions and molecules, a mineral processing system is a complex solid/liquid/gas three-phase mixed system, core process parameters are parameters related to minerals and flotation reagents, intelligent detection of the related process parameters in the mineral processing production process is a key factor for improving mineral processing efficiency and realizing sustainable development of ores, and whether the existing ore pulp system can enter the flotation process or whether the flotation reagents need to be added continuously or not is determined according to the components in the ore pulp. The main approach in industry today is to immerse the detection equipment (sensor) directly into the pulp inside the detection cell, but in practice it is found that there are significant drawbacks: 1. under the stirring condition of the ore pulp, the movement tracks of flotation reagents, mineral particles, bubbles, ions and the like in the ore pulp are complex, interference exists among the flotation reagents, the mineral particles, the bubbles, the ions and the like, and a large interference error exists when related parameters are detected; 2. the adsorption and scaling phenomena of mineral particles and flotation reagents (especially macromolecular reagents) in the ore pulp on a sensor of a detection instrument are very serious, so that the detection instrument cannot work continuously and has short service life.
Disclosure of Invention
The technical problem solved by the invention is as follows: aiming at the problems of inaccurate detection structure and short service life in the existing ore pulp flotation real-time monitoring process, the ore pulp monitoring device based on microfluid is provided.
The invention is realized by adopting the following technical scheme:
a microfluid-based pulp detection device comprises a detection cell 1 and a microfluidic channel 2 arranged inside the detection cell;
detecting pond 1 inside ore pulp of packing and through stirring formation ore pulp fluid 101, the inside microfluid 203 that forms the velocity of flow and exceed ore pulp fluid 101 of miniflow channel 2, be equipped with the infiltration opening 204 with the inside intercommunication of detecting pond 1 on the miniflow channel 2, the inside fixed detection sensor 4 that sets up of opposite side miniflow channel 2 that infiltration opening 204 is relative utilizes the velocity of flow that microfluid is greater than the ore pulp system, and great mineral particle is got rid of in the ore pulp outside microfluid, and the inside less ion of ore pulp and molecule can permeate into the microfluid through the infiltration opening and form the detecting system, finally pass through the detection sensor, realize the purpose of monitoring ore pulp system composition, effectively avoided the loss of mineral particle to the detection sensor.
In the technical scheme of the ore pulp detection device, the microfluid 203 is clean liquid which is not dissolved with ore pulp components, so that the interference of other solutes on a detection structure is avoided, and the monitoring accuracy is ensured.
In the technical scheme of the ore pulp detection device, the inlet of the microfluidic channel 2 is connected with the microfluidic pumping system 205, so that the flow rate introduced into the microfluidic channel is controllable, and clean liquid is always input for detection.
In the above technical solution of the pulp detection device, the flow rate of the micro fluid 203 is preferably 1.5-4.5 times of the flow rate of the pulp fluid 101.
In the technical scheme of the ore pulp detection device, the microfluidic channel 2 is also provided with the controllable gate 3 for opening and closing the permeation opening 204 so as to establish microfluid in the microfluidic channel and avoid that ore pulp enters the microfluidic channel to pollute the microfluidic channel or damage a sensor when the ore pulp is not detected.
In the technical scheme of the ore pulp detection device, the permeation opening 204 is located on the upper side pipe wall of the microfluidic channel 2, the detection sensor 4 is fixed on the lower side pipe wall at the rear of the microfluidic flow direction relative to the permeation opening 204, the detection sensor and the detection sensor are arranged in a staggered mode, ions and molecules inside ore pulp permeate into the microfluidic and then are detected through the detector at once, and the detection error caused by the fact that the ions and the molecules enter the microfluidic to move is avoided.
In the technical scheme of the ore pulp detection device, the permeation opening 204 is a strip arranged along the flowing direction of the microfluid, the width of the permeation opening is 1/3-1/2 of the inner diameter of the microfluidic channel 2, and the length of the permeation opening is 1.5-3 times of the width.
In the technical scheme of the ore pulp detection device, a magnetic stirring system is arranged in the detection pool 1.
In the technical scheme of the ore pulp detection device, the detection pool 1 is a cylindrical barrel with a cover, and the ore pulp fluid 101 flows circumferentially around the central axis of the cylindrical barrel.
In the technical scheme of the ore pulp detection device, the inlet and the outlet of the microfluidic channel 2 penetrate through the bottom of the detection pool 1, the inner diameter of the microfluidic channel 2 is 0.1-0.15 times of the diameter of the detection pool 1, the distance from the inlet to the outlet of the microfluidic channel 2 is 0.5-0.8 times of the diameter of the detection pool 1, and the overall height of the microfluidic channel 2 is 0.15-0.35 times of the height of the detection pool 1.
The invention aims at the characteristics of the mineral flotation process, utilizes the phenomenon of molecular diffusion in fluid generated by the flow speed difference between microfluid and pulp fluid to design a solution ion and molecule detection scheme for filtering mineral particles in pulp. The pulp composition is monitored in real time while avoiding damage to the sensor by mineral particles.
The microfluid-based ore pulp monitoring device provided by the invention realizes real-time online detection and characterization of relevant parameters of multiple mineral phases and chemical components, has a distinctive characteristic, provides a new way for detection of a mineral processing process, solves the problem that a sensor of the ore pulp monitoring device in the prior art is often damaged by mineral particles in ore pulp, greatly prolongs the service life of the sensor, simultaneously overcomes the problems of severe conditions in a flotation process and difficult separation and acquisition of the sensor to be detected, reduces interference of various complex flotation factors, has more accurate real-time monitoring results of the ore pulp, and provides a foundation for detection of key flotation parameters.
The invention is further described with reference to the following figures and detailed description.
Drawings
Fig. 1 is a schematic perspective view of a microfluidic-based slurry monitoring device according to an embodiment.
FIG. 2 is an internal view of the detection cell in the embodiment in the state where the permeation opening is opened.
FIG. 3 is an internal view of the detection cell in the embodiment in a state where the permeation opening is closed.
Reference numbers in the figures: 1-detection cell, 2-microfluidic channel, 3-controllable gate, 4-detection sensor, 5-ions and molecules, 6-mineral particles, 101-ore slurry fluid, 201-microfluidic channel inlet, 202-microfluidic channel outlet, 203-microfluidic, 204-permeation opening, 205-microfluidic pumping system.
Detailed Description
Examples
Referring to fig. 1-3, a microfluidic based pulp monitoring device is shown as an embodiment of the present invention, specifically comprising a detection cell 1, a microfluidic channel 2, a controllable gate 3, and a detection sensor 4. The detection cell 1 is a main body of ore pulp flotation, ore pulp is filled inside the detection cell 1, the ore pulp is stirred and disturbed inside the detection cell 1 to form ore pulp fluid 101 with a certain flow rate, the micro-flow channel 2 is fixed inside the detection cell 1, the micro-flow channel 2 flows inside to form micro-fluid 203, and the flow rate of the micro-fluid 203 exceeds the flow rate of the ore pulp fluid 101. The microfluid in the microfluidic channel 2 is a medium different from the pulp fluid, the microfluidic channel 2 is provided with a permeation opening 204 which is communicated with the interior of the detection cell 1, because the flow rate of the microfluid 203 in the microfluidic channel 2 is greater than that of the external pulp fluid 101, under the condition of the flow rate difference, the microfluid in the microfluidic channel 2 is not directly communicated with the pulp fluid 101 in the detection cell 1, the larger mineral particles 6 in the pulp are blocked in the detection cell outside the permeation opening 204, and the smaller ions and molecules 5 in the pulp can permeate into the microfluid 203 through the permeation opening to form a detection system in the microfluidic channel through molecular diffusion. The detection sensor 4 is fixedly arranged in the microflow channel 2 on the other side opposite to the permeation opening 204 to detect the particles mixed with the ore pulp ions and molecules, so that the aim of monitoring the components of an ore pulp system is finally realized, and the loss of the mineral particles 6 to the detection sensor can be effectively avoided.
To avoid other reactions or changes of slurry ions and molecules inside the micro-fluid, the micro-particles 203 should use a clean liquid that is not compatible with the slurry components, and the ions and molecules 5 in the slurry are accurately detected by the detection sensor 4 after penetrating into the micro-fluid 203.
Microfluid 203 in the microflow channel 2 provides clean microflow liquid through an external microflow pumping system 205, a microflow channel inlet 201 is directly connected with the microflow pumping system 205, the clean microflow liquid is pumped into the microflow channel 2, the flow rate of the microfluid 203 is established through the microflow pumping system, the flow rate introduced into the microflow channel is ensured to be controllable, the microflow channel outlet 202 outputs mixed liquid mixed with ore pulp ions and molecules 5, the ore pulp ions and the molecules are separated into the clean liquid and then circulated with the microflow pumping system, and the clean liquid is ensured to be always input for detection. The detection sensor 4 adopts a light-sensitive sensor, and specific ore pulp internal data can be obtained by calculating the dilution ratio according to the flow rate of the micro-flow liquid and the internal size of the micro-flow channel after detecting signals such as the concentration of ore pulp ions and molecules in the micro-flow. The light sensor for detecting the ions and molecules in the ore pulp is an existing mature detection element, the calculation process is conventional mathematical calculation, and the calculation process can be realized by an existing data analysis computer, which is not described herein again.
The inside of the detection cell 1 may be provided with a magnetic stirring system (not shown in the figure) for existing slurry flotation, and in order to ensure the filtering and permeating effect between the mineral particles and the molecular ions in the slurry, the flow rate of the slurry fluid 101 inside the detection cell is set as v, and the flow rate of the microfluid 203 is preferably 1.5v-4.5 v.
The micro-flow channel 2 is provided with a controllable gate 3 for opening and closing the permeation opening 204, the controllable gate 3 can adopt an electric control flashboard valve arranged on the inner wall of the micro-flow channel near the permeation opening 204, and when in detection, the controllable gate 3 is controlled to open the permeation opening 204 to establish a permeation channel from the ore pulp ions and molecules 5 in the detection pool 1 to the micro-flow channel 2, as shown in fig. 2; in a non-detection state, the controllable gate 3 is controlled to close the permeation opening 204, and the micro-flow channel 2 and the detection cell 1 are completely separated, so that the ore pulp with the parameters reaching the standard can be directly subjected to subsequent flotation operation through the detection cell, as shown in fig. 3.
Specifically, the permeation opening 204 is located on the upper side pipe wall of the microfluidic channel 2, the detection sensor 4 is fixed on the lower side pipe wall behind the microfluidic flow direction relative to the permeation opening 204, the permeation opening 204 and the detection sensor are arranged in a staggered mode, the permeation opening 204 is long-strip-shaped and is arranged along the microfluidic flow direction, the width of the permeation opening is 1/3-1/2 of the inner diameter of the microfluidic channel 2, the length of the permeation opening is 1.5-3 times of the width of the permeation opening, and the detection sensor 4 is arranged in a staggered mode with 1/2 of the permeation opening backwards. Ions and molecules in the ore pulp penetrate into the microfluid and then are detected by the detector at once, so that detection errors caused by movement of the ions and the molecules entering the microfluid are avoided.
The detection pool 1 is a cylindrical barrel with a cover, the outer side wall and the bottom of the detection pool 1 are made of corrosion-resistant materials with smooth surfaces, the ore pulp fluid 101 flows around the central axis of the cylindrical barrel in a circumferential mode, the cover of the cylindrical barrel is located at a feeding hole serving as ore pulp when the cover is opened, and the cover is located in a closed mode and serves as a splash-proof cover when the ore pulp is stirred. In practical application, the diameter of the detection cell 1 is d, the height of the detection cell 1 is h, the internal diameter of the microfluidic channel 2 is preferably 0.1d-0.15d, the distance from the inlet to the outlet of the microfluidic channel 2 is preferably 0.5d-0.8d, and the overall height of the microfluidic channel 2 is preferably 0.15h-0.35 h.
The steps of the embodiment for monitoring the interior of the detection pool in real time are as follows: firstly, the controllable gate 3 is closed, the permeation opening 204 on the micro-flow channel 2 is closed, ore pulp is filled into the detection pool 1, the magnetic stirring system in the detection pool 1 is opened, the ore pulp is controlled to form an ore pulp fluid 101 around the central axis o-o' of the detection pool 1, then the external micro-flow pumping system 205 is opened, forming microfluid 203 in the microfluidic channel 2, finally opening the controllable gate 3, opening the permeation opening 204 on the microfluidic channel 2, permeating ions and molecules 5 in the mineral slurry fluid 101 into the microfluidic channel 2 through the permeation opening 204, and when the microfluid reaches the monitoring area of the detection sensor 4, the mineral particles 6 in the ore pulp fluid 101 are blocked by the microfluid with higher flow rate, and are difficult to enter the microfluid, so that the filtering effect of the mineral particles 6 is formed, and the ions and molecules 5 as ore pulp components are monitored in real time and simultaneously the damage of the mineral particles 6 to the detection sensor 4 is avoided.
The foregoing embodiments illustrate the principles and features of the present invention and their advantages, and it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the specific principles of operation of the present invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (9)
1. A microfluid-based pulp detection device is characterized in that: comprises a detection cell (1) and a microfluidic channel (2) arranged inside the detection cell;
ore pulp is filled in the detection pool (1) and forms ore pulp fluid (101) through stirring, microfluid (203) with the flow rate exceeding that of the ore pulp fluid (101) is formed in the microfluidic channel (2), a permeation opening (204) communicated with the inside of the detection pool (1) is arranged on the microfluidic channel (2), and a detection sensor (4) is fixedly arranged in the microfluidic channel (2) on the other side opposite to the permeation opening (204);
the inlet and the outlet of the microfluidic channel (2) penetrate through the bottom of the detection cell (1), the inner diameter of the microfluidic channel (2) is 0.1-0.15 times of the diameter of the detection cell (1), the distance from the inlet to the outlet of the microfluidic channel (2) is 0.5-0.8 times of the diameter of the detection cell (1), and the overall height of the microfluidic channel (2) is 0.15-0.35 times of the height of the detection cell (1).
2. A micro-fluidic based pulp detection device according to claim 1, the micro-fluid (203) being a clean liquid immiscible with pulp components.
3. A microfluidic based slurry detection device according to claim 2, wherein the inlet of the microfluidic channel (2) is connected to a microfluidic pumping system (205).
4. A micro-fluidic based pulp detection device according to claim 1, wherein the flow rate of the micro-fluid (203) is 1.5-4.5 times the flow rate of the pulp fluid (101).
5. A micro-fluidic based pulp detection device according to claim 1, the micro-fluidic channel (2) further being provided with a controllable shutter (3) opening and closing the permeation opening (204).
6. The microfluid-based pulp detection device according to claim 1, wherein the percolation opening (204) is located in an upper side pipe wall of the microfluidic channel (2), and the detection sensor (4) is fixed on a lower side pipe wall behind the microfluid flowing direction relative to the percolation opening (204), and the detection sensor and the percolation opening are arranged in a staggered manner.
7. A microfluidics based slurry detection device according to claim 6, wherein the permeate opening (204) is elongate and arranged in the direction of microfluidic flow, having a width of 1/3-1/2 of the internal diameter of the microfluidic channel (2) and a length of 1.5-3 times the width.
8. A microfluidics based pulp detection device according to claim 1, wherein a magnetic stirring system is provided inside the detection cell (1).
9. A microfluidic based slurry detection device according to any one of claims 1-8, wherein the detection cell (1) is a cylindrical cylinder with a lid, and the slurry fluid (101) flows circumferentially around the central axis of the cylindrical cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010100256.5A CN111207988B (en) | 2020-02-18 | 2020-02-18 | Ore pulp monitoring devices based on microfluid |
| PCT/CN2020/083251 WO2021164110A1 (en) | 2020-02-18 | 2020-04-03 | Microfluidic-based ore pulp monitoring device |
| JP2022600076U JP3241109U (en) | 2020-02-18 | 2020-04-03 | Microfluidic Ore Slurry Monitoring Device |
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| CN202010100256.5A CN111207988B (en) | 2020-02-18 | 2020-02-18 | Ore pulp monitoring devices based on microfluid |
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Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4836037A (en) * | 1986-12-16 | 1989-06-06 | Ciba-Geigy Corporation | Sample metering valve for a sample preparation system |
| CN1816393A (en) * | 2003-05-21 | 2006-08-09 | 国家科学研究中心 | Micro-fluid apparatus |
| CN101227972A (en) * | 2005-07-25 | 2008-07-23 | 西门子公司 | Microfluid system |
| CN101251395A (en) * | 2008-04-02 | 2008-08-27 | 罗放明 | Mineral slurry flux on-line detecting device and multi-parameter on-line detecting integrated system |
| CN203148758U (en) * | 2013-02-06 | 2013-08-21 | 深圳市第二人民医院 | Micro-fluidic chip for sample separation and detection |
| CN103630427A (en) * | 2013-11-25 | 2014-03-12 | 北京矿冶研究总院 | Automatic ore pulp filtering and sampling device |
| CN204514685U (en) * | 2015-04-12 | 2015-07-29 | 长春黄金研究院 | Ore pulp on-line monitoring pretreatment unit |
| CN104874470A (en) * | 2015-05-28 | 2015-09-02 | 张宝祥 | Mineral separation method |
| CN204831954U (en) * | 2015-07-28 | 2015-12-02 | 广东广业云硫矿业有限公司 | Nonmetal pulp density detection device of environment -friendly |
| CN106179549A (en) * | 2016-08-15 | 2016-12-07 | 南京大学 | A kind of micro-fluidic chip and application thereof |
| CN106769361A (en) * | 2017-01-16 | 2017-05-31 | 大连海事大学 | The device and method that particle is separate in a kind of lubricating oil based on microflow control technique |
| CN107850540A (en) * | 2015-03-26 | 2018-03-27 | 多佛光电有限责任公司 | Prepare the method that fluid sample carries out LIBS and imaging analysis |
| CN207405019U (en) * | 2017-11-06 | 2018-05-25 | 河北信谷环保科技有限公司 | A kind of ore pulp leachate filtering separation device |
| CN108380399A (en) * | 2018-04-20 | 2018-08-10 | 中南大学 | Experiment mineral floating device |
| CN207770061U (en) * | 2017-11-28 | 2018-08-28 | 贵州开磷质量检测中心有限责任公司 | A kind of double-deck centrifuge tube for solid-liquid quick separating |
| CN109967142A (en) * | 2017-12-28 | 2019-07-05 | 意法半导体股份有限公司 | For transportable microfluidic device, particularly for sample preparation and the analysis of analysis of molecules unit |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2567767B1 (en) * | 1984-07-17 | 1986-11-07 | Comp Generale Electricite | DEVICE FOR TAKING THE LIQUID PHASE FROM A SUSPENSION |
| JP2004042012A (en) * | 2001-10-26 | 2004-02-12 | Nec Corp | Separation apparatus, analysis system, separating method, and method of manufacturing the apparatus |
| JP2007003268A (en) * | 2005-06-22 | 2007-01-11 | Aisin Seiki Co Ltd | Device for detecting target substance |
| CN100573118C (en) * | 2007-01-19 | 2009-12-23 | 丹东东方测控技术有限公司 | Detect multielement analysis device and detection method at stream |
| US20100184197A1 (en) * | 2009-01-22 | 2010-07-22 | Longying Dong | Methods For Harvesting Biological Materials Using Membrane Filters |
| WO2012037030A2 (en) * | 2010-09-14 | 2012-03-22 | The Regents Of The University Of California | Method and device for isolating cells from heterogeneous solution using microfluidic trapping vortices |
| CN103293050A (en) * | 2013-05-27 | 2013-09-11 | 苏州扬清芯片科技有限公司 | Serum filter chip and preparation chip thereof |
| EP2952259A1 (en) * | 2014-06-06 | 2015-12-09 | ABB Research Ltd. | Method and apparatus for froth flotation process using optical measurements |
| KR101672020B1 (en) * | 2015-11-25 | 2016-11-16 | 한국지질자원연구원 | Flotation monitoring apparatus and method thereof |
| CN105866404A (en) * | 2016-03-31 | 2016-08-17 | 苏州市博纳泰科生物技术有限公司 | Membrane material-based micro-fluidic chip |
| CN106124282B (en) * | 2016-07-26 | 2019-07-16 | 广州海力特生物科技有限公司 | A kind of method of lamination centrifugal filtration separation and Extraction excretion body |
| CN107328632A (en) * | 2017-07-11 | 2017-11-07 | 江西师范大学 | Zoobenthos quickly sieves and washes device and method in a kind of lake sediment |
| CN109351375A (en) * | 2018-11-28 | 2019-02-19 | 浙江警察学院 | A kind of planar array intercepts the unidirectional micro-fluidic chip of impurity |
| CN110412225A (en) * | 2019-09-02 | 2019-11-05 | 北京金禾沃华科技有限公司 | It is a kind of to drive cement industry high-temp waste gas analytical equipment using industry APP |
-
2020
- 2020-02-18 CN CN202010100256.5A patent/CN111207988B/en active Active
- 2020-04-03 WO PCT/CN2020/083251 patent/WO2021164110A1/en active Application Filing
- 2020-04-03 JP JP2022600076U patent/JP3241109U/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4836037A (en) * | 1986-12-16 | 1989-06-06 | Ciba-Geigy Corporation | Sample metering valve for a sample preparation system |
| CN1816393A (en) * | 2003-05-21 | 2006-08-09 | 国家科学研究中心 | Micro-fluid apparatus |
| CN101227972A (en) * | 2005-07-25 | 2008-07-23 | 西门子公司 | Microfluid system |
| CN101251395A (en) * | 2008-04-02 | 2008-08-27 | 罗放明 | Mineral slurry flux on-line detecting device and multi-parameter on-line detecting integrated system |
| CN203148758U (en) * | 2013-02-06 | 2013-08-21 | 深圳市第二人民医院 | Micro-fluidic chip for sample separation and detection |
| CN103630427A (en) * | 2013-11-25 | 2014-03-12 | 北京矿冶研究总院 | Automatic ore pulp filtering and sampling device |
| CN107850540A (en) * | 2015-03-26 | 2018-03-27 | 多佛光电有限责任公司 | Prepare the method that fluid sample carries out LIBS and imaging analysis |
| CN204514685U (en) * | 2015-04-12 | 2015-07-29 | 长春黄金研究院 | Ore pulp on-line monitoring pretreatment unit |
| CN104874470A (en) * | 2015-05-28 | 2015-09-02 | 张宝祥 | Mineral separation method |
| CN204831954U (en) * | 2015-07-28 | 2015-12-02 | 广东广业云硫矿业有限公司 | Nonmetal pulp density detection device of environment -friendly |
| CN106179549A (en) * | 2016-08-15 | 2016-12-07 | 南京大学 | A kind of micro-fluidic chip and application thereof |
| CN106769361A (en) * | 2017-01-16 | 2017-05-31 | 大连海事大学 | The device and method that particle is separate in a kind of lubricating oil based on microflow control technique |
| CN207405019U (en) * | 2017-11-06 | 2018-05-25 | 河北信谷环保科技有限公司 | A kind of ore pulp leachate filtering separation device |
| CN207770061U (en) * | 2017-11-28 | 2018-08-28 | 贵州开磷质量检测中心有限责任公司 | A kind of double-deck centrifuge tube for solid-liquid quick separating |
| CN109967142A (en) * | 2017-12-28 | 2019-07-05 | 意法半导体股份有限公司 | For transportable microfluidic device, particularly for sample preparation and the analysis of analysis of molecules unit |
| CN108380399A (en) * | 2018-04-20 | 2018-08-10 | 中南大学 | Experiment mineral floating device |
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| CN111207988A (en) | 2020-05-29 |
| JP3241109U (en) | 2023-03-06 |
| WO2021164110A1 (en) | 2021-08-26 |
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