CN202036983U - Strengthened micro reaction device and micro reaction system for preparing micro-nano powder - Google Patents
Strengthened micro reaction device and micro reaction system for preparing micro-nano powder Download PDFInfo
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- CN202036983U CN202036983U CN 201120026283 CN201120026283U CN202036983U CN 202036983 U CN202036983 U CN 202036983U CN 201120026283 CN201120026283 CN 201120026283 CN 201120026283 U CN201120026283 U CN 201120026283U CN 202036983 U CN202036983 U CN 202036983U
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Abstract
The utility mode provides a strengthened micro reaction device and a micro reaction system for preparing micro-nano powder. The micro reaction system comprises a feeding device, a micro mixing device, the strengthened micro reaction device and a material storing groove; and the strengthened micro reaction device comprises a pipeline and ultrasonic generators, the pipeline is provided with a central passageway the size of which is increased gradually, and the ultrasonic generators are arranged outside the central passageway. In the micro reaction system, mixture and reaction are separated so that the mixture and the reaction are respectively carried out in the micro mixing device and the strengthened micro reaction device; and the micro reaction system has the advantages of fast mixing, strong mass transfer capability, low energy consumption, strong operation controllability, high production efficiency, and stable performance and is easy to amplify and the jamming of a micro reaction passageway and the agglomeration of nano particles are effectively prevented. The strengthened micro reaction device and the micro reaction system are particularly applicable to the industrial production of chemical liquid reaction which has high reaction speed, high requirement on transmission, mass transfer and momentum transfer and can generate solid.
Description
Technical field
The utility model belongs to the micro-nano powder preparing technical field, is specifically related to a kind of reinforcement micro-reaction device and little reaction system for preparing micro-nano powder.
Background technology
Micro-nano powder is a kind of solid particulate materials of transitional region of having a common boundary between elementide and macro object, is the basis of the multiple new material of preparation.It has character such as completely different electricity in bulk material, magnetics, optics, calorifics or mechanics, be widely used in electronic device, medical science and health, space flight, aviation and space exploration, environment, resource and energy and biotechnology field, have broad application prospects and huge economic benefit.
In the industry development of micro-nano powder; the high-performance micro-nano powder new preparation technology that lacks scale is seriously to restrict micro-nano powder performance, price and key technologies for application always, also always is core competence of enterprises and the external key technology that we are blocked.In the many methods for preparing micro-nano powder that developed, chemical liquid phase reaction has that equipment is simple, raw material obtains easily, purity height, good uniformity, chemical composition control accurately, be easy to advantage such as amplifications, become on present laboratory and the industrial production the extensively preparation method of the micro-nano powder of employing.Usually, it is from breadboard glass container that chemical liquid phase reaction prepares micro-nano powder, pass through the amplification step by step of lab scale, pilot scale then, through research and development and lot of manpower and material resources input, finally realization scale volume production in the reactor of big volume for a long time until industrialization.There is the major defect of high energy consumption, high material-consumption, high three waste discharge and low-yield in this traditional research and development production model.Particularly fast for some reaction speeds, pass the demanding micro-nano powder preparation feedback three, because churned mechanically mixing of reactor and dispersion intensity are low, it strengthens mass transfer makes the mixed uniformly speed of material far below reaction speed, stirring intensity also far is not enough to disperse the micro-nano powder aggregation of having reunited, let alone strict control and cut apart forming core and growth phase in the micro-nano powder preparation process.So that prepared micro-nano powder exists, and serious product particle is inhomogeneous, Size Distribution is wide, reunion is serious, pattern is difficult to problems such as control.Therefore, thinking be must change, new equipment and the new technology of preparing of development sought.
The microreactor technology that has developed since the nineties in 20th century provides new way for solving this class rapid-action mass transfer and mixing.Microreactor is meant the fluid channel dimensions made by the micro-processing technology small-sized reaction system in micron dimension.Studies show that little reaction technology has strong mass transfer ability, can increase substantially the mass-transfer efficiency in the course of reaction, realized chemical process reinforcement, microminiaturization and greenization.And having operating condition is easy to control, no enlarge-effect, adapts to advantages such as wide and intrinsic safety.Be considered to one of new important directions of Chemical Engineering subject development.At present, being used for the synthetic microreactor of gas phase becomes a reality in industrial application.But compare the obvious much less of the research of the little reaction of liquid phase with application with the research of the little reaction of gas phase.This mainly is because reaction will be carried out in the microchannel of submillimeter magnitude in sub-micron, can produce very big pressure and fall, and is difficult to realize the requirement of high throughput.Particularly for easier obstruction that causes the microchannel of the liquid phase reactor that has precipitation to generate and reaction be difficult to proceed.Simultaneously, micro element also exists problems such as processing difficulties, processing cost height.These have all caused microreactor to also have suitable difficulty in the application aspect the liquid phase reactor that generates precipitation, need further develop some new technology and solve this problem.
Summary of the invention
Main purpose of the present utility model provides a kind of reaction condition and remains the reinforcement micro-reaction device that the stable and controlled liquid phase reactor method that is applicable to prepares micro-nano powder.
Another purpose of the present utility model provides a kind of high efficiency that can realize micro-nano powder, stable performance, the quality controllable little reaction system of quantity-produced.
To achieve these goals, the utility model has adopted following technical scheme:
The utility model discloses a kind of reinforcement micro-reaction device for preparing micro-nano powder, comprise pipeline and supersonic generator, described pipeline has the central passage that size is amplified step by step, and described supersonic generator is arranged at the central passage outside.
Further, described pipeline also is provided with a circulation of fluid passage, and this circulation of fluid passage is positioned at outside the described central passage, is provided with water inlet and delivery port.Preferably, described circulation of fluid passage is separated into two parts, and these two parts are interconnected and are symmetricly set in outside the described central passage, pass through for circulation of fluid.Preferred, described circulation of fluid is water, in order to the control reaction temperature.
Further, described pipeline also is provided with the supersonic generator installation cavity, and this supersonic generator installation cavity is positioned at outside the described central passage; Described supersonic generator is installed in the described supersonic generator installation cavity.Preferably, described supersonic generator installation cavity is separated into two parts, and these two parts are symmetricly set in outside the described central passage; Most preferred, described supersonic generator is evenly staggered is installed on described being separated in the two-part supersonic generator installation cavity, makes hyperacoustic scope can evenly cover whole central passage.
The invention also discloses a kind of little reaction system for preparing micro-nano powder, comprise feeding device, micro mixing device, above-mentioned reinforcement micro-reaction device and stock chest; Feeding device links to each other with the charging aperture of micro mixing device, and the discharging opening of micro mixing device links to each other with the small size port of the central passage of strengthening micro-reaction device, and the large scale port of strengthening the central passage of micro-reaction device links to each other with stock chest.It is pointed out that little reaction system that the utility model provides, the reaction mechanism mechanism of reaction is decomposed, the mixing and the course of reaction of the reactant liquor of preparation micro-nano powder are carried out in micro mixing device and reinforcement micro-reaction device respectively.
Further, in above-mentioned little reaction system, described micro mixing device comprises microreactor and is arranged at the supersonic generator of microreactor outside; Described feeding device comprises liquid bath and constant flow pump, and both join.Described micro mixing device is used for the mixing of reactant liquor, preferably, microreactor in the micro mixing device is improved, its microchannel diameter is 2-20mm, the length of microchannel is 200-800mm, mix in order to the quick mass transfer of realizing two or more reaction solutions, make that the material microcosmic evenly mixes and not precipitation generation in less than 1 second time frame.It is to be noted, after reaction solution evenly mixes fast, enter the reinforcement micro-reaction device that the utility model provides, by to the flow velocity of reactant liquor with strengthen the control of size of the central passage of micro-reaction device, realization makes the reaction condition of entire reaction process remain stable and controllable to the control in reaction time.
Further, described micro mixing device also comprises ultrasonic bath, and described ultrasonic bath is around the microreactor outside, and described supersonic generator is installed in the described ultrasonic bath.
Preferably, described ultrasonic bath comprises inside groove and the water jacket that links together, and supersonic generator is evenly staggered to be installed in the water jacket, makes ultrasonic wave range cover microreactor uniformly; Whole microreactor runs through inside groove and is tightly connected together with inside groove; Inside groove is realized the circulation of circulation of fluid by water inlet and delivery port.Preferably, described fluid is a water, the reacting liquid temperature when being used to regulate and control to mix, and the temperature of water can be regulated as required.Further, be provided with the mixed cell internals in the described microreactor, described mixed cell internals are the mixed cell bodies that are fixed in the microchannel, and in order to change the flow regime of fluid in pipe, the mass transfer of further strengthening reactant liquor mixes.
It is pointed out that in the utility model to have at least two cover feeding devices to link to each other in described little reaction system with micro mixing device.Carry out a step, the quantity of feeding device determines according to the quantity of the reacted constituent of needs in the concrete test; When reacted constituent increases, increase feeding device quantity, simultaneously, can continue to improve to microreactor of the present utility model, make the quantity of its charging aperture and feeding device quantity be complementary.
Because adopt above technical scheme, the beneficial effects of the utility model are:
The reinforcement micro-reaction device that the utility model provides passes through the control to the size of central passage, and to the regulation and control of reactant liquor flow velocity, realization is to the control in reaction time, makes that reaction condition remains stable and controllable in the entire reaction process, and then obtains the product of dimensionally stable.
Further, little reaction system of the present utility model, the reaction mechanism mechanism of reaction is cut apart and controlled, make and mix and react two processes respectively at micro mixing device with strengthen in the micro-reaction device and carry out, have that mixing velocity is fast, the mass transfer ability is strong, can effectively prevent little reaction channel obstruction and nanoparticle agglomerates, energy consumption is low, amplifications is easy, operate controlled by force, many-sided advantage such as constant product quality is good.Adopt micro-nano powder pattern homogeneous, narrow size distribution, the good dispersion of little reaction system preparation that the utility model provides, be particularly suitable for reaction speed fast, pass the demanding suitability for industrialized production that the chemical liquid phase reaction that solids generates is arranged to three.
Description of drawings
Fig. 1 is a front schematic view of strengthening micro-reaction device 4 among the embodiment of the present utility model, and wherein 13 is that central passage, 18 is that water inlet, 19 is that delivery port, 20 is supersonic generator;
Fig. 2 is a side schematic view of strengthening micro-reaction device 4 among the embodiment of the present utility model, and wherein 13 is that central passage, 14 and 15 is that circulation of fluid passage, 16 and 17 is that supersonic generator installation cavity, 18 is that water inlet, 19 is delivery port;
Fig. 3 is the schematic diagram of little reaction system among the embodiment of the present utility model, and wherein 1 is that liquid bath, 2 is that constant flow pump, 3 is that micro mixing device, 4 is stock chest for strengthening micro-reaction device, 5;
Fig. 4 is the schematic diagram of micro mixing device 3 among the embodiment of the present utility model, and wherein 6 is that microreactor, 7 is the mixed cell internals for the delivery port of ultrasonic wave inside groove, 12 for the water inlet of ultrasonic wave inside groove, 11 for supersonic generator, 10 for the water jacket of ultrasonic bath, 9 for the inside groove of ultrasonic bath, 8.
The specific embodiment
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.Following examples only are further detailed the utility model, should not be construed as restriction of the present utility model.
Embodiment one
This example provides a kind of reinforcement micro-reaction device for preparing micro-nano powder, is made up of pipeline and supersonic generator 9, and described pipeline has the central passage 13 that size is amplified step by step, and described supersonic generator 9 is arranged at central passage 13 outsides.Further, described pipeline also is provided with a circulation of fluid passage, and this circulation of fluid passage is positioned at outside the described central passage, is provided with water inlet 18 and delivery port 19.Described circulation of fluid passage is separated into two parts 14 and 15, and these two parts are interconnected and are symmetricly set in outside the described central passage, pass through for circulation of fluid.Described circulation of fluid is water, in order to the control reaction temperature.
Further, described pipeline is provided with the supersonic generator installation cavity, and this supersonic generator installation cavity is positioned at outside the described central passage 13; Described supersonic generator 9 is installed in the described supersonic generator installation cavity.The supersonic generator installation cavity is separated into two parts 16 and 17, and these two parts are symmetricly set in outside the described central passage 13; Evenly staggered being installed in supersonic generator installation cavity 16 and 17 of described supersonic generator 9 makes hyperacoustic scope can evenly cover whole central passage.Described reinforcement micro-reaction device is by the control to the size of central passage, and to the regulation and control of reactant liquor flow velocity, realizes the control to the reaction time, keeps the stable of also control reaction process and reaction condition, makes the product dimensionally stable of producing.
This example also provides a kind of little reaction system for preparing micro-nano powder, is made up of feeding device, micro mixing device 3, above-mentioned reinforcement micro-reaction device 4 and stock chest 5.Feeding device links to each other with the charging aperture of micro mixing device 3, and the discharging opening of micro mixing device 3 links to each other with the small size port of the central passage 13 of strengthening micro-reaction device 4, and the large scale port of strengthening the central passage 13 of micro-reaction device 4 links to each other with stock chest 5.This little reaction system decomposes the reaction mechanism mechanism of reaction, and the mixing and the course of reaction of the reactant liquor of preparation micro-nano powder are carried out in micro mixing device 3 and reinforcement micro-reaction device 4 respectively.
Further, in above-mentioned little reaction system, described micro mixing device 3 is made up of microreactor 6 and the supersonic generator 9 that is arranged at the microreactor outside; Described feeding device is connected and composed by liquid bath 1 and constant flow pump 2.Described micro mixing device 3 is used for the mixing of reactant liquor; Microreactor 6 to described micro mixing device 3 improves, its microchannel diameter is 2-20mm, the length of microchannel is 200-800mm, mix in order to the quick mass transfer of realizing two or more reaction solutions, make in the material microcosmic evenly mix less than 1 second time frame and precipitation generate, mix and react two reaction mechanisms mechanism of reaction and separate thereby make.
Further, described micro mixing device also is provided with ultrasonic bath, and described ultrasonic bath is around the microreactor outside, and described supersonic generator is installed in the described ultrasonic bath.Described ultrasonic bath is made up of inside groove 7 that is connected together and water jacket 8, and supersonic generator 9 is evenly staggered to be installed in the water jacket, makes ultrasonic wave range cover microreactor 6 uniformly; Whole microreactor 6 runs through inside groove 7 and is tightly connected together with inside groove 7; Inside groove 7 is realized the circulation of circulation of fluid by water inlet 10 and delivery port 11.Described fluid is a water, the reacting liquid temperature when being used to regulate and control to mix, and the temperature of water can be regulated as required.Further, be provided with mixed cell internals 12 in the described microreactor 6, described mixed cell internals 12 are the mixed cell bodies that are fixed in the microchannel, and in order to change the flow regime of fluid in pipe, the mass transfer of further strengthening reactant liquor mixes.
Embodiment two
The little reaction system that adopts embodiment one to provide prepares SiO
2Microballoon: a. will be dissolved in the absolute ethyl alcohol through the ethyl orthosilicate that the secondary decompression distillation is handled, and the solution A that is configured to molar concentration and is 0.8mol/L is placed in the storage vat of feeding device; Same, redistilled water and the pure ammonia solvent of analysis is configured to water in absolute ethyl alcohol molar concentration are placed in another storage vat of feeding device in the solution B of 1.6mol/L in the molar concentration of 8mol/L and ammonia; B. ON cycle water system is respectively at micro mixing device with strengthen the recirculated water that feeds 30 ℃ and 35 ℃ in the micro-reaction device; Simultaneously, open the ultrasonic wave of micro mixing device earlier, adjust ultrasonic frequency at 28KHz, ultrasonic power is at 200W; C. open two constant flow pumps, with solution A with B is isopyknic is pumped into simultaneously in the micro mixing device, the flow of controlling two solution is at 1.8L/min.Two bursts of liquid stream bump contacts in opposite directions at a high speed, and flow through passage rapidly, in the microchannel, finished microcosmic and evenly mixed; D. subsequently, mixed uniformly solution flow into rapidly and strengthens in the micro-reaction device.When having solution to flow out in the outlet of strengthening micro-reaction device, open the ultrasonic wave of strengthening micro-reaction device, the control ultrasonic frequency is at 28KHz, and ultrasonic power is at 400W; Because continuously all micro units reaction condition in the entire reaction process in the runner remains stablely and controlled, and hydrolysis is complete when flowing in the storage vat, thereby has guaranteed the SiO of dimensionally stable
2Preparation; E. with the SiO for preparing in the product storage vat
2Microballoon promptly is met single SiO of dispersion of requirement after processing such as surface modification, washing, Separation of Solid and Liquid, drying, pulverizing
2Powder; Keep above continuing of reacting to carry out, can realize SiO easily
2The quantification preparation of microballoon.According to prepared SiO
2Visible prepared morphology microstructure homogeneous, narrow size distribution, the good dispersion of the electromicroscopic photograph of microballoon.
Embodiment three
The little reaction system that adopts embodiment one to provide prepares nanometer Fe
3O
4: a. is dissolved in divalent iron salt and trivalent iron salt respectively in the distilled water, is configured to Fe
2+Molar concentration be 0.3mol/L and Fe
3+Molar concentration is placed in the storage vat of feeding device for the 0.55mol/L solution A; Same, the molar concentration that the pure ammonia solvent of analysis is disposed ammonification in distilled water is placed in another storage vat of feeding device in the solution B of 3.0mol/L; B. ON cycle water system is respectively at micro mixing device with strengthen the recirculated water that feeds 50 ℃ and 60 ℃ in the micro-reaction device; Simultaneously, open the ultrasonic wave of micro mixing device earlier, adjust ultrasonic frequency at 40KHz, ultrasonic power is at 250W; C. open two constant flow pumps, with solution A with B is isopyknic is pumped into simultaneously in the micro mixing device, the flow of controlling two solution is at 1.5L/min.Two bursts of liquid stream bump contacts in opposite directions at a high speed, and flow through passage rapidly, in the microchannel, finished microcosmic and evenly mixed; D. subsequently, mixed uniformly solution flow into rapidly and strengthens in the micro-reaction device.When having solution to flow out in the outlet of strengthening micro-reaction device, open the ultrasonic wave of strengthening micro-reaction device, the control ultrasonic frequency is at 25KHz, and ultrasonic power is at 400W; E. with the nanometer Fe for preparing in the product storage vat
3O
4After processing such as surface modification, washing, Separation of Solid and Liquid, drying, pulverizing, promptly be met the nanometer Fe of requirement
3O
4Powder; Keep above continuing of reacting to carry out, can realize nanometer Fe easily
3O
4Quantification preparation.According to prepared nanometer Fe
3O
4Visible prepared morphology microstructure homogeneous, narrow size distribution, the good dispersion of electromicroscopic photograph.
Embodiment four
The little reaction system that adopts embodiment one to provide prepares nanometer Ni:a. nickel salt is dissolved in the distilled water, is configured to Ni
2+Molar concentration is that the solution A of 0.5mol/L is placed in the storage vat of feeding device; Same, to be dissolved in the molar concentration that is configured to hydrazine hydrate in the distilled water be 3.0mol/L and OH with analyzing pure hydrazine hydrate and NaOH
-Molar concentration is that the solution B of 1.4mol/L is placed in another storage vat of feeding device; B. ON cycle water system is respectively at micro mixing device with strengthen the recirculated water that feeds 78 ℃ and 80 ℃ in the micro-reaction device; Simultaneously, open the ultrasonic wave of micro mixing device earlier, adjust ultrasonic frequency at 60KHz, ultrasonic power is at 300W; C. open two constant flow pumps, solution A and isopyknic being pumped into simultaneously of B are strengthened in the micro mixing device, the flow of controlling two solution is at 2.2L/min.Two bursts of liquid stream bump contacts in opposite directions at a high speed, and flow through passage rapidly, in the microchannel, finished microcosmic and evenly mixed; D. subsequently, mixed uniformly solution flow into rapidly and strengthens in the micro-reaction device.When having solution to flow out in the outlet of strengthening micro-reaction device, open the ultrasonic wave of strengthening micro-reaction device, the control ultrasonic frequency is at 40KHz, and ultrasonic power is at 800W; E. the Ni for preparing in the product storage vat promptly is met the nanometer Ni powder of requirement after processing such as surface modification, washing, Separation of Solid and Liquid, drying, pulverizing; Keep above continuing of reacting to carry out, can realize the quantification preparation of nanometer Ni powder easily.According to visible prepared morphology microstructure homogeneous, narrow size distribution, the good dispersion of the electromicroscopic photograph of prepared nanometer Ni powder.
Above content be in conjunction with concrete embodiment to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. reinforcement micro-reaction device for preparing micro-nano powder, it is characterized in that: comprise pipeline and supersonic generator (9), described pipeline has the central passage (13) that size is amplified step by step, and described supersonic generator (9) is arranged at central passage (13) outside.
2. reinforcement micro-reaction device according to claim 1 is characterized in that: described pipeline also is provided with a circulation of fluid passage, and this circulation of fluid passage is positioned at outside the described central passage (13), is provided with water inlet (18) and delivery port (19).
3. reinforcement micro-reaction device according to claim 1 is characterized in that: described pipeline also is provided with the supersonic generator installation cavity, and this supersonic generator installation cavity is positioned at outside the described central passage (13); Described supersonic generator (9) is installed in the described supersonic generator installation cavity.
4. reinforcement micro-reaction device according to claim 2 is characterized in that: described circulation of fluid passage is separated into two parts, and these two parts are interconnected and are symmetricly set in outside the described central passage (13), pass through for circulation of fluid.
5. reinforcement micro-reaction device according to claim 3 is characterized in that: described supersonic generator installation cavity is separated into two parts, and these two parts are symmetricly set in outside the described central passage (13).
6. a little reaction system is characterized in that: comprise feeding device, micro mixing device (3), each described reinforcement micro-reaction device (4) of claim 1-5 and stock chest (5); Feeding device links to each other with the charging aperture of micro mixing device (3), the discharging opening of micro mixing device (3) links to each other with the small size port of the central passage (13) of strengthening micro-reaction device (4), and the large scale port of strengthening the central passage (13) of micro-reaction device (4) links to each other with stock chest (5).
7. little reaction system according to claim 6 is characterized in that: described micro mixing device (3) comprises microreactor (6) and is arranged at the outside supersonic generator (9) of microreactor (6).
8. little reaction system according to claim 7 is characterized in that: described micro mixing device (3) also comprises ultrasonic bath, and described ultrasonic bath is around microreactor (6) outside, and described supersonic generator (9) is installed in the described ultrasonic bath.
9. little reaction system according to claim 8 is characterized in that: described ultrasonic bath comprises inside groove (7) and the water jacket (8) that links together, and supersonic generator (9) is installed in the water jacket (8); Whole microreactor (6) runs through inside groove (7) and is tightly connected together with inside groove (7); Inside groove (7) is realized the circulation of circulation of fluid by water inlet (10) and delivery port (11).
10. according to each described little reaction system of claim 6-9, it is characterized in that: described feeding device is connected and composed by liquid bath (1) and constant flow pump (2), has at least two cover feeding devices to link to each other with micro mixing device (3) in described little reaction system.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162395A (en) * | 2014-03-21 | 2014-11-26 | 中国科学院大连化学物理研究所 | Method for enhancing gas-liquid process in micro-reactor |
| CN104923137A (en) * | 2014-03-19 | 2015-09-23 | 中国科学院大连化学物理研究所 | Method for enhancing fluid mixing in micro-reactor |
| CN109078592A (en) * | 2018-09-25 | 2018-12-25 | 北京工业职业技术学院 | Reactor tank is used in a kind of preparation of nano-sized magnesium hydroxide |
| CN109622363A (en) * | 2018-12-24 | 2019-04-16 | 深圳市科力纳米工程设备有限公司 | A kind of wet grinding separator and system |
| CN110156090A (en) * | 2019-06-28 | 2019-08-23 | 中国科学院合肥物质科学研究院 | One kind being used to prepare Fe3O4The fluid of magnetic nanoparticle is synthetically prepared device and its control method |
| CN113856580A (en) * | 2021-10-14 | 2021-12-31 | 沈阳化工大学 | Process method for preparing superfine powder under multi-field coupling environment |
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2011
- 2011-01-26 CN CN 201120026283 patent/CN202036983U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923137A (en) * | 2014-03-19 | 2015-09-23 | 中国科学院大连化学物理研究所 | Method for enhancing fluid mixing in micro-reactor |
| CN104162395A (en) * | 2014-03-21 | 2014-11-26 | 中国科学院大连化学物理研究所 | Method for enhancing gas-liquid process in micro-reactor |
| CN109078592A (en) * | 2018-09-25 | 2018-12-25 | 北京工业职业技术学院 | Reactor tank is used in a kind of preparation of nano-sized magnesium hydroxide |
| CN109622363A (en) * | 2018-12-24 | 2019-04-16 | 深圳市科力纳米工程设备有限公司 | A kind of wet grinding separator and system |
| CN110156090A (en) * | 2019-06-28 | 2019-08-23 | 中国科学院合肥物质科学研究院 | One kind being used to prepare Fe3O4The fluid of magnetic nanoparticle is synthetically prepared device and its control method |
| CN110156090B (en) * | 2019-06-28 | 2021-08-10 | 中国科学院合肥物质科学研究院 | For preparing Fe3O4Fluid synthesis preparation device of magnetic nanoparticles and control method thereof |
| CN113856580A (en) * | 2021-10-14 | 2021-12-31 | 沈阳化工大学 | Process method for preparing superfine powder under multi-field coupling environment |
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