CN206715904U - A kind of super gravity field microreactor for preparing nano material - Google Patents
A kind of super gravity field microreactor for preparing nano material Download PDFInfo
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- CN206715904U CN206715904U CN201720561496.9U CN201720561496U CN206715904U CN 206715904 U CN206715904 U CN 206715904U CN 201720561496 U CN201720561496 U CN 201720561496U CN 206715904 U CN206715904 U CN 206715904U
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Abstract
A kind of super gravity field microreactor for preparing nano material, including micro- reaction component, the splicing groove for being provided with discharging opening, the first motor, transmission system, feed system and support system, micro- reaction component is made up of upper disk and lower wall, on try to get to the heart of a matter face and lower wall top surface is distributed with the centre of micro- shape groove lower wall and is provided with charging microchannel, being tried to get to the heart of a matter on after combination has 0.03~0.1mm gap between face and lower wall top surface, operated in the drive lower transmission system of the first motor, so that the upper disk, lower wall in micro- reaction component are rotated with opposite direction of rotation.For the ease of adjusting gap and the upper disk of cleaning and the lower wall between the upper disk in micro- reaction component, lower wall, disk lifting system can be set up.Nano material is prepared using above-mentioned super gravity field microreactor, while keeping nano material to have polymolecularity, even particle distribution, increasing high throughput and can avoid micro- reaction component from blocking.
Description
Technical field
The utility model belongs to chemical reaction technical field, more particularly to it is a kind of prepare nano material super gravity field it is micro- anti-
Answer device.
Background technology
Nano material attention in recent years, it is different from the distinctive skin effect of conventional material, bulk effect, amount by it
Sub- dimensional effect, macro quanta tunnel effect etc. show important application value in numerous areas.
In nano material preparation process, particulate nucleation characteristic time tNFor 1ms levels, microcosmic well mixedization characteristic time
tm=km(v/ε)1/2(kmIt is constant), to ensure the polymolecularity of granularity and being evenly distributed, it is desirable to tm<tN, and stirred in conventional mechanical
Mix in groove type reactor, tm=5~50ms, more than tN, therefore have a strong impact on nucleating effect.To solve the above problems, prepared sizes
High degree of dispersion and the nano material being evenly distributed, develop in succession vapour deposition process, plasma method, gravity Method, ultrasonic method,
The preparation method such as microwave method and microreactor method.Wherein, microreactor method relies on microscopic heat conduction, and chemical reaction is limited in
In limited space, by increasing body surface area, shorten reactant contact distance, mass transfer velocity is greatly improved, and then tm<tN,
So that the nano material granularity prepared has dispersed, well distributed uniformity, refinement and the controllability of height, receive extensively
Concern.
Preparing the microreactor of nano material at present mainly has fenestra type, T-shaped, Y types, hydraulics focus type, thin layer to intersect
Type, recombinant type, branched stream injection type, outfield force coupled mode.But these microreactors still suffer from two during industrial applications
Individual problem：First, treating capacity is small, industrialization amplification is difficult, because microchannel or fenestra yardstick are generally in micron order, circulation by
To limitation, single-pass process amount is minimum, to reach industrial treatment amount, generally by the parallel amplification of microreactor, and works as microchannel
After quantity sharply increases, the detection of microreactor and control complexity can increase；Second, microchannel or fenestra easily block, it is difficult
With cleaning treatment, microreactor is usually that numerous microchannels or fenestra are integrated in closed chamber, and microchannel internal diameter or film
Hole aperture is narrow, react formation nanoparticles or raw material in impurity easily cause microchannel blocking, cleaning is difficult.In order to prevent
Block, handle device generally by external connection, the Flow Plate microreactors of such as Lonza designs, connected by outside
Vltrasonic device is connect, ultrasonic cavitation is produced inside convection body, prevents from blocking with this, but prevent from blocking up by external connection device
Plug cause it is complicated, cost increase, be unfavorable for industrialization promotion.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of super gravity field for preparing nano material
Microreactor, while keeping nano material that there is polymolecularity, even particle distribution, increase treating capacity and avoid micro- reaction
Component is blocked, and the industrialized production needs of nano material are prepared to meet chemical field based on liquid-phase precipitation method.
It is described in the utility model to prepare the super gravity field microreactor of nano material, including micro- reaction component, be provided with out
The splicing groove of material mouth, the first motor, transmission system, feed system and support system；Micro- reaction component is by upper disk and lower wall
Composition, EDS maps of above trying to get to the heart of a matter have micro- shape groove, and the centre in face of above trying to get to the heart of a matter is provided with dashpot, and micro- shape is distributed with lower wall top surface
Groove, the centre of lower wall are provided with charging microchannel, the material liquid of quantity >=formation reaction product of the charging microchannel
Species；The transmission system includes speed changer, the first power transmission shaft, second driving shaft, the 3rd power transmission shaft, the 4th power transmission shaft, first
Timing belt, gear driving pair, the second timing belt and multiple bearing assemblies for being combined with each power transmission shaft, the first timing belt is by
One timing belt driving wheel, the first timing belt driven pulley and the first transmission belt composition, gear driving pair is by driving gear and driven tooth
Wheel composition, the second timing belt are made up of the second timing belt driving wheel, the second timing belt driven pulley and the second transmission belt, the 4th transmission
The feeding-passage of upper surface is provided through in the axis body of axle, the quantity of the feeding-passage is entered with what lower wall centre was set
Expect that microchannel quantity is identical；
The support system includes under(-)chassis, middle frame, upper frame, the first bearing and fittings body, the joint
Body is provided with the centre bore matched with the 4th power transmission shaft lower section, and the center bore inner wall is provided with the bearing combined with four power transmission shafts
And it is provided with and the feeding-passage location matches in the 4th transmission shafts body and quantity identical charging chamber, the charging chamber
Place is provided through the charging aperture of center bore inner wall and outer wall, and sealing ring is provided between the bearing and charging chamber；It is described
Feed system by the charging aperture that is set on fittings body and charging chamber, the feeding-passage that is set in the axis body of the 4th power transmission shaft and under
The charging microchannel composition that disk center position is set.
The combination of above-mentioned component：
The under(-)chassis, middle frame, upper frame are overlapping to be placed and links into an integrated entity, and first bearing is arranged on
One end of upper frame cover top surface, the speed changer, the first motor be arranged on the first bearing on and the first motor power
The power input shaft of output shaft and speed changer connects；The upper end of first power transmission shaft and the power output axis connection of speed changer,
Lower end is combined with the bearing assembly on under(-)chassis bottom plate, and the upper end of the second driving shaft is with being arranged on upper frame
Bearing assembly combination on top plate, lower end are combined with the bearing assembly on upper frame bottom plate, and the two of second driving shaft
End combined with the bearing assembly after the centerline parallel of its center line and the first power transmission shaft, the upper end of the 3rd power transmission shaft and
On upper frame top plate bearing assembly combination, lower end be located under the bottom plate of upper frame, the 3rd power transmission shaft it is upper
The centerline parallel of its center line and second driving shaft after end is combined with the bearing assembly, and the 3rd center transmission shaft line and the
The distance between center line of two power transmission shafts should meet the installation of gear driving pair, and the fittings body is arranged on the bottom of under(-)chassis
On plate, point-blank, the 4th power transmission shaft lower section is arranged on joint to the center line of its center line and the 3rd power transmission shaft
In the endoporus of body, the 4th power transmission shaft upper end is located on the bottom plate of middle frame；The first timing belt driving wheel is arranged on the
The upper segment of one power transmission shaft, the first timing belt driven pulley are arranged on the upper segment of second driving shaft, and the driving gear is arranged on
The lower section of second driving shaft, driven gear are arranged on the 3rd power transmission shaft, and the second timing belt driving wheel is arranged on first
The lower section of power transmission shaft, the second timing belt driven pulley are arranged on the 4th power transmission shaft；The splicing groove is arranged on middle frame
Plate top surface, its installation site should make the 4th power transmission shaft upper end be located at the centre of splicing groove inner chamber；Micro- reaction component
In lower wall be fixed on the upper end of the 4th power transmission shaft and in the splicing groove, and each charging microchannel that lower wall centre is set
Connect respectively connection to the corresponding feeding-passage set in the 4th transmission shafts body, the upper disk in micro- reaction component is fixed on
The lower end of 3rd power transmission shaft simultaneously in the splicing groove, and on try to get to the heart of a matter between face and lower wall top surface and have between 0.03mm~0.1mm
Gap.
After combining in a manner described, operated in the drive lower transmission system of the first motor, so that in micro- reaction component
Upper disk, lower wall are rotated with opposite direction of rotation, and the structure of transmission system can be such that disk, lower wall is reversely revolved with identical rotating speed
Turn, disk, lower wall can also reversely rotated with different rotating speeds.
For the ease of adjusting gap and the upper disk of cleaning and the lower wall between the upper disk in micro- reaction component, lower wall, this practicality
New adopt the technical scheme that sets up disk lifting system.The upper disk lifting system includes the second motor, Bevel Gear Transmission
Pair, lift shaft, the second bearing, ball spline, locating piece and cylindrical bearing cylinder, the upper segment of the lift shaft is screw mandrel section,
Lift shaft bottom is provided with spline segment, the secondary driven wheel of differential centre bore of the Bevel Gear Transmission be with lift shaft set by screw mandrel section
The screw of matching, second bearing are provided with the through hole passed through for the screw mandrel section of lift shaft.In order to adapt to upper disk lifting system
26S Proteasome Structure and Function, the bottom of the 3rd power transmission shaft is provided with spline segment, the spline segment with upper frame bottom plate
The rotary ball spline combination of mother.The installation site and mode of upper each component of disk lifting system：The supporting cylinder is arranged on upper
The center line of the cover top surface of portion's framework, its center line and the 3rd power transmission shaft is point-blank；The lift shaft lower end leads to
Cross shaft coupling to be connected with the 3rd power transmission shaft upper end, lift shaft upper end Extension support cylinder, the ball spline is arranged on lift shaft
Spline segment, the quantity at least two of the locating piece, one end of each locating piece are pacified at equal intervals around the lateral surface of ball spline
Dress, their other end coordinate with supporting cylinder inwall to be dynamic；The screw mandrel section of second bearing and lift shaft is set with and is fixed on
The upper end of cylinder is supported, second motor is arranged on the second bearing, and the secondary drive bevel gear of the Bevel Gear Transmission is arranged on
On the power output shaft of second motor, the secondary driven wheel of differential of Bevel Gear Transmission is arranged on main described in the screw mandrel Duan Bingyu of lift shaft
Dynamic bevel gear combines.
The super gravity field microreactor described in the utility model for preparing nano material, the profile of the upper disk is truncated cone-shaped,
Small ladder truncated cone-shaped upper greatly or lower small truncated cone upper greatly down, the profile of the lower wall is truncated cone-shaped, up big and down small rank
Terraced truncated cone-shaped or up big and down small truncated cone.
The super gravity field microreactor described in the utility model for preparing nano material, the charging that lower wall centre is set are micro-
The preferred circular hole in duct, the interior preferred circular hole of the feeding-passage through upper surface set of axis body of the 4th power transmission shaft, the charging are micro-
Duct is identical with the aperture of feeding-passage, is 0.45mm~4mm.
The super gravity field microreactor described in the utility model for preparing nano material, micro- shape of above try to get to the heart of a matter face and lower wall top surface
Groove twist, arc, sector or honeycombed distribution.On try to get to the heart of a matter face and lower wall top surface micro- shape well width for 0.01mm~
0.80mm, depth are 0.05mm~0.75mm.
Using super gravity field microreactor described in the utility model, nano material operation is prepared such as using liquid-phase precipitation method
Under：
(1) start the first motor, operated in the drive lower transmission system of the first motor, so that upper in micro- reaction component
Disk, lower wall are rotated with opposite direction of rotation, and separation factor is controlled 15~250；
(2) each material liquid is sent into the 4th power transmission shaft axis body by the charging aperture and charging chamber that are set on fittings body respectively
The feeding-passage of interior setting, each material liquid enter through the feeding-passage charging microchannel in reaction component set by lower wall,
Enter again through the charging microchannel in a subtle way between the upper disk and lower wall of reaction component, each material liquid is surpassing caused by upper disk, lower wall
Under Action of Gravity Field by micro- shape groove layer layer in above try to get to the heart of a matter face and lower wall top surface mill constantly update contact interface and strengthen mass transfer it is complete
Into reaction, Nanoparticulate reaction product is formed, the slurry containing reaction product is got rid of into splicing groove under hypergravity effect, and
The discharging opening discharge set from splicing groove；
(3) slurry containing reaction product for discharging splicing groove discharging opening is cleaned, filters, dried, or filter, clean,
Dry, or dried after being cleaned while filtering, produce nano material.
Prepare nano material using super gravity field microreactor described in the utility model and liquid-phase precipitation method, treating capacity with it is each
Upper disk, lower wall radius in the feed rate of material liquid, micro- reaction component is related.
Compared with prior art, the utility model has the advantages that：
1st, super gravity field microreactor described in the utility model, tries to get to the heart of a matter face on micro- reaction component and lower wall top surface is distributed with
Micro- shape groove, rotated by upper disk with lower wall with opposite direction of rotation, construct and stablize adjustable super gravity field, it is caused
Hypergravity pushes reactant to outer rim by two disk center, and in the process, fluid constantly collides micro-groove, by shearing force and surpasses
The collective effect of gravity, and then disperseed, the broken surface for forming continuous renewal, mass transfer effect is greatly strengthened, and fluid stream
Speed increase, reaction time of the fluid in micro- reaction component drastically reduce, while in micro- of upper and lower two disk of micro- reaction component
Under microscopic heat conduction caused by gap, body surface area increase, mass transfer distance reduce between fluid, make tm＜ tNFurthermore improve anti-
The degree of supersaturation of reaction product in liquid is answered, according to classical nucleation theory, the increase of reaction product degree of supersaturation, nucleation rate drastically increases
Add, critical nucleation size declines, so that the narrow particle size distribution of reaction product, is obtained equal with polymolecularity and size distribution
Even nano material.
2nd, super gravity field microreactor described in the utility model, using active hybrid mode, reversely rotated by upper and lower disk
The super gravity field of formation, rate of flow of fluid is greatly improved, while micro- reaction component is non-closed system, fluid can be from upper and lower disk
Edge surrounding is thrown out of, thus the treating capacity of unit interval is greatly improved that (by taking example 3 as an example, treating capacity is
0.018m3/ h), and the reactor breaches the quantity amplification mode of the parallel superposition of conventional microreactor, experiment shows, device
Treating capacity and upper disk, the being proportionate property of cube of lower wall radius, therefore use with microreactor described in the utility model and side
Method prepares nano material, can reach commercial production level standard.
3rd, super gravity field microreactor described in the utility model, in the presence of super gravity field is coupled, material liquid quickly leads to
The microgap section of upper and lower two disk in micro- reaction component is crossed, and the spacing in microgap section can pass through according to reaction actual demand
The on-line control of upper disk lifting system and change, therefore impurity and generation sediment with reacted liquid by timely, quick
Micro- reaction component is thrown away, after reaction terminates in addition, body lifting can be checked and regulated by by upper disk lifting system, increase upper and lower two disk
Between spacing, it is convenient that cleaning removal of impurities is carried out to micro- reaction component.Experiment shows that microreactor continuous and steady operation 72h does not go out
Existing clogging, efficiently solve the blockage problem of microreactor.
4th, because upper disk, the lower wall of micro- reaction component rotate backward, relative acceleration can be not only improved, strengthens mixing mass transfer
Effect, and energy consumption can be reduced.
Brief description of the drawings
Fig. 1 is the first structural representation of the super gravity field microreactor described in the utility model for preparing nano particle；
Fig. 2 is second of structural representation of the super gravity field microreactor described in the utility model for preparing nano particle；
Fig. 3 is the signal of the under(-)chassis in the super gravity field microreactor described in the utility model for preparing nano particle
Figure；
Fig. 4 is the signal of the middle frame in the super gravity field microreactor described in the utility model for preparing nano particle
Figure；
Fig. 5 is the signal of the upper frame in the super gravity field microreactor described in the utility model for preparing nano particle
Figure；
Fig. 6 is the signal of the first power transmission shaft in the super gravity field microreactor described in the utility model for preparing nano particle
Figure；
Fig. 7 is the signal of the first timing belt in the super gravity field microreactor described in the utility model for preparing nano particle
Figure；
Fig. 8 is the signal of the gear driving pair in the super gravity field microreactor described in the utility model for preparing nano particle
Figure；
Fig. 9 is the signal of the 3rd power transmission shaft in the super gravity field microreactor described in the utility model for preparing nano particle
Figure；
Figure 10 is Fig. 9 A-A sectional views；
Figure 11 is Fig. 2 B-B sectional views；
Figure 12 is showing for the 4th power transmission shaft in the super gravity field microreactor described in the utility model for preparing nano particle
It is intended to；
Figure 13 is the 4th power transmission shaft in the super gravity field microreactor described in the utility model for preparing nano particle with connecing
The combination diagram of head body；
Figure 14 is showing for the second timing belt in the super gravity field microreactor described in the utility model for preparing nano particle
It is intended to；
Figure 15 is the schematic diagram of the blow tank in the super gravity field microreactor described in the utility model for preparing nano particle；
Figure 16 is the schematic diagram of the lift shaft in the super gravity field microreactor described in the utility model for preparing nano particle；
Figure 17 is Figure 16 C-C sectional views；
Figure 18 be lift shaft spline segment in the super gravity field microreactor described in the utility model for preparing nano particle with
The combination diagram of ball spline；
Figure 19 is the upper of micro- reaction component in the super gravity field microreactor described in the utility model for preparing nano particle
Disk schematic diagram；
Figure 20 is Figure 19 top view；
Figure 21 is under micro- reaction component in the super gravity field microreactor described in the utility model for preparing nano particle
Disk schematic diagram；
Figure 22 is Figure 21 top view；
Figure 23 be micro- reaction component on try to get to the heart of a matter the first form schematic diagram of micro-groove that face or lower wall top surface set, it is micro-
Type groove is twist distributed；
Figure 24 be micro- reaction component on try to get to the heart of a matter second of form schematic diagram of micro-groove that face or lower wall top surface set, it is micro-
Type groove is distributed in fan-shaped；
Figure 25 be micro- reaction component on try to get to the heart of a matter the third form schematic diagram of micro-groove that face or lower wall top surface set, it is micro-
The curved distribution of type groove；
Figure 26 be micro- reaction component on try to get to the heart of a matter the third form schematic diagram of micro-groove that face or lower wall top surface set, it is micro-
Type groove is distributed in honeycombed.
In figure, 1-under(-)chassis, 1-1-rectangular base plate, 1-2-arc support, 2-middle frame, 2-1-bottom plate, 2-
2-arc support, 3-upper frame, 3-1-bottom plate, 3-2-top plate, 3-3-arc support, 4-supporting cylinder, 5-the second
Seat, the 6-the first bearing, 7-speed changer, the 8-the first motor, the 9-the first power transmission shaft, the 10-the first timing belt driving wheel, 11-
First timing belt driven pulley, 12-driving gear, 13-driven gear, the 14-the three power transmission shaft, 14-1 linkage sections, 14-2 splines
Section, 15-disk is gone up, 15-1-dashpot, the rotary ball spline of 16-mother, the 17-the second timing belt driving wheel, 18-the second is same
Step band driven pulley, the 19-the four power transmission shaft, the feeding-passages of 19-1-first, the feeding-passages of 19-2-second, 20-lower wall, 20-
1-the first charging microchannel, the charging microchannels of 20-2-second, 21-fittings body, 21-1-gland, 21-2-hydrostatic bearing,
21-3-sealing ring, 21-4-charging chamber, 21-5-deep groove ball bearing, 21-6-rear end cap, 22-first charging aperture, 23-
Second charging aperture, 24-splicing groove, the discharging opening that 25-splicing groove is set, the 26-the second motor, 27-lift shaft, 27-1-silk
Bar segment, 27-2-spline segment, 28-ball spline, 29-shaft coupling, 30-locating piece, 31-plane bearing, 32-bearing group
Part, 33-second driving shaft.
Embodiment
By way of example and in conjunction with the accompanying drawings to the micro- reaction of the super gravity field for preparing nano particle described in the utility model
Device is described further.
Embodiment 1
In the present embodiment, the super gravity field microreactor of nano material is prepared as shown in figure 1, by micro- reaction component, setting
Splicing groove 24, the first motor 8, transmission system, feed system and the support system for having discharging opening 25 are formed.
Micro- reaction component is made up of upper disk 15 and lower wall 20, upper disk 15 as shown in Figure 19, Figure 20, profile for it is lower it is big on
Small ladder truncated cone-shaped, bottom surface are distributed with the micro- shape groove of spiral shape as shown in figure 23, and the centre in face of above trying to get to the heart of a matter is provided with slow
Jet-bedding 15-1, for lower wall 20 as shown in Figure 21, Figure 22, profile is up big and down small ladder truncated cone-shaped, and top surface is distributed just like Figure 23 institutes
The micro- shape groove of spiral shape shown, the centre of lower wall are provided with two charging microchannels, be named as the first charging microchannel 20-1,
Second charging microchannel 20-2；On the try to get to the heart of a matter radius of face and lower wall top surface be 5cm, the micro- shape groove of spiral shape and lower wall in face of above trying to get to the heart of a matter
The micro- shape well width of spiral shape of top surface is 0.5mm, depth 0.5mm, the first charging microchannel 20-1 and the second charging microchannel
20-2 is aperture identical circular hole, and the aperture of the circular hole is 2.5mm.
The transmission system includes speed changer 7, the first power transmission shaft 9, second driving shaft 33, the 3rd power transmission shaft the 14, the 4th and passed
Moving axis 19, the first timing belt, gear driving pair, the second timing belt and multiple bearing assemblies for being combined with each power transmission shaft；The
One timing belt the first timing belt driving wheel 10, the first timing belt driven pulley 11 and the first transmission belt as shown in fig. 7, be made up of；Tooth
Transmission is taken turns as shown in figure 8, being made up of driving gear 12 and driven gear 13；Second timing belt is as shown in figure 14, same by second
Step band driving wheel 17, the second timing belt driven pulley 18 and the second transmission belt composition；4th power transmission shaft 19 as shown in Figure 12,13, its
Two feeding-passages of upper surface are provided through in axis body, are named as the first feeding-passage 19-1, the second feeding-passage 19-2,
First feeding-passage 19-1 and the second feeding-passage 19-2 is aperture identical circular hole, and the aperture of the circular hole is 2.5mm.
The support system is made up of under(-)chassis 1, middle frame 2, upper frame 3, the first bearing 6 and fittings body 21；
Under(-)chassis 1 by rectangular base plate 1-1 and positioned at the symmetrically arranged arc support 1-2 in rectangular base plate both ends as shown in figure 3, form；
Middle frame 2 is as shown in figure 4, be cambered surface by both ends, the bottom plate 2-1 that both sides are plane and positioned at the symmetrically arranged arc in bottom plate both ends
Shape support 2-2 is formed, and the through hole passed through for the first power transmission shaft 9, the 4th power transmission shaft 19 is provided with bottom plate 2-1；Upper frame 3 is such as
Shown in Fig. 5, it is made up of the arc support 3-3 of bottom plate 3-1, top plate 3-2 and connecting bottom board and top plate, bottom plate 3-1 and top plate 3-2 shapes
Shape, size are identical, and their both ends are cambered surface, both sides are plane, are provided with bottom plate and top plate for the first power transmission shaft the 9, the 3rd
The through hole that power transmission shaft 14 passes through；Fittings body is as shown in figure 13, is provided with the centre bore matched with the lower section of the 4th power transmission shaft 19, should
Center bore inner wall upper end is provided with the hydrostatic bearing 21-2 combined with four power transmission shafts, lower end is provided with the depth combined with four power transmission shafts
Ditch ball bearing 21-5, the section between hydrostatic bearing and deep groove ball bearing are provided with and the charging in the 4th transmission shafts body
Two annulars of channel position matching feed chamber 21-4, and center bore inner wall and outer wall are provided through respectively at two charging chambers
First charging aperture 22 and second charging aperture 23, hydrostatic bearing and charging chamber between, two charging chambers between, deep-groove ball axle
Hold and feed and be provided with sealing ring 21-3 between chamber.
The feed system is set in the axis body of the 4th power transmission shaft by the charging aperture that is set on fittings body and charging chamber
The charging microchannel composition that feeding-passage and lower wall centre are set.
The combination of above-mentioned component is as shown in figure 1, the under(-)chassis 1, middle frame 2,3 overlapping placement of upper frame
And be connected through a screw thread part and link into an integrated entity, first bearing 6 is arranged on the left end of upper frame top plate 3-2 upper surfaces, institute
State speed changer 7, the first motor 8 is arranged on the first bearing 6 and the power of the power output shaft of the first motor and speed changer inputs
Axis connection；The upper end of first power transmission shaft 9 and the power output axis connection of speed changer, lower end are with being arranged on under(-)chassis bottom plate
The bearing assembly 32 of 1-1 left ends is combined, and the first power transmission shaft of confession 9 that middle frame bottom plate 2-1 and upper frame bottom plate 3-1 are set is worn
The through hole crossed is separately installed with the bearing assembly 32 combined with the first power transmission shaft 9；The second driving shaft 33 passes positioned at first
The right side of moving axis, its upper end is combined with the bearing assembly 32 on upper frame top plate 3-2, lower end is with being arranged on upper box
Bearing assembly 32 on frame bottom plate 3-1 combines, after the both ends of second driving shaft 33 are combined with the bearing assembly its center line with
The centerline parallel of first power transmission shaft 9；3rd power transmission shaft 14 is located at the right side of second driving shaft, and its upper end is upper with being arranged on
Bearing assembly 32 in portion's frame head plate combines, lower end is located under the bottom plate 3-1 of upper frame, the upper end of the 3rd power transmission shaft 14
With it is described combined with the bearing assembly after the centerline parallel of its center line and second driving shaft, upper frame bottom plate 3-1 sets
The through hole that the power transmission shaft 14 of confession the 3rd put passes through is provided with the bearing assembly 32 combined with the 3rd power transmission shaft 14；Described 4th passes
The lower section of moving axis 19 is arranged in the endoporus of fittings body, and is positioned by pressing plate 21-1 and back shroud 21-6, the 4th power transmission shaft 19
Upper end is located on the bottom plate 2-1 of middle frame, the through hole that the power transmission shaft 19 of confession the 4th that the bottom plate 2-1 of middle frame is set passes through
Place is provided with the bearing assembly 32 combined with the 4th power transmission shaft 19；The first timing belt driving wheel 10 is arranged on the first power transmission shaft
Upper segment, the first timing belt driven pulley 11 be arranged on second driving shaft upper segment, the driving gear 12 be arranged on second
The lower section of power transmission shaft, driven gear 13 are arranged on the 3rd power transmission shaft, and the second timing belt driving wheel 17 is arranged on first
The lower section of power transmission shaft, the second timing belt driven pulley 18 are arranged on the 4th power transmission shaft；The splicing groove 24 is arranged on middle part frame
The bottom plate 2-1 top surfaces of frame, its installation site should make the upper end of the 4th power transmission shaft 19 be located at the centre of splicing groove inner chamber；It is described micro-
Lower wall 20 in reaction component is fixed on the upper end of the 4th power transmission shaft 19 and in splicing groove, and the setting of lower wall centre
The the first feeding-passage 19- set in first charging microchannel 20-1, the second charging microchannel 20-2 and the 4th transmission shafts body
1st, the second feeding-passage 19-2 connects connection respectively, and the upper disk 15 in micro- reaction component is fixed on the lower end of the 3rd power transmission shaft
And in the splicing groove, and on try to get to the heart of a matter there is 0.08mm gap between face and lower wall top surface.
Embodiment 2
In the present embodiment, the super gravity field microreactor of nano material is prepared as shown in Fig. 2 by micro- reaction component, setting
Splicing groove 24, the first motor 8, transmission system, feed system, support system and the upper disk lifting system for having discharging opening are formed.With
The difference of embodiment 1 is：Add disk lifting system；The bottom of the 3rd power transmission shaft 14 is provided with spline in transmission system
Section 14-2 (see Fig. 9), the spline segment are combined (see figure with the rotary ball spline 16 of the mother on upper frame bottom plate 3-1
2)；Micro- shape groove of micro- shape groove and lower wall 20 top surface distribution of the upper bottom surface of disk 15 distribution is to fan as of fig. 24 in micro- reaction component
The micro- shape groove of shape, fan-shaped micro- shape well width of fan-shaped micro- shape groove and lower wall top surface in face of above trying to get to the heart of a matter are 0.06mm, depth 0.10mm,
First charging microchannel 20-1 and the second charging microchannel 20-2 aperture are 1.0mm；First on 4th power transmission shaft axis body enters
The aperture for expecting passage 19-1 and the second feeding-passage 19-2 is 1.0mm；On try to get to the heart of a matter between face and lower wall top surface with 0.05mm
Gap.
In this implementation, upper disk lifting system as shown in Fig. 2 including the second motor 26, Bevel Gear Transmission pair, lift shaft 27,
Second bearing 5, ball spline 28, locating piece 30 and cylindrical bearing cylinder 4, the lift shaft 27 is as shown in Figure 16, Figure 17, thereon
Section is screw mandrel section 27-1, and bottom is provided with spline segment 27-2, and the driven wheel of differential centre bore in the Bevel Gear Transmission pair is
With lift shaft set by the screws that match of screw mandrel section 27-1, the screw mandrel section 27-1 that second bearing 5 is provided with for lift shaft passes through
Through hole；The installation site and mode of upper each component of disk lifting system：The supporting cylinder 4 is arranged on the top plate 3-2 of upper frame
The center line of upper surface, its center line and the 3rd power transmission shaft 14 is point-blank；The lower end of lift shaft 27 passes through shaft coupling
29 are connected with the upper end of the 3rd power transmission shaft 14, and the bearing in shaft coupling is plane bearing 31, lift shaft upper end Extension support cylinder 4, institute
The spline segment 27-2 that ball spline 28 is arranged on lift shaft is stated, the quantity of the locating piece 30 is three, one end of each locating piece
Around the installation of 120 ° of the lateral surface interval of ball spline 28, their other end coordinates with supporting cylinder 4 inwall to be dynamic；Described second
Bearing 5 and the screw mandrel section 27-1 of lift shaft are set with and are fixed on the upper end of supporting cylinder 4, and second motor 26 is arranged on second
On seat, the drive bevel gear in the Bevel Gear Transmission pair is arranged on the power output shaft of the second motor, Bevel Gear Transmission pair
In driven wheel of differential be arranged on lift shaft screw mandrel section 27-1 and combined with the drive bevel gear.
Application examples
The application example prepares nano strontium carbonate using super gravity field microreactor described in embodiment 2, and operation is as follows：
(1) 321.56g strontium chlorides are weighed, 2000mL strontium chloride solutions are configured to distilled water, labeled as A liquid；Weigh carbon
Sour hydrogen ammonium 189.74g, adds distilled water to make its dissolving, adds 664.2mL ammoniacal liquor and 333.4mL absolute ethyl alcohols, and adds distillation
Water makes total liquid measure be stirred after reaching 2000mL, is configured to 2000mL mixed solutions, labeled as B liquid；
(2) start the first motor, operated in the drive lower transmission system of the first motor, so that upper in micro- reaction component
Disk, lower wall are using opposite direction of rotation, 1000rad/min rotational speed (separation factor is 219)；
(3) the A liquid configured, B liquid by the charging aperture that is set on fittings body and are entered respectively with 150mL/min flow
Expect that chamber is sent into the feeding-passage set in the 4th transmission shafts body, A liquid, B liquid enter in reaction component through the feeding-passage
Charging microchannel set by lower wall, enter again through the charging microchannel in a subtle way between the upper disk and lower wall of reaction component, A liquid, B
Liquid is milled continuous renewal under hypergravity effect caused by upper disk, lower wall by micro- shape groove layer layer in above try to get to the heart of a matter face and lower wall top surface
Contact interface and reinforcing mass transfer complete reaction, form Nanoparticulate strontium carbonate, the slurry containing strontium carbonate is under hypergravity effect
Got rid of into splicing groove, and the discharging opening discharge set from splicing groove；
(4) slurry that discharging opening is discharged is filtered, with pH >=10.5 after ammoniacal liquor is adjusted while filtering
Cleaning solution (NH4OH and NH4HCO3) cleaned, detected until by silver nitrate in filter liquor not untill chloride ion-containing；
(5) filter cake after cleaning is azeotroped off moisture with n-amyl alcohol, dried under the conditions of 150 DEG C to obtaining white powder
Product；
(6) white powder product is detected with transmission electron microscope, crystal grain is uniform, and particle diameter is up to 50nm, minimum
15nm, average grain diameter 28nm, show that prepared nano strontium carbonate particle diameter distribution is narrow, particle good dispersion.
In the present embodiment, the treating capacity of raw material is：150mL/min×2×60×10-6=0.018m3/h。
Claims (10)
1. a kind of super gravity field microreactor for preparing nano material, it is characterised in that including micro- reaction component, be provided with discharging
Splicing groove (24), the first motor (8), transmission system, feed system and the support system of mouth；
Micro- reaction component is made up of upper disk (15) and lower wall (20), and micro- shape groove, face of above trying to get to the heart of a matter is distributed with upper disk (15) bottom surface
Centre be provided with dashpot (15-1), lower wall (20) top surface is distributed with micro- shape groove, the centre of lower wall be provided with into
Expect microchannel, the material liquid species of quantity >=formation reaction product of the charging microchannel；
The transmission system includes speed changer (7), the first power transmission shaft (9), second driving shaft (33), the 3rd power transmission shaft (14), the
Four power transmission shafts (19), the first timing belt, gear driving pair, the second timing belt and multiple bearing groups for being combined with each power transmission shaft
Part, the first timing belt are made up of the first timing belt driving wheel (10), the first timing belt driven pulley (11) and the first transmission belt, gear
Transmission is made up of driving gear (12) and driven gear (13), and the second timing belt is by the second timing belt driving wheel (17), second
Timing belt driven pulley (18) and the second transmission belt are formed, and the charging of upper surface is provided through in the axis body of the 4th power transmission shaft (19)
Passage, the quantity of the feeding-passage are identical with the charging microchannel quantity that lower wall centre is set；
The support system includes under(-)chassis (1), middle frame (2), upper frame (3), the first bearing (6) and fittings body
(21), the fittings body is provided with the centre bore matched with the 4th power transmission shaft (19) lower section, the center bore inner wall be provided with
The bearing of four power transmission shafts combination simultaneously is provided with to enter with the feeding-passage location matches in the 4th transmission shafts body and quantity identical
Expect chamber (21-4), the charging aperture of center bore inner wall and outer wall, the bearing and charging are provided through at the charging chamber
Sealing ring is provided between chamber；
The feed system is by the charging aperture and charging chamber that are set on fittings body, the interior charging set of axis body of the 4th power transmission shaft
The charging microchannel composition that passage and lower wall centre are set；
The combination of above-mentioned component：
The under(-)chassis (1), middle frame (2), the overlapping placement of upper frame (3) simultaneously link into an integrated entity, first bearing
(6) one end of upper frame (3) cover top surface is arranged on, the speed changer (7), the first motor (8) are arranged on the first bearing
(6) on and the power input shaft of the power output shaft of the first motor and speed changer connects；The upper end of first power transmission shaft (9) with
The power output axis connection of speed changer, lower end are combined with the bearing assembly on under(-)chassis bottom plate, second transmission
The upper end of axle (33) is combined with the bearing assembly on upper frame (3) top plate, lower end is with being arranged on upper frame (3) bottom
Bearing assembly combination on plate, its center line and first is driven after the both ends of second driving shaft (33) are combined with the bearing assembly
The centerline parallel of axle (9), the upper end of the 3rd power transmission shaft (14) and the bearing assembly on upper frame (3) top plate
Combination, lower end are located under the bottom plate of upper frame (3), after the upper end of the 3rd power transmission shaft (14) is combined with the bearing assembly its
The centerline parallel of center line and second driving shaft, and between the 3rd center transmission shaft line and the center line of second driving shaft away from
From the installation that should meet gear driving pair, the fittings body (21) is arranged on the bottom plate of under(-)chassis (1), its center line and the
Point-blank, the 4th power transmission shaft (19) lower section is arranged on the endoporus of fittings body to the center line of three power transmission shafts (14)
In, the 4th power transmission shaft (19) upper end is located on the bottom plate of middle frame (2)；The first timing belt driving wheel (10) is arranged on
The upper segment of first power transmission shaft, the first timing belt driven pulley (11) are arranged on the upper segment of second driving shaft, the driving gear
(12) lower section of second driving shaft is arranged on, driven gear (13) is arranged on the 3rd power transmission shaft, the second timing belt master
Driving wheel (17) is arranged on the lower section of the first power transmission shaft, and the second timing belt driven pulley (18) is arranged on the 4th power transmission shaft；It is described
Splicing groove (24) is arranged on the plate top surface of middle frame (2), and its installation site should make the 4th power transmission shaft (19) upper end positioned at connecing
The centre of hopper inner chamber；Lower wall (20) in micro- reaction component is fixed on the upper end of the 4th power transmission shaft (19) and is located at
In splicing groove, and each charging microchannel and the interior corresponding feeding-passage set of the 4th transmission shafts body that lower wall centre is set
Connect connection respectively, and the upper disk (15) in micro- reaction component is fixed on the lower end of the 3rd power transmission shaft and in splicing groove,
Being tried to get to the heart of a matter on and has 0.03mm~0.1mm gap between face and lower wall top surface.
2. the super gravity field microreactor of nano material is prepared according to claim 1, it is characterised in that also carried including upper disk
Rise system, the upper disk lifting system include the second motor (26), Bevel Gear Transmission pair, lift shaft (27), the second bearing (5),
Ball spline (28), locating piece (30) and cylindrical bearing cylinder (4), the upper segment of the lift shaft (27) is screw mandrel section (27-
1), lift shaft bottom is provided with spline segment (27-2), and the secondary driven wheel of differential centre bore of the Bevel Gear Transmission is and lift shaft
The screw of set screw mandrel section (27-1) matching, second bearing (5) are provided with what is passed through for the screw mandrel section (27-1) of lift shaft
Through hole；
The bottom of 3rd power transmission shaft (14) is provided with spline segment (14-2), and the spline segment is with being arranged on upper frame (3) bottom
Rotary ball spline (16) combination of mother on plate；
The supporting cylinder (4) is arranged on the center of the cover top surface of upper frame (3), its center line and the 3rd power transmission shaft (14)
Line is point-blank；Lift shaft (27) lower end is connected by shaft coupling (29) with the 3rd power transmission shaft (14) upper end, lifting
Axle upper end Extension support cylinder (4), the ball spline (28) are arranged on the spline segment (27-2) of lift shaft, the locating piece (30)
Quantity at least two, one end of each locating piece installs at equal intervals around the lateral surface of ball spline (28), they another
End coordinates with supporting cylinder (4) inwall to be dynamic；The screw mandrel section (27-1) of second bearing (5) and lift shaft is set with and is fixed on branch
The upper end of cylinder (4) is held, second motor (26) is arranged on the second bearing, the secondary drive bevel gear peace of the Bevel Gear Transmission
On the power output shaft of the second motor, the secondary driven wheel of differential of Bevel Gear Transmission is arranged on the screw mandrel section (27-1) of lift shaft
And combined with the drive bevel gear.
3. the super gravity field microreactor according to claim 1 or claim 2 for preparing nano material, it is characterised in that in lower wall (20)
The charging microchannel that center portion position is set be circular hole, the feeding-passage through upper surface of setting in the axis body of the 4th power transmission shaft (19)
For circular hole, the charging microchannel is identical with the aperture of feeding-passage, is 0.45mm~4mm.
4. the super gravity field microreactor according to claim 1 or claim 2 for preparing nano material, it is characterised in that the upper disk
(15) micro- shape groove of bottom surface and lower wall (20) top surface twist, arc, sector or honeycombed distribution.
5. the super gravity field microreactor of nano material is prepared according to claim 3, it is characterised in that the upper disk (15)
Micro- shape groove of bottom surface and lower wall (20) top surface twist, arc, sector or honeycombed distribution.
6. the super gravity field microreactor according to claim 1 or claim 2 for preparing nano material, it is characterised in that the upper disk
(15) micro- shape well width of bottom surface and lower wall (20) top surface is 0.01mm~0.80mm, and depth is 0.05mm~0.75mm.
7. the super gravity field microreactor of nano material is prepared according to claim 3, it is characterised in that the upper disk (15)
Micro- shape well width of bottom surface and lower wall (20) top surface is 0.01mm~0.80mm, and depth is 0.05mm~0.75mm.
8. the super gravity field microreactor of nano material is prepared according to claim 4, it is characterised in that the upper disk (15)
Micro- shape well width of bottom surface and lower wall (20) top surface is 0.01mm~0.80mm, and depth is 0.05mm~0.75mm.
9. the super gravity field microreactor of nano material is prepared according to claim 5, it is characterised in that the upper disk (15)
Micro- shape well width of bottom surface and lower wall (20) top surface is 0.01mm~0.80mm, and depth is 0.05mm~0.75mm.
10. the super gravity field microreactor according to claim 1 or claim 2 for preparing nano material, it is characterised in that the upper disk
(15) profile is truncated cone-shaped, lower small ladder truncated cone-shaped upper greatly or lower small truncated cone upper greatly, the lower wall (20) it is outer
Shape is truncated cone-shaped, up big and down small ladder truncated cone-shaped or up big and down small truncated cone.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107224949A (en) * | 2017-05-19 | 2017-10-03 | 四川大学 | The method that a kind of super gravity field microreactor and liquid-phase precipitation method prepare nano material |
| CN108120627A (en) * | 2017-12-28 | 2018-06-05 | 郑州赫恩电子信息技术有限公司 | A kind of rotary type coal crushing device of detection of digging up mine |
| CN110193329A (en) * | 2019-05-17 | 2019-09-03 | 葛志强 | A kind of hypergravity coupling prepares the device of two-dimension nano materials |
| CN111974314A (en) * | 2019-05-22 | 2020-11-24 | 天津西敦津洋环保科技有限公司 | Micro-fluidized bed reactor and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107224949A (en) * | 2017-05-19 | 2017-10-03 | 四川大学 | The method that a kind of super gravity field microreactor and liquid-phase precipitation method prepare nano material |
| CN107224949B (en) * | 2017-05-19 | 2023-02-14 | 四川大学 | Method for preparing nano material by using high-gravity field microreactor and liquid-phase precipitation method |
| CN108120627A (en) * | 2017-12-28 | 2018-06-05 | 郑州赫恩电子信息技术有限公司 | A kind of rotary type coal crushing device of detection of digging up mine |
| CN110193329A (en) * | 2019-05-17 | 2019-09-03 | 葛志强 | A kind of hypergravity coupling prepares the device of two-dimension nano materials |
| CN111974314A (en) * | 2019-05-22 | 2020-11-24 | 天津西敦津洋环保科技有限公司 | Micro-fluidized bed reactor and application thereof |
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