CN105749796A - Dispersing device and graphene material production system - Google Patents
Dispersing device and graphene material production system Download PDFInfo
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- CN105749796A CN105749796A CN201610226795.7A CN201610226795A CN105749796A CN 105749796 A CN105749796 A CN 105749796A CN 201610226795 A CN201610226795 A CN 201610226795A CN 105749796 A CN105749796 A CN 105749796A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
- B01F33/822—Combinations of dissimilar mixers with moving and non-moving stirring devices in the same receptacle
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
- B01F33/8362—Mixing plants; Combinations of mixers combining mixing with other treatments with chemical reactions
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- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/85—Mixing plants with mixing receptacles or mixing tools that can be indexed into different working positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/211—Measuring of the operational parameters
- B01F35/2115—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/2201—Control or regulation characterised by the type of control technique used
- B01F35/2202—Controlling the mixing process by feed-back, i.e. a measured parameter of the mixture is measured, compared with the set-value and the feed values are corrected
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
- B01F35/2215—Temperature
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
- B01F35/43—Supporting receptacles on frames or stands
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/92—Heating or cooling systems for heating the outside of the receptacle, e.g. heated jackets or burners
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
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- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/02—Apparatus characterised by being constructed of material selected for its chemically-resistant properties
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- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/10—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing sonic or ultrasonic vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/2204—Mixing chemical components in generals in order to improve chemical treatment or reactions, independently from the specific application
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- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
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- B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
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Abstract
The invention discloses a dispersing device and a graphene material production system.The dispersing device comprises an ultrasonic generation mechanism, a dispersing chamber and a stirring mechanism; an ultrasonic vibrating plate of the ultrasonic generation mechanism is in contact with the outer surface of the dispersing chamber; the dispersing chamber is provided with a dispersing cavity, and a stirring rod of the stirring mechanism extends into the dispersing cavity.The dispersing device can be applied to the preparation of graphene materials to help improve dispersing homogeneousness of solid material in a liquid medium and also help completely react the material, thus improving uniformity of product quality.
Description
Technical field
The present invention relates to chemical field, particularly to a kind of dispersal device and grapheme material production system.
Background technology
Grapheme material is a kind of two-dimensional material, and the physics of its excellence and architectural characteristic make it show outstanding application potential electronics, sensing and photoelectric device etc. are multi-field.Existing grapheme material adopts oxidation-reduction method to prepare mostly.The advantages such as oxidation-reduction method is prepared grapheme material and had simple to operate, and product machinability is good, but the stability of product is poor.
Summary of the invention
The inventors discovered that in grapheme material preparation process, affect main reason is that of properties of product stability, not good in the scattered uniformity of preparation process Raw, cause in follow-up reaction, material reaction is not exclusively or runaway reaction.
To prepare Graphene, it is necessary to first graphite is carried out pretreatment, disperse by graphite-inorganic strong protonic acid system, little for strong acid molecule is inserted graphite linings and asks；Again with strong oxidizer (such as KMnO4、KClO4Deng) it is carried out intercalation oxidation, obtain graphite oxide；Then again graphene oxide is carried out dispersion and obtain graphene oxide, finally further graphene oxide reduction is obtained Graphene.It follows that grapheme material needs repeatedly to use dispersion technology in preparation process, for the dispersion of solid-liquid system, prior art generally adopts Vltrasonic device.Vltrasonic device is adopted to disperse mainly by ultrasound wave material to the ultrasonic cavitation in liquid.Specifically, when ultrasound wave is propagated in a liquid, due to the high vibration of liquid particle, small holes can be produced at liquid internal, these little cavities swell rapidly and close, and can make to occur between liquid particle fierce effect of impact, thus producing several thousand to up to ten thousand atmospheric pressure.This violent interaction between microgranule, can make the temperature of liquid suddenly raise, serve good stirring action, make solid-liquid mix more fully.Vltrasonic device is adopted to carry out being dispersed with the interlamellar spacing helping widen graphite raw material, in order to carry out follow-up intercalation.
But, the use of ultrasonic disperse device has certain limitation, and namely it is not good to the dispersion effect of the material of thickness.The feed liquid content of thickness is low, not good for hyperacoustic transmission effect, so that dispersion effect is uneven；For some reactions, such as intercalation, this can cause raw material reaction incomplete.More seriously, owing to the capacity of heat transmission of sticky material is poor, ultrasound wave can make temperature of liquid suddenly raise in addition, the heat that reaction heat and ultrasound wave produce is made to concentrate on a face of material, cause hot-spot, make runaway reaction, even produce potential safety hazard.And in grapheme material preparation process, solid-liquid system raw material often viscosity is higher, thereby results in material reaction thing not exclusively even runaway reaction, affect the quality of product.
In view of this, the present invention proposes a kind of dispersal device and grapheme material production system.
The present invention provides a kind of dispersal device, including: ultrasonic generating mechanism, dispersing chamber and rabbling mechanism；
The ultrasound wave vibration plate of described ultrasonic generating mechanism contacts with the outer surface of described dispersing chamber；
Described dispersing chamber is provided with dispersion chamber, and the puddler of described rabbling mechanism extends into described dispersion intracavity.
Further, also including support, described support includes supportive body portion and roller；Described supportive body portion is used for supporting described ultrasonic generator and dispersing chamber；Described roller is arranged at the bottom in described supportive body portion.
Further, also including elevating mechanism, the lift side that described elevating mechanism is arranged is connected with described rabbling mechanism.
Further, also including temperature-detecting device, the test side of described temperature-detecting device extends into described dispersion intracavity.
Further, described dispersing chamber includes shell and interior room；
Described shell is metal shell；Described interior room is formed with described dispersion chamber, and the inner surface of described interior room is formed with anti-corrosion layer；
It is formed between described shell and described interior room for holding the areas of dielectric conducting liquid medium for ultrasound wave.
Further, tempering coil is also included；Described tempering coil is arranged at the periphery of described interior room；Described tempering coil is used for holding temperature regulating liquid.
Further, the first thermoregulative mechanism and/or the second thermoregulative mechanism are also included；Described first thermoregulative mechanism includes: the first liquid storing part, is used for holding described ultrasound wave conduction liquid, and described first liquid storing part connects with described areas of dielectric；First homoiothermic portion, is connected with described first liquid storing part, is heated for the ultrasound wave in described first liquid storing part is conducted liquid or freezes.
Described second attemperating unit includes: the second liquid storing part, is used for holding temperature regulating liquid, and described second liquid storing part connects with described tempering coil；Second homoiothermic portion, is connected with described second liquid storing part, for the homoiothermic in described second liquid storing part is heated or is freezed.
Further, also including temperature control system, described temperature control system includes: temperature reception unit unit, for receiving the temperature data that described temperature-detecting device sends；Processing unit, for controlling the duty in described first homoiothermic portion and/or the second homoiothermic portion according to described temperature data.
Further, described dispersing chamber also includes heat-insulation layer, and described heat-insulation layer is sheathed on described housing peripheral.
The present invention also provides for a kind of grapheme material production system, and it is provided with the dispersal device described in above-mentioned any one.
The present invention provides a kind of dispersal device, and this dispersal device is provided with ultrasonic generating mechanism, dispersing chamber and rabbling mechanism.The material of the dispersion intracavity of dispersing chamber can be carried out ultrasonic agitation and mechanical agitation by this dispersal device simultaneously, in dispersive process, the mechanical agitation power that rabbling mechanism applies helps speed up the flowing of material, to promote hyperacoustic transmission, material especially for thickness, it is favorably improved ultrasound wave and material to be fully contacted, and then improves the uniformity of material dispersion, thus it also avoid the situations such as the runaway reaction that material hot-spot causes.Therefore, dispersal device provided by the invention uses scope wide, and for various materials, especially the solid-liquid system material of thickness also has uniform dispersion effect, safe to use.It is applied to the preparation of grapheme material, is favorably improved solid material scattered uniformity in liquid medium, it helps material reaction is complete, and then improve the homogeneity of product quality.
Accompanying drawing explanation
The accompanying drawing constituting the part of the present invention is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
The structural representation of the dispersal device that Fig. 1 provides for the embodiment of the present invention one；
The structural representation of the dispersal device that Fig. 2 provides for the embodiment of the present invention two；
The structural representation of the dispersal device that Fig. 3 provides for another preferred embodiment of the present invention；
The structural representation of temperature control system part in the dispersal device that Fig. 4 provides for another preferred embodiment of the present invention；
The structural representation of the dispersal device that Fig. 5 provides for the embodiment of the present invention three；
The structural representation at another visual angle of the dispersal device that Fig. 6 provides for the embodiment of the present invention three.
Description of reference numerals:
1 ultrasound wave vibration plate 1a import
1b exports 1c drain port
2 dispersing chamber 21 shells
Room 23 areas of dielectric in 22
24 heat-insulation layer 3 puddlers
4 temperature-detecting device 5 tempering coil
5a inlet 5b liquid outlet
61 first liquid storing part 62 first homoiothermic portions
71 second liquid storing part 72 second homoiothermic portions
8 support 81 supportive body portions
82 roller 9 elevating mechanisms
91 lift side 10 feed pipes
11 axial limiting mechanism 12 upper covers
100 temperature control system 101 temperature reception unit
102 processing units
Detailed description of the invention
It should be noted that when not conflicting, the embodiment in the present invention and the feature in embodiment can be mutually combined.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
The present invention provides a kind of dispersal device, and material is had uniform dispersion effect by this device, especially the dispersion of the solid-liquid system of thickness.This dispersal device is particularly well-suited to grapheme material material system is disperseed, or proceeds intercalation.
Referring to Fig. 1, the figure shows the structure of the dispersal device that the embodiment of the present invention one provides, this dispersal device includes ultrasonic generating mechanism, dispersing chamber 2 and rabbling mechanism；
The ultrasound wave vibration plate 1 of ultrasonic generating mechanism contacts with the outer surface of dispersing chamber 2；
Dispersing chamber 2 is provided with dispersion chamber, and the puddler 3 of rabbling mechanism extends into this dispersion intracavity.
In the dispersal device that the embodiment of the present invention provides, dispersing chamber 2 is provided with dispersion chamber, is used for holding material；Such as, for preparing grapheme material, in the process that graphite raw material is carried out pretreatment, it is possible to be used for holding graphite-inorganic strong protonic acid material system；In the process that pretreated graphite is carried out intercalation oxidation, it is possible to be used for holding graphite-hardening agent solution system；In graphite oxide is carried out the process that dispersion is peeled off, it is possible to be used for holding graphene oxide-aqueous systems.
Ultrasonic generating mechanism is used for producing ultrasound wave, and ultrasound wave, by the exterior surface with dispersing chamber 2, is transmitted into dispersion intracavity by its ultrasound wave vibration plate 1, carries out ultrasonic disperse with the material to dispersion intracavity.The structure of this ultrasonic generating mechanism can be same as the prior art.For the number of ultrasound wave vibration plate 1, those skilled in the art can select in conjunction with concrete operating mode.
Meanwhile, the dispersal device that the embodiment of the present invention provides also includes rabbling mechanism, and the puddler 3 of this rabbling mechanism extends in stir chamber, and the material in stir chamber is carried out mechanical agitation.It can thus be appreciated that, this dispersal device can carry out ultrasonic agitation and mechanical agitation simultaneously, in dispersive process, the mechanical agitation power that rabbling mechanism applies helps speed up the flowing of material, to promote hyperacoustic transmission, especially for the material (such as graphite oxide-water material) of thickness, it is favorably improved ultrasound wave and is fully contacted with material, and then improve the uniformity of material dispersion, thus it also avoid the situations such as the runaway reaction that material hot-spot causes.Therefore, the dispersal device that the embodiment of the present invention provides uses scope wide, and for various materials, especially the solid-liquid system material of thickness also has uniform dispersion effect, safe to use.It is applied to the preparation of grapheme material, is favorably improved solid material scattered uniformity in liquid medium, it helps material reaction is complete, and then improve the homogeneity of product quality.
It should be noted that it will be understood by those skilled in the art that for chemical reaction, especially liquid phase reactor, is need limit dispersion just to carry out, or carry out immediately after dispersion, reunite again with the material after preventing dispersion.Therefore, the dispersal device that the embodiment of the present invention provides can be not only used for material is disperseed, as graphite oxide carries out the device that dispersion is peeled off；It is also used as reaction vessel.Such as: it can as the dispersal device of Graphitic pretreatment, the device etc. of graphite oxidation intercalation.
Dispersing chamber can by metal material, as stainless steel constitute.Metal has good conducting effect for ultrasound wave.For some, there is corrosive material system (such as graphite-inorganic strong protonic acid system), or subsequent chemical reaction needs to add corrosive raw materials (such as KMnO4) situation, the corrosion resistance of metal material is poor, if selecting it as dispersion cup or reaction vessel, it is easy to cause the corrosion of container, affect the service life of equipment.For this, dispersing chamber 2 preferably employs multiple structure, specifically refers to Fig. 1, and dispersing chamber 2 includes shell 21 and interior room 22 from outside to inside successively；Shell 21 is metal shell；Interior room 22 is formed with above-mentioned dispersion chamber, and, the inner surface of interior room 22 is formed with anti-corrosion layer；It is formed between shell 21 and interior room 22 for holding the areas of dielectric 23 conducting liquid medium for ultrasound wave.
In the dispersing chamber of this kind of structure, shell 21 is metal material, and such as rustless steel, it contacts with ultrasound wave vibration plate 1, is used for transmitting ultrasound wave.The inner surface of interior room 22 is formed with anti-corrosion layer, thus improves the corrosion resistance of dispersing chamber, and interior room 22 can be plastic material, such as polyethylene, polypropylene etc., it is also possible to for composite construction, only need to meet inner surface is anti-corrosion layer.Areas of dielectric 23 between shell 21 and interior room 22 is used for holding ultrasound wave conduction liquid medium, and this liquid medium is specifically as follows water.This medium is set for ultrasound wave is delivered to interior room 22 from shell 21.
Further, for the ease of adding liquid in areas of dielectric 23, shell 21 can being provided with import 1a, this import connects with areas of dielectric 23.Thus ultrasound wave conduction liquid can be entered in areas of dielectric 23 by this import 1a.It addition, be also provided with drain port 1c on shell 21, this drain port 1c connects with areas of dielectric 23, for being discharged by the liquid in areas of dielectric 23, this drain port 1c is provided with valve.Certainly, this shell 21 is further preferably provided with outlet 1b, and this outlet 1b connects with areas of dielectric 23；1b is arranged on the top of import 1a, it is possible to play the effect of overfall.
As shown in the above, this dispersing chamber had both had good corrosion resistance, had again longer service life, did not also affect hyperacoustic conduction.Additionally, above-mentioned dispersing chamber also has the advantage controlling reaction temperature.Specifically, the effect mutually of ultrasound wave and material can make the temperature of dispersion intracavity material suddenly raise, but for some reaction, the temperature that ultrasound wave produces is often too high or too low, it is unfavorable for being smoothed out of reaction, now by the temperature of the ultrasound wave conduction liquid regulated in areas of dielectric 23, regulate the temperature in interior room 22 by the conduction of heat of liquid, finally play the effect controlling reaction temperature.Such as, in the process that graphite is carried out intercalation oxidation, the heat of oxidation reaction liberated heat and ultrasound wave and material interaction release is too high, reaction rate can be caused too fast, temperature now by the ultrasound wave conduction liquid controlled in areas of dielectric 23 adjusts the temperature disperseing intracavity, in to areas of dielectric 23, pass into cold water, and then reach to control the effect of reaction rate, the quality of further stable prod.
Understanding the temperature in interior room 22 in time for the ease of operator, the dispersal device that the present embodiment provides is it is also preferred that include temperature-detecting device 4, and the test side of this temperature-detecting device 4 extends into dispersion intracavity, detects with the material system temperature to dispersion intracavity.Said temperature detecting device 4 can be thermometer, temperature sensor etc..Arrange said temperature detecting device 4 contribute to operator in time understand dispersion intracavity material temperature, for operator follow-up be adjusted dispersion cavity temperature operation provide foundation, it also avoid the generation of security incident.
Referring to Fig. 2, the figure shows the structure of the dispersal device that the embodiment of the present invention two provides, relative to the dispersal device that embodiment one provides, the dispersal device that the present embodiment provides also includes tempering coil 5；Tempering coil 5 is arranged at the periphery of interior room 22, and tempering coil 5 is used for holding temperature regulating liquid.The effect of above-mentioned tempering coil 5 is in that: regulate the temperature of dispersion intracavity, during use, the temperature regulating liquid (such as water) of preset temperature is passed into above-mentioned tempering coil 5, and the temperature regulating liquid of tempering coil 5 and inside thereof regulates the temperature of dispersion intracavity by conduction of heat.Specifically, this tempering coil 5 can be provided for the inlet 5a that temperature regulating liquid enters, and for the liquid outlet 5b that homoiothermic is discharged.
Further, since tempering coil 5 is wound around outside interior room 22, therefore its internal room 2222 may also operate as position-limiting action circumferentially, and to prevent in whipping process, interior room 22 collides with shell 21.Further, above-mentioned tempering coil 5 is preferably hard coil pipe, such as Stainless Steel Coil etc..
In the dispersal device that the present embodiment provides, those skilled in the art can pass through to adjust the temperature of liquid in areas of dielectric 23, and/or in tempering coil 5, the temperature of liquid regulates the temperature of dispersion intracavity, and then controls reaction temperature, and regulative mode is flexible.
It addition, be further preferably provided with axial limiting mechanism 11 in the dispersal device of the present embodiment offer, this axial limiting mechanism 11 is arranged in areas of dielectric 23, and this axis position-limit mechanism 11 one end is connected with the bottom surface of interior room 22, and the other end is connected with the bottom of shell 21.This axial limiting mechanism 11 carries out axial limiting for internal room 22, to prevent in whipping process, and the movement vertically of interior room 22.Above-mentioned axial limiting mechanism 11 can be limiting plate, limited post etc.；Number can be two, three or more, it is preferred at least three.
Further, referring to Fig. 3, the dispersal device that the present embodiment provides is it is also preferred that include the first thermoregulative mechanism and/or the second thermoregulative mechanism；Specifically:
Above-mentioned first thermoregulative mechanism includes: the first liquid storing part 61 and the first homoiothermic portion 62.Above-mentioned first liquid storing part 61 is used for holding ultrasound wave conduction liquid, and this first liquid storing part 61 connects with areas of dielectric 23；First homoiothermic portion 62 is connected with the first liquid storing part 61, is heated for the ultrasound wave in the first liquid storing part 61 is conducted liquid or freezes.
Second attemperating unit includes: the second liquid storing part 71 and the second homoiothermic portion 72.Above-mentioned second liquid storing part 71 is used for holding temperature regulating liquid, and the second liquid storing part 71 connects with tempering coil 5；Second homoiothermic portion 72 is connected with the second liquid storing part 71, for the homoiothermic in the second liquid storing part 71 is heated or is freezed.
More specifically, the 61 of above-mentioned first liquid storing part can be provided with the first leakage fluid dram and the first liquid return hole, first leakage fluid dram connects with the import 1a of shell 21, and the first liquid return hole connects with the outlet 1b of shell 21, and thus the liquid in the first liquid storing part 61 flows through also repeatable utilization after areas of dielectric 23.Further, between the first leakage fluid dram and the above-mentioned import 1a of above-mentioned first liquid storing part 61, or circulating pump can be provided with between the first liquid return hole of the first liquid storing part 61 and above-mentioned outlet 1b.
Similar, above-mentioned second liquid storing part 71 can be provided with the second leakage fluid dram and the second liquid return hole, second leakage fluid dram connects with the inlet 5a of tempering coil 5, and the second liquid return hole connects with the liquid outlet 5b of tempering coil 5, thus also repeatable utilization after the liquid flow tempering coil in the second liquid storing part 71.Further, between the second leakage fluid dram and the above-mentioned inlet 5a of above-mentioned second liquid storing part 71, and circulating pump can be provided with between the second liquid return hole of the second liquid storing part 71 and above-mentioned liquid outlet 5b.
As the more preferably scheme of the present embodiment, above-mentioned dispersal device also includes temperature control system, specifically, refers to Fig. 4, and this temperature control system 100 includes: temperature reception unit 101, for receiving the temperature data that temperature-detecting device 4 sends；Processing unit 102, for controlling the duty in the first homoiothermic portion 62 and/or the second homoiothermic portion 72 according to described temperature data.Thus, temperature control system is capable of being automatically adjusted of homoiothermic temperature of liquid, and then improves the precision that dispersion cavity temperature is controlled, and helps lend some impetus to being smoothed out of reaction.
Refer to Fig. 5, the figure shows the structure of the dispersal device that the embodiment of the present invention three provides.Relative to above-mentioned dispersal device, the dispersal device that the present embodiment provides also includes support 8.This support 8 includes supportive body portion 81 and roller 82.This supportive body portion 81 is used for supporting above-mentioned ultrasonic generator and dispersing chamber 2；Roller 82 is arranged at the bottom in supportive body portion 81.This dispersal device can be not only used for supporting parts, and bottom is provided with roller 82, is therefore moved easily, in order to operator arranges position according to what concrete operating mode adjusted dispersing chamber 2 parts such as grade.
It addition, refer to Fig. 6, this dispersal device is further preferably provided with elevating mechanism 9, and the lift side 91 of this elevating mechanism is connected with rabbling mechanism.Thus, it is possible to the lifting of the lift side 91 by controlling elevating mechanism 9, regulate the position of rabbling mechanism.Such as, when dispersion completes, after the material of dispersion intracavity is taken out, need dispersion chamber is carried out, now can pass through to control lift side 91 to promote, and then drive rabbling mechanism to promote, make the puddler 3 of rabbling mechanism depart from dispersion chamber, now interior room 22 just can be taken out by operator easily, and its dispersion chamber is carried out.
Referring to Fig. 1 to Fig. 3 and Fig. 5 to Fig. 6, in the dispersal device that above-described embodiment provides, dispersing chamber is it is also preferred that include heat-insulation layer 24, and this heat-insulation layer 24 is sheathed on the periphery of shell 21.This heat-insulation layer 24 carries out heat exchange for reducing the external world of material and dispersal device in dispersing chamber, with the temperature of stable dispersion intracavity material system.Heat-insulation layer 24 can be layer of polystyrene foam, polyurethane foam, rock wool layer, glass cotton carpet veneer etc..
It addition, in order to facilitate charging, above-mentioned dispersal device is also provided with feed pipe 10, feed pipe 10 for importing to dispersion intracavity by material.The number of this feed pipe 10 can be one, two or more, those skilled in the art can select in conjunction with concrete operating mode.
In order to prevent in dispersive process, spattering outside the material of dispersion intracavity, above-mentioned dispersal device is further preferably provided with upper cover 12, and this upper cover 12 covers at the top of dispersing chamber 2.This upper cover 12 is provided with and is available for the poke hole that the puddler 3 of rabbling mechanism wears.It addition, during for being provided with above-mentioned feed pipe 10, upper cover 12 is it is also preferred that offer and be available for the charging hole that feed pipe 10 wears.Arrange upper cover 12 can effectively prevent from spattering outside material, on the one hand do not affect productivity, on the other hand, for having corrosive material, be also prevented from material and spilt and contact with human body, improve security performance.
Another embodiment of the present invention also provides for a kind of grapheme material production system, and this production system is provided with the dispersal device that any of the above-described embodiment provides.
Above-mentioned grapheme material production system can include successively:
Above-mentioned dispersal device, for carrying out ultrasonic agitation dispersion to graphite raw material；And the graphite raw material after ultrasonic disperse is carried out intercalation oxidation, obtain graphite oxide；It is additionally operable to graphite oxide is carried out ultrasonic agitation stripping, obtains graphene oxide；
Purification devices, for above-mentioned graphene oxide Solid-liquid mixture is purified, obtains graphene oxide；
Drying device, for being dried graphene oxide material；
Reducing mechanism, for being pulverized by dried graphene oxide, obtains graphene oxide powder；
High temperature reduction device, reduces with to by graphene oxide powder, obtains graphene powder.
Above-mentioned grapheme material production system specifically may be used for preparing Graphene and functionalized graphite's alkene, above-mentioned functionalized graphite's alkene is such as, graphene oxide, amination Graphene, carboxylated Graphene, sulfonated Graphene, sulfhydrylation Graphene, cyano group Graphene, nitro Graphene, boronate Graphene, phosphate Graphene, hydroxylating Graphene, sulfhydrylation Graphene, methylate Graphene, allylation Graphene, trifluoromethyl functionalized graphene, dodecyl functionalized graphene, octadecyl functionalized graphene, fluorinated graphene, bromination Graphene, chlorination Graphene and iodate Graphene etc..
Owing to above-mentioned dispersal device has the suitability extensively, material dispersion is uniform, helps lend some impetus to material reaction advantage completely, and the Graphene production system being therefore provided with this dispersal device has the advantage that product quality homogeneity is good.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. a dispersal device, it is characterised in that including: ultrasonic generating mechanism, dispersing chamber (2) and rabbling mechanism；
The ultrasound wave vibration plate (1) of described ultrasonic generating mechanism contacts with the outer surface of described dispersing chamber (2)；
Described dispersing chamber (2) is provided with dispersion chamber, and the puddler (3) of described rabbling mechanism extends into described dispersion intracavity.
2. dispersal device according to claim 1, it is characterised in that also include support (8), described support (8) includes supportive body portion (81) and roller (82)；Described supportive body portion (81) is used for supporting described ultrasonic generator and dispersing chamber (2)；Described roller (82) is arranged at the bottom of described supportive body portion (81).
3. dispersal device according to claim 1, it is characterised in that also include elevating mechanism (9), the lift side (91) that described elevating mechanism (9) is arranged is connected with described rabbling mechanism.
4. dispersal device according to claim 1, it is characterised in that also including temperature-detecting device (4), the test side of described temperature-detecting device (4) extends into described dispersion intracavity.
5. the dispersal device according to Claims 1-4 any one, it is characterised in that
Described dispersing chamber (2) includes shell (21) and interior room (22)；
Described shell (21) is metal shell；Described interior room (22) is formed with described dispersion chamber, and the inner surface of described interior room (22) is formed with anti-corrosion layer；
It is formed between described shell (21) and described interior room (22) for holding the areas of dielectric (23) conducting liquid medium for ultrasound wave.
6. dispersal device according to claim 5, it is characterised in that also include tempering coil (5)；Described tempering coil (5) is arranged at the periphery of described interior room (22)；Described tempering coil (5) is used for holding temperature regulating liquid.
7. dispersal device according to claim 6, it is characterised in that also include the first thermoregulative mechanism and/or the second thermoregulative mechanism；
Described first thermoregulative mechanism includes: the first liquid storing part (61), is used for holding described ultrasound wave conduction liquid, and described first liquid storing part (61) connects with described areas of dielectric (23)；First homoiothermic portion (62), is connected with described first liquid storing part (61), is heated for the ultrasound wave in described first liquid storing part (61) is conducted liquid or freezes.
Described second attemperating unit includes: the second liquid storing part (71), is used for holding temperature regulating liquid, and described second liquid storing part (71) connects with described tempering coil (5)；Second homoiothermic portion (72), is connected with described second liquid storing part (71), for the homoiothermic in described second liquid storing part (71) is heated or is freezed.
8. dispersal device according to claim 7, it is characterized in that, also include temperature control system (100), described temperature control system (100) including: temperature reception unit (101) unit, is used for receiving the temperature data that described temperature-detecting device (4) sends；Processing unit (102), for controlling the duty in described first homoiothermic portion (62) and/or the second homoiothermic portion (72) according to described temperature data.
9. dispersal device according to claim 5, it is characterised in that described dispersing chamber (2) also includes heat-insulation layer (24), it is peripheral that described heat-insulation layer (24) is sheathed on described shell (21).
10. a grapheme material production system, it is characterised in that be provided with the dispersal device described in claim 1 to 9 any one.
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Application publication date: 20160713 |