CN110354958A - A kind of microwave-assisted planetary type ball-milling reactor - Google Patents
A kind of microwave-assisted planetary type ball-milling reactor Download PDFInfo
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- CN110354958A CN110354958A CN201910676507.1A CN201910676507A CN110354958A CN 110354958 A CN110354958 A CN 110354958A CN 201910676507 A CN201910676507 A CN 201910676507A CN 110354958 A CN110354958 A CN 110354958A
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- 238000000498 ball milling Methods 0.000 title claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 67
- 238000003801 milling Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 29
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000006229 carbon black Substances 0.000 claims description 4
- 239000002041 carbon nanotube Substances 0.000 claims description 4
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 4
- 229910021392 nanocarbon Inorganic materials 0.000 claims description 4
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 30
- 238000000034 method Methods 0.000 description 15
- 239000000843 powder Substances 0.000 description 12
- 230000006872 improvement Effects 0.000 description 10
- 239000007790 solid phase Substances 0.000 description 9
- 238000000227 grinding Methods 0.000 description 8
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- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 238000004321 preservation Methods 0.000 description 5
- 238000005275 alloying Methods 0.000 description 4
- 210000004907 gland Anatomy 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000713 high-energy ball milling Methods 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000004965 Silica aerogel Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 238000005265 energy consumption Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052863 mullite Inorganic materials 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
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- 239000011248 coating agent Substances 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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- 230000001804 emulsifying effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- -1 graphite alkene Chemical class 0.000 description 1
- 241000411851 herbal medicine Species 0.000 description 1
- ASTNLROMDNGJLS-UHFFFAOYSA-N hot-7 Chemical compound CCCSC1=CC(OC)=C(CCNO)C=C1OC ASTNLROMDNGJLS-UHFFFAOYSA-N 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005551 mechanical alloying Methods 0.000 description 1
- 238000003701 mechanical milling Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
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- 239000004408 titanium dioxide Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/04—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with unperforated container
- B02C17/08—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with unperforated container with containers performing a planetary movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/1815—Cooling or heating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/20—Disintegrating members
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The present invention provides a kind of microwave-assisted planetary type ball-milling reactors, including milling system, microwave-assisted system, control system and temperature sensor, milling system includes driving motor, shaft, turntable, ball grinder and the mill ball being placed in ball grinder, ball grinder is mounted on turntable, the bottom of turntable is connect by shaft with driving motor, microwave-assisted system includes microwave heating cylinder, microwave presents mouth and microwave generating apparatus, microwave feedback mouth be arranged in the side wall of microwave heating cylinder and with microwave heating tube inner chamber is closed is fastenedly connected, microwave feedback mouth is connected with microwave generating apparatus, the inside of microwave heating cylinder is arranged in turntable and ball grinder, the outside of microwave heating cylinder is arranged in driving motor, the bottom wall that the upper end of shaft passes through microwave heating cylinder is connect with turntable, the lower end of shaft is connect with driving motor, temperature sensor is for detecting microwave Cartridge heater internal temperature, microwave generating apparatus and temperature sensor are connect with control system.
Description
Technical field
The present invention relates to technology of chemical engineering, Chemical Reaction Engineering and technical field of powdered material preparation, and in particular to one
Kind ball milling reactor more particularly to a kind of microwave-assisted planetary type ball-milling reactor.
Background technique
Ball milling is using the percussion of abrasive body and the abrasive action of abrasive body and ball milling inner wall and by crushing material
And mixed process.When the rotation of ball-milling reaction device, due to the rubbing action between abrasive body and ball milling inner wall, by abrasive body according to
The direction of rotation is fallen again after taking, and is crushed material continuously.High energy ball
Mill is the high-speed rotation or vibration using ball milling, so that hard sphere is carried out strong shock, grinding and stirring to raw material, powder
Crush the method for nano-scale particle.Ball grinding technique can be also used for the machinery of powder other than comminuting matter, mixed material
Alloying, this be it is a kind of so that powder is subjected to deformation repeatedly, cold welding, broken by high-energy ball milling, to reach atom between element
The complicated physical and chemical process of horizontal alloying.As it can be seen that ball grinding technique is very widely used in the industrial production.
Mechanical milling process is a dynamic process, liquid can be made to consolidate, it is solid between strong collision occurs, to generate part
High temperature can produce high temperature and high pressure environment if providing heating environment simultaneously, promotes the diffusion of atom, is conducive to mechanical alloy
Change, but since traditional heating process is to transmit energy by heat transfer and convective heat transfer, mechanical alloying process is slow
Slowly, it usually needs tens hours or even a hour up to a hundred, low efficiency, this process is in addition to rate of energy transfer and energy benefit
With rate it is low except, due to being the heat transfer of contact, so design structure also can be extremely complex.
Planetary ball mill is designed for powders such as crushing, grinding, dispersed metal, nonmetallic, organic, Chinese herbal medicines
, it is particularly suitable for laboratory research and uses, its working principle is that is rolled at a high speed in grinding pot using abrasive material and sample, to material
Strong shear is generated, impacted, rolled and achieve the purpose that crushing, grinding, dispersion, emulsifying material.Planetary ball mill is at same turn
There are four ball grinders for dress on disk, and when turntable rotation, ball grinder surrounds Pivot Point Center rotation again while revolving around turntable shaft,
Make planetary motion.Abrading-ball mutually collides in high-speed motion in tank, grinds and mix sample.The product can be used dry, two kinds wet
The product that method grinding is different with combination grain, material is different, abrasive product minimum particle size can be to 0.1 micron.It can be real well
Existing various technological parameter requirements, simultaneously because being school, research unit, company the advantages of its small lot, low-power consumption, low price
It is the preferred unit for carrying out disintegrating process, new material, coating and studying.
It is well known that microwave heating is the energy feature using microwave, the process heated to object.Microwave is frequency
In 300 megahertzs of electromagnetic waves to 300 gigahertzs.Hydrone in heated medium material is polar molecule, it is quickly changing
High-frequency electromagnetic field action under, polarity orientation will change with the variation of external electric field, causes the movement of molecule and mutually rubs
Wipe effect.The field energy of microwave field is converted into the thermal energy in medium at this time, increases temperature of charge, generates thermalization and extruding is a series of
Materializing procedure and achieve the purpose that micro-wave drying.Microwave is instantaneous heat temperature raising to dielectric material, therefore has and quickly add
The feature of heat.On the other hand, the output power of microwave is adjustable at any time, medium temperature rise can inertialess change correspondingly, there is no " remaining
Heat " phenomenon, the needs of be highly advantageous to automatic control and continuous production.
However there is presently no by the relevant apparatus of microwave applications to planetary ball mill.Therefore, for art technology
For personnel, a kind of microwave-assisted planetary type ball-milling reactor how is developed, this has more real meaning.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of microwave-assisted planetary type ball-milling reactor,
To solve at least one technical problem existing for background technique.
To solve the above problems, the present invention provides a kind of microwave-assisted planetary type ball-milling reactor, including milling system,
The milling system includes driving motor, shaft, turntable, ball grinder and the mill ball being placed in ball grinder, the ball grinder peace
On the turntable, the bottom of the turntable is connect by shaft with the driving motor, it is characterised in that: further includes microwave
Auxiliary system, control system and temperature sensor, the microwave-assisted system include microwave heating cylinder, microwave feedback mouth and microwave hair
Generating apparatus, microwave feedback mouth be arranged in the side wall of microwave heating cylinder and with microwave heating tube inner chamber is closed is fastenedly connected, institute
It states microwave feedback mouth to connect with microwave generating apparatus, the inside of the microwave heating cylinder is arranged in the turntable and ball grinder, described
The outside of the microwave heating cylinder is arranged in driving motor, and the upper end of the shaft passes through the bottom wall of microwave heating cylinder and turntable connects
It connecing, the lower end of the shaft is connect with driving motor, and the temperature sensor is used to detect the microwave heating cylinder internal temperature,
The microwave generating apparatus and temperature sensor are connect with the control system.
As the further improvement of above-mentioned microwave-assisted planetary type ball-milling reactor, the temperature sensor is thermocouple；
Or, the temperature sensor is infrared online hygrosensor, the side wall of the microwave heating cylinder is equipped with infrared acquisition mouth, described
Infrared online hygrosensor detects the microwave heating cylinder internal temperature by the infrared acquisition mouth.
As the further improvement of above-mentioned microwave-assisted planetary type ball-milling reactor, the microwave heating cylinder material is gold
Belong to, the inner wall of the microwave heating cylinder is shiny surface.
As the further improvement of above-mentioned microwave-assisted planetary type ball-milling reactor, the quantity of the ball grinder is 2 or 4
A or 8, multiple ball grinders are arranged symmetrically on the turntable.
As the further improvement of above-mentioned microwave-assisted planetary type ball-milling reactor, the microwave generating apparatus includes microwave
Power supply and microwave rf generator.
As the further improvement of above-mentioned microwave-assisted planetary type ball-milling reactor, it is equipped in the ball grinder for detecting
The pressure sensor of the ball grinder internal pressure, the control that the roof of the ball grinder is equipped with pressure relief opening and is placed in pressure relief opening
Valve, the pressure sensor and the control valve are connect with the control system respectively.
As the further improvement of above-mentioned microwave-assisted planetary type ball-milling reactor, the quantity of the microwave feedback mouth is more
A, multiple microwave feedback opening's edges are circumferentially symmetrically distributed on the side wall of the microwave heating cylinder.
As the further improvement of above-mentioned microwave-assisted planetary type ball-milling reactor, the ball grinder material be ceramics or
Wave transparent resin.
As the further improvement of above-mentioned microwave-assisted planetary type ball-milling reactor, the wall of the ball grinder is interlayer knot
Structure, the sandwich are interior filled with one of graphene, carbon nanotube and nano carbon black or a variety of.
As the further improvement of above-mentioned microwave-assisted planetary type ball-milling reactor, the mill ball material be ceramics or
Metal or agate ball；The interface of the shaft and microwave heating cylinder is equipped with gland seal device；The top of the microwave heating cylinder
Protective cover is installed.
Microwave-assisted planetary type ball-milling reactor of the invention, use is microwave-assisted, and microwave heating is a kind of non-contact
The cold heating source of formula, it does not need to contact with heated object, nor needs a large amount of heat-insulating material and thermal insulation material design,
And microwave heating itself has good non-thermal effect, can promote the diffusion between atom, is conducive to the process of alloying
And diffusion, production efficiency can be greatly improved, the production time is shortened, therefore, carries out high-energy ball milling auxiliary using microwave, it will
Advantage between the two combines alloy powder material that can be excellent with processability.
In addition, microwave-assisted planetary type ball-milling reactor of the invention, can be applied to the reaction that all solid phases participate in, such as
Solid-liquid reaction, gas-solid reaction and solid-solid reaction etc. can allow solid phase to participate under the premise of realizing the more accurate control of temperature
Reaction more sufficiently and uniformly, be also applied for high quality powder material preparation and special chemical reaction engineering application.In addition,
The present invention have it is environmentally protective, it is environmental-friendly, using electric energy secondary energy sources as power, there is no pollution and the problem of high energy consumption.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the microwave-assisted planetary type ball-milling reactor of first embodiment of the invention；
Fig. 2 is the structural schematic diagram of the microwave-assisted planetary type ball-milling reactor of second embodiment of the invention.
In attached drawing:
1- driving motor 2- shaft 3- turntable
4- ball grinder 5- mill ball 6- control system
7- microwave heating cylinder 8- microwave presents mouth 9- microwave generating apparatus
The infrared online hygrosensor 11- infrared acquisition mouth 12- pressure relief opening of 10-
13- gland seal device 14- protective cover
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
Please refer to attached drawing.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The revealed content of specification is not intended to limit the invention enforceable so that those skilled in the art understands and reads
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
It does not influence still fall in disclosed technology contents under the effect of present invention can be generated and the purpose that can reach
It obtains in the range of capable of covering.
In the description of the present invention, it should be noted that orientation or positional relationship indicated by the term of appearance be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion institute
The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this hair
Bright limitation.In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, otherwise for ability
For the those of ordinary skill in domain, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
It please refers to shown in Fig. 1 and Fig. 2, a kind of microwave-assisted planetary type ball-milling reactor, including milling system, microwave-assisted
System, control system 6 and temperature sensor, milling system include driving motor 1, shaft 2, turntable 3, ball grinder 4 and are placed in ball
Mill ball 5 in grinding jar 4, ball grinder 4 are mounted on turntable 3, and the bottom of turntable 3 is connect by shaft 2 with driving motor 1, micro-
Wave auxiliary system includes microwave heating cylinder 7, microwave feedback mouth 8 and microwave generating apparatus 9, and microwave is presented mouth 8 and is arranged in microwave heating cylinder 7
Side wall and with 7 inner cavity of microwave heating cylinder is closed is fastenedly connected, microwave presents mouth 8 and microwave generating apparatus 9 connects, 3 He of turntable
The inside of microwave heating cylinder 7 is arranged in ball grinder 4, and the outside of microwave heating cylinder 7 is arranged in driving motor 1, and the upper end of shaft 2 is worn
The bottom wall for crossing microwave heating cylinder 7 is connect with turntable 3, and the lower end of shaft 2 is connect with driving motor 1, and temperature sensor is for detecting
7 internal temperature of microwave heating cylinder, microwave generating apparatus 9 and temperature sensor are connect with control system 6.
Wherein, driving motor 1, shaft 2, turntable 3, ball grinder 4 and the mill ball 5 being placed in ball grinder 4 can refer to
Existing structure is configured, and planetary type ball-milling reactor is equipped with multiple ball grinders 4 on same turntable 3, when turntable 3 rotates,
Ball grinder 4 surrounds Pivot Point Center rotation while around the shaft 2 revolution again, makees planetary motion.In general, multiple ball grinders 4
It needs to be arranged symmetrically in shaft 2, quantity can be 2, or 4, can also be 8, it is preferred that ball grinder 4
For interlayer ball grinder.
In an advantageous embodiment, the material of ball grinder is wave transparent resin or ceramic material, and the wall of ball grinder 4 is folder
Layer structure, the sandwich is interior to be filled with one of graphene, carbon nanotube and nano carbon black or a variety of strong absorbing materials,
I.e. ball grinder 4 have Packed sandwich perhaps ball grinder wall be equipped with interlayer ball milling tank skin be wave transparent resin or ceramics
Material, the strong absorbing materials such as sandwich filled graphite alkene, carbon nanotube and nano carbon black, such setting benefit is ball grinder
Microwave energy can be quickly absorbed, and is translated into thermal energy.
Microwave generating apparatus 9 includes microwave power supply and microwave rf generator, and microwave power supply is connected with microwave rf generator, microwave hair
It penetrates source and microwave feedback mouth 8 connects, microwave power supply and control system 6 connect, and microwave rf generator presents 8 pairs of ball grinders 4 of mouth by microwave
Interior material is heated, and the frequency and power of microwave rf generator are adjustable, and control system 6 controls microwave by microwave power supply
The output power of emission source.
Control system 6 is used to control the reaction temperature in ball grinder 4, control by temperature sensor and microwave-assisted system
System 6 is according to the detection signal of temperature sensor, then by the output power of control microwave generating apparatus 9, to reach control
The purpose of reaction temperature in ball grinder 4.As a kind of specific implementation of temperature sensor, temperature sensor is thermoelectricity
It is even.In a kind of equivalent technical solution, temperature sensor is infrared online hygrosensor 10, the side wall of microwave heating cylinder 7
Equipped with infrared acquisition mouth 11, infrared online hygrosensor 10 is corresponding with the position of infrared acquisition mouth 11, and infrared online temperature is visited
It surveys device 10 and 7 internal temperature of microwave heating cylinder is detected by infrared acquisition mouth 11, infrared acquisition mouth 11 usually can be by band metal mesh
Devitrified glass composition.Optionally, control system 6 is connect with driving motor 1, so as to control driving electricity by control system
The revolving speed of machine 1.
Microwave-assisted planetary type ball-milling reactor of the invention, use is microwave-assisted, and microwave heating is a kind of non-contact
The cold heating source of formula, it does not need to contact with heated object, nor needs a large amount of heat-insulating material and thermal insulation material design,
And microwave heating itself has good non-thermal effect, can promote the diffusion between atom, is conducive to the process of alloying
And diffusion, production efficiency can be greatly improved, the production time is shortened, therefore, carries out high-energy ball milling auxiliary using microwave, it will
Advantage between the two combines alloy powder material that can be excellent with processability.
In addition, microwave-assisted planetary type ball-milling reactor of the invention, can be applied to the reaction that all solid phases participate in, such as
Solid-liquid reaction, gas-solid reaction and solid-solid reaction etc. can allow solid phase to participate under the premise of realizing the more accurate control of temperature
Reaction more sufficiently and uniformly, be also applied for high quality powder material preparation and special chemical reaction engineering application.In addition,
The present invention have it is environmentally protective, it is environmental-friendly, using electric energy secondary energy sources as power, there is no pollution and the problem of high energy consumption.
In an advantageous embodiment, in order to avoid microwave from leakage, microwave heating cylinder 7 uses metal shell.I.e. microwave adds
Hot 7 material of cylinder is metal, and the inner wall of microwave heating cylinder 7 is shiny surface, and in other words, 7 cavity of microwave heating cylinder is by smooth metal group
At optionally, the surface roughness of 7 back boxing of microwave heating cylinder is less than 3.0 microns, in this way, can increase the reflection of microwave
Rate guarantees the heating efficiency of microwave.In addition, mill ball 5 can be metal, ceramics or agate ball material.
The pressure for detecting 4 internal pressure of ball grinder is equipped in order to avoid pressure is excessive in ball grinder 4, in ball grinder 4
Sensor, the control valve that the roof of ball grinder 4 is equipped with pressure relief opening 12 and is placed in pressure relief opening 12, pressure sensor and control valve
Door is connect with control system 6 respectively, and control system 6 controls the unlatching of control valve according to the detected value of pressure sensor, certainly
Safety valve can also be directly set at pressure relief opening 12, when pressure is more than preset value, safety valve is automatically turned on.The embodiment
In, ball grinder 4 is pressure vessel, and adjustable pressure has pressure relief opening 12 above, can realize temperature and pressure two at the same time
Under the premise of parameter more accurately controls, the reaction for allowing solid phase to participate in is more sufficiently and uniform, is suitable for high quality powder material
The application of preparation and special chemical reaction engineering.The characteristics of present invention incorporates microwave heatings and solid phase participate in the spy of reaction
Point, devise it is a kind of not only at normal temperatures and pressures, can also under high temperature and high pressure environment, be more accurately controlled reaction temperature and
The critical technical parameters such as pressure, and can guarantee the abundant progress reacted under the premise of good seal, for going on smoothly for production process
The important hardware foundation of offer is improved with stablizing for product quality.
In order to improve the uniformity of microwave field density in ball grinder 4, as shown in Fig. 2, microwave feedback mouth 8 quantity be it is multiple, it is more
A microwave feedback mouth 8 is circumferentially symmetrically distributed on the side wall of microwave heating cylinder 7, correspondingly, the quantity of microwave generating apparatus 9 is also
Multiple, a microwave generating apparatus 9 connects a microwave and presents mouth 8, and multiple microwave generating apparatus 9 are connect with control system 6.
Specific optional, control system 6 includes control cabinet and the control panel that control cabinet surface is arranged in, on control panel
Equipped with the display screen and key etc. for display parameters, it is saturating that the inner surface of 7 side wall of microwave heating cylinder circumferentially wraps up one layer of heat preservation
Wave layer keeps the temperature wave permeation layer between microwave heating cylinder 7 and ball grinder 4.Wherein, metal is not worked but is easy using microwave
By the mechanism of ceramics, plastics and paper products, ball grinder 4, heat preservation wave permeation layer material can be glass or ceramics or resin
Material, in an advantageous embodiment, heat preservation wave permeation layer are made of wave-transmitting ceramic material, preferably mullite fiber composite material
Or corundum-mullite composite material.In another preferred embodiment, heat preservation wave permeation layer material is silicon dioxide powder, titanium dioxide
Silica aerogel powder and waterglass mix in mass ratio, and wherein silicon dioxide powder accounts for 10-20 parts, silica aerogel powder accounts for
10-20 parts, waterglass accounts for 60-80 parts, carries out castable after evenly mixing, is then sintered at 1200-1500 degrees Celsius
It handles and obtains heat preservation wave permeation layer, in the embodiment, while the huge porosity of aeroge makes it with good wave,
There is very excellent heat insulating ability again.
Specific optional, the interface of shaft 2 and microwave heating cylinder 7 is equipped with gland seal device 13, and gland seal device 13 is used for
It such as can be rotary sealing appts, rotary sealing appts with the interface of sealing pivot 2 and microwave heating cylinder 7 to sealing function
Belong to the prior art.In order to improve the security performance of this microwave-assisted planetary type ball-milling reactor, the top peace of microwave heating cylinder 7
Equipped with protective cover 14, protective cover 14 has the function of metal explosion-proof, i.e. it can be Separated explosion-proof that protective cover 14, which is explosive-proof protector cover,
Material product.
To sum up, microwave-assisted planetary type ball-milling reactor of the invention can be applied to the reaction that all solid phases participate in, such as
Solid-liquid reaction, gas-solid reaction and solid-solid reaction etc. can allow solid phase to participate under the premise of realizing the more accurate control of temperature
Reaction more sufficiently and uniformly, be also applied for high quality powder material preparation and special chemical reaction engineering application.
Microwave-assisted planetary type ball-milling reactor of the invention, mainly with following several respects the utility model has the advantages that
One, structure is simple, easy to use, manufactures low with maintenance cost；
Two, applied widely, it is able to use in all reactions participated in solid phase；
Three, use condition is wide, either the reaction under normal temperature and pressure, the reaction being also possible under high temperature and pressure；
Four, the characteristics of microwave heating is made full use of, microwave is instantaneous heat temperature raising to dielectric material, and microwave heating, which has, to be added
It is hot uniformly, heating speed is fast, thermal loss is small, it is easy to operate, fold control in time, the features such as being quick on the draw, while microwave
Output power is adjustable at any time, medium temperature rise can inertialess change correspondingly, residual activity phenomenon is not present, be highly advantageous to automatic control
With the needs of continuous production, it is thus possible to which, so that the more uniform temperature in ball grinder, temperature control reaction is sensitiveer；
Five, the present invention has environmentally protective, environmental-friendly, and using electric energy secondary energy sources as power, there is no pollution and high energy
The problem of consumption.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of microwave-assisted planetary type ball-milling reactor, including milling system, the milling system include driving motor (1),
Shaft (2), turntable (3), ball grinder (4) and the mill ball (5) being placed in ball grinder (4), the ball grinder (4) are mounted on described
On turntable (3), the bottom of the turntable (3) is connect by shaft (2) with the driving motor (1), it is characterised in that: further includes
Microwave-assisted system, control system (6) and temperature sensor, the microwave-assisted system include microwave heating cylinder (7), microwave feedback
Mouthful (8) and microwave generating apparatus (9), microwave feedback mouth (8) be arranged microwave heating cylinder (7) side wall and with microwave heating cylinder
(7) inner cavity is closed is fastenedly connected, microwave feedback mouth (8) and microwave generating apparatus (9) connection, the turntable (3) and ball milling
Tank (4) setting is in the inside of the microwave heating cylinder (7), and driving motor (1) setting is in the outer of the microwave heating cylinder (7)
Portion, the bottom wall that the upper end of the shaft (2) passes through microwave heating cylinder (7) are connect with turntable (3), the lower end of the shaft (2) and
Driving motor (1) connection, the temperature sensor occur for detecting microwave heating cylinder (7) internal temperature, the microwave
Device (9) and temperature sensor are connect with the control system (6).
2. microwave-assisted planetary type ball-milling reactor according to claim 1, it is characterised in that: the temperature sensor is
Thermocouple；Or, the temperature sensor is infrared online hygrosensor (10), the side wall of the microwave heating cylinder (7) is equipped with
Infrared acquisition mouth (11), the infrared online hygrosensor (10) are detected the microwave by the infrared acquisition mouth (11) and are added
Hot cylinder (7) internal temperature.
3. microwave-assisted planetary type ball-milling reactor according to claim 1, it is characterised in that: the microwave heating cylinder
(7) material is metal, and the inner wall of the microwave heating cylinder (7) is shiny surface.
4. microwave-assisted planetary type ball-milling reactor according to claim 1, it is characterised in that: the ball grinder (4)
Quantity is 2 or 4 or 8, and multiple ball grinders (4) are arranged symmetrically on the turntable (3).
5. microwave-assisted planetary type ball-milling reactor according to claim 1, it is characterised in that: the microwave generating apparatus
It (9) include microwave power supply and microwave rf generator.
6. microwave-assisted planetary type ball-milling reactor according to claim 1, it is characterised in that: in the ball grinder (4)
Equipped with the pressure sensor for detecting the ball grinder (4) internal pressure, the roof of the ball grinder (4) is equipped with pressure relief opening
(12) and the control valve that is placed in pressure relief opening (12), the pressure sensor and the control valve are with the control respectively
System (6) connection.
7. microwave-assisted planetary type ball-milling reactor according to claim 1, it is characterised in that: the microwave presents mouth (8)
Quantity be it is multiple, multiple microwaves feedback mouth (8) is circumferentially symmetrically distributed on the side wall of the microwave heating cylinder (7).
8. microwave-assisted planetary type ball-milling reactor according to claim 1-7, it is characterised in that: the ball milling
Tank (4) material is ceramics or wave transparent resin.
9. microwave-assisted planetary type ball-milling reactor according to claim 8, it is characterised in that: the ball grinder (4)
Wall is sandwich, filled with one of graphene, carbon nanotube and nano carbon black or a variety of wave transparents in the sandwich
Resin.
10. microwave-assisted planetary type ball-milling reactor according to claim 1-7, it is characterised in that: described to grind
Abrading-ball (5) material is ceramics or metal or agate ball；The interface of the shaft (2) and microwave heating cylinder (7) is equipped with axis
Seal apparatus (13)；Protective cover (14) are installed at the top of the microwave heating cylinder (7).
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| CN201910676507.1A CN110354958A (en) | 2019-07-25 | 2019-07-25 | A kind of microwave-assisted planetary type ball-milling reactor |
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| CN201910676507.1A CN110354958A (en) | 2019-07-25 | 2019-07-25 | A kind of microwave-assisted planetary type ball-milling reactor |
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| CN111545305A (en) * | 2020-03-27 | 2020-08-18 | 湖南工程学院 | Ball mill device |
| CN112221621A (en) * | 2020-10-29 | 2021-01-15 | 华南理工大学 | Electromagnetic vibration ball mill |
| CN114011527A (en) * | 2021-11-23 | 2022-02-08 | 湖南长仪微波科技有限公司 | Drum-type microwave high-temperature roasting ball mill for industrial production |
| CN114042507A (en) * | 2021-11-23 | 2022-02-15 | 湖南长仪微波科技有限公司 | Microwave high-temperature roasting planetary ball mill |
| CN114100787A (en) * | 2021-11-23 | 2022-03-01 | 湖南长仪微波科技有限公司 | Laboratory drum-type microwave high temperature roasting ball mill |
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| CN114011527B (en) * | 2021-11-23 | 2022-11-29 | 湖南长仪微波科技有限公司 | Drum-type microwave high-temperature roasting ball mill for industrial production |
| CN114042507B (en) * | 2021-11-23 | 2022-11-29 | 湖南长仪微波科技有限公司 | Microwave high-temperature roasting planetary ball mill |
| CN114100787B (en) * | 2021-11-23 | 2022-11-29 | 湖南长仪微波科技有限公司 | Laboratory drum-type microwave high temperature calcination ball mill |
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