CN110354720A - A kind of stirred tank based on Microwave-assisted firing - Google Patents
A kind of stirred tank based on Microwave-assisted firing Download PDFInfo
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- CN110354720A CN110354720A CN201910676896.8A CN201910676896A CN110354720A CN 110354720 A CN110354720 A CN 110354720A CN 201910676896 A CN201910676896 A CN 201910676896A CN 110354720 A CN110354720 A CN 110354720A
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- microwave
- autoclave body
- stirring
- stirred tank
- stirring autoclave
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- 238000010304 firing Methods 0.000 title claims abstract description 36
- 238000003756 stirring Methods 0.000 claims abstract description 103
- 238000004321 preservation Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 11
- 239000004965 Silica aerogel Substances 0.000 claims description 6
- 235000019353 potassium silicate Nutrition 0.000 claims description 6
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 6
- 210000004907 gland Anatomy 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 29
- 238000000034 method Methods 0.000 description 11
- 230000006872 improvement Effects 0.000 description 10
- 239000007790 solid phase Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 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
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 206010054949 Metaplasia Diseases 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 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
- 238000001035 drying Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation 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
- 238000005551 mechanical alloying Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
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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
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- 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
- B01F35/213—Measuring of the properties of the mixtures, e.g. temperature, density or colour
-
- 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
-
- 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
-
- 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
- B01F2035/99—Heating
Abstract
The present invention provides a kind of stirred tanks based on Microwave-assisted firing, including stirring autoclave body, agitating shaft, microwave-assisted system and control system, agitating shaft protrudes on the one end for stirring autoclave body and is provided with stirring blade, stirring autoclave body top is provided with the external motor for driving agitating shaft and stirring blade to work, the roof that the other end of agitating shaft passes through stirring autoclave body is connect with external motor, microwave-assisted system includes microwave feedback mouth, microwave rf generator and microwave power supply, microwave presents mouth, microwave rf generator and microwave power supply are sequentially connected, control system includes control cabinet and the control panel that control cabinet surface is arranged in, stirring autoclave body includes the microwave shielding layer of outer layer and the heat preservation wave permeation layer of internal layer, microwave feedback mouth be arranged in the side wall of stirring autoclave body and with stirred tank intracoelomic cavity is closed is fastenedly connected, microwave power supply is connect with control system, stir autoclave body The interior temperature sensor being equipped with for detecting stirred tank body internal temperature, temperature sensor are connect with control system.
Description
Technical field
The present invention relates to mixing plant technical fields, and in particular to a kind of stirred tank based on Microwave-assisted firing.
Background technique
The broad understanding of stirred tank has the container physically or chemically reacted, is designed by the structure to container and is matched with parameter
It sets, as reaction kettle performance principle, realizes the mixed function for heating, evaporation, cooling and the low high speed that technique requires.
Such as application No. is the utility applications of " 201820360140.3 " to be related to a kind of stirred tank of homogeneous heating,
Including autoclave body, autoclave body includes side wall, bottom wall and top cover, and agitating paddle is provided in autoclave body, and autoclave body top is provided with for driving
The motor of agitating paddle work；Be provided with cavity in side wall lower ends and bottom wall, if having in cavity for thermally conductive conductive fluid and
Dry group is electrically heated rod for heating the heating device of conductive fluid, heating device, and the stirring being in U-shape is provided in autoclave body inner bottom wall
Blade, stirring blade middle position are fixedly connected with agitating paddle bottom end, and stirring blade middle position bottom end passes through with inner wall of kettle
Bearing rotation connection, stirring blade both ends are provided with multiple tracks bending.
In the prior art and above-mentioned patented technology, generally heated using traditional heating modes such as electrically heated rods, but portion
Material is divided to react in whipping process, stringent to temperature requirement, the deviation of temperature will affect mixing effect, and there are dangerous
Factor, and traditional heating process is that energy is transmitted by heat transfer and convective heat transfer, mechanical alloying process is slow, leads to
Often need tens hours or even a hour up to a hundred, low efficiency, this process low in addition to rate of energy transfer and capacity usage ratio
Except, due to being the heat transfer of contact, so design structure also can be extremely complex.
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 stirred tank.Therefore, for those skilled in the art and
How speech, develop a kind of stirred tank based on Microwave-assisted firing, 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 stirred tank based on Microwave-assisted firing,
To solve at least one technical problem existing for background technique.
To solve the above problems, the present invention provides a kind of stirred tank based on Microwave-assisted firing, including stirring autoclave body
And agitating shaft, the agitating shaft protrude on the one end for stirring autoclave body and are provided with stirring blade, the stirring autoclave body top is provided with
External motor for driving agitating shaft and stirring blade to work, the other end of the agitating shaft pass through the roof of stirring autoclave body with
The external motor connection, it is characterised in that: including microwave-assisted system and control system, the microwave-assisted system includes micro-
Wave presents mouth, microwave rf generator and microwave power supply, and the microwave feedback mouth, microwave rf generator and microwave power supply are sequentially connected, the control
System processed includes control cabinet and the control panel that control cabinet surface is arranged in, and the stirring autoclave body includes the microwave shielding layer of outer layer
With the heat preservation wave permeation layer of internal layer, microwave feedback mouth be arranged in the side wall of stirring autoclave body and with the closed fastening of stirred tank intracoelomic cavity
Connection, the microwave power supply are connect with the control system, are equipped in the stirred tank body for detecting in the stirred tank body
The temperature sensor of portion's temperature, the temperature sensor are connect with the control system.
As the further improvement of the above-mentioned stirred tank based on Microwave-assisted firing, the external motor is decelerating motor.
As the further improvement of the above-mentioned stirred tank based on Microwave-assisted firing, the stirring autoclave body include upper housing and
Lower case, the upper housing removably seal buckle closure in the lower case, shape between the upper housing and the lower case
At Packed microwave heating chamber.
As the further improvement of the above-mentioned stirred tank based on Microwave-assisted firing, the temperature sensor is thermocouple；
Or, the temperature sensor is infrared online hygrosensor, the side wall of the stirring autoclave body is equipped with infrared acquisition mouth, described red
Outer online hygrosensor detects the stirred tank body internal temperature by the infrared acquisition mouth.
As the further improvement of the above-mentioned stirred tank based on Microwave-assisted firing, the microwave shielding layer material is gold
Belong to.
As the further improvement of the above-mentioned stirred tank based on Microwave-assisted firing, it is equipped in the stirred tank body for examining
The pressure sensor of the stirred tank body internal pressure is surveyed, the roof of the stirring autoclave body is equipped with pressure relief opening and is placed in pressure relief opening
Control valve, the pressure sensor and the control valve are connect with the control system respectively.
As the further improvement of the above-mentioned stirred tank based on Microwave-assisted firing, 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 stirring autoclave body.
As the further improvement of the above-mentioned stirred tank based on Microwave-assisted firing, the heat preservation wave permeation layer material is ceramics
Or wave transparent resin.
As the further improvement of the above-mentioned stirred tank based on Microwave-assisted firing, the heat preservation wave permeation layer material is dioxy
SiClx powder, silica aerogel powder and waterglass mix in mass ratio, and wherein silicon dioxide powder accounts for 10-20 parts, titanium dioxide
Silica aerogel powder accounts for 10-20 parts, and waterglass accounts for 60-80 parts, castable is carried out after evenly mixing, then in 1200-1500
It degree Celsius is sintered to obtain the heat preservation wave permeation layer.
As the further improvement of the above-mentioned stirred tank based on Microwave-assisted firing, the agitating shaft connects with stirring autoclave body
Gland seal device is equipped at mouthful.
Stirred tank based on Microwave-assisted firing 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, it can greatly improve production efficiency, shorten the production time, while allow stirring blade while rotation pair
Material is heated, and material is uniformly heated.
In addition, the stirred tank of the invention based on Microwave-assisted firing, 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 stirred tank based on Microwave-assisted firing of first embodiment of the invention.
Fig. 2 is the structural schematic diagram of the stirred tank based on Microwave-assisted firing of second embodiment of the invention.
Fig. 3 is the structural schematic diagram of the stirred tank based on Microwave-assisted firing of third embodiment of the invention.
In attached drawing:
1- stirs autoclave body 2- agitating shaft 3- stirring blade
4- external motor 5- microwave presents mouth 6- microwave rf generator
7- microwave power supply 8- control cabinet 9- control panel
10- keeps the temperature the infrared online hygrosensor 12- infrared acquisition mouth of wave permeation layer 11-
13- pressure relief opening 14- gland seal device
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.
Shown in please referring to Fig.1 to Fig.3, a kind of stirred tank based on Microwave-assisted firing, including stirring autoclave body 1, agitating shaft
2, microwave-assisted system and control system, the agitating shaft 2 protrudes on the one end for stirring autoclave body 1 and is provided with stirring blade 3, described
Stirring 1 top of autoclave body is provided with the external motor 4 for driving agitating shaft 2 and stirring blade 3 to work, the agitating shaft 2 it is another
The roof that one end passes through stirring autoclave body 1 is connect with the external motor 4, and the microwave-assisted system includes microwave feedback mouth 5, microwave
Emission source 6 and microwave power supply 7, the microwave feedback mouth 5, microwave rf generator 6 and microwave power supply 7 are sequentially connected, the control system
Including control cabinet 8 and the control panel 9 that 8 surface of control cabinet is arranged in, the microwave shielding layer of the stirring autoclave body 1 including outer layer and
The side wall of stirring autoclave body 1 and closed with stirring 1 inner cavity of autoclave body is arranged in the heat preservation wave permeation layer 10 of internal layer, microwave feedback mouth 5
It is fastenedly connected, the microwave power supply 7 is connect with the control system, is equipped in the stirring autoclave body 1 for detecting the stirring
The temperature sensor of 1 internal temperature of autoclave body, the temperature sensor are connect with the control system.
In above-described embodiment, microwave rf generator 6 is presented the material in 5 pairs of mouth stirring autoclave bodies 1 by microwave and is heated, microwave
The frequency and power of emission source 6 are adjustable, and control system controls the output power of microwave rf generator 6 by microwave power supply 7.
It is not worked using microwave to metal but is easy the mechanism by ceramics, plastics and paper products, keep the temperature wave permeation layer 10
Material can be glass or ceramics or resin material, and in an advantageous embodiment, the heat preservation wave permeation layer 10 is wave transparent
Ceramic material is made, preferably mullite fiber composite material or corundum-mullite composite material.In another preferred implementation
In example, 10 material of heat preservation wave permeation layer is that silicon dioxide powder, silica aerogel powder and waterglass mix in mass ratio,
Wherein silicon dioxide powder account for 10-20 parts, silica aerogel powder account for 10-20 parts, waterglass accounts for 60-80 parts, uniformly mix
After carry out castable, be then sintered to obtain the heat preservation wave permeation layer 10, the embodiment at 1200-1500 degrees Celsius
In, while the huge porosity of aeroge makes it with good wave, and there is very excellent heat insulating ability.In order to
Microwave from leakage is avoided, the microwave shielding layer uses metal material, wave permeation layer 10 is kept the temperature for the ease of wrapping up, in microwave shielding layer
Lining is shiny surface, and surface roughness is less than 3.0 microns, in this way, can increase the reflectivity of microwave, that is, guarantees adding for microwave
The thermal efficiency.
In above-described embodiment, the control system is used for through temperature sensor and microwave-assisted system control stirring autoclave body
Reaction temperature in 1, the control system control microwave hair according to the detection signal of temperature sensor, then by microwave power supply 7
The output power in source 6 is penetrated, to achieve the purpose that the reaction temperature in control stirring autoclave body 1.One kind as temperature sensor
Specific implementation, temperature sensor are thermocouple.In a kind of equivalent technical solution, temperature sensor is infrared online temperature
Detector 11 is spent, the side wall of stirring autoclave body 1 is equipped with infrared acquisition mouth 12, infrared online hygrosensor 11 and infrared acquisition mouth 12
Position it is corresponding, infrared online hygrosensor 11 passes through detection stirring 1 internal temperature of autoclave body of infrared acquisition mouth 12, infrared acquisition
Mouth 12 can be usually made of the devitrified glass with metal mesh.
Optionally, control system is connect with external motor 4, so as to control turning for external motor 4 by control system
Speed.Preferably, external motor 4 is decelerating motor, and decelerating motor refers to the conglomerate of speed reducer and electric motor, decelerating motor
Feature is efficiency and high reliablity, long working life, and easy maintenance is widely used.
Stirred tank based on Microwave-assisted firing 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, while alloing stirring blade 3 while rotation
Material is heated, material is uniformly heated.
In addition, the stirred tank of the invention based on Microwave-assisted firing, 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, the stirring autoclave body 1 includes upper housing and lower case, and the upper housing is removably
Buckle closure is sealed in the lower case, forms Packed microwave heating chamber between the upper housing and the lower case.The reality
It applies in example, since upper housing and lower case separate effect up and down, convenient for cleaning to stirring blade 3, while facilitating moulding
And the maintenance replacement of upper housing and lower case, it can satisfy a variety of demands of different user, upper housing and lower case have good
Sealing performance well, so that the stirred tank has safety in utilization well.It wherein, can be pair between upper housing and lower case
Position snaps connection, or thread seal connection, it is preferred that mutually matched step is equipped between upper housing and lower case
Face, the sealing of step surface forming face, to ensure the intracavitary sealing safe effect of microwave heating, playing prevents work of the microwave to external radiation
With.Preferably, the stirring blade 3 is removably arranged in the agitating shaft 2, to be convenient for changing the stirring blade 3 of damage.
In order to avoid pressure is excessive in stirring autoclave body 1, it is equipped in stirring autoclave body 1 for detecting inside the stirring autoclave body 1
The pressure sensor of pressure, the control valve that the roof of the stirring autoclave body 1 is equipped with pressure relief opening 13 and is placed in pressure relief opening 13, institute
It states pressure sensor and the control valve is connect with the control system respectively, control system is according to the detection of pressure sensor
The unlatching of value control control valve, naturally it is also possible to safety valve is directly set at pressure relief opening 13, when pressure is more than preset value,
Safety valve automatically turns on.In the embodiment, stirring autoclave body 1 is pressure vessel, and adjustable pressure has pressure relief opening 13, energy above
It is enough realize that two parameters of temperature and pressure more accurately control at the same time under the premise of, the reaction for allowing solid phase to participate in more sufficiently and
Uniformly, the application suitable for high quality powder material preparation and special chemical reaction engineering.Present invention incorporates microwave heatings
Feature and solid phase participate in the characteristics of reaction, devise it is a kind of not only at normal temperatures and pressures, can also under high temperature and high pressure environment,
More be accurately controlled the critical technical parameters such as reaction temperature and pressure, but can guarantee react under the premise of good seal it is abundant into
Row provides important hardware foundation with the stabilization of product quality for going on smoothly for production process.
In order to improve stirring autoclave body 1 in microwave field density uniformity, as shown, microwave feedback mouth 5 quantity be it is multiple, it is more
A microwave feedback mouth 5 is circumferentially symmetrically distributed on the side wall of stirring autoclave body 1, correspondingly, the quantity of microwave generating apparatus is also more
A, a microwave generating apparatus connects a microwave and presents mouth 5, and multiple microwave generating apparatus are connect with control system.
Specific optional, control system includes control cabinet 8 and the control panel 9 that 8 surface of control cabinet is arranged in, control panel
9 are equipped with for the display screen of display parameters and key etc., and it is saturating that the inner surface of stirring 1 side wall of autoclave body circumferentially wraps up one layer of heat preservation
Wave layer 10.Specific optional, the interface of agitating shaft 2 and stirring autoclave body 1 is equipped with gland seal device 14, and gland seal device 14 is for playing
Sealing function such as can be rotary sealing appts, rotary sealing appts category to seal agitating shaft 2 and stir the interface of autoclave body 1
In the prior art.
In an advantageous embodiment, several baffles being parallel to each other are fixedly installed on stirring 1 inner wall of autoclave body,
The baffle prolongs the axial setting of stirring autoclave body 1, and stretches out towards agitating shaft 2, and same baffle is located at stirring 1 bottom of autoclave body
The height that one end is stretched out towards agitating shaft 2 is stretched out less than one end that the baffle is located at 1 top of stirring autoclave body towards agitating shaft 2
Highly.The stirring blade 3 is fixed on agitating shaft 2, and the length direction of the stirring blade 3 prolongs the axial direction of agitating shaft 2
Setting, stirring blade 3 are greater than stirring blade 3 far from stirring 1 bottom end of autoclave body close to the width of stirring 1 bottom end of autoclave body
Width.Specific optional, the equal spiral setting of baffle is in stirring autoclave body 1, and baffle is located at one end direction of stirring 1 bottom of autoclave body
The height that agitating shaft 2 stretches out is 3-10cm.One end that baffle is located at 1 top of stirring autoclave body is towards the height that agitating shaft 2 stretches out
5-15cm.In the embodiment, the height stretched out using one end that same baffle is located at stirring 1 bottom of autoclave body towards agitating shaft 2 is small
It is located at the height that the one end at stirring autoclave body 1 top is stretched out towards agitating shaft 2 and stirring blade 3 close to stirring autoclave body 1 in the baffle
The width of bottom end is greater than stirring blade 3 and matches far from the width of stirring 1 bottom end of autoclave body, so that object in whipping process
Material is easy to prolong stirring 1 inner wall of autoclave body and baffle rises to stirring 1 top of autoclave body, so that material stirring is more abundant.
To sum up, the stirred tank of the invention based on Microwave-assisted firing 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.
Stirred tank based on Microwave-assisted firing 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, easy to operate, control in time, the features such as being quick on the draw, while the output of microwave
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 and company
The needs that continuous metaplasia produces, it is thus possible to which, so that the intracorporal more uniform temperature of stirred tank, 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 stirred tank based on Microwave-assisted firing, including stirring autoclave body (1) and agitating shaft (2), the agitating shaft (2) are stretched
Enter to stir and be provided with stirring blade (3) on one end of autoclave body (1), stirring autoclave body (1) top is provided with for driving stirring
The external motor (4) of axis (2) and stirring blade (3) work, the other end of the agitating shaft (2) pass through the top of stirring autoclave body (1)
Wall is connect with the external motor (4), it is characterised in that: including microwave-assisted system and control system, the microwave-assisted system
System includes microwave feedback mouth (5), microwave rf generator (6) and microwave power supply (7), the microwave present mouth (5), microwave rf generator (6) and
Microwave power supply (7) is sequentially connected, and the control system includes the control panel of control cabinet (8) and setting on control cabinet (8) surface
(9), stirring autoclave body (1) includes the microwave shielding layer of outer layer and the heat preservation wave permeation layer (10) of internal layer, and the microwave presents mouth (5)
Side wall in stirring autoclave body (1) is set and autoclave body (1) inner cavity is closed is fastenedly connected with stirring, the microwave power supply (7) and institute
Control system connection is stated, the temperature sensing for detecting described stirring autoclave body (1) internal temperature is equipped in stirring autoclave body (1)
Device, the temperature sensor are connect with the control system.
2. the stirred tank according to claim 1 based on Microwave-assisted firing, it is characterised in that: the external motor (4)
For decelerating motor.
3. the stirred tank according to claim 1 based on Microwave-assisted firing, it is characterised in that: the stirring autoclave body (1)
Including upper housing and lower case, the upper housing removably seals buckle closure in the lower case, the upper housing with it is described
Packed microwave heating chamber is formed between lower case.
4. the stirred tank according to claim 1 based on Microwave-assisted firing, it is characterised in that: the temperature sensor is
Thermocouple；Or, the temperature sensor is infrared online hygrosensor (11), the side wall of stirring autoclave body (1) is equipped with red
Outer detection mouth (12), the infrared online hygrosensor (11) detect the stirring autoclave body by the infrared acquisition mouth (12)
(1) internal temperature.
5. the stirred tank according to claim 1 based on Microwave-assisted firing, it is characterised in that: the microwave shielding layer material
Matter is metal.
6. the stirred tank according to claim 1 based on Microwave-assisted firing, it is characterised in that: the stirring autoclave body (1)
The interior pressure sensor being equipped with for detecting described stirring autoclave body (1) internal pressure, the roof of stirring autoclave body (1), which is equipped with, to be let out
Pressure mouth (13) and the control valve that is placed in pressure relief opening (13), the pressure sensor and the control valve respectively with the control
System connection processed.
7. the stirred tank according to claim 1 based on Microwave-assisted firing, it is characterised in that: the microwave presents mouth (5)
Quantity be it is multiple, multiple microwaves feedback mouth (5) is circumferentially symmetrically distributed on the side wall of stirring autoclave body (1).
8. the stirred tank according to claim 1-7 based on Microwave-assisted firing, it is characterised in that: the heat preservation
Wave permeation layer (10) material is ceramics or wave transparent resin.
9. the stirred tank according to claim 8 based on Microwave-assisted firing, it is characterised in that: the heat preservation wave permeation layer
(10) material is that silicon dioxide powder, silica aerogel powder and waterglass mix in mass ratio, and wherein silicon dioxide powder accounts for
10-20 parts, silica aerogel powder account for 10-20 parts, waterglass accounts for 60-80 parts, carries out castable after evenly mixing, so
It is sintered to obtain the heat preservation wave permeation layer (10) at 1200-1500 degrees Celsius afterwards.
10. the stirred tank according to claim 1-7 based on Microwave-assisted firing, it is characterised in that: described to stir
It mixes axis (2) and stirs the interface of autoclave body (1) equipped with gland seal device (14).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910676896.8A CN110354720A (en) | 2019-07-25 | 2019-07-25 | A kind of stirred tank based on Microwave-assisted firing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910676896.8A CN110354720A (en) | 2019-07-25 | 2019-07-25 | A kind of stirred tank based on Microwave-assisted firing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111790288A (en) * | 2020-07-21 | 2020-10-20 | 金华职业技术学院 | Preparation method and equipment of magnetic nano composite material |
| CN114888994A (en) * | 2022-06-10 | 2022-08-12 | 厦门鑫福宝莱智能装备有限公司 | Microwave heating and stirring system for polar powder material and temperature control method |
| JP7441018B2 (en) | 2018-10-02 | 2024-02-29 | 四国計測工業株式会社 | Stirring device |
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| CN205628157U (en) * | 2016-04-29 | 2016-10-12 | 贵州理工学院 | Multifrequency microwave is supplementary ball -milling device jointly |
| CN206304722U (en) * | 2016-12-19 | 2017-07-07 | 广州大学 | A kind of pilot scale microwave reaction kettle |
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| JP2014067575A (en) * | 2012-09-26 | 2014-04-17 | Micro Denshi Kk | Heating device to which microwaves are applied |
| CN205628157U (en) * | 2016-04-29 | 2016-10-12 | 贵州理工学院 | Multifrequency microwave is supplementary ball -milling device jointly |
| CN206304722U (en) * | 2016-12-19 | 2017-07-07 | 广州大学 | A kind of pilot scale microwave reaction kettle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7441018B2 (en) | 2018-10-02 | 2024-02-29 | 四国計測工業株式会社 | Stirring device |
| CN111790288A (en) * | 2020-07-21 | 2020-10-20 | 金华职业技术学院 | Preparation method and equipment of magnetic nano composite material |
| CN114888994A (en) * | 2022-06-10 | 2022-08-12 | 厦门鑫福宝莱智能装备有限公司 | Microwave heating and stirring system for polar powder material and temperature control method |
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