CN109556359A - A kind of micro-wave drying equipment and micro-wave drying method - Google Patents
A kind of micro-wave drying equipment and micro-wave drying method Download PDFInfo
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- CN109556359A CN109556359A CN201811482711.1A CN201811482711A CN109556359A CN 109556359 A CN109556359 A CN 109556359A CN 201811482711 A CN201811482711 A CN 201811482711A CN 109556359 A CN109556359 A CN 109556359A
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- microwave
- micro
- work box
- cover
- power
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/008—Seals, locks, e.g. gas barriers or air curtains, for drying enclosures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/009—Alarm systems; Safety sytems, e.g. preventing fire and explosions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
- F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
- F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy
Abstract
The present invention relates to a kind of micro-wave drying equipment, including elevating mechanism and microwave drying mechanism, for containing material and top as the work box of hatch frame, and the rollgang for work box to be delivered to elevating mechanism, microwave drying mechanism has microwave generator, Microwave cover and the microwave catheter for connecting microwave generator and Microwave cover, and the lower part of Microwave cover is microwave outlet；Rollgang is arranged on elevating mechanism, and elevating mechanism can be followed to move up and down；The lower section of Microwave cover is arranged in elevating mechanism, is used to be mounted with the work box jacking of material, so that opening and microwave outlet contact at the top of work box, and the first sealing structure for preventing microwave leakage is provided between the opening at the top of work box and microwave outlet.The micro-wave drying equipment has properly settled the microwave leakage problem during microwave curing, while improving the utilization rate and heat drying efficiency of equipment.The invention also discloses a kind of micro-wave drying methods.
Description
Technical field
The present invention relates to microwave drying equipment technical field, in particular to a kind of micro-wave drying equipment and microwave heating
Drying means.
Background technique
Sand mold is the casting type chamber being made into Foundry Production with roughing sand, binder and other auxiliary materials, with 3D printing skill
The gradually maturation of art, more and more sand molds have been opened up at present is formed using 3D printing.
Thermosetting phenolic resin has started scale application because of the features such as its is at low cost, material is environmentally friendly, superior performance in recent years
With, but from furane resins can self-hardening it is different, thermosetting phenolic resin need heat could solidify, therefore, by 3D printing
Molding sand mold needs to enter heating equipment and is solidified.
Compared with traditional natural gas drying, microwave heating drying have in high-efficient, drying course dust and impurity it is few,
The advantages that environmentally friendly, therefore microwave heating is more and more widely used in heat drying.
In current micro-wave drying equipment, it is usually fixedly installed a solidification chamber, solidifies and is provided at the top of chamber
One microwave drying equipment, the bottom for solidifying chamber are provided with a lifting pedestal, and sand mold after molding will be placed in lifting pedestal
On, it is driven by the lifting pedestal and enters progress microwave drying solidification in solidification chamber.
However, adequate solution is not obtained still the problem of microwave leakage in current micro-wave drying equipment, and
And how sand mold after molding is directly transported from the outlet of molding equipment to microwave drying mechanism, so as to realize one it is micro-
Wave drying mechanism cooperates with more sand mold molding equipments simultaneously, and the working efficiency for improving micro-wave drying equipment is also always this
Field technical staff needs to solve in a hurry.
Summary of the invention
An object of the present invention is to provide a kind of micro-wave drying equipment, so as on the one hand improve microwave heating
On the other hand the production efficiency of drying equipment effectively reduces the leakage rate of microwave.
Another object of the present invention, which also resides in, to be provided a kind of microwave realized using above-mentioned micro-wave drying equipment and adds
Heated drying method.
In order to achieve the above objectives, micro-wave drying equipment provided by the invention, including elevating mechanism and microwave drying
Mechanism, in addition to this, the micro-wave drying equipment further include for containing the work box that material and top are hatch frame, with
And the rollgang for the work box to be delivered to the elevating mechanism, wherein
The microwave drying mechanism has microwave generator, Microwave cover and the connection microwave generator and the Microwave cover
Microwave catheter, the lower part of the Microwave cover is microwave outlet；
The rollgang is arranged on the elevating mechanism, and the elevating mechanism can be followed to move up and down；
The lower section of the Microwave cover is arranged in the elevating mechanism, is used to be mounted with the work box top of material
Rise so that opening at the top of the work box and the microwave outlet contact, and the opening at the top of the work box with it is described
Microwave is provided with the first sealing structure for preventing microwave leakage between outlet.
Preferably, first sealing structure includes end face seal and side panel sealing, wherein
The Microwave cover is internally provided with steel wire sealing brush and elastic gauze screen, the top periphery setting of the work box
There is abutting part, under the jacking effect of the elevating mechanism, the top end surface of the work box and the steel wire sealing brush are compressed
And constitute the end face seal；The abutting part and the elastic gauze screen jam-packed simultaneously constitute the side panel sealing.
Preferably, the abutting part is provided with the wedge-shaped jam-packed face for contacting with the elastic gauze screen jam-packed.
It preferably, further include being located in the Microwave cover, and along the microwave absorption circumferentially around setting of the Microwave cover
Pipe, the microwave absorption pipe internal circulation flow has the liquid that can absorb microwave, and the microwave absorption pipe is close to described first
Sealing structure setting, to absorb the microwave leaked by first sealing structure.
Preferably, the float plate being adapted to the cavity shape of the work box is provided in the work box, and described floating
For movable plate for carrying material to be solidified, the side plate and bottom plate of the work box, which are formed by joint close, is laid with elastic shielding
Net, under the pressure effect of the float plate, the elasticity gauze screen generates deformation and by the float plate and the work box
Between gap sealing.
Preferably, the microwave dispersion item of one or more metal materials, the microwave point are additionally provided in the Microwave cover
The both ends for dissipating item are connected on two opposite sides of the Microwave cover, and the cross section of microwave dispersion item is cone
The tip of shape, the microwave dispersion item is arranged towards the top of the Microwave cover.
Preferably, the inner cavity of the Microwave cover is multiple radiological feedback chambers by divides, each described microwave is anti-
It presents the intracavitary one or more microwaves that are provided with and disperses items, the Microwave cover passes through power divider phase with the microwave catheter
Even, one end of the power divider is the general pipeline being connected with the microwave catheter, and the other end is and the radiological feedback chamber one
One corresponding branched pipe, any one branched pipe is both connected to the top of the Microwave cover, and the microwave corresponding with itself is anti-
Present chamber connection.
Preferably, each described branched pipe passes through horn-like feedback mouth and is connected with the top of the Microwave cover.
It preferably, further include microwave cover stent, the Microwave cover is located in the microwave cover stent, and the Microwave cover
Top is fixedly connected on the top of the microwave cover stent.
Preferably, one end that the microwave catheter is used to be connected with the microwave generator, which is provided with, prevents microwave reflux
Circulator, one end for being connected with the Microwave cover are provided with for reducing the screw tuner of microwave reflection amount.
Preferably, the gas exhaust piping for further including blower and being connected with the blower, the gas exhaust piping are passed through described micro-
In wave cover, generated gas in Microwave cover described during microwave drying is drained, be also provided on the Microwave cover into
Air holes, to guarantee the air pressure balance in the Microwave cover.
Preferably, microwave caused by the microwave generator is 915MHz microwave.
Preferably, the elevating mechanism includes support frame, lifting motor, retarder and lead screw lifting machine, wherein
Support frame as described above is in rectangle, and the lifting motor is fixed at the top of support frame as described above；
The lead screw lifting machine includes four, and four lead screw lifting machines are respectively fixedly disposed at support frame as described above top
Four corners position in portion；
The retarder includes first stage decelerator and two stage reducer, and the first stage decelerator and the two stage reducer are equal
For double output shaft decelerator, the first stage decelerator is located at the center at the top of support frame as described above, and the two stage reducer symmetrically divides
Cloth is connected in the two sides of the first stage decelerator, the input shaft of the first stage decelerator with the output shaft of the lifting motor, institute
Two output shafts for stating first stage decelerator are connected with the input shaft of two two stage reducers respectively, and any one second level subtracts
Two output shafts of fast device are connected with two lead screw lifting machines respectively.
Preferably, further include the stabilizer blade being bolted in support frame as described above bottom, tune is additionally provided on the stabilizer blade
Save the height adjusting holes of support frame as described above height.
Preferably, the rollgang includes roller-way power mechanism and roller-way mechanism, wherein
The roller-way mechanism includes roller-way framework and the conveying roller body that is rotatably arranged on roller-way framework two sides, institute
It states roller-way framework to be fixed on the lead screw lifting machine, and the outer end of each conveying roller body is provided with input
Sprocket wheel；
The roller-way power mechanism includes motive power framework, power motor, power decelerator and power output shaft, described
Motive power framework is fixedly mounted on the bottom of the roller-way framework, and the power motor is connected with the power decelerator, institute
The output shaft for stating power decelerator is connected with the power output shaft, and it is defeated that the both ends of the power output shaft are respectively arranged with first
Sprocket wheel and the second output chain gear out, first output chain gear are used for the conveying roller body for roller-way framework side
Input sprocket provides power, and second output chain gear is used for the conveying roller body for the roller-way framework other side
Input sprocket provides power.
Preferably, it is additionally provided with lifting sensors in place on the roller-way framework, falls into place sensor and proceeds to
Level sensor, so that the work box and the Microwave cover are realized and be accurately positioned.
Preferably, the arrival end of the roller-way framework is additionally provided with for adjusting the work box into the rollgang
The clearing end of the directive wheel in direction, the roller-way framework is additionally provided with the countercheck rod for preventing the work box from falling.
Preferably, further include microwave leak detector for detecting microwave leakage amount, and be connected with the microwave leak detector
And the first controller for controlling the micro-wave drying equipment start-stop, the microwave detected by the microwave leak detector
Leakage rate is more than when shutting down preset value, and first controller controls the micro-wave drying equipment downtime.
It preferably, further include the microwave leakage alarm set being connected with the controller, and in the microwave leakage instrument institute
The microwave leakage amount detected is more than when reminding preset value, and first controller controls the microwave leakage alarm set and carries out
It reminds, wherein the prompting preset value is less than the shutdown preset value.
It preferably, further include second controller for controlling the microwave curing equipment start-stop or alarm, the microwave
One end that conduit is used to be connected with the Microwave cover is additionally provided with dual directional coupler, and the dual directional coupler is micro- for detecting
The reflection power value of wave, and when the reflection power value reaches default reflection power value, described in the second controller control
Microwave curing equipment downtime or alarm.
Disclosed in this invention micro-wave drying method, it is dry using the microwave heating disclosed in above-mentioned any one
Dry equipment, and the micro-wave drying method includes being heating and curing, wherein
Described be heating and curing include:
N heating period is divided to carry out microwave heating the material being contained in the work box, wherein n >=2, each
It include multiple heating pulses in the heating period, in the same heating period, any one of heating pulse
Heating power be equal, PiThe heating power for representing the heating pulse in i-th of heating period, then have Pi+1< Pi, wherein i
≤n-1。
Preferably, in the same heating period, the heating time of any one of heating pulse is equal.
Preferably, TiThe heating time for representing the heating pulse in i-th of heating period, then there is Ti+1=Ti, wherein i≤
n-1。
Preferably, the quantity of the heating pulse included in the heating period described in any two is equal or different.
Preferably, in the heating period described in any two, the interval time of the two neighboring heating pulse is equal or not
Deng.
Disclosed in this invention micro-wave drying equipment in, molding material is contained by moveable work box,
And the work box for being loaded with material is delivered to elevating mechanism by rollgang, and the shape of work box and the shape of Microwave cover are suitable
Match, under the jacking effect of elevating mechanism, the microwave outlet contact of opening and Microwave cover bottom at the top of work box, microwave occurs
The microwave that device generates enters Microwave cover after microwave catheter, and exports and project from the microwave of Microwave cover bottom, and then enter
It is heating and curing in work box to material；At the same time, being provided between the opening at the top of work box and microwave outlet prevents
First sealing structure of microwave leakage, by first sealing structure it is possible to prevente effectively from microwave connects from work box with Microwave cover
The position of touching leaks.
By the cooperation of work box and rollgang, the material exported from molding equipment (such as 3D printer) is led to
The mode for crossing transhipment is moved to elevating mechanism, and the sealing between work box and Microwave cover is then realized under the action of elevating mechanism
Cooperation, this, which allows for a microwave drying mechanism, can correspond to more molding equipments, and utilization rate and the heating for improving equipment are dry
Microwave can be effectively prevented in dry efficiency, the first sealing structure worked at the same time between box top opening and the microwave outlet of Microwave cover
Leakage, has properly settled the microwave leakage problem during microwave curing.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of angle of micro-wave drying equipment disclosed in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the micro-wave drying equipment another kind angle disclosed in the embodiment of the present invention；
Fig. 3 is the partial schematic sectional view of part A in Fig. 1；
Fig. 4 is the inverted structure schematic diagram of the micro-wave drying equipment disclosed in the embodiment of the present invention；
Fig. 5 is the overall structure diagram of the microwave drying mechanism disclosed in the embodiment of the present invention；
Fig. 6 is the present invention looks up structural representation of the microwave drying mechanism disclosed in the embodiment of the present invention；
Fig. 7 is the schematic cross-sectional view of the work box disclosed in the embodiment of the present invention；
Fig. 8 is the combination diagram of the elevating mechanism and rollgang disclosed in the embodiment of the present invention；
Fig. 9 is the structural schematic diagram of the support frame disclosed in the embodiment of the present invention；
Figure 10 is the structural scheme of mechanism of the dynamical system of the elevating mechanism disclosed in the embodiment of the present invention；
Figure 11 is the structural schematic diagram of the roller-way power mechanism disclosed in the embodiment of the present invention；
Figure 12 is the structural schematic diagram of the roller-way mechanism disclosed in the embodiment of the present invention；
Figure 13 is the partial schematic sectional view of part B in Figure 12.
Wherein, 1 is support frame, and 2 be microwave cover stent, and 3 be elevating mechanism, and 4 be blower, and 5 be rollgang, and 6 be exhaust
Pipeline, 7 be work box, and 8 be Microwave cover, and 9 be horn-like feedback mouth, and 10 be microwave absorption pipe, and 11 be microwave catheter, and 12 send out for microwave
Raw device, 13 be circulator, and 14 be retarder, and 15 be lifting motor, and 16 be steel wire sealing brush, and 17 be elastic gauze screen, and 18 be point
Branch pipe, 19 be screw tuner, and 20 be demarcation plate, and 21 disperse item for microwave, and 22 be float plate, and 23 be power motor, and 24 be branch
Foot, 25 be lead screw lifting machine mounting portion, 26 be retarder mounting portion, 27 be lifting motor mounting portion, 28 be lead screw lifting machine, 29
It is power decelerator for shaft coupling, 30,31 be power output shaft, and 32 be the first output chain gear, and 33 be the second output chain gear, and 34 are
Countercheck rod, 35 be chain wheel cover, and 36 be cross bar, and 37 be connecting rod, and 38 be directive wheel, and 39 be shaft-cup plate, and 40 be input sprocket, and 41 are
Retaining ring, 42 be ball bearing, and 43 be bearing holder (housing, cover), and 44 be conveying roller body, and 45 be roller axle.
Specific embodiment
Core of the invention is to provide a kind of micro-wave drying equipment, so as on the one hand improve micro-wave drying
On the other hand the production efficiency of equipment effectively reduces the leakage rate of microwave.
It is dry that another core of the invention is to provide a kind of microwave heating realized using above-mentioned micro-wave drying equipment
Drying method.
Disclosed in this invention micro-wave drying equipment, including elevating mechanism 3 and microwave drying mechanism, except this it
Outside, which further includes work box 7 and rollgang 5, and work box 7 is for containing material, and its top
For hatch frame, microwave drying mechanism has microwave generator 12, Microwave cover 8 and connection microwave generator 12 and Microwave cover 8
Microwave catheter 11, the lower part of Microwave cover 8 is microwave outlet, and the shape adaptation of microwave outlet and 7 top of work box, is such as schemed
1, shown in 2 and Fig. 5 and Fig. 6, rollgang 5 is arranged on elevating mechanism 3, and rollgang 5 can follow elevating mechanism 3
It moves up and down, the lower section of Microwave cover 8 is arranged in elevating mechanism 3, and elevating mechanism 3 is used to be mounted with the work box 7 of material
Jacking, to make the top opening and microwave outlet contact of work box 7, and the opening at the top of work box 7 and microwave export
Between be provided with the first sealing structure for preventing microwave from leakage.
It needs to be illustrated, the material type in above-described embodiment is can be by the cured any object of microwave heating
Expect, in the present invention with no restriction to this, in embodiments of the present invention, the specific example using sand mold as material to carry out scheme
Explanation.
Micro-wave drying equipment disclosed in above-described embodiment contains molding sand by moveable work box 7
Type, and the work box 7 for being loaded with sand mold is delivered to elevating mechanism 3, shape and the Microwave cover 8 of work box 7 by rollgang 5
Shape adaptation, under the jacking effect of elevating mechanism 3, the opening at 7 top of work box connects with the microwave outlet of 8 bottom of Microwave cover
Touching, the microwave that microwave generator 12 generates enters Microwave cover 8 after microwave catheter 11, and goes out from the microwave of 8 bottom of Microwave cover
Mouth projects, and then enters in work box 7 and be heating and curing to sand mold；At the same time, the opening and microwave at 7 top of work box
The first sealing structure for preventing microwave leakage is provided between outlet, by first sealing structure it is possible to prevente effectively from microwave from
The position leakage that work box 7 is in contact with Microwave cover 8.
By the cooperation of work box 7 and rollgang 5, so that can be with from the sand mold that molding equipment (such as 3D printer) exports
It is moved to elevating mechanism 3 by way of transhipment, is then realized between work box 7 and Microwave cover 8 under the action of elevating mechanism 3
Sealing cooperation, this, which allows for a microwave drying mechanism, can correspond to more molding equipments, improve equipment utilization rate and
Heat drying efficiency, the first sealing structure worked at the same time between 7 top opening of case and the microwave outlet of Microwave cover 8 can be effective
Microwave leakage is prevented, the microwave leakage problem during microwave curing has been properly settled.
The structure that can be realized microwave seal is not limited to one kind, and in the present embodiment, the first sealing structure is specifically wrapped
End face seal and side panel sealing are included, Fig. 1 and Fig. 3 are please referred to, Microwave cover 8 is internally provided with steel wire sealing brush 16 and elasticity shielding
Net 17, the top periphery of work box 7 are provided with abutting part, under the jacking effect of elevating mechanism 3, the top end surface of work box 7
It is compressed with elastic gauze screen 17 and constitutes above-mentioned end face seal, pushed against part and 16 jam-packed of steel wire sealing brush and to constitute above-mentioned side wall close
Envelope.End face seal and side panel sealing form the double sealing structure for being directed to microwave, this is greatly lowered microwave leakage amount,
Improve the security performance of equipment.
Further, in order to guarantee that work box 7 is smoothly docked with the outlet of the microwave of Microwave cover 8, disclosed in the present embodiment
Micro-wave drying equipment in, push against and be provided with wedge-shaped jam-packed face for contacting with 16 jam-packed of steel wire sealing brush on part, such as
Shown in Fig. 3, the small end in the wedge shape jam-packed face is concordant with the top of work box 7, when work box 7 is jacked by elevating mechanism 3, wedge
Shape jam-packed face can also be oriented to work box 7, dock work box 7 smoothly with the outlet of Microwave cover 8, move in work box 7
After moving in place, wedge-shaped jam-packed face and 16 jam-packed of steel wire sealing brush constitute side panel sealing, and steel wire sealing brush 16, which should use, to shield
The tungsten wire, copper wire or steel wire for covering microwave are made.
Even if being provided with the first sealing structure, can not ensure can never at the docking location of work box 7 and Microwave cover 8
There is microwave leakage, causes damages, made in the present embodiment into one to human body or ambient enviroment in order to reduce the microwave of leakage to the greatest extent
Step optimization, specifically, being additionally provided with microwave absorption pipe 10 in Microwave cover 8, which is located in Microwave cover 8, and
Around 8 inner wall of Microwave cover one week, which had the liquid that can absorb microwave, certainly, in order to
The microwave of enough leakages of absorption in time, microwave absorption pipe 10 should be arranged close to the first sealing structure, to tie from the first sealing
Structure goes out the microwave leaked and absorbs in time.
It is easily understood that microwave absorption pipe 10 itself should allow microwave transmission, to be located in microwave absorption pipe 10
Liquid by microwave absorption, allow the microwave absorption pipe 10 of microwave transmission material can there are many selections, such as pvc pipe, rubber
Pipe, ceramic tube etc., the liquid that can absorb microwave can be other solution of water or water, the convenience obtained from material and
Recommend to carry out microwave absorption by being filled with liquid water in microwave absorption pipe 10 from the aspect of cost, in the present embodiment.
Further, in order to avoid microwave absorption pipe 10 is by the microwave absorption of the normal work in Microwave cover, microwave is inhaled
Closed tube 10 should be provided with microwave reflection wall with position corresponding inside Microwave cover, and microwave reflection wall is by microwave reflecting material system
At as shown in Figure 3.
If the side plate of the bottom plate of work box 7 and work box 7 is integral type molding structure, the bottom of work box 7 will not be deposited
The microwave leakage the problem of, but under some cases, such as the convenience of discharging or installation, the bottom plate of work box 7 and side
Split type structure may be designed as between plate, and if the bottom of the work box 7 of this structure without anti-microwave leakage processing,
Microwave leakage is just had, therefore in the micro-wave drying equipment disclosed in the present embodiment, is provided with and works in work box 7
The float plate 22 of cavity shape adaptation in case 7, certainly, float plate 22 and work box 7 are consistent, should all use metal material
(such as steel plate), float plate 22 are floated (when such as 3D printing carries out) in sand mold forming process for carrying sand mold to be solidified
Plate 22 can gradually be moved down with the increase of sand mold, be finally displaced into bottom and be in contact with the bottom plate of work box 7, in the present embodiment
The side plate and bottom plate of work box 7 are formed by joint close position and are provided with elastic gauze screen 17, as shown in Figure 7, in float plate
Under 22 pressure effect, elastic gauze screen 17 generates deformation and by the gap sealing between float plate 22 and work box 7, thus anti-
Only bottom leakage of the microwave from work box 7.The material of the elastic gauze screen 17 at 7 top of elastic gauze screen 17 and work box of the position
Matter is consistent.
In order to advanced optimize scheme, the card for facilitating elastic gauze screen 17 to install can also be set on 7 bottom plate of work box
Slot, elastic gauze screen 17 are fixed in card slot.
Since Microwave cover 8 is located at the top of elevating mechanism 3 and rollgang 5, the mounting stability of Microwave cover 8 needs
Emphasis considers, in the present embodiment, is additionally provided with microwave cover stent 2, and as shown in figs. 1-4, microwave cover stent 2 is to be welded by profile
The bracket of formation, Microwave cover 8 is located at the inside of the microwave cover stent 2, and the top of Microwave cover 8 is fixedly connected on Microwave cover branch
The top of frame 2.
Microwave enters in work box 7 from the outlet port of Microwave cover 8 solidifies sand mold, institute in the embodiment of the present invention
Disclosed micro-wave drying equipment can satisfy the heat drying requirement of 3 tons or more of large scale work box 7, this seed type
The thickness of sand mold would generally reach 500mm or more, or even 700mm can be reached, it is therefore desirable to dry using HIGH-POWERED MICROWAVES
Mechanism is dried, if exporting the microwave of Microwave cover 8 is single cavity structure, is easy for occurring that microwave is unevenly distributed asks
The microwave amount of topic, microwave outlet underface is excessive, will lead to sand mold and burn-off phenomenon occurs, and the microwave on microwave outlet both sides is distributed
Again fewer, there is the phenomenon that underheat in this sand mold that will lead to microwave outlet both sides.
This is optimized in scheme disclosed in the present embodiment, and as shwon in Figures 5 and 6, the inner cavity of Microwave cover 8 has
Demarcation plate 20, which separates, is known as multiple radiological feedback chambers, and Microwave cover 8 is connected with microwave catheter 11 by power divider, power distribution
One end of device is the general pipeline being connected with microwave catheter 11, the other end be with the one-to-one branched pipe 18 of radiological feedback chamber, it is each
A branched pipe 18 is both connected to the top of Microwave cover 8, and is connected to the radiological feedback chamber corresponding to itself.
The microwave generated by microwave generator 12 uniformly divides after microwave catheter 11, by the branched pipe 18 of power divider
Match, and respectively enter the intracavitary sand mold in work box 7 of each radiological feedback and heat, is improved by structure so that microwave can
With evenly dispersed to each position, to guarantee that the sand mold in work box 7 is heated properly；Further, one or more
A radiological feedback is intracavitary can also to disperse item 21 come further dispersion microwave, such as by the way that the microwave of one or more metal materials is arranged
Shown in Fig. 6, the cross section that microwave disperses item is tapered, and the microwave dispersion item 21 in the embodiment of the present invention is particular by metal
The triangular prism structure that plate is enclosed, microwave disperse a seamed edge of item 21 upward, the prism side direction opposite with the seamed edge
Microwave outlet is arranged, and the effect of microwave dispersion item 21 is the microwave both sides to radiological feedback chamber evenly dispersed as far as possible, thus
Further increase the uniformity of microwave heating；
This kind of microwave dispersion item is realized by stationary structure and is broken up to microwave, is broken up compared to current rotation micro-
For wave mode, due to not being related to penetrating for power input shaft, microwave from leakage not will lead to.
In attached drawing corresponding to the embodiment of the present invention, the inner cavity of Microwave cover 8 is divided into two microwaves by one piece of demarcation plate 20
Feedback cavity, and each radiological feedback is intracavitary is provided with microwave dispersion item 21.
It please also refer to Fig. 5 and Fig. 6, each branched pipe 18 passes through the top of the feedback mouth and Microwave cover 8 of bell mouth shape
It is connected, microwave catheter 11 includes the longitudinal pipe that is arranged in a vertical direction and the both ends for being connected to longitudinal pipe and in the horizontal direction
The first transverse pipe and the second transverse pipe of arrangement, power divider are arranged in the first transverse pipe, microwave generator 12 and second
Transverse pipe is connected.
The bending place of microwave catheter is 90 ° of curve bends, in order to realize the company of power divider and horn-like feedback mouth 9
It connects, 90 ° of circular arc E surface waves is provided on two branched pipes 18 of power divider and are led, as shwon in Figures 5 and 6.
Further, one end that microwave catheter is used to be connected with Microwave cover is additionally provided with screw tuner 19, and microwave is led
The one end of pipe for being connected with microwave generator is provided with the circulator 13 for preventing microwave from flowing back, specifically, screw tuner 19
Three screw tuners can be used, adjusting standing-wave ratio by three screw tuners, (standing-wave ratio is smaller, and microwave incident power is bigger, instead
It is smaller to penetrate power) after, radiological feedback to two horn-like feedback mouths 9, then by horn-like feedback mouth 9 by microwave reflection to radiological feedback
In chamber, the microwave immediately below horn-like feedback mouth 9 can be dispersed to both sides by the microwave dispersion item 21 in radiological feedback chamber, micro- to guarantee
The uniformity of wavelength-division cloth.
In microwave heating process, Microwave cover 8 and work box 7 are formed by whole interior and might have gas generation, in order to
To keep internal have a proper air pressure, and the scheme disclosed in the present embodiment is further provided with blower 4 and is connected with blower 4
Gas exhaust piping 6, gas exhaust piping stretches in Microwave cover, each radiological feedback chamber is connected with gas exhaust piping 6, will pass through wind
Machine 4 is also provided with air inlet hole for generated gas is drained in Microwave cover 8 in drying course on Microwave cover, micro- to guarantee
The diameter of air pressure balance in wave cover, the air inlet hole is smaller, is realizing the leakage that microwave is effectively avoided while ventilation, usual feelings
Under condition, the diameter of air inlet hole can choose suitable aperture according to microwave frequency difference, as frequency be 2450Hz when, aperture is little
In 4mm, when frequency is 915Hz, aperture is not more than 10mm.
For large scale sand mold targeted in the embodiment of the present invention, thickness generally reaches 500mm or more, even
Reach 700mm.In order to which the curing and drying effect of sand mold is better achieved, the characteristics of according to large scale heat drying, by repeatedly
Research has selected wavelength and the good 915MHZ microwave of penetrability, i.e. microwave caused by microwave generator 12 is 915MHZ microwave.
It will be appreciated to those of skill in the art that can be to the way of realization for the elevating mechanism 3 that work box 7 is gone up and down
Being not limited to one kind, such as cylinder mechanism, screw mechanism etc. can be achieved to go up and down work box 7, however, due to work
After case 7 is jacked by elevating mechanism 3, top opening needs to export tight cooperation with the microwave of Microwave cover 8, to avoid microwave
Leakage, therefore the Synchronous lifting of each position of work box 7 is to need issues that need special attention.
For this purpose, the elevating mechanism 3 disclosed in the present embodiment includes support frame 1, lifting motor 15, retarder 14 and lifts
Lead screw is risen, as shown in figures 8-13, support frame 1 is in specifically rectangle, is welded by profile, lifting motor 15 is fixed at support
The top of frame 1, lead screw lifting machine specifically include four, and four lead screw lifting machines are respectively fixedly disposed on 1 top of support frame
Four corners position, retarder 14 include first stage decelerator and two stage reducer, and first stage decelerator and two stage reducer are dual output
Axis retarder, first stage decelerator are located at the center at 1 top of support frame, and two stage reducer is symmetrically distributed in the two of first stage decelerator
The input shaft of side, first stage decelerator is connected with the output shaft of lifting motor 15, and two output shafts of first stage decelerator are respectively with two
The input shaft of a two stage reducer is connected, two output shafts of any one two stage reducer respectively with two lead screw lifting machine phases
Even.
More specifically, the top square part of support frame 1 is provided with lead screw lifting machine mounting portion 25, in support frame 1
Heart position is provided with the intermediate gearbox mounting portion 26 for first stage decelerator installation, and the two sides of intermediate gearbox mounting portion 26 are symmetrical
There are two retarder mounting portions 26 for setting, and with the installation for two stage reducer, close 26 position of intermediate gearbox mounting portion is set
It is equipped with 15 mounting portion of lifting motor, lifting motor 15, lead screw lifting machine and retarder 14 are mounted on support frame 1 by bolt
Top, the power exported from the output shaft of lifting motor 15 passes through first stage decelerator, and is transferred to by first stage decelerator
Power is transferred to the lead screw lifting machine positioned at four corners position eventually by two stage reducer, realizes four corners by two stage reducer
The synchronous lifting of position guarantees the precise match between work box 7 and Microwave cover 8, it should be noted that any need rigid connection
Two axis between can be connected by shaft coupling 29.
Referring to FIG. 9, being additionally provided with stabilizer blade 24 in 1 bottom of support frame, stabilizer blade 24 is directly contacted with ground, in order to further
The adjustment for realizing entire 1 height of support frame is also set on the stabilizer blade 24 in micro-wave drying equipment disclosed in the present embodiment
Be equipped with adjust 1 height of support frame height adjusting holes, it is generally the case that height adjusting holes may be provided with it is multiple, by different
Height adjusting holes are connected with support frame 1, and the adjusting of itself terrain clearance of support frame 1 may be implemented.
5 integral installation of rollgang is on lead screw lifting machine comprising roller-way power mechanism and roller-way mechanism, roller-way power
Mechanism is as shown in figure 12, including roller-way framework and the conveying roller body 44 being rotatably arranged on roller-way framework two sides, roller-way framework
It is fixed on lead screw lifting machine, and the outer end of each conveying roller body 44 is provided with input sprocket 40, such as Figure 13
It is shown；Roller-way power mechanism is as shown in figure 11 comprising motive power framework, power motor 23, power decelerator 30 and dynamic
Power output shaft 31, motive power framework are fixedly mounted on the top of roller-way framework, and power motor 23 and power decelerator 30
It is connected, the output shaft of power decelerator 30 is connected with power output shaft 31, and the both ends of power output shaft 31 are respectively arranged with first
Output chain gear 32 and the second output chain gear 33, the first output chain gear 32 are used for the defeated of the conveying roller body 44 for roller-way framework side
Enter sprocket wheel 40 and power is provided, the second output chain gear 33 is used for the input sprocket of the conveying roller body 44 for roller-way framework other side
40 provide power.
Figure 13 is please referred to, conveying roller body 44 is mounted in roller axle 45 by connecting key, and roller axle 45 is by being mounted on
Ball bearing 42 and retaining ring 41 in bearing holder (housing, cover) 43 realize circumferential and axial limit, and input sprocket 40 and roller axle 45 also connect for key
It connects, and a shaft-cup plate 39 for preventing input sprocket 40 from deviating from also is bolted in the end of roller axle 45.
Further, it is additionally provided with lifting sensors in place on roller-way framework, falls into place sensor and work box
Advance sensors in place is accurately positioned to realize work box and Microwave cover.
As shown in Figure 12, roller-way framework is by two cross bars 36 being oppositely arranged and the company for being linked together two cross bars 36
Extension bar 37 is constituted, and in order to improve safety, the position close to cross bar 36 is additionally provided with the chain wheel cover 35 for covering sprocket wheel；Further
, the arrival end of roller-way framework is additionally provided with the directive wheel 38 for entering 5 direction of rollgang for adjusting work box 7, roller-way structure
The clearing end of frame is additionally provided with the countercheck rod 34 for preventing work box 7 from falling.
Microwave leakage can cause harm to the human body, and carry out technology shielding to microwave leakage although with many kinds of measures, still
Microwave leakage is since a variety of factors still cannot be completely eliminated, in current actual production process, between staff needs
The detection of microwave leakage amount is carried out by handheld microwave leak detector at regular intervals, but this kind of mode not only can not be real-time
It was found that microwave leakage, and the health care belt to staff is easy to threaten.
For this purpose, further including for detecting microwave leakage amount in micro-wave drying equipment disclosed in the present embodiment
Microwave leak detector, and the first controller for being connected with microwave leak detector and starting for controlling micro-wave drying equipment,
The microwave leakage amount that microwave leakage instrument detects is more than when shutting down preset value, and the first controller control micro-wave drying equipment is stopped
Machine.
PLC controller can be used in controller, and microwave leakage instrument can carry out serial data communication with PLC controller.
The real-time monitoring of microwave leakage is realized by this kind of mode, and reaches shutdown preset value in microwave leakage amount
(national standard 5mw/cm2) when, equipment downtime is controlled, to avoid a large amount of microwave leakages to caused by personnel and equipment
It influences.
Further optimize the technical solution in above-described embodiment, is also provided with prompting preset value in the present embodiment, reminds
Preset value, which should be less than, shuts down preset value, and the microwave leakage amount detected by the microwave leakage instrument is more than when reminding preset value, the
One controller control microwave leakage alarm set is reminded, and prompting can be realized by sound and light signal, be mentioned when staff receives
After waking up, related seals position can be checked in time, sealing element can be replaced in necessary situation.
The empirical value that the prompting preset value can be obtained according to the micro-wave drying equipment is detected for a long time, such as positive reason
The microwave from leakage amount of the micro-wave drying equipment is less than 1mw/cm under condition2, then preset value can will be reminded to be set as being slightly larger than
Other numerical value of the normal value, such as 1.2mw/cm2。
It further, further include being controlled for controlling the second of microwave curing equipment start-stop or alarm in the present embodiment
Device, certainly, the second controller can be the same controller with the first controller in above-described embodiment, can also be different
Controller, one end that microwave catheter is used to be connected with Microwave cover are additionally provided with dual directional coupler, and dual directional coupler is for examining
The reflection power value of micrometer wave, when reflection power value reaches default reflection power value, controller control microwave curing equipment is stopped
Machine is to check, or control microwave curing equipment alarm, to remind operator to check.
In addition to this, a kind of microwave heating realized using above-mentioned micro-wave drying equipment is also disclosed in the present invention
Drying means, the micro-wave drying method include being heating and curing and cooling down placement, wherein being heating and curing includes: that will be contained in
Sand mold in work box 7 divides n heating period to carry out microwave heating, wherein n is positive integer, and n >=2, each heating period
In include multiple heating pulses, the heating power of each heating pulse is equal in the same heating period, PiRepresent i-th
The heating power of heating pulse in a heating period, then have Pi+1< Pi, wherein i≤n-1；The placement cooling includes: to close
The microwave drying mechanism is closed, and the work box 7 is placed 8~24 hours.
The core of this method is that each PULSE HEATING power in the same heating period is equal, and adjacent
In two heating periods, it is less than the heating power in the first heating period in the heating power in the rear heating period, that is to say, that
It is thermally dried by the way of gradually decreasing heating power, the advantage of this kind of mode is, initial stage is high-power to be heating and curing
The sand mold in low-temperature condition can be made to heat up rapidly, after sand mold temperature is higher, the high temperature of sand mold itself can rapidly inwardly
Diffusion, guarantees that the sand of each position solidifies as early as possible, at the same time, gradually reduces heating power to prevent burning；By testing,
This kind of mode heat drying effect is good, and almost without burning, sand mold heats week compared to tradition is entire also without cracking phenomena
For the constant mode of phase power, this kind of mode can significantly shorten the heat drying period, improve production efficiency.
Further, in the same heating period, the heating time of any one heating pulse is equal
It needs to be illustrated, the difference of sand mold volume, required total amount of heat is different, therefore actual production process
The middle variation needed according to sand mold volume, is adjusted flexibly heating pulse in the quantity and each heating period of heating period
Heating power, heating time and pulse number.
The quantity of heating pulse included in two heating periods of arbitrary neighborhood can be equal or unequal, arbitrarily
In two heating periods, the interval time of two neighboring heating pulse can be equal or unequal.
By taking the sand mold 3D printing work box 7 of 2200mm*1500mm*700mm as an example, 7 volume V=2.31m of work box is first
First, the work box 7 that 3D printing finishes is placed in microwave curing equipment, opens microwave drying mechanism and begins to warm up drying, it is micro-
Wave curing process is as follows:
First stage: power P1=90KW, T1=5min, t1=1min, m1=10；
Second stage: power P2=60KW, T2=5min, t2=1min, m2=5；
Phase III: power P3=30KW, T3=5min, t3=1min, m3=5；
Heated according to the above microwave curing step, after work box 7 is placed cooling 24 hours after carry out knock-out taking-up
Qualified sand mold, at this time about 50 DEG C of sand mold temperature or so in work box 7.
Wherein, T represents heating time, and t represents the intermittent time, and m represents pulse cycle number.
Micro-wave drying equipment provided by the present invention and micro-wave drying method are described in detail above.
Used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only used
In facilitating the understanding of the method and its core concept of the invention.It should be pointed out that for those skilled in the art,
Without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention, these improvement and modification
It falls into the protection scope of the claims in the present invention.
Claims (20)
1. a kind of micro-wave drying equipment, including elevating mechanism (3) and microwave drying mechanism, which is characterized in that further include
For containing material and top for the work box (7) of hatch frame, and for the work box (7) to be delivered to the lifting
The rollgang (5) of mechanism (3), wherein
The microwave drying mechanism has microwave generator (12), Microwave cover (8) and the connection microwave generator (12) and institute
The microwave catheter (11) of Microwave cover (8) is stated, the lower part of the Microwave cover (8) is microwave outlet；
The rollgang (5) is arranged on the elevating mechanism (3), and the elevating mechanism (3) can be followed to carry out up and down
Movement；
The elevating mechanism (3) is arranged in the lower section of the Microwave cover (8), is used to be mounted with the work box of material
(7) it jacks, so that opening and the microwave outlet contact at the top of the work box (7), and at the top of the work box (7)
The first sealing structure for preventing microwave leakage is provided between opening and microwave outlet.
2. micro-wave drying equipment according to claim 1, which is characterized in that first sealing structure includes end face
Sealing and side panel sealing, wherein
The Microwave cover (8) is internally provided with steel wire sealing brush (16) and elastic gauze screen (17), the top of the work box (7)
Portion periphery is provided with abutting part, under the jacking effect of the elevating mechanism (3), the top end surface of the work box (7) and institute
Elastic gauze screen (17) are stated to compress and constitute the end face seal；The abutting part and steel wire sealing brush (16) jam-packed and structure
At the side panel sealing.
3. micro-wave drying equipment according to claim 2, which is characterized in that the abutting part be provided with for institute
State the wedge-shaped jam-packed face of steel wire sealing brush (16) jam-packed contact.
4. micro-wave drying equipment according to claim 2, which is characterized in that further include being located at the Microwave cover (8)
It is interior, and along the microwave absorption pipe (10) circumferentially around setting of the Microwave cover (8), microwave absorption pipe (10) inner recirculation flow
It is dynamic to have the liquid that absorb microwave, and the microwave absorption pipe (10) is arranged close to first sealing structure, with absorb by
The microwave leaked at first sealing structure.
5. micro-wave drying equipment according to claim 1, which is characterized in that be provided in the work box (7) with
The float plate (22) of the cavity shape adaptation of the work box (7), and the float plate (22) is used to carry material to be solidified,
The side plate and bottom plate of the work box (7), which are formed by joint close, is laid with elastic gauze screen (17), in the float plate
(22) under pressure effect, the elasticity gauze screen (17) generates deformation and by the float plate (22) and the work box (7)
Between gap sealing.
6. micro-wave drying equipment according to claim 1, which is characterized in that be additionally provided with one in the Microwave cover
Or the microwave of multiple metal materials disperses item (21), the both ends of microwave dispersion item (21) are connected to the Microwave cover phase
Pair two sides on, and the cross section of microwave dispersion item is cone cell, and the tip of microwave dispersion item is towards described micro-
The top of wave cover is arranged.
7. micro-wave drying equipment according to claim 6, which is characterized in that the inner cavity of the Microwave cover (8) is by dividing
Partition (20) is divided into multiple radiological feedback chambers, each described radiological feedback is intracavitary to be provided with one or more microwaves point
It dissipating item (21), the Microwave cover (8) is connected with the microwave catheter (11) by power divider, and the one of the power divider
End is the general pipeline that is connected with the microwave catheter (11), the other end for and the one-to-one branched pipe of radiological feedback chamber
(18), any one branched pipe (18) is both connected to the top of the Microwave cover (8), and the radiological feedback chamber corresponding with itself
Connection.
8. micro-wave drying equipment according to claim 7, which is characterized in that each described branched pipe (18) is logical
Horn-like feedback mouth (9) is crossed to be connected with the top of the Microwave cover (8).
9. micro-wave drying equipment according to claim 1, which is characterized in that the microwave catheter be used for it is described micro-
The connected one end of wave producer is provided with the circulator for preventing microwave from flowing back, and one end for being connected with the Microwave cover is provided with
For reducing the screw tuner (19) of microwave reflection amount.
10. micro-wave drying equipment according to claim 1, which is characterized in that further include blower (4) and with it is described
The connected gas exhaust piping (6) of blower (4), the gas exhaust piping are passed through in the Microwave cover, will be described during microwave drying
Generated gas is drained in Microwave cover (8), is also provided with air inlet hole on the Microwave cover, to guarantee the gas in the Microwave cover
Flatten weighing apparatus.
11. micro-wave drying equipment according to claim 1, which is characterized in that the elevating mechanism (3) includes support
Frame (1), lifting motor (15), retarder (14) and lead screw lifting machine (28), wherein
Support frame as described above (1) is in rectangle, and the lifting motor (15) is fixed at the top of support frame as described above (1)；
The lead screw lifting machine (28) includes four, and four lead screw lifting machines (28) are respectively fixedly disposed at the support
Four corners position on frame (1) top；
The retarder (14) includes first stage decelerator and two stage reducer, and the first stage decelerator and the two stage reducer are equal
For double output shaft decelerator, the first stage decelerator is located at the center at the top of support frame as described above (1), and the two stage reducer is symmetrical
It is distributed in the two sides of the first stage decelerator, the output shaft phase of the input shaft of the first stage decelerator and the lifting motor (15)
Even, two output shafts of the first stage decelerator are connected with the input shaft of two two stage reducers respectively, any one described
Two output shafts of two stage reducer are connected with two lead screw lifting machines (28) respectively.
12. micro-wave drying equipment according to claim 11, which is characterized in that further include being bolted in institute
The stabilizer blade (24) of support frame (1) bottom is stated, the height tune for adjusting support frame as described above (1) height is additionally provided on the stabilizer blade (24)
Knothole.
13. micro-wave drying equipment according to claim 11, which is characterized in that the rollgang (5) includes roller
Road power mechanism and roller-way mechanism, wherein
The roller-way mechanism includes roller-way framework and the conveying roller body that is rotatably arranged on roller-way framework two sides, the roller
Road framework is fixed on the lead screw lifting machine (28), and the outer end of each conveying roller body is provided with input
Sprocket wheel (40)；
The roller-way power mechanism includes motive power framework, power motor (23), power decelerator (30) and power output shaft
(31), the motive power framework is fixedly mounted on the bottom of the roller-way framework, the power motor (23) and the power
Retarder (30) is connected, and the output shaft of the power decelerator (30) is connected with the power output shaft (31), and the power is defeated
The both ends of shaft (31) are respectively arranged with the first output chain gear (32) and the second output chain gear (33), first output chain gear
(32) power, second output are provided for the input sprocket (40) of the conveying roller body for roller-way framework side
The input sprocket (40) that sprocket wheel (33) is used for the conveying roller body for the roller-way framework other side provides power.
14. micro-wave drying equipment according to claim 13, which is characterized in that be additionally provided on the roller-way framework
Lifting sensors in place falls into place sensor and advance sensors in place, so that the work box (7) and the Microwave cover
(8) it realizes and is accurately positioned.
15. micro-wave drying equipment according to claim 13, which is characterized in that the arrival end of the roller-way framework is also
It is provided with the directive wheel (38) for entering the rollgang (5) direction for adjusting the work box (7), the roller-way framework
Clearing end is additionally provided with the countercheck rod (34) for preventing the work box (7) from falling.
16. micro-wave drying equipment described in -15 any one according to claim 1, which is characterized in that further include for examining
The microwave leak detector of micrometer wave leakage rate, and be connected with the microwave leak detector and set for controlling the micro-wave drying
First controller of standby start and stop, it is described when the microwave leakage amount detected by the microwave leak detector is more than shutdown preset value
First controller controls the micro-wave drying equipment downtime.
17. micro-wave drying equipment according to claim 16, which is characterized in that further include being connected with the controller
Microwave leakage alarm set, and the microwave leakage amount detected by the microwave leakage instrument be more than remind preset value when, institute
It states the first controller control microwave leakage alarm set to be reminded, wherein the prompting preset value is less than the shutdown
Preset value.
18. micro-wave drying equipment described in -15,17 according to claim 1, which is characterized in that further include for controlling
The second controller of microwave curing equipment start-stop or alarm is stated, one end that the microwave catheter is used to be connected with the Microwave cover is also
It is provided with dual directional coupler, the dual directional coupler is used to detect the reflection power value of microwave, and in the reflection power
When value reaches default reflection power value, the second controller controls the microwave curing equipment downtime or alarm.
19. a kind of micro-wave drying method, which is characterized in that added using the microwave as described in claim 1-18 any one
Hot drying equipment, and the micro-wave drying method includes being heating and curing, wherein
Described be heating and curing include:
N heating period is divided to carry out microwave heating the material being contained in the work box (7), wherein n >=2, each institute
Stating in the heating period includes multiple heating pulses, in the same heating period, any one of heating pulse
Heating power is equal, PiThe heating power for representing the heating pulse in i-th of heating period, then have Pi+1< Pi, wherein i≤
n-1。
20. micro-wave drying method according to claim 19, which is characterized in that in the same heating period, appoint
The heating time of one heating pulse of meaning is equal；And/or TiRepresent the heating of the heating pulse in i-th of heating period
Then there is T in timei+1=Ti, wherein i≤n-1；And/or the heating pulse included in the heating period described in any two
Quantity it is equal or different；And/or in the heating period described in any two, the interval time phase of the two neighboring heating pulse
Deng or differ.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811482711.1A CN109556359A (en) | 2018-12-05 | 2018-12-05 | A kind of micro-wave drying equipment and micro-wave drying method |
| PCT/CN2019/123240 WO2020114446A1 (en) | 2018-12-05 | 2019-12-05 | Microwave heating and drying device and microwave heating and drying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811482711.1A CN109556359A (en) | 2018-12-05 | 2018-12-05 | A kind of micro-wave drying equipment and micro-wave drying method |
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| CN109556359A true CN109556359A (en) | 2019-04-02 |
Family
ID=65869115
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| CN201811482711.1A Pending CN109556359A (en) | 2018-12-05 | 2018-12-05 | A kind of micro-wave drying equipment and micro-wave drying method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020114446A1 (en) * | 2018-12-05 | 2020-06-11 | 共享智能铸造产业创新中心有限公司 | Microwave heating and drying device and microwave heating and drying method |
| CN113315451A (en) * | 2021-06-12 | 2021-08-27 | 东北林业大学 | Movable microwave maintenance equipment |
| CN115560552A (en) * | 2022-08-30 | 2023-01-03 | 共享智能装备有限公司 | Microwave drying tool |
| CN115624199A (en) * | 2022-10-09 | 2023-01-20 | 泉州新强食品有限公司 | Meat product heat treatment process and device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1265010A (en) * | 1997-05-28 | 2000-08-30 | 澳大利亚鲁拉尔脱水企业有限公司 | Dehydration plant |
| CN101696811A (en) * | 2009-10-13 | 2010-04-21 | 成都艾迈计算机辅助工程有限责任公司 | Microwave oven with microwave homodisperse structure |
| CN105597928A (en) * | 2016-03-21 | 2016-05-25 | 平顶山市国邦新材料有限公司 | Silicon carbide powder production system |
| CN205351952U (en) * | 2015-10-30 | 2016-06-29 | 沈骏 | Controllable formula electro -technical ceramics microwave drying baking house |
| WO2017114619A1 (en) * | 2015-12-29 | 2017-07-06 | Arcelik Anonim Sirketi | A microwave oven with drying function |
| CN108007096A (en) * | 2017-11-14 | 2018-05-08 | 宁夏共享机床辅机有限公司 | A kind of jacking type sand core microwave drying equipment |
| CN108413753A (en) * | 2018-05-02 | 2018-08-17 | 共享智能铸造产业创新中心有限公司 | A kind of large scale sand core drying equipment |
| CN209495514U (en) * | 2018-12-05 | 2019-10-15 | 共享智能铸造产业创新中心有限公司 | A kind of micro-wave drying equipment |
-
2018
- 2018-12-05 CN CN201811482711.1A patent/CN109556359A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1265010A (en) * | 1997-05-28 | 2000-08-30 | 澳大利亚鲁拉尔脱水企业有限公司 | Dehydration plant |
| CN101696811A (en) * | 2009-10-13 | 2010-04-21 | 成都艾迈计算机辅助工程有限责任公司 | Microwave oven with microwave homodisperse structure |
| CN205351952U (en) * | 2015-10-30 | 2016-06-29 | 沈骏 | Controllable formula electro -technical ceramics microwave drying baking house |
| WO2017114619A1 (en) * | 2015-12-29 | 2017-07-06 | Arcelik Anonim Sirketi | A microwave oven with drying function |
| CN105597928A (en) * | 2016-03-21 | 2016-05-25 | 平顶山市国邦新材料有限公司 | Silicon carbide powder production system |
| CN108007096A (en) * | 2017-11-14 | 2018-05-08 | 宁夏共享机床辅机有限公司 | A kind of jacking type sand core microwave drying equipment |
| CN108413753A (en) * | 2018-05-02 | 2018-08-17 | 共享智能铸造产业创新中心有限公司 | A kind of large scale sand core drying equipment |
| CN209495514U (en) * | 2018-12-05 | 2019-10-15 | 共享智能铸造产业创新中心有限公司 | A kind of micro-wave drying equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020114446A1 (en) * | 2018-12-05 | 2020-06-11 | 共享智能铸造产业创新中心有限公司 | Microwave heating and drying device and microwave heating and drying method |
| CN113315451A (en) * | 2021-06-12 | 2021-08-27 | 东北林业大学 | Movable microwave maintenance equipment |
| CN115560552A (en) * | 2022-08-30 | 2023-01-03 | 共享智能装备有限公司 | Microwave drying tool |
| CN115624199A (en) * | 2022-10-09 | 2023-01-20 | 泉州新强食品有限公司 | Meat product heat treatment process and device |
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