CN110160337A - Microwave drier - Google Patents
Microwave drier Download PDFInfo
- Publication number
- CN110160337A CN110160337A CN201810149799.9A CN201810149799A CN110160337A CN 110160337 A CN110160337 A CN 110160337A CN 201810149799 A CN201810149799 A CN 201810149799A CN 110160337 A CN110160337 A CN 110160337A
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- Prior art keywords
- microwave
- unit
- waveguide pipe
- drier
- tube wall
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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
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of microwave driers, include: Microwave emission unit;Microwave irradiation unit is connect, comprising: waveguide pipe with the Microwave emission unit, wherein the waveguide pipe is with tube wall and has the irradiation space surrounded by the tube wall, and there are two slits for tool on the tube wall of the waveguide pipe;Isolated location is set between the Microwave emission unit and the microwave irradiation unit;And exhaust unit, it is connect with the waveguide pipe.Microwave drier of the invention can effectively promote the drying efficiency for work package as a result, can be applied to display panel industry, touch panel industry and solar energy module industry.
Description
Technical field
The present invention relates to a kind of microwave driers, relate more particularly to a kind of microwave drier comprising waveguide pipe.
Background technique
Currently, common drying device includes air knife and air-heater in opto-electronics glass substrate drying process.Wherein,
Multiple groups air knife face respectively glass substrate upper and lower surfaces setting, air-heater then by after heating dry air or nitrogen blow to base
Plate dries up substrate residual moisture.For the method in addition to being easy to produce washmarking, air knife position regulation is time-consuming, and the disturbance of air is not yet
Conducive to the control of dust fall on substrate.
Alternatively, substrate surface moisture is dried by oven heating.The method needs longer production line to install baking oven
With the cooling body of back segment, and power consumption is higher.
Microwave is that frequency ranges approximately from 300MHz to the electromagnetic wave between 300GHz.The heating of hydrone is selected by microwave
Selecting property can heat and dry the moisture in work package.However, traditional microwave heating equipment is only capable of mostly with batch (batch)
Mode dry work package, cannot achieve continuous production line, cause working efficiency bad.
Summary of the invention
The purpose of the present invention is to provide a kind of microwave driers, bad with the drying device working efficiency for improving traditional
The problem of.
For the above-mentioned purpose and other purposes, the present invention propose a kind of microwave drier, include:
Microwave emission unit;
Microwave irradiation unit is connect with the Microwave emission unit, comprising:
Waveguide pipe,
Wherein, which with tube wall and has the irradiation space surrounded by the tube wall, and the tube wall of the waveguide pipe
There are two slits for upper tool;
Isolated location is set between the Microwave emission unit and the microwave irradiation unit;And
Exhaust unit is connect with the waveguide pipe.
In one embodiment of the invention, the width of the slit is 1~5mm (maximum is no more than 5mm).
In one embodiment of the invention, the wave duct has the cross section of rectangle.
In one embodiment of the invention, which is further included:
Microwave monitoring unit, be set in the irradiation space or be set to the Microwave emission unit and the isolated location it
Between.
In one embodiment of the invention, which is further included:
Microwave absorption unit is connect with the microwave irradiation unit;And
Thermal energy recovery unit is connect with the microwave absorption unit.
In one embodiment of the invention, which includes:
Multiple waveguide pipes are one another in series by least a connection piece,
Wherein, the waveguide pipe is respectively provided with tube wall and is respectively provided with the irradiation space surrounded by the tube wall, and
Two slits are respectively provided on the tube wall of the waveguide pipe.
In one embodiment of the invention, at least a connection piece is integrally formed with this for multiple waveguide pipe.
In one embodiment of the invention, which includes:
Multiple waveguide pipes, are connected in parallel to each other by distribution member, which has an at least component, in each branch portion
Set up separately and set a power distributing unit,
Wherein, the waveguide pipe is respectively provided with tube wall and is respectively provided with the irradiation space surrounded by the tube wall, and
Two slits are respectively provided on the tube wall of the waveguide pipe.
In one embodiment of the invention, multiple waveguide pipe and the distribution member are integrally formed.
The present invention provides a kind of microwave driers as a result, can in a continuous manner, using microwave to microwave absorption
Body (such as: the water on glass substrate) it is heated, work package is dried, thus to meet the demand of producer.
In addition, the moisture in work package is evaporated because of microwave fast heating, it is not required to conduct thermal energy by work package itself,
Production line length can be shortened as much as possible, space shared by reduction system and manufacturing cost.
In addition, the thermal energy that processing procedure generates can be recycled in microwave drier provided by the present invention, the energy is effectively promoted
It utilizes.
Detailed description of the invention
Fig. 1 is the schematic diagram of the microwave drier of the embodiment of the present invention 1.
Fig. 2 is the side view of the working condition of the microwave drier of the embodiment of the present invention 1.
Fig. 3 is the schematic diagram of the microwave drier of the embodiment of the present invention 2.
Fig. 4 is the top view of the working condition of the microwave drier of the embodiment of the present invention 3.
Fig. 5 is the side view of the working condition of the microwave drier of the embodiment of the present invention 3.
Fig. 6 is the top view of the working condition of the microwave drier of the embodiment of the present invention 4.
Fig. 7 is the side view of the working condition of the microwave drier of the embodiment of the present invention 4.
Specific embodiment
To fully understand the purpose of the present invention, feature and effect, hereby by following specific embodiments, and cooperate attached drawing, it is right
The present invention elaborates, and illustrates as after:
Embodiment 1
Fig. 1 is the schematic diagram of the microwave drier of the embodiment of the present invention 1.As shown in Figure 1, the microwave drying of embodiment 1
Device 10 includes: Microwave emission unit 11, for emitting microwave;Microwave irradiation unit 12 connects with the Microwave emission unit 11
It connects, comprising: waveguide pipe 121, the microwave for guiding the Microwave emission unit 11 to be emitted, wherein the waveguide pipe 121 has pipe
Wall 122 and there is the irradiation space 123 that is surrounded by the tube wall 122, and there are two slits 124 for tool on the tube wall of the waveguide pipe;
Isolated location 13 is set between the Microwave emission unit 11 and the microwave irradiation unit 12;And exhaust unit 15, with
The waveguide pipe 121 connection.
It is the side view of the working condition of the microwave drier of the embodiment of the present invention 1 with further reference to Fig. 2.Such as
Shown in Fig. 2, in working condition, two slits 124 on tube wall 122 that work package 50 passes through the waveguide pipe 121 pass in and out the photograph
Penetrate space 123, in the irradiation space 123 by the microwave drying work package 50.
Referring to Fig. 2, the work package 50 is guided to pass in and out the irradiation space 123 in the present embodiment by multiple idler wheels 51.But this
Invention is not limited to this, it is possible to use and any existing transmission mechanism guides the work package, such as: it can also be by passing through slit
Conveyer belt guides the work package to pass in and out the irradiation space.
In embodiment 1, the cross section of the waveguide pipe 121 is rectangle.But the present invention is not limited thereto, can also be round, more
Side shape or other shapes.
In embodiment 1, which is sent out with receiving by the microwave adjacent to the one end open of the Microwave emission unit 11
Penetrate the microwave that unit 11 is emitted;And the other end far from the Microwave emission unit 11 is closed, and is leaked to avoid microwave from end.
The working condition based on standing wave form is formed in microwave irradiation space.
In the microwave drier of embodiment 1, the setting of the isolated location can prevent the Microwave emission unit to be reflected
Microwave damage, thus extend the service life of the Microwave emission unit.
In the microwave drier of embodiment 1, which can be used for excluding the vapor inside the waveguide pipe, thus
It can avoid generated vapor when the dry work package to accumulate in waveguide pipe inner transition, can further promote the microwave drying
The drying efficiency of device.
By Fig. 1 and Fig. 2 as it can be seen that the irradiation space 123 of microwave drier 10 of the invention directly in waveguide pipe 121 is dry
Dry work package 50 can efficiently reduce space shared by the microwave drier 10.In addition, the setting of two slits 124, can make
Work package 50 smoothly passes in and out the irradiation space 123, meanwhile, it can also be effectively prevented from except microwave leakage to the waveguide pipe 121.By
This, microwave drier of the invention can be applied to continuous production line (such as: roll-to-roll (Roll to Roll) processing procedure)
In, it can effectively promote the working efficiency of production line.
For example, microwave drier of the invention can be applied to display panel industry, touch panel industry and too
In the continuous production line of positive energy module industry, by glass base to be dried in the dry production line of the microwave drier
Material.
In one embodiment of the present invention, which may include: power supply unit;Microwave source;And it is micro-
Element needed for wave transmits.
In one embodiment of the present invention, which may include: isolator.
In one embodiment of the present invention, which may include: circulator;And terminal load.
In microwave drier of the invention, the frequency and wavelength for the microwave which is emitted be not special
Limitation, those skilled in the art in the technical field of the invention can carry out appropriate according to the waveguide pipe and the size of slit
Adjustment.
Consider following factors, it is preferable that when the cross section of waveguide pipe is rectangle, the size of the waveguide pipe and the microwave are sent out
Following relationship can be had by penetrating between the frequency and wavelength for the microwave that unit is emitted:
Preferably, the size of the waveguide pipe has to be larger than some minimum cross-section, the wavelength of corresponding microwave signal
Competence exertion normally acts on.Compared to the sectional area of waveguide pipe, if the wavelength of the signal is too long (frequency is too low), electromagnetic field will
It can not effectively propagate.Preferably, the low-limit frequency range of waveguide pipe work is that its cross sectional dimensions is enough to be included in microwave signal
A maximum wavelength.
It is specific when the cross section of waveguide pipe is rectangle, and the length of the waveguide pipe, width and height are respectively x, a and b
The lower cutoff frequency (or larger cutoff wavelength) of mode can be determined (length x does not influence cutoff frequency) by following formula:
Wherein,
The width (meter) of a=waveguide pipe
The height (meter) of b=waveguide pipe
The variation number of the direction m=a half-wavelength
The variation number of the direction n=b half-wavelength
Capacitivity (8.854187817 × 10 in μ=vacuum-12Farad/meter)
Magnetic conductivity (4 π × 10 in ε=vacuum-7N·A-2)
The internal cross section of common standard type rectangular wave guide in most cases has the ratio of width to height of 2:1 (commercially available
Waveguide pipe WR-90 not exclusively in this way, there are also other many exceptions), in other words closely.Rectangular wave guide cross sectional dimensions
Determine the frequency of this waveguide pipe conduction E-M wave, the size of waveguide pipe is bigger, and working frequency is lower.
Standard type rectangular wave guide is using WR as initial code.With conduction mode TE1,0For (i.e. m=1, n=0), WR284
The size of the cross section of waveguide pipe is (7.214cm × 3.404cm), its lower cutoff frequency is 2.078GHz after calculating.Generally
The working range of rectangular wave guide is between the 125%~190% of lower cutoff frequency;By taking WR284 as an example, working range is
2.60 between 3.95GHz.
All frequencies in microwave range in principle, i.e., 300 megahertzs (MHz) are arrived about 100 gigahertzs (GHz), can all be answered
For microwave drier of the invention.The main foundation of microwave frequency in the choice is the limitation of physical size, Absorption of Medium
Efficiency and related elements cost.According to upper, two frequencies such as 915MHz and 2.45GHz (relatively good to the evaporation efficiency of hydrone)
Rate does not interfere communication, and to be mass produced, using the frequency range of (such as: in household electrical appliances).The microwave of corresponding two frequencies
Cost is relatively low for radiated element, quality is stablized, and therefore, the microwave of the two frequencies is used in microwave drier of the invention
It is preferred, more economical selection.
Embodiment 2
Fig. 3 is the schematic diagram of the microwave drier of the embodiment of the present invention 2.As shown in figure 3, the microwave drying of embodiment 2
Device 20 includes: Microwave emission unit 21, for emitting microwave;Microwave irradiation unit 22 connects with the Microwave emission unit 21
It connects, comprising: waveguide pipe 221, the microwave for guiding the Microwave emission unit 21 to be emitted, wherein the waveguide pipe 221 has pipe
Wall 222 and there is the irradiation space 223 that is surrounded by the tube wall 222, and there are two slits 224 for tool on the tube wall of the waveguide pipe;
Isolated location 23 is set between the Microwave emission unit 21 and the microwave irradiation unit 22;And exhaust unit 25, with
The waveguide pipe 221 connection.
The said elements of the microwave drier 20 of embodiment 2 are same as Example 1, and details are not described herein.Compared to reality
Apply example 1, the microwave drier 20 of embodiment 2 further includes: microwave monitoring unit 24 is set to the irradiation space 223
In.
In one embodiment of the present invention, which may be disposed at the Microwave emission unit and list is isolated with this
Between member and/or it is set in the irradiation space far from the Microwave emission unit one end close to the position of the microwave absorption unit.
In the microwave drier of embodiment 2, which can be used for monitoring microwave intensity, and user can basis
The measured value of the microwave monitoring unit adjusts the frequency and power of the Microwave emission unit.Alternatively, control unit electricity can be passed through
Property connects the microwave monitoring unit and Microwave emission unit, which can monitor according to provided by the microwave monitoring unit
Signal provides control signal to control the frequency and power of the Microwave emission unit, is achieved in automation control.Preferably,
Two microwave monitoring unit can be respectively set in the both ends of the waveguide pipe, while monitor the microwave intensity at the both ends of the waveguide pipe,
Thus foundation of the more detailed monitoring information as the frequency and power for adjusting the Microwave emission unit is provided.
In addition, the microwave drier 20 of embodiment 2 also further includes compared to embodiment 1: a microwave absorption unit
26, it is connect with the microwave irradiation unit 22;And thermal energy recovery unit 27, it is connect with the microwave absorption unit 26.Microwave
Space is irradiated using traveling wave as prevailing operating state.
Unlike the first embodiment, in embodiment 2, which opens far from one end of the Microwave emission unit 21
It puts, remaining microwave energy is conducted to the microwave absorption unit 26.
Integrated embodiment 1 and embodiment 2 are it can be appreciated that in microwave drier of the invention, if further setting microwave
Absorptive unit, then waveguide pipe leaks to avoid microwave from end far from the closed at one end of the Microwave emission unit;In contrast,
If further setting microwave absorption unit, one end open of the waveguide pipe far from the Microwave emission unit, by remaining microwave
Energy conduction is to the microwave absorption unit.It is, waveguide pipe is far from the Microwave emission list in microwave drier of the invention
One end of member is to close or open, need to be depending on whether microwave absorption unit further being arranged.
It is, the one end of waveguide pipe far from the Microwave emission unit is that closing or opening can be depending on design need.
In the microwave drier of embodiment 2, which can be used for absorbing remaining microwave energy, thus into
One step avoids the leakage of microwave.Inside microwave absorption unit comprising with good microwave absorption capacity medium (such as:
Water).
In the microwave drier of embodiment 2, what which can be used for being absorbed the microwave absorption unit
Energy is recycled in the form of thermal energy.For example, remaining microwave energy is absorbed by water inside the microwave absorption unit
When amount, the water inside the microwave absorption unit can be heated by remaining microwave energy, at this point, the thermal energy recovery unit can will be added
The water of heat is transmitted in the device of other programs (such as: plating, etching program) of the production line and is applied, and thus being promoted should
The energy application efficiency of production line entirety.
In microwave drier of the invention, the power for the microwave which is emitted is simultaneously not particularly restricted,
Those skilled in the art in the technical field of the invention can be intended to dry journey according to the material and work package of the work package
Degree carries out adjustment appropriate.Lift lower example explanation:
The formula of energy needed for calculating evaporation water is first to be calculated by the specific heat of water;Every liter of water heating rises one and takes the photograph
Family name's degree needs the energy of 4.184 kJ (kilojoule)s (kJ).It is when heating the water to 100 DEG C of boiling cause with this energy, then another to need about
The energy of 2600 kJ (kilojoule)s is by one liter of liquid water transitions at steam.So the calculating of required energy can use one square of public affairs
Ruler area calculates for 0.5mm thickness moisture as follows:
Total volume=100cm × 100cm × 0.05cm=500cm of water3=0.5 liter
Assuming that initial water temperature is 20 DEG C, required gross energy=4.184 (kJ) × 0.5 × (100-20)+2600 is evaporated
(kJ) × 0.5=1467.36 (kJ)
If drying need to be completed in 1 minute, required power is about 1467.36/60=24.456kJ/sec=24.456kW;
Consider other losses of device, required Microwave emission source power is about 30kW.
In microwave drier of the invention, the width of two slits is simultaneously not particularly restricted, as long as can make have specific thickness
The work package of degree smoothly passes in and out the irradiation space, meanwhile, the microwave leakage with specific frequency can also be effectively prevented from and led to this
Except wave duct.Preferably, the width of slit is 1~5mm (maximum is no more than 5mm).
Embodiment 3
Fig. 4 is the top view of the working condition of the microwave drier of the embodiment of the present invention 3;And Fig. 5 is of the invention real
Apply the side view of the working condition of the microwave drier of example 3.As shown in Figures 4 and 5, the microwave drier 30 of embodiment 3,
Include: Microwave emission unit 31, for emitting microwave;Microwave irradiation unit 32 is connect with the Microwave emission unit 31, packet
Include: multiple waveguide pipes 321 are one another in series by least a connection piece 325, for guiding the Microwave emission unit 31 to be emitted
Microwave, wherein waveguide pipe 321 is respectively provided with tube wall 322 and is respectively provided with the irradiation space 323 surrounded by the tube wall 322, with
And two slits 324 are respectively provided on the tube wall 322 of waveguide pipe 321, it is led for passing in and out work package 50 sequentially by slit 324
The irradiation space 323 of wave duct 322, in irradiation space 323 in by the microwave drying work package 50.
The Microwave emission unit 31 of the microwave drier 30 of embodiment 3 is same as Example 1, and details are not described herein.Such as
Shown in Fig. 4 and Fig. 5, compared to embodiment 1, the microwave drier 30 of embodiment 3 has multiple waveguide pipes being one another in series
321, waveguide pipe 321 is communicated with each other by least a connection piece 325, the microwave that as a result, can be emitted the Microwave emission unit 31
It is sequentially conducted by multiple waveguide pipes 321 being one another in series, further to promote the drying efficiency of the microwave drier 30.
In embodiment 3, the quantity of concatenated waveguide pipe is not particularly limited, as long as having more than two waveguide pipes
Further promote the drying efficiency of the microwave drier.
In a preferred embodiment of embodiment 3, multiple waveguide pipes and at least a connection piece are integrally formed, as a result, may be used
Simplify the mechanism of the microwave drier, and microwave is avoided to leak from junction.
In a preferred embodiment of embodiment 3, there is the microwave drier of concatenated waveguide pipe further to wrap for this
Contain: isolated location, microwave monitoring unit and exhaust unit as described in Example 2.
In a preferred embodiment of embodiment 3, there is the microwave drier of concatenated waveguide pipe further to wrap for this
Contain: microwave absorption unit and thermal energy recovery unit, wherein least significant end in the microwave absorption unit and the microwave irradiation unit
The waveguide pipe of (that is, farthest away from the Microwave emission unit) connects.
Embodiment 4
Fig. 6 is the top view of the working condition of the microwave drier of the embodiment of the present invention 4;And Fig. 7 is of the invention real
Apply the side view of the working condition of the microwave drier of example 4.As shown in FIG. 6 and 7, the microwave drier 40 of embodiment 4,
Include: Microwave emission unit 41, for emitting microwave;Microwave irradiation unit 42 is connect with the Microwave emission unit 41, packet
Include: multiple waveguide pipes 421 are connected in parallel to each other by a distribution member 425, for guiding the emitted microwave of Microwave emission unit 41,
The distribution member 425 has an at least component 426, a power distributing unit 427 is arranged in each component 426, thus
The microwave that the Microwave emission unit 41 is emitted is evenly distributed to waveguide pipe 421.Wherein, waveguide pipe 421 is respectively provided with tube wall
It 422 and is respectively provided on the tube wall 422 in the irradiation space 423 and waveguide pipe 421 that are surrounded by the tube wall 422 and is respectively provided with
Two slits 424, for making work package 50 pass through the irradiation space 423 that slit 424 sequentially passes in and out waveguide pipe 422, in irradiation
By the microwave drying work package 50 in space 423.
The Microwave emission unit 41 of the microwave drier 40 of embodiment 4 is same as Example 1, and details are not described herein.Such as
Shown in Fig. 6 and Fig. 7, compared to embodiment 1, the microwave drier 40 of embodiment 4 has multiple waveguide pipes being connected in parallel to each other
421, waveguide pipe 421 is communicated with each other by distribution member 425, the microwave that the Microwave emission unit 41 can be emitted as a result, distribute to
Multiple waveguide pipes 421 being connected in parallel to each other, further to promote the drying efficiency of the microwave drier 40.
In embodiment 4, the quantity of waveguide pipe in parallel is not particularly limited, as long as having more than two waveguide pipes
Further promote the drying efficiency of the microwave drier.
In a preferred embodiment of embodiment 4, multiple waveguide pipes and distribution member are integrally formed, can simplify this as a result,
The mechanism of microwave drier, and microwave is avoided to leak from junction.
In a preferred embodiment of embodiment 4, there is the microwave drier of waveguide pipe in parallel further to wrap for this
Contain: isolated location, microwave monitoring unit and exhaust unit as described in Example 2.
In a preferred embodiment of embodiment 4, there is the microwave drier of waveguide pipe in parallel further to wrap for this
Contain: multiple microwave absorption units and thermal energy recovery unit, wherein it is separate to be respectively connected to each waveguide pipe for microwave absorption unit
One end of the Microwave emission unit.
The present invention is hereinbefore disclosed with preferred embodiment, however it will be understood by those skilled in the art that the implementation
Example is only used for describing the present invention, and is not construed as limiting the scope of the invention.It should be noted that such as equivalent with the embodiment
Variation and displacement, should all be set as being encompassed within the scope of the present invention.Therefore, protection scope of the present invention is when with claims
Subject to the range defined.
Claims (9)
1. a kind of microwave drier, characterized by comprising:
Microwave emission unit;
Microwave irradiation unit is connect with the Microwave emission unit, comprising:
Waveguide pipe,
Wherein, which with tube wall and has the irradiation space surrounded by the tube wall, and has on the tube wall of the waveguide pipe
There are two slits;
Isolated location is set between the Microwave emission unit and the microwave irradiation unit;And
Exhaust unit is connect with the waveguide pipe.
2. microwave drier as described in claim 1, which is characterized in that the width of the slit is 1~5mm.
3. microwave drier as described in claim 1, which is characterized in that the waveguide pipe has the cross section of rectangle.
4. microwave drier as described in claim 1, which is characterized in that further include:
Microwave monitoring unit is set in the irradiation space or is set between the Microwave emission unit and the isolated location.
5. microwave drier as described in claim 1, which is characterized in that further include:
Microwave absorption unit is connect with the microwave irradiation unit;And
Thermal energy recovery unit is connect with the microwave absorption unit.
6. such as microwave drier described in any one of claims 1 to 5, which is characterized in that the microwave irradiation
Unit includes:
Multiple waveguide pipes are one another in series by least a connection piece,
Wherein, the waveguide pipe is respectively provided with tube wall and is respectively provided with the irradiation space surrounded by the tube wall, and
Two slits are respectively provided on the tube wall of the waveguide pipe.
7. microwave drier as claimed in claim 6, which is characterized in that multiple waveguide pipe and at least a connection piece one
Body forming.
8. such as microwave drier described in any one of claims 1 to 5, which is characterized in that the microwave irradiation
Unit includes:
Multiple waveguide pipes, are connected in parallel to each other by distribution member, which has an at least component, are set up separately in each branch portion
A power distributing unit is set,
Wherein, the waveguide pipe is respectively provided with tube wall and is respectively provided with the irradiation space surrounded by the tube wall, and
Two slits are respectively provided on the tube wall of the waveguide pipe.
9. microwave drier as claimed in claim 8, which is characterized in that multiple waveguide pipe and the distribution member one at
Shape.
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Cited By (2)
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CN114061294A (en) * | 2020-08-06 | 2022-02-18 | 宏硕系统股份有限公司 | Microwave drying device and treatment box thereof |
US11619446B2 (en) | 2020-09-08 | 2023-04-04 | Wave Power Technology Inc. | Microwave drying device and processing box thereof |
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CN102128541A (en) * | 2010-01-13 | 2011-07-20 | 温国俊 | Printing and dyeing continuous microwave dryer |
US20120160838A1 (en) * | 2010-12-23 | 2012-06-28 | Eastman Chemical Company | Wood heater with enhanced microwave dispersing and tm-mode microwave launchers |
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CN114061294A (en) * | 2020-08-06 | 2022-02-18 | 宏硕系统股份有限公司 | Microwave drying device and treatment box thereof |
US11619446B2 (en) | 2020-09-08 | 2023-04-04 | Wave Power Technology Inc. | Microwave drying device and processing box thereof |
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