CN209468309U - A kind of microwave-electricity Hybrid Heating realizes the device of glass ceramics crystallization - Google Patents
A kind of microwave-electricity Hybrid Heating realizes the device of glass ceramics crystallization Download PDFInfo
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- CN209468309U CN209468309U CN201920079177.3U CN201920079177U CN209468309U CN 209468309 U CN209468309 U CN 209468309U CN 201920079177 U CN201920079177 U CN 201920079177U CN 209468309 U CN209468309 U CN 209468309U
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Abstract
The utility model relates to the devices that a kind of microwave-electricity Hybrid Heating realizes glass ceramics crystallization, including main furnace body, microwave heating system, electric heating system and conveyer system, the utility model will heat up, crystallization, cooling and cooling procedure organically combine, realize the automation of entire crystallization production process, the device realized in entire heating process microwave heating and it is electrically heated alternately, microwave, electric heating, which is realized, automatically switches, while microwave heating treatment glass and ceramic product, the temperature atmosphere of a synchronous equilibrium is provided using electric heating, the inviolent cooling of whole process and temperature-rise period, eliminate stress, whole process effectively prevents product cracking, it can the comprehensive quality for improving product.
Description
Technical field
The utility model belongs to glass ceramics technical field, in particular to a kind of to realize glass using microwave-electricity Hybrid Heating
The device and method of glass ceramics progress crystallization.
Background technique
With the development of national economy, glass ceramics industrialized production has obtained developing on a large scale very much, but its in industrial equipment and
There is also problems, the especially exploitation of glass ceramics crystallization technology and equipment in terms of the research and development of industrialization production technology
It is the difficult point and emphasis of glass ceramics industry development, relatively for the huge applications prospect of glass ceramics, China's glass ceramics
Industrialized production just starts to walk, and basic reason is that the current research in China lays particular emphasis on laboratory research mostly, and less input
Energy carry out long-term a large amount of industrial test and test manufacture, the especially research and development in industrial equipment and industrialization production technology
Problems existing for aspect are anxious to be resolved.Due to glass ceramics crystallization must the even running in crystallization furnace, and need to guarantee
The temperature difference of material heat treatment in a certain range, i.e., will control within ± 10 DEG C in each temperature section, therefore propose to crystallization furnace
Requirements at the higher level, if first huge energy consumption, is second difficult to ensure crystallization quality using natural gas or coal gas as fuel.Therefore, it is badly in need of
Existing glass ceramics crystallization apparatus is improved.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide that a kind of production is stablized, capital equipment makes
With service life length, high production efficiency, crystal effect is good, production cost is low is carried out using microwave-electricity Hybrid Heating to glass ceramics
The device and method of crystallization.
Particular content is as follows: a kind of microwave-electricity Hybrid Heating realizes the device of glass ceramics crystallization, which includes main furnace
Body, microwave heating system, electric heating system and conveyer system, it is characterized in that:
The main furnace body includes the warming-up section (11) for successively sealing docking, crystallization section (12), temperature descending section (13) and cooling
Section (14)；Every section of main furnace body of inside be equipped with burner hearth (16), burner hearth (16) inner wall be equipped with insulating layer (17), in main furnace body
Each section of top is equipped with the microwave heating system including microwave transmission system (21) and thermocouple (22) composition, the thermoelectricity
Even (22) run through main furnace body and extend into the inside of main furnace body；
Electric heating system is provided in each section of side of main furnace body；The electric heating system includes being fixed in main furnace body
The electrical heating elements (34) of wall two sides are fixed on inhibition waveguide (33) and advance and retreat executing agency cylindric on main furnace body lateral surface
(37), the lead at the electrical heating elements (34) the two poles of the earth is respectively fixedly connected on the end (35) of main furnace body lateral surface, institute
The one end for stating advance and retreat executing agency (37) is equipped with power supply line contact (36), the other end and direct current generator of advance and retreat executing agency (37)
(38) output shaft is coaxially fixed, and the end (35) and power supply line contact (36) are along the center line pair for inhibiting waveguide (33)
The inside for inhibiting waveguide (33) should be set；
Horizontal cross, which is equipped with, in the bottom of main furnace body runs through the conveyer system that main furnace body each Duan Bingcong main furnace body both ends are stretched out,
The conveyer system includes the roller-way of the horizontal parallel arrangement of several rotating roller (52) compositions, is equipped with and drives in one end of main furnace body
The output shaft of dynamic motor (54), driving motor coaxially fixes one for conveying the nonmetallic transmission main shaft (55) of power；It is described
Nonmetallic transmission main shaft (55) be horizontally through main shaft microwave and inhibit device (56), and one with every rotating roller (52) on roller-way
End forms gear drive by bevel gear or helical gear (57) engagement, and the conveyer system wraps up set (53) by metal plate
It envelopes, metal plate package set (53) is welded on each section of main furnace body of side wall.
Preferably, it is diameter 2.5-5.5cm that the main shaft microwave, which inhibits device (56), the gold that length is 5-10 times of its diameter
Belong to cylinder；Main shaft microwave inhibits device (56) one end to be welded on the package set of the metal plate on main furnace body (53).
Preferably, the electrical heating elements (34) be Elema, Si-Mo rod, carbon fiber heating tube or electric furnace heating wire, it is described
Rotating roller (52) is ceramic material.
Preferably, microwave is provided in the entrance and exit position of conveyer system inhibit device (51).
Preferably, the inhibition waveguide (33) is that one end is welded on main furnace body and diameter is 1.5-5.0cm, length is it
5-10 times of diameter of metallic cylinder.
Preferably, the inhibition waveguide (33) is a kind of cut-off attenuator, and the main body of the cut-off attenuator is one
Section is in the circular waveguide of off state, and the radius of circular waveguide meets cut-off condition: λ > > (λC)TE11, wherein λ is microwave wavelength, λC
For cutoff wavelength.
Preferably, the microwave transmission system (21) includes 10-80 microwave source；Each microwave source includes that output power is
The microwave transmission of 1KW-3KW, the magnetron that Microwave emission frequency is 2.45GHz and respective frequencies motivate waveguide；The electric heating
System includes 10-40 electrical heating elements (34), and the output power of each electrical heating elements (34) is 2-5KW.
The advantageous effects of the utility model:
(1) the utility model uses microwave heating and electric heating and carries out Crystallizing treatment to glass ceramics, both ensure that crystalline substance
Stablizing for change process carries out, and makes crystallization process more perfect further through the non-thermal effect of microwave heating, can integrate raising and produce
The quality of product.
(2) the utility model will heat up, crystallization, cooling and cooling procedure organically combine, simple process, operation side
Just, the automation of the entire crystallization process production of material is realized.
(3) the utility model provides one and its using electric heating while microwave heating treatment glass and ceramic product
Synchronous balanced temperature atmosphere, the inviolent cooling of whole process and temperature-rise period, eliminate stress, effectively prevent producing
Product cracking.
(4) the utility model realizes microwave heating and electric heating alternately in entire heating process, can be according to institute
The technological parameter of setting automatically adjusts and switches microwave heating and electrically heated runing time and corresponding heating power, to protect
Demonstrate,prove the realization of optimised process.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram that microwave-electricity Hybrid Heating realizes glass ceramics crystallization system；
Fig. 2 is the sectional view in the direction A-A in Fig. 1；
Fig. 3 is the process flow chart that microwave-electricity Hybrid Heating realizes glass ceramics crystallization.
In figure: 11. warming-up sections, 12. crystallization sections, 13. temperature descending sections, 14. cooling sections, 15. to the material of crystallization, 16. burner hearths,
17. insulating layer；21. microwave transmission system, 22. thermocouples, 33. inhibit waveguide, 34. electrical heating elements, 35. ends, 36. power supplys
Line contact, 37. advance and retreat executing agencies, 38. direct current generators, 39. relay control coils；51. microwave inhibits device, 52. rotations
Roller, 53. metal plates package set, 54. driving motors, 55. nonmetallic transmission main shafts, 56. inhibit device, 57. cones for main shaft microwave
Gear or helical gear.
Specific embodiment
Embodiment one: referring to Fig. 1-3, a kind of microwave-electricity Hybrid Heating realizes the device of glass ceramics crystallization, including main furnace
Body, microwave heating system, electric heating system and conveyer system；
The main furnace body includes the warming-up section (11) for successively sealing docking, crystallization section (12), temperature descending section (13) and cooling section
(14)；Burner hearth (16) are equipped with every section of main furnace body of inside, are equipped with insulating layer (17) on burner hearth (16) inner wall, it is each in main furnace body
The top of section is equipped with the microwave heating system including microwave transmission system (21) and thermocouple (22) composition, the thermocouple
(22) run through main furnace body and extend into the inside of main furnace body；
Electric heating system is provided in each section of side of main furnace body；The electric heating system includes being fixed in main furnace body
The electrical heating elements (34) of wall two sides are fixed on inhibition waveguide (33) and advance and retreat executing agency cylindric on main furnace body lateral surface
(37), the lead at the electrical heating elements (34) the two poles of the earth is separately connected on the end (35) for being fixed on main furnace body lateral surface, institute
Advance and retreat executing agency (37) one end stated is equipped with power supply line contact (36), and the output shaft of the other end and direct current generator (38) is coaxially solid
Fixed, center line of the end (35) and power supply line contact (36) along inhibition waveguide (33) is correspondingly arranged at inhibition waveguide
(33) inside, the advance and retreat executing agency (37) are driven by direct current generator, and are controlled by relay control coil and PLC
System；
The bottom of the main furnace body is equipped with horizontal cross and runs through the transmission system that main furnace body each Duan Bingcong main furnace body both ends are stretched out
System, the conveyer system include the roller-way of the horizontal parallel arrangement of several rotating roller (52) compositions, are equipped in main furnace body one end
Driving motor (54), the output shaft of driving motor coaxially fixes the nonmetallic transmission main shaft (55) for being used to convey power, non-
Metal transmission main shaft (55) is horizontally through main shaft microwave and inhibits one end of every rotating roller (52) on device (56) and roller-way logical
It crosses bevel gear or helical gear (57) engagement forms gear drive, the conveyer system is wrapped up set (53) by metal plate and coated
Firmly, metal plate package set (53) is welded on each section of main furnace body of side wall.
It is diameter 3cm that the main shaft microwave, which inhibits device (56), the metallic cylinder that length is 18cm；Main shaft microwave inhibits dress
It sets on (56) one end weld plate package set (53).
The electrical heating elements (34) are Elema, Si-Mo rod, carbon fiber heating tube or electric furnace heating wire, the rotating roller
(52) it is made of ceramic material.
Microwave, which is provided with, in the entrance and exit position of conveyer system inhibits device (51).
Inhibition waveguide (33) is the metallic cylinder that one end is welded on that on main furnace body and diameter is 2cm, length is 12cm.
The microwave transmission system (21) includes 60 microwave sources, and each microwave source includes that output power is sent out for 2KW, microwave
The microwave transmission of magnetron and respective frequencies that radio frequency rate is 2.45GHz motivates waveguide；The electric heating system includes 35 electricity
Heating element (34)；The output power of each electrical heating elements (34) is 3KW.
The microwave heating system, electric heating system, conveyer system are controlled by control system, and control system utilizes touching
It touches screen and parameters setting is carried out to PLC, A/D carries out PID arithmetic by PLC, then passes through D/A points according to PID arithmetic result
Magnetron and electric heating system are not controlled by execution system；PLC is electric with touch screen, control respectively by data/address bus
Road connection；The control circuit contains opening for a certain number of manual switches and signal acquisition circuit being connected with input terminal
OFF signal circuit.
For electric heating system in microwave operational, end (35) 50mm is left in control power supply line contact (36)；Wait need electricity to add
When hot, microwave stops output, and power supply line contact (36) is promoted the end with electrical heating elements lead by advance and retreat executing agency (37)
Contact is powered after then postponing 3 seconds；When needing to carry out microwave heating, it is initially switched off electric heating power supply, power supply line touches after delay 2 seconds
Head (36) exits 50mm by advance and retreat executing agency (37), to prevent the leakage of microwave；Start microwave output progress microwave simultaneously to add
Heat.
According to microwave transmission theory, inhibiting waveguide (33) is exactly a kind of cut-off attenuator, is special using the cut-off of waveguide
Property be made into, the main body of this cut-off attenuator be one section be in off state circular waveguide, select the radius of circular waveguide to meet
Cut-off condition:
λ>>(λC)TE11
Wherein: λ is microwave wavelength, λCFor cutoff wavelength.
Due to TE11Mould is the lowest mode in circular waveguide, if TE11Mould is ended, then other all higher modes quilt entirely
Cut-off, becomes resonant cavity (furnace body) at the beginning of circular waveguide and has motivated TE11The cutoff field of mode, the magnetic field edge H of this cutoff field
Circular waveguide longitudinal (direction z) is exponentially decayed, i.e. H ∝ e-αz, wherein attenuation coefficient α are as follows:
When electric heating, power supply line contact (36) is contacted with the end (35) that electrical heating elements (34) connect, electrical heating elements
It is powered, realizes electric heating；When microwave heating, power supply line contact (36) leaves the end (35) of electrical heating elements (34) connection；Such as
Fruit is at this time using common relay, due to being left between its contact apart from very little (generally in 1mm or so), then resonant cavity
(furnace body) has motivated TE in the end (35) at circular waveguide beginning11Mode, so that a part of microwave power enters power supply line contact
(36), it will generate serious microwave leakage.
By means of the regulating mechanism set up, entire power supply line contact (36) is made to do lateral shifting along the axis of inhibition waveguide (33)
Dynamic, if power supply line contact (36) is located at the initial position at Z=0, being coupled to the microwave power in power supply line contact (36) is P
(0)=P0, then the coupled power when power supply line contact (36) pulled into Z=L are as follows:
P1=PL=P0e-2αL
Work as λ > > λCWhen, attenuation coefficient α is very big, and mobile not too long of a distance can be obtained by very big attenuation.
P1For output power at this time, it is equivalent to power P2Attenuation are as follows:
Wherein:
Starting attenuation when A (0) is Z=0, P2For the microwave power in burner hearth.
Embodiment two: referring to Fig. 1-3, glass ceramics crystallization system is realized using microwave-electricity Hybrid Heating of embodiment one
The method that crystallization is carried out to glass ceramics, comprising the following steps:
1. the roller-way formed to the material of crystallization (15) by rotating roller (52) is inhibited device (51) through the microwave of entrance
It opens electric heating system into warming-up section (11), when heating to be electrically heated, power supply line contact (36) is by advance and retreat executing agency
(37) it promotes and is contacted with the end (35) of electrical heating elements lead, is powered after then postponing 3 seconds, adjusting electrical heating power is
40KW is warming up to 400 DEG C with 3 DEG C of rate per minute；It is then turned on microwave-electricity Hybrid Heating system, that is, is initially switched off electric heating
Power supply, power supply line contact (36) exits 50mm by advance and retreat executing agency (37) after delay 3 seconds；Start microwave transmission system simultaneously
(21) microwave heating, microwave output power 30KW are carried out, operation closed microwave heating after 4 minutes；Open electric heating, electric heating
Output power is 34KW, opens microwave heating after closing electric heating after operation 14 minutes；In cycles, circulation carries out；Keep with
2 DEG C of rate per minute is warming up to 600 DEG C；Heat preservation 30 minutes；
2. being transferred to crystallization section (12) crystallization after the completion of heating, when crystallization, opens microwave-electricity Hybrid Heating, first starts microwave
Emission system (21) carries out microwave heating, microwave output power 30KW, and operation closed microwave heating after 4 minutes；Electricity is opened to add
Heat, electrically heated output power are 30KW, and operation opens microwave heating after closing electric heating after twenty minutes；In cycles, it recycles
It carries out；It keeps being warming up to 780 DEG C with 3 DEG C of rate per minute；Heat preservation 30 minutes；
3. entering temperature descending section (13) cooling after the completion of crystallization, when cooling, uses electric heating, and adjusting electric heating output power is
15KW is cooled to 250 DEG C with 3 DEG C of rate per minute；
4. entering cooling section (14) after the completion of cooling, being cooled to 120 DEG C can be used natural cooling hereinafter, cooling down, and finally produce
Product inhibit device (51) to come out of the stove through roller-way by the microwave of outlet.
Embodiment three: referring to Fig. 1-3, glass ceramics crystallization system is realized using microwave-electricity Hybrid Heating of embodiment one
The method that crystallization is carried out to glass ceramics, comprising the following steps:
1. the roller-way formed to the material of crystallization (15) by rotating roller (52) is inhibited device (51) through the microwave of entrance
It opens electric heating system into warming-up section (11), when heating to be electrically heated, power supply line contact (36) is by advance and retreat executing agency
(37) it promotes and is contacted with the end (35) of electrical heating elements lead, is powered after then postponing 4 seconds, adjusting electrical heating power is
45KW is warming up to 420 DEG C with 2 DEG C of rate per minute, is then turned on microwave-electricity Hybrid Heating and is initially switched off electric heating power supply,
Power supply line contact (36) exits 55mm by advance and retreat executing agency (37) after delay 4 seconds；Simultaneously start microwave transmission system (21) into
Row microwave heating, microwave output power 35KW, operation closed microwave heating after 3 minutes；Open electric heating, electric heating output work
Rate is 30KW, is then turned on microwave heating after closing electric heating after operation 12 minutes；In cycles, circulation carries out；It keeps with every point
The rate that 2 DEG C of clock is warming up to 610 DEG C；Heat preservation 32 minutes；
2. being transferred to crystallization section (12) after the completion of heating, microwave-electricity Hybrid Heating is opened when crystallization, first starts Microwave emission
System (21) carries out microwave heating, microwave output power 31KW, and microwave heating is closed in operation after five minutes；Open electric heating, electricity
Heating output power is 32KW, and operation is then turned on microwave heating after closing electric heating after twenty minutes；In cycles, circulation carries out；
It keeps being warming up to 790 DEG C with 4 DEG C of rate per minute；Heat preservation 32 minutes；
3. entering temperature descending section (13) after the completion of crystallization, when cooling, uses electric heating, and adjustings electric heating output power is 16KW,
260 DEG C are cooled to 3 DEG C of rate per minute；
4. entering cooling section (14) after the completion of cooling is cooled to 120 DEG C hereinafter, be cooled to natural cooling, then logical through roller-way
The microwave for crossing outlet inhibits device (51) to come out of the stove.
Example IV: referring to Fig. 1-3, glass ceramics crystallization system is realized using microwave-electricity Hybrid Heating of embodiment one
The method that crystallization is carried out to glass ceramics, comprising the following steps:
1. the roller-way formed to the material of crystallization (15) by rotating roller (52) is inhibited device (51) through the microwave of entrance
It opens electric heating system into warming-up section (11), when heating to be electrically heated, power supply line contact (36) is by advance and retreat executing agency
(37) it promotes and is contacted with the end (35) of electrical heating elements lead, is powered after then postponing 5 seconds, adjusting electrical heating power is
44KW is warming up to 440 DEG C with 3 DEG C of rate per minute, is then turned on microwave-electricity Hybrid Heating and is initially switched off electric heating power supply,
Power supply line contact (36) exits 70mm by advance and retreat executing agency (37) after delay 5 seconds；Simultaneously start microwave transmission system (21) into
Row microwave heating, the output power of microwave are 36KW, and microwave heating is closed in operation after five minutes；Open electric heating, electric heating output
Power is 28KW, opens microwave heating after closing electric heating after operation 12 minutes；In cycles, circulation carries out；It keeps with every point
The rate that 2 DEG C of clock is warming up to 580 DEG C；Heat preservation 35 minutes；
2. being transferred to crystallization section (12) after the completion of heating, microwave-electricity Hybrid Heating is opened when crystallization, first starts Microwave emission
System (21) carries out microwave heating, and the output power of microwave is 33KW, and operation closed microwave heating after 6 minutes；Electric heating is opened,
Electrically heated output power is 35KW, opens microwave heating after closing electric heating after operation 22 minutes；In cycles, recycle into
Row；It keeps being warming up to 790 DEG C with 4 DEG C of rate per minute, keeps the temperature 35 minutes；
3. entering temperature descending section (13) after the completion of crystallization, cooling uses electric heating, and adjusting electrically heated output power is 18KW,
260 DEG C are cooled to 2 DEG C of rate per minute；
4. entering cooling section (14) after the completion of cooling is cooled to 120 DEG C hereinafter, cooling cooling using air blast, final product warp
Roller-way inhibits device (51) to come out of the stove by the microwave of outlet.
The above is only the preferred embodiments of the utility model, and for those skilled in the art, the utility model can
To there is various modifications and variations.All any modifications made in the utility model design, equivalent replacement or improvement etc. include
It is within the protection scope of the utility model.
Claims (7)
1. a kind of microwave-electricity Hybrid Heating realizes the device of glass ceramics crystallization, which includes main furnace body, microwave heating system
System, electric heating system and conveyer system, it is characterized in that:
The main furnace body includes the warming-up section (11) for successively sealing docking, crystallization section (12), temperature descending section (13) and cooling section
(14)；Every section of main furnace body of inside be equipped with burner hearth (16), burner hearth (16) inner wall be equipped with insulating layer (17), it is each in main furnace body
The top of section is equipped with the microwave heating system including microwave transmission system (21) and thermocouple (22) composition, the thermocouple
(22) run through main furnace body and extend into the inside of main furnace body；
Electric heating system is provided in each section of side of main furnace body；The electric heating system includes being fixed on main furnace body inner wall two
The electrical heating elements (34) of side are fixed on inhibition waveguide (33) and advance and retreat executing agency cylindric on main furnace body lateral surface
(37), the lead at the electrical heating elements (34) the two poles of the earth is respectively fixedly connected on the end (35) of main furnace body lateral surface, institute
The one end for stating advance and retreat executing agency (37) is equipped with power supply line contact (36), the other end and direct current generator of advance and retreat executing agency (37)
(38) output shaft is coaxially fixed, and the end (35) and power supply line contact (36) are along the center line pair for inhibiting waveguide (33)
The inside for inhibiting waveguide (33) should be set；
Horizontal cross, which is equipped with, in the bottom of main furnace body runs through the conveyer system that main furnace body each Duan Bingcong main furnace body both ends are stretched out, it is described
Conveyer system includes the roller-way of the horizontal parallel arrangement of several rotating roller (52) compositions, is equipped with driving electricity in one end of main furnace body
Machine (54), driving motor output shaft coaxially fix one for conveying the nonmetallic transmission main shaft (55) of power；Described is non-
Metal transmission main shaft (55) is horizontally through main shaft microwave and inhibits device (56), and equal with one end of every rotating roller (52) on roller-way
Gear drive is formed by bevel gear or helical gear (57) engagement, the conveyer system is wrapped up set (53) by metal plate and coated
Firmly, metal plate package set (53) is welded on each section of main furnace body of side wall.
2. a kind of microwave-electricity Hybrid Heating as described in claim 1 realizes the device of glass ceramics crystallization, it is characterized in that: institute
State main shaft microwave inhibit device (56) be diameter 2.5-5.5cm, the metallic cylinder that length is 5-10 times of its diameter；The suppression of main shaft microwave
Device (56) one end processed is welded on the package set of the metal plate on main furnace body (53).
3. a kind of microwave-electricity Hybrid Heating as described in claim 1 realizes the device of glass ceramics crystallization, it is characterized in that: institute
Stating electrical heating elements (34) is Elema, Si-Mo rod, carbon fiber heating tube or electric furnace heating wire, and the rotating roller (52) is ceramic material
Material.
4. a kind of microwave-electricity Hybrid Heating as described in claim 1 realizes the device of glass ceramics crystallization, it is characterized in that:
The entrance and exit position of conveyer system is provided with microwave and inhibits device (51).
5. a kind of microwave-electricity Hybrid Heating as described in claim 1 realizes the device of glass ceramics crystallization, it is characterized in that: institute
Stating inhibition waveguide (33) is the metal that one end is welded on that on main furnace body and diameter is 1.5-5.0cm, length is 5-10 times of its diameter
Cylinder.
6. a kind of microwave-electricity Hybrid Heating as described in claim 1 realizes the device of glass ceramics crystallization, it is characterized in that: institute
Stating inhibition waveguide (33) is a kind of cut-off attenuator, and the main body of the cut-off attenuator is one section of circle for being in off state
The radius of waveguide, circular waveguide meets cut-off condition: λ > > (λC)TE11, wherein λ is microwave wavelength, λCFor cutoff wavelength.
7. a kind of microwave-electricity Hybrid Heating as described in claim 1 realizes the device of glass ceramics crystallization, it is characterized in that: institute
Stating microwave transmission system (21) includes 10-80 microwave source；Each microwave source includes that output power is 1KW-3KW, Microwave emission
The microwave transmission of magnetron and respective frequencies that frequency is 2.45GHz motivates waveguide；The electric heating system includes 10-40 electricity
Heating element (34), the output power of each electrical heating elements (34) are 2-5KW.
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109534668A (en) * | 2019-01-17 | 2019-03-29 | 内蒙古科技大学 | A kind of device and method that microwave-electricity Hybrid Heating realizes glass ceramics crystallization |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109534668A (en) * | 2019-01-17 | 2019-03-29 | 内蒙古科技大学 | A kind of device and method that microwave-electricity Hybrid Heating realizes glass ceramics crystallization |
| CN109534668B (en) * | 2019-01-17 | 2023-12-19 | 内蒙古科技大学 | Device and method for realizing crystallization of glass ceramic by microwave-electric hybrid heating |
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