CN106211405B - A kind of tunnel type band revolute function multi-die microwave resonant chamber - Google Patents
A kind of tunnel type band revolute function multi-die microwave resonant chamber Download PDFInfo
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- CN106211405B CN106211405B CN201610532319.8A CN201610532319A CN106211405B CN 106211405 B CN106211405 B CN 106211405B CN 201610532319 A CN201610532319 A CN 201610532319A CN 106211405 B CN106211405 B CN 106211405B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/6402—Aspects relating to the microwave cavity
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2206/00—Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
- H05B2206/04—Heating using microwaves
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Abstract
The present invention relates to a kind of tunnel type band revolute function multi-die microwave resonant chambers, the microwave cavity is made of hollow hexagonal prisms, utilize 4 microwave energy-feeding mouth positions of high-frequency structure simulation software HFSS simulator locating, 4 total 4KW microwave tubes distinguish feed-in microwave energy from different directions, it is simulated by electromagnetic wave energy regenerative, improve the microwave cavity Energy distribution, microwave energy focus point significantly reduces in resonant cavity, position design has Pipe installing position among the resonant cavity simultaneously, low microwave absorbing material such as ceramics can be assembled, pipeline made of glass, the pipeline installed can rotate under the drive of slewing equipment, material is set in pipe to receive microwave irradiation more uniform.In environment protection field, it is suitable for processing agriculture forestry waste, scrap rubber, waste plastics, waste printed circuit board etc., interruption batch processed can be carried out, it can also be combined with other transport process equipment and realize fluidization operation, structure is simple, and practical application value with higher is conducive to industrialization promotion.
Description
Technical field
The present invention relates to a kind of tunnel type band revolute function multi-die microwave resonant chambers.
Background technique
Microwave is electromagnetic wave of the frequency in 300MHz-300GHz, and wave-length coverage is between 0.1cm-100cm, international regulations,
Civilian more frequency has 915MHz, 2450MHz, and the power of China's household microwave oven is 2450MHz.Microwave is by acting on pole
Property molecular substance, material-to-be-heated interior molecules or atom do high-frequency vibration in microwave field, and generating " interior frictional heat " makes microwave
Energy passes to molecule or atom in the form of heat, to increase entire temperature of charge, is not necessary to any heat transfer process, energy
Make material inside and outside while heating and heating, heating speed is fast, it is only necessary to the part of traditional heating mode energy consumption or tens/
Once can reach same heat levels, so microwave heating equipment belongs to energy conservation and environmental protection class product, substance is produced in microwave field
Raw amount of heat and substance classes and its dielectric property have much relations, and polar substances dielectric loss is high, in the unit time
Heating rate in microwave field will be much higher than apolar substance.Microwave cavity is to realize the sky of microwave and material interaction
Between, single mold microwave resonant cavity, multi-die microwave resonant chamber can be divided into, multi-die microwave resonant chamber structure is simple, and loss is few.Domestic microwave
Furnace is exactly a kind of typical multi-die microwave resonant chamber, be formed by certain thickness iron plate or stainless steel plate through bending, spot welding it is close
Close spatial metal structure, six reflectings surface, a microwave energy feed-in mouth.Industry and use for laboratory majority microwave equipment are cuboids
Case structure is converted by household microwave oven, still not excellent enough in terms of microwave irradiation uniformity.
Summary of the invention
It is an object of the invention to overcome traditional cube bad disadvantage of case structure microwave cavity uniformity of radiation, mention
A kind of tunnel type band revolute function multi-die microwave resonant chamber out, has more reflections than traditional cuboid box type micro-wave resonant cavity
Face, using 4 microwave energy-feeding mouth positions of high-frequency structure simulation software HFSS simulator locating, 4 total 4KW microwave tubes respectively from
Different directions feed-in microwave energy simulates by electromagnetic wave energy regenerative, improves the microwave cavity Energy distribution, microwave in resonant cavity
Energy focus point (hot spot) significantly reduces, while position design has Pipe installing position among the resonant cavity, can assemble humble wave and inhale
Material pipeline as made of ceramics, glass is received, the pipeline installed can rotate under the drive of slewing equipment, make material in pipe
It is more uniform to receive microwave irradiation.
A kind of tunnel type band revolute function multi-die microwave resonant chamber proposed by the present invention, revolving structure, energy regenerative part and micro-
Wave leakage protection, thermometric and gas are formed into heat-extraction system and six rib main cavities 16, in which:
Six rib main cavities, 16 inside both ends are sealed by hexagonal end cap 9, and surface is equipped with waveguide 10 and infrared temperature probe 11,
The waveguide 10 is for placing microwave tube, and the infrared temperature probe 11 is for measuring 12 surface temperature of ceramic tube；Six rib main chambers
Six faces of 16 inner wall of body are six reflectings surface；
Revolving structure is by bearing 1, speed regulating motor 2, sprocket wheel 3, left ceramic tube outer sleeve 4, bearing block 6, right ceramic tube housing
Cylinder 13 and ceramic tube 12 form, and 12 both ends of ceramic tube pass through hexagonal end cap 9 and six rib main cavities 16, and the both ends of ceramic tube 12 are distinguished
It is placed in left ceramic tube outer sleeve 4 and right ceramic tube outer sleeve 13, left ceramic tube outer sleeve 4 and right ceramic tube outer sleeve 13 difference
Cooperate with corresponding bearing 1, bearing 1 is installed in bearing block 6, and left ceramic tube outer sleeve 4 cooperates with sprocket wheel 3, sprocket wheel 3 and speed regulation
Motor 2 is connected, and completes 12 rotational action of ceramic tube；Pass through six between corresponding bearing block 6 outside six rib main cavities, 16 both ends
Angle flange 7 is fixedly connected；
Energy regenerative part is made of the first energy regenerative mouth 17, the second energy regenerative mouth 18, third energy regenerative mouth 19 and the 4th energy regenerative mouth 20, institute
State the first energy regenerative mouth 17, the second energy regenerative mouth 18, third energy regenerative mouth 19 and the 4th energy regenerative mouth 20 position emulated by high-frequency structure it is soft
Part HFSS module software is calculated, according to obtained the first energy regenerative mouth 17, the second energy regenerative mouth 18, third energy regenerative mouth 19 and the 4th
Corresponding microwave tube placement location is arranged in the data of energy regenerative mouth 20；
Microwave leakage protection, thermometric and gas into heat-extraction system include travel switch 8, air distribution plate 15, air inlet pipe 5 and exhaust pipe
14, the travel switch 8 is fixed on six rib main cavities, 16 outer surface, and the travel switch 8 is for monitoring hexagonal flange 7, Zuo Tao
Porcelain tube outer sleeve 4 connects air inlet pipe 5, and right ceramic tube outer sleeve 13 connects exhaust pipe 14 by air distribution plate 15.
In the present invention, using any in chain drive or gear engaged transmission etc. between sprocket wheel 3 and speed regulating motor 2.
In the present invention, the hexagonal flange 7 is replaced using hexagonal circle or hexagon flange etc..
In the present invention, the first energy regenerative mouth 17, the second energy regenerative mouth 18, the 4th energy regenerative mouth 20 the long short side direction of opening with
Six rib main cavities, 16 half expanded view (Fig. 2) long short side is parallel, third energy regenerative mouth 19 and be open long short side direction and six rib main cavities
16 half expanded views (Fig. 2) long short side is vertical.
In the present invention, when six reflectings surface of six rib main cavities (16) are all unfolded, when being in same plane, described the
One energy regenerative mouth 17 and 18 long side center line distance of the second energy regenerative mouth are 90-100mm, 18 long side center line of the second energy regenerative mouth and third
19 short side center line distance of energy regenerative mouth is 145-155mm, in 20 long side center line of the 4th energy regenerative mouth and 19 short side of third energy regenerative mouth
Heart linear distance is 85-95mm, and the first energy regenerative mouth 17 and 20 long side center line distance of the 4th energy regenerative mouth are 150-160mm.
In the present invention, left ceramic tube outer sleeve 4, right ceramic tube outer sleeve 13, hexagonal end cap 9, hexagonal flange 7, six rib masters
Cavity 16, waveguide 10, air inlet pipe 5, exhaust pipe 14 and air distribution plate 15 are made of stainless steel.
The beneficial effects of the present invention are: the present invention is that microwave irradiation uniformity is preferable in six rib main cavities 16, and microwave is poly-
Burnt hot spot is few, and microwave energy distribution is relatively uniform.Two groups of hexagonal flanges 7 with being bolted are by 4 travel switches 8
It monitors it and cooperates precision.Air distribution plate 15, left and right ceramic tube outer sleeve, flange and disengaging tracheae and flange are fitted close, energy
Drop to microwave from leakage amount within the scope of national microwave safe amount of leakage,
Main starting point of the present invention is to improve microwave irradiation uniformity and be easily achieved fluidization operation.Firstly, increasing micro-
Wave resonance cavity reflection face devises hexagon multi-die microwave resonant chamber main structure, two more than traditional cuboid case structure
A reflecting surface increases microwave reflection number, next takes the scheme of multiple microwave tubes energy regenerative from different directions, utilizes high frequency knot
The HFSS board design of structure simulation software simultaneously optimizes energy regenerative mouth position, makes resonant microwave dispersion more evenly, is not easy to form microwave focusing
Hot spot, finally, the device that design can be such that material rotates in resonant cavity, makes material receive relatively uniform microwave energy as far as possible
Amount.The microwave equipment made of the multi-die microwave resonant chamber can carry out the works such as high temperature microwave pyrolysis, charing, new material synthesis
Make, in environment protection field, is suitable for processing agricultural solid waste, scrap rubber, waste plastics, waste printed circuit board etc., can also meet in all kinds of
The demand of low-temperature microwave chemical reaction.
Detailed description of the invention
Fig. 1 is structural diagrams of the invention.
Fig. 2 is energy regenerative mouth of the present invention diagram, six rib main cavities, 16 half expanded view.
Fig. 3 is multi-die microwave resonant chamber microwave energy distribution map of the present invention.
Fig. 4 is ceramic tube wall surface microwave energy distribution map in the middle part of multi-die microwave resonant chamber of the present invention.
Figure label: 1 is bearing, and 2 be speed regulating motor, and 3 be sprocket wheel, and 4 be left ceramic tube outer sleeve, and 5 be air inlet pipe, and 6 are
Bearing block, 7 be hexagonal flange, and 8 be travel switch, and 9 be hexagonal end cap, and 10 be waveguide, and 11 be infrared temperature probe, and 12 be ceramics
Pipe, 13 be right ceramic tube outer sleeve, and 14 be exhaust pipe, and 15 be air distribution plate, and 16 be six rib main cavities, and 17 be the first energy regenerative mouth, 18
It is third energy regenerative mouth for the second energy regenerative mouth, 19,20 be the 4th energy regenerative mouth.
Specific embodiment
The present invention is further illustrated below by embodiment combination attached drawing.
Embodiment 1: as shown in Figure 1, be outside six rib main cavities, 16 both ends by two groups be bolted together total 4
Hexagonal flange 7 is fixed, and hexagonal flange installation cooperation seal degree is monitored by 4 travel switches 8, and six rib main cavities, 16 inside is left
Right both ends are sealed by two hexagonal end caps 9.The microwave tube of 4 waveguides, 10 mountable 4 1KW of outside installation, infrared measurement of temperature are visited
First 11 monitoring, 12 surface temperature of ceramic tube, hexagonal flange 7 are fixed with bearing block 6 by 6 bolts, and bearing is installed in bearing block
1, bearing 1 and left ceramic tube outer sleeve 4, right ceramic tube outer sleeve 13 cooperate, left ceramic tube outer sleeve 4, right ceramic tube outer sleeve
13 respectively by round flange and air inlet pipe 5, and exhaust pipe 14 is connected, and inside is matched with ceramic tube 12, in ceramic tube outer sleeve 13 and
There is air distribution plate 15 between exhaust pipe 14, have the function of gas distribution and prevents microwave leakage.Left ceramic tube outer sleeve 4 is outer to match with sprocket wheel 3
It closes, sprocket wheel 3 is connected with speed regulating motor by transmission chain, completes rotating function.
As shown in Fig. 2, six rib main cavities, 16 upper half microwave energy-feeding mouth expanded view, totally four energy regenerative mouths, the first energy regenerative mouth
17, the second energy regenerative mouth 18, third energy regenerative mouth 19 and the 4th energy regenerative mouth 20, the first energy regenerative mouth 17, the second energy regenerative mouth 18, third
The position of energy regenerative mouth 19 and the 4th energy regenerative mouth 20 is calculated by the simulation of high-frequency structure simulation software HFSS software, the first energy regenerative mouth
17, the second energy regenerative mouth 18,20 opening direction of the 4th energy regenerative mouth are consistent, and long short side direction and six rib main cavities, 16 upper half are unfolded
Scheme long short side to be parallel to each other, distance between each energy regenerative mouth is as shown in Fig. 2, on 19 opening direction of third energy regenerative mouth and six rib main cavities 16
The long short side of half portion expanded view is mutually perpendicular to, and the distance between other energy regenerative mouths is as shown in Fig. 2, the first energy regenerative mouth 17 and the second energy regenerative mouth
18 long side centers are away from for 95mm, and 18 long side of the second energy regenerative mouth and 19 short side center of third energy regenerative mouth are away from 151mm, the 4th energy regenerative mouth 20
Long side and 19 short side center of third energy regenerative mouth are away from 89mm, the 4th energy regenerative mouth 20 and 17 long side center of the first energy regenerative mouth away from for 157mm.
As shown in figure 3, multi-die microwave resonant chamber bottom wall microwave energy distribution map, intermediate greyish white color part is microwave energy
Amount is distributed most regions, and bright gray parts are the relatively small number of region of Energy distribution, and dark gray section is that Energy distribution is minimum
Region, it can be seen from the figure that most microwave energy is distributed in the central region of each reflective wall, high-energy and low energy
For transitional region than more gentle, no excessive concentration overheat and undercooling point can totally show that Energy distribution is relatively uniform.
As shown in figure 4, ceramic tube wall surface microwave energy distribution map in the middle part of multi-die microwave resonant chamber, intermediate greyish white color part are
Microwave energy is distributed most regions, and bright gray parts are the relatively small number of region of Energy distribution, and dark gray section is energy point
The least region of cloth, it can be seen from the figure that Dark grey and the distribution of greyish white color part are considerably less, most regions belong to light gray,
High-energy and low energy area belong to smooth transition, and no excessive concentration overheat and undercooling point can totally obtain Energy distribution phase
To uniform, material in ceramic tube can be made to receive relatively uniform microwave irradiation.
The course of work of the invention is as follows:
Ceramic tube 12 passes through bearing 1, hexagonal end cap 9, left ceramic coat cylinder 4 and right ceramic coat cylinder 13 and enters six rib main chambers
In body 16, it is put into the material of certain mass in ceramic tube 12, sets operating temperature, the speed regulating motor 2 of infrared radiation thermometer 11
Revolving speed and the microwave input power in six rib main cavities 16 is radiated through waveguide 10, fixes left ceramic coat cylinder 4 and right ceramics
Outer sleeve 13 with bolt fastening hexagonal flange 7 and bearing block 6, while guaranteeing that travel switch 8 is in closed state, by carrier gas pipe
Access air inlet pipe 5, concurrently set charge flow rate, start speed regulating motor 2, it is ensured that sprocket wheel 3 can smooth rotation, start to microwave
Working condition, the material in heating ceramic pipe 12, the volatilization gas of generation is under the drive of carrier gas through air distribution plate 15 and exhaust pipe
14 discharges.
Claims (4)
1. a kind of tunnel type band revolute function multi-die microwave resonant chamber, it is characterised in that: revolving structure, energy regenerative part and microwave are let out
Leakage protection, thermometric and gas are formed into heat-extraction system and six rib main cavities (16), in which:
Six rib main cavities (16) are horizontally disposed, and internal both ends are sealed by hexagonal end cap (9), and surface is equipped with waveguide (10) and red
Outer temperature probe (11), the waveguide (10) is for placing microwave tube, and the infrared temperature probe (11) is for measuring ceramic tube
(12) surface temperature；Six sides of six rib main cavity (16) inner walls and 2 hexagonal end caps (9) are eight reflectings surface；
Revolving structure is by bearing (1), speed regulating motor (2), sprocket wheel (3), left ceramic tube outer sleeve (4), bearing block (6), right ceramics
Pipe outer sleeve (13) and ceramic tube (12) composition, ceramic tube (12) both ends pass through hexagonal end cap (9) and six rib main cavities (16), pottery
The both ends of porcelain tube (12) are respectively sleeved in left ceramic tube outer sleeve (4) and right ceramic tube outer sleeve (13), left ceramic tube outer sleeve
(4) cooperate respectively with corresponding bearing (1) with right ceramic tube outer sleeve (13), bearing (1) is installed in bearing block (6), Zuo Tao
Porcelain tube outer sleeve (4) and sprocket wheel (3) cooperate, and sprocket wheel (3) is connected with speed regulating motor (2), complete ceramic tube (12) rotational action；Six
It is fixedly connected between corresponding bearing block (6) by hexagonal flange (7) outside rib main cavity (16) both ends；Energy regenerative part is by
One energy regenerative mouth (17), the second energy regenerative mouth (18), third energy regenerative mouth (19) and the 4th energy regenerative mouth (20) composition, the first energy regenerative mouth
(17), the corresponding corresponding microwave tube of the second energy regenerative mouth (18), third energy regenerative mouth (19) and the 4th energy regenerative mouth (20), first feedback
Can mouth (17), the second energy regenerative mouth (18), third energy regenerative mouth (19) and the 4th energy regenerative mouth (20) position emulated by high-frequency structure it is soft
Part is calculated, according to obtained the first energy regenerative mouth (17), the second energy regenerative mouth (18), third energy regenerative mouth (19) and the 4th energy regenerative mouth
(20) corresponding microwave tube placement location is arranged in data, and 4 microwave tubes are respectively from different directions to ceramic tube feed-in microwave
Energy；
Microwave leakage protection, thermometric and gas include travel switch (8), air distribution plate (15), air inlet pipe (5) into heat-extraction system and are vented
It manages (14), the travel switch (8) is fixed on six rib main cavity (16) outer surfaces, and the travel switch (8) is for monitoring hexagonal
Flange (7), left ceramic tube outer sleeve (4) connect air inlet pipe (5), and right ceramic tube outer sleeve (13) passes through air distribution plate (15) connection row
Tracheae (14).
2. tunnel type band revolute function multi-die microwave resonant chamber according to claim 1, it is characterised in that: the hexagonal flange
(7) it is replaced using hexagonal circle or hexagonal square flange.
3. tunnel type band revolute function multi-die microwave resonant chamber according to claim 1, it is characterised in that: the first energy regenerative mouth
(17), the long short side direction of the opening reflecting surface corresponding to six rib main cavity (16) of the second energy regenerative mouth (18), the 4th energy regenerative mouth (20)
On long short side direction it is consistent, the long short side direction of opening of third energy regenerative mouth (19) reflecting surface corresponding to six rib main cavity (16)
On long short side direction it is vertical.
4. tunnel type according to claim 1 band revolute function multi-die microwave resonant chamber, it is characterised in that: when by six rib main cavities
(16) six reflectings surface are all unfolded, and when being in same plane, the first energy regenerative mouth (17) and the second energy regenerative mouth (18) are long
Side center line distance is 90-100mm, the second energy regenerative mouth (18) long side center line and third energy regenerative mouth (19) short side center line distance
For 145-155mm, the 4th energy regenerative mouth (20) long side center line and third energy regenerative mouth (19) short side center line distance are 85-95mm,
First energy regenerative mouth (17) and the 4th energy regenerative mouth (20) long side center line distance are 150-160mm.
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| CN201610532319.8A CN106211405B (en) | 2016-07-08 | 2016-07-08 | A kind of tunnel type band revolute function multi-die microwave resonant chamber |
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| CN201610532319.8A CN106211405B (en) | 2016-07-08 | 2016-07-08 | A kind of tunnel type band revolute function multi-die microwave resonant chamber |
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| CN106211405A CN106211405A (en) | 2016-12-07 |
| CN106211405B true CN106211405B (en) | 2019-08-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111698807B (en) * | 2019-03-13 | 2022-07-05 | 株洲弗拉德科技有限公司 | Tunnel type boat-free continuous microwave heating equipment and heating method |
| CN115639222B (en) * | 2022-12-22 | 2023-03-31 | 河北科技大学 | Method and device for evaluating organic pollutants through frequency conversion microwave and UV (ultraviolet) co-processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201686500U (en) * | 2010-03-22 | 2010-12-29 | 昆明理工大学 | Microwave rotary kiln used for calcining chemical uranium concentrate |
| CN102326858A (en) * | 2011-05-26 | 2012-01-25 | 云南昆船瑞升烟草加工新技术有限责任公司 | Roller type tobacco stalk continuous microwave expansion device |
| CN103587130A (en) * | 2013-10-15 | 2014-02-19 | 南京航空航天大学 | Method and device for curing fiber-reinforced resin-based composite material component by utilizing microwaves |
-
2016
- 2016-07-08 CN CN201610532319.8A patent/CN106211405B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201686500U (en) * | 2010-03-22 | 2010-12-29 | 昆明理工大学 | Microwave rotary kiln used for calcining chemical uranium concentrate |
| CN102326858A (en) * | 2011-05-26 | 2012-01-25 | 云南昆船瑞升烟草加工新技术有限责任公司 | Roller type tobacco stalk continuous microwave expansion device |
| CN103587130A (en) * | 2013-10-15 | 2014-02-19 | 南京航空航天大学 | Method and device for curing fiber-reinforced resin-based composite material component by utilizing microwaves |
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