CN106211405A - 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 PDF

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Publication number
CN106211405A
CN106211405A CN201610532319.8A CN201610532319A CN106211405A CN 106211405 A CN106211405 A CN 106211405A CN 201610532319 A CN201610532319 A CN 201610532319A CN 106211405 A CN106211405 A CN 106211405A
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energy regenerative
microwave
regenerative mouth
energy
mouth
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CN106211405B (en
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贺文智
赵敏
赵辰
李光明
朱昊辰
黄菊文
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Tongji University
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Tongji University
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/6402Aspects relating to the microwave cavity
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2206/00Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
    • H05B2206/04Heating using microwaves

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Constitution Of High-Frequency Heating (AREA)

Abstract

The present invention relates to a kind of tunnel type band revolute function multi-die microwave resonant chamber, this microwave cavity is made up of hollow six prisms, utilize 4 microwave energy-feeding mouth positions of high-frequency structure simulation software HFSS simulator locating, 4 amount to 4KW microwave tube feed-in microwave energy the most from different directions, simulate through electromagnetic wave energy regenerative, improve this microwave cavity Energy distribution, in resonator cavity, microwave energy focus point significantly reduces, this resonator cavity middle part is designed with Pipe installing position simultaneously, low microwave absorbing material such as pottery can be assembled, the pipeline that glass is made, the pipeline installed can rotate under the drive of slewing equipment, material in pipe is made to accept microwave exposure more uniform.At field of Environment Protection, it is adaptable to process agriculture forestry waste, scrap rubber, waste plastics, waste printed circuit board etc., can carry out being interrupted batch processed, fluidization operation can also be realized with the combination of other transport process equipment, simple in construction, has higher actual application value, beneficially industrialization promotion.

Description

A kind of tunnel type band revolute function multi-die microwave resonant chamber
Technical field
The present invention relates to a kind of tunnel type band revolute function multi-die microwave resonant chamber.
Background technology
Microwave is the frequency electromagnetic wave at 300MHz-300GHz, wave-length coverage 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 dither in microwave field, produce " internal friction heat " and make microwave Energy passes to molecule or atom with the form of heat, thus raises whole temperature of charge, is not necessary to any heat transfer process, with regard to energy Making material inside and outside heat simultaneously and heat up, firing rate is fast, it is only necessary to and the part of traditional heating mode energy consumption or tens/ Once can reach equal heat levels, so microwave heating equipment belongs to energy-conserving and environment-protective series products, material is produced in microwave field Raw amount of heat has much relations with substance classes and dielectric property thereof, and polar substances dielectric loss is high, in the unit interval Heating rate apolar substance to be far above in microwave field.Microwave cavity is to realize the sky that microwave interacts with material Between, single mold microwave resonator cavity, multi-die microwave resonant chamber, multi-die microwave resonant chamber simple in construction can be divided into, loss is few.Domestic microwave Stove is exactly a kind of typical multi-die microwave resonant chamber, be by certain thickness iron plate or corrosion resistant plate through bending, spot welding formed 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 or converted by household microwave oven, its microwave exposure uniformity aspect is the most excellent.
Summary of the invention
It is an object of the invention to overcome the tradition cube shortcoming that case structure microwave cavity uniformity of radiation is bad, carry Go out a kind of tunnel type band revolute function multi-die microwave resonant chamber, have more reflection than traditional cuboid box type micro-wave resonator cavity Face, utilizes 4 microwave energy-feeding mouth positions of high-frequency structure simulation software HFSS simulator locating, 4 amount to 4KW microwave tube respectively from Different directions feed-in microwave energy, simulates through electromagnetic wave energy regenerative, improves this microwave cavity Energy distribution, microwave in resonator cavity Can significantly reduce by focus point (focus), this resonator cavity middle part is designed with Pipe installing position simultaneously, can assemble low microwave and inhale Receiving the pipeline that material is made such as pottery, glass, the pipeline installed can rotate under the drive of slewing equipment, make material in pipe Accept microwave exposure more uniform.
A kind of tunnel type band revolute function multi-die microwave resonant chamber that the present invention proposes, revolving structure, energy regenerative part and micro- Ripple leakage protection, thermometric and gas enter heat-extraction system and six rib main cavities 16 form, wherein:
The internal two ends of six rib main cavities 16 are sealed by hexagonal end cap 9, and its surface is provided with waveguide 10 and infrared temperature probe 11, described Waveguide 10 is used for placing microwave tube, and described infrared temperature probe 11 is used for measuring earthenware 12 surface temperature;Six rib main cavities 16 Six faces of inwall are six reflectings surface;
Revolving structure is by bearing 1, buncher 2, sprocket wheel 3, left earthenware outer sleeve 4, bearing block 6, right earthenware outer sleeve 13 Forming with earthenware 12, earthenware 12 two ends pass hexagonal end cap 9 and six rib main cavities 16, and the two ends of earthenware 12 are respectively sleeved in In left earthenware outer sleeve 4 and right earthenware outer sleeve 13, left earthenware outer sleeve 4 and right earthenware outer sleeve 13 respectively with phase The bearing 1 answered coordinates, and bearing 1 is installed in bearing block 6, and left earthenware outer sleeve 4 coordinates with sprocket wheel 3, sprocket wheel 3 and buncher 2 are connected, and complete earthenware 12 rotational action;By hexagonal method between the outside and corresponding bearing block 6 in six rib main cavity 16 two ends Blue 7 fixing connections;
Energy regenerative part is made up of first energy regenerative mouth the 17, second energy regenerative mouth the 18, the 3rd energy regenerative mouth 19 and the 4th energy regenerative mouth 20, and described The position of one energy regenerative mouth the 17, second energy regenerative mouth the 18, the 3rd energy regenerative mouth 19 and the 4th energy regenerative mouth 20 is by high-frequency structure simulation software HFSS module software is calculated, according to the first energy regenerative mouth the 17, second energy regenerative mouth the 18, the 3rd energy regenerative mouth 19 and the 4th feedback obtained The data of energy mouth 20, arrange corresponding microwave tube placement location;
Microwave leakage protection, thermometric and gas enter heat-extraction system and include travel switch 8, air distribution plate 15, air inlet pipe 5 and exhaustor 14, Described travel switch 8 is fixed on six rib main cavity 16 outer surfaces, and described travel switch 8 is used for monitoring hexagonal flange 7, left earthenware Outer sleeve 4 connects air inlet pipe 5, and right earthenware outer sleeve 13 connects exhaustor 14 by air distribution plate 15.
In the present invention, between sprocket wheel 3 and buncher 2, use any one in chain drive or meshed transmission gear etc..
In the present invention, described hexagonal flange 7 uses hexagonal circle or hexagon flange etc. to replace.
In the present invention, the long short side direction of opening of described first energy regenerative mouth the 17, second energy regenerative mouth the 18, the 4th energy regenerative mouth 20 with Six rib main cavity 16 half expanded view (Fig. 2) long minor faces are parallel, the 3rd energy regenerative mouth 19 and the long short side direction of opening and six rib main cavities 16 half expanded views (Fig. 2) long minor face is vertical.
In the present invention, when six reflectings surface of six rib main cavities (16) are all launched, when being in same plane, described One energy regenerative mouth 17 and the second energy regenerative mouth 18 long limit distance between center line are 90-100mm, the second energy regenerative mouth 18 long limit centrage and the 3rd Energy regenerative mouth 19 minor face distance between center line is 145-155mm, in the 4th energy regenerative mouth 20 long limit centrage and the 3rd energy regenerative mouth 19 minor face Heart linear distance is 85-95mm, and the first energy regenerative mouth 17 and the 4th energy regenerative mouth 20 long limit distance between center line are 150-160mm.
In the present invention, left earthenware outer sleeve 4, right earthenware outer sleeve 13, hexagonal end cap 9, hexagonal flange 7, six rib masters Cavity 16, waveguide 10, air inlet pipe 5, exhaustor 14 and air distribution plate 15 use rustless steel to make.
The beneficial effects of the present invention is: the present invention is that microwave exposure uniformity is preferable in six rib main cavities 16, and microwave gathers Burnt focus is few, and microwave energy distribution is the most uniform.Two groups of hexagonal flanges 7 with bolt connects are by 4 travel switches 8 Monitor it and coordinate precision.Air distribution plate 15, left and right earthenware outer sleeve, flange closely cooperate with turnover trachea and flange, energy Within the scope of enough making microwave from leakage amount drop to country's microwave safe amount of leakage,
Main starting point of the present invention is to improve microwave exposure uniformity and be easily achieved fluidization operation.First, microwave is increased humorous Shake cavity reflection face, devises hexagon multi-die microwave resonant chamber agent structure, more than tradition cuboid case structure two anti- Penetrating face, add microwave reflection number of times, next takes the scheme of multiple microwave tube energy regenerative from different directions, utilizes high-frequency structure to imitate True software HFSS board design also optimizes energy regenerative mouth position, makes resonant microwave disperse evenly, is not easily formed microwave and focuses on focus, Finally, it is designed to the device making material rotate in resonator cavity, makes material accept relatively uniform microwave energy as far as possible.By this The microwave equipment that multi-die microwave resonant chamber is made, can carry out the work such as high temperature microwave pyrolysis, carbonization, new material synthesis, at ring Guarantor field, it is adaptable to process agricultural solid waste, scrap rubber, waste plastics, waste printed circuit board etc., it is possible to meet each apoplexy due to endogenous wind low-temperature microwave The demand of chemical reaction.
Accompanying drawing explanation
Fig. 1 is the structural diagrams of the present invention.
Fig. 2 is energy regenerative mouth of the present invention diagram, six rib main cavity 16 half expanded views.
Fig. 3 is multi-die microwave resonant chamber microwave energy scattergram of the present invention.
Fig. 4 is earthenware wall microwave energy scattergram in the middle part of multi-die microwave resonant chamber of the present invention.
Label in figure: 1 is bearing, 2 is buncher, and 3 is sprocket wheel, and 4 is left earthenware outer sleeve, and 5 is air inlet pipe, and 6 are Bearing block, 7 is hexagonal flange, and 8 is travel switch, and 9 is hexagonal end cap, and 10 is waveguide, and 11 is infrared temperature probe, and 12 is pottery Pipe, 13 is right earthenware outer sleeve, and 14 is exhaustor, and 15 is air distribution plate, and 16 is six rib main cavities, and 17 is the first energy regenerative mouth, 18 Being the second energy regenerative mouth, 19 is the 3rd energy regenerative mouth, and 20 is the 4th energy regenerative mouth.
Detailed description of the invention
Combine accompanying drawing below by embodiment and further illustrate the present invention.
Embodiment 1: as it is shown in figure 1, outside six rib main cavity 16 two ends be by two groups be bolted together amount to 4 Hexagonal flange 7 is fixed, and hexagonal flange is installed fitted seal degree and monitored by 4 travel switches 8, and six rib main cavities 16 are internal left Right two ends are sealed by two hexagonal end caps 9.Outside 4 waveguides 10 installed can install the microwave tube of 4 1KW, and infrared measurement of temperature is visited 11 monitoring earthenware 12 surface temperatures, hexagonal flange 7 is fixed by 6 bolts with bearing block 6, is installed bearing in bearing block 1, bearing 1 coordinates with left earthenware outer sleeve 4, right earthenware outer sleeve 13, left earthenware outer sleeve 4, right earthenware outer sleeve 13 respectively by round flange and air inlet pipe 5, and exhaustor 14 is connected, and internal matches with earthenware 12, at earthenware outer sleeve 13 and There is air distribution plate 15 between exhaustor 14, there is gas distribution and prevent the function of microwave leakage.Left earthenware outer sleeve 4 is outer joins with sprocket wheel 3 Closing, sprocket wheel 3 is connected by driving-chain with buncher, completes rotating function.
As in figure 2 it is shown, six rib main cavity 16 first half microwave energy-feeding mouth expanded views, totally four energy regenerative mouths, the first energy regenerative mouth 17, the second energy regenerative mouth the 18, the 3rd energy regenerative mouth 19 and the 4th energy regenerative mouth 20, described first energy regenerative mouth the 17, second energy regenerative mouth the 18, the 3rd The position of energy regenerative mouth 19 and the 4th energy regenerative mouth 20 is calculated by the HFSS software simulation of high-frequency structure simulation software, the first energy regenerative mouth 17, the second energy regenerative mouth the 18, the 4th energy regenerative mouth 20 opening direction is consistent, and its long short side direction and six rib main cavity 16 first halves launch Scheming long minor face to be parallel to each other, each energy regenerative mouth spacing is as in figure 2 it is shown, on the 3rd energy regenerative mouth 19 opening direction and six rib main cavities 16 The half long minor face of expanded view is mutually perpendicular to, with other energy regenerative mouth spacing as in figure 2 it is shown, the first energy regenerative mouth 17 and the second energy regenerative mouth 18 long limit centre-to-centre spacing are 95mm, the second long limit of energy regenerative mouth 18 and the 3rd energy regenerative mouth 19 minor face centre-to-centre spacing 151mm, the 4th energy regenerative mouth 20 Long limit and the 3rd energy regenerative mouth 19 minor face centre-to-centre spacing 89mm, the 4th energy regenerative mouth 20 and the first energy regenerative mouth 17 long limit centre-to-centre spacing are 157mm.
As it is shown on figure 3, multi-die microwave resonant chamber bottom wall microwave energy scattergram, middle canescence part is microwave energy The region that amount distribution is most, bright gray parts is the relatively small number of region of Energy distribution, and Dark grey part is that Energy distribution is minimum Region, it can be seen that most microwave energy is distributed in the central region of each reflective wall, high-energy and low-yield Transitional region ratio is shallower, and without too much concentration, overheated and undercooling point, totally can show that Energy distribution is relatively uniform.
As shown in Figure 4, earthenware wall microwave energy scattergram in the middle part of multi-die microwave resonant chamber, middle canescence part is The region that microwave energy distribution is most, bright gray parts is the relatively small number of region of Energy distribution, and Dark grey part is that energy divides The region that cloth is minimum, it can be seen that Dark grey and the distribution of canescence part are considerably less, most regions belong to light grey, High-energy and low energy area belong to and seamlessly transit, and without too much concentration, overheated and undercooling point, totally can draw Energy distribution phase To uniformly, it is possible in making earthenware, material accepts relatively uniform microwave exposure.
The work process of the present invention is as follows:
Earthenware 12 enters six rib main cavities 16 through bearing 1, hexagonal end cap 9, left ceramic coat cylinder 4 and right ceramic coat cylinder 13 In, in earthenware 12, put into the material of certain mass, set the operating temperature of infrared radiation thermometer 11, buncher 2 rotating speed With radiate six rib main cavities 16 through waveguide 10 in microwave input power, fix left ceramic coat cylinder 4 and right ceramic coat Cylinder 13, with bolt fastening hexagonal flange 7 and bearing block 6, ensures that travel switch 8 is in closure state, accesses carrier gas pipe simultaneously Air inlet pipe 5, has concurrently set charge flow rate, starts buncher 2, it is ensured that sprocket wheel 3 can smooth rotation, start to microwave operational State, the material in heating ceramic pipe 12, the volatilization gas of generation under the drive of carrier gas through air distribution plate 15 and exhaustor 14 row Go out.

Claims (5)

1. a 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 enter heat-extraction system and six rib main cavities (16) composition, wherein:
Six rib main cavities (16) are horizontally disposed, and its internal two ends are sealed by hexagonal end cap (9), and its surface is provided with waveguide (10) and red Outer temperature probe (11), described waveguide (10) is used for placing microwave tube, and described infrared temperature probe (11) is used for measuring earthenware (12) surface temperature;Six sides of six rib main cavity (16) inwalls are six reflectings surface;
Revolving structure is by bearing (1), buncher (2), sprocket wheel (3), left earthenware outer sleeve (4), bearing block (6), right pottery Pipe outer sleeve (13) and earthenware (12) composition, earthenware (12) two ends pass hexagonal end cap (9) and six rib main cavities (16), pottery The two ends of porcelain tube (12) are respectively sleeved in left earthenware outer sleeve (4) and right earthenware outer sleeve (13), left earthenware outer sleeve (4) coordinating with corresponding bearing (1) respectively with right earthenware outer sleeve (13), bearing (1) is installed in bearing block (6), Zuo Tao Porcelain tube outer sleeve (4) coordinates with sprocket wheel (3), and sprocket wheel (3) is connected with buncher (2), completes earthenware (12) rotational action;Six Connect by hexagonal flange (7) is fixing between the outside and corresponding bearing block (6) in rib main cavity (16) two ends;
Energy regenerative part is by the first energy regenerative mouth (17), the second energy regenerative mouth (18), the 3rd energy regenerative mouth (19) and the 4th energy regenerative mouth (20) group Becoming, described first energy regenerative mouth (17), the second energy regenerative mouth (18), the 3rd energy regenerative mouth (19) and the 4th energy regenerative mouth (20) are corresponding corresponding Microwave tube, described first energy regenerative mouth (17), the second energy regenerative mouth (18), the 3rd energy regenerative mouth (19) and the position of the 4th energy regenerative mouth (20) It is calculated by high-frequency structure simulation software, according to the first energy regenerative mouth (17) obtained, the second energy regenerative mouth (18), the 3rd energy regenerative mouth And the data of the 4th energy regenerative mouth (20) (19), corresponding microwave tube placement location is set, 4 microwave tubes the most from different directions to Earthenware feed-in microwave energy;
Microwave leakage protection, thermometric and gas enter heat-extraction system and include travel switch (8), air distribution plate (15), air inlet pipe (5) and aerofluxus Pipe (14), described travel switch (8) is fixed on six rib main cavity (16) outer surfaces, and described travel switch (8) is used for monitoring hexagonal Flange (7), left earthenware outer sleeve (4) connects air inlet pipe (5), and right earthenware outer sleeve (13) connects row by air distribution plate (15) Trachea (14).
Tunnel type band revolute function multi-die microwave resonant chamber the most according to claim 1, it is characterised in that: described sprocket wheel (3) and Any one in chain drive or meshed transmission gear is used between buncher (2).
Tunnel type band revolute function multi-die microwave resonant chamber the most according to claim 1, it is characterised in that: described hexagonal flange (7) use hexagonal circular or hexagonal square flange replaces.
Tunnel type band revolute function multi-die microwave resonant chamber the most according to claim 1, it is characterised in that: described first energy regenerative mouth (17), the corresponding reflecting surface of the second energy regenerative mouth (18), the long short side direction of opening of the 4th energy regenerative mouth (20) and six rib main cavities (16) On long short side direction consistent, the corresponding reflecting surface of the long short side direction of opening of the 3rd energy regenerative mouth (19) and six rib main cavities (16) On long short side direction vertical.
Tunnel type band revolute function multi-die microwave resonant chamber the most according to claim 1, it is characterised in that: when by six rib main cavities (16) six reflectings surface all launch, and when being in same plane, described first energy regenerative mouth (17) is long with the second energy regenerative mouth (18) Limit distance between center line is 90-100mm, the second energy regenerative mouth (18) long limit centrage and the 3rd energy regenerative mouth (19) minor face distance between center line For 145-155mm, the 4th energy regenerative mouth (20) long limit centrage and the 3rd energy regenerative mouth (19) minor face distance between center line are 85-95mm, First energy regenerative mouth (17) and the 4th energy regenerative mouth (20) long limit distance between center line are 150-160mm.
CN201610532319.8A 2016-07-08 2016-07-08 A kind of tunnel type band revolute function multi-die microwave resonant chamber Expired - Fee Related CN106211405B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111698807A (en) * 2019-03-13 2020-09-22 株洲弗拉德科技有限公司 Tunnel type boat-free continuous microwave heating equipment and heating method
CN115639222A (en) * 2022-12-22 2023-01-24 河北科技大学 Method and device for evaluating organic pollutants through variable-frequency microwave and UV (ultraviolet) co-treatment

Citations (3)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111698807A (en) * 2019-03-13 2020-09-22 株洲弗拉德科技有限公司 Tunnel type boat-free continuous microwave heating equipment and heating method
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
CN115639222A (en) * 2022-12-22 2023-01-24 河北科技大学 Method and device for evaluating organic pollutants through variable-frequency microwave and UV (ultraviolet) co-treatment
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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