CN105970789B - A kind of microwave heating equipment dividing radiation integrated based on work( - Google Patents
A kind of microwave heating equipment dividing radiation integrated based on work( Download PDFInfo
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- CN105970789B CN105970789B CN201610382381.3A CN201610382381A CN105970789B CN 105970789 B CN105970789 B CN 105970789B CN 201610382381 A CN201610382381 A CN 201610382381A CN 105970789 B CN105970789 B CN 105970789B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/14—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces for heating or drying foundation, paving, or materials thereon, e.g. paint
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- Road Paving Machines (AREA)
Abstract
The invention discloses a kind of microwave heating equipments for dividing radiation integrated based on work(for heated asphalt road surface, including：Magnetron, metal cavity, coupling round platform and helical antenna；The base plate external of the metal cavity is provided with support leg；The magnetron is fixed on the center of the top plate of metal cavity, and antenna cap one end of magnetron puts in the metal cavity from the center of the metal cavity top plate, and the other end is connect with external power supply；The coupling round platform is fixed on the inner top panel of the metal cavity；One end of the helical antenna is connected with metal contact wires, the helical antenna is located at the outside of the bottom plate of the metal cavity, and it is connected with one end of metal contact wires and is stretched into inside the metal cavity by the through-hole on the metal cavity bottom plate, and be electrically connected at the center for coupling round platform.When the present invention is used for the heating of bituminous paving, it is remarkably improved the uniformity of microwave heating.
Description
Technical field
The present invention relates to field of electronic devices, more particularly to a kind of microwave heating equipment dividing radiation integrated based on work(,
For the heating to bituminous paving.
Background technology
So far, Chinese Highway is quickly grown reform and opening-up.Bituminous paving has comfortable, easy to maintain, geology of driving a vehicle because of it
The features such as condition is adaptable is widely used in highway in China construction.Microwave heating is uneven relative to infrared heating, easily makes
There is heating evenly for the features such as obtaining asphalt surface aging, losing power of regeneration, not it is easier that asphalt surface aging etc. is excellent
Point.
In the early 1970s, external have begun to try application of the microwave energy in Bituminous Pavement hot maintenance
Test research.Early in autumn in 1973, Canadian Bisisio et al. was begun in the repairing experiment of bituminous paving using micro-
Wave heating technology, they have looked for 20 feet one long, 0.5 inch wide, the crack of six inches in depth on pitch express highway pavement,
The microwave for being used in combination frequency to be 2450MHz repairs it, and the road surface of reparation have passed through the heavy friendship of a winter in Britain
Preferable performance is still kept after logical；Until nineteen ninety-five, many scientific research personnel carry out in magnetron, asphalt material etc. successively
Various optimizations are attempted.2005, Li Hongqun of Highway Administration Bureau of Foshan City et al. was using the microwave road maintaining vehicle of Witter company to national highway
It is repaired, and repairs disease area up to 350 square metres.
Currently, although more, generally existing microwave is studied in the repair for carrying out bituminous paving using microwave heating technique
Non-uniform defect is heated, does not there is good solution so far.
Invention content
For problems of the prior art, dividing radiation integrated based on work(the purpose of the present invention is to provide a kind of
Microwave heating equipment has the good microwave heating uniformity when heating recovery for bituminous paving recycles.
In order to achieve the above object, the present invention is achieved by the following scheme.
A kind of microwave heating equipment dividing radiation integrated based on work(is used for heated asphalt road surface, which is characterized in that packet
It includes：Magnetron, metal cavity, coupling round platform and helical antenna；The base plate external of the metal cavity is provided with support leg；It is described
Magnetron is fixed on the center of the top plate of metal cavity, and antenna cap one end of the magnetron is from the metal cavity top
The center of plate puts in the metal cavity, and the other end is connect with external power supply；The coupling round platform is fixed on the metal
On the inner top panel of cavity；One end of the helical antenna is connected with metal tie rods, and the helical antenna is located at the wire chamber
The outside of the bottom plate of body, and its be connected with one end of metal tie rods stretched by the through-hole on the metal cavity bottom plate it is described
Inside metal cavity, and with it is described coupling round platform center at be electrically connected.
It the features of the present invention and is further improved to：
The radius of the coupling round platform is 20~30mm.
The helical antenna is rectangle radial direction helical antenna, and line footpath is 1~2mm, and coil turn is 1~1.5, helix
The radius of pipe is 18~24mm, and screw pitch is 7~9mm.
The coupling round platform is multiple, and is arranged centered on the magnetron.
The distance of the coupling round platform between any two is 60~100mm.
The helical antenna, the number of through-hole are consistent with the coupling number of round platform respectively.
Each medial surface center position of the metal cavity is also vertically arranged with support cylinder, the support cylinder
It is connected with the top plate of the metal cavity and bottom plate, and equidistant with the magnetron.
The aperture of the through-hole is 11~12mm.
The radius of the support cylinder is 2~4mm.
The present invention's divides the realization principle of the microwave heating equipment of radiation integrated to be based on work(：External high voltage power supply is this
The magnetron of invention provides electric energy, converts electric energy to microwave energy by magnetron, and be emitted to inside metal cavity, couples
Round platform is for coupling the microwave energy received, and work(gives helical antenna, and last helical antenna is by the microwave of coupling
Energy radiation direction bituminous paving, that completes the present invention divides the microwave heating equipment of radiation integrated to add bituminous paving based on work(
Heat.
Compared with prior art, beneficial effects of the present invention are：
It when dividing the microwave heating equipment of radiation integrated to be used for the heating of bituminous paving based on work(of the present invention, can be by excess
The coupling energy of aggregation carries out a degree of separation so that swept area increases, and radiation is average, by increasing same heating zone
The mode of the effective heating field number in domain improves the uniformity of microwave heating.
In addition, due to the increase of the heating device swept area so that the magnetron that the present invention needs when in use
Quantity is reduced, and reduces application cost；Simultaneously as the quantity of magnetron is reduced, therefore magnetron and magnetic under equal area
The distance between keyholed back plate increases, to which heat-dissipating space becomes larger, so that the present invention is based on work(, and the microwave of radiation integrated to be divided to add
The working time of thermal is longer, and stability is more preferable.
Description of the drawings
The present invention will be further described with reference to the accompanying drawings and embodiments.
Fig. 1 is a kind of positive structure diagram of microwave heating equipment for dividing radiation integrated based on work(of the present invention；Figure
In：1, magnetron；101, antenna cap one end of magnetron；2, metal cavity；3, round platform is coupled；4, helical antenna；401, metal
Connecting rod；5, support leg；6, through-hole；7, cylinder is supported；
Fig. 2 is that a kind of of the present invention divides the microwave heating equipment of radiation integrated to pitch after asphalt test piece heating based on work(
The body loss density distribution map of surface of test piece, wherein volume loss den are body loss density, and 0,100,200 be schematic diagram
Scale, A be heating concentrated area；
Fig. 3 is the body loss density distribution map on asphalt test piece surface after electromagnetic horn heating device heats asphalt test piece,
Wherein, volume loss den are body loss density, and 0,100,200 be the scale of schematic diagram, and A is heating concentrated area；
Fig. 4 is that a kind of of the present invention divides the microwave heating equipment of radiation integrated to pitch after asphalt test piece heating based on work(
Body loss density distribution map inside test specimen, wherein volume loss den are body loss density, and 0,100,200 be schematic diagram
Scale, A be heating concentrated area；
Fig. 5 is the body loss density distribution map inside asphalt test piece after electromagnetic horn heating device heats asphalt test piece,
Wherein, volume loss den are body loss density, and 0,100,200 be the scale of schematic diagram, and A is heating concentrated area；
Fig. 6 is that a kind of of the present invention divides the microwave heating equipment of radiation integrated to pitch after asphalt test piece heating based on work(
The three dimension temperature solid distribution map of test specimen；
Fig. 7 is the three dimension temperature solid distribution map of asphalt test piece after electromagnetic horn heating device heats asphalt test piece.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with the attached drawing of the embodiment of the present invention, is shown
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
With reference to figure 1, the present embodiment provides a kind of microwave heating equipments dividing radiation integrated based on work(, are used for heated asphalt
Road surface, including：Magnetron 1, metal cavity 2, coupling round platform 3 and helical antenna 4；The base plate external of metal cavity 2 is provided with branch
Support leg 5；Magnetron 1 is fixed on the center of the top plate of metal cavity 2, and antenna cap one end 101 of magnetron is from wire chamber
The center of the top plate of body 2 is put in metal cavity 2, and the other end is connect with external high pressure power supply；Coupling round platform 3 passes through screw
It is fixed on the inner top panel of metal cavity 2, wherein the material for coupling round platform is metal；The end of helical antenna is connected with metal company
Extension bar 401, helical antenna 4 is located at the outside of the bottom plate of metal cavity 2, and it is connected with one end of metal tie rods 401 and passes through
Through-hole 6 on 2 bottom plate of metal cavity stretches into inside metal cavity 2, and with coupling round platform 3 center at be electrically connected, metal connect
The radius of bar 401 is less than the radius of through-hole 6, and metal tie rods 401 are not in contact with the hole wall of through-hole 6.
The present embodiment divides the microwave heating equipment of radiation integrated based on work(there are four couple round platform 3, and and magnetic control altogether
Pipe 1 is equidistant, and there are four helical antennas 4 altogether, and it is connected to by corresponding through-hole 6 at corresponding 3 center of coupling round platform respectively,
Meanwhile each medial surface center position of metal cavity 2 is also vertically arranged there are four cylinder 7 is supported, and supports cylinder 7 and gold
The top plate for belonging to cavity 2 is connected with bottom plate, and equidistant with magnetron 1.
The present embodiment divides the realization principle of the microwave heating equipment of radiation integrated to be based on work(：External high voltage power supply is this
The magnetron of invention provides electric energy, converts electric energy to microwave energy by magnetron, and be emitted to inside metal cavity, couples
Round platform is for coupling the microwave energy received, and work(gives helical antenna, and last helical antenna is by the microwave of coupling
Energy radiation direction bituminous paving, that completes the present invention divides the microwave heating equipment of radiation integrated to add bituminous paving based on work(
Heat.
Based on above-mentioned principle, the coupling round platform 3 in the present invention is used to couple the microwave energy received, therefore,
Its radius cannot be too small, otherwise couples round platform 3 and will be unable to effective coupling microwaves energy, the energy for causing helical antenna 4 to obtain
It is smaller, microwave energy cannot be effectively performed, so that the heating effect to bituminous paving is bad.In addition, branch is held round
The radius of cylinder 7 should not be too large, and otherwise will influence to couple coupling of the round platform 3 to microwave energy, can also influence standing-wave ratio.This hair
Through-hole 6 in bright has been mainly connection effect so that helical antenna 4 can be passed through and is connected on coupling round platform 3, separately
Outside, through-hole 6 also can effectively prevent the energy that helical antenna 4 is launched and be reflected back metal cavity 2, to prevent back wave to spiral shell
Revolve the injury of antenna 4.
Therefore, for the present embodiment by emulation, the radius for obtaining coupling round platform 3 in the present embodiment is 25mm, couples 3 liang of round platform
The distance between two be 80mm；Helical antenna 4 be rectangle radial direction helical antenna, line footpath 1.5mm, coil turn 1.32,
The radius of spiraltron is 21mm, screw pitch 8.2mm；The aperture of through-hole 6 is 11.5mm, and the radius of support cylinder 7 is 3mm.
The present embodiment is by the helical antenna in the microwave heating equipment for dividing radiation integrated based on work(for bituminous paving
Heating, to improve the inhomogeneities of bituminous surface microwave heating.Since the burden and characteristic of helical antenna are mainly determined by D/ λ
It is fixed, wherein D is the diameter of helical antenna, and λ is the wavelength corresponding to the resonant frequency of helical antenna.In the present embodiment, spiral shell is controlled
The diameter D/ λ of antenna are revolved between 0.25~0.46, ensure its radiation direction radially.
(1) divide the microwave heating equipment of radiation integrated to be used for based on work(the present embodiment to asphalt test piece, (size is
200×200×50mm3) heating, and compared with electromagnetic horn heating device in the prior art, simulation result is as follows：
Table 1 is that the present embodiment based on work(divides the microwave heating equipment of radiation integrated at a distance from asphalt test piece surface pair
The influence of heating effect, as seen from table, as seen from table, d is distance of the helical antenna apart from asphalt test piece surface, and emulation is found,
When d is 0~20mm, although based on the distance between the microwave heating equipment and pitch for dividing radiation integrated to design d to pitch
Heating effect have a certain impact, but the variation of standing-wave ratio is little, and standing-wave ratio is respectively less than 1.45, meets work and refers to
Mark requires.When helical antenna infinite approach asphalt test piece, the ratio that loss of energy accounts for transmitting gross energy is highest, that is,
It says, efficiency of heating surface highest at this moment.Therefore, our final choices are infinitely close to asphalt surface.
Table 1 divides the microwave heating equipment of radiation integrated with asphalt test piece surface distance d to heating effect based on work(
It influences
| d | 0mm | 5mm | 10mm | 15mm | 20mm |
| Standing-wave ratio | 1.43 | 1.33 | 1.23 | 1.17 | 1.22 |
| Emitted energy | 0.9687 | 0.98 | 0.98 | 0.9939 | 0.9902 |
| Bitumen layer | 0.0840 | 0.0728 | 0.0628 | 0.0589 | 0.04583 |
| There is active layer energy | 0.297 | 0.2029 | 0.1829 | 0.1603 | 0.1242 |
| Account for emitted energy ratio | 30% | 20.7% | 18.6% | 16.1% | 12.5% |
| Body loss density maximum value | 1.9686e4 | 9.4510e3 | 8.2310e3 | 6.5086e3 | 4.4175e3 |
In simulation process, body loss density can be with the loss situation of reflected microwave energy, and then reflects the distribution of temperature,
Therefore, reflect Temperature Distribution that heating device heats asphalt test piece by observing the body loss density of asphalt test piece.It incite somebody to action this
Embodiment divides the microwave heating equipment of radiation integrated and electromagnetic horn heating device to compare based on work(, and it is right to test its respectively
After the heating of asphalt test piece surface, the body loss density on asphalt test piece surface, as a result as shown in Figure 2 and Figure 3.
As shown in Figure 2, heating region is 200mm × 200mm, and in heating region, the present embodiment is radiated based on work(point
After integrated microwave heating equipment heats asphalt test piece, the surface of asphalt test piece generates four heating concentrated area A, respectively
It is corresponded with four helical antennas of the present embodiment, represents loss maximum point 1.8130e+004, the body on the surface of asphalt test piece
Loss density is 1.295e+003~1.813e+004, and the body loss on entire asphalt test piece surface is witnessed distribution map and connected
The all standing surface of asphalt test piece, to reflect in heating process, the surface temperature distribution of asphalt test piece is uniform.
From the figure 3, it may be seen that heating region is similarly 200mm × 200mm, but in heating region, electromagnetic horn heating device
After being heated to asphalt test piece, a heating concentrated area A is only produced in asphalt test piece, the body loss on the surface of asphalt test piece is close
Degree is 6.6376e+001~1.0619e+003, divides the microwave heating of radiation integrated to fill based on work(compared to the present embodiment
It sets, heating region is significantly smaller, and heats uneven.
Comparison diagram 2, Fig. 3 can be seen that in identical heating surface (area) (HS, and the present embodiment divides radiation integrated based on work(
Swept area of the microwave heating equipment on asphalt test piece surface is significantly greater than electromagnetic horn heating device, and homogeneous heating degree compared with
It is good.
Meanwhile respectively to the microwave heating equipment and electromagnetic horn heating device for dividing radiation integrated based on work(of embodiment
Body loss density distribution after being heated to asphalt test piece inside asphalt test piece is tested, as a result as shown in Figure 4, Figure 5.Its
In, Fig. 4 divides the microwave heating equipment of radiation integrated in asphalt test piece after asphalt test piece heating for the present embodiment based on work(
The body loss density distribution map in portion, Fig. 5 are that the body after electromagnetic horn heating device heats asphalt test piece inside asphalt test piece damages
Consume density profile.
As shown in Figure 4, heating region is 200mm × 200mm, and in heating region, the present embodiment is radiated based on work(point
After integrated microwave heating equipment heats asphalt test piece, asphalt test piece surface generates four heating concentrated area A, corresponds to four
A helical antenna radiation direction, four heating concentrated areas connect, and microwave radiation energy is filled with entire asphalt test piece
Inside, body loss density value illustrate microwave energy from 8.0000e+002~5.7143e+001 full of inside entire asphalt test piece
Measure that loss inside test specimen is uniform, to inside test specimen to be evenly heated effect preferable.
As shown in Figure 5, heating region is 200mm × 200mm, and in heating region, electromagnetic horn heating device is to pitch
After test specimen heating, asphalt test piece surface only produces a heating concentrated area A, and the entire asphalt test piece of microwave energy underfill
Inside, from 6.6376e+001~1.0619e+003, the distribution of body loss density cannot be completely filled with whole body loss density value
The inside of a asphalt test piece, but it is only distributed in the lower section of heating concentrated area A, to not heating unevenness in asphalt test piece.
Comparison diagram 4, Fig. 5 are it is found that in identical heating surface (area) (HS, the microwave that radiation integrated is divided based on work(of the present embodiment
Heating device is substantially suitable to the heat penetration and electromagnetic horn heating device of asphalt test piece, but it heats range and is much larger than loudspeaker
Antenna applicator.
(2) microwave heating equipment of radiation integrated is divided to be heated for bituminous paving based on work(the present embodiment, and with
Electromagnetic horn heating device in the prior art is compared, and measured result is as follows：
Fig. 6 divides the microwave heating equipment of radiation integrated to try pitch after asphalt test piece heating for the present embodiment based on work(
The three dimension temperature solid distribution map of part divides the microwave heating equipment of radiation integrated to add asphalt test piece based on work(as shown in Figure 7
After heat, four radiation areas are generated, and the temperature of four radiation areas, at 200 DEG C or more, minimum temperature is 116 DEG C, average
Temperature reaches 150 DEG C or so, has reached pitch and has softened required temperature, pitch can have been made to soften completely.
Fig. 7 is that the three dimension temperature of asphalt test piece after the electromagnetic horn heating device of the prior art heats asphalt test piece is three-dimensional
Distribution map, as seen from the figure, after electromagnetic horn heating device heats asphalt test piece, the maximum temperature of radiation areas is 91.9 DEG C,
Mean temperature only has 60 DEG C or so, cannot reach the temperature of pitch softening, pitch can not be made to soften completely.
Comparison diagram 6 and Fig. 7 are of the invention to divide spoke based on work(it is found that electromagnetic horn heating device compared with the prior art
Uniformly heated effect can be realized to asphalt test piece by penetrating integrated microwave heating equipment.
By specifically testing show that in the case of the same magnetron source, the microwave of radiation integrated is divided based on work(
Heating device is probably an one times left side of the electromagnetic horn heating device to asphalt test piece heated perimeter to the heated perimeter of asphalt test piece
It is right；The microwave heating equipment of radiation integrated is divided to carry out a degree of work(point by the energy to aggregation based on work(so that its
Possess under the same area wider array of effective " hot-zone "；The microwave heating equipment for dividing radiation integrated based on work(, to asphalt test piece
After heating, the temperature on entire asphalt test piece surface is up to 200 DEG C, and mean temperature reaches 150 DEG C, and the pitch after heating can be light
Opened by plane, in addition, using the present embodiment based on work(divide radiation integrated microwave heating equipment and loudspeaker heating devices to drip
After green road-surface heating, heat penetration is substantially suitable, is each about 50mm；And after electromagnetic horn heating devices heat, only in loudspeaker
In the radiation areas of antenna, the depth dug out has reached 50mm, and peripheral part temperature only has 60 DEG C or so, there is no softening, no
Meet the requirement of bitumen recovery, the present embodiment divide the microwave heating equipment of radiation integrated to heat pitch based on work(after, drip
Green entirety can easily be cast aside, and the effect of heating is preferable.
What the above Simulation results and measured result may indicate that the present embodiment divides the micro- of radiation integrated based on work(
Wave heating device can meet the same of asphalt mixture heating energy requirement by carrying out rational work(point to focused energy
When, " hot-zone " area is increased, homogeneous heating degree is improved.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (8)
1. a kind of microwave heating equipment dividing radiation integrated based on work(is used for heated asphalt road surface, which is characterized in that including：
Magnetron (1), metal cavity (2), coupling round platform (3) and helical antenna (4)；
The base plate external of the metal cavity (2) is provided with support leg (5)；
The magnetron (1) is fixed on the center of the top plate of metal cavity (2), and antenna cap one end of the magnetron
(101) metal cavity (2) is put in from the center of the top plate of the metal cavity (2), the other end connects with external power supply
It connects；
The coupling round platform (3) is fixed on the inner top panel of the metal cavity (2)；
One end of the helical antenna (4) is connected with metal tie rods (401), and the helical antenna (4) is located at the wire chamber
The outside of body (2) bottom plate, and it is connected with one end of metal tie rods (401) and passes through leading on the metal cavity (2) bottom plate
Hole (6) stretches into that the metal cavity (2) is internal, and be electrically connected at the center of the coupling round platform (3)；
The coupling round platform (3) is multiple, and is arranged centered on the magnetron (1).
2. the microwave heating equipment according to claim 1 for dividing radiation integrated based on work(, which is characterized in that the coupling
The radius of round platform (3) is 20~30mm.
3. the microwave heating equipment according to claim 1 for dividing radiation integrated based on work(, which is characterized in that the spiral
Antenna (4) is rectangle radial direction helical antenna, and line footpath is 1~2mm, and coil turn is 1~1.5, and the radius of spiraltron is 18
~24mm, screw pitch are 7~9mm.
4. the microwave heating equipment according to claim 1 for dividing radiation integrated based on work(, which is characterized in that the coupling
The distance of round platform (3) between any two is 60~100mm.
5. the microwave heating equipment according to claim 1 for dividing radiation integrated based on work(, which is characterized in that the spiral
Antenna (4), the number of through-hole (6) are consistent with the coupling number of round platform respectively.
6. the microwave heating equipment according to claim 1 for dividing radiation integrated based on work(, which is characterized in that the metal
Each medial surface center position of cavity (2) be also vertically arranged with support cylinder (7), the support cylinder (7) with it is described
The top plate of metal cavity (2) is connected with bottom plate, and equidistant with the magnetron (1).
7. the microwave heating equipment according to claim 1 for dividing radiation integrated based on work(, which is characterized in that the through-hole
(6) aperture is 11~12mm.
8. the microwave heating equipment according to claim 6 for dividing radiation integrated based on work(, which is characterized in that the support
The radius of cylinder (7) is 2~4mm.
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|---|---|---|---|---|
| CN2719905Y (en) * | 2004-08-18 | 2005-08-24 | 杨林江 | Asphalt material microwave heating regenerating unit |
| DE102004004359A1 (en) * | 2004-01-29 | 2005-08-25 | Aft Advanced Ferrite Technology Gmbh | Device for softening asphalt layers, especially of asphalt road surfaces, comprises wave guides coupled to microwave emitters and arranged adjacent to each other so that their microwave-emitting outlet openings face the asphalt surface |
| CN1810321A (en) * | 2006-03-02 | 2006-08-02 | 西安理工大学 | Multi-arm spiral heat therapy microwave antenna |
| RO126421A0 (en) * | 2011-01-31 | 2011-06-30 | Mihai Mihalcea | Equipment meant for the rehabilitation of asphaltic roads by microwave method |
| EP2434054A1 (en) * | 2010-06-28 | 2012-03-28 | Velveth Inlet Corporation s.r.o. | Equipment for microwave heating of reconditioned asphalts roads |
| CN205115981U (en) * | 2015-11-13 | 2016-03-30 | 山东大学 | Microwave heating equipment is restoreed on movable road surface |
-
2016
- 2016-06-01 CN CN201610382381.3A patent/CN105970789B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004004359A1 (en) * | 2004-01-29 | 2005-08-25 | Aft Advanced Ferrite Technology Gmbh | Device for softening asphalt layers, especially of asphalt road surfaces, comprises wave guides coupled to microwave emitters and arranged adjacent to each other so that their microwave-emitting outlet openings face the asphalt surface |
| CN2719905Y (en) * | 2004-08-18 | 2005-08-24 | 杨林江 | Asphalt material microwave heating regenerating unit |
| CN1810321A (en) * | 2006-03-02 | 2006-08-02 | 西安理工大学 | Multi-arm spiral heat therapy microwave antenna |
| EP2434054A1 (en) * | 2010-06-28 | 2012-03-28 | Velveth Inlet Corporation s.r.o. | Equipment for microwave heating of reconditioned asphalts roads |
| RO126421A0 (en) * | 2011-01-31 | 2011-06-30 | Mihai Mihalcea | Equipment meant for the rehabilitation of asphaltic roads by microwave method |
| CN205115981U (en) * | 2015-11-13 | 2016-03-30 | 山东大学 | Microwave heating equipment is restoreed on movable road surface |
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