CN209816628U - Energy-concerving and environment-protective type is used for microwave heating device of bituminous paving - Google Patents
Energy-concerving and environment-protective type is used for microwave heating device of bituminous paving Download PDFInfo
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- CN209816628U CN209816628U CN201920464828.0U CN201920464828U CN209816628U CN 209816628 U CN209816628 U CN 209816628U CN 201920464828 U CN201920464828 U CN 201920464828U CN 209816628 U CN209816628 U CN 209816628U
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Abstract
The utility model discloses an energy-concerving and environment-protective type is used for microwave heating device of bituminous paving relates to bituminous paving's microwave heating technical field, comprising a base plate, the power supply box that is used for the power supply is installed to the upper end of bottom plate, and one side position department that the upper end of bottom plate is located the power supply box installs the second microwave heating mechanism that is used for heating pitch. The utility model discloses a treat the inside and outside concurrent heating of heating object, heat up simultaneously, the fast and even function of rate of heating, and adopt the combined use of first microwave heating mechanism and second microwave heating mechanism, can improve the repair raw materials and the fissured degree of adhesion after the heating, improve and repair the quality, recycle in the draught fan can introduce 'U' shape heat-conducting pipe with the high-temperature gas that first microwave heating mechanism during operation produced, both make things convenient for the pitch raw materials in the storage hopper to tentatively preheat and keep warm, also filter the peculiar smell gas that produces, energy-concerving and environment-protective effect has also been realized simultaneously.
Description
Technical Field
The utility model relates to a bituminous paving's microwave heating technical field specifically is an energy-concerving and environment-protective type is used for bituminous paving's microwave heating device.
Background
Asphalt pavements are almost spread throughout the countryside. However, asphalt pavement is affected by the properties (hot softness, cold brittleness) of its main material (asphalt): after two or three years of use, damage occurs to varying degrees. The main reasons for this are two areas: firstly, temperature is high summer, and the road surface becomes soft, and easy variant is rolled by heavy-duty vehicle, and the unevenness that becomes: secondly, when the temperature is low in winter, the pavement layer becomes brittle and is easy to be pressed and crisp, and various cracks appear. With the advent of various large vehicles and the heavy overloading of transport vehicles, it is often prohibited. The road surface is damaged more and more quickly, especially in summer and winter.
The existing solution is that local repair or removal of the re-paved road is not available, but the cost is high, time and labor are wasted, resources are wasted, the environment is polluted, moreover, asphalt pavements in expressways of China account for most of the pavement, and various damages inevitably occur on the pavement under the influence of long-term natural environment and driving use. Therefore, advanced, reliable and flexible small pavement repairing machinery is urgently needed, and the problem that the pits of the asphalt pavement are repaired at any time can be well solved by utilizing the on-site heat recovery and regeneration technology of the asphalt mixture. The current heating techniques are commonly used such as visible light and infrared light. The first visible light heating method is easy to realize, but has a small heating depth, is not easy to be absorbed by asphalt pavement, and therefore has a long heating time. The second infrared radiation heating method has been put into practical use, but the technology still cannot solve the problem of uneven heating and easy aging of asphalt.
Microwave heating has been applied in relatively mature industry, and has achieved remarkable performance in industries such as food, tobacco, medicine and the like, but the microwave heating device also belongs to a new attempt in the aspect of asphalt pavement heating, and although some enterprises and companies develop microwave heating plates for asphalt pavements, the heating efficiency is low, and the protection for constructors is not perfect, and the heating mode is too single, so that the repair efficiency of asphalt pavement cracks is low, and meanwhile, the heat loss of microwave heating is too waste, therefore, technical personnel in the field provide an energy-saving and environment-friendly microwave heating device for asphalt pavements, so as to solve the problems provided in the background technology.
Disclosure of Invention
The utility model aims at providing an energy-concerving and environment-protective type is used for bituminous paving's microwave heating device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an energy-saving environment-friendly microwave heating device for asphalt pavement, which comprises a bottom plate and a push handle fixedly connected with the front end of the bottom plate, wherein the upper end of the bottom plate is provided with a power box for supplying power, a control panel for controlling the electric equipment is arranged at the position of one side surface of the power box at the upper end of the bottom plate, the front end and the rear end of the bottom plate are fixedly provided with a traveling mechanism for moving, and a second microwave heating mechanism for heating the asphalt is arranged at the position of one side of the power box at the upper end of the bottom plate, a feed inlet is arranged at the upper end of the second microwave heating mechanism, a discharge hole is arranged on one side surface of the second microwave heating mechanism, a storage hopper for storing asphalt is arranged at the upper end of the power supply box, the inboard of storage hopper is provided with the inner chamber, the mid-mounting of bottom plate has and is used for carrying out the first microwave heating mechanism that heats to pitch ground.
As a further aspect of the present invention: the inside wall fixed mounting of inner chamber has the heat pipe, and the one end through connection that the inside wall of inner chamber is located the heat pipe has the filter cartridge, the other end of heat pipe is connected with the outlet duct.
As a further aspect of the present invention: the heat conduction pipe is of a U-shaped structure, the heat conduction pipes are uniformly distributed on the inner side wall of the inner cavity, and a filter screen is arranged in the filter box.
As a further aspect of the present invention: the side of second microwave heating mechanism runs through there is the intake pipe, and just is located the one end position department of intake pipe between second microwave heating mechanism and the storage hopper and installs the draught fan, inside one side of second microwave heating mechanism is provided with the microwave cavity, the internally mounted in microwave cavity has the transformer, and the inside upper end position department that is located the transformer in microwave cavity installs the condenser, the upper end fixedly connected with magnetron of condenser, the wave guide is installed to the upper end of magnetron, the inside upper end of second microwave heating mechanism corresponds the wave guide and is close to one side position department of feed inlet and installs the agitator.
As a further aspect of the present invention: the capacitor is fixedly connected with the transformer and the magnetron through leads respectively, the magnetron is in through connection with the second microwave heating mechanism through a waveguide tube, the heat conducting tube is in through connection with the air inlet tube through a filter box, one end of the heat conducting tube is in through connection with the second microwave heating mechanism through the filter box and the air inlet tube, and the other end of the heat conducting tube is in through connection with the second microwave heating mechanism through an air outlet tube.
As a further aspect of the present invention: the surface of the first microwave heating mechanism is provided with a heating port, the heating principle of the inside of the first microwave heating mechanism is the same as that of the inside of the second microwave heating mechanism, and the first microwave heating mechanism is of a rectangular structure.
As a further aspect of the present invention: running gear includes gyro wheel, push pedal, electric telescopic handle and mounting panel, running gear's top is provided with the mounting panel, the lower extreme symmetry of mounting panel is provided with two electric telescopic handle, electric telescopic handle's lower extreme fixedly connected with push pedal, two gyro wheels are installed to the lower extreme symmetry of push pedal.
As a further aspect of the present invention: the mounting panel passes through bolt fixed connection with the bottom plate, and the mounting panel passes through electric telescopic handle and push pedal fixed connection with the gyro wheel, running gear is provided with two altogether.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model designs an energy-concerving and environment-protective type is used for bituminous paving's microwave heating device, when the in-service use, mainly repair to bituminous paving crack, replace traditional heating methods through the mode that adopts microwave heating, it is through being heated the inside dipole molecule high frequency reciprocating motion of body, produce "interior friction heat" and make the material temperature of being heated rise, need not any heat-conduction process, just can make the inside and outside of material heat simultaneously, heat up simultaneously, the rate of heating is fast and even, only need the energy consumption of traditional heating methods a fraction or a dozen fraction can reach the heating purpose, the rate of heating of pitch has further been strengthened, and the combination of adopting first microwave heating mechanism and second microwave heating mechanism uses, one side heats the repairing raw materials, on the other side heats the crack of bituminous paving, can improve the repairing raw materials after the heating and the degree of adhesion of crack, improve the repair quality, and utilize the draught fan can introduce in the heat conduction pipe of 'U' shape with the high-temperature gas that first microwave heating mechanism during operation produced, both make things convenient for the pitch raw materials to the storage hopper in tentatively preheat and keep warm, also filter the peculiar smell gas that produces, not only solved the heat and run off the problem that causes the waste, energy-concerving and environment-protective effect has also been realized, this design is novel structure not only, convenient operation, and is with low costs, the rate of heating is fast, bituminous paving's crack repair high quality, staff's work efficiency has further been improved.
Drawings
FIG. 1 is a schematic structural view of an energy-saving and environment-friendly microwave heating device for asphalt pavement;
FIG. 2 is a schematic view showing the installation of a heat pipe in an energy-saving and environment-friendly microwave heating device for asphalt pavement;
FIG. 3 is a schematic structural view of a second microwave heating mechanism in the energy-saving and environment-friendly microwave heating device for asphalt pavement;
FIG. 4 is a schematic view of an installation of a heating port in an energy-saving and environment-friendly microwave heating device for asphalt pavement;
fig. 5 is a schematic structural diagram of a traveling mechanism in an energy-saving and environment-friendly microwave heating device for asphalt pavement.
In the figure: 1. a base plate; 2. a first microwave heating mechanism; 3. a traveling mechanism; 301. a roller; 302. pushing the plate; 303. an electric telescopic rod; 304. mounting a plate; 4. a control panel; 5. a power supply box; 6. a second microwave heating mechanism; 601. a transformer; 602. a capacitor; 603. a magnetron; 604. a waveguide; 605. a microwave cavity; 7. a discharge port; 8. a feed inlet; 9. an inner cavity; 901. a filter cartridge; 902. a heat conducting pipe; 10. a storage hopper; 11. a push handle; 12. a stirrer; 13. an air inlet pipe; 14. a heating port; 15. an induced draft fan.
Detailed Description
Referring to fig. 1 to 5, in an embodiment of the present invention, an energy-saving and environment-friendly microwave heating device for asphalt pavement includes a bottom plate 1 and a pushing handle 11 fixedly connected to a front end of the bottom plate 1, a power box 5 for supplying power is installed at an upper end of the bottom plate 1, a control panel 4 for controlling electric equipment is installed at a position of a side surface of the power box 5 at the upper end of the bottom plate 1, a traveling mechanism 3 for moving is fixedly installed at both front and rear ends of the bottom plate 1, a second microwave heating mechanism 6 for heating asphalt is installed at a position of a side surface of the power box 5 at the upper end of the bottom plate 1, a feeding port 8 is installed at an upper end of the second microwave heating mechanism 6, a discharging port 7 is installed at a side surface of the second microwave heating mechanism 6, a storage hopper 10 for storing asphalt is installed at an upper end of the power box 5, and an inner cavity, the middle part of the bottom plate 1 is provided with a first microwave heating mechanism 2 for heating the asphalt ground.
The heat conduction pipe 902 is fixedly installed on the inner side wall of the inner cavity 9, one end, located on the heat conduction pipe 902, of the inner side wall of the inner cavity 9 is connected with the filter box 901 in a penetrating manner, the other end of the heat conduction pipe 902 is connected with the air outlet pipe, the heat conduction pipe 902 is of a U-shaped structure, the heat conduction pipe 902 is uniformly distributed on the inner side wall of the inner cavity 9, a filter screen is arranged inside the filter box 901, the heat generated in the second microwave heating mechanism 6 during heating is convenient to recycle, the heat conduction pipe 902 is convenient to conduct, meanwhile, when the second microwave heating mechanism 6 heats asphalt, the asphalt is easily heated to generate odor gas, therefore, when the heat gas enters the heat conduction pipe 902, the asphalt material in the storage hopper 10 is primarily heated and insulated by using the heat conduction pipe 902, and the heating speed of the asphalt when the asphalt needs to be used is convenient to improve, but also can recycle the heat generated by the second microwave heating mechanism 6, thereby avoiding the problem of resource waste caused by heat loss.
An air inlet pipe 13 penetrates through one side surface of the second microwave heating mechanism 6, an induced draft fan 15 is arranged between the second microwave heating mechanism 6 and the storage hopper 10 and at one end of the air inlet pipe 13, a microwave cavity 605 is arranged at one side inside the second microwave heating mechanism 6, a transformer 601 is arranged inside the microwave cavity 605, a capacitor 602 is arranged inside the microwave cavity 605 and at the upper end of the transformer 601, the upper end of the capacitor 602 is fixedly connected with a magnetron 603, a waveguide 604 is arranged at the upper end of the magnetron 603, a stirrer 12 is arranged at the upper end inside the second microwave heating mechanism 6, which corresponds to the waveguide 604 and is close to one side of the feed inlet 8, the capacitor 602 is respectively connected with the magnetrons 601 and 603 through leads, the magnetron 603 is in through connection with the second microwave heating mechanism 6 through the waveguide 604, and the magnetron 603 is an electric vacuum device for generating microwave energy, the capacitor 602 mainly functions to form a half-wave voltage doubling rectifying circuit with a high-voltage diode inside the magnetron 603 to provide a direct-current anode high voltage for the magnetron 603, the transformer 601 is used to provide a high voltage for the magnetron 603 for generating microwaves, generally, the construction adopts alternating current with most voltage of 220V or 380V, the magnetron 603 for generating microwaves can be driven by the high voltage of about 4000V, the transformer 601 functions to convert the alternating current with 220V or 380V into direct current with 4000V to provide high-voltage current for the magnetron 603, the heat conducting pipe 902 is connected with the air inlet pipe 13 through the filter box 901, one end of the heat conducting pipe 902 is connected with the second microwave heating mechanism 6 through the filter box 901 and the air inlet pipe 13, the other end of the heat conducting pipe 902 is connected with the second microwave heating mechanism 6 through the air outlet pipe, one end of the air inlet pipe 13 penetrates into the upper end of the second microwave heating mechanism 6, one end of the air outlet pipe penetrates through the upper end inside the second microwave heating mechanism 6 and is parallel to the air inlet pipe 13, an anti-blocking net is arranged at one port of the air inlet pipe 13 and one port of the air outlet pipe, which are positioned inside the second microwave heating mechanism 6, so that asphalt is prevented from entering a pipeline, the other ends of the air inlet pipe 13 and the air outlet pipe are communicated with the inner cavity 9, during work, asphalt is placed into the second microwave heating mechanism 6 and is positioned below the stirrer 12, then the second microwave heating mechanism 6 can carry out microwave heating on the asphalt, so that cracks of an asphalt pavement can be repaired, the asphalt is placed into the asphalt through the feed inlet 8, then the second microwave heating mechanism 6 is controlled to work through the control panel 4, electric energy is converted into microwave by using a magnetron 603 inside the second microwave heating mechanism, then a waveguide tube 604 is used for guiding the generated microwave to the asphalt entering from the feed inlet, be convenient for make and to wait to move between the molecule in the heating pitch to produce a large amount of heats from the inside of pitch, and then realize the rapid heating to pitch, the pitch after the convenience will heating is discharged by discharge gate 7, and the crack that the bituminous paving of being convenient for produced is repaired.
The surface of the first microwave heating mechanism 2 is provided with a heating port 14, the heating principle of the inside of the first microwave heating mechanism 2 is the same as that of the inside of the second microwave heating mechanism 6, the first microwave heating mechanism 2 is of a rectangular structure, the heating modes of the first microwave heating mechanism 2 and the second microwave heating mechanism 6 are the same, and the structures of the inside of the first microwave heating mechanism 2 and the second microwave heating mechanism 6 are the same, therefore, when repairing the asphalt pavement, the heating port 14 at the lower end of the first microwave heating mechanism 2 can be used for aligning the cracks of the pavement, then through adjusting running gear 3, make heating port 14 laminate on the road surface crack, control panel 4 controls second microwave heating mechanism 2 again and carries out work, is convenient for make the crack on road surface be heated, conveniently can improve both adhesion degree when the crack is filled into to the pitch of heating, avoids both to appear the difference in temperature and leads to the problem that the adhesion degree is low, has further improved bituminous paving's crack repair's quality.
Running gear 3 includes gyro wheel 301, push pedal 302, electric telescopic handle 303 and mounting panel 304, running gear 3's top is provided with mounting panel 304, mounting panel 304's lower extreme symmetry is provided with two electric telescopic handle 303, electric telescopic handle 303's lower extreme fixedly connected with push pedal 302, two gyro wheels 301 are installed to push pedal 302's lower extreme symmetry, mounting panel 304 passes through bolt fixed connection with bottom plate 1, and mounting panel 304 passes through electric telescopic handle 303 and push pedal 302 fixed connection with gyro wheel 301, running gear 3 is provided with two altogether, through control panel 4 control electric telescopic handle 303, conveniently promote push pedal 302, be convenient for adjust the height of gyro wheel 301, and then can conveniently control the laminating distance of heating port 14 and bituminous paving.
The utility model discloses a theory of operation is: firstly, when repairing the asphalt pavement, the joint distance between the heating port 14 and the pavement crack can be adjusted through the travelling mechanism 3, the travelling mechanism 3 is controlled to shrink through the control panel 4, so that the heating port 14 is conveniently jointed on the pavement crack, then the asphalt in the storage hopper 10 is quantitatively taken out, the asphalt is put into the second microwave heating mechanism 6 through the feed port 8, the control panel 4 controls the second microwave heating mechanism 6 to work, the magnetron 603 in the storage hopper is used for converting electric energy into microwaves, the microwaves are guided by the waveguide tube 604, the generated microwaves are guided to the entering asphalt through the stirrer 12, so that the molecules in the asphalt to be heated are conveniently reciprocated at high frequency to generate 'internal friction heat', and further generate a large amount of friction heat, thereby realizing the rapid heating of the asphalt, and then the heated asphalt is discharged from the discharge port 7, meanwhile, the first microwave heating mechanism 2 is controlled to work through the control panel 4, the first microwave heating mechanism 2 and the second microwave heating mechanism 6 are consistent in working mode, the internal heating principle is the same, the cracks of the road surface can be conveniently heated, then the asphalt heated by the second microwave heating mechanism 6 is filled into the cracks of the road surface for repairing, after the cracks of the road surface are heated, the cracks of the road surface can be bonded with the heated asphalt more strongly, the repairing quality of the asphalt road surface is further improved, finally, a large amount of heat can be generated in the heating process of the second microwave heating mechanism 6, when the heated asphalt is heated, some high-temperature peculiar smell gas can be generated, the high-temperature peculiar smell gas generated in the second microwave heating mechanism 6 can be guided into the heat conduction pipe 902 by utilizing the air inlet pipe 13 and the draught fan 15, the heat generated in the heating process of the second microwave heating mechanism 6 can be conveniently recycled, recycle heat pipe 902 and conduct the heat, utilize filter box 901 to filter high temperature peculiar smell gas simultaneously, heat pipe 902 can carry out preliminary heating to the pitch material thing in the storage hopper 10 and keep warm, be convenient for improve the rate of heating of pitch when needs use, and also can carry out recycle to the produced heat of second microwave heating mechanism 6, avoid the heat to run off the problem that causes the waste of resource, this design is simple structure not only, and convenient for operation, and energy-concerving and environment-protective, the rate of heating is fast, and is with low costs.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. An energy-saving and environment-friendly microwave heating device for asphalt pavement comprises a bottom plate (1) and a push handle (11) fixedly connected with the front end of the bottom plate (1), a power supply box (5) used for supplying power is installed at the upper end of the bottom plate (1), a control panel (4) used for controlling electric equipment is installed at one side position, located at the power supply box (5), of the upper end of the bottom plate (1), and is characterized in that a traveling mechanism (3) used for moving is fixedly installed at the front end and the rear end of the bottom plate (1), a second microwave heating mechanism (6) used for heating asphalt is installed at one side position, located at the power supply box (5), of the upper end of the bottom plate (1), a feeding hole (8) is formed in the upper end of the second microwave heating mechanism (6), a discharging hole (7) is formed in one side surface of the second microwave heating mechanism (6), a storage hopper (10) used for storing asphalt is installed at the upper end of, the inner side of the storage hopper (10) is provided with an inner cavity (9), and the middle part of the bottom plate (1) is provided with a first microwave heating mechanism (2) for heating the asphalt ground.
2. The microwave heating device for the asphalt pavement according to claim 1, wherein a heat conducting pipe (902) is fixedly installed on the inner side wall of the inner cavity (9), a filter box (901) is connected to one end, located on the heat conducting pipe (902), of the inner side wall of the inner cavity (9) in a penetrating manner, and an air outlet pipe is connected to the other end of the heat conducting pipe (902).
3. The microwave heating device for asphalt pavement according to claim 2, wherein the heat conducting pipes (902) are of a 'U' -shaped structure, the heat conducting pipes (902) are uniformly distributed on the inner side wall of the inner cavity (9), and the filter screen is arranged inside the filter box (901).
4. The energy-saving and environment-friendly microwave heating device for asphalt pavement according to claim 1, wherein an air inlet pipe (13) penetrates through a side surface of the second microwave heating mechanism (6), an induced draft fan (15) is installed at one end position between the second microwave heating mechanism (6) and the storage hopper (10) and located at the air inlet pipe (13), a microwave cavity (605) is arranged on one side of the inside of the second microwave heating mechanism (6), a transformer (601) is installed inside the microwave cavity (605), a capacitor (602) is installed at the upper end position of the transformer (601) inside the microwave cavity (605), a magnetron (603) is fixedly connected to the upper end of the capacitor (602), a waveguide (604) is installed at the upper end of the magnetron (603), and a stirrer (12) is installed at one side position of the inside of the second microwave heating mechanism (6) corresponding to the waveguide (604) and close to the feed inlet (8) .
5. The microwave heating device for the asphalt pavement according to claim 2 or 4, wherein the capacitor (602) is respectively fixedly connected with the transformer (601) and the magnetron (603) through conducting wires, the magnetron (603) is in through connection with the second microwave heating mechanism (6) through the waveguide tube (604), the heat conducting tube (902) is in through connection with the air inlet tube (13) through the filter box (901), one end of the heat conducting tube (902) is in through connection with the second microwave heating mechanism (6) through the filter box (901) and the air inlet tube (13), and the other end of the heat conducting tube (902) is in through connection with the second microwave heating mechanism (6) through the air outlet tube.
6. The microwave heating device for the asphalt pavement according to claim 1, wherein the surface of the first microwave heating mechanism (2) is provided with a heating port (14), the heating principle of the inside of the first microwave heating mechanism (2) is the same as that of the inside of the second microwave heating mechanism (6), and the first microwave heating mechanism (2) has a rectangular structure.
7. The microwave heating device for the asphalt pavement according to claim 1, wherein the traveling mechanism (3) comprises rollers (301), a push plate (302), electric telescopic rods (303) and a mounting plate (304), the mounting plate (304) is arranged at the top end of the traveling mechanism (3), the two electric telescopic rods (303) are symmetrically arranged at the lower end of the mounting plate (304), the push plate (302) is fixedly connected to the lower end of each electric telescopic rod (303), and the two rollers (301) are symmetrically arranged at the lower end of the push plate (302).
8. The microwave heating device for the asphalt pavement according to claim 7, wherein the mounting plate (304) is fixedly connected with the bottom plate (1) through bolts, the mounting plate (304) is fixedly connected with the rollers (301) through electric telescopic rods (303) and a push plate (302), and the number of the walking mechanisms (3) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920464828.0U CN209816628U (en) | 2019-04-09 | 2019-04-09 | Energy-concerving and environment-protective type is used for microwave heating device of bituminous paving |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920464828.0U CN209816628U (en) | 2019-04-09 | 2019-04-09 | Energy-concerving and environment-protective type is used for microwave heating device of bituminous paving |
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| CN209816628U true CN209816628U (en) | 2019-12-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549639A (en) * | 2020-05-29 | 2020-08-18 | 吉林省嘉鹏集团有限公司 | Combined heater for heating asphalt pavement |
| CN111676790A (en) * | 2020-05-27 | 2020-09-18 | 江苏集萃道路工程技术与装备研究所有限公司 | In-situ microwave heating machine, microwave in-situ resonance heating device and construction method |
| CN116537002A (en) * | 2023-03-13 | 2023-08-04 | 石家庄铁道大学 | Asphalt mixture heating device based on microwaves |
-
2019
- 2019-04-09 CN CN201920464828.0U patent/CN209816628U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676790A (en) * | 2020-05-27 | 2020-09-18 | 江苏集萃道路工程技术与装备研究所有限公司 | In-situ microwave heating machine, microwave in-situ resonance heating device and construction method |
| CN111676790B (en) * | 2020-05-27 | 2021-11-16 | 江苏集萃道路工程技术与装备研究所有限公司 | In-situ microwave heating machine, microwave in-situ resonance heating device and construction method |
| CN111549639A (en) * | 2020-05-29 | 2020-08-18 | 吉林省嘉鹏集团有限公司 | Combined heater for heating asphalt pavement |
| CN116537002A (en) * | 2023-03-13 | 2023-08-04 | 石家庄铁道大学 | Asphalt mixture heating device based on microwaves |
| CN116537002B (en) * | 2023-03-13 | 2023-11-10 | 石家庄铁道大学 | Asphalt mixture heating device based on microwaves |
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