CN213203689U - Regenerated asphalt heating device utilizing microwave, hot air and heat conducting oil to perform composite heating - Google Patents
Regenerated asphalt heating device utilizing microwave, hot air and heat conducting oil to perform composite heating Download PDFInfo
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- CN213203689U CN213203689U CN202021850474.2U CN202021850474U CN213203689U CN 213203689 U CN213203689 U CN 213203689U CN 202021850474 U CN202021850474 U CN 202021850474U CN 213203689 U CN213203689 U CN 213203689U
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Abstract
The utility model discloses a regenerated asphalt heating device which utilizes microwave, hot air and heat conducting oil to carry out composite heating, comprising a microwave unit, a hot air unit and a heat conducting oil unit; the microwave unit comprises a horizontal microwave heating furnace; the microwave heating furnace is provided with a stirring shaft; an oil duct is arranged in the stirring shaft; the hot air unit comprises an air heater, a microwave oven air inlet pipe and a microwave oven air outlet pipe, wherein two ends of the microwave oven air inlet pipe are respectively connected with an air heater air outlet and a heating furnace shell air inlet; the heat conduction oil unit comprises heat conduction oil, a heating wire and an electric slip ring; the heat conducting oil is arranged in an oil duct of the stirring shaft, a heating wire is arranged in the oil duct, and the heating wire is electrically connected with the electric slip ring. The magnetron in the furnace heats from the inside of the asphalt mixture through microwaves and is supplemented with heat conduction oil in the stirring shaft, so that a heat source can be provided for heating the asphalt mixture, and the phenomenon of axle seizure of the asphalt mixture can be effectively avoided.
Description
Technical Field
The utility model belongs to the technical field of the road surface maintenance equipment, concretely relates to utilize regeneration pitch heating device of microwave, hot-blast and conduction oil combined heating.
Background
The conventional microwave asphalt mixture mixing furnace has long time for heating the mixture at each time, the discharging speed is difficult to meet the construction progress in the paving process of the asphalt pavement, and the technical problem to be solved is to improve the heating speed of the asphalt mixture.
SUMMERY OF THE UTILITY MODEL
The bituminous mixture discharge speed in order to satisfy the heating can catch up with the construction progress, the utility model aims to provide an utilize microwave, hot-blast and conduction oil composite heating's regeneration pitch heating device. The device not only can provide the heat source and be used for heating bituminous mixture, can effectively avoid bituminous mixture to produce the axle phenomenon simultaneously, influences heating device's heating and stirring efficiency and effect.
In order to achieve the above object, the utility model adopts the following technical means:
the utility model provides an utilize regeneration pitch heating device of microwave, hot-blast and conduction oil combined heating which characterized in that includes: the device comprises a microwave unit, a hot air unit and a heat conducting oil unit;
the microwave unit comprises a horizontal microwave heating furnace; the microwave heating furnace is provided with a stirring shaft; an oil duct is arranged in the stirring shaft;
the hot air unit comprises an air heater, a microwave oven air inlet pipe and a microwave oven air outlet pipe, wherein two ends of the microwave oven air inlet pipe are respectively connected with an air heater air outlet and a heating furnace shell air inlet;
the heat conduction oil unit comprises heat conduction oil, a heating wire and an electric slip ring; the heat conducting oil is arranged in an oil duct of the stirring shaft, a heating wire is arranged in the oil duct, and the heating wire is electrically connected with the electric slip ring.
Optionally, the microwave heating furnace comprises a stirring motor, a heating furnace shell, a microwave generator and stirring blades, the microwave generator is uniformly arranged on the outer wall of the heating furnace shell, the stirring shaft is arranged inside the heating furnace shell, the stirring blades are arranged on the stirring shaft, and the stirring motor is connected with the end part of the stirring shaft through a coupling.
Optionally, the stirring shaft comprises a first stirring shaft and a second stirring shaft; the first stirring shaft is arranged in the heating furnace shell, the oil duct is arranged in the first stirring shaft, and two ends of the first stirring shaft are rotatably connected and sealed with the heating furnace shell; the second stirring shaft is arranged outside the heating furnace shell, and the first stirring shaft is fixedly connected with the second stirring shaft; the electric slip ring is sleeved on the second stirring shaft, and the second stirring shaft is connected with the coupler.
Optionally, the microwave heating furnace is supported on the supporting legs, the air heater and the stirring motor are both arranged on the side support, and the side support is connected with the supporting legs and the heating furnace shell; the hot air blower and the stirring motor are respectively arranged at two ends of the microwave heating furnace.
Optionally, the air heater is provided with a microwave oven air-out temperature measuring probe and a control panel, the microwave oven air-out temperature measuring probe is arranged on the air heater shell and is arranged in the end part of the microwave oven air-out pipe; the control panel is electrically connected with the air outlet temperature measuring probe of the microwave oven.
Optionally, the hot air unit further comprises a dust remover, and the dust remover is arranged on the air outlet pipe of the microwave oven.
Optionally, the microwave oven air inlet pipe and the microwave oven air outlet pipe are made of stainless steel.
Optionally, the air heater is provided with an air regulating valve to regulate the air speed.
The technical effects and advantages of the utility model are:
the utility model discloses regeneration pitch heating device, microwave heating furnace is horizontal structure, hot-blast unit is by the air heater, the microwave oven air-supply line, the microwave oven goes out the tuber pipe, the dust remover is constituteed, the dust remover sets up between microwave oven air-out pipe and air heater, the microwave oven air-supply line, the microwave oven goes out the tuber pipe and adopts the stainless steel to make, the air heater is equipped with microwave oven air-out temperature probe and control panel, automatic shutdown air supply when the air-out temperature that the microwave oven goes out the tuber pipe that microwave oven air-out temperature probe detected reaches the temperature that control panel set for, the conduction oil distributes in hollow (mixing) shaft, set up electric heating wire in the axle, utilize the sliding ring to give the heater strip power supply. In the stirring device of the horizontal microwave oven, the asphalt mixture can be quickly heated to 160-180 ℃ by adding the hot air blower and the heat conducting oil, and meanwhile, the temperature of the mixture can be kept for a long time. The device mainly heats air to a specified temperature through a hot air blower, and then conveys high-temperature air into a microwave oven through an air supply pipe, so that the asphalt mixture is heated from the surface to the inside. The magnetron in the furnace heats from the inside of the asphalt mixture through microwaves and is simultaneously assisted with heat conduction oil in the stirring shaft, so that a heat source can be provided for heating the asphalt mixture, and the phenomenon of axle locking of the asphalt mixture, which influences the heating and stirring efficiency and effect of the heating device, can be effectively avoided.
The hot air system adopts an internal circulation measure, can save energy to the maximum extent, repeatedly utilizes the capacity of heated hot air, heats the hot air by the fan, increases the temperature, and enters the furnace again for heating.
According to the actual situation of the site, the heating combination mode and even the single-energy heating mode can be flexibly selected, the heating application range is wider, and the efficiency is higher. For example, the mixture with lower heating viscosity can be heated by adopting a microwave and hot air combined mode, the heat transfer oil is turned off for heating, and even a single microwave heating mode can be selected.
Drawings
FIG. 1 is a schematic view of a regenerated asphalt heating apparatus using microwave, hot air and heat transfer oil for combined heating.
Detailed Description
The structure and operation of the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides an utilize microwave, hot-blast and conduction oil combined heating's regeneration pitch heating device, include: the device comprises a microwave unit, a hot air unit and a heat conducting oil unit;
the microwave unit comprises a microwave heating furnace 1, and the microwave heating furnace 1 is of a horizontal structure; the microwave heating furnace 1 comprises a stirring motor 16, a heating furnace shell, a microwave generator 9, stirring blades 10 and a stirring shaft 12, wherein the microwave generator 9 is uniformly arranged on the outer wall of the heating furnace shell, the stirring shaft 12 is transversely arranged inside the heating furnace shell, the stirring blades 10 are arranged on the stirring shaft 12, and the stirring motor 16 is connected with the shaft end part of the stirring shaft 12 through a coupling 15.
The hot air unit comprises an air heater 2, a microwave oven air inlet pipe 3, a microwave oven air outlet pipe 4 and a dust remover 5, wherein two ends of the microwave oven air inlet pipe 3 are respectively connected with an air outlet of the air heater 2 and an air inlet of a heating furnace shell, and two ends of the microwave oven air outlet pipe 4 are respectively connected with an air inlet of the air heater 2 and an air outlet of the heating furnace shell; the dust remover 5 is arranged on the air outlet pipe 4 of the microwave oven.
The air heater 2 is provided with a microwave oven air-out temperature measuring probe 6 and a control panel 7, the microwave oven air-out temperature measuring probe 6 is arranged on the shell of the air heater 2 and is arranged in the end part of the microwave oven air-out pipe 4; and when the air outlet temperature of the air outlet pipe 4 of the microwave oven detected by the air outlet temperature measuring probe 6 of the microwave oven reaches the temperature set by the control panel 7, stopping air supply.
The heat conduction oil unit comprises heat conduction oil, a heating wire and an electric slip ring 14; an oil duct 13 is arranged inside the stirring shaft 12, the heat conducting oil is distributed in the oil duct 13 of the hollow stirring shaft 12, a heating wire is arranged in the stirring shaft 12, the heating wire is electrically connected with an electric slip ring 14, and the electric slip ring 14 is used for supplying power to the heating wire. An electrical slip ring 14 is provided on the stirring shaft end.
The process of heating the asphalt mixture by the microwave oven is summarized, and the asphalt mixture is heated by the high-temperature air along with the contact of the high-temperature air and the asphalt mixture which is overturned continuously.
The principle is as follows: through the bituminous mixture in the mobile heating microwave oven of high temperature air, behind the high temperature air heating bituminous mixture, air temperature reduces, then go out the tuber pipe from microwave oven and discharge, after the dust remover removes dust, the air flows to the air heater again, the air heater is once more to the low temperature air heating of outflow to appointed temperature, the continuous heated air of air heater is passed through to this circulation, make high temperature air can always heat the bituminous mixture in the microwave oven to accelerate bituminous mixture's rate of heating. Through the composite action of the microwave, the hot air and the heat conducting oil, the mixture can be rapidly heated to 160-180 ℃, and meanwhile, the temperature of the mixture can be kept for a long time, so that the transportation, pavement and the like are facilitated.
Preferably, the air inlet pipe of the microwave oven and the air outlet pipe of the microwave oven are made of stainless steel.
Preferably, the air heater is provided with an air regulating valve for regulating the air speed.
Specifically, the microwave heating furnace 1 is supported on the supporting legs 8, the air heater 2 and the stirring motor 16 are both arranged on the side support 11, and the side support 11 is connected with the supporting legs 8 and the heating furnace shell. The hot air blower 2 and the stirring motor 16 are respectively arranged at two ends of the microwave heating furnace 1.
As a preferred embodiment, the stirring shaft 12 includes a first stirring shaft and a second stirring shaft, the first stirring shaft is disposed in the heating furnace shell, the first stirring shaft is provided with an oil passage 13 inside, two ends of the first stirring shaft are rotatably connected and sealed with the heating furnace shell, the second stirring shaft is disposed outside the heating furnace shell, and the first stirring shaft and the second stirring shaft are fixedly connected. The electric slip ring 14 is sleeved on the second stirring shaft, and the second stirring shaft is connected with the coupler 15.
Firstly, the utility model discloses characteristics are:
the high temperature air that the air heater produced and the bituminous mixture in the microwave oven flow contact, bituminous mixture makes self be heated under the contact with high temperature air, and simultaneously under the heating of microwave oven microwave, bituminous mixture also can absorb the microwave and produce the heat, reaches the purpose of rapid heating bituminous mixture under high temperature air and microwave heating's combined action, makes the inside microwave heating by of gathering materials simultaneously, makes bituminous mixture's heat insulating ability better.
The following description of the functions and operations of the present invention is specifically as follows:
the air heater is equipped with microwave oven air-out temperature probe and control panel, the last air supply that is provided with of control panel, heating, stop, the temperature sets up, function button such as time setting, control panel is last to have the temperature, electronic screen display panel such as time, user's accessible control panel starts the air heater operation and stops, set up air supply temperature, function such as heating time, the air heater automatic shutdown air supply when the air-out temperature of the microwave oven air-out pipe that microwave oven air-out temperature probe detected reaches the temperature that control panel set for, adjust wind speed and amount of wind through the air regulating valve on the air heater.
Second, description of operation:
the device has simple structure and convenient operation.
1. Starting the microwave heating furnace: before starting, whether the microwave generator and the circuit are normal is checked.
2. Before the equipment is started, whether the furnace body is normal or not is checked.
3. And starting the microwave oven to start heating.
3. Starting the air heater: before starting, whether the circuit of the hot air blower is normal is checked.
4. The air heater is started to operate through the control panel, the heating temperature and time are set, and the air speed and the air quantity are adjusted.
4. And after the heating is finished, discharging the asphalt mixture and waiting for the next heating.
5. The control process is mainly as follows:
(1) in the heating process, if the hot air blower wants to stop heating, the hot air blower stops heating only by pressing a system stop button.
(2) When an unexpected emergency occurs, the emergency stop button is pressed, the equipment can immediately stop running and give an alarm, and after the emergency is relieved, the power supply of the control system needs to be cut off for 10 seconds, then the power supply of the control system is switched on again, and the equipment is manually operated to the original position.
(3) The thickness of the material when the material is loaded can not be less than 100 mm.
The above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify or equally replace the specific embodiments of the present invention, and these modifications or equivalents do not depart from the spirit and scope of the present invention, which is all within the protection scope of the claims of the present invention.
Claims (8)
1. The utility model provides an utilize regeneration pitch heating device of microwave, hot-blast and conduction oil combined heating which characterized in that includes: the device comprises a microwave unit, a hot air unit and a heat conducting oil unit;
the microwave unit comprises a horizontal microwave heating furnace (1); the microwave heating furnace (1) is provided with a stirring shaft (12); an oil duct (13) is arranged in the stirring shaft (12);
the hot air unit comprises an air heater (2), a microwave oven air inlet pipe (3) and a microwave oven air outlet pipe (4), wherein two ends of the microwave oven air inlet pipe (3) are respectively connected with an air outlet of the air heater (2) and an air inlet of a heating furnace shell, and two ends of the microwave oven air outlet pipe (4) are respectively connected with an air inlet of the air heater (2) and an air outlet of the heating furnace shell;
the heat conduction oil unit comprises heat conduction oil, a heating wire and an electric slip ring (14); the heat conducting oil is arranged in an oil duct (13) of the stirring shaft (12), a heating wire is arranged in the oil duct (13), and the heating wire is electrically connected with the electric slip ring (14).
2. The reclaimed asphalt heating device according to claim 1, wherein the microwave heating furnace (1) comprises a stirring motor (16), a heating furnace shell, a microwave generator (9) and stirring blades (10), the microwave generator (9) is uniformly arranged on the outer wall of the heating furnace shell, the stirring shaft (12) is arranged inside the heating furnace shell, the stirring blades (10) are arranged on the stirring shaft (12), and the stirring motor (16) is connected with the end of the stirring shaft (12) through a coupler (15).
3. The reclaimed asphalt heating apparatus according to claim 2, wherein the agitating shaft (12) comprises a first agitating shaft and a second agitating shaft; the first stirring shaft is arranged in the heating furnace shell, the oil duct (13) is arranged in the first stirring shaft, and two ends of the first stirring shaft are rotatably connected and sealed with the heating furnace shell; the second stirring shaft is arranged outside the heating furnace shell, and the first stirring shaft is fixedly connected with the second stirring shaft; the electric slip ring (14) is sleeved on the second stirring shaft, and the second stirring shaft is connected with the coupler (15).
4. The reclaimed asphalt heating apparatus according to claim 2, wherein the microwave heating furnace (1) is supported on the supporting legs (8), the hot air blower (2) and the stirring motor (16) are both arranged on the side supporting seats (11), and the side supporting seats (11) are both connected with the supporting legs (8) and the heating furnace shell; the hot air blower (2) and the stirring motor (16) are respectively arranged at two ends of the microwave heating furnace (1).
5. The reclaimed asphalt heating device according to any one of claims 1 to 4, wherein the hot air blower (2) is provided with a microwave oven air-out temperature measuring probe (6) and a control panel (7), the microwave oven air-out temperature measuring probe (6) is arranged on the shell of the hot air blower (2) and is arranged in the end part of the microwave oven air-out pipe (4); the control panel (7) is electrically connected with the air outlet temperature measuring probe (6) of the microwave oven.
6. The reclaimed asphalt heating apparatus according to any one of claims 1 to 4, wherein the hot air unit further comprises a dust collector (5), and the dust collector (5) is arranged on the air outlet pipe (4) of the microwave oven.
7. The reclaimed asphalt heating apparatus according to any one of claims 1 to 4, wherein the microwave oven air inlet pipe (3) and the microwave oven air outlet pipe (4) are made of stainless steel.
8. The reclaimed asphalt heating apparatus according to any one of claims 1 to 4, wherein the hot air blower (2) is provided with a damper to adjust the air speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021850474.2U CN213203689U (en) | 2020-08-28 | 2020-08-28 | Regenerated asphalt heating device utilizing microwave, hot air and heat conducting oil to perform composite heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021850474.2U CN213203689U (en) | 2020-08-28 | 2020-08-28 | Regenerated asphalt heating device utilizing microwave, hot air and heat conducting oil to perform composite heating |
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| Publication Number | Publication Date |
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| CN213203689U true CN213203689U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021850474.2U Active CN213203689U (en) | 2020-08-28 | 2020-08-28 | Regenerated asphalt heating device utilizing microwave, hot air and heat conducting oil to perform composite heating |
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| CN (1) | CN213203689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960349A (en) * | 2022-04-13 | 2022-08-30 | 周海维 | Preparation process of asphalt concrete with high mixing degree |
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2020
- 2020-08-28 CN CN202021850474.2U patent/CN213203689U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960349A (en) * | 2022-04-13 | 2022-08-30 | 周海维 | Preparation process of asphalt concrete with high mixing degree |
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