CN207331411U - A kind of multistage sheet pavement in-situ heat regeneration equipment - Google Patents

Abstract

The utility model discloses a kind of multistage sheet pavement in-situ heat regeneration equipment, including steel bracket and steel pipe support, one end of steel bracket to be fixedly connected with one end of steel pipe support by some connecting rods；The top of the steel pipe support is installed with burner, the right end of burner is connected with milling material lifting device, second air blower is installed in the steel pipe support, the steel pipe support lower end is connected with hot wind jet apparatus, the external heat conduction steel pipe of burner, the heat conduction fastener for connection is in the inside of steel pipe support；The steel bracket bottom is provided with road-surface heating plate, the road-surface heating intralamellar part is provided with metal fiber felt, the utility model is heated and softened using mode of heating road pavement pitch twice, and by the way of multistage-combination heating and softening, every grade is all heated and dug milling；The temperature strength of heating is reduced, digs the very thin pitch of milling every time；This addresses the problem once plane milling to need temperature higher, has the problem of pitch loses activity.

Description

A kind of multistage sheet pavement in-situ heat regeneration equipment

Technical field

Hot in-place recycling technology field is the utility model is related to, is specially that a kind of multistage sheet pavement in-situ heat regeneration is set It is standby.

Background technology

As traffic loading aggravates and increases, the requirement to road intensity is consequently increased, and is especially subject to the energy of heavy duty Power, therefore road maintenance maintenance is also just increasingly important.The increase of traffic loading causes the abrasion, deformation, cracking on road surface etc. various The damage of form.These damages reduce the security of road travel, block traffic, ultimately result in the generation of traffic accident.Road The mesh of road maintenance is, various weathers and under the conditions of, provide a safety, comfortable, straightway roadway for vehicle Face.

I mainly includes in excessively existing asphalt pavement conserving reparation：Preventive maintenance, prosthetic maintenance, road surface renovation and road Face is rebuild.Prosthetic maintenance refers to, for repairing the local lesion on road surface or the maintenance work of certain specific diseases, mainly cheat Groove repair and the local renovation on crack repairing and road surface, it is necessary to maintenance work amount it is big.Currently used construction technology has：Heat Benefit, hot reproduction repairing, emulsified asphalt injection repairing etc..

At present, for bituminous paving vulcanize or hot reproduction repairing technology in, the heating for pitch mainly utilizes naked light Heating is since it is desired that combustion oil, construction site pyrotechnics is very big, and environmental pollution is heavier, before the mode of heating generally used is all Domestic is all one-time heating and plane milling, since the temperature of one-time heating is very high, causes many pitches because temperature is excessive Two lose activity.

Utility model content

To achieve the above object, the utility model provides following technical solution：A kind of multistage sheet pavement in-situ heat regeneration Equipment, including vehicle body hanger, it is characterised in that the vehicle body hanger is divided into two sections, wherein one section is solid steel bracket, separately One section is hollow steel pipe support, and one end of the steel bracket is fixedly connected with one end of steel pipe support by some connecting rods；

The top of the steel pipe support is installed with burner, and the top of the burner is equipped with old material adding mouth, institute The right end for stating burner is connected with milling material lifting device, and the second air blower, the steel pipe branch are provided with the steel pipe support Frame lower end is connected with hot wind jet apparatus, and the external heat conduction steel pipe of burner, the heat conduction fastener for connection is in steel pipe branch The inside of frame；

The steel bracket bottom is provided with road-surface heating plate, and the road-surface heating intralamellar part is provided with metal fiber felt, The upper end middle of the road-surface heating plate is equipped with ventilation shaft, and the ventilation shaft is connected with the first air blower, and described first Air blower is connected with controller, and the controller is connected with ignitor and flame sensor, and the ignitor is located at respectively Both ends in road-surface heating plate, the ventilation shaft is interior to be equipped with solenoid valve, and the solenoid valve is controlled by controller, the electromagnetism Valve is connected with air collector, and manually valve is connected on gas tank the air collector；

The milling material lifting device includes milling wheel and milling material lifting cavity, the upper end of the milling material lifting cavity Left side is exported equipped with milling material, and milling material import, the milling wheel installation are equipped with the right side of the lower end of the milling material lifting cavity In the right end of milling material import, upper and lower ends are respectively fixedly mounted a roller in the milling material lifting cavity, the roller it Between by transmitting band connection, be equidistantly trapezoidal hopper equipped with some cross sections on the conveyer belt, milling material outlet Be connected with old material conveyer belt, one end of the old material conveyer belt is located above old material adding mouth, the old material conveyer belt it is another End is positioned at milling material outlet lower section.

As a kind of preferable technical solution of the utility model, the steel pipe support includes tilting fixed steel pipe, described to incline Semicircle installation cavity is tiltedly equipped with below one end of fixed steel pipe, the semicircle installation cavity is used to install the second air blower, the inclination The other end connection hot wind steel pipe of fixed steel pipe, the outlet of the hot wind steel pipe are connected to inside hot wind jet apparatus, and described Hot wind steel pipe side connection heat conduction steel pipe, the other end connection reflux steel pipe for tilting fixed steel pipe, the reflux steel pipe It is connected to inside hot wind jet apparatus.

As a kind of preferable technical solution of the utility model, the hot wind jet apparatus includes back cavity, the reflux Intracavitary is provided with jet flow chamber, and some hot-blast spray nozzles, the upper end table of the jet flow chamber are evenly distributed with the bottom plate of the jet flow chamber Face connects hot wind steel pipe, and the bottom of the back cavity is the opening contacted with road surface, and the both ends of the back cavity are equipped with baffle, institute Two end surfaces of baffle and back cavity are stated in 45 ° -60 ° of angle, the upper right side connection reflux steel pipe of the back cavity.

As a kind of preferable technical solution of the utility model, the top end surface for tilting fixed steel pipe and burner Surface is provided with thermal insulation layer.

As a kind of preferable technical solution of the utility model, the heat conduction steel pipe is located at one end import of burner internal Equipped with steel wire, and the heat conduction steel pipe is inclined upwardly, and the heat conduction steel pipe is equipped with a valve.

As a kind of preferable technical solution of the utility model, the burner uses boiler type burner, is divided into fuel Sleeve and material sleeve, the fuel sleeve are installed in material sleeve, and the fuel sleeve and material sleeve are coaxially connected, The fuel sleeve connects with heat conduction steel pipe.

As a kind of preferable technical solution of the utility model, the upper end of the material sleeve is equipped with new pitch nozzle, institute State new pitch nozzle and pitch collecting tank is connected with by arc pipe, the material sleeve right end is connected with miscellaneous material outlet, described Miscellaneous material is exported to there is a lower end inclination, and the miscellaneous material outlet is equipped with a manual switch valve.

As a kind of preferable technical solution of the utility model, the controller is using ARM microcontrollers as core processing Device, the ARM microcontrollers are powered by the power supply of 220V/50Hz, and the ARM microcontrollers receive the sensing of flame sensor Signal, judges to whether there is flame in road-surface heating plate, then repeats to open ignitor without flame.

Compared with prior art, the beneficial effects of the utility model are：The utility model is satisfied the need using mode of heating twice Face pitch is heated and softened, wherein once heat and soften be using in road-surface heating plate using metal fiber felt in burning As fever member, the liquefied petroleum gas in gas tank is pressed to provide the sky needed for burning by the first air blower as heat source in using Gas, the power of air blower is regulated and controled by controller, so as to adjust the transfer rate of air, and then is controlled the temperature of heating, is realized The heating means of temperature Multistage adjustable, avoid high-temperature heating lower so that pavement asphalt loses activity；Secondary softening is to utilize to incite somebody to action Heat in burner is transmitted to steel pipe support by heat conduction steel pipe, and will be burnt by the second air blower inside steel pipe support The heat of device is delivered to hot wind jet apparatus, so as to earthward spray hot-air flow, road pavement pitch by hot wind jet apparatus Realize that secondary heating softens, for the utility model by the way of multistage-combination heating and softening, every grade is all heated and dug milling；It will add The temperature strength of heat reduces, and digs the very thin pitch of milling every time；This addresses the problem once plane milling to need temperature higher, has pitch The problem of losing activity.

Brief description of the drawings

Fig. 1 is the utility model overall structure diagram；

In figure：1- vehicle body hangers；2- steel brackets；3- steel pipe supports；4- connecting rods；5- burners；6- old material adding mouths；7- Milling material lifting device；8- hot wind jet apparatus；9- road-surface heating plates；10- heat conduction steel pipes；11- thermal insulation layers；12- steel wires； 13- valves.

The second air blowers of 301-；302- tilts fixed steel pipe；303- semicircle installation cavitys；304- hot wind steel pipes；305- flows back Steel pipe；

501- fuel sleeves；502- material sleeves；503- new pitch nozzles；504- arc pipes；505- pitch collecting tanks； The miscellaneous material outlets of 506-；507- manual switch valves；

701- milling wheels；702- milling materials lift cavity；703- milling materials export；704- milling material imports；705- rollers； 706- conveyer belts；707- hoppers；708- old material conveyer belts；

801- back cavities；802- jet flow chambers；803- hot-blast spray nozzles；804- is open；805- baffles；

901- metal fiber felts；902- ventilation shafts；The first air blowers of 903-；904- controllers；905- ignitors； 906- flame sensors；907- solenoid valves；908- air collectors；909- hand-operated valves；910- gas tanks.

Embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained, shall fall within the protection scope of the present invention.

In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ", The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that For the limitation to the utility model.In addition, term " first ", " second " etc. are only used for description purpose, and it is not intended that instruction Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined Feature can express or implicitly include one or more this feature.In the description of the utility model, unless separately It is described, " multiple " are meant that two or more.

Embodiment

As shown in Figure 1, the utility model provides a kind of technical solution：A kind of multistage sheet pavement in-situ heat regeneration equipment, Including vehicle body hanger 1, the vehicle body hanger 1 is divided to for two sections, wherein one section is solid steel bracket 2, another section is hollow Steel pipe support 3, one end of the steel bracket 2 are fixedly connected with one end of steel pipe support 3 by some connecting rods 4；

The top of the steel pipe support 3 is installed with burner 5, and the top of the burner 5 is equipped with old material adding mouth 6, melt for the pavement asphalt of milling to be added to burner high temperature, the right end of the burner 5 is connected with milling material and carries Device 7 is risen, the second air blower 301 is installed in the steel pipe support 3,3 lower end of steel pipe support is connected with hot wind jet flow dress 8 are put, described 5 external heat conduction steel pipes 10 of burner, the heat conduction steel pipe 10 is connected to the inside of steel pipe support 3；This practicality It is new by the way that the heat in burner 5 is transmitted to steel pipe support 3 by heat conduction steel pipe 10, and by steel pipe support 10 inside The heat of burner 5 is delivered to hot wind jet apparatus 8 by the second air blower 301, so as to earthward be sprayed by hot wind jet apparatus 8 Go out hot-air flow, road pavement pitch realizes that secondary heating softens, and the heat conduction steel pipe 10 is located at one end import inside burner 5 Equipped with steel wire 12, and the heat conduction steel pipe 10 is inclined upwardly, and the heat conduction steel pipe 10 is equipped with a valve 13, steel wire Net 12 is used to avoid chip from entering heat conduction steel pipe 12, is to avoid the pitch after thawing from flying by 10 acclivitous purpose of heat conduction steel pipe It is flow to after splashing heat conduction steel pipe 10 to hot wind steel pipe 304.

The steel pipe support 3 includes tilting fixed steel pipe 302, the top end surface for tilting fixed steel pipe 302 and burning The surface of device 5 is provided with thermal insulation layer 11, and described tilt is equipped with semicircle installation cavity 303 below the one end for fixing steel pipe 302, and described half Circle installation cavity 303 is used to install the second air blower 301, described to tilt the other end connection hot wind steel pipe 304 for fixing steel pipe 302, The outlet of the hot wind steel pipe 304 is connected to inside hot wind jet apparatus 8, and the side connection of the hot wind steel pipe 304 is led Hot steel pipe 10, the other end connection reflux steel pipe 305 for tilting fixed steel pipe 302, the reflux steel pipe 305 are connected to hot wind Inside jet apparatus 8, the steel pipe support 3 is used as the part of core support by tilting fixed steel pipe 302, by the second air blast Machine 301 is installed inside it, is sent heat to hot wind jet apparatus 8 by hot wind steel pipe 304, and send to hot wind jet apparatus 8 hot-air flow is back to reflux steel pipe 305, is sent through the steel pipe 305 that flows back to the fixed steel pipe 302 of inclination and carry out two by road surface Secondary utilization.

2 bottom of steel bracket is provided with road-surface heating plate 9, and metallic fiber is provided with inside the road-surface heating plate 9 Felt 901, the upper end middle of the road-surface heating plate 9 are equipped with ventilation shaft 902, and the ventilation shaft 902 is connected with the first drum Wind turbine 903, first air blower 903 are connected with controller 904, and the controller 904 is connected with ignitor 905 and flame Sensor 906, the both ends in road-surface heating plate 9, the ventilation shaft 902 are interior equipped with electricity respectively for the ignitor 905 Magnet valve 907, the solenoid valve 907 are controlled by controller 904, and the solenoid valve 907 is connected with air collector 908, the gas collection Manually valve 909 is connected on gas tank 910 tank 908；Once heated and softened, adopted by 9 road pavement of road-surface heating plate The liquefied petroleum gas in gas tank 910 is pressed in using as heat source as fever member in burning by the use of metal fiber felt 901, by First air blower 903 provides the air needed for burning, the power of air blower is regulated and controled by controller 904, so as to adjust air Transfer rate, and then the temperature of heating is controlled, realize the heating means of temperature Multistage adjustable, avoid high-temperature heating lower so that road Face pitch loses activity, and the controller 904 is passed through using ARM microcontrollers as core processor, the ARM microcontrollers The power supply power supply of 220V/50Hz, after controller 904 is powered, solenoid valve 907 is opened, and the first air blower 903 operates, liquefied gas warp Pipeline is flowed out into air collector 908 through solenoid valve 907, and road surface heating plate, at this time, controller control are entered after being mixed with air Ignitor 905 processed is struck sparks, mixture combustion, and the direct road pavement of infrared ray sent is heated, meanwhile, flame sensor Directly feedback is in controller 904 for 906 signals detected, if not detecting flame, system repeats to light a fire automatically, and igniting is still It is unsuccessful, then gas electromagnetic valve 907 is turned off, work light alarm, ignitor referred herein is a portion of igniter Point, by the ignitor of igniter as road-surface heating intralamellar part, and its switch is controlled by controller, realize igniting.

The milling material lifting device 7 includes milling wheel 701 and milling material lifting cavity 702, and the milling material lifts chamber Milling material outlet 703 is equipped with the left of the upper end of body 702, be equipped with the right side of the lower end of the milling material lifting cavity 702 milling material into Mouth 704, the milling wheel 701 are installed on the right end of milling material import 704, and the milling material lifts upper and lower ends in cavity 701 A roller 705 is respectively fixedly mounted, is connected between the roller 705 by conveyer belt 706, on the conveyer belt 706 equidistantly It is trapezoidal hopper 707 equipped with some cross sections, the milling material outlet 703 is connected with old material conveyer belt 708, and the old material passes One end of band 708 is sent to be located at the top of old material adding mouth 6, the other end of the old material conveyer belt 708 is located under milling material outlet 703 Side, when milling wheel 701 operates, after pavement asphalt milling, with the rotation of milling wheel 701, passes through milling material import 704 by it As the trapezoidal hopper 707 being obliquely installed on conveyer belt 706 is transmitted to milling material outlet 703, when trapezoidal hopper 707 is located at During right side, upward, during positioned at left side, automatic discharging downward, is realized in its port, by the asphalt delivery paper after road-surface milling for its port On old material conveyer belt 708, and then it is delivered in old material adding mouth 6, is sent into the processing of 5 high temperature melt of burner.

The hot wind jet apparatus 8 includes back cavity 801, and jet flow chamber 802, the spray are provided with the back cavity 801 Flow and some hot-blast spray nozzles 803 are evenly distributed with the bottom plate of chamber 802, the upper end face connection hot wind steel pipe of the jet flow chamber 802 304, the bottom of the back cavity 801 is the opening 804 contacted with road surface, and the both ends of the back cavity 801 are equipped with baffle 805, Two end surfaces of the baffle 805 and back cavity 801 are in 45 ° -60 ° of angle, and the upper right side connection of the back cavity 801 flows back Steel pipe 305, the hot-air flow transported out from hot wind steel pipe 304 sprays to road surface by the hot-blast spray nozzle 803 of jet flow chamber 802, right Pavement asphalt carries out secondary heating softening, by the hot-air flow on road surface, due to the effect of two side shields 805, by airflow reflux To the back cavity 801 in the outside of jet flow chamber 802, reflux steel pipe 305 is delivered to by back cavity 801, is delivered to from reflux steel pipe 305 Tilt the fixed inside of steel pipe 302 and carry out secondary use.

The burner 5 uses boiler type burner, is divided into fuel sleeve 501 and material sleeve 502, the fuel sleeve 501 are installed in material sleeve 502, and the fuel sleeve 501 and material sleeve 502 are coaxially connected, the fuel sleeve 501 Connect with heat conduction steel pipe 10；The upper end of the material sleeve 502 is equipped with new pitch nozzle 503, and the new pitch nozzle 503 passes through Arc pipe 504 is connected with pitch collecting tank 505, and 502 right end of material sleeve is connected with miscellaneous material outlet 506, the miscellaneous material Outlet 506 is to there is a lower end inclination, and the miscellaneous material outlet 506 is equipped with a manual switch valve 507, by fuel sleeve 501 are installed among material sleeve 502, and the outer ring of burner is material sleeve 502, can for melting the pitch after milling With volume greatly since the pitch after milling is separated with debris, debris is located at bottom, is slowly slipped to inclined miscellaneous material outlet 506 Place, and pitch is then ejected into pitch collecting tank 505 by new pitch nozzle 503.

The new pitch that the pitch collecting tank is collected into can be connected to by connecting a pipeline in pitch collecting tank bottom The hopper of bituminous concrete paver directly uses again.

Wherein adjust can be by the way of hydraulic-driven for the height of milling wheel, it is existing common technology, the utility model And special adaptations need not be carried out to it.And the bituminous concrete paver is that asphalt is equal with reference to Baidupedia It is even to pave on roadbase, and carry out the machinery of preliminary jolt ramming and leveling.It is divided to two kinds of crawler type and rubber-tyred.By drawing, spreading out Paving and jolt ramming, ironing two parts composition.The former include rack, power set, running gear, hopper, bin gate, drag conveyer, Helical spreader and driver's cabin etc..The latter includes draft arm, jolt ramming mechanism and ironing machine by screed, caliper profiler, arch Spend the composition such as adjuster and heating unit.

The utility model has the advantage of：The utility model using mode of heating road pavement pitch twice heat soft Change, wherein once heating and softening is generated heat member in the conduct of burning using metal fiber felt using in road-surface heating plate, use Liquefied petroleum gas in middle pressure gas tank provides the air needed for burning by the first air blower, passes through controller tune as heat source The power of air blower is controlled, so as to adjust the transfer rate of air, and then the temperature of heating is controlled, realizes temperature Multistage adjustable Heating means, avoid high-temperature heating lower so that pavement asphalt loses activity；Secondary softening is to utilize to lead to the heat in burner Cross heat conduction steel pipe and be transmitted to steel pipe support, and the heat of burner is delivered to by heat by the second air blower inside steel pipe support Wind jet apparatus, so as to earthward spray hot-air flow by hot wind jet apparatus, road pavement pitch realizes that secondary heating softens, For the utility model by the way of multistage-combination heating and softening, every grade is all heated and dug milling；The temperature strength of heating is reduced, The very thin pitch of plane milling every time；This addresses the problem once plane milling to need temperature higher, has the problem of pitch loses activity.

It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation Involved claim.

Claims (8)

1. a kind of multistage sheet pavement in-situ heat regeneration equipment, including vehicle body hanger (1), it is characterised in that the vehicle body hanger (1) it is divided into two sections, wherein one section is solid steel bracket (2), another section is hollow steel pipe support (3), the steel branch One end of frame (2) is fixedly connected with one end of steel pipe support (3) by some connecting rods (4)；

The top of the steel pipe support (3) is installed with burner (5), and the top of the burner (5) is added equipped with old material Mouth (6), the right end of the burner (5) are connected with milling material lifting device (7), second are provided with the steel pipe support (3) Air blower (301), steel pipe support (3) lower end are connected with hot wind jet apparatus (8), and external one of the burner (5) is led Hot steel pipe (10), the heat conduction steel pipe (10) are connected to the inside of steel pipe support (3)；

Steel bracket (2) bottom is provided with road-surface heating plate (9), and metal fibre is provided with inside the road-surface heating plate (9) Felt (901) is tieed up, the upper end middle of the road-surface heating plate (9) is equipped with ventilation shaft (902), and the ventilation shaft (902) is even The first air blower (903) is connected to, first air blower (903) is connected with controller (904), controller (904) connection There are ignitor (905) and flame sensor (906), the ignitor (905) is located at two in road-surface heating plate (9) respectively End, the ventilation shaft (902) is interior to be equipped with solenoid valve (907), and the solenoid valve (907) is controlled by controller (904), described Solenoid valve (907) is connected with air collector (908), and manually valve (909) is connected to gas tank (910) to the air collector (908) On；

The milling material lifting device (7) includes milling wheel (701) and milling material lifting cavity (702), the milling material lifting Milling material outlet (703) is equipped with the left of the upper end of cavity (702), is equipped with the right side of the lower end of the milling material lifting cavity (702) Milling material import (704), the milling wheel (701) are installed on the right end of milling material import (704), and the milling material lifts cavity (702) roller (705) is respectively fixedly mounted in interior upper and lower ends, is connected between the roller (705) by conveyer belt (706), Equipped with some cross sections it is equidistantly trapezoidal hopper (707) on the conveyer belt (706), the milling material outlet (703) is even Old material conveyer belt (708) is connected to, one end of the old material conveyer belt (708) is located above old material adding mouth (6), and the old material passes The other end of band (708) is sent to be located at below milling material outlet (703).

A kind of 2. multistage sheet pavement in-situ heat regeneration equipment according to claim 1, it is characterised in that：The steel pipe branch Frame (3) includes tilting fixed steel pipe (302), and semicircle installation cavity is equipped with below described one end for tilting fixed steel pipe (302) (303), the semicircle installation cavity (303) is used to install the second air blower (301), described to tilt the another of fixed steel pipe (302) End connection hot wind steel pipe (304), the outlet of the hot wind steel pipe (304) are connected to hot wind jet apparatus (8) inside, and described The side connection heat conduction steel pipe (10) of hot wind steel pipe (304), the other end connection reflux steel pipe for tilting fixed steel pipe (302) (305), it is internal to be connected to hot wind jet apparatus (8) for the reflux steel pipe (305).

A kind of 3. multistage sheet pavement in-situ heat regeneration equipment according to claim 1 or 2, it is characterised in that：The heat Wind jet apparatus (8) includes back cavity (801), and jet flow chamber (802), the jet flow chamber are provided with the back cavity (801) (802) some hot-blast spray nozzles (803), the upper end face connection hot wind steel of the jet flow chamber (802) are evenly distributed with bottom plate Manage (304), the bottom of the back cavity (801) is the opening (804) contacted with road surface, and the both ends of the back cavity (801) are set There is a baffle (805), two end surfaces of the baffle (805) and back cavity (801) are in 45 ° -60 ° of angle, the back cavity (801) upper right side connection reflux steel pipe (305).

A kind of 4. multistage sheet pavement in-situ heat regeneration equipment according to claim 2, it is characterised in that：It is described to tilt admittedly The surface of the top end surface and burner (5) of determining steel pipe (302) is provided with thermal insulation layer (11).

A kind of 5. multistage sheet pavement in-situ heat regeneration equipment according to claim 4, it is characterised in that：The heat conduction steel One end import that pipe (10) be located inside burner (5) is equipped with steel wire (12), and the heat conduction steel pipe (10) is to updip Tiltedly, the heat conduction steel pipe (10) is equipped with a valve (13).

A kind of 6. multistage sheet pavement in-situ heat regeneration equipment according to claim 1, it is characterised in that：The burner (5) boiler type burner is used, is divided into fuel sleeve (501) and material sleeve (502), the fuel sleeve (501) is installed on In material sleeve (502), and the fuel sleeve (501) and material sleeve (502) are coaxially connected, the fuel sleeve (501) Connect with heat conduction steel pipe (10).

A kind of 7. multistage sheet pavement in-situ heat regeneration equipment according to claim 6, it is characterised in that：The material set The upper end of cylinder (502) is equipped with new pitch nozzle (503), and the new pitch nozzle (503) is connected with drip by arc pipe (504) Blue or green collecting tank (505), material sleeve (502) right end are connected with miscellaneous material outlet (506), and the miscellaneous material outlet (506) is to having Lower end tilts, and the miscellaneous material outlet (506) is equipped with a manual switch valve (507).

A kind of 8. multistage sheet pavement in-situ heat regeneration equipment according to claim 1, it is characterised in that：The controller (904) using ARM microcontrollers as core processor, the ARM microcontrollers are powered by the power supply of 220V/50Hz, and institute The transducing signal that ARM microcontrollers receive flame sensor (906) is stated, judges to whether there is flame in road-surface heating plate, does not have Flame then repeats to open ignitor.