A kind of sheet pavement in-situ heat regeneration device
Technical field
The utility model relates to a kind of asphalt pavement construction device, specifically relates to the sheet pavement in-situ heat regeneration device of a kind of leveled heating rake pine and mobile mix.
Background technology
Current domestic and international existing road surface in-situ heat regeneration heating unit, the mode that many employings are directly heated former road surface.Due to the general 4-6 cm thick of regeneration surface layer, heat energy is delivered to bottom needs certain hour and enough energy, the problem of such output is: the asphalt mixture warm of flexible pavement top 1-2 cm thick spends height, generally reach 200 DEG C, but the bitumen layer temperature of bottom 3-6 centimeters only has about 80 DEG C, overall road-surface heating non-uniform phenomenon is very serious; Regenerated road surface comes and goes heating and reaches construction temperature and need 3 heater, causes a large amount of waste of fuel; Flexible pavement can produce a large amount of dark asphalt flue dust, contaminated environment, both uneconomical also not environmentally.
Summary of the invention
Based on above-mentioned technical problem, the utility model provides a kind of sheet pavement in-situ heat regeneration device.
The technical solution that the utility model adopts is:
A kind of sheet pavement in-situ heat regeneration device, comprises the first heater, the second heater coordinates advance work with regeneration mix paver, the first heater, the second heater in order continuously with regeneration mix paver; The flexible pavement described first heater being provided with road pavement 1-2 cm thick carries out the heater heated, and flexible pavement after heating is harrowed loose 1-2 centimetre of dark and spike up apparatus put together as first floor reworked material; The flexible pavement described second heater being provided with road pavement 2-6 cm thick carries out the heater heated, with flexible pavement after heating is harrowed loose 2-6 centimetre of dark and spike up apparatus put together as second layer reworked material, and the first floor reworked material the first heater put together is transferred to the reworked material transfer device above second layer reworked material; Described regeneration mix paver is provided with heating mix cylinder, the reworked material gathering-device heated in mix cylinder is collected in the lump with by first floor reworked material, second layer reworked material, and by the mixture laying that mixes to the cloth spreader on road surface, heating mix cylinder is provided with fired heater.
Preferably, described first heater comprises vehicle body, the heater that first heater is arranged and spike up apparatus are installed on vehicle body, heater comprises heating panel and the heating fuel room for heating panel transmission heat, heating panel is arranged on the middle and lower part of vehicle body, above heating panel, be provided with flue dust conveyance conduit, the tail end of flue dust conveyance conduit is provided with soot processing device; Vehicle body is also provided with power walking device and operating system.
Preferably, described second heater comprises vehicle body, the heater that second heater is arranged, spike up apparatus and reworked material transfer device are installed on vehicle body, heater comprises heating panel and the heating fuel room for heating panel transmission heat, heating panel is arranged on the middle and lower part of vehicle body, above heating panel, be provided with flue dust conveyance conduit, the tail end of flue dust conveyance conduit is provided with soot processing device; Vehicle body is also provided with power walking device and operating system.
Preferably, described reworked material transfer device comprises rewinding scraper bowl, tiltedly material loading conveyer and horizontal conveying belt, oblique material loading conveyer is in tilted layout, be provided with material scraping plate, described rewinding scraper bowl is arranged on the bottom of oblique material loading conveyer, the top of oblique material loading conveyer connects one end of horizontal conveying belt, and the other end of horizontal conveying belt extends to the discharging opening at the second heater rear portion.
Preferably, described regeneration mix paver also comprises the interpolation hopper of new bituminous mixture and horizontally mixes cylinder, add hopper and be sent to heating mix cylinder through material conveyer belt, the reworked material that heating mix cylinder mixes is delivered to through heating mix cylinder discharging opening and horizontally mixes cylinder.
Preferably, spraying device for regeneration agent is installed at described horizontal top of mixing cylinder, and horizontal inside of mixing cylinder is provided with rotating vane, horizontally mixes the material that cylinder mixes and is delivered to cloth spreader through horizontal cylinder discharging opening of mixing.
Preferably, the length of described heating mix cylinder is 5-15 rice, and width is 3-5 rice, and heating mix drum-inclined is arranged, angle of inclination is 1-6 degree.
Preferably, described reworked material gathering-device comprises rewinding scraper bowl, tiltedly material loading conveyer and horizontal conveying belt, oblique material loading conveyer is in tilted layout, be provided with material scraping plate, described rewinding scraper bowl is arranged on the bottom of oblique material loading conveyer, the top of oblique material loading conveyer connects one end of horizontal conveying belt, and the other end of horizontal conveying belt extends to the charging aperture of heating mix cylinder.
Preferably, described regeneration mix paver is also provided with the road surface after to rake pine and carries out the heating panel of heating and thermal insulation and the heating fuel room for heating panel transmission heat, above heating panel, be provided with flue dust conveyance conduit, the tail end of flue dust conveyance conduit is provided with soot processing device.
Preferably, external first warm air duct of described heating mix cylinder and the second warm air duct, the first warm air duct connects fired heater, and the second warm air duct connects heating panel.
Advantageous Effects of the present utility model is:
(1) the utility model adopts the mode of leveled heating, first the first heater by road-surface heating to 70--80 DEG C, first heater rear portion installs a set of spike up apparatus additional, the road surface of heating is first harrowed loose 1-2 centimetre and utilizes the gathering-device of spike up apparatus inside to be collected by the reworked material after rake pine; Second heater is equipped with reworked material transfer device, the reworked material that first heater is collected is moved to heater rear portion, second heater inferior part inferior part road pavement heats, heating-up temperature is at 70-80 DEG C, second heater carries spike up apparatus, loose 2-6 centimetre is harrowed on the road surface of heating again, like this due to point two-layer heating twice rake pine, the efficiency of heating surface significantly improves, heat 140 DEG C of temperature than traditional asphalt heater obviously to reduce, high temperature produces pitch blackness dust and is not also just present in, and regenerated road surface be heated evenly, greatly can save heating fuel.The utility model adopts the heater of 2 difference in functionalitys, both saves cost, reaches again the effect of getting twice the result with half the effort, energy conservation, eliminate asphalt smoke, social benefit and economic benefit fairly obvious.
(2) the utility model regeneration mix paver installs asphalt-regenerating material gathering-device additional, the reworked material that first, second heater puts together is risen in the heating mix cylinder of regeneration mix paver, reheat is carried out to reworked material, reworked material temperature increase after heating is to 140-160 DEG C, the heat that heater produces is reclaimed simultaneously, wherein 50% for regenerating device anterior heating panel road pavement heating and thermal insulation, and another 50% heat is incorporated into heater for cylinder second-time burning; Horizontal the mixing in cylinder that reworked material after heating is delivered to regenerating device postmedian is carried out pressure mix, and spray regenerative agent, regenerating mixture uniformity after mix, comprehensive mechanical index meets the requirement of national regulation completely, and utilizes the cloth spreader at regenerating device rear portion to pave.Regenerating mixture is collected and is carried out reheat by the utility model, ensures the uniform temperature of regenerating mixture, and fully ensure that the uniformity consistency of reworked material mix, improve final decking and rolling temperature, thus fully ensures the quality on the rear road surface of regeneration.
(3) the utility model utilizes the first heater, the second heater and regeneration mix paver totally three covering devices, fully change conventional regeneration machine pave reworked material time temperature low, the difficulty of difficult quality guarantee, greatly improve the pavement quality after regeneration, energy conservation simultaneously, promotes the competitiveness of autonomous innovation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail:
Fig. 1 is the structural representation of the first heater;
Fig. 2 is the structural representation of the second heater;
Fig. 3 is that the trapezoidal ridge shape reworked material that after first and second heater work, reworked material is formed on road surface stacks sectional view;
Fig. 4 is the structural representation of reworked material gathering-device in reworked material transfer device and regeneration mix paver in the second heater;
Fig. 5 is the structural representation of regeneration mix paver;
Fig. 6 is the structural representation heating mix cylinder and sirocco reclamation part in regeneration mix paver;
Fig. 7 is that the utility model three machines coordinate advance work sheet in order continuously.
Detailed description of the invention
By reference to the accompanying drawings, a kind of sheet pavement in-situ heat regeneration device, comprises the first heater 1, second heater 2 and regeneration mix paver 3.First heater 1, second heater 2 coordinates advance work in order continuously with regeneration mix paver 3, as shown in Figure 7.
As shown in Figure 1, the first heater 1 comprises vehicle body 101, and vehicle body 101 is provided with heater, spike up apparatus 102, power walking device and operating system 103.Heater comprises heating panel 104 and heating fuel room 105, and heating fuel room 105 is for transmitting heat for heating panel 104.Heating panel 104 is arranged on the middle and lower part of vehicle body, is provided with flue dust conveyance conduit 106 above heating panel 104, and the tail end of flue dust conveyance conduit 106 is provided with soot processing device 107.Power walking device comprises motor 108 and wheel 109 etc.First heater 1 can front and back and left and right directions move voluntarily, and first utilize heating panel 104 pairs of flexible pavements of heater bottom to heat during work, the travel speed of heater is 0-10km/ hour, and the fuel of heating adopts propane.The heating panel 104 of the middle and lower part of the first heater 1 heats for the flexible pavement of road pavement 1-2 cm thick, and flexible pavement is heated to 70--80 DEG C.Spike up apparatus 102 in the middle part of first heater 1 is dark for flexible pavement being harrowed loose 0-2 centimetre, and collects in the middle of heater, along with heater moves forward, forms a trapezoidal ridge shape reworked material and stacks band, as shown in Figure 3 in the middle of regenerated road surface.Because flexible pavement is only heated to about 70-80 DEG C by this heater, glance coal can not be produced, pavement asphalt mixture softens simultaneously, while rake pine, the grating on former road surface and rubble are not destroyed, and because pitch in the low road surface of heating-up temperature is not also by high temperature ageing, had abundant guarantee to the quality of subsequent regeneration material.
As shown in Figure 2, the second heater 2 comprises vehicle body 201, and vehicle body 201 is provided with heater, spike up apparatus 202, reworked material transfer device 203, power walking device and operating system 204.Heater comprises heating panel 205 and heating fuel room 206, and heating fuel room 206 is for transmitting heat for heating panel 205.Heating panel 205 is arranged on the middle and lower part of vehicle body 201, is provided with flue dust conveyance conduit 207 above heating panel 205, and the tail end of flue dust conveyance conduit 207 is provided with soot processing device 208.Power walking device comprises motor 209 and wheel 2010 etc.As shown in Figure 4, reworked material transfer device 203 comprises rewinding scraper bowl 2031, tiltedly material loading conveyer 2032 and horizontal conveying belt 2033, and oblique material loading conveyer 2032 is in tilted layout, and is provided with material scraping plate 2034.Rewinding scraper bowl 2031 is arranged on the bottom of oblique material loading conveyer 2032, and the top of oblique material loading conveyer 2032 connects one end of horizontal conveying belt 2033, and the other end of horizontal conveying belt 2033 extends to the discharging opening at the second heater 2 rear portion.Second heater 2 can front and back and left and right directions move voluntarily, first the anterior reworked material transfer device 203 of the second heater 2 is utilized, the trapezoidal ridge shape reworked material that first heater advance work is formed is collected, rewinding scraper bowl 2031 utilizes heater forward thrust, ridge shape reworked material is shoveled into the oblique material loading conveyer 2032 with material scraping plate, reworked material to be risen in the middle part of heater and to be transported to heater rear portion discharging opening 2011 through horizontal conveying belt 2033.The heating panel 205 of the second heater middle and lower part heats for the flexible pavement of road pavement 2-6 cm thick, heating-up temperature 70--80 DEG C, and the travel speed of heater is 0-10km/ hour, and the fuel of heating adopts propane.The spike up apparatus 202 of the second heater postmedian flexible pavement is harrowed loose 2-6 centimetre dark, after reworked material is collected spike up apparatus postmedian, along with heater moves forward, in the middle of regenerated road surface, form a trapezoidal ridge shape reworked material stack band, as shown in Figure 3.Second heater 2 front end is collected the first heater reclaimed asphalt mixture of coming and is fallen the second heater by heater rear portion discharging opening 2011 and harrow on loose reworked material, define the trapezoidal ridge shape reworked material of first, second heater leveled heating regeneration, for regeneration mix paver 3.Second heater 2 by road-surface heating to about 70-80 DEG C, glance coal can not be produced, simultaneously pavement asphalt mixture softens, and while rake pine, the grating on former road surface and rubble are not destroyed, reworked material temperature consistency and reworked material uniformity more remarkable than conventional regeneration equipment lifting.
As seen in figs. 5-6, regeneration mix paver 3 comprises vehicle body 301, vehicle body 301 is provided with the interpolation hopper 302 of new bituminous mixture, heating mix cylinder 303, reworked material gathering-device 304, horizontally mixes cylinder 305, cloth spreader, power walking device and operating system 306.Add hopper 302 and be sent to heating mix cylinder 303 through material conveyer belt, the reworked material that heating mix cylinder mixes is delivered to through heating mix cylinder discharging opening 3031 and horizontally mixes cylinder 305.The length of heating mix cylinder 303 is 5-15 rice, and width is 3-5 rice, and heating mix cylinder 303 is low being in tilted layout after front height, angle of inclination is 1-6 degree, be placed in the postmedian of vehicle body 301, heating mix cylinder 303 can autorotation, and rear portion is provided with fired heater 307.The structure of described reworked material gathering-device is with the reworked material transfer device in the second heater, comprise rewinding scraper bowl, tiltedly material loading conveyer and horizontal conveying belt, oblique material loading conveyer is in tilted layout, be provided with material scraping plate, described rewinding scraper bowl is arranged on the bottom of oblique material loading conveyer, the top of oblique material loading conveyer connects one end of horizontal conveying belt, and the other end of horizontal conveying belt extends to the charging aperture 3032 of heating mix cylinder 303.Spraying device for regeneration agent 308 is installed at horizontal top of mixing cylinder 305, and horizontal inside of mixing cylinder is provided with rotating vane 309, horizontally mixes the material that cylinder mixes and is delivered to cloth spreader through horizontal cylinder discharging opening of mixing.Horizontal both sides of mixing cylinder 305 are provided with and control the horizontal hydraulic arm 3020 mixed cylinder 305 and move up and down.Cloth spreader comprises cloth screw feeder 3010 and screed 3011.Power walking device comprises motor 3012 and wheel 3013 etc.
As to further design of the present utility model, described regeneration mix paver is also provided with heating panel 3014 and heating fuel room 3015, above heating panel 3014, be provided with flue dust conveyance conduit 3016, the tail end of flue dust conveyance conduit 3016 is provided with blower fan 3017.Described heating mix cylinder also external blower fan 3017, and connect fired heater 307 by external first warm air duct 3018 of blower fan 3017 and the second warm air duct 3019, first warm air duct 3018, the second warm air duct 3019 connects heating panel 3014.
Regeneration mix paver 3 can front and back and left and right directions move voluntarily.Regeneration mix paver 3 front end is the interpolation hopper 302 of new bituminous mixture, need to carry out mix-design to former road surface before regeneration construction, determine that pavement damage degree can be selected to add 0--30% and newly mix bituminous mixture, the bituminous mixture of newly mixing of interpolation enters through conveyer belt feeding heating mix cylinder 303 from the interpolation hopper 302 of regeneration mix paver front end.Regeneration mix paver direction of advance second skate rear portion is reworked material gathering-device 304, structure as shown in Figure 4, reworked material gathering-device 304 is in order to collect reworked material in heating mix cylinder 303, and what enter with interpolation hopper 302 newly mixes asphalt mixture mixing.Heating mix cylinder 303 length 5-15 rice, width 3-5 rice, after front height, low dip angle is 1--6 degree, be placed in the postmedian of regeneration mix paver vehicle body, heating mix cylinder can autorotation, and rear portion is with fired heater, can will enter the reworked material of cylinder by original 70--80 DEG C, be heated to 140--160 DEG C, fully can ensure the paving material of regenerating mixture like this, ensure grinding compacting.There is heating panel 3014 in regeneration mix paver middle and lower part, Heat preservation is carried out to the road surface after regeneration rake pine, ensure that regeneration zone carries out thermally coupled fully with the loose end face of rake.The reworked material mixed through heating mix cylinder 303 is transported to regeneration the moving up and down horizontal of mix paver 3 the 3rd skate tire rear portion through cylinder rear portion discharging opening 3031 and mixes in cylinder 305, spraying device for regeneration agent 308 is installed at horizontal cylinder 305 top of mixing, the metering that regenerative agent sprays is determined to add regenerant consumption by the ageing of asphalt regeneration test that laboratory is determined in advance, and spraying device for regeneration agent 308 mixes cylinder 305 top horizontal.Horizontal cylinder interior rotating vane 309 of mixing is utilized to carry out regenerative agent and old asphalt mixture mix after sprinkling.Discharge from the horizontal cylinder rear portion discharging opening mixed after mix, through cloth screw feeder 3010, bituminous mixture be evenly distributed to road surface, through screed 3011 by the mixture laying after regeneration on road surface.Reworked material after paving rolls, and the two steel wheel pair of employing drives two vibratory roller and rubber-tyred roller cooperation is carried out, by road surface grinding compacting.Heat mix cylinder 303 in addition to reclaim the hot blast through cylinder in heating process, the blower fan 3017 of drum overhead is utilized to re-use the hot blast of discharging, wherein the hot blast of 50% is recycled through the first warm air duct 3018 and is reused to heater, the hot blast of other 50% is assigned to regeneration mix paver middle and lower part heating panel 3014 through the second warm air duct 3019, carry out the road surface heat insulation work after to rake pine, thus the hot blast that heating mix drum overhead is discharged is utilized fully.
The utility model utilizes the first heater 1, second heater 2 and regeneration mix paver 3 totally three covering devices, fully change conventional regeneration machine pave reworked material time temperature low, the difficulty of difficult quality guarantee, greatly improve the pavement quality after regeneration, energy conservation simultaneously, promotes the competitiveness of autonomous innovation.
The part do not addressed in aforesaid way is taked or uses for reference prior art to realize.
Above only describes general principle of the present utility model and preferred embodiment; it should be pointed out that for a person skilled in the art, under the prerequisite not departing from the utility model structure; can also make some distortion and improvement, these also should be considered as protection domain of the present utility model.