CN203475304U - Continuous type recycled asphalt mixture stirring device - Google Patents

Abstract

A continuous type recycled asphalt mixture stirring device comprises a drying and stirring roller, a support, a driving device and a burner. The drying and stirring roller is erected on the support through the driving device in an inclined mode, the drying and stirring roller and the horizontal plane form a first diversion included angle with one end of the drying and stirring roller high and the other end of the drying and stirring roller low, the higher end of the drying and stirring roller is an original raw material inlet end, the lower end of the drying and stirring roller is a recycled material inlet end, a conical roller is arranged in the drying and stirring roller, the conical roller and the drying and stirring roller are coaxially arranged, the roller wall of the lower portion of the conical roller is downward arranged in an inclined mode from the end close to the recycled material inlet end to the end away from the recycled material inlet end, a second diversion included angle is formed between the conical roller and the horizontal plane, a material cavity for containing a mixture is formed between the outer wall of the conical roller and the drying and stirring roller, and a mixture outlet is formed in the roller wall of the lower portion of the material cavity. By means of the continuous type recycled asphalt mixture stirring device, original raw materials and recycled materials can be simultaneously dried, meanwhile, the original raw materials and the recycled materials are mixed and stirred, production efficiency of the recycled asphalt mixture is improved, and the investment of device cost is reduced.

Description

A kind of continous way reclaimed asphalt mixture mixing plant

Technical field

The utility model relates to asphalt pavement maintenance machine tool apparatus field, more specifically refers to a kind of continous way regeneration asphalt mix and blend equipment.

Background technology

Flexible pavement have driving steady, comfortable, noise is low, maintenance is convenient and be easy to the advantages such as recovery, at home and abroad in highway and urban road, flexible pavement is as the major structural types of high class pavement and widely application, in the construction of flexible pavement, maintenance, can produce a large amount of waste asphalt pavement materials, this has not only caused the waste of material, and severe contamination ring increasing border, has increased again the expense of transporting, process waste asphalt pavement material simultaneously.Regeneration techniques can reduce new resources exploitation, save road maintenance cost, has significant economic benefit, is therefore more and more applied.

Therefore, extensive use waste asphalt pavement material regeneration equipment is recycled waste asphalt pavement material both at home and abroad, to address the above problem.Yet common double-deck drying roller can only be dried a kind of bituminous material on the market at every turn, its efficiency is very low.And the Chinese invention patent that publication No. is CN103103908A discloses a kind of drying drum for asphalt mixture, comprise cylindrical shell, support, drive unit and burner, cylindrical shell is erected on support and with the height that is of horizontal plane formation certain angle and arranges, cylindrical shell comprises inner barrel and outer cylinder body, the feed end of inner barrel and outer cylinder body and discharge end are respectively equipped with charging aperture and discharging opening, between inner barrel and outer cylinder body, be formed for holding the material cavity of asphalt material, and the discharging opening of inner barrel is not communicated with material cavity.Although this drying roller can be dried two kinds of different asphaltene simultaneously, and cannot make two kinds of asphaltene mix, can only discharging stir to the mixing plant of setting up in addition, so not only increase equipment cost, and its production efficiency be not high.

Summary of the invention

The utility model provides a kind of continous way reclaimed asphalt mixture mixing plant, although can be dried two kinds of asphaltene and cannot make the shortcomings such as mixing of materials stirring to solve existing asphalt mixing plant simultaneously.

The utility model adopts following technical scheme:

A kind of continous way reclaimed asphalt mixture mixing plant, comprise and dry mix cylinder, support, drive unit and burner, described burner is connected with described oven dry mix cylinder, described oven dry mix cylinder is located on described support by described drive unit tilting rack and is arranged with the height that horizontal plane forms the first water conservancy diversion angle, wherein, higher-end is former raw material feed end, compared with low side, it is regeneration feed end, in described oven dry mix cylinder, be provided with one and be connected the conical drum for delivery of reworked material with described regeneration feed end, described conical drum and described oven dry mix cylinder coaxially arrange, the bottom barrel of this conical drum by near reworked material feed end to being tilted to lower setting away from reworked material feed end and forming the second water conservancy diversion angle with horizontal plane, between the outer wall of described conical drum and described oven dry mix cylinder, be formed for holding the material chamber of compound, the bottom barrel of described material chamber is provided with a compound discharging opening.

Further, the higher-end of described oven dry mix cylinder is provided with former raw material charging aperture, compared with low side, is provided with reworked material charging aperture, and described former raw material charging aperture and reworked material charging aperture are individually fixed on described support.

Further, described oven dry mix cylinder comprises primary hopper and surrounds the mixing hopper of described material chamber, and wherein, the cross section external diameter that mixes hopper is greater than primary hopper arbitrary cross section external diameter.

Further, the inwall of described primary hopper is provided with blade, and described blade comprises by the spiral guide blade of extremely arranging successively away from higher-end near oven dry mix cylinder higher-end, containing material blade and lifting blade.

Further, the inwall of described conical drum is provided with blade, and described blade comprises by extremely arranging successively spiral guide blade, rake lifting blade and chain lifting blade away from reworked material feed end near reworked material feed end; The outer wall of described conical drum is provided with several stirring vanes, and each stirring vane comprises mixing arm and mix blade, and described mixing arm distributes in the shape of a spiral, and mix blade is an even angle to be arranged, is also provided with antiseized annular chains between described mixing arm.

Further, on the outer wall of described conical drum, be also provided with a plurality of material toggling blades so that compound from described compound discharge hole for discharge.

This mixing plant also comprises dust arrester, device for recovering powder and pitch metering and conveying device, described oven dry mix cylinder is also provided with compound exhanst gas outlet compared with low side, described compound exhanst gas outlet is connected in described dust arrester, described pitch metering and conveying device is connected to described material chamber by a bitumen pipeline, and described device for recovering powder is also connected to described material chamber.

From the above-mentioned description to the utility model structure, compared to the prior art, the utlity model has following advantage:

1, the asphalt mixing plant of this structure is set up conical drum in drying mix cylinder, can realize former raw material and reworked material synchronously dries, former raw material and reworked material can carry out mix and blend in drying mix cylinder simultaneously, greatly improve the production efficiency of reclaimed asphalt mixture, reduced the input of equipment cost; Device for recovering powder is also delivered to the dust of recoverable dries mix and blend in mix cylinder, cost-saving, is beneficial to environmental protection.

2, reworked material, from charging in the conical drum away from burner one end, prevents that it from causing the problems such as its local ageing because of excess Temperature.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the sectional view that the utility model is dried mix cylinder and conical drum;

Fig. 3 is the front view of the utility model conical drum.

The specific embodiment

The specific embodiment of the present utility model is described with reference to the accompanying drawings.

With reference to Fig. 1, a kind of continous way reclaimed asphalt mixture mixing plant, comprise and dry mix cylinder 1, support 2, drive unit 3,burner 4, dust arrester 5, device for recovering powder 6 and pitch metering and conveying device (not shown in FIG.), dry that mix cylinder 1 is located on support 2 by drive unit 3 tilting racks and arrange with the height that horizontal plane forms the first water conservancy diversion angle, wherein, higher-end is former raw material feed end, compared with low side, is regeneration feed end.Dry mix cylinder 1 and be comprised of with themixing hopper 12 with regeneration feed end theprimary hopper 11 with former raw material feed end, wherein, the cross section external diameter that mixeshopper 12 is greater thanprimary hopper 11 arbitrary cross section external diameters.Mix hopper 12 and be provided with one and be connected theconical drum 7 for delivery of reworked material with regeneration feed end, the outer wall ofconical drum 7 with mix thematerial chamber 13 that is formed for holding compound betweenhopper 12 inside walls.Conical drum 7 coaxially arranges with drying mix cylinder 1, the bottom barrel ofconical drum 7 by near reworked material feed end to being tilted to lower setting away from reworked material feed end and forming the second water conservancy diversion angle with horizontal plane.Mix on the lower wall of hopper near regeneration feed end and offer a compound discharging opening 120.

The former raw material feed end ofprimary hopper 11 is provided with a former rawmaterial charging aperture 111, and the regeneration feed end thatmixes hopper 12 is provided with a reworkedmaterial charging aperture 121, and former rawmaterial charging aperture 111 and reworkedmaterial charging aperture 121 are individually fixed on described support 2.Mix hopper 12 and be also provided with compoundexhanst gas outlet 122, compoundexhanst gas outlet 122 is connected in dust arrester 5, and pitch metering and conveying device is connected tomaterial chamber 13 by a bitumen pipeline 8, and device for recovering powder 6 is also connected tomaterial chamber 13.

With reference to Fig. 2, the inwall ofprimary hopper 11 is provided with blade, this blade comprises by thespiral guide blade 112 of extremely arranging successively away from higher-end near oven dry mix cylinder higher-end, containingmaterial blade 113 andlifting blade 114, containingmaterial blade 113, can avoid former raw material directly to contact with naked light, prevent the problems such as former raw material local ageing, and liftingblade 114 can be mentioned former raw material formation material curtain, fully interchange of heat is carried out in contact.The inwall ofconical drum 7 is provided with blade, and this blade comprises by extremely arranging successivelyspiral guide blade 71,rake lifting blade 72 andchain lifting blade 73 away from reworked material feed end near reworked material feed end; The outer wall ofconical drum 7 is provided with several stirringvanes 74, each stirringvane 74 comprises mixing arm 741 and mix blade 742, mixing arm 741 distributes in the shape of a spiral, and mix blade 742 is an even angle to be arranged, is also provided with antiseized annular chains 75 between mixing arm 741.Conical drum 7 near being also provided with a plurality ofmaterial toggling blades 76 on the outer wall of reworked material feed end so that compound from 120 dischargings of compound discharging opening.

Former raw material and reworked material are respectively from drying two endfeeds of mix cylinder 1, and the opposite direction rotating of two kinds of raw materials, mixes in last oven dry mix cylinder belowconical drum 7 discharge ends, and fully mix under stirringvane 74 effects ofconical drum 7 outer walls.

The asphalt mixing plant of this structure is set upconical drum 7 in drying mix cylinder 1, can realize former raw material and reworked material synchronously dries, former raw material and reworked material can carry out mix and blend in drying mix cylinder 1 simultaneously, greatly improve the production efficiency of reclaimed asphalt mixture, reduced the input of equipment cost; Device for recovering powder is also delivered to the dust of recoverable dries mix and blend in mix cylinder, cost-saving, is beneficial to environmental protection.

Above are only the specific embodiment of the present utility model, but design concept of the present utility model is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the utility model, all should belong to the behavior of invading the utility model protection domain.

Claims (8)

1. a continous way reclaimed asphalt mixture mixing plant, comprise and dry mix cylinder, support, drive unit and burner, described burner is connected with described oven dry mix cylinder, described oven dry mix cylinder is located on described support by described drive unit tilting rack and is arranged with the height that horizontal plane forms the first water conservancy diversion angle, wherein, higher-end is former raw material feed end, compared with low side, it is regeneration feed end, it is characterized in that: in described oven dry mix cylinder, be provided with one and be connected the conical drum for delivery of reworked material with described regeneration feed end, described conical drum and described oven dry mix cylinder coaxially arrange, the bottom barrel of this conical drum by near reworked material feed end to being tilted to lower setting away from reworked material feed end and forming the second water conservancy diversion angle with horizontal plane, between the outer wall of described conical drum and described oven dry mix cylinder, be formed for holding the material chamber of compound, the bottom barrel of described material chamber is provided with a compound discharging opening.

2. a kind of continous way reclaimed asphalt mixture mixing plant as claimed in claim 1, it is characterized in that: the higher-end of described oven dry mix cylinder is provided with former raw material charging aperture, compared with low side, be provided with reworked material charging aperture, described former raw material charging aperture and reworked material charging aperture are individually fixed on described support.

3. a kind of continous way reclaimed asphalt mixture mixing plant as claimed in claim 1, it is characterized in that: described oven dry mix cylinder comprises primary hopper and surrounds the mixing hopper of described material chamber, wherein, the cross section external diameter of mixing hopper is greater than primary hopper arbitrary cross section external diameter.

4. a kind of continous way reclaimed asphalt mixture mixing plant as claimed in claim 3, it is characterized in that: the inwall of described primary hopper is provided with blade, described blade comprises by the spiral guide blade of extremely arranging successively away from higher-end near oven dry mix cylinder higher-end, containing material blade and lifting blade.

5. a kind of continous way reclaimed asphalt mixture mixing plant as claimed in claim 1, it is characterized in that: the inwall of described conical drum is provided with blade, described blade comprises by extremely arranging successively spiral guide blade, rake lifting blade and chain lifting blade away from reworked material feed end near reworked material feed end.

6. a kind of continous way reclaimed asphalt mixture mixing plant as claimed in claim 1, it is characterized in that: the outer wall of described conical drum is provided with several stirring vanes, each stirring vane comprises mixing arm and mix blade, described mixing arm distributes in the shape of a spiral, mix blade is an even angle to be arranged, is also provided with antiseized annular chains between described mixing arm.

7. a kind of continous way reclaimed asphalt mixture mixing plant as claimed in claim 1, is characterized in that: on the outer wall of described conical drum, be also provided with a plurality of material toggling blades so that compound from described compound discharge hole for discharge.

8. a kind of continous way reclaimed asphalt mixture mixing plant as claimed in claim 3, it is characterized in that: this mixing plant also comprises dust arrester, device for recovering powder and pitch metering and conveying device, described oven dry mix cylinder is also provided with compound exhanst gas outlet compared with low side, described compound exhanst gas outlet is connected in described dust arrester, described pitch metering and conveying device is connected to described material chamber by a bitumen pipeline, and described device for recovering powder is also connected to described material chamber.

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