CN105821740A - Regeneration screening device special for old asphalt material - Google Patents

Regeneration screening device special for old asphalt material Download PDF

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Publication number
CN105821740A
CN105821740A CN201610186854.2A CN201610186854A CN105821740A CN 105821740 A CN105821740 A CN 105821740A CN 201610186854 A CN201610186854 A CN 201610186854A CN 105821740 A CN105821740 A CN 105821740A
Authority
CN
China
Prior art keywords
sieve unit
old asphalt
sifting barrel
screening
main body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610186854.2A
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Chinese (zh)
Inventor
孙斌
刘辉明
陈京钰
时海华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanfang Gaoke Engineering Technology Co Ltd
Original Assignee
Nanfang Gaoke Engineering Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanfang Gaoke Engineering Technology Co Ltd filed Critical Nanfang Gaoke Engineering Technology Co Ltd
Priority to CN201610186854.2A priority Critical patent/CN105821740A/en
Publication of CN105821740A publication Critical patent/CN105821740A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/02Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
    • E01C19/10Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
    • E01C19/1004Reconditioning or reprocessing bituminous mixtures, e.g. salvaged paving, fresh patching mixtures grown unserviceable; Recycling salvaged bituminous mixtures; Apparatus for the in-plant recycling thereof

Abstract

The invention relates to an asphalt screening device, in particular to a regeneration screening device special for an old asphalt material. The regeneration screening device comprises a screening barrel body and three transporting channels. A feeding port is formed in the upper portion of the screening barrel body, multiple discharging ports are formed in the side wall and the lower portion of the screening barrel body, a pair of crushing rollers, a first screening unit, a second screening unit and a third screening unit are sequentially arranged in the screening barrel body from top to bottom, the pair of crushing rollers are driven by a pair of first drive mechanisms arranged outside the screening barrel body to rotate oppositely, the hole diameters of multiple through holes formed in the first screening unit are all smaller than 30 mm, the hole diameters of multiple through holes formed in the second screening unit are all smaller than 10 mm, and the hole diameters of multiple through holes formed in the third screening unit are all smaller than 5 mm. The three transporting channels are arranged at the positions of the multiple discharging ports in the side wall of the screening barrel body in a split manner. By the adoption of the regeneration screening device, the old asphalt material is fully and effectively screened according to the grain sizes, so that the requirements of different occasions are met, and meanwhile the screening process is simplified.

Description

Old asphalt special regeneration screening plant
Technical field
The present invention relates to a kind of Colophonium screening plant.It is more particularly related to a kind of old asphalt special regeneration screening plant.
Background technology
Applied of Asphalt Pavement Recycle Technique is the old asphalt pavement overhauled by needs or discard, through digging, reclaim, crush, sieving, gather materials again and newly, new asphalt material suitably coordinates, again mix and stir, form the reclaimed asphalt mixture with certain pavement performance, for the whole set process technology of surfacing surface layer or basic unit.Old asphalt mixture (RAP) be by old pavement through milling, broken after the fragment that obtains, wherein the overwhelming majority is some former road surface mineral aggregates and Bituminous concrete surface bonds pockets of " coalition ", and the most single gathers materials.The difference of the old asphalt mixture of separate sources is the biggest, and the impact of the many factors such as different gratings, different milling thickness, different milling mechanisms causes the conglomeration situation of old compound to there is the biggest difference.Therefore, the pretreatment to bituminous paving milling material is a very important program, and how effectively to be sieved by the milling material of different-grain diameter, is then the most important thing of screening for different occasions.
Summary of the invention
It is an object of the invention to solve at least the above, and the advantage that at least will be described later is provided.
A further object of the invention is that according to particle diameter, old asphalt is carried out sufficiently effective screening, to be applicable to different occasion demands, simplifies screening process simultaneously.
In order to realize object of the present invention and further advantage, it is provided that a kind of old asphalt special regeneration screening plant, including:
Sifting barrel main body, its top is provided with charging aperture, sidewall and lower part are provided with multiple discharging opening, described sifting barrel body interior is disposed with a pair breaker roll, the first sieve unit, the second sieve unit and the 3rd sieve unit from top to bottom, a pair breaker roll rotates under being arranged on the driving of a pair first drive mechanisms of described sifting barrel body exterior in opposite directions, and the spacing between a pair breaker roll is 40~50mm, so that particle diameter is retained in the first receiving space above a pair breaker roll more than the old asphalt of 50mm;Described first sieve unit is arranged on below a pair breaker roll at 0.8~1.0m, the aperture of the multiple through holes offered in described first sieve unit is respectively less than 30mm, to be retained in the second receiving space that a pair breaker roll, the first sieve unit and sifting barrel main body are formed more than the old asphalt of 30mm by particle diameter;Described second sieve unit is arranged on below described first sieve unit at 0.5~0.8m, the aperture of the multiple through holes offered in described second sieve unit is respectively less than 10mm, to be retained in the 3rd receiving space that the first sieve unit, the second sieve unit and sifting barrel main body are formed by the old asphalt that particle diameter is less than 30mm more than 10mm;Described 3rd sieve unit is arranged on below described second sieve unit at 0.3~0.5m, the aperture of the multiple through holes offered in described 3rd sieve unit is respectively less than 5mm, to be retained in the 4th receiving space that the second sieve unit, the 3rd sieve unit and sifting barrel main body are formed by the old asphalt that particle diameter is less than 10mm more than 5mm;The particle diameter old asphalt less than 5mm is then retained in the 5th receiving space below the 3rd sieve unit;
Three transport channels, it sets up the multiple discharge outlet in described sifting barrel main body wall separately, three transport channels are respectively the first transport channel, the second transport channel and the 3rd transport channel, one end of described first transport channel is arranged on the discharge outlet of the 3rd receiving space bottom, is provided with the first bunker for collecting at the other end of described first transport channel;One end of described second transport channel is arranged on the discharge outlet of the 4th receiving space bottom, is provided with the second bunker for collecting at the other end of described second transport channel;One end of described 3rd transport channel is arranged on the discharge outlet of the 5th receiving space bottom, and the other end of described 3rd transport channel is provided with the 3rd bunker for collecting;
Wherein, described first sidewall accommodating space removably connects with described sifting barrel main body, and described first accommodate in space and be provided with a movable scraping plate, described movable scraping plate is connected with the second drive mechanism being arranged on described sifting barrel body exterior, described movable scraping plate is with can be along being arranged on the axle of sifting barrel body top, and the mode reciprocated to the discharging opening direction being arranged on the first receiving space bottom is arranged;First sieve unit, the second sieve unit and the 3rd sieve unit are all arranged horizontal by 30~50 ° of angles, and the higher one end of first sieve unit, the second sieve unit and the 3rd sieve unit is separately fixed on the sidewall of described sifting barrel main body different directions, the relatively low one end of the first sieve unit, the second sieve unit and the 3rd sieve unit is respectively connecting to described second accommodate space, the 3rd accommodate space and the 4th and accommodate the discharge outlet in space.
Preferably, in described old asphalt special regeneration screening plant, three transport channels are positioned at one end of sifting barrel main body higher than other end setting.
Preferably, in described old asphalt special regeneration screening plant, the described second discharge outlet accommodating space is provided with the 4th bunker for collecting, and a sidewall upper of described 4th bunker for collecting extends to the described second discharge outlet accommodating space.
Preferably, in described old asphalt special regeneration screening plant, the pair of sidewalls of three transport channels is provided with 5~10cm high baffle plates.
Preferably, in described old asphalt special regeneration screening plant, the exit of three transport channels is respectively provided with a guided plate, and described guided plate extends to the import department of corresponding bunker for collecting.
Preferably, in described old asphalt special regeneration screening plant, the top of described sifting barrel main body is additionally provided with a sparge pipe, and described sparge pipe is connected at a water pump.
Preferably, in described old asphalt special regeneration screening plant, the exit of described sparge pipe is provided with a shower nozzle, and described shower nozzle is arranged towards described sifting barrel body interior.
The present invention at least includes following beneficial effect: milling, the charging aperture of broken old asphalt screened cylinder body top enter inside it, the old asphalt that particle diameter is bigger is squeezed into less granule under the effect of a pair breaker roll, after old asphalt after extruding sequentially passes through the first sieve unit, the second sieve unit and the 3rd sieve unit, the granule of different-grain diameter is retained in corresponding receiving in space, has so far reached to carry out, according to the size of particle diameter, the purpose sieved.Under the effect of movable scraping plate, sifting barrel main body then it is expelled directly out more than the old asphalt of regulation particle diameter, owing to each sieve unit is all obliquely installed, and be distributed on the different directions of sifting barrel main body, therefore the old asphalt of different-grain diameter is under gravity in three transport channel automatic transportations to corresponding bunker for collecting, reach the effect of the old asphalt disposably screening out the most required particle diameter, whole screening plant simple in construction, screening effect is good.
Part is embodied by the further advantage of the present invention, target and feature by description below, and part is also by by being understood by the person skilled in the art the research of the present invention and practice.
Accompanying drawing explanation
Fig. 1 is the top view of the old asphalt special regeneration screening plant of the present invention;
Fig. 2 is the side view of the old asphalt special regeneration screening plant of the present invention.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art can implement according to this with reference to description word.
Should be appreciated that used herein such as " have ", other element one or more or the existence of a combination thereof or interpolation do not allotted in " comprising " and " including " term.
As shown in Fig. 1~2, the present invention provides a kind of old asphalt special regeneration screening plant, including:
Sifting barrel main body 1, its top is provided with charging aperture, sidewall and lower part are provided with multiple discharging opening, and milling, broken old asphalt are in charging aperture enters sifting barrel main body, and after screening, the old asphalt of different-grain diameter is in multiple discharging openings transport to corresponding bunker for collecting.Described sifting barrel body interior is disposed with a pair breaker roll the 11, first sieve unit the 12, second sieve unit 13 and the 3rd sieve unit 14 from top to bottom, and the first sieve unit, the second sieve unit are respectively, with the 3rd sieve unit, the screen cloth that particle diameter is different.A pair breaker roll rotates under being arranged on the driving of a pair first drive mechanisms 3 of described sifting barrel body exterior in opposite directions, and the spacing between a pair breaker roll is 40~50mm, so that particle diameter is retained in the first receiving space 15 above a pair breaker roll more than the old asphalt of 50mm.Because milling, broken old asphalt size differ, if directly sieving, some material will be wasted, and therefore first passes through a pair breaker roll and tentatively extrudes the old asphalt of big particle diameter, it is ground into smaller particle, is made full use of reclaimed old asphalt as far as possible.Described first sieve unit is arranged on below a pair breaker roll at 0.8~1.0m, the aperture of the multiple through holes offered in described first sieve unit is respectively less than 30mm, to be retained in the second receiving space 16 that a pair breaker roll, the first sieve unit and sifting barrel main body are formed more than the old asphalt of 30mm by particle diameter, this part old asphalt is directly transported out sifting barrel main body because particle diameter is unsatisfactory for use demand.Described second sieve unit is arranged on below described first sieve unit at 0.5~0.8m, the aperture of the multiple through holes offered in described second sieve unit is respectively less than 10mm, to be retained in the 3rd receiving space 17 that the first sieve unit, the second sieve unit and sifting barrel main body are formed by the old asphalt that particle diameter is less than 30mm more than 10mm.Described 3rd sieve unit is arranged on below described second sieve unit at 0.3~0.5m, the aperture of the multiple through holes offered in described 3rd sieve unit is respectively less than 5mm, to be retained in the 4th receiving space 18 that the second sieve unit, the 3rd sieve unit and sifting barrel main body are formed by the old asphalt that particle diameter is less than 10mm more than 5mm.The particle diameter old asphalt less than 5mm is then retained in the 5th receiving space 19 below the 3rd sieve unit.Owing to old asphalt carries out screening process step by step from sifting barrel body top to bottom, the material in each receiving space gradually decreases, and the height in the most each receiving space reduces accordingly, to reduce the whole height of sifting barrel main body.
Three transport channels 2, it sets up the multiple discharge outlet in described sifting barrel main body wall separately, with in time by the old asphalt transport after screening to corresponding bunker for collecting, three transport channels are respectively the first transport channel the 21, second transport channel 22 and the 3rd transport channel 23.One end of described first transport channel is arranged on the discharge outlet of the 3rd receiving space bottom, is provided with the first bunker for collecting 211 at the other end of described first transport channel, to be delivered in the first bunker for collecting by the old asphalt that particle diameter is less than 30mm more than 10mm.One end of described second transport channel is arranged on the discharge outlet of the 4th receiving space bottom, is provided with the second bunker for collecting 221 at the other end of described second transport channel, to be delivered in the second bunker for collecting by the old asphalt that particle diameter is less than 10mm more than 5mm.One end of described 3rd transport channel is arranged on the discharge outlet of the 5th receiving space bottom, and the other end of described 3rd transport channel is provided with the 3rd bunker for collecting 231, to be delivered in the 3rd bunker for collecting less than the old asphalt of 5mm by particle diameter.
Wherein, the described first sidewall accommodating space removably connects with described sifting barrel main body, when old asphalt is transported out sifting barrel main body by needs, to be dismantled by this sidewall, forms discharging opening;And described first accommodate in space and be provided with a movable scraping plate 151, described movable scraping plate is connected with the second drive mechanism 4 being arranged on described sifting barrel body exterior, described movable scraping plate is with can be along the axle 152 being arranged on sifting barrel body top, the mode reciprocated to the discharging opening direction being arranged on the first receiving space bottom is arranged, thus the old asphalt of big particle diameter is transported out sifting barrel main body in time.First sieve unit, the second sieve unit and the 3rd sieve unit are all arranged horizontal by 30~50 ° of angles, so that the old asphalt after Shai Fen skids off discharging opening the most automatically;And the higher one end of first sieve unit, the second sieve unit and the 3rd sieve unit is separately fixed on the sidewall of described sifting barrel main body different directions, the relatively low one end of first sieve unit, the second sieve unit and the 3rd sieve unit is respectively connecting to described second accommodate space, the 3rd accommodate space and the 4th and accommodate the discharge outlet in space, the screening of the old asphalt of different-grain diameter is the most unaffected, sieve respectively, each transport.
In described old asphalt special regeneration screening plant, three transport channels are positioned at one end of sifting barrel main body higher than other end setting, transmission on the most each comfortable transport channel of old asphalt of the different-grain diameter after screening.
In described old asphalt special regeneration screening plant, described second discharge outlet accommodating space is provided with the 4th bunker for collecting 161, one sidewall upper of described 4th bunker for collecting extends to the described second discharge outlet accommodating space, and the second old asphalt accommodated in space is fed directly in the 4th bunker for collecting.
In described old asphalt special regeneration screening plant, the pair of sidewalls of three transport channels is provided with 5~10cm high baffle plates 212/222/232, to prevent old asphalt from sputtering transport channel in course of conveying.
In described old asphalt special regeneration screening plant, the exit of three transport channels is respectively provided with a guided plate 213/223/233, described guided plate extends to the import department of corresponding bunker for collecting, by the old asphalt smooth delivery of power after screening to bunker for collecting, to reduce unrestrained.
In described old asphalt special regeneration screening plant, the top of described sifting barrel main body is additionally provided with a sparge pipe 5, and described sparge pipe is connected at a water pump.When screening, open water pump, in old asphalt, spray a small amount of water, reduce amount of dust, reduce dust pollution as far as possible.
In described old asphalt special regeneration screening plant, the exit of described sparge pipe is provided with a shower nozzle 51, and described shower nozzle is arranged towards described sifting barrel body interior, increases spray area.
Although embodiment of the present invention are disclosed as above, but it is not restricted in description and embodiment listed utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, it is easily achieved other amendment, therefore, under the general concept limited without departing substantially from claim and equivalency range, the present invention is not limited to specific details and shown here as the legend with description.

Claims (7)

1. an old asphalt special regeneration screening plant, it is characterised in that including:
Sifting barrel main body, its top is provided with charging aperture, sidewall and lower part are provided with multiple discharging opening, described sifting barrel body interior is disposed with a pair breaker roll, the first sieve unit, the second sieve unit and the 3rd sieve unit from top to bottom, a pair breaker roll rotates under being arranged on the driving of a pair first drive mechanisms of described sifting barrel body exterior in opposite directions, and the spacing between a pair breaker roll is 40~50mm, so that particle diameter is retained in the first receiving space above a pair breaker roll more than the old asphalt of 50mm;Described first sieve unit is arranged on below a pair breaker roll at 0.8~1.0m, the aperture of the multiple through holes offered in described first sieve unit is respectively less than 30mm, to be retained in the second receiving space that a pair breaker roll, the first sieve unit and sifting barrel main body are formed more than the old asphalt of 30mm by particle diameter;Described second sieve unit is arranged on below described first sieve unit at 0.5~0.8m, the aperture of the multiple through holes offered in described second sieve unit is respectively less than 10mm, to be retained in the 3rd receiving space that the first sieve unit, the second sieve unit and sifting barrel main body are formed by the old asphalt that particle diameter is less than 30mm more than 10mm;Described 3rd sieve unit is arranged on below described second sieve unit at 0.3~0.5m, the aperture of the multiple through holes offered in described 3rd sieve unit is respectively less than 5mm, to be retained in the 4th receiving space that the second sieve unit, the 3rd sieve unit and sifting barrel main body are formed by the old asphalt that particle diameter is less than 10mm more than 5mm;The particle diameter old asphalt less than 5mm is then retained in the 5th receiving space below the 3rd sieve unit;
Three transport channels, it sets up the multiple discharge outlet in described sifting barrel main body wall separately, three transport channels are respectively the first transport channel, the second transport channel and the 3rd transport channel, one end of described first transport channel is arranged on the discharge outlet of the 3rd receiving space bottom, is provided with the first bunker for collecting at the other end of described first transport channel;One end of described second transport channel is arranged on the discharge outlet of the 4th receiving space bottom, is provided with the second bunker for collecting at the other end of described second transport channel;One end of described 3rd transport channel is arranged on the discharge outlet of the 5th receiving space bottom, and the other end of described 3rd transport channel is provided with the 3rd bunker for collecting;
Wherein, described first sidewall accommodating space removably connects with described sifting barrel main body, and described first accommodate in space and be provided with a movable scraping plate, described movable scraping plate is connected with the second drive mechanism being arranged on described sifting barrel body exterior, described movable scraping plate is with can be along being arranged on the axle of sifting barrel body top, and the mode reciprocated to the discharging opening direction being arranged on the first receiving space bottom is arranged;First sieve unit, the second sieve unit and the 3rd sieve unit are all arranged horizontal by 30~50 ° of angles, and the higher one end of first sieve unit, the second sieve unit and the 3rd sieve unit is separately fixed on the sidewall of described sifting barrel main body different directions, the relatively low one end of the first sieve unit, the second sieve unit and the 3rd sieve unit is respectively connecting to described second accommodate space, the 3rd accommodate space and the 4th and accommodate the discharge outlet in space.
2. old asphalt special regeneration screening plant as claimed in claim 1, it is characterised in that three transport channels are positioned at one end of sifting barrel main body higher than other end setting.
3. old asphalt special regeneration screening plant as claimed in claim 1, it is characterized in that, described second discharge outlet accommodating space is provided with the 4th bunker for collecting, and a sidewall upper of described 4th bunker for collecting extends to the described second discharge outlet accommodating space.
4. old asphalt special regeneration screening plant as claimed in claim 1, it is characterised in that be provided with 5~10cm high baffle plates in the pair of sidewalls of three transport channels.
5. old asphalt special regeneration screening plant as claimed in claim 4, it is characterised in that the exit of three transport channels is respectively provided with a guided plate, and described guided plate extends to the import department of corresponding bunker for collecting.
6. old asphalt special regeneration screening plant as claimed in claim 1, it is characterised in that the top of described sifting barrel main body is additionally provided with a sparge pipe, and described sparge pipe is connected at a water pump.
7. old asphalt special regeneration screening plant as claimed in claim 6, it is characterised in that the exit of described sparge pipe is provided with a shower nozzle, and described shower nozzle is arranged towards described sifting barrel body interior.
CN201610186854.2A 2016-03-29 2016-03-29 Regeneration screening device special for old asphalt material Pending CN105821740A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610186854.2A CN105821740A (en) 2016-03-29 2016-03-29 Regeneration screening device special for old asphalt material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610186854.2A CN105821740A (en) 2016-03-29 2016-03-29 Regeneration screening device special for old asphalt material

Publications (1)

Publication Number Publication Date
CN105821740A true CN105821740A (en) 2016-08-03

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Application Number Title Priority Date Filing Date
CN201610186854.2A Pending CN105821740A (en) 2016-03-29 2016-03-29 Regeneration screening device special for old asphalt material

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CN (1) CN105821740A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2087209U (en) * 1990-08-28 1991-10-23 李金波 Reprocess device for slag of bituminous concrete
CN101691732A (en) * 2009-09-07 2010-04-07 江西赣粤高速公路股份有限公司 Technique for crushing and water washing of aggregates on asphalt pavement of high-speed highway
KR101128685B1 (en) * 2011-10-06 2012-03-27 김병구 Recycle drier in apparatus of regenerating waste ascon
CN104480832A (en) * 2014-11-17 2015-04-01 长安大学 Extruded asphalt pavement milling material crushing and screening device
CN204365454U (en) * 2015-01-05 2015-06-03 广东文理职业学院 A kind of disintegrating machine of building engineering construction

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2087209U (en) * 1990-08-28 1991-10-23 李金波 Reprocess device for slag of bituminous concrete
CN101691732A (en) * 2009-09-07 2010-04-07 江西赣粤高速公路股份有限公司 Technique for crushing and water washing of aggregates on asphalt pavement of high-speed highway
KR101128685B1 (en) * 2011-10-06 2012-03-27 김병구 Recycle drier in apparatus of regenerating waste ascon
CN104480832A (en) * 2014-11-17 2015-04-01 长安大学 Extruded asphalt pavement milling material crushing and screening device
CN204365454U (en) * 2015-01-05 2015-06-03 广东文理职业学院 A kind of disintegrating machine of building engineering construction

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Application publication date: 20160803