CN203007778U - Plant-mixed hot recycled asphalt mixture device - Google Patents
Plant-mixed hot recycled asphalt mixture device Download PDFInfo
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- CN203007778U CN203007778U CN 201220543396 CN201220543396U CN203007778U CN 203007778 U CN203007778 U CN 203007778U CN 201220543396 CN201220543396 CN 201220543396 CN 201220543396 U CN201220543396 U CN 201220543396U CN 203007778 U CN203007778 U CN 203007778U
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- asphalt mixture
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- reworked material
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Abstract
The utility model discloses a novel plant-mixed hot recycled asphalt mixture device. The device comprises a fresh material conveying system, a recycled material conveying system and a mixing station for mixing a fresh material and a recycled material to form a finished material, wherein each of the fresh material conveying system and the recycled material conveying system comprises a plurality of material cooling bins, at least one heating drying drum, at least one set of aggregate screening system for screening the heated recycled material into multiple different specifications according to the particle diameters and at least two hot material bins for storing the screened hot material with different specifications. By adopting the plant-mixed hot recycled asphalt mixture device, the recycled asphalt material is heated and screened, so that adverse factors that the conventional plant-mixed hot recycled asphalt mixture product cannot effectively control grading, the adding quantity of the recycled material is low and the like are eliminated, the adding proportion of the recycled material is improved by 2 to 3 folds, the stability of the mixing station is improved, and the finished product grade and the quality of the asphalt mixture can be controlled according to the proportion required by the conventional construction specification.
Description
Technical field
The application relates to bituminous mixture and reclaims field, particularly a kind of device of hot in-plant reclaimed asphalt mixture.
Background technology
In recent years, along with the development of highway construction, on the one hand, the old asphalt mixture that the highway medium-capital overhauling produces increased year by year, caused a large amount of solid refuses; On the other hand, the making flexible pavement needs again a large amount of pitch and building stones again, needs more produce new pitch and quarrying stone, brings the huge wasting of resources to society.The asphalt mixture hot-mix plant recycling technology can be the asphalt regenerative method that present industry is most widely used with discarded bituminous mixture through processing regenerated utilization, has avoided new resource consumption, has promoted the recycling of existing resource.
At present, the mixed ratio that reclaims asphalt pavement material (RAP) is generally 20%～30%, and is generally lower to the utilization rate that reclaims asphalt pavement material.Be mainly according to situations such as the bitumen content that reclaims asphalt pavement material, grating variation, regeneration processing device, processing technologys, the actual conditions that the incorporation engineering design and construction requires are specifically determined newly to gather materials and the mixed ratio example that reclaims asphalt pavement material.
The utility model content
The application provides a kind of device of hot in-plant reclaimed asphalt mixture, it is by having carried out the techniques such as heating, sieve classification to reworked material before virgin material and reworked material mix, improved the working control level of bituminous mixture construction match ratio grating and performance of asphalt mixture, and then the increase that realizes strengthening reworked material mixed ratio example in reclaimed asphalt mixture.
The application provides a kind of device of hot in-plant reclaimed asphalt mixture, it is characterized in that, comprising:
Virgin material induction system, reworked material induction system and virgin material and reworked material are carried out mix and blend to form the blending station of finished product material;
Described virgin material induction system comprises that a plurality of cold burden storehouses, at least one the first drying drum, at least one covers with the virgin material heating in cold burden storehouse for storing virgin material are used for the virgin material after heating according to the particle size screening for the first aggregate screening system of a plurality of different sizes, at least one is used for storage through first hot aggregate bin of the different size virgin material that sieves;
Described reworked material induction system comprises that a plurality of reworked material cold burden storehouses for the store regenerated material, at least one the second drying drum, at least one cover with the reworked material heating in reworked material cold burden storehouse are used for the reworked material after heating is used for storage through the second hot aggregate bins of the different size reworked material that sieves according to the particle size screening for the second aggregate screening system of a plurality of different sizes, at least two;
Virgin material in described the first hot aggregate bin and the reworked material in the second hot aggregate bin export to according to the mixed ratio example and carry out mix and blend in described mixing station.
Preferably, described mixing station further comprises the metering device of at least a screening specification of the hot screening quality after heating for reworked material, and one is mixed cylinder;
Virgin material in described the first hot aggregate bin and the reworked material in the second hot aggregate bin export described mixing to according to the mixed ratio example and carry out mix and blend in cylinder.
As seen from the above technical solution, the device of the application's hot in-plant reclaimed asphalt mixture, to the asphalt-regenerating material heat, sieve classification, the techniques such as sieve classification, improved the working control level of bituminous mixture construction match ratio grating and performance of asphalt mixture, and then the increase that realizes strengthening reworked material mixed ratio example in reclaimed asphalt mixture.
Description of drawings
Fig. 1 is the structural representation of the device of hot in-plant reclaimed asphalt mixture of the present utility model.
The specific embodiment
For the purpose, technical scheme and the advantage that make the application is clearer, referring to the accompanying drawing embodiment that develops simultaneously, the application is further described.
The utility model also provides a kind of device that uses the said method reclaimed asphalt mixture.Fig. 1 is the structural representation of the device of hot in-plant reclaimed asphalt mixture of the present utility model.As shown in Figure 1, device of the present utility model mainly comprises virgin material induction system, reworked material induction system and virgin material and reworked material is carried out mix and blend to form the blending station of finished product material.
Wherein, the virgin material induction system comprises that a plurality of cold burden storehouse 1, at least one the first drying drum 3, at least one covers with the virgin material heating in cold burden storehouse 1 for storing virgin material are used for the virgin material after heating according to the particle size screening for the first aggregate screening system 6 of a plurality of different sizes, at least one is used for storage through first hot aggregate bin 7 of the different size virgin material that sieves.
The reworked material induction system comprises that a plurality of reworked material cold burden storehouses 9 for the store regenerated material, at least one the second drying drum 13, at least one cover with the reworked material heating in reworked material cold burden storehouse 9 are used for the reworked material after heating is used for storage through the second hot aggregate bins 15 of the different size reworked material that sieves according to the particle size screening for the second aggregate screening system 14 of a plurality of different sizes, at least two;
Reworked material in virgin material in the first hot aggregate bin 7 and the second hot aggregate bin 15 exports blending station to according to the mixed ratio example and mixes and carry out mix and blend in cylinder.
Be provided with before virgin material and reworked material mix due to the device of hot in-plant reclaimed asphalt mixture of the present utility model reworked material has been carried out heating, screening, change present hot in-plant reclaimed asphalt mixture product material and can not effectively control many unfavorable factors such as grating, reworked material addition be little, make the adding proportion of reworked material improve 1-2 doubly, increase the stability of mixing station, and can require proportioning to control finished product grating and the quality of bituminous mixture according to existing job specfication.
Further, what mixing station further comprised at least a screening specification is used for the hot screening quality metering device of reworked material after heating, and one is mixed cylinder 8; Reworked material in virgin material in the first hot aggregate bin 7 and the second hot aggregate bin 15 exports to mix by regeneration thermotherapy induction system 16 and carries out mix and blend in cylinder 8 according to the mixed ratio example.
Further, the cold burden storehouse 1 in the virgin material induction system is used for storing the virgin material of low temperature, i.e. cold burden, and it adopts single storehouse Split type structure form.Virgin material in cold burden storehouse 1 is delivered to the first drying drum 3 by conveyor dispenser 2.The first drying drum 3 is heated to set point of temperature with virgin material, removes moisture.Wherein, the first drying drum 3 adopts fricting transmissioning mode, and its transmission mechanism comprises: shaft-mounted motor reducer → friction pulley → drying drum rolling ring.
The virgin material induction system further is included as the burner 4 that the first drying drum 3 promotes temperature, it adopts low pressure oil, high-pressure blast burning form, the use fuel range is wide, can adopt heavy oil, light oil, natural gas, liquefied petroleum gas etc., do not need special combustion chamber (heavy oil and residual oil need heating, filter, and require viscosity not higher than 90SSU).
Heat material through the first drying drum 3 heating is delivered to the first aggregate screening system 6 by noria 5, it uses one deck mesh structure at least, operate steadily, easy to use, do not need to change screen cloth when needs change compound footpath grain, and the exciting force size is adjustable.
Virgin material through the first aggregate screening system 6 screenings is stored in the first hot aggregate bin 7 according to different size, and the first hot aggregate bin 7 has at least 1 storehouse and at least 1 bin gate.Each storehouse includes a cover metering system, to measure its quality.
The reworked material cold burden storehouse 9 of reworked material induction system is used for storing the regeneration cold burden after the road-surface milling, and it adopts single storehouse Split type structure form.Reworked material in reworked material cold burden storehouse 9 is delivered to the second drying drum 13 by reworked material conveyor dispenser 10.The second drying drum 13 is heated to set point of temperature with reworked material, removes moisture.The second drying drum 13 adopts fricting transmissioning mode, and its transmission mechanism comprises: shaft-mounted motor reducer → friction pulley → drying drum rolling ring.After reworked material is thrown into the second drying drum 13, reworked material is mentioned and fall in cylinder uniformly with material curtain shape by the lifting blade that carries out particular design, being beneficial to carry out sufficient heat exchange with the hot flue gas that produces that burns.Be that reworked material heats owing to having adopted hot-blast stove; so generally flame can't enter cylinder inside; adopt special thermal protection blade; to guarantee in this district without the formation of material curtain; guarantee that flame fully burns; and form topping between flame and drying drum wall, outwards scatter and disappear in order to reduce the heat of burning generation.
The reworked material induction system further is included as the burner 12 that the second drying drum 13 promotes temperature, and it adopts the dual-purpose full-automatic numerical control low-pressure burner of a weight oil, can produce short and thick flame.Burner 12 further comprises the combustion chamber, and flame is converted into high warm flue gas in the combustion chamber, makes reworked material not contact naked light, to prevent the high temperature ageing of reworked material.
Heat material through the second drying drum 13 heating is delivered to the second aggregate screening system 14 by reworked material noria 11, it uses one deck mesh structure at least, operate steadily, easy to use, do not need to change screen cloth when needs change compound footpath grain, and the exciting force size is adjustable.
Virgin material through the second aggregate screening system 14 screenings is stored in the second hot aggregate bin 15 according to different size, and the second hot aggregate bin 15 has at least two storehouses and at least two bin gates.Each storehouse includes a cover metering system, to measure its quality.
according to above technical scheme, the device of hot in-plant reclaimed asphalt mixture of the present utility model is before reworked material and virgin material mixing, first carry out reworked material the second drying drum heating, block reworked material is separated, reworked material is divided into the material of particle size different size through the screening of Vibration Screen extension set again, and send in the MM feed bin of the corresponding particle diameter of bituminous mixture blending station, new interpolation building stones 7 are transferred on conveyor 9 from the cold burden storehouse according to the mixture gradation designing requirement, enter into the first drying drum heating virgin material, pass through noria, the material that will meet the drop temperature requirement is sent to the aggregate screening system, sequentially deposit into by size respectively hot aggregate bin after screening, requirement according to new mix proportion design, after heat material metering to hot aggregate bin, hot reworked material and hot virgin material together enter compound and mix cylinder 14 and stir, finished product material after mixing is by induction system 15, entering finished bin 16 preserves.
Be provided with before virgin material and reworked material mix due to the device of hot in-plant reclaimed asphalt mixture of the present utility model reworked material has been carried out heating, screening, change present hot in-plant reclaimed asphalt mixture product material and can not effectively control many unfavorable factors such as grating, reworked material addition be little, make the adding proportion of reworked material improve 1-2 doubly, increase the stability of mixing station, and can require proportioning to control finished product grating and the quality of bituminous mixture according to existing job specfication.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of the utility model protection.
Claims (8)
1. the device of a hot in-plant reclaimed asphalt mixture, is characterized in that, comprising:
Virgin material induction system, reworked material induction system and virgin material and reworked material are carried out mix and blend to form the blending station of finished product material;
Described virgin material induction system comprises that a plurality of cold burden storehouses, at least one the first drying drum, at least one covers with the virgin material heating in cold burden storehouse for storing virgin material are used for the virgin material after heating according to the particle size screening for the first aggregate screening system of a plurality of different sizes, at least one is used for storage through first hot aggregate bin of the different size virgin material that sieves;
Described reworked material induction system comprises that a plurality of reworked material cold burden storehouses for the store regenerated material, at least one the second drying drum, at least one cover with the reworked material heating in reworked material cold burden storehouse are used for the reworked material after heating is used for storage through the second hot aggregate bins of the different size reworked material that sieves according to the particle size screening for the second aggregate screening system of a plurality of different sizes, at least two;
Virgin material in described the first hot aggregate bin and the reworked material in the second hot aggregate bin export to according to the mixed ratio example and carry out mix and blend in described blending station.
2. the device of hot in-plant reclaimed asphalt mixture according to claim 1, is characterized in that, described mixing station further comprises the metering device of at least a screening specification of the hot screening quality after heating for reworked material, and one is mixed cylinder;
Virgin material in described the first hot aggregate bin and the reworked material in the second hot aggregate bin export described mixing to according to the mixed ratio example and carry out mix and blend in cylinder.
3. the device of hot in-plant reclaimed asphalt mixture according to claim 2, is characterized in that, the described cylinder of mixing comprises Double-horizontal-shaft batch mixer by Dual-motors Driving.
4. the device of hot in-plant reclaimed asphalt mixture according to claim 1, is characterized in that, comprises that further at least one is used to store the finished bin of described finished product material.
5. the device of hot in-plant reclaimed asphalt mixture according to claim 1, is characterized in that, described the first aggregate screening system and/or the second aggregate screening system comprise one deck screen cloth at least.
6. the device of hot in-plant reclaimed asphalt mixture according to claim 1, is characterized in that,
Described virgin material induction system further comprises for the virgin material lifting appliance that virgin material is promoted to the first aggregate screening system;
Described reworked material induction system further comprises for the reworked material lifting appliance that reworked material is promoted to the second aggregate screening system.
7. the device of hot in-plant reclaimed asphalt mixture according to claim 1, is characterized in that, described virgin material induction system further comprises the first burner due to the temperature that the first drying drum is provided.
8. the device of hot in-plant reclaimed asphalt mixture according to claim 1, is characterized in that, described reworked material induction system further comprises the second burner for the temperature that improves the second drying drum,
Described the second burner further comprises the combustion chamber, and the high warm flue gas that described the second burner generates in the combustion chamber exports the second drying drum to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220543396 CN203007778U (en) | 2012-10-23 | 2012-10-23 | Plant-mixed hot recycled asphalt mixture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220543396 CN203007778U (en) | 2012-10-23 | 2012-10-23 | Plant-mixed hot recycled asphalt mixture device |
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| CN203007778U true CN203007778U (en) | 2013-06-19 |
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| CN 201220543396 Expired - Fee Related CN203007778U (en) | 2012-10-23 | 2012-10-23 | Plant-mixed hot recycled asphalt mixture device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105664783A (en) * | 2016-03-29 | 2016-06-15 | 福建铁拓机械有限公司 | Anti-sticking asphalt stirring device and anti-sticking asphalt stirring method |
| CN105696440A (en) * | 2016-01-25 | 2016-06-22 | 广西大学 | Waste rubber powder special charging device and charging method capable of computation weighing |
| CN105970773A (en) * | 2016-07-08 | 2016-09-28 | 宁波天意钢桥面铺装技术有限公司 | Recycled asphalt mixing station and mixing pot thereof |
| CN106192679A (en) * | 2016-08-30 | 2016-12-07 | 华煜建设集团有限公司 | A kind of asphalt mixture heat regeneration combination production equipment |
| CN106480802A (en) * | 2016-12-01 | 2017-03-08 | 三汽车制造有限公司 | Pitch heating system and asphalt mixing plant |
| CN108018756A (en) * | 2017-11-28 | 2018-05-11 | 郎溪县恒云工程机械有限公司 | Container-type environment-friendly type asphalt mixing plant |
| CN108330779A (en) * | 2018-04-12 | 2018-07-27 | 无锡市万方电子有限公司 | A kind of pitch mixer control system |
| CN111395107A (en) * | 2020-03-26 | 2020-07-10 | 江苏港顺新材料有限公司 | Energy-saving and environment-friendly asphalt concrete production system and production method |
| CN111851207A (en) * | 2020-06-12 | 2020-10-30 | 福建省铁拓机械股份有限公司 | High-parameter-ratio plant mixing heat regeneration equipment |
-
2012
- 2012-10-23 CN CN 201220543396 patent/CN203007778U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696440A (en) * | 2016-01-25 | 2016-06-22 | 广西大学 | Waste rubber powder special charging device and charging method capable of computation weighing |
| CN105664783A (en) * | 2016-03-29 | 2016-06-15 | 福建铁拓机械有限公司 | Anti-sticking asphalt stirring device and anti-sticking asphalt stirring method |
| CN105664783B (en) * | 2016-03-29 | 2018-01-12 | 福建铁拓机械有限公司 | A kind of anti-stick pan asphalt stirring device and method |
| CN105970773A (en) * | 2016-07-08 | 2016-09-28 | 宁波天意钢桥面铺装技术有限公司 | Recycled asphalt mixing station and mixing pot thereof |
| CN106192679A (en) * | 2016-08-30 | 2016-12-07 | 华煜建设集团有限公司 | A kind of asphalt mixture heat regeneration combination production equipment |
| CN106480802A (en) * | 2016-12-01 | 2017-03-08 | 三汽车制造有限公司 | Pitch heating system and asphalt mixing plant |
| CN108018756A (en) * | 2017-11-28 | 2018-05-11 | 郎溪县恒云工程机械有限公司 | Container-type environment-friendly type asphalt mixing plant |
| CN108018756B (en) * | 2017-11-28 | 2019-10-29 | 郎溪县恒云工程机械有限公司 | Container-type environment-friendly type asphalt mixing plant |
| CN108330779A (en) * | 2018-04-12 | 2018-07-27 | 无锡市万方电子有限公司 | A kind of pitch mixer control system |
| CN111395107A (en) * | 2020-03-26 | 2020-07-10 | 江苏港顺新材料有限公司 | Energy-saving and environment-friendly asphalt concrete production system and production method |
| CN111851207A (en) * | 2020-06-12 | 2020-10-30 | 福建省铁拓机械股份有限公司 | High-parameter-ratio plant mixing heat regeneration equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20161023 |