CN101817659B - Composite road surface intensifier and production method thereof - Google Patents
Composite road surface intensifier and production method thereof Download PDFInfo
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- CN101817659B CN101817659B CN201010104440A CN201010104440A CN101817659B CN 101817659 B CN101817659 B CN 101817659B CN 201010104440 A CN201010104440 A CN 201010104440A CN 201010104440 A CN201010104440 A CN 201010104440A CN 101817659 B CN101817659 B CN 101817659B
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Abstract
The invention relates to a composite road surface intensifier and a production method thereof. The composite road surface intensifier comprises the following components in part by weight: 29 to 34 parts of PE, 10 to 16 parts of rock asphalt, 13 to 21 parts of rubber powder, 2 to 4 parts of diatomite, 4 to 8 parts of silicon dioxide and 27 to 37 parts of protolignin. The production method comprises the following steps of: mixing and pulverizing the granular PE and the rubber powder into a dualistic mixture, wherein the temperature is lower than 60 DEG C; fully mixing the dualistic mixture, the rock asphalt, the diatomite, the silicon dioxide and the protolignin to form a multiplex mixture; and extruding the multiplex mixture into irregular particles with particle diameter of between 3 and 6 mm by using a plastic particle machine, wherein the temperature is lower than 120 DEG C during extrusion. The composite road surface intensifier has the advantages that: the asphalt mixture on the SMA road surface has simple field production and operation, namely a granular formulation is thrown into a mixture stirrer, so that the performance of the original SMA mixture is kept, and the anti-tracking capacity is stronger and the cost is lower.
Description
Technical field
The present invention relates to a kind of composite road surface intensifier and working method thereof, this composite road surface intensifier is mainly used in the compound of producing motorway, airfield runway and heavily loaded traffic road surface.
Background technology
Existing road surface intensifier; Matrix pitch is modified as new modifying asphalt; Need a kind of properties-correcting agent and matrix pitch be adopted a kind of hybrid technique, original matrix pitch is generated a kind of new modifying asphalt, again modifying asphalt mixed with building stones, wood fibre; Produce a kind of SMA (english abbreviation of " Stone Matrix Asphalt "; Chinese is " asphalt-mastic-broken stone ") the road surface compound, this SMA compound improves a lot than traditional performance of asphalt mixture, is usually used in motorway, airfield runway and heavily loaded traffic road surface.But this SMA compound production technique needs at last mix with wood fibre, avoiding in the production process of toughener, making PE, rock asphalt become liquid state and absorbed by wood fibre, thus the effect of reduction wood fibre; The big production cost that increases of volume owing to wood fibre; Again since wood fibre to account for the ratio of SMA compound less, be difficult to mix, anti-rut performance and weather resistance that this has just reduced the road surface can not satisfy growing heavily loaded transport need at present.
Summary of the invention
The present invention aims to provide a kind of composite road surface intensifier and working method thereof; Change existing material property and production technique; To solve complex manufacturing, the cost height that prior art exists, anti-rut performance can not satisfy the problem of at present growing heavily loaded transport need.
Technical scheme of the present invention is: a kind of composite road surface intensifier is characterized in that its component and parts by weight are respectively PE:29～34, rock asphalt: 10～16, rubber powder 13～21, zeyssatite 2～4, silicon-dioxide 4～8 and wood fibre 27～37.
The working method of the described composite road surface intensifier of a kind of claim 1 is characterized in that, may further comprise the steps:
(1) granular PE and rubber powder are mixed with described part by weight, add in the steel mill that has refrigerating unit and pulverize, working temperature is lower than 60 ℃, and with anti-aging, the binary compound behind the wearable is not more than 20 orders.
(2) described binary compound and rock asphalt, zeyssatite, silicon-dioxide and wood fibre thorough mixing are become polynary compound, wherein rock asphalt, zeyssatite and silicon-dioxide granularity are 200～500 orders; The length of wood fibre is sieved with 150 eye mesh screens less than 6mm, and percent of pass is 60%-80%, and ash is less than 18%, and the pH value is 6～8, and moisture content is less than 4%.
(3) use the shaping granulator with the irregular particle of described polynary compound extruding, be prone to disperse during for the ease of extruding and use, add less than the volatility liquid dispersed of compound 5% oily during extruding as particle diameter 3～6mm; Influence the fiber oil absorbency for preventing that the aging of product is rotten, want water to cool during extruding, temperature is lower than 120 ℃, does not cause PE, rock asphalt to become liquid state and is absorbed by wood fibre.
Described steel mill comprises frame, main shaft, quiet abrasive disc, moving abrasive disc, stock pan, PWR PLT and transmission rig, and conical quiet abrasive disc opening is installed on the frame down, and main shaft vertically is rotatably installed on the frame, and passes the axle center hole of quiet abrasive disc; Conical moving abrasive disc is fixedly mounted on the main shaft, and matches with the inboard of this quiet abrasive disc; Hopper is equipped with at top at this quiet abrasive disc, below this quiet abrasive disc and moving abrasive disc, stock pan is housed; Described main shaft is in transmission connection through transmission rig and PWR PLT; Be provided with the cooling cavity in the inside of described quiet abrasive disc, on this quiet abrasive disc, be provided with quench liquid inlet and cooling liquid outlet with this cooling cavity conducting.
The bottom surface of described stock pan tilts to an end, and the lowest part in this bottom surface is provided with discharge port.
Described shaping granulator comprises extrusion die plate, extrusion spiral and extruding PWR PLT; One end of this extrusion spiral and this extruding PWR PLT are in transmission connection; The other end of this extrusion spiral is installed extrusion die plate; This extrusion die plate the top be covered with the moulding hole, around this extrusion die plate inside and moulding hole, be provided with the cooling cavity that is interconnected, be respectively equipped with the quench liquid entrance and exit at the upper and lower ends of this cooling cavity.
The invention has the beneficial effects as follows: the present invention produces a kind of particulate state matrix pitch additive that collects multiple material element through new production technique; Make the operation of SMA pavement asphalt compound situ production easier; Promptly to this a kind of granule of compound stirrer input; The performance that can keep original SMA compound can make again that rutting resistance is stronger, cost is lower.
Description of drawings
Fig. 1 is the overall structure synoptic diagram of steel mill of the present invention;
Fig. 2 is the overall structure synoptic diagram of shaping granulator of the present invention.
Embodiment
A kind of composite road surface intensifier of the present invention is characterized in that, its component and parts by weight are respectively PE:29～34, rock asphalt: 10～16, rubber powder 13～21, zeyssatite 2～4, silicon-dioxide 4～8 and wood fibre 27～37.PE wherein and rock asphalt can improve the various performances of bituminous pavement as properties-correcting agent; Described rubber powder and zeyssatite improve the intensity and the anti-rut performance of bituminous pavement as toughener; Described silicon-dioxide and wood fibre are prevented ageing of asphalt as stablizer, improve the work-ing life of bituminous pavement.
The working method of described composite road surface intensifier is characterized in that, may further comprise the steps:
(1) granular PE and rubber powder are mixed with 7: 3 part by weight, add in the steel mill that has refrigerating unit and pulverize, working temperature is lower than 60 ℃, with anti-aging.Binary compound behind the wearable is not more than 20 orders.
(2) described binary compound and rock asphalt, zeyssatite, silicon-dioxide and wood fibre thorough mixing are become polynary compound, wherein rock asphalt, zeyssatite and silicon-dioxide granularity are 200～500 orders; The length of wood fibre is sieved with 150 eye mesh screens less than 6mm, and percent of pass is 60%-80%, and ash is less than 18%, and the pH value is 6～8, and moisture content is less than 4%.
(3) use the shaping granulator with the irregular particle of described polynary compound extruding, be prone to disperse during for the ease of extruding and use, add volatility liquid dispersed oily (Stockholm tar) during extruding less than compound 5% as particle diameter 3～6mm; Influence the fiber oil absorbency for preventing that the aging of product is rotten, want water to cool during extruding, temperature is lower than 120 ℃, does not cause PE, rock asphalt to become liquid state and is absorbed by wood fibre.
The present invention changes last in the prior art and wood fibre blended technology into wood fibre is joined in advance composite road surface intensifier the inside, and its advantage is:
1, with respect to the ratio of the SMA compound on road surface; The big manyfold of other components in proportions of wood fibre and road surface intensifier; And granular composite road surface intensifier is easier and other compositions mix, and has guaranteed the performance and the whole pavement quality of wood fibre function.
2, the production of batch production is more prone to than field mix wood fibre, and the composite road surface intensifier of production is a particulate state, and volume is little, reduces transportation cost greatly.
3, for preventing to reduce the oil absorbency of wood fibre fiber in the SMA compound; Water cools in extrusion process of the present invention; Make temperature be lower than 120 ℃; Avoided effectively that PE and rock asphalt become liquid state by the situation that wood fibre absorbed in production process of the present invention, guaranteed the anti-rut performance and the weather resistance on road surface.
Referring to Fig. 1; Described steel mill comprises frame 1, main shaft 3, quiet abrasive disc 6, moving abrasive disc 8, stock pan 10, PWR PLT (comprising phonomoter 12 and speed reduction unit 13) and transmission rig; This transmission rig is made up of motion-work wheel 11, follow-up pulley 15 and transmission belt 14; Motion-work wheel 11 is installed on the PTO of speed reduction unit 13, and follow-up pulley 15 is installed in the lower end of main shaft 3, and transmission belt 14 is connected between follow-up pulley 15 and the transmission belt 14.Conical quiet abrasive disc 6 openings are installed on the frame 1 down; Main shaft 3 is rotatably installed on the frame 1 through two bearings 2 up and down longitudinally; And passing the axle center hole of quiet abrasive disc 6. conical moving abrasive disc 8 is fixedly mounted on the main shaft 3, and matches with the inboard of this quiet abrasive disc 6.At the top of this quiet abrasive disc 6 hopper 4 is housed, below this quiet abrasive disc 6 and moving abrasive disc 8, stock pan 10 is housed, the bottom surface of this stock pan 10 tilts to an end, and the lowest part in this bottom surface is provided with discharge port 17.The lower end of frame 1 is connected on the support 16.
Be provided with cooling cavity 7 in the inside of described quiet abrasive disc 6, be respectively equipped with quench liquid inlet 9 and cooling liquid outlet 5 with these cooling cavity 7 conductings on the bottom and the top of this quiet abrasive disc 6, be used for being connected with quench liquid (water) recycle system of outside.
Referring to Fig. 2; Described shaping granulator comprises extrusion die plate 19, extrusion spiral 20 and extruding PWR PLT (comprising phonomoter 23 and speed reduction unit 22); One end of this extrusion spiral 20 is connected with the output shaft of the speed reduction unit 22 of these extruding PWR PLT; The other end of this extrusion spiral 20 is installed extrusion die plate 19; This extrusion die plate 19 the top be covered with moulding hole 26, around these extrusion die plate 19 inside and moulding hole 26, be provided with the cooling cavity 25 that is interconnected, be respectively equipped with quench liquid inlet 27 and export 18 at the upper and lower ends of this cooling cavity 25.
Claims (5)
1. a composite road surface intensifier is characterized in that, its component and parts by weight are respectively PE:35～42, rock asphalt: 1～3, rubber powder 13～21, zeyssatite 2～4, silicon-dioxide 4～8 and wood fibre 27～37.
2. the working method of the described composite road surface intensifier of claim 1 is characterized in that, may further comprise the steps:
(1) granular PE and rubber powder are mixed with described part by weight, add in the steel mill that has refrigerating unit and pulverize, working temperature is lower than 60 ℃, and with anti-aging, the binary compound behind the wearable is not more than 20 orders;
(2) described binary compound and rock asphalt, zeyssatite, silicon-dioxide and wood fibre thorough mixing are become polynary compound, wherein rock asphalt, zeyssatite and silicon-dioxide granularity are 200～500 orders; The length of wood fibre is sieved with 150 eye mesh screens less than 6mm, and percent of pass is 60%-80%, and ash is less than 18%, and the pH value is 6～8, and moisture content is less than 4%;
(3) use the shaping granulator with the irregular particle of described polynary compound extruding, be prone to disperse during for the ease of extruding and use, add less than the volatility liquid dispersed of compound 5% oily during extruding as particle diameter 3～6mm; Influence the fiber oil absorbency for preventing that the aging of product is rotten, want water to cool during extruding, temperature is lower than 120 ℃, does not cause PE, rock asphalt to become liquid state and is absorbed by wood fibre.
3. the working method of composite road surface intensifier according to claim 2; It is characterized in that; Described steel mill comprises frame, main shaft, quiet abrasive disc, moving abrasive disc, stock pan, PWR PLT and transmission rig; Conical quiet abrasive disc opening is installed on the frame down, and main shaft vertically is rotatably installed on the frame, and passes the axle center hole of quiet abrasive disc; Conical moving abrasive disc is fixedly mounted on the main shaft, and matches with the inboard of this quiet abrasive disc; Hopper is equipped with at top at this quiet abrasive disc, below this quiet abrasive disc and moving abrasive disc, stock pan is housed; Described main shaft is in transmission connection through transmission rig and PWR PLT; Be provided with the cooling cavity in the inside of described quiet abrasive disc, on this quiet abrasive disc, be provided with quench liquid inlet and cooling liquid outlet with this cooling cavity conducting.
4. the working method of composite road surface intensifier according to claim 3 is characterized in that, the bottom surface of described stock pan tilts to an end, and the lowest part in this bottom surface is provided with discharge port.
5. the working method of composite road surface intensifier according to claim 2; It is characterized in that; Described shaping granulator comprises extrusion die plate, extrusion spiral and extruding PWR PLT; One end of this extrusion spiral and this extruding PWR PLT are in transmission connection, and the other end of this extrusion spiral is installed extrusion die plate, is covered with the moulding hole on the top of this extrusion die plate; Around this extrusion die plate inside and moulding hole, be provided with the cooling cavity that is interconnected, be respectively equipped with the quench liquid entrance and exit at the upper and lower ends of this cooling cavity.
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| CN201010104440A CN101817659B (en) | 2010-02-01 | 2010-02-01 | Composite road surface intensifier and production method thereof |
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| CN101817659A CN101817659A (en) | 2010-09-01 |
| CN101817659B true CN101817659B (en) | 2012-10-17 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102174268B (en) * | 2011-03-15 | 2012-12-12 | 北京天成垦特莱科技有限公司 | Rubber asphalt modifier and production method thereof |
| CN106189294B (en) * | 2016-07-21 | 2019-06-28 | 交通运输部科学研究院 | Diatom soil matrix asphalt high/low temperature modifying agent and preparation method thereof |
| CN106277934A (en) * | 2016-08-18 | 2017-01-04 | 安徽省双龙木质纤维素有限公司 | The wood fibre compound that a kind of highway asphalt material uses |
| CN113735483B (en) * | 2021-09-03 | 2022-12-20 | 广西路冠科技投资发展有限责任公司 | A nanocomposite natural rock modified asphalt mixture additive |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252826A (en) * | 1997-02-18 | 2000-05-10 | 波利法尔特有限公司 | Polymer stabilized bitumen granulate |
| CN1821151A (en) * | 2005-12-12 | 2006-08-23 | 湖北高科交通工程咨询有限公司 | Asphalt road surface reinforcing material |
| CN101210086A (en) * | 2007-12-25 | 2008-07-02 | 武汉理工大学 | Anti-rutting modifier for asphalt concrete |
| CN101235172A (en) * | 2008-01-17 | 2008-08-06 | 陕西长大博源公路养护科技有限公司 | Asphalt pavement rubber plastic composite anti-rut agent and preparation method thereof |
-
2010
- 2010-02-01 CN CN201010104440A patent/CN101817659B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252826A (en) * | 1997-02-18 | 2000-05-10 | 波利法尔特有限公司 | Polymer stabilized bitumen granulate |
| CN1821151A (en) * | 2005-12-12 | 2006-08-23 | 湖北高科交通工程咨询有限公司 | Asphalt road surface reinforcing material |
| CN101210086A (en) * | 2007-12-25 | 2008-07-02 | 武汉理工大学 | Anti-rutting modifier for asphalt concrete |
| CN101235172A (en) * | 2008-01-17 | 2008-08-06 | 陕西长大博源公路养护科技有限公司 | Asphalt pavement rubber plastic composite anti-rut agent and preparation method thereof |
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Owner name: BEIJING TIANCHENG KENTELAI TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: FU QINGFU Effective date: 20111026 |
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Effective date of registration: 20111026 Address after: 102200 torch Street 21, Changping District science and Technology Park, Beijing Applicant after: BEIJING TIANCHENG KENTELAI TECHNOLOGY CO., LTD. Address before: 100089, 15D, century Jin Yuan Grand Hotel, 69 well road, Beijing, Haidian District Applicant before: Fu Qingfu |
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Effective date of registration: 20190801 Address after: 051230 No. 1, No. 6 Road, Zanhuang Economic Development Zone, Shijiazhuang City, Hebei Province Patentee after: Tiancheng Ken Trizanhuang Technology Co., Ltd. Address before: 102200 torch Street 21, Changping District science and Technology Park, Beijing Patentee before: BEIJING TIANCHENG KENTELAI TECHNOLOGY CO., LTD. |