CN103821065A - Forced intermittent special mixing apparatus for asphalt mixture regeneration - Google Patents
Forced intermittent special mixing apparatus for asphalt mixture regeneration Download PDFInfo
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- CN103821065A CN103821065A CN201410059099.2A CN201410059099A CN103821065A CN 103821065 A CN103821065 A CN 103821065A CN 201410059099 A CN201410059099 A CN 201410059099A CN 103821065 A CN103821065 A CN 103821065A
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- chute
- reclaimed materials
- agitated kettle
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- asphalt mixture
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Abstract
The invention discloses a brand-new forced intermittent special mixing apparatus for asphalt mixture regeneration. Aiming at the problems and defects of conventional regeneration apparatus matching solutions, main parts of a mixing apparatus are optimized and designed again; and a brand-new integrated apparatus matching solution specialized for production of regenerated asphalt mixture is provided. A regeneration function and a conventional mixing plant are optimized and integrated; the arrangement manner and position of a mixing pot are redesigned, so that reclaimed materials can be directly added from the above of the mixing pot; a conveying material path of the reclaimed materials is simplified; the problem of cementation of the reclaimed materials can be effectively alleviated; and the volume and mixing capacity of the mixing pot are increased, thereby guaranteeing that output of the apparatus is not influenced during the production of large-scale regenerated asphalt mixture. By adopting the whole integrated design, the structure is more compact; the whole height of the apparatus is effectively reduced; installation debug and daily operation and daily maintenance are facilitated; and energy consumption of the apparatus is effectively reduced.
Description
Technical field
The invention belongs to asphalt mixing plant technical field, particularly a kind of intermittent asphalt mixture regeneration special mixing plant of forcing.
Background technology
Because Chinese highway construction speed, scale are the first in the world, along with the continuous increase of highway mileage, highway construction will be with current [to build as main], is progressively transitioned into the new stage of development of [build to support and develop simultaneously] and following [mastery is main].Early stage built flexible pavement enter successively reprocess, maintenance, transformation phase, the quantity of the recovery asphalt pavement material that produced is thus increasing and increase year by year.Due to the restriction that China reclaims asphalt pavement material regeneration techniques and equipment, China reclaims the still less than 20% of reasonable utilization rate of asphalt pavement material at present.According to Department of Transportation [12. five] basic principle of highway maintenance management career development in highway maintenance management development outline, point out that the cyclic utilization rate of waste asphalt pavement material in 2015 brings up to 40% by current less than 20%, Trunk highway highway cyclic utilization rate reaches 70%, and speedway reaches more than 90%.Visible Applied of Asphalt Pavement Recycle Technique, meets highway in China and builds the fundamental state policy of sustainable development, has huge society and economic benefit, and market prospects are wide.
Be limited by the arrangement of current batch asphalt mixing plant, all reclaim equiments are all to take the mode of " subsides " to design with supporting in the market, regenerating section carries out supporting as the slave part of conventional asphalt mixing plant, in the time of actual production, due to the limitation of this body structure of equipment, the conveying process (referring in particular to by reclaimed materials weighing hopper to agitated kettle coupling part) of supporting regenerating section be substantially divided into two kinds of forms: totally-enclosed belt conveyor, or chute.Due to itself characteristic, all there is corresponding problem.
The problem of totally-enclosed belt conveyor is:
● structure relative complex, has moving component need regularly carry out care and maintenance;
● what conveyor was intrinsic spills material problem;
● transporting velocity is relatively slow;
● conveyor needs motor to drive, and increases to a certain extent power consumption.
The problem of chute is:
● chute must reach certain angle and can normally use, and slips the requirement of material angle, the height of reclaim equiment all higher (at least exceeding more than 3 meters) conventionally for meeting;
● highly increase, safeguard to Installation and Debugging and routine use and make troubles, also increase to a certain extent energy consumption;
● in order to guarantee to slip, material is smooth and easy, and chute must be furnished with good heating and thermal insulation measure, and due to structural limitations own, is difficult to cleaning once stop up.
Common problem is:
● due to the limitation of conventional stirring design itself, mixing pot volume is to be only configured according to the needs of producing conventional bituminous mixture, in the time carrying out reclaimed asphalt mixture production, because needs extend mixing time, can cause Whole Equipment constant to reduce;
● in addition, the arrangement of current reclaim equiment, because reclaimed materials (RAP) can only slip and adds by mixing a pot side, should not be uniformly mixed, and also can increase to a certain extent mixing time, causes equipment yield to reduce.
Summary of the invention
For the existing problem and shortage of existing reclaim equiment auxiliary plan, the object of the invention is to the main building part optimal design again to mixing plant, propose a kind of brand-new one-block apparatus auxiliary plan of carrying out reclaimed asphalt mixture production that is specifically designed to, be intended to openly a kind of brand-new pressure intermittent asphalt mixture regeneration special mixing plant.
Regeneration function and conventional mixing building are optimized to integration, redesign arrangement form and the position of mixing pot, reclaimed materials can directly be added by mixing pot top, simplify the material conveying road of reclaimed materials, effectively alleviate the problem of reclaimed materials bonding.Increase and mix pot capacity and stirring capacity, while guaranteeing to carry out the production of vast scale reclaimed asphalt mixture, do not affect equipment yield.Take Monobloc design, structure is compacter, can effectively reduce Whole Equipment height, is more convenient for carrying out Installation and Debugging and regular job and safeguards, and can effectively reduce equipment energy consumption.
A kind of intermittent asphalt mixture regeneration special mixing plant of forcing, described equipment comprises reclaimed materials chute (1), hot aggregate chute (2), vibrosieve (3), reclaimed materials surge bunker (4), hot aggregate storage bin (5), hot aggregate weighing scale (6), reclaimed materials scale hooper (7), chute (8), coaming plate (9) and agitated kettle (10); Wherein, described hot aggregate enters agitated kettle (10) by chute (8); Reclaimed materials is directly discharged into agitated kettle (10) from reclaimed materials scale hooper (7), agitated kettle (10) is arranged in reclaimed materials scale hooper (7) and position between the two, new aggregate weighing hopper (6) below, reclaimed materials directly adds new aggregate by mixing pot (10) top, is added and is mixed pot by chute (8);
Wherein, described reclaimed materials scale hooper (7) is connected with agitated kettle (10) by coaming plate (9), wherein reclaimed materials scale hooper (7) adopts eccentric structure, it adopts be flexible coupling (cloth cover) to be connected with coaming plate (9), to compensate the error because distortion produces in installation, processing or parts transportation;
Wherein, described new aggregate weighing hopper (6) is connected with agitated kettle (10) by chute (8), coaming plate (9), it also adopts be flexible coupling (cloth cover) to be connected with chute (8) equally, the error that while transportation because of installation, processing or parts to compensate, distortion produces; Do not affecting under the prerequisite of processing, use, new aggregate weighing hopper (6) is as far as possible larger with the gap of chute (8), after using, causes new aggregate weighing hopper (6) and chute (8) Contact Effect weighing precision because being out of shape in order to avoid long-time;
Wherein, the minimum angle of described chute (8) and horizontal direction is between 45 degree and 90 degree; Chute (8) is provided with replaceable abrasion-proof backing block and manhole, and manhole is for maintenance and lining plate replacing;
Wherein, the position of described agitated kettle (10) deflection reclaimed materials scale hooper (7).
Wherein, the relatively equal model installed power of described agitated kettle (10) increases 30-40%.
Beneficial effect
1. brand-new integral design, compact conformation, integrated level are high;
2. efficiently solve the series of problems such as reclaimed materials (RAP) conveying process (espespecially reclaimed materials by scale hooper to agitated kettle part) materials from bonding, obstruction, conveying are smooth, transfer efficiency is low, greatly improve the reliability of equipment continuous operation;
3. can guarantee that equipment yield is unaffected in the time carrying out the production of vast scale (more than 50%) reclaimed asphalt mixture;
4. Whole Equipment height significantly reduces, and is more conducive to device context Installation and Debugging and regular job and safeguards, and reduced necessary motion link, can reduce to a certain extent device fabrication energy consumption.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2-3 are two extreme position schematic diagrames of agitated kettle;
Wherein, 1-reclaimed materials chute, the hot aggregate chute of 2-, 3-vibrosieve, 4-reclaimed materials surge bunker, 5-hot aggregate storage bin, the hot aggregate weighing scale of 6-, 7-reclaimed materials scale hooper, 8-chute, 9-coaming plate, 10-agitated kettle.
The specific embodiment
Below in conjunction with Fig. 1, the specific embodiment of patent of the present invention is further described, following examples are only for the technical scheme of patent of the present invention is more clearly described, and can not limit with this protection domain of patent of the present invention.
As shown in Figure 1, the concrete technical scheme of implementing of patent of the present invention is:
Regeneration being produced to the parts such as required oven dry, buffer memory, weighing is optimized with integrated with the main building of forcing the conventional asphalt mixing plant of batch (-type); the arrangement form of agitated kettle (10) and position redesign; between two extreme positions, selecting suitable position to rearrange as shown in Figure 2 and Figure 3, principle be guarantee reclaimed materials (RAP) can directly be discharged into mix pot (10).
Agitated kettle (10) capacity is strengthened, and comparing equal model installed power increases 30-40%.
New aggregate is slipped into vibrosieve (3) by hot aggregate chute (2), the hot aggregate that vibrosieve (3) is divided into several specifications by vibrosieve by hot aggregate enters hot aggregate storage bin (5), hot aggregate weighing scale (6) carries out cummulative metering to the hot aggregate of several specifications, then slips into agitated kettle (10) by chute (8);
Reclaimed materials (RAP) after heating enters reclaimed materials surge bunker (4) and carries out buffer memory, and the reclaimed materials (RAP) that each production cycle need to use is undertaken being directly discharged into agitated kettle (10) after Weighing by reclaimed materials scale hooper (7).
The above is only the preferential embodiment of patent of the present invention, but patent of the present invention does not limit by Fig. 1 example and the optimal mode thought at present of conduct of describing in an embodiment to implement the specific examples of instruction of patent of the present invention, the scope of patent of the present invention will comprise any enforcement that falls into manual above and appended claim.
Claims (6)
1. force intermittent asphalt mixture regeneration special mixing plant for one kind, it is characterized in that: described equipment comprises reclaimed materials chute (1), hot aggregate chute (2), vibrosieve (3), reclaimed materials surge bunker (4), hot aggregate storage bin (5), hot aggregate weighing scale (6), reclaimed materials scale hooper (7), chute (8), coaming plate (9) and agitated kettle (10), wherein, described hot aggregate enters agitated kettle (10) by chute (8); Reclaimed materials is directly discharged into agitated kettle (10) from reclaimed materials scale hooper (7), agitated kettle (10) is arranged in reclaimed materials scale hooper (7) and position between the two, new aggregate weighing hopper (6) below, reclaimed materials directly adds new aggregate by mixing pot (10) top, is added and is mixed pot by chute (8).
2. equipment according to claim 1, is characterized in that: the position deflection reclaimed materials scale hooper (7) of described agitated kettle (10).
3. equipment according to claim 1, is characterized in that: the relatively equal model installed power of described agitated kettle (10) increases 30-40%.
4. equipment according to claim 1, is characterized in that: described reclaimed materials scale hooper (7) is connected with agitated kettle (10) by coaming plate (9), and wherein reclaimed materials scale hooper (7) adopts eccentric structure, and it adopts cloth cover to be connected with coaming plate (9).
5. equipment according to claim 1, is characterized in that: described new aggregate weighing hopper (6) is connected with agitated kettle (10) by chute (8), coaming plate (9), and it adopts cloth cover to be connected with chute (8) equally; Do not affecting under the prerequisite of processing, use, new aggregate weighing hopper (6) is as far as possible larger with the gap of chute (8), after using, causes new aggregate weighing hopper (6) and chute (8) Contact Effect weighing precision because being out of shape in order to avoid long-time.
6. equipment according to claim 1, is characterized in that: the minimum angle of described chute (8) and horizontal direction is between 45 degree and 90 degree; Chute (8) is provided with can change abrasion-proof backing block and manhole, and manhole is for maintenance and lining plate replacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410059099.2A CN103821065A (en) | 2014-02-20 | 2014-02-20 | Forced intermittent special mixing apparatus for asphalt mixture regeneration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410059099.2A CN103821065A (en) | 2014-02-20 | 2014-02-20 | Forced intermittent special mixing apparatus for asphalt mixture regeneration |
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| Publication Number | Publication Date |
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| CN103821065A true CN103821065A (en) | 2014-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410059099.2A Pending CN103821065A (en) | 2014-02-20 | 2014-02-20 | Forced intermittent special mixing apparatus for asphalt mixture regeneration |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106149498A (en) * | 2016-06-28 | 2016-11-23 | 东南大学 | The manufacture method of waste soil expanded polystyrene particle mixing light road bank stuffing |
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| JPS633081B2 (en) * | 1983-11-08 | 1988-01-21 | Niigata Engineering Co Ltd | |
| CN2409037Y (en) * | 2000-03-10 | 2000-12-06 | 周爱民 | Dual-purpose driven double-conic creeping bucket concrete mixer |
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2014
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| JPS6237163B2 (en) * | 1983-09-30 | 1987-08-11 | Niigata Engineering Co Ltd | |
| JPS633081B2 (en) * | 1983-11-08 | 1988-01-21 | Niigata Engineering Co Ltd | |
| CN2409037Y (en) * | 2000-03-10 | 2000-12-06 | 周爱民 | Dual-purpose driven double-conic creeping bucket concrete mixer |
| CN102127893A (en) * | 2010-01-14 | 2011-07-20 | 福建铁拓机械有限公司 | Asphalt concrete plant-mix hot recycling equipment with improved structure |
| CN102587259A (en) * | 2012-02-23 | 2012-07-18 | 福建铁拓机械有限公司 | Pitch stirring device with hot recycling function |
| CN202922760U (en) * | 2012-10-15 | 2013-05-08 | 杨涛 | Foldable fast-assembling concrete agitating device |
| CN202895463U (en) * | 2012-10-31 | 2013-04-24 | 郑州市长城机器制造有限公司 | Forced horizontal-shaft concrete mixer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149498A (en) * | 2016-06-28 | 2016-11-23 | 东南大学 | The manufacture method of waste soil expanded polystyrene particle mixing light road bank stuffing |
| 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 |
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Address after: 065600 Langfang, Yongqing Industrial Park, cherry Road, No. 12, No. Applicant after: LANGFANG D&G MACHINERY TECHNOLOGY CO., LTD. Address before: 065600 Langfang, Yongqing Industrial Park, cherry Road, No. 12, No. Applicant before: Langfang D & G Machinery Technology Co., Ltd. |
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Application publication date: 20140528 |