CN104894946A - Production equipment for high-quality asphalt mixture and production method thereof - Google Patents
Production equipment for high-quality asphalt mixture and production method thereof Download PDFInfo
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- CN104894946A CN104894946A CN201510311846.1A CN201510311846A CN104894946A CN 104894946 A CN104894946 A CN 104894946A CN 201510311846 A CN201510311846 A CN 201510311846A CN 104894946 A CN104894946 A CN 104894946A
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Abstract
The invention relates to the field of asphalt mixture production, and specifically relates to production equipment for a high-quality asphalt mixture and a production method thereof. The production equipment for the high-quality asphalt mixture comprises an intermittent asphalt mixture stirring system and a fine aggregate treatment system, wherein the fine aggregate treatment system comprises an air separation device, a negative pressure dust removal and recovery device, a fine aggregate storage device, and a fine aggregate metering and conveying device. According to the production equipment for a high-quality asphalt mixture and the production method provided by the invention, by adding the fine aggregate treatment system, fine aggregates can be independently broken and sieved, and stored and metered, and directly poured in an asphalt stirring main machine without the need of further heating of a drying drum to carry out asphalt mixture production; compared with the previous production equipment for an asphalt mixture, because fine aggregate grading is strictly ensured, the structure is capable of greatly improving the asphalt mixture, reducing energy consumption, and meeting the production needs of the high-quality asphalt mixture.
Description
Technical field
The present invention relates to bituminous mixture field, be specifically related to a kind of high quality asphalt compound production equipment and production method thereof.
Background technology
Along with the continuous construction of China's infrastructure and perfect, to the end of the year 2013, the mileage open to traffic of China's speedway will be just close to 10.4 ten thousand kilometers, and the overwhelming majority is flexible pavement.Under the new model of traffic fast development.Highway construction both domestic and external there occurs many changes, has had both at home and abroad further go deep into the achievement in research of bituminous mixture.
Fine aggregate is the important component part of bituminous mixture, to the quality of bituminous mixture and performance impact very large, a lot of domestic correspondent is also all to study by experiment and component design.Current existing bituminous mixture equipment, sieves owing to being subject to traditional asphalt compound the restriction set, and the thinnest stock grading of the overwhelming majority is only 3mm, cannot carry out next step segmentation for its fine aggregate.But in very high-performance pitch bituminous mixture occasion (such as building pitch), due to the importance of the grating of fine aggregate, need to segment further, common grating is: 2.36mm, 1.18mm, 0.6mm, 0.3mm and 0.15mm, this stirs at traditional bituminous mixture and sets and cannot realize.
Summary of the invention
For overcoming deficiency of the prior art, the invention provides a kind of high quality asphalt compound production equipment and production method thereof.
For achieving the above object, the technical solution used in the present invention is as follows: high quality asphalt compound production equipment, is characterized in that: comprise intermittent asphalt mixture stirring system and fine aggregate treatment system;
Intermittent asphalt mixture stirring system, the aggregate measuring conveying device comprising stirring host and be communicated with stirring host, powder metering conveying device, pitch metering and conveying device;
Fine aggregate treatment system comprises pneumatic separation device, depression dust-removing retracting device, fine aggregate storage device, fine aggregate metering and conveying device, described pneumatic separation device comprises selection by winnowing room and screening mechanism, this selection by winnowing room is provided with fine aggregate import and multiple discharging opening, this screening mechanism is located at selection by winnowing and is elected dust and the fine aggregate meeting the requirement of pitch grating as indoor being divided by fine aggregate, described depression dust-removing retracting device is communicated with aggregate measuring conveying device, described fine aggregate storage device comprises multiple storage bin connected from different selection by winnowing rooms discharging opening respectively, storage bin is communicated with stirring host by described fine aggregate metering and conveying device.
Further, intermittent asphalt mixture stirring system also comprises aggregate breaker, and this aggregate breaker comprises the elevator, aggregate crushing engine and the aggregate-screening machine that connect successively, and this aggregate-screening machine is connected with aggregate measuring conveying device.
Further, also comprise aggregate feeding system and dry heating system, described aggregate feeding system is connected with oven dry heating system, and described oven dry heating system is connected with aggregate breaker.
Further, also comprise depression dust-removing system, this depression dust-removing system is communicated with aggregate crushing engine with drying roller by pipeline, is introduced in depression dust-removing system by the dust in drying roller and aggregate crushing engine.
Further, also comprise finished product material stocking system, described finished product material stocking system comprises finished product material and claims and multistage finished product bin, and described stirring host claims to be connected with multistage finished product bin via finished product material.
Further, also comprise powder supplying system, the supply of this powder comprises powder tank, powder delivering pipe, and this powder tank is communicated with powder metering conveying device by powder delivering pipe.
Further, also comprise asphalt storage system, this pitch spring urgees system and comprises asphalt tank and asphalt delivery pipe, and it is that conveying device is communicated with that this asphalt tank is measured by asphalt delivery pipe and pitch.
Further, fine aggregate treatment system also comprises fine aggregate breaker, and this fine aggregate breaker comprises broken main frame and oscillating feeder, and the discharging opening of this broken main frame connects with oscillating feeder, and this oscillating feeder is connected with fine aggregate screening plant.
Further, selection by winnowing indoor are provided with many tapping channels be communicated with discharging opening, described screening mechanism comprises blower fan and the multilayer screen cloth corresponding with tapping channel quantity, the air outlet of this blower fan to be arranged at below fine aggregate import and to the indoor air-supply of selection by winnowing, and this multilayer screen cloth is put down from above and to be arranged successively and the aperture of screen cloth is reduced to lower floor successively by upper strata.
High quality asphalt compound production method, is characterized in that, use the high quality asphalt compound production equipment described in any one in the claims 1-9, its step is as follows:
Step 1, broken raw material is sent in fine aggregate treatment system, segments according to the demand of pitch fine aggregate, and is separately stored according to screening specification by the fine aggregate after screening;
Step 2, the dust in fine aggregate screening process is reclaimed via depression dust-removing retracting device and is sent in stirring host by aggregate measuring conveying device and utilizes;
Step 3, according to the factory formula of bituminous mixture, carries hot aggregate, powder, asphalt material and fine aggregate respectively by aggregate measuring conveying device, powder metering conveying device, pitch metering and conveying device and fine aggregate metering and conveying device in stirring host;
Step 4, realizes the stirring of compound by stirring host, to obtain uniform quality and evenly to wrap up in deposited high quality asphalt compound.
From the above-mentioned description of this invention, compared with prior art, the present invention is in order to solve the problem, bituminous mixture equipment provided by the invention and production method, by increasing a set of fine aggregate treatment system, can independent crushing and screening be carried out to fine aggregate and store and measure, without the need to being heated further by drying drum, direct input asphalt mixing main frame carries out this structure of bituminous mixture and compares with bituminous mixture equipment in the past, the fine aggregate grating due to strict guarantee, therefore bituminous mixture can be improved greatly, reduce energy consumption, meet high-quality bituminous mixture demand.
The present invention has following beneficial effect:
1.) compare with intermittent asphalt mixture production equipment in the past, because fine aggregate is without the need to heating, can energy consumption be reduced, reduce dust pollution;
2.) the fine aggregate grating due to strict guarantee, therefore can improve the quality of bituminous mixture greatly;
3) because fine aggregate sieves separately, metering and conveying, compare with intermittent asphalt mixture production equipment, fine aggregate can be reduced and produce in way the loss of losing depression dust-removing system and bringing, the further segmentation of fine aggregate grating simultaneously, store and metering, high-quality bituminous mixture demand can be met.
4) success of project can make unit in charge of construction's energy consumption saving, cost savings, and owner aspect can improve the grade of bituminous highway.
Accompanying drawing explanation
Fig. 1 is the structural representation of high quality asphalt compound production equipment.
Fig. 2 is the structural representation of high quality asphalt compound production equipment fine aggregate treatment system.
Detailed description of the invention
Below by way of detailed description of the invention, the invention will be further described.
Shown in Fig. 2, high quality asphalt compound production equipment, comprises aggregate feeding system 1, dries heating system 2, depression dust-removing system 3, intermittent asphalt mixture stirring system 4, finished product material stocking system 5, also comprises powder supplying system 6, asphalt storage system 7, special composition add-on system 8, fine aggregate treatment system 9 and operating room 10;
Aggregate feeding system 1 comprises multistage aggregate bin 1.1 and belt conveyor 1.2, and the aggregate in this aggregate bin 1.1 is sent into by belt conveyor 1.2 and dried in heating system 2, can realize the storage of cold aggregate, dispensing and metering;
Dry heating system 2 and comprise drying roller 2.1 and burner 2.2, aggregate in drying roller 2.1 can be carried out at a set temperature oven dry heating by burner 2.2;
Depression dust-removing system 3 is communicated with intermittent asphalt mixture stirring system 4 with drying roller 2.1 by pipeline, dust contained from the gas of drying roller 2.1 can be removed, the gas that process aggregate produces when drying and heat is to reclaim fines, pollution abatement, can realize the dedusting environment friendly problem of intermittent asphalt mixture stirring system 4 simultaneously;
Intermittent asphalt mixture stirring system 4 comprises elevator 4.1, aggregate crushing engine 4.2, aggregate-screening machine 4.3, aggregate discharge line 4.4, aggregate measuring conveying device 4.5, powder metering conveying device 4.6, pitch metering and conveying device 4.7, stirring host 4.8; This elevator 4.1, aggregate crushing engine 4.2, aggregate-screening machine 4.3 connect to form aggregate breaker successively, this aggregate-screening machine 4.3 is connected with aggregate measuring conveying device 4.5, aggregate-screening machine 4.3 is communicated with finished product material stocking system 5 by this aggregate discharge line 4.4, and this aggregate measuring conveying device 4.5, powder metering conveying device 4.6, pitch metering and conveying device 4.7 are communicated with stirring host 4.8 respectively;
Finished product material stocking system 5 comprises finished product material and claims 5.1 and multistage finished product bin 5.2, the asphalt material that described stirring host 4.8 has stirred claims classification after 5.1 weighings to enter finished product bin 5.2 through finished product material, a feed bin is had to be communicated with aggregate discharge line 4.4 in finished product bin 5.2, for receiving the powder that aggregate-screening machine 4.3 is discharged;
Powder supplying system 6 comprises useless powder tank 6.1, additive powder tank 6.2, powder delivering pipe 6.3, this useless powder tank 6.1 is connected with depression dust-removing system 3 for collecting the powder of pressing dust pelletizing system 3, this useless powder tank 6.1, additive powder tank 6.2 by powder delivering pipe 6.3 by being communicated with powder metering conveying device 4.6;
Asphalt storage system 7 comprises asphalt tank 7.1 and asphalt delivery pipe 7.2, and it is that conveying device 4.7 is communicated with that this asphalt tank 7.1 is measured by asphalt delivery pipe 72 and pitch;
Special composition add-on system 8 comprises special composition feed bin 8.1 and special composition carrier pipe 8.2, and this special composition feed bin 8.1 is communicated with powder metering conveying device 4.6 by special composition carrier pipe 8.2;
Fine aggregate treatment system 9 comprises fine aggregate breaker, pneumatic separation device, depression dust-removing retracting device, fine aggregate storage device, fine aggregate metering and conveying device,
Fine aggregate breaker comprises broken main frame 91 and oscillating feeder 92, the discharging opening of this broken main frame 911 connects with oscillating feeder 92, broken main frame 91 is centrifugal crusher, its structure dropped for breakable raw material nature below, oscillating feeder 92 also can adopt the well-known conveyers such as Belt Conveying, and the broken thing got rid of according to crushing engine 12 is transported to above selection by winnowing room;
Pneumatic separation device comprises selection by winnowing room 93, screening mechanism 94, this selection by winnowing room 93 is provided with fine aggregate import 931, multiple discharging opening 932, many the tapping channels be communicated with discharging opening 933, this screening mechanism 94 comprises blower fan 941 and the multilayer screen cloth 942 corresponding with tapping channel 933 quantity, the air outlet of this blower fan 941 to be arranged at below fine aggregate import 931 and to blow in selection by winnowing room 93, this multilayer screen cloth 942 is put down from above and is arranged successively, and the aperture of screen cloth is reduced to lower floor successively by upper strata, the fine aggregate entered in selection by winnowing room 93 is divided the fine aggregate elected dust as and meet the requirement of pitch grating in this screening mechanism 94,
Depression dust-removing retracting device 95 is communicated with aggregate measuring conveying device;
Fine aggregate storage device comprises multiple storage bin 96 connected from different selection by winnowing rooms discharging opening 932 respectively;
Storage bin 96 is communicated with stirring host 48 by fine aggregate metering and conveying device 97.
With reference to shown in Fig. 1, Fig. 2, the production method of high quality asphalt compound, use above-mentioned high quality asphalt compound production equipment, its step is as follows:
Step 1, broken raw material is sent in fine aggregate treatment system, raw material, by after the fragmentation of aggregate crusher device, carries out being subdivided into 2.36mm, 1.18mm according to the demand of pitch fine aggregate, 0.6mm, the specification of 0.3mm, 0.15mm, and the fine aggregate after screening is separately stored in storage bin 96 according to screening specification, if client has other special screening specification requirement, is also can be realized by the change of multilayer screen cloth 942;
Step 2, the dust in fine aggregate screening process is reclaimed via depression dust-removing retracting device 95 and is sent in stirring host 48 by aggregate measuring conveying device and utilizes;
Step 3, according to the factory formula of bituminous mixture, in stirring host 48, hot aggregate, powder, asphalt material and fine aggregate is carried respectively by aggregate measuring conveying device 45, powder metering conveying device 46, pitch metering and conveying device 47 and fine aggregate metering and conveying device 97, fine aggregate can according to the demand of client's grating, carry out accurate measurement, the fine aggregate measured is transported to the production that stirring host carries out bituminous mixture simultaneously;
Step 4, realizes the stirring of compound by stirring host, to obtain uniform quality and evenly to wrap up in deposited high quality asphalt compound.
Above are only some detailed description of the invention of the present invention, but design concept of the present invention is not limited thereto, all changes utilizing this design the present invention to be carried out to unsubstantiality, all should belong to the behavior of invading scope.
Claims (10)
1. high quality asphalt compound production equipment, is characterized in that: comprise intermittent asphalt mixture stirring system and fine aggregate treatment system;
Intermittent asphalt mixture stirring system, the aggregate measuring conveying device comprising stirring host and be communicated with stirring host, powder metering conveying device, pitch metering and conveying device;
Fine aggregate treatment system comprises pneumatic separation device, depression dust-removing retracting device, fine aggregate storage device, fine aggregate metering and conveying device, described pneumatic separation device comprises selection by winnowing room and screening mechanism, this selection by winnowing room is provided with fine aggregate import and multiple discharging opening, this screening mechanism is located at selection by winnowing and is elected dust and the fine aggregate meeting the requirement of pitch grating as indoor being divided by fine aggregate, described depression dust-removing retracting device is communicated with aggregate measuring conveying device, described fine aggregate storage device comprises multiple storage bin connected from different selection by winnowing rooms discharging opening respectively, storage bin is communicated with stirring host by described fine aggregate metering and conveying device.
2. high quality asphalt compound production equipment according to claim 1, it is characterized in that: intermittent asphalt mixture stirring system also comprises aggregate breaker, this aggregate breaker comprises the elevator, aggregate crushing engine and the aggregate-screening machine that connect successively, and this aggregate-screening machine is connected with aggregate measuring conveying device.
3. high quality asphalt compound production equipment according to claim 2, it is characterized in that: also comprise aggregate feeding system and dry heating system, described aggregate feeding system is connected with oven dry heating system, and described oven dry heating system is connected with aggregate breaker.
4. high quality asphalt compound production equipment according to claim 3, it is characterized in that: also comprise depression dust-removing system, this depression dust-removing system is communicated with aggregate crushing engine with drying roller by pipeline, is introduced in depression dust-removing system by the dust in drying roller and aggregate crushing engine.
5. high quality asphalt compound production equipment according to claim 1, it is characterized in that: also comprise finished product material stocking system, described finished product material stocking system comprises finished product material and claims and multistage finished product bin, and described stirring host claims to be connected with multistage finished product bin via finished product material.
6. the high quality asphalt compound production equipment according to claim 1 or 4, is characterized in that: also comprise powder supplying system, and the supply of this powder comprises powder tank, powder delivering pipe, and this powder tank is communicated with powder metering conveying device by powder delivering pipe.
7. high quality asphalt compound production equipment according to claim 1, it is characterized in that: also comprise asphalt storage system, this pitch spring urgees system and comprises asphalt tank and asphalt delivery pipe, and it is that conveying device is communicated with that this asphalt tank is measured by asphalt delivery pipe and pitch.
8. high quality asphalt compound production equipment according to claim 1, it is characterized in that: described fine aggregate treatment system also comprises fine aggregate breaker, this fine aggregate breaker comprises broken main frame and oscillating feeder, the discharging opening of this broken main frame connects with oscillating feeder, and this oscillating feeder is connected with fine aggregate screening plant.
9. the high quality asphalt compound production equipment according to claim 1 or 8, it is characterized in that: described selection by winnowing indoor are provided with many tapping channels be communicated with discharging opening, described screening mechanism comprises blower fan and the multilayer screen cloth corresponding with tapping channel quantity, the air outlet of this blower fan to be arranged at below fine aggregate import and to the indoor air-supply of selection by winnowing, and this multilayer screen cloth is put down from above and to be arranged successively and the aperture of screen cloth is reduced to lower floor successively by upper strata.
10. high quality asphalt compound production method, is characterized in that, use the high quality asphalt compound production equipment described in any one in the claims 1-9, its step is as follows:
Step 1, broken raw material is sent in fine aggregate treatment system, segments according to the demand of pitch fine aggregate, and is separately stored according to screening specification by the fine aggregate after screening;
Step 2, the dust in fine aggregate screening process is reclaimed via depression dust-removing retracting device and is sent in stirring host by aggregate measuring conveying device and utilizes;
Step 3, according to the factory formula of bituminous mixture, carries hot aggregate, powder, asphalt material and fine aggregate respectively by aggregate measuring conveying device, powder metering conveying device, pitch metering and conveying device and fine aggregate metering and conveying device in stirring host;
Step 4, realizes the stirring of compound by stirring host, to obtain uniform quality and evenly to wrap up in deposited high quality asphalt compound.
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Cited By (9)
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| CN106400654A (en) * | 2016-09-30 | 2017-02-15 | 三汽车制造有限公司 | Bituminous mixing plant |
| CN107053483A (en) * | 2017-01-26 | 2017-08-18 | 北京鑫源诺美环保科技有限责任公司 | Asphalt concrete mixer sunk type technology arrangement |
| CN108708251A (en) * | 2018-07-10 | 2018-10-26 | 成都广维重工科技有限公司 | A kind of intermittent multifunctional stirring station |
| CN108797272A (en) * | 2018-05-03 | 2018-11-13 | 南京同力建设集团股份有限公司 | A kind of burner and its control method of twin-roll heat regeneration asphalt concrete mixing machine |
| CN109024161A (en) * | 2018-08-07 | 2018-12-18 | 福建南方路面机械有限公司 | A kind of high-quality Milled asphalt materials regenerative system and milling material regeneration method |
| CN109968541A (en) * | 2019-05-15 | 2019-07-05 | 成都广维重工科技有限公司 | A kind of environment-friendly type sandstone self-control concrete mixing plant |
| CN109989320A (en) * | 2019-04-30 | 2019-07-09 | 福建南方路面机械有限公司 | A kind of fast assembling asphalt mixing plant |
| CN110670448A (en) * | 2019-09-20 | 2020-01-10 | 福建铁拓机械有限公司 | Production process and equipment of recycled asphalt mixture |
| CN112536920A (en) * | 2020-11-16 | 2021-03-23 | 葛洲坝石门特种水泥有限公司 | Mixing process and mixing equipment in cement compounding |
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| CN110670448A (en) * | 2019-09-20 | 2020-01-10 | 福建铁拓机械有限公司 | Production process and equipment of recycled asphalt mixture |
| CN112536920A (en) * | 2020-11-16 | 2021-03-23 | 葛洲坝石门特种水泥有限公司 | Mixing process and mixing equipment in cement compounding |
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