CN106012760B - A kind of the cold in-plant recycling mixing apparatus and mixing method of asphalt - Google Patents
A kind of the cold in-plant recycling mixing apparatus and mixing method of asphalt Download PDFInfo
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- CN106012760B CN106012760B CN201610352922.8A CN201610352922A CN106012760B CN 106012760 B CN106012760 B CN 106012760B CN 201610352922 A CN201610352922 A CN 201610352922A CN 106012760 B CN106012760 B CN 106012760B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, 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
- E01C19/10—Apparatus 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
- E01C19/1004—Reconditioning or reprocessing bituminous mixtures, e.g. salvaged paving, fresh patching mixtures grown unserviceable; Recycling salvaged bituminous mixtures; Apparatus for the in-plant recycling thereof
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Abstract
The invention discloses the cold in-plant recycling mixing apparatus and mixing method of a kind of asphalt, the equipment includes level-one a mixing bowl (1) and second level a mixing bowl (8), the level-one a mixing bowl (1) is set to the top of second level a mixing bowl (8), and it is connect by flexible connecting device (6) with second level a mixing bowl (8), newly gather materials after level-one a mixing bowl carries out mixing and stirring processing in advance, it is mixed with the waste asphalt pavement material after just being mixed in second level a mixing bowl, then obtains product after being sufficiently mixed uniformly.Equipment of the present invention is simple, economical and practical, by using present device and mixing method, can guarantee to greatest extent newly plus gather materials with emulsified asphalt regenerative agent it is comprehensive uniformly, wrap, it ensure that new plus the gather materials uniformity mixed and stirred with waste asphalt pavement material, emulsified asphalt wrap the consistency of thickness, to ensure that the uniformity and total quality of regenerating mixture.
Description
Technical field
The present invention relates to bituminous concrete room temperature mixing apparatus and mixing method field, and in particular to a kind of asphalt
Cold in-plant recycling mixing apparatus and mixing method.
Background technique
At past 30 years, China carried out worldwide largest highway investment construction, public by the end of the end of the year 2015
The road total kilometrage that is open to traffic breaks through 4,500,000 kilometers, and wherein highway mileage open to traffic reaches 10.8 ten thousand kilometers, highway in China road network scale
It has ranked first in the world.The construction of a large amount of highway facilities consumes the natural resources of a large amount of preciousnesses, has not only broken up natural environment, and
And resource environment bearing load is aggravated；Natural resources is petered out, and the mankind are that there is a phenomenon where oppose increasingly for contention resource
It is more；Big or middle in highway facilities repairs and generates a large amount of waste and old ground surface material in reconstruction, and a large amount of waste and scrap, which generallys use, to be filled out
It buries equal measures to be handled, occupies limited land resource, pollution is generated to environment, while causing a large amount of resource wave
Take.
According to the preliminary statistics, China's only arterial highway medium-capital overhauling engineering will generate bituminous pavement waste asphalt pavement material every year
Material is up to 1.6 hundred million tons, and cement pavement waste asphalt pavement material is up to 30,000,000 tons.However, highway in China ground surface material recycles at present
Utilization rate is horizontal far below the rate utilized above of developed country 90% less than 30%, " promotes highway about quickening away from Department of Transportation
Ground surface material recycles the instruction of work " (hand over to the collective or the state road hair [2012] 489#) propose to " 12th Five-Year Plan " end highway pavement
Waste and scrap cyclic utilization rate reaches 50%, and the target that highway old pavement material cyclic utilization rate reaches 90% or more also has
Many gaps.For this purpose, being proposed in Department of Transportation's " 12th Five-Year Plan " environmental protection planning by emphasis difference building constructions recycle benefit
It is not less than 1000 kilometers using demonstration highway with demonstration highway, regenerating waste asphalt.Therefore, accelerate highway pavement waste and scrap
It recycles work to be imminent, and the development to highway circular economy is promoted, economizes on resources, reduces discharge and protection environment
Have and its important meaning.
The main approach of bituminous pavement waste asphalt pavement material circulation regeneration has hot in-plant reclaimed and plantmix cold
Two classes are regenerated, since bituminous surface central-plant mixing hot recycling waste asphalt pavement material volume is usually no more than 30%, it is difficult to consume
A large amount of bituminous pavement waste asphalt pavement material.Therefore, waste asphalt pavement material volume be up to 80% or so and it is energy saving
Emission reduction effect significant bituminous pavement cold in-plant recycling technology increasingly by everybody attention, and with cold recycling technology into
Step, cold regeneration mix application percentage are higher and higher.
High performance asphalt pavement cold in-plant recycling technology, which refers to, is transported to batching plant for the waste asphalt pavement material of recycling, warp
With the materials such as certain proportion and new mineral aggregate, extraordinary emulsified asphalt, cement, water and other additives in room temperature after broken, screening
Uniform mixing, room temperature making form a kind of regeneration techniques of road surface structare layer.In the cold in-plant recycling of early stage, 90% or more,
Even 100% is waste asphalt pavement material RAP, old bitumen pavement material is treated as " dark stone ", RAP's
Gradation is as mineral aggregate gradation, and the cold recycled asphalt mixture flexibility prepared in this way is had a surplus and rigidity is insufficient, and cracking resistance is good but high
Temperature stability is poor, especially on it making thicker hot-mix asphalt mixture surface layer when, cold renewal layer and hot spice layer have a common boundary
The cold regeneration mix in certain thickness at face is gradually heated in the effect of heat radiation, makes its performance to hot-laid mixture
Performance conversion；On the other hand, in use, under the effect of the various factors such as load, temperature, stress, with pushing away for time
It moves, the emulsified asphalt added in cold regeneration mix is also gradually merged with the pitch in waste asphalt pavement material, permeated, mutually
Conversion, makes entire cold regeneration mix tend to thoroughly homogenize, and performance is also converted to hot-laid mixture performance, in this feelings
Under condition, real mineral aggregate gradation is just played a crucial role in cold regeneration mix.Based on this theory, carrying out now
When cold regeneration mix designs, the mine in entire cold regeneration mix can may be more considered while considering RAP gradation
Expect gradation.It is well known that useless waste asphalt pavement material is after supercooling milling, crushing and screening, mineral aggregate gradation than its it is original
The gradation of road will carefully much, and this requires when carrying out cold renewal design, need to be added the more coarse grained new of more ratio
Gather materials.If these it is coarse grained newly gather materials and mixed and stirred together with Bituminous concrete surface material, inevitably result in new surface of aggregate and wrap
Pitch seldom, asphalt membrane it is very thin, or even generate a large amount of grey material, this just seriously affects the uniformity of mixture, usability
It can also have a greatly reduced quality, or even cannot form.And traditional cold-regeneration stirring apparatus is exactly this production technology mixed and stirred together, root
Originally can not meet now to cold regeneration mix uniformity, high performance requirement.
Summary of the invention
The purpose of the present invention is to provide a kind of defects for existing mixing apparatus, provide a kind of simple, economical and efficient
Make cold regeneration mix have uniformity and high performance asphalt cold in-plant recycling mixing apparatus.
Another object of the present invention is to provide a kind of mixing method is simple, the material mixed and stirred can be protected to greatest extent
Card newly gather materials with emulsified asphalt it is comprehensive uniformly, wrap, ensure that newly gather materials the uniformity mixed and stirred with waste asphalt pavement material,
Emulsified asphalt wraps the consistency of thickness, to ensure that the uniformity and total quality of regenerating mixture.
Technical solution of the present invention
The present invention provides a kind of cold in-plant recycling mixing apparatus of asphalt, including level-one a mixing bowl and second level stirring
Cylinder, the level-one a mixing bowl is set to the top of second level a mixing bowl, and is connect by flexible connecting device with second level a mixing bowl.
Level-one a mixing bowl, second level a mixing bowl are arranged up and down, eliminate the belt that level-one a mixing bowl is transported to second level a mixing bowl,
Occupied area is few, and is easy to overall package.
By designing two-stage a mixing bowl, to newly gathering materials in level-one a mixing bowl advance premixing and processing, then with waste asphalt
Ground surface material is further processed in second level a mixing bowl, substantially increases the uniformity of cold regeneration mix, is made it have more preferable
Performance.
Flexible connecting device can effectively prevent upper and lower a mixing bowl from resonating.
Preferably, the input and output material direction of level-one a mixing bowl and the input and output material direction of second level a mixing bowl are positioned opposite.So as to one
Continue to be stirred after grade a mixing bowl discharging to second level a mixing bowl.
Preferably, independent steelframe support is respectively adopted in the level-one a mixing bowl and second level a mixing bowl.
Preferably, the level-one a mixing bowl and second level a mixing bowl are Double-horizontal-shaft continuous mixer.
Preferably, the level-one a mixing bowl and second level a mixing bowl configure water supply, emulsified asphalt feeding mechanism, powder
Expect adding set, feed hopper, filler pipe, emulsified asphalt adding tube, discharge port.
Preferably, the flexible connecting device includes sequentially connected level-one a mixing bowl feed opening, top board, rubber nylon
Belt, lower platen, switching hopper, switching hopper flange plate, rubber pad, second level a mixing bowl cover board.
Preferably, rubber nylon belt is set between level-one a mixing bowl feed opening and switching hopper, on rubber nylon belt
Lower end passes through pressing plate respectively and fixes rubber nylon skin belting bolt, between second level a mixing bowl cover board and switching hopper flange plate
Rubber pad is set.
The generation when design of rubber nylon belt and rubber pad can effectively prevent level-one a mixing bowl and the operating of second level a mixing bowl
Resonance.
Preferably, double sparge pipes, the middle position of a mixing bowl stroke is arranged in level-one a mixing bowl and second level a mixing bowl feed end
Arrange single spraying water pipe；Every sparge pipe adds high pressure water along the gap of one 1mm wide of pipeline primary and secondary wire cutting；Double sparge pipe water sprays
Direction is sprayed on obliquely on charging curtain from the horizontal by 15 ° of angles, and effect can be obtained rapidly when aggregate enters a mixing bowl
Wetting；Straight down, effect is to be properly added water according to the proportion and mix state of mixture in middle position sparge pipe direction.
A kind of cold in-plant recycling mixing method newly gathers materials after level-one a mixing bowl carries out mixing and stirring processing in advance, stirs with second level
Waste asphalt pavement material mixing after just being mixed in cylinder, then product is obtained after being sufficiently mixed uniformly.
Preferably, it is described newly gather materials add water, regenerative agent and additive to carry out mixing and stirring processing in advance in level-one a mixing bowl.
Preferably, waste asphalt pavement material in second level a mixing bowl plus water, mix at the beginning of regenerative agent after again with mix and stir processing in advance
Mixing of newly gathering materials afterwards.
Preferably, after mixing, water, regenerative agent and additive is added and is further mixed and stirred.
Preferably, the regenerative agent is emulsified asphalt, and the additive is the powders such as miberal powder or cement.
Preferably, water is measured and is added by turbine flowmeter；Emulsified asphalt is measured by gear meter
And addition.
It is described newly to gather materials as gathering materials in the present invention, it is intended merely to distinguish and be named as new with waste asphalt pavement material
Gather materials.
During specifically mixing and stirring, it also can according to need the conventional additives or regenerative agent for adding other this fields.
Beneficial effects of the present invention
The present invention realizes the uniformity of the cold regeneration mix under new technology, high request, especially by first to thick new
Gather materials and individually mix and stir in advance, makes it before mixing and stirring with waste asphalt pavement material, it is uniform in new coarse granule surface of aggregate
Ground adheres to one layer of asphalt membrane.
The present invention has carried out thorough redesign to traditional mixing apparatus, newly gathers materials and emulsified asphalt head to reach
First carry out individually mixing and stirring in advance, then old pavement material carries out wetting uniform mixing, last the two together with the regenerative agent of addition
It mixes and stirs with additive to uniform purpose.The utility model is exactly to adapt to this requirement and the brand new designed and developed is set
Standby, it completely realizes above all functional requirements.
The cold in-plant recycling mixing apparatus can produce the factory met the requirements using level-one, second level a mixing bowl simultaneously together
Cold recycled asphalt mixture is mixed, and second level a mixing bowl can be used alone, directly with single uniform material mixing room temperature mixture.
In addition, newly gathering materials in the present invention and carrying out individually mixing and stirring in advance first with emulsified asphalt, then waste asphalt pavement material
Material carries out wetting uniform mixing, both last to mix and stir together with the regenerative agent of addition and additive to uniform purpose.
Cold in-plant recycling mixing apparatus of the present invention can select to add one or two kinds of regenerative agents according to the technological requirements,
Also it can select to be added simultaneously such as two kinds of powder additives of cement and miberal powder.
Measuring accuracy of the present invention is high, high-frequency signal acquisition process, closed-loop control high reliablity: emulsified asphalt addition uses
High-precision gear meter band digital display and data feedback, can adjust flow using closed-loop control in real time and export, guarantee proportion.Water
Addition equally can be adjusted flow output using closed-loop control in real time, be guaranteed using high-precision turbine flowmeter band data feedback
Ratio requirement.
In addition, pipe design flow capacity checking interface, gear meter and turbine flowmeter can be checked periodically.
The Homogeneity of Asphalt Mixture being prepared by means of the present invention is good, service performance is high good.
Cold in-plant recycling mixing apparatus of the present invention can guarantee that aggregate surface is filled by water rapidly after aggregate knocks down a mixing bowl
It shares in the benefit wet.Then sprinkling regenerative agent (emulsified asphalt) is mixed and stirred, it is practical prove emulsified asphalt and mixture wrap up in the non-convention of attached effect
Think.
Structure of the invention is compact: level-one a mixing bowl, second level a mixing bowl are arranged up and down, are eliminated level-one a mixing bowl and are transported to two
The belt of grade a mixing bowl, occupied area is few, and is easy to overall package.
Actual use also turns out, the mixture uniformity mixed and stirred by the method for the invention is very good, mixture property
Can be very superior, emulsified asphalt with gather materials to wrap up in attached effect ideal.
The present invention has very important realistic meaning, can turn waste into wealth, and be able to solve long-standing problem this field skill
The realistic problem of art personnel.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of present device；
In figure, 1, level-one a mixing bowl, 2, level-one a mixing bowl water supply, 3, level-one a mixing bowl pitch addition supply dress
Set, 4, level-one a mixing bowl powder adding device, 5, level-one a mixing bowl feed hopper, 6, flexible connecting device, 7, second level a mixing bowl into
Hopper, 8, second level a mixing bowl, 9, second level a mixing bowl powder adding device, 10, level-one a mixing bowl filler pipe, 11, level-one a mixing bowl
Emulsified asphalt adding tube, 12, second level a mixing bowl discharge port, 13, belt, 14, feed intake sensor device, 2 ', second level a mixing bowl water
Feeding mechanism, 3 ', second level a mixing bowl pitch addition feeding mechanism, 10 ', second level a mixing bowl filler pipe, 11 ', second level a mixing bowl cream
Change pitch adding tube.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited according to claim
Fixed and covering multitude of different ways is implemented.
Referenced in schematic 1,
A kind of cold plant-mixed regenerated asphalt mixture mixing apparatus that bilayer multistep is mixed and stirred, mainly by level-one a mixing bowl 1, second level
A mixing bowl 8, flexible connecting device 6, the aggregate bucket of multiple old aggregates and new aggregate, two filler bins, level-one belt conveyor,
Level-one a mixing bowl feed hopper 5, level-one a mixing bowl water supply 2, level-one a mixing bowl emulsified asphalt feeding mechanism 3, second belt
Conveying device, second level a mixing bowl feed hopper 7, level-one a mixing bowl filler pipe 10, level-one a mixing bowl emulsified asphalt adding tube 11, second level
Powder adding device 9, finished belt 13, second level a mixing bowl water supply, 3 ', second level a mixing bowl pitch addition feeding mechanism,
10 ', second level a mixing bowl filler pipe, 11 ', second level a mixing bowl emulsified asphalt adding tube, the composition such as finished product bin.
The equipment is able to satisfy complicated asphalt cold in-plant recycling multistep and mixes and stirs technique, while being able to achieve two kinds of addition
Cold renewal agent (emulsified asphalt) and two kinds of powder additives.Equipment working principle is described as follows:
Level-one a mixing bowl working principle: newly gather materials by level-one belt conveyor lead to level-one a mixing bowl feed hopper 5, into
Material mouth designs high-pressure injection water curtain, and water curtain injection direction obliquely, is sprayed on charging curtain from the horizontal by 15 ° of angles.Make new bone
The surface of material quickly can sufficiently be soaked in a mixing bowl, be ready for attachment cold renewal agent (such as emulsified asphalt).It is spraying
Latter two helical blade distance and position of water pipe arranges high-pressure emulsification pitch pipe, sprays the first cold renewal agent (such as emulsified asphalt),
The aggregate of cold renewal agent and wetting adds the first powder additive after mixing evenly and continues to stir, the setting of powder adding mouth
In six helical blade positions after emulsified asphalt spray line, four helical blade positions arrange one again after powder adding mouth
The adjustable high pressure cold renewal agent jet pipe of flow supplements cold renewal agent, finally arranges a high-pressure water pipe, supplements atomized water, water, cold
Continue the semi-finished product material that stirring is formed after the completion of regenerative agent (emulsified asphalt) and powder addition and imported into two from flexible connecting device 6
Grade a mixing bowl.
Second level a mixing bowl working principle: second level a mixing bowl is bigger than level-one a mixing bowl production capacity and agitation stroke is long.Old aggregate by
Second belt conveying device leads to second level a mixing bowl feed hopper 7, equally designs high-pressure injection water curtain in feed inlet, then arranges one
Root high pressure cold renewal agent jet pipe sprays second of cold renewal agent (emulsified asphalt).Attachment device 6 design second of distance it is cold again
Guan Houliu helical blade position is touched in raw agent, and the semi-finished product material in level-one a mixing bowl, which enters second level a mixing bowl and mixes with old aggregate, to be stirred
It mixes.And then powder adding device 9 is designed, second of powder additive is added.Four helical blade positions after powder adding mouth
The adjustable high-pressure regeneration agent pipe of a flow is arranged again, supplements second of cold renewal agent, finally arranges a high-pressure water pipe, supplement
Appropriate atomized water, the finished asphalt mixture finally stirred evenly drop down onto finished belt from discharge port 12, are transported in finished bin.
Production charging type and ratio are as shown in table 1:
Table 1
Mixing apparatus is equipped with three and newly gathers materials batch bin and four Geju City gather materials batch bin, and it is new that I storehouse of aggregate holds 0~2.36mm
Gather materials, II storehouse of aggregate holds 9.5~19mm and newly gathers materials, and III storehouse of aggregate is vacant, and IV storehouse of aggregate and VII storehouse of aggregate hold 0~8mm and give up
8~15mm waste asphalt pavement material is contained in old bitumen pavement material, V storehouse of aggregate, and VI storehouse of aggregate holds 15~30mm waste asphalt
Ground surface material；Two asphalt tanks hold emulsified asphalt；Two powder material tanks hold cement or miberal powder；
Input proportion in the operation interface, starting production after Operational preparation is ready.Firstly, I storehouse of aggregate, the metering of II storehouse of aggregate
Belt claims to start, and feeds intake belt operating into level-one a mixing bowl, then with level-one a mixing bowl by newly gathering materials for setting ratio dispensing
Water, emulsified asphalt, cement are successively added into level-one a mixing bowl, the new aggregate mixture after mixing and stirring in advance enters flexible connection dress
It sets.Meanwhile IV storehouse of aggregate, V storehouse of aggregate, VI storehouse of aggregate, VII storehouse measuring belt of aggregate claim to start, and launch by setting ratio useless
Old bitumen pavement material enters second level a mixing bowl with the belt operating that feeds intake of second level a mixing bowl, then to successively adding in second level a mixing bowl
Add water, emulsified asphalt, waste asphalt pavement material mixture carries out just mixing and stirring in second level a mixing bowl, then in second level a mixing bowl
One third travel position mixes again with the new aggregate mixture that flexible connecting device is fallen into, and continues to add miberal powder, a small amount of
Emulsified asphalt, a small amount of water continue to stir, and finished asphalt mixture is made, and finished product mixture is sent into finished product material by finished product material belt
Storehouse.
Above-mentioned water is measured and is added by turbine flowmeter；Emulsified asphalt is measured and is added by gear meter
Add；Cement, miberal powder are claimed to be measured and be added using spiral electron.
For the relatively old aggregate of new aggregate, surface is regular, smooth, and same specification aggregate opposing body surfaces product is small, it is known that new bone
The pitch adsorption energy of material is weaker than waste asphalt pavement material, wraps up in attached performance to improve the pitch of new aggregate, it is pre- to increase new aggregate
Mix process.After new aggregate wetting, emulsified asphalt is added, cement is then added, accelerates the de-emulsification speed of new aggregate mixture, is guaranteed
The pitch of new aggregate wraps up in attached effect.The finished product that the new aggregate mixture mixed and stirred in advance is formed after further mixing and stirring with old aggregate again mixes
Material, it is relatively uniform that the pitch of new and old aggregate wraps up in attached effect.
Claims (5)
1. a kind of cold in-plant recycling mixing apparatus of asphalt, which is characterized in that stirred including level-one a mixing bowl (1) and second level
It mixes cylinder (8), the level-one a mixing bowl (1) is set to the top of second level a mixing bowl (8), and passes through flexible connecting device (6) and second level
A mixing bowl (8) connection；
Independent steelframe support is respectively adopted in the level-one a mixing bowl and second level a mixing bowl；
The input and output material direction of level-one a mixing bowl (1) and the charging and discharging direction of second level a mixing bowl (8) are positioned opposite；
Double sparge pipes are arranged in level-one a mixing bowl and second level a mixing bowl feed end, and single spraying water is arranged in the middle position of a mixing bowl stroke
Pipe；Every sparge pipe adds high pressure water along the gap of one 1mm wide of pipeline primary and secondary wire cutting；Double sparge pipe water spraying directions and level
Direction is sprayed on obliquely on charging curtain at 15 ° of angles；Middle position sparge pipe direction is straight down；
The flexible connecting device includes sequentially connected level-one a mixing bowl feed opening, top board, rubber nylon belt, pushes
Plate, switching hopper, switching hopper flange plate, rubber pad, second level a mixing bowl cover board, the design energy of rubber nylon belt and rubber pad
It effectively prevent level-one a mixing bowl (1) and second level a mixing bowl (8) to generate resonance when operating.
2. cold in-plant recycling mixing apparatus according to claim 1, which is characterized in that the level-one a mixing bowl (1) and two
Grade a mixing bowl (8) configures water supply, emulsified asphalt feeding mechanism, powder adding device, feed hopper, filler pipe, emulsification
Pitch adding tube, discharge port.
3. using the cold in-plant recycling mixing method of any one of the claim 1-2 equipment, which is characterized in that newly gather materials one
Grade a mixing bowl carries out after mixing and stirring processing in advance, mixes with the waste asphalt pavement material after just mixing in second level a mixing bowl, then through abundant
Product is obtained after uniform mixing；
It is described newly gather materials add water, regenerative agent and additive to carry out mixing and stirring processing in advance in level-one a mixing bowl；
Waste asphalt pavement material in second level a mixing bowl plus water, mix at the beginning of regenerative agent after again with mix and stir that treated in advance and newly gather materials it is mixed
It closes.
4. cold in-plant recycling mixing method according to claim 3, which is characterized in that after mixing, add water, regenerative agent
It is mixed and stirred with additive.
5. cold in-plant recycling mixing method according to claim 3, which is characterized in that the regenerative agent is emulsified asphalt,
The additive is miberal powder or cement；Water is measured and is added by turbine flowmeter；Emulsified asphalt passes through gear meter
It is measured and is added.
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| CN201610352922.8A CN106012760B (en) | 2016-05-25 | 2016-05-25 | A kind of the cold in-plant recycling mixing apparatus and mixing method of asphalt |
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| CN201610352922.8A CN106012760B (en) | 2016-05-25 | 2016-05-25 | A kind of the cold in-plant recycling mixing apparatus and mixing method of asphalt |
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| CN106012760B true CN106012760B (en) | 2019-01-01 |
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| CN106555373A (en) * | 2017-01-25 | 2017-04-05 | 北京加隆工程机械有限公司 | A kind of batch (-type) road waste asphalt material cold renewal equipment |
| CN108708250B (en) * | 2018-07-04 | 2024-01-05 | 河南亚龙智能装备有限公司 | Full regeneration facility of old and useless asphalt mixture |
| CN109024164A (en) * | 2018-08-01 | 2018-12-18 | 福建铁拓机械有限公司 | A kind of production equipment and method of continous way action of forced stirring asphalt |
| CN109342705B (en) * | 2018-12-12 | 2021-06-15 | 长沙理工大学 | Indoor test operation method and device for vibration mixing of asphalt mixture |
| CN109972481A (en) * | 2019-04-29 | 2019-07-05 | 宋学忠 | A kind of paver with continuous online agitating function |
| CN112921769A (en) * | 2019-12-06 | 2021-06-08 | 宋学忠 | Bituminous paving mixes in situ and paves all-in-one |
| CN111794046A (en) * | 2020-06-11 | 2020-10-20 | 福建省铁拓机械股份有限公司 | Stepped stirring method for asphalt mixture |
| CN113235359B (en) * | 2021-01-26 | 2023-03-31 | 常德熠联新材料有限公司 | Production and processing technology of anti-ultraviolet aging asphalt |
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| CN103790093A (en) * | 2014-01-06 | 2014-05-14 | 徐州徐工筑路机械有限公司 | Feeding and blending technology and feeding and blending device for cold recycling of emulsified asphalt factory |
| CN205775723U (en) * | 2016-05-25 | 2016-12-07 | 湖南云中再生科技股份有限公司 | The cold plant-mixed regenerated asphalt compound mixing apparatus that a kind of double-deck multistep is mixed and stirred |
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