CN107165026A - Sub-material and mixing and stirring system for producing modified pitch - Google Patents
Sub-material and mixing and stirring system for producing modified pitch Download PDFInfo
- Publication number
- CN107165026A CN107165026A CN201710571292.8A CN201710571292A CN107165026A CN 107165026 A CN107165026 A CN 107165026A CN 201710571292 A CN201710571292 A CN 201710571292A CN 107165026 A CN107165026 A CN 107165026A
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- Prior art keywords
- building stones
- mixing
- group
- sub
- modified pitch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- E01C19/05—Crushing, pulverising or disintegrating apparatus; Aggregate screening, cleaning, drying or heating apparatus; Dust-collecting arrangements specially adapted therefor
-
- 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
- E01C19/1013—Plant characterised by the mode of operation or the construction of the mixing apparatus; Mixing apparatus
- E01C19/104—Mixing by means of movable members in a non-rotating mixing enclosure, e.g. stirrers
-
- 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
- E01C19/1059—Controlling the operations; Devices solely for supplying or proportioning the ingredients
- E01C19/1068—Supplying or proportioning the ingredients
- E01C19/1072—Supplying or proportioning the ingredients the solid ingredients
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Sub-material and mixing and stirring system for producing modified pitch, ingredient sector is sorted including building stones and hot material mixes mechanism, the building stones sorting ingredient sector includes batch mixing stir storehouse, building stones screening machine, a building stones measuring chute, No. two building stones measuring chutes, No. three building stones measuring chutes, No. four building stones measuring chutes, one group of Weighing valve and discharge nozzle, and the top of the batch mixing stir storehouse is open funnel-form warehouse;The invention provides the sub-material and mixing and stirring system for producing modified pitch, reasonable in design, sub-material is carried out to the building stones of different-diameter, and it is precisely controlled corresponding specification building stones consumption, be conducive to the quality control of modified pitch, the thermal agitation to the various dispensings of modified pitch can be efficiently completed simultaneously, it is safe and reliable, with good practical value.
Description
Technical field
The present invention relates to equipment of producing modified asphalt technical field, and in particular to for producing the sub-material of modified pitch and mixing
Close stirring system.
Background technology
Many changes occur for highroad and road:The magnitude of traffic flow and traveling frequency sharp increase, the axle weight of freight is not
Disconnected increase, generally carries out divided lane one-way traffic, it is desirable to further improve the energy of Rut resistance under road surface resistance to flow, i.e. high temperature
Power;Improve flexible and elasticity, i.e., the ability of cracking resistance under low temperature;Improve abrasion performance ability and increase the service life.Modern architecture
Thing generally uses large-span prestressed roof boarding, it is desirable to which roof waterpoof material adapts to big displacement, more tolerant to harsh height wet
Time condition, durability more preferably, there is tack, and convenient construction reduces maintenance load.These changes that use environment occurs are to stone
The performance of oil asphalt proposes stern challenge.To petroleum asphalt modified, above-mentioned harsh use requirement is adapted it to, people is caused
Attention.
At present, existing modified pitch is mainly mixed in proportion by the building stones of different size, pitch and miberal powder additive
Close stirring to form, existing building stones do not have to be sieved before stir storehouse is entered, and are so unfavorable for all size building stones consumption
Control, be unfavorable for needing in the control of product quality, modified pitch production line carrying out various dispensings at high temperature with pitch
Thermal agitation, existing rabbling mechanism stirring efficiency is low.
The content of the invention
The purpose of the present invention primarily to for above-mentioned technical problem, and provide sub-material for producing modified pitch and
Mixing and stirring system.
The present invention includes building stones and sorts ingredient sector and hot material mixing mechanism, and the building stones sorting ingredient sector includes
Batch mixing stir storehouse, building stones screening machine, building stones measuring chute, No. two building stones measuring chutes, No. three building stones measuring chutes, a No. four building stones meters
Storehouse, one group of Weighing valve and discharge nozzle are measured, the top of the batch mixing stir storehouse is open funnel-form warehouse, the building stones
The frame of screening machine is fixedly mounted on the side of batch mixing stir storehouse, and one group of discharging opening of building stones screening machine is located at batch mixing stir storehouse
Top, a building stones measuring chute, No. two building stones measuring chutes, No. three building stones measuring chutes and No. four building stones measuring chutes are solid respectively
Dingan County mounted in batch mixing stir storehouse open top at, one group of Weighing valve be separately mounted to a building stones measuring chute,
The exit of No. two building stones measuring chutes, No. three building stones measuring chutes and No. four building stones measuring chutes, one end of the discharge nozzle is arranged on
The exit of batch mixing stir storehouse, building stones sorting ingredient sector include mixing and stirring tank, bitumen feed pipe, building stones feed hopper,
Steam pipe coil, miberal powder pipe, discharge nozzle and agitating device, the mixing and stirring tank are provided with bitumen feed mouth, building stones charging aperture, steam
Coil inlet, steam pipe coil outlet, miberal powder entrance, modified asphalt outlet and one group of agitating shaft mounting hole, the bitumen feed pipe,
Building stones feed hopper, miberal powder pipe and discharge nozzle connect with bitumen feed mouth, building stones charging aperture, miberal powder entrance and modified asphalt outlet respectively
Lead to, and the entrance of building stones feed hopper is connected with discharge nozzle, entrance and the outlet of the steam pipe coil are each passed through steam pipe coil and entered
Mouth and steam pipe coil outlet, the agitating device include one group of agitating shaft and one group of helical mixing blade, one group of agitating shaft
One end be movably arranged on respectively by bearing block at one group of agitating shaft mounting hole, and one group of agitating shaft from top to bottom equi-spaced apart
Interlaced arrangement, one group of helical mixing blade is respectively and fixedly installed on one group of agitating shaft.
The building stones sorting ingredient sector also has outlet Weighing valve, and one end of the discharge nozzle is by exporting poidometer
Measure the exit that valve is arranged on batch mixing stir storehouse.
The building stones sorting ingredient sector also has waste material pipe and splicing funnel, and the waste material pipe is fixedly mounted on batch mixing stirring
The side in storehouse, the top of the waste material pipe is provided with splicing funnel, and splicing funnel is located at the lower section of building stones screening machine caudal end egress.
Building stones sorting ingredient sector also has one group of decelerating through motor thermomechanical components, one group of decelerating through motor thermomechanical components it is dynamic
Power output shaft is connected with one group of agitating shaft transmission respectively.
The building stones sorting ingredient sector also has baiting valve, and the discharge nozzle is connected in mixing and stirring tank by baiting valve
At modified asphalt outlet.
The mixing and stirring tank is composited by sandwich construction, and the tank skin of mixing and stirring tank is followed successively by stainless steel from outside to inside
Surrounding layer, outer glass layer, vacuum interlayer, interior stainless steel layer and interior ceramic coating.
The method have the advantages that:The invention provides the sub-material and mixing and stirring system for producing modified pitch, structure is set
Meter is reasonable, and sub-material is carried out to the building stones of different-diameter, and is precisely controlled corresponding specification building stones consumption, is conducive to the matter of modified pitch
Control is measured, while the thermal agitation to the various dispensings of modified pitch can be efficiently completed, it is safe and reliable, with good practical valency
Value.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is building stones sorting ingredient sector structural representation of the present invention.
Fig. 3 is that hot material of the present invention mixes mechanism structural representation.
Fig. 4 is the cross section structure schematic diagram that the present invention mixes tank skin.
Embodiment
As shown in drawings, the present invention includes building stones sorting ingredient sector and hot material mixes mechanism, the building stones sorting
Ingredient sector include batch mixing stir storehouse 50, building stones screening machine 51, building stones measuring chute 52, No. two building stones measuring chutes 53, No. three
Building stones measuring chute 54, No. four building stones measuring chutes 55, one group of Weighing valve 56 and discharge nozzle 57, the batch mixing stir storehouse 50
Top is open funnel-form warehouse, and the frame of the building stones screening machine 51 is fixedly mounted on the side of batch mixing stir storehouse 50, and
One group of discharging opening of building stones screening machine 51 is located at the top of batch mixing stir storehouse 50, a building stones measuring chute 52, No. two building stones
The top that measuring chute 53, No. three building stones measuring chutes 54 and No. four building stones measuring chutes 55 are respectively and fixedly installed to batch mixing stir storehouse 50 is opened
At mouthful, one group of Weighing valve 56 is separately mounted to a building stones measuring chute 52, No. two building stones measuring chutes 53, No. three stones
Expect the exit of measuring chute 54 and No. four building stones measuring chutes 55, one end of the discharge nozzle 57 is arranged on going out for batch mixing stir storehouse 50
At mouthful, the building stones sorting ingredient sector includes mixing and stirring tank 70, bitumen feed pipe 71, building stones feed hopper 72, steam pipe coil
73rd, miberal powder pipe 74, discharge nozzle 75 and agitating device, the mixing and stirring tank 70 are provided with bitumen feed mouth, building stones charging aperture, steam
Coil inlet, steam pipe coil outlet, miberal powder entrance, modified asphalt outlet and one group of agitating shaft mounting hole, the bitumen feed pipe
71st, building stones feed hopper 72, miberal powder pipe 74 and discharge nozzle 75 respectively with bitumen feed mouth, building stones charging aperture, miberal powder entrance and modification
Asphalt outlet is connected, and the entrance of building stones feed hopper 72 is connected with discharge nozzle 57, entrance and the outlet point of the steam pipe coil 73
Not Chuan Guo steam pipe coil entrance and steam pipe coil outlet, the agitating device include one group of agitating shaft 76 and one group of auger leaf
Piece 77, one end of one group of agitating shaft 76 is movably arranged at one group of agitating shaft mounting hole by bearing block respectively, and one group
The from top to bottom equi-spaced apart interlaced arrangement of agitating shaft 76, one group of helical mixing blade 77 is respectively and fixedly installed to one group of stirring
On axle 76.
The building stones sorting ingredient sector also has outlet Weighing valve 58, and one end of the discharge nozzle 57 is claimed by exporting
Metering valve 58 is arranged on the exit of batch mixing stir storehouse 50.
The building stones sorting ingredient sector also has waste material pipe 59 and splicing funnel 60, and the waste material pipe 59 is fixedly mounted on mixed
Expect the side of stir storehouse 50, the top of the waste material pipe 59 is provided with splicing funnel 60, and splicing funnel 60 is located at building stones screening machine
The lower section of 51 caudal end egresses.
The building stones sorting ingredient sector also has one group of decelerating through motor thermomechanical components 78, one group of decelerating through motor thermomechanical components 78
Power output shaft be connected respectively with the transmission of one group of agitating shaft 76.
The building stones sorting ingredient sector also has baiting valve 79, and the discharge nozzle 75 is connected by baiting valve 79 to be stirred in mixing
At the modified asphalt outlet for mixing tank 70.
The mixing and stirring tank 70 is composited by sandwich construction, and the tank skin of mixing and stirring tank 70 is followed successively by not from outside to inside
Become rusty steel surrounding layer 70-1, outer glass layer 70-2, vacuum interlayer 70-3, interior stainless steel layer 70-4 and interior ceramic coating 70-5.
Using the mixing and stirring tank 70 of multi-layer compound structure, heat insulation effect is protruded, it is to avoid the loss of heat, interior ceramic coating 70-5 can be kept away
The material exempted from agitator tank corrodes to tank body.
Working method and principle:Mixing building stones in the Drying of front end are lifted entering to building stones screening machine 51 by elevator
Mouthful, building stones screening machine 51 carries out level Four screening according to the diameter of building stones, and corresponding level Four building stones are respectively fallen in a building stones meter
Storehouse 52 is measured, in No. two building stones measuring chutes 53, No. three building stones measuring chutes 54, No. four building stones measuring chutes 55, after the completion of screening, according to changing
Property asphalt formulations part by weight, one group of Weighing valve 56 opens, and puts the corresponding specification building stones of setting quality, is finally completed
The proportioning of building stones, exceeded building stones drop into splicing funnel 60 from the tail end of building stones screening machine 51, and are finally exported from waste material pipe 59,
The mixing building stones that setting weight can be put by opening outlet Weighing valve 58 fall into building stones feed hopper 72, and enter mixing
Tank 70, pitch is passed into mixing and stirring tank 70 by bitumen feed pipe 71, and miberal powder etc. adds auxiliary material and is passed into by miberal powder pipe 74
Mixing and stirring tank 70, steam pipe coil 73 is passed through inside mixing and stirring tank 70, it is ensured that the hot environment in whipping process, so as to drop
The density of low pitch, reduces stirring resistance, and one group of decelerating through motor thermomechanical components 78 is opened drives one group of 76 turns of agitating shaft respectively
It is dynamic, so that drive installation completes the thermal agitation of modified pitch, after the completion of stirring, beaten in one group of helical mixing blade 77 thereon
Open the mixing work that baiting valve 79 completes modified pitch.
Claims (6)
1. for producing the sub-material and mixing and stirring system of modified pitch, it is characterised in that it include building stones sorting ingredient sector and
Hot material mixes mechanism, and the building stones sorting ingredient sector includes batch mixing stir storehouse(50), building stones screening machine(51), a stone
Expect measuring chute(52), No. two building stones measuring chutes(53), No. three building stones measuring chutes(54), No. four building stones measuring chutes(55), one group claim
Metering valve(56)And discharge nozzle(57), the batch mixing stir storehouse(50)Top be open funnel-form warehouse, the stone
Material screen extension set(51)Frame be fixedly mounted on batch mixing stir storehouse(50)Side, and building stones screening machine(51)One group of discharging opening
Positioned at batch mixing stir storehouse(50)Top, a building stones measuring chute(52), No. two building stones measuring chutes(53), No. three building stones meters
Measure storehouse(54)With No. four building stones measuring chutes(55)It is respectively and fixedly installed to batch mixing stir storehouse(50)Open top at, described one group
Weighing valve(56)It is separately mounted to a building stones measuring chute(52), No. two building stones measuring chutes(53), No. three building stones meterings
Storehouse(54)With No. four building stones measuring chutes(55)Exit, the discharge nozzle(57)One end be arranged on batch mixing stir storehouse(50)'s
Exit, the building stones sorting ingredient sector includes mixing and stirring tank(70), bitumen feed pipe(71), building stones feed hopper(72)、
Steam pipe coil(73), miberal powder pipe(74), discharge nozzle(75)And agitating device, the mixing and stirring tank(70)Provided with bitumen feed
Mouth, the outlet of building stones charging aperture, steam pipe coil entrance, steam pipe coil, miberal powder entrance, modified asphalt outlet and one group of agitating shaft are installed
Hole, the bitumen feed pipe(71), building stones feed hopper(72), miberal powder pipe(74)And discharge nozzle(75)Respectively with bitumen feed mouthful,
Building stones charging aperture, miberal powder entrance are connected with modified asphalt outlet, and building stones feed hopper(72)Entrance and discharge nozzle(57)Connection,
The steam pipe coil(73)Entrance and outlet be each passed through steam pipe coil entrance and steam pipe coil is exported, the agitating device bag
Include one group of agitating shaft(76)With one group of helical mixing blade(77), one group of agitating shaft(76)One end pass through bearing block respectively
It is movably arranged at one group of agitating shaft mounting hole, and one group of agitating shaft(76)From top to bottom equi-spaced apart interlaced arrangement, described one
Group helical mixing blade(77)It is respectively and fixedly installed to one group of agitating shaft(76)On.
2. according to claim(1)The described sub-material and mixing and stirring system that are used to produce modified pitch, it is characterised in that institute
State building stones sorting ingredient sector and also have outlet Weighing valve(58), the discharge nozzle(57)One end by exporting Weighing
Valve(58)Installed in batch mixing stir storehouse(50)Exit.
3. the sub-material and mixing and stirring system according to claim 1 for being used to produce modified pitch, it is characterised in that described
Building stones sorting ingredient sector also has waste material pipe(59)With splicing funnel(60), the waste material pipe(59)It is fixedly mounted on batch mixing stirring
Storehouse(50)Side, the waste material pipe(59)Top be provided with splicing funnel(60), and splicing funnel(60)Positioned at building stones screening
Machine(51)The lower section of caudal end egress.
4. the sub-material and mixing and stirring system according to claim 1 for being used to produce modified pitch, it is characterised in that described
Building stones sorting ingredient sector also has one group of decelerating through motor thermomechanical components(78), one group of decelerating through motor thermomechanical components(78)Power it is defeated
Shaft respectively with one group of agitating shaft(76)Transmission is connected.
5. the sub-material and mixing and stirring system according to claim 1 for being used to produce modified pitch, it is characterised in that described
Building stones sorting ingredient sector also has baiting valve(79), the discharge nozzle(75)Pass through baiting valve(79)Connection is in mixing and stirring tank
(70)Modified asphalt outlet at.
6. the sub-material and mixing and stirring system according to claim 1 for being used to produce modified pitch, it is characterised in that described
Mixing and stirring tank(70)It is composited by sandwich construction, mixing and stirring tank(70)Tank skin be followed successively by stainless steel outsourcing from outside to inside
Layer(70-1), outer glass layer(70-2), vacuum interlayer(70-3), interior stainless steel layer(70-4)With interior ceramic coating(70-
5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710571292.8A CN107165026A (en) | 2017-07-13 | 2017-07-13 | Sub-material and mixing and stirring system for producing modified pitch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710571292.8A CN107165026A (en) | 2017-07-13 | 2017-07-13 | Sub-material and mixing and stirring system for producing modified pitch |
Publications (1)
Publication Number | Publication Date |
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CN107165026A true CN107165026A (en) | 2017-09-15 |
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ID=59820600
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CN201710571292.8A Pending CN107165026A (en) | 2017-07-13 | 2017-07-13 | Sub-material and mixing and stirring system for producing modified pitch |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107447626A (en) * | 2017-07-26 | 2017-12-08 | 湖北圣通石化有限公司 | For producing the sub-material and mixing and stirring system of modified pitch |
CN108130841A (en) * | 2017-11-14 | 2018-06-08 | 浙江大学 | A kind of modified pitch sand agitator |
CN110344303A (en) * | 2018-04-02 | 2019-10-18 | 利越集团有限公司 | Petroleum Asphalt Mixture for Road Lower device and method |
CN111648203A (en) * | 2020-07-06 | 2020-09-11 | 宿迁市高速铁路建设发展有限公司 | Asphalt waste collecting and treating equipment for road traffic construction |
CN112458830A (en) * | 2020-12-01 | 2021-03-09 | 浙江春天建设有限公司 | Grading method of cold-recycling mixture |
CN112516908A (en) * | 2020-11-20 | 2021-03-19 | 南通路桥工程有限公司 | Adding device for aggregate in asphalt mixture |
Citations (5)
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DE1802201A1 (en) * | 1968-10-10 | 1970-05-14 | Mitteldeutsche Hartstein Ind A | Regulating the final temperature of minerals after - heating |
CN201330362Y (en) * | 2008-12-29 | 2009-10-21 | 长安大学 | Intermittent warm asphalt stirring equipment |
CN101623610A (en) * | 2009-08-06 | 2010-01-13 | 郝志付 | Asphalt mixture stirring device |
CN102535636A (en) * | 2011-12-14 | 2012-07-04 | 郎溪县恒云工程机械有限公司 | H-type steel module assembly structure for asphalt mixing plant |
KR20130078000A (en) * | 2011-12-30 | 2013-07-10 | 송진수 | Hot silo with heat sources system using carbon fiber |
-
2017
- 2017-07-13 CN CN201710571292.8A patent/CN107165026A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1802201A1 (en) * | 1968-10-10 | 1970-05-14 | Mitteldeutsche Hartstein Ind A | Regulating the final temperature of minerals after - heating |
CN201330362Y (en) * | 2008-12-29 | 2009-10-21 | 长安大学 | Intermittent warm asphalt stirring equipment |
CN101623610A (en) * | 2009-08-06 | 2010-01-13 | 郝志付 | Asphalt mixture stirring device |
CN102535636A (en) * | 2011-12-14 | 2012-07-04 | 郎溪县恒云工程机械有限公司 | H-type steel module assembly structure for asphalt mixing plant |
KR20130078000A (en) * | 2011-12-30 | 2013-07-10 | 송진수 | Hot silo with heat sources system using carbon fiber |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107447626A (en) * | 2017-07-26 | 2017-12-08 | 湖北圣通石化有限公司 | For producing the sub-material and mixing and stirring system of modified pitch |
CN108130841A (en) * | 2017-11-14 | 2018-06-08 | 浙江大学 | A kind of modified pitch sand agitator |
CN110344303A (en) * | 2018-04-02 | 2019-10-18 | 利越集团有限公司 | Petroleum Asphalt Mixture for Road Lower device and method |
CN110344303B (en) * | 2018-04-02 | 2021-02-09 | 利越集团有限公司 | Road petroleum asphalt mixture device and method |
CN111648203A (en) * | 2020-07-06 | 2020-09-11 | 宿迁市高速铁路建设发展有限公司 | Asphalt waste collecting and treating equipment for road traffic construction |
CN112516908A (en) * | 2020-11-20 | 2021-03-19 | 南通路桥工程有限公司 | Adding device for aggregate in asphalt mixture |
CN112458830A (en) * | 2020-12-01 | 2021-03-09 | 浙江春天建设有限公司 | Grading method of cold-recycling mixture |
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Application publication date: 20170915 |