CN107905062A - A kind of warm mix mixture preparation facilities in foamed asphalt room - Google Patents
A kind of warm mix mixture preparation facilities in foamed asphalt room Download PDFInfo
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- CN107905062A CN107905062A CN201711225090.4A CN201711225090A CN107905062A CN 107905062 A CN107905062 A CN 107905062A CN 201711225090 A CN201711225090 A CN 201711225090A CN 107905062 A CN107905062 A CN 107905062A
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- Prior art keywords
- foamed asphalt
- nozzle
- water
- foaming
- asphalt
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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
- E01C19/08—Apparatus for transporting and heating or melting asphalt, bitumen, tar, or the like
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a kind of warm mix mixture preparation facilities in foamed asphalt room, belongs to bitumen treatment technical field, and device includes heated bitumen feed system, foaming water supply system, foamed asphalt generating system and control system；Wherein, the heated bitumen feed system is connected with foamed asphalt generating system；The foaming water supply system is connected with foamed asphalt generating system；Wherein, the foamed asphalt generating system is made of heated bitumen nozzle, foaming (operating) water nozzle, foaming tube, foam uniformity controlling net and foamed asphalt nozzle；The control system is made of small PLC and touch-screen.Present invention efficiently solves the indoor preparation problem of warm mix mix material proportioning design phase foamed asphalt, there is the advantages that simple in structure, easy to maintain, and mixing building foamed asphalt production equipment Performance Match, foamed asphalt gas release is big, uniform in foaming.
Description
Technical field
The invention belongs to field of bitumen technology, more particularly to a kind of warm mix mixture preparation facilities in foamed asphalt room.
Background technology
With the getting worse of environmental degradation and power consumption, energy-saving and emission-reduction, low-carbon have become the focus of common concern.Pass
The hot-mix asphalt mixture production temperature of system is high, and the production temperature of Petroleum Asphalt Mixture for Road Lower changes between 150~170 DEG C
The production temperature of property asphalt between 150~170 DEG C, the production temperature of rubber-asphalt mixture to reach 180 DEG C with
On, therefore high energy consumption, discharge are greatly.
Warm-mixed asphalt pavement technique is an emerging road building technology.Earliest originating from Europe, China is reached in recent years, and pass
The hot asphalt road surface of system is compared, and the performance on warm-mixed asphalt road surface is suitable, can but reduce by 30~50 DEG C of construction temperature, saves energy
Source 30%, while the discharge of the gases such as CO2, SO2, NOX is greatly reduced.It is becoming tight in energy day, to emission reduction requirement increasingly
In high " the low-carbon epoch ", warm mix technology has obtained more and more applications in Bituminous Pavement Construction.
Place with Foamed Asphalt is synchronously to be added to a certain proportion of water and heated bitumen in foam device, cold water heat pitch
Drastically vaporize, rapid spatial expansion, generate foamed asphalt.Pitch is mixed cylinder with foam form penetrating and is mixed with aggregate blending into pitch
Material, the viscosity of foamed asphalt substantially reduce, workability enhancing so that plate form rubber can be mixed than conventional hot asphalt
Close mix and construction in the case of expecting low 20~30 DEG C.Since place with Foamed Asphalt need not add any extra chemistry addition
Agent, it is only necessary to which the water of pitch amount 1~2%, its system energy consumption is lower, is a kind of bituminous mixture technology of really green.
The country has been installed on the foamed asphalt production equipment of mixing building at present, but in the proportion design stage of mixture
Only need to use less amount of foamed asphalt cementitious matter, it is impossible to start mixing building and carry out foamed asphalt production, and due to foam
The half-life period of pitch in itself only has 10~30 seconds, and it is both uneconomical to prepare foamed asphalt using mixing building, can not complete analog bubble
The actual mix state of foam warm mix mixture.Therefore, the indoor preparation of foamed asphalt is carried out for promoting foamed asphalt warm mix skill
Art just seems extremely urgent.
Preparation equipment is the indoor foaming machine of Witt, Germany root company in domestic current only foamed asphalt room, but it is led
Prepared by the simulation for being used for foamed asphalt in cold regeneration mix, there are larger difference with the present invention for manufacturing parameter and structure.Separately
Outside, the related patents of domestic foamed asphalt relate generally to the structure of foaming nozzle.
The content of the invention
Present invention solves the technical problem that：For above-mentioned deficiency, the defects of overcoming the prior art, the purpose of the present invention is carry
For preparation facilities in a kind of warm mix mixture foamed asphalt room.
Technical scheme：A kind of warm mix mixture preparation facilities in foamed asphalt room, device include heated bitumen
Feed system, foaming water supply system, foamed asphalt generating system and control system；
Wherein, the heated bitumen feed system by controllable temperature asphalt storage, oil line pipe, for solenoid, oil return electromagnetism
Valve, bitumenpump, oil circuit pressure control valve, oil way check valve and oil returning tube are formed；
Controllable temperature asphalt storage is connected by pipeline with foamed asphalt generating system, is occurred in oil line pipe to foamed asphalt
System sets gradually bitumenpump, oil circuit pressure control valve, for solenoid and oil way check valve, one end of oil returning tube and fuel feeding
Oil line pipe between solenoid valve and oil circuit pressure control valve is connected, and the other end leads to controllable temperature asphalt storage, in oil returning tube
It is equipped with oil return solenoid valve；
Wherein, it is described foaming water supply system by water tank, waterway pipe, water supply electromagnetic valve, backwater solenoid valve, water pump,
Flowmeter, water route pressure-control valve, water route check-valves and water return pipeline are formed；
Foaming water supply system is connected by waterway pipe with foamed asphalt generating system, leads to foam drip in waterway pipe
The direction of blue or green generating system, sets gradually water pump, flowmeter, water route pressure-control valve, water supply electromagnetic valve and water route check-valves,
Waterway pipe between water route pressure-control valve and water supply electromagnetic valve is equipped with a water return pipeline, is connected with water tank, is returning
Waterpipe is equipped with backwater solenoid valve；
Wherein, the foamed asphalt generating system is by heated bitumen nozzle, foaming (operating) water nozzle, foaming tube, foam uniformity control
Net and foamed asphalt nozzle processed is formed；
Heated bitumen nozzle and foaming (operating) water nozzle are respectively arranged on both sides at the top of foaming tube, wherein, heated bitumen nozzle and oil-way pipe
Road is connected, foaming (operating) water nozzle be connected with waterway pipe, foamed asphalt nozzle be arranged on foam bottom of the tube, foaming tube lower inside,
Foam uniformity controlling net is equipped with foamed asphalt nozzle；
Wherein, the control system is made of small PLC and touch-screen, and wherein small PLC is as data processing and control
Device, PLC are connected with the pump in each system and solenoid valve, and touch-screen is used as director data input, output display.
Preferably, the controllable temperature asphalt storage capacity is being 100 DEG C~200 DEG C for 1L-5L, heat-preserving range.
Preferably, the water storage tankage size is for 1L-5L.
Preferably, the water pump is variable frequency pump.
It is threadedly connected to preferably, the heated bitumen nozzle uses at the top of foaming tube.
Preferably, the heated bitumen nozzle uses variable diameters mode, outlet diameter is 1~3mm.
Preferably, the foaming (operating) water nozzle is the solid fan nozzle of counterflow-preventing.
Preferably, it is Y-shaped that the foaming tube, which is shape, upper end connects heated bitumen nozzle and foaming (operating) water nozzle respectively,
Lower end connects foamed asphalt nozzle, and barrel diameter is 5~20mm, and length is 3~10cm.
Preferably, the heated bitumen nozzle, foaming (operating) water nozzle and foamed asphalt nozzle pass through screw thread and foaming tube respectively
It is connected.
Preferably, the foam uniformity controlling net is circular metal net, square net shape, the length of side for 2mm~
10mm, is fixed on foaming arranged on foamed asphalt spray nozzle front end, and using wire by foamed asphalt nozzle threads position groove
In pipe.
Preferably, the foamed asphalt nozzle is to use to be threadedly connected on foaming tube, nozzle uses variable diameters mode,
Outlet diameter is 5mm~15mm.
Beneficial effect：Indoor preparation present invention efficiently solves warm mix mix material proportioning design phase foamed asphalt is asked
Topic, has simple in structure, easy to maintain, an and mixing building foamed asphalt production equipment Performance Match, foamed asphalt gas release is big,
The advantages that uniform in foaming.
Brief description of the drawings
Fig. 1 is the structure letter of heated bitumen feed system in preparation facilities in warm mix mixture foamed asphalt room of the present invention
Figure.
In figure：1st, controllable temperature asphalt storage；2nd, oil line pipe；3rd, for solenoid；4th, oil return solenoid valve；5th, bitumenpump；
6th, oil circuit pressure control valve；7th, oil way check valve；2-1, oil returning tube.
Fig. 2 is the structure letter of foaming water supply system in preparation facilities in warm mix mixture foamed asphalt room of the present invention
Figure.
In figure：8th, water tank；9th, waterway pipe；10th, water supply electromagnetic valve；11st, backwater solenoid valve；12nd, water pump；13rd, water route
Flowmeter；14th, water route pressure-control valve；15th, water route check-valves；9-1 water return pipelines.
Fig. 3 is the signal of foamed asphalt generating system in preparation facilities in warm mix mixture foamed asphalt room of the present invention
Figure.
In figure：16th, heated bitumen nozzle；17th, foam (operating) water nozzle；18th, foaming tube；19th, foam uniformity controlling net；20th, steep
Foam asphalt nozzle.
Fig. 4 is the schematic diagram of heated bitumen nozzle.
Fig. 5 is the schematic diagram of foamed asphalt nozzle.
Fig. 6 is the schematic diagram of foam uniformity controlling net.
In figure：19th, foam uniformity controlling net；21st, wire.
Embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described with reference to embodiment, still
It should be appreciated that these descriptions are simply further explanation the features and advantages of the present invention, rather than to the claims in the present invention
Limitation.
The present invention is further illustrated with attached drawing with reference to embodiments, referring to Fig. 1-6.
Embodiment 1：
A kind of warm mix mixture Preparation equipment in foamed asphalt room of the present invention, including heated bitumen feed system, foaming water
4 feed system, foamed asphalt generating system and control system parts；
In heated bitumen feed system, as shown in Figure 1, controllable temperature asphalt storage 1, bitumenpump 5, oil circuit pressure control valve 6, confession
Solenoid 3, oil way check valve 7 are linked in sequence on oil line pipe 2, and one end of oil returning tube 2-1, which is arranged on, supplies solenoid 3
Oil line pipe 2 between oil circuit pressure control valve 6, the other end lead to controllable temperature asphalt storage 1, on oil returning tube 2-1
Equipped with oil return solenoid valve 4, the reflux of heated bitumen is realized；Oil way check valve 7 is connected by oil line pipe 2 with heated bitumen nozzle 16；
In foaming water supply system, as shown in Fig. 2, water tank 8, water pump 12, water route flowmeter 13, water route pressure-control valve
14th, water supply electromagnetic valve 10, water route check-valves 15 are linked in sequence on waterway pipe 9, pressure-control valve 14 and water supply in water route
Waterway pipe 9 between solenoid valve 10 is equipped with a water return pipeline 9-1, is connected with water tank 8, is set on water return pipeline 9-1
There is backwater solenoid valve 11, to realize the reflux of water；
In foamed asphalt generating system, as seen in figures 3-6, heated bitumen nozzle 16, foaming (operating) water nozzle 17 pass through screw thread respectively
Two upper placement of foot of Y-shaped foaming tube 18 are fixed on, foam uniformity controlling net 19 is located at 18 lower inside of foaming tube, foam
20 feed inlet front end of asphalt nozzle, is threadably secured together with foamed asphalt nozzle 20 by wire 21 and foamed in Y-shaped
The lower placement of foot of pipe 18；
In control system, using small PLC as data processing and controller, touch-screen is used as director data and inputs, is defeated
Go out display.Controllable temperature asphalt storage 1, bitumenpump 5, for solenoid 3, oil return solenoid valve 4, water tank 8, water pump 12, water route flow
Gauge 13, water supply electromagnetic valve 10, backwater solenoid valve 11 etc. are all connected in control system, are fed back detection parameters and are received control system
The control signal work of system.
Wherein, 2 liters of 1 capacity of controllable temperature asphalt storage, heat-preserving range are 100 DEG C~200 DEG C；Oil line pipe 2 is Steel Thin-Wall
Pipe；Bitumenpump 5 uses diaphragm pump；
Wherein, water tank 8 and waterway pipe 9 are plastic material, and 8 capacity of water tank is 2 liters, can bear 100 DEG C of hot water not
Damage, water pump 12 is variable frequency pump, can control water flow pressure；
Wherein, Y-shaped foaming tube 18 is steel, and diameter 10mm, length 4cm, the use of heated bitumen nozzle 16 is copper, with oil circuit
2 connecting pin diameter 8mm of pipeline, nozzle use variable diameters mode, outlet diameter 2mm；Foam uniformity controlling net 19 is circular gold
Belong to net, grid is square, and length of side 2mm, foamed asphalt nozzle 20 is copper, and with 18 connecting pin diameter 8mm of foaming tube, nozzle is adopted
With variable diameters mode, outlet diameter 5mm；
PLC reads in sensor (electromagnetic flowmeter, pressure sensor) data by analog module, and the control of frequency converter is adopted
With RS485 Communication Controls, the collection of its data feedback realizes that the output of other On-off signals inputs defeated by PLC also by RS485
Go out I/O realizations.
Embodiment 2：
A kind of warm mix mixture Preparation equipment in foamed asphalt room of the present invention, including heated bitumen feed system, foaming water
4 feed system, foamed asphalt generating system and control system parts；
In heated bitumen feed system, as shown in Figure 1, controllable temperature asphalt storage 1, bitumenpump 5, oil circuit pressure control valve 6, confession
Solenoid 3, oil way check valve 7 are linked in sequence on oil line pipe 2, and one end of oil returning tube 2-1, which is arranged on, supplies solenoid 3
Oil line pipe 2 between oil circuit pressure control valve 6, the other end lead to controllable temperature asphalt storage 1, on oil returning tube 2-1
Equipped with oil return solenoid valve 4, the reflux of heated bitumen is realized；Oil way check valve 7 is connected by oil line pipe 2 with heated bitumen nozzle 16；
In foaming water supply system, as shown in Fig. 2, water tank 8, water pump 12, water route flowmeter 13, water route pressure-control valve
14th, water supply electromagnetic valve 10, water route check-valves 15 are linked in sequence on waterway pipe 9, pressure-control valve 14 and water supply in water route
Waterway pipe 9 between solenoid valve 10 is equipped with a water return pipeline 9-1, is connected with water tank 8, is set on water return pipeline 9-1
There is backwater solenoid valve 11, to realize the reflux of water；
In foamed asphalt generating system, heated bitumen nozzle 16, foaming (operating) water nozzle 17 are threadably secured are sent out in Y-shaped respectively
Two upper placement of foot of pipe 18 are steeped, foam uniformity controlling net 19 is located at 20 feed inlet front end of foamed asphalt nozzle, passes through metal
Silk 21 is threadably secured the lower placement of foot in Y-shaped foaming tube 18 together with foamed asphalt nozzle 20.
In control system, using small PLC as data processing and controller, touch-screen is used as director data and inputs, is defeated
Go out display.Controllable temperature asphalt storage 1, bitumenpump 5, for solenoid 3, oil return solenoid valve 4, water tank 8, water pump 12, water route flow
Gauge 13, water supply electromagnetic valve 10, backwater solenoid valve 11 etc. are all connected in control system, are fed back detection parameters and are received control system
The control signal work of system.
Wherein, 3 liters of 1 capacity of controllable temperature asphalt storage, any temperature that pitch can be made to be maintained between 100 DEG C~200 DEG C,
Oil line pipe 2 is thin-wall steel tube, and bitumenpump, 5 use diaphragm pump；
Wherein, water tank 8 is aluminum, and capacity is 3 liters, and waterway pipe 9 is plastic conduit, can bear 100 DEG C of hot water not
Damage, water pump 12 is variable frequency pump, can control water flow pressure；
Y-shaped foaming tube 18 is copper, diameter 8mm, length 3cm；The use of heated bitumen nozzle 16 is copper, with oil line pipe 2
Connecting pin diameter 6mm, nozzle use variable diameters mode, outlet diameter 2mm；Foam uniformity controlling net 19 is circular metal net,
Grid is square, length of side 2mm；Foamed asphalt nozzle 20 is copper, with 18 connecting pin diameter 6mm of foaming tube, outlet diameter
6mm。
PLC reads in sensor (electromagnetic flowmeter, pressure sensor) data by analog module, and the control of frequency converter is adopted
With RS485 Communication Controls, the collection of its data feedback realizes that the output of other On-off signals inputs defeated by PLC also by RS485
Go out I/O realizations.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide scope caused.
Claims (10)
- A kind of 1. warm mix mixture preparation facilities in foamed asphalt room, it is characterised in that：Device include heated bitumen feed system, Foam water supply system, foamed asphalt generating system and control system；Wherein, the heated bitumen feed system by controllable temperature asphalt storage (1), oil line pipe (2), for solenoid (3), oil return Solenoid valve (4), bitumenpump (5), oil circuit pressure control valve (6), oil way check valve (7) and oil returning tube (2-1) are formed；Controllable temperature asphalt storage (1) is connected by oil line pipe (2) with foamed asphalt generating system, in oil line pipe (2) to bubble Foam pitch generating system sets gradually bitumenpump (5), oil circuit pressure control valve (6), for solenoid (3) and oil way check valve (7), one end of oil returning tube (2-1) is with supplying oil line pipe (2) phase between solenoid (3) and oil circuit pressure control valve (6) Even, the other end leads to controllable temperature asphalt storage (1), oil return solenoid valve (4) is equipped with oil returning tube (2-1)；Wherein, the foaming water supply system is by water tank (8), waterway pipe (9), water supply electromagnetic valve (10), backwater solenoid valve (11), water pump (12), water route flowmeter (13), water route pressure-control valve (14), water route check-valves (15) and water return pipeline are formed；Foaming water supply system is connected by waterway pipe (9) with foamed asphalt generating system, leads to foam in waterway pipe (9) The direction of pitch generating system, set gradually water pump (12), water route flowmeter (13), water route pressure-control valve (14), for water power Magnet valve (10) and water route check-valves (15), the waterway pipe between water route pressure-control valve (14) and water supply electromagnetic valve (10) (9) water return pipeline (9-1) is equipped with, is connected with water tank (8), backwater solenoid valve is equipped with water return pipeline (9-1) (11)；Wherein, the foamed asphalt generating system is by heated bitumen nozzle (16), foaming (operating) water nozzle (17), foaming tube (18), foam Uniformity controlling net (19) and foamed asphalt nozzle (20) are formed；Heated bitumen nozzle (16) and foaming (operating) water nozzle (17) are respectively arranged on both sides at the top of foaming tube (18), wherein, heated bitumen nozzle (16) it is connected with oil line pipe (2), foaming (operating) water nozzle (17) is connected with waterway pipe (9), and foamed asphalt nozzle (20) is arranged on hair Bubble pipe (18) bottom, is equipped with foam uniformity controlling net on foaming tube (18) lower inside, foamed asphalt nozzle (20) (19)；Wherein, the control system is made of small PLC and touch-screen, wherein small PLC as data processing and controller, PLC is connected with the pump in each system and solenoid valve, and touch-screen is used as director data input, output display.
- 2. warm mix mixture according to claim 1 preparation facilities in foamed asphalt room, it is characterised in that：It is described controllable Warm asphalt storage (1) capacity is being 100 DEG C~200 DEG C for 1L-5L, heat-preserving range.
- 3. warm mix mixture according to claim 1 preparation facilities in foamed asphalt room, it is characterised in that：The water pump (12) it is variable frequency pump.
- 4. warm mix mixture according to claim 1 preparation facilities in foamed asphalt room, it is characterised in that：The heat drip Blue or green nozzle (16), which uses, to be threadedly connected at the top of foaming tube (18).
- 5. warm mix mixture according to claim 5 preparation facilities in foamed asphalt room, it is characterised in that：The heat drip Blue or green nozzle (16) uses variable diameters mode, and outlet diameter is 1~3mm.
- 6. warm mix mixture according to claim 1 preparation facilities in foamed asphalt room, it is characterised in that：The foaming (operating) water nozzle (17) is the solid fan nozzle of counterflow-preventing.
- 7. warm mix mixture according to claim 1 preparation facilities in foamed asphalt room, it is characterised in that：The foaming It is Y-shaped to manage as shape, and upper end connects heated bitumen nozzle (16) and foaming (operating) water nozzle (17), lower end connection foamed asphalt spray respectively Mouth (20), barrel diameter are 5~20mm, and length is 3~10cm.
- 8. warm mix mixture according to claim 8 preparation facilities in foamed asphalt room, it is characterised in that：The heat drip Blue or green nozzle (16), foaming (operating) water nozzle (17) and foamed asphalt nozzle (20) are connected by screw thread with foaming tube (18) respectively.
- 9. warm mix mixture according to claim 1 preparation facilities in foamed asphalt room, it is characterised in that：The foam Uniformity controlling net (19) is circular metal net, and square net shape, the length of side is 2mm~10mm, arranged on foamed asphalt nozzle (20) front end, and be fixed on using wire (21) by foamed asphalt nozzle (20) screw position groove in foaming tube (18).
- 10. warm mix mixture according to claim 1 preparation facilities in foamed asphalt room, it is characterised in that：The bubble Foam asphalt nozzle (20) is using being threadedly connected on foaming tube (18), and nozzle use variable diameters mode, outlet diameter be 5mm~ 15mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711225090.4A CN107905062A (en) | 2017-11-29 | 2017-11-29 | A kind of warm mix mixture preparation facilities in foamed asphalt room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711225090.4A CN107905062A (en) | 2017-11-29 | 2017-11-29 | A kind of warm mix mixture preparation facilities in foamed asphalt room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107905062A true CN107905062A (en) | 2018-04-13 |
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ID=61848143
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711225090.4A Pending CN107905062A (en) | 2017-11-29 | 2017-11-29 | A kind of warm mix mixture preparation facilities in foamed asphalt room |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2803162C2 (en) * | 1977-01-27 | 1982-05-06 | Mosal Aluminium Elkem-Spigerverket A/S & Co, Oslo | Process for continuously melting pitch and apparatus for carrying it out |
| CN102071630A (en) * | 2010-12-27 | 2011-05-25 | 中交第二公路工程局有限公司 | Cold regeneration device for foamed asphalt and base course construction process |
| CN102425093A (en) * | 2011-12-07 | 2012-04-25 | 广东省长大公路工程有限公司 | Cold plant-mixed regenerated asphalt foaming device |
| CN203546561U (en) * | 2013-09-10 | 2014-04-16 | 徐工集团工程机械股份有限公司道路机械分公司 | High-uniformity foam asphalt generating device |
-
2017
- 2017-11-29 CN CN201711225090.4A patent/CN107905062A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2803162C2 (en) * | 1977-01-27 | 1982-05-06 | Mosal Aluminium Elkem-Spigerverket A/S & Co, Oslo | Process for continuously melting pitch and apparatus for carrying it out |
| CN102071630A (en) * | 2010-12-27 | 2011-05-25 | 中交第二公路工程局有限公司 | Cold regeneration device for foamed asphalt and base course construction process |
| CN102425093A (en) * | 2011-12-07 | 2012-04-25 | 广东省长大公路工程有限公司 | Cold plant-mixed regenerated asphalt foaming device |
| CN203546561U (en) * | 2013-09-10 | 2014-04-16 | 徐工集团工程机械股份有限公司道路机械分公司 | High-uniformity foam asphalt generating device |
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Application publication date: 20180413 |