CN105289445B - The environment-friendly type of rubber powder modified asphalt prepares experiment porch and experimental method - Google Patents
The environment-friendly type of rubber powder modified asphalt prepares experiment porch and experimental method Download PDFInfo
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- CN105289445B CN105289445B CN201510755098.6A CN201510755098A CN105289445B CN 105289445 B CN105289445 B CN 105289445B CN 201510755098 A CN201510755098 A CN 201510755098A CN 105289445 B CN105289445 B CN 105289445B
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- reactor
- rubber powder
- mother liquor
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses a kind of environment-friendly type of rubber powder modified asphalt to prepare experiment porch, including controller, to store the oil groove of pitch, reactor, heating kettle, mother liquor tank and the auger to the conveying rubber powder into reactor, be respectively arranged with pipeline between described oil groove, reactor, heating kettle and mother liquor tank to carry out material interaction；Also include tail gas processing mechanism.The present invention is designed using multipot type, the interaction between each tank using pump and pipeline, it has been effectively ensured and has realized efficiency and experiment safety, a small amount of repeatedly rubber powder doping is carried out with reference to mixing speed, reaction temperature, doping ratio can be effectively improved, simultaneously, caused tail gas is synchronously subjected to burning processing in real time, while avoiding tail gas influences environment, effective utilization has also been carried out to the incendivity composition in tail gas, has improved efficiency of combustion.
Description
Technical field
The present invention relates to rubber powder modified asphalt technical field, more particularly to a kind of environment-friendly type of rubber powder modified asphalt
Prepare experiment porch and experimental method.
Background technology
Rubber powder modified asphalt is using matrix pitch and waste tire rubber powder as a kind of novel highway pavement made of raw material
Paver.Laid suitable for the highway pavement of various grades, improve the low temperature extensibility on road surface, splitting resistance, resistance to comprehensively
Mill property, heat-proof aging and oil resistance stability, comfortableness and security that driving noise improves driving can be reduced, in larger temperature
Section provides flexible and fatigue durability for bituminous paving, so as to extend the service life on road surface.Make resources circulation sharp simultaneously
With, promote environmental protection.
In actual production, because rubber powder batch different quality is different, then need to do low dose before production
To obtain optimal modulation ratio, experience is leaned in present experiment completely, it is impossible to is obtained optimal production technology online, is drawn for experiment
Final data deviation is big, when being applied to such experimental result in actual production, inevitably leads to production material
Waste and quality on discount, how to improve the validity and reliability of experiment, turn into urgent problem.Moreover, glue
Powder pitch is that can produce substantial amounts of tail gas in preparation, causes environmental pollution, and conventional vent gas treatment mode processing cost is high, then
Experimenter can be caused to drive lower last person's gas steathily in interests, made a very bad impression.
The content of the invention
In view of the technical drawbacks of the prior art, it is an object of the present invention to provide a kind of rubber powder modified asphalt
Environment-friendly type prepares experiment porch and experimental method.
Technical scheme is used by realize the purpose of the present invention：
A kind of environment-friendly type of rubber powder modified asphalt prepares experiment porch, including controller, to store the oil groove of pitch,
Reactor, heating kettle, mother liquor tank and the auger to the conveying rubber powder into reactor, described reactor are provided with temperature
Sensor, viscosity sensor and weight sensor, described heating kettle and mother liquor tank are respectively arranged with temperature sensor and again
Quantity sensor, described reactor, heating kettle and mother liquor tank include the tank body with chuck, the stirring being arranged in tank body respectively
The variable-frequency motor of agitating paddle rotation described in oar and driving, described chuck passes through thermal conductive oil pipeline respectively and heating furnace connects
Logical, described variable-frequency motor, viscosity sensor and temperature sensor and weight sensor link with controller communication respectively, institute
Pipeline is respectively arranged with to carry out material interaction between oil groove, reactor, heating kettle and the mother liquor tank stated；
Also including tail gas processing mechanism, it includes being arranged on the gas skirt at the top of reactor, heating kettle or mother liquor tank, and
Each gas skirt is communicated to the waste gas pipeline of the burner of heating furnace, the burning of heating furnace is accessed by described waste gas pipeline
The air inlet of device using negative pressure jet to be introduced to combustion chamber.
The top charging aperture of described reactor, heating kettle and mother liquor tank is communicated to feed pipe through triple valve respectively, described
Feed pipe connected through asphalt delivery pump with oil groove, described reactor, heating kettle and the bottom discharging mouth of mother liquor tank pass through respectively
Triple valve accesses drainage conduit, and described drainage conduit one end connects sewage draining exit, and the other end accesses asphalt delivery pump and oil groove through triple valve
Between, also through being connected to discharge nozzle by triple valve on described feed pipe.
Also include colloid mill, the charging aperture of described colloid mill accesses the outlet of asphalt delivery pump through triple valve, described
The discharge gate of colloid mill accesses discharge nozzle through triple valve.
Described weight sensor is arranged between the tank base of reactor and base.
The side wall that described viscosity sensor extends transversely through described reactor is set, the inner of described viscosity sensor
Both sides are respectively arranged with side shield.
The measurement end of described viscosity sensor and reactor inwall spacing are 40cm-50cm, the width of described side shield
Spend and be placed equidistant for 40cm-50cm and relative viscosity sensor, the spacing of described side shield and described viscosity sensor is
50cm-60cm。
A kind of experimental method using experiment porch, comprise the following steps,
1) pitch in oil groove is heated to 120 DEG C -150 DEG C, is then pumped into heating kettle and continues to be heated to 180 DEG C -190
DEG C, meanwhile, tail gas is constantly carried out burning processing by the work of burner；
2) asphalt delivery that will heat up reservation amount in kettle is pumped into reactor, is stirred and is incubated at 180 DEG C -190 DEG C, simultaneously
Add the rubber powder of reservation amount into reactor using auger, and stir to well mixed,
3) the rubber powder asphalt delivery being well mixed in reactor is pumped into mother liquor tank, stirs and be incubated at 180 DEG C -190 DEG C；
4) again from being pumped into the pitch of reservation amount in heating kettle into reactor, reactor is persistently stirred and is incubated 180
DEG C -190 DEG C, add the rubber powder of reservation amount again into reactor using auger, and stir to well mixed,
5) the rubber powder asphalt delivery in mother liquor tank is pumped into reactor, meanwhile, the rubber powder of reservation amount is added again and is stirred
Mix uniformly；
6) repeat step 2) -5), while the mixing speed and holding temperature of reactor are adjusted, until obtaining the batch rubber powder
The limit doping ratio or optimum doping ratio.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is designed using multipot type, and using pump and pipeline, the interaction between each tank, has been effectively ensured and has realized efficiency and reality
Security is tested, wherein, using heating up, asphalt thermal insulation is directly being adapted to the temperature of reaction by tank, reduces heating in a kettle
Process, reduction experiment reaction time, reactor and mother liquor tank are used cooperatively, and can be improved rubber powder doping ratio, especially carried out in fact
When testing, a small amount of repeatedly rubber powder doping is carried out with reference to mixing speed, reaction temperature, doping ratio can be effectively improved, meanwhile, using online
Viscosity sensor sense actual viscosity value in real time, a mathematical modeling is established by viscosity signal, temperature signal, power signal etc.
Analysis and Control bag, different parameters analysis is carried out in different temperatures section, period, viscosity section etc., data collection and analysis is fast, can be effective
The accuracy and reliability of data are improved, reaches optimum mix and highest economic benefit.It is meanwhile caused tail gas is synchronous real
Shi Jinhang burnings are handled, and while avoiding tail gas from influenceing environment, have also been carried out effective utilization to the incendivity composition in tail gas, have been carried
High burning efficiency.
Brief description of the drawings
The environment-friendly type that Fig. 1 show the rubber powder modified asphalt of the present invention prepares the structural representation of experiment porch；
Fig. 2 show reactor structural representation；
Fig. 3 show the tail gas processing mechanism schematic diagram of the experiment porch；
Fig. 4 show burner structure side view；
Fig. 5 show the axial view shown in Fig. 4.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It is it should be appreciated that described herein
Specific embodiment only to explain the present invention, be not intended to limit the present invention.
As Figure 1-5, the environment-friendly type of rubber powder modified asphalt of the invention prepare experiment porch include controller, to
The oil groove 1 of pitch is stored, reactor 2, heating kettle 3 and mother liquor tank 4 are described to the auger 5 of the conveying rubber powder into reactor
Reactor is provided with temperature sensor, viscosity sensor 8 and weight sensor, and described heating kettle and mother liquor tank are set respectively
There are temperature sensor and weight sensor, described reactor, heating kettle and mother liquor tank include the tank body with chuck respectively, if
Put the agitating paddle in tank body and the variable-frequency motor of the agitating paddle rotation described in driving, described chuck pass through conduction oil respectively
Pipeline connects with heating furnace 6, described variable-frequency motor, viscosity sensor and temperature sensor and weight sensor respectively with control
Device communication link processed, pipeline is respectively arranged with to carry out material interaction between described reactor, heating kettle and mother liquor tank.Together
When, to remove pitch and the rubber powder caused tail gas in experimentation, experiment porch of the invention also includes tail gas processing mechanism,
It includes being arranged on the gas skirt at the top of reactor, heating kettle or mother liquor tank, and each gas skirt is communicated into the useless of heating furnace
Letter shoot 15, the air inlet of the burner 7 of described waste gas pipeline side access heating furnace are introduced with utilization negative pressure jet
To combustion chamber, wherein, preferably described burner is coaxial-type, and it includes the connecting cylinder 71 of centre, is arranged on connecting cylinder both ends
Flame cylinder 73 and enter air duct 72, blower fan is set in described connecting cylinder, meanwhile, flame cylinder and enter the diameter of air duct and be both greater than
Connecting cylinder diameter simultaneously forms tapering transition section in junction, and tail gas access tube is provided with the changeover portion for entering air duct and connecting cylinder
74, described tail gas access tube 74 keeps connecting with waste gas pipeline, meanwhile, the axial direction of described tail gas access tube and connecting cylinder
Angle is kept, is advisable with identical with the taper of changeover portion, the change of this section of diameter can improve the negative pressure of waste gas pipeline end, and one
As can produce the big negative pressure of 5cm water columns, i.e., general 500pa negative pressure, ensure smoothly to be sucked through exhaust pipe by the tail gas of each tank body,
The pump drainage of experiment tail gas and processing of burning are realized, avoids environment from being affected.
The present invention is designed using multipot type, and using pump and pipeline, the interaction between each tank, has been effectively ensured and has realized efficiency and reality
Security is tested, wherein, using heating up, asphalt thermal insulation is directly being adapted to the temperature of reaction by tank, reduces heating in a kettle
Process, reduction experiment reaction time, reactor and mother liquor tank are used cooperatively, and can be improved rubber powder doping ratio, especially carried out in fact
When testing, a small amount of repeatedly rubber powder doping is carried out with reference to mixing speed, reaction temperature, doping ratio can be effectively improved, meanwhile, using online
Viscosity sensor sense actual viscosity value in real time, a mathematical modeling is established by viscosity signal, temperature signal, power signal etc.
Analysis and Control bag, different parameters analysis is carried out in different temperatures section, period, viscosity section etc., data collection and analysis is fast, can be effective
The accuracy and reliability of data are improved, reaches optimum mix and highest economic benefit.It is meanwhile caused tail gas is synchronous real
Shi Jinhang burnings are handled, and while avoiding tail gas from influenceing environment, have also been carried out effective utilization to the incendivity composition in tail gas, have been carried
High burning efficiency.
Specifically, for ease of the interaction of material, the top charging aperture difference of described reactor, heating kettle and mother liquor tank
Feed pipe 10 is communicated to through triple valve, described feed pipe connects through asphalt delivery pump 11 with oil groove 1, described reactor, rises
The bottom discharging mouth of warm kettle and mother liquor tank accesses drainage conduit 12 through triple valve respectively, and described drainage conduit one end connects sewage draining exit, separately
One end is accessed between asphalt delivery pump and oil groove through triple valve, also through being connected to discharge nozzle 13 by triple valve on described feed pipe.
A closed loop formula material delivery pipe road is formed using feed pipe and drainage conduit, reduces the quantity of pump, reduces framework cost, its
In, described triple valve can be the magnetic valve with the described controllable connection of controller, so can further mitigate experiment difficulty,
Realize that automatic material shifts by pump, the switching of triple valve and weight sensor.
Meanwhile in addition to colloid mill 14, the charging aperture of described colloid mill access going out for asphalt delivery pump 11 through triple valve
Mouthful, the discharge gate of described colloid mill 14 accesses discharge nozzle 13 through triple valve.Connect colloid mill by discharge nozzle side, intermediate products or
Final products can be expelled directly out or be discharged through colloid mill to enter each parameter evaluation outside line, and material quilt can be made after colloid mill
Effectively emulsification, scattered, homogeneous and crushing, reach the effect that material fining is crushed and emulsified.
Wherein, described temperature sensor is similar with existing design method, is generally located at the top of tank body, described weight
Quantity sensor is arranged between the tank base of reactor and base, i.e., using weight sensor to tank body, its attach troops to a unit part with
And its interior material carry out it is overall weigh, integrally weigh small and data accuracy is high by ectocine, experimental result be effectively ensured
Accurately and reliably.
As shown in Fig. 2 the side wall that described viscosity sensor 8 extends transversely through described reactor is set, to ensure viscosity
Normal operation of sensor, the rubber powder for preventing from just having added because heat into impact of the rubber powder block to it, described viscosity sensor it is interior
End both sides are respectively arranged with side shield 9.The measurement end of described viscosity sensor and reactor inwall spacing are 40-50cm, institute
The width for the side shield stated is 40-50cm and relative viscosity sensor is placed equidistant, and general described side shield glues with described
The spacing for spending sensor is 50-60cm.
Specifically, using the experimental method of above-mentioned experiment porch, comprise the following steps,
1) pitch in oil groove is heated to 120 DEG C -150 DEG C, is then pumped into heating kettle and continues to be heated to 180 DEG C -190
DEG C, preferably 185 DEG C, pitch in oil groove is heated to relative low temperature, and reaction temperature is maintained in the kettle that heats up, reduce follow-up anti-
While answering the heat time in kettle, the effectively save energy,
2) asphalt delivery that will heat up reservation amount in kettle is pumped into reactor, is stirred and is incubated at 180 DEG C -190 DEG C, simultaneously
The rubber powder of reservation amount is added into reactor using auger, and is stirred to being well mixed, can be in real time according to viscosity system in stirring
Several changes, adjustment rubber powder addition, reaction temperature and mixing speed, meanwhile, in the heating kettle that the pitch in oil groove is pumped into,
It is always maintained at predetermined storage, ensure that follow-up realize is smoothed out,
3) the rubber powder asphalt delivery being well mixed in reactor is pumped into mother liquor tank, stirs and be incubated at 180 DEG C -190 DEG C；
4) again from being pumped into the pitch of reservation amount in heating kettle into reactor, reactor is persistently stirred and is incubated 180
DEG C -190 DEG C, add the rubber powder of reservation amount again into reactor using auger, and stir to well mixed,
5) the rubber powder asphalt delivery in mother liquor tank is pumped into reactor, meanwhile, the rubber powder of reservation amount is added again and is stirred
Mix uniformly；The rubber powder pitch of intermediate products is preserved using mother liquor tank, is then pumped into again in reactor, i.e., multiple hybrid mode adds
Rubber powder simultaneously detects viscosity coefficient in real time, while adjusts temperature and mixing speed according to viscosity coefficient, can effectively improve rubber powder doping
Ratio, and be easy to obtain optimal reaction temperature and mixing speed, full and accurate data are provided for the energy-saving and emission-reduction of production,
6) repeat step 2) -5), while the mixing speed and holding temperature of reactor are adjusted, until obtaining the batch rubber powder
The limit doping ratio.Because the price of rubber powder is far below asphalt price, and rubber powder doping is more more more is advantageous to pavement quality, essence
The limit doping ratio of rubber powder really is obtained, holistic cost can be effectively controlled and improve road quality.Moreover, in above-mentioned whole experiment
During, because burner continuous firing, caused tail gas is also processed in real-time, and is not accumulated and is put outside, without processing cost,
This also avoids enterprise and arranged steathily because of interests, improves environmental protection dynamics.
Using above-mentioned experimental procedure, pitch and rubber powder pitch can quantitatively circulate on demand under the conveying of pump, and circulate process
Dosage is accurate, meanwhile, it can be adjusted in test and be obtained in real time for mixing speed, reaction temperature and rubber powder addition
Viscosity coefficient, experimentation controllable precise, accurate authentic data can be provided for actual production, improve production efficiency, reduce cost.
Described above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (3)
1. a kind of environment-friendly type of rubber powder modified asphalt prepares experiment porch, it is characterised in that is dripped including controller, to store
Oil groove, reactor, heat up kettle, mother liquor tank and the auger to the conveying rubber powder into reactor, the described reactor of green grass or young crops are set
Temperature sensor, viscosity sensor and weight sensor are equipped with, described heating kettle and mother liquor tank are respectively arranged with temperature biography
Sensor and weight sensor, described reactor, heating kettle and mother liquor tank include the tank body with chuck, are arranged on tank body respectively
The variable-frequency motor of the described agitating paddle rotation of interior agitating paddle and driving, described chuck is respectively by thermal conductive oil pipeline with adding
Hot stove connects, described variable-frequency motor, viscosity sensor and temperature sensor and weight sensor respectively with controller communication
Link, pipeline is respectively arranged with to carry out material interaction between described oil groove, reactor, heating kettle and mother liquor tank；
Also include tail gas processing mechanism, it includes being arranged on the gas skirt at the top of reactor, heating kettle or mother liquor tank, and will be each
Gas skirt is communicated to the waste gas pipeline of the burner of heating furnace, and the burner of heating furnace is accessed by described waste gas pipeline
Air inlet using negative pressure jet to be introduced to combustion chamber；
The top charging aperture of described reactor, heating kettle and mother liquor tank is communicated to feed pipe through triple valve respectively, and described enters
Expects pipe connects through asphalt delivery pump with oil groove, and the bottom discharging mouth of described reactor, heating kettle and mother liquor tank is respectively through threeway
Valve accesses drainage conduit, and described drainage conduit one end connects sewage draining exit, and the other end is accessed between asphalt delivery pump and oil groove through triple valve,
Also through being connected to discharge nozzle by triple valve on described feed pipe；
The side wall that described viscosity sensor extends transversely through described reactor is set, the inner both sides of described viscosity sensor
It is respectively arranged with side shield.
2. the environment-friendly type of rubber powder modified asphalt as claimed in claim 1 prepares experiment porch, it is characterised in that also including glue
Body is ground, and the charging aperture of described colloid mill accesses the outlet of asphalt delivery pump, the discharge gate warp of described colloid mill through triple valve
Triple valve accesses discharge nozzle.
3. the environment-friendly type of rubber powder modified asphalt as claimed in claim 1 prepares experiment porch, it is characterised in that described is viscous
The measurement end and reactor inwall spacing for spending sensor are 40cm-50cm, and the width of described side shield is 40cm-50cm and phase
Viscosity sensor is placed equidistant, the spacing of described side shield and described viscosity sensor is 50cm-60cm.
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| CN201510755098.6A CN105289445B (en) | 2015-11-06 | 2015-11-06 | The environment-friendly type of rubber powder modified asphalt prepares experiment porch and experimental method |
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| CN111359522A (en) * | 2020-04-25 | 2020-07-03 | 林进卓 | Environment-friendly harmless asphalt rapid preparation device and asphalt preparation method |
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| CN2709502Y (en) * | 2004-01-15 | 2005-07-13 | 凌杰 | Processing device of bitulith regenerated material |
| CN101280114B (en) * | 2008-05-15 | 2011-05-11 | 上海浦东路桥沥青材料有限公司 | SBS modified road asphalt, production method and device thereof |
| CN101775224B (en) * | 2010-02-03 | 2011-11-30 | 沈阳三鑫集团有限公司 | Storable rubber powder modified asphalt and preparation method thereof |
| CN101885921B (en) * | 2010-05-26 | 2012-08-15 | 山东大山路桥工程有限公司 | Integrated equipment for producing rubber powder modified, SBS modified and rubber and plastic compound modified asphalt |
| CN101985523B (en) * | 2010-08-18 | 2012-09-19 | 中國禾森石化控股有限公司 | Automated production system of modified asphalt and process method thereof |
| CN104695306B (en) * | 2015-02-16 | 2017-01-18 | 重庆市永川区康泰斯机械制造有限公司 | Comprehensive asphalt concrete pavement maintaining equipment for recycling combustion waste gas |
| CN205164717U (en) * | 2015-11-06 | 2016-04-20 | 天津海泰环保科技发展有限公司 | Asphaltrubber's environment -friendly preparation experiment platform |
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