CN105542193B - A kind of emulsified modified asphalt experimental machine - Google Patents

A kind of emulsified modified asphalt experimental machine Download PDF

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Publication number
CN105542193B
CN105542193B CN201610063006.2A CN201610063006A CN105542193B CN 105542193 B CN105542193 B CN 105542193B CN 201610063006 A CN201610063006 A CN 201610063006A CN 105542193 B CN105542193 B CN 105542193B
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China
Prior art keywords
conveying device
pitch
valve
metering
asphalt
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CN105542193A (en
Inventor
陈际江
李晨光
丁建军
扈利东
秦立刚
李战方
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SHANDONG DASHAN ROAD&BRIDGE Co Ltd
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SHANDONG DASHAN ROAD&BRIDGE Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/02Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/03Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/04Conveying materials in bulk pneumatically through pipes or tubes; Air slides
    • B65G53/24Gas suction systems
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2395/00Bituminous materials, e.g. asphalt, tar or pitch

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Road Paving Machines (AREA)
  • Working-Up Tar And Pitch (AREA)

Abstract

The invention discloses a kind of emulsified modified asphalt experimental machine, belong to asphalt equipment field.The present invention provides a kind of emulsified modified asphalt experimental machine, which is made of asphalt tank, pitch metering and conveying device, Soap liquid pot, soap lye metering and conveying device, colloid mill, pitch cooling system and PLC control system.During work, pitch and soap lye are separately added into asphalt tank and Soap liquid pot, pitch and soap lye are heated to required technological temperature using automatic temperature control system, pitch metering and conveying device and soap lye metering and conveying device are opened, respective media is extracted, is proportionally injected into colloid mill, ground by the shearing of colloid mill, by asphalt emulsification, under back pressure system effect, finished product emulsified asphalt is obtained by the heat exchange of heat exchanger.Temperature everywhere, pressure, valve transfer and the keying of system everywhere in whole process are all controlled by PLC, are improved work efficiency.

Description

A kind of emulsified modified asphalt experimental machine
Technical field
The present invention relates to asphalt equipment field, more particularly to a kind of emulsified modified asphalt experimental machine.
Background technology
At present, the emulsified asphalt that the emulsified modified asphalt mass production facilities of batch production are produced is likely to occur product quality Difference, the problems such as product index is unstable, problem Producing reason mainly have raw material index is unqualified, production procedure is unreasonable, Process equipment is defective etc., so the batch production that emulsified modified asphalt is carried out in the case of without the small trial production in laboratory is deposited In great risk and waste.
If before batch production, small trial production is carried out using emulsified modified asphalt experimental facilities, is criticized to determining and optimizing Measuring proportioning, technological parameter of production etc. has positive directive significance;At the same time using small trial production can be research high-performance and The emulsified modified asphalt technology of high solids content provides experimental data.
The content of the invention
In order to make up for the deficiencies of the prior art, the present invention provides a kind of emulsified modified asphalt experimental machine.
The technical scheme is that:
A kind of emulsified modified asphalt experimental machine, including asphalt tank, Soap liquid pot, apparatus for combining liquids and each tank body of connection with The pipe-line system of apparatus for combining liquids, between asphalt tank and apparatus for combining liquids and between Soap liquid pot and apparatus for combining liquids Liquid meter conveying device is set, and the liquid meter conveying device is to convey dress with the metering that piston is retreated by servomotor Put.
Preferably, the output shaft of servomotor is coaxially connected by shaft coupling in the liquid meter conveying device Transmission shaft, is equipped with first gear on the transmission shaft, the first gear is engaged with second gear by connecting pin;Described second Gear is fixed with screw by connecting pin and jackscrew, and the screw is engaged with screw, and one end of the screw is with being arranged at cylinder barrel In piston be fixedly connected;The cylinder barrel is equipped with medium inlet and outlet and medium discharging hole, remaining position is closed;The medium row Net mouth connection hand-operated valve.
Preferably, the apparatus for combining liquids is colloid mill;Liquid between asphalt tank and apparatus for combining liquids Metering and conveying device is pitch metering and conveying device, and the liquid meter conveying device between Soap liquid pot and apparatus for combining liquids is soap Liquid metering and conveying device;The asphalt tank connects the medium inlet and outlet and colloid of pitch metering and conveying device by the first triple valve Grind import;The Soap liquid pot connects medium inlet and outlet and the colloid mill import of soap lye metering and conveying device by the second triple valve.
Further, the colloid disintegrating outlet connects pitch cooling system, the pitch cooling system by the 3rd triple valve System is respectively communicated with product outlet and waste liquid outlet by the 4th triple valve;Pipeline between 4th triple valve and product outlet It is equipped with counterbalance valve.
Preferably, agitating device and heated for controlling temperature system are matched somebody with somebody in the asphalt tank and Soap liquid pot;The drip Dirt discharging valve is set below blue or green tank, set temperature table between the pitch metering and conveying device and colloid mill, pressure gauge, thermal resistance and First check valve;Dirt discharging valve, set temperature between the soap lye metering and conveying device and colloid mill are set below the Soap liquid pot Table, pressure gauge, thermal resistance and the second check valve.
Preferably, first triple valve, the second triple valve and the 4th triple valve are Pneumatic three-way valve, described 3rd triple valve is manual three-way valve;A pneumatic operated valve is additionally provided between 3rd triple valve and pitch cooling system.
Preferably, the pitch cooling system is heat exchanger, and the heat exchanger is equipped with cold medium import and cold Jie Matter exports.
Preferably, the pipeline between colloid mill and the pitch cooling system is equipped with pressure gauge, thermal resistance.
Preferably, first check valve and the second check valve converge position installed in colloid mill import two-way medium Put front.
Preferably, it is equipped with in-line filter below the Soap liquid pot dirt discharging valve.
Before work, piston is close to cylinder barrel antetheca, Pneumatic three-way valve connection tank body(Asphalt tank or Soap liquid pot)Conveyed with metering Device.During work, PLC control servomotors rotate forward, and motor shaft drives transmission shaft to rotate by shaft coupling, and transmission shaft passes through first Gear drives the second gear being engaged with to rotate, and second gear drives screw to rotate, and screw is engaged with screw, drives screw to turn Dynamic, screw moves out, and band piston is moved rearwards, and is at this time vacuum state inside cylinder barrel, is moved rearwards by piston, internal Pressure is negative pressure, and negative pressure sucks pitch or soap lye by medium inlet and outlet;When piston reaches cylinder barrel rear wall, controlled by PLC Throwing bar stops operating.At this time by Pneumatic three-way Vavle switching, metering and conveying device and colloid mill are connected respectively.PLC controls servo Motor reversal, similarly, screw start inwardly to move, and interior media is pushed into colloid mill.It can be put by medium discharging hole Go out waste liquid or detect the quality of medium.
Medium demand determined by the stroke of PLC control pistons, and conveying speed is by controlling the rotating speed of servomotor It is adjusted.Metering and conveying device has overload protection function.Metering and conveying device Media density can be revised in control interface.
The invention discloses a kind of emulsified modified asphalt experimental machine, belong to asphalt equipment field.The present invention provides one kind Emulsified modified asphalt experimental machine, the equipment is by asphalt tank, pitch metering and conveying device, Soap liquid pot, soap lye metering and conveying device, glue Body mill, emulsified asphalt cooling system and PLC control system composition.During work, pitch is separately added into asphalt tank and Soap liquid pot And soap lye, pitch and soap lye are heated to required technological temperature using automatic temperature control system, open pitch metering and conveying device and Soap lye metering and conveying device, extracts respective media, is proportionally injected into colloid mill, is ground by the shearing of colloid mill, will Asphalt emulsification, under back pressure system effect, finished product emulsified asphalt is obtained by the heat exchange of heat exchanger.It is warm everywhere in whole process Degree, pressure, valve transfer and the keying of system everywhere are all controlled by PLC, are improved work efficiency.
Beneficial effects of the present invention are:
The emulsified modified asphalt experimental machine of the present invention includes pitch metering and conveying device and soap lye metering and conveying device, pitch Metering and conveying device and soap lye metering and conveying device not only with accurate measurement but also can complete conveying function.Since the present invention can essence Really metering, can determine the parameters such as optimal metering proportion, optimum temperature, beneficial to product matter in batch production by some experiments The lifting of amount.
The present invention experimental machine is simple in structure, accurate measurement, easy to use, it is reliable.And equipment one-machine-multi-function, it can give birth to Produce common emulsified asphalt, emulsified modified asphalt and modified pitch.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also To obtain other attached drawings according to these attached drawings.
Fig. 1 is the structure diagram of emulsified modified asphalt experimental machine of the present invention;
Fig. 2 is the structure diagram of metering and conveying device in emulsified modified asphalt experimental machine of the present invention.
Embodiment
Embodiment 1
A kind of emulsified modified asphalt experimental machine, including asphalt tank 1 and Soap liquid pot 5, configure in asphalt tank 1 and Soap liquid pot 5 Agitating device and heated for controlling temperature system;Asphalt tank 1 and Soap liquid pot 5 are additionally provided with the thermal resistance 8 of detection temperature.
Asphalt tank 1 connects the import of colloid mill 22 by pitch metering and conveying device 4, and Soap liquid pot 5 is measured defeated by soap lye Device 7 is sent to connect the import of colloid mill 22.
Wherein pitch metering and conveying device 4 is identical with the structure of soap lye metering and conveying device 7, the metering and conveying device Including servomotor 30, the output shaft of servomotor 30 is passed through on transmission shaft 27 by the coaxially connected transmission shaft 27 of shaft coupling 29 Connecting pin is equipped with first gear 28, and first gear 28 is engaged with second gear 33;Second gear 33 passes through connecting pin with screw 32 Fixed with jackscrew, screw 32 is engaged with screw 31, and one end of screw 31 is fixedly connected with the piston 26 being arranged in cylinder barrel 25;Cylinder Cylinder 25 is equipped with medium inlet and outlet 24 and medium discharging hole 34, remaining position is closed;24 and second triple valve 3 of medium inlet and outlet or 3rd triple valve 6 connects;Medium discharging hole 34 connects manual ball valve.When cylinder barrel 25 does not empty, hand-operated valve is closed, and plays sealing Effect;When cylinder barrel 25 empties, hand-operated valve is opened, and completes emptying process.
The outlet of asphalt tank 1 is equipped with dirt discharging valve 2, and asphalt tank 1 connects pitch metering and conveying device 4 by the first triple valve 3 Medium inlet and outlet 24 and colloid mill 22 import;The outlet of Soap liquid pot 5 is equipped with dirt discharging valve 2, the dirt discharging valve in 5 exit of Soap liquid pot 2 lower sections are equipped with in-line filter.The medium that the Soap liquid pot 5 connects soap lye metering and conveying device 7 by the second triple valve 6 passes in and out The import of mouth 24 and colloid mill 22.
The outlet of colloid mill 22 connects pitch cooling system by the 3rd triple valve 13(Heat exchanger 16), heat exchanger 16 is equipped with Cold medium import 17 and cold medium export 18, and colloid mill dirt discharging valve 23 is set on colloid mill 22.The pitch cooling system(Heat exchange Device 16)Product outlet 20 and waste liquid outlet 19 are respectively communicated with by the 4th triple valve 15;4th triple valve 15 goes out with finished product Pipeline between mouth 20 is equipped with counterbalance valve 21.Product outlet 20 and waste liquid port 19 are set after counterbalance valve 21.Counterbalance valve 21, which has, to be adjusted Save function, finished product and waste liquid and controlled by system and automatically switched.
Set pressure gauge 10, thermometer 9, thermal resistance 8 and first unidirectional between pitch metering and conveying device 4 and colloid mill 22 Valve 11, the first check valve 11 converge in front of position installed in 22 import two-way medium of colloid mill.Soap lye metering and conveying device 7 and glue Pressure gauge 10, thermometer 9,8 and second check valve 12 of thermal resistance are set between body mill 22, the second check valve 12 is installed on colloid mill 22 import two-way media converge in front of position.Colloid mill 22 and pitch cooling system(Heat exchanger 16)Between pipeline be equipped with pressure Power table 10, thermal resistance 8.
For the ease of automatically controlling, first triple valve 3, the second triple valve 6 and the 4th triple valve 15 are pneumatic three Port valve, the 3rd triple valve 13 are manual three-way valve;One is additionally provided between 3rd triple valve 13 and pitch cooling system Pneumatic operated valve 14.
Heat exchanger 16 is with heating and temperature regulating device, for clearing up fouling of heat exchangers after heating;Heat exchanger 16 is purged with air, Emptied for heat exchanger.Colloid bistrique installation heating and temperature regulating device.
System pipeline has heat tracing and insulation, heat tracing temperature-controllable.
Before work, piston is close to cylinder barrel antetheca, Pneumatic three-way valve connection tank body(Asphalt tank or Soap liquid pot)Conveyed with metering Device.During work, PLC control servomotors rotate forward, and motor shaft drives transmission shaft to rotate by shaft coupling, and transmission shaft passes through first Gear drives the second gear being engaged with to rotate, and second gear drives screw to rotate, and screw is engaged with screw, drives screw to turn Dynamic, screw moves out, and band piston is moved rearwards, and is at this time vacuum state inside cylinder barrel, is moved rearwards by piston, internal Pressure is negative pressure, and negative pressure sucks pitch or soap lye by medium inlet and outlet;When piston reaches cylinder barrel rear wall, controlled by PLC Throwing bar stops operating.At this time by Pneumatic three-way Vavle switching, metering and conveying device and colloid mill are connected respectively.PLC controls servo Motor reversal, similarly, screw start inwardly to move, and interior media is pushed into colloid mill.It can be put by medium discharging hole Go out waste liquid or detect the quality of medium.
Medium demand determined by the stroke of PLC control pistons, and conveying speed is by controlling the rotating speed of servomotor It is adjusted.Metering and conveying device has overload protection function.Metering and conveying device Media density can be revised in control interface.
The invention discloses a kind of emulsified modified asphalt experimental machine, belong to asphalt equipment field.The present invention provides one kind Emulsified modified asphalt experimental machine, the equipment is by asphalt tank, pitch metering and conveying device, Soap liquid pot, soap lye metering and conveying device, glue Body mill, emulsified asphalt cooling system and PLC control system composition.During work, pitch is separately added into asphalt tank and Soap liquid pot And soap lye, pitch and soap lye are heated to required technological temperature using automatic temperature control system, open pitch metering and conveying device and Soap lye metering and conveying device, extracts respective media, is proportionally injected into colloid mill, is ground by the shearing of colloid mill, will Asphalt emulsification, under back pressure system effect, finished product emulsified asphalt is obtained by the heat exchange of heat exchanger.It is warm everywhere in whole process Degree, pressure, valve transfer and the keying of system everywhere are all controlled by PLC, are improved work efficiency.
2nd, Application Example
It is using the process of the invention for producing emulsified modified asphalt:
1st, according to production technology formula, pre- heated bitumen outside equipment, makes pitch have preferable flow regime, afterwards by pitch Add in asphalt tank, by asphalt heating to production technology temperature;
2nd, soap lye is prepared, is measured in Soap liquid pot and adds water, weighted emulsifying agent is slowly added in Soap liquid pot, while stirring Heating, production technology temperature is warming up to by soap lye;
3rd, equipment preheats;
4th, apparatus parameter setting;
5th, recirculated cooling water and source of the gas are connected;
6th, by pitch metering and conveying device, pitch is sucked in cylinder barrel;
7th, by soap lye metering and conveying device, soap lye is sucked in cylinder barrel;
8th, air valve, changing flow direction are switched;
9th, colloid mill is started;
10th, by producting proportion and technological parameter, first start soap lye metering and conveying device and convey soap lye into colloid mill, after 5s Start pitch metering and conveying device and pitch is conveyed into colloid mill, using the shearing abrasive action of colloid mill, carry out asphalt emulsification Processing, after medium is by heat-exchange system and back pressure system, goes out emulsified asphalt finished product;
11st, equipment is automatically stopped asphalt production after the completion of asphalt production, and soap lye continues flushing line and heat exchanger;
12nd, after having cleaned pipeline, colloid mill is closed, opens air-blowing, clears up heat exchanger;
13rd, power supply, water source, source of the gas are closed.
It is using the process of the invention for producing modified pitch:
1st, pre- heated bitumen outside equipment, makes pitch have preferable flow regime, afterwards adds in asphalt tank pitch, will drip Green grass or young crops is warming up to production technology temperature;
2nd, it is switched to modified production;
3rd, valve transfer is to asphalt tank direction, without heat exchanger;
4th, it is slowly added in asphalt tank after modifying agent is weighed, is stirred in asphalt tank;
5th, by the cylinder barrel of pitch suction pitch metering and conveying device;
6th, opened after colloid mill preheating;
7th, asphalt delivery to colloid mill, excessively colloid mill shearing are ground by pitch metering and conveying device;
8th, multiple circulate operation;
9th, agitated development, after sampling detection is qualified, finished product asphaltum is released from asphalt tank discharging hole;
10th, after the completion of producing, cleaning agent is added into asphalt tank, it is overground to clean one time, empty;
11st, cleaning equipment is powered off, batch experiment production terminates.

Claims (7)

1. a kind of emulsified modified asphalt experimental machine, including asphalt tank, Soap liquid pot, apparatus for combining liquids and each tank body of connection and liquid The pipe-line system of body mixing arrangement, it is characterised in that:Between asphalt tank and apparatus for combining liquids and Soap liquid pot is mixed with liquid Liquid meter conveying device is respectively provided between device, the liquid meter conveying device is what is retreated by servomotor with piston Metering and conveying device;The output shaft of servomotor is by the coaxially connected transmission shaft of shaft coupling in the liquid meter conveying device, First gear is equipped with by connecting pin on the transmission shaft, the first gear is engaged with second gear;The second gear with Screw is fixed by connecting pin and jackscrew, and the screw is engaged with screw, one end of the screw and the work being arranged in cylinder barrel Plug is fixedly connected;The cylinder barrel is equipped with medium inlet and outlet and medium discharging hole, remaining position is closed;The medium discharging hole connects Connect hand-operated valve;The apparatus for combining liquids is colloid mill;Liquid meter conveying device between asphalt tank and apparatus for combining liquids For pitch metering and conveying device, the liquid meter conveying device between Soap liquid pot and apparatus for combining liquids is soap lye metering conveying dress Put;The asphalt tank connects medium inlet and outlet and the colloid mill import of pitch metering and conveying device by the first triple valve;It is described Soap liquid pot connects medium inlet and outlet and the colloid mill import of soap lye metering and conveying device by the second triple valve;The colloid is ground Mouth connects pitch cooling system by the 3rd triple valve, and the pitch cooling system is respectively communicated with finished product by the 4th triple valve and goes out Mouth and waste liquid outlet;Pipeline between 4th triple valve and product outlet is equipped with counterbalance valve.
2. emulsified modified asphalt experimental machine as claimed in claim 1, it is characterised in that:Configured in the asphalt tank and Soap liquid pot Agitating device and heated for controlling temperature system;Dirt discharging valve, the pitch metering and conveying device and colloid mill are set below the asphalt tank Between set temperature table, pressure gauge, thermal resistance and the first check valve;Dirt discharging valve, the soap lye meter are set below the Soap liquid pot Measure set temperature table, pressure gauge, thermal resistance and the second check valve between conveying device and colloid mill.
3. emulsified modified asphalt experimental machine as claimed in claim 1, it is characterised in that:First triple valve, the second triple valve It is Pneumatic three-way valve with the 4th triple valve, the 3rd triple valve is manual three-way valve;3rd triple valve is dropped with pitch A pneumatic operated valve is additionally provided between warm system.
4. emulsified modified asphalt experimental machine as claimed in claim 1, it is characterised in that:The pitch cooling system is heat exchanger, The heat exchanger is equipped with cold medium import and cold medium exports.
5. the emulsified modified asphalt experimental machine as described in claim 1 or 4, it is characterised in that:The colloid mill and pitch cooling system Pipeline between system is equipped with pressure gauge, thermal resistance.
6. emulsified modified asphalt experimental machine as claimed in claim 2, it is characterised in that:First check valve and the second check valve Converge installed in colloid mill import two-way medium in front of position.
7. emulsified modified asphalt experimental machine as claimed in claim 2, it is characterised in that:Pipe is equipped with below the Soap liquid pot dirt discharging valve Pipe filter.
CN201610063006.2A 2016-01-30 2016-01-30 A kind of emulsified modified asphalt experimental machine Active CN105542193B (en)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107217569B (en) * 2017-06-09 2019-09-10 刘祖希 A kind of novel emulsion asphalt production equipment and its production technology
CN108872545A (en) * 2018-08-28 2018-11-23 山东大山路桥工程有限公司 Foamed asphalt testing machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2910341Y (en) * 2006-06-08 2007-06-13 江阴市七星助剂有限公司 Tester of emusified asphalt
CN101672686A (en) * 2009-09-30 2010-03-17 陈天佑 Device for measuring weight of liquid asphalt
CN203878103U (en) * 2014-06-13 2014-10-15 湖北国创高新材料股份有限公司 Emulsified asphalt tester

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2910341Y (en) * 2006-06-08 2007-06-13 江阴市七星助剂有限公司 Tester of emusified asphalt
CN101672686A (en) * 2009-09-30 2010-03-17 陈天佑 Device for measuring weight of liquid asphalt
CN203878103U (en) * 2014-06-13 2014-10-15 湖北国创高新材料股份有限公司 Emulsified asphalt tester

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Denomination of invention: An emulsifying modified asphalt experimental machine

Granted publication date: 20180420

Pledgee: Industrial and Commercial Bank of China Limited Jinan Licheng Branch

Pledgor: ShanDong Dashan Road&Bridge Engineering Co.,Ltd.

Registration number: Y2024370000026