CN105542193A - Emulsified modified asphalt experimental machine - Google Patents
Emulsified modified asphalt experimental machine Download PDFInfo
- Publication number
- CN105542193A CN105542193A CN201610063006.2A CN201610063006A CN105542193A CN 105542193 A CN105542193 A CN 105542193A CN 201610063006 A CN201610063006 A CN 201610063006A CN 105542193 A CN105542193 A CN 105542193A
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- valve
- asphalt
- experimental machine
- conveying device
- modified asphalt
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/24—Gas suction systems
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2395/00—Bituminous 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 an emulsified modified asphalt experimental machine, which belongs to the field of asphalt equipment. The emulsified modified asphalt experimental machine consists of an asphalt tank, an asphalt measuring and transporting device, a soap liquid tank, a soap liquid measuring and transporting device, a colloid mill, an asphalt cooling system and a PLC (Programmable Logic Controller) control system. When in work, asphalt and soap liquid are respectively added into the asphalt tank and the soap liquid tank, the asphalt and the soap liquid are heated to a needed technological temperature by utilizing an automatic temperature control system, the asphalt measuring and transporting device and the soap liquid measuring and transporting device are switched on to extract a corresponding medium, the medium is injected into the colloid mill according to a ratio, the asphalt is emulsified by virtue of shearing and grinding of the colloid mill, and under the action of a back pressure system, the finished product emulsified asphalt is obtained by virtue of heat exchange of a heat exchanger. The temperature, pressure and valve switching at various positions in the whole process as well as the starting and stopping of each system are all controlled by the PLC, so that the operating efficiency is increased.
Description
Technical field
The present invention relates to asphalt equipment field, particularly a kind of emulsified modified asphalt experimental machine.
Background technology
At present, the problems such as poor product quality, product index instability may be there is in the emulsified bitumen that the emulsified modified asphalt mass production facilities of batch production is produced, problem Producing reason mainly contains that starting material index is defective, Production Flow Chart is unreasonable, processing unit defectiveness etc., so the batch production carrying out emulsified modified asphalt when trial production little of laboratory exists great risk and waste.
If before batch production, emulsified modified asphalt experimental installation is adopted to carry out little trial production, to determining and optimize the proportioning, processing parameter etc. produced in batches to have positive directive significance; Utilize little trial production can provide experimental data for the emulsified modified asphalt technology of research high-performance and high solids content simultaneously.
Summary of the invention
In order to make up the deficiencies in the prior art, the invention provides a kind of emulsified modified asphalt experimental machine.
Technical scheme of the present invention is:
A kind of emulsified modified asphalt experimental machine, comprise asphalt tank, Soap liquid pot, apparatus for combining liquids and connect the piping system of each tank body and apparatus for combining liquids, all arrange liquid meter e Foerderanlage between asphalt tank and apparatus for combining liquids and between Soap liquid pot and apparatus for combining liquids, described liquid meter e Foerderanlage is the metering and conveying device driving piston to retreat by servomotor.
Preferably, in described liquid meter e Foerderanlage, the output shaft of servomotor is by the coaxial connection for transmission axle of shaft coupling, described transmission shaft is provided with the first gear by joint pin, described first gear and the second gears meshing; Described second gear and screw are fixed by joint pin and jackscrew, and described screw engages with screw mandrel, and one end of described screw mandrel is fixedly connected with the piston be arranged in cylinder barrel; Described cylinder barrel is provided with medium and imports and exports and medium discharging hole, and all the other positions are airtight; Described medium discharging hole connects manual valve.
Preferably, described apparatus for combining liquids is colloidal mill; Liquid meter e Foerderanlage between asphalt tank and apparatus for combining liquids is pitch metering and conveying device, and the liquid meter e Foerderanlage between Soap liquid pot and apparatus for combining liquids is soap lye metering and conveying device; The medium that described asphalt tank is communicated with pitch metering and conveying device by the first T-valve is imported and exported and colloidal mill import; The medium that described Soap liquid pot is communicated with soap lye metering and conveying device by the second T-valve is imported and exported and colloidal mill import.
Further, described colloidal mill outlet connects pitch cooling system by the 3rd T-valve, and described pitch cooling system is communicated with product outlet and waste liquid outlet respectively by the 4th T-valve; Described 4th pipeline between T-valve and product outlet is provided with back pressure valve.
Preferably, whipping appts and heated for controlling temperature system is all configured in described asphalt tank and Soap liquid pot; Below described asphalt tank, dirt discharging valve is set, set temperature table, tensimeter, hot resistance and the first check valve between described pitch metering and conveying device and colloidal mill; Below described Soap liquid pot, dirt discharging valve is set, set temperature table, tensimeter, hot resistance and the second check valve between described soap lye metering and conveying device and colloidal mill.
Preferably, described first T-valve, the second T-valve and the 4th T-valve are Pneumatic three-way valve, and described 3rd T-valve is manual three-way valve; A pneumavalve is also provided with between described 3rd T-valve and pitch cooling system.
Preferably, described pitch cooling system is interchanger, and described interchanger is provided with cold medium entrance and cold media outlet.
Preferably, the pipeline between described colloidal mill and pitch cooling system is provided with tensimeter, hot resistance.
Preferably, described first check valve and the second check valve are arranged on colloidal mill import two-way medium and converge front, position.
Preferably, in-line filter is provided with below described Soap liquid pot dirt discharging valve.
Before work, piston is close to cylinder barrel antetheca, and Pneumatic three-way valve connects tank body (asphalt tank or Soap liquid pot) and metering and conveying device.During work, PLC controls servomotor and rotates forward, and motor shaft drives drive axis by shaft coupling, the second pinion rotation that transmission shaft is engaged with by the first gear driven, second gear driven screw rotates, and screw engages with screw mandrel, drives screw mandrel to rotate, screw mandrel outwards moves, drive piston to move backward, now cylinder barrel inside is vacuum state, is moved backward by piston, internal pressure is negative pressure, and pitch or soap lye are imported and exported suction by medium by negative pressure; When piston arrives cylinder barrel rear wall, control screw mandrel by PLC and stop operating.Now by Pneumatic three-way Vavle switching, connect metering and conveying device and colloidal mill respectively.PLC controls servomotor reversion, and in like manner, screw mandrel starts inside motion, is pushed in colloidal mill by interior media.Waste liquid can be released by medium discharging hole or detect the quality of medium.
Medium demand is determined by the stroke of PLC control piston, and transfer rate is regulated by the rotating speed controlling servomotor.Metering and conveying device has overload protection function.Metering and conveying device Media density can be revised at control inerface.
The invention discloses a kind of emulsified modified asphalt experimental machine, belong to asphalt equipment field.The invention provides a kind of emulsified modified asphalt experimental machine, this equipment is made up of asphalt tank, pitch metering and conveying device, Soap liquid pot, soap lye metering and conveying device, colloidal mill, emulsified bitumen cooling system and PLC control system.During work, pitch and soap lye is added respectively in asphalt tank and Soap liquid pot, utilize automatic temperature control system that pitch and soap lye are heated to required technological temperature, open pitch metering and conveying device and soap lye metering and conveying device, extract respective media, be proportionally injected in colloidal mill, shearing through colloidal mill is ground, by asphalt emulsification, under back pressure system effect, the thermal exchange through interchanger obtains finished product emulsified bitumen.The keying of the temperature everywhere in whole process, pressure, valve transfer and system everywhere is all controlled by PLC, improves working efficiency.
Beneficial effect of the present invention is:
Emulsified modified asphalt experimental machine of the present invention comprises pitch metering and conveying device and soap lye metering and conveying device, and pitch metering and conveying device and soap lye metering and conveying device not only can accurate measurements but also can complete conveying function.Because the present invention can accurate measurement, by some experiments, the parameters such as best metering proportion, optimum temps can be determined, are beneficial to the lifting of quality product in batch production.
Experimental machine structure of the present invention is simple, accurate measurement, easy to use, reliable.And equipment one-machine-multi-function, can production common emulsified asphalt, emulsified modified asphalt and modifying asphalt.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of emulsified modified asphalt experimental machine of the present invention;
Fig. 2 is the structural representation 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, comprises asphalt tank 1 and Soap liquid pot 5, all configures whipping appts and heated for controlling temperature system in asphalt tank 1 and Soap liquid pot 5; Asphalt tank 1 and Soap liquid pot 5 are also provided with the hot resistance 8 of detected temperatures.
Asphalt tank 1 is communicated with the import of colloidal mill 22 by pitch metering and conveying device 4, and Soap liquid pot 5 is communicated with the import of colloidal mill 22 by soap lye metering and conveying device 7.
Its medium pitch metering and conveying device 4 is identical with the structure of soap lye metering and conveying device 7, this metering and conveying device comprises servomotor 30, the output shaft of servomotor 30 is by the coaxial connection for transmission axle 27 of shaft coupling 29, transmission shaft 27 is provided with the first gear 28, first gear 28 by joint pin engage with the second gear 33; Second gear 33 is fixed by joint pin and jackscrew with screw 32, and screw 32 engages with screw mandrel 31, and one end of screw mandrel 31 is fixedly connected with the piston 26 be arranged in cylinder barrel 25; Cylinder barrel 25 is provided with medium and imports and exports 24 and medium discharging hole 34, and all the other positions are airtight; Medium is imported and exported 24 and is connected with the second T-valve 3 or the 3rd T-valve 6; Medium discharging hole 34 connects manual ball valve.When cylinder barrel 25 not emptying, manual valve cuts out, and plays sealing function; When cylinder barrel 25 emptying, manual valve is opened, and completes emptying process.
The outlet of asphalt tank 1 is provided with dirt discharging valve 2, and asphalt tank 1 is communicated with the medium import and export 24 of pitch metering and conveying device 4 and the import of colloidal mill 22 by the first T-valve 3; The outlet of Soap liquid pot 5 is provided with dirt discharging valve 2, is provided with in-line filter below the dirt discharging valve 2 in Soap liquid pot 5 exit.Described Soap liquid pot 5 is communicated with the medium import and export 24 of soap lye metering and conveying device 7 and the import of colloidal mill 22 by the second T-valve 6.
The outlet of colloidal mill 22 connects pitch cooling system (interchanger 16) by the 3rd T-valve 13, and interchanger 16 is provided with cold medium entrance 17 and cold media outlet 18, colloidal mill 22 is arranged colloidal mill dirt discharging valve 23.Described pitch cooling system (interchanger 16) is communicated with product outlet 20 and waste liquid outlet 19 respectively by the 4th T-valve 15; Pipeline between described 4th T-valve 15 and product outlet 20 is provided with back pressure valve 21.Product outlet 20 and waste liquid port 19 is established after back pressure valve 21.Back pressure valve 21 has regulatory function, and finished product and waste liquid are automatically switched by Systematical control.
Arrange tensimeter 10, thermometer 9, hot resistance 8 and the first check valve 11, first check valve 11 between pitch metering and conveying device 4 and colloidal mill 22 to be arranged on colloidal mill 22 import two-way medium and to converge front, position.Arrange tensimeter 10, thermometer 9, hot resistance 8 and the second check valve 12, second check valve 12 between soap lye metering and conveying device 7 and colloidal mill 22 to be arranged on colloidal mill 22 import two-way medium and to converge front, position.Pipeline between colloidal mill 22 and pitch cooling system (interchanger 16) is provided with tensimeter 10, hot resistance 8.
For the ease of automatic control, described first T-valve 3, second T-valve 6 and the 4th T-valve 15 are Pneumatic three-way valve, and described 3rd T-valve 13 is manual three-way valve; A pneumavalve 14 is also provided with between described 3rd T-valve 13 and pitch cooling system.
Interchanger 16, with addition of heat and temperature regulating device, clears up fouling of heat exchangers after heating; Air purge joined by interchanger 16, for interchanger emptying.Colloid bistrique installs heating and temperature regulating device.
System pipeline all has companion's heat and insulation, accompanies hot temperature-controllable.
Before work, piston is close to cylinder barrel antetheca, and Pneumatic three-way valve connects tank body (asphalt tank or Soap liquid pot) and metering and conveying device.During work, PLC controls servomotor and rotates forward, and motor shaft drives drive axis by shaft coupling, the second pinion rotation that transmission shaft is engaged with by the first gear driven, second gear driven screw rotates, and screw engages with screw mandrel, drives screw mandrel to rotate, screw mandrel outwards moves, drive piston to move backward, now cylinder barrel inside is vacuum state, is moved backward by piston, internal pressure is negative pressure, and pitch or soap lye are imported and exported suction by medium by negative pressure; When piston arrives cylinder barrel rear wall, control screw mandrel by PLC and stop operating.Now by Pneumatic three-way Vavle switching, connect metering and conveying device and colloidal mill respectively.PLC controls servomotor reversion, and in like manner, screw mandrel starts inside motion, is pushed in colloidal mill by interior media.Waste liquid can be released by medium discharging hole or detect the quality of medium.
Medium demand is determined by the stroke of PLC control piston, and transfer rate is regulated by the rotating speed controlling servomotor.Metering and conveying device has overload protection function.Metering and conveying device Media density can be revised at control inerface.
The invention discloses a kind of emulsified modified asphalt experimental machine, belong to asphalt equipment field.The invention provides a kind of emulsified modified asphalt experimental machine, this equipment is made up of asphalt tank, pitch metering and conveying device, Soap liquid pot, soap lye metering and conveying device, colloidal mill, emulsified bitumen cooling system and PLC control system.During work, pitch and soap lye is added respectively in asphalt tank and Soap liquid pot, utilize automatic temperature control system that pitch and soap lye are heated to required technological temperature, open pitch metering and conveying device and soap lye metering and conveying device, extract respective media, be proportionally injected in colloidal mill, shearing through colloidal mill is ground, by asphalt emulsification, under back pressure system effect, the thermal exchange through interchanger obtains finished product emulsified bitumen.The keying of the temperature everywhere in whole process, pressure, valve transfer and system everywhere is all controlled by PLC, improves working efficiency.
2, Application Example
The process using the present invention to produce emulsified modified asphalt is:
1, according to production technique formula, the outer pre-heated bitumen of equipment, makes pitch have good flow state, adds in asphalt tank afterwards by pitch, by asphalt heating to production technique temperature;
2, prepare soap lye, in Soap liquid pot, metering adds water, and is slowly added in Soap liquid pot by weighted emulsifying agent, heats while stirring, soap lye is warming up to production technique temperature;
3, equipment preheating;
4, apparatus parameter setting;
5, recirculated cooling water and source of the gas is connected;
6, by pitch metering and conveying device, pitch is sucked in cylinder barrel;
7, by soap lye metering and conveying device, soap lye is sucked in cylinder barrel;
8, air valve is switched, changing flow direction;
9, colloidal mill is started;
10, by producting proportion and processing parameter, first start soap lye metering and conveying device and carry soap lye in colloidal mill, pitch metering and conveying device is started to conveying bitumen in colloidal mill after 5s, utilize the shearing grinding of colloidal mill, carry out asphalt emulsification processing, medium, by after heat-exchange system and back pressure system, goes out emulsified bitumen finished product;
11, asphalt production complete after equipment automatically stop asphalt production, and soap lye continues flushing pipeline and interchanger;
12, after having cleaned pipeline, close colloidal mill, open air-blowing, cleaning interchanger;
13, powered-down, water source, source of the gas.
The process using the present invention to produce modifying asphalt is:
1, the outer pre-heated bitumen of equipment, makes pitch have good flow state, adds in asphalt tank afterwards by pitch, by asphalt heating to production technique temperature;
2, modification is switched to produce;
3, valve transfer is to asphalt tank direction, without interchanger;
4, slowly add in asphalt tank after properties-correcting agent being weighed, stir in asphalt tank;
5, pitch is sucked in the cylinder barrel of pitch metering and conveying device;
6, open after colloidal mill preheating;
7, by pitch metering and conveying device by asphalt delivery to colloidal mill, cross colloidal mill shear grinding;
8, repeatedly cyclical operation;
9, growing through stirring, after sampling detection is qualified, releasing finished product asphaltum from asphalt tank discharging hole;
10, after having produced, in asphalt tank, clean-out system is added, overground cleaning one time, emptying;
11, power-off cleaning equipment, a batch experiment is produced and is terminated.
Claims (10)
1. an emulsified modified asphalt experimental machine, comprise asphalt tank, Soap liquid pot, apparatus for combining liquids and connect the piping system of each tank body and apparatus for combining liquids, it is characterized in that: all arrange liquid meter e Foerderanlage between asphalt tank and apparatus for combining liquids and between Soap liquid pot and apparatus for combining liquids, described liquid meter e Foerderanlage is the metering and conveying device driving piston to retreat by servomotor.
2. emulsified modified asphalt experimental machine as claimed in claim 1, it is characterized in that: in described liquid meter e Foerderanlage, the output shaft of servomotor is by the coaxial connection for transmission axle of shaft coupling, described transmission shaft is provided with the first gear by joint pin, described first gear and the second gears meshing; Described second gear and screw are fixed by joint pin and jackscrew, and described screw engages with screw mandrel, and one end of described screw mandrel is fixedly connected with the piston be arranged in cylinder barrel; Described cylinder barrel is provided with medium and imports and exports and medium discharging hole, and all the other positions are airtight; Described medium discharging hole connects manual valve.
3. emulsified modified asphalt experimental machine as claimed in claim 2, is characterized in that: described apparatus for combining liquids is colloidal mill; Liquid meter e Foerderanlage between asphalt tank and apparatus for combining liquids is pitch metering and conveying device, and the liquid meter e Foerderanlage between Soap liquid pot and apparatus for combining liquids is soap lye metering and conveying device; The medium that described asphalt tank is communicated with pitch metering and conveying device by the first T-valve is imported and exported and colloidal mill import; The medium that described Soap liquid pot is communicated with soap lye metering and conveying device by the second T-valve is imported and exported and colloidal mill import.
4. emulsified modified asphalt experimental machine as claimed in claim 3, is characterized in that: described colloidal mill outlet connects pitch cooling system by the 3rd T-valve, and described pitch cooling system is communicated with product outlet and waste liquid outlet respectively by the 4th T-valve; Described 4th pipeline between T-valve and product outlet is provided with back pressure valve.
5. emulsified modified asphalt experimental machine as claimed in claim 3, is characterized in that: all configure whipping appts and heated for controlling temperature system in described asphalt tank and Soap liquid pot; Below described asphalt tank, dirt discharging valve is set, set temperature table, tensimeter, hot resistance and the first check valve between described pitch metering and conveying device and colloidal mill; Below described Soap liquid pot, dirt discharging valve is set, set temperature table, tensimeter, hot resistance and the second check valve between described soap lye metering and conveying device and colloidal mill.
6. emulsified modified asphalt experimental machine as claimed in claim 3, it is characterized in that: described first T-valve, the second T-valve and the 4th T-valve are Pneumatic three-way valve, described 3rd T-valve is manual three-way valve; A pneumavalve is also provided with between described 3rd T-valve and pitch cooling system.
7. emulsified modified asphalt experimental machine as claimed in claim 1, it is characterized in that: described pitch cooling system is interchanger, described interchanger is provided with cold medium entrance and cold media outlet.
8. emulsified modified asphalt experimental machine as described in claim 1 or 7, is characterized in that: the pipeline between described colloidal mill and pitch cooling system is provided with tensimeter, hot resistance.
9. emulsified modified asphalt experimental machine as claimed in claim 5, is characterized in that: described first check valve and the second check valve are arranged on colloidal mill import two-way medium and converge front, position.
10. emulsified modified asphalt experimental machine as claimed in claim 5, is characterized in that: be provided with in-line filter below described Soap liquid pot dirt discharging valve.
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CN201610063006.2A CN105542193B (en) | 2016-01-30 | 2016-01-30 | A kind of emulsified modified asphalt experimental machine |
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CN201610063006.2A CN105542193B (en) | 2016-01-30 | 2016-01-30 | A kind of emulsified modified asphalt experimental machine |
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CN105542193B CN105542193B (en) | 2018-04-20 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107217569A (en) * | 2017-06-09 | 2017-09-29 | 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)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
-
2016
- 2016-01-30 CN CN201610063006.2A patent/CN105542193B/en active Active
Patent Citations (3)
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 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107217569A (en) * | 2017-06-09 | 2017-09-29 | 刘祖希 | A kind of novel emulsion asphalt production equipment and its production technology |
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 |
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