1, Introduction:
CHTCARP3515 asphalt rubber plant is a type of special equipment to produce asphalt rubber. It is capable to produce asphalt rubber stably, successively and efficiently. The finished asphalt rubber is featured by high-temperature stability, low-temperature flexibility, properties of aging resistance, endurance resistance and water resistance. Therefore, asphalt rubber is widely applied in express highway construction.
This equipment is mainly consisted of rubber powder conveying device, heating system, fast heating-up device of matrix asphalt, asphalt metering pumping system, high speed shearing and mixing device, mixtures reaction device and automatic control system.

2, Working Principle & Technological Process:
Working principle: Strictly enforcing United States of America McDonald preparation and production technology, rubber powder scattering and measuring feeding system prevent rubber powder charging from being affected by charging time and powder lump, thereby to ensure continuous and rationing(quantitative) supply of rubber powder to continuous mixing and high-speed cutting device, then complete mixing at the mixing and cutting device with the asphalt heated by fast heating-up system, measured, and rationing conveyed by pipeline system; after mixing, asphalt and rubber mixtures will be conveyed to reaction kettle with heating and mixing device by special asphalt rubber pump of large displacement for full swelling reaction; at last the finished asphalt rubber will be pumped to the required places.

3、Technological Process:
Technological Process: The rubber power is feeded into the rubber powder bin and scattered by the crashing device at the bottom of bin; then rubber power is delivered by spiral conveyor to continuous mixing and high-speed cutting device of rubber power and matrix asphalt. Synchronously, matrix asphalt is pumped out of tank, then through the filter (optional device) in front of asphalt pump and delivered into matrix asphalt heating-up device; heat transports from heat oil of high temperature in heat exchanger to matrix asphalt, which makes matrix asphalt temperature increase to the specified numbers in very short time. Next, the high-temperature matrix asphalt also goes into the continuous mixing and high-speed cutting device for mixing and cutting evenly to form mixtures with rubber powder; after mixing, the mixture is pumped into reaction kettle which is equipped with forceful stirring device, heating device and heat oil pipeline thermal isolation system for 45-60 minutes reaction until the viscosity and other properties of finished asphalt rubber meeting the required specification. Finally, finished asphalt rubber will be pumped out of kettle to mixing plant for application or asphalt tank for storage.


4.Main Characteristics and  Advantages:

1, Strictly enforcing McDonald preparation and production technology to produce the true Rubber Modified Asphalt.
2, High power heating source of heating oil and large area of heat exchanger which heating the asphalt’s degree higher than 50 degrees, fast heating-up reaction kettle can ensure the core of rubber powder granule in asphalt rubber.
3, Large screen displayed full-automatic control device which realized the exchanging between full-automatic control and manual control at any time, which also supplied guarantee for the machine’s reliability service.
4, Specific rubber powder scattered device and measuring form which guarantee the accuracy of rubber powder’s measurement.
5, Forcing type spiral stirrer device is used in horizontal type reaction kettle, effectively solved the problem of separation, precipitation between rubber powder and asphalt

6, With 10-40 tons Production capacity, on the basis of main engine the capacity can be expanded and upgrade through enlarge the volume of reaction kettle

5.Technical Specifications:


Function and Technical feature

Rubber Powder Batching System

Consisted of hopper, scattering device, batching screw and metering screw; conveying metered rubber powder to the rubber powder and asphalt continuous mixing and high-speed cutting device; helical balance meters accurately; metering screw runs at a constant speed, batching screw is regulated by electrical proportional valve.

Matrix Asphalt Heating-up Device

Heat exchanger of large area and cross circulation transfers heat through heat oil to heat up the matrix asphalt for 40-65 at the speed of 8t/h in the interval of heat exchanger circulation.

Rubber Powder & Asphalt Continuous Mixing & High-speed Cutting Device

Mixing the metered rubber powder and asphalt well, which realizes rotary speed of 2900rpm at home only; patented high-speed rotary cutting device scatters the rubber crumb blocks and distributes the rubber powder evenly in the binders to stabilize the binders’ technical.

Reaction Kettle

Mixtures reaction vessel; special powerful mixer prevents asphalt rubber from segregation in the tank and makes favor of complete mixed reaction; speeding up heat transfer to make full use of heat energy for reduction of production costs; double heating system includes heat oil coil and fire tube heated by diesel burner; thermal insulation device keep the required temperature for reaction; external heats asphalt up more rapidly.

Automatic Electrical Control System

Controlling and monitoring the operation of the whole machine, computer design, and automatic control. Humanity design improves comfort experience in the operations.













Total Installed Power



Fast Heating-up Device

Heating capacity



Heat exchange area



Heat exchange coefficient

50 (20t/h)

Measuring Precision



Rubber Powder Feeding System

Measuring precision



Capacity of helical feeder



Matrix Asphalt System

Max. flow rate



Rubber Powder & Asphalt Mixer

Mixer rotary speed



Mixer power



Reaction Kettle

Heating power of burner



Kettle capacity



Max. capacity of asphalt rubber pump



Mixing speed



Mixing power



CHTCARP3515 Asphalt Rubber Plant