Polymer Modified Bitumen Plant

The polymer modified bitumen plant is mainly used for the production of various modified bitumens, such as SBS, EVA, and PE modified bitumen. It can also produce rubber modified bitumen.

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Polymer Modified Bitumen Plant

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Product Description

What is polymer modified bitumen(PMB)?

Polymer modified asphalt is an asphalt binder made by adding asphalt with high molecular polymer to improve the performance of asphalt or asphalt mixture. PMB for short

What is  polymer modified bitumen plant?

The plant is a machine that mixes asphalt and polymer together and distributes small polymer particles evenly in the asphalt through grinding and other methods.

Important components of polymer modified asphalt plant

The polymer modified asphalt plant includes an asphalt rapid heating part, an asphalt and polymer blending part,  polymer and asphalt metering part,  grinding part and control part.

What supporting equipment is needed to run a polymer modified asphalt plant?

Thermal oil boiler, Provide heat source to heat bitumen

Bitumen tank ,Storing and heating raw bitumen

PMB tank,Development and storage of PMB

Production Process

1. The bitumen is heated by transfer oil through a heat exchanger to 180-190°C.

2. The bitumen enter the mixing tank after passing through the flow meter.

3. The polymer passes through the metering bin. After accurate metering, it enters the mixing tank and is mixed with asphalt.

4. The mixture of asphalt and polymer passes through the pump and enters the colloid mill.

6. After being ground by the colloid mill, the asphalt mixture enters the development tank. After 2 hours of development in the tank, the polymer modified asphalt is.

 

Product  parameters

Name

Item

 DXGX-10

 DXGX-20

population parameter

Output

10t/h

20t/h

Total  power

120kW

200kW

Size

11000mm×2250mm×2800mm

16000mm×2250mm×2800mm

Measurement method

Bitumen

Frequency pump + flow meter

Polymer

 weigh

 

control mode

Manual / automatic

bitumen pump

0-16.8 m3/h

0-24 m3/h

Bitumen flow meter

0~20 m3/h

0~35 m3/h

Heat exchanger

100m2

200m2

Polymer hoist

1~5 m³/h

110 m³/h

Mix tank

5m³*2

7m³*2

stir

axial-flow type

Mixer conveying pump

24 m3/h

Colloid mill

75KW

150kw

Electric control system

PLC

Manual / automatic mode, touch-screen operation

Key parts

The JMJ colloid mill is developed by our company by introducing international advanced technology. It is a new type of high-efficiency ultra-fine mill that combines strong extrusion and high-speed shearing. It is mainly used to highly refine and homogenize polymers added to molten asphalt.

JMJ type colloid mill, the imported spiral rotates at high speed to feed the asphalt mixture into the gap between the stator and the rotor. After high-speed grinding of the stator and rotor, intense shearing is performed to achieve a high degree of refinement of the polymer. The JMJ colloid mill adopts a cross-stepped distribution of grinding and shearing. The gaps are getting smaller and smaller, and the fineness of the polymer can reach 1~10μm in one processing.

The flat tooth structure design of the stator and rotor of the JMJ colloid mill not only has simple processing technology, is safe to use, has high operating accuracy, but also has a large flow rate.

 

Precise air control asphalt temperature system

The system forms a closed-loop PID control system through the above three components, which can accurately control the asphalt temperature rise.

 

Advantage

1.The polymer is statically weighed, and the added amount is accurate to ensure the quality of the PMB.

2. The bitumen supply is measured by a variable frequency pump speed controlled flow meter, this setting allows the PMB plant to reduce production when heat supply is insufficient.

3. Bitumen heating uses a large-capacity heat exchanger and electronic temperature control to adapt to the ambient temperatures in different regions.

4. Both the host machine and the reactor unit adopt container structure, which is convenient for supporting, high productivity and easy to move.

5. Special rubber asphalt pump greatly improves the reliability of the plant. PMB and CRMB plant both in one.

6. PLC + program controller realizes manual/automatic control, which is convenient, safe and reliable, and the human-machine dialogue interface makes the control more humane

7. The use of international brand electrical components such as Siemens and Schneider greatly improves versatility and reliability.

 

Usage Scenario

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Application Scenarios

 

 

 

 

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