Continuous Pre-expander Polystyrene Machine
Continuous Pre-expander Polystyrene Machine is used to expand EPS raw material to required density, machine works in continuous way both in taking raw material and discharging expanded material. EPS Continuous Pre-expander can do second and third expansion to get low density.
EPS Continuous Preexpander complete with Screw Conveyor, First and second expansion loader, Expansion Chamber, Fluidized bed Drier
The Continuous Pre-expander Polystyrene Machine is a specialized piece of equipment that is used to manufacture expanded polystyrene (EPS) foam. It is designed to efficiently and accurately pre-expand the raw polystyrene beads before they are molded into the final product.
The Continuous Pre-Expander Polystyrene Machine utilizes a continuous process, where the pre-expanded beads are fed into a hopper and then into a screw conveyor, which transports them into the pre-expansion chamber. In the chamber, the beads are exposed to steam and heat, which causes them to expand and become lighter.
The expanded beads are then discharged from the machine into a storage silo and can be further processed into different shapes and sizes. The temperature and pressure inside the pre-expansion chamber can be precisely controlled to ensure optimal expansion, and the machine is equipped with sensors and alarms to prevent any potential malfunctions.
The Continuous Pre-expander Polystyrene Machine is an essential component of the EPS foam manufacturing process and is necessary for creating high-quality and consistent foam products. Continuous Pre-Expander Polystyrene Machine is widely used in the packaging, construction, and automotive industries, among others.
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Continuous Preexpander |
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Item |
SPY90 |
SPY120 |
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Expansion chamber |
Diameter |
Φ900mm |
Φ1200mm |
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Volume |
1.2m³ |
2.2m³ |
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Usable volume |
0.8m³ |
1.5m³ |
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Steam |
Entry |
DN25 |
DN40 |
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Consumption |
100-150kg/h |
150-200kg/h |
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Pressure |
0.6-0.8Mpa |
0.6-0.8Mpa |
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Compressed Air |
Entry |
DN20 |
DN20 |
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Pressure |
0.6-0.8Mpa |
0.6-0.8Mpa |
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Drainage |
Entry |
DN20 |
DN20 |
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Throughput |
15g/1 |
250kg/h |
250kg/h |
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20g/1 |
300kg/h |
300kg/h |
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25g/1 |
350kg/h |
410kg/h |
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30g/1 |
400kg/h |
500kg/h |
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Material conveying line |
DN100 |
Φ150mm |
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Power |
10kw |
14.83kw |
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Density |
First expansion |
12-30g/l |
14-30g/l |
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Second expansion |
7-12g/l |
8-13g/l |
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Overall dimension |
L*W*H |
4700*2900*3200(mm) |
4905*4655*3250(mm) |
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Weight |
1600kg |
1800kg |
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Room height required |
3000mm |
3000mm |
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