EPS Continuous Pre-expander Machine
EPS Continuous Preexpander 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 EPS Continuous Pre-expander Machine is a type of equipment used for expanding beads of polystyrene materials. The machine works in a continuous process where the beads are fed into the machine through a hopper at a designated rate. The pre-expander machine then heats and expands the beads using steam, causing them to increase in volume.
The EPS Continuous Pre-Expander Machine has a series of heating chambers that are designed to maintain precise steam pressure and temperature levels. The chambers are also equipped with fill-level sensors that ensure the proper amount of beads are fed into each chamber.
Once the beads have been heated and expanded, they are then transported to a cooling chamber where they are allowed to cool down and stabilize. The cooling chamber is equipped with a cooling fan that ensures even cooling of the expanded beads.
The expanded beads can then be further processed into various products, such as packing materials or insulation products. The EPS Continuous Pre-expander Machine is an essential piece of equipment in the production of polystyrene-based products and is widely used in industries such as construction, packaging, and automotive.
The machine is designed to be user-friendly and easy to operate, with features such as automated controls and a digital display panel that allows operators to monitor and adjust the machine's settings. It is also designed to be energy-efficient, with a system that recycles steam and reduces energy consumption.
In conclusion, the EPS Continuous Pre-expander Machine is a high-performance piece of equipment that plays a crucial role in the production of polystyrene-based products. Its ability to expand beads of polystyrene materials in a continuous process, along with its energy-efficient design, makes it an indispensable tool for various industries.
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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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Machine features
1. The EPS Continuous Pre-Expander Machine adopts Mitsubishi PLC and Winview touch screen for automatic mould opening, mould closing, material filling, steaming, temperature keeping, air cooling, demoulding and ejecting.
2. Machine's all six panels are through heat treatment to release welding stress, so that panels cannot deform under high temperature;
3. Mould cavity is made of special aluminum alloy plate with high-efficiency heat conduction, aluminum plate thickness 5mm, with Teflon coating for easy demoulding.
4. The EPS Continuous Pre-Expander Machine set up high-pressure blower for suction material. Cooling is done by convection air by blower.
5. EPS Continuous Pre-Expander Machine plates are from high-quality steel profile, through heat treatment, strong and no deformation.
6. Ejection is controlled by hydraulic pump, so all ejectors push and return at same speed;
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