New Delivery for Electric Styrofoam Foam Cutter - SPY90-SPY120 Continuous Pre expander – DONGSHEN

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abide by the contract", conforms into the market requirement, joins in the market competition by its good quality also as provides a lot more comprehensive and great company for purchasers to let them turn into huge winner. The pursue from the firm, would be the clients' gratification for Styrofoam Cnc Cutter, Eps Material Making Machine, Eps Granulator, We believe you will be satisfied with our reasonable price, high quality products and fast delivery. We sincerely hope you can give us an opportunity to serve you and be your best partner!
New Delivery for Electric Styrofoam Foam Cutter - SPY90-SPY120 Continuous Pre expander – DONGSHEN Detail:

Machine Introduction

Inside EPS raw beads, there’s the blowing gas called pentane. After steaming, pentane starts to expand so the bead size also grows bigger, this is called expanding. EPS raw beads cannot be used to make blocks or packaging products directly, all beads need to be expanded first then make other products. Product density is decided during Preexpanding, so density control is done in Preexpander.

EPS Continuous Preexpander is functioned 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

EPS Continuous Preexpander is a kind of EPS Machine working with mechanical control. EPS raw material is first filled from screw conveyor to expansion loader. At the bottom of loader is the screw, to move material from loader to expansion chamber. During steaming, agitating shaft is moving constantly to make the material density even and uniform. Raw material move to chamber continuously, and after steaming, material level continuously move up, till the material level comes to same level of discharging opening port, then material will automatically flow out. The higher the discharge opening is, the longer the material stays in the barrel, so the lower the density is; the lower the discharge opening is, the shorter the material stays in the barrel, so the higher the density is. The control of the continuous pre-expanding machine is very simple. Whether the steam pressure is stable or not has a great influence on the density of expanding. Therefore, our continuous pre-expanding machine is equipped with a Japanese pressure reducing valve. In order to make the steam pressure in the machine more stable, we use the screw to feed the material at a uniform speed, and the uniform steam and uniform feed are as uniform as possible.

Technical Parameter

Continuous Preexpander
Item   SPY90 SPY120
Expansion chamber Diameter Φ900mm Φ1200mm
Volume 1.2m³ 2.2m³
 Usable volume 0.8m³ 1.5m³
Steam Entry DN25 DN40
Consumption 100-150kg/h 150-200kg/h
Pressure 0.6-0.8Mpa 0.6-0.8Mpa
Compressed Air Entry DN20 DN20
Pressure 0.6-0.8Mpa 0.6-0.8Mpa
Drainage Entry DN20 DN20
Throughput 15g/1 250kg/h 250kg/h
20g/1 300kg/h 300kg/h
25g/1 350kg/h 410kg/h
30g/1 400kg/h 500kg/h
Material conveying line DN100 Φ150mm
Power 10kw 14.83kw
Density First expansion 12-30g/l 14-30g/l
Second expansion  7-12g/l  8-13g/l
Overall dimension L*W*H 4700*2900*3200(mm) 4905*4655*3250(mm)
Weight   1600kg 1800kg
Room height required   3000mm 3000mm

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Product detail pictures:

New Delivery for Electric Styrofoam Foam Cutter - SPY90-SPY120 Continuous Pre expander – DONGSHEN detail pictures

New Delivery for Electric Styrofoam Foam Cutter - SPY90-SPY120 Continuous Pre expander – DONGSHEN detail pictures

New Delivery for Electric Styrofoam Foam Cutter - SPY90-SPY120 Continuous Pre expander – DONGSHEN detail pictures

New Delivery for Electric Styrofoam Foam Cutter - SPY90-SPY120 Continuous Pre expander – DONGSHEN detail pictures

New Delivery for Electric Styrofoam Foam Cutter - SPY90-SPY120 Continuous Pre expander – DONGSHEN detail pictures


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Our personnel are always in the spirit of "continuous improvement and excellence", and with the superior quality products, favorable price and good after-sales services, we try to win every customer's trust for New Delivery for Electric Styrofoam Foam Cutter - SPY90-SPY120 Continuous Pre expander – DONGSHEN , The product will supply to all over the world, such as: Bahrain, Tajikistan, United States, When you are keen on any of our items following you view our product list, please feel free to make contact with us for inquiries. You'll be able to send us emails and get in touch with us for consultation and we shall respond to you as soon as we are able to. If it's convenient, you could find out our address in our web site and come to our enterprise. or additional information of our items by yourself. We're generally ready to build lengthy and steady co-operation relations with any possible shoppers within the associated fields.
  • The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
    5 Stars By Meredith from Hyderabad - 2018.12.14 15:26
    The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
    5 Stars By Antonia from Denver - 2017.12.09 14:01
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