Single Screw Extruder for Ceramic Membrane

The single screw extruder for ceramic membranes is used to make ceramic membrane plates.

Ceramic Membrane Plate

Ceramic membrane plates are a hyper filtration membrane that is able to remove impurities like suspended solids and microorganisms in liquid. Ceramic membrane plates feature a 3-5 times longer working life, 50% lower chemicals / energy consumption and 50% lower maintenance cost when compared to polymetric membranes.

  • Products after extrusion process
  • PM-HIP extrusion screw
  • Extrusion screw with functional coatings

Details of design

  • Motor / Reducer
    We use the high torque variable frequency motors (VFDs) with a cooling unit for our one-stage and two-stage extruders. The motors can save energy and function in a stable manner, ensuring the extruders feature a long service life.
    In addition, our compact design ensures these machines save space.
  • Torque distribution system
    We use high quality Japan NSK bearings as the radial bearing.
  • Gears
    The gears are made of 20CrNi2MOA，HRC58-62 metal, which features an extraordinarily high abrasion resistance.
  • Extrusion Barrel
    A water-cooling system is used outside the barrel, ensuring the machine works smoothly.
  • Control Cabinet
    The touch screens and PLC (Programmable Logic Controller) have been put in the control cabinet.


Parameters

Items One Stage Compacting Extruder Two stages compacting forming extruder
Hopper 304 stainless steel, manual feeding Vacuum feeding
Main Motor 11 kw 18.5 kw
Diameters (mm) and materials of the Screws ⌀117.5, Quench hardened martensitic stainless steel ⌀117.5, Quench hardened martensitic stainless steel
Screw length / diameter (L/D) 8 10
Screw Speed (rpm) 5～30 rpm 5～30 rpm
Ultimate screw pushing force (Mpa) 10 Mpa 18 Mpa
Max. screw torque at highest speed (Nm) 6600 11000
Power of variable frequency motors 11 kw 18.5 kw
Vacuum exhaust system Germany Busch motors, Motor Power 0.75 kw，Ultimate Vacuum 0.1 hPa (mbar), Max. speed 1800 rpm, Max. Pumping rate 30 m3/h
Temperature control type of the barrel and the screw Water circulation cooling outside the barrel Water circulation cooling outside the barrel and inside the screw
Range of temperature control of the barrel and the screw 10℃~100℃ 10℃~100℃
Range and accuracy of temperature of raw materials 50℃±0.2 50℃±0.2
Levels of barrel temperature 3 different levels 5 different levels
Back pressure of raw materials 3 Mpa 15 Mpa
Screw hight of center (mm) 1700 1100
Output of Al2O3 with density of 4.0 g/cm3 160 kg~280 kg/hr
Total installed capacity (kW) 41
Power Consumption under normal operation (%) 80%
Dimensional size (mm) Length, 3500 × Width, 1100 × Height 2000
Whole weight of the machine (kg) 2500
Extrusion professional
We have several advantages over our competitors:
  • Strong designing strength
    We design and manufacture the screws, barrels, and extruders according to customer requirements.
  • Rich experience
    We have been in the extrusion industry for decades, and our products are used by prominent companies such as Foxconn.
  • Advanced material technologies
    Our PM-HIP processing technology increases the material density and reduces casting defects. The new design of an aluminum alloy clad layer on SiC ceramic allows the extruder to work, even in harsh conditions.
Whatever You Need
We are looking forward to your reply. If you need more information about us or customization information, please do not hesitate to contact us.

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