Styrenic insulation for pipe

Styrenic insulation for pipe

  • CN 101,903,696 B
  • Filed: 12/19/2008
  • Issued: 04/22/2015
  • Est. Priority Date: 12/21/2007
  • Status: Active Grant
First Claim
Patent Images

1. the adiabatic fluid delivery line used in offshore, deepwater environment, described pipeline comprises:

  • (a) continuous print steel pipe, this continuous print steel pipe is made up of one or more tubular portion, and wherein said steel pipe has outer surface and internal surface;

    And(b) heat insulation layer, this heat insulation layer is arranged on the outer surface of described steel pipe, and wherein said heat insulation layer is made up of the thermoplastic material of polystyrene or styrene-based;

    The uniaxial compressive strength >

    25MPa of wherein said heat insulation layer;

    The modulus of compression >

    1000Mpa of described heat insulation layer;

    The incompressible triaxial creepage <

    10% of described heat insulation layer under the higher average operating temperature of coating;

    Described heat insulation layer has the thermal conductivity <

    0.170W/mK of high thermal softening point and described heat insulation layer.

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