Cold-proof and frost-resistant multilayer blow-off pipe
A technology of sewage pipes and antifreeze layers, applied in the field of sewage pipes, can solve the problems of affecting the service life of pipes, blockage or water leakage of pipes, rough and unequal pipe walls, and achieve the improvement of cold resistance and frost resistance, prolong service life and pollution-free environment. Effect
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Embodiment 1
[0054] as attached figure 1 Shown:
[0055] An antifreeze type composite sewage pipe, comprising a pipe body, the pipe body including a PE layer 3 as a main body, a graphite layer 2 is arranged inside the PE layer 3, a hydrophobic and corrosion-resistant layer 1 is arranged inside the graphite layer 2, The outside of the PE layer 3 is provided with a temperature regulating layer 4, the outside of the temperature regulating layer 4 is provided with a thermal insulation layer 5, the external of the thermal insulation layer 5 is provided with a PVDF layer 6, and the external of the PVDF layer 6 is provided with an antifreeze layer 7. The inner wall of the pipe body is smooth, and the outer wall of the pipe body is provided with spiral corrugations.
[0056] The hydrophobic corrosion-resistant layer 1 is a polytetrafluoroethylene layer, and the thickness of the hydrophobic corrosion-resistant layer 1 is 1.2mm.
[0057] The thickness of the graphite layer 2 is 0.8mm.
[0058]The...
Embodiment 2
[0090] as attached figure 1 Shown:
[0091] An antifreeze type composite sewage pipe, comprising a pipe body, the pipe body including a PE layer 3 as a main body, a graphite layer 2 is arranged inside the PE layer 3, a hydrophobic and corrosion-resistant layer 1 is arranged inside the graphite layer 2, The outside of the PE layer 3 is provided with a temperature regulating layer 4, the outside of the temperature regulating layer 4 is provided with a thermal insulation layer 5, the external of the thermal insulation layer 5 is provided with a PVDF layer 6, and the external of the PVDF layer 6 is provided with an antifreeze layer 7. The inner wall of the pipe body is smooth, and the outer wall of the pipe body is provided with spiral corrugations.
[0092] The hydrophobic corrosion-resistant layer 1 is a polytetrafluoroethylene layer, and the thickness of the hydrophobic corrosion-resistant layer 1 is 1.3mm.
[0093] The thickness of the graphite layer 2 is 1.0 mm.
[0094] T...
Embodiment 3
[0126] as attached figure 1 Shown:
[0127] An antifreeze type composite sewage pipe, comprising a pipe body, the pipe body including a PE layer 3 as a main body, a graphite layer 2 is arranged inside the PE layer 3, a hydrophobic and corrosion-resistant layer 1 is arranged inside the graphite layer 2, The outside of the PE layer 3 is provided with a temperature regulating layer 4, the outside of the temperature regulating layer 4 is provided with a thermal insulation layer 5, the external of the thermal insulation layer 5 is provided with a PVDF layer 6, and the external of the PVDF layer 6 is provided with an antifreeze layer 7. The inner wall of the pipe body is smooth, and the outer wall of the pipe body is provided with spiral corrugations.
[0128] The hydrophobic corrosion-resistant layer 1 is a polytetrafluoroethylene layer, and the thickness of the hydrophobic corrosion-resistant layer 1 is 1.4 mm.
[0129] The thickness of the graphite layer 2 is 1.2mm.
[0130] T...
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