The key points to control the quality of PE pipeline for gas were discussed in this paper. The raw material, temperature, pressure, velocity of extrusion and so on were discussed.
本文讨论了确保聚乙烯燃气管材产品质量的要点，从原材料、挤出工艺温度控制、挤出压力控制、定型、挤出速度等多个方面进行了讨论。
With high quality shale as raw material, the products are extruded by hard plastic vacuum technology and sintered in tunnel kiln by fuel gas with stable high temperature.
产品采用优质页岩为原料，经硬塑真空挤压成型，在隧道窑中用燃气恒定高温烧结而成。
The calculated temperature, and flow fields as well as the composition of the raw gas at exit agree quite well with those observed in actual engineering cases.
得到了气化炉内的温度场、流场、浓度场以及出口粗煤气成分，其结果与工程实际相比非常接近；
The calculated temperature, and flow fields as well as the composition of the raw gas at exit agree quite well with those observed in actual engineering cases.
得到了气化炉内的温度场、流场、浓度场以及出口粗煤气成分，其结果与工程实际相比非常接近；
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