Preparation method of MPVE corrugated pipe with high extrusion resistance and detection equipment
A testing equipment and bellows technology, applied in the direction of strength characteristics, using stable tension/pressure testing material strength, measuring devices, etc., can solve problems such as poor low-temperature brittleness of large-diameter sewage pipes, large amount of backfilling, road collapse, etc. , to achieve the effect of solving low temperature brittleness, high degree of automation and high strength
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[0055] The present invention will be specifically described below in conjunction with the accompanying drawings, such as Figure 1-10As shown, the preparation method of the MPVE corrugated pipe with high extrusion resistance includes the following operation steps: step S1, raw material preparation; step S2, raw material mixing; step S3, quantitative feeding; step S4, extrusion molding; step S5, Cooling and shaping; Step S6, pipe cutting; Step S7, extrusion detection; Step S8, packing and leaving the factory; Step S1: preparing the outer wall tube Raw materials: grafted polyethylene resin 35%-45%, polyvinyl chloride resin 40%-50% , Recycled material 3%-4%, fixed filler 6%-8%, stearic acid 3%-4%, desiccant 3%-6%, dark green mother 3%-5%, talcum powder 5%- 7%; raw materials for preparing inner wall pipe: grafted polyethylene resin 33%-47%, polyvinyl chloride resin 35%-45%, recycled material 3%-4%, fixed filler 6%-8%, stearic acid 3%-4%, desiccant 3%-6%, dark green mother 3%-5%, ...
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[0058] Example: The MPVE corrugated pipe with high extrusion resistance was produced according to the following steps, and its specific operation steps were as follows:
[0059] Step S1: Preparation of outer wall pipe Raw materials: grafted polyethylene resin 37%, polyvinyl chloride resin 40%, recycled material 3%-4%, fixed filler 6%-8%, stearic acid 3%-4% %, desiccant 3%-6%, dark green mother 3%-5%, talc 5%-7%; preparation of inner wall pipe raw materials: grafted polyethylene resin 35%, polyvinyl chloride resin accounted for 42%, back Material 3%-4%, fixed filler 6%-8%, stearic acid 3%-4%, desiccant 3%-6%, dark green mother 3%-5%, talcum powder 5%-7% ;
[0060] Step S2: mixing the raw materials of the outer wall pipe and the raw materials of the inner wall pipe respectively, putting the raw materials prepared in step S1 into a double mixer for mixing, which is divided into two types: internal and external;
[0061] Step S3: Force feeding into the feeder regularly and quant...
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