Preparation material and process for household marsh gas generator
A technology of biogas generator and polypropylene, applied in gas production bioreactors, waste fuels, etc., can solve the problems of long construction period, low production efficiency, leakage, etc., and achieve excellent thermal insulation performance, rapid production, and high biogas production rate effect
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[0010] Example: Preparation of Modified Polypropylene and Its Injection Molding
[0011] Weigh in parts by weight 100 parts of polypropylene, 15 parts of ultra-high molecular weight polyethylene, 25 parts of EVA, 15 parts of EPDM rubber (granular), 45 parts of ultrafine calcium carbonate, and 25 parts of ultrafine talc. Add to LDH mixer and mix for 20 minutes. The mixed material is added to the feeding hopper of the twin-screw extruder, and the extruder adopts segmental temperature control. The temperatures from the feeding section to the extrusion section are as follows: 150-160°C, 165-170°C, 170°C. ~180℃, 180~190℃, 195~205℃. After extrusion, it is drawn and cooled in a water tank, and then pelletized by a pelletizer for injection molding.
[0012] During injection molding, the temperature of the barrel is controlled from the feeding section to the nozzle section. ~120Mpa, the mold temperature is room temperature~50℃, and the molding cycle is 150 seconds.
[0013] The acc...
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