Vacuumizing device of double-screw extruder
A twin-screw extruder and vacuum device technology, which is applied in the field of twin-screw extruders, can solve problems such as poor vacuum extraction effect and affecting product quality, and achieve the effect of improving product quality and ensuring work efficiency
Pending Publication Date: 2018-02-16
ZHANGJIAGANG OTSUKA CHEM
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Abstract
The invention discloses a vacuumizing device of a double-screw extruder. The vacuumizing device comprises a vacuum extraction section located at the rear end of the double-screw extruder; a vacuum chamber is formed in the top of an extraction port of the vacuum extraction section; a first vacuumizing pipe is assembled at an extraction port of the vacuum chamber; and the outer wall of the first vacuumizing pipe is wrapped with a heating jacket. The vacuumizing device further comprises a vacuum pump and a vacuum tank; the outer wall of the vacuum tank is wrapped with a second heating jacket; a draining valve is arranged at the bottom of the vacuum tank; liquid is stored in the vacuum tank; and in the vacuum tank, a steel-wire screen is arranged above the liquid. The vacuumizing device has the advantages that the steel-wire screen in the vacuum tank can enable low-molecular weight substances to be agglomerated on the steel-wire screen instead of in the vacuum pump, and the low-molecular weight substances cannot be agglomerated on the first vacuumizing pipe or the vacuum tank due to the second heating jacket outside the vacuum tank and the heating jacket outside the first vacuumizing pipe, so that the working efficiency is ensured, and the product quality is improved.
Technology Topic
EngineeringVacuum tube +4
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PUM
Property | Measurement | Unit |
Thickness | 5.0 ~ 40.0 | cm |
Aperture | 0.5 ~ 10.0 | mm |
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