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SINGLE SCREW EXTRUDER FOR PROCESSING LOW VISCOSITY PRE-CONDITIONED MATERIALS.
专利权人:
WENGER MANUFACTURING; INC.
发明人:
LAVON WENGER
申请号:
BRPI0814987
公开号:
BRPI0814987A2
申请日:
2008.12.24
申请国别(地区):
BR
年份:
2014
代理人:
摘要:
Improved single screw extruders systems (40) are provided including a single screw extruder (42, 92) as well as an upstream preconditioner (44). The extruders (42, 92) include a single, internal, elongated, helically flighted, axially rotatable screw assembly (52) having one or more improved screw sections (74, 74a, 76). The screw sections (74, 74a, 76) include specially configured flighting (86) wherein adjacent flighting portions (86a, 86b) have smoothly arcuate surfaces (88) extending between the respective flighting portion peripheries (90a, 90b). This flighting design provides smooth, substantially surge-free operation while increasing SME and cook values. The preferred preconditioner (44) has independently controlled mixing shafts (106, 108) allowing the shafts (106, 108) to be rotated at different rotational speeds and/or directions.
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来源网址:
http://www.ckcest.cn/home/
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