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Linear equidirectional parallel three-screw extruder

A three-screw, in-line technology, applied in the field of in-line co-directional parallel three-screw extruders, can solve the problems of large drying workshop area, difficult air discharge, large space occupation, etc., so as to reduce the workshop area and exhaust air. And the effect of improving the vacuuming capacity and increasing the production capacity

Pending Publication Date: 2021-01-15
BUHLER CHANGZHOU MASCH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The extruder has various functions, so it is widely used in the fields of feed, food, plastic and battery slurry. Existing extruders mostly use twin-screw extruders, and there is only one meshing zone in the mixing area. In order to strengthen the twin-screw extruder The mixing ability is usually solved by lengthening the length-to-diameter ratio of the screw, so the length-to-diameter ratio of the battery slurry twin-screw extruder reaches 44:1 or above. The extruder with a large length-to-diameter ratio takes up a lot of space and requires a large drying plant area. High consumption, low output, and limited by the exhaust capacity, the air inside the extruder is not easy to discharge, so a vacuum device must be installed in the next process

Method used

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  • Linear equidirectional parallel three-screw extruder
  • Linear equidirectional parallel three-screw extruder
  • Linear equidirectional parallel three-screw extruder

Examples

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Embodiment Construction

[0021] Such as Figure 1-Figure 2 As shown, a parallel three-screw extruder in the same direction includes a frame 1, a motor 2, a gear box 3 and a screw sleeve 4 arranged on the frame 1, and a screw sleeve 4 is arranged between the frame 1 and the screw sleeve 4. A support 11 is arranged to keep the overall machine stable. One end of the screw sleeve 4 is connected to the gear box 3, and the other end is connected to the cutting device 6. The gear box 3 is provided with a safety shield 31 for protecting the gear box 3. A screw assembly 41 is provided inside the screw sleeve 4, and the motor 2 drives the screw assembly 41 to rotate through the gear box 3; the output end of the screw is connected with a cutting device 6, and the screw sleeve 4 is also connected with a vacuum device 5 and a conditioner 8. The feeder 8 is connected with the feeder 7, and the feeder 7 feeds into the screw sleeve 4 through the conditioner 8. One end of the feeder 7 is provided with a feeding motor...

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Abstract

The invention provides a linear equidirectional parallel three-screw extruder which comprises a rack, a motor, a gear box and a screw sleeve arranged on the rack, wherein a screw assembly is arrangedin the screw sleeve and comprises three linear parallel screws, the adjacent screws are meshed with one another, the motor drives the three screws to rotate in the same direction through the gear box,each screw comprises a mandrel, a threaded conveying element and a threaded mixing element are arranged on each mandrel, the threaded conveying elements are arranged in a partitioned mode through thethreaded mixing elements. a cutting device is connected to the output ends of the screws, the thread sleeve is further in communication with a vacuumizing device and a conditioner, the conditioner isconnected with a feeder, and the feeder feeds materials into the thread sleeve through the conditioner. According to the three-screw extruder, the mixing performance and productivity of the existingextruder are improved, and the overall energy consumption is reduced.

Description

technical field [0001] The invention belongs to the technical field of extruders, and in particular relates to an inline co-rotating parallel three-screw extruder. Background technique [0002] The extruder has various functions, so it is widely used in the fields of feed, food, plastic and battery slurry. Existing extruders mostly use twin-screw extruders, and there is only one meshing zone in the mixing area. In order to strengthen the twin-screw extruder The mixing ability is usually solved by lengthening the length-to-diameter ratio of the screw, so the length-to-diameter ratio of the battery slurry twin-screw extruder reaches 44:1 or above. The extruder with a large length-to-diameter ratio takes up a lot of space and requires a large drying plant area. The consumption is high, the output is low, and the air in the extruder is not easy to be discharged due to the limitation of the exhaust capacity. The next process must be equipped with a vacuum device. Contents of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C48/425
CPCB29C48/425B29C48/0022
Inventor 谢剑波庄狄马亮袁建明熊先军王俊李翔
Owner BUHLER CHANGZHOU MASCH CO LTD
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