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Dehydration device and dehydration method for plastic film fragments

A technology of plastic film and dehydration device, which is applied in the direction of the device where the axial direction of the swirling flow can be reversed, plastic recycling, swirling flow device, etc., can solve the problems that cannot be used in large-scale industrial production, and achieve good dehydration effect and simple operation , Improve the effect of water removal rate

Active Publication Date: 2013-06-12
冯愚斌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This solution cannot be used for large-scale industrial production

Method used

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  • Dehydration device and dehydration method for plastic film fragments
  • Dehydration device and dehydration method for plastic film fragments
  • Dehydration device and dehydration method for plastic film fragments

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] see figure 1 , The dehydration device of the plastic film fragments of the present embodiment is mainly composed of a dehydration cylinder 8, an air supply pipe 6, a discharge pipe 10 and a feeding mechanism.

[0029] Referring to Fig. 2, the dehydration cylinder 8 is formed by bolting the upper circular section 8-1 and the lower conical section 8-2, wherein the circular section 8-1 is provided with a The air supply pipe 6 that the inner wall of circular section 8-1 is tangential, and forms air inlet 9 on the wall of circular section 8-1; The top (being the top of circular section 8-1) of dehydration cylinder 8 is provided with The end cover, the discharge pipe 10 is arranged coaxially with the circular section 8-1 and fixed on the end cover, the discharge pipe 10 passes through the end cover and extends downward into the circular section 8-1 , the lower port of which extends downward beyond the air inlet 9 . The lower end of the tapered section 8-2 is provided with a...

Embodiment 2

[0039] see Figure 7 , The difference between this embodiment and Embodiment 1 is that the groove structure is formed by a combination of strip structures 8-4 protruding outward on the cylinder wall.

[0040] Embodiments other than the above in this embodiment are the same as in Embodiment 1.

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Abstract

The invention discloses a dehydration device and a dehydration method for plastic film fragments. The dehydration device comprises a dehydration bucket. The dehydration bucket is composed of a circular section and a conical section in a connection mode, wherein the circular section is located on the upper portion of the dehydration bucket, the conical section is located on the lower portion of the dehydration bucket, an air supply pipe is arranged on the circular section, the air inletting direction of the air supply pipe is tangent with the inner wall of the circular section, and an air inlet is formed in the wall of the circular section. A material discharge pipe which is inserted inside the bucket is arranged at the top of the dehydration bucket. A lower port of the material discharge pipe extends downward to exceed the air inlet. The dehydration device for the plastic film fragments has the advantages of being good in dehydration effect, energy-saving, small in occupied space, efficient, applicable to large-scale industrial production, simple in operation, difficult to break due to the fact that moving parts are not arranged, and the like.

Description

technical field [0001] The invention relates to a device in the field of waste plastic recycling, in particular to a dehydration device and a dehydration method for plastic film fragments. Background technique [0002] In the field of waste film and plastic recycling, the waste plastic film is transported to the flotation channel for flotation after being crushed. The principle of flotation is: plastic film fragments flow with the liquid in the flotation channel. Impurities gradually settle to the bottom of the flow channel, while the thin film of small specific gravity floats on the surface of the liquid and continues to flow forward, thereby separating some of the heavy specific impurities. After the flotation, the plastic film fragments enter the dehydrator for dehydration. The existing dehydration principles of the plastic film fragments mainly include: (1) extrusion dehydration. Extrusion methods include spiral type and flat type, etc.; the moisture content of the outp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B04C5/00B04C5/081B04C5/12B29B17/00
CPCB04C5/081B04C5/04B01D45/16B29B17/00Y02W30/62
Inventor 冯愚斌
Owner 冯愚斌
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