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Polyester pre-crystallizer

A pre-crystallizer and polyester technology, applied in lighting and heating equipment, drying, furnace types, etc., can solve the problem of unfavorable discharge of sliced ​​raw materials in the pre-crystallizer, and achieve the effect of avoiding raw material accumulation and improving efficiency.

Active Publication Date: 2016-05-25
JIANGSU BIG WELL MICRO FIBER MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a polyester pre-crystallizer to solve the defect that the previous pre-crystallizers are not conducive to the discharge of sliced ​​raw materials

Method used

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  • Polyester pre-crystallizer
  • Polyester pre-crystallizer

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Embodiment Construction

[0016] Such as figure 1 As shown, a polyester pre-crystallizer includes a drying box 1, a slice inlet 2 is arranged at the upper end of one side of the drying box 1, and a slice outlet 3 is provided at the lower end of the other side of the drying box 1, and the drying box 1 The bottom plate is made of a sieve plate 6, and the sieve holes 61 on the sieve plate 6 are inclined toward the outlet of the cutout.

[0017] The bottom of the drying box 1 is provided with a hot gas pipe for passing hot air into the drying box 1. Two pulse blowers 7 are arranged in the hot gas pipe. Consistent; a hot gas outlet 5 is arranged on the top of the drying box 1 .

[0018] The hot gas pipe includes a straight pipe section 41 and a tapered pipe section 42 , the straight pipe section 41 is connected to the bottom of the drying box 1 through the tapered pipe section 42 , and the pulse blower 7 is arranged in the inner chamber of the tapered pipe section 42 . The wind force provided by the pulse...

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Abstract

The invention discloses a polyester pre-crystallizer. The polyester pre-crystallizer comprises a drying box, wherein a chip inlet is formed in the upper end of one side of the drying box, a chip outlet is formed in the lower end of the other side of the drying box, a screen plate serves as a bottom plate of the drying box, meshes in the screen plate are inclined towards the side with the chip outlet, a hot gas pipe used for feeding hot gas to the drying box is arranged at the bottom of the drying box, a plurality of pulse fans are arranged in the hot gas pipe, the whole hot gas pipe is obliquely arranged, the direction of inclination of the hot gas pipe is consistent with the direction of inclination of the meshes, and a hot gas outlet is formed in the top of the drying box. By changing of the structure of the hot gas pipe and the structure of the meshes, the motion track of chip raw materials is changed when the chip raw materials are blown out, efficiency of the polyester pre-crystallizer is improved when the raw materials are discharged out, and the phenomenon that raw materials accumulate is avoided.

Description

technical field [0001] The invention relates to a polyester pre-crystallizer. Background technique [0002] Polyester slice raw materials need to be pre-crystallized before entering the extruder for extrusion. The main purpose of pre-crystallization treatment is to improve the softening point of the slices, remove moisture, separate the slice raw materials, and improve the subsequent extrusion time. It can make the material uniform. [0003] The traditional pre-crystallizer mainly has the following defects when pre-crystallizing slice raw materials; [0004] The sliced ​​raw materials in the drying box are mainly dried by the incoming hot air, and the impulse is provided by the pulse motor to discharge the raw materials from the slice outlet. Since the holes on the sieve plate in the drying box are vertically set in the past, when the pulse When the wind force provided by the motor blows out the sliced ​​raw materials, the sliced ​​raw materials can only move up and down, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B3/08F26B21/00
Inventor 张国龙
Owner JIANGSU BIG WELL MICRO FIBER MFG