Efficient polyester staple fiber preheating device

Abstract

The utility model discloses an efficient polyester staple fiber preheating device in the field of polyester staple fiber processing, which comprises a preheating box, the preheating box comprises a horizontal upper box body and a horizontal lower box body, a vertical connecting box body is arranged between the rear ends of the upper box body and the lower box body, a vertical supporting assembly is arranged between the front ends of the upper box body and the lower box body, and the upper box body and the lower box body are connected through the vertical connecting box body. A feeding conveying belt is horizontally arranged in the upper box body, a discharging conveying belt is horizontally arranged in the lower box body, a first steam box is arranged at the position, below the feeding conveying belt, in the upper box body, a second steam box is arranged at the position, below the discharging conveying belt, in the lower box body, and a plurality of steam outlet holes are fully formed in the top of the first steam box and the top of the second steam box. And a plurality of through micropores are formed in the feeding conveying belt and the discharging conveying belt. According to the steam box, the preheating efficiency can be improved, the preheating effect is enhanced, the length of the steam box is reduced, the occupied area is smaller, and the space is saved.

Description

Technical Field

[0001] The utility model belongs to the field of polyester staple fiber processing, and particularly relates to a polyester staple fiber high-efficiency preheating device. Background Art

[0002] Polyester staple fiber is a fiber obtained by cutting polyester (i.e. polyethylene terephthalate, PET for short, which is polymerized from PTA and MEG) into a spun tow. In the prior art, during the production process of polyester staple fiber, the polyester staple fiber needs to be placed in a steam preheating box for preheating. Currently, the polyester staple fiber directly passes through the steam box, which has the following problems: the preheating efficiency and effect are poor, and the steam box is too long, occupying too much site area. Utility Model Content

[0003] The utility model aims to provide a polyester staple fiber high-efficiency preheating device, which can improve the preheating efficiency, enhance the preheating effect, reduce the length of the steam box, occupy a smaller site area, and save space.

[0004] The purpose of the utility model is achieved as follows: a high-efficiency preheating device for polyester staple fibers comprises a preheating box, the preheating box comprises a horizontal upper box body and a lower box body, a vertical connecting box body is provided between the rear ends of the upper box body and the lower box body, the upper box body is connected to the interior of the lower box body via the connecting box body, a vertical supporting assembly is provided between the front ends of the upper box body and the lower box body, a feed conveyor belt is horizontally provided in the upper box body, the front end of the feed conveyor belt extends out of the upper box body, a discharge conveyor belt is horizontally provided in the lower box body, the front end of the discharge conveyor belt extends out of the lower box body, a steam box 1 is provided in the upper box body below the feed conveyor belt, a steam box 2 is provided in the lower box body below the discharge conveyor belt, a plurality of steam outlet holes are provided on the tops of the steam box 1 and the steam box 2, and a plurality of penetrating micropores are provided on the feed conveyor belt and the discharge conveyor belt.

[0005] As a further improvement of the present invention, the support assembly includes a plurality of support columns that are evenly spaced along the width direction of the preheating box, and the upper and lower ends of the support columns are respectively fixed to the upper box body and the lower box body.

[0006] In order to prevent the short fiber materials from falling, the end of the discharge conveyor belt is located behind the end of the feed conveyor belt in the length direction, the width of the discharge conveyor belt is greater than the width of the feed conveyor belt, the two ends of the roller shaft of the end roller of the feed conveyor belt are respectively rotatably connected to the upper ends of the two left-right symmetrical inner pillars 1, the two ends of the roller shaft of the front roller of the feed conveyor belt are respectively rotatably connected to the upper ends of the two left-right symmetrical outer pillars 1, the two ends of the roller shaft of the end roller of the discharge conveyor belt are respectively rotatably connected to the upper ends of the two left-right symmetrical inner pillars 2, and the two ends of the roller shaft of the front roller of the discharge conveyor belt are respectively rotatably connected to the upper ends of the two left-right symmetrical outer pillars 2. The short fiber materials are transported to the rear by the feed conveyor belt and fall on the feed conveyor belt. The width of the discharge conveyor belt is wider to prevent the short fiber from falling. The short fiber is fully in contact with the hot steam during the process of being thrown down by the feed conveyor belt, thereby improving the preheating efficiency; the discharge conveyor belt sends the short fiber materials out of the preheating box.

[0007] As a further improvement of the utility model, the sides of the steam box 1 and the steam box 2 are both provided with inner connecting pipes, and the sides of the upper box body and the lower box body are both provided with an opening corresponding to the two inner connecting pipes. A summarizing box is provided corresponding to the preheating box, and two outer connecting pipes are provided inside the summarizing box. The two inner connecting pipes are respectively connected to the two outer connecting pipes through the two openings, and the outer connecting pipes are connected to the summarizing box. A steam inlet pipe is provided outside the summarizing box. Hot steam enters the summarizing box, and enters the steam box 1 and the steam box 2 respectively through the two outer connecting pipes and the inner connecting pipe. The hot steam rises upward through the steam outlet to preheat the short fiber material.

[0008] As a further improvement of the utility model, a plurality of supporting legs are provided on the lower sides of the steam box 1 and the steam box 2.

[0009] As a further improvement of the utility model, one end of the roller shaft of the front rollers of the feeding conveyor belt and the discharging conveyor belt is drivingly connected to the reduction motor. The reduction motor drives the conveyor belt to transmit through the roller.

[0010] As a further improvement of the present invention, the diameter of the through micropores is 0.5-0.8 mm.

[0011] The upper box and the lower box of the utility model are both provided with an inlet for the conveyor belt to enter. The hot steam enters the collecting box, and enters the steam box one and the steam box two respectively through two external connecting pipes and an internal connecting pipe. The hot steam rises upward through the steam outlet to preheat the short fiber material. The feed conveyor belt and the discharge conveyor belt are driven by two transmission rollers. The reduction motor drives the rollers located outside the preheating box to rotate. The short fiber material is transported to the rear through the feed conveyor belt and falls on the feed conveyor belt. The short fiber is fully contacted with the hot steam during the process of being thrown down by the feed conveyor belt, thereby improving the preheating efficiency. The discharge conveyor belt sends the short fiber material out of the preheating box. Compared with the prior art, the beneficial effects of the utility model are: the hot steam fully contacts the short fiber material during the process of rising, which can improve the preheating efficiency and enhance the preheating effect; the return material movement route is adopted to reduce the length of the steam box, occupy a smaller site area, and save space. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 This is a schematic diagram of the front structure of the preheating box.

[0014] Figure 3 A top view of the feed conveyor belt.

[0015] Among them, 1 is a preheating box, 1a is an upper box body, 1b is a lower box body, 1c is a connecting box body, 2 is a feeding conveyor belt, 3 is a discharging conveyor belt, 4 is a steam box one, 5 is a steam box two, 6 is a steam outlet, 7 is a penetrating micropore, 8 is a supporting column, 9 is an inner support one, 10 is an outer support one, 11 is an inner support two, 12 is an outer support two, 13 is an inner connecting pipe, 14 is a collecting box, 15 is an outer connecting pipe, 16 is a steam inlet pipe, 17 is a supporting foot, and 18 is a reduction motor. DETAILED DESCRIPTION

[0016] like Figure 1-3As shown, a polyester staple fiber high-efficiency preheating device includes a preheating box 1, which includes a horizontal upper box body 1a and a lower box body 1b. A vertical connecting box body 1c is provided between the rear ends of the upper box body 1a and the lower box body 1b. The upper box body 1a is connected to the interior of the lower box body 1b through the connecting box body 1c. A vertical supporting assembly is provided between the front ends of the upper box body 1a and the lower box body 1b. The supporting assembly includes a plurality of supporting columns 8 distributed at equal intervals along the width direction of the preheating box 1. The upper and lower ends of the supporting columns 8 are fixed to the upper box body 1a and the lower box body 1b respectively. A horizontal connecting box body 1c is provided in the upper box body 1a. There is a feed conveyor belt 2, the front end of the feed conveyor belt 2 extends out of the upper box body 1a, and a discharge conveyor belt 3 is horizontally arranged in the lower box body 1b, and the front end of the discharge conveyor belt 3 extends out of the lower box body 1b. A steam box 1 4 is arranged below the feed conveyor belt 2 in the upper box body 1a, and a steam box 2 5 is arranged below the discharge conveyor belt 3 in the lower box body 1b. A plurality of supporting legs 17 are arranged on the lower sides of the steam box 1 4 and the steam box 2 5; a plurality of steam outlet holes 6 are arranged on the tops of the steam box 1 4 and the steam box 2 5, and a plurality of through micropores 7 are arranged on the feed conveyor belt 2 and the discharge conveyor belt 3. The aperture of the through micropore 7 is 0.5-0.8mm.

[0017] In order to prevent the short fiber materials from falling, the end of the discharge conveyor belt 3 is located behind the end of the feed conveyor belt 2 in the length direction, the width of the discharge conveyor belt 3 is greater than the width of the feed conveyor belt 2, the two ends of the roller shaft of the end roller of the feed conveyor belt 2 are respectively rotatably connected to the upper ends of two left-right symmetrical inner pillars 9, the two ends of the roller shaft of the front roller of the feed conveyor belt 2 are respectively rotatably connected to the upper ends of two left-right symmetrical outer pillars 10, the two ends of the roller shaft of the end roller of the discharge conveyor belt 3 are respectively rotatably connected to the upper ends of two left-right symmetrical inner pillars 11, and the two ends of the roller shaft of the front roller of the discharge conveyor belt 3 are respectively rotatably connected to the upper ends of two left-right symmetrical outer pillars 12. One end of the roller shaft of the front rollers of the feed conveyor belt 2 and the discharge conveyor belt 3 is transmission-connected to the reduction motor 18. The reduction motor 18 drives the conveyor belt to transmit through the roller. The short fiber material is transported to the rear by the feed conveyor belt 2 and falls on the feed conveyor belt 2. The width of the discharge conveyor belt 3 is wider to prevent the short fiber from falling. The short fiber is fully in contact with the hot steam during being thrown down by the feed conveyor belt 2, thereby improving the preheating efficiency; the discharge conveyor belt 3 sends the short fiber material out of the preheating box 1.

[0018] The sides of the steam box 1 4 and the steam box 2 5 are both provided with inner connecting pipes 13, and the sides of the upper box body 1a and the lower box body 1b are both provided with an opening corresponding to the two inner connecting pipes 13. A collection box 14 is provided corresponding to the preheating box 1, and two outer connecting pipes 15 are provided inside the collection box 14. The two inner connecting pipes 13 are respectively connected to the two outer connecting pipes 15 through the two openings, and the outer connecting pipes 15 are connected to the collection box 14. A steam inlet pipe 16 is provided outside the collection box 14. The hot steam enters the collection box 14, and enters the steam box 1 4 and the steam box 2 5 respectively through the two outer connecting pipes 15 and the inner connecting pipe 13. The hot steam rises upward through the steam outlet 6 to preheat the short fiber material.

[0019] The upper box body 1a and the lower box body 1b of the utility model are both provided with an inlet for the conveyor belt to enter, and the hot steam enters the collecting box 14, and enters the steam box 1 4 and the steam box 2 5 respectively through two external connecting pipes 15 and the internal connecting pipe 13, and the hot steam rises upward through the steam outlet 6 to preheat the short fiber material; the feed conveyor belt 2 and the discharge conveyor belt 3 are driven by two transmission rollers, and the reduction motor 18 drives the rollers located outside the preheating box 1 to rotate, and the short fiber material is transported to the rear through the feed conveyor belt 2 and falls on the feed conveyor belt 2. The short fiber is fully contacted with the hot steam during the process of being thrown down by the feed conveyor belt 2, thereby improving the preheating efficiency, and the discharge conveyor belt 3 sends the short fiber material out of the preheating box 1. The advantages of the utility model are: the hot steam fully contacts the short fiber material during the process of rising, which can improve the preheating efficiency and enhance the preheating effect; the return material movement route is adopted to reduce the length of the steam box, occupy a smaller site area, and save space.

[0020] The present utility model is not limited to the above-mentioned embodiments. On the basis of the technical solution disclosed in the present utility model, technicians in this field can make some substitutions and deformations to some technical features therein according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the present utility model.

Claims

1. A polyester staple fiber high-efficiency preheating device, characterized in that: It comprises a preheating box, which comprises a horizontal upper box body and a lower box body, a vertical connecting box body is arranged between the rear ends of the upper box body and the lower box body, the upper box body is connected with the inside of the lower box body through the connecting box body, a vertical supporting assembly is arranged between the front ends of the upper box body and the lower box body, a feeding conveyor belt is arranged horizontally in the upper box body, and the front end of the feeding conveyor belt extends out of the upper box body, a discharging conveyor belt is arranged horizontally in the lower box body, and the front end of the discharging conveyor belt extends out of the lower box body, a steam box 1 is arranged in the upper box body below the feeding conveyor belt, a steam box 2 is arranged in the lower box body below the discharging conveyor belt, a plurality of steam outlet holes are arranged on the tops of the steam box 1 and the steam box 2, and a plurality of penetrating micropores are arranged on the feeding conveyor belt and the discharging conveyor belt.

2. A polyester staple fiber high-efficiency preheating device according to claim 1, characterized in that: The support assembly comprises a plurality of support columns which are evenly spaced and distributed along the width direction of the preheating box, and the upper and lower ends of the support columns are respectively fixed to the upper box body and the lower box body.

3. A polyester staple fiber high-efficiency preheating device according to claim 1 or 2, characterized in that: The end of the discharging conveyor belt is located behind the end of the feeding conveyor belt in the length direction, the width of the discharging conveyor belt is greater than that of the feeding conveyor belt, the two ends of the roller shaft of the end roller of the feeding conveyor belt are respectively rotatably connected to the upper ends of two left-right symmetrical inner pillars, the two ends of the roller shaft of the front roller of the feeding conveyor belt are respectively rotatably connected to the upper ends of two left-right symmetrical outer pillars, the two ends of the roller shaft of the end roller of the discharging conveyor belt are respectively rotatably connected to the upper ends of two left-right symmetrical inner pillars, and the two ends of the roller shaft of the front roller of the discharging conveyor belt are respectively rotatably connected to the upper ends of two left-right symmetrical outer pillars.

4. A polyester staple fiber high-efficiency preheating device according to claim 1 or 2, characterized in that: The sides of the steam box 1 and the steam box 2 are both provided with inner connecting pipes, and the sides of the upper box body and the lower box body are each provided with an opening corresponding to the two inner connecting pipes. A collecting box is provided corresponding to the preheating box, and two outer connecting pipes are provided on the inner side of the collecting box. The two inner connecting pipes are respectively connected to the two outer connecting pipes through the two openings, and the outer connecting pipe is connected to the collecting box. A steam inlet pipe is provided on the outer side of the collecting box.

5. A polyester staple fiber high-efficiency preheating device according to claim 1 or 2, characterized in that: A plurality of supporting legs are arranged on the lower sides of the steam box 1 and the steam box 2.

6. The polyester staple fiber high-efficiency preheating device according to claim 3, characterized in that: One end of the roller shaft of the front roller of the feeding conveyor belt and the discharging conveyor belt is drivingly connected to the reduction motor.

7. A polyester staple fiber high-efficiency preheating device according to claim 1 or 2, characterized in that: The diameter of the through micropores is 0.5-0.8 mm.

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