CN203818371U - High-shrinkage polyester chip drying system - Google Patents
High-shrinkage polyester chip drying system Download PDFInfo
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- CN203818371U CN203818371U CN201420213290.3U CN201420213290U CN203818371U CN 203818371 U CN203818371 U CN 203818371U CN 201420213290 U CN201420213290 U CN 201420213290U CN 203818371 U CN203818371 U CN 203818371U
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Abstract
The utility model discloses a high-shrinkage polyester chip drying system. The chip drying system comprises an impulse-type crystallization bed, a crystallization heater, a crystallization blower, a cyclone dust collector, a drying tower, a molecular sieve dryer, a pressure reducing valve, a drying heater, an air inlet pipe and an air outlet pipe, wherein the air inlet pipe is connected with the air outlet pipe through the molecular sieve dryer, the pressure reducing valve and the drying heater; the air outlet pipe is connected with an air inlet in the lower part of the drying tower; the impulse-type crystallization bed is positioned above the drying tower and communicated with the drying tower. The chip drying system further comprises an air compression pipe network, a steam jet pump and a buffering tank. The chip drying system has the beneficial effects that dried compressed air blown out of the air outlet pipe enters into the buffering tank from an air return pipe after being used for drying a chip in the drying tower; recycled air in the buffering tank is sucked into the molecular sieve dryer through the steam jet pump so as to be dried; dried airflow returns to the air outlet pipe and then enters the drying tower, so that the recycling is realized.
Description
Technical field
The utility model relates to a kind of drying system, especially a kind of Chip Drying System that is applicable to high retraction polyester chip.
Background technology
In spinning process, for fear of the section that contains moisture, in high-temperature fusion process, cause polymer macromolecule fracture, cause spinning end breakage rate high, the problems such as rear processing tensile property is poor, and product intensity is low therefore must reduce the moisture content of cutting into slices before spinning, also can improve in addition degree of crystallinity and the softening point of section, prevent section while entering screw extruder because its softening point is low, the screw rod that at high temperature bonds, causes " loops " resistance material phenomenon.Therefore,, in most of situation, before spinning, section must be through super-dry.
So-called high retraction polyester chip, mainly by adopting the method for chemical modification, in the polymer molecule that forms terylene, add copolymer component, to reduce large molecule inward turning activation energy, improve the high elastic deformation amount while stretching, reduce crystalline rate and degree of crystallinity, thus the shrinkage factor of fiber after raising spinning.Therefore high contraction section is exactly the direct material of high-shrinkage fibre, and so-called high-shrinkage fibre, the interior fiber that is generally 35%-45% by boiling water shrinkage of present stage industry becomes high-shrinkage fibre.
In the process at synthetic high-contraction polyester, added a high proportion of modification by copolymerization component, the regularity of strand is damaged, polymer crystallization degree is low, poor heat stability, fusing point skewness, thereby cause chip drying difficulty, drying equipment has been proposed to stricter requirement.For this reason, a kind of continuous drier of high retraction polyester chip is disclosed in Chinese patent ZL200810024817, comprise core apparatus and the attached pipe-line systems such as chip bunker, inlet valve, pre-crystallizer, drying tower, cyclone separator, its shortcoming is: the drying effect of the wind recycling after long-time use reduces, and does not have the effect of anticipation.
Owing to there being such problem, so be necessary prior art to improve.
Summary of the invention
The purpose of this utility model is that design in order to solve the deficiency of above-mentioned technology a kind of saves the energy, the Chip Drying System that is applicable to high retraction polyester chip that drying effect is good.
The Chip Drying System that is applicable to high retraction polyester chip that the utility model is designed, comprises that pulsed is crystallizing bed, crystallization heater, crystallization blower fan, cyclone dust collectors, drying tower, mole sieve drier, pressure-reducing valve, drying heater and blast pipe and discharge pipe; Described pulsed is crystallizing bed to be connected with crystallisation cycle pipeline, and described crystallization heater, crystallization blower fan and cyclone dust collectors are all arranged on crystallisation cycle pipeline, and described circulating line also has a blast pipe, and described blast pipe is provided with air bleeding valve; Described blast pipe connects discharge pipe by mole sieve drier, pressure-reducing valve, drying heater, and described discharge pipe connects the air inlet of drying tower bottom, and described pulsed is crystallizing bed to be positioned at drying tower top and to be attached thereto logical; Also comprise and press blank pipe net, steam jet pump and surge tank, the gas outlet on described blast pipe and drying tower top is all connected with surge tank by muffler, pressure blank pipe in described pressure blank pipe net connects the import of steam jet pump, the outlet of described steam jet pump connects described blast pipe, and the negative pressure mouth of described steam jet pump connects described surge tank; Described discharge pipe connects described crystallisation cycle pipeline by a secondary air channel; Described secondary air channel is provided with check valve and mends air-valve.
As preferably:
Described air bleeding valve and benefit air-valve are controlled by same the time relay.
The Chip Drying System that is applicable to high retraction polyester chip that the utility model is designed, its beneficial effect is: section is carried out crystallization pulsed is crystallizing bed, then entering drying tower is dried, drying tower connects discharge pipe and muffler, discharge pipe blows out after dry compressed air is dried the section in drying tower and enters surge tank from muffler, what enter surge tank is that humidity is compared greatly but the higher recyclable steam of temperature, in use procedure, steam jet pump import department enters after compressed air, negative pressure mouth produces negative pressure the recyclable steam in surge tank is sucked and deliver in mole sieve drier, recyclable steam enters drier after mixing with compressed air dry, the air-flow dry through mole sieve drier is heated again once through drying heater, guaranteed the drying property of air-flow, the air-flow being dried is got back to discharge pipe and is entered in drying tower, thereby reach, recycle, effective recovery waste heat.Discharge pipe is connected with pulsed is crystallizing bed by mending air-valve and secondary air channel, to supplement the air-flow of institute's loss in crystallization process, guarantees the normal operation of crystal system.Native system has reduced the waste of resource greatly, has reduced energy resource consumption simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the structural representation of embodiment 2.
In figure: pulsed is crystallizing bed 1, crystallization heater 2, crystallization blower fan 3, cyclone dust collectors 4, drying tower 5, mole sieve drier 6, pressure-reducing valve 7, drying heater 8, blast pipe 9, discharge pipe 10, crystallisation cycle pipeline 11, blast pipe 12, air bleeding valve 13, press blank pipe net 14, steam jet pump 15, surge tank 16, muffler 17, secondary air channel 18, check valve 19, mend air-valve 20, the time relay 21.
The specific embodiment
Below by embodiment, the utility model will be further described by reference to the accompanying drawings.
Embodiment 1:
As shown in Figure 1, the described Chip Drying System that is applicable to high retraction polyester chip of the present embodiment, comprises that pulsed is crystallizing bed 1, crystallization heater 2, crystallization blower fan 3, cyclone dust collectors 4, drying tower 5, mole sieve drier 6, pressure-reducing valve 7, drying heater 8 and blast pipe 9 and discharge pipe 10; Described pulsed crystallizing bed 1 is connected with crystallisation cycle pipeline 11, described crystallization heater 2, crystallization blower fan 3 and cyclone dust collectors 4 are all arranged on crystallisation cycle pipeline 11, described circulating line also has a blast pipe 12, and described blast pipe 12 is provided with air bleeding valve 13; Described blast pipe 9 connects discharge pipe 10 by mole sieve drier 6, pressure-reducing valve 7, drying heater 8, and described discharge pipe 10 connects the air inlet of drying tower 5 bottoms, and described pulsed crystallizing bed 1 is positioned at drying tower 5 tops and is attached thereto logical; Also comprise and press blank pipe net 14, steam jet pump 15 and surge tank 16, the gas outlet on described blast pipe 12 and drying tower 5 tops is all connected with surge tank 16 by muffler 17, pressure blank pipe in described pressure blank pipe net 14 connects the import of steam jet pump 15, the outlet of described steam jet pump 15 connects described blast pipe 9, and the negative pressure mouth of described steam jet pump 15 connects described surge tank 16; Described discharge pipe 10 connects described crystallisation cycle pipeline 11 by a secondary air channel 18; Described secondary air channel 18 is provided with check valve 19 and mends air-valve 20.
The described Chip Drying System that is applicable to high retraction polyester chip of the present embodiment, its beneficial effect is: section is carried out crystallization in pulsed crystallizing bed 1, then entering drying tower 5 is dried, drying tower 5 connects discharge pipe 10 and muffler 17, discharge pipe 10 blows out after dry compressed air is dried the section in drying tower 5 and enters surge tank 16 from muffler 17, gas recovery in surge tank 16 is drawn in mole sieve drier 6 and is dried through steam jet pump 15, what connect steam jet pump 15 presses blank pipe net 14 simultaneously in addition, can be to blowing into compressed air in mole sieve drier 6, the air-flow dry through mole sieve drier 6 is heated again once through drying heater 8, guaranteed the drying property of air-flow, the air-flow being dried is got back to discharge pipe 10 and is entered in drying tower 5, thereby reach, recycle.The wind blowing out from pulsed crystallizing bed 1 enters crystallization heater 2 through crystallisation cycle pipeline 11 and carries out heating and dehumidification, is blown into cyclone dust collectors 4 again by crystallization blower fan 3, and air-flow is recycled at crystal system; Discharge pipe 10 is connected with secondary air channel 18 and pulsed crystallizing bed 1 by mending air-valve 20, to supplement the air-flow of institute's loss in crystallization process, guarantees the normal operation of crystal system.
Embodiment 2:
As shown in Figure 2, the described Chip Drying System that is applicable to high retraction polyester chip of the present embodiment, as different from Example 1: described air bleeding valve 13 and benefit air-valve 20 are controlled by same the time relay 21.
The beneficial effect of the present embodiment is can, according to the loss situation of air-flow, and periodically control paired pulses formula crystallizing bed 1 by the time relay 21, mend wind in actual production.
Specific embodiment described herein is only to design of the present utility model explanation for example.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (2)
1. be applicable to a Chip Drying System for high retraction polyester chip, comprise pulsed crystallizing bed (1), crystallization heater (2), crystallization blower fan (3), cyclone dust collectors (4), drying tower (5), mole sieve drier (6), pressure-reducing valve (7), drying heater (8) and blast pipe (9) and discharge pipe (10); Described pulsed crystallizing bed (1) is connected with crystallisation cycle pipeline (11), described crystallization heater (2), crystallization blower fan (3) and cyclone dust collectors (4) are all arranged on crystallisation cycle pipeline (11), described circulating line also has a blast pipe (12), and described blast pipe (12) is provided with air bleeding valve (13); Described blast pipe (9) connects discharge pipe (10) by mole sieve drier (6), pressure-reducing valve (7), drying heater (8), described discharge pipe (10) connects the air inlet of drying tower (5) bottom, and described pulsed crystallizing bed (1) is positioned at drying tower (5) top and is attached thereto logical; It is characterized in that also comprising pressure blank pipe net (14), steam jet pump (15) and surge tank (16), described blast pipe (12) all passes through muffler (17) with the gas outlet on drying tower (5) top and is connected with surge tank (16), pressure blank pipe in described pressure blank pipe net (14) connects the import of steam jet pump (15), the outlet of described steam jet pump (15) connects described blast pipe (9), and the negative pressure mouth of described steam jet pump (15) connects described surge tank (16); Described discharge pipe (10) connects described crystallisation cycle pipeline (11) by a secondary air channel (18); Described secondary air channel (18) is provided with check valve (19) and mends air-valve (20).
2. the Chip Drying System that is applicable to high retraction polyester chip according to claim 1, is characterized in that described air bleeding valve (13) and mends air-valve (20) being controlled by same the time relay (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213290.3U CN203818371U (en) | 2014-04-28 | 2014-04-28 | High-shrinkage polyester chip drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213290.3U CN203818371U (en) | 2014-04-28 | 2014-04-28 | High-shrinkage polyester chip drying system |
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| Publication Number | Publication Date |
|---|---|
| CN203818371U true CN203818371U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420213290.3U Expired - Fee Related CN203818371U (en) | 2014-04-28 | 2014-04-28 | High-shrinkage polyester chip drying system |
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| CN (1) | CN203818371U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123545A (en) * | 2016-07-20 | 2016-11-16 | 山东永泰集团有限公司 | The drying system that the crystallization preheating of a kind of rubber for tire is filled |
| CN106182492A (en) * | 2016-07-20 | 2016-12-07 | 山东永泰集团有限公司 | Material preheater crystallizing and drying system prepared by a kind of tire with self-feeding dispensing |
| CN108179482A (en) * | 2017-12-29 | 2018-06-19 | 浙江联颖科技有限公司 | A kind of chemical fibre color silk production technology |
| CN113063265A (en) * | 2021-05-07 | 2021-07-02 | 张家港欣欣高纤股份有限公司 | Chemical fiber spinning slice drying process |
-
2014
- 2014-04-28 CN CN201420213290.3U patent/CN203818371U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123545A (en) * | 2016-07-20 | 2016-11-16 | 山东永泰集团有限公司 | The drying system that the crystallization preheating of a kind of rubber for tire is filled |
| CN106182492A (en) * | 2016-07-20 | 2016-12-07 | 山东永泰集团有限公司 | Material preheater crystallizing and drying system prepared by a kind of tire with self-feeding dispensing |
| CN108179482A (en) * | 2017-12-29 | 2018-06-19 | 浙江联颖科技有限公司 | A kind of chemical fibre color silk production technology |
| CN113063265A (en) * | 2021-05-07 | 2021-07-02 | 张家港欣欣高纤股份有限公司 | Chemical fiber spinning slice drying process |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20150428 |
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| EXPY | Termination of patent right or utility model |