KR20160074921A - Method of neutralizing and washing bundle of aramid multi-filament - Google Patents

Method of neutralizing and washing bundle of aramid multi-filament Download PDF

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KR20160074921A
KR20160074921A KR1020140184158A KR20140184158A KR20160074921A KR 20160074921 A KR20160074921 A KR 20160074921A KR 1020140184158 A KR1020140184158 A KR 1020140184158A KR 20140184158 A KR20140184158 A KR 20140184158A KR 20160074921 A KR20160074921 A KR 20160074921A
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water
aqueous solution
alkaline aqueous
spraying
collected
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KR1020140184158A
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KR102022684B1 (en
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박태학
김대수
한인식
원종열
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코오롱인더스트리 주식회사
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

In the present invention, (i) an aramid multi-filament bundle (4) is neutralized by repeating, several times, a process of spraying an alkali aqueous solution to the aramid multi-filament bundle (4) which is moved along a conveyor (5) after being spun and solidified, collecting the sprayed alkali aqueous solution by suction, and circulating the collected alkali aqueous solution to another spraying nozzle; and then (ii) the aramid multi-filament bundle (4) is washed by repeating, several times, a process of spraying water to the aramid bundle moved along the conveyor after completing the neutralizing step, collecting the sprayed water by suction, and circulating the collected water to another spraying nozzle. The present invention minimizes amounts of neutralizing agents and water used at the steps of neutralizing and washing and can thereby significantly reduce costs of wastewater treatment, and in addition, can raise the total fineness of the aramid multi-filament, which can be neutralized and washed at once, up to a level of 50,000 deniers, thereby also improving productivity.

Description

아라미드 멀티필라멘트 번들의 중화 및 수세방법{Method of neutralizing and washing bundle of aramid multi-filament}[0001] The present invention relates to a method for neutralizing and washing bundles of aramid multifilaments,

본 발명은 아라미드 멀티필라멘트 번들의 중화 및 수세방법에 관한 것으로서, 구체적으로는 중화 및 수세공정의 진행속도가 빨라 생산성을 향상시킬 수 있으며 중화 및 수세공정에서의 중화제 및 물의 사용량을 최소화하여 폐수처리비용을 절감시킬 수 있는 아라미드 멀티필라멘트 번들의 중화 및 수세방법에 관한 것이다.The present invention relates to a neutralization and washing method of an aramid multifilament bundle, and more particularly, to a method for neutralization and washing of an aramid multifilament bundle, which is capable of improving the productivity due to rapid progress of the neutralization and washing process and minimizing the amount of neutralizing agent and water used in the neutralization and washing process, To a method for neutralizing and flushing an aramid multi-filament bundle.

이하, 본 발명에서 사용되는 "아라미드 멀티필라멘트 번들"이라는 용어는 여러개의 아라미드 멀티필라멘트가 모여 이루어진 하나의 다발을 의미하고, 상기 "아라미드 멀티필라멘트 번들"은 통상적으로 5,000데니어 이상의 총섬도를 가지며 절단공정 또는 분쇄공정을 거쳐 아라미드 스테이플 또는 아라미드 펄프를 제조하는 용도로 사용된다.
Hereinafter, the term "aramid multifilament bundle" as used in the present invention means a bundle including a plurality of aramid multifilament bundles. The "aramid multifilament bundle" generally has a total fineness of 5,000 denier or more, Or pulverizing process to produce aramid staple or aramid pulp.

방사공정 및 응고공정을 거친 아라미드 멀티필라멘트들이 하나의 다발형태로 모여 있는 아라미드 멀티필라멘트 번들을 중화 및 수세하는 종래방법으로는 방사 및 응고된 아라미드 멀티필라멘트 번들을 고속으로 회전하는 로울러에 감고 분사노즐을 이용하여 알칼리 수용액과 같은 중화액 및/또는 물을 상기 로울러에 감겨진 아라미드 멀티필라멘트 번들에 분사해 주는 방법이 사용되어 왔다.Conventional methods for neutralizing and washing aramid multifilament bundles, in which the aramid multifilament bundles that have been subjected to the spinning and coagulation processes are gathered in the form of a bundle, include spinning the aramid multifilament bundle that has been spinning and coagulating in a roller rotating at high speed, A method of spraying a neutralizing liquid such as an aqueous alkali solution and / or water onto the aramid multifilament bundle wound on the roller has been used.

그러나, 상기 종래방법은 사용된 중화액 및/또는 물을 수거하여 재사용하지 않기 때문에 물 및 중화액의 사용량이 많아져 폐수처리 비용이 증가하고, 상기 로울러에 너무 높은 부하가 걸리고, 한번에 중화 및 수세처리가 가능한 아라미드 멀티필라멘트의 총섬도가 25,000데니어 이하로 제한되어 생산성이 저하되는 문제가 발생되었다.
However, since the neutralizing solution and / or water used are not collected and used again, the amount of water and neutralizing solution used increases, and the cost of treating wastewater increases, and the load applied to the roller becomes too high. The total fineness of the treatable aramid multifilament is limited to 25,000 denier or less, which causes a problem that the productivity is lowered.

본 발명의 과제는 중화 및 수세공정에서의 중화제 및 물 사용량을 최소화함으로써 폐수처리 비용을 절감할 수 있으며, 한번에 중화 및 수세처리가 가능한 아라미드 멀티필라멘트의 총섬도를 50,000데니어 수준까지 올릴 수 있어서 생산성을 향상할 수 있는 아라미드 멀티필라멘트 번들의 중화 및 수세방법을 제공하는 것이다.
The object of the present invention is to minimize the amount of neutralizing agent and water used in the neutralization and washing process to reduce waste water treatment cost and to increase the total fineness of the aramid multifilament which can be neutralized and washed at once to 50,000 denier level, And to provide a method for neutralizing and flushing an aramid multifilament bundle which can improve the quality of the aramid multifilament bundle.

본 발명은 (ⅰ) 방사 및 응고 후에 컨베이어(5)를 따라 이동하는 아라미드 멀티필라멘트 번들(4)에 알칼리 수용액을 분사-분사된 알칼리 수용액을 셕션으로 수거-수거된 알칼리 수용액을 또 다른 분사노즐로 순환시켜주는 과정을 수차례 반복하여 아라미드 멀티필라멘트 번들(4)을 중화시킨 다음, (ⅱ) 상기 중화단계를 거친 후 컨베이어(5)를 따라 이동하는 아라미드 멀티필라멘트 번들(4)에 물 분사-분사된 물을 셕션으로 수거-수거된 물을 또 다른 분사노즐로 순환시켜 주는 과정을 수차례 반복하여 아라미드 멀티필라멘트 번들(4)을 수세한다.
(I) an alkali aqueous solution is collected by spraying an aqueous alkaline solution onto an aramid multifilament bundle (4) moving along the conveyor (5) after spinning and solidification, and the aqueous alkali solution is collected by another injection nozzle The aramid multifilament bundle 4 is repeatedly subjected to the circulation process several times to neutralize the aramid multifilament bundle 4 and then to the aramid multifilament bundle 4 moving along the conveyor 5 after the neutralization step, Collected water is collected by the sprayer. - The process of circulating the collected water to another spray nozzle is repeated several times to wash the aramid multifilament bundle (4).

본 발명은 중화 및 수세단계에서의 중화제 및 물의 사용량을 최소화 하므로써 폐수처리 비용을 획기적으로 절감할 수 있고, 한번에 중화 및 수세처리가 가능한 아라미드 멀티필라멘트의 총섬도를 50,000데니어 수준까지 올릴 수 있어서 생산성도 향상된다.
The present invention minimizes the amount of neutralizing agent and water used in the neutralization and washing step, thereby dramatically reducing the waste water treatment cost and increasing the total fineness of the aramid multifilament to 50,000 denier level, .

도 1은 본 발명의 공정개략도 이다.1 is a schematic process drawing of the present invention.

이하, 첨부한 도면 등을 통하여 본 발명을 상세하게 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

본 발명은 도 1에 도시된 바와 같이 먼저 방사 및 응고 후에 컨베이어(5)를 따라 이동하는 아라미드 멀티필라멘트 번들(4)에 알칼리 수용액 분사노즐(13)을 이용하여 알칼리 수용액을 분사한 후, 분사된 알칼리 수용액을 셕션기구(14)로 수거하여 알칼리 수용액 저장조(15)에 저장한 후, 알칼리 수용액 순환펌프(16)를 이용하여 알칼리 수용액 저장조(15)에 저장된 알칼리 수용액을 상기 알칼리 수용액 분사노즐(13) 보다 방사구금(1)과 가까운 방향에 인접하는 또 다른 알칼리 수용액 분사노즐(13')로 순환시켜 다시 분사하는 공정을 반복 실시한 후, 마지막으로 수거된 알칼리 수용액을 외부로 유출시켜주는 아라미드 멀티필라멘트 번들의 중화하는 공정을 실시한다.1, an alkaline aqueous solution is sprayed onto an aramid multifilament bundle 4 moving along a conveyor 5 after spinning and solidification, as shown in FIG. 1, The alkaline aqueous solution is collected by the action mechanism 14 and stored in the alkaline aqueous solution storage tank 15 and then the alkali aqueous solution stored in the alkaline aqueous solution storage tank 15 is discharged from the alkaline aqueous solution injection nozzle 13 ) Is repeatedly circulated to another alkaline aqueous solution spraying nozzle 13 'adjacent to the spinneret 1 in the direction closer to the spinneret 1, and then the aramid multifilament for discharging the finally collected alkali aqueous solution to the outside The bundling is neutralized.

중화단계에서는 알칼리 수용액의 분사, 분사된 알칼리 수용액의 수거 및 수거된 알칼리 수용액을 또 다른 알칼리 수용액 분사노즐로 순환시키는 과정을 2회 ~ 5회 반복실시하는 것이 바람직하다.In the neutralization step, it is preferable to repeat the process of spraying the alkaline aqueous solution, collecting the sprayed alkaline aqueous solution, and circulating the collected alkaline aqueous solution to another alkaline aqueous solution spray nozzle two to five times.

다음으로는, 상기 중화단계를 거친 후 컨베이어(5)를 따라 이동하는 아라미드 멀티필라멘트 번들(4)에 물 분사장치(7)를 이용하여 물을 분사한 후, 분사된 물을 셕션기구(8)로 수거하여 물 저장조(9)에 저장한 후, 물 순환펌프(10)를 이용하여 물 저장조(10)에 저장된 물을 상기 물 분사장치(7) 보다 방사구금(1)과 가까운 방향에 인접하는 또 다른 물 분사노즐(7')로 순환시켜 다시 분사하는 공정을 반복실시한 후 마지막으로 수거된 폐수를 외부로 유출시켜주는 아라미드 멀티필라멘트 번들의 수세하는 공정을 실시한다.Next, water is sprayed to the aramid multifilament bundle 4 moving along the conveyor 5 after the neutralization step by using the water injection device 7, Water stored in the water storage tank 10 is supplied to the water jetting apparatus 7 which is adjacent to the water jetting apparatus 7 in the direction close to the spinneret 1 by using the water circulation pump 10 The process of circulating the water to the other water spraying nozzle 7 'again and spraying the same again is repeated, and finally the washing process of the aramid multifilament bundle for discharging the collected wastewater to the outside is performed.

수세단계에서는 물의 분사, 분사된 물의 수거 및 수거된 물을 또 다른 물 분사노즐로 순환시키는 과정을 2회 ~ 10회 반복실시하는 것이 바람직하다.In the washing step, it is preferable to repeat the spraying of water, the collection of the sprayed water, and the circulation of the collected water to another water spray nozzle two to ten times.

수세단계에서 첫번째 물 분사장치(13)로 분사되는 물로는 순수를 사용하는 것이 수세효과 개선에 바람직하다.It is preferable to use pure water as the water jetted to the first water injection device 13 in the water washing step for improving the flushing effect.

본 발명은 중화 및 수세단계에서의 중화제 및 물의 사용량을 최소화 하므로써 폐수처리 비용을 획기적으로 절감할 수 있고, 한번에 중화 및 수세처리가 가능한 아라미드 멀티필라멘트의 총섬도를 50,000데니어 수준까지 올릴 수 있어서 생산성도 향상된다.
The present invention minimizes the amount of neutralizing agent and water used in the neutralization and washing step, thereby dramatically reducing the waste water treatment cost and increasing the total fineness of the aramid multifilament to 50,000 denier level, .

Z1 : 수세영역 Z2 : 중화영역
1 : 방사구금 2 : 응고욕조
3 : 응고튜브 4 : 아라미드 멀티필라멘트 번들
5 : 컨베이어 6 : 물 공급관
7,7' : 물 분사노즐 8 : 물 셕션기구
9 : 수거된 물 저장조 10 : 물 순환펌프
11 : 물 배출관 12 : 알칼리수용액 공급관
13, 13' : 알칼리수용액 분사노즐
14 : 알칼리 수용액 셕션기구
15 : 수거된 알칼리 수용액 저장조
16 : 알칼리 수용액 순환펌프
17 : 알칼리 수용액 배출관 Z1: Washing zone Z2: Neutralizing zone
1: spinneret 2: coagulation bath
3: coagulation tube 4: aramid multifilament bundle
5: Conveyor 6: Water supply pipe
7,7 ': Water injection nozzle 8: Water injection mechanism
9: Collected water storage tank 10: Water circulation pump
11: water discharge pipe 12: alkaline aqueous solution supply pipe
13, 13 ': Alkali aqueous solution injection nozzle
14: Alkaline aqueous solution action device
15: Alkaline aqueous solution storage tank
16: Alkaline aqueous circulation pump
17: Alkaline aqueous solution outlet pipe

Claims (4)

(ⅰ) 방사 및 응고 후에 컨베이어(5)를 따라 이동하는 아라미드 멀티필라멘트 번들(4)에 알칼리 수용액 분사노즐(13)을 이용하여 알칼리 수용액을 분사한 후, 분사된 알칼리 수용액을 셕션기구(14)로 수거하여 알칼리 수용액 저장조(15)에 저장한 후, 알칼리 수용액 순환펌프(16)를 이용하여 알칼리 수용액 저장조(15)에 저장된 알칼리 수용액을 상기 알칼리 수용액 분사노즐(13) 보다 방사구금(1)과 가까운 방향에 인접하는 또 다른 알칼리 수용액 분사노즐(13')로 순환시켜 다시 분사하는 공정을 반복 실시한 후, 마지막으로 수거된 알칼리 수용액을 외부로 유출시켜주는 아라미드 멀티필라멘트 번들의 중화단계; 및
(ⅱ) 상기 중화단계를 거친 후 컨베이어(5)를 따라 이동하는 아라미드 멀티필라멘트 번들(4)에 물 분사장치(7)를 이용하여 물을 분사한 후, 분사된 물을 셕션기구(8)로 수거하여 물 저장조(9)에 저장한 후, 물 순환펌프(10)를 이용하여 물 저장조(10)에 저장된 물을 상기 물 분사장치(7) 보다 방사구금(1)과 가까운 방향에 인접하는 또 다른 물 분사노즐(7')로 순환시켜 다시 분사하는 공정을 반복실시한 후 마지막으로 수거된 폐수를 외부로 유출시켜주는 아라미드 멀티필라멘트 번들의 수세단계를 포함하는 것을 특징으로 하는 아라미드 멀티필라멘트 번들의 중화 및 수세방법.(I) spraying an aqueous alkaline solution onto the aramid multifilament bundle 4 moving along the conveyor 5 after spinning and solidification using an alkaline aqueous solution spraying nozzle 13, and then spraying the sprayed alkaline aqueous solution onto a motion mechanism 14, Is stored in the alkaline aqueous solution storage tank 15 and then the alkaline aqueous solution stored in the alkaline aqueous solution storage tank 15 is supplied to the spinneret 1 from the alkaline aqueous solution injection nozzle 13 using the alkaline aqueous solution circulation pump 16 The neutralization step of the aramid multifilament bundle which repeats the process of circulating the same to another alkali aqueous solution spraying nozzle 13 'adjacent to the adjacent one in the near direction and then injecting again the finally collected alkali aqueous solution to the outside; And
(Ii) after the neutralization step, the aramid multifilament bundle 4 moving along the conveyor 5 is sprayed with water using the water spraying device 7, and then the sprayed water is discharged to the delivery mechanism 8 The water stored in the water storage tank 10 is discharged from the water jetting apparatus 7 in the direction close to the spinneret 1 by using the water circulation pump 10 after the water is collected and stored in the water storage tank 9, And then washing the aramid multifilament bundle by repeating the process of circulating the wastewater to another water spray nozzle (7 ') and spraying it again, and finally discharging the collected wastewater to the outside. And washing method. 제1항에 있어서, 중화단계에서는 알칼리 수용액의 분사, 분사된 알칼리 수용액의 수거 및 수거된 알칼리 수용액을 또 다른 알칼리 수용액 분사노즐로 순환시키는 과정을 2회 ~ 5회 반복실시 하는 것을 특징으로 하는 아라미드 멀티필라멘트 번들의 중화 및 수세방법.The method according to claim 1, wherein in the neutralization step, the step of spraying the alkaline aqueous solution, collecting the sprayed alkaline aqueous solution, and circulating the collected alkaline aqueous solution to another alkaline aqueous solution spraying nozzle is repeated 2 to 5 times. A method of neutralizing and flushing multifilament bundles. 제1항에 있어서, 수세단계에서는 물의 분사, 분사된 물의 수거 및 수거된 물을 또 다른 물 분사노즐로 순환시키는 과정을 2회 ~ 10회 반복실시 하는 것을 특징으로 하는 아라미드 멀티필라멘트 번들의 중화 및 수세방법.[2] The method of claim 1, wherein in the water washing step, water is sprayed, the sprayed water is collected, and the collected water is circulated to another water spray nozzle repeatedly twice to ten times to neutralize the aramid multifilament bundle. Washing method. 제1항에 있어서, 수세단계에서 첫번째로 분사되는 물은 순수인 것을 특징으로 하는 아라미드 멀티필라멘트 번들의 중화 및 수세방법.
The method of claim 1, wherein the first water injected in the water washing step is pure water.
KR1020140184158A 2014-12-19 2014-12-19 Method of neutralizing and washing bundle of aramid multi-filament KR102022684B1 (en)

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KR20170023297A (en) * 2015-08-20 2017-03-03 주식회사 휴비스 Aramid Paper Having Excellent Withstand Voltage and Method for Preparing the Same
KR20180079504A (en) * 2016-12-30 2018-07-11 주식회사 효성 Apparatus for washing and neutralizing para aramid filament
CN112575395A (en) * 2020-12-04 2021-03-30 四川辉腾科技股份有限公司 Heterocyclic aramid fiber solidification forming device and process thereof
KR20210138983A (en) * 2020-05-13 2021-11-22 주식회사 휴비스 Meta-Aramid Fibrid for High density nonwoven, and Method for Preparing the Same

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Publication number Priority date Publication date Assignee Title
KR20170023297A (en) * 2015-08-20 2017-03-03 주식회사 휴비스 Aramid Paper Having Excellent Withstand Voltage and Method for Preparing the Same
KR20180079504A (en) * 2016-12-30 2018-07-11 주식회사 효성 Apparatus for washing and neutralizing para aramid filament
KR101878786B1 (en) * 2016-12-30 2018-07-17 주식회사 효성 Apparatus for washing and neutralizing para aramid filament
KR20210138983A (en) * 2020-05-13 2021-11-22 주식회사 휴비스 Meta-Aramid Fibrid for High density nonwoven, and Method for Preparing the Same
CN112575395A (en) * 2020-12-04 2021-03-30 四川辉腾科技股份有限公司 Heterocyclic aramid fiber solidification forming device and process thereof
CN112575395B (en) * 2020-12-04 2021-09-03 四川辉腾科技股份有限公司 Heterocyclic aramid fiber solidification forming device and process thereof

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