KR20030012087A - Recycling system for reuse of ammonia gas which generated from textile work - Google Patents

Recycling system for reuse of ammonia gas which generated from textile work Download PDF

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Publication number
KR20030012087A
KR20030012087A KR1020010045950A KR20010045950A KR20030012087A KR 20030012087 A KR20030012087 A KR 20030012087A KR 1020010045950 A KR1020010045950 A KR 1020010045950A KR 20010045950 A KR20010045950 A KR 20010045950A KR 20030012087 A KR20030012087 A KR 20030012087A
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South Korea
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ammonia
gas
fiber processing
processing chamber
ammonia gas
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KR1020010045950A
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Korean (ko)
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김원묵
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일성기계공업 주식회사
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Priority to KR1020010045950A priority Critical patent/KR20030012087A/en
Publication of KR20030012087A publication Critical patent/KR20030012087A/en

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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F13/00—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

PURPOSE: Provided is an installation system for reusing ammonia gas which adjusts lower pressure of a fiber processing chamber than atmosphere, thereby keeping operation stably. Also the system liquefies the ammonia gas by a freezing process, thereby being economical through reducing evaporation loss of the ammonia gas. CONSTITUTION: The installation system for reusing the ammonia gas is comprised of: the fiber processing chamber(1); a gas buffer(2) receiving ammonia from the fiber processing chamber and relieving pressure shock of the fiber processing chamber(1); a gas cooler(3) cooling the ammonia gas firstly; a compressor(4) increasing pressure of the ammonia gas to 2-3 atmospheric pressure; a gas quencher(5) cooling the compressed ammonia gas with cooling water; an ammonia condenser(6) cooling the transferred ammonia to liquefy; an ammonia-feeding tank(7) storing the liquefied ammonia and feeding the ammonia to the fiber processing chamber(1); and a freezer(8) which is connected with the ammonia condenser(6), lowering temperature of the ammonia by circulating a coolant.

Description

섬유가공시 발생되는 암모니아 가스의 재사용을 위한 설비시스템{RECYCLING SYSTEM FOR REUSE OF AMMONIA GAS WHICH GENERATED FROM TEXTILE WORK}Facility system for reuse of ammonia gas generated during textile processing {RECYCLING SYSTEM FOR REUSE OF AMMONIA GAS WHICH GENERATED FROM TEXTILE WORK}

본 발명은 섬유가공시 발생되는 암모니아 가스의 재사용을 위한 설비시스템에 관한 것으로, 더욱 상세하게는 대기압보다 낮게 운영되는 섬유가공기에 압력 충격을 최소화하면서 섬유가공기에서 배출되는 암모니아 가스를 압축, 냉각 및 액화시켜 액체 암모니아를 섬유가공기에 공급하여 재사용토록 하기 위한 것이다.The present invention relates to a plant system for the reuse of ammonia gas generated during fiber processing, and more particularly, to compress, cool and liquefy ammonia gas discharged from the fiber processing machine while minimizing pressure shock to the fiber processing machine operating below atmospheric pressure. To supply liquid ammonia to the fiber processor for reuse.

일반적으로 암모니아(NH3)는 비중이 0.6으로 가볍고 부식성과 침투성이 강하고 자극적인 냄새를 갖는 특성을 가지나 그 용도는 매우 다양한데 32%의 질소질을 보유하고 있어 요소비료의 주원료로 사용되고 소화제, 조미료, 제빵 등의 원료로도 이용되고 있다.In general, ammonia (NH 3 ) has a specific gravity of 0.6, is light, corrosive, permeable, and has an irritating odor, but its use is very diverse. It is also used as a raw material such as.

한편, 통상적으로 암모니아 대리점에서 구입하는 암모니아는 고압의 철제 암모니아 통속에 액체 암모니아 상태로 들어있으며 이 액체상태의 암모니아는 압력이 떨어지거나 공기와 접하게 되면 즉시 기체로 되어 암모니아 가스로 되는 바 1kg의 액체 암모니아는 상온(15℃)에서 1,410리터의 암모니아 가스를 발생시킨다.On the other hand, ammonia, which is usually purchased from an ammonia distributor, is in liquid ammonia in a high-pressure iron ammonia barrel. This liquid ammonia becomes a gas immediately when the pressure drops or comes into contact with air. Generates 1,410 liters of ammonia gas at room temperature (15 ° C).

상기와 같이 다양한 용도로 사용되는 암모니아는 또한 섬유가공에서도 사용되는 바 얀(yarn)같은 천연섬유의 경우는 섬유의 유연성, 방축성(防縮性), 내마모성 및 강도 등의 성질을 향상시키기 위하여 액체 암모니아로 가공처리하고 있는 실정이다.As described above, ammonia used for various purposes is also used in the fiber processing, in the case of natural fibers such as yarn (yarn) in order to improve the properties such as flexibility, shrinkage, wear resistance and strength of the liquid liquid ammonia It is currently being processed with.

이를 위하여 일반적으로 가공하고자 하는 섬유를 섬유가공처리실에서 액체 암모니아에 침적시킨 다음 암모니아의 성질을 이용하여 열을 가함으로서 암모니아 가스를 섬유로부터 기화시켜 제거시킨다. 이때 발생된 암모니아 가스가 상기 섬유가공처리실로부터 외부로 새어 나오는 것을 방지하기 위하여 섬유가공처리실의 압력을 대기압보다 약간 낮게 유지하고 있다.To this end, the fibers to be processed are generally deposited in liquid ammonia in a fiber processing chamber, and then ammonia gas is vaporized and removed from the fibers by applying heat using the properties of ammonia. At this time, in order to prevent the ammonia gas generated from leaking from the fiber processing chamber to the outside, the pressure in the fiber processing chamber is kept slightly lower than atmospheric pressure.

즉, 종래는 도 1에서 볼 수 있는 것처럼 섬유가공처리실(11)로 부터 배출되는 암모니아 가스를 액체 암모니아로 만들어 재사용하기 위하여 상기 섬유가공처리실(11)로부터 배출되는 암모니아 가스를 압축기(14)에서 10∼15기압의 고압으로 압축하고, 상기 압축된 암모니아 가스는 응축기(16)에서 일반 냉각수를 이용하여 냉각시켜 액화시키게 되며, 상기 응축기(16)와 공급탱크(17) 사이에는 감압밸브(19)를 부착하여 상기 액화되어진 암모니아를 감압, 팽창시켜 대기압, 마이너스(-) 30℃ 정도의 액체 암모니아를 얻는 설비로 구성되어 있다.That is, as shown in FIG. 1, the ammonia gas discharged from the fiber processing chamber 11 may be discharged from the fiber processing chamber 11 in order to reuse the ammonia gas discharged from the fiber processing chamber 11 into liquid ammonia. The compressed ammonia gas is liquefied by cooling with a general cooling water in the condenser 16, and a pressure reducing valve 19 is provided between the condenser 16 and the supply tank 17. It is composed of a device that obtains liquid ammonia at atmospheric pressure and negative (-) of about 30 ° C by decompressing and expanding the liquefied ammonia.

도면중 미설명 부호 12는 섬유 가공실의 압력에 충격을 주지 않도록 압력 완충 기능을 갖는 가스 완충기이고, 13은 냉각수로 암모니아 가스를 일차 냉각시키기 위한 가스 냉각기를 나타낸다.In the figure, reference numeral 12 denotes a gas buffer having a pressure buffer function so as not to impact the pressure in the fiber processing chamber, and 13 denotes a gas cooler for primary cooling of ammonia gas with cooling water.

그러나 상기한 종래 설비중 압축기(14)에서는 암모니아 가스의 이송압을 10∼15기압 이상 고압으로 압축하기 때문에 유독성 암모니아 가스가 장치 외부로 새어나올 위험을 내포하는 문제점이 있다.However, since the compressor 14 of the conventional equipment compresses the conveying pressure of the ammonia gas to a high pressure of 10 to 15 atmospheres or more, there is a problem in that a toxic ammonia gas leaks out of the apparatus.

또한, 고압 암모니아 가스와 접촉하는 부분은 암모니아 가스의 부식성 특성상 그 재질과 구조가 내식성을 가져야 하므로 고급재의 사용으로 인해 장치비가 많이 소요된다.In addition, the part in contact with the high-pressure ammonia gas has a high cost of equipment due to the use of high-quality materials because the material and structure of the ammonia gas should have corrosion resistance.

또한, 상기 섬유가공처리실은 대기압보다 낮게 유지하여야 하나 이러한 저압의 가스를 흡입하여 10기압 이상의 고압으로 압축하기 때문에 섬유가공처리실의 압력조절이 용이하지 않은 문제가 있다.In addition, the fiber processing chamber should be kept lower than atmospheric pressure, but there is a problem in that the pressure control of the fiber processing chamber is not easy because the low-pressure gas is sucked and compressed to a high pressure of 10 atm or more.

또한, 10기압 이상의 고압에서 액화된 액화 암모니아는 자체 온도가 40℃ 정도로 높아 대기압, - 30℃정도로 운전되는 섬유가공처리실에 도입시 급격한 증발이 일어나 섬유에 침적되지 않는 손실량이 매우 높아 비경제적인 문제점 등을 가지고있다.In addition, liquid ammonia liquefied at high pressure of 10 atm or higher has its own temperature of about 40 ° C., so it is suddenly evaporated when introduced into a fiber processing chamber operating at atmospheric pressure, -30 ° C. Have

본 발명은 상기한 바와 같은 종래 기술의 문제점들을 해결하기 위하여 창안된 것으로서 본 발명의 주 목적은 보다 안전하며 저가의 암모니아 가스 재사용 설비를 제공하려는데 있다.The present invention has been made to solve the problems of the prior art as described above, and the main object of the present invention is to provide a safer and cheaper ammonia gas reuse facility.

이러한 본 발명의 목적은, 암모니아 가스를 액화하는 원리를 압력을 높이는 원리에서 온도를 낮추는 원리로 바꿈으로서 즉, 압력은 암모니아 가스가 이송될 정도로 조금만 올리고 대신 냉동기를 사용하여 온도를 낮춤으로서 암모니아 가스를 쉽게 액화시키도록 하는 설비 시스템을 통해 이룰 수 있게된다.The object of the present invention is to change the principle of liquefying ammonia gas from the principle of increasing the pressure to the principle of lowering the temperature, that is, the pressure is raised to the extent that the ammonia gas is transported and the temperature is reduced by using a freezer instead. This can be achieved through a facility system that facilitates liquefaction.

도 1 은 종래 기술에 따른 설비시스템 개략도.1 is a schematic diagram of a plant system according to the prior art;

도 2 는 본발명에 따른 설비시스템 개략도.2 is a schematic diagram of a plant system according to the present invention;

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

1,11섬유가공처리실2,12가스완충기1,11 Textile Processing Room 2,12 Gas Shock Absorber

3,13가스냉각기4.14저압용압축기3,13 Gas Cooler 4.14 Low Pressure Compressor

5,15가스급냉기6,16암모니아응축기5,15 Gas-cooled chiller 6,16 Ammonia condenser

7,17암모니아공급탱크8.18냉동기7,17 Ammonia Supply Tank 8.18 Refrigerator

19감압밸브19 Pressure Reducing Valve

이하, 본 발명의 구체적인 실시예를 첨부도면을 참조하여 상세히 살펴보기로 한다.Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

먼저, 본 발명의 실시예에 따른 섬유가공기에서 배출되는 암모니아 가스의 재사용을 위한 설비를 첨부된 도면 도 2를 통해 살펴보면 다음과 같다.First, the equipment for reusing the ammonia gas discharged from the fiber processing machine according to the embodiment of the present invention will be described with reference to FIG. 2.

즉, 섬유가공처리실(1)로부터 암모니아를 받아 섬유가공처리실(1)의 압력충격을 완화시켜주는 가스완충기(2)와, 냉각수로 암모니아 가스를 1차 냉각시키는 가스냉각기(3)와, 암모니아 가스를 소정압력으로 높여 이송시킬 수 있는 저압용압축기(4)와, 상기에서 압축된 암모니아 가스를 냉수로 2차냉각시켜주는 가스급냉기(5)와 이송된 암모니아를 -20℃까지 냉각시켜 액화시킬 수 있는 암모니아 응축기(6)와, 상기 암모니아 응축기(6)에 냉매를 순환시킴으로서 암모니아와의 열교환 작용에 의해 암모니아 가스의 온도를 낮춰주는 냉동기(8)와, 액화 암모니아를 저장하고 필요할 때 섬유가공처리실(1)로 상기 액화 암모니아를 공급할 수 있는 암모니아 공급탱크(7)로 구성되었다.That is, a gas shock absorber 2 for receiving ammonia from the fiber processing chamber 1 to mitigate the pressure shock in the fiber processing chamber 1, a gas cooler 3 for primary cooling of the ammonia gas with cooling water, and ammonia gas. Low pressure compressor (4) capable of raising the feed to a predetermined pressure, the gas cooler (5) for secondary cooling the ammonia gas compressed above with cold water, and the ammonia transferred to liquefy by cooling to -20 ° C. Ammonia condenser (6), a freezer (8) for lowering the temperature of the ammonia gas by circulating a refrigerant through the ammonia condenser (6), and lowering the temperature of the ammonia gas by the heat exchange action with the ammonia; It consisted of the ammonia supply tank 7 which can supply the said liquefied ammonia to (1).

특히, 상기 저압용압축기(4)는 암모니아 가스의 압력을 2∼3기압으로 높여주는 저압용으로서, 만일 2기압 이하로 암모니아 가스의 압력을 가하는 경우에는 암모니아 가스의 이송을 위한 압력이 충분히 가해지지 않아 암모니아 가스의 이송이 원활히 이루어지지 않게되며, 3기압 이상의 고압이 가해지는 경우에는 암모니아 가스의 이송은 원활이 이루어지나 가스가 장치 밖으로 누출되어질 위험이 발생할 수 있다.In particular, the low pressure compressor (4) is for low pressure to increase the pressure of the ammonia gas to 2 to 3 atm, and if the pressure of the ammonia gas is applied below 2 atm, the pressure for transferring the ammonia gas is not sufficiently applied. Therefore, the ammonia gas is not smoothly transferred, and when a high pressure of 3 atm or more is applied, the ammonia gas is smoothly transferred, but there may be a risk of the gas leaking out of the device.

이와같은 구성을 이루는 본 발명의 설비 시스템은, 섬유가공처리실(1)로 부터 배출되어지는 암모니아 가스가 도 2에 나타낸 흐름을 따라 유동되어지면서 압축, 냉각, 액화되어 재사용되어지게 되는데, 이러한 설비동작이 이루어짐에 있어서 본 발명에서는 상기 섬유가공처리실(1)이 대기압보다 약간 낮게 운전되는 특성이 안정되게 유지되도록 이송 압력을 저기압 조건인 2∼3 기압으로 설계하였으며 2.2 기압 전후가 가스의 이송 및 가스누출 특성상 가장 바람직하였다.In the installation system of the present invention having such a configuration, the ammonia gas discharged from the fiber processing chamber 1 is compressed, cooled, liquefied and reused while flowing along the flow shown in FIG. In this invention, in the present invention, the fiber processing chamber 1 is designed to have a low pressure condition of 2 to 3 atm so that the characteristics of operating slightly lower than atmospheric pressure are maintained stably. Most preferred in terms of characteristics.

그리고, 암모니아 가스의 온도는 응축기(6)와 연결되어진 냉동기(8)에 의해 낮춰질 수 있게됨으로서, 최종적으로 섬유가공 처리실(1) 유입되어진 암모니아 가스의 급격한 증발이나 섬유에 침적되지 않는 손실량을 크게 줄일 수 있게되는 것이다.In addition, the temperature of the ammonia gas can be lowered by the freezer (8) connected to the condenser (6), so that the amount of ammonia gas that is finally introduced into the fiber processing chamber (1) is not suddenly evaporated or lost to the fiber. Will be reduced.

이상에서 살펴본 바와같은 본 발명은 다양하게 변형될 수 있고 여러 가지 형태를 취할 수 있으며 상기 발명의 상세한 설명에서는 그에 따른 특별한 실시예에 대해서만 기술하였다.As described above, the present invention may be variously modified and may take various forms, and only the specific embodiments thereof are described in the detailed description of the present invention.

그러나 본 발명은 상세한 설명에서 언급되는 특별한 형태로 한정되는 것이 아닌 것으로 이해되어야 하며, 오히려 첨부된 특허청구범위에 의해 정의되는 본 발명의 정신과 범위 내에 있는 모든 변형예를 포함하는 것으로 이해되어야 할 것이다.However, it is to be understood that the invention is not to be limited to the specific forms referred to in the description, but rather to include all modifications that fall within the spirit and scope of the invention as defined by the appended claims.

이상에서 살펴본 바와같은 본 발명의 설비시스템에 의하면, 섬유가공처리실의 압력이 대기압보다 약간 낮은 압력조건으로 간편하게 조절되므로 안정된 조업을 유지시켜 줄 수 있게된다.According to the installation system of the present invention as described above, since the pressure in the fiber processing chamber is easily adjusted to a pressure condition slightly lower than atmospheric pressure, it is possible to maintain stable operation.

또한, 냉동방식에 의해 암모니아 가스를 액화시켜 주므로 전체공정이 단위공정별로 독립적으로 운영되며, 운전이 간편하고 섬유가공처리실 내에서의 암모니아의 증발손실을 작게 해주어 매우 경제적인 시스템을 이룰 수 있게된다.In addition, since the ammonia gas is liquefied by the refrigeration method, the entire process is operated independently for each unit process, and it is easy to operate and reduces the evaporation loss of ammonia in the fiber processing chamber to achieve a very economical system.

또한, 본 발명의 설비는 저압공정이므로 위험성이 크게 감소되는 등의 효과를 가질 수 있는 매우 유익한 발명임이 명백하다.In addition, since the equipment of the present invention is a low pressure process, it is obvious that the invention is a very advantageous invention that can have the effect of greatly reducing the risk.

Claims (1)

섬유를 가공처리하고자 하는 섬유가공처리실(1), 상기 섬유가공처리실(1)로부터 섬유가공시 배출되는 암모니아를 받아 섬유가공처리실(1)의 압력충격을 완화시켜주는 가스완충기(2), 냉각수로 상기 암모니아 가스를 1차 냉각시키는 가스냉각기(3), 상기 암모니아 가스의 이송을 위해 압력을 상승시키는 압축기(4), 상기 이송된 암모니아를 냉각시켜 액화시킬 수 있는 암모니아 응축기(6), 상기 액화 암모니아를 저장하고 필요시 상기 섬유가공처리실(1)로 공급할 수 있는 암모니아 공급탱크(7)를 포함하는 암모니아 재사용 설비에 있어서:Fiber processing chamber (1) to process the fiber, gas buffer (2) to receive the ammonia discharged during the fiber processing from the fiber processing chamber (1) to alleviate the pressure shock of the fiber processing chamber (1), the cooling water A gas cooler (3) for primary cooling of the ammonia gas, a compressor (4) for raising the pressure for the transport of the ammonia gas, an ammonia condenser (6) for cooling and liquefying the transported ammonia, and the liquefied ammonia In an ammonia reuse facility comprising an ammonia supply tank (7) capable of storing and supplying to the fiber processing chamber (1) if necessary: 상기 압축기(4)는 암모니아 가스의 압력을 2∼3기압으로 높여줄 수 있는 저압용 압축기로 구성하고;The compressor (4) comprises a low pressure compressor capable of raising the pressure of ammonia gas to 2-3 atmospheres; 상기 압축기(4)와 응축기(6) 사이에는 압축된 암모니아 가스를 냉수로 냉각시켜주는 가스급냉기(5)가 구성되며;Between the compressor (4) and the condenser (6) is configured a gas cooler (5) for cooling the compressed ammonia gas with cold water; 상기 응축기(6)에는 냉매를 순환시킴에 따른 열교환 작용에 의해 암모니아의 온도를 낮추기 위한 냉동기(8)가 연결 구성되어진 것;The condenser 6 is configured to be connected to the refrigerator (8) for lowering the temperature of ammonia by the heat exchange action according to the circulation of the refrigerant; 을 특징으로 하는 섬유가공시 발생되는 암모니아 가스의 재사용을 위한 설비시스템.Facility system for the reuse of ammonia gas generated during fiber processing characterized in that.
KR1020010045950A 2001-07-30 2001-07-30 Recycling system for reuse of ammonia gas which generated from textile work KR20030012087A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074969A (en) * 1974-07-19 1978-02-21 Cluett, Peabody & Co., Inc. Process for recovery and reuse of ammonia in a liquid ammonia fabric treating system
US4854982A (en) * 1989-01-31 1989-08-08 The United States Of America As Represented By The Secretary Of The Army Method to dimilitarize extract, and recover ammonium perchlorate from composite propellants using liquid ammonia
JPH05279875A (en) * 1990-03-21 1993-10-26 Macdermid Inc Etching with alkaline ammonical etchant solution and device and method for reproducing the same etchant solution
JPH06157027A (en) * 1992-11-13 1994-06-03 Iwatani Internatl Corp Apparatus for recovery and liquefaction of gaseous ammonia
JPH06335688A (en) * 1993-05-27 1994-12-06 Mitsubishi Kakoki Kaisha Ltd Treatment of ammonia-containing water
JPH0995857A (en) * 1995-10-03 1997-04-08 Ube Ind Ltd Ammonia processing facility

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074969A (en) * 1974-07-19 1978-02-21 Cluett, Peabody & Co., Inc. Process for recovery and reuse of ammonia in a liquid ammonia fabric treating system
US4854982A (en) * 1989-01-31 1989-08-08 The United States Of America As Represented By The Secretary Of The Army Method to dimilitarize extract, and recover ammonium perchlorate from composite propellants using liquid ammonia
JPH05279875A (en) * 1990-03-21 1993-10-26 Macdermid Inc Etching with alkaline ammonical etchant solution and device and method for reproducing the same etchant solution
JPH06157027A (en) * 1992-11-13 1994-06-03 Iwatani Internatl Corp Apparatus for recovery and liquefaction of gaseous ammonia
JPH06335688A (en) * 1993-05-27 1994-12-06 Mitsubishi Kakoki Kaisha Ltd Treatment of ammonia-containing water
JPH0995857A (en) * 1995-10-03 1997-04-08 Ube Ind Ltd Ammonia processing facility

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