• Title/Summary/Keyword: Tenter Process

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Characteristics of Cyclone and Electric Dust Collection Oil Filters for Selective Removal of Fiber Tenter Air Pollutants (섬유 텐터 대기오염물질의 선택적 제거를 위한 싸이클론 및 전기 집진 오일필터의 특성)

  • Jin Ho Jung;Seung Hwan Ryu;Soon Duk Kwon;Yoon Hyun Cho
    • Textile Coloration and Finishing
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    • v.35 no.4
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    • pp.256-273
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    • 2023
  • Among the dyeing industries, the tenter process is a process that improves the quality of fibers by drying and ironing (heat treatment) dyed fabrics, and drugs such as water repellents, antistatic agents, and fiber softeners are mainly used in these tenter processes. These drugs are vaporized in the process of treatment by high temperatures (180 ~ 230℃), and are observed in a complex form such as white smoke, oil mist, and fine dust, causing odor. To treat the complex exhaust gas at the rear end of the tenter facility, most companies operate by installing a wet scrubber and an adsorption tower alone or in parallel, but there are many problems. In particular, the insoluble oil mist at the rear end of the tenter has significantly low processing efficiency in the cleaning dust collection facility, and there is a problem in the facility by adsorption due to the occlusion phenomenon caused by the oil mist. In addition, the odor gas at the rear end of the tenter contains a lot of aldehydes, and in order to improve these various problems, a complex exhaust purification device using cyclone and electric support collector was developed. This study examined the applicability of economical and efficient technology by removing complex air pollution at the rear end of the tenter and applying improved technology than the existing technology.

Full-scale EFC Study on Oil Recovery and Reuse from Discharge Gas of Tenter Facility in Textile Industry (Full-scale EFC (Electric Fume Collector)를 활용한 텐타공정 배출가스 정화 및 오일 회수)

  • Hwang, Yeal-Soon;Park, Hee-Jae;Chung, Gu-Hoi;Kim, Duk-Hyun;Na, Byung-Ki
    • Clean Technology
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    • v.17 no.3
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    • pp.259-265
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    • 2011
  • The textile industry is suffered from air pollution problems which must be resolved. In particular, white smoke and odor after the tenter process require abatement. The major air pollution problem in the textile industry occurs during the finishing stages, where various chemicals are used for coating the fabrics. Lubricating oils, plasticizers, and water repellent chemicals are the fabric treatment chemicals. The coated fabrics are cured by heating in tenter facility. In this process, most of air pollutants emitted into the air. White smoke is basically made up of tiny solid or liquid particles of VOCs less than one micron in size. The oil mist can be carried over long distance from their point of origin. The most effective method of removing odor from tenter process is to get rid of tiny oil mist at the emitted gas. For this reason, the full-scale EFC (Electric Fume Collector) of 700 CMM was tested for removing odorous substances emitted from tenter facility. As a result of this study, odor and white smoke can be eliminated effectively and quite large amounts of oil can be recovered.

Development of Weft Straightener Using Fabric Pattern Detection Algorithm and Performance Evaluation (원단 패턴 검출 알고리즘을 적용한 원단교정기 개발 및 성능평가)

  • Lee, Jae-Yong;Chung, Yun-Soo;Kim, Dae-Sub;Bae, Gyu-Hyun;Bae, Jae-Sung;Lee, Dae-Hee
    • Korean Journal of Computational Design and Engineering
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    • v.22 no.1
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    • pp.70-79
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    • 2017
  • Weft straightener is an important process to control the final quality of the fabrics. It is needed to calibrate the distorted weft after dyeing process. During various fabric treatment processes, the fabric is almost done with heat treatment through a tenter machine. At this time, weft distortion is occurred with uneven tension distribution. Traditionally, photo sensor is commonly used to detect the weft distortion but it is not applicable for special fabric types such as twill, mesh, combi, etc. In this paper, a new method for detecting the weft distortion using camera is introduced. A new weft straightener simulator is also developed to test the ability of the proposed method. It is shown that the method can be applied for various fabric types.

Low Carbonization Technology & Traceability for Sustainable Textile Materials (지속가능 섬유 소재 추적성과 저탄소화 공정)

  • Min-ki Choi;Won-jun Kim;Myoung-hee Shim
    • Fashion & Textile Research Journal
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    • v.25 no.6
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    • pp.673-689
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    • 2023
  • To realize the traceability of sustainable textile products, this study presents a low-carbon process through energy savings in the textile material manufacturing process. Traceability is becoming an important element of Life Cycle Assessment (LCA), which confirms the eco-friendliness of textile products as well as supply chain information. Textile products with complex manufacturing processes require traceability of each step of the process to calculate carbon emissions and power usage. Additionally, an understanding of the characteristics of the product planning-manufacturing-distribution process and an overall understanding of carbon emissions sources are required. Energy use in the textile material manufacturing stage produces the largest amount of carbon dioxide, and the amount of carbon emitted from processes such as dyeing, weaving and knitting can be calculated. Energy saving methods include efficiency improvement and energy recycling, and carbon dioxide emissions can be reduced through waste heat recovery, sensor-based smart systems, and replacement of old facilities. In the dyeing process, which uses a considerable amount of heat energy, LNG, steam can be saved by using "heat exchangers," "condensate management traps," and "tenter exhaust fan controllers." In weaving and knitting processes, which use a considerable amount of electrical energy, about 10- 20% of energy can be saved by using old compressors and motors.

Developing the Non-contact Detection Sensor for sensing Fiber Selvage (원단 변사 감지를 위한 비접촉식 원단 변사 검출 센서 개발)

  • Lee, Dae-Hee;Lee, Jae-Yong
    • Journal of IKEEE
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    • v.20 no.4
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    • pp.454-458
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    • 2016
  • Generally, fix the end of the fabric to pin with the fabric tenter process. At this time, the pin fixing part of the fiber fabric bulges and deforms. The deformation of the textile causes deterioration of the quality of the textile product. Detection of fiber fabric selvage portion is always required in the processing of the fabric. This research is a non-contact sensor for sensing fiber selvage. In this study, Developed a non-contact fabric selvage detecting sensor for use in automatic selvage cutting system. For the production of the fabric selvage detecting sensor prototype it was produced by placing thirty two sensor 2.5 mm interval. The selvage sensor system experimentally confirmed that actual selvage detection is possible.

Development of Hi-Quality Bedding Items by Multi-Finishing System of Pile Knitted Fabrics - Physical Properties of Textile according to Yarn Types - (파일 니트의 복합 후가공 기술에 의한 고품위 침장제품 개발에 관한 연구 - 원사 종류에 따른 원단의 물리적 특성 고찰을 중심으로 -)

  • Son, Eun Jong;Hwang, Young Gu;Park, Shin Woong;Choi, Yun Seon;Jeong, Sung Hoon
    • Textile Coloration and Finishing
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    • v.29 no.4
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    • pp.231-238
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    • 2017
  • There are many kinds of elements and processes for the development of high quality bedding products like fiber, high-temperature heat treatment, dyeing process, tenter drying with softening agent and multiple final finishing. Especially we examined the mechanical characteristic properties of fabrics according to different yarn types. The critical physical properties of the yarn consisting the pile knitted fabrics were obtained for the development of the hi-grade bedding items. The material property and the exhaustion behaviour of the developed pile knitted fabrics composing of different yarns were measured and observed. The physical properties of the developed fabric were evaluated through the material property analysis of the yarn, the physical nature of the pile knitted fabrics and the data of the exhaustion performance; tensile strength, tensile elongation, tearing strength, cross section of yarn types, dyeing properties etc. And then high-class of bedding items were knitted using the double raschel machine to make the pile knitted fabrics.