袋式除尘用聚苯硫醚纤维的研究进展与展望

doi:10.13475/j.fzxb.20230702202

Abstract

Abstract:

Significance Polyphenylene sulfide (PPS) fiber serves as the main material for filter bags, a crucial core component of baghouse dust collectors. It is widely applied in the dust removal of high-temperature industrial flue gas, such as coal-fired boiler plants, municipal waste incineration plants, and power plants. With the increasingly stringent atmospheric emission standards in recent years, the mandatory implementation of ultra-clean flue gas emissions for certain industrial enterprises, as well as the application requirements for high performance, long service life, differentiated and multifunctional, there have been higher requirements for PPS fiber. However, to the best of our knowledge, no comprehensive overviews focused on the continuous development of PPS fibers for filter bag have been reported. For a more comprehensive understanding of the present development status of PPS fibers, this review provides a systematically investigation for the development history and current production capacity of it both domestically and internationally, the research progress and existing issues in the development of PPS fibers for baghouse dust removal. This paper aims to provide insights and guidance to promote the research, production, and application of differentiated functional PPS fiber for high-temperature dust removal in China.

Progress To meet practical application requirements, PPS fiber is developing towards finer and ultrafine deniers, profile fiber, and with antioxidant, catalytic and more functions. At present, the fineness of PPS ultrafine fibers can reach the micron or even nanometer level, and the fabrication methods mainly include melt-blown spinning, melt electrospinning, and sea-island melt spinning. Among them, melt-blown spinning is the most widely used method for the production of PPS ultrafine fibers due to its advantages of larger production output, shorter process, and lower cost. Although profiled PPS fibers include trilobal, Y-shaped, and split shapes currently, only trilobal PPS fibers are commercially available, with Japan's Toyobo being the sole manufacturer. The antioxidant modification of PPS fibers is aimed at addressing the problems of fiber fracture, mechanical strength degradation, and service life shortening of PPS filter when it is exposed to the gaseous components at high temperatures, and further enhance its structural stability in a harsh environment. Currently, the main approaches reported to improve the thermal and oxidation resistance of PPS fibers include surface film-forming method and direct addition method. The surface film-forming method refers to the surface treatment solution prepared by antioxidant, nanoparticle or high-performance resin dipping or spraying it on the surface of PPS fibers or nonwoven material to formulating an antioxidant protective layer. The direct method refers to melt spinning after blending the antioxidant, nanoparticle or high-performance resin with PPS resin directly. PPS-based filter bags with catalytic function are fabricated by loading catalysts such as manganese oxide (MnO₂, Mn₂O₃) and cerium oxide (CeO₂) to decorated PPS fibers or its needle-punching fibrous felts by using in-situ deposition, impregnation calcination and directed coating. It is aimed to achieve a novel integrated filtration material with compact structure and low cost that can provide both harmful gas purification and fine dust removal functions.

Conclusion and Prospect Study on key preparation technologies for differentiated and functional PPS fibers in China commenced relatively late. There are still some problems such as inadequate follow-up in fundamental research, imperfect and immature production processes, and poor product quality stability. Breakthrough in the key research areas and industrial production of differentiated functional PPS fibers such as fine/ultrafine deniers, profile, antioxidant, catalysis, is not only an urgent need for market applications, but also the requirements for the high-quality development of high-performance fiber during the "14th Five-Year Plan" period. Hence, to achieve independent production of differentiated functional PPS fibers, it is imperative for enterprises, universities, and research institutes to collaborate on fundamental raw materials, key equipment, production processes, and other aspects in a joint effort to overcome these challenges.

Key words: bag filter, polyphenylene sulfide fiber, ultrafine fiber, profiled fiber, antioxidantion, catalyze, filter bag material

CLC Number:

TQ342

HE Yujing, KANG Jianping, ZHAO Kunwei, HE Yong, LI Jiayi, TAN Xin. Research progress and future perspectives of polyphenylene sulfide fiber for bag filter[J].Journal of Textile Research, 2024, 45(10): 232-240.

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URL: http://www.fzxb.org.cn/EN/10.13475/j.fzxb.20230702202

http://www.fzxb.org.cn/EN/Y2024/V45/I10/232

Figures/Tables 6

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生产厂家	生产规模/ (t·a^-1)	纤维种类
日本东丽株式会社	4 000	PPS短纤、长丝
日本东洋纺株式会社	3 000	PPS短纤、长丝、异形纤维
美国纤维创新技术公司	1 000	PPS短纤
四川安费尔高分子材料科技有限公司	7 500	PPS短纤
苏州金泉新材料股份有限公司	3 000	纳米复合PPS短纤
浙江新和成股份有限公司	5 000	PPS短纤
敦煌西域特种新材股份有限公司	1 500	PPS短纤

Research progress and future perspectives of polyphenylene sulfide fiber for bag filter

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[5]	. Study on structure ,physical and chemical properties of fine-denier profiled fiber [J]. JOURNAL OF TEXTILE RESEARCH, 2015, 36(05): 7-12.
[6]	. Comparison of thermal stability and combustibility obetween PI and PPS needle punched fabrics [J]. JOURNAL OF TEXTILE RESEARCH, 2012, 33(12): 35-39.
[7]	. Preparation of porous hollow polyacrylonitrile ultrafine fibers by coaxial electrospinning [J]. JOURNAL OF TEXTILE RESEARCH, 2012, 33(11): 6-10.
[8]	. Structure and Properties of Poly(lactide-co-glycolide) Ultrafine Fibers Adjusted and Controlled By Multi-walled Carbon Nanotubes [J]. JOURNAL OF TEXTILE RESEARCH, 2011, 32(8): 7-11.
[9]	. Preparation and characterization of nylon6/TiO2 ultrafine fibers [J]. JOURNAL OF TEXTILE RESEARCH, 2010, 31(5): 6-9.
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[11]	ZHANG Xiaofei;YU Dengguang;ZHU Sijun;SHEN Xiaxia;Chris Branford-White;ZHU Limin. Investigation of electrospun acyclovir-loaded ultrafine fiber mats [J]. JOURNAL OF TEXTILE RESEARCH, 2009, 30(04): 1-4.
[12]	YANG Chongchang;FENG Jingming;HUANG Zuoying;WEI Rui;SUN Ruiyu;WANG Zhengli. Algorithm study of edge detection in profiled fibers cross-section measurement [J]. JOURNAL OF TEXTILE RESEARCH, 2008, 29(6): 11-14.
[13]	ZHANG Yi-ping;XU Rui-chao;CHEN Li-na. Effect of abnormal degree of fiber cross-section on the moisture-transfer and dry-fast properties of the fabric [J]. JOURNAL OF TEXTILE RESEARCH, 2006, 27(12): 70-73.