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Four characteristics of the materials used in high-temperature-resistant air filters
Four characteristics of the materials used in high-temperature-resistant air filtersHigh-temperature air filters used in the curing process of organic silicone and inorganic glue are cured from the surface to the inside, the thicker the height of the glue injection, the more difficult to cure, under normal circumstances, the glue curing time is 3-7 days, if the high-temperature high-efficiency filters are not * cured directly loaded into the high-temperature equipment for normal use, will inevitably cause high-temperature adhesive cracking, expansion and glue out of the outer frame, and other phenomena; in response to the above problems, the special do the following two points To deal with the above problems, the following two solutions are made: high-temperature high-efficiency filters need to be used normally after 7 days.High-temperature air filter material has the following four characteristics: 1. At present, high-temperature flue gas filtration adopts the method of cooling and then dust removal. Generally, the high-temperature flue gas is cooled to below 250°C by the air cooler, but it still belongs to the high-temperature flue gas, which requires the use of high-temperature-resistant filtering materials, and the requirements for non-woven filtering materials are high. For cost and service life considerations, the temperature range of high-temperature resistant filter material is required to be above 200 ℃ but also required to have a continuous high-temperature resistant performance. 2, the filter material in high-temperature conditions needs to have a large enough mechanical strength, to help improve the stability of the filter material in production and use. General industrial high-temperature flue gas filtration material with fibers with high breaking strength, at least not less than 0.5 N / tex. high strength filter material by folding the filter material produced by the filter material has a strong impact resistance, increasing the effective filtration area, thereby improving its filtration performance, which has great practical significance. 3, with the development of science and technology and the continuous improvement of the level of industrialization, many specific industries and fields of high-temperature air filtration material functionality have also put forward high requirements. Multi-functional, efficient high-temperature air filtration materials are highly targeted, such as corrosion resistance, anti-static, flame retardant, anti-bacterial, and other functions for different occasions that require one or several functions. With the increasing demand and the expansion of application areas, high-temperature air filtration materials with a variety of different functions are an important direction of development in the future. 4, filter materials used in air filters, need to be folded into a pleated filter material with a zigzag surface. Pleated filter material has good air permeability, large filter area, dust capacity, and strong resistance to stretching and fracture. Most of the current pleated filter materials use surface-treated fiber filter materials and film filter materials. High-temperature-resistant filter material used in pleated filter material can give full play to its advantages and can improve the comprehensive performance of the filter. High-temperature air filters are used to protect high-temperature processes from harsh environments and maintain their integrity and calibrated performance at temperature. Typically used in the automotive, food and beverage, and pharmaceutical industries. |
