A type of acrylic needle-punched felt dusting cloth bag, whose chemical name is polyacrylonitrile. It is made of felt through needle-punching method, and then treated with special water-repellent treatment to obtain acrylic moderate-temperature hydrolysis-resistant needle-punched filter felt.
Acrylic medium temperature filter bag is a key part in the operation of bag filter, usually cylindrical filter bag is suspended vertically in the dust collector. The fabric and design of the dust filter bag should strive for efficient filtering, easy dust peeling and durable effects. In pulse and air box pulse dust collectors, dust is attached to the outer surface of the dust bag. When the dust-containing gas passes through the dust collector, the dust is captured on the outer surface of the filter bag, and the clean gas enters the inside of the filter bag through the filter material. The cage inside the filter bag is used to support the filter bag and prevent the filter bag from collapsing. At the same time, it helps to remove and redistribute the dust cake.
Acrylic medium temperature filter bag is the key accessory to determine the efficiency and working temperature of the bag filter. The cost of replacing the filter bag is the main maintenance cost of the bag filter. Therefore, the working life of the filter bag is related to the operation status and cost of the filter. It is especially important to choose the right filter material and reasonable structure. The selection of filter materials should be based on the temperature, humidity and chemical characteristics of the gas; the size, weight, shape, peckability and dust concentration, filtration speed, dust removal method, discharge concentration and bag dust collector of the particulate material Institutional considerations and other factors. Under normal circumstances, needle-jet felt is used for the pulse-jet bag-type dust collector, and woven fabric is used for the reverse-chamber bag-type dust collector or mechanical vibration bag-type dust collector.
Acrylic needle punched felt filter bag has the chemical name of polyacrylonitrile. It is made of felt by needle punching with raw materials, and then treated with special water-repellent treatment to obtain acrylic moderate temperature anti-hydrolysis needle punched filter felt. Needle felt is made of acrylic woven fabric as the base fabric to enhance the vertical and horizontal strength. It has excellent chemical resistance and hydrolysis resistance, and is widely used in dust collection for waste incineration, asphalt, spray dryer, coal mill, power plant, etc., with the following characteristics:
1, continuous working temperature of 130 degrees, instantaneous does not exceed 140 degrees;
2. Good acid and alkali resistance, PH value is between 3-11;
3. Relative humidity is less than 30%, pay attention to oxidation
Post time: Dec-24-2019