Metas Needle—punched Filtration Felt Bag at High Temperature

　　Metas Needle—punched Filtration Felt Bag at High Temperature

　　Metas is the generic name of Nomex produced by Dupont Company in the United States and Conex produced by Emperor Company in Japan. It is widely used in various high temperature flue gas filtration occasions, with excellent and reliable performance, and widely used in steel, electric power, asphalt mixing industry. The product adopts the optimized process, which improves the physical and chemical properties of the product and make the application more secure.

　　Weight: 500g/㎡

　　Material: Metas I Metas Substrate

　　Thickness: 2.2mm

　　Permeability: 17m³/㎡ min

　　Radial control force: > 800N/5 x 20cm

　　Latitudinal control force: > 1200N/5 x 20cm

　　Radial control force: <35%

　　Latitudinal control force: <55%

　　Usage temperature: 204°C

　　Post—treatment: singeing, calendering or Teflon coating

　　The filter bag is the key component to determine the dust removal efficiency and working temperature of the bag dust collector, and the cost of replacing the filter bag is the main maintenance cost of the bag dust collector. Therefore, the working life of the filter bag is related to the operation state and cost of the dust collector, so it is particularly important to select the appropriate filter material and design the reasonable structure.

　　The selection of filter material should be considered according to the temperature, humidity and chemical characteristics of the gas, the size, weight, shape, ponderability of particles, dust concentration, filtration speed, ash cleaning mode, emission concentration and the working system of bag dust collector. In general, the pulse spray bag filter uses needle felt, the chamber back blowing bag dust collector or the mechanical vibration bag filter selects the woven cloth.