The metal fiber dust filter bag is made of sintered metal fiber filter material with a diameter of micrometers as the raw material, and is processed by welding. Vacuum sintering into one body to form a net-like three-dimensional structure.

It has the characteristics of high porosity, large specific surface area, uniform pore size distribution, high dirt holding capacity, and high filtration accuracy. High temperature resistance, corrosion resistance, high efficiency, low emission concentration, low operating resistance, long life, renewable, energy-saving and other advantages, with excellent filtering performance, it is an extremely ideal high-temperature flue gas dust removal filter material, has been widely used in industrial smoke In the field of gas dust removal, especially in high temperature, strong corrosion and harsh working conditions such as chemical industry, metallurgy, building materials, electric power, petroleum, and new energy.

Filter bag material and scope of application:

When the operating temperature is less than 400℃, 304 and 316L materials can be selected, 304 materials have good temperature resistance, and 316L materials have better temperature resistance and better corrosion resistance;

When the operating temperature is 400-600℃, 310S and 314 materials can be selected, which have the ability to resist high temperature oxidation;

When the high temperature is greater than 600°C, iron-chromium-aluminum materials can be selected; other materials such as Hastelloy, nickel, etc. are available as required.

When the operating temperature is less than 400℃, 304 and 316L materials can be selected, 304 materials have good temperature resistance, and 316L materials have better temperature resistance and better corrosion resistance;

When the operating temperature is 400-600℃, 310S and 314 materials can be selected, which have the ability to resist high temperature oxidation;

When the high temperature is greater than 600°C, iron-chromium-aluminum materials can be selected; other materials such as Hastelloy, nickel, etc. are available as required.

Filter bag structure:

The metal fiber filter bag is made of pure metal fiber after non-woven paving and sintering. It adopts a gradient fiber layer structure. The dust-facing surface is ultra-fine fiber, and the back layer is a thick fiber layer. The fiber voids are in a horn trapezoidal structure, all of which are through holes. .

It can be used continuously at a high temperature of 350-800℃, and the filter accuracy can be 3μ-200μ, and the external dimensions can be processed according to user requirements.

Technical advantages:

High temperature resistance up to 1100℃, corrosion resistance, high strength, wear resistance, no perforation, no break;

The filtration accuracy is 1um, the dust removal and interception efficiency is high, which can meet the ultra-low emission requirements, and the particulate matter emission concentration is less than 5mg/Nm3;

Good air permeability, low resistance (filter material resistance <50Pa), low operating energy consumption, and high wind speed;

Easy to clean dust, online back-blowing and offline cleaning, long service life, good filter bag regeneration performance;

Recyclable and will not cause secondary pollution to the environment;

The processing wind speed is high, the floor area is small, and the space is saved;

The service life is long, and the product life can be as long as 3 to 5 years.

Application range:

The high-temperature flue gas dust collector with metal fiber filter bag as the core technology does not require forced cooling, directly purifies and removes dust, and can use the waste heat energy of flue gas, which solves the problem that other filter materials are easy to burn due to low temperature and high temperature. "After cooling, the temperature is too low, and other substances precipitate out and paste the bag, the performance of back-blowing regeneration is not good, the filtration capacity and efficiency are poor, the adhesion of the filter material is difficult to discharge, etc., including the filtration under high temperature conditions and anti-static accumulation and explosion-proof conditions. Difficulties can be used in the following industries.

Metallurgical industry: submerged arc furnace gas dust removal in industries such as ferroalloy, nickel-iron, silico-manganese, etc.;

Chemical industry: gas purification and filtration, chemical gas precision filtration, calcium carbide furnace gas dust removal, catalyst recovery, etc.;

Dust removal from flue gas in the waste incineration industry;

Ceramic industry: dust removal of alumina, high-titanium slag, glass furnace;

Dust removal of coal-fired boilers in thermal power plants

Dust removal from rotary kiln flue gas in cement industry.

Anhui Yuanchen Environmental Protection Technology Co., Ltd. (hereinafter referred to as "Yuanchen Technology") is a high-tech enterprise integrating the research and development, production and sales of dust collection bags and denitration catalysts. Product dust bag (mainly PPS, PTFE, P84 and composite series filter materials) and SCR denitration catalyst have been widely used in cement, steel, glass furnace, waste incineration power generation, biomass power generation, non-ferrous metal smelting and other industries! In the future, Yuanchen Technology will be guided by "becoming the guardian of the global ecological environment", always rooted in environmental protection, and adhere to the great cause of guarding the blue sky and white clouds. Leveraging on the overall pattern of national ecological civilization construction, we will continue to deepen technology, optimize management, strengthen brands, refine industries, solidify advantages, and create synergistic value for the industry through comprehensive overall management and services.