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Several classification of dust filter bags and their respective characteristics

Dust filter bag can be divided into three types according to temperature resistance, room temperature dust filter bag, Medium temperature dust filter bag, high temperature dust filter bag, Ningxia Jinke summarizes the characteristics of each filter material.

I. Normal temperature dust filter bag

1, polyester needle felt----gram weight: 500; thickness: 1.8; working temperature: ≤130 °C; instantaneous temperature: 150 °C; acid resistance: excellent; alkali resistance: medium; suitable for steel, cement, coal mine and other occupations;

2, three anti-polyester needle felt----gram weight: 500; thickness :1.8; working temperature: ≤130°C; instantaneous temperature: 150°C; acid resistance: excellent; alkali resistance: good; suitable for pulverized coal injection in cement plant, cement plant, power plant coal handling system, etc.;

< p=""> 3, polyester anti-static----gram weight: 500; thickness: 1.8; working temperature: ≤ 130 ° C; instantaneous temperature: 150 ° C; acid resistance: good; alkali resistance: medium; suitable for flour mills, chemicals Coal mill dust collection system in factories, coal mines and cement plants;

4, water and oil proof----gram weight: 500; thickness: 1.8; working temperature: ≤130 °C; instantaneous temperature: 150 °C; Acid resistance: good; alkali resistance: good; suitable for cement plants, chemical plants, flour mills, woodworking furniture factories, etc.;

Second, medium temperature dust filter bags

1. Acrylic Needle felt----gram weight: 500; thickness: 2.1; working temperature: ≤160 °C; instantaneous temperature: 180 ° C; acid resistance: good; alkali resistance: good; suitable for waste combustion, asphalt, spray dryer, coal mill, power plant, etc.;

2, Fangster needle felt---- Gram weight: 500; Thickness: 1.8; Working temperature: ≤160°C; Instant temperature: 190°C; Acid resistance: Good; Alkali resistance: Good; Suitable for cement plant rotary head, tailings, asphalt mixing, blast furnace gas, Foundry, etc.;

2, 3, PTFE needle felt----gram weight: 750; thickness: 1.1; working temperature: ≤ 260 ° C; instantaneous temperature: 280 ° C; acid resistance: excellent; Alkali resistance: good; suitable for chemical, waste combustion, high temperature liquid filtration and other messy conditions;

4, PPS needle felt----gram weight: 500; thickness: 1.8; working temperature : ≤ 190 ° C; instantaneous temperature: 232 ° C; acid resistance: excellent; alkali resistance: excellent; suitable for filtering coal-fired boilers, waste burning furnaces, power plant fly ash dust collection treatment;

Third, high temperature dust filter bag

1, P84 needle felt----gram weight: 500; thickness: 2.3; working temperature: ≤ 260 ° C; instantaneous temperature: 280 ° C; acid resistance: excellent; Alkali resistance: medium; suitable for coal-fired boilers, liquid bed boilers, waste combustion, leaching Qingchang, cement plant, waste incinerator, etc.;

2, flumes----gram weight: 800; thickness: 2.0; working temperature: ≤280 °C; instantaneous temperature: 300 °C; Acid resistance: good; alkali resistance: good; suitable for steel, smelting, ferroalloy, chemical, cement, calcium carbide, waste combustion, electricity, asphalt mixing, etc.;

3, Metas---- Weight: 500; Thickness: 2.0; Working temperature: ≤204°C; Instantaneous temperature: 250°C; Acid resistance: Medium; Alkali resistance: Medium; Suitable for asphalt, cement, steel, non-ferrous metals, lime, dust, metallurgy, Plastic, carbon black, coke, tobacco and other occupations;

4, glass fiber needle felt----gram weight: 1000; thickness: 2.1; working temperature: ≤280 °C; instantaneous temperature: 300 °C Acid resistance: excellent; alkali resistance: excellent; suitable for high temperature flue gas occupations such as steel, metallurgy, carbon black, power generation, cement, chemical industry.

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