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Application of metal sintered filter element in high temperature dust removal
Common Types of Sintered Filter Elements
Sintered filters are primarily categorized by their base material and structure:
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By Material:
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Metal Sintered Filters: The most prevalent type.
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Stainless Steel (SS 304, 316, 316L): Excellent corrosion resistance, high strength, wide temp range. Most common.
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Bronze: Good corrosion resistance (non-acidic), lower cost than SS.
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Titanium: Excellent corrosion resistance, biocompatible, lightweight.
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Plastic Sintered Filters:
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Polyethylene (PE): Chemically resistant, economical, lower temperature limit.
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Polypropylene (PP): Higher temp than PE, good chemical resistance.
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PTFE (Teflon): Exceptional chemical inertness, hydrophobic, high temp.
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Ceramic Sintered Filters: Used for very high temperatures or extreme chemical environments (e.g., alumina, silicon carbide).
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Application fields:
Iron and steel mills : used for blast furnace gas purification and converter flue gas treatment to help achieve dust emission standards.
Cement plants : used in kiln tail flue gas dust removal systems to ensure dust control of production lines.
Thermal power plants : reduce pollutant emissions in the boiler flue gas dust removal process.
Petrochemicals : remove oil mist and organic waste gas in catalytic cracking units to prevent equipment corrosion.
Technical advantages:
High temperature resistance : can operate stably in high temperature environments of hundreds of degrees Celsius without the need for cooling equipment.
High-precision filtration : effectively intercept PM2.5 and even smaller particles, with a filtration accuracy of 2-200μm.
High mechanical strength : resistant to high pressure and wear, adaptable to complex industrial environments.
Corrosion resistance : resist acid, alkali and corrosive gases, and extend service life.
Performance characteristics
High-efficiency separation : a uniform pore structure is formed through the sintering process to achieve gas-solid separation.
Easy to clean: supports multiple maintenance methods such as backflow cleaning and ultrasonic cleaning to reduce operating costs.
Long life: strong dirt holding capacity, longer replacement cycle than ordinary filter materials.
