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flue gas filter Applications

  • Filtration for Flue Gas Analysis and CEMS

    Three Steps of CEMS: 1st Step: Gas Sampling 2nd Step: Gas conditioning and treatment 3rd Step: Measurement/Calibration In first step, the function is to get sample gas and forward to 2nd step for treatment. During this step, it cannot block the probes and cannot result condensation of moisture. So a filter online back flushing should be equipped in this part. The filters to be used: 1, Filter is used to ensure the stability of system and reduce the maintenance 2, Filtration Grade: usually 2 or 3 micron 3, Temp. is around 0-180 deg C 4, Back flushing gas is heated, impulse flushing 5, Filter Material: Titanium Sintered, SS316L Sintered, PTFE sintered, Ceramic Membrane and so on 2nd Step Gas Treatment: #11;The coarse filters and the liquid particle filters The coarse and fine cartridge can filter the small particles in the gas and acid aerosol things to better protect the instruments. The micron can be 0.1micron, filtration rate can be up to 99.99%, two layers can be 99.9999%

    By Shanghai CMI Environmental Technology Co.,Ltd. based in Shanghai , CHINA.

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    Emission control & air dedusting for fuel oil boilers

    For PM emission control in high temperature exhaust streams, such as fuel oil boilers, usual dedusters such as bag filters are very maintenance demanding. Particularly, diesel and fuel particulates are very sticky and clog to filter elements, unless protection reagents are used. Flue gas cooling is also needed in front of the filter when temperatures are higher than 200 ºC. On the other hand, regular cyclones and multicyclones are frequently not able to reduce emissions to present emission limits.

    By Advanced Cyclone Systems, S. A. based in Porto, PORTUGAL.

  • Biomass Furnace Dust Filtration

    Application: PPS (Ryton) Filter Bags are widely used in coal-fired boilers, waste incinerators, coking furnaces, kiln furnaces,Biomass Furnace ,chemical dry process of flue gas cleaning processes, also using, carbon black, powder collection, pneumatic conveying, cement industry, and more. When due to chemical attack and hydrolysis causes, Aramid cannot be used, PPS (Ryton) Filter Bag can be substituted.

    By Zhejiang Grace Envirotech Co., Ltd based in XIAOSHAN, CHINA.

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    Emission control & air dedusting for steel and ferrous alloys

    teel and ferrous alloys production happens in industrial manufacturing processes which involve high temperature exhaust streams, often at more than 900 ºC. Typically, the gas flows into a gas conditioning tower to cool down to approximately 200 ºC, before entering into an ESP. These flue gases from steel or ferrous alloys kilns are also very maintenance demanding for bag filters and the very small size of the particles limit the use of usual dedusters such as regular cyclones and multicyclones as pre-separators. Bag filter failure is consequently a very common problem for clients in this industry. 

    Client`s needs include a very robust dedusting system, either serving as end-stage collector avoiding the need to cool down flue gases, or strongly minimizing the loads of aggressive material to bag filters. 

    By Advanced Cyclone Systems, S. A. based in Porto, PORTUGAL.

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    Industrial air pollution control for the chemical and petrochemical industry

    CTP systems can be found in every leading production company: thanks to the experience and the expertise developed in partnership with our customers for processes with inconsistent waste gas volumes; varying concentrations of organic components; gases contaminated with aerosols. CTP has installed systems for waste gas streams ranging from 1,000 to 200,000 Nm³/h. CTP supplies this industry with mainly catalytic systems, regenerative thermal oxidisers (RTO) and adsorbers. As the flue gases in this industry are often explosive mixtures, CTP systems have to be completed with special safety conduits and filters to help reduce hazards during continued operation.

  • Asphalt Mixing Smoke Filtration

    Nomex Filter Bags Application:    Nomex Filter Bags is mainly used in cement industry, asphalt industry, metallurgical industry,steel mill and tobacco industry for flue gas purification. Performance:    Nomex Filter Bags continuous operating temperatures is up to 200°c, instant service temperature is up to 240°c.     Nomex Filter Bags fire retardant performance is excellent,    Corrosion resistance and alkali resistance is good,    Excellent thermal stability, excellent abrasion resistance and flexural resistance. Hydrolysis resistance is poor, when SOx and vapor in flue gas or dew point is frequent, it would greatly reduce its service life.

    By Zhejiang Grace Envirotech Co., Ltd based in XIAOSHAN, CHINA.

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