baghouse Articles

  • It’s in the Baghouse

    The Lafarge Malogoszcz plant in Poland started up its new fabric filter in May 2005, with a revamped gas conditioning tower for clinker production line 2. The precalciner, kiln and raw mill are dedusted by a Scheuch EMC baghouse, which replaced the existing ESP. Scheuch participated in this project from engineering to start up, and it was completed in only eight months. The daily clinker capacity ...


    By Evonik Fibres GmbH

  • Ineffective cleaning in generic baghouses

    ABSTRACT: Background In a typical “generic” baghouse application, the cleaning is accomplished by back-flushing the filter with compressed air that travels through an orifice hole in a purge tube (blow pipe) and through a venturi. A typical generic cleaning system allows dust to be filtered at an air-to-cloth ratio of 5:1. That means for every 5 CFM of airflow, there is 1 square foot ...


    By Scientific Dust Collectors

  • Improving the cleaning cycle in baghouse collectors

    ABSTRACT: Background The reverse pulse jet baghouse has been around for over 45 years and the cleaning cycle has not changed very much since that time. The cleaning cycle is the most important part of the dust collector because it controls efficiency and media life. In a generic baghouse, the cleaning system is comprised of a blowpipe that is located typically approximately three inches above ...


    By Scientific Dust Collectors

  • Advantages of cleaning without a venturi in baghouse collectors

    ABSTRACT: Background The cleaning cycle is the most important part of the dust collector because it controls efficiency and media life. In order to clean a row of bags in a reverse pulse jet baghouse first the flow of filtered air must be momentarily stopped and then back flushed or “induce” air to knock the dust cake off the outside of the filter media. A venturi at the top of the ...


    By Scientific Dust Collectors

  • How To Avoid Dust Explosions In Your Baghouse

    A massive fire and explosion in the dust collection system of a New Hampshire wood pellet manufacturer demonstrates the need for adequate system design to prevent combustible dust explosions in general industry.  We recently published a news article on Environmental-Expert.com about OSHA’s enforcement actions concerning last year’s combustible dust fire and explosion at the ...


    By Baghouse.com

  • Optimizing Baghouse Performance in Waste-to- Energy Incinerator

    An end user with many years experience, operating3 different Municipal Waste Incineration plants, decided to build a new “state of the art” plant. After fully investigating the performance of different types of filter media, he decided upon GORE-TEX® membrane on GORE-TEX® felt, as he was convinced that is was the “best available ...


    By W. L. Gore & Associates

  • Surrette Battery Co. Replaces Baghouse with Whirl Wet Dust Collector for Pasting Operation.

    Surrette Battery Company Limited, Springhill, Nova Scotia is a leading lead-acid battery manufacturer, and Canada's only independent battery manufacturer. The battery company manufactures long-life, true 'deep cycle' battery systems for railroad, marine, industrial and renewable energy applications. Surrette Battery wanted a corrosion-free system that would withstand acid fumes from a paste mixer ...


    By Tri-Mer Corporation

  • Baghouse dust collector helps improve casting process one step at a time case study

    Cascade Dafo, Fernadale, Wash., designs and manufac- tures dynamic ankle and foot orthoses (orthotic braces) to help im- prove the mobility of children and adults with neuromuscular chal- lenges. In the past, the company used a cartridge dust collector to collect dust generated during the finishing step of a manual plaster-casting process. When the company auto- mated the casting process, it ...


    By Scientific Dust Collectors

  • How to Avoid Undersizing a Dust Collection System

    Baghouse manufacturers often recommend undersized systems to undercut others for your business. How can you avoid buying a undersized baghouse that won't work?  Dust collector OEMs constantly try to come in with bids lower than competitors. In an attempt to do so, some baghouse manufacturers offer undersized systems. One recent experince highlights the dangers of allowing manufacturers' ...


    By Baghouse.com

  • Minicipal Waste Incinerator Case History

    Low temperature plant operation had resulted in severe baghouse corrosion and constant dust blockages throughout the system. It was decided to raise the operational temperature of the incinerator and change the acid gas scrubbing agent from lime to sodium bicarbonate. However, the existing felt filter media could not cope with the change in acid gas scrubbing agent and “blinded” very rapidly ...


    By W. L. Gore & Associates

  • Horween Leather: Whirl / Wet Dust Collector Combines a High Efficiency Wet Dust Collection with Low Maintenance and Operating Costs.

    For leather fines and other lightweight, porous materials, dry collection has been thought to be preferable to wet because of the material’s buoyancy. Horween Leather Company challenged that assumption. Originally, two baghouse systems collected particulate, but problems arose with each baghouse. First, cold winter dryness caused high levels of static electricity. Resultant sparks in the ducts ...


    By Tri-Mer Corporation

  • Whirl/Wet Dust Collectors Preferred for Pharmaceutical Overspray Collection

    A major multi-national manufacturer of pharmaceuticals and vaccines chose Whirl Wet technology for a new pill coating operation. The aqueous-based sugar solution created heavy loadings of sticky overspray in the 3 micron range. This blinded the existing baghouses after just six batches despite the use of PTFE cartridges – (the best available option for baghouses used in this type of application.) ...


    By Tri-Mer Corporation

  • New Nozzle Technology “Cleaning More with Less”

    This technical paper will explain the new nozzle technology developed by Scientific Dust Collectors that allows high air-to-cloth ratio baghouses to use 80psig of compressed air instead of the industry standard 100psig.   The reverse pulse jet baghouse has been around for over 50 years and the cleaning cycle has not changed very much during that time. The cleaning cycle is the most important ...


    By Scientific Dust Collectors

  • Integrated maximum efficiency air pollution control system

    A major uranium refiner required an air pollution control system to control emissions from their hazardous incinerator. The presence of radioactive material demanded that outlet emissions approach non-detectable levels. Macrotek was contracted to design and supply the system. Advanced, cutting edge technology was used to design a system with the lowest possible emissions, which has been ...


    By Macrotek Inc.

  • Zero waste, Saudi Arabia

    The Saudi Iron & Steel Company (Hadeed) has a strong commitment to the environment. Hadeed's 3R waste management strategy – reuse, recycle, recover – includes recovering valuable metals, and re-using baghouse dust (from industrial air filters) in concrete cement. Harsco has a long track record of recovering valuable metals from steelmaking co-products, and in the same process ...


    By Harsco Metals & Minerals

  • Reduction in Airborne Dust and Cleaning Costs: Sale of Waste Limestone Dust - Blue Circle Southern Cement, Limestone Mine

    Background The Marulan South limestone mine is part of the Blue Circle Southern Cement company. It is situated on the edge of the Shoalhaven River gorge adjoining the Morton National Park 380 km south west of Sydney. The company supplies limestone to cement plants at Berrima and Maldon as well as the BHP steelworks at Port Kembla. The mine has a total production of three ...


  • Argueso & Co. Achieves 99% Efficiency for Particulate Emissions Using Whirl Wet

    M. Argüeso & Co. produces casting wax blends for the investment casting industry, wax products to stabilize parts during machining, and specialty wax blends for sculpture, jewelry and other uses.  M. Argueso moved from Mamaroneck, New York to Muskegon, Michigan in 2005, subjecting the facility to Michigan’s stringent air regulations. The company’s first priority was a system that would collect ...


    By Tri-Mer Corporation

  • High-Tech Filters

    The current economic situation of the cement industry creates sensitivity regarding off-times and process stability. More stringent air-pollution laws, especially when using waste-derived fuels, are drawing more attention to the off-gas cleaning facilities, usually bag filters. This article does not deal with electrostatic precipitators - as even they have well known disadvantages. By using more ...


    By Evonik Fibres GmbH

  • Advances in control of PM2.5 and PM2.5 precursors generated by the combustion of pulverised coal

    Particulate matter smaller than 2.5 mm in aerodynamic diametre (PM2.5) from coal-fired boilers is composed of directly emitted (primary) particles and particles formed from precursors (secondary particles). Technologies to reduce emissions of precursors to secondary PM2.5 emitted by coal-fired utility plants include wet and dry flue gas desulphurisation (FGD). Limestone forced ...


    By Inderscience Publishers

  • Vacuuming Wood Dust Can be Hazardous

    It’s well known that wood dust is highly combustible, but the practice of removing it with vacuum trucks can also be dangerous, because of the potential buildup of static electricity. WorkSafeBC has issued a bulletin stating that “static electricity discharges can ignite wood dust and therefore must be eliminated or adequately controlled during vacuuming.” When wood dust or ...


    By SafetySmart

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