duct cleaning Articles

  • Clean air unplugged - Case study

    If you build it, industry will come.That’s the warm welcome ocean carriers and terminal operators are giving new clean air technology in operation at the Port of Los Angeles. The innovative diesel exhaust treatment system was recently approved as an alternative to shore power for container ships subject to California’s at-berth pollution control regulations. The ...

  • Vertical Flow Fume Scrubbers are Suitable for Chemical Producers, Metal Finishing, Semiconductor Manufacturing and Other Operations Generating Fumes and Gases.

    Tri-Mer fume hoods are manufactured for process and laboratory use. Tri-Mer fume hoods are ideally suited for corrosive or volatile exhausts. Construction materials include polypropylene, PVC, mild or stainless steel and high-alloy materials. Standard features include a low maintenance design, 110V power operation and minihelic exhaust gauge. Fume hoods can be equipped with activated carbon or ...


    By Tri-Mer Corporation

  • Fume control in large weld cells case study

    The Problem Tayco-Panelink is a Canadian based manufacturer of office furniture. Their customer base is worldwide. In 2001, DiversiTech installed a small fume extraction system which continues to do the job today. With this in mind, Tayco called on us to set up their new welding cell. Unfortunately, the welding fixtures were too large to accommodate a source capture system.   ...


    By Diversitech

  • Clearing the air on “free Air CFM” - Specs for portable duct cleaning vacuums

    Many times when researching equipment for duct cleaning vacuums you will find manufacturers posting the CFM suction ratings on their vacuums as “Free Air” or “bench Test”. The Free air test is the rating on the impeller wheel of the vacuum, simply put it is the maximum amount of airflow the impeller can produce with out any restriction. It seems as though many ...


    By Hypervac Technologies

  • A standard for users and manufacturers of thermal dispersion mass flow meters

    Thermal dispersion mass flowmeters comprise a family of instruments for the measurement of the total mass flow rate of a fluid, primarily gases, flowing through closed conduits. The operation of thermal dispersion mass flowmeters is attributed to L.V. King who. in 1914 (Ref. 1). published his famous King's Law revealing how a heated wire immersed in a fluid flow measures the mass velocity at a ...


    By Sierra Instruments, Inc.

  • Custom welding booth and downdraft tables remove fumes in learning center

    Monoxivent partnered with S.J. Smith Co. to provide custom welding booths and downdraft tables to remove toxic welding fumes.  S.J. Smith is a regional welding distributor that actively promotes the Monoxivent product line. An international manufacturer wanted to construct a welding school in their facility where current employees could learn new technologies, as well as update skills. The ...


    By Monoxivent

  • Technology white paper: immersible thermal dispersion

    Thermal dispersion mass flowmeters comprise a family of instruments for the measurement of the total mass flow rate of a fluid, primarily gases, flowing through closed conduits. The operation of thermal dispersion mass flowmeters is attributed to L.V. King who, in 1914 (Ref. 1). published his famous King's Law revealing how a heated wire immersed in a fluid flow measures the mass velocity at a ...


    By Sierra Instruments, Inc.

  • Safe House?

    A client who had lived in her house for more than ten years was concerned that her son who suffers from certain inflammation problems might be affected by poor air quality. Investigation: The home is a well maintained twenty year old two story house with a forced hot air heating system with same duct central air. The HVAC system incorporated a merv 6 air filter with an ultra violet ...


    By Healthy Air Cape Cod

  • DGTH Produktions GmbH Germany – case study

    OVERVIEW DGTH is a leading supplier of zinc die-casting components for the automotive industry. WATER SYSTEM CHALLENGES Cooling tower water is used for the cooling of the tools. As makeup water for the cooling tower circuit, DGTH uses a blend of city water with approx. 14° carbonate hardness and rain water. Due to the jellification in the ...

  • In-Situ Calibration - Methods & Pitfalls of Thermal Mass Flow Meter Sensor Field Validation

    Introduction Mid-to-large size facilities and campuses inevitably have hundreds of ¬ ow instruments to monitor, maintain, and repair. For a reliability engineer, ensuring that all instrumentation meets ISO 9000 or similar standards is a time-consuming responsibility. These standards mandate that precision instrumentation needs to be checked (validated) or recalibrated as often as once a ...


    By Sierra Instruments, Inc.

  • Pros & Cons of Remediation Structures with Chinese Drywall

    Mr. Mulholland addresses pros and cons of the four main approaches to remediation of structures with Defective (Chinese) Drywall. There are many methods or approaches to remediation practices in the construction industry. The current crisis with defective Chinese drywall that is diffusing low levels of sulfur compounds like hydrogen sulfide, carbonyl sulfide, carbon disulfide and others creates a ...

  • Madagascar nickel project water treatment supplied by aquatech

    The Facility Ambatovy, located in Madagascar, is a world-class, large tonnage nickel project that is positioned to be among the world’s biggest lateritic nickel mines. It is a life-long project with an annual design capacity of 60,000 metric tons of nickel and 5,600 metric tons of cobalt. The site is located approximately 50 miles east of the capital of Madagascar, Antananarivo, and ...

  • OM-1 Oil Mist Eliminators Collect Coolant Mists, Lubricant Mists, Smoke

    A major midwest metalworking facility uses 24 OM-1 Mist Eliminators to collect oil mists from over 200 sources, including grinding, dressing, CNC machining, lathes and heat treating operations.  OM-1's ability to accommodate smoke gives it an advantage over centrifugal-type oil mist collectors, which are not usable for smoke. Both soluble and non-soluble oils are used;  OM-1 collects ...

  • Advice from HVAC experts!

    HVAC systems (cooling and heating) can use 60-70% of the overall energy in your facility. Proper maintenance is one of the key recommendations for maintaining your system’s performance. To really help extend the life of your system, it could be something as simple as changing and cleaning the filters regularly. If you have a ...

  • Troubleshooting of Raymond Mill

    Common failure 1 Low yield or without flour  Reasons: (1) The powder lock has not been adjusted properly and the seal is not tight, which causes powder inversion. (2) The shovel knife is worn out and the material cannot be shoveled. Removal methods: (1) Check and adjust the seal of the powder locker, and find that the air leak should be shoveled. (2) Replace the new spade. Common failures 2 ...

  • TopAir`s Fume Hood

    TopAir, Statitech Israel’s flagship brand, manufactures a full line of superior cleanroom equipment including a reliable fume hood for neutralizing potential airborne chemical hazards in the laboratory. The fume hood mechanism offers maximum protection to laboratory staff working at a cleanroom table under the fume hood.   There are two basic types of fume hood. Many industries use a ...


    By TopAir Systems

  • Environmental incident response, North-East England

    Project Remediation Strategies were requested to attend a manufacturing facility in North-East England following an overnight fire at the site. Fire-fighting operations and the site sprinkler system had created a large volume of contaminated run-off together with widespread flooding across the shop floor area of the manufacturing facility. Productivity was stopped across the ...


    By Remediation Strategies Ltd.

  • Case study - Can coating

    Location: Minnesota Equipment: Catalytic Recuperative Oxidizer 18,000 scfm capacity (1995 vintage) Problem: Established Company Looking for Economical Replacement Oxidizer with ...


    By Kono Kogs, Inc.

  • Industrial furnace - US Government - Industrial furnace & thermal oxidizer with 2 heat exchangers

    The Problem The US Government had a need to decommission old bombs. They went to TVA, and TVA came to Epcon for a unique solution. There were 2 issues: Decontaminate the old shells What to do with the pollution In addition, because of the residual explosive charge in the bomb shells, it was imperative that the heating system was very safe, such ...


    By Epcon Industrial Systems, LP

  • Improve Slurry Pump Working Life

    Close suction valve before stopping slurry pump. Enough clean water should be supplied to pump all the slurry in pipeline out to avoid solid precipitated in the suction tube and volute line. Otherwise, there will be situations that ...

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