Air Monitoring 33 Highly accurate and dependable thermal fl ow meter provides VIP treatment to
support green fuel cell energy in reducing carbon emissions Sophisticated fuel cell technology projects now rely on the precision ST80 Thermal Mass Flow Meters with Vortab (VIP) Flow Conditioners from Fluid Components International for accurate gas fl ow measurement to provide clean electric power while reducing or eliminating harmful emissions such as carbon, NOX and SOX that damage the environment. These advanced thermal mass fl ow meters coupled with tab-type fl ow conditioners are helping process and plant engineers support green fuel cell energy initiatives that produce electricity, hydrogen and water. The design and implementation of such projects also helps industrial plant owners benefi t from California’s Bioenergy Market Adjusting Tariff Program (BioMAT) for reselling excess electricity while allowing them to move closer to zero emissions at their sites.
In such fuel cell projects, the ST80 Flow Meter and VIP Flow Conditioner are installed for the monitoring of multiple fuel cell process applications: (1) fuel gas primary feed; (2) fuel gas pressure relief; (3) deoxidizer relief line fl ow; (4) cooling tower vent, anode exhaust gas; and (5) fresh air blower discharge fl ow. VIP fl ow conditioners are utilised upstream from the meters when less than ideal pipe straight-run conditions could impact overall measurement accuracy. Designed with FCI’s Adaptive Sensor Technology™ (AST™), the ST80 Flow Meter features an innovative, patented hybrid sensor drive. This measuring technique combines, for the fi rst time, both of the industry’s highly proven constant power (CP) and constant temperature (CT) thermal dispersion sensing technologies in the same instrument.
Beyond this breakthrough in measurement drive technology, there is a choice of four different fl ow sensor element designs to ensure best installed performance, including FCI’s newest wet gas solution. The Wet Gas MASSter™ sensor developed for the ST80 Series optimizes the sensor head design and installation to prevent condensation droplets, entrained moisture or rain from contacting the thermowells, which ensures steady, reliable measurement. Beyond the ST80 Flow Meter’s applications versatility, it is suitable for pipe diameters from 1 to 99 inches (25 to 2500 mm) and air/gas temperatures up to 850°F (454°C). They feature accuracy of ±1% of reading, ±0.5% of full scale and repeatability of ±0.5% of reading with fl ow rates as low as 0.25 up to 1000 SFPS (0.07 to 305 NMPS) and 100:1 turndown.
For user simplicity and fl exibility, this meter’s outputs and user interface choices are extensive and it interfaces with virtually any control system and/or set-up or confi guration devices. Standard outputs include dual, NAMUR NE43 compliant 4-20 mA analogue outputs, HART (version 7), Modbus 485 and a USB port (for interfacing with confi guration freeware). Foundation Fieldbus or PROFIBUS PA or DP can be optionally added. The optional backlit LCD display provides digital and bar graph readouts of the fl ow rate and temperature, totalised fl ow, alarms, diagnostics feedback and even a user defi ned label/tag fi eld. The rugged ST80 Flow Meter’s transmitter enclosure is NEMA 4X/IP67 rated, selectable for NPT or metric conduit port threading and is available in both aluminium and stainless steel. In hazardous areas, the transmitter can be remotely located up to 1000 feet (305 m) apart from the fl ow element. The instrument also carries global approvals for use in hazardous areas and a 3rd party evaluation that demonstrates compliance to IEC 61508.
The Vortab VIP Flow Conditioner neutralises fl ow profi le irregularities caused by elbows, valves, blowers, compressors, and other fl ow disturbances that commonly occur in piping and duct runs. The VIP provides a swirl-free, repeatable fl ow profi le that fl ow meters require for accurate measurement. The VIP is particularly effective with wide-turndown and/or low fl ow sensitive fl ow meter technologies (e.g. thermal dispersion) to provide a highly repeatable fl ow profi le during laminar, transitional and turbulent fl ow conditions.
A unique and cutting-edge approach to ambient air quality sampling
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DroneXperts’ have introduced AirDX, a drone-based ambient air quality sampling and measurement system that redefi nes the limits of traditional methods. The device that uses three standardised sampling methods at the same time is a world fi rst. DroneXperts and its renowned partners developed the technology to help as many organisations as possible reduce their environmental footprint through data collection.
In response to climate change and the need for innovation in clean technology, the DroneXperts team has created AirDX, a cutting-edge drone-based system for monitoring air quality in a new way. This ground-breaking tool characterises air pollutants through real-time sampling and measurement. The AirDX module is the most comprehensive drone-based ambient air sampling device on the market anywhere in the world. It continuously measures concentrations of air contaminants, including greenhouse gases. An integrated GPS georeferences the data it captures for viewing on a map. AirDX is for all major industries that need to measure their emissions from oil and gas distribution, engineered landfi lls, plant operations, environmental emergencies, and more. It can be used for site characterization, ambient air monitoring, and other purposes.
“Similar sampling systems that were developed previously use only one method,” said Guillaume Blackburn-Lewis, Sales Development Representative – Environmental Solutions at DroneXperts. “Our system adds two other methods that are currently not or only marginally commercialised on the drone
market. These three processes are recognised by the sampling industry worldwide, so the system can meet most needs. AirDX is a game changer for industries that must do this kind of analysis and that want to do their part for the environment.”
Years of research and development went into AirDX, leading to a product that is second to none. A number of international companies have already expressed interest in purchasing the system, which will hit the market soon. From Quebec City to Abu Dhabi to Angers, France, demand for this technology spawned in the Quebec City area is already strong. “Developing this type of product is not easy. You need to work with robotics, electrical engineering, and mechanical engineering experts; programmers; drone specialists; and environmental scientists,” said Mathieu Falardeau, Sales Director at DroneXperts. “This is one of the main reasons why the technology took so long to break into the global marketplace,” he added.
After meeting all the prerequisites for tackling the project, the DroneXperts team worked with many specialists in the fi eld under the leadership of Patrick Chatelle, Application Engineering Director and head of the Enviro-DX program.
The environment and the safety of companies and organisations are priorities for DroneXperts. Its Enviro-DX product line, including AirDX, offers solutions for a range of environmental issues. Enviro-DX products are designed primarily to help as many organisations as possible reduce their environmental footprint. The data AirDX gathers will help businesses and organisations better manage air quality through post-processing sample analysis. For all these reasons, Investissement Québec – Centre de recherche industrielle du Québec (IQ-CRIQ); Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (MELCCFP); and Centre d’expertise en analyse environnementale du Québec (CEAEQ) have contributed to developing this innovative tool to help sectors that pose signifi cant risks better control environmental, public health, and worker safety issues. “ We are proud to be a pioneer in drone-based technologies that help organisations adopt new environmentally responsible practices,” added Guillaume Blackburn-Lewis. “DroneXperts is all about putting innovation and research to work for the environment.”
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