PRODUCTS & APPLICATIONS FLOW & LEVEL CONTROL GOING DEEPER UNDERGROUND
Milwaukee Metropolitan Sewerage District (MMSD) serves a population of 1.1 million across 28 communities on the shore of Lake Michigan. Since 1994, MMSD has used a system of deep tunnels to store storm water prior to treatment, and to prevent pollution. Measurement of flow rates within the approach channels is crucial to controlling the overall system, and MMSD embarked on a programme of proactively replacing the aging equipment. Pulsar Process Measurement has supplied a number of Ultra 3 non-contacting ultrasonic measurement devices which are being used to monitor flow rates. The flow rates in the channels can be very high and could easily rip a contacting sensor from the channel, so the maintenance-free, non-contacting approach offered a suitable solution. 12 three-relay Ultra 3 wall-mounted
controllers along with high-powered dB Series transducers were purchased in the first phase, and both the controllers and transducers were supplied with integral IS barriers. Despite the equipment being stationed deep underground, a significant temperature gradient meant that Pulsar’s in-built temperature compensation features were important. The successful implementation of this first phase has led to a further order of a similar number of units.
Pulsar Process Measurement
www.pulsar-pm.com
RIDING THE WAVE OF INNOVATIVE FLOWMETERING
The food, beverage, pharmaceutical and cosmetics industries require flow meters that not only operate with high precision, but also meet strict standards and legal requirements with regard to hygiene and cleaning. With FLOWave Type 8098, Bürkert says it offers a practical solution for this purpose. The flow meter operates according to the patented SAW process (Surface Acoustic Waves), which uses surface waves to perform measurements. The primary advantage of this process is that there are no installed fittings or constrictions, which also means there are no empty spaces in the measurement tube. In addition, measurements are performed without any contact between the sensor elements and the medium; the liquid neither
affects the sensor elements nor can the sensors contaminate the medium. This is not only hygienic, but also simplifies the cleaning process. The fact that the measuring tube is identical to every other straight tube section in the system in fluidic terms also avoids pressure drops. Installation is straightforward thanks to the device’s compact size and low weight. According to Bürkert, FLOWave
consumes much less energy than Coriolis flowmeters, for example, and can be mounted in any installation position. Measurements can be taken in standing liquids in fast-flowing liquids or in liquid flows that change direction. In addition, no maintenance work is required, reducing operating costs. The flow meter, manufactured
INSTRUMENT CAN BE MOUNTED IN ANY POSITION
Mass Flow ONLINE has introduced new models to its LIQUI-VIEW Base series. Following consultation with customers, these models are now equipped with a bright, wide-angle and easy-to-read display for local readout purposes. The instrument can be mounted in any position, and the structural design of the display makes it possible to rotate it through 180 degrees. Besides a local readout, these models also offer 4-20 mA output signals. The LIQUI-VIEW Base series operate on the vortex principle.
The instruments can be supplied in full scale ranges from 10l/min up to 150l/min at max. 12 bar pressure rating. The devices offer a cost-effective solution for monitoring the
flow or consumption of cleaning water, cooling water or spa water. Thanks to its IP65 protection rating and the compact and lightweight sensor body, these flow meters will be a suitable choice for many industrial applications. The new LIQUI-VIEW Base can be ordered easily from stock.
Mass Flow Online
www.massflow-online.com INLINE MEASUREMENT FOR HYGIENIC APPLICATIONS
The SICK Dosic ultrasonic flowmeter has, according to the company, opened up the benefits of ultrasonic inline measurement for processing applications where stringent hygiene and corrosion resistance are essential. Developed to have fully stainless steel wetted parts without in-channel seals or moving components, the Dosic offers reliability, low maintenance and long service life for flow measurement in both conductive and non-conductive liquids, including demineralised water. It offers high-temperature resistance for Clean-in-Place and
26 JULY/AUGUST 2017 | PROCESS & CONTROL
Sterilisation-in- Place procedures, and carries full EHEDG certification and FDA conformity. “With easy ‘plug
and measure’ set up, the Dosic can detect changes regardless of the medium and automatically adapt to them. Trialling in dairies, for example, has demonstrated that typical pumping/batching sequences of milk, cleaning fluids, water and cream can be interchanged without a need to change any settings in the sensor,” said
Darren Pratt, SICK (UK) industrial instrumentation specialist. He continued: “The SICK Dosic is also ideal for large-scale batch pumping and dispensation. Being
so compact – you can easily hold it in a single hand – it can be used for measurement on trolley-based mobile pumps, e.g. for transfer and vat filling. The rotatable display makes it easy to mount in any orientation, for convenience.”
SICK
www.sick.com/gb/en/
entirely from stainless steel, measures the volume flow with an accuracy of 0.4 % of the measured value. Temperature is measured simultaneously with an accuracy of ≤1 °C. Depending on the orifice, the nominal pressure can be up to 25 bar. The temperature range is designed to enable CIP as well as SIP cleaning processes.
Bürkert Fluid Control Systems
www.burkert.com
POTS OF LEVEL BENEFITS
A UK food processing factory supplying the likes of McDonalds, Tesco, Morrisons & Lidl, produces over 130,000 pots of coleslaw a day. A 2.2m high cylinder with a 5mm stainless steel wall, is filled with the mayonnaise used in coleslaw production. The current monitoring method consists of employing ladders to peer into the cylinder and check usage and remaining contents. Particular issues with this method include potential contamination and health and safety risks to the operator. A site visit was conducted by
Coltraco Engineers and after a short trial they decided that the liquid level technology employed on the Portalevel Max could quickly and accurately gauge the liquid level of mayonnaise within the vessel. The implementation of the
Portalevel Max allows the plant to run more efficiently and reduces risks by providing staff with a means of accurately and non-invasively monitoring the contents within the mayonnaise tank, negating the need for physical inspection using ladders which posed the health & safety risks.
Coltraco Ultrasonics
www.coltraco.co.uk
/ PROCESS&CONTROL
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44 |
Page 45 |
Page 46 |
Page 47 |
Page 48 |
Page 49 |
Page 50 |
Page 51 |
Page 52 |
Page 53 |
Page 54 |
Page 55 |
Page 56 |
Page 57 |
Page 58 |
Page 59 |
Page 60 |
Page 61
