Canadian Electrical Industry News Week

Circultation Heater and ControlsBy Ilan Toledano

Inline heaters (a.k.a. circulation heaters) are ideal for processing fluid, including hazardous liquids, that requires intermediate heating while maintaining a flow rate. Instead of stripping the heat from another source as it would for a heat exchanger, an inline heater simply transfers the heat generated from electrical power into the target fluid.

Composition of inline heaters

Inline heaters comprise heating elements covered by an anti-corrosion metallic vessel chamber. To maximize efficiency, the flanged heater is often thermally insulated by either the side or inline operation. This is particularly done when a flowing medium has to be heated. 

A pump unit transports the inlet fluid into the circulation system. The fluid is then continuously circulated and reheated in a closed loop around the immersion heater until the desired temperature (up to 1000°F) is reached. The heating medium will then flow out of the outlet nozzle at a fixed flow rate determined by the temperature control mechanism.

Different applications call for varying options for terminal enclosure, sheath material, flanged connections, and temperature ranges. Several mounting options are also available such as integral mounting utilizing SCRs and remote mounting which uses contactor control panels.

 

Vessel heaters are a type of inline heater manufactured as a packaged unit containing several components such as heating element, chamber, thermostat, sensors, insulated material, brackets for mounting, and electrical connections. The efficiency of this heater is high as all heat is produced within the substance or vessel. The operation is fast and executed in a short time. The heat generated is evenly distributed throughout the substance.The main characteristics of inline heaters are efficient heat transfer, ease of installation and maintenance, and compatibility with the current standard industrial piping. Applications such as waste oil, steam and water processing can use inline heaters to regulate and control the temperature, but also to maintain fluid viscosity. Improper liquid viscosity could gradually slow down overall production processing time. In addition, a slight deviation in viscosity could affect the product’s final yield and purity. To avoid this type of problem, an inline heater can heat the fluid so that at the temperature the viscosity remains unchanged and the fluid proceeds at a desirable flow rate. To control the liquid flow rate, the heater’s wattage can be manipulated and regulated to obtain the desired temperature. In other words, the flow rate is directly proportional to the temperature/liquid viscosity.
Skid Mounted Heater With Control Panel

Features

Almost all inline heaters use thermocouple sensors that can be integrated with any control to manage the temperature range. Tools such as the RTDs and digital thermocouples can be used to precisely control the temperature of the heating system. For extra protection, optional components such as moisture resistant or explosion proof housing are available for special applications. Drain valves are also available on the circulation heater to facilitate system maintenance, whereby the leftover fluid or residues (such as water or calcium) can be easily removed from the equipment. Special mounting options are available for the target application’s mobility requirement. On WATTCO units, the flange immersion heater inside the circulation unit can be customized depending on the chemical and physical properties of the target fluid. Other customization options, such as the equipment orientation (vertical or horizontal) or flange type, are also available.

 There is a wide variety of immersion heaters on the market, which can be tailored to meet specific needs of an oil plant. The offered products can be used in a variety of applications that feature high pressure ranges or are executed in hazardous regions. 

Many applications make use of industrial heaters. The most common of these are heating oils, corrosive solutions, water cooled engines, oil sump heaters, process kettles, blending mills, moulding dies, steam superheating and preheating purposes such as viscosity pumping and oil delivery to burners.

Ilan Toledano, is the President of Wattco. With over 20 years of experience in the electric heating industry, Ilan Toledano has been involved in sales and marketing, product development, and expansion of the industrial immersion heaters in the chemical and oil and gas industry for the past 15 years. Mr. Toledano has a B.Comm from Concordia University in Finance and Business Law; www.wattco.com.  
Vertical Circulation Heater

 

Changing Scene

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LDS Aug Products Eaton AL Series Dimmers 400Eaton's Wiring Devices AL series dimmers offer a versatile option for any dimming application - fine tune the dimming performance to match your exact needs and change colors as needed to suit any décor.

Color change kits come with three color faceplates, offering design flexibility within one product. Select models are available in 4 different color combination packs.

 

 


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ESAAs the government continues a gradual, staged approach to reopen Ontario, ESA is assessing how they can safely resume in-person classroom training while adhering to Ontario Public Health guidelines. ESA is continuing to monitor key public health indicators and Stage 3 restrictions as efforts begin to reschedule previously postponed in-person classroom courses.

If you are registered in a postponed ESA course, they will notify you in the next couple of weeks of the rescheduled date. Please note that online courses are continuing as scheduled.

 

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Case Study: EikoPro Electric LLC had a customer that had just constructed a new horse barn and was looking to light it quickly. The barn was designed to be lit with ten high bay lights for maximum efficacy and efficiency. Together with EiKO’s distributor partner, Platt Electric Redmond located in Redmond, Oregon, Pro Electric selected the EiKO 200W BAY-C high bay fixture, which puts out an impressive 30,000+ lumens at a 5000K color temperature. This high lumen output and the long life of the fixture – 72,000 hours – made it an ideal choice for the application.

Obviously, when lighting a barn, the security and safety of the animals, riders, and care givers is paramount. EiKO’s LED high bay products fill the space with light, eliminating shadows and blind spots.

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Yard LightThe YDD-L is an energy-efficient dusk to dawn yard light. It was designed for barns and farms. It is a versatile and economic light source that is good on the environment and uses long-life LED’s. The YDD-L comes standard with photo control which helps to provide significant power savings.

Lens
Polycarbonate diffused lens encloses high performance LEDs.

 

 

 

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Peers & Profiles

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Tom MiguelBy Sarah PickardTom Miguel

At 14, Tom Miguel was sitting in the counselor’s office of Silverthorn Collegiate Institute in Etobicoke with his entire life ahead of him. In 1981, the world was changing, and like so many young men and women, he was faced with a world of choices that would go on to define both his career and his life.

It was in this office that some counsellor suggested becoming an electrician, and Tom’s interest was piqued. “I knew from that point on what field of studies I needed to focus on to become an electrician,” Tom said.

 

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Rutul Bhavsar 1 400By Blake Marchand

Rutul Bhavsar is a final year Electrical Engineering student at Mohawk College. He recently co-authored a whitepaper on Mohawk College’s Joyce Centre for Partnership & Innovation discussing the technologies utilized in the state-of-the-art zero-carbon/carbon-neutral facility. Rutul was the lead author on the project, supported by Dr. Mariano Arriaga, General Manager of Mohawk’s Energy and Power Innovation Centre (EPIC) and Dr. Tony Cupido Research Chair, Sustainability at Mohawk College. Rutul’s interests lie in the more progressive areas of the industry, automation, control, and energy efficient technologies.

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