Chemical Engineering May 2017 - 80

Gulf Coast 2017 Special Advertising Section
Helping companies resolve heat transfer issues
Effective and reliable heat transfer is crucial to profitability; HTRI has decades of experience
helping companies improve the performance of their heat exchangers
H
TRI is the leading source of process heat transfer technology,
including research, software, training, and services.
Incorporated in 1962, HTRI conducts research at its multimilliondollar
facility in Navasota, Tex., USA. HTRI technology has been
used by companies worldwide for decades to design, operate, and
improve performance of heat transfer equipment.
HTRI products and services provide problem-solving solutions,
cost-effective methods, and time-saving results. HTRI employs research
engineers who draw on their collective experience and the
latest findings from its state-of-the-art test facility to solve problems
facing the industry.
Based on years of research results, HTRI software tools are designed
so that engineers derive daily operating benefit from them.
The acclaimed HTRI Xchanger Suite is considered the industry's
most advanced thermal process design and simulation software,
and offers nine specific modules for different equipment types. A
Technical Support team of qualified and experienced personnel
backed by the entire research staff helps customers install and use
the software, interpret reports, and understand software methods.
HTRI's Proprietary Contracts staff are available to help address
diverse heat exchanger problems such as improving exchanger performance
or throughput, reducing fouling, or troubleshooting your
equipment. They offer outsourcing options for testing, consulting,
and custom software solutions.
HTRI trains thousands of end users worldwide through its bestHTRI
conducts proprietary testing at its Research &
Technology Center (RTC) located near Houston, Tex.
in-class training program. These regional and on-site courses enable
attendees to fully utilize HTRI's powerful design software and
expand their knowledge of process heat transfer technology.
www.htri.net
Tank gauging solution reduces total cost of ownership
A case study shows how Endress+Hauser's Proservo NMS5 and Promonitor NRF560 are
easy to retrofit to existing tanks, combining accuracy, reliability, and low cost of ownership
ne of the world's premier plastics,
chemicals and refining companies
needed a tank gauging solution for a group
of spherical tanks holding light hydrocarbon
liquids, reports Endress+Hauser.
Some of the tanks were still fitted with
their original float-and-tape gauges in stilling
wells. Most tanks had been upgraded
to a newer servo-based float system. A few
used free-space radar level measurement,
but with unsatisfactory results.
The customer wanted a standardized,
O
reliable, and accurate tank gauging technology
requiring little or no modification to the
existing tank mountings. The solution was
the Proservo NMS5 intelligent tank gauge
from Endress+Hauser. This servo-based
float system gives high accuracy (±0.7 mm)
in custody transfer and inventory control.
Endress+Hauser also supplied
Promonitor NRF560 local display units for
tank-side monitoring and control. Additional
support included project management, fabrication,
and commissioning.
The same customer's next group of
80
tanks was a bigger challenge: to integrate
new level gauges with an existing digital
communication system. Cables were
already in place to each of the various
Proservo NMS5 atop a storage tank
spheres, bullet tanks, and floating-roof
tanks, but were not in use on those tanks
that were not fitted with level transmitters.
Endress+Hauser checked the setup and
confirmed that the existing communications
system had enough spare capacity to handle
the new gauges. The company supplied
Proservo NMS5 gauges using the BPM protocol,
programmed with digital addresses to
fit the requirements of the legacy software.
Endress+Hauser was able to commission
the new instruments in just two weeks.
The new gauges, including RTD temperature
data, showed up in the communications
system alongside the existing gauges.
Endress+Hauser also supplied Promonitor
NRF560 units for monitoring and control.
Using existing wiring and software
helped to lower the total cost of the project.
Another key issue in keeping costs down
was the fact that Endress+Hauser provided
the customer with all the necessary custom
hardware to allow the new gauges to be
mounted without modifying the tanks.
www.us.endress.com
CHEMICAL ENGINEERING WWW.CHEMENGONLINE.COM MAY 2017

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Chemical Engineering May 2017

Table of Contents for the Digital Edition of Chemical Engineering May 2017