August 2019

Archive

Special Focus: Valves, Pumps and Turbomachinery

Intensive study on damaged wear rings of centrifugal pumps—Part 2

This article is a continuation of Part 1, which discussed the evaluation of two damaged wear rings from centrifugal pump applications—a stationary (inner) ring and a rotating (outer) ring.

Pumps handicapped by not using best available technology
Bloch, Heinz P., Hydrocarbon Processing Staff

Pump lubrication deficiencies are often denied, and the outstanding reliability performance of oil mist is vastly underreported.

Analyze machinery failure data with a spreadsheet
Perez, R. X., Consultant

Some basic, yet insightful, machinery reliability tracking tools are introduced here that can be developed with common spreadsheet applications, such as Excel.

Specify the pressure drop of a vent silencer
Casado, E., Empresarios Agrupados (EEAA)

Industrial facilities, such as refineries and petrochemical plants, have many systems and equipment that must relieve steam or gases through discharge piping to the atmosphere to avoid overpressure and protect the installation.

Address measurement uncertainty in pipelines and storage
Robson, B., TUV SUD

How would you measure the volume of a can of soup? The height should work, but what about diameter? Or, you can possibly just trust what the manufacturer has told you on the label.

Benefits of close-coupled flush rings
Ambacher, A., AS-Schneider

The chemical industry uses flush rings for diaphragm seals.

Maintenance and Reliability

Best options for a reboiler revamp
Pramanik, R., Srinath, N. R., Fluor Daniel India

It is always a challenge to reconfigure and resize existing reboilers, especially vertical thermosiphon ones, for the revised design and operating conditions of a brownfield project, since hydraulics external to the reboiler must match the reboiler hydraulics under the revamped conditions to ensure trouble-free operation.

Asset life assessment: A strategic reliability tool for the process industries
Pyne, T., Reliability and Asset Strategy Specialist

Asset life assessment (ALA) has become a strategic tool for process plants (e.g., petrochemical, chemical, and oil and gas) to determine the extent of degradation and the ability of assets to bear static and dynamic loads while sustaining the desired production processes.

Fatigue damage assessment of coke drums based on temperature monitoring
Soare, M., Minea, I-S., Predoi, M. V., Bunesco, C., Diba, C., Nuclear NDT Research & Services Srl

Coke drums are expensive equipment with a long manufacturing cycle, so a realistic and accurate life prediction can save significant time and money.

Heat Transfer

Refinery revamp opportunities with welded plate heat exchangers
Kauders, P., CDE Projects Ltd.; Broad, R., GESMEX Exchangers GmbH

The plate-and-shell (P&S) heat exchanger has three significant advantages over the shell-and-tube (S&T) type traditionally used in refinery processes.

Process Control and Instrumentation

Projects as programs: A vision for long-term project success
Scofield, R., Solvay

Process industries across the globe grapple with producing dozens or even hundreds of different products.

Estimation of relief load and realistic relieving temperature for heavy-end fractionating columns
Saha, J., Fluor Daniel India Pvt. Ltd.; Chaudhuri, S., Bechtel India Pvt Ltd.; Groenendijk, S., Fluor

Relief calculation is one of the most discussed aspects of chemical engineering design.

Water Management

Chemistry modeling system—A key to increased steam system reliability
Robinson, J., Robinson, G., SUEZ Water Technologies & Solutions

Oil refineries and petrochemical plants rely on steam systems to maintain utility and process unit operations.

Minimize energy consumption in water treatment with forward osmosis technology—Part 2
Attarde, D., Das, A. K., Racha, S. M., Ghosh, S., Reliance Industries Ltd.

Heavy industries like refining, petrochemicals and mining face concerns about the availability of freshwater, as these are affected by local water scarcities and stringent water discharge regulations.

Columns

Editorial Comment: A shift in capital? Petrochemical projects take lead in active project market share
Nichols, Lee, Hydrocarbon Processing Staff

In mid-June, I joined Thad Pittman, Senior Research Analyst, Hydrocarbon Processing’s Construction Boxscore Database, to provide Hydrocarbon Processing subscribers with a global analysis on the downstream processing industry’s capital projects landscape.

Reliability: Find the cause of black oil in pump bearing housings
Bloch, Heinz P., Hydrocarbon Processing Staff

While on consulting assignments, observant reliability engineers often uncover (or rediscover) failure initiators that their long-departed colleagues experienced years ago.

Executive Viewpoint: Now and into the future: Challenges and solutions for the global processing industries
Fredrick, C., Young, K., Merichem Co.

Hydrocarbon Processing sat down with senior-level executives of Merichem Company, Cyndie Fredrick (CF) and Kathy Young (KY), Senior Vice Presidents and General Managers of Merichem’s two business units, to discuss the state of the downstream industry, where it is heading in the future and how their company is helping operators meet their sustainability goals.

Industry Perspectives: HP Awards—Honoring the industry’s best
Nichols, Lee, Hydrocarbon Processing Staff

In late June, Hydrocarbon Processing announced the finalists for its third annual awards.

Business Trends: The new petrochemical market—Adapting to demand
Murphy, R., Allegro Development Corp.

A bit of advice for players in the petrochemical market: Hold on to your hats!

Global Project Data
Nichols, Lee, Hydrocarbon Processing Staff

Hydrocarbon Processing’s Construction Boxscore Database is tracking more than 1,300 projects around the world.

Show Preview: Gastech
Blume, Adrienne, Hydrocarbon Processing Staff

Grab your cowboy boots: Gastech returns to Houston, Texas

Industry Metrics
Rhodes, Mike, Hydrocarbon Processing Staff

The US gasoline market received a boost from a gasoline supply outage on the East Coast, despite overall supply-side pressure resulting from higher regional refinery intakes.