Pumps

Dual-mechanical seal arrangement for hot pump service

Zardynezhad, S., TurboTech Consulting Corp.

Selecting mechanical seals for hot services in an oil refinery or petrochemical plant is always a challenging task—and it is a task that needs careful attention, since the wrong seal selection can have a significant impact on pump reliability and availability.

Case study: Reliability of low-flow, high-head pumps

Badughaish , M., Saudi Aramco

Pumps are one of the key elements used in different industries, including oil and gas, petrochemicals and water treatment.

Innovations

Mike Rhodes, Hydrocarbon Processing Staff

What are the latest advancements in HPI technologies? This month’s Innovations section details the tools and technologies that are optimizing plant operations.

Good distributor design for high-velocity feed debottlenecks a crude preflash tower

Blum, B., Bazan Group; Kister, H., Fluor; Tsang, R., Koch-Glitsch

Bazan Group’s crude unit No. 3—not designed by any of the authors’ companies—was bottlenecked by the preflash tower.

Ensuring safety in dynamic chemical manufacturing environments

Knecht, S., ITT Goulds Pumps

As with all industries, chemical manufacturing is evolving in response to technical innovations, new customer requirements and increased global competition.

Innovations

Rhodes, Mike, Hydrocarbon Processing Staff

What are the latest advancements in HPI technologies? This month’s Innovations section details the tools and technologies that are optimizing plant operations.

Reliability: Pushing the limit can have unexpected consequences

Bloch, Heinz P., Hydrocarbon Processing Staff

A prominent manufacturer rediscovered the old axiom, “pushing the limit can have unexpected consequences,” after experiencing many bearing failures in its 40-hp air blowers. These lifetime-lubricated (sealed) bearings had been properly installed on 20-mm shafts, and it can be assumed that premium greases were being used.

Leveraging digital technologies to create the smart renewable diesel facility

Harclerode, C., OSIsoft

Many companies are modifying existing crude refineries or building grassroots renewable diesel facilities to produce drop-in, green renewable diesel from a variety of agriculturally derived triglyceride feedstocks.

Reliability: Finding upgraded sealing solutions

Bloch, Heinz P., Hydrocarbon Processing Staff

By universal agreement, the safety and reliability of facilities in the hydrocarbon processing industry—and most other industrial plants—are of highest importance.

Successes and challenges installing the first proprietary closed-coke slurry system

Kaminski, M., LOTOS Asfalt; Manral, V., Heeswijk, B. V., Chevron Lummus Global; Graeter, F., Knuedel, S., TRIPLAN GmbH

The authors’ companya licensed a two-drum delayed coking technology process unit to Grupa LOTOS in Gdansk, Poland.