Heat Transfer

Air-cooled steam surface condenser case study: Retrofit vs. revamp

Pramanik, R., Srinath, N. R., Fluor Daniel India Pvt. Ltd.

It is difficult to revamp an existing air-cooled steam surface condenser (ACSSC) for higher throughput, since most ACSSC suppliers have changed to a single-tube row design and have discontinued their multi-tube row design.

Set refinery profitability goals

Johnson, A., Johnson, E., Graham Corp.; Lieberman, N., Process Improvement Engineering

While the ultimate purpose of operating a refinery is to produce gasoline, diesel or asphalt, key objectives include improving return on investment (ROI), net profitability and cash flow.

Welded plate heat exchangers cut refinery process costs—Part 2

Broad, R., GESMEX Exchangers GmbH; Kauders, P., CDE Projects Ltd.

Plate-and-frame (P&F) heat exchangers were first manufactured 100 yr ago for use in the dairy industry.

Calculate shell-and-tube exchanger heat input for PSV fire case

Su, S., ProPEng Inc.

According to API Recommended Practice (RP) 521, 4.4.13.1, “Fire exposure on equipment can result in overpressure due to vapor generation and/or fluid expansion.

Optimize transient plant operations with castable-free fired heater

Fired heaters are designed with castable refractory in various sections of the heater.

Innovations

Rhodes, Mike, Hydrocarbon Processing Staff

Alfa Laval has introduced wide-opening design plates in its Packinox heat exchangers.

Selection of cooling water system for gas, petroleum and petrochemical plants located on coastline - Part 1

Safamirzaei, M., Namvaran P&T

Cooling water systems play an important role in today’s industry.

Assess remaining life for heater tubes

Patel, R., Singh, J., Ashutosh, Engineers India Ltd.

Refineries and petrochemical plants form some of the major sections of the hydrocarbon industry and consume much of the fuel that is burned in furnaces (heaters and specialty furnaces, such as reformers and crackers) to meet process heating requirements.

Develop reactor internals for optimizing reactor design - Part 2: High-performance mixing chamber

Ahn, E. S., Park, S. I., Song, I. C., Kim, G. B., Chang, G. S., GS Engineering and Construction

Most hydroprocessing reactors are fixed-bed reactors comprising several catalyst beds that are divided by quench zones containing mixing chambers that introduce a vapor-quenching medium.

Welded plate heat exchangers cut refinery process costs—Part 1

Plate and frame (P&F) heat exchangers were first manufactured 100 yr ago for use in the dairy industry.