Process Design

Steam Systems

Industrial applications of steam systems such as - steam tracing, steam blowing, steam hammering etc. Check out resources on industrial steam systems.

Steam Blowing - Cleaning by steam blowing is carried out essentially for steam circuits (i.e for steam generating boilers, steam heated exchangers, steam turbine upstream piping or other steam lines). Due to problems of condensation of steam or draining of condensate, this type of cleaning has to be used with the utmost care, as it can potentially create vacuum in the equipments being cleaned.

Steam generating boilers - Boilers are basically vessels used for heating the water and converting it to steam, as the name suggests. Boilers vessels generally use an internal heat source for boiling the water. Generally the steam is used as a utility in process plants and needs to be available at certain temperature and pressure conditions. A boiler is designed based on the desired temperature pressure conditions of the product steam.

Steam hammering - Steam hammering is the phenomenon which occurs in steam charging in the pipeline while there is a presence of condensate in the line. This is because of sudden drop in pressure of steam as it comes in contact of condensate.

Steam network in a process plant - Steam has been a popular mode of conveying energy since the industrial revolution. Steam is used for generating power, used in process industries such as sugar, paper, fertilizer, refineries, petrochemicals, chemical, food, synthetic fibre and textiles. If the steam is being used to generate electrical power, higher pressures and superheat temperatures are desirable since steam turbines are more efficient at the temperatures and pressures. If the steam is being used only for process heating duties, no superheat is required.  Superheated steam is not desirable since it results in lower heat transfer coefficients.

Steam tracing for piping and instruments - Steam tracing is heat tracing performed by circulating steam around process pipes to heat them. In engineering, the requirement for heating of piping and instruments, using steam tracing is normally indicated on the Piping and Instrument Diagram (P&IDs) or on the line lists.


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