Abstract: Example computer-implemented methods, media, and systems for isolating an emergency within process systems of a hydrocarbon processing facility are disclosed. One example method includes receiving a drawing of multiple process systems of a hydrocarbon processing facility. A respective identifier is assigned to each of multiple drawing vectors, where each of the multiple drawing vectors corresponds to a respective component of the multiple process systems. The multiple drawing vectors are coded based on the assigned identifiers. One or more drawing vectors connected to a location of the emergency are determined from the multiple coded drawing vectors. One or more connections between the one or more drawing vectors and the location of the emergency are identified. A first isolation valve for isolation of the emergency is determined from one or more isolation valves corresponding to the one or more connections. The first isolation valve is provided for the isolation of the emergency.

Abstract: A method to continuously monitor for tube leakage in a shell and tube thermosiphon reboiler for heating feedstock in a fractionating column includes: determining the column is in service by continuously monitoring an input flow of the feedstock into the column; determining the reboiler is inactive by continuously monitoring an output valve of tube-side heating fluid from the reboiler; determining the reboiler is losing the heating fluid by continuously monitoring an output flow of the heating fluid from the reboiler; determining the reboiler is heat exchanging by continuously monitoring a temperature difference between input and output flows of shell-side bottoms fluid with the column; and determining the tube leakage in the reboiler is taking place when the column is determined to be in service, the reboiler is determined to be inactive, the reboiler is determined to be losing the heating fluid, and the reboiler is determined to be heat exchanging.

Abstract: An automated control loop for dynamically adjusting a temperature of wet steam is provided. This leads to increased heat transfer and decreased fouling in a reboiler of a distillation column used for distilling a petrochemical. The control loop includes controlling the combining of condensed water with dry steam to produce the wet steam. The produced wet steam is input to the reboiler in order to transfer heat to the petrochemical while being converted to the condensed water. The control loop further includes monitoring a pressure of the produced wet steam, and setting a target temperature for the produced wet steam based on the monitored pressure. In addition, the control loop includes monitoring the temperature of the produced wet steam, and adjusting a proportion of the condensed water in the produced wet steam in response to the monitored temperature deviating from the set target temperature by at least a threshold value.

Abstract: A method to continuously monitor for tube leakage in a shell and tube thermosiphon reboiler for heating feedstock in a fractionating column includes: determining the column is in service by continuously monitoring an input flow of the feedstock into the column; determining the reboiler is inactive by continuously monitoring an output valve of tube-side heating fluid from the reboiler; determining the reboiler is losing the heating fluid by continuously monitoring an output flow of the heating fluid from the reboiler; determining the reboiler is heat exchanging by continuously monitoring a temperature difference between input and output flows of shell-side bottoms fluid with the column; and determining the tube leakage in the reboiler is taking place when the column is determined to be in service, the reboiler is determined to be inactive, the reboiler is determined to be losing the heating fluid, and the reboiler is determined to be heat exchanging.