Identify the instruments associated with Rx-202.
What will be an ideal response?
Temperature
TIC-210 Temperature Indicating Controller- located on the cooling water jacket to Rx-202. The temperature is controlled at 120ºF. Temperature on the reactor is measured at the bottom of the reactor.
Pressure
PIC-210 Pressure Indicating Controller- located on the reactor to flare line at the top of the reactor. PCV-210 throttles flow to the flare. Pressure on the reactor is controlled at 85 psig.
Pi-210A Pressure indicator- located on the suction side of pump 210. Pressure typically runs at 88 psig.
Pi-210B Pressure indicator- located on the discharge side of pump 210. Pressure typically runs at 130 psig.
Flow
FIC-210 Flow Indicating Controller- located on the reactor feed inlet line. Flow rates are controlled at 36.5 gallons per minute. Feed composition is 38% liquid catalyst, 61% butane, 1% pentane.
FIC-211 Flow Indicating Controller- located on the solvent feed inlet line. Flow rates are controlled at 68 GPM. The solvent is a critical element of the reaction process. FIC-211 is classified as a Slave or secondary controller.
Fi-210 Flow indicator- located on the pressure control line to the flare. Flow to the flare after start-up is 2.5 cubic feet per minute.
Level
LIC-210 Level Indicating Controller- located on the lower reactor outlet. The level element takes its measurement slightly above the upper agitator blades. Level is controlled at 75%.
Analytical
AT-4 Analyzer transmitter- located on the feed line to the reactor. AT-4 is designed to measure the butane concentration in the feed from tray three. Butane concentration at this point is 61%.
AIC-210 Analyzer Indicating Controller- measures the concentration of butane in the exiting product. AIC-210 is classified as a Master or primary controller. The solvent flow rate is used to control the overall percentage of butane in the reactor product.
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