1. A first order exothermic irreversible reaction from A→ Bis taken place in Continuous Stirred Tank Reactor (CSTR) is shown in Figure 1. The quality of the reactor product will meet the product specification when the temperature inside CSTR is maintained at 110°C. a. Illustrate the piping and instrumentation diagram (P&ID) for an automatic control system of CSTR to control the temperature in achieving the quality of reactor product. The standard ISA instrumentation symbols must be implemented. Reactor feed Coolant outlet Coolant inlet CSTR Reactor product Pump Figure 1. CSTR Diagram b. Describe and label the controlled variable (CV), manipulated variable (MV), set point (SP) and disturbance (D) in your control system shown in 1(a) c. The range of calibrated temperature sensor of CSTR is 50°C to 200°C. 100% signal is transmitted to controller for control system in 1 (b). Unexpectedly, the heat supply by the coolant is cut off and the product quality is decreased. After checking, the signal transmitter reads at 6mA. As a control engineer, you are required to estimate the equivalent signal received by the controller in % and current temperature inside CSTR.
1. A first order exothermic irreversible reaction from A→ Bis taken place in Continuous Stirred Tank Reactor (CSTR) is shown in Figure 1. The quality of the reactor product will meet the product specification when the temperature inside CSTR is maintained at 110°C. a. Illustrate the piping and instrumentation diagram (P&ID) for an automatic control system of CSTR to control the temperature in achieving the quality of reactor product. The standard ISA instrumentation symbols must be implemented. Reactor feed Coolant outlet Coolant inlet CSTR Reactor product Pump Figure 1. CSTR Diagram b. Describe and label the controlled variable (CV), manipulated variable (MV), set point (SP) and disturbance (D) in your control system shown in 1(a) c. The range of calibrated temperature sensor of CSTR is 50°C to 200°C. 100% signal is transmitted to controller for control system in 1 (b). Unexpectedly, the heat supply by the coolant is cut off and the product quality is decreased. After checking, the signal transmitter reads at 6mA. As a control engineer, you are required to estimate the equivalent signal received by the controller in % and current temperature inside CSTR.
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter9: Heat Transfer With Phase Change
Section: Chapter Questions
Problem 9.28P
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