Block 2 - Commission Furnaces & Ovens - Commission Draft Control Systems Flashcards
What is the primary purpose of commissioning draft control systems for gas-fired industrial appliances?
To ensure that the system operates efficiently, safely, and meets the required performance standards.
What is essential for regulating air flow and maintaining proper combustion conditions in appliances?
Draft control systems.
What should be verified during the correct installation of a draft control system?
Placement of parts, secure fittings, proper alignment.
What is crucial for synchronized operation in draft control systems?
Seamless integration with the boiler control system and other essential equipment.
What should be inspected to identify potential issues in the draft control system?
Loose connections, damaged wiring, other potential issues.
What type of permits should be verified before commissioning a draft control system?
Installation and product approval permits.
What is the importance of proper sizing in a draft control system?
To ensure the system can handle expected loads and operate efficiently.
Fill in the blank: Compliance with ______ is crucial for ensuring the safety and reliability of the system.
B149.1 code clauses.
What should be documented regarding compliance with the B149.1 code clauses?
Materials, dimensions, and installation practices.
What is the requirement for manually operated fuel dampers in certain appliances?
Must not be used unless provided with a fixed opening and designed for safe operation.
What should be done with all relevant instruments in the draft control system?
Calibrate them using standards traceable to national or international standards.
What is the function of interlocks in a draft control system?
To ensure safe operation by linking critical safety systems.
What should be set based on design specifications during the commissioning process?
Initial parameters and setpoints for draft control.
What types of tests should be conducted to verify the system’s response?
Functional tests for draft regulation and load variations.
What is involved in control loop fine-tuning?
Adjusting Proportional-Integral-Derivative (PID) settings.
What must be verified regarding safety features of the draft control system?
That all safety features are functioning correctly.
What should be updated as part of the system documentation after commissioning?
Operating manuals, as-built drawings, calibration records.
True or False: Draft control devices must be installed according to the appliance manufacturer’s installation instructions.
True.
What is the purpose of Engineering Design Approval for equipment?
Ensure that every type of equipment has an engineering design approved by recognized standards organizations such as CSA and ULC.
What is the TSBC design registration process?
A process for equipment requiring additional approval, applicable to DFMA systems and field-designed systems.
True or False: DFMA systems do not need to undergo the TSBC design registration process if they are CSA approved.
False
What should be verified during the inspection of ductwork installation?
Verify that ductwork has been installed according to design plans and the manufacturer’s guidelines.
What is the significance of ventilation sufficiency in ducting systems?
Ensure that the ducting system provides sufficient ventilation for the furnace and oven, meeting required air exchange rates.
What should be checked regarding electrical connections?
Ensure that all electrical connections are properly made and connected to the power supply according to manufacturer’s specifications.
Fill in the blank: The functionality of _______ dampers should be confirmed to isolate sections of the ducting system as needed.
isolation
What is the purpose of calibrating sensors in the exhaust system?
To ensure accurate readings and reliable operation.
What should be documented during the commissioning process?
Document all inspections, tests, and adjustments made during the commissioning process.
What checks are involved in inspecting combustion systems for furnaces?
Verify the proper functioning of the combustion system, including burners, ignition systems, and flame sensors.
What is the purpose of performance testing in the commissioning of furnaces?
To validate the furnace’s ability to achieve and maintain desired temperatures and measure relevant parameters.
True or False: It is unnecessary to verify the installation of expansion joints.
False
What should be checked to ensure safety systems are functioning properly?
Test safety features such as emergency shutdowns, alarms, and pressure relief valves.
What is the main goal of operator and maintenance training?
To ensure operators and maintenance personnel are well-equipped to manage the system effectively.
What should be included in a comprehensive commissioning report?
Details of the entire commissioning process and findings.
What is the initial step in the pre-commissioning checks for industrial furnaces?
Review the furnace design, specifications, and installation documentation.
Fill in the blank: Conduct _______ testing on the fuel system to detect any leaks.
leak
What is verified during safety system verification?
All safety systems, such as emergency shut-offs, alarms, and interlocks, are operational and correctly integrated.
What should be done regarding the ignition system during testing?
Test the ignition system to ensure reliable and safe ignition of the fuel.
What is the importance of checking dampers and louvers?
To ensure they operate correctly for proper airflow control and distribution.
What is one method for conducting leak tests on the fuel system?
Using a soap solution.
True or False: All necessary permits and approvals must be in place before commissioning.
True
What should be inspected regarding the exhaust stack?
Ensure it is properly installed and complies with height requirements and emission regulations.
What is the purpose of measuring external static pressure?
To identify excessive restrictions in the air distribution system or low fan speed.
What should be verified about the insulation on ductwork?
Ensure it meets thermal and safety requirements, preventing heat loss.
What is involved in the comprehensive documentation during the start-up process?
Document all tests, inspections, and adjustments made during the start-up process in detail. Include data logs, calibration records, and any changes to initial settings.
Provide a detailed start-up report to the client or relevant stakeholders summarizing the commissioning process.
What is the primary goal of commissioning an industrial oven?
To ensure that the oven operates safely, efficiently, and in compliance with design specifications and regulations.
Always refer to the manufacturer’s guidelines, local regulations, and safety standards.
What should be included in the operator and maintenance training for an industrial oven?
Comprehensive training on operation and maintenance, practical demonstrations, and hands-on training sessions.
Ensure understanding of safety protocols, routine maintenance tasks, and troubleshooting procedures.
What are the key steps in the pre-commissioning checks for an industrial oven?
Verify installation, confirm permits and approvals, and verify safety systems.
Includes reviewing design and documentation.
True or False: All necessary permits and approvals must be in place before commissioning an industrial oven.
True
What should be inspected as part of the component inspection for an oven?
Burners, ignition systems, controls, sensors, safety devices, and venting.
Look for signs of damage, wear, or improper installation.
Fill in the blank: The gas supply system inspection includes checking gas lines, valves, regulators, and _______.
[pressure switches]
What is the purpose of conducting leak tests on the gas system?
To detect any leaks and address them immediately to prevent hazardous conditions.
What is the importance of verifying gas pressure during the commissioning process?
To ensure that the gas pressure meets the manufacturer’s specifications.
Use calibrated pressure gauges for measurement.
What must be tested in the combustion system of an industrial oven?
Pilot and main burners for proper ignition and flame stability.
Perform a combustion analysis to verify the air-fuel ratio.
What should be checked in the temperature control system verification?
Temperature controllers, thermocouples, and high-limit controls.
Ensure sensors are correctly positioned and calibrated.
What is involved in the calibration of instruments during commissioning?
Calibrate all instrumentation, including temperature, pressure, and airflow sensors, to ensure accurate readings.
What are the key steps in performance testing for an industrial oven?
Conduct performance tests to validate temperature maintenance, measure heating times, and check uniformity.
Address discrepancies identified during testing.
What is the objective of air heating commissioning?
To ensure that the air heating system effectively and efficiently raises the temperature of the air for industrial processes.
Key steps in curing process commissioning include verifying installation and _______.
[calibration of curing equipment]
What is the main goal of the drying process in commissioning?
To remove moisture or solvents from materials using heat or other methods.
What should be verified during the commissioning of atmospheric generation (scrubbers)?
Installation of components, efficient removal of pollutants, and calibration of monitoring instruments.
True or False: The commissioning process for different processes like air heating, curing, drying, and atmospheric generation is the same.
False
