Key points of operation and maintenance of exhaust gas online monitoring system
For sampling probes, sampling blowback devices, heat tracing tubes, sampling pumps, pipeline joints, flow rates, flue gas condensate water removal devices, and drainage devices. Inspect smoke filters, solenoid valves, etc., and regularly replace vulnerable parts and consumables such as pump membranes and filter cartridges.
Check if the timed blowback device is functioning properly, if it can perform normal blowback at the set time, check the adsorption of the condensate pipe wall in the system pipeline, and blow it clean in a timely manner.
During the operation and maintenance of the fully heat tracing and extraction monitoring system, the instruments are manually calibrated regularly according to regulatory requirements. At the same time, internal parameters such as voltage, current, and temperature of the instrument light source should be checked to ensure that the instrument is working properly.
Key points of operation and maintenance technology for standard gases and standard substances
Check and register the concentration, expiration date, and remaining pressure of each standard gas, and replace them regularly.
Check whether the gas pipe, pressure reducing valve, and needle valve are corroded, leaking, or damaged, and replace them regularly. Stop using high-pressure steel cylinders when the residual pressure of the standard gas is lower than the specified pressure. Check if the adsorbents and desiccants used for zero gas (or flue gas) have expired and replace them regularly.
Key points of operation and maintenance technology for flow rate, temperature, pressure, and humidity monitoring systems
For the pressure difference method flow rate measuring instrument, check whether the pitot tube coefficient is set correctly, check whether the airtightness is normal, check whether the pitot tube coefficient is set correctly, check whether the installation position of the pitot tube is loose, check whether the airtightness is normal, check whether the pitot tube fee blowback pipeline, control valve, etc. are working properly, check whether the pitot tube pipeline is blocked, monitor whether the flow rate value is normal, etc. Regularly carry out corresponding inspections, maintenance, and calibration.
For temperature, pressure, and humidity measuring instruments: regularly check whether the monitoring data is normal, check whether the probe is blocked, corroded, or perforated, and regularly clean and replace it.
Facility pictures
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