FID technology: A pioneer in on-line exhaust gas monitoring

FID, or hydrogen flame ionization detector, is a bright star in on-line exhaust gas monitoring. It is based on the principle of gas chromatography and is designed for real-time monitoring of volatile organic compounds (VOCs). Next, we will take a look at its technical secrets and application prospects.

First, technical core disclosure

The magic of FID technology is that it uses a mixed flame of hydrogen and air to induce VOCs molecules to ionize in the flame, generating an ion stream. These weak ion streams are cleverly converted into current signals closely related to VOCs concentration, and after amplification, the true concentration of VOCs jumps onto the "screen". It is worth mentioning that FID is particularly sensitive to hydrocarbons and responds consistently to all types of hydrocarbons, making it a useful tool for total hydrocarbon (THC) and non-methane total hydrocarbon (NMHC) monitoring.

Second, system advantages and intelligent characteristics

Far from being a simple inspection tool, the FID system incorporates multiple pretreatment technologies to completely eliminate condensate interference and sample loss, making the inspection more accurate. What is more amazing is that it also has intelligent functions such as positioning and solar power supply to ensure continuous and stable data transmission. The 7-inch touch screen and various wireless transmission methods bring the convenience of field operation and remote monitoring to a new level. The addition of modular design, programmed temperature control and other technologies makes maintenance simple and detection more accurate and stable.

Third, wide application and environmental protection help

Whether in the petrochemical, printing or pharmaceutical industries, FID technology plays an integral role. Its explosion-proof design makes it safe and reliable for use in high-risk environments. At the same time, it also shines in the monitoring of unorganized emissions in the factory boundary and the park, and the multi-parameter synchronous analysis function is to add wings to the environmental protection department. In law enforcement and emergency response, the automatic sample retention and timely alarm function of FID devices also provide strong support for environmental protection actions.

4. Fault response strategy

In the face of possible failures, the FID system has already prepared a foolproof plan. Regular maintenance measures such as checking the gas path, cleaning the ion head, and replacing the aged column are all key to ensuring the stable operation of the system. At the same time, maintaining a stable ratio of hydrogen to air flow is also a major point in maintenance.

Looking ahead to future development

With the continuous advancement of technology, FID devices are developing in the direction of becoming smarter and more portable. The use of AI technology to predict emissions trends, the flexibility brought by portable design, and the integration with PID detection technology will be new highlights for future FID devices. These innovations will provide more comprehensive and efficient technical support for environmental protection.

In short, FID technology, with its accuracy, stability and intelligent characteristics, is unique in the field of online exhaust gas monitoring, and has injected a strong impetus to the cause of environmental protection. For more knowledge, please contact Shenzhen Ruiming Environment.