FIX800 Suction-Type Gas Detector for Coastal Wastewater and Waste Treatment Facility (Wando, Jeollanam-do)

This site is a public environmental corporation facility located near the coast, handling waste generated from the sea and wastewater used at the port. This is a case where a gas detector was applied at this public wastewater and waste treatment facility.

In particular, unlike other wastewater treatment facilities, the structure of this process did not allow the detector to be installed directly within the main treatment process. Therefore, an external pump and filter were used to draw in air from outside and measure the gas via a suction-sampling method, and the enclosure was configured and installed accordingly.

This is a photo of the enclosure configured for suction-type gas detection.

To explain briefly, this is a system in which the installed FIX800 gas detector receives air delivered through an external pump. Since dust or moisture can also be drawn in along with the air, a filter is required at the intake. An external pump that delivers air to the gas detector must also be installed, along with an SMPS to supply power to the pump and the detector.

Once this configuration is complete, the upgrade to a suction-type gas detector is finished.

By inserting a hose into the intake at the bottom of the enclosure and placing it in the desired space, the air in that space is drawn in real time and delivered to the FIX800 gas detector. If gas is present in the intake air, the FIX800 installed-type gas detector displays the detected gas concentration in real time as a numeric value.

Suction-type gas detectors are typically applied at sites where the detector itself cannot be mounted directly due to high moisture, or in environments such as oil tanks or water tanks where a gas detector cannot be fixed by screw-type mounting.

At this site as well, a gas concentration display board was installed so that the internal gas concentration could be checked from outside before entry.

The display board installed outside the entrance shows workers, in advance, the internal gas concentration that they would otherwise have no way of knowing. If a worker enters without knowing whether gas is present inside, they could suffer fatal asphyxiation immediately upon entry. For this reason, we believe a gas concentration display board is essential in any space that is not continuously staffed by workers.

This concludes our introduction of this safety management case using a suction-type gas detector at a wastewater treatment facility.

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Frequently Asked Questions (FAQ)

Q1. Why was a suction-type gas detector used instead of installing the detector directly on site?

Because the structure of this treatment process did not allow the detector to be installed directly within the main process, an external pump and filter were used to draw air in from outside and measure gas via suction sampling.

Q2. What equipment is required for a suction-type configuration?

An external pump to deliver air to the detector, a filter at the air intake to block dust and moisture, and an SMPS to supply power to the pump and detector.

Q3. Which gases does this configuration monitor?

The FIX800 displays real-time concentrations, and this configuration was set up to monitor CO, H2S, NH3, and O3.

Q4. Where is a suction-type gas detector typically used?

At sites with high moisture where a fixed detector cannot be mounted, or in environments such as oil tanks or water tanks where a detector cannot be fixed with screw-type mounting.

Q5. Why is a gas concentration display board installed at the entrance?

It shows workers the internal gas concentration in advance, before they enter, since entering a space with an undetected gas hazard can lead to fatal asphyxiation — making the display board essential for any space that is not continuously staffed.

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