The use of poisonous and harmful gas detection and alarm instrument The harmful gas detection and alarm instrument is a special safety and health detector that is used to detect the content of flammable or toxic gases and vapors in the chemical workplace or in the air inside the equipment and to limit the alarm. In addition, the air-oxygen detector also belongs to this type of instrument. The detection of harmful gases in hazardous chemical sites mainly includes the following situations:
Leakage detection: Detection leaks on the site of hazardous gases or liquids (vapours) from the equipment pipeline, and leak detection of equipment pipelines.
Inspection and inspection: It is more important to detect residual harmful gases or liquids (vapors) after replacement of the equipments, especially for detection before the fire.
Emergency detection: When an abnormal situation occurs on the production site or an accident is handled, harmful gases or liquids (vapors) shall be tested for safety and hygiene.
Entry detection: When a worker enters a hazardous substance isolation operation room and enters a ditch, cable trench, or equipment operating in a hazardous area, harmful gas or liquid vapors must be detected.
Circuit inspection: When testing for safety and health, it is necessary to detect harmful gases or liquid vapors.
Dangerous chemicals should strengthen safety management, improve safety measures, and control hidden dangers of accidents. However, it is impossible to achieve absolute security and there will still be a situation of loss. Therefore, it is very necessary to detect and alert for hidden accidents and detect and alarm harmful gases or liquids (vapors) in hazardous chemical sites. It is of great importance to avoiding and controlling accidents.
Filler Separation Element
Corrugated orifice plate structural filler
Structured filler is a type of filler arranged and stacked in a uniform geometric shape within the tower. The geometric shape of the entire tower section is regular, symmetrical, and uniform, and the gas-liquid flow path is clear, reducing channel flow and wall flow phenomena, and the pressure drop can be very small. At the same energy cost and pressure drop, it can provide a larger specific surface area than random fillers, and achieve higher mass and heat transfer efficiency at the same volume. Meanwhile, due to the uniformity, regularity, and symmetry of its structure, when it has the same specific surface area as random packing, its porosity and flux are greater, and its comprehensive processing capacity is much greater than that of tray towers and random filler towers. After careful design, manufacturing, installation, and operation of tower components (such as gas-liquid distributors), the industrial amplification effect is not significant. In recent decades, structured fillers have been widely used in many towers in fields such as fine chemical, spice, refining, fertilizer, and petrochemical industries.
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