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Technical Analysis of Demister Product Efficiency
Release time:
Aug 25,2025
[Summary]In industrial flue gas treatment systems, the efficiency parameters of demisters directly influence equipment selection decisions. According to current industry practices, the product efficiency provided by demister manufacturers typically ranges from 95% to 99.5%, with the specific value depending on the equipment type, operating conditions, and testing standards.
In industrial flue gas treatment systems, the efficiency parameters of demisters directly influence equipment selection decisions. According to current industry practices, the product efficiency provided by demister manufacturers typically ranges from 95% to 99.5%, with the specific value depending on the equipment type, operating conditions, and testing standards.
Analysis of Factors Affecting Efficiency
The roof-type mist eliminator can achieve a droplet separation efficiency of 96% to 98% under typical flue gas conditions. Its multi-layer corrugated plate structure effectively captures mist droplets larger than 20 microns. The baffle-type mist eliminator, thanks to its specially designed airflow channels, can achieve a particle capture efficiency of around 98.5% for particles larger than 50 microns. In actual operation, factors such as flue gas velocity, droplet size distribution, and equipment pressure drop can cause fluctuations in the final efficiency of ±1.5%.
Testing Methods and Standard References
The industry generally adopts the ISO 29461-1 standard for efficiency testing, with efficiency calculated based on the difference in particulate matter concentrations upstream and downstream. It’s important to note that the efficiency ratings provided by manufacturers typically refer to ideal laboratory conditions; factors such as installation angle deviations and equipment aging can lead to a reduction in actual efficiency by 2% to 3%.
Selection Recommendations
In the petrochemical industry, enhanced mist eliminators with an efficiency of ≥98% are commonly preferred. However, in the power industry, due to differences in flue gas characteristics, products with an efficiency of 97% can already meet typical requirements. It is recommended that, when making a purchase, you ask the manufacturer to provide a third-party testing report and clearly specify the boundary conditions used during testing, such as gas flow rate and temperature.
Keywords:
Defogger manufacturer
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