Hydraulic oil filter of SINOTRUK HOWO 611600070119

1. Adsorption capacity:
    For a certain gas, the maximum amount of activated carbon can be adsorbed per unit mass is called "adsorption capacity". Different activated carbon materials or adsorption of different gases, adsorption capacity is different. In order to determine the adsorption capacity of the filter, we should understand: pollutant type, pollutant concentration, air flow temperature, relative humidity.

2. Filter Rate:
    The filtration rate refers to the airflow speed through the surface of the adsorbed material. Under the condition of specific filter structure, the filter speed is low, the contact time between gas and activated carbon is long, and the adsorption efficiency is high. When the user uses the activated carbon filter, the filter speed (that is, the filter air volume) should be reasonably selected.

3. Service life:
    In use, the adsorption efficiency of activated carbon is continuously reduced, and when the concentration of harmful gases downstream of the filter reaches the maximum allowable value, the filter needs to be replaced. The service life of activated carbon filter is related to many factors, such as pollutant concentration, temperature, humidity, filter air volume, and activated carbon. In the case of other factors, the amount of activated carbon determines the service life of the filter.

4. Filter replacement:
    Monitoring the pollutant concentration changes before and after the filter can determine whether the filter should be replaced. But at present, there is no simple and practical monitoring means in China. Therefore, the user should determine the service life of the activated carbon filter according to the specified cycle or by experience.

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