When used in solid-liquid and liquid-liquid separation applications filters serve a critical function to ensure process quality and repeatability. Whether it could remove the particulates that can damage equipment or remove water from fuel to extend system service life is very important. Improper filter design and filter media selection can result in catastrophic failure.
The concept that filters have a specific "DNA" may seem odd but just as Deoxyribonucleic Acid ("DNA') defines the nature of the human body, there is a "DNA" associated with a filter that defines how it will perform. Filters are used to separate many different particles and liquids. The effectiveness and efficiency of filters can be determined by laboratory testing before expensive plant modifications are made for real world use. For instance, most filters and filter media have an "unloading point" that is a measureable differential pressure at which filters release trapped contaminants downstream. The correct testing can find these "unloading points". These released downstream particulates can erode or ruin an engine, cause scrap in food and beverage processing, or may even seize mechanical system components. Even before the burst point where the particulates downstream increase, due to change in pressure or other external conditions, can still destroy the system. Each filter has its own attributes and to determine them you need to consider multiple tests to define the "DNA" of a filter.
The testing to determine the "DNA" of a filter is much more inclusive than simple initial efficiency, mean pore flow or bubble point testing techniques. While these provide a good starting point, “DNA” testing is more holistic than the above-mentioned tests that provide only one small detail about the filter. The idea of knowing more about a filter is essential in determining where the filter would perform the best and where it will perform the worst. “DNA” tests using international standards provide results that are repeatable and allow “apple to apple” comparison with other filters and their applications.
The “DNA” of a filter is formed from the results of various tests depending on the process application.
The tests that help form the “DNA” of the filter include:
当你使用固液分离或者液液分离过滤器来服务于挑剔的工况以确保质量和重复性的时候。是否能够有效地过滤掉可能损坏设备的杂质颗粒或者是否从燃油里去除水分以延长系统服务时间是非常重要的，不恰当的过滤器器设计和滤材的选择将可能导致灾难性的失效。