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Manufacturing Technology Insights | Tuesday, April 04, 2023
Industrial filtration is an important process as it prevents equipment from being worn down by particles, prevents harmful contaminants from entering equipment, and purifies air and gas streams by removing contaminants.
FREMONT, CA: By passing through filtering media or devices, substances such as dust, dirt, electronic signals, etc., are removed. A filter can be used to filter air, gases, fluids, and electrical and optical phenomena. The purpose of air filters is to clean the air. Filters remove debris from fluids. Hydraulic filters remove contaminants from hydraulic fluids, while fuel filters remove contaminants from fuel. It is not just for drinking and swimming that water filters are used, but also for water treatment plants. In industrial filtration, these different types of filters are used to filter gases or fluids.
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The Importance of Industrial Filtration is as follows:
The purpose of industrial filtration processes is to prevent particles from wearing down equipment by removing them from air or fluid. As a result of abrasive wear, particles become harder than the parent surface and, if not removed by proper filtration, cause additional wear.
Industrial filtration is also important because water contamination in oil can cause a fluid breakdown, accelerate metal surface fatigue, reduce lubricating film thickness, corrode components, and cause the insulation to lose its dielectric strength.
Water contamination is caused by heat exchanger leaks, inadequate reservoir covers, seal leaks, condensation of humid air, and temperature drops, which cause dissolved water to become free water. Components and oils are degraded by free and dissolved water. Ensuring product integrity and safety in manufacturing environments is necessary by utilizing industrial filtration systems. In addition to protecting process equipment, filtration systems maximize uptime.
A Step-by-Step Guide to Filtration is elaborated below:
In industrial filtration systems, water sourced from natural sources or industrial sources typically passes through a screen. In addition to preventing clogs or disruptions in the purification process, this step keeps large materials out of the water system.
In the second step, chemicals are usually added to the water to be treated. There is a formation of small, sticky particles called flocs. By attracting larger and larger particles, this floc will either sink to the bottom of the floc tank for conveyor removal or rise to the top for skimming.
In most industrial water purification systems, filtration is a crucial part of the process. Water is pumped through multiple filters, leaving accumulated floc behind in the filtration media. A filter made of cloth, crushed black walnut shell (BWS or NSF), sand, or carbon traps and removes even more particulates from water.
The now-filtered water is then pumped into a closed tank. Bacteria and other microorganisms that survive the filtration process are then destroyed with disinfectant chemicals such as chlorine. During this stage, ultrafiltration (filters with pores smaller than 0.2 microns), ultraviolet light (UV), or reverse osmosis (RO) may also be used.
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