Why is the quality of water produced by small and medium-sized industrial pure water treatment equip

Why is the quality of water produced by small and medium-sized industrial pure water treatment equipment unstable?

by:Ocpuritech     2021-06-18
Why small and medium industrial pure water treatment equipment product water quality is unstable Author:? Some users reflected in the use of small and medium industrial pure water treatment equipment product water quality appeared unstable situation after a period of use, is this why What? Why is the quality of water produced by small and medium-sized industrial pure water treatment equipment unstable? 1. Temperature When the small and medium-sized industrial pure water treatment equipment is working and filtering, the suspension temperature is low, the viscosity is high, and the filtering speed is slow. The viscosity of a liquid is an exponential function of temperature, and it decreases significantly with increasing temperature. Increasing temperature is the simplest and most effective measure to reduce viscosity, but if the temperature is too high, it is easy to oxidize the grease, and the crude oil filtration temperature generally does not exceed 70 degrees. 2. Operating pressure of small and medium-sized industrial pure water treatment equipment Most of the impurities in crude oil are incompressible impurities, with strong operating pressure and high filtration rate. If the solid substance suspended in the oil is composed of colloidal substances, then as the pressure increases, the voids in the filter cake become smaller, the filtration resistance gradually increases, and the filtration speed drops rapidly, so the pressure must be determined according to different conditions. 3. The concentration of the suspension is large and the filter residue is large, so that the effective filtration time in each operation cycle of intermittent production is correspondingly shortened, which affects the output. For the operation of a continuous vacuum filter, the filter cake produced when the concentration is higher is more uniform, and it is easy to clean up in time, which has little effect on the output. For suspensions containing more colloidal particles, adding filter aids can effectively increase the filtration rate. Especially for some limited by the process, the pure water equipment can not use the suspension system of increased temperature filtration, and the application of filter aid is of great significance. If you want to use the leaching oil to make edible phospholipids, you must add diatomaceous earth as a filter aid. When dewaxing and fractionation, you must filter at a lower temperature. The effect of the filter aid is more obvious. The above several situations are likely to cause unstable water quality of small and medium-sized industrial pure water treatment equipment. Users should pay special attention to control their working conditions during the application of small and medium-sized industrial pure water treatment equipment.
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