Clever cleaning electrode main method of electromagnetic flow meter scale is introduced

Abstract: clever cleaning electrode electromagnetic flowmeter scale main ways to introduce information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. If electromagnetic flowmeter measurement of medium to long-term is dirty, so electromagnetic flowmeter in work after period of time, the electrodes can produce scale. When scaling material conductivity and electrical conductivity of the measured medium is not at the same time, there would be a measurement error. Sludge, oil. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a clever cleaning electrode main method of electromagnetic flow meter scale details introduction. If electromagnetic flowmeter measurement of medium to long-term is dirty, so electromagnetic flowmeter in work after period of time, the electrodes can produce scale. When scaling material conductivity and electrical conductivity of the measured medium is not at the same time, there would be a measurement error. Sludge, oil pollution of electrode, also can make the instrument output swing and drift. Therefore, in this case we need regular electrode electromagnetic flowmeter for maintenance and cleaning. 1, to the inorganic pollution, electrode can be immersed in 0. 1 mol/L 30 minutes in dilute hydrochloric acid, clean with water, then immersed in 3. 5 mol/L potassium chloride solution soak for use after 6 hours. 2, 4% hydrogen fluoride solution at 3 ~ 5 s, extracted with distilled water rinse, then at 0. 1 mol/L in hydrochloric acid solution soak for several hours, with distilled water is rinsed clean, calibration. 3, serious pollution formation on the surface of platinum oxide film, can use toothpaste for platinum or gold surface polishing, and then clean with water, then immersed in 3. 5 mol/L potassium chloride solution soak for use after 6 hours. 4, to the organic pollution and pollution of oil film, can use detergent to clean platinum or gold surface with water after cleaning, then immersed in 3. 5 mol/L potassium chloride solution soak for use after 6 hours. Electrode electromagnetic flowmeter cleaning method has the following kinds: 1. Electrochemical methods of metal electrodes in electrochemical phenomena exist in the electrolyte fluid. According to the principle of electrochemistry, electrode electric field and fluid interface, electrode with fluid interface is electrode/fluid and is caused by the electric double layer. For electrodes and fluid interface electric field of the study found that the substance molecules, atoms, or ions adsorption phenomena in the interface has a rich or poor, and found that most of the inorganic anion surface active substances, as the typical ion adsorption rule, and inorganic cationic surface active is small. Therefore the electrochemical cleaning electrode anion adsorption is only considered. Anion adsorption and there is a close relationship between electrode potential and adsorption mainly in charge potential correction of potential range than zero, the electrode surface with opposite sign charge. On the electrode surface with no charge, when the remaining charge density slightly larger, electrostatic repulsion is greater than the adsorption force, anionic quickly stripping, this is the principle of electrochemical cleaning. 2. Machinery QingChuFa QingChuFa is through the electromagnetic flowmeter electrode are installed on the special mechanical structure to realize they cleared. There are two forms: one is to use mechanical abrasion. Made from stainless steel with a thin shaft scraper, through a hollow electrode spatula derivation, fine between shaft and the hollow electrode adopts mechanical seal in order to prevent the outflow of medium, then form the mechanical except the scraper. When rotating thin axis from the outside, scraper to tip plane turning, shave their dirt. This in addition to the scraper can be manually, also can use the automatic shave their fine motor drive shaft. Domestic electromagnetic flowmeter of Chinese and western AnYunYi scraper type electromagnetic flowmeter has this kind of performance, and stable performance, easy to operate. Another is in a tubular electrode, mount away dirt with the steel wire brush, shaft wrapped in sealed & other; O” Form circles, in order to prevent the fluid leaks. The cleaning device often need someone to pull wire brush to clean the electrode, is not very convenient to operate, not xi 'an YunYi scraper type electromagnetic flowmeter is convenient. 3. Ultrasonic cleaning method ultrasonic generator to produce 45 ~ 65 KHZ ultrasonic wave voltage to the electrode, the ultrasonic energy concentrated on the electrodes in contact with the medium, thus the ability of using ultrasound to shatter bilge, achieve the purpose of cleaning. 4. Electric shock tees this method USES ac high voltage to the electrodes and the medium between regularly, usually add 30 ~ 100 v. Because the electrodes are attached, the surface contact resistance, almost focused on attachments the applied voltage, high voltage attachments to breakdown, will then be flow away. Total safety, use electric shocks tees must be interruption of flowmeter measurement, signal lines disconnect between sensor and converter, power outage case ac high voltage directly on the sensor signal output terminal for cleaning. Above, this paper introduces several kinds of electromagnetic flowmeter electrode maintenance and cleaning method, in fact, if we are in the early stage of the selection can be measured after fully considering the medium can produce pollution to the electrode, then you should choose scraper type electromagnetic flow meter, can be very convenient to maintenance and cleaning of electrodes, save a lot of trouble. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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