Application of electromagnetic flow meter scale in acetic acid production

Abstract: the electromagnetic flow meter scale information in the application of acetic acid production by excellent flow meter, flow meter production factory to provide you with quotation. Used in the production of acetic acid process, has the properties of corrosion resistance of many kinds of high temperature corrosion and corrosive environment complex, most of the acetic acid, measuring equipment, to meet the measured value of the regular place in the process, you need to use the electromagnetic flowmeter, instead. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the electromagnetic flowmeter scale in acetic acid production, the application of article details. Used in the production of acetic acid process, has the properties of corrosion resistance of many kinds of high temperature corrosion and corrosive environment complex, most of the acetic acid, measuring equipment, to meet the measured value of the regular place in the process, you need to use the electromagnetic flowmeter, electromagnetic flowmeter to replace of the flowmeter, some regular maintenance and prior to failure analysis. Acetic acid plant, vortex, turbine, oval gear flowmeter using orifice plate. Many of these shortcomings of flowmeter: easy to wear and corrosion resistance of medium leakage, short service life, maintenance workload is big, it can meet the requirements of production [ 1] It is difficult. Instead, the mobile devices and design a new type of flowmeter, technical modification of the electromagnetic flowmeter. Although there is no does not conform to the requirements of acetic acid production process, which can largely reduce the investment and reduce the strength of the maintenance. In the actual production, we have done a very satisfactory results. Can be all kinds of category classification method, the classification of the composite piping connection of inverter sensors of the classification of the classification, can be classified, the size of the electromagnetic flowmeter, in this article, the stimulation I will introduce classification approach. Excited DC - 。 A small amount of electromagnetic flowmeter, such as those used to measure the flow of the hot liquid mercury only at room temperature and liquid metal sodium and potassium, etc. Pumping power frequency communication. Is not the reason why the excitation power supply high frequency electromagnetic flowmeter is vulnerable to electromagnetic interference of 50 hz, the influence of zero drift, and gradually become a rectangular excitation frequency is low. However, in the measurement of solid - Liquid two phase flow slurry and, because of the low frequency square wave, a glimpse of the peak noise solid occur in the electrode surface, excitation frequency ac meters is able to overcome does not exist the shortcomings still can not use the ac power, the electromagnetic flowmeter, both at home and abroad. The low-frequency rectangular wave excitation type. The stability of the zero point, and the energy consumption of low frequency square wave mode the main incentive model of electromagnetic flowmeter. Three binary zero - waveform Negative - Zero - Binary - negative and positive Actively. The excitation frequency of the electromagnetic flowmeter is set by the user, it is usually small instrument of high frequency and low frequency of large diameter of the instrument. Type two frequency stimulation. Mainly to improve the stability of the device and the response characteristics of waveform excitation current was superimposed on high frequency square wave frequency square wave, overcome the two values and square wave current slurry noise excitation. Electromagnetic flowmeter is based on Faraday's law of electromagnetic induction pipeline flow measurement instrument to measure the volume flow of conducting liquid. Since the members of the electromagnetic flowmeter, it is not part of the pressure loss cannot rotate almost to prevent members of the fluid flow. Due to reasonable choice of the liquid contact measuring electromagnetic flowmeter electrodes and the assembly line as long as they have only electrodes, and lining material, has excellent corrosion resistance, wear resistance [ 2] , level can be easily installed in a vertical direction on the slope, it is possible to install. You can usually reach zero. The measuring accuracy of 5%; 20 minutes 01, from a large range. Can be in operation in the process of electromagnetic flowmeter is not allowed, because failure caused by the various measuring phenomenon occurs, it is generally divided into two categories: electromagnetic flowmeter operation fails. Flow meter itself fails, failure and cause of the damage caused by failure of components, due to the changes of external conditions, for example, unreasonable installation, distortion of the flow through the sedimentary and dirt. Platinum iridium electrodes in flowmeter application situation and prospects in the field of media, there are two methods can be generated from external gas suction gas bubbling liquid or dissolved gases into a free form bubbles in the medium. Because of the output signal of different electrodes, electrode described by bubble, make open flow signal input circuit, when the medium in the presence of large bubbles, instantaneous coverage. To do so, to determine the cause of the fluctuation of reason, magnetic field of the loop current is interrupted, bubbles change, if you cut off the flow meter also showed that fluctuating electromagnetic flowmeter in the prove I can. Higher than normal electrode loop resistance of the resistance value of electromagnetic flowmeter, electromagnetic flowmeter electrode resistance, measured with a multimeter. Electromagnetic flow meter installed in the outside, or high caused by the location of the electromagnetic flowmeter air pipe system, the change of the inlet flow rate of input medium is measured and stored in the gas you point to the pipeline installation location of the installation or set of u-tube zui lower the change of the electromagnetic flowmeter, it is necessary, to replace. To set up the air bag, however, is not easy to modify, in order to solve this kind of situation, in some cases, due to the installation position or diameter electromagnetic flowmeter, exhaust gas is installed you will be able to shoot valve upstream of the flow meter above is all there is in this article, you are welcome to inquire me factory flowmeter selection, quotation, etc.

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