The application of electromagnetic flow meter scale in papermaking pulp industry

Abstract: the electromagnetic flow meter scale application in papermaking pulp industry information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. With the acceleration of China's industrialization, environmental pollution is increasingly serious, society of sustainable development is becoming more and more high, the concept of harmonious coexistence between man and nature to accept by people, to all sorts of pollution of more urgent. The application and effect. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the application of electromagnetic flow meter scale in papermaking pulp industry article details. With the acceleration of China's industrialization, environmental pollution is increasingly serious, society of sustainable development is becoming more and more high, the concept of harmonious coexistence between man and nature to accept by people, to all sorts of pollution of more urgent. Application and effect of wastewater treatment process is mainly through the biological oxidation, flocculation, sedimentation process to achieve the purpose of sewage purification, such as in each stage needs certain flow meter to measure. In the wastewater treatment process, must according to the technological requirements, configure corresponding detection instrument, constitute a reliable control system. A water treatment plant is equipped with a flow meter in the following process detection process: 1 inlet pipe; At the beginning of 2 pond to mud quantity detection for mud pools; 3 sludge pump room, remaining sludge flow detection; 4 sludge pump reflux sludge flow detection; 5 the second pond with water out of the water flow detection; 6 digester into mud quantity detection; The quantity of mud digester detection; 8 flocculation pool medicament into quantity detection and so on. Because in the wastewater treatment process, need to discharge measure and control, additives, such as sludge, so the flow measurement is very important. 1. Electromagnetic flowmeter features of electromagnetic flowmeter is not affected by the influence of external factors such as temperature, pressure, viscosity, measurements of the interior of the tube without shrinkage or bulge caused by the pressure loss, in addition, the flow element to detect the signal at the beginning of zui is an average flow velocity and fluid into precise linear change voltage, it has nothing to do with the other properties of the fluid, has great superiority. According to the change of sewage flow, containing impurities, corrosive small, have certain features such as conductive ability, measure sewage flow, the electromagnetic flowmeter is a good choice. Its compact structure, small volume. Installation, operation and maintenance convenience, measurement system using intelligent design, the overall sealing, can work normally under the harsh environment. And vortex street flowmeter due to technical reasons, the diameter is difficult to do big, quality, pipeline lacks competitive advantage in price relative to the electromagnetic ultrasonic flowmeter. So in water and wastewater industry, electromagnetic flowmeter, especially large diameter electromagnetic flowmeter has great advantages, has been very widely used. TKLD series electromagnetic flowmeter powerful, simple operation, the characteristics of the specific as follows: 1 measuring pipe unimpeded flow components, without the loss of pressure, bottom straight pipe requirements. 2 lining has a hard rubber, polyurethane, PTFE, PFA and other materials to choose from. 3 transmitter of dc power supply/ac power supply, four wire/two wire system, explosion-proof/non explosion-proof, economical/standard segmentation meet your different needs. 4 measurement is not affected by fluid density, viscosity, pressure, temperature, the influence of the conductivity changes. 5 the photosensitive key, can avoid open operation; Chinese menu, according to the use of more convenient domestic users. 6 set menu quickly, guide for parameter setting, convenient and quick. Measurement of high reliability, good repeatability and long-term maintenance free. Range than 1000:18 provide current, frequency, pulse, Hart and profibus - PA，profibus- DP, FF, etc all kinds of output way choice. 2. The working principle of electromagnetic flowmeter measurement principle is based on Faraday's law of electromagnetic induction. When the conductive metal rod with a certain speed in vertical direction of the magnetic field lines exercise, the induced voltage is produced. In the electromagnetic flowmeter, the measuring tube conductive medium is equivalent to conducting metal rods in the Faraday experiment, up and down at the ends of the two electromagnetic coils generate constant magnetic field. When conducting medium flows, the induced voltage is produced. The inside of the pipe induced voltage produced two electrodes are measured. Measuring pipeline through non-conductive lined with rubber, such as teflon with fluid and measuring electrode electromagnetic isolation. Assumes that the electromagnetic induction coil produces magnetic field strength B is constant, the induced voltage Ue is proportional to fluid velocity v, pipeline cross-sectional area A is known, the volume flow Qv can be calculated by the following formula: electromagnetic flowmeter is made up of two most flow sensor and transmitter. Sensor tube fitted with excitation coil, excitation current to produce magnetic field through the measuring tube, a pair of electrodes in measuring tube wall in contact with the liquid phase, which leads to the induction electric potential, sent to the transmitter. The excitation current was provided by the transmitter. According to the transmitter and sensor assembly way classification, which has two kinds of separation type and size. In the sewage treatment technology of large diameter flowmeter are separation, part is installed on the ground, the other part on the ground.

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