In the operation of the gas vortex flow meter scale in unstable flow how to solve

Abstract: in the operation of the gas vortex flow meter scale in unstable flow how to solve the information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Vortex flowmeter is an extremely versatile flow meter, can be used in almost all gas, liquid and steam flowmeter measurement and control, it is mainly used for industrial piping medium fluid flow measurement, such as gas, liquid and vapor, and other media. Its characteristic. More flow meter manufacturers choose model price quote you are welcome to inquire, here is in the operation of the gas vortex flow meter scale in details how to solve the article flow instability. Vortex flowmeter is an extremely versatile flow meter, can be used in almost all gas, liquid and steam flowmeter measurement and control, it is mainly used for industrial piping medium fluid flow measurement, such as gas, liquid and vapor, and other media. Is characterized by small pressure loss, wide range, high precision, working condition of the measurement volume flow is almost not affected by the fluid density, the influence of the parameters such as pressure, temperature, viscosity. No moving mechanical parts, so high reliability, small amount of maintenance. Instrument parameters can be long-term stability, also has a digital pulse signal output, easy and computer digital systems, such as a more advanced and ideal flow meter in general, after exclusion of flowmeter itself quality problem, most are the problems of installation, for common speed meter, are possible: ( 1) 。 Straight pipe flowmeter before isn't long enough ( Generally is 10 times the pipe diameter) , can't bend, by-pass pipe or other impurities, such as pieces of choke. （ 2) 。 Flow meter is installed in regulating valve upstream. （ 3) 。 Is there a vibration at the scene. （ 4) 。 Flow is too small, can not reach the measured value of the flow meter floor below we the company manufacturers for a specific example of vortex flowmeter, vortex flowmeter in coke oven gas measurement is not stable, the output signal is not stable, several reasons of a vortex flow meter is not suitable for installation in strong vibration occasions is widely known as carriers, but in the case of magnetic field changes frequently, vortex flow sensor can measure the signal output of higher than normal. Practice has proved that in the absence of the gas flow field, when the vortex flow sensor in a changing magnetic field at the instant of the magnetic field changes, vortex flow sensor can sense if a wrong signal and output, when change over, instrument in a steady magnetic field, the instrument will output a normal signal, coke oven gas because of the factory when the temperature is high, the humidity is big, so the water can exist in the process of gas transport. Gas flow reciprocating drive moisture fluctuations, thus forming a pulsating flow. Vortex flow sensor output data in this fluid state large and small, can't reflect the status of production in the process of the three, instrument wiring line pressing untrue, resulting in the transmission of signals in the process of intermittent four, instrument grounding line do not conform to the requirements of the specification, so that the high voltage of 50 hz interference, when the normal signals is higher than the normal output at 50 hz, the opposite will output error signal more than five, because the coke oven gas impurities, easy to crystallization, condensation of impurities in the sensing head, causing metering phrase. At higher temperatures, volatile impurities, increased sensitivity, signal enhancement; Opposite to reduce. Resulting in the unsteady vortex street flowmeter measurement data measured unstable situation when coke oven gas solution ( 1) , in the process of instrument installation, connection, should ensure that every link of the accurate, including before installation on the investigation to the scene, the installation process instrumentation wiring, system grounding line, etc. , to ensure that the detected real data and be able to accurately output ( 2) , measuring system can be used for operation & other; Parallel measurement, compared to confirm & throughout; Methods, as well as & other; Alternative method & throughout; To identify and eliminate malfunction measuring instrument of ( 3) , pressure transmitter, drainage pipe on a regular basis, especially the water before the straight pipe, according to the specific circumstances set up personnel regularly discharge LiangBang instrumentation company's LUGB vortex flowmeter is based on the principle of karman vortex street, main show is in setting the streamlined vortex flow of fluid in the body ( Bluff body) , from the vortex occurs on both sides of the alternated two columns with the rules of the vortex. Is widely used in petroleum, chemical, metallurgical, thermal, textile, paper and other industries of superheated steam and saturated steam, compressed air and gas, water and liquid measurement and control. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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