Abstract: scale vortex flowmeter in the measurement of coke oven gas output signal is not stable when the cause and the solution to what information is produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Also called vortex flowmeter vortex flowmeter or karman vortex street flowmeter. Comprehensive developed countries to absorb advanced technology and summarizes the research and production experience for many years on the basis of the careful design of products, realize the intelligent products, standardization, seriation, generalization. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a scale vortex flowmeter in coke oven gas measurement output signal is not stable when the cause and the solution to what the article details. Also called vortex flowmeter vortex flowmeter or karman vortex street flowmeter. Comprehensive developed countries to absorb advanced technology and summarizes the research and production experience for many years on the basis of the careful design of the product, realizes the intelligent products, standardization, the seriation, generalization, the production of the beautiful sex of mold, to ensure product quality. The product has advanced circuit, micro power consumption is low, than a wide range, simple structure, small resistance loss, strong and durable, widely used, long service life, stable performance, easy installation and debugging, etc. Vortex street flowmeter measurement of coke oven gas, the output signal is not stable for the following reasons: 1, the vortex street flowmeter 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 the change of 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. 2, coke oven gas as the factory when the temperature is high, the humidity is big, so the water in the process of gas transmission will exist. Gas flow reciprocating drive moisture fluctuations, thus forming a pulsating flow. Vortex flow sensor output data in this fluid state large and small, cannot reflect the status of production. 3, due to the impurities of coke oven gas, 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 data is not stable. 4, instrument line pressing false wiring process, resulting in intermittent transmission in the process of signal. 5, 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 signals. Solution: 1, in the process of instrument installation, connection, shall ensure the accuracy and correctness of each link, including before installation on the investigation to the scene, the installation process instrumentation wiring, system grounding line, etc. , to ensure that the real data and be able to accurately detected output. 2, for the running of the measurement system can be used & other; Contrast to confirm & throughout; Methods, as well as & other; Alternative method & throughout; To identify and eliminate running measuring instrument malfunction. 3, regular to overall instrument cleaning, when necessary to purge of sensing head part of the instrument, avoid impurities in the condensation on the top of the sensor. Cold season in the straight section of measurement and instrument parts and heating device is beneficial to alleviate the impurities in the measuring instrument of condensate. 4, drainage pipe on a regular basis, especially in front of the straight pipe water vortex flowmeter, according to the specific circumstances set specialist emissions on a regular basis, as far as possible reduce the moisture in the metering section, zui big limit rule out of the fluid pulsation. 5, strengthen the management of data measuring system, set up the timing print function, according to the print data combining with the production situation analysis of the operation of the instrument. Haynes automation instrument is a company specializing in the production of electromagnetic flowmeter, turbine flowmeter, vortex flowmeter, magnetic flap liquid level meter, thermocouple, heat resistance, bimetallic thermometer and all kinds of pressure gauges, etc. , as well as the production of various non-standard meter manufacturers, the company has advanced management level, the modernization of professional production equipment, precision calibration device. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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There are different types of , mainly vortex flow meter manufacturer and coriolis density meter.

Abstract: to teach you how to install the clip type ultrasonic flow meter scale information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Outer clamp type ultrasonic flow meter because of its operation is simple and convenient installation is well accepted by customers. In use some friends know about its installation is not very often. Followed st the aid technology below small make up together to look at. A, external clip-on ultrasonic. More flow meter manufacturers choose model price quote you are welcome to inquire, here is to teach you how to install the clip type ultrasonic flow meter scale article details. Outer clamp type ultrasonic flow meter because of its operation is simple and convenient installation is well accepted by customers. In use some friends know about its installation is not very often. Followed st the aid technology below small make up together to look at. One, outside the clamp type ultrasonic flowmeter installation is very convenient, the benefits of the flowmeter will not cause any damage to pipeline, also do not need to stop, can be easily installed. Have no moving parts, compared with the traditional flowmeter, high reliability. St fittings factory of flowmeter equipped to the support, the scene can be installed directly, daily maintenance quantity is not big, measurement data is accurate. With the rapid development of modern digital technology, and the clamp type ultrasonic flowmeter measurement is becoming more and more accurate more and more stable. Second, outer clamp type ultrasonic flowmeter installation of outer clamp type sensor point two, divided into sensors upstream and downstream sensors. In dealing with the two mounting points, a processing area of the installation points and the sensor size, and the other a processing area of the installation points should be about 2 times the size of sensor area ( To install the point as the center) In order to debug the signal. Will first tube for sensor installation area clean, remove rust and paint. Rust layer should also be removed, if any, to use the machine polishing metallic luster, and then use clean cloth to wipe the grease and dirt. Installation steps: 1, before installation with matching first measured pipeline girth, tape measure and calculate the pipe diameter. 2, open the host input keys M11 into a window, to calculate the diameter of the input host, press down arrow flip enter the wall thickness, continue to turn the page until m2-m24 window, window of the corresponding input parameters and options. This parameter is set is completed. 3, enter the M25 window for installation of sensors, sensor installation according to the distance. Will clean the pipe before 4, installation of sensors, coupling agent coated on the surface of the sensor to launch after placed on pipeline, good connection signal lines. 5, debug host liquid filled tube, determine the pipe before enter M91 window for transfer time than that in 100% & plusmn; Is the normal 3% scope, or check the input parameters or installation of sensors. Enter the M90 window to check the signal strength and signal quality Q value, upstream and downstream signal strength above 60, Q value above 75, instrument can work normally. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
In an age when mass flow meter is increasingly important, the researchers believe manufacturers should pay close attention to their results.
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Technical requirements for measuring natural gas by precession vortex flowmeter 1. Requirements for gas flow conditions (1) The gas to be measured should be a single-phase, circular tube flow that continuously flows through the pipeline. (2) Before the gas flows through the flowmeter, its flow velocity must be parallel to the axis of the pipeline, and there must be no vortex flow. (3) The airflow should be subsonic and non-pulsating, and its flow rate changes slowly with time. 2. Installation requirements for flow meters This kind of instrument does not have too many special requirements for process installation and use environment, but any type of flow measurement instrument has such a commonality, that is, to avoid vibration and high temperature environment as far as possible. Interfering components (such as compressors, separators, pressure regulating valves, large and small heads, manifolds, elbows, etc.), keep the inner wall of the straight pipe section before and after the instrument smooth and straight, and ensure that the measured medium is a clean single-phase fluid, etc. 3. Matters needing attention in the installation and use of the flowmeter The precession vortex flowmeter has no mechanical moving parts, is small in size, has corrosion resistance, and has stable performance; it can directly display the working pressure, temperature, flow rate of the medium and the gas volume in the standard state; range With the advantages of wide range and small measurement error, it has been widely used in the production measurement of oil and gas wells and the sales measurement of natural gas. In field applications over the years, we believe that this flowmeter is most suitable for relatively clean dry gas measurement, and has gradually become the first choice for small and medium gas measurement. In order to ensure the accurate measurement of the precession vortex flowmeter and reduce the measurement error, please pay attention: (1) If the model selection is reasonable, do not make the actual minimum flow rate QVmin lower than the lower limit of the flow range of the selected diameter flowmeter. (2) There should be at least a 10D length of straight metering pipe upstream of the correct flowmeter. The inner wall of the straight pipe section should be smooth, and there should be no steps. The welding seam of the connecting flange should be smoothed, and the flange gasket should not protrude into the pipeline. The installation direction of the flowmeter cannot be reversed. Tests have proved that all unreasonable installations will result in a low flow meter measurement value. (3) Keep away from the vibration source, or install piers upstream and downstream of the flowmeter to avoid the influence of pipeline vibration. Avoid the interference of the strong magnetic field to the flowmeter chip. (4) The gas is relatively clean, especially the liquid-gas two-phase flow cannot occur; when the gas is dirty, the flowmeter should be cleaned immediately. (5) To reduce the influence of airflow pulsation, a buffer tank can be installed in front of the flowmeter, or the length of the straight pipe section upstream of the flowmeter can be lengthened. (6) Carry out measurement and verification of the flowmeter in time to ensure the accurate and reliable measurement value.
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Beijing Sincerity Automatic Equipment Co., Ltd’s mission is to use our extensive mass flow meter experience to deliver tangible business results enabling our clients in industry and government to profit from the advanced use of technology. We strive to build long-term client relationships based on mutual trust and respect.
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We sells mass flow meter and focus on operational procedure and manufacturing facilities electromagnetic flow meter slurry.

Abstract: The research information of flow meter in sewage flow measurement is provided by excellent flow meter and flow meter manufacturers. Abstract: The environmental protection industry has higher and higher requirements on the accuracy and reliability of sewage flow measurement and control. This article introduces the selection and design of several types of flowmeters such as electromagnetic, vortex, and throttle flowmeters. Combined with water treatment Craft, from both theoretical and practical aspects. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following is the details of the research article on flowmeters in sewage flow measurement. The environmental protection industry has higher and higher requirements for the accuracy and reliability of the measurement and control of sewage flow. The characteristics of each are expounded from both theoretical and practical aspects. Subject words: flowmeter measurement of sewage selection, a foreign flow expert F.C.Kinghoro once said that flowmeter is one of the few types of viscous friction that is more difficult to use than to manufacture, and also produces unstable vortex and secondary flow and other complex flow phenomena . The measuring instrument itself is affected by many factors, such as: pipeline, diameter size, shape (circle, rectangle), boundary conditions, physical properties of the medium (temperature, pressure, density, viscosity, dirt, corrosiveness, etc.), fluid flow state (turbulent flow state, velocity distribution, etc.) and the influence of installation conditions and levels. In the face of more than a dozen types and hundreds of varieties of flow meters at home and abroad (the types of volumetric, differential pressure, turbine, area, electromagnetic, ultrasonic and thermal flowmeters developed successively), how to Reasonable selection of factors such as flow state, installation requirements, environmental conditions, and economy is the premise and basis for the application of flow meters. In addition to ensuring the quality of the instrument itself, it is also very important to provide process data and whether the installation, use and maintenance of the instrument are reasonable. This paper introduces the selection and design of several types of flowmeters such as electromagnetic, vortex, and throttle. 1. Electromagnetic flowmeter selection and design Since the first industrial application in China in the late 1950s, electromagnetic flowmeters have been used and developed rapidly in flow measurement in the 1970s and 1980s. The working principle of electromagnetic flowmeter is based on Faraday's law of electromagnetic induction, that is, the measured medium flows perpendicular to the direction of the magnetic field lines, so an induced electromotive force EX is generated in the direction perpendicular to both the medium flow and the magnetic field lines. ), the electromagnetic flowmeter is not affected by external factors such as temperature, pressure, viscosity, and gravity, and there is no shrinkage or pressure loss in the protruding part inside the measuring tube. In addition, the initial signal detected by the flow element is an average of the fluid. The flow rate is a voltage that changes accurately and linearly, which is independent of other properties of the fluid and has great advantages. According to the characteristics of sewage with large flow changes, impurities, low corrosiveness, and certain electrical conductivity, electromagnetic flowmeters are a good choice for measuring the flow of sewage. It has compact structure, small volume, convenient installation, operation and maintenance. For example, the measuring system adopts intelligent design and the overall sealing is strengthened, so that it can work normally in harsh environments. The electromagnetic flowmeter with neoprene lining and molybdenum-containing stainless steel (OCrI8Ni12Mo2Ti) electrode can be selected to meet the requirements of sewage flow measurement. During the production of a smelter, a large amount of industrial sewage will be generated due to the needs of the production process, and the sewage treatment plant must monitor the flow of sewage. In the previous design, many flow meters used vortex flowmeters and orifice flowmeters. In practical application, it is found that the deviation between the measured flow display value and the actual flow is large, and the deviation of the electromagnetic flowmeter is greatly reduced. 2. Vortex flowmeter selection and design As a new type of flowmeter, vortex flowmeter has developed rapidly since the mid-1980s. It has many advantages and advantages in flow measurement, and is more and more widely used in modern flow measurement. . The use of vortex flowmeters for flow measurement in my country has also been paid more and more attention. At present, there are product series with excellent performance and independent intellectual property rights in China.
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