Vortex Flowmeters in High-Temperature Steam: Practical Selection & Testing Guide

The causes of faults in the on-site metering system of the steam flowmeter can be summarized into two major reasons: one is caused by the flowmeter or its related equipment; The second reason is not related to the flowmeter, that is, the flowmeter is normal, but the fault is caused by environmental or system reasons.

In modern industrial production, efficient and accurate flow measurement is the key to ensuring process stability and improving energy efficiency management. Vortex flowmeters, with their advantages of simple structure, high reliability and wide application range, have become the “main force” in flow monitoring in industries such as petrochemicals, energy and power, metallurgy and pharmaceuticals, providing solid support for the intelligent upgrade of industry.

In the field of flow measurement, choosing the wrong vortex flowmeter not only leads to measurement errors but also results in continuous waste of production costs and a nightmare for equipment maintenance. Mastering these key points for selection will help you avoid common pitfalls.

There are various types of flowmeters for measuring nitrogen, and each type has its specific application scenarios and advantages. The following are some common nitrogen flowmeters:

Vortex flowmeters are versatile instruments commonly used in various industries for fluid flow measurement. Here are some applications of vortex flowmeters in different industries:

In the selection process of the vortex flow meter, in addition to the selection of a high-precision type in a comprehensive consideration of the demand, other accessories of the vortex flow meter are also very important, such as the selection of flow transmitters, the selection of compensatory pressure transmitters, and so on.

Vortex flow meters find diverse applications across industries where accurate measurement and monitoring of fluid flow are critical. One prominent use is in the oil and gas sector, where vortex flow meters are employed to measure the flow rates of various hydrocarbons. These meters excel in handling the challenges posed by the varying viscosities and temperatures of oil and gas, providing reliable measurements for custody transfer, production monitoring, and process optimization.

Many owners will occasionally encounter that the vortex flowmeter does not have a flow display when using the vortex flowmeter. For this situation, Aister gives the following treatment methods:

Vortex flowmeter is a kind of flow measuring instrument widely used in the industrial field. Its superior performance and versatility make it play an important role in the measurement of liquid and gas medium. Vortex flowmeter can not only measure a variety of liquid media, but also suitable for a variety of gases, providing reliable flow data support for industrial production and process control.

In the field of industrial gas flow measurement, vortex flowmeters, with their simple structure, high stability and wide application range, have become the ideal choice for monitoring the flow of various gases such as natural gas, steam and compressed air. Based on the Karman vortex street principle, it calculates the flow rate by detecting the vortex frequency generated when the fluid passes through the blocking fluid, and can achieve high-precision measurement without temperature and pressure compensation. The following is an analysis of the typical applications and technical advantages of vortex flowmeters in gas measurement.

Compressed air is generated by air compressor or high pressure fan. When these devices are in operation, they all have varying degrees of vibration, and sometimes the vibration is relatively strong, and this vibration is transmitted through the connecting pipe.

1, pulse vortex flowmeter is a kind of high measurement accuracy, simple installation, small maintenance, a wide range of meters, is currently widely used in petrochemical, metallurgy, textile, urban construction, energy and other industries.

Nominal diameter: DN15～DN300mm
Accuracy: liquid ±1.0%, gas (steam) ±1.5%, plug-in ±2.5%
Structure form: Integrated, split, temperature and pressure compensation
Applicable medium: liquid, gas, saturated steam, superheated steam

When the vortex flowmeter has no liquid flow in the pipeline, the receiver counts abnormally due to the noise generated by the pipeline vibration, and the sensitivity of the instrument should be adjusted.

The installation of the vortex flowmeter has different provisions, used to measure different measured media, different positions, then the installation method is not the same, the attention point is different, generally speaking, the vortex flowmeter has the following specified points:

As a very special medium, steam will show special phenomena and problems in the process of vortex flowmeter measurement. The key problem is that the vapor density value deviates too much from the design value, which brings significant measurement errors to the measurement results. At present, the mature density measuring instrument has not been successfully applied, which brings certain difficulties to the steam flow measurement.

The structure of the vortex flowmeter is relatively simple, only the sensor and the display instrument are composed of two parts, and the measurement accuracy and stability are also relatively stable.

Vortex flowmeter is used by many industries for its simple structure, small maintenance, constant accuracy, easy operation and wide application range.

Vortex flowmeter is a new flowmeter successfully developed on the basis of Karman vortex principle. Vortex flowmeter is suitable for measuring the mass flow and volume flow of superheated steam, saturated steam, compressed air, general gas, water and low corrosive liquid. How to ensure the accuracy of vortex flowmeter measurement during installation?

Vortex flowmeter is mainly used for the flow measurement of industrial pipeline medium fluids, such as gas, liquid, steam and other media. There are special phenomena and problems in the process of measurement. One of the key problems is that the vapor density value deviates too much from the design value, which brings significant measurement errors to the measurement results. At present, the density measurement instrument with mature technology has not been successfully applied, which brings certain difficulties to the steam flow measurement.

1. There is fluid flow in the pipeline after power-on, but no signal output

In industrial process control, energy measurement and gas/liquid flow monitoring, vortex flowmeters have become an important choice for flow measurement due to their advantages such as simple structure, wide range and high stability. However, in the face of different working conditions and application requirements, how to make the correct selection is of vital importance. This article will start from the key parameters to provide you with a detailed analysis of the selection points of vortex flowmeters, helping you achieve the best configuration.

Vortex flowmeter is widely used because of its wide range, small pressure loss, medium accuracy, linear output, no moving parts, high reliability, small maintenance, medium low price, relatively high performance and price characteristics.

5 main points of vortex flow meter selection

Vortex flowmeters are widely used in the measurement of steam, gas and liquid flow due to their advantages such as simple structure, good stability and wide range ratio. However, its measurement accuracy is closely related to the characteristics of the medium. If the medium does not meet the requirements, it may lead to measurement errors or even damage to the instrument. This article will conduct a detailed analysis of the key requirements of vortex flowmeters for the measured medium, assisting users in correct selection and application.

At present, there are many misunderstandings about steam measurement in China, and many users often think that buying a high-price flowmeter can get accurate measurement results. The measurement of steam is different from other fluids such as water, air and other media, and there are many factors affecting its measurement in the actual measurement. Therefore, there is often a phenomenon that the flow meter itself is qualified, but the actual measurement is not “allowed”. So what’s the problem with these factors?

In the process of using the steam flowmeter, we may encounter some minor failures, do not panic after the problem, find out how to deal with is the key. The following introduces several common faults of steam flowmeters and their solutions.

Reliability is a hallmark of vortex flow meters, as they exhibit robust performance in harsh operating conditions. Their simple yet sturdy design, often featuring no moving parts, results in minimal maintenance requirements and increased longevity. This reliability is particularly crucial in industries where consistent and accurate flow measurement is essential for process control and optimization.

In the field of modern industrial flow measurement, vortex flowmeters, with their unique advantages, have become an important choice for industries such as petroleum, chemical engineering, power, metallurgy, and heating. So, why can it be applied so widely? We will conduct an in-depth analysis from its working principle, performance characteristics and applicable scenarios.

Vortex flowmeter is also known as Karman vortex flowmeter. It is a separation flowmeter made of the principle of natural oscillation of fluid. When a fluid flows at a sufficiently large velocity through an object perpendicular to the direction of the fluid, if the object is of appropriate size, it will produce a neatly aligned and reversed vortex train behind the object along two parallel lines.