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technical article
Principle and application of steam vortex flowmeter
2012-1-12 10:11:31

The steam flowmeter can be called a gas flowmeter or a steam vortex flowmeter


采用压电应力式传感器,可靠性高,可在-25℃~+250℃的工作温度范围内工作。 The LY-LUGB vortex flowmeter uses a piezoelectric stress sensor with high reliability and can work in the working temperature range of -25 ° C to + 250 ° C. There are analog standard signals and digital pulse signals

The output is easy to be used with digital systems such as computers. It is a relatively advanced and ideal flow meter. Lianyi Automatic Control specializes in steam flow meters. It is widely used in steam and gas flow measurement and is a professional steam flow meter.

Manufacturers, welcome to call us for the price of steam flowmeter

principle

便是依据卡门旋涡原理进行封闭管道流体流量测量的新型流量计。 The steam vortex flowmeter is a new type of flowmeter for measuring fluid flow in closed pipes based on the Carmen vortex principle. Due to its good media adaptability, direct measurement without temperature and pressure compensation

Steam, air, gas, water, liquid working condition volume flow, equipped with temperature and pressure sensors can measure standard volume flow and mass flow. It is an ideal substitute for throttling flow meters.


In order to improve the high temperature resistance and vibration resistance of the steam flowmeter, our company has recently developed an HLUG improved vortex flow sensor. Due to its unique structure and selection of materials, the sensor can be used at high temperatures (350 ° C),

Use under severe working conditions with strong vibration (≤1g).

It is designed based on the principle that the fluid will oscillate when flowing under certain conditions, and the frequency of the oscillation is proportional to the flow velocity. When the flow cross-section is constant, the flow velocity is directly proportional to the volumetric flow. Therefore, measuring oscillation

Frequency can measure the flow

application

In practical applications, the maximum flow rate is often much lower than the upper limit value of the meter. As the load changes, the minimum flow rate is often lower than the lower limit value of the meter. The meter is not working in its optimal working section.

One problem is usually to reduce the diameter at the measurement site to increase the flow velocity at the measurement site, and choose a smaller diameter instrument to facilitate the measurement of the instrument, but this method of diameter reduction must have a straight length of 15D or more between the reducer and the instrument.

Pipe sections are rectified, making processing and installation inconvenient. The LGZ reducer rectifier developed by our company as a steam flow meter manufacturer with a longitudinal profile of circular arc has multiple functions of rectifying, increasing the flow velocity and changing the velocity distribution.

Its structure size is small, which is only 1/3 of the inner diameter of the process tube. It is integrated with the vortex flowmeter. It does not only need to add another straight pipe section, but also reduces the requirements for the straight pipe section of the process pipe. The installation is very convenient.


计采用微功耗高新技术,采用锂电池供电可不间断运行一年以上,节省了电缆和显示仪表的采购安装 For the convenience of use, the battery-powered local display type steam vortex flowmeter adopts micro power consumption high-tech. It can be operated continuously for more than one year using lithium battery power supply, saving the purchase and installation of cables and display instruments.

Cost, can display instantaneous flow rate, accumulated flow rate, etc. on the spot. 还带有温度传感器,可以直接测量出饱和蒸汽的温度并计算出压力,从而显示饱和蒸汽的质 The temperature-compensated integrated vortex flowmeter also has a temperature sensor, which can directly measure the temperature of the saturated steam and calculate the pressure, thereby displaying the quality of the saturated steam.

量 流。 Volume flow. Temperature and pressure compensation integrated type with temperature and pressure sensors for gas flow measurement can directly measure the temperature and pressure of the gas medium, thereby displaying the standard volume flow of the gas.