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CKAS-FLVJ-D Series Vortex Flowmeter


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1. The vortex flowmeter is a flow meter with a wide range of uses, which is used for flow measurement and control of most steam, gas and liquid.
2. The vortex flowmeter has a very unique medium versatility, and its meter coefficient is common to different media.
3. The vortex flowmeter originally forms a signal, and its output frequency has a linear relationship with the flow rate, and there is no zero point drift problem.
4. The vortex flowmeter has a simple structure, no moving parts, low failure rate, and high stability and reliability.
5. The flow measurement system composed of vortex flowmeter is simple, easy to maintain, and has good economy.
6. CKAS-FLV-D series vortex flowmeters use the latest signal processing technology, cooperate with high-performance microprocessors, and special chips for front-end analog signal processing can make the piezoelectric sensor and the interface amplifier circuit well matched and the perfect isolation system in the Stable and reliable real signals are detected in harsh on-site environments, so as to achieve noise reduction, improve anti-interference ability, and realize stable measurement.

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Product Description

Features

working principle

D series vortex flowmeter flow range

Technical Parameters

Product Description

1. The vortex flowmeter is a flow meter with a wide range of uses, which is used for flow measurement and control of most steam, gas and liquid.

2. The vortex flowmeter has a very unique medium versatility, and its meter coefficient is common to different media.

3. The vortex flowmeter originally forms a signal, and its output frequency has a linear relationship with the flow rate, and there is no zero point drift problem.

4. The vortex flowmeter has a simple structure, no moving parts, low failure rate, and high stability and reliability.

5. The flow measurement system composed of vortex flowmeter is simple, easy to maintain, and has good economy.

6. CKAS-FLV-D series vortex flowmeters use the latest signal processing technology, cooperate with high-performance microprocessors, and special chips for front-end analog signal processing can make the piezoelectric sensor and the interface amplifier circuit well matched and the perfect isolation system in the Stable and reliable real signals are detected in harsh on-site environments, so as to achieve noise reduction, improve anti-interference ability, and realize stable measurement.

industry

Widely used in chemical industry, oil and gas, power plant, food and beverage, pharmaceutical, steel and metallurgy, paper industry, water, automobile industry and other related industries.

application

Widely used in the measurement of saturated steam and superheated steam, steam boiler monitoring, steam and hot water heat, industrial gas consumption measurement compressed air system consumption measurement, compressor outlet monitoring, air compressor FAD flow estimation, for food, beverage and pharmaceutical The industry's SIP and CIP processes can be applied to measurements related to SIL2 level safety certification.

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productfeatures

applicationindustry

working principle

The vortex flowmeter is used to measure the gas, steam and liquid in the full pipe state, and the measurement is based on the Karman vortex principle.When the medium flows through the triangular prism at a certain speed, an alternate arrangement of vortex bands is generated behind both sides of the triangular prism, which is called 'Karman vortex'. The pressure pulsation is generated, so that the detection body produces alternating stress, and the piezoelectric element encapsulated in the detection probe body produces an alternation with the same frequency as the vortex under the action of the alternating pressure.

The charge signal is amplified by the pre-amplifier and sent to the intelligent flow calculator for intelligent processing to realize the display of the instantaneous flow and cumulative flow of the fluid and the communication and control of the flow data and the microcomputer system.

Within a certain Reynolds number range (2x10^4~7x10^6), the relationship between the release frequency of the vortex and the fluid velocity V and the width d of the upstream surface of the vortex generator can be expressed by the following formula:

f=Sr·V/d V=fd/Sr

In the formula, f-the release frequency of Karman vortex, Sr-coefficient (called Straw number), V-flow velocity, d-the width of triangular column.The Strouhal number is an important coefficient of the vortex flowmeter.In the straight part of Sr=0.16 of the number of curves, as long as the frequency f is accurately measured, the fluid flow rate V=f d/Sr can be measured, so as to achieve the purpose of measuring the fluid flow in the pipeline;

Namely: Q=3600xf/k..... (1)(K-instrument factor, times/m3)