Vortex Flowmeter

A vortex flowmeter comprising: a flow sensor operable to sense pressure variations due to vortex-shedding of a fluid in a passage and to convert the pressure variations to a flow sensor signal,in the form of an electrical signal;and a signal processor operable to receive the flow sensor signal and to generate an output signal corresponding to the pressure variations due to vortex-shedding of the fluid in the passage. When the medium flows through the Bluff body at a certain speed,an alternately arranged vortex belt is generated behind the sides of the Bluff body,called the"Carmen vortex". Since both sides of the vortex generator alternately generate the vortex,the pressure pulsation is generated on both sides of the generator,which makes the detector produce alternating stress.The piezoelectric element encapsulated in the detection probe body generates an alternating charge signal with the same frequency as the vortex,under the action of alternating stress.The signal is sent to the intelligent flow totalizer to be processed after being amplified by the pre-amplifier,realizing displaying instantaneous flow and cumulative flow of fluid,communicating and controlling of flow data and the microcomputer system. In certain range of Reynolds number(2×10^4~7×10^6),the relationship among vortex releasing frequency f,fluid velocity V and vortex generator facing flow surface width d can be expressed by the following equation: f=Sr×V/d V=f×d/Sr In the equation,f-releasing frequency of Carmen vortex,Sr -coefficient(called the Strouhal number),V-velocity, d-width of the triangular cylinder. Vortex flowmeter is a broad-spectrum flow meter which can be used for metering,measurement and control of most steam,gas and liquid flow for a very unique medium versatility,high stability and high reliability with no moving parts,simple structure and low failure rate.And The flowmeter is relative economical because of its simple flow measurement system and easy to maintain,widely used in petroleum,chemical industry,metallurgy,food,paper,electricity, industry boiler,urban pipeline heating,water supply,coal gas and other industries.
  • Remote Vortex Flowmeter

    Remote Vortex Flowmeterremote vortex flowmeter DN15~350mm End connection: flanged Features: simple structure, convenient installation, universal for air and liquid, long-distance transmission of flow signal is available and of also can connect network with a computer to realize...

  • Compact Vortex Flowmeter

    Compact Vortex Flowmetercompact vortex flowmeter DN15~350mm End connection: flange clamp, flanged Features: simple structure, convenient installation, universal for air and liquid, instantaneous and accumulated flow can be displayed on site,long-distance transmission of flow...

  • Temperature and Pressure Integrated Vortex Flowmeter

    Temperature and Pressure Integrated Vortex Flowmetertemperature and pressure integrated vortex flowmeter DN15~350mm End connection: flange clamp, flanged Features: simple structure, with temperature and pressure compensation integrated, manual value density compensation is available, long-distance...

  • Clamp Vortex Flowmeter

    Clamp Vortex Flowmeterclamp vortex flowmeter DN15~350mm End connection: flange clamp Features: simple structure, convenient installation, universal for air and liquid, long-distance transmission of flow signal is available and of also can connect network with a computer to...

  • Flanged Connection Flowmeter

    Flanged Connection Flowmeterflanged connection flowmeter DN15~350mm End connection: flange clamp Features: simple structure, convenient installation, universal for air and liquid, long-distance transmission of flow signal is available and of also can connect network with a computer...

  • Insertion Vortex Flowmeter

    Insertion Vortex Flowmeterinsertion vortex flowmeter DN200~1600mm End connection: insertion type Features: simple structure, suit for large caliber flow measurement, convenient installation, installed under pressure is available, universal for air and liquid, long-distance...

  • Local Display Vortex Flowmeter

    Local Display Vortex Flowmeterlocal display vortex flowmeter DN15~350mm End connection: flange clamp, flanged Features: simple structure, convenient installation, universal for air and liquid, instantaneous and accumulated flow can be displayed on site, battery powered supply is...

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