Dimensional drawing of vortex flowmeter | Installation requirements for straight pipe section of steam vortex flowmeter

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1. In depth exploration of the structure of vortex flowmeter

Vortex flowmeter is a precision instrument for fluid flow measurement based on the Karman vortex principle. It mainly consists of sensors, converters, measuring tubes, and auxiliary components. Its structural design embodies the engineering philosophy of "simplicity with precision" and is continuously optimized with the development of technology.

First, the core structure of the sensor vortex generator: a non streamlined cylindrical object inserted into the fluid pipeline and imitated, whose geometric shape (such as triangular columns, cylinders) directly affects the stability of vortex separation.

. When fluid flows through, two columns of staggered vortices are generated on both sides of the cylinder. The separation frequency of vortices is proportional to the flow velocity and inversely proportional to the width of the cylinder. This is the core application of the Karman vortex street principle. Detecting chaotic fiber components: including detection probes and detection amplifiers, converting physical signals into electrical signals by sensing pressure or frequency changes generated by vortex separation. The detection probe and vortex generator adopt a separate structure, effectively avoiding the problem of pressure hole blockage and improving reliability. Connecting rod: Connect the detection object and the detection amplifier to ensure the stability of signal transmission. The sensor adopts gas shielded self melting welding technology inside, which is corrosion-resistant, durable and sturdy. Figure: Schematic diagram of sensor structure, showing the layout of vortex generator and detection element. The converter converts the electrica Dimensional drawing of vortex flowmeter

l signal output by the sensor into a standard flow signal (such as 4-20mA current or pulse signal), and has temperature and pressure compensation functions to adapt to different working conditions. Contemporary converters integrate microprocessors, enabling digital processing, self diagnosis, and remote communication. The channel through which the fluid flows in the measuring tube is usually made of all stainless steel material to ensure corrosion resistance and mechanical strength. The design of the pipe body needs to be matched with the vortex generator to maintain a stable flow field distribution. Auxiliary components include shells, wiring terminals, display modules, etc., providing protection, signal interfaces, and human-machine interaction functions. The shell sealing design can adapt to harsh environments such as high temperature, high pressure, and humidity.

Secondly, structural optimization and innovation. Habitual structural improvement to enhance vibration resistance: In response to the problems of narrow measurement range and poor vibration resistance in habitual vortex flow measurement, the new design optimizes the shape of the vortex generator (such as using a streamlined transition structure) and the layout of detection elements to reduce the impact of vibration interference on measurement accuracy.

. Enhanced environmental adaptability: The all stainless steel body and sealed structure design enable the flowmeter to operate within a wide temperature range of -40 ℃ to 250 ℃ and resist corrosive media erosion. Intelligent upgrade of LUB series vortex flowmeter: Wide range ratio: Range ratio up to 1:20, can cover more than DN25-500 calibers, meeting different flow range requirements. High precisio

Dimensional drawing of vortex flowmeter | Installation requirements for straight pipe section of steam vortex flowmeter

1. In depth exploration of the structure of vortex flowmeter

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