Steam vortex shedding flowmeter measuring multiple parameters

Abstract

The invention discloses a steam vortex shedding flowmeter measuring multiple parameters. A vortex generation body is installed in an inner hole of a meter body with a measuring tube. A hole is perpendicularly formed outside the meter body with the measuring tube in the face right behind the vortex generation body so that a flow sensor can be installed. A supporting cylinder is installed above the meter body with the measuring tube. The flow sensor is covered with the supporting cylinder. A flow totalizer is installed at the upper end of the supporting cylinder. The steam vortex shedding flowmeter measuring the multiple parameters has the advantages that the multiple parameters of steam can be measured, the measuring range is wide, the steam measurement accuracy is high, pressure loss is small, various sensors are integrally designed, and the flowmeter is compact in structure, high in reliability, low in manufacturing cost, convenient to use and maintain, long in service life and the like; the flow sensor and a temperature sensor which are resistant to high temperature are adopted so that the steam vortex shedding flowmeter measuring the multiple parameters can measure saturated steam and superheated steam with higher temperature.

Description

technical field [0001] The invention relates to the technical field of industrial flowmeters, in particular to a steam vortex flowmeter for multi-parameter measurement. Background technique [0002] Saturated or superheated steam is the main energy source for current industrial and agricultural production and people's lives, so steam metering is particularly important. The steam metering instruments commonly used at home and abroad are orifice flowmeters, Venturi nozzle flowmeters and ordinary vortex flowmeters. Orifice flowmeters and Venturi nozzle flowmeters have a narrow measurement range, low measurement accuracy, large pressure loss, and cannot measure temperature and pressure at the same time. Ordinary vortex flowmeters have poor high temperature resistance, short life, and are used to measure Steam can only measure volumetric flow, but cannot measure steam temperature, pressure, density and precise mass flow rate. To accurately measure steam mass flow rate, additi...

AI Technical Summary

Problems solved by technology

Orifice flowmeters and Venturi nozzle flowmeters have a narrow measurement range, low measurement accuracy, large pressure loss, and cannot measure temperature and pressure at the same time. Ordinary vortex flowmeters have poor high temperature resistance, short life, and are used to measure Steam can only measure volumetric flow, but cannot measure steam temperature, pressure, density and precise mass flow rate. To accurately measure steam mass flow rate, additional temperature transmitters, pressure transmitters and flow computers are required. Therefore, higher cost

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