Stainless steel flowmeter| Hezhou ultrasonic flowmeter manufacturer

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1. Stainless steel Bacher groove open channel ultrasonic flowmeter

The stainless steel Bacher groove open channel ultrasonic flowmeter is a flow measurement device that combines the Bacher groove water measurement principle with ultrasonic liquid level measurement technology. Its working principle and characteristics are as follows: the liquid level conversion function of the measuring tank weir. As the core component of the measuring tank weir, the Bacher groove converts the flow changes in the channel into liquid level height changes through its unique throat (contraction) structure. When the water flows through the Bacher trough, the cross-sectional area at the throat decreases, resulting in an increase in flow velocity and a rise in liquid level, forming a stable liquid level flow correspondence. The mathematical relationship between liquid level and flow rate: The flow converter (secondary meter) converts the liquid level value measured by the liquid level meter into the actual flow rate value through a preset liquid level flow formula (such as empirical formula or standard curve) based on the geometric dimensions of the Bachel groove (such as throat width, length, etc.). Ultrasonic level measurement: Non contact measurement of the liquid level in the tank using an ultrasonic level gauge. By emitting ultrasonic pulses and receiving reflected signals, the distance from the liquid level to the sensor is calculated to determine the liquid level height. Figure: Typical structure of Bacher trough, where the change in liquid level at the throat reflects the advantage of flow rate independent of channel characteristics. In open channel flow measurement, there is no fixed correspondence between liquid level and f

low rate, and factors such as channel cross-sectional area, slope, and roughness need to be considered. And through standardized design, the correspondence between upstream water level and flow rate in the Bacher tank depends only on the geometric dimensions of the tank body. The same liquid level corresponds to the same flow rate in different channel fiber branches, greatly simplifying the calculation. The higher the flow rate in the channel with a positive correlation between liquid level and flow rate, the higher the liquid level at the throat of the Bacher tank; The smaller the flow rate, the lower the liquid level. The two have a deterministic functional relationship to avoid measurement errors caused by differences in channel conditions. The throat structure of the Bachel trough has strong anti-interference ability, which forms a stable critical flow state when water flows through, reducing the impact of channel fluctuations, sediment deposition, or debris blockage on measurement. It is suitable for complex working conditions such as sewage and sediment laden water flow. The advantages of stainless steel material corrosion resistance: Stainless steel materials (such as 30

4, 316L) can resist corrosive environments such as acid and alkali, salt spray, etc., extending the service life of equipment. Structural strength: High strength stainless steel ensures that the tank body does not deform under long-term water flow impact, maintaining measurement accuracy. Hygiene: The surface is smooth and easy to clean, meeting the requirements of hygiene standards in industries such as food and medicine. The non-contact characteristics of ultrasonic measurement: Ultrasonic level gauges do not require contact with liquids,

Stainless steel flowmeter

1. Stainless steel Bacher groove open channel ultrasonic flowmeter

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