What is the difference between intake and exhaust of vortex flowmeter | turbine flowmeter

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1. Error reasons of turbine flowmeter

(1) Turbine flowmeter should be used with caution. Some easily crystallizable chemical materials can be measured normally under normal temperature conditions. Due to the good heat tracing and insulation of the pipes that transport the fluid, they will not crystallize during insulation work. However, the measuring tube of the turbine flowmeter sensor is difficult to implement heat tracing and insulation. Therefore, when the fluid flows through the measuring tube, it is easy to cause a layer of solid to form on the inner wall due to cooling. Due to the crystallization problem of using other principle flow meters for measurement, in the absence of other better methods, a "ring" turbine sensor with a very short measuring tube length can be selected, and the upstream pipeline heat tracing insulation of the flow meter can be strengthened. In terms of pipeline connection, the disassembly and assembly of flow sensors need to be convenient, and once crystallized, they can be easily removed for maintenance. (2) The liquid inside the tube is not filled due to a lack of back pressure or poor positioning of the flow sensor device, resulting in the measurement of the liquid inside the tube not being filled. The problem phenomenon varies depending on the level of non filling and activity. If a small amount of gas flows in layers or waves in the water pipeline, the problem is manifested as an increase in error, that is, the measured flow value does not match the actual value; If the activity is a bubble flow or plug flow, the problem phenomenon will not only be inconsistent with the measured value and the actual value, but also show output shaking due to the gas phase covering the surface

of the electrode in an instant; If the flow cross-sectional area of the gas phase increases locally during the layered activity of the pipeline, that is, if the liquid is not fully filled and the pipe level increases, there will also be output shaking. If the liquid is not fully filled and the pipe situation is severe, causing the liquid level to be below the electrode, there will be an output over filling phenomenon. (3) The liquid in the turbine flowmeter contains solid phase, and the liquid contains solids such as powder, particles, or fibers, which may cause problems; ① Slurry noise; ② Surface contamination of electrodes; ③ Conductive or insulating stacking layer covers the electrode or lining; ④ The lining is worn or covered by debris, reducing the cross-sectional area for flow. Turbine flowmeter sensor maintenance knowledge. Turbine flowmeters are widely used in measurement and control systems in petroleum, chemical, metallurgical, scientific research and other fields. Turbine flow sensors equipped with sanitary fittings can be applied in industries such as pharmaceuticals and food. The structure of the intelligent integrated turbine flowmeter is explosion-proof design, which can display the total flow rate, instantaneous flow rate, and flow saturation percentage. The battery adopts a long-lasting lithium battery, and the service life of a single function odometer battery can reach more than 5 years, while the service life of a multifunctional display meter battery can also reach more than 12 months. The integrated meter head can display a wide range of flow units, including cubic meters, gallons, liters, standard cubic meters, standard liters, etc. It can set fixed pressure and temperature parameters to compensat

What is the difference between intake and exhaust of vortex flowmeter | turbine flowmeter

1. Error reasons of turbine flowmeter

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