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『Jiaxing Quality Flow Meter Design』Related information(clamp on meter|electromagnetic meter|venturi meterrotameter|orifice meter|ultrasonic flow meter|mass flow meter|coriolis mass flow meter|coriolis flow meter|magnetic flow meter|magmeter flow meter|magflow flow meter|mag meter flow meter|electromagnetic flow meter|vortex flow meter|turbine flow meter|thermal mass flow meter|thermal flow meter|rotameter flow meter)
1. How to choose a flowmeter
Electromagnetic flowmeter selection Vortex flow meter selection (vortex flowmeter) Float flowmeter selection (rotor flowmeter) Coriolis mass flowmeter selection Thermal (gas) mass flowmeter selection Ultrasonic flowmeter selection Turbine flowmeter selection Precautions
1. Name and characteristics of the measured fluid (corrosiveness, viscosity, wear, etc.)
2. Working flow rate (normal flow rate, maximum flow rate, minimum flow rate)
3. Working pressure (maximum, minimum working pressure), special attention should be paid if negative pressure is formed
4. Working temperature (maximum temperature, minimum temperature)
5. The conductivity of the fluid must have a certain level of conductivity, with a conductivity of ≥ 5 μ S/cm
6. Installation location
7. Power supply method
8. The size of the process pipeline is required
9.
Communication methods with the central control room2. What are the types of flow meters
The main types of flow meters are as follows:
1. Electromagnetic flow meters measure the flow rate of conductive media based on the principle of electromagnetic induction. Flow measurement is achieved by measuring the induced electromotive force of a fluid in a magnetic field. It has the characteristics of high measurement accuracy and wide applicability, and is suitable for flow measurement of most residual wax conductive liquids.
Secondly, vortex flowmeters use fluid dynamics principles to measure fluid flow.
. Calculate the flow rate by measuring the vortex phenomenon and pressure pulsation signal generated when the fluid passes through the sensor. Suitable for flow measurement of liquid
Fourth, a mass flowmeter is an instrument that directly measures the mass flow rate of a fluid.
. Calculate the mass flow rate of a fluid by measuring the force or pressure loss generated by the fluid on the pipeline. It has the advantages of high measurement accuracy and the ability to measure various fluid media, and is widely used in flow measurement in industries such as chemical, petroleum, and food. 5. Other types of flow meters include orifice flow meters, nozzle flow meters, differential pressure flow meters, etc. These flow meters have certain advantages and application ranges in different application scenarios and measurement requirements. For example, the orifice flowmeter has a simple structure and is suitable for measuring flow in large-diameter pipelines; The nozzle flowmeter has a small pressure loss and is suitable for flow measurement of high-pressure fluids. The above types of flow meters have their own characteristics, and the appropriate type of flow meter for cleaning can be selected according to specific measurement needs and fluid characteristics.