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1. Turbine flowmeter
Turbine flowmeter is a speed type flow instrument with high measurement accuracy, fast response, and high pressure resistance, which is widely used in industrial production.
1. Structure of Turbine Flow Meter The turbine flow meter is mainly composed of a turbine, a guide vane, a magneto electric induction converter, a housing, and a preamplifier.
. Turbine: Made of stainless steel material with high magnetic permeability and placed in ball bearings with low friction. The turbine core is equipped with spiral blades, and fluid acts on the blades to rotate them. Guide vane: composed of a guide ring and a guide seat, it allows the fluid to reach the front guide of the turbine, avoiding changes in the angle of action between the fluid spin and the turbine blades, and ensuring instrument accuracy. The guide vane is also equipped with ball bearings to support the turbine. Magnetoelectric induction converter: composed of coils and magnetic steel, it converts the rotational speed of the blades into corresponding electrical signals, which are supplied to the preamplifier for amplification. Shell: Made of non-magnetic stainless steel, used to fix and protect internal components, and connected to fluid pipelines. Pre amplifier: amplifies the weak electrical signal output by the magneto electric induction converter for remote transmission.2. Working principle of turbine flowmeter: When the fluid passes through the gap between the turbine blades and the pipeline, the force generated by the pressure difference before and after the blades pushes the blades, causing the turbine to rotate.
. At the same time as the turbine rotates, the highly magnetic turbine periodically scans the mag_600x400.jpg)
2. Science popularization: Precautions for installation of turbine flowmeter
Turbine flowmeter (impeller flowmeter) is a high-precision instrument that uses turbine rotation for flow measurement. It has the advantages of simple structure, high temperature resistance, and long service life.
. Attention should be paid to the following key points during installation:1. Installation method: The turbine flowmeter supports three installation methods, which should be selected reasonably according to the working conditions: flange installation: suitable for standard connections in pipeline systems, ensuring that the flange sealing surface is flat and the bolts are evenly tightened to prevent leakage. Threaded installation: Used for small-diameter pipelines (usually below DN50), attention should be paid to thread matching to avoid thread damage caused by violent tightening. Clamp on installation: suitable for temporary measurement or space limited scenarios, ensu