What should be noted when installing a dual rotor flowmeter?

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What is the reason why the display of the dual rotor flowmeter does not match the numbers on the mechanical meter?

The rotor of the spine position dual rotor flowmeter sends a switch signal to the electronic digital display; The torque of the magnetic coupler is used to count the mechanical components. Blocking electromagnetic interference can cause electronic digital displays to count more; If the resistance of the mechanical part exceeds the transmission torque of the magnetic coupler, the count will be reduced. The specific reasons can only be analyzed on a case by case basis.

2. Double rotor flowmeter II, working principle

Double rotor flowmeter is a uniquely designed volumetric flowmeter specifically used for measuring liquid flow rate.

. Its working principle is based on the meshing of a pair of spiral rotors with special tooth profiles, and there is no relative sliding between the two, without the need for synchronous gears. The rotational power source of the rotor comes from the small pressure difference generated by the fluid at the inlet and outlet. As shown in the figure below, at a certain moment on a certain cross-section, although a pair of rotors experience different fluid rotational torques, the resultant torque of the rotational torques on all cross-sections remains equal for both rotors. Therefore, the two rotors rotate at a constant speed and equal torque to ensure balanced displacement without pulsation. Each rotor can output 8 times the volume of the cavity per revolution, therefore, the rotational speed of the rotor is proportional to the cumulative flow rate of the fluid, and the rotational speed of the rotor is proportional to the instantaneous flow rate of the fluid. Dual rotor flowmeter

The rotational motion of the rotor is transmitted to the meter counter through a magnetic coupling, and the counter displays the flow rate through the flowmeter (flowing through the pipeline). This design enables the dual rotor flowmeter to have high precision, stability, and reliability, making it suitable for various industrial applications. Dual rotor flow meters can be divided into two forms based on their structure: standard type and axial flow type. The standard dual rotor flowmeter is shown in the figure and is suitable for general liquid flow measurement. Axial flow dual rotor flowmeter has higher measurement accuracy and wider flow range, especially suitable for occasions with strict requirements for flow measurement. The dual rotor flowmeter, as a highly efficient and accurate liquid flow measurement tool, is provided by Shanghai Youhe Industry. Its unique design and high performance make it an ideal choice in many industrial fields, widely used in multiple industries such as petroleum, chemical, pharmaceutical, food, and environmental protection.

3. Working principle of dual rotor flowmeter

The flowmeter has a pair of special toothed spiral rotors that directly mesh without relative sliding and do not require synchronous gears.

. Drive the rotor to rotate by the small pressure difference at the inlet and outlet. The following diagram represents a cross-section of a pair of rotors during operation. At the same time, although the rotational torque of the fluid on the same cross-section is different for each rotor, the combined torque of the rotational torque experienced by the two rotors on all cross-sections before the end of the year is equal. Therefore, both rotors rotate at a constant spee

What should be noted when installing a dual rotor flowmeter?

What is the reason why the display of the dual rotor flowmeter does not match the numbers on the mechanical meter?

2. Double rotor flowmeter II, working principle

3. Working principle of dual rotor flowmeter

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