Installation diagram of vortex flowmeter | Working principle of vortex steam flowmeter

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1. Wiring Instructions for Vortex Flow Meter

The vortex flow meter sensor adopts a three line inspection system: power supply, signal, and power ground. Use three core shielded cables. The shielded wire is connected to the housing ground at one end of the sensor. Do not connect the secondary instrument terminal to the ground. Connect the three cores to the power supply, signal, and ground of the monitoring (Ω) power supply respectively. The transmitter shown in Figure 10 is a two-wire system: using a two core cable, the "+" and "-" terminals of the vortex street are respectively connected to the+24V and test instrument signal input "Sui Qiao+" end, and the signal "-" end is connected to the 24VDC "-" end. The output of this circuit is 4-20mA. See Figure 11

2. Relevant Explanation of Intelligent Vortex Flow Meter

(1) Vortex flow meters should be installed as far away from vibration sources and strong electromagnetic interference as possible. Vibration reduction devices must be used in places where vibration exists to reduce the impact of pipeline vibration.

(2) The configuration of the straight pipe section, the front and rear straight pipe sections must meet the requirements of the vortex flowmeter, and the inner diameter of the pipeline must also be consistent with the inner diameter of the vortex flowmeter transmitter.

(3) Installation diagram

1. Connect the signal line and power line

2. Open the inlet and outlet valves, and the opening of the inlet and outlet valves should be consistent

3. Open the stainless steel three valve group balance valve, slowly open the valves at the high and low pressure ends of the orifice plate, and close the stainless st

Installation diagram of vortex flowmeter

eel three valve group balance valve after the fluid passes through the flowmeter.

. Installation pipeline conditions: (1) The straight pipe section before and after the throttling element must be straight and there must be no visible bending. The straight pipe section used for installing throttling components in Jidong (2) should be smooth. If it is not smooth, the flow coefficient should be multiplied by roughness to correct sparsity. (3) To ensure that the fluid flow forms a fully developed turbulent velocity distribution in front of the throttling element 1D, and to make this distribution uniformly axisymmetric, the straight pipe section must be circular, and the roundness requirements for the 2D range in front of the throttling element are very strict, with certain roundness indicators. Specific measurement method: (A) Measure at least four single inner diameter values of the pipeline at equal angular distances on four vertical pipe sections OD, D/2, D, and 2D in front of the throttling element, and take the average value D. The difference between any single inner diameter measurement value and the average value shall not exceed ± 0.3%. (B) After the throttling element, measure eight single inner diameter measurements at OD and 2D positions using the above method. The maximum deviation between any single measurement value and D shall not exceed ± 2%. (2) A sufficiently long straight pipe section is required before and after the throttling element, which is related to the form of the local resistance element in front of the throttling element and the diameter to diameter ratio β.

(4) The length of the straight pipe section between the first resistance element and the second resistance element on the upstream

Installation diagram of vortex flowmeter | Working principle of vortex steam flowmeter

1. Wiring Instructions for Vortex Flow Meter

2. Relevant Explanation of Intelligent Vortex Flow Meter

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