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

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1. What are the specific installation and usage methods of vortex flowmeter?

Installation and use instructions for vortex flowmeter. Installation environment requirements for vortex flowmeter: 1. Avoid strong electrical equipment, high-frequency equipment, and strong switching power supply equipment as much as possible. The power supply of the instrument should be separated from these devices as much as possible. 2. Avoid direct effects from high-temperature heat sources and radiation sources. If installation is necessary, insulation and ventilation measures must be taken. 3. Avoid high humidity and strong corrosive gas environments. If installation is necessary, ventilation measures must be taken. 4. Vortex flow meters should be avoided from being installed on pipelines with strong vibration as much as possible. If installation is necessary, pipeline fastening devices must be installed at 2D upstream and downstream locations, and anti vibration pads must be added to enhance the anti vibration effect. 5. It is best to install the instrument indoors, and when installing outdoors, attention should be paid to waterproofing. Special attention should be paid to bending the cable into a U-shape at the electrical interface to prevent water from entering the amplifier housing along the cable. 6. There should be ample space around the instrument installation point for wiring installation and regular maintenance. Installation requirements for instrument pipelines: 1. Vortex flow meters have certain requirements for the upstream and downstream straight pipe sections of the installation point, otherwise it will affect the flow field of the medium in the pipeline and affect the measurement accuracy of the instrument. The

Installation diagram of steam vortex flowmeter

length requirements for the upstream and downstream straight pipe sections of the instrument are shown in the figure. Note: The regulating valve should not be installed upstream of the vortex flowmeter as much as possible, but should be installed at 10D downstream of the vortex flowmeter. 2. The inner diameter of the upstream and downstream piping should be the same. If there is a difference, the inner diameter Dp of the piping and the inner diameter Db of the vortex flowmeter body should meet the following relationship: 0.98Db ≤ Dp ≤ 1.05Db. The upstream and downstream piping should be concentric with the inner diameter of the flow meter body, and the different axial degrees between them should be less than 0.05Db. 3. The sealing gasket between the instrument and the flange should not protrude into the pipe during installation, and its inner diameter should be 1-2mm larger than the inner diameter of the body. (3) Installation steps of the vortex flowmeter: 1. Open the pipe according to the requirement of opening size, so that the opening position meets the requirements of the straight pipe section. 2. Place the entire flowmeter connected to the flange into the opened pipeline. 3. Perform spot welding positioning on both sides of the two flanges. Remove the flowmeter, weld the flange as required, and clean all protruding parts inside the pipeline. 4. Install a sealing gasket with the same diameter as the pipeline in the inner groove of the flange, install the flowmeter in the middle of the flange, and make the flow direction of the flowmeter the same as the fluid direction, then connect it with bolts. （4） Installation of flowmeter on horizontal pipeline: When measuring gas flow, if the measured gas contains a small amoun

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

1. What are the specific installation and usage methods of vortex flowmeter?

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