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It can be used to measure a variety of media with different properties.Liquid, solid particle and interface can be effectively measured by guided wave radar.It is also well adapted to media with special properties such as corrosiveness, high viscosity and easy scaling.
Guided wave radar does not produce sparks in the process of measurement, and is suitable for liquid level measurement in flammable and explosive dangerous environments.The use of guided wave radar can improve the safety of production process in the storage and production sites of flammable and explosive media such as oil and natural gas.
Guided wave radar can realize the measurement of liquid level or material level with high precision.It can be precise to millimeter level, which is very critical in industries with high requirements for liquid level measurement accuracy, such as chemical, pharmaceutical and other fields, and can meet the needs of precise liquid level monitoring.
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Guided wave radar operates on the principle of time domain reflectometry (TDR).The transmitting antenna transmits high-frequency pulse radar waves to the measured medium along a wave guide rod or a wave guide cable, and the radar waves propagate downwards along the wave guide element.
When encountering the surface of the measured medium, the radar wave will be reflected due to the dielectric constant difference between the medium and the air (or other upper medium), and the reflected wave will return to the receiving antenna along the waveguide element.
By measuring the time difference between the transmitted wave and the reflected wave, combined with the known radar wave propagation velocity, the guided wave radar can calculate the distance from the guided wave element to the medium surface, and then obtain the liquid level or material level height.
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Guided wave radar plays a key role in the field of natural gas.It can precisely measure the liquid level in the natural gas storage tank, provide precise data for the storage and dispatch of natural gas, and ensure the safety of storage and stable supply.In the natural gas transmission pipeline, it can monitor the liquid level change of the medium in real time, find out the abnormal situation such as leakage in time, and ensure the safety and reliability of pipeline transportation.
Guided wave radar is very important in thermal power plants.It precisely measures the material level of coal bunker and ash bunker, which is convenient for reasonable arrangement of fuel supply and ash treatment, and ensures the continuity of power generation production.In the liquid level measurement of boiler drum, it can accurately monitor the liquid level change in real time, provide reliable data for the stable operation of steam-water circulation system, and ensure the efficiency of power generation and the safety of equipment.
Guided wave radar plays an important role in grain storage warehouses.It precisely measures the height of grain level in the granary, helps managers to accurately grasp the inventory situation, and rationally plans the storage and allocation of grain.In the process of grain storage, real-time monitoring of material level changes can detect abnormal situations in time, such as abnormal material level changes caused by damp and caking of grain, so as to ensure the quality and safety of grain storage.
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The water level monitoring system with guided wave radar has been successfully installed and put into use in a large water control project.The system can measure the water level change in real time and precisely, and provide precise data support for the dispatching and operation of the hydro-junction.The application of this technology has greatly improved the efficiency and scientificity of water conservancy project management, and will play an important role in the safe operation of water conservancy projects.
Guided wave radar level gauge technology has been successfully introduced into a sewage treatment plant.With its precise measurement performance, the technology can monitor the change of sewage level in real time and accurately.This enables the sewage treatment plant to regulate and control the treatment process more scientifically and efficiently, greatly improves the level of liquid level control, and provides a strong guarantee for the stable operation and discharge of sewage treatment.
The application of guided wave radar technology in food industry shows a trend of gradual promotion.Its characteristics of high precision and non-contact measurement meet the strict requirements of hygiene and precision in food production.Many food enterprises have introduced guided wave radar level gauge for precise monitoring of liquid level of various raw materials and finished products, which effectively improves the controllability of production process and the stability of product quality.
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