Stillpipe radar level gauge

The still-pipe radar level gauge is often used in the level measurement of the silo. Because of its unique measuring principle, it has a wide range of adaptability, whether it is a toxic medium or a corrosive medium, and whether it is solid, liquid or dust. , Slurry medium, it can be measured.　　The principle of the still-pipe radar level gauge　　Transmit-reflection-receive is the basic working principle of the still-pipe radar level gauge. The antenna of the radar sensor emits electromagnetic wave signals in the form of beams, and the emitted waves are reflected on the surface of the material to be measured, and the reflected echo signals are still received by the antenna. Every point in the transmitted and reflected beams is collected by ultrasonic sampling. After the signal is processed by the intelligent processor, the distance between the medium and the probe is obtained, and the signal is sent to the terminal display for display, alarm, operation, etc. The characteristics of the still-pipe radar level gauge In terms of measurement, the still-pipe radar level gauge has the following characteristics: 1. Continuously and accurately measure the probe of the radar level gauge without contact with the surface of the medium. It is a non-contact measurement, which can be accurate and fast. Ground measurement of different media. The probe is hardly affected by temperature, pressure, gas, etc. (The effect is only 0.018% at 500°C, 0.8% at 50bar).　　2. It has the function of suppressing interference echo.　　 3. Accurate and safe energy saving. The chemical and mechanical properties of the materials used in the radar level gauge are quite stable, and the materials can be recycled, which is extremely environmentally friendly.　　4, no maintenance and strong reliability. The microwave is almost free from interference and does not directly contact the measuring medium. It can be used in almost all kinds of occasions, such as vacuum measurement, liquid level measurement or material level measurement. Due to the use of advanced materials, it is very durable against extremely complex chemical and physical conditions. It can provide accurate, reliable, long-term stable analog or digital level signals.　　 5. Convenient maintenance and simple operation. The radar level gauge has fault alarm and self-diagnosis functions. Analyze the fault according to the error code prompted by the operation display module, determine the fault in time and eliminate it, so that the maintenance and correction are more convenient and accurate, and the normal operation of the instrument is guaranteed.　　6. u200bu200bWide application range, almost all media can be measured. From the shape of the tank body, the radar level gauge can measure the liquid level of spherical tanks, horizontal tanks, cylindrical tanks, cylindrical cones, etc.; from the perspective of tank functions, it can measure the liquid level of storage tanks and buffer tanks. , Microwave tube, the liquid level in the by-pass tube; from the measured medium, liquid, particle, slurry, etc. can be measured.　　Summary Generally speaking, the radar level gauge has a wide range of use and is a non-contact measurement method. The material is excellent and the failure rate is low. However, the price is really not cheap! 　　 So what is the operation of the still-pipe radar level gauge: 　　1/The still-pipe is drilled with a balance hole with an inner diameter of 20 mm every 500 mm apart, and the eccentricity of the balance hole is 0.5 degrees within. The welding of the waveguide section and the section is a sleeve welding method, the gap is less than 1 mm, the eccentricity is within 1 degree, and the straightness is within 0.5:100. The inner wall of stilling wave tube shall be smooth and free of burrs.　　2/The radar level gauge is required to be installed in a stilling wave tube with an inner diameter equal to 102.3 mm and a wall thickness of 6 mm. The vertical deviation of the still-pipe installation is less than +/-0.5 degrees. 3/ The top flange of the wave guide tube for installing the radar should be matched with the ANSI 4'300LB equipment flange, and the flange should be marked in advance along the center line of the wave guide tube balance hole. The marked holes are aligned. The installation level deviation of the flange is less than +/-1 degree. The reference pin should be installed at a position about 2.5 meters away from the mounting flange on the still tube. The gap of the wave tube is 15~30 mm to reduce the impact of turbulence when feeding. The bottom of the still tube needs to be equipped with a reflector and a check ring. 　　 The above is the basic knowledge of the still tube radar level gauge, I believe you will see Here, I already have a certain understanding of the still-pipe radar level gauge. For more questions about the still-pipe radar level gauge, you can consult the technicians of Kaidi Sensing. We will provide free technical guidance and support.
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