Is the paddle material level switch afraid of hanging material?
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Working conditions: Mixture of polypropylene (fine powder) and hexane (oil) ； When it enters the tank, it is a mixed slurry. After it is allowed to settle, it becomes stratified. First, drain the upper layer of hexane, and then drain the polypropylene (downward spiral discharge). I have installed tuning forks and radio frequency admittances on the sides of the bottom, but they are not ideal due to hanging materials. I would like to ask if there is a risk of material sticking to the rotary paddle level. Since the blades need to rotate, will it cause hexane leakage?
I am also afraid of hanging materials. As for the extent to which hanging materials will affect the normal use of the rotary paddle switch, it is best to ask the manufacturer's technical personnel. As long as it works properly.
Oil leak? Does it mean there is oil leakage where the paddle level switch is installed? Formal installation, it should not be possible
Because the blades of the rotary material level need to rotate, we are worried about oil leakage from the moving parts into the internal mechanism.
To solve this problem, you need to understand the following points. 1. How did production confirm the liquid level in the past? 2. Is the spiral discharge slurry drained? Or leave part of it as a material seal? Is the resting time fixed? 4What is the specific gravity of the final slurry? 5. How to confirm whether the hexane is drained cleanly and how to drain it to the layered position? {:9002:}
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Paddle level gauges are the liquid level gauges that are least afraid of hanging materials. However, if the material accumulates and agglomerates on the material level meter for a long time, the rotating shaft of the material level meter may still be stuck by the material. It’s similar to the situation where things in the refrigerator are frozen together with the freezer. .
This is much better than using a vibrator and a tuning fork, but the dynamic sealing of the container under pressure using a paddle is not as easy to use as the diaphragm level switch. To sum up,: Use anti-rotation (good sealing effect such as German MOLLET), diaphragm (needs high sensitivity), vibrator (triangular rod)