Magnetic turn column level gauge maintenance

Magnetic turn column level gauge is widely used in electric power, petroleum, chemical, metallurgy, environmental protection, ships, construction, food and other industries in the production process of liquid level measurement and control. The level gauge works according to buoyancy principle and magnetic coupling principle. When the liquid level in the container under test rises and falls, the float in the main gauge of the liquid level gauge will also rise and fall. The permanent magnet in the float will be transferred to the field indicator through magnetic coupling, driving the red and white inverted pendulum to turn over 180 °. When the liquid level rises, the turning column turns from white to red. When the liquid level drops, the turning column turns from red to white. The red and white boundaries of the indicator are the actual height of the medium liquid level in the container, so as to realize the liquid level The instructions.

Magnetic turn column level gauge maintenance:

1, the level gauge around the body does not allow the magnetic material close to disable the wire fixed, otherwise it will affect the normal operation of the level gauge;

2, such as the user to use tracing pipe, you must choose non-magnetic materials, such as copper tubes. Heating temperature according to the media to determine;

3, the liquid level gauge must be installed vertically, and the ball valve should be installed between the liquid level gauge and the container lead pipe for easy maintenance and cleaning;

4, the medium should not contain solid impurities or magnetic substances, so as to avoid floating on the block;

5, before use should be corrected magnet will be zero below the ball is set to red, the other ball is set to white;

6, open the bottom flange, into the magnetic float (Note: the heavy end with magnetic end up, can not flip.);

7, the commissioning should open the top of the valve, and then slowly open the lower part of the valve, so that the media smoothly into the main tube (running medium should avoid rapid impact on the float, causing the float fluctuations, affecting the display accuracy), observation of magnetic red and white ball Turn off the valve under the tube, open the drain valve, so that the main tube of the liquid level down, according to the method of operation three times, it is normal, you can put into operation (except for special liquids such as corrosive);

8, should be based on media conditions, irregular cleaning of the main catheter to remove impurities;

9, for more than a certain length (normal type> 3 meters, anti-corrosion> 2 meters) level gauge, the need to increase the middle of the flange or ear for fixed support to increase strength and overcome their own weight;

10, the level gauge installation location, should be avoided or away from the entrance and exit of the material medium to avoid rapid changes in the local fluid flow, affecting the accuracy of level measurement.

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