Theory of anti-corrosion liquid level transmitter device adjustment and application in the chemical industry

by:Kaidi Sensors     2021-01-04
Anti-corrosion liquid level transmitter is installed on the equipment, the gasket should be installed on the flange surface, then fixed on the users of the flange surface with a bolt. When the surface of the device on the pressure vessel, should according to relevant regulations, together with the container pressure test, namely only by 1. 25 times the working pressure of hydrostatic test and 1. 5 times the working pressure of air tightness test and make sure no leak, can be put into use. ( Note that when test pressure than 1 external pressure of work. 25 times, float should be removed from the float chamber. Hydrostatic test after passing the float into float chamber for air tightness test, air tightness test work is not more than the external pressure of 1. 5 times) 。 When put into operation, the first to open the valve, then slowly open the valve, slow medium flow into the float chamber, avoid indicator when tracking or damage to the float liquid level rise too fast. With antiseptic liquid level transmitter ( Far eastone electrical signal) The emergence of the need to use standby magnets to attract float chamber the movement of the maglev, simulation of the liquid level changes, to test the operation of the liquid level transmitter is normal. Explosion-proof appearance not only to detect the working state parameters of transmitter, to inspect the probe of explosion-proof function ( Such as the strength of the flameproof shell, coating, sealing, etc. ) 。 Top mounted anti-corrosion chemical liquid level gauge of the device should be equipped with first floating cue components, manual mobile float to simulate liquid level change, indicator should be able to run normally. When install the external devices, float the components through the outer flange hole piercing the first buoy, the magnets on the float rod N pole ( Sealing surface) Oriented indicator, plate and shell parts long after add seal added components. After the long end of the flange face alignment, two flange connection. Type corrosion of high temperature and high pressure liquid level transmitter: 1, according to the assembly drawing installation, small flange insulation gasket, reserve M12 bolts, nuts and washers. Copper pipe should be installed in the specified location, connectors should be tightened, in case of leakage. 2, when devices are installed on the exterior, install the seal on the flange surface, and then use bolt to fix the appearance on the user device interface reserved flange. 3, after the completion of the surface equipment, open the valve of surface pressure. Pay attention to the slow charge! After waiting for containers and external cavity pressure, temperature stability, the appearance of qualified after put into use. Anti-corrosion liquid level transmitter and gauge change output value table: a, connected with the liquid level of the liquid level switch and gauge, and according to the switching device of gauge and the size of the switch switch switch, to gauge the size of the switch and switch switch make the corresponding adjustment, and the size of the switch of the switch and switch make corresponding adjustment. Corrosion appearance is zero measured according to the actual direction of the indicator. Anticorrosion appearance of low mechanical strength, such as PVC should be outside the device equipped with metal stents, to ensure the safety in operation. Should also pay attention to the uniform fastening flange screws, in order to avoid uneven damage.
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