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High-temperature gear pump how to maintain
High-temperature gear pump is to use two gears to each other rotation work, less demanding on the media. General pressure below 6MPa, larger flow. High-temperature gear pump equipped with a pair of rotary gear in the pump body, an active, a passive, relying on the two gear meshing with each other, the pump within the working chamber is divided into two independent parts. A for the inhalation chamber, B for the discharge chamber. The high temperature gear oil pump drives the driving gear to rotate the driven gear during operation. When the gear engages and disengages, a partial vacuum is formed on the suction side (A) and the liquid is sucked in. The sucked fluid fills each tooth valley of the gear to the discharge side (B), and the liquid is forced out when the gear enters into engagement to form a high-pressure liquid which is discharged outside the pump through the pump discharge port. 1, often fat, electric drum pumps for high-speed operation, easy to volatile grease, it must be maintained at the bearing lubrication, and pay attention to Tim. 2, high temperature gear pump often check and repair, electric drum pump should always check and repair, to check the power cord: the internal wiring, plugs, switches are good, the insulation resistance is normal, brush Tailstock is loose, commutator and electricity Brush contact is good, the armature winding expansion stator winding is a proper phenomenon, the bearing and rotating parts are damaged and so on. 3, save each part and replace the same parts, high temperature gear oil pump in the dismantling, you should save each part, pay special attention to explosion-proof parts of flameproof parts can not damage the hairline, including insulation pads and casing, such as If there is any damage, the same new parts must be replaced. No substitute materials lower than the performance of raw materials or parts not conforming to the original specifications shall be used. When assembling, all the parts should be packed according to their original positions and can not be omitted. 4, pay attention to save the electric pump should be placed in dry, clean and non-corrosive gas environment. 5, high temperature gear pump pay attention to insulation resistance, long-term shelved or used in wet environments electric pump, before use must use 500-volt megger to measure the winding insulation resistance. If the insulation resistance between the winding and the motor housing is less than 7 megohms, the winding must be dried.