Screw pump maintenance method

2019 - 11 - 19

maintenance method of screw water pump, screw pump failure one: mechanical seal of oil spill the cause of the problem: assembly position is wrong; Gland not flatten; Dynamic or static ring seal face bruised; Static seal ring or damaged. Maintenance methods: solution is to install as required; Adjust the gland; Ground sealing surface or replace new parts; Replace the sealing ring. Hot fault 2: screw pump mechanical seal failure reason: sealing liquid pipeline jam; Large amount of compression of the mechanical seal spring. Maintenance methods: solution is the seal piping failure; Reduce the amount of spring compression. Screw water pump failure 3: shaft power increased the cause of the problem: discharge line congestion; The screw and the pump set of serious friction; Medium viscosity is too large; Installation is not straight, moving parts are different. Maintenance methods: the solution is to stop the pump washing line; Repair or replace the parts; To medium heat, reduce the viscosity; Adjust the correct assembly and installation accuracy. Screw pump fault 4: (holding shaft Not turn) The cause of the problem: the high temperature inside the pump parts inflated; Starting torque.

maintenance methods: the solution is to pump with the hand after cooling plate movement and start; Check the drive.

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