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一failure: the consumed power is too large.
二, the reason:
(1) high speed;
(2) the total head is not in conformity with the pump head;
(3) the proportion of medium in conformity with the original design;
(4) the pump shaft axis and prime mover, shaft bending;
(5) rotational part and fixed part scratches occurred;
(6) impeller clearance increases with suction cover,
(7) bearing oil too much or too dirty inside the box.
三, solution:
(1) as stipulated in the specification;
(2) try to adjust the pipeline resistance;
(3) should be reduced;
(4) correction or replacement;
(5) adjust the clearance;
(6) to adjust;
(7) as stipulated in the oil level gauge add oil or replace oil. |
