The adjustment of the flue gas desulfurization denitration pump impeller and shaft seal maintenance

Regulation of flue gas desulfurization denitration pump impeller:

in order to guarantee the efficient operation of the desulfurization denitration pump, we must adjust the impeller with former guard plate gap, adjust the impeller clearance when the pump stop, loosen bolts pressure bearing box and loosen adjusting nut and bearing components to move forward, at the same time turn the shaft by hand according to the rotation direction of water pump rotation, until the impeller and guard plate of friction, reoccupy adjustment bolt to make the rotor backwards, write down the movement before and after clearance, evenly distributed between the impeller front and rear guard board, reached between impeller and guard plate, plate after before clearance equal and dispatch two dust-proof plate tightly, fastening on the shaft. Must check it before starting again after adjustment of the impeller rotation is normal, the bearing components hold-down bolts are tight, then start pump.

flue gas desulfurization denitration pump bearing lubrication:

bearing component, when it is assembled with correct assembly, oil amount, timely maintenance, transportation will be a long service life, maintenance personnel should be regularly maintenance bearing components, check the status of bearings and lubricating oil, in the operation must be add or replace lubricating oil regularly, time interval and the injection volume and the pump rotation speed, bearing specifications, work time, pump stop opening times in a row, the surrounding environment and the operation temperature and so on many factors, so must gradually accumulate experience, reasonable and timely add lubricating oil.

the maintenance of flue gas desulfurization denitration pump shaft seal:

packing gland seal pump seal water pressure and water regularly detection, to always maintain a small amount of clean water along the shaft glides on and regular packing gland, check the stuffing and regular replacement of packing, shaft seal water pressure, shaft seal water shall comply with the above ( Shaft seal check) Requirements.

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