High-voltage self-balancing anti-corrosive centrifugal pump operation is not the cause of the water have?

High self balancing corrosion-resistant centrifugal pump pumps and other mechanical equipment, has a certain life, if you have a good habits will be greatly extended service life; But if all of a sudden encounter in life high-pressure self-balancing anti-corrosive pump without water, don't try so hard, can according to the corresponding phenomenon probably determine what is failure. Impeller direction of rotation is wrong; There is air suction pipe without filling water; The suction pipe and the packing unit is leaking; Suction does not have enough flooded deep; Correct direction of rotation; Stop water; Reinstall, make its not leak; Ensure adequate submergence depth; Water shortage: suction piping gas, suction does not have enough submergence depth, the suction pipe and the packing seal leak, the bottom valve and inlet filter clogging, spit out disabled or wrong arrangement, lift estimate shortage, discharge pipe leak, or blockage in a water pump body, impeller sealing ring clearance is too large, the impeller damage; Exhaust downtime to infuse water, improve water level, ensure the submergence depth, reinstall the airtight, clean the bottom valve and filter, remove obstacles, correct layout, reducing the hydraulic loss of each valve and the elbow, pipe, unclog disassemble pump, pump, the clearance of restoration to the original size, replace the paper pad, pump body, replacement impeller seal leakage.

check all measuring instrument, especially the inhalation and spit out pressure gauge, whether all indicate the normal operating conditions. Such as found in the process of noise or abnormal phenomenon should immediately stop check. Pay attention to the bearing temperature does not exceed 70 ° (highest Bearing body in the central control room is equipped with temperature measuring device can be connected to reflect the temperature rise) , if the bearing overheating, should check the oil injection height of the oil, lubricating oil; Check the bearing body cooling chamber in and out of the water cooling pipe. Working 80 - After 100 hours should be at each bearing oiling, maintenance should be an oil change. ( In lubricating oil cycle mainly depends on the operating conditions and operating conditions, can decide according to the actual situation) 。

in order to achieve a satisfactory effect, packing seal must have a small amount of leakage, seepage drop shaped advisable ( The 30 drops per minute) 。 If the osmotic quantity is too large, compression packing, otherwise the relaxation degree of compaction. Note: 1. Adjusting nut alternately on each nut screw the same half or a quarter turn. Every time the adjusting nut due and certain time interval, in order to make the adjustment effect have an effect on each packing. 2. If packing seal leakage is less than the required, should readjust nut, because the packing is not enough to reduce pressure elastic density, so don't be tighten nut.

not reached the spit out of rated pressure: impeller to wrong, sealing ring wear, damage or clog impeller, pump body gasket leaks, selection error caused; To correct the steering, disassemble pump repair or remove obstacles to its original size, replacement impeller, replace the paper pad, recalculate the pump. Excessive power consumption of water pump: pump body seal leakage, leakage discharge line and high speed, damage of sealing ring wear, packing seal is too tight, the impeller, water pump parts installation is too tight, partial operation; Replace the paper pad, plug the leak, reducing speed, repair or replace the seal, readjust the packing gland nut, replacement of impeller, water pump check and adjust the clearance, adjust the operation.

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