Industrial production of corrosion-resistant chemical pump how should maintain?

Corrosion resistant chemical pump is used for conveying fluid and improve the pressure of fluid machinery and equipment. Centrifugal pump (including: The common centrifugal pump, axial flow pump, shielding centrifugal pump, magnetic centrifugal pump, etc. ) And the positive displacement pump ( Gear pump, screw pump plunger pump, vane pump, reciprocating pump, etc. ) And other special pump ( Metal plastic or rubber lining material pump) 。 Commonly used in industrial production corrosion resistant chemical water pump must meet the special requirements of the following:

(1) must meet the demand of chemical production process; (2) able to withstand high temperature and low temperature environment; (3) corrosion resistance; (4) the wear resistance; 5. No leakage or less leakage; 6 can be critical state of liquid. All landowners reliable operation. In order to meet the requirements of the technical requirements above, by adjusting the pump body materials or modified chemical water pump mechanical structure to improve to enhance the overall mechanical properties of the chemical pump, corrosion-resistant chemical pump is the key to the production of normal operation, so the maintenance of the chemical pump and technological transformation is very important in industrial production, to ensure the service life of the chemical pump, the working efficiency, ensure the smooth progress of the industrial production.

industrial production of anti-corrosion chemical pump maintenance

1. 1 corrosion-resistant chemical pump maintenance problems in the process of production

1) Lubrication. In the process of chemical pump daily work of operation, for various reasons could cause industrial medium or other substances, enter the tank inside, the chemical pump can't work normally. So I need with the naked eye observation and sampling analysis regularly checks on the quality of lubricant and oil level. Never use the chemical pump after put into use, should according to the rules or for chemical pump oil change every week, in addition to this, after overhaul of chemical pump is the same. The reason for this is that the new pump in the process of work, due to the new bearing and shaft foreign bodies in the running-in process, and then into the oil. So often to an oil change. Chemical pump out period should also be after oil change regularly, and make sure the chemical pump lubricating grease used in accordance with the requirements of the quality.

        ( 2) Bearing temperature. Chemical pump internal bearing, if in the course of work, heat up too fast. Could be bearing quality or the installation process has a problem, or is the lubrication grease expired or not caused by the change in time, line troubleshooting should be according to the actual situation, in order to prevent depletion of bearing.

        ( 3) Corrosion resistant chemical pump unit. Chemical pump during normal operation, the sound, should be timely find out the reason, to determine whether the sound is normal, and in a timely manner to eliminate. The reason mainly has several kinds of fluid flow in the first place is the lack of, cause chemical pump cavitation occurs, a sound. Perhaps WoQi pump inlet pipeline, water impact sound. Mechanical aspects mainly bearing quality or installation does not conform to the rules. Possibly chemical pump internal clearance is the cause of deviation, caused friction sound. Also, foreign bodies, or internally, chemical pump parts or abrasion damage to drop, the ring, should be on a screen.

        ( 4) Effect of the chemical pump seal. Shaft seal in the chemical pump is mainly used to guarantee the sealing of the chemical pump at the same time to ensure the pump not leak air in. Because the use of the chemical pump and conveying material, for corrosive, or radioactive hazard substances. If shaft sealing effect is not good, cause inside the pump leaking fluid material, it may affect the environment or energy or waste. So, an important role in chemical pump seal of the shaft sealing system. In order to meet the requirements, you need to in the pump shaft seal. Chemical pump shaft seal type many, the most commonly used with packing seal and mechanical seal. Packing, and chemical pump mechanical seal, should guarantee on the basis of the preventive maintenance, ensure timely maintenance of mechanical seal of maintenance:

before the pump start-up, to open the cooling fluid and rinses the valve in the pipeline to ensure there is enough amount of coolant and flushing fluid supply mechanical seal, run, often should check the cooling fluid and rinses or break fluid phenomenon, prevent damage to the mechanical seal broken hydraulic components. Mechanical seal dripping does not exceed 2 drops per minute. Packing seal of maintenance: before the pump start-up, packing gland nut loosen some appropriate; After being pump running stability, then slowly to tighten the nut, leakage control. Small amounts of harmless liquid leakage is necessary, it lubricates the packing, the packing from burn out. Shaft seal leakage, leakage 5 ~ 10 drops per minute license.

 

        1. 2 production parking with corrosion resistant chemical pump maintenance

standby pump, pump is to ensure that the production problems or temporarily unable to repair, can be replaced rapidly turnkey production continuity. This will ensure that the standby pump should be daily regular maintenance or overhaul, ensure the normal use in the time. Here in particular is the process of the switch or chain chemical pump, shall ensure that the valve is open at ordinary times, inside the pump delivery is full of material, so that, when switching to guarantee the normal work of the chemical pump.

standby pump maintenance, should be regularly check the pump in the lubricating oil. The pump body and pump medium for heat insulation of the heating insulation. At the same time should also be timely to turning of pump body, do this purpose is to ensure that, within the pump rotor is not bent phenomenon, also or do not use for a long time, compressive, shaft and bearing.

for chemical pump is not often use, should be timely to pump fluid within the export, avoid the winter cold damage. If the condition allows, but to remove the scrub of pump body, and the grease. At the same time ensure long-term stagnation, when using regularly carries on the plate of the car.

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