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- Correct installation and operation
– Installation environment selection :
– The micro diaphragm pump should be installed in a dry, well-ventilated environment. Avoid installation in places with damp or corrosive gases, as wet environments may cause electrical components to be damaged by moisture, and corrosive gases may erode pump bodies, diaphragms, and other metal components. For example, do not install it near chemical storage areas or in areas where water stains often occur.
– At the same time, ensure that the installation position is stable and reduce vibration. The unevenness of the mounting surface will cause the pump to generate additional vibration during operation, which may cause internal components to loosen or damage. Damping pads or rubber foot pads can be used to reduce the impact of vibration on the pump.
– Proper pipe connection :
– When connecting the inlet and outlet pipe, ensure that the pipe and the pump interface are closely matched. Use suitable sealing materials, such as rubber seals, and check whether there is debris in the pipeline to prevent debris from entering the pump body during operation. For example, when connecting the water pipe, it is necessary to flush the pipe first to remove impurities such as sediment and iron filings.
– Avoid excessive bending or twisting of the pipe, which will increase the resistance of the liquid flow and increase the working load of the pump. According to the actual situation, the direction of the pipeline is reasonably arranged so that the liquid can smoothly enter and exit the pump body.
– Avoid idling and overload operation :
– Before starting the pump, make sure that there is enough liquid at the inlet to avoid idling. Idling causes the diaphragm and other moving parts to work without liquid lubrication and cooling, leading to increased wear on the parts. For example, when using a pump for irrigation, first put the inlet pipe into the water and then start the pump.
– Use according to the rated parameters of the pump, do not let the pump work in excess of the rated pressure, flow or head for a long time. Pressure sensors and flow controllers can be installed to monitor the working state of the pump and send an alarm when approaching the rated parameter to prevent overload operation. Overload operation will cause excessive pressure on components such as motors and diaphragms and shorten the service life.
- Regular maintenance and maintenance
– Cleaning work :
– Clean the outside and inside of the pump regularly. For the exterior, wipe the dust and dirt on the surface of the pump body with a clean wet cloth to maintain good heat dissipation. For the interior, focus on cleaning the inlet filter screen, check valve and diaphragm. The inlet filter screen can prevent impurities from entering the pump body, and should be checked and cleaned regularly (such as every week or every two weeks) according to the use of the filter screen to remove sediment, fiber and other impurities.
– Check valves and diaphragms also need regular cleaning. The check valve can be removed and washed with clean water to remove impurities from the valve port. For the diaphragm, check whether there is dirt or crystalline material attached to the surface, if so, gently wipe it clean with a soft damp cloth. It is generally appropriate to carry out internal cleaning every 3-6 months.
– Check and replace parts :
– Check the condition of the diaphragm regularly to see if there are signs of rupture, perforation or aging. If the diaphragm is found damaged, it should be replaced in time. Generally, according to the frequency of use and the nature of the conveying medium, the diaphragm is replaced every 1-2 years.
– Check seals, such as gaskets, etc. Seals may be aged, deformed or damaged after long-term use, resulting in liquid leakage. If there is a problem with the seal, replace it in time. At the same time, check the bearings and other moving parts of the motor, if there is wear or damage, it should also be repaired or replaced in time.
– Lubrication maintenance (if required) :
– For parts that need to be lubricated, such as motor bearings, lubricate regularly according to pump instructions. Use appropriate lubricants, such as lubricating oil or grease, and pay attention to control the amount of lubricant to avoid too much lubricant into the pump body, affecting the normal work of the pump. Generally 1-2 times a year can be lubricated.
- Reasonable frequency and working condition control
– Use frequency control :
– Avoid using micro-diaphragm pumps continuously for long periods of time. If the work needs to run the pump for a long time, the intermittent time can be properly arranged to allow the pump and the motor to have time to dissipate heat and rest. For example, after running continuously for 2-3 hours, pause for 15-30 minutes.
– Reasonably adjust the pump frequency according to the actual demand. If it is not an urgent or continuous liquid delivery need, the working time of the pump can be spread out to reduce the time of each run, which helps to extend the service life of the pump.
– Working condition control :
– Control the temperature, pH and other parameters of the conveying medium. If the temperature of the liquid transported is too high or too low, it will affect the material properties of the pump. For example, high-temperature liquids may deform plastic parts, and cryogenic liquids may cause certain materials to become brittle. For corrosive liquids, ensure that the pump material can withstand, or take protective measures, such as the use of corrosion-resistant diaphragm and pump body materials, or pre-treatment of the liquid to reduce its corrosion.
– When the pump working environment temperature, humidity and other conditions change, to take appropriate measures in time. For example, in cold weather, the pump should be properly insulated to prevent the liquid in the pump body and pipes from freezing.
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