How big is the effect of chemical pump in chemical production, how to maintain?

1, centrifugal pump plate fixed why can't start the car? Centrifugal water pump plate to be not moved the car, the interior of the pump produced a fault, the fault may be the impeller was stuck or pump shaft bending excessive, the dynamic and static parts of rust or pump, or within the pump pressure is too high. If you don't train and forced to start pump set, powerful motor drives the pump shaft power to force regulated, can cause internal damage to the parts, such as the pump shaft fracture, distortion, impeller broken, motor coil burned, also may make the trip, start to fail. 2, centrifugal pump vibration, bearing temperature standard is what? The vibration of the centrifugal pump standard is: speed is less than 1500 VPM, vibration less than 0. 09mm。 The speed of 1500 ~ 3000 VPM, vibration less than 0. 06mm。 The standard for the bearing temperature: sliding bearing is less than 65 ℃, the rolling bearing is less than 70 ℃. 3, in the lubricating oil pump and water cut have why harm? Moisture can reduce oil viscosity, reduce the intensity of oil film, reduce the lubrication effect. Water freezes below 0 ℃ to, seriously affect oil low temperature fluidity. Water can accelerate the oxidation of lubricating oil and the promotion of low molecular organic acid corrosion of metal. Water can increase the oil bubble, the lubricating oil prone to bubbles. Water will rust the metal parts. 4, lubricating oil before using triple filter to go through? Fixed between oil drums and oil pot; Lubricating oil between original barrel and fixed barrel; Between oil pot and refueling. What are the 5, pump maintenance content? Earnestly implementing post responsibility system and equipment maintenance regulations. Maintenance tools, safety equipment, fire equipment complete and in good condition, placed neatly trimmed. Equipment lubrication do & other; Five set throughout the &; 、“ Triple filter & throughout; Complete and cleaning, lubricating utensils. 6, what is the main working principle of a centrifugal pump? High-speed motor to drive the impeller rotation, causes the liquid to produce centrifugal force, due to the effect of centrifugal force, the liquid was thrown into the side of the port discharge pump, the impeller or into the next level, so that the impeller inlet pressure is reduced, and the effect of formation pressure difference, the pressure of suction fluid pressure differential role within the liquid suction pump, because of the centrifugal pump rotation, the liquid is continuously by suction or discharge. 7, lubricating oil ( Fat) What effect is there? Lubrication cooling, washing, and the roles of seal, vibration reduction, protection, unloading. 8, what is the equipment lubrication & other; Five set throughout the &; 吗? Fixed: point refueling according to regulations; Timing: in accordance with the provisions, lubrication part time to support him, and an oil change on a regular basis; Quantitative: according to the quantitative gas consumption; Qualitative: according to different models to choose different lubricating oil, and maintain the product quality qualification; Personal: each gas parts must have the specialist is responsible for. 9, common shaft seal leakage standards? Packing: light oil is less than 20 / points heavy oil is less than 10 drops/min mechanical seal: light oil is less than 10 drops/min heavy oil less than 5 drops / 10, the cause of the centrifugal pump vibration have? shaft and motor is wrong, the aging of the wheel aprons. Suction pressure is too low, the liquid or to boil. or pump with gas. Bearing or excessive sealing ring wear, formation of rotor eccentricity. Bearing and packing improper lubrication, wear too much. The rotor imbalance. Impeller partially blocked or external auxiliary piping vibration. Axial thrust, cause string axis. and foundation stiffness is insufficient, is loose. Bearing wear or damage. Lubricating oil ( Fat) Too much or too little.
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