Anticorrosive pump turning knowledge, why should pump turning

Anticorrosive pump is commonly used in the chemical industry pump, have anticorrosive centrifugal pump, anticorrosive magnetic pump, slurry pump, circulating pump, etc. , pump in the suspended after a period of time, need a plate of the car before the start, why need turning, have what effect, turning what knowledge? The so-called & other; Barring & throughout; Is to point to in front of the starting motor, with human or turning gear pump turning laps, driven by a motor is used to determine the load ( Or mechanical transmission parts) If there is a binding and resistance increases, which doesn't make the motor startup damage to the motor load bigger ( The burn out) 。 Centrifugal pumps and magnetic pump is the use of a centrifugal impeller rotation and make the water has come to work. before the start, it is necessary to make the pump casing and suction tube filled with water, and then start the motor, make and water pump shaft to drive the impeller for high speed rotation, water centrifugal motion, be left to the impeller outer edge and the volute water pump shell of the water flow into the pump pressure. Due to the rotor of the centrifugal pump itself has a certain weight, under the action of gravity, the rotor has certain bending, turning 180 & deg; Rotor shaft bending direction after and before trading in the opposite direction, thus attaining the goal of automatic correction rotor. A, what is turning? Barring, mainly is the human will pump motor turning laps, to prevent the occurrence of stuck pump running or resistance increases, so that damage is avoided. : second, the plate of the pump in order to check the pump has all the normal phenomenon, such as rotating parts are stuck, blocked, parts rust debris, medium solidification, packing too tight or too loose, shaft seal leakage, bearing oil shortage, shaft bending deformation, etc. , to prevent the rotor static for a long time because of gravity deformation, and check whether the pump shaft rotation is flexible, has all the normal voice. Disc pump inspection, whether by feel the seriousness of his rotation testing even, with or without abnormal sound. For hot oil pump water pump is designed to make the pump up, down, left and right uniform heating and cooling, to check whether the pump shaft bending deformation occurs. Centrifugal pump for the transmission of high solidifying point media, in particular, if the pump is medium, the wheel with condensation in the pump shell, not blindly start turning motor when starting, can make the motor for launching load too much more than the rated current, and the motor burned. Some large unit is also to warm-up and lubrication before driving, prevent after driving, rotor and the body to produce local overheating, lead to the thermal deformation. 1, just stop unit ( If is a normal parking) , is to prevent thermal deformation. General is to plate to cool for a short period of time. 2, long-term service units to turning on a regular basis to prevent shaft bending deformation or because of its large medium viscosity causes conveyor equipment pump rotor unsmooth, turning 540 degrees per time. Three, turning pump and the steps of: 1, manual turning (1) equipment before the start of turning: use F type barring wrench, barring the coupling position in equipment, generally not less than one and a half circle, and then you can start to drive. (2) the backup device turning on a regular basis: because of some equipment flow of medium containing high viscosity or containing dust, will cause the equipment of rotor with viscous and jam phenomenon, so you need to turning on a regular basis. , of course, especially for long-term parking shaft longer equipment in order to prevent the shaft bending must be carried out regularly turning, each plate circle number for an odd number of times of 180 degrees to calibration shaft bending. 2, electric car plate of turning gear worm gear and worm and gear deceleration will be turning the rotation of the motor output into the rotation of the crank shaft, so as to realize the plate of the car. Want in not before driving, barring push the small piston to the back-end limit position, turning the handle to unlock, turning the handle to set the foreign hood must be pulled pull to turning position, after turning the handle at this time the rotation of the driving pinion along the axial sliding to the limit position, making it and the big gear mesh, start turning machine, turning can be realized; At this time, due to the effect on pressure oil pressure regulating controller and handle cases of discharge port are interlinked, open to ensure contact pressure regulating controller, main motor can't start. Turning gear can be positive and negative two car steering wheel, as long as the manipulation of the handle to position the turning marks can be realized. But must pay attention to, both turning and driving, in advance to start the oil pump motor.
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