Details slurry seal and install equipment: a necessary prerequisite is: professional slurry sealing advance check: 1, check the installation of the mechanical seal models, specifications are correct. 2, check the size of the slurry pump and mechanical seal installation site dimensions related to the accuracy and interrelationship with the technical requirements. Mainly in the following areas: (1) installation of mechanical seal parts of the shaft (or sleeve) radial runout tolerances, shaft (or sleeve) surface finish and outside diameter size tolerances. (2) seal cavity and gland positioning end face of the shaft (or sleeve) centerline vertical tolerance tolerance. (3) The end of the shaft (or sleeve) on which the moving ring seal is mounted, and the chamfer and finish of the end structure of the housing bore for the mechanical seal. (4) The axial displacement of the mechanical seal shaft when working. (5) During the installation of the mechanical seal, it should be kept clean, and the sealing element should not be knocked by the tool to prevent damage and destruction. Second, the correct operation of the installation of slurry pump: 1, installation, moving, static ring surface should be coated with a layer of clean oil and turbine oil. Auxiliary seals (including moving ring seals and static ring seals) are also to be applied with a clean layer of engine oil or turbine oil before installation to ensure smooth installation. 2, the stationary seal ring after ring stationary ring back loaded into sealing cap, not to hurt the stationary ring to be noted that the end face, the end face of the stationary ring to ensure that the end cap vertical centerline, and the anti-rotation groove attention back to the stationary ring Alignment anti-sales, but can not touch. 3, the rotating part of the mechanical seal, relying on the spring seat on the two fixed screws and the shaft fixed, tighten the screws, to ensure the working length of the spring. Slurry pump mechanical seal Third, the first start before use Note: 1, before starting the slurry pump, the mechanical seal to be attached to check the device, the cooling lubrication system is perfect and smooth. 2, before starting the material line should be cleaned to prevent rust impurities into the sealed chamber. 3, hand drive coupling, check the shaft is easy to rotate, if the drive is heavy, need to check the installation dimensions are correct. 4, the normal drive, the need for static pressure test, check the mechanical seal face, seal ring and seal at the end of the sealing effect, if there is a problem, one by one to check and solve. 5, slurry pump start, should keep the sealed chamber filled with liquid or sealed medium, if a separate sealing system should be started, the cooling water system must also begin to flow. 6, before normal use, the first atmospheric pressure operation, observe the sealed parts of the temperature rise is normal, whether the phenomenon of leakage. If there is a slight leakage, you can run together for some time, so that the face fit more evenly, until the leakage gradually reduced to normal so far. Such as running 1-3 hours, the amount of leakage is still not reduced, you need to stop inspection. 7, under normal working conditions, step-up heating can be slow, respectively, and pay attention to the end of the temperature rise and leakage, such as all normal, that can be put into production.
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